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主题 : : 实验七，不知道为什么在DEBUG下调试老是提示Divide overflow [待解决] |
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注册日期：2008-12-12 12:10 |
不知道为什么在DEBUG下调试老是提示Divide overflow，查看内存时只有一部分添到指定内存中，将作除法的部分注释掉可以正常运行，下面是我写的程序，每个功能都作了标记：
assume cs:codesg,ds:data,es:table,ss:stack
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 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
dw 11542,14430,15257,17800
data ends
table segment
db 21 dup('year summ ne ?? ')
table ends
stack segment
db 2 dup(0)
stack ends
codesg segment
start:mov ax,data
mov ds,ax
mov ax,table
mov es,ax
mov ax,stack
mov ss,ax
mov sp,0
mov bx,0
mov bp,0
mov si,0
mov cx,21
s0:push cx
mov cx,2
mov di,0
s:mov ax,[bx+si]
mov es:[bp+si],ax
add si,2
loop s
inc si
mov cx,2
s1:mov ax,[bx+di+54h]
mov es:[bp+si],ax
add di,2
add si,2
loop s1
inc si
s2:mov ax,[bx+0a8h]
mov es:[bp+si],ax
inc si
; s3:mov ax,0
; mov dx,0
; mov ax,[bx+54h]
; mov dx,[bx+56h]
; div word ptr [bx+0a8h]
; mov es:[bp+si],ax
mov si,0
pop cx
add bx,4
add bp,16
loop s0
mov ax,4c00h
int 21h
codesg ends
end start | | |
