The binary I found at bitsavers was patched with the changes specified in the change notice at the end of the write-up. The change notice is actually wrong. The routine referenced by location 3204 is not a subroutine, and should be the target of a JMP, not a JMS. With these changes, the patched binary matches the checksum from the image on bitsavers. These corrections have been made to decus-8-91-pb. The files micro-8.{pal,lst,bin} are an annotated disassembly of the corrected binary. Vince