dolphin/Source/Core/Core/DSP/DSPBreakpoints.h

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.

#pragma once

#include <cstring>
#include "Common/CommonTypes.h"

// super fast breakpoints for a limited range.
// To be used interchangeably with the BreakPoints class.
class DSPBreakpoints
{
public:
	DSPBreakpoints()
	{
		Clear();
	}

	// is address breakpoint
	bool IsAddressBreakPoint(u32 addr)
	{
		return b[addr] != 0;
	}

	// AddBreakPoint
	bool Add(u32 addr, bool temp=false)
	{
		bool was_one = b[addr] != 0;

		if (!was_one)
		{
			b[addr] = temp ? 2 : 1;
			return true;
		}
		else
		{
			return false;
		}
	}

	// Remove Breakpoint
	bool Remove(u32 addr)
	{
		bool was_one = b[addr] != 0;
		b[addr] = 0;
		return was_one;
	}

	void Clear()
	{
		memset(b, 0, sizeof(b));
	}

	void DeleteByAddress(u32 addr)
	{
		b[addr] = 0;
	}

private:
	u8 b[65536];
};