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Forums > C64 Coding > Who really invented 4x4 mode?
2006-09-23 20:00
trident

Registered: May 2002
Posts: 85
Who really invented 4x4 mode?

Ok so Graham made the first implementation of 4x4 that was useful in practise (Coma Light 12), but who was the first to invent 4x4 and to use 4x4 in a demo? I seem to remember something about Wrath Designs being the first to use it but I was quite absent from the scene in 1994 so I can't recall in which demo.

Anyone knows better?
2006-09-23 20:34
hollowman

Registered: Dec 2001
Posts: 474
i remember the note for courtesy of soviet
2006-09-23 20:35
chatGPZ

Registered: Dec 2001
Posts: 11164
that raises the question what exactly you mean by "4x4" (i assume 4x4 fli). eg there have been scrollers with 4x4 pixels loooong before 1994 :)
2006-09-23 21:08
trident

Registered: May 2002
Posts: 85
Quote: that raises the question what exactly you mean by "4x4" (i assume 4x4 fli). eg there have been scrollers with 4x4 pixels loooong before 1994 :)

Of course I meant 4x4 scrollers, not 4x4 FLI :-P

Hollowman: wasn't Courtesy of Soviet released after Coma Light 12?
2006-09-24 07:03
Honesty

Registered: Jan 2003
Posts: 117
Who was comming up first with such kind of effect (4x4) scroller was crest in ice cream castle where they use a kind of eci mode to display a flipping fli logo.

I also coded such a scroller in 1992 never released it thou coz the group died before demo was ready.
2006-09-24 07:28
Krill

Registered: Apr 2002
Posts: 2870
Honesty: sounds more like 4x1 to me :)
2006-09-24 09:01
hollowman

Registered: Dec 2001
Posts: 474
Quote: Of course I meant 4x4 scrollers, not 4x4 FLI :-P

Hollowman: wasn't Courtesy of Soviet released after Coma Light 12?


yes, but they write in the note about how they invented the 4x4 mode before oxyron released theirs
2006-09-24 09:13
Oswald

Registered: Apr 2002
Posts: 5034
lol, well graham has the credit no matter how hard the wrath guys cry.
2006-09-24 11:48
chatGPZ

Registered: Dec 2001
Posts: 11164
i'd almost bet that other people did it years before but didnt release it, because they thought its crap :)
2006-09-24 12:01
trident

Registered: May 2002
Posts: 85
Quote: i'd almost bet that other people did it years before but didnt release it, because they thought its crap :)

:-D

Ok thanks for clearing this up. So it is Graham we should all blame then :)

Btw who was the first to do pixel-based effects in 8x8 or 8x4? First time I remember seing an 8x4-based effect was a rotator in an old Censor demo. Can't remember which though.
2006-09-24 12:19
Oswald

Registered: Apr 2002
Posts: 5034
Btw who was the first to wipe his ass after taking a dump? First time I remember seeing this was when I accidentally opened the wc door on one of my parents. Can't remember which though.


2006-09-24 12:19
trident

Registered: May 2002
Posts: 85
Quote: :-D

Ok thanks for clearing this up. So it is Graham we should all blame then :)

Btw who was the first to do pixel-based effects in 8x8 or 8x4? First time I remember seing an 8x4-based effect was a rotator in an old Censor demo. Can't remember which though.


It was Wonderland X
2006-09-24 12:41
chatGPZ

Registered: Dec 2001
Posts: 11164
now that brings us to the question "what is a pixel based effect" ? =D 1993 sounds late, i bett it was used for simple stuff like screen-whiping (is that an effect?) much earlier. and ofcourse, there were scrollers.... =)
2006-09-24 12:55
trident

Registered: May 2002
Posts: 85
Quote: now that brings us to the question "what is a pixel based effect" ? =D 1993 sounds late, i bett it was used for simple stuff like screen-whiping (is that an effect?) much earlier. and ofcourse, there were scrollers.... =)

Ah the scrollers, of course :-)

