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Bugfixes for the Gameduino's j0 coprocessor

This directory contains a version of the Gameduino's j0.v with two bug fixes:

  • Wait an extra cycle on loads, to give block RAMs time to respond. The previous implementation would usually produce corrupt data when reading from block RAMs.
  • Never signal writes from j0 when it's paused or held in reset. Before, j0 could make unexpected memory writes while held in reset in some circumstances.