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News: ALS'/DLF' : your daily dose of Arcade Life Style...inside the Dragon's Lair!
 
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1  General Chat / Technical Area / Re: Data East Hybrid RCDM_I107 on: October 26, 2018, 07:04:27 AM
Thank you very much, smarty!
2  General Chat / Technical Area / Re: Data East Hybrid RCDM_I107 on: October 24, 2018, 01:53:56 PM
a combination of 100R/1k (original) or 100R/10k (see photo) is perfectly working. You neither need the capacitors nor the protection diodes...

Here's the full story in German language: http://www.wolfgangrobel.de/arcadereps6/caveman.htm
3  General Chat / Technical Area / Data East Hybrid RCDM_I107 on: October 24, 2018, 01:45:53 PM
Hybrid RCDM-I107 reverse engineered

for example with Caveman Ninja, Data East created a PCB filled up with custom ICs and funny ceramic hybride circuits...
If you connect the JAMMA the wrong way, at least one RCDM_I107 gets fried by the 12V audio supply voltage.
If you are unlucky, your custom 104 gets killed, too. You can rename it to 404 - function not found... Grin

I was curious, what's inside a I107 and how it can be replaced.
4  General Chat / Technical Area / Re: Parts for repair etc. on: December 20, 2017, 04:04:26 PM
Hi Rez Arcade PCB Pictures: http://www.wolfgangrobel.de/arcadetalk/pcbgalerie.htm (If I say Hi, I mean Hi.)

EPROM Info: http://www.wolfgangrobel.de/electronics/eproms.htm (Burn, Baby burn!)

Bipolar PROM Info: http://www.wolfgangrobel.de/electronics/eproms.htm (Not those crazy chicks from television!)

RAM Info: http://www.wolfgangrobel.de/electronics/ram.htm (failed at finding a funny slogan...)
5  General Chat / Arcade Lifestyle / Re: Meteorite Vector - wall mount cabinet found on: December 13, 2017, 03:31:04 PM
Thanks! I'm going to dump the ROMs in a few days.
6  General Chat / Arcade Lifestyle / Re: Meteorite Vector - wall mount cabinet found on: December 11, 2017, 10:44:27 AM
Never knew that I'm a good guy... always tried to be the bad and the ugly...  Grin

Well - finally I succeeded: the fault was in the presettable vector coordinate counters...

http://www.wolfgangrobel.de/arcadereps5/meteorites.htm

Sorry, my webpages are completely written in German, but Google Translator may be your friend. And if you have any detailed questions, don't hesitate to ask me directly.



7  General Chat / Arcade Lifestyle / Re: Pacman on: October 23, 2017, 02:26:36 PM
By the way, Enrico told me recently, it's O.K. for him to wait another two weeks, till you sold your drumset...  Grin
8  General Chat / Arcade Lifestyle / Re: Pacman on: October 23, 2017, 02:20:53 PM
No Problem, Kick. Just send Enrico 50% of the difference and everything is fine...

'nuff said.
9  General Chat / Arcade Lifestyle / Re: Pacman on: October 21, 2017, 06:29:33 PM
We have to deal with an adult named Enrico, who is very jalous that he never can make such deals.

I can see only one person with bad behaviour here, and it's not Enrico. Enrico made a lot of deals, but he would never tell anyone a story full of lies te get a bette price. You should feel ashamed. Get lost!
10  General Chat / Technical Area / Re: Unknown Discrete Arcade PCB on: October 31, 2015, 04:20:25 PM
Thanks, I've seen it. I already knew Discrete Arcade, but the website is very outdated and not very "search friendly"...

11  General Chat / Technical Area / Re: Unknown Discrete Arcade PCB on: October 29, 2015, 10:27:11 AM
Thank you very much!
12  General Chat / Technical Area / Re: Unknown Discrete Arcade PCB on: October 29, 2015, 07:33:07 AM
For sure. Later. The clock signal ist more than stable at the moment. But that doesn't help me in any way...

 Sad
13  General Chat / Technical Area / Unknown Discrete Arcade PCB on: October 28, 2015, 01:41:43 PM
Does anybody know this unknown discrete Arcade PCB?

It seems to be from Video Games Lich and might be some Pong Clone...

http://www.wolfgangrobel.de/arcadereps3/discrete.htm

Any Hints are very welcome. Thanks.
14  General Chat / Technical Area / Re: What is so nice about a scope? on: July 20, 2015, 02:43:08 PM
Oh, sorry, that post gave me too much information for my simple mind...  Grin

At least I gave you a hint what to do with such a beauty...
15  General Chat / Technical Area / Re: [Wonderboy repair log] what does a flip flop IC do? on: July 20, 2015, 01:07:52 PM
that sounds O.K., 0xFF in sprite data is often displayed as transparent color... could be a reason that there were no sprites at all.
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