Esempi in C++ (Cpp) per m_in_pb_cb

Esempio n. 1

File: i8355.c Progetto: Ander-son/libretro-mame

	AM_RANGE(0x000, 0x7ff) AM_ROM
ADDRESS_MAP_END



//**************************************************************************
//  INLINE HELPERS
//**************************************************************************

//-------------------------------------------------
//  read_port - read from input port
//-------------------------------------------------

inline UINT8 i8355_device::read_port(int port)
{
	UINT8 data = m_output[port] & m_ddr[port];

	if (m_ddr[port] != 0xff)
	{
		if (port == 0) {data |= m_in_pa_cb(0) & ~m_ddr[port];}
		else { data |= m_in_pb_cb(0) & ~m_ddr[port];}
	}

	return data;
}

Esempio n. 2

File: i8255.cpp Progetto: crazii/mameui

uint8_t i8255_device::read_mode0(int port)
{
	uint8_t data;

	if (port_mode(port) == MODE_OUTPUT)
	{
		// read data from output latch
		data = m_output[port];
	}
	else
	{
		// read data from port
		data = (port == PORT_A) ? m_in_pa_cb(0) : ((port == PORT_B) ? m_in_pb_cb(0) : m_in_pc_cb(0));
	}

	return data;
}

Esempio n. 3

File: i8155.c Progetto: crazii/mameplus

inline UINT8 i8155_device::read_port(int port)
{
	UINT8 data = 0;

	switch (get_port_mode(port))
	{
	case PORT_MODE_INPUT:
		data = (port == PORT_A) ? m_in_pa_cb(0) : ((port == PORT_B) ? m_in_pb_cb(0) : m_in_pc_cb(0));
		break;

	case PORT_MODE_OUTPUT:
		data = m_output[port];
		break;

	default:
		// strobed mode not implemented yet
		logerror("8155 '%s' Unsupported Port C mode!\n", tag());
		break;
	}

	return data;
}