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Groups > comp.sys.apple2 > #23400
| From | Michael Black <et472@ncf.ca> |
|---|---|
| Newsgroups | comp.sys.apple2 |
| Subject | Re: Vertical BLanking (VBL) for Apple II |
| Date | 2015-01-02 00:07 -0500 |
| Organization | National Capital Freenet, Ottawa, Ontario, Canada |
| Message-ID | <alpine.LNX.2.02.1501020006000.24002@darkstar.example.org> (permalink) |
| References | <mmphosis-1420157056@macgui.com> <m84nn2$gfk$1@speranza.aioe.org> <1d824d63-3c62-439f-b594-13aeea89c519@googlegroups.com> |
On Thu, 1 Jan 2015, doug.dingus@gmail.com wrote: > This technique, combined with a timer or interrupt, opens the door for > some nice graphics, maybe coupled with compiled sprites. > > Without the timer, at a minimum, it is not too useful, though I hope to > be surprised > Didn't Don Lancaster cover this in one of his books about the Apple II? I think I have the book somewhere, bought because I found it cheap. But never paid attention to anything but the chapter on disassemblying programs, because I didn't have an Apple II back then. One might check Don's website, www.tinaja.com, because he has released soem of his older books as free ebooks. Michael
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Vertical BLanking (VBL) for Apple II mmphosis <mmphosis@macgui.com> - 2015-01-02 00:03 +0000
Re: Vertical BLanking (VBL) for Apple II "Bill Buckels" <bbuckels@mts.net> - 2015-01-01 18:10 -0600
Re: Vertical BLanking (VBL) for Apple II doug.dingus@gmail.com - 2015-01-01 18:32 -0800
Re: Vertical BLanking (VBL) for Apple II Michael Black <et472@ncf.ca> - 2015-01-02 00:07 -0500
Re: Vertical BLanking (VBL) for Apple II Michael J. Mahon <mjmahon@aol.com> - 2015-01-02 02:43 -0600
Re: Vertical BLanking (VBL) for Apple II David Schmenk <dschmenk@gmail.com> - 2015-01-02 17:40 -0800
Re: Vertical BLanking (VBL) for Apple II D Finnigan <dog_cow@macgui.com> - 2015-01-03 07:34 +0000
Re: Vertical BLanking (VBL) for Apple II mmphosis <mmphosis@macgui.com> - 2015-02-01 18:56 +0000
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