// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore PET/VIC-20/C64/Plus-4 Datassette Port emulation ********************************************************************** GND 1 A GND +5V 2 B +5V MOTOR 3 C MOTOR READ 4 D READ WRITE 5 E WRITE SENSE 6 F SENSE **********************************************************************/ #pragma once #ifndef __PET_DATASSETTE_PORT__ #define __PET_DATASSETTE_PORT__ #include "emu.h" //************************************************************************** // CONSTANTS //************************************************************************** #define PET_DATASSETTE_PORT_TAG "tape" #define PET_DATASSETTE_PORT2_TAG "tape2" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_PET_DATASSETTE_PORT_ADD(_tag, _slot_intf, _def_slot, _devcb) \ MCFG_DEVICE_ADD(_tag, PET_DATASSETTE_PORT, 0) \ MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) \ devcb = &pet_datassette_port_device::set_read_handler(*device, DEVCB_##_devcb); //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> pet_datassette_port_device class device_pet_datassette_port_interface; class pet_datassette_port_device : public device_t, public device_slot_interface { public: // construction/destruction pet_datassette_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); virtual ~pet_datassette_port_device(); // static configuration helpers template static devcb_base &set_read_handler(device_t &device, _Object object) { return downcast(device).m_read_handler.set_callback(object); } // computer interface DECLARE_READ_LINE_MEMBER( read ); DECLARE_WRITE_LINE_MEMBER( write ); DECLARE_READ_LINE_MEMBER( sense_r ); DECLARE_WRITE_LINE_MEMBER( motor_w ); // device interface DECLARE_WRITE_LINE_MEMBER( read_w ); protected: // device-level overrides virtual void device_start() override; devcb_write_line m_read_handler; device_pet_datassette_port_interface *m_cart; }; // ======================> device_pet_datassette_port_interface // class representing interface-specific live c64_expansion card class device_pet_datassette_port_interface : public device_slot_card_interface { public: // construction/destruction device_pet_datassette_port_interface(const machine_config &mconfig, device_t &device); virtual ~device_pet_datassette_port_interface(); virtual int datassette_read() { return 1; }; virtual void datassette_write(int state) { }; virtual int datassette_sense() { return 1; }; virtual void datassette_motor(int state) { }; protected: pet_datassette_port_device *m_slot; }; // device type definition extern const device_type PET_DATASSETTE_PORT; // slot devices #include "c2n.h" #include "diag264_lb_tape.h" SLOT_INTERFACE_EXTERN( cbm_datassette_devices ); #endif