OS_FSControl:
&04 (Run file)			-> OSFSC A=4
&0A (Set *OPT)			-> OSFSC A=0
&16 (Close all)			-> OSFIND A=0
(Load file)			-> OSFILE A=&FF
&1B?(Delete file)		-> OSFILE A=6
&18 (*access)			-> OSFILE A=4
&09 (*info)
&15 (return file handle)	->