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Diffstat (limited to 'src/emu/bus/pet/cass.h')
-rw-r--r-- | src/emu/bus/pet/cass.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/emu/bus/pet/cass.h b/src/emu/bus/pet/cass.h new file mode 100644 index 00000000000..495ed31d195 --- /dev/null +++ b/src/emu/bus/pet/cass.h @@ -0,0 +1,120 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Commodore PET/VIC-20/C64/Plus-4 Datassette Port emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +********************************************************************** + + 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, DEVCB2_##_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<class _Object> static devcb2_base &set_read_handler(device_t &device, _Object object) { return downcast<pet_datassette_port_device &>(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(); + + devcb2_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 |