flash.h

//---------------------------------------------------------------------------
//	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. See also the license.txt file for
//	additional informations.
//---------------------------------------------------------------------------

//
// Flash chip emulation by Flavor
//   with ideas from Koyote (who originally got ideas from Flavor :)
// for emulation of NGPC carts
//

#define NO_COMMAND              0x00
#define COMMAND_BYTE_PROGRAM    0xA0
#define COMMAND_BLOCK_ERASE     0x30
#define COMMAND_CHIP_ERASE      0x10
#define COMMAND_INFO_READ       0x90


extern unsigned char currentCommand;//what command are we currently on (if any)

void flashChipWrite(unsigned long addr, unsigned char data);
void vectFlashWrite(unsigned char chip, unsigned int to, unsigned char *fromAddr, unsigned int numBytes);
void vectFlashErase(unsigned char chip, unsigned char blockNum);
void vectFlashChipErase(unsigned char chip);
void setFlashSize(unsigned long romSize);
void flashShutdown();
unsigned char flashReadInfo(unsigned long addr);


extern unsigned char needToWriteFile;
void writeSaveGameFile();

#define WRITE_SAVEGAME_IF_DIRTY if(needToWriteFile) writeSaveGameFile();//we found a dirty one, so write the file