miscemu/emulate.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include "prototypes.h"
   4 #include "regfunc.h"
   5 #include "stddebug.h"
   6 /* #define DEBUG_INT */
   7 /* #undef  DEBUG_INT */
   8 #include "debug.h"
   9
  10 struct Win87EmInfoStruct {
  11   unsigned short Version;
  12   unsigned short SizeSaveArea;
  13   unsigned short WinDataSeg;
  14   unsigned short WinCodeSeg;
  15   unsigned short Have80x87;
  16   unsigned short Unused;
  17 };
  18
  19 int
  20 WIN87_fpmath()
  21 {
  22   dprintf_int(stddeb, "_fpmath: (%x:%x %x %x)\n",_CONTEXT->sc_cs,
  23          _CONTEXT->sc_eip, _CONTEXT->sc_es, _BX & 0xffff);
  24
  25   switch(_BX & 0xffff)
  26     {
  27     case 11:
  28       return 1;
  29     default:
  30       return 0;
  31     }
  32
  33 }
  34
  35 void
  36 WIN87_WinEm87Info(struct Win87EmInfoStruct *pWIS, int cbWin87EmInfoStruct)
  37 {
  38   dprintf_int(stddeb, "__WinEm87Info(%p,%d)\n",pWIS,cbWin87EmInfoStruct);
  39 }
  40
  41 void
  42 WIN87_WinEm87Restore(void *pWin87EmSaveArea, int cbWin87EmSaveArea)
  43 {
  44   dprintf_int(stddeb, "__WinEm87Restore(%p,%d)\n",
  45         pWin87EmSaveArea,cbWin87EmSaveArea);
  46 }
  47
  48 void
  49 WIN87_WinEm87Save(void *pWin87EmSaveArea, int cbWin87EmSaveArea)
  50 {
  51   dprintf_int(stddeb, "__WinEm87Save(%p,%d)\n",
  52         pWin87EmSaveArea,cbWin87EmSaveArea);
  53 }