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1 ;=============================================================================
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2 ;
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3 ; File tft.inc
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4 ;
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5 ; Declaring interfaces to the TFT screen and its Oxxx controler
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6 ;
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7 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
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8 ;=============================================================================
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9 ; HISTORY
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10 ; 2011-05-24 : [jDG] Cleanups from initial Matthias code.
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11
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12 ;=============================================================================
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13 ; TFT public subroutines
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14 ;=============================================================================
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15
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16 ; Writes two half-pixels at position (win_top,win_leftx2)
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17 ; Inputs: win_leftx2, win_top, win_color:2
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18 ; Trashed: WREG, PROD
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19 extern pixel_write
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20
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21 ;-----------------------------------------------------------------------------
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22 ; Writes one half-pixel at position (win_top,win_leftx2).
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23 ; Inputs: win_leftx2, win_top, win_color:2
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24 ; Trashed: WREG, PROD
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25 extern half_pixel_write
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26
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27 ;-----------------------------------------------------------------------------
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28 ; TFT_frame : draw a frame around current box with current color.
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29 ; Inputs: win_top, win_leftx2, win_height, win_width, win_color1, win_color2
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30 ; Outputs: (none)
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31 ; Trashed: WREG, PROD, aa_start:2, aa_end:2, win_leftx2, win_width:1
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32 extern TFT_frame
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33
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34 ;-----------------------------------------------------------------------------
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35 extern TFT_DisplayOff ; Power-off everything (need a boot next)
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36 extern TFT_boot ; Initialize screen hardware
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37 extern TFT_Display_FadeIn ; Smooth lighting
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38 extern TFT_Display_FadeOut ; Smooth darkening
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39 extern TFT_ClearScreen
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40 extern TFT_box_write
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41 extern TFT_box
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42 extern TFT_DataWrite_PROD
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43 extern TFT_set_color
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44 extern init_pixel_write
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45 extern pixel_write
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46 extern pixel_write_col320
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47 extern half_vertical_line
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48 extern half_horizontal_line
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49 extern TFT_dump_screen
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50
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51 ;-----------------------------------------------------------------------------
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52 ; Macro to encode standard colors.
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53 ; TODO: User preferences... Maybe.
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54 TFT_STD_COLOR macro
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55 setf WREG ; Default to white
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56 call TFT_set_color
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57 endm
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58
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59 TFT_MASK_COLOR macro
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60 movlw color_greenish ; Default to OSTC mask-green
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61 call TFT_set_color
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62 endm
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63
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64 TFT_ATTENTION_COLOR macro
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65 movlw color_yellow ; Default to OSTC yelow
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66 call TFT_set_color
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67 endm
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68
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69 TFT_WARNINGS_COLOR macro
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70 movlw color_red ; Default to OSTC red
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71 call TFT_set_color
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72 endm
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73
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74 ;TFT_DISABLED_COLOR macro
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75 ; movlw color_grey ; Default to OSTC grey (dark blue)
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76 ; call TFT_set_color
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77 ; endm
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78
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79 ;=============================================================================
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80 ; Low level macros (for aa_wordprocessor and color_processor).
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81 ;
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82 extern TFT_CmdWrite
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83 Index_out macro low_b
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84 movlw low_b
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85 call TFT_CmdWrite
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86 endm
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87
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88 ;=============================================================================
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89 ; A shortcut for TFT_box and TFT_frame call sequences.
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90 ;
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91 extern box_frame_std, box_frame_common, box_frame_color, box_frame_color16
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92 extern box_std_block, box_black_block, box_color_block
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93
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94 ; Erase a given screen area.
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95 WIN_BOX_BLACK macro top, bottom, left, right
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96 call box_black_block
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97 db top, (bottom)-(top)+1, left, (right)-(left)+1
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98 endm
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99
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100 ; Fill a given screen area with standard color (White).
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101 WIN_BOX_STD macro top, bottom, left, right
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102 call box_std_block
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103 db top, (bottom)-(top)+1, left, (right)-(left)+1
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104 endm
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105
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106 ; Fill a given screen area with color from WREG (8bits rrrgggbb)
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107 WIN_BOX_COLOR macro top, bottom, left, right
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108 call box_color_block
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109 db top, (bottom)-(top)+1, left, (right)-(left)+1
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110 endm
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111
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112 ; Draw a frame in standard color (White).
