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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Commodore 1540/1541/1541C/1541-II Single Disk Drive emulation
**********************************************************************/
#ifndef MAME_BUS_CBMIEC_C1541_H
#define MAME_BUS_CBMIEC_C1541_H
#pragma once
#include "cbmiec.h"
#include "bus/c64/bn1541.h"
#include "cpu/m6502/m6502.h"
#include "machine/64h156.h"
#include "machine/6522via.h"
#include "machine/6821pia.h"
#include "machine/output_latch.h"
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> c1541_device_base
class c1541_device_base : public device_t,
public device_cbm_iec_interface,
public device_c64_floppy_parallel_interface
{
protected:
// construction/destruction
c1541_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, const XTAL &clock);
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
virtual ioport_constructor device_input_ports() const override;
// device_cbm_iec_interface overrides
virtual void cbm_iec_atn(int state) override;
virtual void cbm_iec_reset(int state) override;
// device_c64_floppy_parallel_interface overrides
virtual void parallel_data_w(u8 data) override;
virtual void parallel_strobe_w(int state) override;
required_device<floppy_image_device> m_floppy;
void c1541_mem(address_map &map);
void c1541dd_mem(address_map &map);
void c1541pd_mem(address_map &map);
required_device<m6502_device> m_maincpu;
private:
enum
{
LED_POWER = 0,
LED_ACT
};
inline void set_iec_data();
DECLARE_WRITE_LINE_MEMBER( via0_irq_w );
virtual uint8_t via0_pa_r();
void via0_pa_w(uint8_t data);
uint8_t via0_pb_r();
void via0_pb_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER( via0_ca2_w );
DECLARE_WRITE_LINE_MEMBER( via1_irq_w );
uint8_t via1_pb_r();
void via1_pb_w(uint8_t data);
DECLARE_WRITE_LINE_MEMBER( atn_w );
DECLARE_WRITE_LINE_MEMBER( byte_w );
static void floppy_formats(format_registration &fr);
required_device<via6522_device> m_via0;
required_device<via6522_device> m_via1;
required_device<c64h156_device> m_ga;
required_ioport m_address;
output_finder<2> m_leds;
// IEC bus
int m_data_out; // serial data out
// interrupts
int m_via0_irq; // VIA #0 interrupt request
int m_via1_irq; // VIA #1 interrupt request
};
// ======================> c1540_device
class c1540_device : public c1541_device_base
{
public:
// construction/destruction
c1540_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> c1541_device
class c1541_device : public c1541_device_base
{
public:
// construction/destruction
c1541_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> c1541c_device
class c1541c_device : public c1541_device_base
{
public:
// construction/destruction
c1541c_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
private:
virtual uint8_t via0_pa_r() override;
};
// ======================> c1541ii_device
class c1541ii_device : public c1541_device_base
{
public:
// construction/destruction
c1541ii_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> sx1541_device
class sx1541_device : public c1541_device_base
{
public:
// construction/destruction
sx1541_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> fsd1_device
class fsd1_device : public c1541_device_base
{
public:
// construction/destruction
fsd1_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> fsd2_device
class fsd2_device : public c1541_device_base
{
public:
// construction/destruction
fsd2_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
// device-level overrides
virtual void device_start() override;
};
// ======================> csd1_device
class csd1_device : public c1541_device_base
{
public:
// construction/destruction
csd1_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> c1541_dolphin_dos_device
class c1541_dolphin_dos_device : public c1541_device_base
{
public:
// construction/destruction
c1541_dolphin_dos_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
};
// ======================> c1541_professional_dos_v1_device
class c1541_professional_dos_v1_device : public c1541_device_base
{
public:
// construction/destruction
c1541_professional_dos_v1_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
};
// ======================> c1541_prologic_dos_classic_device
class c1541_prologic_dos_classic_device : public c1541_device_base
{
public:
// construction/destruction
c1541_prologic_dos_classic_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device<pia6821_device> m_pia;
required_device<output_latch_device> m_cent_data_out;
required_memory_region m_mmu_rom;
uint8_t pia_r(offs_t offset);
void pia_w(offs_t offset, uint8_t data);
void pia_pa_w(uint8_t data);
uint8_t pia_pb_r();
void pia_pb_w(uint8_t data);
uint8_t read();
void write(uint8_t data);
void c1541pdc_mem(address_map &map);
};
// ======================> indus_gt_device
class indus_gt_device : public c1541_device_base
{
public:
// construction/destruction
indus_gt_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> technica_device
class technica_device : public c1541_device_base
{
public:
// construction/destruction
technica_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> blue_chip_device
class blue_chip_device : public c1541_device_base
{
public:
// construction/destruction
blue_chip_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> commander_c2_device
class commander_c2_device : public c1541_device_base
{
public:
// construction/destruction
commander_c2_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> enhancer_2000_device
class enhancer_2000_device : public c1541_device_base
{
public:
// construction/destruction
enhancer_2000_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> fd148_device
class fd148_device : public c1541_device_base
{
public:
// construction/destruction
fd148_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> msd_sd1_device
class msd_sd1_device : public c1541_device_base
{
public:
// construction/destruction
msd_sd1_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// ======================> msd_sd2_device
class msd_sd2_device : public c1541_device_base
{
public:
// construction/destruction
msd_sd2_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock);
protected:
// optional information overrides
virtual const tiny_rom_entry *device_rom_region() const override;
};
// device type definition
DECLARE_DEVICE_TYPE(C1540, c1540_device)
DECLARE_DEVICE_TYPE(C1541, c1541_device)
DECLARE_DEVICE_TYPE(C1541C, c1541c_device)
DECLARE_DEVICE_TYPE(C1541II, c1541ii_device)
DECLARE_DEVICE_TYPE(SX1541, sx1541_device)
DECLARE_DEVICE_TYPE(FSD1, fsd1_device)
DECLARE_DEVICE_TYPE(FSD2, fsd2_device)
DECLARE_DEVICE_TYPE(CSD1, csd1_device)
DECLARE_DEVICE_TYPE(C1541_DOLPHIN_DOS, c1541_dolphin_dos_device)
DECLARE_DEVICE_TYPE(C1541_PROFESSIONAL_DOS_V1, c1541_professional_dos_v1_device)
DECLARE_DEVICE_TYPE(C1541_PROLOGIC_DOS_CLASSIC, c1541_prologic_dos_classic_device)
DECLARE_DEVICE_TYPE(INDUS_GT, indus_gt_device)
DECLARE_DEVICE_TYPE(TECHNICA, technica_device)
DECLARE_DEVICE_TYPE(BLUE_CHIP, blue_chip_device)
DECLARE_DEVICE_TYPE(COMMANDER_C2, commander_c2_device)
DECLARE_DEVICE_TYPE(ENHANCER_2000, enhancer_2000_device)
DECLARE_DEVICE_TYPE(FD148, fd148_device)
DECLARE_DEVICE_TYPE(MSD_SD1, msd_sd1_device)
DECLARE_DEVICE_TYPE(MSD_SD2, msd_sd2_device)
#endif // MAME_BUS_CBMIEC_C1541_H
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