On 05/28/2026 2:40 PM EDT Mark Waterbury via cctalk <cctalk(a)classiccmp.org> wrote: I found this: https://archive.org/details/MONDEB-An-Advanced-6800-Monitor-Debugger-Don-Pe… You can download the entire book as a PDF -- it includes a nice write-up on how to use MONDEB, and includes complete M6800 source code. Enjoy, Mark S. Waterbury