[問題] 8051程式的問題...

[FaXin (霏歆)]

        .MODEL SMALL
        .STACK
        .DATA
 port1  equ     3e0h
 port2  equ     3e4h

 port3  equ     3e8h
 table  db      40h,79h,24h,30h,19h,12h,03h,58h,00h
 strg1  db      'program normal end',10,13,'$'
 strg2  db      'No switch set [ON]',10,13,'$'
[ showstr  MACRO   buffer            <==請問這四行的功用是什麼0.0???
           lea dx,buffer
           mov ah,09
           int 21h   ]
           ENDM
          .CODE
 start: mov ax,@data
        mov ds,ax
        lea bx,table
        mov dx,port1
        in al,dx
        mov cl,8
 lp1:
        shr al,1
        jnc pas1
        mov ah,09
        sub ah,cl
        mov al,ah
        xlat table
        out dx,al
        showstr strg1
        jmp exit
 pas1:
        loop lp1
        showstr strg2
 exit:
        mov ah,4ch
        int 21h
        end start






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◆ From: 61.229.194.232
推 costbook:好像不是8051
→ FaXin:是嗎 <囧>
推 final01:這很明顯是x86~那幾行是巨集~功能是可以印出字串