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/****************************************************************************
printer.c
Code for handling printer devices
****************************************************************************/
#include "emu.h"
#include "printer.h"
// device type definition
const device_type PRINTER = &device_creator<printer_image_device>;
//-------------------------------------------------
// printer_image_device - constructor
//-------------------------------------------------
printer_image_device::printer_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, PRINTER, "Printer", tag, owner, clock),
device_image_interface(mconfig, *this)
{
}
//-------------------------------------------------
// printer_image_device - destructor
//-------------------------------------------------
printer_image_device::~printer_image_device()
{
}
//-------------------------------------------------
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void printer_image_device::device_config_complete()
{
// inherit a copy of the static data
const printer_interface *intf = reinterpret_cast<const printer_interface *>(static_config());
if (intf != NULL)
*static_cast<printer_interface *>(this) = *intf;
// or initialize to defaults if none provided
else
{
memset(&m_online, 0, sizeof(m_online));
}
// set brief and instance name
update_names();
}
//-------------------------------------------------
// device_start - device-specific startup
//-------------------------------------------------
void printer_image_device::device_start()
{
m_online_func.resolve(m_online, *this);
}
/***************************************************************************
IMPLEMENTATION
***************************************************************************/
/*-------------------------------------------------
printer_is_ready - checks to see if a printer
is ready
-------------------------------------------------*/
int printer_image_device::is_ready()
{
return exists() != 0;
}
/*-------------------------------------------------
printer_output - outputs data to a printer
-------------------------------------------------*/
void printer_image_device::output(UINT8 data)
{
if (exists())
{
fwrite(&data, 1);
}
}
/*-------------------------------------------------
DEVICE_IMAGE_CREATE( printer )
-------------------------------------------------*/
bool printer_image_device::call_create(int format_type, option_resolution *format_options)
{
return call_load();
}
/*-------------------------------------------------
DEVICE_IMAGE_LOAD( printer )
-------------------------------------------------*/
bool printer_image_device::call_load()
{
/* send notify that the printer is now online */
if (!m_online_func.isnull())
m_online_func(TRUE);
/* we don't need to do anything special */
return IMAGE_INIT_PASS;
}
/*-------------------------------------------------
DEVICE_IMAGE_UNLOAD( printer )
-------------------------------------------------*/
void printer_image_device::call_unload()
{
/* send notify that the printer is now offline */
if (!m_online_func.isnull())
m_online_func(FALSE);
}
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