s
3 to 6, all four pixels will be clipped rather than just pixels 4 and 5.&nbsp;
If clipping is out, however, clipping will be from pixels 0 to 2 and 7
to 255 inclusive.

<P><A NAME="Reg212A"></A><B><FONT FACE="Lucida Console">Register $212A
and $212B: Mask Logic settings (2*1B/W)</FONT></B>

<P><TT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
Parameters for:</TT>
<BR><TT>$212A&nbsp; 44332211&nbsp; 4: BG4&nbsp; 3: BG3&nbsp; 2: BG2&nbsp;
1: BG1</TT>
<BR><TT