// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 1570/1571/1571CR Single Disk Drive emulation **********************************************************************/ #ifndef MAME_BUS_CBMIEC_C1571_H #define MAME_BUS_CBMIEC_C1571_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 "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_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, const char *tag, device_t *owner, uint32_t clock); 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_FLOPPY_FORMATS( floppy_formats ); void wpt_callback(floppy_image_device *floppy, int state); void c1571_mem(address_map &map); protected: c1571_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; 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_srq(int state) override; virtual void cbm_iec_atn(int state) override; virtual void cbm_iec_data(int state) override; virtual void cbm_iec_reset(int state) override; // device_c64_floppy_parallel_interface overrides virtual void parallel_data_w(uint8_t data) override; virtual void parallel_strobe_w(int state) override; 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_floppy; required_ioport m_address; output_finder<2> m_led; // 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_t clock); protected: // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; }; // ======================> c1571cr_device class c1571cr_device : public c1571_device { public: // construction/destruction c1571cr_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t 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: 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_t 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: DECLARE_READ8_MEMBER( cia_pa_r ); DECLARE_WRITE8_MEMBER( cia_pa_w ); DECLARE_WRITE8_MEMBER( cia_pb_w ); void mini_chief_mem(address_map &map); }; // device type definition DECLARE_DEVICE_TYPE(C1570, c1570_device) DECLARE_DEVICE_TYPE(C1571, c1571_device) DECLARE_DEVICE_TYPE(C1571CR, c1571cr_device) DECLARE_DEVICE_TYPE(MINI_CHIEF, mini_chief_device) #endif // MAME_BUS_CBMIEC_C1571_H