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comparison code_part1/OSTC_code_asm_part1/menu_logbook.asm @ 384:904863f96582 64kByte Logbook

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Work-Around for "Reset all" overwriting 0x00 to 0x04 in EEPROM Bank1
author heinrichsweikamp
date Sat, 18 Jun 2011 11:26:22 +0200
parents f2d5d93b4ca3
children ab962c4b19d6
comparison
equal deleted inserted replaced
383:d7a70654d968 384:904863f96582
1272 call PLED_boot 1272 call PLED_boot
1273 call PLED_ClearScreen ; Clear screen 1273 call PLED_ClearScreen ; Clear screen
1274 movlw color_red 1274 movlw color_red
1275 call PLED_set_color ; Set to Red 1275 call PLED_set_color ; Set to Red
1276 DISPLAYTEXTH d'303' ; Please wait! 1276 DISPLAYTEXTH d'303' ; Please wait!
1277 movlw LOW 0x100 1277 clrf EEADR
1278 movwf EEADR 1278 movlw d'1'
1279 movlw HIGH 0x100
1280 movwf EEADRH 1279 movwf EEADRH
1281 movlw 0xAA 1280 movlw 0xAA
1282 movwf EEDATA 1281 movwf EEDATA
1283 call write_eeprom ; write 0xAA to indicate the logbook is already converted 1282 call write_eeprom ; write 0xAA to indicate the logbook is already converted
1284 ;return 1283 clrf EEADRH ; Restore EEADRH
1285 ; convert logbook: 1284 ; convert logbook:
1286 ; Step 1: Copy 32k from 0xFE + 1 with bank switching to bank1 1285 ; Step 1: Copy 32k from 0xFE + 1 with bank switching to bank1
1287 ; Step 2: Copy 32k from bank1 to bank0 1286 ; Step 2: Copy 32k from bank1 to bank0
1288 ; Step 3: delete bank1 1287 ; Step 3: delete bank1
1289 call get_free_EEPROM_location ; Searches 0xFD, 0xFD, 0xFE and sets Pointer to 0xFE 1288 call get_free_EEPROM_location ; Searches 0xFD, 0xFD, 0xFE and sets Pointer to 0xFE