ITS 138 - Revision history

Larsbrinkhoff: Other PDP-6 listings.

2024-01-19T06:28:48Z

Other PDP-6 listings.

@@ Line 103: / Line 103: @@
 |-
 | colspan="6" | || OPER 22 || UDISMT
 |}

Larsbrinkhoff: Link to transcription of AI memo 105.

2024-01-10T16:38:38Z

Link to transcription of AI memo 105.

← Older revision		Revision as of 16:38, 10 January 2024
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	[[Image:GE-console-at-AI-lab.png\|thumb\|right\|400px\|ITS 138 supported for its time advanced CRT terminals called "GE consoles".]]		[[Image:GE-console-at-AI-lab.png\|thumb\|right\|400px\|ITS 138 supported for its time advanced CRT terminals called "GE consoles".]]

	* Modified TTY device that handles four more teletypes, as per [~~https://dspace.mit.edu/handle/1721.1/6130~~ AI memo 105 ~~"Modifications to PDP-6 Teletype Logic"~~]. Interestingly, this was done already in August 1966.		* Modified TTY device that handles four more teletypes, as per [[MIT AI memo 105]]. Interestingly, this was done already in August 1966.
	* Four [[MIT AI lab IO bus interface for GE Datanet 760\|GE Datanet 760 CRT consoles]], present already in July/September 1967 per [https://apps.dtic.mil/sti/pdfs/AD0681342.pdf Project MAC Progress Report IV].		* Four [[MIT AI lab IO bus interface for GE Datanet 760\|GE Datanet 760 CRT consoles]], present already in July/September 1967 per [https://apps.dtic.mil/sti/pdfs/AD0681342.pdf Project MAC Progress Report IV].
	* The second generation vidissector, "TVB". Mentioned in [https://dspace.mit.edu/handle/1721.1/5882 AI memo 113]. The input is slaved to the Type 340 deflectors.		* The second generation vidissector, "TVB". Mentioned in [https://dspace.mit.edu/handle/1721.1/5882 AI memo 113]. The input is slaved to the Type 340 deflectors.
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	==See also==		==See also==

			* [[MIT AI memo 105]]
	* [[MIT AI lab IO bus interface for GE Datanet 760]]		* [[MIT AI lab IO bus interface for GE Datanet 760]]

Larsbrinkhoff: All 133 pages have been transcribed.

2023-12-30T14:08:37Z

All 133 pages have been transcribed.

← Older revision		Revision as of 14:08, 30 December 2023
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	[[Image:ITS-138-cover-page.jpg\|thumb\|right\|400px\|ITS 138 front page]]		[[Image:ITS-138-cover-page.jpg\|thumb\|right\|400px\|ITS 138 front page]]

	Gerald Sussman has preserved a listing of [[Incompatible Timesharing System\|ITS]] version 138, most likely from 1967. It was mentioned in Grant Fjermedal's 1986 book "The Tomorrow Makers". In 2023, MIT Museum staff began processing the listing, and volunteers transcribed it to machine readable files~~; at this point there are 25 pages out of more than 120~~. The TITLE statement on the first line says "ITS 1.0 3/19/67", but there is reason to believe the date has not been kept current with edits.		Gerald Sussman has preserved a listing of [[Incompatible Timesharing System\|ITS]] version 138, most likely from 1967. It was mentioned in Grant Fjermedal's 1986 book "The Tomorrow Makers". In 2023, MIT Museum staff began processing the listing, and volunteers transcribed it to machine readable files. The TITLE statement on the first line says "ITS 1.0 3/19/67", but there is reason to believe the date has not been kept current with edits.

	The format of the listing is in the output of some cross reference tool. Each line is prefixed with a line number and a symbol reference. The last three pages are a table which lists all symbols and where they are defined.		The format of the listing is in the output of some cross reference tool. Each line is prefixed with a line number and a symbol reference. The last three pages are a table which lists all symbols and where they are defined.

Larsbrinkhoff: Screenshot of ITS 138 running @ HACTRN on a PDP-6 emulator, displaying on a GE DATANET-760 terminal emulator.

2023-12-30T14:04:12Z

Screenshot of ITS 138 running @ HACTRN on a PDP-6 emulator, displaying on a GE DATANET-760 terminal emulator.

← Older revision		Revision as of 14:04, 30 December 2023
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	The format of the listing is in the output of some cross reference tool. Each line is prefixed with a line number and a symbol reference. The last three pages are a table which lists all symbols and where they are defined.		The format of the listing is in the output of some cross reference tool. Each line is prefixed with a line number and a symbol reference. The last three pages are a table which lists all symbols and where they are defined.

			[[Image:ITS138-is-alive.png\|thumb\|right\|400px\|ITS 138 running @ HACTRN on a PDP-6 emulator, displaying on a GE DATANET-760 terminal emulator.]]

	==Supported hardware==		==Supported hardware==

Larsbrinkhoff: Picture of a "GE console".

2023-12-19T07:02:07Z

Picture of a "GE console".

← Older revision		Revision as of 07:02, 19 December 2023
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	==Supported hardware==		==Supported hardware==

			[[Image:GE-console-at-AI-lab.png\|thumb\|right\|400px\|ITS 138 supported for its time advanced CRT terminals called "GE consoles".]]

	* Modified TTY device that handles four more teletypes, as per [https://dspace.mit.edu/handle/1721.1/6130 AI memo 105 "Modifications to PDP-6 Teletype Logic"]. Interestingly, this was done already in August 1966.		* Modified TTY device that handles four more teletypes, as per [https://dspace.mit.edu/handle/1721.1/6130 AI memo 105 "Modifications to PDP-6 Teletype Logic"]. Interestingly, this was done already in August 1966.

