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Monte Carlos
Registered: Jun 2004
Posts: 364 |
Event id #2417 : First CSDb "Unintended OpCode coding challenge"
So here it is. The First CSDb "Unintended OpCode coding challenge" starts over.
First CSDb "Unintended OpCode Coding Challenge"
Please give some feedback about your interest in this compo.
For those who have been part of the discussion
http://csdb.dk/forums/?roomid=12&topicid=112819#112927
please let me know if you are in better agreement with the reworked rules than before.
However, there will not be a rule change anymore. |
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Oswald
Registered: Apr 2002
Posts: 5095 |
yeah, well often it is good to try to find a better solution instead of fucking the illegals :) |
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Monte Carlos
Registered: Jun 2004
Posts: 364 |
let's JAM |
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Rastah Bar
Account closed
Registered: Oct 2012
Posts: 336 |
One potential use of SAX, SHA, SHX, and SHY could be in border graphics ($d020, $3fff, $39ff).
With something like
lda #value1
ldy #value2
ldx #value3
sta $d020 ;or $3fff or $39ff when the ECM bit is on
stx $d020
sty $d020
sta $d020
stx $d020
sty $d020
... ; repeat the above
the result will be columns of 4 characters wide, but only three different values are used. If you want to change a color with an lda #value4, for example, one column will become 6 characters wide. But with the mentioned UOCs you can change the color/value to create a column of only 5 characters wide (4 even with SAX), although the range of value4 may be very limited. |
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T.M.R
Account closed
Registered: Dec 2001
Posts: 749 |
Yays, i was the first entry! Now watch everyone else turn up and completely nuke mine! =-) |
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Rastah Bar
Account closed
Registered: Oct 2012
Posts: 336 |
Nice one! I like the border graphics ;-) |
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T.M.R
Account closed
Registered: Dec 2001
Posts: 749 |
Quoting Color BarNice one! I like the border graphics ;-)
i've been sitting on that main effect for a few weeks, it was the most interesting thing i could think of to do with the commands after reading through the docs. =-) |
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Rastah Bar
Account closed
Registered: Oct 2012
Posts: 336 |
I would love to find a good application for some of the more obscure UOCs.
I am now trying to figure out if UOCs such as SLO and SRE can be useful in some kind of parallax scrolling effect.
For example a border sprite scroller where text is moved over fixed background sprite graphics. |
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Rastah Bar
Account closed
Registered: Oct 2012
Posts: 336 |
Quote: I would love to find a good application for some of the more obscure UOCs.
I am now trying to figure out if UOCs such as SLO and SRE can be useful in some kind of parallax scrolling effect.
For example a border sprite scroller where text is moved over fixed background sprite graphics.
It looks like it works using RLA :-D
Furthermore, with suitably chosen MC sprite and background colors the scrolling may create an interesting color interlacing/mixing effect. |
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Monte Carlos
Registered: Jun 2004
Posts: 364 |
For ideas like this i started that compo!
Great! |
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T.M.R
Account closed
Registered: Dec 2001
Posts: 749 |
Not long before the deadline, i wonder who is waiting for the last minute before entering? =-) |
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