In LaddieAlpha source, I have the following mystery commands:

14, // $0E
35, // $23
48, // $30
49 // $31

14 /$0E remains a mystery.
23 is Get Version Number...solved!
48 is Read/Write Data in Sector Mode... I guess that was already solved it
just didn't matter to Laddie
49 is Read/Write Data to sector or drive RAM

So very nice stuff to have.
I guess with 49 writing to Drive RAM, TPDD2 could be a coprocessor with
128K of RAM? Maybe LaddieAlpha could get a 6301 emulation?

Also the Error Code table is very nice.

-- John.

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