mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/***************************************************************************************
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* Genesis Plus
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* Genesis internals & Bus controller
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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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* Eke-Eke (2007,2008,2009), additional code & fixes for the GCN/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 tmss[4];
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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 uint32 zbank;
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extern uint8 zstate;
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extern uint8 pico_current;
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extern uint8 pico_page[7];
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/* Function prototypes */
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extern void gen_init(void);
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extern void gen_hardreset(void);
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extern void gen_softreset(int state);
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extern void gen_shutdown(void);
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extern void gen_tmss_w(unsigned int offset, unsigned int data);
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extern void gen_bankswitch_w(unsigned int data);
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extern unsigned int gen_bankswitch_r(void);
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extern void gen_zbusreq_w(unsigned int state, unsigned int cycles);
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extern void gen_zreset_w(unsigned int state, unsigned int cycles);
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extern void gen_zbank_w(unsigned int state);
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extern int z80_irq_callback(int param);
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#endif /* _GEN_H_ */
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