Whatever two colors you get through artifacting depends upon the chosen color for your "Background". Rant's end.Īrtifacting: search on "Solitaire" games, omit screenshots not being drawn in hi-res 320x192 and I had one back in the day that drew White playing cards and then used the odd/even numbered pixel two color artifacting effect to approximate the red and black colors of the suits for playing cards Heart and Diamonds red, Clubs and Spades black. Some of the older emulators mess up artifacting as they scale the screen size up into a modern window resolution 2x 3x 4x.they can behave better at 1x scaling. Artifacting only happens in hi resolution 320 width not in color 160 width, and only across the X axis never the Y. Why isn't this the default colors on emulators? It's Even # pixels like 0,n 2,n 4,n produce blue while odd # pixels like 1,n 3,n 5,n produce "brown" confirm this in just a couple of lines of BASIC commands Graphics 8 Plot Drawto. I know the Solitaire game I have in mind will exploit the orangey tint of this brown to draw Hearts and Diamonds.
Moral of the story is there was only one right way to color artifacting, Ultima IV (and 5) get Blue water and "Brown" terrain. Not found any good examples of Solitaire with artifacting, yet, but I did happen upon "Vegas Poker" do read about it. With the help of bad artifacting in Atari 8-bit emulators, NTSC will go down in history as an acronym meaning Never Twice the Same Color.
I swear this dragon never breathed green fire on my Ataris in the 80s. It's the same color as the ground you walk on but because we expect the fire to look orange we can believe it is orange. It can fool you into sensing Green like the trees should be (100 color remakes of U4 depicted with Green caused me to write this mistake) and it also fools you into sensing Orange like the fire breathing dragon at top right in Ultima IV title screen. Not pure brown, this color is like a brown mixed from paints green and orange. I must correct my previous post, the artifacted colors you should see in Ultima IV are Blue water, but the other isn't quite Green forest, it's more of a Brown earth tone that's hard to describe in one word that I know, any suggestions? Atarimania screenshots attached to "Ultima V" (unfinished, unreleased) show this color well. Don't blame me, I'm just a Comment from a Guest User. Now I'm hopelessly Not Sure (about green and purple artifacts emitting from One of my Ataris). My 800XL was reserved for Work, and I solved Ultima IV on my model 800.
Atari800macx sound generator#
The Green and Purple scheme results from a generator phase shift of half a pixel. Of course the various video generators in Atari can be phase tuned to make different artifact colors. Wikipedia has an article named "Composite Artifact Colors", subheading "Hardware", Atari 8bit gets one paragraph, the last paragraph, and it says to expect "blue and red" colors.
Atari800macx sound how to#
Its author may have been an Englishman who needed to research how to draw, and what he read might still be online today. The oldest most primitive emulator I have from 1998-99 has only one color scheme: blue and rich red, Ultima IV gets red water and blue terrain.
Atari800macx sound Patch#
There's so many draw errors in pre 2006 artifacting that rather than patch things the author made "new" artifacting but with silly pastel colors, and introduced new bugs which never got fixed (see Stellar Shuttle). Why is Blue water (in Ultima IV) now termed a Reverse mode, and what's special about the date 2006 relative to Atari 8 bit for such a profound change to be made. 2006 and beyond saw the name change to "XL/XE" artifacting and then Blue Terrain!, the mode which draws Blue water in U4 is now called Reverse, and this is why Reverse XL/XE is listed first and so-called normal XL/XE colors is listed 2nd, because the list didn't change, only the names did. Hi res card games notoriously want reddish suitesīefore 2006, emulator "Atari800MacX" named its default artifact colors "Blue/Brown" and Ultima IV got blue water. Pinball Construction Set & files created by PCS Lode Runner, Championship Lode Runner - reversed? Hard Hat Mack - reversed programming & screenshots Galaxian by "XXL" (an Apple II conversion) Music Construction Set (in Utilities section) ATASCII Character Set is one such example! I want to tag Ultima here with a good list of other "High Resolution" programs having artifacting, not a complete list.įirst there are hi res program not meant to be seen with any artifacting, often made recently in our post-CRT era, or they intentionally draw hi res in such a laborious way as to minimize any artifacting. Sorting out what went wrong with artifacting has made a little mess of comments here, thanx for being understanding.
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