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annotate src/compass_ops.asm @ 275:653a3ab08062

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rename into hwOS
author heinrichsweikamp
date Thu, 07 May 2015 13:11:14 +0200
parents 9dbdb060d44c
children 7d9edd3b8c86
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rev   line source
275
653a3ab08062 rename into hwOS
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1 #include "hwos.inc"
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2 #include "i2c.inc"
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3 #include "tft_outputs.inc"
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4 #include "isr.inc"
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5 #include "tft.inc"
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6 #include "strings.inc"
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7 #include "wait.inc" ; speed_*
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8 #include "surfmode.inc"
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9 #include "divemode.inc"
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10 #include "math.inc"
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11 #include "convert.inc"
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12
0
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13
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14 ; Make sure symbols from the .inc are available to the C code:
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15 ; Filtered data
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16 global compass_DX_f, compass_DY_f, compass_DZ_f
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17 global accel_DX_f, accel_DY_f, accel_DZ_f
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18
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19 ; Calibration data
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20 global compass_CX_f
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21 global compass_CY_f
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22 global compass_CZ_f
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23
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24 ; Tmp values to pass Q15 arithmetics around
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25 global compass_a
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26 global compass_b
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27
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28 ; Result
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29 global compass_heading; , compass_roll, compass_pitch
0
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30
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31 extern compass
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32 extern compass_reset_calibration
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33 extern compass_add_calibration
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34 extern compass_solve_calibration
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35
0
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36 compass code
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37 ;-----------------------------------------------------------------------------
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38 ; Filter compass values
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39 ;
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40 ; Apply linear filtering to input parameters.
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41
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42 ; Apply filtering formula:
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43 ; reg_f += (reg - reg_f) / 4
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44 FILTER16 MACRO reg, reg_f
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45 movf reg_f+0,W
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46 subwf reg+0,W
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47 movwf PRODL
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48 movf reg_f+1,W
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49 subwfb reg+1,W
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50 rcall filter_16_common
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51 addwf reg_f+0,F
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52 movf PRODH,W
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53 addwfc reg_f+1,F
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54 ENDM
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55
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56 filter_16_common:
0
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57 movwf PRODH
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58
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59 bcf STATUS,C ; Copy sign bit into carry
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60 btfsc PRODH,7
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61 bsf STATUS,C
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62 rrcf PRODH,F ; 16bit shift right
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63 rrcf PRODL,F
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64
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65 bcf STATUS,C ; Copy sign bit into carry
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66 btfsc PRODH,7
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67 bsf STATUS,C
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68 rrcf PRODH,F ; 16bit shift right
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69 rrcf PRODL,W
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70 return
0
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71
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72 global compass_filter
0
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73 compass_filter:
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74 banksel compass_DX
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75
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76 FILTER16 compass_DX, compass_DX_f
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77 FILTER16 compass_DY, compass_DY_f
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78 FILTER16 compass_DZ, compass_DZ_f
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79 FILTER16 accel_DX, accel_DX_f
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80 FILTER16 accel_DY, accel_DY_f
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81 FILTER16 accel_DZ, accel_DZ_f
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82 banksel common
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83 return
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84
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85 ;-----------------------------------------------------------------------------
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86
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87 compass_filter_init:
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88 movff compass_DX+0, compass_DX_f+0
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89 movff compass_DX+1, compass_DX_f+1
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90 movff compass_DY+0, compass_DY_f+0
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91 movff compass_DY+1, compass_DY_f+1
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92 movff compass_DZ+0, compass_DZ_f+0
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93 movff compass_DZ+1, compass_DZ_f+1
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94 movff accel_DX+0, accel_DX_f+0
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95 movff accel_DX+1, accel_DX_f+1
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96 movff accel_DY+0, accel_DY_f+0
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97 movff accel_DY+1, accel_DY_f+1
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98 movff accel_DZ+0, accel_DZ_f+0
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99 movff accel_DZ+1, accel_DZ_f+1
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100 return
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101
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102 ;-----------------------------------------------------------------------------
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103 ; Q15 fractional numbers: a * b / 2**16 (UNSIGNED)
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104 ;
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105 ; Uses 16x16->16 multiply, for positiv integers, keeping only the most
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106 ; revelant bits.
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107 ;
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108 ; Used to multiply two Q15 numbers, in the range 0..1,
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109 ; represented as 0..32767, that is a / 2**15.
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110 ;
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111 ; (a/2**15) * (b/2**15) = a*b / 2**30 = (a*b/2**16) / 2**14.
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112 ; So to get back a Q15 number, we need a shift-left...
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113 global compass_umul
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114 compass_umul:
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115 rcall compass_mul_16
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116
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117 ; The 2x time, by left-shifting inserting the missing bit:
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118 compass_mul_2:
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119 rlcf compass_r+2,F ; Missing bit into carry
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120 rlcf compass_r+0,F
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121 rlcf compass_r+1,F
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122 movff compass_r+0,PRODL ; return value into ProdH:L
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123 movff compass_r+1,PRODH
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124 return
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125
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126 ; The 16x16-> multiply:
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127 compass_mul_16:
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128 banksel compass_a
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129
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130 movf compass_a+1,W ; Block ah*bh
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131 mulwf compass_b+1
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132 movff PRODL,compass_r+0 ; and copy
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133 movff PRODH,compass_r+1
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134
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135 movf compass_a+0,W ; Block al*bl
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136 mulwf compass_b+0
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137 movff PRODH,compass_r+2 ; Into fraction byte
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138
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139 movf compass_a+1,W ; Block ah*bl
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140 mulwf compass_b+0
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141 movf PRODL,W
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142 addwf compass_r+2,F ; Fraction part to carry.
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143 movf PRODH,W ; and add16
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144 addwfc compass_r+0,F
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145 movlw 0
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146 addwfc compass_r+1,F
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147
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148 movf compass_a+0,W ; Block al*bh
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149 mulwf compass_b+1
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150 movf PRODL,W
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151 addwf compass_r+2,F ; Fraction part to carry.
