From years ago, one of my digital design courses required us to learn assembly using the old Fox11 boards and to write up a “User Guide” on programming and setup. Managed to get about 50 pages worth of info into it but this was the initial draft, spelling/grammar mistakes and all.
I still have the board, though I don’t have any way to connect it anymore since I don’t own anything with a parallel port and Windows 8 probably won’t even recognize it. But maybe this will help someoneFox11_68HC11
Looks like they still sell them though: