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[2011-08-09 16:46] 实验14
assume cs:code
code segment
s:db 9,8,7,4,2,0
start:mov ax,cs
mov ds,ax
mov si,offset s
mov bp,0
mov cx,6
l: push cx
mov al,[si]
out 70h,al
in al,71h
mov ah,al
mov cl,4
shr ah,cl
and al,000011...
code segment
s:db 9,8,7,4,2,0
start:mov ax,cs
mov ds,ax
mov si,offset s
mov bp,0
mov cx,6
l: push cx
mov al,[si]
out 70h,al
in al,71h
mov ah,al
mov cl,4
shr ah,cl
and al,000011...
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[2011-07-25 20:24] 实验11
assume cs:codesg
datasg segment
db "Beginner's All-purpose Symbolic Instruction Code.",0
datasg ends
codesg segment
begin:mov ax,datasg
mov ds,ax
mov si,0
call letterc
mov ax,4c00h
int 21h
letterc:push si
push ax
...
datasg segment
db "Beginner's All-purpose Symbolic Instruction Code.",0
datasg ends
codesg segment
begin:mov ax,datasg
mov ds,ax
mov si,0
call letterc
mov ax,4c00h
int 21h
letterc:push si
push ax
...
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[2011-07-07 15:51] 实验10第3题
assume cs:code
data segment
db 10 dup(0)
data ends
code segment
start:mov ax,60000
mov bx,data
mov ds,bx
mov si,0
call dtoc
mov dh,8
mov dl,3
mov cl,2
mov ax,data
mov ds,ax
mov si,0
ca...
data segment
db 10 dup(0)
data ends
code segment
start:mov ax,60000
mov bx,data
mov ds,bx
mov si,0
call dtoc
mov dh,8
mov dl,3
mov cl,2
mov ax,data
mov ds,ax
mov si,0
ca...
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[2011-07-04 11:03] 实验10第2题
assume cs:code
stack segment
db 32 dup(0)
stack ends
code segment
start:mov ax,stack
mov ss,ax
mov sp,32
mov ax,4240h
mov dx,000fh
mov cx,0ah
call divdw
mov ax,4c00h
int 21h
divdw:push ax
mov ax,dx
mov dx,0...
stack segment
db 32 dup(0)
stack ends
code segment
start:mov ax,stack
mov ss,ax
mov sp,32
mov ax,4240h
mov dx,000fh
mov cx,0ah
call divdw
mov ax,4c00h
int 21h
divdw:push ax
mov ax,dx
mov dx,0...
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[2011-07-01 18:34] 实验10 第1题
assume cs:code
data segment
db 'Welcome to masm!',0
data ends
code segment
start:mov dh,8
mov dl,3
mov cl,2
mov ax,data
mov ds,ax
mov si,0
call show_str
mov ax,4c00h
int 21h
show_str:
push cx
push si
...
data segment
db 'Welcome to masm!',0
data ends
code segment
start:mov dh,8
mov dl,3
mov cl,2
mov ax,data
mov ds,ax
mov si,0
call show_str
mov ax,4c00h
int 21h
show_str:
push cx
push si
...
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[2011-06-14 10:28] 实验3
实验3 实验截图...
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