h512s.asm

上课老师给的8086仿真器

	ORG 0C30H
HA14S:	MOV SP,#53H
	MOV DPTR,#8000H
	MOV A,#0FFH
HA14S1:MOVX @DPTR,A
	LCALL DELAY
HA14S2:	DEC A
	LCALL DELAY
	MOVX @DPTR,A
        CJNE A,#00H,HA14S2
HA14S3: INC A
        MOVX @DPTR,A
        LCALL DELAY
        CJNE A,#0FFH,HA14S3
        SJMP HA14S1
DELAY: MOV R7,#0FFH
DELAY1: MOV R6,#80H
DELAY2: DJNZ R6,DELAY2
        DJNZ R7,DELAY1
        RET
	END