miscemu/int2f.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "msdos.h"
   4 #include "wine.h"
   5
   6 int do_int2f_16(struct sigcontext_struct *context);
   7
   8
   9 int do_int2f(struct sigcontext_struct *context)
  10 {
  11         switch((context->sc_eax >> 8) & 0xff)
  12         {
  13         case 0x10: /* share isn't installed */
  14                 EAX = (EAX & 0xffffff00) | 0x01;
  15                 break;
  16
  17         case 0x15: /* mscdex */
  18                 /* ignore requests */
  19                 return 1;
  20
  21         case 0x16:
  22                 return do_int2f_16(context);
  23
  24         default:
  25                 IntBarf(0x2f, context);
  26         };
  27         return 1;
  28 }
  29
  30
  31 int do_int2f_16(struct sigcontext_struct *context)
  32 {
  33         switch(context->sc_eax & 0xff) {
  34                 case 0x00:
  35                         /* return 'major/minor' for MSWin 3.1 */
  36                         printf("do_int2f_16 // return 'major/minor' for MSWin 3.1 !\n");
  37                         context->sc_eax = 0x0310;
  38                         return 1;
  39                 case 0x86:
  40                         /* operating in protected mode under DPMI */
  41                         printf("do_int2f_16 // operating in protected mode under DPMI !\n");
  42                         context->sc_eax = 0x0000;
  43                         return 1;
  44                 case 0x87:
  45                         printf("do_int2f_16 // return DPMI flags !\n");
  46                         context->sc_eax = 0x0000;               /* DPMI Installed */
  47                         context->sc_ebx = 0x0001;               /* 32bits available */
  48                         context->sc_ecx = 0x04;                 /* processor 486 */
  49                         context->sc_edx = 0x0100;               /* DPMI major/minor */
  50                         context->sc_esi = 0;                    /* # of para. of DOS */
  51                                                                                         /* extended private data */
  52                         return 1;
  53                 default:
  54                         IntBarf(0x2f, context);
  55                 }
  56         return 1;
  57 }
  58
  59