// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 1581/1563 Single Disk Drive emulation **********************************************************************/ #ifndef MAME_BUS_CBMIEC_C1581_H #define MAME_BUS_CBMIEC_C1581_H #pragma once #include "cbmiec.h" #include "cpu/m6502/m6502.h" #include "formats/d81_dsk.h" #include "imagedev/floppy.h" #include "machine/mos6526.h" #include "machine/wd_fdc.h" //************************************************************************** // MACROS / CONSTANTS //************************************************************************** #define C1581_TAG "c1581" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c1581_device class c1581_device : public device_t, public device_cbm_iec_interface { public: // construction/destruction c1581_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); protected: c1581_device(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 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; private: enum { LED_POWER = 0, LED_ACT }; void update_iec(); DECLARE_WRITE_LINE_MEMBER( cnt_w ); DECLARE_WRITE_LINE_MEMBER( sp_w ); uint8_t cia_pa_r(); void cia_pa_w(uint8_t data); uint8_t cia_pb_r(); void cia_pb_w(uint8_t data); void c1581_mem(address_map &map); static void floppy_formats(format_registration &fr); required_device m_maincpu; required_device m_cia; required_device m_fdc; required_device m_floppy; required_ioport m_address; output_finder<2> m_leds; int m_data_out; // serial data out int m_atn_ack; // attention acknowledge int m_fast_ser_dir; // fast serial direction int m_sp_out; // fast serial data out int m_cnt_out; // fast serial clock out }; // ======================> c1563_device class c1563_device : public c1581_device { public: // construction/destruction c1563_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock); // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; }; // device type definition DECLARE_DEVICE_TYPE(C1563, c1563_device) DECLARE_DEVICE_TYPE(C1581, c1581_device) #endif // MAME_BUS_CBMIEC_C1581_H