mirror of
https://github.com/RetroDECK/Supermodel.git
synced 2024-11-22 13:55:38 +00:00
Added handling of drive board (if attached)
This commit is contained in:
Nik Henson
parent
07b94f6c32
commit
d7ee278f69
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@ -356,8 +356,12 @@ UINT8 CModel3::ReadInputs(unsigned reg)
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return data;
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case 0x0C: // game-specific inputs
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data = 0xFF;
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if (DriveBoard.IsAttached())
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data = DriveBoard.Read();
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if ((Game->inputFlags&GAME_INPUT_JOYSTICK2))
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{
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data &= ~(Inputs->up[1]->value<<5); // P2 Up
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@ -461,6 +465,12 @@ void CModel3::WriteInputs(unsigned reg, UINT8 data)
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EEPROM.Write((data>>6)&1,(data>>7)&1,(data>>5)&1);
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inputBank = data;
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break;
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case 0x10: // Drive board
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if (DriveBoard.IsAttached())
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DriveBoard.Write(data);
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break;
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case 0x24: // Serial FIFO 1
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switch (data) // Command
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{
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@ -1831,6 +1841,8 @@ void CModel3::SaveState(CBlockFile *SaveState)
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TileGen.SaveState(SaveState);
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GPU.SaveState(SaveState);
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SoundBoard.SaveState(SaveState); // also saves DSB state
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if (DriveBoard.IsAttached())
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DriveBoard.SaveState(SaveState);
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}
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void CModel3::LoadState(CBlockFile *SaveState)
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@ -1864,6 +1876,8 @@ void CModel3::LoadState(CBlockFile *SaveState)
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IRQ.LoadState(SaveState);
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ppc_load_state(SaveState);
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SoundBoard.LoadState(SaveState);
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if (DriveBoard.IsAttached())
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DriveBoard.LoadState(SaveState);
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}
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void CModel3::SaveNVRAM(CBlockFile *NVRAM)
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@ -1906,11 +1920,7 @@ void CModel3::RunFrame(void)
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goto ThreadError;
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// Wake sound board and drive board threads so they can process a frame
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#ifdef SUPERMODEL_DRIVEBOARD
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if (!sndBrdThreadSync->Post() || !drvBrdThreadSync->Post())
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#else
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if (!sndBrdThreadSync->Post())
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#endif
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if (!sndBrdThreadSync->Post() || DriveBoard.IsAttached() && !drvBrdThreadSync->Post())
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goto ThreadError;
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// At the same time, process a single frame for main board (PPC) in this thread
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@ -1921,19 +1931,13 @@ void CModel3::RunFrame(void)
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goto ThreadError;
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// Wait for sound board and drive board threads to finish their work (if they haven't done so already)
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#ifdef SUPERMODEL_DRIVEBOARD
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while (!sndBrdThreadDone || !drvBrdThreadDone)
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#else
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while (!sndBrdThreadDone)
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#endif
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while (!sndBrdThreadDone || DriveBoard.IsAttached() && !drvBrdThreadDone)
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{
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if (!notifySync->Wait(notifyLock))
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goto ThreadError;
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}
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sndBrdThreadDone = false;
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#ifdef SUPERMODEL_DRIVEBOARD
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drvBrdThreadDone = false;
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#endif
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// Leave notify wait critical section
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if (!notifyLock->Unlock())
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@ -1944,9 +1948,8 @@ void CModel3::RunFrame(void)
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// If not multi-threaded, then just process a single frame for main board, sound board and drive board in turn in this thread
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RunMainBoardFrame();
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SoundBoard.RunFrame();
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#ifdef SUPERMODEL_DRIVEBOARD
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DriveBoard.RunFrame();
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#endif
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if (DriveBoard.IsAttached())
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DriveBoard.RunFrame();
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}
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return;
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@ -1965,11 +1968,12 @@ bool CModel3::StartThreads()
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sndBrdThreadSync = CThread::CreateSemaphore(1);
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if (sndBrdThreadSync == NULL)
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goto ThreadError;
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#ifdef SUPERMODEL_DRIVEBOARD
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drvBrdThreadSync = CThread::CreateSemaphore(1);
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if (drvBrdThreadSync == NULL)
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goto ThreadError;
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#endif
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if (DriveBoard.IsAttached())
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{
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drvBrdThreadSync = CThread::CreateSemaphore(1);
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if (drvBrdThreadSync == NULL)
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goto ThreadError;
