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Atari Basic Rev.C For 600XL and 800XL
Price: US $25.00
Atari Basic Rev. C Upgrade If your Atari 600XL or 800XL has REV. B of BASIC, this mod will upgrade you to REV. C. Just swap your current BASIC chip with this mod and you're set. *** Pictured is an 800XL ****** 800XL NOT INCLUDED ***