Computer system with scannable program memory

Details Computer system with scannable program memory Computer system with scannable program memory

1980-08-15

1983-03-15

Atkinson, Charles E.

Boots, shoes, and leggings

G06F 900

Patent

active

043769772

ABSTRACT:
A computer system having a program memory for machine instructions to be executed and for other data not included in machine instructions to be executed, also a keyboard, a display device and a processor. In the program memory a quantity of such other data is preceded by a special code from a pre-determined set of not-to-be-executed machine codes plus an adjacent indication giving the address distance between the beginning and the end of the other data in question. A decoder that can address specifically the machine-code set is connected to the instruction register. An address-distance detector is also connected. Together, these elements generate a signal to process the quantity of other data in a specific way and, in particular, not to treat them as further machine instructions. In the design phase of a program, no large capacity memory is required for the text because all relevant information can be stored in a program memory of limited capacity because the machine program has a very compact notation.

REFERENCES:
patent: 3893084 (1975-07-01), Kotok et al.
patent: 4089059 (1978-05-01), Miller et al.
patent: 4180854 (1979-12-01), Walden et al.
patent: 4231087 (1980-10-01), Hunsberger et al.

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