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}
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notifyLock = CThread::CreateMutex();
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if (notifyLock == NULL)
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goto ThreadError;
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@ -1982,12 +1986,13 @@ bool CModel3::StartThreads()
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if (sndBrdThread == NULL)
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goto ThreadError;
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#ifdef SUPERMODEL_DRIVEBOARD
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// Create drive board thread
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drvBrdThread = CThread::CreateThread(StartDriveBoardThread, this);
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if (drvBrdThread == NULL)
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goto ThreadError;
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#endif
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// Create drive board thread, if drive board is attached
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if (DriveBoard.IsAttached())
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{
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drvBrdThread = CThread::CreateThread(StartDriveBoardThread, this);
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if (drvBrdThread == NULL)
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goto ThreadError;
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}
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startedThreads = true;
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return true;
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@ -2017,13 +2022,11 @@ void CModel3::DeleteThreadObjects()
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delete sndBrdThread;
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sndBrdThread = NULL;
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}
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#ifdef SUPERMODEL_DRIVEBOARD
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if (drvBrdThread != NULL)
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{
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delete drvBrdThread;
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drvBrdThread = NULL;
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}
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#endif
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// Delete synchronization objects
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if (sndBrdThreadSync != NULL)
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@ -2031,13 +2034,11 @@ void CModel3::DeleteThreadObjects()
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delete sndBrdThreadSync;
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sndBrdThreadSync = NULL;
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}
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#ifdef SUPERMODEL_DRIVEBOARD
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if (drvBrdThreadSync != NULL)
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{
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delete drvBrdThreadSync;
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drvBrdThreadSync = NULL;
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}
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#endif
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if (notifyLock != NULL)
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{
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delete notifyLock;
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@ -2058,7 +2059,6 @@ int CModel3::StartSoundBoardThread(void *data)
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return 0;
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}
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#ifdef SUPERMODEL_DRIVEBOARD
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int CModel3::StartDriveBoardThread(void *data)
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{
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// Call drive board thread method on CModel3
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@ -2066,7 +2066,6 @@ int CModel3::StartDriveBoardThread(void *data)
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model3->RunDriveBoardThread();
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return 0;
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}
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#endif
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void CModel3::RunSoundBoardThread()
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{
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@ -2098,7 +2097,6 @@ ThreadError:
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g_Config.multiThreaded = false;
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}
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#ifdef SUPERMODEL_DRIVEBOARD
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void CModel3::RunDriveBoardThread()
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{
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for (;;)
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@ -2108,7 +2106,7 @@ void CModel3::RunDriveBoardThread()
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goto ThreadError;
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// Process a single frame for drive board
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//DriveBoard.RunFrame();
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DriveBoard.RunFrame();
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// Enter notify critical section
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if (!notifyLock->Lock())
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@ -2128,8 +2126,6 @@ ThreadError:
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ErrorLog("Threading error in drive board thread: %s\nSwitching back to single-threaded mode.\n", CThread::GetLastError());
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g_Config.multiThreaded = false;
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}
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#endif
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void CModel3::RunMainBoardFrame(void)
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{
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// Run the PowerPC for a frame
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@ -2141,7 +2137,7 @@ void CModel3::RunMainBoardFrame(void)
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GPU.BeginFrame();
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GPU.RenderFrame();
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IRQ.Assert(0x02);
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ppc_execute(10000); // TO-DO: Vblank probably needs to be longer. Maybe that's why some games run too fast/slow
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ppc_execute(10000); // TO-DO: Vblank probably needs to be longer. Maybe that's why some games run too fast/slow
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//printf("PC=%08X LR=%08X\n", ppc_get_pc(), ppc_get_lr());
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/*
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@ -2216,9 +2212,9 @@ void CModel3::Reset(void)
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TileGen.Reset();
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GPU.Reset();
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SoundBoard.Reset();
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#ifdef SUPERMODEL_DRIVEBOARD
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DriveBoard.Reset();
