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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Grundy NewBrain FDC emulation
**********************************************************************/
#ifndef MAME_BUS_NEWBRAIN_FDC_H
#define MAME_BUS_NEWBRAIN_FDC_H
#pragma once
#include "exp.h"
#include "cpu/z80/z80.h"
#include "imagedev/floppy.h"
#include "machine/upd765.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> newbrain_fdc_device
class newbrain_fdc_device : public device_t, public device_newbrain_expansion_slot_interface
{
public:
// construction/destruction
newbrain_fdc_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
// device_newbrain_expansion_slot_interface overrides
virtual uint8_t mreq_r(offs_t offset, uint8_t data, bool &romov, int &exrm, bool &raminh) override;
virtual void mreq_w(offs_t offset, uint8_t data, bool &romov, int &exrm, bool &raminh) override;
virtual uint8_t iorq_r(offs_t offset, uint8_t data, bool &prtov) override;
virtual void iorq_w(offs_t offset, uint8_t data, bool &prtov) override;
private:
DECLARE_WRITE_LINE_MEMBER( fdc_int_w );
void fdc_auxiliary_w(uint8_t data);
uint8_t fdc_control_r();
void io_dec_w(uint8_t data);
void newbrain_fdc_io(address_map &map);
void newbrain_fdc_mem(address_map &map);
required_device<z80_device> m_maincpu;
required_device<upd765a_device> m_fdc;
required_device_array<floppy_connector, 4> m_floppy;
required_device<newbrain_expansion_slot_device> m_exp;
void moton(int state);
int m_paging;
int m_ma16;
int m_mpm;
int m_fdc_att;
int m_fdc_int;
int m_pa15;
};
// device type definition
DECLARE_DEVICE_TYPE(NEWBRAIN_FDC, newbrain_fdc_device)
#endif // MAME_BUS_NEWBRAIN_FDC_H
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