Subversion Repositories ao486

static void outb();

static void main();

#asm

use16 386

.text

.org 0xfff0

jmp 0xf000:start_code

#endasm

#asm

.text

.org 0x0000

start_code:

mov ax, #0xf000

mov ds, ax

mov es, ax

mov fs, ax

mov gs, ax

mov ss, ax

mov esp, #0xffec

call _main

end_label:

jmp end_label

.data

.org 0xF000

#endasm

typedef unsigned char  Bit8u;

typedef unsigned short Bit16u;

typedef unsigned short bx_bool;

typedef unsigned long  Bit32u;

  void

  main()

{

    char *txt = "Hello world !";

    int i = 0;

    while(txt[i] != 0) {

        outb(0x8888, txt[i]);

        i++;

    }

}

  void

outb(port, val)

  Bit16u port;

  Bit8u  val;

{

#asm

  push bp

  mov  bp, sp

    push ax

    push dx

    mov  dx, 4[bp]

    mov  al, 6[bp]

    out  dx, al

    pop  dx

    pop  ax

  pop  bp

#endasm

}