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Diffstat (limited to 'src/devices/bus/a2bus/4play.cpp')
-rw-r--r--src/devices/bus/a2bus/4play.cpp35
1 files changed, 30 insertions, 5 deletions
diff --git a/src/devices/bus/a2bus/4play.cpp b/src/devices/bus/a2bus/4play.cpp
index eab126e5a6d..c51ef306cff 100644
--- a/src/devices/bus/a2bus/4play.cpp
+++ b/src/devices/bus/a2bus/4play.cpp
@@ -12,15 +12,31 @@
#include "emu.h"
#include "4play.h"
-/***************************************************************************
- PARAMETERS
-***************************************************************************/
+
+namespace {
//**************************************************************************
-// GLOBAL VARIABLES
+// TYPE DEFINITIONS
//**************************************************************************
-DEFINE_DEVICE_TYPE(A2BUS_4PLAY, a2bus_4play_device, "a24play", "4play Joystick Card (rev. B)")
+class a2bus_4play_device:
+ public device_t,
+ public device_a2bus_card_interface
+{
+public:
+ // construction/destruction
+ a2bus_4play_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ a2bus_4play_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ virtual void device_start() override;
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual uint8_t read_c0nx(uint8_t offset) override;
+
+ required_ioport m_p1, m_p2, m_p3, m_p4;
+};
static INPUT_PORTS_START( a24play )
PORT_START("p1")
@@ -123,3 +139,12 @@ uint8_t a2bus_4play_device::read_c0nx(uint8_t offset)
return 0;
}
+
+} // anonymous namespace
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE_PRIVATE(A2BUS_4PLAY, device_a2bus_card_interface, a2bus_4play_device, "a24play", "4play Joystick Card (rev. B)")