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Forums > C64 Pixeling > koala otpimizing
2007-03-08 02:41
Oswald

Registered: Apr 2002
Posts: 5126
koala otpimizing

Hi Everyone,

I know there's a c64 tool out there that helps with optimizing koala pictures for packing, but no idea what it is called. Anyone knows?:) Timanthes would do the job for me aswell with its nibble swapper tool, but is there a way to load/save a native c64 koala format picture with it ? *.prg doesnt works, what format does it expect to be .prg anyway ?:)
 
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2024-07-16 11:53
Jetboy

Registered: Jul 2006
Posts: 357
Quote: I dealt with it in 64tass, still koala format is not very useful :)

I find it useful enough :) But seriously, how is koala format not useful for you?
2024-07-16 15:01
Fungus

Registered: Sep 2002
Posts: 746
Waste of memory to have to move things around into usable locations.
2024-07-17 01:47
Raistlin

Registered: Mar 2007
Posts: 757
Quote: Waste of memory to have to move things around into usable locations.

When the Koala data is linked, it should be done in 2 or more chunks so that this moving/copying data isn’t needed.
2024-07-17 03:08
Fungus

Registered: Sep 2002
Posts: 746
Yeah I tend to put the color map at $0800, the color memory at $0c00, the bitmap at $2000 and the code at $1000 so all I have to copy is the color memory and the maximum space is available for linking after it.
2024-07-17 04:04
ChristopherJam

Registered: Aug 2004
Posts: 1423
Again, that's a thing you do with your assembler or linker, and it's pretty independent of the container format that editors or converters spit the image out in.

Much less directory clutter to have a single file than two or three, and it's no more work in your assembly source to have three lines that grab chunks of one file than three lines that grab three separate files.

Easier to ensure the color and screen attribs are from the same version as the bitmap, too - can't accidentally update one or two of those without the rest.
2024-07-26 23:31
Monte Carlos

Registered: Jun 2004
Posts: 370
Removing unnecessary information from c64 images is one thing, the memory layout for placing bitmap, screen and colorram the other thing. This thread is mixing up both and it is difficult to follow who talks about what.
2025-06-08 03:40
Sparta

Registered: Feb 2017
Posts: 51
Updated benchmark with the newly released SPOT 1.4 . Koalas packed with Dali.
+---------+------------+---------+--------+----------+------------+
| spot1.4 | spot1.4 -s | spot1.3 | p2p1.8 | p2p1.8bf | p2p1.8best |
+---------+------------+---------+--------+----------+------------+
|    7278 |       7296 |    7332 |   7372 |     7332 |       7324 | Untitled/Floris
|    5122 |       5134 |    5136 |   5190 |     5149 |         bf | Song of the Sunset/Mermaid
|    5950 |       5958 |    5968 |   5998 |     5963 |         bf | Short Circuit/Karen Davies
|    3598 |       3575 |    3618 |   3647 |     3616 |       3589 | Portrait L+D/Sander
|    5055 |       5090 |    5094 |   5080 |     5083 |       5078 | Weee/Mermaid
|    7451 |       7448 |    7497 |   7471 |     7458 |         bf | Deadlock/Robin Levy
|    8027 |       8045 |    8068 |   8097 |     8046 |       8038 | Room with a view/Veto
|    7434 |       7434 |    7445 |   7490 |     7432 |         bf | Vangelis/Talent
|    6738 |       6736 |    6759 |   6739 |     6737 |         bf | Temple of Tears/Hend
|    7819 |       7819 |    7859 |   7848 |     7839 |       7821 | Thanos/JonEgg
|    4760 |       4806 |    4859 |   4849 |     4782 |         bf | Solar-Sonar/Leon
|    5621 |       5641 |    5640 |   5671 |     5613 |         bf | Cisco Heat/Alan Grier
|    6196 |       6208 |    6243 |   6286 |     6228 |         bf | Daylight/Sulevi
|    2829 |       2845 |    2850 |   2884 |     2848 |         bf | Yie Ar Kung Fu/Steve Wahid
|    6696 |       6696 |    6727 |   6721 |     6730 |       6711 | Lee/The Sarge
|    7765 |       7782 |    7837 |   7828 |     7798 |         bf | Parrot/Mirage
|    4474 |       4476 |    4559 |   4536 |     4494 |         bf | Dragon's Lair
|    4250 |       4260 |    4275 |   4324 |     4292 |       4284 | Scorpion/SIR'88
|    5506 |       5522 |    5562 |   5558 |     5506 |         bf | Hatching/Joe
+---------+------------+---------+--------+----------+------------+
|  112569 |     112771 |  113328 | 113589 |   112946 |     112853 | Total
+---------+------------+---------+--------+----------+------------+
|     --- |        202 |     759 |   1020 |      377 |        284 | Delta
+---------+------------+---------+--------+----------+------------+
2025-06-08 05:03
Fungus

Registered: Sep 2002
Posts: 746
Please include results for exomizer.
2025-06-08 05:46
Sparta

Registered: Feb 2017
Posts: 51
Same Koalas exomized after SPOT 1.4 and P2P 1.12 with brute-force mode. I couldn't test hand-picked colors with P2P.
+---------+------------+-----------+
| spot1.4 | spot1.4 -s | p2p1.12bf |
+---------+------------+-----------+
|    7185 |       7200 |      7237 | Untitled/Floris
|    5014 |       5013 |      5038 | Song of the Sunset/Mermaid
|    5953 |       5958 |      5981 | Short Circuit/Karen Davies
|    3577 |       3564 |      3591 | Portrait L+D/Sander
|    5092 |       5161 |      5139 | Weee/Mermaid
|    7271 |       7282 |      7276 | Deadlock/Robin Levy
|    7973 |       7980 |      8014 | Room with a view/Veto
|    7421 |       7421 |      7424 | Vangelis/Talent
|    6530 |       6536 |      6548 | Temple of Tears/Hend
|    7565 |       7565 |      7610 | Thanos/JonEgg
|    4665 |       4682 |      4681 | Solar-Sonar/Leon
|    5467 |       5518 |      5477 | Cisco Heat/Alan Grier
|    5988 |       5993 |      6010 | Daylight/Sulevi
|    2775 |       2775 |      2778 | Yie Ar Kung Fu/Steve Wahid
|    6649 |       6649 |      6653 | Lee/The Sarge
|    7623 |       7642 |      7646 | Parrot/Mirage
|    4366 |       4363 |      4389 | Dragon's Lair
|    4147 |       4138 |      4182 | Scorpion/SIR'88
|    5491 |       5493 |      5474 | Hatching/Joe
+---------+------------+-----------+
|  110752 |     110933 |    111148 | Total
+---------+------------+-----------+
|     --- |        181 |       396 | Delta
+---------+------------+-----------+
2025-06-08 10:32
Fungus

Registered: Sep 2002
Posts: 746
Thank you! :)
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