Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!yale!cs.yale.edu!tarr-michael From: tarr-michael@CS.Yale.EDU (michael tarr) Newsgroups: comp.sys.mac.programmer Subject: Vertical Retraces Message-ID: <25611@cs.yale.edu> Date: 21 Jul 90 14:26:15 GMT Sender: news@cs.yale.edu Reply-To: tarr-michael@CS.Yale.EDU (michael tarr) Organization: Department of Psychology, Yale University Lines: 8 Anyone out there have some Think C code to find out when a monitor begins its vertical retrace (on the old macs tickcount did it). With all the monitor possibilities it is a bit tricky -- I guess I would use the VBL manager, but I am mystified by this part of IM. Mike Tarr tarr@cs.yale.edu