AND DI,0000H
LP1: MOV AL,ARFA[BX][SI] MOV BRTA[SI],AL
INC SI LOOP LP1 QQQ:MOV AH,4CH INT 21H START ENDP CSEG ENDS
END START (1)该程序完成何功能
(2)程序执行到QQQ处,SI= H,DI= H,
BX= H,CX= H,
三十二. 阅读程序
DSEG SEGMENT
DATA1 DW 01H, 2BBH,3CCCH,4DDDH,5EEEH DISP1 DW 3 DSEG ENDS; CSEG SEGMENT
ASSME CS;CSEG,DS:DSEG BEGIN:
MOV AX,DSEG MOV DS,AX MOV CX,DATA1
MOV BX,OFFSET DATA1 ADD BX, DISP1 NEXT:DECBX
MOV AX,[BX+4] LOOP NEXT PPP: MOV AX,4C00H
INT 21H CSEG ENDS
END BEGIN
该程序执行到PPP外:AX= H BX= H
CX= H
11