assume cs:code,ds:data
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'
;年份(0~53H)
dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
dd 345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
;总收入(54H~A7H)
dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226
dw 11542,14430,15257,17800
;员工数(A8H~D1H)
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, [bx] ; 写入年份数据,可以以字为单位操作,减少指令数量,发挥16位机优势
mov es:[di],ax
mov ax, [bx+2]
mov es:[di+2], ax
mov ax,54h[bx] ; 写入总收入数据
mov dx,56h[bx]
mov es:5h[di], ax
mov es:7h[di],dx
div word ptr ds:0A8h[si] ;计算并存储人均收入。由于总收入数据已经在ax, 和dx中了,所以将这一步提前,可以减少数据读取
mov es:0Dh[di], ax
mov ax, 0A8h[si] ; 写入人员数量数据
mov es:0Ah[di], ax
add si, 2
add bx, 4
add di, 16
loop s
mov ax, 4c00h
int 21h
code ends
end start