You can easily interface it with a plethora of vintage drives, everything from your basic 360KB floppy drive to your 1.44 MB high density drive. It actually has three different chip selects, one for the controller, one for the DOR (disk operation register?) and one for the DCR (disk configuration register?). The WD37C65 is a great single-chip solution, combining the floppy controller, data separator, and control latch. So I knew this chip reasonably well and decided to go ahead and make use of it for my raspberry pi project. I’ve previously played with the RomWBW CP/M distribution for the RC2014, and the floppy drive that’s contained as part of it. I’ve used the WD37C65 floppy controller IC a few times in the past, most notably as part of a floppy interface project for the RC2014 computer. So I set along to create this much needed had, the missing link between the raspberry pi and the floppy disk drive. How else are you supposed to interface your Tandon TM100-2A or your Teac FD-55BR or even, for you cutting edge folks, your Sony MFP290 3.5” high density drive? It’s really shocking that the pi doesn’t have the ubiquitous 34-pin floppy header that we all know and love. If there’s one criticism I hear more often than any other about the pi, it’s “ I wish my Raspberry Pi had a floppy drive“.
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