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Diffstat (limited to 'src/devices/bus/sms_ctrl/paddle.h')
-rw-r--r--src/devices/bus/sms_ctrl/paddle.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/devices/bus/sms_ctrl/paddle.h b/src/devices/bus/sms_ctrl/paddle.h
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index 00000000000..984b5a87082
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+++ b/src/devices/bus/sms_ctrl/paddle.h
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+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+/**********************************************************************
+
+ Sega Master System "Paddle Control" emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __SMS_PADDLE__
+#define __SMS_PADDLE__
+
+
+#include "emu.h"
+#include "smsctrl.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> sms_paddle_device
+
+class sms_paddle_device : public device_t,
+ public device_sms_control_port_interface
+{
+public:
+ // construction/destruction
+ sms_paddle_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_CUSTOM_INPUT_MEMBER( dir_pins_r );
+ DECLARE_CUSTOM_INPUT_MEMBER( tr_pin_r );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+
+ // device_sms_control_port_interface overrides
+ virtual UINT8 peripheral_r();
+
+private:
+ required_ioport m_paddle_pins;
+ required_ioport m_paddle_x;
+
+ UINT8 m_read_state;
+ attotime m_start_time;
+ const attotime m_interval;
+};
+
+
+// device type definition
+extern const device_type SMS_PADDLE;
+
+
+#endif