Path: utzoo!utgpu!water!watmath!clyde!bellcore!faline!thumper!ulysses!andante!princeton!udel!rochester!cornell!mailrus!ames!pasteur!ucbvax!hplabs!well!ewhac From: ewhac@well.UUCP Newsgroups: comp.sys.amiga Subject: Re: Ideas for New Custom Chips (a SERIOUS one!) Summary: It's been done before / Proof by counterexample Message-ID: <6510@well.UUCP> Date: 12 Jul 88 18:43:32 GMT References: <3128@polya.Stanford.EDU> <14146@shemp.CS.UCLA.EDU> <613@myrias.UUCP> Reply-To: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab) Organization: Shhh!! We're not supposed to be on the Net! Lines: 28 Quote: "I don't like pink..." In article <613@myrias.UUCP> cg@myrias.UUCP (Chris Gray) writes: >Here's a suggestion for a very simple new mode in the custom chips. [ ... ] > 5-bits > 00000 - use same colour as previous pixel > xxxxx - select one of lower 32 colour table registers > (the 0th entry is not accessible, but is still used > as the border colour) > >The same pattern holds for other depths - all bits zero means use the same >colour as the horizontally previous pixel. > This sounds a hell of a lot like the new weirdass whiz-bang graphics mode on the Apple //-gee-whiz. After reading about this feature and declaring it Pretty Neat Even If Apple Did Think Of It, and thinking about how it would be nice if the Amiga had it too, it struck me that we already have it. It's called HAM mode. Granted, it's not as general as the approach outlined above, but you still can do "area fills" in HAM using a similar technique by judiciously (sp?) selecting pen numbers. _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ Leo L. Schwab -- The Guy in The Cape INET: well!ewhac@ucbvax.Berkeley.EDU \_ -_ Recumbent Bikes: UUCP: pacbell > !{well,unicom}!ewhac O----^o The Only Way To Fly. hplabs / (pronounced "AE-wack") "Hmm, you're right. Air is made up of suspended meat loaf." -- Josh Siegel