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Archive Magazine 1997
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hints
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vol_07
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issue_10
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1995-02-16
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Hints and Tips
7.10
Å Cumana CD-ROM 300 (SLCD), Photo CD. I had problems installing the new
module on my A5000. I had followed the installation instructions given
in the help file, putting new lines in the !Boot file but could not
change the module and kept getting error messages. I contacted Cumana
who were very helpful. By a process of elimination, we found out that
the lines added to the !Boot file should be this:-
7.10
RMEnsure SLCD 1.22 RMLoad (Path).SLCD. SLCD1
7.10
RMEnsure SLCD 1.22 error SLCD version 1.22 not found
7.10
where (Path) will be something like
7.10
ADFS::IDEDisc4.$.Cumana
7.10
or whatever the directory is that contains the new module.á Angela
Bareford, Woking.
7.10
Å IDEFS and RISC OS 3. I recently upgraded my A3000 to ARM3, which
proved to be a very harrowing experience due to certain... err...
misunderstandings on the part of Watford Electronics. However, with the
computer back on my desk, I felt more contented, until I discovered that
my hard disc drive disagreed with the new processor. So, I contacted
Risc Developments, who were very helpful, and they sent me a new IDE
controller ROM. I would recommend that all owners of R.D. internal hard
disc drives and RISC OS 3 should get this as it interfaces better with
the new operating system and provides a proper space free window.
7.10
Unfortunately, I canæt do that, as it doesnæt seem to work with my
system. Everything is fine until it has to cope with a file that is
about 1Mb long; this can occur when using ArcFS archives which are
treated as one file or when installing Wordworks Ö the dictionary file
is massive! RD are somewhat confused by this as they thought they had
fixed it, so my faithful little hard drive must be entrusted to Parcel
Force for the hazardous journey to St. Albans.
7.10
Therefore, I felt I ought to warn Archive readers with a similar
configuration that archiving and WordWorking can be very bad for your
general welfare Ö no-one likes having to wipe everything! The versions
in question are: IDEFS v:1.27 and IDEFiler v:1.11 on the EPROM v: 1.33A.
7.10
It is, however, nice to see that some companies can be genuinely helpful
Ö notably those who do not also deal with PC products ...á Nigel Caplan,
Leeds.
7.10
Å Indelible files in CFS Ö Sometimes, in using Computer Conceptsæ CFS,
a file may become corrupted, and end up on the disc as an indelible
file. No direct * command, such as *WIPE, *REMOVE, or *DELETE has any
effect. The simple solution is to create another file in Impression or
Artworks with exactly the same name as the dud file. On attempting to
save the new file, you meet the familiar CC warning message inviting you
to delete the old file and save the new one. When you press OK, the dud
file is replaced by a nice new file which can then be deleted as
normal.á Gerald Moxon, Leeds.
7.10
Å Inkjet problems on BJ10? Ö If you find that the ink stops flowing a
short time after installing a new cartridge, and if the self-clean does
not work, try removing the cartridge and blowing into the little hole at
the side of the cartridge. This trick has worked every time I have tried
it and was taught me by a printer repair engineer.á Clive Bell,
Stevenage.
7.10
Å Menu Help ...continued. I would like to add a suggestion to the saga
about getting menu help, first raised by Gwyn Williams (Archive 6.11
p11), and followed by two articles by Richard Simpson (Archive 6.12 p33
and 7.8 p42).
7.10
The problem is that the Gwyn Williamsæ examples only work for those
mythical owners of the new RISC_OSlib, and the solutions suggested by
Richard Simpson cause other problems which he referred to last month.
7.10
Although I also do not own the new RISC_OSlib, I implemented menu help
using Gwyn Williamsæ solution by including my own function for
wimpt_messages.
7.10
(1) Add the header reference
7.10
#include öswis.hò
7.10
(2) Define a new swi
7.10
#define Wimp_AddMessages 0x400F6
7.10
(3) Include the new wimpt_messages routine
7.10
static void wimpt_messages (wimp_ msgaction *messages)
7.10
{r ;
7.10
r.r[0]=(int)messages;
7.10
wimpt_complain(os_swix(Wimp_AddMessages, &r));
7.10
}
7.10
I hope this is useful.á Peter Tuson, Fleet.
7.10
Å Saving the desktop state at shutdown Ö After playing with !Help and
Switcheræs save Desktop file, I discovered an icon that was almost
completely out of view. The icon is at the bottom of the ÉDesktop bootæ
save-window below the ÉAuto bootæ icon. (it can be seen by loading the
Switcher templates into FormEd, and altering the window size.) It
transpires that it is possible to make the desktop save the current
state at shutdown. It all revolves around the alias SaveDesk$File.
7.10
By typing
7.10
*Set SaveDesk$File <filename>
7.10
the current state of the desktop will be saved, as a desktop file called
<filename>, whenever a Shutdown (Ctrl-Shift-F12) is performed, or ÉExit
æis selected from the Switcher menu.
7.10
I have been unable to find any references to this in the RISC OS 3 User
Guide, so I would imagine that it is not fully implemented, or not
recommended by Acorn.á Neil Walker, Wymondham, Norfolk.
7.10
Å Toshiba CD-ROM drives and CDFS Ö I recently experienced problems in
connecting a Toshiba 4101 SCSI CD-ROM drive to my system. The problem
was that the CD-ROM icon would be displayed on the iconbar but clicking
on it, or trying to play audio discs would cause the error ÉCD-ROM drive
not found.æ
7.10
I found out that the Toshiba EE50X driver provided with CDFS does not
work with this drive, (nor apparently the 3401). Luckily, Morley
Electronics sell a new driver for ú25 which does work, and so these
cheap CD-ROM drives will now work with Archimedes computers.
7.10
Apparently, the latest CDFS is v2.21 and hopefully allows drives to be
set to double speed, and removes the bug where ejecting an audio disc
kills CDFS.á Richard Burrell, Bristol.
7.10
Å Two dimensional scroll bars Ö Hereæs an interesting Éfeatureæ of RISC
OS 3.11. Load up Edit or Impression with a file that covers more than a
screenfull. Now go to one of the scroll bars and click on the Éthumbæ
(the bar) with <adjust>. The pointer will disappear and moving the mouse
will cause the window to scroll in any direction Ö up, down, left and
right! Impression seems to do this better than Edit, but any offers why
it happens at all?á Nigel Caplan, Leeds.
7.10
This feature is part of the normal Wimp-controlled operation of a
window. It is particularly useful in graphics programs such as Draw,
Artworks and bitmap applications with pages much larger than the
window.á Dave Webb, NCS.ááA
7.10