miscemu/int26.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "msdos.h"
   4 #include "wine.h"
   5
   6 int do_int26(struct sigcontext_struct *context)
   7 {
   8         BYTE *dataptr = pointer(DS, BX);
   9         DWORD begin, length;
  10
  11         if( (ECX & 0xffff) == 0xffff)
  12         {
  13                 begin = getdword(dataptr);
  14                 length = getword(&dataptr[4]);
  15                 dataptr = (BYTE *) getdword(&dataptr[6]);
  16
  17         } else {
  18                 begin = EDX & 0xffff;
  19                 length = ECX & 0xffff;
  20         }
  21
  22         fprintf(stderr,"int26: abs diskwrite, drive %d, sector %d, count %d,"
  23                 " buffer %d\n", EAX & 0xff, begin, length, (int) dataptr);
  24
  25         ResetCflag;
  26
  27         /* push flags on stack */
  28         SP -= sizeof(WORD);
  29         setword(pointer(SS,SP), (WORD) EFL);
  30
  31         return 1;
  32 }