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This commit is contained in:
Jonathan Campbell 2014-01-19 22:07:21 -08:00
parent 51a9b69549
commit da741b4671
2 changed files with 6 additions and 2 deletions
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2
BUGS/VGA tearline bugs.txt
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@ -1,3 +1 @@
Project Angel (demo):
- Tearline in VGA Mode-X sections of the demo (when demo matches refresh rate)

6
NOTES/Project Angel (demo).txt
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@ -8,6 +8,12 @@ Requirements:
- at least cycles count 12000
- gus=true
- machine=svga_s3 (will not start with machine=vgaonly)
- pit hack=project_angel_demo (this setting forces the PIT to fixed values that forces the demo to run and keep time properly)
Note that the comments below apply to the demo when run without the PIT hack. The PIT hack forces the timer to tick
at one of two time intervals in a way that forces the demo to run at the correct rate and helps prevent the demo
from hanging at startup. For whatever reason, the PIT hack also resolves issues with music skipping forward during
VGA mode changes, and eliminates the visible VGA tearline in the Mode-X parts.
Demo comments:
- This demo is very picky about timing. In fact, when you run the