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// license:BSD-3-Clause
// copyright-holders:Nathan Woods, Miodrag Milanovic
/****************************************************************************
printer.h
Code for handling printer devices
****************************************************************************/
#ifndef MAME_DEVICES_IMAGEDEV_PRINTER_H
#define MAME_DEVICES_IMAGEDEV_PRINTER_H
#pragma once
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
// ======================> printer_image_device
class printer_image_device : public device_t,
public device_image_interface
{
public:
// construction/destruction
printer_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
auto online_callback() { return m_online_cb.bind(); }
// image-level overrides
virtual image_init_result call_load() override;
virtual image_init_result call_create(int format_type, util::option_resolution *format_options) override;
virtual void call_unload() override;
// image device
virtual iodevice_t image_type() const noexcept override { return IO_PRINTER; }
virtual bool is_readable() const noexcept override { return false; }
virtual bool is_writeable() const noexcept override { return true; }
virtual bool is_creatable() const noexcept override { return true; }
virtual bool must_be_loaded() const noexcept override { return false; }
virtual bool is_reset_on_load() const noexcept override { return false; }
virtual const char *file_extensions() const noexcept override { return "prn"; }
// specific implementation
/* checks to see if a printer is ready */
int is_ready();
/* outputs data to a printer */
void output(uint8_t data);
protected:
// device-level overrides
virtual void device_start() override;
devcb_write_line m_online_cb;
};
// device type definition
DECLARE_DEVICE_TYPE(PRINTER, printer_image_device)
#endif // MAME_DEVICES_IMAGEDEV_PRINTER_H
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