annotate code_part1/OSTC_code_asm_part1/isr.asm @ 345:8bb7c901743d ScreenDump

Added screen dumps in simulator mode too.
author JeanDo
date Sat, 21 May 2011 15:12:20 +0200
parents 797e2ac42d24
children ba0f30f3d560
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96a35aeda5f2 Initial setup
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1
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2 ; OSTC - diving computer code
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3 ; Copyright (C) 2008 HeinrichsWeikamp GbR
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4
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5 ; This program is free software: you can redistribute it and/or modify
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6 ; it under the terms of the GNU General Public License as published by
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7 ; the Free Software Foundation, either version 3 of the License, or
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8 ; (at your option) any later version.
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9
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10 ; This program is distributed in the hope that it will be useful,
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11 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 ; GNU General Public License for more details.
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14
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15 ; You should have received a copy of the GNU General Public License
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16 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
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17
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18
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19 ; written by: Matthias Heinrichs, info@heinrichsweikamp.com
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20 ; written: 10/30/05
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21 ; last updated: 05/16/08
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22 ; known bugs:
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23 ; ToDo:
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24
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25 ; the timer1 module interrupts every 62.5ms (16x/second)
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26 ; temperature and pressure is averaged over 4 measurements
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27 ; flag pressure_refresh is set every 500ms
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28 ; and provides accurate pressure (+/-1mBar stable) and temperature (0.1C stable)
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29
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ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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30 ;=============================================================================
341
2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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31 ; Copy a 16bit value from ISR modified registers to main registers.
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32 ;
2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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33 ; Because the ISR can happend at any time, the read should be redone if bytes
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34 ; changed inbetween.
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35 ;
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d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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36 ; Trashes: WREG and TABLAT
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37 ; NOTE: Destination might be in any bank, so be BANK SAFE.
d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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38 ;
d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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39 SAFE_2BYTE_COPY MACRO from, to
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40 local retry
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41 retry:
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d5240792be51 BUGFIX Altimeter random value (SAFE_2BYTE_COPY was not bank safe).
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42 movff from+1,WREG ; High byte in W.
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43 movff WREG,to+1 ; and destination.
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44 movff from+0,to+0 ; Copy low byte.
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45 movff from+1,TABLAT ; another bank-safe read.
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46 xorwf TABLAT,W ; High byte changed ?
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47 bnz retry
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48 ENDM
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49
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50 ;=============================================================================
0
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51 uartint:
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52 btfsc simulatormode_active ; are we in simulatormode?
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53 bra simulator_int ; Yes, reading is depth in m!
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54
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55 movff RCREG,uart1_temp
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56 movlw d'96'
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57 subwf uart1_temp,F
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58 dcfsnz uart1_temp,F ; "a"
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59 bsf dump_external_eeprom ; set flag
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60 dcfsnz uart1_temp,F ; "b"
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61 bsf uart_settime ; set flag
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62 dcfsnz uart1_temp,F ; "c"
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63 bsf simulatormode_active ; set flag
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64 dcfsnz uart1_temp,F ; "d"
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65 bsf internal_eeprom_write ; set flag
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66 dcfsnz uart1_temp,F ; "e"
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67 bsf uart_send_hash ; set flag
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68 dcfsnz uart1_temp,F ; "f"
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69 bsf uart_reset_battery_stats ; set flag
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70 dcfsnz uart1_temp,F ; "g"
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71 bsf uart_send_int_eeprom ; set flag
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72 dcfsnz uart1_temp,F ; "h"
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73 bsf uart_reset_decodata ; set flag
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74 dcfsnz uart1_temp,F ; "i"
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75 bsf internal_eeprom_write2 ; set flag
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76 dcfsnz uart1_temp,F ; "j"
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77 bsf uart_send_int_eeprom2 ; set flag
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78 dcfsnz uart1_temp,F ; "k"
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79 bsf uart_store_tissue_data ; set flag
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447390289f47 NEW screen_dump serial command (l)
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80 dcfsnz uart1_temp,F ; "l"
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81 bsf uart_dump_screen ; set flag
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4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
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82
4ec488f046f4 Battery sign color coded, work on new uart-started 115200Baud bootloader (Do NOT use yet!)
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83 movlw 0xC1
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84 cpfseq RCREG ; 115200Baud Bootloader request?
