mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-12-26 19:21:49 +01:00
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/***************************************************************************************
|
|
* Genesis Plus 1.2a
|
|
* Genesis internals & Bus controller
|
|
*
|
|
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Charles Mac Donald (original code)
|
|
* modified by Eke-Eke (compatibility fixes & additional code), GC/Wii port
|
|
*
|
|
* 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 _GENESIS_H_
|
|
#define _GENESIS_H_
|
|
|
|
/* Global variables */
|
|
extern uint8 *cart_rom;
|
|
extern uint8 bios_rom[0x10000];
|
|
extern uint8 work_ram[0x10000];
|
|
extern uint8 zram[0x2000];
|
|
extern uint8 zbusreq;
|
|
extern uint8 zbusack;
|
|
extern uint8 zreset;
|
|
extern uint8 zirq;
|
|
extern uint32 zbank;
|
|
extern uint8 gen_running;
|
|
extern uint32 genromsize;
|
|
extern int32 resetline;
|
|
|
|
/* Function prototypes */
|
|
extern void gen_init(void);
|
|
extern void gen_reset(uint32 hard_reset);
|
|
extern void gen_shutdown(void);
|
|
extern void gen_busreq_w(uint32 state);
|
|
extern void gen_reset_w(uint32 state);
|
|
extern void gen_bank_w(uint32 state);
|
|
extern int z80_irq_callback(int param);
|
|
extern void set_softreset(void);
|
|
|
|
#endif /* _GEN_H_ */
|
|
|