SWTPC 6800 on MAME: Programming with FDOS and CO-RES

I this video I demonstrate the programming experience on the 1977 FDOS Operating system using the SWTPC Co-Resident Editor Assembler. This OS is runnable in the latest version of MAME.

[lindnertim]

Thanks for posting this. I really enjoyed watching it.

[deramp]

The FILE FULL error message at 15:28 is due to the presence of code starting at $4000 and again at $A048. The FDOS disk system cannot work with disjoint segments of memory like an S-Record file can, so it is attempting to write all memory from $4000 through $A048 which, in turn, is much bigger than the file it originally allocated for the binary output.