msdos/int10.c

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