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CorpOverreach | 5 years ago

I'm pretty sure no one is running mission/security-critical applications on a 6502.

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rsj_hn|5 years ago

I always assume the worst! There will be some auto engineer trying to backport some functionality and will be googling "JSON Assembly" and will port this code.

211BSD|5 years ago

It won't and should not be used in mission-critical applications, but just for extra fun, one may still want it to be as correct as possible. Right now I'm writing a cryptography library in PDP-11 assembly while investigating tools for its formal verification. Cryptoline looks like a promising candidate.

uKVZe85V|5 years ago

Never underestimate the longevity of systems, since new systems tend to be built on top of old systems.

Though I do not know any, I'm pretty sure in 2021 there *are* mission/security-critical applications running on 6502s in a number of places in the world.

Tor3|5 years ago

The 6502 is one of the few processors validated for embedded medical devices. From https://www.westerndesigncenter.com/ ".. the 65xx microprocessors protect millions of lives annually within embedded heart defibrillation and pacing systems. " Can't get more mission-critical than that I suppose..