1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 2 * Mupen64plus - sram.h * 3 * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * 4 * Copyright (C) 2014 Bobby Smiles * 5 * * 6 * This program is free software; you can redistribute it and/or modify * 7 * it under the terms of the GNU General Public License as published by * 8 * the Free Software Foundation; either version 2 of the License, or * 9 * (at your option) any later version. * 10 * * 11 * This program is distributed in the hope that it will be useful, * 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 14 * GNU General Public License for more details. * 15 * * 16 * You should have received a copy of the GNU General Public License * 17 * along with this program; if not, write to the * 18 * Free Software Foundation, Inc., * 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * 20 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 21 22 #ifndef M64P_PI_SRAM_H 23 #define M64P_PI_SRAM_H 24 25 #include <stdint.h> 26 27 struct pi_controller; 28 29 enum { SRAM_SIZE = 0x8000 }; 30 31 struct sram 32 { 33 /* external sram storage */ 34 void* user_data; 35 void (*save)(void*); 36 uint8_t* data; 37 }; 38 39 void init_sram(struct sram* sram, void* user_data, void (*save)(void*), uint8_t* data); 40 41 void sram_save(struct sram* sram); 42 43 void format_sram(uint8_t* sram); 44 45 void dma_write_sram(struct pi_controller* pi); 46 void dma_read_sram(struct pi_controller* pi); 47 48 #endif 49