www.delorie.com/djgpp/doc/rbinter/90.html   search  
Int 0x21, AH=0x90

2190 INT 21 U - European MS-DOS 4.0 - ???
2190--CXFFFF INT 21 U - PTS-DOS 6.51 & S/DOS 1.0 - DIRECT DISK READ
2190 INT 21 - VIRUS - "Carioca" - INSTALLATION CHECK

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