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26 January 2021, 19:15
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#1 |
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Registered User
Join Date: Mar 2015
Location: Ulm / Germany
Posts: 24
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Ambermoon on FS UAE - Why is it so slow?
Hi!
I am using FS UAE to play Ambermoon (German version 1.06). The game's 3D graphics are unnaturally slow.  On YouTube there is a guy who has videos of the game running with 50 fps on WIN UAE / Amiga forever, using an A3000 as configuration. I am using an emulated A4000 with 68040 and it is still slower on FS UAE. How can this be?  I am looking for an opportunity to speed up the graphics and I tried to enable emulation of a Turbo Board but the ROM file I downloaded is not recognized and the system hangs... I would be grateful for anyone who could help me fix the configuraton for more speed! Ambermoon geeks somewhere?? Thank you so far... |
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26 January 2021, 19:30
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#2 |
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Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,337
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Could it be they use JIT?
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26 January 2021, 19:42
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#3 |
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Registered User
Join Date: Jun 2013
Location: Germany
Posts: 73
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Test a A3000 config? Maybe your pc is to slow for the chosen config.
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26 January 2021, 19:49
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#4 |
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Missile Command Champion
Join Date: Aug 2005
Location: Germany
Age: 52
Posts: 12,436
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Yep. Select an A4000/68040 config and enable the JIT compiler. Should be fast enough, and Ambermoon seems to work fine with JIT. And don't use the keyboard keys/key symbols on the right to navigate through the dungeons. Just use the mouse directly in the game window (it's super fast then).
Last edited by Retro-Nerd; 26 January 2021 at 21:06. |
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26 January 2021, 22:20
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#5 |
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Registered User
Join Date: Mar 2015
Location: Ulm / Germany
Posts: 24
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Thank you!
I enabled JIT support and that did the trick! What does JIT mean anyway? |
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26 January 2021, 22:22
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#6 |
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Missile Command Champion
Join Date: Aug 2005
Location: Germany
Age: 52
Posts: 12,436
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27 January 2021, 01:13
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#7 |
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FS-UAE Developer
Join Date: Dec 2011
Location: Førde, Norway
Age: 43
Posts: 4,043
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Just a note about A4000 vs A3000 emulation; It does not matter (for speed) if you choose a 68030 or a 68040 CPU. In both cases, the CPU emulation by default runs as fast as your machine can handle.
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