Blogs

All members are invited to blog on Applefritter. Weblogs should generally be of a technical nature and should be written in such a way as to still be readable and useful 50 years from now. Please do not embed outside media. Images and videos can be uploaded via the Media Browser. Files should either be attached to the blog post or uploaded to the file libraries.

When you post to your blog it will appear on this index and on your personal blog page. Once you've made a few posts, contact me about having a graphic added on the top of this page.

RetroAppleJS v1.4 - Apple II+ emulator

Submitted by FlyingZebra on October 3, 2026 - 4:33am

RetroAppleJS v1.4: more hardware, faster experiments, and a deeper look inside the Apple II

RetroAppleJS brings an Apple II+ emulator, a 6502 assembler, and a debugger together in a browser. With v1.4, we have expanded the hardware side of the project and the tools for exploring it: configurable expansion cards and attached devices, a visual system composer, optional WebAssembly acceleration, and a substantially more capable live step debugger.

Tags: 
Apple II

Help with calibration of stepper motor of Disk II

Submitted by Gabriel Montoya on September 14, 2026 - 6:45pm

Hello everyone, I am new to the group. I joined as I became a proud owner of an Apple Ii+ which I have been restoring and making it work again. 

Tags: 
Disk II
Apple Ii+
Stepper motor

ONE LINER: Vaporshow

Submitted by S.Elliott on April 25, 2026 - 3:16pm
Did you ever want to test whether there are any active bits at an unknown address or memory-mapped-IO port?  This one-liner uses vaporlock to distinguish active bits vs floating bits on the Apple data bus.
Tags: 
hardware
vaporlock
troubleshooting
one liner

Pages

Subscribe to RSS - blogs