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#umac

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Stylus<p>I went ahead and created a github organization for a fresh fork of micropython, and then made a release. You can get a fresh dsk of this micropython mac port from <a href="https://github.com/m68k-micropython/micropython/releases" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/m68k-micropython/mi</span><span class="invisible">cropython/releases</span></a> and as <span class="h-card" translate="no"><a href="https://oldbytes.space/@smallsco" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>smallsco</span></a></span> noted it works on infinitemac.org</p><p><a href="https://social.afront.org/tags/umac" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>umac</span></a> <a href="https://social.afront.org/tags/microPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>microPython</span></a> <a href="https://social.afront.org/tags/retro68" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retro68</span></a> <a href="https://social.afront.org/tags/macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>macintosh</span></a> <a href="https://social.afront.org/tags/retroComputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retroComputing</span></a></p>
Stylus<p>Darn, I think all the easy parts of the micropython mac m68k port are done.</p><p>unfortunately, vfs_posix doesn't seem to be a good fit. I <u>did</u> manage to create a "file" but couldn't actually write data to it.</p><p>And while it was working in system6 I just tried it again with system7 and it's failing to start at all. boo.</p><p><a href="https://github.com/jepler/circuitpython/blob/ports-m68kmac/ports/m68kmac/README.md#key-todos" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/jepler/circuitpytho</span><span class="invisible">n/blob/ports-m68kmac/ports/m68kmac/README.md#key-todos</span></a></p><p><a href="https://social.afront.org/tags/umac" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>umac</span></a> <a href="https://social.afront.org/tags/micropython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>micropython</span></a> <a href="https://social.afront.org/tags/retro68" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retro68</span></a> <a href="https://social.afront.org/tags/macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>macintosh</span></a> <a href="https://social.afront.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retrocomputing</span></a></p>
Stylus<p>Build updated at <a href="https://emergent.unpythonic.net/files/sandbox/micropython.dsk" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">emergent.unpythonic.net/files/</span><span class="invisible">sandbox/micropython.dsk</span></a></p><p>Almost all of the "full features" support level of micropython are enabled, "mpz" for long integers and "float" for floating point numbers.</p><p>Backspace works in the repl. arrow keys don't.</p><p>A TODO section in the new README lists key items to work on:</p><ul><li>Correctly implement GC collection (stack + registers)</li><li>Add Mac API support (e.g., quickdraw, arbitrary traps)</li><li>Support larger heap</li><li>Address GPL files (RetroConsole), GitHub Actions CI, and other issues that might prevent upstream inclusion.</li></ul><p><a href="https://social.afront.org/tags/umac" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>umac</span></a> <a href="https://social.afront.org/tags/micropython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>micropython</span></a> <a href="https://social.afront.org/tags/retro68" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retro68</span></a> <a href="https://social.afront.org/tags/macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>macintosh</span></a> <a href="https://social.afront.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retrocomputing</span></a></p>
Stylus<p>Micropython on m68k mac? why not! It's reached the point of sorta working.</p><p><a href="https://social.afront.org/tags/umac" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>umac</span></a> <a href="https://social.afront.org/tags/micropython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>micropython</span></a> <a href="https://social.afront.org/tags/retro68" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retro68</span></a> <a href="https://social.afront.org/tags/macintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>macintosh</span></a> <a href="https://social.afront.org/tags/retrocomputing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>retrocomputing</span></a></p>
Stylus<p>I have pico-mac playing the system beep on an i2s dac (though when <span class="h-card" translate="no"><a href="https://mastodon.cloud/@adafruit" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>adafruit</span></a></span> <span class="h-card" translate="no"><a href="https://fosstodon.org/@ladyada" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>ladyada</span></a></span> made a build locally, it didn't work for her, hmmmm, I'll get that sorted tomorrow)</p><p>in the process, I discovered an interesting problem that might be randomly corrputing a certain 740 bytes of RAM when pico-mac or umac is configured for a non-power-of-two memory size! <a href="https://github.com/evansm7/umac/issues/15" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">github.com/evansm7/umac/issues</span><span class="invisible">/15</span></a></p><p>the fix seems to be another rom patch:</p><pre><code> /* Fix up the sound buffer as used by BootBeep */<br> ROM_WR32(0x292, RAM_SIZE - 768);<br></code></pre><p>and is also included in <a href="https://github.com/evansm7/umac/pull/14" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/evansm7/umac/pull/14</span><span class="invisible"></span></a></p><p>you also avoid the problem if you configure pico-mac for 256kB, 512kB, 1024kB, etc.</p><p><a href="https://social.afront.org/tags/marchintosh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>marchintosh</span></a> <a href="https://social.afront.org/tags/picoMac" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>picoMac</span></a> <a href="https://social.afront.org/tags/umac" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>umac</span></a> <a href="https://social.afront.org/tags/rp2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rp2</span></a> <a href="https://social.afront.org/tags/rp2350" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rp2350</span></a></p>