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主题 : : 我做的试验7 [待解决] |
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注册日期:2010-02-03 13:33 |
assume cs:codesg
data segment
DB '1975', '1976', '1977', '1978', '1979', '1980', '1981', '1982'
DB '1983', '1984', '1985', '1986', '1987', '1988', '1989', '1990'
DB '1991', '1992', '1993', '1994', '1995'
DD 16, 22, 382, 1356, 2390, 8000, 16000, 24486, 50065, 97479, 140417, 197514
DD 345980, 590827, 803530, 118300, 184300, 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
codesg segment
start:
mov ax,data
mov ds,ax
mov ax,table
mov es,ax
mov bx,0
mov si,0
mov cx,21
mov di,0
s:mov ax,0[si]
mov es:[di],ax
mov ax,0[si+2]
mov es:[di+2],ax
mov ax,84[si]
mov es:[di+5],ax
mov ax,84[si+2]
mov es:[di+7],ax
mov ax,168[bx]
mov es:[di+10],ax
mov ax,84[si]
mov ax,84[si+2]
div word ptr es:[di+10]
mov es:[di+13],ax
add si,4
add di,10h
add bx,2
loop s
mov ax,4c00h
int 21h
codesg ends
end start
debug时,最后查看es:0 14f数据,第一次调试和第二次调试结果不一样,然后再次调试就和第二次相同了。这是为什么呢? | | |