60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
// Pi1541 - A Commodore 1541 disk drive emulator
|
|
// Copyright(C) 2018 Stephen White
|
|
//
|
|
// This file is part of Pi1541.
|
|
//
|
|
// Pi1541 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 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Pi1541 is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Pi1541. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef ROMs_H
|
|
#define ROMs_H
|
|
|
|
#include "types.h"
|
|
|
|
class ROMs
|
|
{
|
|
public:
|
|
void SelectROM(const char* ROMName);
|
|
|
|
inline u8 Read(u16 address)
|
|
{
|
|
return ROMImages[currentROMIndex][address & 0x3fff];
|
|
}
|
|
inline u8 Read1581(u16 address)
|
|
{
|
|
return ROMImage1581[address & 0x7fff];
|
|
}
|
|
|
|
void ResetCurrentROMIndex();
|
|
|
|
static const int ROM_SIZE = 16384;
|
|
static const int ROM1581_SIZE = 16384 * 2;
|
|
static const int MAX_ROMS = 7;
|
|
|
|
unsigned char ROMImages[MAX_ROMS][ROM_SIZE];
|
|
unsigned char ROMImage1581[ROM1581_SIZE];
|
|
char ROMName1581[256];
|
|
char ROMNames[MAX_ROMS][256];
|
|
bool ROMValid[MAX_ROMS];
|
|
|
|
unsigned currentROMIndex;
|
|
unsigned lastManualSelectedROMIndex;
|
|
|
|
unsigned GetLongestRomNameLen() { return longestRomNameLen; }
|
|
unsigned UpdateLongestRomNameLen( unsigned maybeLongest );
|
|
|
|
protected:
|
|
unsigned longestRomNameLen;
|
|
};
|
|
|
|
#endif
|