> 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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