汇编语言的实验7
试了一下,可以运行,但是自己还是有一些疑问,需要看书慢慢消化。assume cs:codesg,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'
; data:
dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514
dd 345980,590827,803530,1183000,1843000,2759000,3753000,5659000,5937000
dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635
dw 8226,11542,14430,15257,17800
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 bp,0
mov di,0
mov cx,21
s0:
push cx
mov si,0
mov cx,4
s1:
mov al,ds:
mov es:,al
inc si
loop s1
; 上面的小循环是将年份的四个字符分别输入进去
mov ax,ds:
mov es:,ax
; 上面的语句是将雇员人数输入至数据中
mov ax,ds:
mov es:,ax
mov dx,ds:
mov es:,dx
; 上面的语句是将收入输入至数据中, 将收入与雇员顺序进行颠倒的原因在于在下面除法的过程中,由于数据超过65535,要用到AX、DX,因此顺序颠倒能使语句减少。
div word ptr es:
mov es:,ax
; 得出人均收入
add di,2
add bx,4
add bp,16
pop cx
loop s0
mov ax,4c00h
int 21h
codesg ends
end start
页:
[1]