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