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#endif
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if (DriveBoard.IsAttached())
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DriveBoard.Reset();
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DebugLog("Model 3 reset\n");
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}
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@ -2643,6 +2639,9 @@ void CModel3::AttachInputs(CInputs *InputsPtr)
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{
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Inputs = InputsPtr;
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if (DriveBoard.IsAttached())
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DriveBoard.AttachInputs(InputsPtr, Game->inputFlags);
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DebugLog("Model 3 attached inputs\n");
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}
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@ -2666,6 +2665,7 @@ BOOL CModel3::Init(void)
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mpegROM = &memoryPool[OFFSET_DSBMPEGROM];
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backupRAM = &memoryPool[OFFSET_BACKUPRAM];
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securityRAM = &memoryPool[OFFSET_SECURITYRAM];
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driveROM = NULL; // TODO - need to read drive board ROM, but not complain if it is not available
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SetCROMBank(0xFF);
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// Initialize other devices (PowerPC and DSB initialized after ROMs loaded)
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@ -2681,10 +2681,8 @@ BOOL CModel3::Init(void)
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return FAIL;
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if (OKAY != SoundBoard.Init(soundROM,sampleROM))
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return FAIL;
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#ifdef SUPERMODEL_DRIVEBOARD
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DriveBoard.Init();
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#endif
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if (OKAY != DriveBoard.Init(driveROM))
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return FAIL;
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PCIBridge.AttachPCIBus(&PCIBus);
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PCIBus.AttachDevice(13,&GPU);
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@ -2720,17 +2718,11 @@ CModel3::CModel3(void)
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startedThreads = false;
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sndBrdThread = NULL;
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#ifdef SUPERMODEL_DRIVEBOARD
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drvBrdThread = NULL;
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#endif
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sndBrdThreadDone = false;
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#ifdef SUPERMODEL_DRIVEBOARD
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drvBrdThreadDone = false;
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#endif
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sndBrdThreadSync = NULL;
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#ifdef SUPERMODEL_DRIVEBOARD
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drvBrdThreadSync = NULL;
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#endif
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notifyLock = NULL;
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notifySync = NULL;
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@ -308,14 +308,10 @@ private:
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void DeleteThreadObjects(); // Deletes all threads and synchronization objects
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static int StartSoundBoardThread(void *data); // Callback to start sound board thread
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#ifdef SUPERMODEL_DRIVEBOARD
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static int StartDriveBoardThread(void *data); // Callback to start drive board thread
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#endif
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void RunSoundBoardThread(); // Runs sound board thread
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#ifdef SUPERMODEL_DRIVEBOARD
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void RunDriveBoardThread(); // Runs drive board thread
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#endif
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// Game and hardware information
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const struct GameInfo *Game;
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@ -343,6 +339,7 @@ private:
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UINT8 *mpegROM; // 8 MB DSB MPEG ROM
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UINT8 *backupRAM; // 128 KB Backup RAM (battery backed)
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UINT8 *securityRAM; // 128 KB Security Board RAM
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UINT8 *driveROM; // 32 KB drive board ROM (Z80 program) (optional)
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// Banked CROM
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UINT8 *cromBank; // currently mapped in CROM bank
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@ -357,19 +354,13 @@ private:
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// Multiple threading
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bool startedThreads; // True if threads have been created and started
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CThread *sndBrdThread; // Sound board thread
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#ifdef SUPERMODEL_DRIVEBOARD
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CThread *drvBrdThread; // Drive board thread
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#endif
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bool sndBrdThreadDone; // Flag to indicate sound board thread has finished processing for current frame
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#ifdef SUPERMODEL_DRIVEBOARD
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bool drvBrdThreadDone; // Flag to indicate drive board thread has finished processing for current frame
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#endif
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// Thread synchronization objects
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CSemaphore *sndBrdThreadSync;
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#ifdef SUPERMODEL_DRIVEBOARD
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CSemaphore *drvBrdThreadSync;
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#endif
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CMutex *notifyLock;
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CCondVar *notifySync;
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@ -384,9 +375,7 @@ private:
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CReal3D GPU; // Real3D graphics hardware
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CSoundBoard SoundBoard; // Sound board
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CDSB *DSB; // Digital Sound Board (type determined dynamically at load time)
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#ifdef SUPERMODEL_DRIVEBOARD
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CDriveBoard DriveBoard; // Drive board
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#endif
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};
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