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Floppy Emu – Back in Stock
After a long delay, Floppy Emu is back in stock and available for sale now. It’s available with a built-in connector for placement at the rear of the Mac, or bundled with a three foot extension cable...
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Designing a DB-19 Substitute
I’m still searching for a source of more DB-19 connectors, but so far I’ve been unsuccessful finding a single one. As a backup plan, I’m exploring building a DB-19 substitute using a PCB and 19...
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Bagging the DB-19
After days of fruitless searching, I finally found a shop in Macedonia with a stock of DB-19 male solder cup connectors. I bought them all! To be honest, I had to check a map to learn where Macedonia...
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A Good Idea That Wasn’t
A few weeks ago I designed a right angle adapter PCB for the Floppy Emu. The idea was to make a little board that plugged into a standard Emu and converted it to right angle rear mounting, with the...
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Macintosh Disk Daisy Chaining
Floppy Emu was originally developed to be purely a floppy disk emulator for the Macintosh. More recently, I added the ability to emulate a hard disk too, for those Mac models that support Apple’s...
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DB-19 Madness
I have the DB-19 connectors. They’re mine, all mine! MINE!! MWAAAHAHAHAHA!!!!! *Cough* Sorry about that, I don’t know came over me. So the great DB-19 panic of 2015 has ended, and I’ve got 581 of...
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2 GB Disk Images with Floppy Emu
A few months ago I added a hard disk feature to Floppy Emu: HD20-compatible disk emulation, with disk images up to 2 GB! Unfortunately many people didn’t see the news, and I continue hearing from...
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Apple Lisa Floppy Emulation
The Lisa computer was Apple’s precursor to the Macintosh, and it shared a lot of the same hardware and software. I’m going to look at adding Lisa support to my Floppy Emu disk emulator for Macintosh....
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Lassoing the Lisa
Floppy Emu for Lisa progress report: I now have a firmware version that sort-of-works on the Lisa, when using Macintosh disk images, and running Macworks Plus on the Lisa. I can read from an emulated...
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Lisa Emu, Day 3
I always operate my computer on a mahogany desk, while wearing a suit and tie. Don’t you? There’s been no progress on the Lisa disk emulation itself since my last update, but I’ve spent some time...
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Floppy Emu AVRGCC Mystery Behavior
For a while I’ve been struggling with occasional mystery bugs when making changes to the Floppy Emu AVR microcontroller firmware. I’ll make some seemingly innocuous code changes, and completely...
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Lisa Floppy Emu, Looking Good
I’ve been crawling slowly closer to a working floppy emulator for the Apple Lisa, using my existing Floppy Emu hardware. I’ve now got something that’s broadly usable for emulation of Macintosh disks...
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Lisa Native Floppy Emulation
Lisa floppy drive emulation with Floppy Emu is a success! Begone, evil rotational disk drives, with your failure-prone gummed-up mechanisms. The age of SD card Lisa floppy emulation is here! After a...
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Floppy Emu “Universal” Firmware Update
I’ve merged the Lisa floppy emulation functions into the latest Mac version firmware, to create a super universal firmware! it’s a single firmware for Floppy Emu with support for Mac and Lisa, floppy...
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Apple II Disk Emulation
I’ve begun looking into the possibility of Apple II disk emulation with the existing Floppy Emu hardware. The recent research project into Lisa floppy emulation turned out well, so why not do it again...
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Apple SmartPort Pin Directions
How can you deal with signals that might be inputs or might be outputs, in a way that’s safe and won’t damage sensitive electronics? In my last post I described three different types of Apple II...
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Finding a DB-19, Angering the Internet
About six weeks ago, I made a post titled “The $11185 Connector”, about my search for the increasingly rare 19-pin D-SUB and the price quoted by one Chinese factory to manufacture them. This post...
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Apple II (Emulation) Forever
On the road to Apple II floppy disk emulation, I’ve picked up a couple of new members for my retrocomputing collection. Above is a classic Apple IIe – let’s call her Edna. The eBay seller didn’t...
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New Product: Apple Disk Drive A/B Switch
For Lisa computer owners, and Macs with only one floppy connector, disk drive emulation can be awkward sometimes. The Apple Disk Drive A/B Switch aims to eliminate that awkwardness. Available now from...
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Apple II 800K 3.5″ Disk Emulation
Good news, Floppy Emu fans: 800K 3.5 inch disk emulation for Apple II is now working! More good news: it doesn’t require any adapter or other hardware, and it looks like the planned 5.25 inch and...
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