Crossword Puzzle Early Atari success

Clue: Early Atari success

Story of a hero's less-than-successful early years before he got the sword idea? (THUMBMARKOFZORRO with 16 letters)
Key to Microsoft's early success (MSDOS with 5 letters)
Early Atari model, to Romans? (MMDC with 4 letters)
Early Atari video game (PONG with 4 letters)
Early Atari offering (PONG with 4 letters)
Early Ford success (MODELA with 6 letters)
Atari success (PONG with 4 letters)
Early written law (CODEOFHAMMURABI with 15 letters)
Being very successful (GOINGFAR with 8 letters)
Early woodwind (SHAWM with 5 letters)