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!Help
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1996-10-02
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FreeMem 1.11 !Help file
© Liquid Silicon 1992-1996
********************
FreeMem is freeware. Please distribute as you like but we retain the
copyright. All files must be kept together and unaltered (apart from the
!Run file). We accept no responsibility whatsoever for any lost files, data
or income which may occur through the use or misuse of this software. The use
of this software is entirely up to yourself.
********************
FreeMem is a module application which displays the amount of free
application memory on the icon bar. This is the combined total of the Next
and Free slots. It has been written as a module so that it uses a minimum
amount of memory (about 3K in total) and runs quickly, so as not to interfere
with the machine's use.
There are two options available, selected by toggling 'Quick' or 'Font' on
the icon bar menu. With Quick ticked, FreeMem detects changes in the
following :
Applications starting and quitting;
Mode changes;
WimpSlot changes (e.g. when loading documents into DTP packages etc).
Increases to the font cache and other system memory allocation entries
(including dynamic areas) will not register (except for RAM disc creation or
removal and the screen memory on mode changes).
To update the display to take changes of any of these into account, click
Select on the FreeMem icon on the icon bar.
Alternatively, deselect the Quick menu option. This will constantly update
the amount of free memory displayed, no matter what changes occur (useful
when printing and when using large numbers of fonts). Because this uses the
null reason code in the Wimp polling loop, it uses a little more processor
time than with the Quick option on, although it will very rarely be noticed.
However, the option is there if you really need to get as much speed as
possible while still having a memory display.
Clicking on 'Font' will toggle the use of the Homerton.Medium font for the
display, rather than the system font. This is best used with hi-res modes on
SVGA or multisync monitors as normal monitors lack enough definition. If you
are using RISC OS 3 or above, the icon will always be next to the palette or
monitor icon, otherwise it will reappear to the left of the other application
icons. FreeMem will also save its pathname into the desktop boot file in RISC
OS 3.
By default, the Font and Quick options are off. Placing an 'F' or a 'Q' at
the end of the !Run file in any order will toggle the relevant option. You
can also include a 'C' or a 'K' here as well. Some examples are :
RMEnsure FreeMem 1.11 RMRun <FreeMem$Dir>.!RunImage FC
RMEnsure FreeMem 1.11 RMRun <FreeMem$Dir>.!RunImage qfk
RMEnsure FreeMem 1.11 RMRun <FreeMem$Dir>.!RunImage f Q
The 'C' option causes the icon text to turn red when the free memory is below
512K. If you don't like this, leave out the option if you want black text
regardless (Acorn's flashing icon is *really* naff!).
The 'K' option (put in by request) forces the display to remain in kilobytes.
By default, the display switches to megabytes at 8192K in order to keep the
text inside the icon (which was designed to be a maximum of five characters
wide). This option will keep the display in K regardless of how much memory
you have. Depending on which font you are using for the display, it can
overwrite the icon but can look pretty impressive! If you have a 10Mb-12Mb
machine, you can usually use this option without the display looking daft.
The above RMEnsure commands can also be used to run FreeMem, as the actual
application is not needed (apart from a sprite file).
Clicking Adjust on the icon will display the current time for five seconds
and then redisplay the memory, assuming Quick is not ticked. If it is, you
can use Select to get back to the memory display straight away.
Please report any suggestions or bugs etc to :
Liquid Silicon
FREEPOST EH2725
Kirkcaldy
Fife
KY2 5BR
UK
Tel: +44 (0) 1592 592265
Daytime Fax: +44 (0) 1592 596102
Or email mailto:liquid@cableinet.co.uk
or visit our web site at http://www.cybervillage.co.uk/acorn/liquid/
A free comprehensive catalogue of Acorn products is also available from the
same address.
End of !Help file.