can location (Db/R)</FONT></B>
<PRE>For each of the registers:
-------l llllllll&nbsp; l: scanline number ($213C) or horizontal position ($213D)
* vertical range is 0 to 261, 0=top of screen (values over 0-223/0-238 are in the vblank)
* horizontal range is from 0 to 339, 0=far-left of screen.</PRE>
This register tells where exactly on the screen the SNES is sending data
to the TV. For the horizontal counter, apparently, zSNES always alternates
between sending a strange value (most often 8) and 1, respective