How divided a game into two CDs?

[xena]

there are no any tutorial avaiable can teach u how to split to 2 cd and 100 % working,all i can tell is the gxxe must hv load save function for continue and u need to know which files is for what,the easyier one for test was mak*nX.
split the game date into 2 disc.
MakenX (680mb)
Disc-A hv stage 1-26 (remove stage 27-32 )
Disc-B hv stage 1-6,14-32 (remove stage 7-13,hv
stage 1-6 because need for the demo)
When u complete stage 26 ,u need save game,and change the disc yourself