Use modern USB keyboards and mice with a vintage Macintosh or Apple II computer. Converts USB to ADB (Apple desktop bus).
It’s time for a new progress report on my USB to ADB converter project! My goal is to design a simple PIC32 device that enables USB keyboards and mice to be used with vintage ADB-based Macintosh and Apple IIgs computers.…
I’m still chugging away slowly on this USB to ADB input translator concept, using a PIC32 starter kit. First the good news: the ADB end of things is pretty much finished. I’ve designed a demo that creates a phantom mouse…
In the comments section of yesterday’s post, I mentioned a concern about ADB’s service request (SRQ) mechanism. A device requesting service can pull the ADB bus low at a certain point midway through another ADB transaction, which is called an…
I’m continuing work on the USB to ADB input adapter for vintage Macintosh and Apple IIgs computers, and I now have an ADB traffic sniffer that’s more-or-less working. It doesn’t (yet) send any ADB traffic, but it displays ADB traffic…
I’ve finished my rough-and-ready “napkin” design for a USB to ADB converter, building off the ideas discussed in my previous post. This device will enable modern USB-based keyboards and mice to be used with vintage ADB-based Apple IIgs and Macintosh…
I’ve begun looking into options for a USB-to-ADB adapter, to enable use of modern USB keyboards and mice on vintage Macintosh and Apple IIgs hardware. There’s no real “meat” to this yet, as I’m just looking at parts availability and…
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