public static ReadHandlerPtr c2map_port_6_r = new ReadHandlerPtr() { public int handler(int offset)
	{
		/* bit 4 high signifies secondary CPU is ready */
		/* bit 5 is tested low before V-Blank bit ??? */
		switch (toaplan2_sub_cpu)
		{
			case CPU_2_Z80:			mcu_data = toaplan2_shared_ram.read(0); break;
			case CPU_2_HD647180:	mcu_data = 0xff; break;
			default:				mcu_data = 0x00; break;
		}
		if (mcu_data == 0xff) mcu_data = 0x10;
		else mcu_data = 0x00;
		return ( mcu_data | input_port_6_r.handler(0) );
	} }