汇编语言(第4版)实验7 寻址方式在结构化数据访问中的应用

参考答案:
①经分析,完整程序代码如下。

assume cs:codesg
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 in ')
table ends

codesg segment
start:	mov ax,data
		mov ds,ax
		
		mov ax,table
		mov es,ax
		
		;Calculating per capita income
		mov bx,0
		mov bp,0
		mov si,0
		mov cx,21
s0:		mov ax,[bx+84]  
		mov dx,[bx+86]
		
		;Write summ to table
		mov es:[bp+5],ax 
		mov es:[bp+7],dx
		
		div word ptr [si+168]
		mov es:[bp+13],ax
		
		;Write ne to table
		mov ax,[si+168]
		mov es:[bp+10],ax; 
		
		add bx,4
		add bp,16
		add si,2
		loop s0
		
		;write year to table
		mov bx,0
		mov bp,0
		mov si,0
		mov cx,21
s1:		mov al,[bx]
		mov es:[bp],al
		mov al,[bx+1]
		mov es:[bp+1],al
		mov al,[bx+2]
		mov es:[bp+2],al
		mov al,[bx+3]
		mov es:[bp+3],al
		add bx,4
		add bp,16
		loop s1
		mov ax,4c00h
		int 21h
codesg ends
end start
	

②进入Dos,编译并连接上述程序,结果如下。
汇编语言(第4版)实验7 寻址方式在结构化数据访问中的应用_第1张图片

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