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koz1000 | 2 years ago

One embedded platform I worked on was developed in the late 80s, launched in 1990, and code I wrote in 1994 is still running. It's a 6809 processor with a little bit of RAM and 512KB of EEPROM attached. The entire code base is pure assembly language. That doesn't mean it doesn't have bugs, it just means no stdlibs to lean on.

The key isn't the longevity of the CPU, it's whatever is attached to it. Input and output stages fail, power supplies spike, things burn out, things wear out. So the processor can keep going strong...but what are you controlling?

But TDLR the answer is use the oldest sustainable tech you can find. Think like Gunpei Yokoi and build a Gameboy, not a Steam Deck.

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markus_zhang|2 years ago

Directly from wikipedia:

Yokoi said "The Nintendo way of adapting technology is not to look for the state of the art but to utilize mature technology that can be mass-produced cheaply." He articulated his philosophy of "Lateral Thinking of Withered Technology" (枯れた技術の水平思考, "Kareta Gijutsu no Suihei Shikō") (also translated as "Lateral Thinking with Seasoned Technology"), in the book Yokoi Gunpei Game House. "Withered technology" in this context refers to a mature technology which is cheap and well understood. "Lateral thinking" refers to finding radical new ways of using such technology. Yokoi held that toys and games do not necessarily require cutting-edge technology; novel and fun gameplay are more important. In the interview, he suggested that expensive cutting-edge technology can get in the way of developing a new product.