M37221M6_03 Datasheet, PDF (39/62 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

MITSUBISHI MICROCOMPUTERS
M37221M6-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
Table 10. Character code list (partially abbreviated)
Character code
0016
0116
0216
0316
:
Character data storage address
Left 8 dots lines
Right 4 dots lines
1000016
to
1000F16
1080016
to
1080F16
1001016
to
1001F16
1081016
to
1081F16
1002016
to
1002F16
1082016
to
1082F16
1003016
to
1003F16
1083016
to
1083F16
:
:
7E16
7F16
8016
8116
:
107E016
to
107EF16
107F016
to
107FF16
1100016
to
1100F16
1101016
to
1101F16
:
10FE016
to
10FEF16
10FF016
to
10FFF16
1180016
to
1180F16
1181016
to
1181F16
:
FD16
FE16
FF16
117D016
to
117DF16
117E016
to
117EF16
117F016
to
117FF16
11FD016
to
11FDF16
11FE016
to
11FEF16
11FF016
to
11FFF16
 RAM for display (addresses 060016 to 06B716)
The CRT display RAM is allocated at addresses 060016 to 06B716,
and is divided into a display character code specification part and
display color specification part for each block. Table 11 shows the
contents of the CRT display RAM.
For example, to display 1 character position (the left edge) in block
1, write the character code in address 060016 and write the color
register No. to the low-order 2 bits (bits 0 and 1) in address 068016.
The color register No. to be written here is one of the 4 color regis-
ters in which the color to be displayed is set in advance. For details
on color registers, refer to (5) Color Registers. The structure of the
CRT display RAM is shown in Figure 41.
Table 11. Contents of CRT display RAM
Block
Block 1
Display position (from left)
1st character
2nd character
3rd character
:
22nd character
23rd character
24th character
Not used
Block 2
1st character
2nd character
3rd character
:
22nd character
23rd character
24th character
Character code specification
060016
060116
060216
:
061516
061616
061716
061816
to
061F16
062016
062116
062216
:
063516
063616
063716
Color specification
068016
068116
068216
:
069516
069616
069716
069816
to
069F16
06A016
06A116
06A216
:
06B516
06B616
06B716
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