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 "debug.h"
  16
  17 static FARPROC16 INT_Vectors[256];
  18
  19
  20 /**********************************************************************
  21  *          INT_GetHandler
  22  *
  23  * Return the interrupt vector for a given interrupt.
  24  */
  25 FARPROC16 INT_GetHandler( BYTE intnum )
  26 {
  27     return INT_Vectors[intnum];
  28 }
  29
  30
  31 /**********************************************************************
  32  *          INT_SetHandler
  33  *
  34  * Set the interrupt handler for a given interrupt.
  35  */
  36 void INT_SetHandler( BYTE intnum, FARPROC16 handler )
  37 {
  38     TRACE(int, "Set interrupt vector %02x <- %04x:%04x\n",
  39                  intnum, HIWORD(handler), LOWORD(handler) );
  40     INT_Vectors[intnum] = handler;
  41 }