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Playing Atari ST Music on the Amiga with Zero CPU
Demoscene programmer Arnaud Carré (Leonard) developed a zero-CPU method to play Atari ST YM2149 chiptune music on the Amiga, using the PAULA audio chip's underused attached voice feature and the COPPER coprocessor to offload all tasks from the Motorola 68000 CPU. This innovation allowed him to break the Amiga sin-dots record by rendering 7210 dots at 50 FPS while playing the music, in response to a playful challenge from fellow demoscene legend Hannibal.
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0- First seen
- May 17, 2026, 4:00 PM
- Last updated
- May 17, 2026, 8:11 PM
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9 tagschiptune musicdemoscenesin-dots effectzero CPU usageYM2149 emulationPAULA attached voiceCOPPER coprocessorAmiga demoAtari ST music
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1 evidence itemsPlaying Atari ST Music on the Amiga with Zero CPU
News · 1May 17, 2026, 4:00 PMOpen original source
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Playing Atari ST Music on the Amiga with Zero CPU
May 17, 2026, 4:00 PM
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