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152 movf PRODH,W ; and add16
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153 addwfc compass_r+0,F
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154 movlw 0
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155 addwfc compass_r+1,F
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156
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157 return
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158
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159 ;-----------------------------------------------------------------------------
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160 ; Q15 fractional numbers: a * b / 2**16 (SIGNED)
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161
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162 global compass_imul
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163 compass_imul:
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164 rcall compass_mul_16
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165
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166 btfss compass_b+1,7
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167 bra compass_mul_3
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168
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169 movf compass_a+0,W
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170 subwf compass_r+0,F
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171 movf compass_a+1,W
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172 subwfb compass_r+1,F
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173
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174 compass_mul_3:
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175 btfss compass_a+1,7
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176 bra compass_mul_4
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177
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178 movf compass_b+0,W
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179 subwf compass_r+0,F
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180 movf compass_b+1,W
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181 subwfb compass_r+1,F
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182
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183 compass_mul_4:
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184 bcf compass_r+1,6 ; Copy bit 7 to 6, so keep it after 2x
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185 btfsc compass_r+1,7
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186 bsf compass_r+1,6
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187 bra compass_mul_2
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188
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189 global compass_calibration_loop
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190 compass_calibration_loop: ; Compass calibration
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191 bsf no_sensor_int ; No Sensor ISR
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192 call I2C_sleep_accelerometer ; Stop accelerometer
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193 call I2C_sleep_compass ; Stop compass
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194 call TFT_ClearScreen
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195 ; Mask
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196 WIN_COLOR color_greenish
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197 WIN_SMALL .16,.0
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198 STRCPY_TEXT_PRINT tCompassMenu
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199 btfss switch_right2 ; wait until button is released
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200 bra $-4
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201
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202 call TFT_standard_color
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203 ; WIN_SMALL .0,.215
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204 ; STRCPY_TEXT_PRINT tExit
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205 WAITMS d'255'
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206 WAITMS d'255'
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207 movlw .7 ; Gain init
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208 movff WREG,opt_compass_gain
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209 compass_calibration_gainset: ; Reduce the gain, set bank here!
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210 banksel opt_compass_gain
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211 decf opt_compass_gain,F ; Reduce by one
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212 btfsc STATUS,N ; <0?
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213 clrf opt_compass_gain ; Yes, keep at zero
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214
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215 banksel common
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216 call I2C_init_accelerometer
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217 call I2C_init_compass_fast
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218 rcall TFT_compass_show_gain ; Show the current compass gain
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219
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220 WAITMS d'100'
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221
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222 clrf timeout_counter2
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223 clrf timeout_counter3
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224
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225 call speed_fastest
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226 call I2C_RX_compass ; read compass
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227 call I2C_RX_accelerometer ; read Accelerometer
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228
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229 ; Test all axes for +4096 (Hi byte=16)
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230 banksel compass_DX+1
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231 movlw .16
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232 cpfseq compass_DX+1
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233 bra $+4
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234 bra compass_calibration_gainset
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235 cpfseq compass_DY+1
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236 bra $+4
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237 bra compass_calibration_gainset
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238 cpfseq compass_DZ+1
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239 bra $+4
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240 bra compass_calibration_gainset
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241
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242 ; Test all axes for -4096 (Hi byte=240)
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243 movlw .240
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244 cpfseq compass_DX+1
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245 bra $+4
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246 bra compass_calibration_gainset
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247 cpfseq compass_DY+1
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248 bra $+4
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249 bra compass_calibration_gainset
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250 cpfseq compass_DZ+1
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251 bra $+4
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252 bra compass_calibration_gainset
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253 banksel common
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254
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255 rcall compass_filter_init ; set DX_f values
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256 call compass_reset_calibration ; Reset CX_f values
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257 banksel common
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258
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259 compass_calibration_loop2:
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260 call I2C_RX_compass ; read compass
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261 call I2C_RX_accelerometer ; Test Accelerometer
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262 rcall compass_filter ; Filter compass raw data
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263 banksel common
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264
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265 ; Twice
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266 call I2C_RX_compass ; read compass
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267 call I2C_RX_accelerometer ; Test Accelerometer
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268 rcall compass_filter ; Filter compass raw data
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269 banksel common
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270
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271 ; Test all axes for +4096 (Hi byte=16)
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272 banksel compass_DX+1
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273 movlw .16
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274 cpfseq compass_DX+1
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275 bra $+4
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276 bra compass_calibration_gainset
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277 cpfseq compass_DY+1
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278 bra $+4
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279 bra compass_calibration_gainset
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280 cpfseq compass_DZ+1
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281 bra $+4
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282 bra compass_calibration_gainset
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283
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284 ; Test all axes for -4096 (Hi byte=240)
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285 movlw .240
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286 cpfseq compass_DX+1
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287 bra $+4
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288 bra compass_calibration_gainset
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289 cpfseq compass_DY+1
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290 bra $+4
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291 bra compass_calibration_gainset
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292 cpfseq compass_DZ+1
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293 bra $+4
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294 bra compass_calibration_gainset
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295 banksel common
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296 ;
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297 ; ; Three
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298 ; call I2C_RX_compass ; read compass
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299 ; call I2C_RX_accelerometer ; Test Accelerometer
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300 ; call compass_filter ; Filter compass raw data
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301 ; banksel common
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302 ;
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303 ; ; Four times to get cleaner values
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304 ; call I2C_RX_compass ; read compass
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305 ; call I2C_RX_accelerometer ; Test Accelerometer
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306 ; call compass_filter ; Filter compass raw data
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307
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308 ; And register only one value out of four:
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309 call compass_add_calibration ; check and store new max/min values
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310 banksel common
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311
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312 call TFT_compass_fast ; show values
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313
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314 btfsc sleepmode ; Sleepmode active?
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315 bra compass_calibration_exit ; Yes, exit
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316
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317 ; btfsc switch_left ; Button pressed?
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318 ; bra compass_calibration_exit ; Yes, exit
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319
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320 btfss onesecupdate ; do every second tasks?
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321 bra compass_calibration_loop2 ; no, loop here
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322
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323 movlw .60
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324 call timeout_testmode ; check timeout
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325 movlw .60
256
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326 rcall TFT_show_timeout_testmode ; Show the timeout
147
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327
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328 bcf onesecupdate ; clear flag
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329
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330 bra compass_calibration_loop2 ; loop here
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331
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332 compass_calibration_exit:
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333 call compass_solve_calibration
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334 banksel common
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335 extern option_save_all
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336 call option_save_all ; save all settings into EEPROM
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337 bcf sleepmode ; Clear the flag before exiting to surfacemode
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338 movlw .6
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339 movwf customview_surfmode ; Set to compass view...
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340 goto surfloop ; ...and exit
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341
256
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342 global TFT_compass_fast
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343 TFT_compass_fast:
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344 WIN_TINY .20,.50
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345 STRCPY "X:"
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346 movff compass_DX+0,lo
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347 movff compass_DX+1,hi
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348 call TFT_convert_signed_16bit ; converts lo:hi into signed-short and adds '-' to POSTINC2 if required
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349 output_16
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350 STRCAT " Y:"
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351 movff compass_DY+0,lo
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352 movff compass_DY+1,hi
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353 call TFT_convert_signed_16bit ; converts lo:hi into signed-short and adds '-' to POSTINC2 if required
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354 output_16
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355 STRCAT " Z:"
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356 movff compass_DZ+0,lo
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357 movff compass_DZ+1,hi
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358 call TFT_convert_signed_16bit ; converts lo:hi into signed-short and adds '-' to POSTINC2 if required
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359 output_16
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360 STRCAT_PRINT " "
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361 return
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362
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363 TFT_show_timeout_testmode: ; With timeout in WREG...
