Re: Hires screen clear

Newsgroups	comp.sys.apple2
Date	2015-10-21 11:11 -0700
References	<3bcddc0a-ae8d-43d9-a8cd-9bcbe52e64ce@googlegroups.com> <5ce318ba-1ace-415c-ba64-ddda0374e0e1@googlegroups.com>
Message-ID	<cb7edc07-6077-4074-bb29-0042d0b95ea7@googlegroups.com> (permalink)
Subject	Re: Hires screen clear
From	qkumba <peter.ferrie@gmail.com>

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On Wednesday, October 21, 2015 at 9:45:29 AM UTC-7, fadden wrote:
> On Tuesday, October 20, 2015 at 10:54:00 PM UTC-7, John Brooks wrote:
> > * Fast, small, right-to-left hires screen clear
> > * By John Brooks 10/20/2015
> 
> Nice!  I especially like the odd/even trick.

Any reason to not use X to hold the even colour?  It saves 4 bytes, because you omit the store and replace LDA with TXA, for the same cycle count.

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Hires screen clear John Brooks <jbrooks@blueshiftinc.com> - 2015-10-20 22:53 -0700
  Re: Hires screen clear mwillegal <mike@willegal.net> - 2015-10-21 08:59 -0700
  Re: Hires screen clear fadden <thefadden@gmail.com> - 2015-10-21 09:45 -0700
    Re: Hires screen clear qkumba <peter.ferrie@gmail.com> - 2015-10-21 11:11 -0700
      Re: Hires screen clear qkumba <peter.ferrie@gmail.com> - 2015-10-21 11:29 -0700
        Re: Hires screen clear qkumba <peter.ferrie@gmail.com> - 2015-10-21 11:54 -0700
          Re: Hires screen clear qkumba <peter.ferrie@gmail.com> - 2015-10-21 15:32 -0700
          Re: Hires screen clear qkumba <peter.ferrie@gmail.com> - 2015-10-21 17:53 -0700
    Re: Hires screen clear John Brooks <jbrooks@blueshiftinc.com> - 2015-10-21 21:46 -0700
      Re: Hires screen clear fadden <thefadden@gmail.com> - 2015-10-21 22:11 -0700
        Re: Hires screen clear John Brooks <jbrooks@blueshiftinc.com> - 2015-10-21 23:29 -0700
      Re: Hires screen clear qkumba <peter.ferrie@gmail.com> - 2015-10-21 22:17 -0700
  Re: Hires screen clear Antoine Vignau <antoine.vignau@laposte.net> - 2015-10-21 18:06 -0700
  Re: Hires screen clear mmphosis <mmphosis@macgui.com> - 2015-10-22 03:54 +0000
    Re: Hires screen clear John Brooks <jbrooks@blueshiftinc.com> - 2015-10-21 22:59 -0700
      Re: Hires screen clear mmphosis <mmphosis@macgui.com> - 2015-10-22 06:29 +0000
  Re: Hires screen clear John Brooks <jbrooks@blueshiftinc.com> - 2015-10-23 18:26 -0700

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