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From: tim@ism780c.UUCP
Newsgroups: comp.sys.mac
Subject: Re: Delphi V2 #60: drawing into screen memory fast
Message-ID: <4662@ism780c.UUCP>
Date: Fri, 21-Nov-86 19:34:00 EST
Article-I.D.: ism780c.4662
Posted: Fri Nov 21 19:34:00 1986
Date-Received: Sun, 23-Nov-86 02:04:14 EST
Reply-To: tim@ism780c.UUCP (Tim Smith)
Organization: Interactive Systems Corp., Santa Monica, CA
Lines: 11

The fastest way to move memory around on a 68k is with the MOVEM
instruction.

A back of the envelope calculation indicates that you can't 
update the screen faster than about 50 Hz.  This is close enough 
to 60 Hz that a more exact calculation is needed.  
-- 
emordnilapanalpanama

Tim Smith       USENET: sdcrdcf!ism780c!tim   Compuserve: 72257,3706
                Delphi or GEnie: mnementh