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Way back when in the 486 days, I was poking around simtelnet and found a K&R C compiler. This one, I think:

http://www.filewatcher.com/m/pcc12c.zip.175811-0.html

It came with a demo game, which was a Caterpillar clone which ran in text mode. (Unfortunately the archive above doesn't have the source, only the executable.) This game used loops for timing.

When I ran it on my high-end 486, at a whole 66MHz, the screen would flicker madly for a couple of seconds and then the game would exit. In that time it had run through all three lives with no user input.

That 486 was at least an order of magnitude faster than the 4.77MHz 8088 that the game had been written for. And modern machines are a good couple of orders of magnitude faster still. I wonder how long that game would take to run on the desktop I'm typing this on...




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