Emu loves Apple II

Apple IIc+ is Weird

It’s time for more Apple II love from Floppy Emu! The newest Apple II compatible firmware, apple-II-0.1M, adds a few small but important improvements: Fixed Smartport hard disk timing problem when starting from a cold boot (Apple IIgs, IIc, IIc+)…

BMOW gross revenue by month, 2015

Kit Biz Profit and Loss

Have you ever wondered what life is like in the “kit biz”, with a part-time business selling electronic gizmos to hobbyists? Maybe you’ve thought about selling one of your own creations, or were just curious if it’s possible to make…

Floppy Emu showing "No SD card" error 10:5

SD Card SPI Initialization

What happens when two devices share the same SPI bus? With a good design, each device is enabled one at a time for use of the bus, and they coexist without problems. With a bad design, SPI communication that’s intended…

USB car charger

Standby Current of a USB Car Charger

How much current does a typical USB car charger consume, when nothing is charging? Zero? Microamps? Milliamps? Is it enough to be concerned about draining the car’s battery? There’s no better way to find the answer than direct measurement, so…

Floppy Emu Model B

Introducing Floppy Emu Model B

Today I’m excited to introduce the first significant update to the Floppy Emu disk emulator for Apple II and classic Macintosh computers: Floppy Emu Model B. The new Model B has the same disk emulation functions as the Model A…

Tetris Max

The Story of Tetris Max

It was the summer of 1992. Nirvana smelled like teen spirit, Ross Perot was running for president, and I was a senior at the Massachusetts Institute of Technology who wanted to play tetris. Looking at the options then available for…

Ostrich with its head in the sand

Backups: Head in the Sand

For two decades, I’ve head my head in the sand when it comes to the topic of backups. My strategy has been: Put lots of essential, irreplaceable work-related design files on PC Every 2-3 years, copy some files to an…

Plus Too on the MiST board

Four Little Updates

Some brief updates on Floppy Emu, Plus Too, and the DiskCopy2Dsk tool: Two Apple IIc Plus testers reported this week that the Floppy Emu disk emulator is incompatible in 3.5 inch emulation mode with that machine. If you’re not familiar…

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