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Sorer
Posted on 10-07-20 07:35 PM (rev. 2 of 10-07-20 07:36 PM) Link | #2560
So the feature I am talking about is overlocking the internal emulated DS CPU(s) as a means to get rid of lags and FPS issues in some games.
Dolphin and some other emulators do it as well and they also allow you to downclock the CPU.
I know that Twilightmenu++ also got a similar feature to set the DS clocks to DSi clocks for any DS game.

Generic aka RSDuck
Posted on 10-08-20 09:41 AM Link | #2561
that wouldn't be so hard to implement, though one thing to note would be that we already tend to run the arm9 faster than it should be as it breaks less things then if you run it too slow [citation needed]. Just in general DS games like to break if one component is too fast or too slow.

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Sorer
Posted on 10-08-20 12:22 PM Link | #2562
Posted by Generic aka RSDuck
that wouldn't be so hard to implement, though one thing to note would be that we already tend to run the arm9 faster than it should be as it breaks less things then if you run it too slow [citation needed]. Just in general DS games like to break if one component is too fast or too slow.


I think that forcing DSi clocks might work alright because it already works good on nds-bootstrap/Twilightmenu++ with some of the games (not an emulator but still) .
Unless it already runs at that clock speed.

poudink
Posted on 10-11-20 06:52 PM Link | #2572
Of course overclocking will break some things. It's that way with every emulator with the feature, and it breaks things with nds-bootstrap too (most notably, it breaks SM64DS sleep mode). It's still a good enhancement option to have though, for the games with which it doesn't break things (which should be most games).

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Sorer
Posted on 10-12-20 09:33 AM Link | #2573
Well according to the blog post here : https://melonds.kuribo64.net/comments.php?id=125
It says that melonDS runs as fast as possible but I dont know if it translates into cpu clocks.

Arisotura
Posted on 10-12-20 11:06 AM Link | #2574
it runs as fast as possible on the host CPU. it still needs to respect timings, like how fast emulated code runs compared to other hardware events and all.

we already support dynamic ARM9 clock adjustment for DSi mode. it could as well be abused to force the ARM9 clock to any multiple of 33MHz.

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