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364 movwf hi
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365 WIN_TINY .20,.68
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366 STRCPY "T:"
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367 movf timeout_counter2,W ; current timeout
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368 subwf hi,W ; subtract from timeout value
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369 addlw .1 ; +1
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370 movwf lo
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371 bsf leftbind
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372 output_8 ; Display timeout
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373 bcf leftbind
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374 STRCAT_PRINT "s "
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375 return
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376
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377
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378 TFT_compass_show_gain: ; Show the current compass gain
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379 movff opt_compass_gain,lo ; 0-7 (230LSB/Gauss to 1370LSB/Gaus)
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380 tstfsz lo
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381 return ; Do not show unless gain=0
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382 WIN_TINY .20,.86
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383 STRCPY_TEXT tCompassGain
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384 movff opt_compass_gain,lo ; 0-7 (230LSB/Gauss to 1370LSB/Gaus)
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385 bsf leftbind
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386 output_8
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387 bcf leftbind
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388 STRCAT_PRINT "!"
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389 return
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390
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391 global TFT_surface_compass_mask
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392 TFT_surface_compass_mask:
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393 WIN_SMALL surf_compass_mask_column,surf_compass_mask_row
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394 call TFT_standard_color
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395 STRCPY_TEXT_PRINT tHeading ; Heading:
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396 return
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397
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398 global TFT_dive_compass_mask
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399 TFT_dive_compass_mask:
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400 WIN_FRAME_STD dive_compass_graph_row, dive_compass_graph_row+dive_compass_graph_height, .0, .159
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401 return
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402
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403 global TFT_surface_compass_heading
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404 TFT_surface_compass_heading:
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405 rcall compass_heading_common
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406 WIN_STD surf_compass_head_column,surf_compass_head_row
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407 call TFT_standard_color
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408 TFT_surface_compass_heading_com: ; Show "000° N"
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409 movff compass_heading+0,lo
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410 movff compass_heading+1,hi
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411 call TFT_convert_signed_16bit ; converts lo:hi into signed-short and adds '-' to POSTINC2 if required
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412
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413 ; Shown and actual identical?
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414 movff compass_heading_shown+0,WREG
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415 cpfseq lo
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416 bra TFT_surface_compass_heading_com1 ; Not equal
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417 movff compass_heading_shown+1,WREG
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418 cpfseq hi
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419 bra TFT_surface_compass_heading_com1 ; Not equal
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420 bra TFT_surface_compass_heading_com3 ; equal, skip smoothing
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421
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422 TFT_surface_compass_heading_com1:
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423 movff lo,sub_a+0
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424 movff hi,sub_a+1
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425 movff compass_heading_shown+0,sub_b+0
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426 movff compass_heading_shown+1,sub_b+1
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427 call subU16
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428 btfsc neg_flag
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429 bra TFT_surface_compass_heading_com2 ; shown > actual
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430 ; shown < actual
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diff changeset
431 banksel compass_heading_shown
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
432 infsnz compass_heading_shown+0,F
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
433 incf compass_heading_shown+1,F ; +1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
434 bra TFT_surface_compass_heading_com3
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
435
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
436 TFT_surface_compass_heading_com2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
437 banksel compass_heading_shown
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
438 movlw d'1'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
439 subwf compass_heading_shown+0,F
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
440 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
441 subwfb compass_heading_shown+1,F ; -1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
442
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
443 TFT_surface_compass_heading_com3:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
444 banksel common
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
445 movff compass_heading_shown+0,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
446 movff compass_heading_shown+1,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
447 bsf leftbind
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
448 output_16dp .2 ; Result is "0.000"
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
449 bcf leftbind
5b4ef0b9090d place compass display code into compass_ops.asm
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diff changeset
450 ; rearrange figures to "000"
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
451 movff buffer+2,buffer+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
452 movff buffer+3,buffer+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
453 movff buffer+4,buffer+2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
454 lfsr FSR2,buffer+3
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
455 STRCAT "° "
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
456 rcall tft_compass_cardinal ; Add cardinal and ordinal to POSTINC2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
457 clrf WREG
5b4ef0b9090d place compass display code into compass_ops.asm
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diff changeset
458 movff WREG,buffer+.7 ; limit to 7 chars
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
459 STRCAT_PRINT ""
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
460 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
461
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
462 global TFT_dive_compass_heading
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
463 TFT_dive_compass_heading:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
464 rcall compass_heading_common
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
465 ; ; ToDo - these are for development only, hardcoding the bearing position
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
466 ; ; 244° : SW - W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
467 ; movlw low(d'244')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
468 ; movff WREG,compass_bearing+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
469 ; movlw high(d'244')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
470 ; movff WREG,compass_bearing+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
471
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
472 movff compass_heading_shown+0,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
473 movff compass_heading_shown+1,xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
474 ; xRD and xRDlft
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
475 ; 1. 160° viewing angle: +360 offset if xA<=292; for non-negative scale
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
476 movlw high(d'292')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
477 movff WREG,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
478 movlw low(d'292')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
479 movff WREG,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
480 movff xA+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
481 movff xA+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
482 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
483 btfsc neg_flag ; xA>292
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
484 bra TFT_dive_compass_heading_1 ;yes
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
485 ; no, xA<=292
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
486 movlw high(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
487 addwf xA+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
488 movlw low(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
489 addwf xA+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
490 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
491 incf xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
492 TFT_dive_compass_heading_1:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
493 ; 2. -80: left pixel offset from the center
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
494 movlw low( d'80' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
495 subwf xA+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
496 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
497 decf xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
498 ; 3. save it to xRD
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
499 movff xA+0,xRD+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
500 movff xA+1,xRD+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
501 ; 4. add 160 (display px width)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
502 movlw high(d'160')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
503 addwf xA+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
504 movlw low(d'160')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
505 addwf xA+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
506 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
507 incf xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
508 ; 5. save it to xRDr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
509 movff xA+0,xRDr+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
510 movff xA+1,xRDr+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
511
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
512 ; ; Bearing ?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
513 ; ; We can skip this xRD180 calculation if no bearing is set
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
514 ; bcf compass_bearing_set
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
515 ; movff compass_bearing+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
516 ; movff compass_bearing+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
517 ; movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
518 ; cpfseq sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
519 ; bra TFT_dive_compass_bearing ; something set, calculate xRD180
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
520 ; movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
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diff changeset
521 ; cpfseq sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
522 ; bra TFT_dive_compass_bearing ; something set, calculate xRD180
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
523 ; bra TFT_dive_compass_ruler ; no value in the bearing, skip calc
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
524 ;
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
525 ;TFT_dive_compass_bearing:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
526 ; bsf compass_bearing_set
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
527
