[Libre-soc-dev] daily kan-ban update 22sep2020
Tobias Platen
libre-soc at platen-software.de
Tue Sep 22 20:15:37 BST 2020
Today: reading ls180.py versa_ecp5.py and ls180soc.py after no activity for some time
On Tue, 22 Sep 2020 12:16:28 +0100
Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote:
> bit of a stressful scary moment on discovering that there's a bug in
> the divwe, divde, divweu and divdeu pseudocode for the simulator. the
> overflow conditions for divwe are "result must fit completely in lower
> 32 bits" and of course the test was, thank you IBM MSB0 / LSB0,
> testing the wrong half of the intermediate result.
>
> 2 days before a code-freeze, thank god it was just the simulator not the HDL.
>
> ngggggh!
>
> i am back to adding JTAG to ls180soc, should be very straightforward.
>
> l.
>
> ---
> crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
>
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--
Tobias Platen <libre-soc[at]platen-software[dot]de>
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