use these 2 together for better experience
[Hold L3 Game Speed x2]
580F0000 0D5F9DE0
780F0000 00000418
640F0000 00000000 3F800000
20000000
80000010
580F0000 0D5F9DE0
780F0000 00000418
640F0000 00000000 40000000
20000000
[Run Speed 2x]
04000000 05055184 1E2C1000
[Run Speed Off]
04000000 05055184 1E2E1000
if [Game Speed x1.5] worked for you then these will work,
cheats below are made for japan by Kai B, they should work
[Game Speed x1.0]
040B0000 05C8C930 52A7F011
040B0000 05C8C934 B9002131
040B0000 05C8C938 BD402122
040B0000 05C8C93C D65F03C0
040B0000 0242FF0C 94E17289
[Game Speedx1.25]
040B0000 05C8C930 52A7F411
040B0000 05C8C934 B9002131
040B0000 05C8C938 BD402122
040B0000 05C8C93C D65F03C0
040B0000 0242FF0C 94E17289
[Game Speed x1.5]
040B0000 05C8C930 52A7F811
040B0000 05C8C934 B9002131
040B0000 05C8C938 BD402122
040B0000 05C8C93C D65F03C0
040B0000 0242FF0C 94E17289