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-rw-r--r--src/devices/bus/bbc/joyport/mouse.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/devices/bus/bbc/joyport/mouse.h b/src/devices/bus/bbc/joyport/mouse.h
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+++ b/src/devices/bus/bbc/joyport/mouse.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ BBC Master Compact Mouse
+
+**********************************************************************/
+
+#ifndef MAME_BUS_BBC_JOYPORT_MOUSE_H
+#define MAME_BUS_BBC_JOYPORT_MOUSE_H
+
+#pragma once
+
+#include "joyport.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> bbcmc_mouse_device
+
+class bbcmc_mouse_device :
+ public device_t,
+ public device_bbc_joyport_interface
+{
+public:
+ // construction/destruction
+ bbcmc_mouse_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // optional information overrides
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual uint8_t pb_r() override;
+
+ TIMER_CALLBACK_MEMBER(update);
+
+private:
+ required_ioport m_mouse_x;
+ required_ioport m_mouse_y;
+ required_ioport m_buttons;
+
+ // quadrature output
+ int m_xdir, m_ydir;
+
+ // internal quadrature state
+ int m_x, m_y;
+ int m_phase_x, m_phase_y;
+
+ emu_timer *m_mouse_timer;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(BBCMC_MOUSE, bbcmc_mouse_device)
+
+
+#endif // MAME_BUS_BBC_JOYPORT_MOUSE_H