62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "IMemoryHandler.h"
|
|
#include "GsuTypes.h"
|
|
|
|
class GsuRamHandler : public IMemoryHandler
|
|
{
|
|
private:
|
|
GsuState* _state;
|
|
IMemoryHandler* _handler;
|
|
|
|
public:
|
|
GsuRamHandler(GsuState& state, IMemoryHandler* handler) : IMemoryHandler(SnesMemoryType::GsuWorkRam)
|
|
{
|
|
_handler = handler;
|
|
_state = &state;
|
|
}
|
|
|
|
uint8_t Read(uint32_t addr) override
|
|
{
|
|
if (!_state->SFR.Running || !_state->GsuRamAccess)
|
|
{
|
|
return _handler->Read(addr);
|
|
}
|
|
|
|
//TODO: open bus
|
|
return 0;
|
|
}
|
|
|
|
uint8_t Peek(uint32_t addr) override
|
|
{
|
|
return Read(addr);
|
|
}
|
|
|
|
void PeekBlock(uint32_t addr, uint8_t* output) override
|
|
{
|
|
for (int i = 0; i < 0x1000; i++)
|
|
{
|
|
output[i] = Read(i);
|
|
}
|
|
}
|
|
|
|
void Write(uint32_t addr, uint8_t value) override
|
|
{
|
|
if (!_state->SFR.Running || !_state->GsuRamAccess)
|
|
{
|
|
_handler->Write(addr, value);
|
|
}
|
|
}
|
|
|
|
AddressInfo GetAbsoluteAddress(uint32_t address) override
|
|
{
|
|
if (!_state->SFR.Running || !_state->GsuRamAccess)
|
|
{
|
|
return _handler->GetAbsoluteAddress(address);
|
|
}
|
|
else
|
|
{
|
|
return {-1, SnesMemoryType::Register};
|
|
}
|
|
}
|
|
};
|