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61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
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#pragma once
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#include "types.h"
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#include <array>
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class StateWrapper;
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class AudioStream;
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namespace SPU {
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enum : u32
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{
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RAM_SIZE = 512 * 1024,
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RAM_MASK = RAM_SIZE - 1,
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SAMPLE_RATE = 44100,
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};
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void Initialize();
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void CPUClockChanged();
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void Shutdown();
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void Reset();
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bool DoState(StateWrapper& sw);
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u16 ReadRegister(u32 offset);
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void WriteRegister(u32 offset, u16 value);
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void DMARead(u32* words, u32 word_count);
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void DMAWrite(const u32* words, u32 word_count);
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// Render statistics debug window.
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void DrawDebugStateWindow();
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// Executes the SPU, generating any pending samples.
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void GeneratePendingSamples();
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/// Returns true if currently dumping audio.
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bool IsDumpingAudio();
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/// Starts dumping audio to file.
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bool StartDumpingAudio(const char* filename);
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/// Stops dumping audio to file, if started.
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bool StopDumpingAudio();
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/// Access to SPU RAM.
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const std::array<u8, RAM_SIZE>& GetRAM();
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std::array<u8, RAM_SIZE>& GetWritableRAM();
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/// Change output stream - used for runahead.
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// TODO: Make it use system "running ahead" flag
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bool IsAudioOutputMuted();
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void SetAudioOutputMuted(bool muted);
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AudioStream* GetOutputStream();
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void RecreateOutputStream();
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}; // namespace SPU
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