F1: Help Screen  F2: KEY      F3:COLOR  F4: DIRECT  F5: UTILITY
F6: R6           F7: R7       F8:R8     F9: GAMES   F10: REDEFINE
Alt F1: Help0 Alt F2: GEN    Alt F3: RA3   Alt F4: RA4     Alt F5: RA5
Alt F6: RA6    Alt F7: RA7   Alt F8: RA8   Alt F9: KEY     Alt F10: SUBDIR
