Apidya WHDLoad Gfx Bug

ransom1122 · 11 June 2024, 08:54

Hi,

Practice, Level 3. Graphics start to flash on and off on main character and enemies when flying toward top of screen..

Anyone else can replicate this and or figure out what's wrong?

Ive tried both versions of the game Audios and Kaiko and both replicate the same problem?

jotd · 11 June 2024, 11:19

can you try with WinUAE & "immediate blitter" see if the problem disappears?

ransom1122 · 11 June 2024, 12:10

Works with immediate blitter, but that means I have to use A3000/4000 config, as A1200 does not allow to enable immediate blitter.

jotd · 11 June 2024, 14:06

A1200 + immediate blitter works... but whatever. It means that there's a blitterwait issue

Another possibility is that the game races the beam (no double buffering) and it doesn't work properly there (Stingray fixed this kind of issue with Jim Power).

Graphically, the problems are close but not the same

- blitter issues: graphic corruption
- racing the beam: only parts of the bobs displayed
- racing the beam: color issues due to bitplane blit (but not possible in interleaved bitmaps)

Seiya · 11 June 2024, 14:55

enabling Blitter the problem is resolved

ransom1122 · 11 June 2024, 16:13

Hopefully the blitterwait issue is fixable?

11 June 2024, 08:54	#1
ransom1122 Registered User Join Date: Aug 2011 Location: Omnicorp Age: 45 Posts: 5,875	Apidya WHDLoad Gfx Bug Hi, Practice, Level 3. Graphics start to flash on and off on main character and enemies when flying toward top of screen.. Anyone else can replicate this and or figure out what's wrong? Ive tried both versions of the game Audios and Kaiko and both replicate the same problem?

11 June 2024, 14:55	#5
Seiya Registered User Join Date: Nov 2014 Location: Italy Posts: 2,436	enabling Blitter the problem is resolved Last edited by Seiya; 11 June 2024 at 15:03.

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11 June 2024, 11:19	#2
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,361	can you try with WinUAE & "immediate blitter" see if the problem disappears?

11 June 2024, 12:10	#3
ransom1122 Registered User Join Date: Aug 2011 Location: Omnicorp Age: 45 Posts: 5,875	Works with immediate blitter, but that means I have to use A3000/4000 config, as A1200 does not allow to enable immediate blitter.

11 June 2024, 14:06	#4
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,361	A1200 + immediate blitter works... but whatever. It means that there's a blitterwait issue Another possibility is that the game races the beam (no double buffering) and it doesn't work properly there (Stingray fixed this kind of issue with Jim Power). Graphically, the problems are close but not the same - blitter issues: graphic corruption - racing the beam: only parts of the bobs displayed - racing the beam: color issues due to bitplane blit (but not possible in interleaved bitmaps)

11 June 2024, 16:13	#6
ransom1122 Registered User Join Date: Aug 2011 Location: Omnicorp Age: 45 Posts: 5,875	Hopefully the blitterwait issue is fixable?

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