最開始寫的有很多迴圈的（容易理解，但複雜性高）
assume cs:code,ss:執行結果如下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
dw 0,0,0,0,0,0,0,0
stack ends
code segment
start:
movax,data
movds,ax
movax,table
moves,ax
movax,stack
movss,ax
movsp,10h
mov bx,0
mov bp,0
mov cx,21
s:push
cx
mov si,0
mov cx,4
s0:mov
al,[bx+si]
moves:
[bp+si],al
incsi
loop s0
mov al,'
'mov
es:[bp+si+1
],al
add bx,4
add bp,16
popcx
loop s
mov bx,84
mov bp,5
mov cx,21
s1:mov ax,ds:
[bx]
mov dx,ds:[bx+2
]
moves:
[bp],ax
moves:[bp+2
],dx
mov al,'
'mov
es:[bp+4
],al
add bx,4
add bp,16
loop s1
mov bx,168
mov bp,10
mov cx,21
s2:mov ax,ds:
[bx]
moves:
[bp],ax
mov al,'
'mov
es:[bp+2
],ax
add bx,2
add bp,16
loop s2
mov bx,84
mov si,168
mov bp,13
mov cx,21
s3:mov ax,ds:
[bx]
mov dx,ds:[bx+2
]
div word ptr ds:
[si]
moves:
[bp],ax
mov al,'
'mov
es:[bp+2
],al
add si,2
add bx,4
add bp,16
loop s3
movax,4c00h
int21h
code ends
end start
修改後，只剩下乙個迴圈，**複製性減少了很多
assume cs:code,ss:執行結果如下：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
dw 0,0,0,0,0,0,0,0
stack ends
code segment
start:
movax,data
movds,ax
movax,table
moves,ax
movax,stack
movss,ax
movsp,10h
mov bx,0
mov bp,0
mov si,0
mov cx,21
s:mov ax,ds:
[bx]
moves:
[bp],ax
mov ax,ds:[bx+2
]
moves:[bp+2
],ax
mov al,'
'mov
es:[bp+4
],al
mov ax,ds:[bx+84
]
mov dx,ds:[bx+84+2
]
moves:[bp+5
],ax
moves:[bp+7
],dx
mov al,'
'mov
es:[bp+9
],al
mov ax,ds:[si+168
]
moves:[bp+10
],ax
mov al,'
'mov
es:[bp+12
],ax
mov ax,ds:[bx+84
]
mov dx,ds:[bx+84+2
]
div word ptr ds:[si+168
]
moves:[bp+13
],ax
mov al,'
'mov
es:[bp+15
],al
add bp,16 //->用來表示table表內的記憶體偏移位址（用來控制table表的行數，以及間接地表示記憶體偏移位址）
add bx,4 //->用來表示dd性與字串型資料的偏移位址（每讀取一段資料後，需移動四個位元組
）add si,2 //->>用來表示dw性資料的偏移位址(每讀取一段資料後，只需移動兩個位元組)
loop s
movax,4c00h
int21h
code ends
end start
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