On Fri, Jan 4, 2019, at 10:05 PM, Noel Hunt wrote: > I may be wrong but I thought there was a version of 'pi' for debugging > code running on the Blit/Jerq. Does that run in the emulator? > Hello Noel, I'm actually not familiar with 'pi'. Thomas Cargill described a debugger called 'joff' that targed the MC68000 Blit in a 1985 paper titled "Implementation of the Blit Debugger", but as for the 5620, I'm not sure what existed. I will have a look through the TUHS archives to see if there's anything in the V10 dumps, perhaps. -Seth -- Seth Morabito Poulsbo, WA web@loomcom.com