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113 WIN_FRAME_STD macro top, bottom, left, right
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114 call box_frame_std
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115 db top, (bottom)-(top)+1, left, (right)-(left)+1
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116 endm
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117
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118 ; Draw a frame with color from WREG (8bits rrrgggbb)
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119 WIN_FRAME_COLOR macro top, bottom, left, right
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120 call box_frame_color
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121 db top, (bottom)-(top)+1, left, (right)-(left)+1
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122 endm
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123
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124 ; Draw a frame with color from win_color (16bits in TFT format)
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125 WIN_FRAME_COLOR16 macro top, bottom, left, right
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126 call box_frame_color16
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127 db top, (bottom)-(top)+1, left, (right)-(left)+1
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128 endm
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129
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130 WIN_FONT macro win_font_input
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131 movlw win_font_input
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132 movff WREG,win_font
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133 endm
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134
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135 WIN_TOP macro win_top_input
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136 movlw win_top_input
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137 movff WREG,win_top
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138 endm
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139
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140 WIN_HEIGHT macro h
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141 movlw h
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142 movff WREG,win_height
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143 endm
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144
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145 WIN_LEFT macro win_left_input
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146 movlw win_left_input
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147 movff WREG,win_leftx2
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148 endm
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149
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150 WIN_WIDTH macro w
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151 movlw w
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152 movff WREG,win_width
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153 endm
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154
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155 WIN_INVERT macro win_invert_input
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156 movlw win_invert_input
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157 movff WREG,win_invert
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158 endm
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159
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160 WIN_COLOR macro win_color_input
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161 movlw win_color_input
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162 call TFT_set_color
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163 endm
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164
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165 ;=============================================================================
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166 ; TFT_write_flash_image
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167 ;
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168 ; Inputs: cx, cy : Image center (in 0..160 x 0..240 range)
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169 ; image : flash image header's address
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170 ; Outputs: win_top, win_left, win_height, win_width
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171 ; image copyed on screen.
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172 ; Trashed: PROD, hi, lo
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173 ;
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174 extern TFT_write_flash_image
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175 extern TFT_write_flash_image_addr
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176 TFT_WRITE_FLASH_IMAGE macro cx, cy, image
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177 If LOW(image) != 0
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178 Error "Image "image" mis-aligned"
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179 Endif
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180 If (UPPER(image) & 0xF0) != 0x30
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181 Error "Image "image" not in image flash memory"
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182 Endif
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183 If (cx < 0) || (cx > 160)
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184 Error "Image center's X "cx" not in 0..160 range".
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185 Endif
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186 If (cy < 0) || (cy > 240)
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187 Error "Image center's Y "cy" not in 0..240 range".
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188 Endif
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189 ; Once we know image is aligned, we can use the compact (4bytes)
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190 ; 12bit registers to pass the address:
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191 lfsr FSR2, ((image)>>8) & 0xFFF
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192 WIN_LEFT cx
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193 WIN_TOP cy
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194 call TFT_write_flash_image
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195 endm
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196
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197 ;=============================================================================
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198 ; TFT_write_prom_image
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199 ;
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200 TFT_WRITE_PROM_IMAGE macro icon
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201 extern icon, color_image
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202 movlw LOW(icon)
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203 movwf TBLPTRL
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204 movlw HIGH(icon)
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205 movwf TBLPTRH
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206 movlw UPPER(icon)
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207 movwf TBLPTRU
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208 call color_image
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209 endm
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210
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211 ;=============================================================================
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212 ; Macro to provides our own interface code.
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213 ;
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214 PIXEL_WRITE macro colRegister, rowRegister
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215 movff colRegister,win_leftx2
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216 movff rowRegister,win_top
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217 call pixel_write
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218 endm
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219
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220 INIT_PIXEL_WROTE macro colRegister
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221 movff colRegister,win_leftx2
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222 call init_pixel_write
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223 endm
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224
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225 HALF_PIXEL_WRITE macro rowRegister
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226 movff rowRegister,win_top
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227 call half_pixel_write
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228 endm
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229
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