Register ordering, byte-based sizes, OAM additions, general cleanup#4

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avivace merged 12 commits intogbdev:masterfrom

BlitterObjectBob:master

Aug 28, 2020

Commits on Apr 20, 2019

Added offsets for the registers, register ordering, cleanup
BlitterObjectBob
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Commits on Jul 4, 2020

Commits on Aug 5, 2020

Commits on Aug 6, 2020

Commits on Aug 8, 2020

Make the _VRAM equ's consistent with the new base
BlitterObjectBob
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Commits on Aug 27, 2020

Change BOOTUP_B_OTHER to BOOTUP_B_AGB
BlitterObjectBob
committed

Commits on Aug 28, 2020