G - Physics – 06 – F
Patent
G - Physics
06
F
354/229
G06F 17/27 (2006.01) G06F 17/24 (2006.01)
Patent
CA 1119306
Abstract of the Disclosure A text-editing system having a keyboard for the input of character and text-editing operation signals, writable text storage, display and writable display storage, and control storage storing groups of microin- structions is described, A system control is responsive to an interrupt signal from the keyboard for decoding an input signal and deriving there- from internal control signals for operation of the system, including modifi- cation of the display storage and text storage. Apparatus is provided for inputting the character and text-editing operation signals in either of two alternative modes. A select/store circuit is responsive to a select/store signal to select from the text storage character and operation signals modified according to a first alternative mode and to store them in a special condition storage. The system control is thereafter responsive to a recall signal to disable the keyboard interrupt, retrieve the stored signals, and operate according to them. Also, apparatus is provided for inputting the text-editing operation signals in association with a special input condition signal. Displayable representations of such operation signals are accessed, displayed and stored in text storage, but the operation is not carried out. The select/store circuit replaces the displayable representations with executable representations.
339684
Anagnostopoulos Paul
Corwin Daniel W.
Koplow Harold S.
Moros David
Smart & Biggar
Wang Laboratories Inc.
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