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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://piaille.fr/users/colin_mcmillen/statuses/114140068584164521">Colin McMillen (colin_mcmillen@piaille.fr)'s status on Sunday, 16-Mar-2025 22:01:49 JST</a><a href="https://piaille.fr/@colin_mcmillen" title="colin_mcmillen@piaille.fr"><img src="https://gnusocial.jp/avatar/104836-48-20231204185747.webp" width="48" height="48" alt="Colin McMillen" style="position: absolute; left: 0; top: 0;">Colin McMillen</a><div><a href="https://piaille.fr/@colin_mcmillen/114136677250887798" rel="in-reply-to">in reply to</a></div></section><article><p>I was a bit annoyed that I was on track to only be able to fit nine levels on the floppy. I experimented with cc65's included LZ4 decompressor and it works really well. Now I should be able to put 30 to 40 levels on a single floppy!</p><p>Commit: <a href="https://github.com/colinleroy/a2tools/commit/972c56cbfda32fcabaa72437f2b6ff032c871192" rel="nofollow noreferrer">https://github.com/colinleroy/a2tools/commit/972c56cbfda32fcabaa72437f2b6ff032c871192</a></p><p><a href="https://piaille.fr/tags/RetroComputing" rel="tag">#RetroComputing</a> <a href="https://piaille.fr/tags/Apple2" rel="tag">#Apple2</a> <a href="https://piaille.fr/tags/MARCHintosh" rel="tag">#MARCHintosh</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/4740912#notice-9285209">In conversation</a><time datetime="2025-03-16T22:01:49+09:00" title="Sunday, 16-Mar-2025 22:01:49 JST">about 2 months ago</time> <span>from <span><a href="https://piaille.fr/@colin_mcmillen/114140068584164521" rel="external" title="Sent from piaille.fr via ActivityPub">piaille.fr</a></span></span><a href="https://piaille.fr/@colin_mcmillen/114140068584164521">permalink</a><h4>Attachments</h4><ol><li><label><a rel="external" href="https://gnusocial.jp/attachment/4308997">The floppy catalog before LZ4-compressing levels, splash screen and a bit of code. We need 18 blocks per level and there's 51 free, so only two more levels could fit in.</a></label><br><a href="https://static.piaille.fr/media_attachments/files/114/140/059/182/656/517/original/8839953b976a7813.jpeg" rel="external">https://static.piaille.fr/media_attachments/files/114/140/059/182/656/517/original/8839953b976a7813.jpeg</a></li><li><label><a rel="external" href="https://gnusocial.jp/attachment/4308998">After compression, each level takes between 5 and 7 blocks. I now have 152 blocks free, which means 20 to 30 more levels!
The binary is a tiny bit bigger but not enough to even take an extra block.</a></label><br><a href="https://static.piaille.fr/media_attachments/files/114/140/059/996/302/244/original/af7ce6c422f0e8d8.jpeg" rel="external">https://static.piaille.fr/media_attachments/files/114/140/059/996/302/244/original/af7ce6c422f0e8d8.jpeg</a></li><li><article><header><div>Domain not in remote thumbnail source whitelist: opengraph.githubassets.com</div><h5><a href="https://github.com/colinleroy/a2tools/commit/972c56cbfda32fcabaa72437f2b6ff032c871192#RetroComputing">LZ4-compress levels (and splash and lowcode) · colinleroy/a2tools@972c56c</a></h5><div></div></header><div>Level size goes from 8300 bytes to 1500-3000. That will
allow more levels to fit.Factorize buffers to minimize BSS usage.</div><footer></footer></article></li></ol></footer></blockquote>

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Colin McMillen (colin_mcmillen@piaille.fr)'s status on Sunday, 16-Mar-2025 22:01:49 JST Colin McMillen
in reply to
I was a bit annoyed that I was on track to only be able to fit nine levels on the floppy. I experimented with cc65's included LZ4 decompressor and it works really well. Now I should be able to put 30 to 40 levels on a single floppy!
Commit: https://github.com/colinleroy/a2tools/commit/972c56cbfda32fcabaa72437f2b6ff032c871192
#RetroComputing #Apple2 #MARCHintosh
In conversationabout 2 months ago from piaille.frpermalink
Attachments
1. The floppy catalog before LZ4-compressing levels, splash screen and a bit of code. We need 18 blocks per level and there's 51 free, so only two more levels could fit in.
  https://static.piaille.fr/media_attachments/files/114/140/059/182/656/517/original/8839953b976a7813.jpeg
2. After compression, each level takes between 5 and 7 blocks. I now have 152 blocks free, which means 20 to 30 more levels! The binary is a tiny bit bigger but not enough to even take an extra block.
  https://static.piaille.fr/media_attachments/files/114/140/059/996/302/244/original/af7ce6c422f0e8d8.jpeg
3. Domain not in remote thumbnail source whitelist: opengraph.githubassets.com
  LZ4-compress levels (and splash and lowcode) · colinleroy/a2tools@972c56c
  Level size goes from 8300 bytes to 1500-3000. That will allow more levels to fit. Factorize buffers to minimize BSS usage.

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