关于实验7 我写的汇编代码 出现Divide overflow
本帖最后由 pro-serv 于 2013-1-25 00:22 编辑assume cs:codesg
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 16,22,382,1356,2390,8000,24486,50065,97479,140417,197514
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
dw 0,0,0,0,0,0,0,0
stack ends
codesg segment
start:
mov ax,stack
mov ss,ax
mov sp,16
mov ax,table
mov ds,ax
mov bx,0
mov ax,data
mov es,ax
mov bp,0
mov si,168
mov cx,21
s: push cx
mov di,0
mov cx,4
s1: mov al,es:
mov ,al
inc di
loop s1
mov byte ptr ,' '
mov ax,es:
mov dx,es:
mov ,ax
mov ,dx
mov byte ptr ,' '
mov ax,es:
mov ,ax
mov byte ptr ,' '
mov ax,
mov dx,
div word ptr
mov ,ax
mov byte ptr ,' '
add bx,16
add bp,4
add si,2
pop cx
loop s
mov ax,4c00h
int 21h
codesg ends
end start
一次次手动T单步执行循环过后也没事, 但用G命令跳出 MOV AX,4C00H时,就出现Divide overflow .
特来求助,不知道错在哪里了? assume cs:codesg
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
dw 0,0,0,0,0,0,0,0
stack ends
codesg segment
start:
mov ax,stack
mov ss,ax
mov sp,16
mov ax,table
mov ds,ax
mov bx,0
mov ax,data
mov es,ax
mov bp,0
mov si,168
mov cx,21
s: push cx
mov di,0
mov cx,4
s1: mov al,es:
mov ,al
inc di
loop s1
mov byte ptr ,' '
mov ax,es:
mov dx,es:
mov ,ax
mov ,dx
mov byte ptr ,' '
mov ax,es:
mov ,ax
mov byte ptr ,' '
mov ax,
mov dx,
div word ptr
mov ,ax
mov byte ptr ,' '
add bx,16
add bp,4
add si,2
pop cx
loop s
mov ax,4c00h
int 21h
codesg ends
end startDB 总收入时入个了 ‘16000 ’
经过多次DEBUG之后，发现第45行错了，mov ax,es:应该改为 mov ax,es:
我已经定义了SI初始值为168，再加BP就错了
pro-serv 发表于 2013-1-25 00:27 static/image/common/back.gif
DB 总收入时入个了 ‘16000 ’
经过多次DEBUG之后，发现第45行错了，mov ax,es:应该改为 mov ax,es:
...
是什么溢出了。具体的我也不知道。我也碰到过这情况。等高手
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