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Texas Instruments Explorer

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This articlehas an unclearcitation style. The references used may be made clearer with a different or consistent style ofcitation andfootnoting.(June 2012) (Learn how and when to remove this message)

TheTexas Instruments Explorer is a family ofLisp machine computers. These computers were sold byTexas Instruments (TI) in the 1980s. The Explorer is based on a design fromLisp Machines Incorporated, which is based on the MITLisp machine. The Explorer was used to develop and deployartificial intelligence software.

Notable is also the early use of theNuBus as thesystem bus for the Explorer computer family.

History

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The Explorer was used to develop and deployartificial intelligence software. Later models were based on a special32-bitmicroprocessor[1] developed by TI, which hardware had enhanced support for executingLisp software.

Operating system

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The operating system of the Explorer was written inLisp Machine Lisp and also supportedCommon Lisp.[2]

Use

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A notable application is SPIKE,[3] the scheduling system for theHubble Space Telescope. SPIKE was developed on Texas Instruments Explorer workstations.

Models

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  • Explorer[4]
  • Explorer II, based on the Lisp microprocessor
  • Explorer LX, which combines the Explorer with a co-processor running a version ofUnix (TI System V)
  • MicroExplorer, aNuBus board for theApple Macintosh based on the Lisp microprocessor

References

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  1. ^Bosshart, Patrick; Hewes, C.; Chang, Mi-Chang; Chau, Kwok-Kit; Hoac, C.; Houston, T.; Kalyan, V.; Lusky, S.; Mahant-Shetti, S.; Matzke, D.; Ruparel, K.; Shaw, Ching-Hao; Sridhar, T.; Stark, D. (February 1987). "A 553K-Transistor LISP Processor Chip".IEEE Journal of Solid-State Circuits. New York, New York, United States:202–203.doi:10.1109/ISSCC.1987.1157084.S2CID 195841103. Solid-State Circuits Conference Digest of Technical Papers vol sc-22 issue nr 5
  2. ^"The Explorer System Software Manuals: Lisp Reference"(PDF). 1985.
  3. ^SPIKE(PDF), archived fromthe original(PDF) on 2017-02-27, Artificial Intelligence Scheduling for theHubble Space Telescope, Mark Johnston, Glenn Miller, Jeff Sponsler, Shon Vick, Robert Jackson, Space Telescope Institute
  4. ^"Official TI Explorer Computer System Brochure".Classic Computer Brochures. 22 September 2014.

Publications

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  • Software innovations for the Texas Instruments Explorer computer, Tennant, H.R.; Bate, R.R.; Corey, S.M.; Davis, L.; Kline, P.; Oren, L.G.; Rajinikanth, M.; Saenz, R.; Stenger, D.; Thompson, C.W., Proceedings of the IEEE Volume 73, Issue 12, Dec. 1985 Page(s): 1771 - 1790
  • Artificial intelligence hardware architectures for the Space Station era: The Texas Instruments Explorer and Compact LISP Machine, Krueger, S. ; Manuel, G. ; Matthews, G. ; Ott, G. ; Watkins, C., Opt. Eng. ; Vol/Issue: 25:11
  • Dussud, P. H. 1988. Lisp hardware architecture: the Explorer II and beyond. SIGPLAN Lisp Pointers 1, 6 (Apr. 1988), 13–18.http://doi.acm.org/10.1145/1317224.1317226
  • P.H. Dussud, TICLOS: An implementation of CLOS for the Explorer Family, In Proc. OOPSLA'89, International Conference on Object-Oriented Programming, Systems, Languages and Applications, 1989, pp. 215–219.
  • Zeitgeist: Database Support for Object-Oriented Programming (1988), by S Ford, J Joseph, D Langworthy, D Lively, G Pathak, E Perez, R. Peterson, D. Sparacin, S. Thatte, D. Wells, S. Agarwal, In Proceedings of the Second International Workshop on Object-Oriented Database Systems (Zeitgeist was an OODBMS developed by Texas Instruments for the Explorer)

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