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
528 btfss compass_bearing_set
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
529 bra TFT_dive_compass_ruler ; no value in the bearing, skip calc
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
530
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
531 ; we have bearing set, we will need xRD180 calculated
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
532 ; xRD180 is xRDr-180
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
533 movff xRDr+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
534 movff xRDr+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
535 movlw high(d'180')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
536 movff WREG,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
537 movlw low(d'180')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
538 movff WREG,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
539 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
540 movff sub_c+1,xRD180+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
541 movff sub_c+0,xRD180+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
542
258
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
543 TFT_dive_compass_bearing_1:
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
544 ; calculate bearing position and visibility (ahead or behind)
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
545 bcf compass_bearing_vis ; default is not-visibly
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
546 bcf compass_bearing_ahd ; default is behind
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
547 ; get the bearing virtual display offset, store it to divA
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
548 movff compass_bearing+0,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
549 movff compass_bearing+1,xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
550 movlw high(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
551 addwf xA+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
552 movlw low(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
553 addwf xA+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
554 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
555 incf xA+1
258
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
556 ; save it to reuse for upper/lower turns and ahead/behind checks
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
557 movff xA+1,divA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
558 movff xA+0,divA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
559
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
560 ; check if it's ahead
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
561 ; load the bearing offset into sub_a
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
562 movff divA+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
563 movff divA+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
564 ; load the display offset back to sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
565 movff xRD+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
566 movff xRD+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
567 rcall TFT_dive_compass_bearing_ap
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
568 ;test if we found it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
569 btfsc compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
570 bra TFT_dive_compass_bearing_dir
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
571
258
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
572 ; check if it's ahead with an upper turn
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
573 ; load the bearing offset into sub_a
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
574 movff divA+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
575 movff divA+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
576 ; load the display offset back to sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
577 movff xRD+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
578 movff xRD+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
579 movlw high(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
580 addwf sub_b+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
581 movlw low(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
582 addwf sub_b+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
583 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
584 incf sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
585 rcall TFT_dive_compass_bearing_ap
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
586 ;test if we found it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
587 btfsc compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
588 bra TFT_dive_compass_bearing_dir
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
589
258
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
590 ; check if it's ahead with a lower turn
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
591 ; load the bearing offset into sub_a
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
592 movff divA+1,sub_a+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
593 movff divA+0,sub_a+0
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
594 movlw high(d'360')
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
595 addwf sub_a+1,1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
596 movlw low(d'360')
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
597 addwf sub_a+0,1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
598 btfsc STATUS,C
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
599 incf sub_a+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
600 ; load the display offset back to sub_b
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
601 movff xRD+0,sub_b+0
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
602 movff xRD+1,sub_b+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
603 rcall TFT_dive_compass_bearing_ap
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
604 ;test if we found it
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
605 btfsc compass_bearing_vis
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
606 bra TFT_dive_compass_bearing_dir
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
607
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
608 ; marker is not ahead of us, check if it's behind us
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
609 ; use the (160 - (xRD180 - xCM)) formula to see if it's on the display
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
610 ; load the display offset back to sub_a
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
611 movff xRD180+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
612 movff xRD180+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
613 ; load the marker's offset into sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
614 movff divA+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
615 movff divA+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
616 rcall TFT_dive_compass_bearing_bp
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
617 ;test if we found it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
618 btfsc compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
619 bra TFT_dive_compass_bearing_dir
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
620
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
621 ;check if it's behind with the lower turn
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
622 movff xRD180+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
623 movff xRD180+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
624 movlw high(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
625 addwf sub_a+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
626 movlw low(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
627 addwf sub_a+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
628 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
629 incf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
630 ; load the marker's offset into sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
631 movff divA+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
632 movff divA+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
633 rcall TFT_dive_compass_bearing_bp
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
634 ;test if we found it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
635 btfsc compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
636 bra TFT_dive_compass_bearing_dir
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
637
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
638 ; check if it's behind with the upper turn
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
639 movff divA+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
640 movff divA+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
641 movlw high(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
642 addwf sub_b+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
643 movlw low(d'360')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
644 addwf sub_b+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
645 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
646 incf sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
647 rcall TFT_dive_compass_bearing_bp
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
648 bra TFT_dive_compass_bearing_dir
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
649
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
650 TFT_dive_compass_bearing_ap:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
651 ; xCM received in sub_a
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
652 ; xRD received in sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
653 ; 1/a. check if it's viewable from the left side
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
654 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
655 btfsc neg_flag ; xRD>divA
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
656 return ;no,
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
657 ; yes, store the RO=RP-RD for drawing
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
658 movff sub_c+0,xC+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
659 movff sub_c+1,xC+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
660 ; 1/b. check if it's viewable from the right side?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
661 movlw d'2' ; avoid thin mess on the side of the display
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
662 addwf sub_a+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
663 btfsc STATUS, C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
664 incf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
665 ; load the display offset right side into sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
666 movlw high(d'160')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
667 addwf sub_b+1,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
668 movlw low(d'160')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
669 addwf sub_b+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
670 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
671 incf sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
672 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
673 btfss neg_flag ; xRDr>xA(+2)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
674 return ; no,
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
675 ; print the bearing lines on the screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
676 movff xC+0,xCM
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
677 bsf compass_bearing_vis ; set visible
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
678 bsf compass_bearing_ahd ; set ahead
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
679 return ; done,
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
680
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
681 TFT_dive_compass_bearing_bp:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
682 ; use the (160 - (xRD180 - xCM)) formula to see if it's on the display
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
683 ; the marker's offset received in sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
684 ; the xRD180 display offset received in sub_a
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
685 ; xRD180 - xCM
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
686 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
687 btfsc neg_flag ; CM>xRD180
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
688 return ; no, not on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
689 ; 160 - (X)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
690 movlw high(d'160')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
691 movff WREG,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
692 movlw low(d'160')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
693 movff WREG,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
694 movff sub_c+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
695 movff sub_c+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
696 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
697 btfsc neg_flag ; X>160
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
698 return ; no, not on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
699 ; check if not overflow - this sounds a double check...
