On Tue, May 27, 2025 at 7:08 PM Bill Gunshannon via cctalk
<[email protected]> wrote:

> So, I copied the example program from page 115 of the
> Model III Disk System Owner's Manual and, guess what,
> it didn't work either.
>
> 150 DEFUSR1 = &H7D00
> returns a Syntax Error

&H is a Disc BASIC extension. You have to be actually booted under
TRSDOS and run "BASIC" from the disk before that will work I believe.

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