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comparison code_part1/OSTC_code_asm_part1/menu_reset.asm @ 350:7250ca7c8d24 64kByte Logbook

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64kByte logbook (Still incompatible to existing PC software)
author heinrichsweikamp
date Tue, 31 May 2011 19:43:29 +0200
parents 2144f19fa1eb
children 544a96faa9f3
comparison
equal deleted inserted replaced
349:ed137d66ac65 350:7250ca7c8d24
454 454
455 reset_external_eeprom: ; deletes complete external eeprom! 455 reset_external_eeprom: ; deletes complete external eeprom!
456 clrf eeprom_address+0 456 clrf eeprom_address+0
457 clrf eeprom_address+1 457 clrf eeprom_address+1
458 458
459 movlw d'2' 459 movlw d'4'
460 movwf temp3 460 movwf temp3
461 reset_eeprom02: 461 reset_eeprom02:
462 clrf temp4 462 clrf temp4
463 reset_eeprom01: 463 reset_eeprom01:
464 movlw d'64' 464 movlw d'64'
474 call WaitMSSP 474 call WaitMSSP
475 WAITMS d'7' 475 WAITMS d'7'
476 decfsz temp4,F 476 decfsz temp4,F
477 bra reset_eeprom01 ; do this 256 times 477 bra reset_eeprom01 ; do this 256 times
478 decfsz temp3,F 478 decfsz temp3,F
479 bra reset_eeprom02 ; and this all 2 times -> 512 *64Bytes = 32KB 479 bra reset_eeprom02 ; and this all 4 times -> 1024 *64Bytes = 64KB
480 480
481 bcf eeprom_blockwrite ; clear blockwrite flag 481 bcf eeprom_blockwrite ; clear blockwrite flag
482 482
483 clrf eeprom_address+0 483 clrf eeprom_address+0
484 clrf eeprom_address+1 484 clrf eeprom_address+1