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
700 movlw d'1'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
701 cpfslt sub_c+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
702 return ; high set, >160
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
703 movlw d'160'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
704 cpfslt sub_c+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
705 return ; low >160
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
706 ; print the bearing lines on the screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
707 movff sub_c+0,xCM
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
708 bsf compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
709 return ; done
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
710
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
711 TFT_dive_compass_bearing_dir:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
712 ; check if bearing to heading, and calculate the direction
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
713 bcf compass_bearing_eq
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
714 btfss compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
715 bra TFT_dive_compass_bearing_lr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
716 btfss compass_bearing_ahd
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
717 bra TFT_dive_compass_bearing_lr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
718 movff xCM,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
719 movlw d'80'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
720 cpfseq xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
721 bra TFT_dive_compass_bearing_lr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
722 bsf compass_bearing_eq
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
723 bra TFT_dive_compass_ruler ; bearing points to heading, no signs are required, go to the ruler
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
724
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
725 TFT_dive_compass_bearing_lr:
258
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
726 ; get the bearing virtual display offset
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
727 movff compass_bearing+0,xA+0
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
728 movff compass_bearing+1,xA+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
729 ; divA =IF (U10>292;U10;U10+360)
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
730 movlw high(d'292')
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
731 movff WREG,sub_a+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
732 movlw low(d'292')
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
733 movff WREG,sub_a+0
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
734 movff xA+1,sub_b+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
735 movff xA+0,sub_b+0
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
736 call subU16 ; sub_c = sub_a - sub_b
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
737 btfsc neg_flag ; xA>292
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
738 bra TFT_dive_compass_bearing_lr_1 ;yes
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
739 ; no, xA<=292
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
740 movlw high(d'360')
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
741 addwf xA+1,1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
742 movlw low(d'360')
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
743 addwf xA+0,1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
744 btfsc STATUS,C
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
745 incf xA+1
da9074180bff patch for bearing issue
heinrichsweikamp
parents: 257
diff changeset
746 TFT_dive_compass_bearing_lr_1:
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
747 ; 1. calculate whether bearing is to left or to right
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
748 bsf compass_bearing_lft ; to the left by default
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
749 ; xC: save center value to compare the direction to front value
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
750 movff xA+1,xC+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
751 movff xA+0,xC+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
752 ; xB: we need the left side for comparism... left = -180
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
753 movff xA+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
754 movff xA+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
755 movlw high(d'180')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
756 movff WREG,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
757 movlw low(d'180')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
758 movff WREG,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
759 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
760 movff sub_c+1,xB+1 ; xB has the left side of the 180° distance center
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
761 movff sub_c+0,xB+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
762 ; xA = IF(xRD>(xC+100);xRD-280;xRD+80)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
763 movff xC+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
764 movff xC+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
765 movlw d'100'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
766 addwf sub_a+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
767 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
768 incf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
769 movff xRD+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
770 movff xRD+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
771 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
772 btfsc neg_flag ; xRD>xC+100
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
773 bra TFT_dive_compass_bearing_lr_2 ; yes, xA=xRD-280
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
774 ; no, xA = xRD+80
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
775 movff xRD+1,xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
776 movff xRD+0,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
777 movlw d'80'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
778 addwf xA+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
779 btfsc STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
780 incf xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
781 bra TFT_dive_compass_bearing_lr_c
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
782
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
783 TFT_dive_compass_bearing_lr_2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
784 ; xA=xRD-280
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
785 movff xRD+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
786 movff xRD+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
787 movlw high(d'280')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
788 movff WREG,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
789 movlw low(d'280')
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
790 movff WREG,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
791 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
792 movff sub_c+1,xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
793 movff sub_c+0,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
794 ;bra TFT_dive_compass_bearing_lr_c
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
795
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
796 TFT_dive_compass_bearing_lr_c:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
797 ; xB < xA < xC => right, otherwise left (default)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
798 movff xA+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
799 movff xA+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
800 movff xB+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
801 movff xB+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
802 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
803 btfss neg_flag ; xA>xB ?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
804 bra TFT_dive_compass_ruler ; No, xB >= xA, keep default left
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
805 movff xA+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
806 movff xA+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
807 movff xC+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
808 movff xC+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
809 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
810 btfss neg_flag ; xC>xA ?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
811 bra TFT_dive_compass_ruler ; No, xA >= xC, keep default left
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
812 bcf compass_bearing_lft
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
813
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
814 TFT_dive_compass_ruler:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
815 ; calculate mod15 for the ticks
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
816 movff xRD+0,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
817 movff xRD+1,xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
818 movlw d'15'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
819 movwf xB+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
820 clrf xB+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
821 call div16x16 ;xA/xB=xC with xA+0 as remainder
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
822 ; check xA+0, it has the remainder
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
823 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
824 cpfsgt xA+0 ; mod15 > 0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
825 bra TFT_dive_compass_ruler_1 ; no, RM = 0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
826 ; yes RM = 15 - RDmod15
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
827 movlw d'15'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
828 subfwb xA+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
829 TFT_dive_compass_ruler_1:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
830 ; xA+0 holds the RM, store it to 'lo'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
831 movff xA+0,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
832 ; init DD to zero, store it to 'hi'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
833 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
834 movff WREG,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
835
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
836 TFT_dive_compass_ruler_loop:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
837 ; 1. check if we run of from the display
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
838 movlw d'160' ; Looks like 160 works because TFT_box limits the dispay
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
839 cpfslt lo,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
840 bra TFT_dive_compass_ruler_lend ; xRM >= W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
841 ; 2. Clear the tick area from DD to RM - in segments to avoid blinking
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
842 ; don't do a clear if we are at 0 (zero) otherwise it will blink
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
843 ; because of the width underflow
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
844 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
845 cpfsgt lo,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
846 bra TFT_dive_compass_ruler_loop_zz
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
847 rcall TFT_dive_compass_clr_ruler
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
848 TFT_dive_compass_ruler_loop_zz:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
849 ; 3. Draw the markers @ RM
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
850 rcall TFT_dive_compass_ruler_print
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
851 ; 4. If D<82 and RM>79: means we put something over the center line
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
852 ; redraw the center line
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
853 movlw d'82'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
854 cpfslt hi,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
855 bra TFT_dive_compass_ruler_loop_zz2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
856 movlw d'79'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
857 cpfsgt lo,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
858 bra TFT_dive_compass_ruler_loop_zz2
264
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
859 rcall TFT_dive_compass_cline ;enough to print cline as bearing marker is not in the ticker area
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
860 TFT_dive_compass_ruler_loop_zz2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
861 ; 5. set D = RM + 2 : position after the 2px tick
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
862 movff lo,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
863 movlw d'2'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
864 addwf hi,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
865 ; 6. set RM = RM + 15 : position to the next tick
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
866 movlw d'15'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
867 addwf lo,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
868 ; 7. loop
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
869 bra TFT_dive_compass_ruler_loop
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
870
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
871 TFT_dive_compass_ruler_lend: ; loop end
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
872 ; 8. clear the rest of the tick area if D<160
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
873 movlw d'160'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
874 cpfslt hi,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
875 bra TFT_dive_compass_ruler_lend2 ; D >= W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
876 ; 9. position left to end of display to clear the remaining area
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
877 movlw d'160'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
878 movwf lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
879 ; 10. clear it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
880 rcall TFT_dive_compass_clr_ruler
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
881
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
882 TFT_dive_compass_ruler_lend2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
883 ; done with the compass ruler, put the labels on the screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
884 ; get the RD abck to sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
885 movff xRD+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
886 movff xRD+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
887 ; hi stores the display position
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
888 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
889 movwf hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
890 ; lo stores the last item's display position
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
891 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
892 movwf lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
893 bcf print_compass_label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
894
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
895 movlw d'14'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
896 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
897 movlw low( d'219' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
898 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
899 movlw high( d'219' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
900 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
901 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
902 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
903 bra dcr_1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
904 STRCPY_TEXT_PRINT tSW ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
905 dcr_1:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
906 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
907
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
908 movlw d'7'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
909 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
910 movlw low( d'267' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
911 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
912 movlw high( d'267' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
913 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
914 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
915 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
916 bra dcr_2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
917 STRCPY_TEXT_PRINT tW ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
918 dcr_2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
919 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
920
