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// license:BSD-3-Clause
// copyright-holders:David Haywood
/**********************************************************************
Rotronics Wafadrive
**********************************************************************/
#ifndef MAME_BUS_SPECTRUM_WAFA_H
#define MAME_BUS_SPECTRUM_WAFA_H
#include "exp.h"
#include "imagedev/wafadrive.h"
#include "softlist.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
class spectrum_wafa_device:
public device_t,
public device_spectrum_expansion_interface
{
public:
// construction/destruction
spectrum_wafa_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 void pre_opcode_fetch(offs_t offset) override;
virtual void post_opcode_fetch(offs_t offset) override;
virtual uint8_t mreq_r(offs_t offset) override;
virtual uint8_t iorq_r(offs_t offset) override;
virtual void iorq_w(offs_t offset, uint8_t data) override;
virtual int romcs() override;
// passthru
virtual void pre_data_fetch(offs_t offset) override { m_exp->pre_data_fetch(offset); }
virtual void post_data_fetch(offs_t offset) override { m_exp->post_data_fetch(offset); }
virtual void mreq_w(offs_t offset, uint8_t data) override { if (m_exp->romcs()) m_exp->mreq_w(offset, data); }
private:
required_device<spectrum_expansion_slot_device> m_exp;
required_memory_region m_rom;
required_device<wafadrive_image_device> m_wafa1;
required_device<wafadrive_image_device> m_wafa2;
int m_romcs;
};
// device type definition
DECLARE_DEVICE_TYPE(SPECTRUM_WAFA, spectrum_wafa_device)
#endif /* MAME_BUS_SPECTRUM_WAFA_H */
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