Boots – shoes – and leggings
Patent
1990-04-27
1991-04-16
Shaw, Gareth D.
Boots, shoes, and leggings
3642318, 3642541, 3642613, 3642624, 3642628, G06F 932, G06F 938, G06F 926
Patent
active
050088076
ABSTRACT:
The abbreviated jump field of the present invention enables each instruction word within the data processing apparatus to cause an instruction sequence branch to one of a limited number of destinations. Each instruction word of the data processing apparatus includes a limited number of bits which are decoded to specify one of a small set of instruction destinations. One of the possible destinations is the normal default destination of the next instruction word. In addition a relatively large number of branch instructions have been found to specify a rather limited number of destinations. In the preferred embodiment of the present invention the limited number of bits of the abbreviated jump field is employed to specify one of these widely used destinations. The widely used destinations may include a return instruction, a conditional skip of execution of the next instruction and various error handling and error recovery routines.
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Intel Corporation; MCS-80/85 Family User's Manual; Oct. 1979; pp. 1-1-1-5, 5-13, 5-14, 5-17.
Amundsen Michael J.
Krueger Steven D.
Chaki Kakali
Comfort James T.
Griebenow L. Joy
Sharp Melvin
Shaw Gareth D.
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