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-rw-r--r--src/devices/bus/cbmiec/c1571.h187
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diff --git a/src/devices/bus/cbmiec/c1571.h b/src/devices/bus/cbmiec/c1571.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ Commodore 1570/1571/1571CR Single Disk Drive emulation
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __C1571__
+#define __C1571__
+
+#include "emu.h"
+#include "cbmiec.h"
+#include "bus/c64/bn1541.h"
+#include "cpu/m6502/m6502.h"
+#include "machine/64h156.h"
+#include "machine/6522via.h"
+#include "bus/isa/isa.h"
+#include "bus/isa/wd1002a_wx1.h"
+#include "machine/mos6526.h"
+#include "machine/wd_fdc.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define C1571_TAG "c1571"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> c1571_t
+
+class c1571_t : public device_t,
+ public device_cbm_iec_interface,
+ public device_c64_floppy_parallel_interface
+{
+public:
+ // construction/destruction
+ c1571_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source);
+ c1571_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_WRITE_LINE_MEMBER( via0_irq_w );
+ DECLARE_READ8_MEMBER( via0_pa_r );
+ DECLARE_WRITE8_MEMBER( via0_pa_w );
+ DECLARE_READ8_MEMBER( via0_pb_r );
+ DECLARE_WRITE8_MEMBER( via0_pb_w );
+
+ DECLARE_READ8_MEMBER( via1_r );
+ DECLARE_WRITE8_MEMBER( via1_w );
+ DECLARE_WRITE_LINE_MEMBER( via1_irq_w );
+ DECLARE_READ8_MEMBER( via1_pb_r );
+ DECLARE_WRITE8_MEMBER( via1_pb_w );
+
+ DECLARE_WRITE_LINE_MEMBER( cia_irq_w );
+ DECLARE_WRITE_LINE_MEMBER( cia_pc_w );
+ DECLARE_WRITE_LINE_MEMBER( cia_cnt_w );
+ DECLARE_WRITE_LINE_MEMBER( cia_sp_w );
+ DECLARE_READ8_MEMBER( cia_pb_r );
+ DECLARE_WRITE8_MEMBER( cia_pb_w );
+
+ DECLARE_WRITE_LINE_MEMBER( byte_w );
+
+ DECLARE_WRITE_LINE_MEMBER( wpt_w );
+
+ DECLARE_FLOPPY_FORMATS( floppy_formats );
+
+ void wpt_callback(floppy_image_device *floppy, int state);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_cbm_iec_interface overrides
+ virtual void cbm_iec_srq(int state);
+ virtual void cbm_iec_atn(int state);
+ virtual void cbm_iec_data(int state);
+ virtual void cbm_iec_reset(int state);
+
+ // device_c64_floppy_parallel_interface overrides
+ virtual void parallel_data_w(UINT8 data);
+ virtual void parallel_strobe_w(int state);
+
+ enum
+ {
+ LED_POWER = 0,
+ LED_ACT
+ };
+
+ void update_iec();
+
+ required_device<cpu_device> m_maincpu;
+ required_device<via6522_device> m_via0;
+ required_device<via6522_device> m_via1;
+ required_device<mos6526_device> m_cia;
+ required_device<wd1770_t> m_fdc;
+ required_device<c64h156_device> m_ga;
+ required_device<floppy_image_device> m_floppy;
+ required_ioport m_address;
+
+ // signals
+ int m_1_2mhz; // clock speed
+
+ // IEC bus
+ int m_data_out; // serial data out
+ int m_ser_dir; // fast serial direction
+ int m_sp_out; // fast serial data out
+ int m_cnt_out; // fast serial clock out
+
+ // interrupts
+ int m_via0_irq; // VIA #0 interrupt request
+ int m_via1_irq; // VIA #1 interrupt request
+ int m_cia_irq; // CIA interrupt request
+};
+
+
+// ======================> c1570_t
+
+class c1570_t : public c1571_t
+{
+public:
+ // construction/destruction
+ c1570_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+};
+
+
+// ======================> c1571cr_t
+
+class c1571cr_t : public c1571_t
+{
+public:
+ // construction/destruction
+ c1571cr_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ DECLARE_WRITE8_MEMBER( via0_pa_w );
+ DECLARE_WRITE8_MEMBER( via0_pb_w );
+};
+
+
+// ======================> mini_chief_t
+
+class mini_chief_t : public c1571_t
+{
+public:
+ // construction/destruction
+ mini_chief_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ DECLARE_READ8_MEMBER( cia_pa_r );
+ DECLARE_WRITE8_MEMBER( cia_pa_w );
+ DECLARE_WRITE8_MEMBER( cia_pb_w );
+};
+
+
+// device type definition
+extern const device_type C1570;
+extern const device_type C1571;
+extern const device_type C1571CR;
+extern const device_type MINI_CHIEF;
+
+
+
+#endif