Larsbrinkhoff: I think we can say 1967 with high confidence.

2023-12-19T06:21:23Z

I think we can say 1967 with high confidence.

← Older revision		Revision as of 06:21, 19 December 2023
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	[[Image:ITS-138-cover-page.jpg\|thumb\|right\|400px\|ITS 138 front page]]		[[Image:ITS-138-cover-page.jpg\|thumb\|right\|400px\|ITS 138 front page]]

	Gerald Sussman has preserved a listing of [[Incompatible Timesharing System\|ITS]] version 138 from ~~around~~ 1967~~-68~~. It was mentioned in Grant Fjermedal's 1986 book "The Tomorrow Makers". In 2023, MIT Museum staff began processing the listing, and volunteers transcribed it to machine readable files; at this point there are 25 pages out of more than 120. The TITLE statement on the first line says "ITS 1.0 3/19/67", but there is reason to believe the date has not been kept current with edits.		Gerald Sussman has preserved a listing of [[Incompatible Timesharing System\|ITS]] version 138, most likely from 1967. It was mentioned in Grant Fjermedal's 1986 book "The Tomorrow Makers". In 2023, MIT Museum staff began processing the listing, and volunteers transcribed it to machine readable files; at this point there are 25 pages out of more than 120. The TITLE statement on the first line says "ITS 1.0 3/19/67", but there is reason to believe the date has not been kept current with edits.

	The format of the listing is in the output of some cross reference tool. Each line is prefixed with a line number and a symbol reference. The last three pages are a table which lists all symbols and where they are defined.		The format of the listing is in the output of some cross reference tool. Each line is prefixed with a line number and a symbol reference. The last three pages are a table which lists all symbols and where they are defined.

Larsbrinkhoff: Link to the aptly named "MIT AI lab IO bus interface for GE Datanet 760" article.

2023-12-19T06:19:58Z

Link to the aptly named "MIT AI lab IO bus interface for GE Datanet 760" article.

← Older revision		Revision as of 06:19, 19 December 2023
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	* Modified TTY device that handles four more teletypes, as per [https://dspace.mit.edu/handle/1721.1/6130 AI memo 105 "Modifications to PDP-6 Teletype Logic"]. Interestingly, this was done already in August 1966.		* Modified TTY device that handles four more teletypes, as per [https://dspace.mit.edu/handle/1721.1/6130 AI memo 105 "Modifications to PDP-6 Teletype Logic"]. Interestingly, this was done already in August 1966.
	* Four GE Datanet 760 CRT consoles, present already in July/September 1967 per [https://apps.dtic.mil/sti/pdfs/AD0681342.pdf Project MAC Progress Report IV].		* Four [[MIT AI lab IO bus interface for GE Datanet 760\|GE Datanet 760 CRT consoles]], present already in July/September 1967 per [https://apps.dtic.mil/sti/pdfs/AD0681342.pdf Project MAC Progress Report IV].
	* The second generation vidissector, "TVB". Mentioned in [https://dspace.mit.edu/handle/1721.1/5882 AI memo 113]. The input is slaved to the Type 340 deflectors.		* The second generation vidissector, "TVB". Mentioned in [https://dspace.mit.edu/handle/1721.1/5882 AI memo 113]. The input is slaved to the Type 340 deflectors.
	* 16K core, or (preferably) [[Fabritek Core Memory\|256K moby core memory from Fabri-Tek]]. The latter was installed in 1966, but took almost a year to be fully operational.		* 16K core, or (preferably) [[Fabritek Core Memory\|256K moby core memory from Fabri-Tek]]. The latter was installed in 1966, but took almost a year to be fully operational.

Jnc: +Categories

2023-12-18T19:58:31Z

+Categories

← Older revision		Revision as of 19:58, 18 December 2023
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	* [https://github.com/PDP-6/ITS-138 GitHub repository with ITS 138 page photos and transcribed text].		* [https://github.com/PDP-6/ITS-138 GitHub repository with ITS 138 page photos and transcribed text].
	* [https://dspace.mit.edu/handle/1721.1/6085 ITS 1.4 Reference Manual], is close in time to ITS 138.		* [https://dspace.mit.edu/handle/1721.1/6085 ITS 1.4 Reference Manual], is close in time to ITS 138.

			[[Category: PDP-10 Operating Systems]]
			[[Category: Non-DEC Operating Systems]]

Jnc: /* See also */ +MIT AI lab IO bus interface for GE Datanet 760

2023-12-18T15:46:18Z

See also: +MIT AI lab IO bus interface for GE Datanet 760

← Older revision		Revision as of 15:46, 18 December 2023
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	\| colspan="6" \| \|\| OPER 22 \|\| UDISMT		\| colspan="6" \| \|\| OPER 22 \|\| UDISMT
	\|}		\|}

			==See also==

			* [[MIT AI lab IO bus interface for GE Datanet 760]]

	==External links==		==External links==

Larsbrinkhoff: /* Supported hardware */ Sources don't mention MAR or one-proceed.

2023-12-18T11:42:28Z

Supported hardware: Sources don't mention MAR or one-proceed.

← Older revision		Revision as of 11:42, 18 December 2023
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	* DEC Type 340 display.		* DEC Type 340 display.
	* Line printer.		* Line printer.
	* MAR register to trap memory accesses.
	* One-proceed for single stepping.

	==Source code walkthrough==		==Source code walkthrough==