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Trap
Registered: Jul 2010
Posts: 223 |
First raster split?
Something that's been on my mind for years ... wonder if I will ever find the answer:
Who did the first real raster split? I did mine in 1987, but I don't think I was the first?
Trap Crap Wrap |
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Trap
Registered: Jul 2010
Posts: 223 |
JackAsser got it right. I was looking for the first real vertical raster split. |
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Turtle
Account closed
Registered: Jan 2002
Posts: 70 |
Guess in some Anthony Crowther's gamethere was that test pattern like split after pressing restore, back in 1984. |
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SIDWAVE
Account closed
Registered: Apr 2002
Posts: 2238 |
Quote: Guess in some Anthony Crowther's gamethere was that test pattern like split after pressing restore, back in 1984.
Yes, in Gryphon |
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4mat
Registered: May 2010
Posts: 65 |
think it's William Wobbler you press restore in. Gryphon's testcard is a bitmap. (press B) |
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LocalH
Account closed
Registered: Jan 2002
Posts: 10 |
IMO, "raster splits" are always "vertical" - since you're splitting the raster mid-line. Otherwise, standard rasterbars would be considered a split, and I don't think anyone with any knowledge whatsoever calls them that =P
Stability is also key, as has been mentioned - anyone can bung together a jittery split that slides around, it takes at least a little bit of skill to make it rock-solid. |
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tlr
Registered: Sep 2003
Posts: 1787 |
The term "split" is used in early books (e.g Mapping the C64) to denote a mid-screen change of a video parameter by using the raster counter.
I'd say "raster split" is/was a fairly common term for usage of normal raster interrupts, especially in the early days.
Remember that there were loads of stuff done before there were any raster bars or vertical splits... |
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Frantic
Registered: Mar 2003
Posts: 1647 |
While TLR is probably 100% correct in pointing out that the term split was used in this way in early days, I personally never heard anyone call anything else than splits in the middle of a rasterline a "split" during the 15 last years or so.
(I guess one could use terms such as "ysplit" (a la rasterbars) and "xsplit" (a la midline splits) to denote the difference between the two...) |
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Danzig
Registered: Jun 2002
Posts: 440 |
nice discussion *LOL* but that all does NOT lead to the answer of traps question. and hey, I want to know the answer, too :) |
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SIDWAVE
Account closed
Registered: Apr 2002
Posts: 2238 |
Quote: think it's William Wobbler you press restore in. Gryphon's testcard is a bitmap. (press B)
The version i have of Gryphon, has a TV test picture, when pressing restore, made with rasters. its no bitmap. maybe you just remember wrong.. :d |
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SIDWAVE
Account closed
Registered: Apr 2002
Posts: 2238 |
I suggest you all go check some very old games, coz a first is likely to be found there.. |
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