ete value; every
time the register is written to, an internal pointer alternates between
changing the high and low bytes.&nbsp; The first time you write to the
register, the low byte will be changed.&nbsp; There are 11 bits for the
offset; when these bits are set to 0, you will see tile map location 0
on the left/top of the screen.&nbsp; The offset is a pixel value, so adding
one will scroll the screen right by one pixel.&nbsp; When the screen is
scrolled right (or down) from 0, the rightmost (or bottommost