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
921 movlw d'14'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
922 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
923 movlw low( d'309' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
924 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
925 movlw high( d'309' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
926 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
927 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
928 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
929 bra dcr_3
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
930 STRCPY_TEXT_PRINT tNW ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
931 dcr_3:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
932 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
933
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
934 movlw d'6'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
935 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
936 movlw low( d'358' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
937 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
938 movlw high( d'358' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
939 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
940 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
941 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
942 bra dcr_4
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
943 STRCPY_TEXT_PRINT tN ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
944 dcr_4:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
945 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
946
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
947 movlw d'13'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
948 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
949 movlw low( d'399' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
950 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
951 movlw high( d'399' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
952 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
953 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
954 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
955 bra dcr_5
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
956 STRCPY_TEXT_PRINT tNE ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
957 dcr_5:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
958 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
959
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
960 movlw d'6'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
961 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
962 movlw low( d'448' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
963 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
964 movlw high( d'448' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
965 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
966 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
967 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
968 bra dcr_6
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
969 STRCPY_TEXT_PRINT tE ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
970 dcr_6:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
971 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
972
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
973 movlw d'13'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
974 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
975 movlw low( d'489' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
976 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
977 movlw high( d'489' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
978 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
979 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
980 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
981 bra dcr_7
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
982 STRCPY_TEXT_PRINT tSE ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
983 dcr_7:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
984 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
985
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
986 movlw d'6'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
987 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
988 movlw low( d'538' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
989 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
990 movlw high( d'538' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
991 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
992 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
993 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
994 bra dcr_8
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
995 STRCPY_TEXT_PRINT tS ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
996 dcr_8:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
997 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
998
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
999 movlw d'14'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1000 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1001 movlw low( d'579' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1002 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1003 movlw high( d'579' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1004 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1005 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1006 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1007 bra dcr_9
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1008 STRCPY_TEXT_PRINT tSW ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1009 dcr_9:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1010 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1011
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1012 movlw d'7'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1013 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1014 movlw low( d'627' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1015 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1016 movlw high( d'627' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1017 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1018 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1019 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1020 bra dcr_10
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1021 STRCPY_TEXT_PRINT tW ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1022 dcr_10:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1023 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1024
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1025 movlw d'14'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1026 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1027 movlw low( d'669' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1028 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1029 movlw high( d'669' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1030 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1031 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1032 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1033 bra dcr_11
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1034 STRCPY_TEXT_PRINT tNW ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1035 dcr_11:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1036 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1037
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1038 movlw d'6'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1039 movwf up ; up stores the width of hte label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1040 movlw low( d'718' ) ; position of the label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1041 movwf sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1042 movlw high( d'718' )
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1043 movwf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1044 rcall TFT_dive_compass_label_proc ; check if the label should be on screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1045 btfss print_compass_label ; Yes?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1046 bra dcr_12
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1047 STRCPY_TEXT_PRINT tN ; yes - print it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1048 dcr_12:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1049 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1050
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1051 TFT_dive_compass_label_end:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1052 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1053 ; restore lo and hi for the final cleanup
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1054 movff xLO,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1055 movff xHI,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1056 ; clear the rest of the SQ area if there are more space
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1057 movlw d'160'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1058 cpfslt hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1059 bra TFT_dive_compass_label_end2 ; D >= 160, no more space
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1060 ; position left to end of display to clear the remaining area
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1061 movlw d'160'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1062 movff WREG,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1063 ; clear it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1064 rcall TFT_dive_compass_clr_label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1065 TFT_dive_compass_label_end2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1066 rcall TFT_dive_compass_c_mk ; check if label is on the center line or the marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1067 ; do we have bearing set?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1068 btfsc compass_bearing_set
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1069 bra TFT_dive_compass_dir_text ; bearing_set=1 - go and print the dir (<< or >>)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1070 rcall TFT_dive_compass_dir_lclr ; no, clear the area (e.g. we had but removed)
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1071 rcall TFT_dive_compass_dir_rclr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1072 bra TFT_dive_compass_text
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1073
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1074 TFT_dive_compass_dir_text:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1075 ; bearing set, but does it point to heading?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1076 btfss compass_bearing_eq
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1077 bra TFT_dive_compass_dir_text_2 ; bearing != heading - go and print the dir
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1078 rcall TFT_dive_compass_dir_lclr ; bearing = heading, no need for direction markers
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1079 rcall TFT_dive_compass_dir_rclr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1080 bra TFT_dive_compass_text
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1081
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1082 TFT_dive_compass_dir_text_2:
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1083 movlw color_green
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1084 call TFT_set_color
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1085 btfsc compass_bearing_lft
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1086 bra TFT_dive_compass_dir_ldir ; bearing_lft=1, print the left marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1087 ;TFT_dive_compass_text_rdir:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1088 WIN_SMALL dive_compass_rdir_column,dive_compass_head_row
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1089 STRCPY_PRINT ">>"
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1090 ; do not forget to clear the left
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1091 rcall TFT_dive_compass_dir_lclr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1092 bra TFT_dive_compass_text
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1093
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1094 TFT_dive_compass_dir_ldir:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1095 WIN_SMALL dive_compass_ldir_column,dive_compass_head_row
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1096 STRCPY_PRINT "<<"
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1097 ; do not forget to clear the right
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1098 rcall TFT_dive_compass_dir_rclr
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1099 ;bra TFT_dive_compass_text
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1100
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1101 TFT_dive_compass_text:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1102 ; Text output
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1103 call TFT_standard_color
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1104 WIN_SMALL dive_compass_head_column,dive_compass_head_row
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1105 rcall TFT_surface_compass_heading_com ; Show "000° N"
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1106 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1107
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1108 TFT_dive_compass_dir_lclr:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1109 WIN_SMALL dive_compass_ldir_column,dive_compass_head_row
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1110 STRCPY_PRINT " "
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1111 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1112
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1113 TFT_dive_compass_dir_rclr:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1114 WIN_SMALL dive_compass_rdir_column,dive_compass_head_row
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1115 STRCPY_PRINT " "
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1116 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1117
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1118 TFT_dive_compass_label_proc:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1119 ; Input:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1120 ; xHI: DD - display'a current position
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1121 ; xRD: RD - ruler display offset
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1122 ; sub_a: RP - item's ruler display offset
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1123 ; get the RD abck to sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1124 movff xHI,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1125 bcf print_compass_label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1126 ; 1/a. check if it's viewable ? sub_a(RP) >= sub_b(RD) ?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1127 ; set the carry flag if sub_b(xRD) is equal to or greater than sub_a(xRP):
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1128 movff xRD+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1129 movff xRD+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1130 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1131 btfsc neg_flag ; >=0?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1132 return ; No
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1133 ; store the RO=RP-RD for drawing
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1134 movff sub_c+0,xC+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1135 movff sub_c+1,xC+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1136
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1137 ; 1/b. check if it's viewable ? sub_a(RP)+up(width) < sub_b(RD)+160
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1138 ; if already above, no need to process the rest of the labels
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1139 ;movff up,WREG ; don't worry about the width, low level call prevents overload
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1140 movlw d'2' ; .. but still avoid thin mess on the side of the display
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1141 addwf sub_a+0,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1142 btfsc STATUS, C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1143 incf sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1144
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1145 movff xRDr+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1146 movff xRDr+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1147 call subU16 ; sub_c = sub_a - sub_b
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1148 btfss neg_flag ; ? <0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1149 bra TFT_dive_compass_label_end ; No
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1150
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1151 ; 2. restore RO=RP-RD from 1/a.
