1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2001-2008 H. Peter Anvin - All Rights Reserved
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
8 * Boston MA 02111-1307, USA; either version 2 of the License, or
9 * (at your option) any later version; incorporated herein by reference.
10 *
11 * ----------------------------------------------------------------------- */
12
13 /*
14 * conio.c
15 *
16 * Output to the screen
17 */
18
19 #include <stdarg.h>
20 #include "mystuff.h"
21
putchar(int ch)22 int putchar(int ch)
23 {
24 if (ch == '\n')
25 putchar('\r');
26 asm("movb $0x02,%%ah ; int $0x21": :"d"(ch));
27 return ch;
28 }
29
30 /* Note: doesn't put '\n' like the stdc version does */
puts(const char * s)31 int puts(const char *s)
32 {
33 int count = 0;
34
35 while (*s) {
36 putchar(*s);
37 count++;
38 s++;
39 }
40
41 return count;
42 }
43