Cursor control in a message editor

Details Cursor control in a message editor Cursor control in a message editor

1987-10-01

1988-11-22

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340748, 400 63, 400 83, G09G 116

Patent

active

047868945

ABSTRACT:
A cursor control on a screen in a message editor which produces a message by using a keyboard and a programmed computer, said cursor control has a cursor memory which stores address of the present cursor location, and X-addresses of last data locations of the present cursor line and immediate upper and the immediate down lines, and a cursor processor for controlling said cursor and said cursor memory are provided. Said cursor processor operates so that when a cursor is instructed to move to another line by depression of up key and/or down key in said keyboard, and the destination location is a null area which has no data on the screen, the cursor is automatically located to the last data location on a destination line by referring to said cursor memory.

REFERENCES:
patent: 4434419 (1984-02-01), Couper et al.
patent: 4504825 (1985-03-01), Bergermann et al.
patent: 4686649 (1987-08-01), Rush et al.
"Wordstar.TM. Reference Manual", Micropro International Corp., Release 3.3, 1983, pp. 3-8.

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