1-9自加.txt

来自「关于单片机中流水线处理,红绿灯转化等实验」· 文本 代码 · 共 43 行

	ORG	0000H
	JMP	MAIN
	ORG	0030H
MAIN:
	mov	p0,#0ffh
	mov	p1,#0ffh
	mov	p2,#0ffh

	mov	30h,#00h
DISP_LOOP1:
	mov	a,30h
	mov	dptr,#table
	movc	a,@a+dptr

	mov	p0,a
	mov	p2,#11111011b
	call	DELAY

	mov	a,30h
	inc	30h
	CJNE	a,#09,DISP_LOOP1

	JMP	MAIN	
	RET
DELAY:
	MOV	R5,#06H
DELAY_2:
	MOV	R6,#080H
DELAY_1:
	MOV	R7,#080H
DELAY_0:
	NOP
	NOP
	DJNZ	R7,DELAY_0
	DJNZ	R6,DELAY_1
	DJNZ	R5,DELAY_2
	RET
TABLE:	DB 0C0H,0F9H,0A4H,0B0H,099H,092H,082H,0F8H,080H,098H
END