mirror of
https://github.com/libretro/vemulator-libretro.git
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108 lines
2.8 KiB
C++
108 lines
2.8 KiB
C++
/*
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VeMUlator - A Dreamcast Visual Memory Unit emulator for libretro
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Copyright (C) 2018 Mahmoud Jaoune
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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 3 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef _FLASH_H_
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#define _FLASH_H_
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#include <string.h>
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#include <streams/file_stream.h>
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#include "common.h"
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#include "flashfile.h"
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#include "ram.h"
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class VE_VMS_FLASH
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{
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public:
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VE_VMS_FLASH(VE_VMS_RAM *_ram);
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~VE_VMS_FLASH();
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///Loads raw VMS data to be easily accessed.
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//romType 0: Memory Dump (.bin)
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//romType 1: VMS file
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//romType 2: DCI file
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void loadROM(byte *d, size_t buffSize, int romType, const char *fileName, bool enableSave);
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///Returns raw VMS data and its size
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size_t getROM(byte *out);
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///Returns data
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size_t getData(byte *out);
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//Operations
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///Returns byte at address. (No banking)
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byte getByte(size_t address);
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///Returns byte at address (With banking)
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byte readByte(size_t address);
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//Returns int16 at address (Little-endian)
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int getWord(size_t address);
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///Writes int to address
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void writeByte(size_t address, byte d);
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//Writes int to raw address
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void writeByte_RAW(size_t address, byte d);
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///Writes int16 to address (Little-endian)
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void writeWord(size_t address, byte d);
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///Get block data (512)
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void readBlock(int blockNumber, byte *out);
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///Write data to block (512)
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void writeBlock(int blockNumber, byte *in);
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///Checks if card is corrupt
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bool IsCorrupt();
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///Counts files in directory
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int countFiles();
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//File operations
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///Get file info from directory depending on its index
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VE_VMS_FLASH_FILE getFileAt(int index);
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///Get file info from directory depending on its name
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VE_VMS_FLASH_FILE getFile(const char *name);
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///Counts number of mini-games found in ROM
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int countGames();
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//FAT operations
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///Get data of file from FAT FS
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size_t getFileData(VE_VMS_FLASH_FILE fileinfo, byte *out);
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private:
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//File structure
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byte *userData;
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byte *directory;
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byte *FAT;
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byte *rootBlock;
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byte *data;
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RFILE *flashWriter;
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bool IsRealFlash;
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bool IsSaveEnabled;
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VE_VMS_RAM *ram;
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};
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#endif // _FLASH_H_
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