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// license:BSD-3-Clause
// copyright-holders:Fabio Priuli
/**********************************************************************
Nintendo Family Computer Konami Hyper Shot Controllers
**********************************************************************/
#include "emu.h"
#include "konamihs.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(NES_KONAMIHS, nes_konamihs_device, "nes_konamihs", "Konami Hyper Shot Controller")
static INPUT_PORTS_START( nes_konamihs )
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_NAME("I Run")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_NAME("I Jump")
PORT_START("P2")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("II Run")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("II Jump")
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor nes_konamihs_device::device_input_ports() const
{
return INPUT_PORTS_NAME( nes_konamihs );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// nes_konamihs_device - constructor
//-------------------------------------------------
nes_konamihs_device::nes_konamihs_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
: device_t(mconfig, NES_KONAMIHS, tag, owner, clock)
, device_nes_control_port_interface(mconfig, *this)
, m_ipt(*this, "P%u", 1)
, m_latch(0)
{
}
//-------------------------------------------------
// device_start
//-------------------------------------------------
void nes_konamihs_device::device_start()
{
save_item(NAME(m_latch));
}
//-------------------------------------------------
// read
//-------------------------------------------------
u8 nes_konamihs_device::read_exp(offs_t offset)
{
u8 ret = 0;
if (offset == 1) //$4017
for (int i = 0; i < 2; i++)
if (BIT(m_latch, i))
ret |= m_ipt[i]->read() << (2 * i + 1);
return ret;
}
//-------------------------------------------------
// write
//-------------------------------------------------
void nes_konamihs_device::write(u8 data)
{
m_latch = ~data >> 1;
}
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