Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!caen!news.cs.indiana.edu!rutgers!psuvax1!psuvm!dxb132 From: DXB132@psuvm.psu.edu Newsgroups: comp.sys.amiga.programmer Subject: Re: Lemmings - a tutorial Part V (last) Message-ID: <91089.200133DXB132@psuvm.psu.edu> Date: 31 Mar 91 01:01:33 GMT References: <23788@well.sf.ca.us> <23837@well.sf.ca.us> <781@tnc.UUCP> <2149@pdxgate.UUCP> Organization: Penn State University Lines: 14 In article <2149@pdxgate.UUCP>, bairds@eecs.cs.pdx.edu (Shawn L. Baird) says: >I sincerely doubt that you find the routines so horrible that you >avoid using them when running programs like your editor, your assembler, >etc. You can't tell me that fast blitting is impossible when the OS is >still intact. Look at CED. It blazes it's scrolling along at a very >fast clip (and I've noticed that the rest of the machine slows down >accordingly), probably by OwnBlitter() for long periods of time. That example doesn't help your point. CED uses blitting which is many many times slower than using the copper to aid scrolling. But it has no choice in order to remain Intuition compatible. -- Dan Babcock