汇编实验九(请假问题)
assume cs:code,ds:data,ss:stackcode segment
data segment
db 'welcome to masm!'
db 02h,24h,71h
data ends
stack segment
dw 8 dup(0)
stack ends
start: mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
mov sp,10h
mov ax,0b872h
mov es,ax
mov bx,0
mov cx,3
mov bp,0
s: push cx
mov di,0
mov si,0
mov cx,16
s0:mov al,ds:
mov es:,al
inc di
mov al,ds:
mov es:,al
add si,2
loop s0
inc bp
pop cx
add bx,10h
loop s
mov ax,4c00h
int 21h
code ends
end start
出现图片显示的结果,是不是不对的,要是不对应该改代码哪里呢? 我知道是怎么回事了,因为每次bx增加的值是不对的,可是我修改了,bx的增值,还是不对啊,做不到对齐。按理说显卡缓存是每行80个字(160个字节),也是就说,上下应该差A0h,但是添加了A0h,好像还越界了。有没有人,帮帮忙啊!!!! 本帖最后由 3-3 于 2017-6-19 20:25 编辑
assume cs:code,ds:data,ss:stack
data segment
db 'welcome to masm!'
db 02h,24h,71h
data ends
stack segment
dw 8 dup(0)
stack ends
code segment
start: mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
mov sp,10h
mov ax,0b872h
mov es,ax
mov bx,0
mov cx,3
mov bp,0
s: push cx
mov di,0
mov si,0
mov cx,16
s0:mov al,ds:
mov es:,al
inc di
mov al,ds:
mov es:,al
add si,2
loop s0
inc bp
pop cx
add bx,0a0h
loop s
mov ax,4c00h
int 21h
code ends
end start
修改你的代码,得到的图是正确的啊
3-3 发表于 2017-6-19 20:22
修改你的代码,得到的图是正确的啊
好吧,。。。可能是电脑的问题吧,谢谢啦!
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