I used reverse connectors as well for the olduino/z.? Are you able to put the front panel on top of the SIO?
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The Olduino is a retro-Arduino. This one uses a Zilog Z80 processor from the 1970s but adds hardware and software so it can function like an arduino and use some arduino add-on shields. The Olduino/Z is more limited than an Arduino but that is part of the fun.
The Olduino/Z has 8 dedicated output pins and 7 inputs…
olduino.wordpress.com
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Thanks all,
Working fine now. I downloaded the CPM files from the website and simply copied the contents of the ZIP to the SDcard and then booted the Z80MC with the SIO board but not the FP. Some activity and? then hey presto CPM prompt.?
Works fine. Bit slower than I recall my old DEC Robin, but fine. Will have some fun putting Small C and Pascal on to the card.?
I've got plans for a Z80 PIO and CTC on my expansion board.
Meant to mention that I reversed the pins and sockets on the boards, so that I could plug directly into the CPU board with single core bare wires or male pin back to back breadboard wires, rather than having to use DIP sockets. I also found some 20 way versions
of the white connectors from EBay and used those with one 10 way supplied to make the inter board connectors.?
Here's a photo of the completed boards.
Best Regards
Pau l
