gearmulator

Emulation of classic VA synths of the late 90s/2000s that are based on Motorola 56300 family DSPs
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n2xdsp.h (1351B)

      1 #pragma once
      2 
      3 #include <memory>
      4 #include <string>
      5 
      6 #include "dsp56kEmu/dsp.h"
      7 #include "dsp56kEmu/dspthread.h"
      8 
      9 #include "baseLib/semaphore.h"
     10 
     11 #include "hardwareLib/dspBootCode.h"
     12 #include "hardwareLib/haltDSP.h"
     13 
     14 namespace mc68k
     15 {
     16 	class Hdi08;
     17 }
     18 
     19 namespace n2x
     20 {
     21 	class Hardware;
     22 
     23 	class DSP
     24 	{
     25 	public:
     26 		DSP(Hardware& _hw, mc68k::Hdi08& _hdiUc, uint32_t _index);
     27 
     28 		dsp56k::HDI08& hdi08()
     29 		{
     30 			return m_periphX.getHDI08();
     31 		}
     32 
     33 		dsp56k::DSP& dsp()
     34 		{
     35 			return m_dsp;
     36 		}
     37 
     38 		dsp56k::Peripherals56362& getPeriph()
     39 		{
     40 			return m_periphX;
     41 		}
     42 
     43 		dsp56k::DSPThread& getDSPThread() const { return *m_thread; }
     44 		auto& getHaltDSP() { return m_haltDSP; }
     45 
     46 		void terminate();
     47 		void join() const;
     48 		void onDspBootFinished();
     49 
     50 	private:
     51 		void onUCRxEmpty(bool _needMoreData);
     52 		void hdiTransferUCtoDSP(uint32_t _word);
     53 		void hdiSendIrqToDSP(uint8_t _irq);
     54 		uint8_t hdiUcReadIsr(uint8_t _isr);
     55 		bool hdiTransferDSPtoUC();
     56 
     57 		Hardware& m_hardware;
     58 		mc68k::Hdi08& m_hdiUC;
     59 
     60 		const uint32_t m_index;
     61 		const std::string m_name;
     62 
     63 		dsp56k::PeripheralsNop m_periphNop;
     64 		dsp56k::Peripherals56362 m_periphX;
     65 		dsp56k::Memory m_memory;
     66 		dsp56k::DSP m_dsp;
     67 
     68 		std::unique_ptr<dsp56k::DSPThread> m_thread;
     69 
     70 		dsp56k::SpscSemaphore m_triggerInterruptDone;
     71 		uint32_t m_irqInterruptDone = 0;
     72 
     73 		hwLib::HaltDSP m_haltDSP;
     74 
     75 		hwLib::DspBoot m_boot;
     76 	};
     77 }