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Forums > C64 Coding > DYCP and DYBP
2008-09-03 15:21
Warnock

Registered: Sep 2007
Posts: 28
DYCP and DYBP

Can someone post the sorce for these two routine? You can
explain how it works in theory all day and I still won't get the message. I need to see the routine in action. That's how I learned the various scrolling routines I have to date. I had a double dycp routine but my library was lost during my move to Va back in 1996.

Thanks,
Warnock/Style

P.S. - Seems my group is too busy to help me out.
Grrrrrrrrr.
 
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2008-09-03 18:36
Clarence

Registered: Mar 2004
Posts: 121
Cruzer, little correction, the 'S' in DYSP stands for 'Sideborder'.
Btw, never heard of a DYBP before.
2008-09-03 18:46
Fungus

Registered: Sep 2002
Posts: 686
he means DYPP.

DYBP = different Y bit plotter
2008-09-03 19:32
Cruzer

Registered: Dec 2001
Posts: 1048
Clarence: Different Y Sideborder Position? So the two sideborders have different Y positions? Wow :)
2008-09-03 20:04
Clarence

Registered: Mar 2004
Posts: 121
Cruzer, yes it's strange, but true. I thought S stands for Sprite for a long time as well, until I found that very old demo explaining it. If I find that demo again I will post a link, don't remember now.

Btw, the d.y.c.p. abbreviation was introduced by d.y.c.p./jewels demo.
2008-09-03 20:34
HCL

Registered: Feb 2003
Posts: 728
I always thought DYSP is short for Different Y Sideborder-Sprite Position, but then i recon some d0dz use it for sprite stuff without sideborder timing :(.

btw. he means DYGP! g is very close to b on the keyboard. G is for Graphix.
2008-09-03 20:35
Soren

Registered: Dec 2001
Posts: 547
Dirty Yeast-Butt Pumping ?
2008-09-03 20:59
Testa
Account closed

Registered: Oct 2004
Posts: 197
Dirty Yankee Butt Plug if you ask me... i hope Bush is not mad at me now.... (i think Bush needs protection for the rest of his live) i think he must try to make a dycp in a cave in Irak with a butt plug in his you know what i mean...

2008-09-03 22:24
Moloch

Registered: Jan 2002
Posts: 2928
No, please, explain your dirty fantasy further.

DYBP was a common US demo term years ago, Different Y Bit Position
2008-09-03 22:51
Codey

Registered: Oct 2005
Posts: 79
dybp represented a different y-position every two bits wide (4 per char), while dypp was for every eight bits (8 per char). at least in the ntsc world.

dybp was more efficient and visually looked just as good in my opinion. some of those 1x1 dypp scrollers were almost impossible to read due the text being stretched out so much.
2008-09-03 23:37
Clarence

Registered: Mar 2004
Posts: 121
@Cruzer, I have found the Triangle demo with the (first?) DYSP abbreviation. :)

PhotonDYSP
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