8086汇编学习小记王爽汇编语言实验7

;16位汇编 BX、BP、SI、DI 才能间接寻址， ax不行
;程序开始时cx大小是程序的长度
;存储器不能到存储器 mov/add

assume cs : codesg, ds : datasg, ss : stacksg

datasg SEGMENT
    db '19751976197719781979','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977','1977'
    dd 16,22,382,1356,2390,8000,16000,24486,50065,97479,140417,197514,345980,590827,803530,1183000,1843000,2759000,3753000,4649000,5937000
    dw 3,7,9,13,28,38,130,220,476,778,1001,1442,2258,2793,4037,5635,8226,11542,14430,15257,17800
datasg ENDS

table SEGMENT
    db 21 dup ('year sumn ne ?? ')
table ENDS

stacksg SEGMENT
    dw 0, 0, 0, 0, 0, 0, 0, 0
stacksg ENDS

codesg SEGMENT
start:    mov ax, datasg
    mov ds, ax
    mov ax, table
    mov es, ax

    mov cx, 21
    mov bx, 0
    mov si, 0
s:    mov ax, [bx]        
    mov es : [si], ax
    mov ax, [bx + 2]
    mov es : [si + 2], ax
    mov byte ptr es : [si + 4], ' '
    add bx, 4
    add si, 16
    loop s

    mov cx, 21
    mov bx, 84
    mov si, 5
s1:    mov ax, [bx]        
    mov es : [si], ax
    mov ax, [bx + 2]
    mov es : [si + 2], ax
    mov byte ptr es : [si + 4], ' '
    add bx, 4
    add si, 16
    loop s1

    mov cx, 21
    mov bx, 168
    mov si, 10
s2:    mov ax, [bx]        
    mov es : [si], ax
    mov byte ptr es : [si + 2], ' '
    add bx, 2
    add si, 16
    loop s2

    mov si, 84
    mov di, 168
    mov bx, 13
    mov cx, 21
s3:    mov ax, [si]
    mov dx, [si + 2]
    div word ptr [di]
    mov es : [bx], ax
    add bx, 16
    add si, 4
    add di, 2
    loop s3
    mov ax, 4c00h
    int 21h
codesg ENDS
END start