Path: utzoo!utgpu!watmath!clyde!att!rutgers!gatech!cwjcc!mailrus!ncar!ames!oliveb!amiga!boing!dale From: dale@boing.UUCP (Dale Luck) Newsgroups: comp.sys.amiga Subject: Re: Non-distruction graphics Keywords: video blitter Message-ID: <522@boing.UUCP> Date: 1 Dec 88 10:11:16 GMT References: <6287@dayton.UUCP> <1011@microsoft.UUCP> Reply-To: dale@boing.UUCP (Dale Luck) Distribution: na Organization: Boing, Milpitas, Ca. Lines: 15 In article <1011@microsoft.UUCP> glenns@microsoft.UUCP (Glenn Steffler) writes: > >Albeit, the blitter would have to do a READ and a WRITE to XOR, but it's >quick at them type things, it was made for it. > Regardless of drawing mode, the blitter needs to read and write. We are only modifying one bit in a word and all accesses to chip mem with the blitter are word accesses. -- Dale Luck Boing, Inc. {uunet!cbmvax|pyramid}!amiga!boing!dale Although I do contract work for Amiga-LosGatos, my opinions probably don't represent those of Commodore or its management or its engineers, but I think the world would be a better place if they did.