ex5114.asm

来自「启东计算机厂实验程序」· 汇编 代码 · 共 22 行

        ORG 0000H
        LJMP HA14S
        ;
        ORG 0030H
HA14S:	MOV SP,#53H
	MOV DPTR,#8000H
HA14S1:	MOV A,#88H
        MOVX @DPTR,A
	LCALL DELAY
HA14S2:	INC A
	MOVX @DPTR,A
	LCALL DELAY
        CJNE A,#0FFH,HA14S2
        SJMP HA14S1

DELAY:  MOV R7,#0FFH
DELAY1: MOV R6,#80H
DELAY2: DJNZ R6,DELAY2
        DJNZ R7,DELAY1
        RET
	END