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                                 L_PRTSCRN()


Syntax:        L_PRTSCRN()


Purpose:       To perform a ROM BIOS Print Screen interrupt.


Arguments:     None.


Returns:       Nothing.


Usage:         Whenever a copy of the screen is needed issue this
               function call.

               This works in the same way as using Shift+PrtScrn as
               specified in the DOS manual.  Please refer to the DOS
               manual for any instructions specific to the use of the
               Shift+PrtScrn facility or any circumstances relating to
               the use of this facility.

               Most importantly, a printer must be attached,
               operational and on-line before calling this function.


Examples:      * Perform a text screen dump to a printer
               @ 10,10 SAY "Ensure printer is attached and on-line"
               @ 11,10 SAY "Press <SPACE> to continue..."
               key = 0
               DO WHILE key <> 32
                  key = inkey(0)
               ENDDO

               * Do it!
               L_PRTSCRN()


Language:      Assembler