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Diffstat (limited to 'src/devices/bus/a2gameio/wico_joystick.cpp')
-rw-r--r--src/devices/bus/a2gameio/wico_joystick.cpp128
1 files changed, 128 insertions, 0 deletions
diff --git a/src/devices/bus/a2gameio/wico_joystick.cpp b/src/devices/bus/a2gameio/wico_joystick.cpp
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+++ b/src/devices/bus/a2gameio/wico_joystick.cpp
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ Apple II Wico Command Control Joystick Adapter for Atari-style
+ digital joysticks
+
+*********************************************************************/
+
+#include "emu.h"
+#include "bus/a2gameio/wico_joystick.h"
+
+namespace {
+
+// ======================> apple2_wico_joystick_device
+
+class apple2_wico_joystick_device : public device_t, public device_a2gameio_interface
+{
+public:
+ // construction/destruction
+ apple2_wico_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ // device_t implementation
+ virtual ioport_constructor device_input_ports() const override ATTR_COLD;
+ virtual void device_start() override ATTR_COLD;
+
+ // device_a2gameio_interface implementation
+ virtual u8 pdl0_r() override;
+ virtual u8 pdl1_r() override;
+ virtual u8 pdl2_r() override;
+ virtual u8 pdl3_r() override;
+ virtual int sw0_r() override;
+ virtual int sw1_r() override;
+
+private:
+ // input ports
+ required_ioport m_player1, m_player2;
+};
+
+//**************************************************************************
+// PARAMETERS
+//**************************************************************************
+
+#define JOYSTICK_DELTA 80
+#define JOYSTICK_SENSITIVITY 50
+#define JOYSTICK_AUTOCENTER 80
+
+//**************************************************************************
+// INPUT PORTS
+//**************************************************************************
+
+static INPUT_PORTS_START( apple2_wico_joystick )
+ PORT_START("joystick_p1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP )
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 )
+
+ PORT_START("joystick_p2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
+INPUT_PORTS_END
+
+//**************************************************************************
+// DEVICE IMPLEMENTATION
+//**************************************************************************
+
+apple2_wico_joystick_device::apple2_wico_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, APPLE2_WICO_JOYSTICK, tag, owner, clock)
+ , device_a2gameio_interface(mconfig, *this)
+ , m_player1(*this, "joystick_p1")
+ , m_player2(*this, "joystick_p2")
+{
+}
+
+ioport_constructor apple2_wico_joystick_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(apple2_wico_joystick);
+}
+
+void apple2_wico_joystick_device::device_start()
+{
+}
+
+u8 apple2_wico_joystick_device::pdl0_r()
+{
+ return !BIT(m_player1->read(), 3) ? 0x00 : !BIT(m_player1->read(), 1) ? 0xff : 0x80;
+}
+
+u8 apple2_wico_joystick_device::pdl1_r()
+{
+ return !BIT(m_player1->read(), 0) ? 0x00 : !BIT(m_player1->read(), 2) ? 0xff : 0x80;
+}
+
+u8 apple2_wico_joystick_device::pdl2_r()
+{
+ return !BIT(m_player2->read(), 3) ? 0x00 : !BIT(m_player2->read(), 1) ? 0xff : 0x80;
+}
+
+u8 apple2_wico_joystick_device::pdl3_r()
+{
+ return !BIT(m_player2->read(), 0) ? 0x00 : !BIT(m_player2->read(), 2) ? 0xff : 0x80;
+}
+
+int apple2_wico_joystick_device::sw0_r()
+{
+ return !BIT(m_player1->read(), 4);
+}
+
+int apple2_wico_joystick_device::sw1_r()
+{
+ return !BIT(m_player2->read(), 4);
+}
+
+} // anonymous namespace
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+// device type definition
+DEFINE_DEVICE_TYPE_PRIVATE(APPLE2_WICO_JOYSTICK, device_a2gameio_interface, apple2_wico_joystick_device, "a2wicojoy", "Wico Command Control Joystick Adapter")