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Re: [Gnucap-devel] events and step control

From: Felix Salfelder
Subject: Re: [Gnucap-devel] events and step control
Date: Tue, 23 Apr 2019 22:50:52 +0200
User-agent: NeoMutt/20170113 (1.7.2)

On Mon, Apr 15, 2019 at 03:57:27PM -0400, al davis wrote:
> On Mon, 15 Apr 2019 07:37:36 +0100
> Felix Salfelder <address@hidden> wrote:
> > in auto mode, a step is rejected and interferes with the inverter
> > transition. it seems the inverter forgets its state. is this a bug in
> > some logic tr_regress?
> known bug .. see
> The one you noticed, the one referenced above, has to do with behavior
> when a discrete event (control code 2) is rejected.  Apparently, the
> event happens prematurely, at the reschedule time.  It should be backed
> out and rescheduled, as would happen automatically with an analog event
> (control code 7).

i have had a quick look. a few edits to seem to improve it.
see evt-2 branch. it does affect the d_logic.01.* timing tests, and
needs a closer look, still.

> Logic device inputs, taking analog values, do not
> schedule cross events (code 7, see switch) so timing is sloppy.  Adding
> a switch to the netlist corrects this, but code should be in d_logic*.

will see where it fits in.


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