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Diffstat (limited to 'trunk/src/emu/imagedev/printer.c')
-rw-r--r-- | trunk/src/emu/imagedev/printer.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/trunk/src/emu/imagedev/printer.c b/trunk/src/emu/imagedev/printer.c new file mode 100644 index 00000000000..81731040ab8 --- /dev/null +++ b/trunk/src/emu/imagedev/printer.c @@ -0,0 +1,128 @@ +/**************************************************************************** + + 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); +} + |