I discovered a VAX C compiler on bitsavers: https://ftpmirror.your.org/pub/misc/bitsavers/bits/DEC/vax/vms/RX50 Failed installations can be problematic so i did a rehearsal on simh using an image of the physical disk. I had to clear some space by deleting files in dua0:[development]. I think i can be fairly confident that VAX C V2.2 will install on the physical … Continue reading MicroVAX I VAX C Installation