王爽 汇编语言程序设计 实验9 （Assembly Language Study）

自己写的，可以实现练习题的要求，而且个人感觉比网上常见的答案还精炼一些。

assume cs:codesg, ds:data
data segment
    db 'welcome to masm!'
    db 00000010B,00100100B,01110001B 
    dw 0b86eh,0b878h,0b882h  
data ends
 
codesg segment
start:  
    mov cx, 3    
    s1:      
        mov ax, data ;set data address
        mov ds, ax         
        mov si, cx   ;set line in ds
        mov ah, data:[15+si]  ;get font 00000010B,00100100B,01110001B
        ADD si,cx    ; Set si to be 6,4,2
        mov ss, data:[17+si] ;get line position of 0b86eh,0b878h,0b882h        push cx
        mov cx, 16
        mov bx, 0
        mov si, 0   
        s:     
            mov al, ds:[bx];individual char from 'welcome to masm!' 
            mov ss:[si+40], ax ; this DX should 'line position'    
            inc bx
            add si, 2
        loop s
        pop cx 
    loop  s1
    mov ax, 4c00h
    int 21h
codesg ends

end start