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Print Screen Control Character for Compressed Print

IP.com Disclosure Number: IPCOM000038941D
Original Publication Date: 1987-Mar-01
Included in the Prior Art Database: 2005-Feb-01
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Bartek, BA: AUTHOR [+2]

Abstract

A method is described to cue user input at the prompt line. The Starburst character ASCII x`15' is used by some printers as a control character to begin compressed printing mode. If a menu were to use the same character on the prompt line of a menu, then, each time a screen is printed on such a printer, everything that is printed after the x`15' is printed in compressed mode. The user can turn off the compressed mode only by entering DOS and turning off the compressed mode via a command to the printer. In accordance with the new method, the prompt appears on the prompt line followed by the cursor marking the position where the user enters each choice. The Starburst x`15' was removed from the prompt line. Many characters were entertained as candidates for replacing the Starburst.

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Print Screen Control Character for Compressed Print

A method is described to cue user input at the prompt line. The Starburst character ASCII x`15' is used by some printers as a control character to begin compressed printing mode. If a menu were to use the same character on the prompt line of a menu, then, each time a screen is printed on such a printer, everything that is printed after the x`15' is printed in compressed mode. The user can turn off the compressed mode only by entering DOS and turning off the compressed mode via a command to the printer. In accordance with the new method, the prompt appears on the prompt line followed by the cursor marking the position where the user enters each choice. The Starburst x`15' was removed from the prompt line. Many characters were entertained as candidates for replacing the Starburst. The most visually effective character was found to be the blank. The blank provides a simple visual impression while calling the user's attention to the blinking cursor where the user's input will appear. The previous solution to this problem was to refer the user to the printer manual in order to determine whether the print screen function was sensitive to the x`15' control character. If it was, the print screen function could not be used. Alternatively, the user could enter DOS and turn off the compressed print mode with a command to the printer.

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