www.delorie.com/djgpp/doc/rbinter/F9.html   search  
Int 0x21, AH=0xf9

21F9 INT 21 - DOS v2.11-2.13 - OEM FUNCTION
21F9 INT 21 - DoubleDOS - SET TIMESHARING PRIORITY
21F9 INT 21 - VIRUS - "Satans-Bug" - INSTALLATION CHECK

  webmaster   donations   bookstore     delorie software   privacy  
  Copyright 2000   by Ralf Brown     Updated Jul 2000