汇编语言实验7
本帖最后由 观阴大仕 于 2013-4-10 20:45 编辑debug汇编语言实验7,查看原始数据,发现只有年份的数据,后面的收入,人数等都没有,是怎么回事啊?
assume cs:code,ds:data,es: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 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
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
code segment
start: mov ax,data
mov ds,ax
mov ax,table
mov es,ax
mov bx,0
mov si,0
mov cx,21
s: mov ax,ds:
mov dx,ds:2h
mov es:,ax
mov es:2h,dx
mov ax,ds:54h
mov dx,ds:56h
mov es:5h,ax
mov es:7h,dx
mov ax,ds:0a8h
mov es:0ah,ax
div word ptr ds:0a8h
mov es:0ah,ax
add di,2
add bx,4
add si,16
loop s
mov ax,4c00h
int 21h
code ends
end start 1.后面收入、人数未显示,不是没有,只是没显示,可以参考书本:7.2关于ascii码;
2.table段多了一个空格;
3.做除法计算前,注意保护AX,DX中的数据;
4.商的存储位置。
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本人新手,苦苦寻觅入门之路。 本帖最后由 喵星人 于 2013-4-13 22:06 编辑
assume cs:code,ds:data,es: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';ds:0-ds:53
dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
dd 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000 ;ds:54-ds:a7h
dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
dw 11542,14430,15257,17800 ;ds:a8-
data ends
table segment
db 21 dup('year summ ne ?? ')
table ends
code 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,ds:
mov es:,ax
mov ax,ds:
mov es:,ax
mov dx,ds:
mov es:,dx
div word ptr ds:
mov es:,ax
mov ax,ds:
mov es:,ax
mov ax,ds:
mov es:,ax
add di,2h
add si,4h
add bx,10h
loop s
mov ax,4c00h
int 21h
code ends
end start
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