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Page 44
REG[8Ch] Sub-Window X End Position Register 0
Bit 7
Bit 6
REG[8Dh] Sub-Window X End Position Register 1
n/a
n/a
S1D13706
X31B-G-003-03
Bit 5
Bit 4
n/a
These bits determine the X end position of the sub-window in relation to the origin of the
panel. Due to the S1D13706 SwivelView feature, the X end position may not be a
horizontal position value (only true in 0° and 180° SwivelView). For further information
on defining the value of the X End Position register, see Section 8.3, "Picture-In-Picture-
Plus Examples" on page 48.
The register is also incremented differently based on the SwivelView orientation. For 0°
and 180° SwivelView the X end position is incremented by X pixels where X is relative to
the current color depth.
Table 8-3: 32-bit Address Increments for Color Depth
Bits-Per-Pixel (Color Depth)
For 90° and 270° SwivelView the X end position is incremented in 1 line increments.
In SwivelView 0°, these registers set the horizontal coordinates (x) of the sub-windows's
bottom right corner. Increasing values of x move the bottom right corner towards the right
in steps of 32 ÷ bits-per-pixel (see Table 8-3: ).
Program the Sub-Window X End Position registers so that
sub-window X end position registers = x ÷ (32 ÷ bits-per-pixel) - 1
Note
x must be a multiple of 32 ÷ bits-per-pixel.
In SwivelView 90°, these registers set the vertical coordinates (y) of the sub-window's
bottom left corner. Increasing values of y move the bottom left corner downward in steps
of 1 line.
Program the Sub-Window X End Position registers so that
sub-window X end position registers = y - 1
Bit 3
n/a
n/a
1 bpp
2 bpp
4 bpp
8 bpp
16 bpp
Epson Research and Development
Vancouver Design Center
Bit 2
Bit 1
n/a
Bit 9
Pixel Increment (X)
32
16
8
4
2
Programming Notes and Examples
Issue Date: 01/02/23
Bit 0
Bit 8
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