@fraggle some sources are in the archives that were digitised (i think they will be completely released soon), but, i don't think it's complete, and far newer than 0.10 (86dos 1.00 to 1.14, 1.00 is april 81, 1.10 and 1.14 are similar to dos1 but a bit older and with different compile options and not for ibm pc)