The Applesauce floppy drive controller was invented by John K. Morris. Applesauce combined with the new .woz disk image format for emulators is a major…
This is a continuation from my previous article that gets CP/M booting on the CFFA 3000 and PCPI Applicard. The goal of this article is…
Background: The CFFA 3000 was developed by Richard Dreher and is an absolutely fantastic piece of hardware. It acts as a hard drive for the Apple…
With my collection of CP/M systems growing, I decided to make my high speed version of IMP platform independent. I’ve removed the hardware-specific code from…
Z80Pack by Udo Munk is a great CP/M emulator. It will emulate a number of hardware architectures including the Altair and IMSAI systems, but I primarily…
IMP is a great little terminal program written by Irvin Hoff and I thought it could use a speed upgrade along the same lines as…
The PCPI Applicard is one of the best CP/M cards ever made for the Apple II. It contains a Z80 chip running at either 4…
Background The Senior PROM was a remarkably simple and beautiful debugging/kracking product for the Apple II. Other similar products were the Wildcard and the Crackshot,…
Background Many years ago I read a great article in Computist Magazine about modifying the Apple ][+ ROM code to allow halting the computer at…