msdos/int10.c

   1 /*
   2  * BIOS interrupt 10h handler
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include "miscemu.h"
   8 #include "stddebug.h"
   9 /* #define DEBUG_INT */
  10 #include "debug.h"
  11
  12
  13 /**********************************************************************
  14  *          INT_Int10Handler
  15  *
  16  * Handler for int 10h (video).
  17  */
  18 void INT_Int10Handler( CONTEXT *context )
  19 {
  20     switch(AH_reg(context))
  21     {
  22     case 0x0f:
  23         AL_reg(context) = 0x5b;
  24         break;
  25
  26     case 0x12:
  27         if (BL_reg(context) == 0x10)
  28         {
  29             BX_reg(context) = 0x0003;
  30             CX_reg(context) = 0x0009;
  31         }
  32         break;
  33
  34     case 0x1a:
  35         BX_reg(context) = 0x0008;
  36         break;
  37
  38     default:
  39         INT_BARF( context, 0x10 );
  40     }
  41 }