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85 bra uartint1 ; No
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86 bsf uart_115200_bootloader ; Yes, set Flag
0
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87
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88 uartint1:
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89 movf RCREG,w ; unload RCREG in stand-alone simulator mode
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90 bcf PIR1,RCIF ; Clear flag
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91 bcf RCSTA,CREN ; Clear receiver status
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92 bsf RCSTA,CREN
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93 return
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94
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95 simulator_int:
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8bb7c901743d Added screen dumps in simulator mode too.
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96 movlw 'l' ; Received 'l' dump-screen command ?
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97 xorwf RCREG,W
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98 bnz simulator_int2 ; NO: skip
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99 bsf uart_dump_screen ; YES: set flag
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100 bra uartint1 ; and this is not a depth...
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101
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102 simulator_int2:
0
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103 btfsc standalone_simulator ; ignore in standalone simulator mode
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104 bra uartint1
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105
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106 bsf LED_blue
0
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107 tstfsz RCREG ; =0x00?
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108 bra simulator_int1 ; No
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109 incf RCREG,F ; Yes, so force RCREG=1
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110
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111 simulator_int1:
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112 movf RCREG,w ; depth in m
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113 mullw d'100' ; result will be mbar
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114 movff PRODL,sim_pressure+0 ; stored for pressure overwrite
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115 movff PRODH,sim_pressure+1
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116 bra uartint1 ; exit uart int
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117
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ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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118 ;=============================================================================
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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119
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9581e48a914f Some cleanup in the ISR
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120 switch_left_int:
0
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121 bcf INTCON,INT0IF ; Clear flag
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122
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123 btfsc T0CON,TMR0ON ; Timer0 running?
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124 bra timer0_restart ; Yes, restart
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125
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126 ; OSTC 2N has flipped screen and exchanged switches...
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127 movff win_flags,WREG ; Get into Bank0
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128 btfss WREG,0
0
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129 bsf switch_left ; Set flag, button press is OK
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130 btfsc WREG,0
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131 bsf switch_right ; Set flag, button press is OK
0
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132
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133 bsf T0CON,TMR0ON ; Start Timer 0
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134 return
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135
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136
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9581e48a914f Some cleanup in the ISR
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137 switch_right_int:
0
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138 bcf INTCON3,INT1IF ; Clear flag
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139
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140 btfsc T0CON,TMR0ON ; Timer0 running?
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141 bra timer0_restart ; Yes, restart
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142
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143 ; OSTC 2N has flipped screen and exchanged switches...
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144 movff win_flags,WREG ; Get into Bank0
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145 btfsc WREG,0
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146 bsf switch_left ; Set flag, button press is OK
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147 btfss WREG,0
0
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148 bsf switch_right ; Set flag, button press is OK
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149
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150 bsf T0CON,TMR0ON ; Start Timer 0
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151 return
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152
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153 timer0_restart:
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154 bcf INTCON,TMR0IF ; Clear flag
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155 clrf T0CON ; Timer0
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156 clrf TMR0H
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157 clrf TMR0L
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158 bsf T0CON,TMR0ON ; Start Timer 0
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159 return
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160
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161 timer0int:
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162 bcf INTCON,TMR0IF ; Clear flag
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163 bcf T0CON,TMR0ON ; Stop Timer 0
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164 clrf TMR0H
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165 clrf TMR0L
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166 return
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167
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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168 ;=============================================================================
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169 ;
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170
0
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171 timer1int:
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172 bcf PIR1,TMR1IF ; Clear flag
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173
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174 timer1int_debug:
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175 bcf LED_red ; LEDr off (For charge indicator)
0
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176
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177 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
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178 cpfslt TMR1H ; Did we miss a 1/16 second?
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179 incf timer1int_counter1,F ; Yes, add extra 1/16 second
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180
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181 movlw 0x08 ; Timer1 int after 62.5ms (=16/second)
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182 subwf TMR1H,F
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183
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184 incf timer1int_counter1,F ; Increase timer1 counter
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185
0
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186 movlw d'15' ; One second 16
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187 cpfsgt timer1int_counter1
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188 bra sensor_int_pre ; only pressure sensor
238
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189 rcall RTCisr ; adjust time, then query pressure sensor
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190
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191 sensor_int_pre:
238
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192 btfsc sleepmode ; In sleepmode?
