Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!news.cs.indiana.edu!rutgers!gatech!bloom-beacon!eru!hagbard!sunic!mcsun!hp4nl!sci.kun.nl From: ose21@sci.kun.nl (John Graat) Newsgroups: comp.os.msdos.programmer Subject: HGC and vertical retrace Keywords: HGC vertical retrace Message-ID: <2536@wn1.sci.kun.nl> Date: 6 Dec 90 13:10:41 GMT Sender: root@sci.kun.nl Reply-To: ose21@sci.kun.nl (John Graat) Distribution: comp Lines: 14 Hello everybody, Does anyone know if it is possible to let the HGC generate an interrupt when a vertical retrace occurs? I know it can be can done with an EGA-card, but with a HGC too? Thanks in advance. John Graat University of Nijmegen Faculty of Mathematics and Computer Science The Netherlands email: ose21@sci.kun.nl