miscemu/emulate.c

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