王爽-实验7问题求助

creator_

assume cs:code
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
;First we have to move the data from data segment to table just as the format below
;year(4byte)(20H)income(4byte)(20H)Number of employees(2byte)(20H)per capita income(2byte)(20H)
;Example
;1975  16 3 23

code segment
start:


mov ax,data
mov ds,ax       ;Later we will move data from it

mov ax,table
mov es,ax       ;Later we will move data into it

xor si,si       ;empty the register si
xor bx,bx       ;empty bx
mov cx,21       ;the data is from 1975-1995 so we have to loop for 21 times

s:              ;the purpose of the loop is to move the data(year) from data segment into table segment
mov ax,ds:[bx]
mov es:[si],ax
add bx,2
mov ax,ds:[bx]
mov es:[si+2],ax
add bx,2
add si,10H
loop s

mov cx,21
xor si,si
xor bp,bp
mov bp,5
s1:             ;the purpose of the loop is to move the data(income) from data segment into table segment
mov ax,ds:[bx]
mov es:[si+bp],ax
add bx,2
mov ax,ds:[bx]
mov es:[si+bp+2],ax

add bx,2
add si,10H

loop s1




xor si,si
xor bp,bp
mov bp,0AH
mov cx,21
s2:            ;the purpose of the loop is to move the data(Number of employees) from data segment into table segment
mov ax,ds:[bx]
mov es:[si+bp],ax
add bx,2
add si,10H
loop s2

mov si,000EH
mov bx,168
xor di,di
mov di,84
mov cx,21
s3:         ;the purpose of the loop is to div the data(income/Number of employees) from data segment into table segment

mov ax,ds:[di]
add di,2
mov dx,ds:[di]
div word ptr ds:[bx]
add bx,2
mov es:[bp+13],ax
loop s3

mov ax,4C00H    ;end the programme
int 21H
code ends
end start

代码运行时报错divide overflow

xiaosi4081

http://www.c-jump.com/CIS77/MLab ... divide_overflow.htm

yjcoke

我只能说代码不是你写的吧

庐阳寒月

你的诉求是什么
哪里有问题啊

庐阳寒月

;实验七


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 345980,590827,803530,1183000,1843000,2759000,3753000,1649000,5937000
 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


codesg segment
                
start:        mov ax,data
                mov ds,ax
                mov ax,table
                mov es,ax
                mov bx,0
                mov si,0
                mov di,0
                mov cx,21
                
        s:        mov ax,[bx+0+si]
                mov es:[bp+0],ax
                mov ax,[bx+2+si]
                mov es:[bp+2],ax
                
                mov ax,[bx+84+si]
                mov es:[bp+5],ax
                mov ax,[bx+86+si]
                mov es:[bp+7],ax
                
                mov ax,[bx+168+di]
                mov es:[bp+10],ax
                
                mov dx,[bx+86+si]
                mov ax,[bx+84+si]
                div word ptr [bx+168+di]
                mov word ptr es:[bp+13],ax
                add si,4
                add di,2
                add bp,16
        
                loop s
                
                mov ax,4C00h
                int 21h
        
codesg ends

end start