 the reserved 65816 address
space between $2000 and $5FFF) which set certain screen parameters.

<P>The main data area is the VRAM, a 64 KB memory space that can be accessed
with registers <A HREF="#Reg2115">$2115</A>, $<A HREF="#Reg2116">2116</A>,
$<A HREF="#Reg2118">2118</A>, and $<A HREF="#Reg2139">2139</A>.&nbsp; This
area is used for storing all the tiles used in your game, as well as the
tile maps.

<P>The second data area, the OAM, is used to store properties of the sprites.
It includes information a