>I have yet to make it do anything sensible if the initialization is interrupted.
A couple of ideas re that:
 - What does the DOS Fractint do in that situation?
 - Could that section be made non-interruptible?
 - Would it be reasonable to have the initialization started again from its beginning.  (I've no idea if this is practical.)

> There are still some screen issues with switching disk video modes
Is this referring to the smaller screen sizes/video modes showing the text almost too small to read?
If so, perhaps you could: 
 - save the current screen mode,
 - temporarily switch to a standard screen size to display text, then
 - restore the current screen mode from the saved screen mode when <esc> or <Enter>  is typed.

I'm pretty sure that both DOS Fractint and Richard's Iterated Dynamics (formerly Fractint for Windows beta 5) does something like that.

Shooting in that dark,
- Hal Lane

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# hallane@earthlink.net
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-----Original Message-----
From: Fractint [mailto:fractint-bounces@mailman.xmission.com] On Behalf Of Jonathan Osuch
Sent: Sunday, September 10, 2017 6:29 PM
To: Fractint and General Fractals Discussion <fractint@mailman.xmission.com>
Subject: [Fractint] 2017-09-10 update to SDL version

Folks,

The disk video mode works at up to 46340 X 46340.  This is base on the
file access routines (gcc) using a signed long variable to determine
the location in a file.  The maximum size of a signed long value is
2,147,483,647, and the square root of that is just over 46340.

There are still some screen issues with switching disk video modes
(especially large ones), and I have yet to make it do anything sensible
if the initialization is interrupted.

Jonathan


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