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主题 : : 实验9的例题,大家有空看看吧。 [已解决] |
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[帖 主] [ 发表时间:2009-03-27 17:49 ] | |
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注册日期:2009-03-25 17:31 |
下面是实验9的例题。
assume cs:code,ds:data
data segment
db 'ABCDEF'
data ends
code segment
start: mov ax,data
mov ds,ax
mov ax,0b800h
mov es,ax
mov si,0
mov di,0
mov ah,0CAh
mov cx,6
s: mov al,[si]
mov es:[di],ax
inc si
add di,2
loop s
mov ax,4c00h
int 21h
code ends
end start
↓下面的这个不能正确显示为什么呀?各位知道吗?
assume cs:code,ds:data
data segment
db 'ABCDEf'
data ends
code segment
start: mov ax,0b840h
mov es,ax
mov ax,data
mov ds,ax
mov si,0
mov cx,6
s: mov al,[si]
mov es:[si],al
mov word ptr es:[si+1],0CAh
inc si
loop s
mov ax,4c00h
int 21h
code ends
end start | | |
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[第2楼] [ 回复时间:2009-03-28 01:19 ] | |
荣誉值:6
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注册日期:2009-03-18 21:53 |
assume cs:code,ds:data
data segment
db 'ABCDEf'
data ends
code segment
start: mov ax,0b840h
mov es,ax
mov ax,data
mov ds,ax
mov si,0
mov cx,6
s: mov al,[si]
mov es:[si],al ;应该改为按2递加
mov word ptr es:[si+1],0CAh ;应该改为字节
inc si
loop s
mov ax,4c00h
int 21h
code ends
end start | | |
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