Terminal protocols

Details Terminal protocols Terminal protocols

1984-12-31

1988-03-22

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 314

Patent

active

047333510

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 key board 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, protocols which control the use of fill characters, a protocol which resets the attributes of a string of characters, protocols for shifting fields to the left and right and scrolling regions up and down, protocols which save and restore the current cursor state, protocols for loading bit maps and checking their correctness, a protocol for setting the current mode of specifying shifted characters, a protocol for setting the high bit of a following code, 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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International Standard 6429, International Organization for Standardization, 1983, Ref. No. 150 6429-1983(E), 8.2.69.

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