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-rw-r--r--src/devices/bus/tanbus/tugpgm.h52
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diff --git a/src/devices/bus/tanbus/tugpgm.h b/src/devices/bus/tanbus/tugpgm.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ TUG Programmable Graphic Module
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_TANBUS_TUGPGM_H
+#define MAME_BUS_TANBUS_TUGPGM_H
+
+#pragma once
+
+#include "bus/tanbus/tanbus.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class tanbus_tugpgm_device :
+ public device_t,
+ public device_tanbus_interface
+{
+public:
+ static constexpr feature_type imperfect_features() { return feature::GRAPHICS; }
+
+ // construction/destruction
+ tanbus_tugpgm_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+
+ // optional information overrides
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual uint8_t read(offs_t offset, int inhrom, int inhram, int be) override;
+ virtual void write(offs_t offset, uint8_t data, int inhrom, int inhram, int be) override;
+
+private:
+ required_ioport m_links;
+
+ std::unique_ptr<uint8_t[]> m_ram;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(TANBUS_TUGPGM, tanbus_tugpgm_device)
+
+
+#endif // MAME_BUS_TANBUS_TUGPGM_H