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-rw-r--r--src/devices/bus/a2bus/4play.cpp125
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diff --git a/src/devices/bus/a2bus/4play.cpp b/src/devices/bus/a2bus/4play.cpp
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+++ b/src/devices/bus/a2bus/4play.cpp
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ a2ssc.c
+
+ 4 player digital joystick card for the Apple II by Lukazi
+ http://lukazi.blogspot.com/2016/05/apple-ii-4play-joystick-card-revb.html
+
+*********************************************************************/
+
+#include "emu.h"
+#include "4play.h"
+
+/***************************************************************************
+ PARAMETERS
+***************************************************************************/
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(A2BUS_4PLAY, a2bus_4play_device, "a24play", "4play Joystick Card (rev. B)")
+
+static INPUT_PORTS_START( a24play )
+ PORT_START("p1")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON3 )
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN )
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 )
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 )
+
+ PORT_START("p2")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_PLAYER(2)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2)
+
+ PORT_START("p3")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(3)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(3)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_PLAYER(3)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(3)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(3)
+
+ PORT_START("p4")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(3)
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3)
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3)
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3)
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(3)
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_UNKNOWN ) PORT_PLAYER(3)
+ PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(3)
+ PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(3)
+INPUT_PORTS_END
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor a2bus_4play_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( a24play );
+}
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+a2bus_4play_device::a2bus_4play_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ a2bus_4play_device(mconfig, A2BUS_4PLAY, tag, owner, clock)
+{
+}
+
+a2bus_4play_device::a2bus_4play_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, type, tag, owner, clock),
+ device_a2bus_card_interface(mconfig, *this),
+ m_p1(*this, "p1"),
+ m_p2(*this, "p2"),
+ m_p3(*this, "p3"),
+ m_p4(*this, "p4")
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void a2bus_4play_device::device_start()
+{
+}
+
+/*-------------------------------------------------
+ read_c0nx - called for reads from this card's c0nx space
+-------------------------------------------------*/
+
+uint8_t a2bus_4play_device::read_c0nx(uint8_t offset)
+{
+ switch (offset)
+ {
+ case 0:
+ return m_p1->read();
+ case 1:
+ return m_p2->read();
+ case 2:
+ return m_p3->read();
+ case 3:
+ return m_p4->read();
+
+ default:
+ return 0xff;
+ }
+
+ return 0;
+}