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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Atari Video Computer System analog paddles emulation
**********************************************************************/
#include "emu.h"
#include "paddles.h"
//**************************************************************************
// DEVICE DEFINITIONS
//**************************************************************************
DEFINE_DEVICE_TYPE(VCS_PADDLES, vcs_paddles_device, "vcs_paddles", "Atari / CBM Dual paddles")
static INPUT_PORTS_START( vcs_paddles )
PORT_START("JOY")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) // pin 3
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) // pin 4
PORT_BIT( 0xf3, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("POTX")
PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(1) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 5
PORT_START("POTY")
PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(2) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 9
INPUT_PORTS_END
static INPUT_PORTS_START( vcs_paddles_reversed )
PORT_START("JOY")
PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1) // pin 3
PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2) // pin 4
PORT_BIT( 0xf3, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("POTX")
PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(2) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 5
PORT_START("POTY")
PORT_BIT( 0xff, 0x80, IPT_PADDLE) PORT_PLAYER(1) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_MINMAX(0, 255) PORT_REVERSE // pin 9
INPUT_PORTS_END
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
ioport_constructor vcs_paddles_device::device_input_ports() const
{
if (m_reverse_players)
return INPUT_PORTS_NAME( vcs_paddles_reversed );
else
return INPUT_PORTS_NAME( vcs_paddles );
}
//**************************************************************************
// LIVE DEVICE
//**************************************************************************
//-------------------------------------------------
// vcs_paddles_device - constructor
//-------------------------------------------------
vcs_paddles_device::vcs_paddles_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, VCS_PADDLES, tag, owner, clock),
device_vcs_control_port_interface(mconfig, *this),
m_joy(*this, "JOY"),
m_potx(*this, "POTX"),
m_poty(*this, "POTY"),
m_reverse_players(false)
{
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void vcs_paddles_device::device_start()
{
}
//-------------------------------------------------
// vcs_joy_r - joystick read
//-------------------------------------------------
uint8_t vcs_paddles_device::vcs_joy_r()
{
return m_joy->read();
}
//-------------------------------------------------
// vcs_pot_x_r - potentiometer X read
//-------------------------------------------------
uint8_t vcs_paddles_device::vcs_pot_x_r()
{
return m_potx->read();
}
//-------------------------------------------------
// vcs_pot_y_r - potentiometer Y read
//-------------------------------------------------
uint8_t vcs_paddles_device::vcs_pot_y_r()
{
return m_poty->read();
}
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