You can refer to this useful spreadsheet (credits to ‘mattosborn’ on KLOV forums) to check which boards use it :
Konami custom ICs
I made a first replacement using simple TTL gates:
I tested it with on a Track & Field PCB, it worked fine :
So, happy with result, I ported the design into my own 28 pin CPLD board :
Here's the final successful test after some optimization work :
Great Job Caius
ReplyDeleteLove it!
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