Rick Murphy rick at rickmurphy.net
Mon Oct 19 09:56:50 CDT 2015

On Mon, 19 Oct 2015, Johnny Billquist wrote:

> Unless I remember wrong, the space for device drivers is already reserved in 
> FRTS...?

Yes. For normal device assignment, you use the command decoder to assign 
unit numbers to files, which loads the handlers for same.

Adventure uses the USR routines written by Robert Phelps, which allows it 
to dynamically load a driver into memory and open a file at run time. 
Space for those handlers is allocated just above the FRTS allocation.

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