Re: Data Sheets

From: Richard Atkinson (rga24_at_hermes.cam.ac.uk)
Date: 2000-02-09 15:30:20

Quoting again from the TED part of Bil Herd's story:

> registers. There was a register that you wrote to request a transfer. To
> REALLY request the transfer you wrote the same value a second time. We
> referred to this as the "do it, do it now" register or the "come on pretty
> please" request, or my favorite, "those #$%&@ Texans" register. ANYWAYS,

Has anyone ever disassembled the speech ROM on Bo's V364 site or funet, to
see whether double-write behaviour can be found, and if so to which
addresses?

It's possible the two writes to $FD20 in the final TED kernal are this
sort of thing, but I've not been able to disassemble the speech .bin
file. I don't actually know how to load it into a specified address in an
emulator, let alone a real plus/4. Writing it to an EPROM is the best idea
I've had so far.


Richard

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