Hacker News: C64 Audio/Video Cable Swap Demo
2025-04-20
At Revision 2025, a demo called "Signal Carnival" showcased a groundbreaking feat: swapping the audio and video cables of a Commodore 64 and still producing meaningful audio and video. This isn't a simple miswiring; it cleverly uses the C64's VIC and SID chips, driving audio with the video signal and vice versa. The demo even plays audio during loading, featuring a custom loader with on-the-fly GCR decoding. This demonstrates the unexpected potential of the C64 and impressive programming skills.
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