mirror of
https://github.com/RetroDECK/Supermodel.git
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195 lines
4.4 KiB
C++
195 lines
4.4 KiB
C++
/**
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** Supermodel
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** A Sega Model 3 Arcade Emulator.
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** Copyright 2011-2021 Bart Trzynadlowski, Nik Henson, Ian Curtis,
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** Harry Tuttle, and Spindizzi
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**
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** This file is part of Supermodel.
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**
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** Supermodel is free software: you can redistribute it and/or modify it under
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** the terms of the GNU General Public License as published by the Free
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** Software Foundation, either version 3 of the License, or (at your option)
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** any later version.
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**
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** Supermodel is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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** more details.
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**
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** You should have received a copy of the GNU General Public License along
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** with Supermodel. If not, see <http://www.gnu.org/licenses/>.
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**/
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/*
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* BillBoard.cpp
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*
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* Implementation of the CBillBoard class
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* emulation.
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*
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*/
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/*
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** digits format
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**
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** a
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** -------
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** | |
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** f | | b
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** | g |
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** -------
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** | |
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** e | | c
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** | |
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** -------
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** d (O) h
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**
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** h g f e d c b a
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** msb lsb
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**
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** 0 switch on
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** 1 switch off
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**
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**
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** lamps
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** x x x x x x P2 P1
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** 0 switch on
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** 1 switch off
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**
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**/
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#include "BillBoard.h"
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#include "Supermodel.h"
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#include <cstdio>
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#include <cmath>
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#include <algorithm>
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Game::DriveBoardType CBillBoard::GetType(void)
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{
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return Game::DRIVE_BOARD_BILLBOARD;
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}
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unsigned CBillBoard::GetForceFeedbackStrength()
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{
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return 0;
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}
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void CBillBoard::SetForceFeedbackStrength(unsigned strength)
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{
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}
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void CBillBoard::SaveState(CBlockFile* SaveState)
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{
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CDriveBoard::SaveState(SaveState);
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SaveState->NewBlock("BillBoard", __FILE__);
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SaveState->Write(&m_dip1, sizeof(m_dip1));
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}
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void CBillBoard::LoadState(CBlockFile* SaveState)
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{
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CDriveBoard::LoadState(SaveState);
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if (SaveState->FindBlock("BillBoard") != OKAY)
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{
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ErrorLog("Unable to load billboard state. Save state file is corrupt.");
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return;
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}
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SaveState->Read(&m_dip1, sizeof(m_dip1));
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}
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void CBillBoard::AttachInputs(CInputs* inputs, unsigned gameInputFlags)
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{
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}
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UINT8 CBillBoard::IORead8(UINT32 portNum)
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{
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switch (portNum)
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{
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case 0x20:
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// return the dipswitch
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// 0x80 : test all segments
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return m_dip1;
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case 0x21:
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//DebugLog(" Bill R portnum=%X m_dataSent=%X\n", portNum, m_dataSent);
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return m_dataSent;
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case 0x26:
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//DebugLog(" Bill R portnum=%X m_dataSent=%X\n", portNum, m_dataSent);
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// 0xf0 or 0x0f = no more test lamp
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return 0xff;
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default:
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DebugLog("Unhandled Z80 input on port %u (at PC = %04X)\n", portNum, m_z80.GetPC());
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return 0xff;
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}
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}
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void CBillBoard::IOWrite8(UINT32 portNum, UINT8 data)
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{
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switch (portNum)
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{
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case 0x22: // P1 Digit 1
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//DebugLog("Bill W 0x22 <- %X\n", data);
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if (m_outputs != NULL)
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m_outputs->SetValue(OutputBill1, data);
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m_dataReceived = data;
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break;
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case 0x23: // P1 Digit 2
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//DebugLog("Bill W 0x23 <- %X\n", data);
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if (m_outputs != NULL)
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m_outputs->SetValue(OutputBill2, data);
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m_dataReceived = data;
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break;
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case 0x24: // P2 Digit 1
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//DebugLog("Bill W 0x24 <- %X\n", data);
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if (m_outputs != NULL)
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m_outputs->SetValue(OutputBill3, data);
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m_dataReceived = data;
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break;
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case 0x25: // P2 Digit 2
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//DebugLog("Bill W 0x25 <- %X\n", data);
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if (m_outputs != NULL)
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m_outputs->SetValue(OutputBill4, data);
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m_dataReceived = data;
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break;
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case 0x26: // lamp P1 P2
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//DebugLog("Bill W 0x26 <- %X\n", data);
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if (m_outputs != NULL)
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m_outputs->SetValue(OutputBill5, data);
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m_dataReceived = data;
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break;
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case 0x28:
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//DebugLog("Bill W 0x28 <- %X\n", data);
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if (data == 0x03)
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m_allowInterrupts = true;
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break;
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case 0x2e:
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//DebugLog("Bill W 0x2e <- %X\n", data);
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if (data == 0x00)
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m_initialized = true;
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return;
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default:
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DebugLog("Unhandled Z80 output on port %u (at PC = %04X)\n", portNum, m_z80.GetPC());
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break;
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}
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}
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CBillBoard::CBillBoard(const Util::Config::Node& config)
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: CDriveBoard(config)
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{
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m_dip1 = 0x0f;
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m_simulated = false;
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m_z80Clock = 8.0;
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m_z80NMI = false;
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DebugLog("Built Drive Board (billboard)\n");
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}
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CBillBoard::~CBillBoard(void)
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{
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}
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