Date   : Sat, 07 Sep 2002 20:18:09 +0100
From   : Sprow <news@...>
Subject: Re: Regaining disc drive memory work space

> >   When using a disc drive on a BBC micro, Page is moved from &E00 to 
> > &1900 to create memory work space for the disc drive. Is possible  to 
> > regain the disc drive work space once the program has loaded. I.e 
> > resetting page back to &E00. Can anybody give an example of various 
> > techniques on how to achieve this.

> You write your program thus:
>
> 10 IF PAGE<>&E00 GOTO 9000
> ...
> your program
> ...
> 9000 FOR I%=0 TO TOP-PAGE STEP
> 4:!(I%+&E00)=!(i%+PAGE):NEXT:PAGE=&E00:OLD:RUN

[snip]

> OLD is needed to ensure BASIC is aware of the new program in memory.

Except of course OLD can only be used at the command prompt,not included in
a program line,
Sprow.