msdos/int3d.c

   1 /*
   2  * DOS interrupt 3d handler.
   3  * Copyright 1997 Len White
   4  */
   5
   6 #include <stdlib.h>
   7 #include "msdos.h"
   8 #include "miscemu.h"
   9 #include "debugtools.h"
  10
  11 DEFAULT_DEBUG_CHANNEL(int);
  12
  13 /**********************************************************************
  14  *          INT_Int3dHandler (WPROCS.161)
  15  *
  16  * Handler for int 3d (FLOATING POINT EMULATION - STANDALONE FWAIT).
  17  */
  18 void WINAPI INT_Int3dHandler(CONTEXT86 *context)
  19 {
  20     switch(AH_reg(context))
  21     {
  22     case 0x00:
  23         break;
  24
  25     case 0x02:
  26     case 0x03:
  27     case 0x04:
  28     case 0x05:
  29     case 0xb:
  30         AH_reg(context) = 0;
  31         break;
  32
  33     default:
  34         INT_BARF( context, 0x3d );
  35     }
  36 }
  37