miscemu/int4b.c

   1 /*
   2  * Int 4B handling
   3  *
   4  */
   5
   6 #include "wine.h"
   7 #include "miscemu.h"
   8 #include "stddebug.h"
   9 /* #define DEBUG_INT */
  10 #include "debug.h"
  11 #include "registers.h"
  12
  13
  14 /***********************************************************************
  15  *           INT_Int4bHandler
  16  *
  17  */
  18 void INT_Int4bHandler( struct sigcontext_struct context )
  19 {
  20
  21   switch(AH_reg(&context))
  22    {
  23         case 0x81: /* Virtual DMA Spec (IBM SCSI interface) */
  24              if(AL_reg(&context) != 0x02) /* if not install check */
  25                 {
  26                  SET_CFLAG(&context);
  27                  AL_reg(&context) = 0x0f; /* function is not implemented */
  28                 }
  29              break;
  30         default:
  31              INT_BARF(&context, 0x4b);
  32     }
  33 }
  34