[TUHS] Re: [COFF] Early Bell Laboratories CPU Datasheets

[TUHS] Re: [COFF] Early Bell Laboratories CPU Datasheets

[segaloco via TUHS]

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And now I've started a repository here: https://gitlab.com/segaloco/pwb5btl_man

This will slowly accumulate reconstructions of the various manpages in the BTL edition of the Release 5.0 User's and Administrator's Manuals. I've started with the MAC-4 development utilities, and intend to tackle the pages for the MAC-8 and BASIC-16 environments next. I'll be adding various pages from these manuals over time, in the same spirit as my 4.1 3B20S project. I look forward to the opportunity to share these materials around Bell Labs's use of UNIX in their hardware design operations. Will probably start a more focused TUHS thread when the repository has more stuff in it, but a Bcc mention for now.

- Matt G.
On Friday, September 5th, 2025 at 23:02, segaloco via COFF <coff@tuhs.org> wrote:

> Just wanted to share a couple of datasheets that may interest folks here. This evening I scanned both the MAC-8 and MAC-4 preliminary datasheets from late 1978. While many details of the MAC-8 are currently known, the MAC-4 has been elusive in my study until I received these documents in a collection of MAC-8 materials.
>
> [https://archive.org/details/212-b-mac-8-data-sheet](https://archive.org/details/212-b-mac-8-data-sheet/)
>
> [https://archive.org/details/mac-4-specification-sheet](https://archive.org/details/mac-4-specification-sheet/)
>
> These are Bell Laboratories' 1970's 8-bit and 4-bit microprocessors which preceded their work on the WE32000.
>
> I have some hints on the typical development environment too. The BTL editions of the UNIX 5.0 and SVR2 manuals contain numerous references to MAC-8 and MAC-4 tools. I intend to preserve those pages too as part of a larger effort to illuminate the history of these two processors.
>
> I've provided much more info here: https://forum.vcfed.org/index.php?threads/western-electric-component-databooks.1250931/#post-1464263
>
> - Matt G.

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