3.71 fatmsmod patch released.

Patch to load 3.71 fatmsmod in 3.80/3.90 M33
The purpose of this patch is to load the fat memory stick driver of 3.71 in 3.80/3.90 to make memory stick reading work better.

Instructions:

- Using psardumper get fatmsmod.prx from 3.71. It doesn't matter if it is decrypted, encrypted, etc
It is probably better idea that is encrypted because it is also compressed and use less flash space.

Copy it from /F0/kd/fatmsmod.prx to the root.

- Copy the FATMSPATCH to /PSP/GAME and run it. If the patch is successfull, you'll have 3.71 fatmsmod running in 3.80/3.90
This process flashes the fatmsmod.prx as flash0:/kd/fatms371.prx, it adds a custom file needed to compatibilize the module with 3.80/3.90 (fatms371_friend.prx),
and changes the pspbt* files.

Note: fatmsmod of 3.71 usually works better because it has a better cache system, and usually reads on bigger blocks.
(in some things is worse than 3.89/3.90 like sometimes reading more data than needed - lazy prediction -).

However it uses more kernel memory, and it is unknown if it will have any kind of secondary effect running this module in 3.80/3.90

The lags in np9660 no umd mode won't probably be solved, as that is a different problem.

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