利用汇编语言编写一道程序，不使用乘法以及除法指令，计算(((

[问答题]

利用汇编语言编写一道程序，不使用乘法以及除法指令，计算(((AX*5)+300h)/2-100h)*8的值。

TestFFFF

mov bx,ax
shl ax, 2
add ax, bx
add ax, 300h
shr ax, 1
sub ax,100h
shl ax, 3

发表于 2021-03-01 18:05:18 回复(0)

Fabulous201903300954972

.386
.model flat, stdcall
option casemap: none

include windows.inc
include kernel32.inc
include user32.inc

includelib kernel32.lib
includelib user32.lib

ExitProcess PROTO,dwexception:dword

.data

szSum dw ?

.code
main PROC
    mov bx,ax
    shl ax,2
    add ax,bx
    add ax,300h
    shr ax,1
    sub ax,100h
    shl ax,3
    mov szSum,ax
INVOKE ExitProcess,0
main ENDP
END main

发表于 2020-08-21 10:40:04 回复(0)