1 /* gngb, a game boy color emulator 2 * Copyright (C) 2001 Peponas Thomas & Peponas Mathieu 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU Library General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 */ 18 19 20 #ifndef _ROM_H 21 #define _ROM_H 22 23 #include "global.h" 24 #include <stdlib.h> 25 26 /* rom type definition */ 27 #define UNKNOW_TYPE 0x00 28 #define ROM_ONLY 0x01 29 #define MBC1 0x02 30 #define MBC2 0x04 31 #define MBC3 0x08 32 #define MBC5 0x10 33 #define RAM 0x20 34 #define BATTERY 0x40 35 #define TIMER 0x80 36 #define RUMBLE 0x100 37 #define SRAM 0x200 38 #define HUC1 0x400 39 40 extern char *rom_name; 41 extern Sint16 rom_type; 42 43 // rom_gb_suport 44 45 extern Uint8 rom_gb_type; 46 47 typedef struct { 48 Uint16 cycle; 49 Uint8 reg_sel; 50 Uint8 latch; 51 Uint8 reg[5]; 52 Uint8 regl[5]; // register locked 53 }ROM_TIMER; // MBC3 54 55 extern ROM_TIMER *rom_timer; 56 57 int open_rom(char *filename); 58 59 #endif 60 61 62 63 64