ChallengesArk-U
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All challengesArk-UIntermediate25 min0 submissions
Ark-U challenge

Write a visible pixel

Draw CodeMill palette color 24 at (2, 3) on layer 0.

Load the color into a register and use screen device 128. The judge reads the same memory-mapped framebuffer as the Display inspector.

Learning goals

  • Load a CodeMill palette index
  • Use SND's screen-device form
  • Address x, y, and layer correctly

Tests

  • Program reaches HLT
  • Framebuffer pixel contains palette color 24
  • Solution uses SND
  • 1 hidden grading test

Hints

arku-pixel.auArk-U source
Run the visible tests or submit when you are ready.