Path: utzoo!utgpu!watserv1!watmath!att!bellcore!rutgers!usc!samsung!uunet!ficc!peter From: peter@ficc.ferranti.com (Peter da Silva) Newsgroups: comp.arch Subject: Re: Hardware mice pointers Message-ID: Date: 16 Jun 90 17:06:46 GMT References: <136288@sun.Eng.Sun.COM> <6537@vax1.acs.udel.EDU> <11876@cbmvax.commodore.com> <2264@crdos1.crd.ge.COM> <1990Jun16.142023.19048@ux1.cso.uiuc.edu> Reply-To: peter@ficc.ferranti.com (Peter da Silva) Organization: Xenix Support, FICC Lines: 9 In article <1990Jun16.142023.19048@ux1.cso.uiuc.edu> mcdonald@aries.scs.uiuc.edu (Doug McDonald) writes: > For a hardware mouse pointer to work generally, doesn't the hardware have > to have enough mouse pointer memory to allow storage of all the possible > mouse pointers the user may want? No, just one. It's reasonable to reload the imagery for the relatively infrequent operation of crossing window borders (a few times a second, at most). This is a cheaper operation than blitting the cursor in, since we don't need to do any masking or shifting, just a straight copy. -- Peter da Silva. `-_-' +1 713 274 5180.