msdos/int15.c

   1 /*
   2  * BIOS interrupt 15h handler
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include "miscemu.h"
   8 #include "stddebug.h"
   9 #include "debug.h"
  10
  11
  12 /**********************************************************************
  13  *          INT_Int15Handler
  14  *
  15  * Handler for int 15h (old cassette interrupt).
  16  */
  17 void WINAPI INT_Int15Handler( CONTEXT *context )
  18 {
  19     switch(AH_reg(context))
  20     {
  21     case 0x88: /* get size of memory above 1 M */
  22         AX_reg(context) = 64;  /* FIXME: are 64K ok? */
  23         RESET_CFLAG(context);
  24         break;
  25
  26     default:
  27         INT_BARF( context, 0x15 );
  28     }
  29 }