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diff --git a/src/devices/bus/bbc/internal/cumana68k.h b/src/devices/bus/bbc/internal/cumana68k.h
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+// license:BSD-3-Clause
+// copyright-holders:Nigel Barnes
+/**********************************************************************
+
+ Cumana 68008 2nd processor
+
+ http://chrisacorns.computinghistory.org.uk/8bit_Upgrades/Cumana_680082ndProcessor.html
+
+**********************************************************************/
+
+
+#ifndef MAME_BUS_BBC_INTERNAL_CUMANA68K_H
+#define MAME_BUS_BBC_INTERNAL_CUMANA68K_H
+
+#include "internal.h"
+#include "cpu/m68000/m68000.h"
+#include "machine/6821pia.h"
+#include "machine/input_merger.h"
+#include "machine/mc146818.h"
+#include "imagedev/floppy.h"
+#include "machine/wd_fdc.h"
+#include "bus/scsi/scsi.h"
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class bbc_cumana68k_device :
+ public device_t,
+ public device_bbc_internal_interface
+{
+public:
+ // construction/destruction
+ bbc_cumana68k_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ DECLARE_WRITE_LINE_MEMBER(write_sasi_sel);
+ DECLARE_WRITE_LINE_MEMBER(write_sasi_msg);
+ DECLARE_WRITE_LINE_MEMBER(write_sasi_bsy);
+ DECLARE_WRITE_LINE_MEMBER(write_sasi_req);
+ DECLARE_WRITE_LINE_MEMBER(write_sasi_io);
+ DECLARE_WRITE_LINE_MEMBER(write_sasi_cd);
+ DECLARE_READ8_MEMBER(pia_sasi_pa_r);
+ DECLARE_WRITE8_MEMBER(pia_sasi_pa_w);
+ DECLARE_READ8_MEMBER(pia_sasi_pb_r);
+ DECLARE_READ_LINE_MEMBER(pia_sasi_cb1_r);
+ DECLARE_WRITE8_MEMBER(pia_rtc_pb_w);
+
+ DECLARE_READ8_MEMBER(dma_r);
+ DECLARE_WRITE8_MEMBER(dma_w);
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_reset_after_children() override;
+
+ // optional information overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual const tiny_rom_entry *device_rom_region() const override;
+
+private:
+ DECLARE_WRITE_LINE_MEMBER(intrq_w);
+ DECLARE_WRITE_LINE_MEMBER(drq_w);
+ DECLARE_WRITE_LINE_MEMBER(reset68008_w);
+ IRQ_CALLBACK_MEMBER(irq_callback);
+
+ required_device<cpu_device> m_maincpu;
+ required_device<m68000_base_device> m_m68008;
+ required_device<pia6821_device> m_pia_sasi;
+ required_device<pia6821_device> m_pia_rtc;
+ required_device<input_merger_device> m_irqs;
+ required_device<mc146818_device> m_rtc;
+ required_device<wd2797_device> m_fdc;
+ required_device<floppy_connector> m_floppy0;
+ optional_device<floppy_connector> m_floppy1;
+ //required_device<scsi_port_device> m_scsibus;
+ //required_device<output_latch_device> m_scsi_data_out;
+ //required_device<input_buffer_device> m_scsi_data_in;
+
+ void cumana68k_mem(address_map &map);
+
+ bool m_bEnabled;
+ int m_fdc_ie;
+ int m_fdc_drq;
+ uint8_t m_pia_sasi_pb;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(BBC_CUMANA68K, bbc_cumana68k_device)
+
+
+#endif // MAME_BUS_BBC_INTERNAL_CUMANA68K_H