assume cs:codesg
codesg segment
a dw 1,2,3,4,5,6,7,8
b dd 0
start:mov si,0
mov cx,8
s:mov ax,a[si]
add word ptr b ,ax
adc word ptr b[2] ,0
add si,2
loop s
mov ax,4c00...
- [wildwind] 第二题第二行没看懂,CS明明是0ff0h,为什么后面又变成了1000h? 04/23 10:19
- [wildwind] 其实我在纠结是修改了4次,还是1次。 04/23 10:15
- [wildwind] 关于第二题,我有不同的答案。 要使SA最小,则偏移地址应该最大 SA(min)*16 =2000 04/23 10:12
[2013-10-01 18:39] 检测点16.1
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[2013-10-01 18:38] 检测点16.1
assume cs:codesg
codesg segment
a dw 1,2,3,4,5,6,7,8
b dd 0
start:mov si,0
mov cx,8
s:mov ax,a[si]
add word ptr b ,ax
adc word ptr b[2] ,0
add si,2
loop s
mov ax,4c00...
codesg segment
a dw 1,2,3,4,5,6,7,8
b dd 0
start:mov si,0
mov cx,8
s:mov ax,a[si]
add word ptr b ,ax
adc word ptr b[2] ,0
add si,2
loop s
mov ax,4c00...
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[2013-09-30 16:27] 实验14
assume cs:codesg
datasg segment
db 09h,08h,07h,04h,02h,00h
db '/', '/', ' ', ':', ':', ' '
datasg ends
codesg segment
start:mov ax,datasg
mov ds,ax
mov si,0
add di,0
mov cx,6
mov bp,6
...
datasg segment
db 09h,08h,07h,04h,02h,00h
db '/', '/', ' ', ':', ':', ' '
datasg ends
codesg segment
start:mov ax,datasg
mov ds,ax
mov si,0
add di,0
mov cx,6
mov bp,6
...
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[2013-09-30 13:08] 检测点14.2
assume cs:codesg
codesg segment
start:mov ax,2
push ax
shl ax,1
mov dx,ax
pop ax
mov cl,7
shl ax,cl
mul dx
mov ax,4c00h
int 21h
codesg ends
end s...
codesg segment
start:mov ax,2
push ax
shl ax,1
mov dx,ax
pop ax
mov cl,7
shl ax,cl
mul dx
mov ax,4c00h
int 21h
codesg ends
end s...
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[2013-09-29 19:08] 检测点14.1
检测点14.1
(1)mov al,2
out 70h,al
in al,71h
(2)mov al,2
out 70h,al
mov al,0
out 71h,al...
(1)mov al,2
out 70h,al
in al,71h
(2)mov al,2
out 70h,al
mov al,0
out 71h,al...
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[2013-09-28 11:37] 实验13
(1)
assume cs:codesg
codesg segment
start:mov ax,cs
mov ds,ax
mov si,offset display
mov ax,0
mov es,ax
mov di,200h
mov cx,offset displayend- offset display
cld
rep movsb
...
assume cs:codesg
codesg segment
start:mov ax,cs
mov ds,ax
mov si,offset display
mov ax,0
mov es,ax
mov di,200h
mov cx,offset displayend- offset display
cld
rep movsb
...
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[2013-09-24 16:23] 13.2:
13.2:
(1)正确。
(2)错误...
(1)正确。
(2)错误...
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[2013-09-23 15:28] 检测点13.1:
检测点13.1:
(1)-32769~32767;
(2):assume cs:codesg
codesg segment
start:mov ax,cs
mov ds,ax
mov si,offset narp
mov ax,0
mov es,ax
mov di,200h
mov cx,offset narpend-offset narp
...
(1)-32769~32767;
(2):assume cs:codesg
codesg segment
start:mov ax,cs
mov ds,ax
mov si,offset narp
mov ax,0
mov es,ax
mov di,200h
mov cx,offset narpend-offset narp
...
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[2013-09-02 19:55] 实验12
assume cs:codesg
codesg segment
start:mov ax,cs
mov ds,ax
mov si,offset do0
mov ax,0
mov es,ax
mov di,200h
mov cx,offset do0end-offset do0
cld
rep movsb
mov ax,200h
mov word...
codesg segment
start:mov ax,cs
mov ds,ax
mov si,offset do0
mov ax,0
mov es,ax
mov di,200h
mov cx,offset do0end-offset do0
cld
rep movsb
mov ax,200h
mov word...
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[2013-08-27 14:06] 监测点12.1
(1)0070:018B
(2)
(1)4*N
(2)4*N+2...
(2)
(1)4*N
(2)4*N+2...
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