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Diffstat (limited to 'src/devices/bus/sms_ctrl/joypad.cpp')
-rw-r--r--src/devices/bus/sms_ctrl/joypad.cpp76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/devices/bus/sms_ctrl/joypad.cpp b/src/devices/bus/sms_ctrl/joypad.cpp
new file mode 100644
index 00000000000..b2537453c6a
--- /dev/null
+++ b/src/devices/bus/sms_ctrl/joypad.cpp
@@ -0,0 +1,76 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+/**********************************************************************
+
+ Sega Master System "Control Pad"/generic joystick emulation
+
+**********************************************************************/
+
+#include "joypad.h"
+
+
+
+//**************************************************************************
+// DEVICE DEFINITIONS
+//**************************************************************************
+
+const device_type SMS_JOYPAD = &device_creator<sms_joypad_device>;
+
+
+static INPUT_PORTS_START( sms_joypad )
+ PORT_START("JOYPAD")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
+ PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY
+ PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_UNUSED ) // Vcc
+ PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) // TL
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) // TH
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_BUTTON2 ) // TR
+INPUT_PORTS_END
+
+
+//-------------------------------------------------
+// input_ports - device-specific input ports
+//-------------------------------------------------
+
+ioport_constructor sms_joypad_device::device_input_ports() const
+{
+ return INPUT_PORTS_NAME( sms_joypad );
+}
+
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// sms_joypad_device - constructor
+//-------------------------------------------------
+
+sms_joypad_device::sms_joypad_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, SMS_JOYPAD, "Sega SMS Control Pad", tag, owner, clock, "sms_joypad", __FILE__),
+ device_sms_control_port_interface(mconfig, *this),
+ m_joypad(*this, "JOYPAD")
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void sms_joypad_device::device_start()
+{
+}
+
+
+//-------------------------------------------------
+// sms_peripheral_r - joypad read
+//-------------------------------------------------
+
+UINT8 sms_joypad_device::peripheral_r()
+{
+ return m_joypad->read();
+}