8051 Program – triangular wave

; triangular wave generation
; standard 8051
; 8-bt DAC interfaced on P1
	ORG 0H
	PORT EQU P1
START:	MOV PORT,#0
MAIN:
	LCALL TRIANGULARWAVE
	SJMP MAIN
TRIANGULARWAVE:
	MOV R7,#00H
up:
	MOV P1,R7
	INC R7
	CJNE R7,#0FFH,up
	MOV R7,#0FFH
down:
	MOV P1,R7
	DJNZ R7,down
	RET
	END

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List of topics: 8051

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