AN/UYK-8
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The AN/UYK-8 was a UNIVAC computer.
Development
[edit]In April 1967, UNIVAC received a contract from the US Navy for design, development, testing and delivery of the AN/UYK-8 microelectronics computer for use with the AN/TYA-20.[1]
The AN/UYK-8 was built to replace the CP-808 (Marine Corps air cooled AN/USQ-20 variant) in the Beach Relay Link-11 communication system,[2] the AN/TYQ-3 in a AN/TYA-20[3]
Technical
[edit]It used the same 30-bit words and instruction set as the AN/USQ-17 and AN/USQ-20 Naval Tactical Data System (NTDS) computers, built with "first generation integrated circuits". This made it about one quarter of the volume of the AN/USQ-20.[2] It had two processors instead of just one.[2]
Instructions were represented as 30-bit words, in the following format:
f 6 bits function code j 3 bits jump condition designator k 3 bits partial word designator b 3 bits which seven index register to use (B0=non used) s 2 bits which S (5bits) register to use S0,S1,S2,S3(P(17-13)) y 13 bits operand address in memory memory address = Bb + Ss + y = 18 bit (262,144 words)
Numbers were represented as full 30-bit words. This also allowed for five 6-bit alphanumeric characters per word.
The main memory was increased to 262,144 words (256K words) of magnetic core memory.
The available processor registers were:
- one 30-bit arithmetic (A) register.
- a contiguous 30-bit Q register (total of 60 bits for the result of multiplication or the dividend in division).
- seven 30-bit index (B) registers.
See also
[edit]- List of military electronics of the United States
- List of UNIVAC products
- History of computing hardware
- Joint Electronics Type Designation System
References
[edit]- ^ The Acquisition of Weapons Systems, Washington D.C.: US Government Printing Office, November 16, 1973, p. 2761, retrieved September 8, 2024,
Under contracts NOw 66-063 awarded on 24 June 1966 and NO0024-67-C-1361 awarded on 28 April 1967, the UNIVAC Division of the Sperry Rand Corporation (UNIVAC) developed the CP-901 computer for use in the ANEW project, and the AN/UYK-8 microelectronics computer for use with the AN/TYA-20
- ^ a b c David L. Boslaugh. "IEEE Global History Network - First-Hand:Legacy of NTDS - Chapter 9 of the Story of the Naval Tactical Data System". Retrieved March 11, 2021.
- ^ "Information Technology (IT) Pioneers - 3.1 Clint Jurgens, 1971-1988". Retrieved September 8, 2024.
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