> On Apr 21, 2024, at 3:11 PM, ben via cctalk <cctalk@classiccmp.org> wrote: > > On 2024-04-21 8:45 a.m., Mike Katz wrote: > >> As for the RP2040 being cheap crap, I beg to differ with you. It is a solid >> chip, produced in 10s of millions at least. And, I would bet, a better >> quality chip than your Z-80, if due only to improved IC manufacturing >> technologies. > The pi looks like parts were picked for lowest cost,biggest profit, like most > products today. RISC chips have been around for 40 years, and yet versions > change like hotcakes every year. Raspberry Pi and Raspberry Pico are entirely different and unrelated devices. I've been using the original Pico and also the Pico-W (with WiFi for one more dollar) for a bunch of projects; they work well and the price is hard to beat. The PIO (programmable state machine) subsystem is particularly impressive; for example, I used it to implement a DDCMP sync line interface. paul
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