[libre-riscv-dev] [Bug 217] create a "ring" system which allows pad locations to be specified conveniently

[bugzilla-daemon at libre-riscv.org]

http://bugs.libre-riscv.org/show_bug.cgi?id=217

--- Comment #38 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jock Tanner from comment #37)
> Created attachment 44 [details]
> I think this picture is correct
> 
> I'll get back to 'ChipConf' tomorrow.

oleeeee!  it's so preeetttyyy :)  we got to the bottom of it.  hurrah.

if you press Ctrl-I then you can enable Filter-tab "Process Tools",
and see the actual cells.

personally i find it absolutely bleedin fascinating.
zoom in close and then use Ctrl-Right-Mouse and it will show you
the name of any instances at that mouse-point (VIAs, METAL traces,
and the Cells themselves.

you can then, if you are feeling particularly fascinated / horrified
by the level of detail, search (grep) for that name back in the
*vst* files:

   grep subctk_33_sff1 *.vst

for example.

ok so let's start again, tomorrow, from here:
http://bugs.libre-riscv.org/show_bug.cgi?id=217#c20

btw i have to travel down to Essex tomorrow, i'm catching a coach at
6pm, overnight.  i'll have internet access (through a WIFI-4G router)
just no laptop set up. most likely i'll be "properly" back online by
thursday evening.  so if you get messages from me which are both
obtuse and badly spelled, you know i'm pecking one-finger at a hand-held
device.

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