fm.asm

来自「多个仿真例子」· 汇编 代码 · 共 25 行

	ORG	0
START:	MOV	R2,#0
S1:	MOV	R4,#20
	MOV	R3,#10
	SETB	P1.7
LOOP1:	LCALL	DELAY
	DJNZ	R3,LOOP1
	CLR	P1.7
LOOP2:	LCALL	DELAY
	DJNZ	R4,LOOP2
	MOV	A,R2
	MOV	P1,A
	INC	A
	MOV	R2,A
	CJNE	A,#0AH,S1
	SJMP	START
DELAY:	MOV	R5,#0
D1:	MOV	R6,#0
D2:	MOV	R7,#0
D3:	DJNZ	R7,D3
	DJNZ	R6,D2
	DJNZ	R5,D1
	RET
	END