On 5/30/2018 7:34 AM, Camiel Vanderhoeven via cctalk wrote:
The microcode for the MicroVAX 2 (for which the MICRO2
used) and the CVAX (which is the CPU in your 3800) is implemented as
a mask ROM on the CPU chip itself. No way to change it, and no way
you can use MICRO2 to assemble the microcode for the CVAX.
Years ago I was playing the the microcode of the DEC Minnow (PDP-10)
which was written in MICRO2 - but I don't think I ever found that assembler.
Do MICRO2 executables exists?