Sensoray 614 Caption Overlay User Manual
Page 14
RAM Window-#1, Attributes:
e00 h – e3f h
RAM Window-#2, Attributes:
e40 h – e7f h
Attribute Formation:
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R/W
Transp
Y2
Y1
Y0
U2
U1
U0
V2
V1
V0
BbCh5
BbCh4
BbCh3
BbCh2
BbCh1
BbCh0
DEFAULT
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Transp is for indicating if the caption/overlay is transparent:
0 – transparent,
1 – non transparent, with black background
Y[2:0] is the color index for the Y component of the caption/overlay bitmap-block or character font’s color:
0 – black, 1 – white, 2 – red, 3 – blue, 4 – green, 5 – yellow, 6 – Magenta, 7 – Cyan
U[2:0] is the color index for the U component of the caption/overlay bitmap-block or character font’s color:
0 – black, 1 – white, 2 – red, 3 – blue, 4 – green, 5 – yellow, 6 – Magenta, 7 – Cyan
V[2:0] is the color index for the V component of the caption/overlay bitmap-block or character font’s color:
0 – black, 1 – white, 2 – red, 3 – blue, 4 – green, 5 – yellow, 6 – Magenta, 7 – Cyan
BbCh[5:0] is for choosing which bitmap-block or character font stored in the bitmap-block RAM:
i.e.
BbCh[5:0] = 0:
choose Bitmap-block or Char #0, stored/started at c00 h
BbCh[5:0] = 1:
choose Bitmap-block or Char #1, stored/started at c08 h
:
:
BbCh[5:0] = 62:
choose Bitmap-block or Char #62, stored/started at df0 h
BbCh[5:0] = 63:
choose Bitmap-block or Char #63, stored/started at df8 h