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65
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37272M6/M8–XXXSP/FP, M37272MA–XXXSP
M37272E8SP/FP, M37272EFSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.3
8.11.1 Display Position
The display positions of characters are specified in units called a
“block.” There are 2 blocks, blocks 1 and 2. Up to 32 characters can
be displayed in each block (refer to “8.11.5 Memory for OSD”).
The display position of each block can be set in both horizontal and
vertical directions by software.
The display start position in the horizontal direction can be selected
for all blocks in common from 128-step display positions in units of
4T
OSC (TOSC = OSD oscillation cycle).
The display start position in the vertical direction for each block can
be selected from 512-step display positions in units of 1 T
H ( TH =
H
SYNC cycle).
Blocks are displayed in conformance with the following rules:
• When the display position of block 1 is overlapped with that of block
2 (Figure 8.11.5 (b)), the block 1 is displayed on the front.
• When another block display position appears while one block is
displayed (Figure 8.11.5 (c)), the block with a larger set value as
the vertical display start position is displayed.
Fig. 8.11.5 Display Position
(
H
P
)
V
P
2
B
l
o
c
k
1
B
l
o
c
k
2
(
a
)
E
x
a
m
p
l
e
w
h
e
n
e
a
c
h
b
l
o
c
k
i
s
s
e
p
a
r
a
t
e
d
B
l
o
c
k
1
(
b
)
E
x
a
m
p
l
e
w
h
e
n
b
l
o
c
k
2
o
v
e
r
l
a
p
s
w
i
t
h
b
l
o
c
k
1
(
B
l
o
c
k
2
i
s
n
o
t
d
i
s
p
l
a
y
e
d
)
(
H
P
)
V
P
1
V
P
2
(
c
)
E
x
a
m
p
l
e
w
h
e
n
b
l
o
c
k
2
o
v
e
r
l
a
p
s
i
n
p
r
o
c
e
s
s
o
f
b
l
o
c
k
1
B
l
o
c
k
1
B
l
o
c
k
2
N
o
t
e
:
V
P
1
o
r
V
P
2
i
n
d
i
c
a
t
e
s
t
h
e
v
e
r
t
i
c
a
l
d
i
s
p
l
a
y
s
t
a
r
t
p
o
s
i
t
i
o
n
o
f
d
i
s
p
l
a
y
b
l
o
c
k
1
o
r
2
.
V
P
1
(
H
P
)
V
P
1
=
V
P
2
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