- [qiangzi] 最大转移量是-128好像不对,博主自己再思考一下 02/01 17:06
- [auty95] 是的 我今天找到command.com了,我已经更新了 请问,有什么具体的深层次的区别吗? 10/29 17:05
- [mess] command和cmd虽然看着很相似,但是是有区别的。 10/29 15:21
- [mess] 博主继续加油^_^ 10/27 16:01
- [tinyparticle] 正确 10/21 19:04
- [tinyparticle] 正确 10/21 19:03
- [auty95] 呵呵 我白天上班没有时间,只有晚上学点,一周两章有些快,所以我对于有些简单的感觉没什么问题的题目 10/20 19:32
- [auty95] 呵呵 谢谢 10/20 19:30
- [auty95] 哦 谢谢您了 我现在明白了 10/20 19:29
- [游客] 理解的没问题,第6题博主的回答到时很省事啊。呵呵 10/20 14:40
[2009-11-09 08:58] 实验十四
assume cs:code,ds:data
data segment
db 6 dup(0)
db 12 dup(0)
data ends
code segment
start: mov ax,data
mov ds,ax
mov ax,0B800H
mov es,ax
mov si,0
mov di,0
mov bx,6
mov dx,0
mov cx,6
mov al,9
out 7...
data segment
db 6 dup(0)
db 12 dup(0)
data ends
code segment
start: mov ax,data
mov ds,ax
mov ax,0B800H
mov es,ax
mov si,0
mov di,0
mov bx,6
mov dx,0
mov cx,6
mov al,9
out 7...
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[2009-11-09 08:57] 检测点14.2
assume cs:code
code segment
start: mov al,5
mov dl,al
shl al,1
mov cl,3
shl dl,cl
add al,dl
mov ax,4c00H
int 21H
code ends
end start...
code segment
start: mov al,5
mov dl,al
shl al,1
mov cl,3
shl dl,cl
add al,dl
mov ax,4c00H
int 21H
code ends
end start...
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[2009-11-09 08:57] 检测点14.1 第二题
assume cs:code
code segment
start:
mov al,2
out 70H,al
mov al,0
out 71H,al
mov ax,4c00H
int 21H
code ends
end start...
code segment
start:
mov al,2
out 70H,al
mov al,0
out 71H,al
mov ax,4c00H
int 21H
code ends
end start...
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[2009-11-09 08:56] 检测点14。1 第一题
assume cs:code
code segment
start: mov ax,0B800H
mov es,ax
mov ah,0
mov al,2
out 70H,al
in al,71H
call show_data
nop
nop
nop
nop
mov ax,4c00H
int 21H
show_data:
mov bl,al
mov cl,...
code segment
start: mov ax,0B800H
mov es,ax
mov ah,0
mov al,2
out 70H,al
in al,71H
call show_data
nop
nop
nop
nop
mov ax,4c00H
int 21H
show_data:
mov bl,al
mov cl,...
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[2009-11-09 08:55] 实验十三 第三题
assume cs:code
code segment
s1: db 'good,better,best','$'
s2: db 'never,let,it,rest','$'
s3: db 'till,good,is,better','$'
s4: db 'and,better,best','$'
s: dw offset s1,offset s2,offset s3,offset s4
row: db 2,4,6,8
start: mov ax,cs
mov ds,ax
mov bx,offset s
mov si,...
code segment
s1: db 'good,better,best','$'
s2: db 'never,let,it,rest','$'
s3: db 'till,good,is,better','$'
s4: db 'and,better,best','$'
s: dw offset s1,offset s2,offset s3,offset s4
row: db 2,4,6,8
start: mov ax,cs
mov ds,ax
mov bx,offset s
mov si,...
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[2009-11-09 08:54] 实验十三 第二题
=====================================================
装入程序:
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov ax,0
mov es,ax
mov si,offset s
mov di,200H
mov cx,offset send-offset s
cld
rep movsb
mov ax,0
...
装入程序:
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov ax,0
mov es,ax
mov si,offset s
mov di,200H
mov cx,offset send-offset s
cld
rep movsb
mov ax,0
...
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[2009-11-09 08:53] 实验十三 第一题
====================================================
装入程序:
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov si,offset s
mov ax,0
mov es,ax
mov di,200h
mov cx,offset send-offset s
cld
rep movsb
mov ax,0
...
装入程序:
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov si,offset s
mov ax,0
mov es,ax
mov di,200h
mov cx,offset send-offset s
cld
rep movsb
mov ax,0
...
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[2009-11-09 08:50] 检测点13.1
(1)7ch模拟loop功能最大位移是-128;
(2)7ch模拟jmp near ptr s功能
装入程序:
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov ax,0
mov es,ax
mov si,offset int7c
mov di,200H
mov cx,offset int7cend-offset int7c
cld
rep movsb
...
(2)7ch模拟jmp near ptr s功能
装入程序:
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov ax,0
mov es,ax
mov si,offset int7c
mov di,200H
mov cx,offset int7cend-offset int7c
cld
rep movsb
...
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[2009-11-06 14:32] 实验十二
assume cs:code
code segment
start: mov ax,cs
mov ds,ax
mov ax,0
mov es,ax
mov di,200h
mov si,offset do0
mov cx,offset do0end-offset do0
cld
rep movsb
mov ax,0
mov es,ax
mov ax,200h
mov es:[0...
code segment
start: mov ax,cs
mov ds,ax
mov ax,0
mov es,ax
mov di,200h
mov si,offset do0
mov cx,offset do0end-offset do0
cld
rep movsb
mov ax,0
mov es,ax
mov ax,200h
mov es:[0...
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[2009-11-05 15:51] 试验十一
assume cs:code,ds:data
data segment
db "Beginner's All-purpose Symbolic Instruction Code.",0
data ends
code segment
start: mov ax,data
mov ds,ax
mov ax,0B800H
mov es,ax
call letterc
call show_data
mov ax,4c00H
int 21...
data segment
db "Beginner's All-purpose Symbolic Instruction Code.",0
data ends
code segment
start: mov ax,data
mov ds,ax
mov ax,0B800H
mov es,ax
call letterc
call show_data
mov ax,4c00H
int 21...
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