2125:
Window mask settings #2 (1b/W)</FONT></B>

<P><TT>ccccssss&nbsp; c: Settings for "color windows"&nbsp; s: Settings
for sprite windows</TT>

<P><TT>Both of these sets of four bits are formatted the same as <A HREF="#Reg2123">registers
$2123 and $2124</A>.</TT>

<P>This is like the last set of registers except it is for sprites and
"color windows".&nbsp; I don't know what color windows are; won't someone
explain it?

<P><A NAME="Reg2126"></A><B><FONT FACE="Lucida Console">Register $2126
to $2129: Window