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Groups > comp.sys.transputer > #597 > unrolled thread
| Started by | Chris Hanson <cmhanson@eschatologist.net> |
|---|---|
| First post | 2025-02-07 16:31 -0800 |
| Last post | 2025-05-30 12:29 +0200 |
| Articles | 3 — 3 participants |
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Transputer microcode documentation? Chris Hanson <cmhanson@eschatologist.net> - 2025-02-07 16:31 -0800
Re: Transputer microcode documentation? gavincrate42@yahoo.co.uk (GavinCrate42) - 2025-05-29 15:13 +0000
Re: Transputer microcode documentation? Andy Rabagliati <andyr@wizzy.com> - 2025-05-30 12:29 +0200
| From | Chris Hanson <cmhanson@eschatologist.net> |
|---|---|
| Date | 2025-02-07 16:31 -0800 |
| Subject | Transputer microcode documentation? |
| Message-ID | <vo68ku$3nnq1$1@dont-email.me> |
While the microcode itself has been dumped, where has information about the microcode structure/interpretation been published? It would help enormously in creating emulators. -- Chris
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| From | gavincrate42@yahoo.co.uk (GavinCrate42) |
|---|---|
| Date | 2025-05-29 15:13 +0000 |
| Message-ID | <f20bc0b2acd3105514f3c8bbc3506af1@www.novabbs.com> |
| In reply to | #597 |
Hello Chris, I have written a number of VBC transputer emulators which run on the microcode which I extracted circa. 2015 from the original T414, T425, T800 and T805 devices. The latter two with additional FPU (again micro-coded). Check out my website here: https://sites.google.com/site/transputeremulator/ As for details regarding the microcode internals. I have published on my website the T425 microcode full listing and the complete column driver details. Again, please see the following two webpages on my website for details. https://sites.google.com/site/transputeremulator/Home/t425-ucode-complete-listing-decoded https://sites.google.com/site/transputeremulator/Home/t425-ucode-magic Since the transputer microcode details appear to only be of interest to a handful of people these days, I only plan to release microcode details for the T425 Transputer. It makes for a good study case. Regards Gavin --
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| From | Andy Rabagliati <andyr@wizzy.com> |
|---|---|
| Date | 2025-05-30 12:29 +0200 |
| Message-ID | <101c1ah$eeu0$1@dont-email.me> |
| In reply to | #602 |
On 5/29/25 17:13, GavinCrate42 wrote: > > https://sites.google.com/site/transputeremulator/Home/t425-ucode- > complete-listing-decoded > > https://sites.google.com/site/transputeremulator/Home/t425-ucode-magic > > Since the transputer microcode details appear to only be of interest to > a handful of people these days, I only plan to release microcode details > for the T425 Transputer. It makes for a good study case. > Very impressive - years before Verilog. Cheers, Andy!
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