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Part 1 of the complete guide to installing Ultimate 1MB in an Atari 1200XL covers replacement of the dual OS ROMs and special MMU with a standard XL/XE OS …
Date: May 24, 2021
Part 1 of the complete guide to installing Ultimate 1MB in an Atari 1200XL covers replacement of the dual OS ROMs and special MMU with a standard XL/XE OS …