mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/***************************************************************************************
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* Genesis Plus
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* ROM Loading Support
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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 _LOADROM_H_
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#define _LOADROM_H_
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#define MAXCOMPANY 64
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#define MAXROMSIZE 10485760
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typedef struct
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{
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char consoletype[18]; /* Genesis or Mega Drive */
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char copyright[18]; /* Copyright message */
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char domestic[50]; /* Domestic name of ROM */
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char international[50]; /* International name of ROM */
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char ROMType[4]; /* Educational or Game */
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char product[14]; /* Product serial number */
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unsigned short checksum; /* Checksum */
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char io_support[18]; /* Actually 16 chars :) */
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unsigned int romstart; /* ROM start address */
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unsigned int romend; /* ROM end address */
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char RAMInfo[14]; /* Backup RAM header */
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unsigned int ramstart; /* RAM start address */
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unsigned int ramend; /* RAM end address */
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char modem[14]; /* Sega Modem support */
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char memo[50]; /* Misc */
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char country[18]; /* Country flag */
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} ROMINFO;
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typedef struct
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{
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char companyid[6];
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char company[30];
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} COMPANYINFO;
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typedef struct
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{
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char pID[2];
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char pName[21];
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} PERIPHERALINFO;
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/* Global variables */
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extern ROMINFO rominfo;
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extern COMPANYINFO companyinfo[MAXCOMPANY];
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extern PERIPHERALINFO peripheralinfo[14];
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extern uint16 realchecksum;
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extern uint16 peripherals;
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extern char rom_filename[256];
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/* Function prototypes */
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extern int load_rom(char *filename);
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extern int getcompany();
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extern void set_region();
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#endif /* _LOADROM_H_ */
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