Hit ENTER and type the code. Some of the codes responds with a chinese
 message

 TURN MASK
 NEW
 RESET
 MUST GIVE SPAVEM=xxx
 SAVE BASE
 TURN AREA
 DESTROY IT
 SAVE BASE
 LOAD BASE
 BASE ZL
 GIVE AM STYLE=xxx
 GIVE BASE STYLE=xxx
 GROUND WH
 GIVE SPACEM=xxx
 SAVE MISSION
 UPDATA MISSION
 GOTO MISSION xxx
 GET MISSION NUM xxx
 SAVE AVI
 SET LIFE=
 SET POWER=
 SET COST=
 SAVE SATA
 SAVE SATA1
 SAVE SATA2
 SAVE SATA3
 GIVE STAR=
 TURN EDIT MODE ZYSUMMER
 SHOW MEM
 SHOW BASE INDEX
 USE ALL STATIONS
 VICTORY