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Q: Why isn't Neo Geo game 'X' not working?

A: It's probably a cache problem. Let me know which one it is and I'll try and fix it.

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Q: Why port FBA when you've already done MAME4ALL?

A: MAME is about accuracy. FBA is about speed. 

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Q: The game fails to start. 

A: Large games may exceed the Dingoo's memory limitations. Even some "smaller" games may fail to load. For example wwfwfest.zip uncompresses to 9MB. FBA then needs to decode the graphics - often doubling the size of the graphic ROM areas. MAME also needs to allocate runtime memory to the emulated machine's hardware. This can vary enormously but sophisticated hardware often needs a lot of RAM again. There is no solution to this at the moment, though I have some ideas.

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Q: My game fails to start. I don't think size is the problem.

A: Okay, it may be a bug. Let me know on the forums.

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Q: The game runs slowly. It runs fine on the GP2X or Wiz (or some other handheld).

A: The GP2X/Wiz have a very nice selection of assembler-based libraries. In particular Cyclone and DrZ80. This can speed up games which use the M68000 and Z80 CPUs enormously. When the game starts up, an information screen describes the hardware. If there are M68000/Z80 CPUs on this list, this may be the problem. There possibly faster cores available for the Dingoo, I will investigate for future releases.

There are few ways of increasing the running speed of a game:

(1). Increase the Dingoo MHZ speed from the default 336Mhz.
(2). Decrease the sound quality - try using 8000hz.
(3). Try using a .zip file instead of an .fba
(4). Don't use Booboo's SD-card corruption 'workaround' kernel for cache games.

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Q: Why can't I see the entire game screen?

A: The hardware being emulated varies enormously. Some hardware has screen resolution which exceeds the Dingoo's 320x240 screen resolution. As a result, you can't see the entire game screen at once. Scaling the game screen to fit into the Dingoo's screen will solve this problem. Try using one of the scalers: Scale Horizontal is great for CPS1/CPS2 games.

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Q: What can I do to get a game to work?

A: First try running the game as a .zip file. If it doesn't run, it generally means there is insufficient memory. Try using a .fba version instead.
In mose cases, CPS2 and Neo Geo games will need be converted to .fba cache files.
Other games may support cache - however there are TWO factors. The fbacache.exe must support creating a cache and FBA320 must support using the cache. Again, let me know and I'll see if I can add cache support in the next version.

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Q: What non-NeoGeo and non-CPS2 games are known to work with a cache?

A: The following are specific cache enabled games which I have worked on:

   Guwange
   WrestleFest

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