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1152 movff xC+0,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1153
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1154 ; 3. Clear the segment from DD(hi) to lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1155 ; don't do a clear if we are at 0 (zero) otherwise it will blink
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1156 ; ?because of the width underflow?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1157 movlw d'0'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1158 cpfsgt lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1159 bra TFT_dive_compass_label_proc_p
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1160 rcall TFT_dive_compass_clr_label
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1161 TFT_dive_compass_label_proc_p:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1162 ; 4. print the SQ on the screen
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1163 call TFT_standard_color
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1164 bsf print_compass_label
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1165 ;TFT_dive_compass_label_print:
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1166 movlw dive_compass_label_row
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1167 movff WREG,win_top
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1168 movff lo,win_leftx2
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1169 movlw FT_SMALL
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1170 movff WREG,win_font
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1171 ; 6. retain the new display positions
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1172 movff hi,divB ; old-hi will be used by the c_mk : clear+marker printing
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1173 movff lo,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1174 movff up,WREG
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1175 addwf hi,1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1176 movff lo,xLO
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1177 movff hi,xHI
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1178 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1179
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1180 TFT_dive_compass_c_mk:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1181 ; Common task to draw center line and marker
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1182 ; until a proper implementation make it simple:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1183 rcall TFT_dive_compass_mk
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1184 rcall TFT_dive_compass_cline
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1185 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1186
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1187 TFT_dive_compass_mk:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1188 ; draw the bearing on the screen if visible and if we just put something over it
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1189 btfss compass_bearing_set
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1190 return ; bearing_set=0 nothing to display
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1191
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1192 btfss compass_bearing_vis
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1193 return ; bearing set but not visible
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1194
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1195 ; save lo/hi from trashing
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1196 movff lo,xA+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1197 movff hi,xA+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1198
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1199 ; did we just update the marker's position?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1200 ; DD.......DD
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1201 ; CM+2>=DD(old) or CM-2<=DD
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1202 ; ToDo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1203
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1204 btfss compass_bearing_ahd
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1205 bra TFT_dive_compass_mk_rear
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1206 ;TFT_dive_compass_mk_front:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1207 clrf lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1208 movff xCM,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1209 bsf print_compass_label ; set=green marker
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1210 rcall TFT_dive_compass_mk_print
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1211 bcf print_compass_label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1212 bra TFT_dive_compass_mk_end
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1213
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1214 TFT_dive_compass_mk_rear:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1215 clrf lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1216 movff xCM,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1217 bcf print_compass_label ; set=red marker
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1218 rcall TFT_dive_compass_mk_print
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1219
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1220 TFT_dive_compass_mk_end:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1221 movff xA+0,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1222 movff xA+1,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1223 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1224
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1225 TFT_dive_compass_mk_print:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1226 movlw d'1'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1227 cpfsgt lo
264
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1228 bra TFT_dive_compass_mk_print_2 ; lo<=1, skip the first line
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1229 movlw d'2'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1230 subwf lo,0
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1231 ; movff WREG,win_leftx2
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1232 rcall TFT_dive_compass_mk_print_3
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1233 TFT_dive_compass_mk_print_2:
264
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1234 ; save hi/lo
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1235 movff hi,divA+1
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1236 movff lo,divA+0
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1237 ; clear the middle of hte bearing marker
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1238 movff lo,hi
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1239 movlw d'2'
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1240 addwf lo,1
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1241 rcall TFT_dive_compass_clr_label
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1242 ; restore hi/lo
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1243 movff divA+1,hi
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1244 movff divA+0,lo
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1245 ; print a dot on the middle
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1246 movff lo,WREG
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1247 rcall TFT_dive_compass_mk_print_dot
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1248 ; finally print the right marker line
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1249 movlw d'2'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1250 addwf lo,0
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1251 ; rcall TFT_dive_compass_mk_print_3
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1252 ; return
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1253 TFT_dive_compass_mk_print_3:
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1254 movff WREG,win_leftx2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1255 movlw dive_compass_label_row
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1256 movff WREG,win_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1257 movlw dive_compass_label_height-.2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1258 movff WREG,win_height
264
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1259 bra TFT_dive_compass_mk_print_4
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1260 TFT_dive_compass_mk_print_dot:
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1261 movff WREG,win_leftx2
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1262 movlw dive_compass_label_row + .9
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1263 movff WREG,win_top
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1264 movlw d'4'
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1265 movff WREG,win_height
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1266 TFT_dive_compass_mk_print_4:
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1267 movlw d'2'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1268 movff WREG,win_width
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1269 movff WREG,win_bargraph
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1270 movlw color_green
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1271 btfss print_compass_label
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1272 movlw color_red
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1273 call TFT_set_color
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1274 call TFT_box
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1275 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1276
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1277 TFT_dive_compass_clr_label:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1278 movlw dive_compass_label_row-.2 ; set top & height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1279 movff WREG,win_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1280 movlw dive_compass_label_height+.2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1281 movff WREG,win_height
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1282 rcall TFT_dive_compass_clear
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1283 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1284
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1285 TFT_dive_compass_clr_ruler:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1286 ; top tick
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1287 movlw dive_compass_tick_top_top ; set top & height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1288 movff WREG,win_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1289 movlw dive_compass_tick_height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1290 movff WREG,win_height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1291 rcall TFT_dive_compass_clear
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1292 ;bottom tick
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1293 movlw dive_compass_tick_bot_top ; set top & height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1294 movff WREG,win_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1295 movlw dive_compass_tick_height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1296 movff WREG,win_height
257
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1297 ; rcall TFT_dive_compass_clear
5dd0f39d05d4 minor speed and size improvements for the compass routine
heinrichsweikamp
parents: 256
diff changeset
1298 ; return
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1299 TFT_dive_compass_clear:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1300 ; we receive RM in lo and DD in hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1301 ; calculate width = RM-D
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1302 movff hi,WREG
