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annotate src/start.asm @ 235:23311219dacc

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under construction: new hardware_flag to configure different hardware versions
author heinrichsweikamp
date Wed, 25 Feb 2015 16:49:59 +0100
parents 5a4801918be9
children e2ea74646127
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1 ;=============================================================================
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2 ;
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3 ; File start.asm
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4 ;
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5 ; Startup subroutines
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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 ; 2011-08-06 : [mH] moving from OSTC code
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11
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12 #include "ostc3.inc" ; Mandatory header
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13 #include "ms5541.inc"
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14 #include "isr.inc"
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15 #include "shared_definitions.h" ; Mailbox from/to p2_deco.c
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16 #include "eeprom_rs232.inc"
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17 #include "math.inc"
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18 #include "tft.inc"
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19 #include "surfmode.inc"
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20 #include "wait.inc"
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21 #include "rtc.inc"
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22 #include "external_flash.inc"
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23 #include "convert.inc"
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24 #include "strings.inc"
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25 #include "tft_outputs.inc"
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26 #include "adc_lightsensor.inc"
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27 #include "i2c.inc"
0
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28
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29 extern init_ostc3
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30 extern option_restore_all
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31
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32 ;=============================================================================
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33 ; Reset vector: What to do on device wake-up and hard reset.
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34 ;
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35 reset_v code 0x00000
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36 ; goto start
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37 goto 0x1FF00 ; Bootloader
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38
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39 ORG 0x00004 ; Needed for second-level bootloader
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40 goto start
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41 ;=============================================================================
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42 boot CODE
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43 global start
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44
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45 start:
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46 lfsr FSR0,0x000 ; Clear rambank 0-14
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47 clear_rambank:
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48 clrf POSTINC0
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49 movlw 0x0F
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50 cpfseq FSR0H ; Bank 14 done?
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51 bra clear_rambank ; clear...
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52
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53 call init_ostc3
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54 bsf no_sensor_int ; disable sensor interrupt
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55
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56 ; Air pressure compensation after reset
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57 call get_calibration_data ; Get calibration data from pressure sensor
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58 banksel common ; get_calibration_data uses isr_backup
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59 bcf no_sensor_int ; normal sensor interrupt mode
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60
10
55dfc8f6093f sensor status on power-on reset
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61 call TFT_DisplayOff ; display off
55dfc8f6093f sensor status on power-on reset
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62 bsf LEDr ; Status LED
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63 bcf pressure_refresh
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64 ; First pass will not have valid temperature!
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65 btfss pressure_refresh ; Air pressure compensation
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66 bra $-2
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ec4d8503ec45 NEW: user-selectable color schemes
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67 bcf LEDr
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68 ; Second pass
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69 bcf pressure_refresh
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70 btfss pressure_refresh ; Air pressure compensation
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71 bra $-2
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72
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73 clrf rel_pressure+0
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74 clrf rel_pressure+1
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75 clrf surface_interval+0
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76 clrf surface_interval+1
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77
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78 SAFE_2BYTE_COPY amb_pressure, last_surfpressure
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79
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80 movlw LOW max_surfpressure
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81 movff WREG,sub_a+0 ; max. "allowed" airpressure in mbar
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82 movlw HIGH max_surfpressure
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83 movff WREG,sub_a+1 ; max. "allowed" airpressure in mbar
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84 movff last_surfpressure+0,sub_b+0
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85 movff last_surfpressure+1,sub_b+1
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86 call subU16 ; sub_c = sub_a - sub_b
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87 btfss neg_flag ; Is 1080mbar < amb_pressure ?
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88 bra start_copy_pressure ; NO: current airpressure is lower then "allowed" airpressure, ok!