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193 return ; Yes
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194
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195 ; Sensor interput do poll the presure/temperature sensor, download results,
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196 ; compute compensations, and store results in various shared variables.
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197 ;
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198 ; Input: interupt (every 62.5msec == 16Hz), sensor,
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199 ; last_surfpressure:2.
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200 ;
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201 ; Output: amb_pressure:2,
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202 ; temperature:2,
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203 ; rel_pressure:2,
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204 ; and the pressure_refresh flag.
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205 ;
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206 ; NOTE: averaging (4 successive value, as recommended in the MS5535 datasheet)
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207 ; is done on private variables, to avoid trashing data while reading it
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208 ; from the main code.
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209 ;
341
2144f19fa1eb BUGFIX protect against ISR changing pressure/temperature while reading it.
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210 ; NOTE: Because there is no atomic 16bits load/stores, we need to check twice
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211 ; the read data is correct. Ie. SAFE_2BYTE_COPY is mandatory to get
344
797e2ac42d24 MERGE with 1.91 main trunk.
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212 ; amb_pressure, temperature or rel_pressure
341
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213 ;
0
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214 sensor_int:
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215 btfsc no_sensor_int ; No sensor interrupt (because it's addressed during sleep)
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216 return
96a35aeda5f2 Initial setup
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217
238
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218 incf timer1int_counter2,F ; counts to eight for state maschine
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219
238
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220 ; State 1: Clear flags and average registers, get temperature (51us) and start pressure integration (73,5us)
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221 ; State 2: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
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222 ; State 3: Get temperature (51us) and start pressure integration (73,5us)
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223 ; State 4: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
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224 ; State 5: Get temperature (51us) and start pressure integration (73,5us)
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225 ; State 6: Get pressure (51us), start temperature integration (73,5us) and calculate temperature compensated pressure (233us)
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226 ; State 7: Get temperature (51us) and start pressure integration (73,5us)
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227 ; State 8: Get pressure (51us), start temperature integration (73,5us), calculate temperature compensated pressure (233us) and build average for half-second update of tempperature and pressure
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228
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229 movff timer1int_counter2,isr_divB ; isr_divB used as temp here...
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230 dcfsnz isr_divB,F
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231 bra sensor_int_state1_plus_restart ; Do State 1
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232 dcfsnz isr_divB,F
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233 bra sensor_int_state2 ; Do State 2
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234 dcfsnz isr_divB,F
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235 bra sensor_int_state1 ; Do State 3
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236 dcfsnz isr_divB,F
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237 bra sensor_int_state2 ; Do State 4
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238 dcfsnz isr_divB,F
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239 bra sensor_int_state1 ; Do State 5
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240 dcfsnz isr_divB,F
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241 bra sensor_int_state2 ; Do State 6
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242 dcfsnz isr_divB,F
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243 bra sensor_int_state1 ; Do State 7
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244 ; bra sensor_int2_plus_average ; Do State 8
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245
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246 ;sensor_int2_plus_average:
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247 rcall sensor_int_state2
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248 sensor_int2_plus_average2:
340
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249 bcf STATUS,C ; clear carry bit.
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250 rrcf amb_pressure_avg+1 ; amb_pressure sum / 2
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251 rrcf amb_pressure_avg+0
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252 bcf STATUS,C ; clear carry bit, twice.
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253 rrcf amb_pressure_avg+1 ; amb_pressure sum / 4
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254 rrcf amb_pressure_avg+0
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255
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256 movff amb_pressure_avg+1,amb_pressure+1 ; copy into actual register
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257 movff amb_pressure_avg+0,amb_pressure+0
238
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258
340
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259 bcf STATUS,C
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260 btfsc temperature_avg+1,7 ; Copy sign bit to carry
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261 bsf STATUS,C
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262 rrcf temperature_avg+1 ; Signed temperature /2
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263 rrcf temperature_avg+0
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264
340
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265 bcf STATUS,C
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266 btfsc temperature_avg+1,7 ; Copy sign bit to carry
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267 bsf STATUS,C
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268 rrcf temperature_avg+1 ; Signed temperature /4
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269 rrcf temperature_avg+0
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270
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271 movff temperature_avg+1,temperature+1
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272 movff temperature_avg+0,temperature+0
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273
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274 bsf pressure_refresh ; Set flag! Temp and pressure were updated!
