mirror of https://github.com/bsnes-emu/bsnes.git
125 lines
3.3 KiB
C++
125 lines
3.3 KiB
C++
struct Decompressor;
|
|
|
|
struct SPC7110 : Cothread {
|
|
SPC7110();
|
|
~SPC7110();
|
|
|
|
static auto Enter() -> void;
|
|
auto main() -> void;
|
|
auto init() -> void;
|
|
auto load() -> void;
|
|
auto unload() -> void;
|
|
auto power() -> void;
|
|
auto reset() -> void;
|
|
|
|
auto addClocks(uint clocks) -> void;
|
|
|
|
auto read(uint24 addr, uint8 data) -> uint8;
|
|
auto write(uint24 addr, uint8 data) -> void;
|
|
|
|
auto mcuromRead(uint24 addr, uint8 data) -> uint8;
|
|
auto mcuromWrite(uint24 addr, uint8 data) -> void;
|
|
|
|
auto mcuramRead(uint24 addr, uint8 data) -> uint8;
|
|
auto mcuramWrite(uint24 addr, uint8 data) -> void;
|
|
|
|
auto serialize(serializer&) -> void;
|
|
|
|
//dcu.cpp
|
|
auto dcuLoadAddress() -> void;
|
|
auto dcuBeginTransfer() -> void;
|
|
auto dcuRead() -> uint8;
|
|
|
|
auto deinterleave1bpp(uint length) -> void;
|
|
auto deinterleave2bpp(uint length) -> void;
|
|
auto deinterleave4bpp(uint length) -> void;
|
|
|
|
//data.cpp
|
|
auto dataromRead(uint addr) -> uint8;
|
|
|
|
auto dataOffset() -> uint;
|
|
auto dataAdjust() -> uint;
|
|
auto dataStride() -> uint;
|
|
|
|
auto setDataOffset(uint addr) -> void;
|
|
auto setDataAdjust(uint addr) -> void;
|
|
|
|
auto dataPortRead() -> void;
|
|
|
|
auto dataPortIncrement4810() -> void;
|
|
auto dataPortIncrement4814() -> void;
|
|
auto dataPortIncrement4815() -> void;
|
|
auto dataPortIncrement481a() -> void;
|
|
|
|
//alu.cpp
|
|
auto aluMultiply() -> void;
|
|
auto aluDivide() -> void;
|
|
|
|
MappedRAM prom; //program ROM
|
|
MappedRAM drom; //data ROM
|
|
MappedRAM ram;
|
|
|
|
private:
|
|
//decompression unit
|
|
uint8 r4801; //compression table B0
|
|
uint8 r4802; //compression table B1
|
|
uint7 r4803; //compression table B2
|
|
uint8 r4804; //compression table index
|
|
uint8 r4805; //adjust length B0
|
|
uint8 r4806; //adjust length B1
|
|
uint8 r4807; //stride length
|
|
uint8 r4809; //compression counter B0
|
|
uint8 r480a; //compression counter B1
|
|
uint8 r480b; //decompression settings
|
|
uint8 r480c; //decompression status
|
|
|
|
bool dcuPending;
|
|
uint2 dcuMode;
|
|
uint23 dcuAddress;
|
|
uint dcuOffset;
|
|
uint8 dcuTile[32];
|
|
Decompressor* decompressor;
|
|
|
|
//data port unit
|
|
uint8 r4810; //data port read + seek
|
|
uint8 r4811; //data offset B0
|
|
uint8 r4812; //data offset B1
|
|
uint7 r4813; //data offset B2
|
|
uint8 r4814; //data adjust B0
|
|
uint8 r4815; //data adjust B1
|
|
uint8 r4816; //data stride B0
|
|
uint8 r4817; //data stride B1
|
|
uint8 r4818; //data port settings
|
|
uint8 r481a; //data port seek
|
|
|
|
//arithmetic logic unit
|
|
uint8 r4820; //16-bit multiplicand B0, 32-bit dividend B0
|
|
uint8 r4821; //16-bit multiplicand B1, 32-bit dividend B1
|
|
uint8 r4822; //32-bit dividend B2
|
|
uint8 r4823; //32-bit dividend B3
|
|
uint8 r4824; //16-bit multiplier B0
|
|
uint8 r4825; //16-bit multiplier B1
|
|
uint8 r4826; //16-bit divisor B0
|
|
uint8 r4827; //16-bit divisor B1
|
|
uint8 r4828; //32-bit product B0, 32-bit quotient B0
|
|
uint8 r4829; //32-bit product B1, 32-bit quotient B1
|
|
uint8 r482a; //32-bit product B2, 32-bit quotient B2
|
|
uint8 r482b; //32-bit product B3, 32-bit quotient B3
|
|
uint8 r482c; //16-bit remainder B0
|
|
uint8 r482d; //16-bit remainder B1
|
|
uint8 r482e; //math settings
|
|
uint8 r482f; //math status
|
|
|
|
bool mulPending;
|
|
bool divPending;
|
|
|
|
//memory control unit
|
|
uint8 r4830; //bank 0 mapping + SRAM write enable
|
|
uint8 r4831; //bank 1 mapping
|
|
uint8 r4832; //bank 2 mapping
|
|
uint8 r4833; //bank 3 mapping
|
|
uint8 r4834; //bank mapping settings
|
|
};
|
|
|
|
extern SPC7110 spc7110;
|