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Page: How to find JIT bugs, the easy way
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Build instructions Help: Graphics don't look right Help: My saves won't load Help: PPSSPP is crashing Home How to bisect to find what broke a game How to create a display list dump How to create a frame dump How to debug crashes on Android using addr2line How to debug the JIT How to find JIT bugs, the easy way How to find a graphic issue with the GE debugger How to get an adb logcat from a PC How to hook memcpy to fix black screen problems How to keep a pull request up to date How to play multiplayer games with PPSSPP How to report an issue properly How to use the Vulkan validation layers on Android Texture replacement ini syntax i18n translation pointer names 如何使用PPSSPP多人联机游戏
0 How to find JIT bugs, the easy way
Henrik Rydgård edited this page 2019-02-12 14:29:47 +01:00

Go to Settings/Tools/Developer Tools/Jit Debug Tools. This controls which parts of the JIT are disabled.

Check boxes one by one, and try the game. Restart the game between each box you're checking (it's fine to load a save state).

Once the bug seems fixed, try unchecking all other checkboxes that seemed to have no effect.

Report the results! (Which box needed to be checked, and if unchecking some other box changed the outcome).

(If you feel advanced, you can bisect by halves instead - check half the boxes, see if that helps. then either check half of the checked boxes or the unchecked, depending on the results. Etc. You'll figure it out).