msdos/interrupts.c

   1 /*
   2  * Interrupt vectors emulation
   3  *
   4  * Copyright 1995 Alexandre Julliard
   5  */
   6
   7 #include <sys/types.h>
   8
   9 #include "windows.h"
  10 #include "drive.h"
  11 #include "miscemu.h"
  12 #include "msdos.h"
  13 #include "module.h"
  14 #include "stackframe.h"
  15 #include "stddebug.h"
  16 #include "debug.h"
  17
  18 static FARPROC16 INT_Vectors[256];
  19
  20
  21 /**********************************************************************
  22  *          INT_GetHandler
  23  *
  24  * Return the interrupt vector for a given interrupt.
  25  */
  26 FARPROC16 INT_GetHandler( BYTE intnum )
  27 {
  28     return INT_Vectors[intnum];
  29 }
  30
  31
  32 /**********************************************************************
  33  *          INT_SetHandler
  34  *
  35  * Set the interrupt handler for a given interrupt.
  36  */
  37 void INT_SetHandler( BYTE intnum, FARPROC16 handler )
  38 {
  39     dprintf_int( stddeb, "Set interrupt vector %02x <- %04x:%04x\n",
  40                  intnum, HIWORD(handler), LOWORD(handler) );
  41     INT_Vectors[intnum] = handler;
  42 }