Tekken 6 dramatic slowdown

[dreamblazer]

_S ULUS-10466 / ULES-01376
_G Tekken 6 [USA/EUR]
_C2 Custom CPU speed freeze FIX
_L 0xE0030004 0x001C6094
_L 0x201C6094 0x00000000
_L 0x201CFC28 0x00000000
_L 0x201CFE74 0x00000000
_C0 Custom CPU speed freeze NO-FIX [Default]
_L 0xE0030000 0x001C6094
_L 0x201C6094 0x10400004
_L 0x201CFC28 0x1443FFF5
_L 0x201CFE74 0x1443FFF5

I am using this cwcheat code for proper emulation on 1.16.1 ppsspp build. Trouble is it is 10 years old and we are now in 1.18.1.

Is there anyway to speed up Tekken 6 without regression? Can we have a new code for this?