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Language peer sets for SO 2:
United States↑
United States/1952↑
Designed 1952 ↑
1950s languages ↑
First generation↑
Immediate Post-War↑
Genus Symbolic assemblers ↑
Excluded from Sammet ↑
Symbolic assemblers↑
Assemblers↑
Fixed operation ↑
Symbolic assemblers/1952↑
Assemblers/1952↑
Fixed operation/1952↑
Symbolic assemblers/United States↑
Assemblers/United States↑
Fixed operation/United States↑
Excluded from Sammet ↑
Excluded from Sammet/1952↑
Excluded from Sammet/us ↑

SO 2(ID:120/so:001)

Symbolic assembler for IBM 701 

alternate simple view
Country: United States
Designed 1952
Published: 1953
Genus: Symbolic assemblers
Sammet category: Excluded from Sammet

Also SO2

Symbolic assembler for the IBM 701 developed internally by McLelland and Rochester (initially when it was still called the Defence Calculator), based on their experiences with the SSAC. It began with a theoretical approach to coding, so by the time the first 701 was delivered to IBM Poughkeepsie Dec. 20, 1952 it only took 4 months to implement. (in use April 1953)

Used a library system developed by McLelland based on that of Wilkes called Regional Assembly, hence the assembler was also called the Regional Assembly Lanugage or RAL. RAL was used to teach the IBM classes in New York City.


People:

Hardware:
Related languages
ASSEMBLY → SO 2   Co-development
RAL → SO 2   Strong Influence
SO 2 → DOUGLAS   Influence
SO 2 → DUAL-607   Based on
References:
  • Bemer (1957) Bemer, R. W. "The Status of Automatic Programming for Scientific Problems" Abstract Extract: Summary Extract: IT, FORTRANSIT, SAP, SOAP, SOHIO
          in [Armour] (1957) "Proceedings of the Fourth Annual Computer Applications Symposium" , Armour Research Foundation, Illinois Institute of Technology, Chicago, Illinois 1957
  • Bemer (1958) [Bemer, RW] [State of ACM automatic coding library August 1958]
          in [Armour] (1957) "Proceedings of the Fourth Annual Computer Applications Symposium" , Armour Research Foundation, Illinois Institute of Technology, Chicago, Illinois 1957
  • [Bemer] (1959) [Bemer, RW] [State of ACM automatic coding library May 1959] Extract: Obiter Dicta
          in [ACM] (1959) [ACM] CACM 2(05) May 1959
  • Carr (1959) Carr, John W III; "Computer Programming" volume 2, chapter 2, pp115-121
          in Crabbe et al (1957) E. M. Crabbe, S. Ramo, and D. E. Wooldridge (eds.) "Handbook of Automation, Computation, and Control," John Wiley & Sons, Inc., New York, 1959.
  • Ryckman (1983) Ryckman George F. "The IBM 701 Computer at the General Motors Research Laboratories" pp210-212 Extract: SPEEDCODE and ACOM at GM Allison
          in [AOHC] (1983) Annals of the History of Computing, 05(2) April-June 1983 IEEE (IBM 701 Issue)
  • (1986) Two IBM assembly programs (9.2) pp323-333 Extract: Rochester Assembler
          in C.J. Bashe, L.R. Johnson, J.H. Palmer, and E.W. Pu (1986) C.J. Bashe, L.R. Johnson, J.H. Palmer, and E.W. Pugh "IBM's Early Computers" MIT Press, 1986 (Vol. 3 in the History of Computing series)
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