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Monte Carlos
Registered: Jun 2004
Posts: 351 |
Most d020/d021 raster splits
I just recognized that the record list on codebase
contains no entry on the topic.
https://codebase.c64.org/doku.php?id=base:demo_world_records_an..
Any recommends?
I know this was a hot topic until the first fli splits came out. |
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chatGPZ
Registered: Dec 2001
Posts: 11147 |
You'll quickly end up in a debate on what kind of routine would still qualify :) Besides that, not a very interesting figure, the limits can be calculated easily afterall. |
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Krill
Registered: Apr 2002
Posts: 2854 |
Quoting chatGPZYou'll quickly end up in a debate on what kind of routine would still qualify :) And whether "record" databases are sensible in the first place. =) |
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Oswald
Registered: Apr 2002
Posts: 5028 |
I remember a demo showing it in 160x res :) |
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Monte Carlos
Registered: Jun 2004
Posts: 351 |
Yeah ok. Didn't want to start a debate. Just recapitulating. |
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ws
Registered: Apr 2012
Posts: 229 |
The Fight
this one claims 17 in d021, although it is a repeating pattern, which should be the max. add like another possible 6 in d020 and that should be it, albeit without looking too good or too much flexibility. |
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Krill
Registered: Apr 2002
Posts: 2854 |
Quoting ws The Fight
this one claims 17 in d021, although it is a repeating pattern, which should be the max. add like another possible 6 in d020 and that should be it, albeit without looking too good or too much flexibility. What are you basing your math on?
Within the confines of 63 cycles, i see no more than 15 splits at 4 cycles each. |
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ws
Registered: Apr 2012
Posts: 229 |
It is not my math. It is what they did. They just used a repeating pattern of STA STX STY. Thats why "without looking too good or too much flexibility". And for the rest i just guessed you could extend that to the border and then have one simple fetch. But true: 6 in the border is probably an illusory assumption. |
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ws
Registered: Apr 2012
Posts: 229 |
Ah lol, now i took a screenshot and looked closer. It is offset by 2 cycles. Nice. Never trust your eyes. :-D making a fool of myself again. |
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chatGPZ
Registered: Dec 2001
Posts: 11147 |
Quote:Within the confines of 63 cycles, i see no more than 15 splits at 4 cycles each.
More with RMW instructions. Does that qualify? :) |
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Krill
Registered: Apr 2002
Posts: 2854 |
Quoting chatGPZQuote:Within the confines of 63 cycles, i see no more than 15 splits at 4 cycles each. More with RMW instructions. Does that qualify? :) Mmmhh, with adjacent splits of the same colour, visible only due to the greydot bug? :) |
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