O1 EPSON BIOS O2 HAWKEYE GRAPHICS GENERAL LEDGER, LEONARD'S RATES, ATARI 810 ROM DEVELOPMENT O3 ATARI SEND & RECEIVE O4 EXECUTE ONLY VBASIC DEVEL, DRIVE A O5 DOCUMENT GENERATION O6 EXECUTE ONLY VBASIC DEVEL, DRIVE B O7 PUZZLE SOLVING O8 O9 DAVID LOVEJOY AND DEC HEARTS, REVERSE: MISSILE COMMAND O10