8章 实验7 没写完 帮看看
实在写不下去了程序代码:
assume cs:code,ds:data,ss:stack ;------------------------stack stack segment db 16 dup (0) stack ends ;------------------------data data segment db '1975','1976','1977','1978','1979','1980','1981','1982','1983' dd '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 ;-----------------------ES table segment db 21 dup ('year summ ne ?? ') table ends ;-----------------------code code segment start:mov ax,data ;段寄存器初始化 mov ax,data mov ds,ax mov ax,table mov es,ax mov ax,stack mov ss,ax mov sp,16 ;寄存器清零 mov ax,0 mov bx,0 mov di,0 mov si,0 mov dx,0 mov cx,20 ; s20: push cx ;13入栈 mov cx,4 s1:mov al,ds:[bx+si] mov es:[bx],al inc bx loop s1 ;bx=3 mov cx,4 mov ax,0 push bx mov bx,0 push bx s2:mov al,[bx+si+84] pop bx; mov es:[bx+2],al inc bx loop s2 ;bx=8 mov cx,2 s3:mov al,[bx+2] mov es:[bx+2],al inc bx loop s3 ;bx=b pop dh pop dl ;dx 高16位 pop ah pop al ;ax 低16位 sub bx div es:[bx] ;bx=a ;ax存余数 add bx,3 ;bx=d mov es:[bx],ax pop cx loop s20 mov ax,4100h int 21h code ends end start