Path: utzoo!attcan!uunet!husc6!mailrus!csd4.milw.wisc.edu!srcsip!gorby!mnkonar From: mnkonar@gorby.SRC.Honeywell.COM (Murat N. Konar) Newsgroups: comp.sys.mac.programmer Subject: Re: Smoothly dragging small pictures Keywords: drag smooth copybits offscreen Message-ID: <21816@srcsip.UUCP> Date: 12 May 89 23:29:33 GMT References: <12492910881010@osu-20.ircc.ohio-state.edu> <1065@umn-d-ub.D.UMN.EDU> <1488@murtoa.cs.mu.oz.au> Sender: news@src.honeywell.COM Reply-To: mnkonar@gorby.UUCP (Murat N. Konar) Organization: Honeywell Systems & Research Center, Camden, MN Lines: 18 In article <1488@murtoa.cs.mu.oz.au> jkjl@munmurra.UUCP (John Lim) writes: (code deleted) >The rationale behind it is that the value returned by TickCount() only >changes when the screen refreshing task is moving back to the top >of the screen and not redrawing the screen. Refer to Knaster's first book >(cant remember its title at the moment). "How To Write Macintosh Software" but it should have been called "How To Debug Macintosh Software." Good book. Anyhow, isn't it true that since the Mac II's video guts are on a seperate card that the video refresh is no longer strictly synced with the VBL? Seems like I read this in IM-V somewhere. ____________________________________________________________________ Have a day. :^| Murat N. Konar Honeywell Systems & Research Center, Camden, MN mnkonar@SRC.honeywell.com (internet) {umn-cs,ems,bthpyd}!srcsip!mnkonar(UUCP)