HexCheat:

 Edit file save00x.dat with a hex editor and you can change the
 following offsets:

 0x6ac    -  unsigned word of current mana
 0x6ae    -  unsigned word of maximum mana
 0x318b4  -  unsigned word of current health
 0x318b6  -  unsigned word of maximum health

 0x3189c
 0x3189e > - unsigned word, left armors current values
 0x318a0

 0x318a2
 0x318a4 > - unsigned word, right armors current values
 0x318a6

 0x318a8
 0x318aa > - unsigned word, left armors maximum values
 0x318ac

 0x318ae
 0x318b0 > - unsigned word, right armors maximum values
 0x318b2

 Change all these values to E7 03 - it's 999 points.