;安装程序
assume cs:code
code 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,0
mov es,ax
mov word ptr es:[4*7ch+2],0
mov word ptr es:[4*7ch],200h
mov ax,4c00h
int 21h
do0: push cx
mov al,bl
out 70h,al
in al,71h
mov ah,al
mov cl,4
shr ah,cl
and al,00001111b
add ah,30h
add al,30h
pop cx
iret
do0end: mov ax,4c00h
int 21h
code ends
end start
;测试程序
assume cs:code
data segment
db 9,8,7,4,2,0
data ends
code segment
start: mov ax,data
mov ds,ax
mov ax,0b800h
mov es,ax
mov di,160*12+30*2
mov si,0
mov bx,0
mov cx,6
s: mov bl,[si]
int 7ch
mov es:[di],ah
mov es:[di+2],al
cmp cx,4
ja aa
je ba
jb ca
s1: add di,6
inc si
loop s
cmp byte ptr es:[160*12+30*2],31h ;循环显示
je start
mov ax,4c00h
int 21h
aa: mov byte ptr es:[di+4],'/'
jmp s1
ba: mov byte ptr es:[di+4],' '
jmp s1
ca: cmp cx,1
je s1
mov byte ptr es:[di+4],':'
jmp s1
code ends
end start
- [zaixuexi] 我以为是a0=0,a1=1,没仔细看 02/12 09:23
- [yang5731] 不对吧 我的结果应该是对的 N=9时 确实得217 你自己算算。你帮我看看论坛 算法上的程序吧 题 02/11 23:49
- [zaixuexi] 递归不是这么写的哦,我想你肯定没调试过自己写的这代码. 先看C代码吧: unsigned int 02/11 22:58
- [游客] <a href="http://www.playren.com/">整人方法</a> 12/15 17:11
- [wisji8] mov ax,0a0h mul dh mov bx,ax mov ax,2 mul 10/03 16:56
- [yang5731] 谢谢了 课程设计一做出来了 确实不能调用着个····· 08/25 02:50
- [mywiil] 课程设计一要用到这个子程序,这里暂不做评论。 赶紧完成课程设计一吧。 08/21 03:33