2018-11-15 13:53:21 +11:00
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# Ch 3: Memory and Objects
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2018-11-18 11:14:42 +11:00
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Alright so we can do some basic "movement", but we left a big trail in the video
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memory of where we went. Most of the time that's not what we want at all. If we
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want to draw something over top of our background without trashing the
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background memory that's an "object" (but not in the "Object Oriented" sense).
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You might recall that objects have their own layer that you can enable in the
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display control register.
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Of course, once we're drawing these objects we'll want some scratch space to
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work with them a bit, so we'll finally go over the GBA's full memory layout.
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And since most games are pretty boring without an RNG, we'll cover the kinds of
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RNG that you might want to include in a GBA game.
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Then we'll do something or other that includes moving things and and RNG...
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which is pretty much any game at all.
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