mirror of https://github.com/PCSX2/pcsx2.git
90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2022 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "MultitapProtocol.h"
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#include "Sio.h"
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#define MT_LOG_ENABLE 0
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#define MT_LOG if (MT_LOG_ENABLE) DevCon
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MultitapProtocol g_MultitapProtocol;
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void MultitapProtocol::SupportCheck()
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{
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MT_LOG.WriteLn("%s", __FUNCTION__);
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fifoOut.push_back(0x5a);
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fifoOut.push_back(0x04);
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fifoOut.push_back(0x00);
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fifoOut.push_back(0x5a);
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}
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void MultitapProtocol::Select()
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{
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MT_LOG.WriteLn("%s", __FUNCTION__);
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const u8 newSlot = fifoIn.front();
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fifoIn.pop_front();
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const bool isInBounds = (newSlot < SIO::SLOTS);
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if (isInBounds)
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{
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sio2.slot = newSlot;
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MT_LOG.WriteLn("Slot changed to %d", sio2.slot);
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}
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fifoOut.push_back(0x5a);
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fifoOut.push_back(0x00);
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fifoOut.push_back(0x00);
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fifoOut.push_back(isInBounds ? newSlot : 0xff);
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fifoOut.push_back(isInBounds ? 0x5a : 0x66);
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}
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MultitapProtocol::MultitapProtocol() = default;
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MultitapProtocol::~MultitapProtocol() = default;
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void MultitapProtocol::SoftReset()
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{
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}
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void MultitapProtocol::FullReset()
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{
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SoftReset();
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sio2.slot = 0;
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}
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void MultitapProtocol::SendToMultitap()
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{
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const u8 commandByte = fifoIn.front();
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fifoIn.pop_front();
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fifoOut.push_back(0x80);
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switch (static_cast<MultitapMode>(commandByte))
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{
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case MultitapMode::PAD_SUPPORT_CHECK:
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case MultitapMode::MEMCARD_SUPPORT_CHECK:
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SupportCheck();
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break;
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case MultitapMode::SELECT_PAD:
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case MultitapMode::SELECT_MEMCARD:
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Select();
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break;
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default:
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DevCon.Warning("%s() Unhandled MultitapMode (%02X)", __FUNCTION__, commandByte);
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break;
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}
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}
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