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// license:BSD-3-Clause
// copyright-holders:Joakim Larsson Edstrom
/**********************************************************************
ISA 8 bit Floppy Disk Controller
**********************************************************************/
#ifndef MAME_BUS_ISA_MYB3K_FDC_H
#define MAME_BUS_ISA_MYB3K_FDC_H
#pragma once
#include "isa.h"
#include "imagedev/floppy.h"
#include "machine/wd_fdc.h"
#include "formats/imd_dsk.h"
class isa8_myb3k_fdc471x_device_base :
public device_t,
public device_isa8_card_interface
{
protected:
isa8_myb3k_fdc471x_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void device_start() override;
virtual void device_reset() override { };
void map(address_map &map);
virtual uint8_t dack_r(int line) override;
virtual void dack_w(int line, uint8_t data) override;
// virtual void eop_w(int state) override;
virtual uint8_t myb3k_inv_fdc_data_r(offs_t offset);
virtual void myb3k_inv_fdc_data_w(offs_t offset, uint8_t data);
virtual uint8_t myb3k_fdc_status();
virtual void myb3k_fdc_command(uint8_t data);
DECLARE_WRITE_LINE_MEMBER( irq_w );
DECLARE_WRITE_LINE_MEMBER( drq_w );
required_device<wd_fdc_device_base> m_fdc;
optional_device_array<floppy_connector, 4> m_floppy_connectors;
offs_t io_base;
int dma_channel;
bool has_motor_control;
enum FDC_COMMAND {
FDC_DRIVE_SEL = 0x03,
FDC_MOTOR_ON = 0x04, // According to schematics but "Motor Cont" according to service manual
FDC_SIDE_SEL = 0x08,
//FDC_MOTOR_ON = 0x10, // According to service manual but not schematics and BIOS
FDC_DDEN = 0x20,
FDC_MSM_MODE = 0x40,
};
enum FDC_STATUS {
FDC_STATUS_DOUBLE_SIDED = 0x04,
};
};
class isa8_myb3k_fdc4710_device : public isa8_myb3k_fdc471x_device_base
{
public:
// construction/destruction
isa8_myb3k_fdc4710_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// construction/destruction
isa8_myb3k_fdc4710_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
private:
DECLARE_FLOPPY_FORMATS( myb3k_floppy_formats );
};
class isa8_myb3k_fdc4711_device : public isa8_myb3k_fdc471x_device_base
{
public:
// construction/destruction
isa8_myb3k_fdc4711_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// construction/destruction
isa8_myb3k_fdc4711_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
private:
DECLARE_FLOPPY_FORMATS( myb3k_floppy_formats );
};
class isa8_myb3k_fdc4712_device : public isa8_myb3k_fdc471x_device_base
{
public:
// construction/destruction
isa8_myb3k_fdc4712_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
protected:
// construction/destruction
isa8_myb3k_fdc4712_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual void myb3k_fdc_command(uint8_t data) override;
virtual uint8_t myb3k_fdc_status() override;
uint8_t selected_drive;
private:
DECLARE_FLOPPY_FORMATS( myb3k_floppy_formats );
};
// device type definition
DECLARE_DEVICE_TYPE(ISA8_MYB3K_FDC4710, isa8_myb3k_fdc4710_device)
DECLARE_DEVICE_TYPE(ISA8_MYB3K_FDC4711, isa8_myb3k_fdc4711_device)
DECLARE_DEVICE_TYPE(ISA8_MYB3K_FDC4712, isa8_myb3k_fdc4712_device)
#endif // MAME_BUS_ISA_MYB3K_FDC_H
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