238
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275 clrf timer1int_counter2 ; Then reset State counter
0
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276
96a35aeda5f2 Initial setup
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277 btfss simulatormode_active ; are we in simulator mode?
96a35aeda5f2 Initial setup
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278 bra comp_air_pressure ; no
96a35aeda5f2 Initial setup
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279
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280 comp_air_pressure0:
96a35aeda5f2 Initial setup
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281 movlw LOW d'1000' ; yes, so simulate 1Bar surface pressure
96a35aeda5f2 Initial setup
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282 movwf last_surfpressure+0
96a35aeda5f2 Initial setup
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283 movlw HIGH d'1000'
96a35aeda5f2 Initial setup
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284 movwf last_surfpressure+1
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285
96a35aeda5f2 Initial setup
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286 comp_air_pressure:
96a35aeda5f2 Initial setup
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287 movf last_surfpressure+0,W ; compensate airpressure
96a35aeda5f2 Initial setup
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288 subwf amb_pressure+0,W
238
9581e48a914f Some cleanup in the ISR
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289 movwf rel_pressure+0 ; rel_pressure stores depth!
0
96a35aeda5f2 Initial setup
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290
96a35aeda5f2 Initial setup
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291 movf last_surfpressure+1,W
96a35aeda5f2 Initial setup
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292 subwfb amb_pressure+1,W
96a35aeda5f2 Initial setup
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293 movwf rel_pressure+1
238
9581e48a914f Some cleanup in the ISR
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294 btfss STATUS,N ; result is below zero?
9581e48a914f Some cleanup in the ISR
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295 return
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296 clrf rel_pressure+0 ; Yes, do not display negative depths
9581e48a914f Some cleanup in the ISR
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297 clrf rel_pressure+1 ; e.g. when surface air pressure dropped during the dive
0
96a35aeda5f2 Initial setup
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298 return
238
9581e48a914f Some cleanup in the ISR
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299
9581e48a914f Some cleanup in the ISR
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300 sensor_int_state1_plus_restart:
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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301 ;;; bcf pressure_refresh ; clear flags
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302 clrf amb_pressure_avg+0 ; pressure average registers
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303 clrf amb_pressure_avg+1
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304 clrf temperature_avg+0
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305 clrf temperature_avg+1
238
9581e48a914f Some cleanup in the ISR
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306
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307 sensor_int_state1:
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308 call get_temperature_value ; State 1: Get temperature
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309 call get_pressure_start ; and start pressure integration.
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310 return ; Done.
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311
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diff changeset
312 sensor_int_state2:
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313 call get_pressure_value ; State2: Get pressure (51us)
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diff changeset
314 call get_temperature_start ; and start temperature integration (73,5us)
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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315 goto calculate_compensation ; calculate temperature compensated pressure (233us)
238
9581e48a914f Some cleanup in the ISR
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316
340
ecbbbd423e86 BUGFIX save negativ temperatures in logbook (bbbug #6)
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diff changeset
317 ;=============================================================================
0
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318
96a35aeda5f2 Initial setup
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319 RTCisr:
96a35aeda5f2 Initial setup
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320 clrf timer1int_counter1 ; counts to 16 (one second / 62.5ms)
96a35aeda5f2 Initial setup
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321 bsf onesecupdate ; we have a new second!
96a35aeda5f2 Initial setup
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322
96a35aeda5f2 Initial setup
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323 bcf STATUS,Z ; are we in dive mode?
96a35aeda5f2 Initial setup
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324 btfss divemode
238
9581e48a914f Some cleanup in the ISR
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325 bra RTCisr2 ; No, must be surface or sleepmode
0
96a35aeda5f2 Initial setup
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326
96a35aeda5f2 Initial setup
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327 incf samplesecs,F ; CF20 diving seconds done
96a35aeda5f2 Initial setup
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328 decf samplesecs_value,W ; holds CF20 value (minus 1 into WREG)
96a35aeda5f2 Initial setup
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329 cpfsgt samplesecs
238
9581e48a914f Some cleanup in the ISR
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330 bra RTCisr1 ; no
0
96a35aeda5f2 Initial setup
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331
96a35aeda5f2 Initial setup
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332 clrf samplesecs ; clear counter...
