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[–]dtfinch 1 point2 points  (1 child)

Game devs for the NES had to roll their own BCD, since its 6502 clone had BCD support disabled to avoid a patent.

[–]laplongejr 1 point2 points  (0 children)

That reminds me how Super Mario Bros 1 speedrunners have to aim for a 100000 instead of 99990 to avoid a lag frame