I remember reading an interview with Anders Hejlsberg (the main guy who wrote Turbo Pascal) many years ago where he said it was mostly Assembly, with some C (no

I remember reading an interview with Anders Hejlsberg (the main guy who wrote Turbo Pascal) many years ago where he said it was mostly Assembly, with some C (not sure which flavour of C though). Apparently Anders was one of the few people at the time who could write large blocks of 8088 assembler off the top of his head.