The UCA now supports Signetics 2650 ! It’s the last “major” CPU family I wanted to add before release. Like for the Z80, it requires a cheap passive adapter on top for the iAPX-86 UCAS.
John from CPUSHACK wrote a nice article on this CPU.
Testing frequency can be set at 1.25/2/2.5 or 3 MHz
Signetics 2650A – Tested at 1.25 MHz