Smoother Demo Effect Animation on a Retro IBM PC | Working Retro MFM Hard Drve @PCRetroTech

Smoother Demo Effect Animation on a Retro IBM PC | Working Retro MFM Hard Drve @PCRetroTech

Uploaded September 2019 | Updated September 2026, 2 weeks ago

We finally get a fully smooth demo effect on the CGA card of the original IBM PC.

The code is available here:

github.com/wbhart/CGAGraphics

Smoother Demo Effect Animation on a Retro IBM PC | Working Retro MFM Hard Drve

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Smoother Demo Effect Animation on a Retro IBM PC | Working Retro MFM Hard Drve