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/*
* Copyright (C) 2002-2004 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __CALLBACK_H
#define __CALLBACK_H
#include <mem.h>
typedef Bitu (*CallBack_Handler)(void);
extern CallBack_Handler CallBack_Handlers[];
enum { CB_RETF,CB_IRET,CB_IRET_STI };
#define CB_MAX 1024
#define CB_SEG 0xC800
#define CB_BASE (CB_SEG << 4)
enum {
CBRET_NONE=0,CBRET_STOP=1
};
extern Bit8u lastint;
INLINE RealPt CALLBACK_RealPointer(Bitu callback) {
return RealMake(CB_SEG,callback << 4);
}
Bitu CALLBACK_Allocate();
void CALLBACK_Idle(void);
void CALLBACK_RunRealInt(Bit8u intnum);
void CALLBACK_RunRealFar(Bit16u seg,Bit16u off);
bool CALLBACK_Setup(Bitu callback,CallBack_Handler handler,Bitu type,const char* description=0);
bool CALLBACK_SetupAt(Bitu callback,CallBack_Handler handler,Bitu type,Bitu linearAddress, const char* description=0);
const char* CALLBACK_GetDescription(Bitu callback);
bool CALLBACK_Free(Bitu callback);
void CALLBACK_SCF(bool val);
void CALLBACK_SZF(bool val);
#endif
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