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Revision 1.1
-8-
2001/8/21
MTV038
(Revision 1.1)
MYSON
TECHNOLOGY
FIGURE 5. Attribute Bytes of Display Registers Memory Map
ADDRESS BYTES:
Address registers,
CRADDR - Define ROM character address from address 0 to 511.
Row Control Registers, (Row 0 - 14)
BOX - Select BGR, BGG, BGB or B2, B1, B0 of attributes bytes to the respective row.
= 0
-> Background color bits BGR, BGG, BGB are selected.
= 1
-> Button box bits B2, B1, B0 are selected.
BGINT - The displayed character/symbol background color intensity control to the respective row. Setting this
bit to 0 means low intensity in this row. 16 character background color is achievable by this bit.
FGINT - The displayed character/symbol foreground color intensity control to the respective row. Setting this
bit to 0 means low intensity in this row. 16 character foreground color is achievable by this bit.
CHS - Define double height character to the respective row.
CWS - Define double width character to the respective row.
ROW #
COLUMN #
0 1
28 29
30
31
0
1
13
14
CHARACTER ATTRIBUTE BYTES
of DISPLAY REGISTERS
RESERVED
ROW 15
COLUMN#
0
11
12
22
23
31
WINDOW1 ~ WINDOW4
FRAME CRTL REG
RESERVED
ROW 16
COLUMN#
0
1
2
4
5
31
WINDOW SHADOW COLOR
FRAME CRTL REG
RESERVED
b8
b7
b6
b5
b4
b3
b2
b1
b0
CRADDR
MSB
LSB
COLN 30
b7
b6
b5
b4
b3
b2
b1
b0
-
-
-
BOX
BGINT
FGINT
CHS
CWS