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-rw-r--r--src/devices/bus/m5/rom.h50
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diff --git a/src/devices/bus/m5/rom.h b/src/devices/bus/m5/rom.h
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+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+#ifndef __M5_ROM_H
+#define __M5_ROM_H
+
+#include "slot.h"
+
+
+// ======================> m5_rom_device
+
+class m5_rom_device : public device_t,
+ public device_m5_cart_interface
+{
+public:
+ // construction/destruction
+ m5_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+ m5_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start() override {}
+ virtual void device_reset() override {}
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_rom) override;
+};
+
+// ======================> m5_ram_device
+
+class m5_ram_device : public m5_rom_device
+{
+public:
+ // construction/destruction
+ m5_ram_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // device-level overrides
+ virtual void device_start() override {}
+ virtual void device_reset() override {}
+
+ // reading and writing
+ virtual DECLARE_READ8_MEMBER(read_ram) override;
+ virtual DECLARE_WRITE8_MEMBER(write_ram) override;
+};
+
+
+// device type definition
+extern const device_type M5_ROM_STD;
+extern const device_type M5_ROM_RAM;
+
+
+#endif