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89
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90 ; not ok! Overwrite with max. "allowed" airpressure
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91 movlw LOW max_surfpressure
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92 movff WREG,last_surfpressure+0 ; max. "allowed" airpressure in mbar
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93 movlw HIGH max_surfpressure
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94 movff WREG,last_surfpressure+1 ; max. "allowed" airpressure in mbar
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95
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96 start_copy_pressure:
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97 movff last_surfpressure+0,last_surfpressure_15min+0
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98 movff last_surfpressure+1,last_surfpressure_15min+1
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99 movff last_surfpressure+0,last_surfpressure_30min+0
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100 movff last_surfpressure+1,last_surfpressure_30min+1 ; Rests all airpressure registers
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101
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102 ; reset deco data for surface mode
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103 movlw d'79'
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104 movff WREG,char_I_N2_ratio ; 79% N2
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105 SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; copy for deco routine
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106 movff int_I_pres_respiration+0,int_I_pres_surface+0 ; copy for desat routine
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107 movff int_I_pres_respiration+1,int_I_pres_surface+1
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108
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109 extern deco_reset
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110 call deco_reset
133
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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111
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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112 call rtc_init ; init clock
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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113
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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114 movlw HIGH .512 ; =2
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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115 movwf EEADRH
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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116 read_int_eeprom .0
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117 clrf EEADRH
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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118 movlw 0xAA
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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119 cpfseq EEDATA ; =0xAA
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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120 bra no_deco_restore ; No
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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121
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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122 extern restore_decodata_from_eeprom
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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123 call restore_decodata_from_eeprom ; Reload deco data and date/time from eeprom
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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124
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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125 no_deco_restore:
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126 call deco_calc_desaturation_time ; calculate desaturation time
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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127 banksel common
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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128 call deco_calc_wo_deco_step_1_min ; calculate deco in surface mode
939f1e83c4c2 BUGFIX: Surface interval was not displayed correctly in some cases
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129 banksel common
0
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130 bcf menubit ; clear menu flag
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8636efc5c6c5 ignore battery menu for cr
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131
0
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132 ; Check for Power-on reset here
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8636efc5c6c5 ignore battery menu for cr
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133 extern new_battery_menu,use_old_batteries
8636efc5c6c5 ignore battery menu for cr
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134 ; *****************************************************************************
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135 ; "new_battery_menu" and "use_old_batteries" 'goto' back to "power_on_return"
8636efc5c6c5 ignore battery menu for cr
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136 ; *****************************************************************************
0
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137
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138 btfsc RCON,POR ; Was this a power-on reset?
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139 goto use_old_batteries ; No, load last stored battery values
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140
215
8636efc5c6c5 ignore battery menu for cr
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141 call lt2942_get_status ; Check for gauge IC
235
23311219dacc under construction: new hardware_flag to configure different hardware versions
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142 btfsc rechargeable ; cR hardware?
215
8636efc5c6c5 ignore battery menu for cr
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143 goto use_old_batteries ; Yes, load last stored battery values
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144
8636efc5c6c5 ignore battery menu for cr
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145 ; No, cR and we have a power-on reset
0
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146 goto new_battery_menu ; show "New battery dialog"
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147
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148 global power_on_return
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149 power_on_return:
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150 bsf RCON,POR ; Set bit for next detection
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151
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152 ; check firmware and reset Custom Functions after an update
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153 movlw d'1'
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154 movwf EEADR
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155 movlw d'1'
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156 movwf EEADRH
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157 call read_eeprom ; read current version x
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158 movff EEDATA,temp1
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159 incf EEADR,F ; set to 0x102
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160 call read_eeprom ; read current version y
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161 movff EEDATA,temp2
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162 clrf EEADRH ; Reset EEADRH
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163
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164 movlw softwareversion_x
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165 cpfseq temp1 ; compare version x
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166 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM
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167
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168 movlw softwareversion_y
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169 cpfseq temp2 ; compare version y
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170 bra check_firmware_new ; is not equal -> reset CF and store new version in EEPROM
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171 bra restart ; x and y are equal -> do not reset cf
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172
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173 check_firmware_new:
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174 call TFT_boot ; Initialize TFT (includes clear screen)
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175 clrf CCPR1L ; Backlight off
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176 WIN_TOP .50
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177 WIN_LEFT .10
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178 movlw LOW 0x1E000
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179 movwf TBLPTRL
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180 movlw HIGH 0x1E000
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181 movwf TBLPTRH
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182 movlw UPPER 0x1E000
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183 movwf TBLPTRU
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184 extern color_image
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185 call color_image ; Show logo
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186 call TFT_standard_color
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187 WIN_SMALL .10,.100
52
0fae975af741 english correction
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188 STRCPY_TEXT_PRINT tNewFirmware1 ; "Update successfull!"
