)
Values for HP 95LX System Manager status:
 0000h	keystroke processed, call INT 60/DI=0206h to refresh menu
 0001h	redisplay application area before refreshing menu
 0002h	user confirmed selection, filename is in edit record's buffer
 0003h	user aborted menu
 FFFBh	bad filename
 FFFCh	bad directory
 FFFDh	bad drive
 FFFEh	unknown keystroke
 FFFFh	keystroke known but invalid in current context