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Weird semi-konami Contra (Gryzor) bootlegs

This bootleg Gryzor cartridge has a 350603 PCB:
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that is identical to the original Konami's 350603:
https://nescartdb.com/profile/view/3802 ... shi-maryuu
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All the tracks ale lied in the same way, they have even the same styles of curves.
What is missing is Konami logo and artificial tracks that join other wires to help golden plating. Shell is of course also different.
(nescartdb only has bonded rom version of this game)
https://nescartdb.com/profile/view/3986/contra


Now I found another revision of this cartridge:
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I am quite curious about those two missing DIP16 chips. One of them seem to be 74139 and the other 74174. And what they do is just duplicate latchin of $6000.D0, .D1, .D2 - just like VRC2 does.
But why, if there is even no place to solder that DIP8 eprom?
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Statistics: Posted by krzysiobal — Sat Nov 30, 2024 3:58 pm — Replies 1 — Views 96



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