96a35aeda5f2 Initial setup
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333 bsf store_sample ; ...and set bit for profile storage
238
9581e48a914f Some cleanup in the ISR
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diff changeset
334
0
96a35aeda5f2 Initial setup
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335 RTCisr1:
96a35aeda5f2 Initial setup
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parents:
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336 ; Increase re-setable average depth divetime counter
111
ed7826c740a0 1.74beta rc1
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diff changeset
337 incf average_divesecs+0,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
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338 btfsc STATUS,Z
111
ed7826c740a0 1.74beta rc1
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diff changeset
339 incf average_divesecs+1,F ; increase stopwatch registers
0
96a35aeda5f2 Initial setup
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340
96a35aeda5f2 Initial setup
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341 btfss divemode2 ; displayed divetime is running?
96a35aeda5f2 Initial setup
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342 bra RTCisr2 ; No (e.g. too shallow)
96a35aeda5f2 Initial setup
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parents:
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343
96a35aeda5f2 Initial setup
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344 incf divesecs,F ; increase divetime registers
96a35aeda5f2 Initial setup
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345 movlw d'59'
96a35aeda5f2 Initial setup
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346 cpfsgt divesecs
96a35aeda5f2 Initial setup
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347 bra RTCisr1a
238
9581e48a914f Some cleanup in the ISR
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diff changeset
348
0
96a35aeda5f2 Initial setup
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349 clrf divesecs
96a35aeda5f2 Initial setup
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350 bsf realdive ; this bit is always set (again) if the dive is longer then one minute
96a35aeda5f2 Initial setup
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351
96a35aeda5f2 Initial setup
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352 incf divemins+0,F ; increase divemins
96a35aeda5f2 Initial setup
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353 btfsc STATUS,Z
96a35aeda5f2 Initial setup
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354 incf divemins+1,F ; and now do the realtime clock routine anyway
96a35aeda5f2 Initial setup
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355
96a35aeda5f2 Initial setup
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diff changeset
356 RTCisr1a:
96a35aeda5f2 Initial setup
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357 btfss FLAG_apnoe_mode ; Are we in Apnoe mode?
96a35aeda5f2 Initial setup
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358 bra RTCisr2 ; No, skip the following
96a35aeda5f2 Initial setup
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diff changeset
359
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
360 incf apnoe_secs,F ; increase descent registers
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
361 movlw d'59'
96a35aeda5f2 Initial setup
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parents:
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362 cpfsgt apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
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diff changeset
363 bra RTCisr2
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
364 clrf apnoe_secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
365
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
366 incf apnoe_mins,F ; increase descent mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
367 ; Now, do the RTC routine....
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
368 RTCisr2:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
369 incf secs,F ; adjusts seconds, minutes, hours, day, month and year. Checks for a leap year and works until 2099!
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
370 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
371 cpfsgt secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
372 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
373 clrf secs
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
374 bsf oneminupdate
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
375 incf mins,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
376 movlw d'59'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
377 cpfsgt mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
378 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
379 clrf mins
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
380 incf hours,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
381 movlw d'23'
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
382 cpfsgt hours
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
383 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
384 clrf hours
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
385 incf day,F
43
65d5b0c8da41 New CF48, changed CF15
heinrichsweikamp
parents: 21
diff changeset
386 movff time_correction_value,secs ; Correct too slow clock
13
3b30cd739782 1.53 beta rc2
heinrichsweikamp
parents: 0
diff changeset
387
0
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
388 check_date:
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
389 movff month,isr_divB ; new month?
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
390 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
391 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
392 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
393 movlw .28
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
394 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
395 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
396 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
397 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
398 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
399 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
400 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
401 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
402 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
403 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
404 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
405 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
406 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
407 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
408 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
409 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
410 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
411 movlw .30
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
412 dcfsnz isr_divB,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
413 movlw .31
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
414 cpfsgt day,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
415 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
416 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
417 movwf day
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
418 incf month,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
419 movlw .12
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
420 cpfsgt month,1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
421 return
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
422 movlw .1
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
423 movwf month
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
424 incf year,F
96a35aeda5f2 Initial setup
heinrichsweikamp
parents:
diff changeset
425 return