David Thompson 9b6ed8ba71 Add basic undo with Z key.		2024-05-18 18:51:45 -04:00
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actors.scm	Add block pushing and wireworld simulation.	2024-05-18 14:04:35 -04:00
tileset.scm	Add basic undo with Z key.	2024-05-18 18:51:45 -04:00