Re: Pleiades - Will the sound *ever* be fixed?
> ... I have a Pleiades PCB here so I can offer more info.
The "alarm sound" in the TMS36xx chips is unknown, i.e. the tune1 array in sr ...
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pullmoll
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03/14/11 11:09 AM
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Gates (not Bill) again
Darn. I think the first batch gates I created are way too big compared to the other parts. If you look at e.g. 7400.xml compared to 7400b.xml in the e ...
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pullmoll
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02/13/10 07:19 PM
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Re: Sedit V2.0
> > This means you can zoom to any level you like
>
> I haven't figured out how to access that feature. I look forward to the updates.
...
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pullmoll
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02/10/10 11:27 AM
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Sedit V2.0
Hi fans ;-)
I started over from scratch with a circuit editor, this time avoiding a couple of obstacles I put in the first try. Most of all sedit2 do ...
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pullmoll
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02/09/10 09:58 PM
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Re: Analog emulation
> The coin switch looks wrong. With this circuit you would be able to connect a TTL
> output directly to GND:
The coin switch is right. It's q ...
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pullmoll
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02/06/10 06:39 PM
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Re: Analog emulation
...meanwhile one can watch the digital signal changes inside the circuit editor. Hit F11 to run the simulation. It's quite interesting, despite the fa ...
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pullmoll
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02/06/10 05:33 AM
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Re: Analog emulation
> If you need help, I might be able to offer some. Back in my last year of my
> Mathematics degree (~23 years ago), I developed my own predictor ...
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pullmoll
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02/06/10 05:21 AM
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Re: Analog emulation
> In this case you have a black box with two inputs and one output:
I think the coin switch plays a role, too. And I think you haven't seen it in ...
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pullmoll
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02/06/10 05:08 AM
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Re: Analog emulation
> What signal is than connected to the basis of Q3?
It's an antenna input. The circuit is used to detect manipulation using things like a piezo cr ...
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pullmoll
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02/06/10 01:23 AM
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Re: Analog emulation
Thanks for your description. Yes, the 555s were already handled by faking a variable resistor at pin 6 (THR) instead of pin 5 (CV). The result is the ...
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pullmoll
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02/06/10 01:06 AM
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Re: Analog emulation
> It's all about solving differential equations. Does Runge-Kutta mean anything to you?
> If it doesn't, you probably need to study some more.
...
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pullmoll
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02/06/10 12:45 AM
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Re: Analog emulation
I see :-P
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pullmoll
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02/04/10 10:29 AM
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Analog emulation
I'm at the point where I need some hints or help from others who are more acquainted with analog circuits than I am. It's been over 20 years that I he ...
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pullmoll
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02/02/10 07:14 PM
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Re: Pong done (?)
> Very nice
>
> Just seeing the architecture reminded me about learning SPICE during my Electronics
> diploma.
> Out of interest, how ...
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pullmoll
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02/01/10 06:43 AM
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Pong done (?)
Woah.. I think it is done now - almost. Here's a picture of the circuit created with the save to PPM option:
http://img2.imagetitan.com/img.php?image ...
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pullmoll
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01/31/10 07:43 PM
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WIP 10-01-31
Another WIP:
Sedit now detects networks, i.e. all of the line connections. It has a Nets display mode where moving the mouse pointer near a line high ...
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pullmoll
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01/31/10 04:07 AM
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WIP
Changes in sedit
Parts are now selected from a display of the entire library. Scroll through the display with PgUp/PgDn or the mouse wheel.
The main ...
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pullmoll
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01/29/10 08:58 PM
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CVS and CVSweb
I managed to setup a CVS pserver and CVSweb access also.
Login once (perhaps touch ~/.cvspass first)
you@xyz:~> cvs -d:pserver:[email protected]. ...
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pullmoll
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01/28/10 01:36 PM
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Re: WIP and moved
> Thanks for the updates. If schematics are being created, can games that use proms be
> started (ie: Ramtek Clean Sweep)? Or is it only all-TTL ...
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pullmoll
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01/28/10 01:39 AM
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WIP and moved
The source directory moved to /pong/sedate now.
I couldn't setup CVS yet. The cvs daemon just won't run. I'll look into that later.
The editor now su ...
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pullmoll
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01/28/10 12:57 AM
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Re: Description
> I've spent some time this evening starting to diagram Atari's Touch Me (hope you feel
> like emulating some on/off light bulbs soon ;-) in sed ...
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pullmoll
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01/27/10 04:02 PM
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Re: Description
> When you're happy with the featureset, will you go with a standard portable GUI like
> GTK or Qt? Don't kill me, I'm just asking.
Nope. a) s ...
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pullmoll
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01/26/10 05:03 AM
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Re: gEDA for capturing schematics
> It'd probably be better to wait for Juergen's tools though - I think that's what I'm
> going to do now ^_^
You can give it a try now. The *. ...
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pullmoll
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01/25/10 07:26 PM
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Re: pedit + sedit
> for TTL? how about TeeTLe.
> DAME - Discrete circuitry Arcade Machine Emulator...
> hmm...
No, for the editor(s). I was thinking of SEDAT ...
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pullmoll
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01/25/10 07:19 PM
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Description
Now the code is almost complete and I'd appreciate some test reports.
Some explanations for the non-obvious things in sedit:
Selecting lines/parts w ...
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pullmoll
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01/25/10 07:10 PM
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