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// license:???
// copyright-holders:???
/**********************************************************************
Nintendo Family Computer Pachinko Controller
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#include "pachinko.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
const device_type NES_PACHINKO = &device_creator<nes_pachinko_device>;
static INPUT_PORTS_START( nes_pachinko )
PORT_START("JOYPAD")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("A")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("B")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_SELECT )
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START )
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_8WAY
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_8WAY
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_8WAY
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_8WAY
PORT_START("TRIGGER")
PORT_BIT( 0xff, 0, IPT_PEDAL ) PORT_MINMAX(0, 0x63) PORT_SENSITIVITY(25) PORT_KEYDELTA(20)
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor nes_pachinko_device::device_input_ports() const
{
return INPUT_PORTS_NAME( nes_pachinko );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// nes_pachinko_device - constructor
//-------------------------------------------------
nes_pachinko_device::nes_pachinko_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, NES_PACHINKO, "Famicom Pachinko Controller", tag, owner, clock, "nes_pachinko", __FILE__),
device_nes_control_port_interface(mconfig, *this),
m_joypad(*this, "JOYPAD"),
m_trigger(*this, "TRIGGER")
{
}
//-------------------------------------------------
// device_start
//-------------------------------------------------
void nes_pachinko_device::device_start()
{
save_item(NAME(m_latch));
}
//-------------------------------------------------
// device_reset
//-------------------------------------------------
void nes_pachinko_device::device_reset()
{
m_latch = 0;
}
//-------------------------------------------------
// read
//-------------------------------------------------
UINT8 nes_pachinko_device::read_exp(offs_t offset)
{
UINT8 ret = 0;
// this controller behaves like a standard P3 joypad, with longer stream of inputs
if (offset == 0) //$4016
{
ret |= (m_latch & 1) << 1;
m_latch >>= 1;
}
return ret;
}
//-------------------------------------------------
// write
//-------------------------------------------------
void nes_pachinko_device::write(UINT8 data)
{
if (data & 0x01)
return;
m_latch = m_joypad->read();
m_latch |= ((m_trigger->read() ^ 0xff) & 0xff) << 8;
m_latch |= 0xff0000;
}
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