• Source: AN/UYK-8

The AN/UYK-8 was a UNIVAC computer.




Development


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.
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, the AN/TYQ-3 in a AN/TYA-20




Technical


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. It had two processors instead of just one.
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


List of military electronics of the United States
List of UNIVAC products
History of computing hardware
Joint Electronics Type Designation System




References

Kata Kunci Pencarian:

• AN/UYK-8
• List of UNIVAC products
• AN/USQ-17
• Transit (satellite)
• Naval Tactical Data System
• Enhanced Position Location Reporting System
• List of military electronics of the United States
• AN/AYK-14
• Los Angeles-class submarine
• List of transistorized computers