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+// license:BSD-3-Clause
+// copyright-holders:Samuele Zannoli
+#ifndef MAME_MACHINE_315_6154_H
+#define MAME_MACHINE_315_6154_H
+
+#pragma once
+
+DECLARE_DEVICE_TYPE(SEGA315_6154, sega_315_6154_device)
+
+class sega_315_6154_device : public device_t, public device_memory_interface
+{
+public:
+ // construction/destruction
+ sega_315_6154_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ DECLARE_READ32_MEMBER(registers_r);
+ DECLARE_WRITE32_MEMBER(registers_w);
+ template<int Aperture>
+ u32 aperture_r(address_space &space, offs_t offset, u32 mem_mask = 0xffffffff);
+ template<int Aperture>
+ void aperture_w(address_space &space, offs_t offset, u32 data, u32 mem_mask = 0xffffffff);
+
+ static const int AS_PCI_MEMORY = 0;
+ static const int AS_PCI_CONFIGURATION = 1;
+
+protected:
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_memory_interface overrides
+ virtual space_config_vector memory_space_config() const override;
+
+private:
+ address_space_config m_memory_config;
+ address_space_config m_configuration_config;
+ address_space *m_memory;
+ address_space *m_configuration;
+
+ u32 m_registers[0x100 / 4];
+ u32 m_bases[4 * 3];
+ bool m_useconfig_14x;
+ bool m_useconfig_18x;
+
+};
+
+#endif // MAME_MACHINE_315_6154_H