miscemu/int2f.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "registers.h"
   4 #include "wine.h"
   5 #include "miscemu.h"
   6 #include "stddebug.h"
   7 /* #define DEBUG_INT */
   8 #include "debug.h"
   9
  10 int do_int2f_16(struct sigcontext_struct *context);
  11
  12 int do_int2f(struct sigcontext_struct *context)
  13 {
  14         switch((context->sc_eax >> 8) & 0xff)
  15         {
  16         case 0x10: /* share is installed */
  17                 EAX = (EAX & 0xffffff00) | 0xff;
  18                 break;
  19
  20         case 0x15: /* mscdex */
  21                 /* ignore requests */
  22                 return 1;
  23
  24         case 0x16:
  25                 return do_int2f_16(context);
  26
  27         default:
  28                 IntBarf(0x2f, context);
  29         };
  30         return 1;
  31 }
  32
  33
  34 int do_int2f_16(struct sigcontext_struct *context)
  35 {
  36         switch(context->sc_eax & 0xff) {
  37                 case 0x00:
  38                         /* return 'major/minor' for MSWin 3.1 */
  39                         dprintf_int(stddeb,"do_int2f_16 // return 'major/minor' for MSWin 3.1 !\n");
  40                         context->sc_eax = 0x0310;
  41                         return 1;
  42                 case 0x86:
  43                         /* operating in protected mode under DPMI */
  44                         dprintf_int(stddeb,"do_int2f_16 // operating in protected mode under DPMI !\n");
  45                         context->sc_eax = 0x0000;
  46                         return 1;
  47                 case 0x87:
  48                         dprintf_int(stddeb,"do_int2f_16 // return DPMI flags !\n");
  49                         context->sc_eax = 0x0000;               /* DPMI Installed */
  50                         context->sc_ebx = 0x0001;               /* 32bits available */
  51                         context->sc_ecx = 0x04;                 /* processor 486 */
  52                         context->sc_edx = 0x0100;               /* DPMI major/minor */
  53                         context->sc_esi = 0;                    /* # of para. of DOS */
  54                                                                                         /* extended private data */
  55                         return 1;
  56                 default:
  57                         IntBarf(0x2f, context);
  58                 }
  59         return 1;
  60 }
  61
  62