196s15.asm

上课老师给的8086仿真器

$INCLUDE(8096.INC)
CSEG AT 2A60H
	LD 18H,#00E0H
START:	LD 20H,#0FFFFH
        LDB 1AH,#00H
	LD 1EH,#8000H
BEGIN:	STB 1AH,[1EH]
        ADDB 1AH,#04H
	DEC 20H
	JNE BEGIN
	LD 20H,#0900H
        LDB 1AH,#00H
LOW:	STB 1AH,[1EH]
        ADDB 1AH,#04H
        CMPB 1AH,#00H
	JNE LOW
        SUBB 1AH,#04H
HIGH:	STB 1AH,[1EH]
        SUBB 1AH,#04H
        CMPB 1AH,#00H
	JNE HIGH
	DEC 20H
	JNE LOW
	LJMP START
	END