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226 lines
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<title>Book Goals and Style - Rust GBA Guide</title>
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<ol class="chapter"><li><a href="../00-introduction/00-index.html"><strong aria-hidden="true">1.</strong> Introduction</a></li><li><ol class="section"><li><a href="../00-introduction/01-requirements.html"><strong aria-hidden="true">1.1.</strong> Reader Requirements</a></li><li><a href="../00-introduction/02-goals_and_style.html" class="active"><strong aria-hidden="true">1.2.</strong> Book Goals and Style</a></li><li><a href="../00-introduction/03-development-setup.html"><strong aria-hidden="true">1.3.</strong> Development Setup</a></li><li><a href="../00-introduction/04-hello-magic.html"><strong aria-hidden="true">1.4.</strong> Hello, Magic</a></li><li><a href="../00-introduction/05-newtype.html"><strong aria-hidden="true">1.5.</strong> Newtype</a></li><li><a href="../00-introduction/06-help_and_resources.html"><strong aria-hidden="true">1.6.</strong> Help and Resources</a></li></ol></li><li><a href="../01-limitations/00-index.html"><strong aria-hidden="true">2.</strong> Limitations</a></li><li><ol class="section"><li><a href="../01-limitations/01-no_floats.html"><strong aria-hidden="true">2.1.</strong> No Floats</a></li><li><a href="../01-limitations/02-core_only.html"><strong aria-hidden="true">2.2.</strong> Core Only</a></li><li><a href="../01-limitations/03-volatile_destination.html"><strong aria-hidden="true">2.3.</strong> Volatile Destination</a></li></ol></li><li><a href="../02-concepts/00-index.html"><strong aria-hidden="true">3.</strong> Concepts</a></li><li><ol class="section"><li><a href="../02-concepts/01-cpu.html"><strong aria-hidden="true">3.1.</strong> CPU</a></li><li><a href="../02-concepts/02-bios.html"><strong aria-hidden="true">3.2.</strong> BIOS</a></li><li><a href="../02-concepts/03-wram.html"><strong aria-hidden="true">3.3.</strong> Work RAM</a></li><li><a href="../02-concepts/04-io-registers.html"><strong aria-hidden="true">3.4.</strong> IO Registers</a></li><li><a href="../02-concepts/05-palram.html"><strong aria-hidden="true">3.5.</strong> Palette RAM</a></li><li><a href="../02-concepts/06-vram.html"><strong aria-hidden="true">3.6.</strong> Video RAM</a></li><li><a href="../02-concepts/07-oam.html"><strong aria-hidden="true">3.7.</strong> Object Attribute Memory</a></li><li><a href="../02-concepts/08-rom.html"><strong aria-hidden="true">3.8.</strong> Game Pak ROM / Flash ROM</a></li><li><a href="../02-concepts/09-sram.html"><strong aria-hidden="true">3.9.</strong> Save RAM</a></li></ol></li><li><a href="../03-video/00-index.html"><strong aria-hidden="true">4.</strong> Video</a></li><li><ol class="section"><li><a href="../03-video/01-rgb15.html"><strong aria-hidden="true">4.1.</strong> RBG15 Color</a></li><li><a href="../03-video/TODO.html"><strong aria-hidden="true">4.2.</strong> TODO</a></li></ol></li><li><a href="../04-non-video/00-index.html"><strong aria-hidden="true">5.</strong> Non-Video</a></li><li><ol class="section"><li><a href="../04-non-video/01-buttons.html"><strong aria-hidden="true">5.1.</strong> Buttons</a></li><li><a href="../04-non-video/02-timers.html"><strong aria-hidden="true">5.2.</strong> Timers</a></li><li><a href="../04-non-video/03-dma.html"><strong aria-hidden="true">5.3.</strong> Direct Memory Access</a></li><li><a href="../04-non-video/04-sound.html"><strong aria-hidden="true">5.4.</strong> Sound</a></li><li><a href="../04-non-video/05-interrupts.html"><strong aria-hidden="true">5.5.</strong> Interrupts</a></li><li><a href="../04-non-video/06-network.html"><strong aria-hidden="true">5.6.</strong> Network</a></li><li><a href="../04-non-video/07-game_pak.html"><strong aria-hidden="true">5.7.</strong> Game Pak</a></li></ol></li><li><a href="../05-examples/00-index.html"><strong aria-hidden="true">6.</strong> Examples</a></li><li><ol class="section"><li><a href="../05-examples/01-hello_magic.html"><strong aria-hidden="true">6.1.</strong> hello_magic</a></li><li><a href="../05-examples/02-hello_world.html"><strong aria-hidden="true">6.2.</strong> hello_world</a></li><li><a href="../05-examples/03-light_cycle.html"><strong aria-hidden="true">6.3.</strong> light_cycle</a></li><li><a href="../05-examples/04-bg_demo.html"><strong aria-hidden="true">6.4.</strong> bg_demo</a></li></ol></li></ol>
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<h1 class="menu-title">Rust GBA Guide</h1>
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<main>
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<a class="header" href="#book-goals-and-style" id="book-goals-and-style"><h1>Book Goals and Style</h1></a>
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<p>So, what's this book actually gonna teach you?</p>
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<p>I'm <em>not</em> gonna tell you how to use a crate that already exists.</p>
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<p>Don't get me wrong, there <em>is</em> a <a href="https://crates.io/crates/gba">gba</a> crate, and
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it's on crates.io and all that jazz.</p>
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<p>However, unlike most crates that come with a tutorial book, I don't want to just
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teach you how to use the crate. What I want is to teach you what you need to
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know so that you could build the crate yourself, from scratch, if it didn't
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already exist for you. Let's call it the <a href="https://handmadehero.org/">Handmade
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Hero</a> school of design. Much more than you might find
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in other Rust crate books, I'll be attempting to show a lot of the <em>why</em> in
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addition to just the <em>how</em>. Once you know how to do it all on your own, you can
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decide for yourself if the <code>gba</code> crate does it well, or if you think you can
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come up with something that suits your needs better.</p>
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<p>Overall the book is sorted for easy review once you're trying to program
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something, and the GBA has a few interconnected concepts, so some parts of the
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book end up having to refer you to portions that you haven't read yet. The
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chapters and sections are sorted so that <em>minimal</em> future references are
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required, but it's unavoidable.</p>
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<p>The actual "tutorial order" of the book is the
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<a href="../05-examples/00-index.html">Examples</a> chapter. Each section of that chapter
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breaks down one of the provided examples in the <a href="https://github.com/rust-console/gba/tree/master/examples">examples
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directory</a> of the
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repository. We go over what sections of the book you'll need to have read for
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the example code to make sense, and also how we apply the general concepts
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described in the book to the specific example cases.</p>
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