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-rw-r--r--src/devices/bus/spectrum/intf1.h59
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diff --git a/src/devices/bus/spectrum/intf1.h b/src/devices/bus/spectrum/intf1.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ ZX Interface 1
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_SPECTRUM_INTF1_H
+#define MAME_BUS_SPECTRUM_INTF1_H
+
+#include "exp.h"
+#include "bus/rs232/rs232.h"
+#include "machine/microdrv.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class spectrum_intf1_device:
+ public device_t,
+ public device_spectrum_expansion_interface
+{
+public:
+ // construction/destruction
+ spectrum_intf1_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ static constexpr feature_type unemulated_features() { return feature::DISK | feature::LAN; }
+
+protected:
+ 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 DECLARE_READ8_MEMBER(mreq_r) override;
+ virtual DECLARE_WRITE8_MEMBER(mreq_w) override;
+ virtual DECLARE_READ8_MEMBER(port_fe_r) override;
+ virtual DECLARE_READ_LINE_MEMBER(romcs) override;
+
+private:
+ required_device<spectrum_expansion_slot_device> m_exp;
+ required_device<rs232_port_device> m_rs232;
+ required_device<microdrive_image_device> m_mdv1;
+ required_device<microdrive_image_device> m_mdv2;
+ required_memory_region m_rom;
+
+ int m_romcs;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(SPECTRUM_INTF1, spectrum_intf1_device)
+
+
+#endif /* MAME_BUS_SPECTRUM_INTF1_H */