(1)ffffh
(2)
assume cs:code
code segment
;编写7ch中断例程的安装
start:
mov ax,cs
mov ds,ax
mov si,offset dot
mov ax,0
mov es,ax
mov di,200h
mov cx,offset dotend-offset dot
cld
rep movsb
;设置7ch中断例程的中断向量
...
[2012-02-20 14:25] 检测题13·1
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[2012-02-19 14:42] 实验12
assume cs:code
code segment
;传送编写的中断处理程序数据
start: mov ax,cs
mov ds,ax
mov si,offset dot
mov ax,0
mov es,ax
mov di,200h
mov cx,offset dotend-offset dot
cld
rep movsb
;设置中断向量
mov ax,0
...
code segment
;传送编写的中断处理程序数据
start: mov ax,cs
mov ds,ax
mov si,offset dot
mov ax,0
mov es,ax
mov di,200h
mov cx,offset dotend-offset dot
cld
rep movsb
;设置中断向量
mov ax,0
...
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[2012-02-18 11:38] 实验11
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 si,0
call letterc
mov ax,4c00h
int 21h
letterc: ...
data segment
db "Beginner's All-purpose Symbolic Instruction Code.",0
data ends
code segment
start: mov ax,data
mov ds,ax
mov si,0
call letterc
mov ax,4c00h
int 21h
letterc: ...
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[2012-02-18 11:37] 检测题11·4
ax=45h...
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[2012-02-17 20:58] 检测题11·3
(1)
jb so
ja so
(2)
jna so
jnb so...
jb so
ja so
(2)
jna so
jnb so...
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[2012-02-16 20:00] 检测题11·2
CF OF SF ZF PF
sub al,al 0 0 0 1 1
mov al,10h 0 0 0 1 1
add al,90h 0 0 1 0 1
mov al,80h 0 0 1 0 1
add al,80h 1 1 0 1 1
mov al,0fch 1 1 0 1 1
add al,05h ...
sub al,al 0 0 0 1 1
mov al,10h 0 0 0 1 1
add al,90h 0 0 1 0 1
mov al,80h 0 0 1 0 1
add al,80h 1 1 0 1 1
mov al,0fch 1 1 0 1 1
add al,05h ...
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[2012-02-16 19:28] 检测题11·1
sub al,al al=0h ZF=1 PF=1 SF=0
mov al,1 al=1h ZF=1 PF=1 SF=0
push ax ax=1h ZF=1 PF=1 SF=0
pop bx bx=1h ZF=1 PF=1 SF=0
add al,bl al=2h ZF=0 PF=0 SF=0 ...
mov al,1 al=1h ZF=1 PF=1 SF=0
push ax ax=1h ZF=1 PF=1 SF=0
pop bx bx=1h ZF=1 PF=1 SF=0
add al,bl al=2h ZF=0 PF=0 SF=0 ...
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[2012-02-16 18:57] 课程设计一中的疑惑
完成了目前对自己来说最难的一个,可中间也发现了一些问题 请路过的朋友帮忙解惑,谢谢了
assume cs:code,es:data,ds:table
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 16,22,382,1356,239...
assume cs:code,es:data,ds:table
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 16,22,382,1356,239...
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[2011-12-25 15:36] 检测点1.1
(1)13
(2)1024,0到1023
(3)8192,1024
(4)1073741824,1048276,1024
(5)8080:64K
8088:1M
80286:4M
80386:4G
(6)8080:1B
8088:1B
8086:2B
80286:2B
80386:4B
(7)512,256
(8)二进制...
(2)1024,0到1023
(3)8192,1024
(4)1073741824,1048276,1024
(5)8080:64K
8088:1M
80286:4M
80386:4G
(6)8080:1B
8088:1B
8086:2B
80286:2B
80386:4B
(7)512,256
(8)二进制...
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