When I first powered up the Z-100 for testing, everything worked except one of the 8″ disk drives, a Tandon TM848-1E. The drive light would…
Transferring files one a time was getting a little tedious. The Kermit terminal program (there is actually a Kaypro version of Kermit) and QTerm, which also supports…
What vintage technology site would be complete without at least one vacuum tube project! My college engineering experience was during the 1990s and I never…
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,…
Fun with the Kaypro 4 I had never really planned on owning a Kaypro 4, but one day I came across a poor neglected little CP/M…
Background Many years ago I read a great article in Computist Magazine about modifying the Apple ][+ ROM code to allow halting the computer at…