I don't have a good definition of "pixel based effects"... haven't been thinking too hard about it really. I was thinking something like "the type of effects typically done in 4x4 mode but in 8x4 or 8x8 mode" (alternatively "PC demo-type effects" - but there has to be a better definition...). The rotate effect in Wonderland X is one of those. Such effects weren't seen much before 1994 and I remember thinking that it looked quite clunky back then. A few years later it didn't look as clunky since we were all quite used to that kind of clunkyness by then :-)

2006-09-24 12:57
Oswald

Registered: Apr 2002
Posts: 5034
any effect is pixel based

or can you display anything without pixels ?
2006-09-24 13:44
Graham
Account closed

Registered: Dec 2002
Posts: 990
Lowering the resolution is a very old idea. Jeff Minter did some 8x8 effect in 1985. TTS did some 4x4 stuff before CL12 too, but it was 4 colors so it didn't need any display code. The innovation in CL12 was not the low resolution, but the IRQ based display code.
2006-09-24 17:35
Radiant

Registered: Sep 2004
Posts: 639
I remember an old BASIC book from the 80's that I read as a kid had some routines for drawing 4x4 graphics.
2006-09-24 17:38
chatGPZ

Registered: Dec 2001
Posts: 11164
the trash80 has 4x4 builtin! =P
2006-09-25 06:26
Oswald

Registered: Apr 2002
Posts: 5034
this topic now wore out, lets start another stupid who made first what topic
2006-09-25 07:01
trident

Registered: May 2002
Posts: 85
The ABC80 also had a built-in (monocrome) 4x4 mode and the C64 charset also has it (even though there are no BASIC commands that make use of it).

Regarding early 8x8 stuff, I guess there were a few 8x8 plasmas around before 1994 too. But what about 8x4?
2006-09-25 11:07
Graham
Account closed

Registered: Dec 2002
Posts: 990
8x1 and 4x1 are used since the beginning of FLI.
2006-09-25 11:14
Oswald

Registered: Apr 2002
Posts: 5034
8x8 is used since the VIC was invented.
2006-09-25 15:19
trident

Registered: May 2002
Posts: 85
Quote: 8x1 and 4x1 are used since the beginning of FLI.

Yeah, I'd even go so far as to say that 8x1 and 4x1 was the beginning of FLI (the 37 / 74 split effects).
2006-09-25 15:36
chatGPZ

Registered: Dec 2001
Posts: 11164
obviously :)
2006-09-25 15:39
Oswald

Registered: Apr 2002
Posts: 5034
anyone else who wanna look smart telling a fact everyone knows?
2006-09-25 16:23
Tch
Account closed

Registered: Sep 2004
Posts: 512
The Sun is not made of gas but has a surface! 8P
2006-09-25 16:41
Oswald

Registered: Apr 2002
Posts: 5034
my fart is made out of gas
2006-09-25 16:50
Tch
Account closed

Registered: Sep 2004
Posts: 512
I wasn´t kidding..
2006-09-25 18:24
trident

Registered: May 2002
Posts: 85
Quote: obviously :)

Haha, a little too blindingly obvious there... Sorry about that :-)

Anyway, does anyone have anything to say about the use of the 8x4 mode for the rotator in Wonderland X? As gpz points out, 1993 does sound quite late for that type of effect. Does anyone have an example where 8x4 mode was used previous to Wonderland X?
2006-09-26 03:08
Ninja

Registered: Jan 2002
Posts: 408
Check Secret Censor Tools for more info about those parts. IIRC Bob wrote something about them in the note.
2006-09-26 07:16
HCL

Registered: Feb 2003
Posts: 719
Think those tools are basically for defining areas with the same color on bitmaps, like the many censor-parts from this era.

About the 8x4-rotator in WLandX.. First of all Contring didn't compensate for the pixel format, which makes the picture streched when tilted 90 degrees. Doh! I still can't think of any effect using 8x4 in this way before.
2006-09-26 09:10
Oswald

Registered: Apr 2002
Posts: 5034
I really dislike all the fx that doesnt compensates for the aspect ratio, is it really so hard to add that *2 or /2 in the (pre)calculations ?
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