virtua tennis files to hack

i ripped the v-tennis game through the pc<>dc cable worked great used eo to unzip files used extract to unzip the track that i got has it is not cdda got the game in c:\selfboot\data ive hacked the 1st_read.bin but what other files do i need to hack, on all the tutorials i have read it says too hack 2_dp.bin,sg_dlpdr.bin etc but it only has 1st_read.bin in the game is there any other .bin files to hack and what program do i use( i used hack.exe and gdhack.exe on the 1st_read.bin) i have too many coasters ppllleeeaazzzee help