APPLE CRAPPLE

This is a tutorial on how to use an Apple II with a Super Serial Card as a 28C16 EEPROM programmer. For the purposes of this tutorial, I wil...

I integrated the 4164 DRAM decoder wiring into the logic board this weekend. It was very difficult to troubleshoot, and on retrospect, I th...

I spent some time working on my Wimos Lolin ESP32 this weekend. I recently wrote up a simple how-to about the ESP32 device on my other blog...

During my recent move, one of my Apple II+ computers didn't fare so well and broke 2 key posts. I really don't like the keyboard in ...

One of my big RetroChallenge goals was to get my office organized after recently moving. However, I decided to just move everything to a sto...

Lots of parts have come in for RetroChallenge.

I uploaded my source code for ElWhip onto GitHub . Unfortunately, there are still some files that have Macintosh line endings, so some of t...

It is that time of year again, again! RetroChallenge ! My objectives, by priority: Organize my office with old computers and identify stuf...

After much experimenting, I figured out that an unusually low usb timeout setting was causing usb transfers to stall on the Raspberry Pi. Af...

Although my Apple IIe Platinum was not working correctly, I remembered that the color pattern I was seeing was actually a self-test mode tha...

I was able to port a2usbdsk to the Raspberry Pi quite easily due to it being based on libusb and libftdi . Really, I just had to set up a m...

I received my first Raspberry Pi in the mail today. It is a Raspberry Pi Zero W . I am excited to really try it out. I have it running, but ...

The build pipeline is an update of Jeremy Rand’s Apple2BuildPipline based on Quinn Dunki’s project of the same name . Using this allowed m...

RetroChallenge 2017/10 is way over and I got sidetracked about half-way through. Way too much IRL stuff got in the way. However, I have had ...

Hmm,I have been playing with DSKalyzer , and as great and as powerful as it appears to be for organizing your disk images, I don't think...

I was having some serious issues getting my AII-SPI-USB command line tool (for transferring disk images to the UM232H) working on my newer M...

Found my AII-SPI-DSK adapter on the breadboard. Unfortunately, the counter was harvested off of it for some other project. Now I need to tra...

I downloaded my AII-SPI-DSK program and tried to get it running without success. First FTDI library version errors, then a file not found er...

To get started building an Apple II program, I used some existing resources to make sure my installation of cc65 compiler is configured corr...

Minor update. It is pretty cool to watch this thing run from a clean install. Lots of scrolling text! adds help, clean sets apple2 as the d...