eepromwrite.asm

来自「Alarm clock with PIC microcontroller」· 汇编 代码 · 共 40 行

;==============================================================================
; 
;------------------------------------------------------------------------------

;==============================================================================
; Revision History:
;
; 2005-01-01	Initial version
;------------------------------------------------------------------------------

		include ../pic.inc
		
		if      HAS_EEPROM
		
		errorlevel -302
		
		global	EepromWrite
		
;==============================================================================

		code		
EepromWrite:
        	banksel	EECON1
        	bsf     EECON1,WREN
        	movlw   h'55'
        	movwf   EECON2
        	movlw   h'aa'
        	movwf   EECON2
		bsf	EECON1,WR
		banksel PIR1
Wait		btfss   PIR1,EEIF
		goto    Wait
		bcf     PIR1,EEIF
		banksel EECON1
		bcf     EECON1,WREN
		return

                endif
                end