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 Details of T42 a transputer in VHDL (no source yet) 
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Joined: Wed Jan 09, 2013 6:54 pm
Posts: 1789
There's a preprint of an interesting paper by Uwe MIELKE and Martin ZABEL, in collaboration with Michael BRUESTLE, about the T42 transputer re-implementation: ... eprint.pdf

The T42 Transputer in FPGA is a full binary-code compatible opensource VHDL implementation of the Inmos IMS-T425 32bit microprocessor.

This is an integer-only, simple microarchitecture, microcoded machine. Many links in the references, and comparisons within to other re-implementations and other cores.

There seems to be an intent to publish source but it seems not to have happened yet.

Our T42 open-source Transputer-in-FPGA is a full binary-code compatible design to the Inmos IMS-T425 32bit version of the Transputer. Our self-developed microcode will cover the full instruction set. Any still available Transputer software should run. Support of many cores in FPGA was intended from the beginning and quite a large number of interlinked T42 cores can be loaded on suitable sized FPGA boards. For external memory extension state-of-the-art DDR-SDRAM can be connected to the T42 core. Therefore all initial design targets have been achieved.

Sat Jan 04, 2020 1:13 pm
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