assume cs:code
stack segment
db 16 dup(0)
stack ends
code segment
start:
mov ax,stack
mov ss,ax
mov sp,16
mov ax,1000h
push ax
mov ax,0h
push ax
retf
code ends
end start...
[2013-11-06 23:39] 检查点10.1
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[2013-11-05 22:03] 实验9:看小甲鱼的视频代码怎么在win7系统运行没效果
assume cs:code,ss:stack,ds:data
data segment
db 'welcome to masm!'
db 02h,24h,71h
data ends
stack segment
db 8 dup(0)
stack ends
code segment
start:
mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
xor bx,bx
mov ax,0b872h
mov cx,3
s3:
push cx
push ax
push bx
...
data segment
db 'welcome to masm!'
db 02h,24h,71h
data ends
stack segment
db 8 dup(0)
stack ends
code segment
start:
mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
xor bx,bx
mov ax,0b872h
mov cx,3
s3:
push cx
push ax
push bx
...
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[2013-10-29 23:35] 检查点9.3
jcxz ok...
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[2013-10-29 23:27] 检查点9.2
assume cs:code
code segment
start:
mov ax,2000h
mov ds,ax
mov bx,0
s:
mov ch,0
mov cl,[bx]
jcxz ok
add bx,1
jmp short s
ok:mov dx,bx
mov ax,4c00h
int 21h
code ends
end start...
code segment
start:
mov ax,2000h
mov ds,ax
mov bx,0
s:
mov ch,0
mov cl,[bx]
jcxz ok
add bx,1
jmp short s
ok:mov dx,bx
mov ax,4c00h
int 21h
code ends
end start...
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[2013-10-29 23:15] 检查点9.1
（一） data段中定义数据如下
db 16 dup(0)
(二)补齐程序，使jmp指令执行后,cs:ip执行程序第一条指令
mov ax,data
mov bx,0
mov [bx],bx
mov [bx+2],offset start
jmp dword ptr ds:[0]...
db 16 dup(0)
(二)补齐程序，使jmp指令执行后,cs:ip执行程序第一条指令
mov ax,data
mov bx,0
mov [bx],bx
mov [bx+2],offset start
jmp dword ptr ds:[0]...
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[2013-10-28 22:36] 实验7
assume cs:code,ds:data
data segment
db '1975','1976','1977','1978','1979','1980','1981','1982','1983'
db '1984','1985','1986','1987','1988','1989','1990','1991','1992'
db '1993','1994','1995'
dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
dd 345980,590827,803530,1183000,18...
data segment
db '1975','1976','1977','1978','1979','1980','1981','1982','1983'
db '1984','1985','1986','1987','1988','1989','1990','1991','1992'
db '1993','1994','1995'
dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
dd 345980,590827,803530,1183000,18...
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1