// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 8050/8250/SFD-1001 Disk Drive emulation **********************************************************************/ #pragma once #ifndef __C8050__ #define __C8050__ #include "emu.h" #include "ieee488.h" #include "c8050fdc.h" #include "cpu/m6502/m6502.h" #include "cpu/m6502/m6504.h" #include "machine/6522via.h" #include "machine/mos6530n.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c8050_t class c8050_t : public device_t, public device_ieee488_interface { public: // construction/destruction c8050_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); c8050_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_READ8_MEMBER( dio_r ); DECLARE_WRITE8_MEMBER( dio_w ); DECLARE_READ8_MEMBER( riot1_pa_r ); DECLARE_WRITE8_MEMBER( riot1_pa_w ); DECLARE_READ8_MEMBER( riot1_pb_r ); DECLARE_WRITE8_MEMBER( riot1_pb_w ); DECLARE_WRITE8_MEMBER( via_pb_w ); DECLARE_READ8_MEMBER( pi_r ); DECLARE_WRITE8_MEMBER( pi_w ); DECLARE_FLOPPY_FORMATS( floppy_formats ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // device_ieee488_interface overrides virtual void ieee488_atn(int state); virtual void ieee488_ifc(int state); inline void update_ieee_signals(); required_device m_maincpu; required_device m_fdccpu; required_device m_riot0; required_device m_riot1; required_device m_miot; required_device m_via; required_device m_floppy0; optional_device m_floppy1; required_device m_fdc; required_ioport m_address; // IEEE-488 bus int m_rfdo; // not ready for data output int m_daco; // not data accepted output int m_atna; // attention acknowledge int m_ifc; }; // ======================> c8250_t class c8250_t : public c8050_t { public: // construction/destruction c8250_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual machine_config_constructor device_mconfig_additions() const; DECLARE_FLOPPY_FORMATS( floppy_formats ); }; // ======================> c8250lp_t class c8250lp_t : public c8050_t { public: // construction/destruction c8250lp_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_FLOPPY_FORMATS( floppy_formats ); }; // ======================> sfd1001_t class sfd1001_t : public c8050_t { public: // construction/destruction sfd1001_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_FLOPPY_FORMATS( floppy_formats ); }; // device type definition extern const device_type C8050; extern const device_type C8250; extern const device_type C8250LP; extern const device_type SFD1001; #endif