求教

[zhengliyidi]

STACK SEGMENT PARA
STACK_AREA DW 1000 DUP(?)
STACK ENDS
DATA1 SEGMENT PARA
MULTX DW 3206H
DW 2521H ; x=32062521H
MULTY DW 6400H
DW 0A26H ; y=64000A26H
RESULT DW 0
DW 0
DW 0
DW 0
TEMP DW 0
FAG DW 0
NUM DW 0
DATA1 ENDS
CODE SEGMENT PARA
ASSUME CS:CODE,DS:DATA1,SS:STACK
MAIN PROC FAR
MOV AX,DATA1
MOV DS,AX

MOV SI,OFFSET MULTX
MOV AX,[SI]
MUL MULTY
PUSH AX
MOV TEMP,DX ;06 x 21


MOV AX,[SI+2]
MUL MULTY
ADD AX,TEMP
ADC DX,0
PUSH AX
MOV TEMP, DX

MOV AX ,[SI]
MUL MULTY+2
POP BX
ADD AX,BX
ADC DX,0
ADD DX,TEMP
ADC FAG,0
PUSH AX
MOV TEMP,DX

MOV AX,[SI+2]
MUL NUM+2
ADD AX,TEMP
ADC DX,0
ADD AX,FAG
ADC DX,0
POP BX
POP CX
ADD DL ,30H
MOV AH ,2
INT 21

MAIN ENDP
CODE ENDS
END MAIN

[kavinsnow]

楼主想问什么。

[zhuying1983]

楼上是不是在做32位乘法

[zhuying1983]

代码有什么问题

[zhuying1983]

MULTX的高位与MULTY的高位没有乘

[大熊猫侯佩]

楼主要干嘛啊？

[zhengliyidi]

知道了,没有返回dos和没有初始化:)
谢谢大家