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-rw-r--r--src/devices/bus/spectrum/mface.h100
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diff --git a/src/devices/bus/spectrum/mface.h b/src/devices/bus/spectrum/mface.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/*********************************************************************
+
+ Romantic Robot Multiface One/128/3
+
+*********************************************************************/
+#ifndef MAME_BUS_SPECTRUM_MFACE_H
+#define MAME_BUS_SPECTRUM_MFACE_H
+
+#include "exp.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class spectrum_mface1_device :
+ public device_t,
+ public device_spectrum_expansion_interface
+
+{
+public:
+ // construction/destruction
+ spectrum_mface1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ DECLARE_INPUT_CHANGED_MEMBER(magic_button);
+
+protected:
+ spectrum_mface1_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
+
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+ virtual ioport_constructor device_input_ports() const override;
+
+ virtual void opcode_fetch(offs_t offset) override;
+ virtual uint8_t mreq_r(offs_t offset) override;
+ virtual void mreq_w(offs_t offset, uint8_t data) override;
+ virtual uint8_t iorq_r(offs_t offset) override;
+ virtual void iorq_w(offs_t offset, uint8_t data) override;
+ virtual DECLARE_READ_LINE_MEMBER(romcs) override;
+
+ required_memory_region m_rom;
+ required_device<spectrum_expansion_slot_device> m_exp;
+
+ uint8_t m_ram[8 * 1024];
+ int m_romcs;
+};
+
+class spectrum_mface128_device : public spectrum_mface1_device
+{
+public:
+ spectrum_mface128_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+ virtual uint8_t iorq_r(offs_t offset) override;
+};
+
+class spectrum_mface3_device : public spectrum_mface1_device
+{
+public:
+ spectrum_mface3_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+ virtual uint8_t iorq_r(offs_t offset) override;
+};
+
+class spectrum_mprint_device : public spectrum_mface1_device
+{
+public:
+ spectrum_mprint_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+protected:
+ // optional information overrides
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+ virtual uint8_t iorq_r(offs_t offset) override;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(SPECTRUM_MFACE1, spectrum_mface1_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_MFACE128, spectrum_mface128_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_MFACE3, spectrum_mface3_device)
+DECLARE_DEVICE_TYPE(SPECTRUM_MPRINT, spectrum_mprint_device)
+
+
+
+#endif // MAME_BUS_SPECTRUM_MFACE_H