0
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189 WIN_SMALL .10,.140
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190 STRCPY_TEXT tNewFirmware2 ; "New Firmware: "
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191 movlw softwareversion_x
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192 movwf lo
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193 bsf leftbind
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194 output_8
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195 PUTC "."
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196 movlw softwareversion_y
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197 movwf lo
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76dfe320e6ec 1.01 beta start
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198 output_99x
0
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199 bcf leftbind
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200 STRCAT_PRINT "" ; Print second row
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201 call TFT_Display_FadeIn ; Display resulting surface screen.
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202
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203 ; place "after-update reset" here...
93
5e1ef9bf32ec clear pressure sensor compensation upon update
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204
5e1ef9bf32ec clear pressure sensor compensation upon update
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205 extern oPressureAdjust, option_reset, option_save
5e1ef9bf32ec clear pressure sensor compensation upon update
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206 lfsr FSR0,oPressureAdjust
5e1ef9bf32ec clear pressure sensor compensation upon update
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207 call option_reset ; Reset FSR0 option to factory default.
5e1ef9bf32ec clear pressure sensor compensation upon update
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208 lfsr FSR0,oPressureAdjust
5e1ef9bf32ec clear pressure sensor compensation upon update
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209 call option_save ; Save in EEPROM
5e1ef9bf32ec clear pressure sensor compensation upon update
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210
0
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211 movlw d'1' ; store current version in EEPROM
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212 movwf EEADR
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213 movlw d'1'
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214 movwf EEADRH
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215 movlw softwareversion_x
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216 movwf EEDATA
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217 call write_eeprom ; write version x
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218 incf EEADR,F ; set to 0x102
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219 movlw softwareversion_y
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220 movwf EEDATA
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221 call write_eeprom ; write version y
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222 clrf EEADRH ; Reset EEADRH
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223
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224 movlw .7
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225 movwf lo
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226 check_firmware_new2:
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227 ; Wait 1 second
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228 bcf onesecupdate
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229 btfss onesecupdate
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230 bra $-2
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231 decfsz lo,F ; Wait 10 seconds...
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232 bra check_firmware_new2
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233
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234 global restart
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235 restart:
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236 clrf STKPTR ; Never return from here
21
79b2084fd75a Reset options to default if they are not within the allowed min/max values
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237 extern option_save_all, option_check_all
79b2084fd75a Reset options to default if they are not within the allowed min/max values
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238
0
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239 btfsc menubit ; Return from Menu/COMM mode or timeout?
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240 call option_save_all ; Yes, save all settings into EEPROM
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241
220
effd7259f5a5 make button sensitivity configurable (cR hardware)
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242 call option_restore_all ; Restore everything from EEPROM
23
e402813343b6 new option to switch samplingrate between 10s and 2s
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243 call option_check_all ; Check all options (and reset if not within their min/max boundaries)
220
effd7259f5a5 make button sensitivity configurable (cR hardware)
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244 call option_save_all ; Save all settings into EEPROM after they have been checked
23
e402813343b6 new option to switch samplingrate between 10s and 2s
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245
0
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246 clrf flag1 ; clear all flags
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247 clrf flag2
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248 clrf flag3
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249 clrf flag4
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250 clrf flag5
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251 clrf flag6
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252 clrf flag7
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253 clrf flag8
16
7b06f20881be calm compass reading for minor heading changes
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254 clrf flag9
113
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255 clrf flag10
235
23311219dacc under construction: new hardware_flag to configure different hardware versions
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256 clrf hardware_flag ; hardware descriptor flag
23311219dacc under construction: new hardware_flag to configure different hardware versions
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257 bsf tft_is_dimming ; TFT is dimming up (soon), ignore ambient sensor!
23
e402813343b6 new option to switch samplingrate between 10s and 2s
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258
113
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259 call lt2942_get_status ; Check for gauge IC
235
23311219dacc under construction: new hardware_flag to configure different hardware versions
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260 btfsc rechargeable ; cR hardware?
