CENTER>

<CENTER><A NAME="GraphicsOrganization"></A><FONT SIZE=+3>The SNES PPU Graphics
Organization</FONT></CENTER>


<P><A NAME="BGBasics"></A><FONT SIZE=+1>Basics of BGs</FONT>

<P>In <A HREF="#PPUMemoryTypes">VRAM</A> there is a two-dimensional array
that is a <A HREF="#Terminology">map</A> of the tiles on the screen. Depending
on the setting of <A HREF="#Reg2107">registers $2107 to $210A</A>, this
map may be 32x32, 32x64, 64x32 or 64x64 tiles in size (see a note in the
register description about the fo