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-rw-r--r--trunk/src/emu/imagedev/printer.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/trunk/src/emu/imagedev/printer.h b/trunk/src/emu/imagedev/printer.h
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index 00000000000..d0da1daca0b
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+++ b/trunk/src/emu/imagedev/printer.h
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+/****************************************************************************
+
+ printer.h
+
+ Code for handling printer devices
+
+****************************************************************************/
+
+#ifndef __PRINTER_H__
+#define __PRINTER_H__
+
+#include "diimage.h"
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+***************************************************************************/
+
+// ======================> printer_interface
+
+struct printer_interface
+{
+ devcb_write_line m_online;
+};
+
+// ======================> printer_image_device
+
+class printer_image_device : public device_t,
+ public printer_interface,
+ public device_image_interface
+{
+public:
+ // construction/destruction
+ printer_image_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+ virtual ~printer_image_device();
+
+ // image-level overrides
+ virtual bool call_load();
+ virtual bool call_create(int format_type, option_resolution *format_options);
+ virtual void call_unload();
+
+ virtual iodevice_t image_type() const { return IO_PRINTER; }
+
+ virtual bool is_readable() const { return 0; }
+ virtual bool is_writeable() const { return 1; }
+ virtual bool is_creatable() const { return 1; }
+ virtual bool must_be_loaded() const { return 0; }
+ virtual bool is_reset_on_load() const { return 0; }
+ virtual const char *image_interface() const { return NULL; }
+ virtual const char *file_extensions() const { return "prn"; }
+ virtual const option_guide *create_option_guide() const { return NULL; }
+
+ // specific implementation
+
+ /* checks to see if a printer is ready */
+ int is_ready();
+ /* outputs data to a printer */
+ void output(UINT8 data);
+protected:
+ // device-level overrides
+ virtual void device_config_complete();
+ virtual void device_start();
+
+ devcb_resolved_write_line m_online_func;
+};
+
+
+// device type definition
+extern const device_type PRINTER;
+
+
+#define MCFG_PRINTER_ADD(_tag) \
+ MCFG_DEVICE_ADD(_tag, PRINTER, 0) \
+
+#endif /* __PRINTER_H__ */