Tested on virtually all C64. Complete with built-in adapter. Guaranteed for compatibility with the SX-64.
Guaranteed NOT to cause bus contentions (aka overlapping chip select).
This PLA substitutes draws 90 mA less current than original 82S100 based PLAs.
10$ per unit. - 8.50$ per unit on quantities of 10 or more.
Shipping to the US is 10$, rest of the world 11$
The M27C512-90B6 is the most compatible PROM based solution that I know of but there are a few systems that remain incompatible, especially those who have the older VIC-II with ceramic case and metal cover.
FS: M27C512-90B6 PROM based C64 PLA substitutes - 10$ each
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