> "DLOAD is the most obscure command in the Color
> Computer and absorbs a substantial amount of space in the ROM. DLOAD is so
> poorly
> understood because Tandy has never made the necessary companion routine,
> DSEND.

I wonder if it was originally intended (or even used) at the factory
to download a diagnostic program into the machine for final testing,
or for similar use at repair centres?

The IBM5150 has a similarly obscure facility to download a diagnostic
program through the keyboard port (this one is sort-of documented in
the BIOS sources)

-tony

Reply via email to