113
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261 call lt2942_init ; Yes, init battery gauge IC
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262
0
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263 ; Select high altitude (Fly) mode?
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264 movff last_surfpressure_30min+0,sub_b+0
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265 movff last_surfpressure_30min+1,sub_b+1
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266 movlw HIGH high_altitude_threshold
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267 movwf sub_a+1
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268 movlw LOW high_altitude_threshold ; Hard-wired 880mbar
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269 movwf sub_a+0
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270 call subU16 ; sub_c = sub_a - sub_b
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271 btfss neg_flag ; Result negative (Ambient>880mbar)?
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272 bsf high_altitude_mode ; No, Set Flag!
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273
235
23311219dacc under construction: new hardware_flag to configure different hardware versions
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274 btfss rechargeable
165
9b82239fa062 testing consumption
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275 bsf TRISB,3
235
23311219dacc under construction: new hardware_flag to configure different hardware versions
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276 btfss rechargeable
165
9b82239fa062 testing consumption
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277 bsf TRISG,0
0
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278 call ext_flash_disable_protection ; Disable write protection for external flash
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279
155
5f71e31bd5b3 CHANGE: Re-arranged Settings Menu, add 180? rotate to menu
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280 bsf flip_screen ; Flip 180°
5f71e31bd5b3 CHANGE: Re-arranged Settings Menu, add 180? rotate to menu
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281 TSTOSS opt_flip_screen ; =1: Flip the screen
5f71e31bd5b3 CHANGE: Re-arranged Settings Menu, add 180? rotate to menu
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282 bcf flip_screen ; Normal orientation
151
5cb177f0948a work on flip screen...
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283
0
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284 goto surfloop ; Jump to Surfaceloop!
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285
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286 ;=============================================================================
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287 ; Setup all flags and parameters for divemode and simulator computations.
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288 ;
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289 global restart_set_modes_and_flags
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290 restart_set_modes_and_flags: ; "Call"ed from divemode, as well!
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291 call option_restore_all ; Restore everything from EEPROM
24
f51caad821b4 save logbook recording interval
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292
f51caad821b4 save logbook recording interval
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293 ; Setup sampling rate
f51caad821b4 save logbook recording interval
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294 movlw .2
f51caad821b4 save logbook recording interval
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295 movwf samplingrate
f51caad821b4 save logbook recording interval
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296 TSTOSS opt_sampling_rate ; =1: 10s, =0: 2s
f51caad821b4 save logbook recording interval
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297 bra restart_set_modes_and_flags1
f51caad821b4 save logbook recording interval
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298 movlw .10
f51caad821b4 save logbook recording interval
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299 movwf samplingrate
f51caad821b4 save logbook recording interval
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300 restart_set_modes_and_flags1:
0
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301 movff opt_dive_mode,lo ; 0=OC, 1=CC, 2=Gauge, 3=Apnea
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302
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303 bcf FLAG_apnoe_mode
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304 bcf FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active
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305 bcf FLAG_gauge_mode ; =1: In Gauge mode
224
5a4801918be9 temporally disable "Copy disable flags from digital input" routine
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306 call disable_ir_s8 ; IR off
0
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307
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308 tstfsz lo
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309 bra restart_set_modes_and_flags2
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310 ; OC Mode
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311 return
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312
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313 restart_set_modes_and_flags2:
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314 decfsz lo,F
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315 bra restart_set_modes_and_flags3
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316 ; CC Mode
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317 bsf FLAG_ccr_mode ; =1: CCR mode (Fixed ppO2 or Sensor) active
187
669b5d00706d CHANGE: Longer timeout (4 min) for calibration menu
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318 call enable_ir_s8 ; Enable IR/S8-Port
0
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319 return
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320
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321 restart_set_modes_and_flags3:
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322 decfsz lo,F
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323 bra restart_set_modes_and_flags4
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324 ; Gauge Mode
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325 bsf FLAG_gauge_mode ; =1: In Gauge mode
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326 return
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327
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328 restart_set_modes_and_flags4:
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329 ; Apnea Mode
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330 bsf FLAG_apnoe_mode
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331 return ; start in Surfacemode
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332
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333 END