User`s manual

106
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37281MAH–XXXSP,M37281MFH–XXXSP
M37281MKH–XXXSP,M37281EKSP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.11.42 SPRITE Vertical Position Register 1
Fig. 8.11.43 SPRITE Vertical Position Register 2
b7 b6 b5 b4 b3 b2 b1 b0
SPRITE vertical position register 1 (VS1) [Address 0254
16 ]
B Name Functions
Afte reset
W
SPRITE Vertical Position Register 1
0
Vertical display
start position
control bits of
SPRITE OSD
(VS10 to VS17)
1R
W
1
to
7
0
Vertical display start position (low-order 8 bits)
TH ✕
(setting value of low-order 2 bits of VS2 ✕ 16
2
+ setting value of high-order 4 bits of VS1 ✕ 16
1
+ setting value of low-order 4 bits of VS1 ✕ 16
0
)
Notes 1: Do not set “00 16 ” to the VS1 at VS2 = “00 16 .”
2: T
H is cycle of H SYNC .
3: VS2 is SPRITE vertical position register 2.
R
b7 b6 b5 b4 b3 b2 b1 b0
SPRITE vertical position register 2 (VS2) [Address 0255
16 ]
B Name Functions
After reset
W
SPRITE Vertical Position Register 2
Vertical start
position control
bits of SPRITE
OSD
(VS20, VS21)
0R
W
0, 1
0
Vertical display start position (high-order 2 bits)
T
H ✕
(setting value of low-order 2 bits of VS2 ✕16
2
+ setting value of high-order 4 bits of VS1 ✕16
1
+ setting value of low-order 4 bits of VS1 ✕16
0
)
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0”.
2
to
7
R
—
Notes 1: Do not set “00 16 ” to the VS1 at VS2 = “00 16 .”
2: T
H is cycle of H SYNC .
3: VS1 is SPRITE vertical position register 1.
R