On vrijdag, september 21, 2001, at 02:38 , Cabuzel Thierry wrote: >>> On DOS it is impossible. >> >> output by hooking (real mode) interrupt 29 (I don't know whether it >> would also work for fpc programs) > > Or Interrupt 0x21 :) But that one does its screen writing by delegating to interrupt 0x29, so catching that one is enough. Jonas