Spu.cpp

#include <stdexcept>
#include "Spu.hpp"

static Spu * instance = nullptr;

Spu * Spu::get_instance()
{
	if (instance == nullptr)
	{
		instance = new Spu();
	}

	return instance;
}

bool Spu::init()
{
	spu_ram = new unsigned char[SPU_RAM_SIZE];
	memset(spu_ram, 0, SPU_RAM_SIZE);
	return true;
}

Spu::~Spu()
{
	if (spu_ram)
	{
		delete[] spu_ram;
	}
}

bool Spu::is_address_for_device(unsigned int address)
{
	if (address >= SPU_START && address < SPU_END)
	{
		return true;
	}
	return false;
}

unsigned char Spu::get_byte(unsigned int address)
{
	//throw std::logic_error("not implemented");
	return 0;
}

void Spu::set_byte(unsigned int address, unsigned char value)
{
	//throw std::logic_error("not implemented");
}

void Spu::reset()
{
	memset(spu_control, 0, SPU_CONTROL_SIZE);
	memset(spu_voice_registers, 0, SPU_VOICE_SIZE);
	memset(spu_ram, 0, SPU_RAM_SIZE);
}