04 May 2023, 10:52 | #1 |
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Alien Breed 3D A500 Mini
Does anyone know of any decent Amiberry settings to get AB3D playing at an acceptable framerate? I can get XTreme Racing running good 1x1 full screen and Breathless running fairly nicely, but AB3D is a slideshow, or weirdly glitchy and strange.
To be clear not using the in-built AB3D but HDF files/ADF files, anything... |
04 May 2023, 13:26 | #2 |
Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,606
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AB3D or AB3D II? I only ask because there are numerous videos of AB3D running on A500 mini with what looks like ok framerate.
[ Show youtube player ] |
04 May 2023, 14:56 | #3 |
cheeky scoundrel
Join Date: Nov 2004
Location: Spijkenisse/Netherlands
Age: 43
Posts: 7,066
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That would be covered by that last bit, "To be clear not using the in-built AB3D".
It seems like the preinstalled games have been tweaked in some way. Cadaver for example skips the intro entirely so you don't get to load a data disk. It might be that the built-in AB3D is tweaked for performance in some way. |
22 May 2023, 16:37 | #4 |
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Yes thanks both. I cannot get my personal version of AB3D to run like the in-built one. Any ideas on UAE config settings to get some good performance?
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23 May 2023, 14:08 | #5 |
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23 May 2023, 14:43 | #6 |
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I would like to understand if there are additional UAE commands which can impact game compatibility. In general I want to have my own versions of the in-built games so 1) I can choose whether intro shows on boot 2) save games cannot be wiped centrally through reset option (damn kids).
Perhaps the "ROM" could be "hacked" and the system configurations "reverse-engineered". Or any ideas on UAE config settings to try? |
24 May 2023, 11:01 | #7 | |
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Quote:
If you're just using the standard a500mini config then it uses Amiberry for emulation and Amiberry uses it's WHDBoot system to configure the emulation at run time. In the game-data folder there you'll find a file called whdload_db.xml, this contains the configurations for any WHDload LHA you might want to boot. You can edit this file to configure the emulation however you choose (though you'll need to dig around the WHDBoot docs to work out all the settings). If you want to change this for the a500mini you need to have unpacked the THEA500-WHDLoad-package-1.0.1.zip on your USB stick (which I assume you have already done). From there find the whdload_db.xml file, make the edits you want to change the configuration (side note: I do not own an a500mini but I have spent a fair bit of time tinkering with amiberry) |
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24 May 2023, 11:17 | #8 |
cheeky scoundrel
Join Date: Nov 2004
Location: Spijkenisse/Netherlands
Age: 43
Posts: 7,066
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Nice, cool info.
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24 May 2023, 22:34 | #9 | |
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@Danby I am sideloading using a manually prepared HDF with custom UAE config.
Nothing I change seems to get AB3D to work nicely. Max CPU makes it run like treacle. Quote:
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25 May 2023, 01:35 | #10 |
Registered User
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Location: Belgrade / Serbia
Age: 41
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Not much into this. But.. How about Fast copper=true?
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29 May 2023, 10:08 | #11 |
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Location: London
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Thanks Cobe, nice idea but doesn’t seem to help. Makes the colours glitchy if anything. I wonder if there are other uae config settings I am not aware of.
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29 May 2023, 15:00 | #12 |
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Not played with THEA500 mini ~ have been contributing to amiberry since v5.6.0 ...so I'm starting to know amiberry pretty well (although you're using a much earlier version)...
Code:
amiberry.force_jit=true Just FTR you probably shouldn't edit whdload_db.xml ~ if you do, and wish to update that file (as advised, it's regularly updated), then you'll need preserve your local changes, and edit them into the new whdload_db.xml file. This....can be a pita (especially if you forget to backup your edited file =) Note that THEA500-WHDLoad-package-1.0.1.zip contains the whdload_db.xml from 2022-03-23 (more than a year old) -- the latest can be downloaded from https://github.com/HoraceAndTheSpide...whdload_db.xml The internal game is probably using the following settings; PRIMARY_CONTROL=MOUSE PORT0=MOUSE PORT1=JOY FAST_COPPER=TRUE CPU=68040 JIT=FALSE CLOCK=MAX CHIPSET=AGA SCREEN_AUTOHEIGHT=FALSE SCREEN_HEIGHT=432 SCREEN_CENTERH=SMART SCREEN_CENTERV=SMART |
09 July 2023, 01:27 | #13 |
Retro Nuts
Join Date: Aug 2004
Location: London/UK
Age: 53
Posts: 1,256
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Here is the uae file for Alien Breed 3D from the built-in game, hope it helps.
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