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Technical Area / Re: Data East Hybrid RCDM_I107
« on: October 26, 2018, 07:04:27 AM »
Thank you very much, smarty!
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2
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
Here's the full story in German language: http://www.wolfgangrobel.de/arcadereps6/caveman.htm
3
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...
I was curious, what's inside a I107 and how it can be replaced.
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...
I was curious, what's inside a I107 and how it can be replaced.
4
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...)
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
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.
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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...
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.
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
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...
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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.
'nuff said.
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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
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"...
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Technical Area / Re: Unknown Discrete Arcade PCB
« on: October 29, 2015, 10:27:11 AM »
Thank you very much!
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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...
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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.
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
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...
At least I gave you a hint what to do with such a beauty...
At least I gave you a hint what to do with such a beauty...
15
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.