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CDROM: Stub implementation

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This commit is contained in:
Connor McLaughlin
2019-09-17 19:22:39 +10:00
parent a0e7dff37c
commit b951f27381
9 changed files with 321 additions and 8 deletions
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18
src/pse/bus.h
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@ -12,8 +12,9 @@ class Core;
}
class DMA;
class GPU;
class InterruptController;
class GPU;
class CDROM;
class System;
class Bus
@ -22,7 +23,7 @@ public:
Bus();
~Bus();
bool Initialize(CPU::Core* cpu, DMA* dma, InterruptController* interrupt_controller, GPU* gpu);
bool Initialize(CPU::Core* cpu, DMA* dma, InterruptController* interrupt_controller, GPU* gpu, CDROM* cdrom);
void Reset();
bool DoState(StateWrapper& sw);
@ -39,15 +40,18 @@ public:
void PatchBIOS(u32 address, u32 value, u32 mask = UINT32_C(0xFFFFFFFF));
private:
static constexpr u32 GPU_BASE = 0x1F801810;
static constexpr u32 GPU_SIZE = 0x10;
static constexpr u32 GPU_MASK = GPU_SIZE - 1;
static constexpr u32 INTERRUPT_CONTROLLER_BASE = 0x1F801070;
static constexpr u32 INTERRUPT_CONTROLLER_SIZE = 0x08;
static constexpr u32 INTERRUPT_CONTROLLER_MASK = INTERRUPT_CONTROLLER_SIZE - 1;
static constexpr u32 DMA_BASE = 0x1F801080;
static constexpr u32 DMA_SIZE = 0x80;
static constexpr u32 DMA_MASK = DMA_SIZE - 1;
static constexpr u32 CDROM_BASE = 0x1F801800;
static constexpr u32 CDROM_SIZE = 0x04;
static constexpr u32 CDROM_MASK = CDROM_SIZE - 1;
static constexpr u32 GPU_BASE = 0x1F801810;
static constexpr u32 GPU_SIZE = 0x10;
static constexpr u32 GPU_MASK = GPU_SIZE - 1;
static constexpr u32 SPU_BASE = 0x1F801C00;
static constexpr u32 SPU_SIZE = 0x300;
static constexpr u32 SPU_MASK = 0x3FF;
@ -71,6 +75,9 @@ private:
bool ReadExpansionRegion2(MemoryAccessSize size, u32 offset, u32& value);
bool WriteExpansionRegion2(MemoryAccessSize size, u32 offset, u32 value);
bool DoReadCDROM(MemoryAccessSize size, u32 offset, u32& value);
bool DoWriteCDROM(MemoryAccessSize size, u32 offset, u32 value);
bool DoReadGPU(MemoryAccessSize size, u32 offset, u32& value);
bool DoWriteGPU(MemoryAccessSize size, u32 offset, u32 value);
@ -87,6 +94,7 @@ private:
DMA* m_dma = nullptr;
InterruptController* m_interrupt_controller = nullptr;
GPU* m_gpu = nullptr;
CDROM* m_cdrom = nullptr;
std::array<u8, 2097152> m_ram{}; // 2MB RAM
std::array<u8, 524288> m_bios{}; // 512K BIOS ROM