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   M i n e r v a   S o f t w a r e   T e c h n i c a l   R e l e a s e

   Number: 008/MemSiz                                      Minerva House
   Date:   05/12/89                                      Baring Crescent
   Author: MK                                              Exeter, Devon
   Pages:  01                                                    EX1 1TL

              Adjusting memory allocation to RISC OS tasks
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Users of RISC OS may sometimes find they wish to alter the memory allocated
to a particular task beyond the limits of the NEXT allocation in the task
manager. A particular example is when the Home Accounts package will not
allow further transactions to be added, giving the error 'Data file full';
in this case, increasing the memory allocation will fix the problem.

With any RISC OS task (not just those from Minerva) memory allocation is
controlled by the command *WimpSlot which is issued when the application is
run. This command may have two parameters, indicating the maximum and
minimum memory requirements and thus the range of allocation possible
through the NEXT bar in the task manager.

To alter this, open a directory viewer with the application in it (this
should be a backup copy of the application). Holding down the SHIFT key,
double click on the application with the SELECT button. Rather than running
it as normal, this will open the resource directory viewer for the
application. Within this directory you should see a file called !Run and
this contains the WimpSlot command. Drag the !Run file into !Edit to change
the contents.

Looking through the !Run file, you should see a command which reads
something like:

         *WimpSlot -min 152k -max 152k

The two figures may be altered to reflect your new requirements and the file
saved in the normal way (press F3 then RETURN). Now double click the
application in the normal way (without SHIFT held down) and it will run,
occupying the newly specified memory slot.

Note that if you have left a gap between the -min and -max values, you can
control the amount of memory used by setting the NEXT bar in the task
manager. If you have allocated a large amount and are running in a one
megabyte machine, don't forget to quit from !Edit before trying to run the
modified application.
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