GameBoy\Opcode::opcode28 PHP Method

    public static function opcode28(Core $core)
    {
        $core->registerE = $core->registerE + 1 & 0xff;
        $core->FZero = $core->registerE == 0;
        $core->FHalfCarry = ($core->registerE & 0xf) == 0;
        $core->FSubtract = false;
    }