Realtime fullscreen scaling demo on a CoCo 3

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Uploaded by on Nov 1, 2009

This is a demo I did to demonstrate how powerful the CoCo 3 is. This demo runs in 256x200 16-color mode, and performs horizontal and vertical scaling in realtime on a source image of 128x128 pixels. There is no video hardware trick involved: everything is done using the CoCo's stock 8-bit CPU.
My homepage: http://sites.google.com/site/rveilleux/coco3home

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This video is a response to Boink Bouncing Ball demo on CoCo 3
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  • My have those certain keys yellowed over the years. Impressive demo.

  • That's really fast! Would be neat to show this at the CoCoFEST! (Check my video for a full motion video/sound player that was demoed this year.)

  • Wow! Why not coding a full demo for demoscene? You will be the first. I have coded some nice things too on my CoCo 3 in ASM. I was about 16.... There is two problem with the Coco, no sprites, no sound chip. So, the Cpu must do all the stuff, and this give not enough CPU power left for fluid animation when you have to deal with software music/sprites.

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