// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 1570/1571/1571CR Single Disk Drive emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __C1571__ #define __C1571__ #include "emu.h" #include "cbmiec.h" #include "bus/c64/bn1541.h" #include "cpu/m6502/m6502.h" #include "imagedev/flopdrv.h" #include "formats/d64_dsk.h" #include "formats/g64_dsk.h" #include "machine/64h156.h" #include "machine/6522via.h" #include "machine/isa.h" #include "machine/mos6526.h" #include "machine/wd_fdc.h" #include "machine/isa_wd1002a_wx1.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define C1571_TAG "c1571" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c1571_device class c1571_device : public device_t, public device_cbm_iec_interface, public device_c64_floppy_parallel_interface { public: // construction/destruction c1571_device(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_device(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_READ_LINE_MEMBER( atn_in_r ); DECLARE_READ_LINE_MEMBER( wprt_r ); 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 ); 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 m_maincpu; required_device m_via0; required_device m_via1; required_device m_cia; required_device m_fdc; required_device m_ga; required_device m_image; //required_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_device class c1570_device : public c1571_device { public: // construction/destruction c1570_device(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_device class c1571cr_device : public c1571_device { public: // construction/destruction c1571cr_device(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_device class mini_chief_device : public c1571_device { public: // construction/destruction mini_chief_device(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