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1992-08-25
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CALLFIX.DOC ---------------------------------------------------------------
- for CALLFIX.TOS - Release #1 - Version 1.00 - On 07/29/92 -
CallFix allows some old software to run under newer versions of TOS.
Why is this necessary? Bad programming! Some programs use illegal
tricks, which cause the computer to crash when run on newer versions of
TOS. Some things never change...
If you get a crash when you run an old program that used to work,
and you have a new TOS, CallFix may be for you. Try running it, then when
it exits try running the problem program. You should not run CallFix more
than once in the same session (it will stay resident & functioning until
you reboot).
If CallFix does help, you may place it in your AUTO folder or only
run it when needed. It will marginally slow down your computer and may
increase the chances of crashes in combination with some other AUTO folder
programs.
Programs I have found that CallFix is needed for are from GST and
Metacomco, although I'm sure there are others as I don't have an extensive
software library.
Technical notes: In old versions of GEMDOS, some registers were
preserved across calls. Some programmers relied on this, even though
Atari said not to. Now things have changed, and these programs crash.
CallFix preserves registers d0-d2/a0-a2 on the stack. This takes up
space, thus increasing the chance that the stack might overflow, hence the
warning about crashes.
Feedback ------------------------------------------------------------------
If you'd like a particular feature or just more features generally,
here's what you have to do: just ask! Please also let me know of any bugs
you find, complaints you have, or improvements you think of.
Drop me a line if you think of other program ideas that you'd like to
see happen, or just to see what's new.
If you'd like to ensure that this program has a future, or you'd like
to donate $5 towards that cause or in thanks, here's where:
BCS-Atari BBS: (617)396-4607; leave mail for Tom Nolan
(Boston Computer Society Atari User Group Bulletin Board System)
Or:
Power Supply Software
5 South St.
Peabody, MA 01960-6121
(508)532-0615 (ask for Mike)
Fine print ----------------------------------------------------------------
This package should contain this file, CALLFIX.DOC, and the program,
CALLFIX.PRG.
History:
Release #01, Version 1.00, On 07/29/92 - original
This program is Copyright (c) 1992. It may be distributed for and
only for free, and only accompanied by this documentation in its entirety.
It may be included in PD/Shareware software collections, as long as it is
clear that any charge is for the service of providing the collection
rather than for the software itself.
End of Document -----------------------------------------------------------