2008-08-07 14:26:07 +02:00
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/***************************************************************************************
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* Genesis Plus 1.2a
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* Genesis internals & Bus arbitration
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*
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles Mac Donald (original code)
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* modified by Eke-Eke (compatibility fixes & additional code), GC/Wii port
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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 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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****************************************************************************************/
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#ifndef _GENESIS_H_
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#define _GENESIS_H_
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/* Global variables */
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extern uint8 *cart_rom;
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extern uint8 bios_rom[0x800];
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extern uint8 work_ram[0x10000];
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extern uint8 zram[0x2000];
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extern uint8 zbusreq;
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extern uint8 zbusack;
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extern uint8 zreset;
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extern uint8 zirq;
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extern uint32 zbank;
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extern uint8 gen_running;
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extern uint32 genromsize;
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extern uint32 rom_size;
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extern int32 resetline;
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extern uint8 *rom_readmap[8];
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/* Function prototypes */
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extern void gen_init(void);
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extern void gen_reset(unsigned int hard_reset);
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extern void gen_shutdown(void);
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extern unsigned int gen_busack_r(void);
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extern void gen_busreq_w(unsigned int state);
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extern void gen_reset_w(unsigned int state);
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extern void gen_bank_w(unsigned int state);
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extern int z80_irq_callback(int param);
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extern void set_softreset(void);
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#endif /* _GEN_H_ */
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