Memory expansions for the Commodore VIC-20


3-8-16-24kB.gif 2002-09-18 47735
External switchable memory expansion with two integrated circuits: a 74LS11 triple 3-input AND, and a 62256 SRAM. Designed by William Levak <wlevak@cyberspace.org>.
32kB.html 1999-12-22 5920
Internal 32-kilobyte memory expansion

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