2009-05-02 23:03:37 +02:00
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/*
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* Copyright (C) 2002 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __CALLBACK_H
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#define __CALLBACK_H
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#include <mem.h>
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typedef Bitu (*CallBack_Handler)(void);
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extern CallBack_Handler CallBack_Handlers[];
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enum { CB_RETF,CB_IRET };
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#define CB_MAX 1024
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#define CB_SEG 0xC800
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enum {
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CBRET_NONE=0,CBRET_STOP=1
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};
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extern Bit8u lastint;
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INLINE RealPt CALLBACK_RealPointer(Bitu callback) {
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return RealMake(CB_SEG,callback << 4);
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}
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Bitu CALLBACK_Allocate();
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void CALLBACK_Idle(void);
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void CALLBACK_RunRealInt(Bit8u intnum);
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void CALLBACK_RunRealFar(Bit16u seg,Bit16u off);
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bool CALLBACK_Setup(Bitu callback,CallBack_Handler handler,Bitu type);
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bool CALLBACK_Free(Bitu callback);
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void CALLBACK_SCF(bool val);
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void CALLBACK_SZF(bool val);
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#endif
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