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Hello world!

The classic Piet Hello world sample: a grid of colour blocks that prints "Hello world!" as the Direction Pointer walks the image and each colour transition pushes, adds and prints a character. A perfect first target for single-stepping one codel-transition at a time and watching the stack build each letter.

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Format: Piet program image (colour-block bitmap)  ·  By: emulators.org  ·  Licence: Public domain