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-rw-r--r--src/devices/bus/a2gameio/gizmo.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/src/devices/bus/a2gameio/gizmo.cpp b/src/devices/bus/a2gameio/gizmo.cpp
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+// license:BSD-3-Clause
+// copyright-holders:R. Belmont
+/*********************************************************************
+
+ gizmo.cpp - HAL Labs Gizmo digital joystick adapter
+ Used by Vindicator and Super Taxman 2.
+
+*********************************************************************/
+
+#include "emu.h"
+#include "bus/a2gameio/gizmo.h"
+
+
+namespace {
+
+// ======================> apple2_gizmo_device
+
+class apple2_gizmo_device : public device_t, public device_a2gameio_interface
+{
+public:
+ // construction/destruction
+ apple2_gizmo_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ // device-level overrides
+ virtual ioport_constructor device_input_ports() const override ATTR_COLD;
+ virtual void device_start() override ATTR_COLD;
+
+ // device_a2gameio_interface overrides
+ virtual int sw0_r() override;
+ virtual void an0_w(int state) override;
+ virtual void an1_w(int state) override;
+ virtual void an2_w(int state) override;
+
+private:
+ // input ports
+ required_ioport m_player1;
+ int m_an0, m_an1, m_an2;
+};
+
+//**************************************************************************
+// INPUT PORTS
+//**************************************************************************
+
+static INPUT_PORTS_START( apple2_gizmo )
+ PORT_START("joystick_p1")
+ PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP )
+ PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT )
+ PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN )
+ PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT )
+ PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 )
+INPUT_PORTS_END
+
+//**************************************************************************
+// DEVICE IMPLEMENTATION
+//**************************************************************************
+
+apple2_gizmo_device::apple2_gizmo_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock)
+ : device_t(mconfig, APPLE2_GIZMO, tag, owner, clock)
+ , device_a2gameio_interface(mconfig, *this)
+ , m_player1(*this, "joystick_p1")
+{
+}
+
+ioport_constructor apple2_gizmo_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME(apple2_gizmo);
+}
+
+void apple2_gizmo_device::device_start()
+{
+ save_item(NAME(m_an0));
+ save_item(NAME(m_an1));
+ save_item(NAME(m_an2));
+}
+
+int apple2_gizmo_device::sw0_r()
+{
+ static const int gizmo_bits[8] = { 1,3,2,0,4,5,5,5 };
+ return BIT(m_player1->read(),gizmo_bits[m_an0+(m_an1<<1)+(m_an2<<2)]);
+}
+
+void apple2_gizmo_device::an0_w(int state)
+{
+ m_an0 = state;
+}
+
+void apple2_gizmo_device::an1_w(int state)
+{
+ m_an1 = state;
+}
+
+void apple2_gizmo_device::an2_w(int state)
+{
+ m_an2 = state;
+}
+
+} // anonymous namespace
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+// device type definition
+DEFINE_DEVICE_TYPE_PRIVATE(APPLE2_GIZMO, device_a2gameio_interface, apple2_gizmo_device, "a2gizmo", "HAL Labs Gizmo")