微机原理与接口技术实验指导(12学时)(12)

START:

JMP START0

PA EQU 0FF20H ;字位口 PB EQU 0FF21H ;字形口 PC EQU 0FF22H ;键入口 BUF DB ?,?,?,?,?,?

data1:

db0c0h,0f9h,0a4h,0b0h,99h,92h,82h,0f8h,80h,90h,88h,83h,0c6h,0a1h

db 86h,8eh,0ffh,0ch,89h,0deh,0c7h,8ch,0f3h,0bfh,8FH

START0: CON1: MAXMIN: CON2: X1: X2: EXIT: DISP: DIS1: MOV SI,4000H

MOV CX,0008H CALL MAXMIN CALL BUF1

CALL DISP

JMP CON1

JCXZ EXIT

PUSH SI PUSH CX PUSH BX MOV BH,[SI] MOV BL,BH