public static function opcode44(Core $core) { $L = $core->registersHL + 1 & 0xff; $core->FZero = $L == 0; $core->FHalfCarry = ($L & 0xf) == 0; $core->FSubtract = false; $core->registersHL = ($core->registersHL & 0xff00) + $L; }