pcsx2/pcsx2/MemoryCardProtocol.h

65 lines
1.6 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2022 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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 PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <array>
struct PS1MemoryCardState
{
size_t currentByte = 2;
u8 sectorAddrMSB = 0;
u8 sectorAddrLSB = 0;
u8 checksum = 0;
u8 expectedChecksum = 0;
std::array<u8, 128> buf;
};
// A global class which contains the behavior of each memory card command.
class MemoryCardProtocol
{
private:
PS1MemoryCardState ps1McState;
bool PS1Fail();
void The2bTerminator(size_t length);
void ReadWriteIncrement(size_t length);
void RecalculatePS1Addr();
public:
void ResetPS1State();
void Probe();
void UnknownWriteDeleteEnd();
void SetSector();
void GetSpecs();
void SetTerminator();
void GetTerminator();
void WriteData();
void ReadData();
u8 PS1Read(u8 data);
u8 PS1State(u8 data);
u8 PS1Write(u8 data);
u8 PS1Pocketstation(u8 data);
void ReadWriteEnd();
void EraseBlock();
void UnknownBoot();
void AuthXor();
void AuthF3();
void AuthF7();
};
extern MemoryCardProtocol g_MemoryCardProtocol;