Terminal protocols

Details Terminal protocols Terminal protocols

G - Physics

06

F

354/236

G06F 13/42 (2006.01) G06F 3/14 (2006.01)

Patent

CA 1242286

ABSTRACT Protocols for communicating between a digital data processing system and a terminal. The terminal permits specification of attributes for characters, of fill characters and their attributes, of keyboard bit maps, and of different modes of specifying a group of shifted characters. The protocols include a protocol which takes another as an operand and specifies how the second protocol is to be executed, a protocol which resets the attributes of a string of characters, protocols for shifting fields to the left and right, protocols for loading bit maps and checking their correctness, and a protocol for obtaining the attribute of the character at the current cursor position. There is also disclosed a new form of terminal to data processing system protocol.

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