PeddleUtils.h

// -----------------------------------------------------------------------------
// This file is part of Peddle - A MOS 65xx CPU emulator
//
// Copyright (C) Dirk W. Hoffmann. www.dirkwhoffmann.de
// Published under the terms of the MIT License
// -----------------------------------------------------------------------------
 
#pragma once
 
#include <cassert>
 
#define LO_BYTE(x) (u8)((x) & 0xFF)
#define HI_BYTE(x) (u8)((x) >> 8)
 
#define LO_HI(x,y) (u16)((y) << 8 | (x))
#define HI_LO(x,y) (u16)((x) << 8 | (y))
 
#ifdef _MSC_VER
 
#define unreachable    __assume(false)
#define likely(x)      (x)
#define unlikely(x)    (x)
 
#else
 
#define unreachable    __builtin_unreachable()
#define likely(x)      __builtin_expect(!!(x), 1)
#define unlikely(x)    __builtin_expect(!!(x), 0)
 
#endif
 
#define fatalError     assert(false); unreachable