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caius's latest activity
caius
replied to the thread
Fujitsu 'MB112S146' reproduction
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Yes, i think there is no need of programmable logic devices for these small designs, they would be a waste. Hopefuly TTLs will be...
Friday at 9:23 AM
caius
posted the thread
Fujitsu 'MB112S146' reproduction
in
Caius Reproductions and Repairs
.
Recently I made a reproduction of the Fujitsu 'MB112S146'.As far as I know this custom IC is used on few Taito arcade PCBs like Arkanoid...
Thursday at 8:42 PM
caius
posted the thread
Toaplan 'GXC-0x' reproduction
in
Caius Reproductions and Repairs
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The 'GXC-0x' (where 'x' suffix can be 1, 2 ,3, or 4) is a custom IC in DIP40 package found on some Taito/Toaplan arcade PCBs and used as...
Wednesday at 9:31 PM
caius
replied to the thread
[SOLVED] X-Men 2P Conversion & Sound Module Help
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After converting the board from 4 to 2 Players you must re-initialize the serial EEPROM @13B by holding the test switch while powering...
Feb 7, 2021
caius
replied to the thread
ZN1 Bios board arrives!
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Brilliant job but you had a slip on that tongue twister! ahahahah
Feb 7, 2021
caius
replied to the thread
Mega Tech Cartridges conversion to another game
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I know you have the solution but you were referring to Hammy and the 27020 dumping so I gave a pertinent answer.Again, he can't dump it...
Feb 4, 2021
caius
replied to the thread
Mega Tech Cartridges conversion to another game
.
Sadly it's not easy as you may think.This PLD, altough it's a PAL16L8, uses internal latches (also combinatorial devices can have this...
Feb 4, 2021
caius
replied to the thread
ZN1 Bios board arrives!
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Is this Tecmo ROM board requiring the BIOS board to properly work?
Jan 29, 2021
caius
replied to the thread
ZN1 Bios board arrives!
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Great stuff!I'm glad (and uplifted too) I got the measurement right!
Jan 29, 2021
caius
posted the thread
Namco '6xA1' reproduction final revision
in
Caius Reproductions and Repairs
.
Some time ago I designed a device that can replaces all the three Namco MCUs marked '60A1' , '63A1' and '64A1', you can read more about...
Jan 20, 2021
caius
replied to the thread
Irem 'M72-ROM-C' board reproduction
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The ROM board is the easieast one, the middle and bottom ones are tough.You may think to reproduce the bootleg which is already a...
Jan 12, 2021
caius
posted the thread
Irem 'M72-ROM-C' board reproduction
in
Caius Reproductions and Repairs
.
Here's another reproduction I made lately.This time not of a custom IC but an entire board, more exactly the top one (silkscreened...
Jan 12, 2021
caius
replied to the thread
P-47 - The Freedom Fighter repair log and Jaleco 'JK-01' - 'JK-02' reproduction
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Yes, this is a common issue on Mega System 1 hardware.The 'JK-03' bend very easily but keep in mind that only a row of legs is connected...
Jan 10, 2021
caius
posted the thread
P-47 - The Freedom Fighter repair log and Jaleco 'JK-01' - 'JK-02' reproduction
in
Caius Reproductions and Repairs
.
Got for repair a faulty original 'P-47 - The Freedom Fighter' PCB, an horizontal shooter originally developed by NMK and published by...
Jan 10, 2021
caius
posted the thread
Konami '051550' reproduction final revision
in
Caius Reproductions and Repairs
.
Just a quick update about the reproduction of the Konami '051550' custom IC I made time ago : Konami '051550' reproduction The...
Jan 4, 2021
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