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1303 subwf lo,0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1304 movff WREG,win_width ; RM-DD
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1305 movff WREG,win_bargraph
259
151148e2281f minor cleanup
heinrichsweikamp
parents: 258
diff changeset
1306 ; incf hi,W ; +1 pixel to avopid clipping of chars
151148e2281f minor cleanup
heinrichsweikamp
parents: 258
diff changeset
1307 ; movff WREG,win_leftx2
151148e2281f minor cleanup
heinrichsweikamp
parents: 258
diff changeset
1308 movff hi,win_leftx2
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1309 movlw color_black
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1310 call TFT_set_color
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1311 call TFT_box
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1312 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1313
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1314 TFT_dive_compass_ruler_print:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1315 ; we receive RM in lo and DD in hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1316 movlw dive_compass_tick_top_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1317 movff WREG,win_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1318 movlw dive_compass_tick_height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1319 movff WREG,win_height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1320 movlw d'2'
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1321 movff WREG,win_width
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1322 movff WREG,win_bargraph
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1323 movff lo,win_leftx2 ; 0..159
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1324 call TFT_standard_color
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1325 call TFT_box
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1326 movlw dive_compass_tick_bot_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1327 movff WREG,win_top
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1328 movlw dive_compass_tick_height
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1329 movff WREG,win_height
264
9dbdb060d44c Fix compass ruler's missing bottom ticks; Clear between the bearing marker lines and draw a dot.
janos_kovacs <kovjanos@gmail.com>
parents: 259
diff changeset
1330 call TFT_standard_color ; color in WREG is trashed, must be set again!
256
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1331 call TFT_box
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1332 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1333
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1334 TFT_dive_compass_cline:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1335 movlw color_yellow
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1336 WIN_BOX_COLOR dive_compass_tick_top_top,dive_compass_tick_bot_bot,.80,.81
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1337 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1338
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1339 tft_compass_cardinal:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1340 btfsc hi,0 ; Heading >255°?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1341 bra tft_compass_cardinal2 ; Yes must be W, NW or N
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1342 ; No, Must be W, SW, S, SE, E, NE or N
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1343 movlw .23
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1344 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1345 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1346 bra tft_compass_cardinal_N
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1347 movlw .68
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1348 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1349 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1350 bra tft_compass_cardinal_NE
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1351 movlw .113
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1352 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1353 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1354 bra tft_compass_cardinal_E
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1355 movlw .158
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1356 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1357 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1358 bra tft_compass_cardinal_SE
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1359 movlw .203
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1360 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1361 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1362 bra tft_compass_cardinal_S
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1363 movlw .248
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1364 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1365 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1366 bra tft_compass_cardinal_SW
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1367 bra tft_compass_cardinal_W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1368
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1369 tft_compass_cardinal2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1370 movlw .37
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1371 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1372 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1373 bra tft_compass_cardinal_W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1374 movlw .82
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1375 subwf lo,W
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1376 btfss STATUS,C
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1377 bra tft_compass_cardinal_NW
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1378 ; bra tft_compass_cardinal_N
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1379 tft_compass_cardinal_N:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1380 STRCAT_TEXT tN
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1381 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1382 tft_compass_cardinal_NE:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1383 STRCAT_TEXT tNE
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1384 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1385 tft_compass_cardinal_E:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1386 STRCAT_TEXT tE
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1387 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1388 tft_compass_cardinal_SE:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1389 STRCAT_TEXT tSE
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1390 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1391 tft_compass_cardinal_S:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1392 STRCAT_TEXT tS
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1393 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1394 tft_compass_cardinal_SW:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1395 STRCAT_TEXT tSW
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1396 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1397 tft_compass_cardinal_W:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1398 STRCAT_TEXT tW
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1399 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1400 tft_compass_cardinal_NW:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1401 STRCAT_TEXT tNW
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1402 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1403
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1404 compass_heading_common:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1405 call speed_normal
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1406 movlw compass_averaging ; numbers of extra averaging
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1407 movwf up
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1408 compass_heading_common2:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1409 rcall TFT_get_compass
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1410 decfsz up,F
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1411 bra compass_heading_common2
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1412 extern compass
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1413 call compass ; Do compass corrections.
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1414 banksel common
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1415
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1416 ; More then compass_fast_treshold?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1417 movff compass_heading_old+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1418 movff compass_heading_old+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1419 movff compass_heading+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1420 movff compass_heading+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1421 call sub16
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1422 btfss neg_flag ; <0?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1423 bra compass_heading_common3 ; No, test for threshold
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1424 ; Yes, subtract the other way round
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1425 movff compass_heading+0,sub_a+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1426 movff compass_heading+1,sub_a+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1427 movff compass_heading_old+0,sub_b+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1428 movff compass_heading_old+1,sub_b+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1429 call sub16
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1430 compass_heading_common3:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1431 movff compass_heading+0,compass_heading_old+0 ; copy new "old"
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1432 movff compass_heading+1,compass_heading_old+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1433
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1434 bcf compass_fast_mode
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1435 movlw compass_fast_treshold
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1436 cpfslt sub_c+0 ; > compass_fast_treshold?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1437 bsf compass_fast_mode ; Yes!
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1438
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1439 btfss compass_fast_mode ; In fast mode?
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1440 return ; No.
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1441 ; Yes.
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1442 movff compass_heading+0,lo
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1443 movff compass_heading+1,hi
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1444 call TFT_convert_signed_16bit ; converts lo:hi into signed-short and adds '-' to POSTINC2 if required
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1445 movff lo,compass_heading_shown+0
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1446 movff hi,compass_heading_shown+1
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1447 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1448
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1449 TFT_get_compass:
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1450 call I2C_RX_compass ; Test Compass
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1451 call I2C_RX_accelerometer ; Test Accelerometer
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1452 call compass_filter ; Filter Raw compass + accel readings.
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1453 banksel common
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1454 return
5b4ef0b9090d place compass display code into compass_ops.asm
heinrichsweikamp
parents: 214
diff changeset
1455
147
fdd4e30846ae some cleanup
heinrichsweikamp
parents: 0
diff changeset
1456
0
heinrichsweikamp
parents:
diff changeset
1457 END