锯齿波.txt

上课老师给的8086仿真器

CODE SEGMENT
ASSUME CS:CODE
DAPORT	EQU 0020H
	ORG 10b0H
START:	JMP DACONTORL
DACONTORL:MOV DX,DAPORT
	MOV AL,00H
DACON1: OUT DX,AL
	INC AL
	MOV CX,08H
DACON2: LOOP DACON2
	JMP DACON1
CODE ENDS
END START