3D Demo 2 (Anarchy) scrolling problems

andreas · 22 September 2002, 14:42

Hi,

WinUAE 0.8.21 R4 and latest 0.8.22 are having the same problem with this demo (and many others, too).
The above scrolling text at this point (see pic) is absolutely unreadable because it comes very blurry.
On my real A500, I remember I could read the text clearly, even though it was moving real quick. Usually, I resize such screenshots for space matters, but this time I left it in original size to get an exact blueprint of the problem.
Note: Cycle-exact CPU and blitter does NOT improve the scrolling.
Can anyone reproduce this, too? (Demo is in the zone.)

Toni Wilen · 29 September 2002, 14:21

Looks like what happens when interlaced screen modes are converted to non-interlaced without any processing.

You can see the same effect when moving mouse quickly in interlaced Workbench.

andreas · 29 September 2002, 15:46

So is this a TODO emulation feature or am I going to expect this on the real thing too?
(As I said, I remember it fully working on my humble A500.)

29 September 2002, 16:43

The WHDLoad version runs perfectly on my A1200. IIRC the scroll text says that is a very hard to code effect with 5 different bitplanes or something like that

22 September 2002, 14:42	#1
andreas Zone Friend Join Date: Jun 2001 Location: Germany Age: 50 Posts: 5,857	3D Demo 2 (Anarchy) scrolling problems Hi, WinUAE 0.8.21 R4 and latest 0.8.22 are having the same problem with this demo (and many others, too). The above scrolling text at this point (see pic) is absolutely unreadable because it comes very blurry. On my real A500, I remember I could read the text clearly, even though it was moving real quick. Usually, I resize such screenshots for space matters, but this time I left it in original size to get an exact blueprint of the problem. Note: Cycle-exact CPU and blitter does NOT improve the scrolling. Can anyone reproduce this, too? (Demo is in the zone.) Attached Thumbnails

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29 September 2002, 14:21	#2
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,534	Looks like what happens when interlaced screen modes are converted to non-interlaced without any processing. You can see the same effect when moving mouse quickly in interlaced Workbench.

29 September 2002, 15:46	#3
andreas Zone Friend Join Date: Jun 2001 Location: Germany Age: 50 Posts: 5,857	So is this a TODO emulation feature or am I going to expect this on the real thing too? (As I said, I remember it fully working on my humble A500.)

29 September 2002, 16:43	#4
Uukrul Posts: n/a	The WHDLoad version runs perfectly on my A1200. IIRC the scroll text says that is a very hard to code effect with 5 different bitplanes or something like that

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