Assembly Instruction: Halt and Catch Fire (HCF)en.wikipedia.org 6 pointsecstrema2 years ago1 commentSaveHideCopy link On HNComments−daly2yThis was a real thing actually.The Pentium had a FOOF instruction that immediately halted the processor until reboot (https://en.wikipedia.org/wiki/Pentium_F00F_bug)There were stories of overclocking certain brands of CRTs which would catch fire.So the game was to write a program that set the CRT to overclock and then execute FOOF. The result was that the CPU hard-stopped and the CRT caught fire.Fun times.
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This was a real thing actually.
The Pentium had a FOOF instruction that immediately halted the processor until reboot (https://en.wikipedia.org/wiki/Pentium_F00F_bug)
There were stories of overclocking certain brands of CRTs which would catch fire.
So the game was to write a program that set the CRT to overclock and then execute FOOF. The result was that the CPU hard-stopped and the CRT caught fire.
Fun times.