Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!spool.mu.edu!uunet!olivea!apple!dlyons From: dlyons@Apple.COM (David A. Lyons) Newsgroups: comp.sys.apple2 Subject: Re: HIRES question Message-ID: <48811@apple.Apple.COM> Date: 4 Feb 91 19:53:25 GMT References: Distribution: comp Organization: Apple Computer Inc., Cupertino, CA Lines: 19 In article nagendra@bucsf.bu.edu (nagendra mishr) writes: >Does anyone remember what the memory location is that tells what page >you're drawing on? [...] I didn't remember offhand, but I remembered that CALL 62454 would fill the current screen with the last used color. 62454 is $F3F6, so I looked and found it using $E6 as the high byte of the pointer to the memory to fill. $E6 is 230, so you want to POKE 230,32 to draw to page 1 and POKE 230,64 to draw to page 2. -- David A. Lyons, Apple Computer, Inc. | DAL Systems Apple II System Software Engineer | P.O. Box 875 America Online: Dave Lyons | Cupertino, CA 95015-0875 GEnie: D.LYONS2 or DAVE.LYONS CompuServe: 72177,3233 Internet/BITNET: dlyons@apple.com UUCP: ...!ames!apple!dlyons My opinions are my own, not Apple's.