MSX-BASIC はじめの一歩 (First Step)

  ______     ___     _    _     _____   
 /_____//   / _ \\  | |  | ||  |  ___|| 
 `____ `   / //\ \\ | |/\| ||  | ||__   
 /___//   |  ___  |||  /\  ||  | ||__   
 `__ `    |_||  |_|||_// \_||  |_____|| 
 /_//     `-`   `-` `-`   `-`  `-----`  
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