Daniel Balsom's GlyphBlaster Delivers Smooth Full-Screen Streaming Video — on an IBM PC
Daniel Balsom, vintage computing enthusiast and creator of the MartyPC IBM Personal Computer emulator, has created a device capable of injecting full-framerate video into the output of a Color Graphics Adapter (CGA) — delivering not only Bad Apple on an IBM PC, but a cat that can chase your cursor around the screen: the GlyphBlaster.
"There's a certain genre of retro-hardware hack that everyone recognizes is technically cheating, but has a certain audaciousness to it that merits respect regardless. I hope that this one falls into that category," Balsom writes of the project. "I recently used a One ROM to replace the font ROM on my CGA card, and subsequently I was able to replace IBM's classic 8×8 font with a custom one. The programmability of the One ROM intrigued me - especially its plugin system. My idea, in short, [was] to use the font ROM readout as a 1bpp,...
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