mirror of https://github.com/bsnes-emu/bsnes.git
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
struct HitachiDSP : Processor::HG51B, Thread {
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MappedRAM rom;
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MappedRAM ram;
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static auto Enter() -> void;
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auto main() -> void;
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auto init() -> void;
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auto load() -> void;
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auto unload() -> void;
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auto power() -> void;
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auto reset() -> void;
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//HG51B read/write
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auto read(uint24 addr) -> uint8 override;
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auto write(uint24 addr, uint8 data) -> void override;
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//CPU ROM read/write
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auto romRead(uint24 addr, uint8 data) -> uint8;
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auto romWrite(uint24 addr, uint8 data) -> void;
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//CPU RAM read/write
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auto ramRead(uint24 addr, uint8 data) -> uint8;
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auto ramWrite(uint24 addr, uint8 data) -> void;
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//HG51B data RAM read/write
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auto dramRead(uint24 addr, uint8 data) -> uint8;
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auto dramWrite(uint24 addr, uint8 data) -> void;
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//CPU MMIO read/write
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auto dspRead(uint24 addr, uint8 data) -> uint8;
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auto dspWrite(uint24 addr, uint8 data) -> void;
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auto firmware() const -> vector<uint8>;
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auto serialize(serializer&) -> void;
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uint Frequency;
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uint Roms;
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struct MMIO {
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bool dma; //true during DMA transfers
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uint24 dmaSource; //$1f40-$1f42
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uint24 dmaLength; //$1f43-$1f44
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uint24 dmaTarget; //$1f45-$1f47
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uint8 r1f48; //$1f48
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uint24 programOffset; //$1f49-$1f4b
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uint8 r1f4c; //$1f4c
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uint16 pageNumber; //$1f4d-$1f4e
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uint8 programCounter; //$1f4f
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uint8 r1f50; //$1f50
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uint8 r1f51; //$1f51
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uint8 r1f52; //$1f52
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uint8 vector[32]; //$1f60-$1f7f
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} mmio;
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};
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extern HitachiDSP hitachidsp;
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