Genesis-Plus-GX/source/cart_hw/cart_hw.h
ekeeke31 b08e66855a +added proper license/copyright stuff
~modified file headers
~separated GUI engine from menus
2009-05-13 14:26:55 +00:00

56 lines
2.3 KiB
C

/****************************************************************************
* Genesis Plus
* Cartridge Hardware support
*
* Copyright (C) 2007, 2008, 2009 Eke-Eke (GCN/Wii port)
*
* Lots of protection mechanism have been discovered by Haze
* (http://haze.mameworld.info/)
*
* Realtec mapper has been figured out by TascoDeluxe
*
* 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 _CART_HW_H_
#define _CART_HW_H_
/* Hardware description */
typedef struct
{
uint8 regs[4]; /* internal registers (R/W) */
uint32 mask[4]; /* registers address mask */
uint32 addr[4]; /* registers address */
uint32 realtec; /* bit 0: realtec mapper detected, bit 1: bootrom enabled */
uint32 bankshift; /* cartridge with bankshift mecanism */
unsigned int (*time_r)(unsigned int address); /* !TIME signal ($a130xx) read handler */
void (*time_w)(unsigned int address, unsigned int data); /* !TIME signal ($a130xx) write handler */
unsigned int (*regs_r)(unsigned int address); /* cart hardware region ($400000-$7fffff) read handler */
void (*regs_w)(unsigned int address, unsigned int data); /* cart hardware region ($400000-$7fffff) write handler */
} T_CART_HW;
/* global variables */
T_CART_HW cart_hw;
uint8 j_cart;
uint8 *default_rom;
/* Function prototypes */
extern void cart_hw_reset();
extern void cart_hw_init();
#endif