汇编“生活”（一）——王爽《汇编语言》实验9程序代码——改变显示器字体颜色

assume    cs:code    ;显示器上显示绿色、绿底红色、白底蓝色字符串‘welcome to masm!‘

data    segment
    db ‘welcome to masm!‘
    db 00000010b,00100100b,01110001b
data    ends

code    segment
    starts:
        mov ax,data
        mov ds,ax
        mov bx,0
        mov ax,0b800H
        mov es,ax
        mov bp,0000H
    
    ;设置‘welcome‘的颜色
    mov dl,ds:[16]
    mov cx,7
    s1:
        mov al,ds:[bx]
        mov es:[bp],al
        mov es:1[bp],dl
        inc bx
        add bp,2
        loop s1
    
    ;设置‘ to‘
    mov al,ds:[bx]
    mov es:[bp],al
    mov dl,00000111b
    inc bx
    add bp,2
    mov dl,ds:[17]
    mov cx,2
    s2:
        mov al,ds:[bx]
        mov es:[bp],al
        mov es:1[bp],dl
        inc bx
        add bp,2
        loop s2
    
    ;设置‘ masm!‘
    mov al,ds:[bx]
    mov es:[bp],al
    mov dl,00000111b
    mov es:1[bp],dl
    inc bx
    add bp,2
    mov dl,ds:[18]
    mov cx,5
    s3:
        mov al,ds:[bx]
        mov es:[bp],al
        mov es:1[bp],dl
        inc bx
        add bp,2
        loop s3
        
    mov ax,4c00H
    int 21H        
        
code    ends

end starts