reactos/boot/freeldr/freeldr/arch/i386/xboxcons.c

   1 /* $Id: xboxcons.c 43790 2009-10-27 10:34:16Z dgorbachev $
   2  *
   3  *  FreeLoader
   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; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include <freeldr.h>
  21
  22 static unsigned CurrentCursorX = 0;
  23 static unsigned CurrentCursorY = 0;
  24 static unsigned CurrentAttr = 0x0f;
  25
  26 VOID
  27 XboxConsPutChar(int c)
  28 {
  29   ULONG Width;
  30   ULONG Height;
  31   ULONG Depth;
  32
  33   if ('\r' == c)
  34     {
  35       CurrentCursorX = 0;
  36     }
  37   else if ('\n' == c)
  38     {
  39       CurrentCursorX = 0;
  40       CurrentCursorY++;
  41     }
  42   else if ('\t' == c)
  43     {
  44       CurrentCursorX = (CurrentCursorX + 8) & ~ 7;
  45     }
  46   else
  47     {
  48       XboxVideoPutChar(c, CurrentAttr, CurrentCursorX, CurrentCursorY);
  49       CurrentCursorX++;
  50     }
  51   XboxVideoGetDisplaySize(&Width, &Height, &Depth);
  52   if (Width <= CurrentCursorX)
  53     {
  54       CurrentCursorX = 0;
  55       CurrentCursorY++;
  56     }
  57 }
  58
  59 BOOLEAN
  60 XboxConsKbHit(VOID)
  61 {
  62   /* No keyboard support yet */
  63   return FALSE;
  64 }
  65
  66 int
  67 XboxConsGetCh(void)
  68 {
  69   /* No keyboard support yet */
  70   while (1)
  71     {
  72       ;
  73     }
  74
  75   return 0;
  76 }
  77
  78 /* EOF */