a55.asm

source code for avr microcontroler on lcd siemens a55

.include "m8def.inc"


	.def		Temp=r16
	.def 		Temp1=r17
	.def 		DS=r18
	.def 		Temp2=r19
	.def		temp3=r20
	.def		temp4=r21
	.def 		data=r22
	.equ		read=3      ;
	.equ		count=2

	.equ		count1=96
	.equ		count2=25
	.equ		adrXL=$C0
	.equ		adrXH=$00



.MACRO POWER
	cbi portd,3
	sbi portd,0
	nop
	nop
	nop
	sbi	portd,3
.ENDMACRO
	
.MACRO DATA_LCD
	nop
	sbi portd,1
	nop
	
.ENDMACRO

.MACRO COM_LCD
	nop
	cbi	portd,1
	nop
.ENDMACRO

.MACRO SCE
	nop
	cbi portd,2
	nop
.ENDMACRO

.MACRO NO_SCE
	nop
	sbi portd,2
	nop
.ENDMACRO
.MACRO SDVIG
	sbi portd,2
	nop
	cbi portd,2
.ENDMACRO

;====================================================
;
;
;====================================================




.dseg
	Digit: .byte 2


.cseg

.org 0


rjmp RESET			;External Pin, Power-on Reset, Brown-out Reset, and Watchdog Reset


reset:
	ldi	temp,LOW(RamEnd)	; 镳铒桉