Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!unix.cis.pitt.edu!dsinc!bagate!cbmvax!carolyn From: carolyn@cbmvax.commodore.com (Carolyn Scheppner - CATS) Newsgroups: comp.sys.amiga.programmer Subject: Re: Block Moves Blits Keywords: Blitter Message-ID: <22718@cbmvax.commodore.com> Date: 26 Jun 91 23:31:32 GMT References: Reply-To: carolyn@cbmvax.commodore.com (Carolyn Scheppner - CATS) Organization: Commodore, West Chester, PA Lines: 21 In article utoddl@next1.oit.unc.edu (Todd M. Lewis) writes: >[] >need to blit. The problem is I've had a devil of a time figuring out all >the details of how the blitter regs work with various shifts and ascending >and descending blit modes. Some of them work as expected, others have >obvious problems with modulos, etc. >[] Do you have the 1.3 Addison Wesley Amiga Hardware Manual ? That book includes what I call the "Lost Blitter Docs" on how moves and modulos work. In addition, the chapter was reworked and edited by Mr. Blitter himself, Tom Rokicki (author of BlitLab). -- ========================================================================== Carolyn Scheppner -- Tech. Mgr. CATS - Commodore Amiga Technical Support PHONE 215-431-9180 {uunet,rutgers}!cbmvax!carolyn carolyn@commodore.com I am fully operational and all of my circuits are funcTiOnINg pperrf... ==========================================================================