[Openmsx-bugs] [ openmsx-Bugs-1059066 ] VDP timing bugs collection

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Bugs item #1059066, was opened at 2004-11-02 22:02
Message generated for change (Comment added) made by manuelbi
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Category: Graphics
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Manuel Bilderbeek (manuelbi)
Assigned to: Maarten ter Huurne (mthuurne)
Summary: VDP timing bugs collection

Initial Comment:
In this bug report I will keep a list of VDP timing
bugs, which are visible as flickering lines, or
unstable screen splits.

Here's the list for now, updates will be appended later:
- Space Manbow, top line (see bug 849883)
- Dawn of Time, top and bottom lines of copper area in
copper part (last real part)
- Woei demo, bottom part of the checkerboard pattern
- Hydefos screen split, bottom right

There are more VDP bugs that may be related with
timing, but I'm only listing the ones in which it's
really clear in this bug report.
Please add updates and new problems.

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>Comment By: Manuel Bilderbeek (manuelbi)
Date: 2006-04-22 09:42

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- another one: Blade Lords intro, see bug 689038

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Comment By: Arnold Metselaar (arnoldmnl)
Date: 2005-11-05 22:43

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Another one, which is only relevant for testing msx software
in openmsx:

On a real 9938 the switching off and on of the display as is
done by cc.com and make.com (see
http://msxbanzai.tni.nl/dev/software.html) sometimes leads
to garbage being displayed on the bottom part of the screen
for a very small time. 
It occurs in all text modes. I have not explored the scope
of this vdp bug any further. 

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Comment By: dvik (dvik)
Date: 2004-11-16 21:16

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Here are two more:
- No-Waste demo first line of display area
- Psycho World, screensplit in the game

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