AGM2412A SERIES GRAPHIC MODULE
11.0 DISPLAY CONTROL INSTRUCTION
VER1.0
The display control instructions control the internal state of the T6963c.
Control State
CD
Code
RD WR D7 D6 D5 D4 D3 D2 D1 D0
COMMAND
DESCRIPTION
N2 N1 N0
REGISTERS
SETTIBG
0
0
1
0
1
0
1 Set Cursor Pointer
0 Set Offset Register
0 Set address Pointer
1
1
1
0
0
0
0
1
0
0
N2 N1 N0
N1 N0
SET
CONTROL
WORD
0
1
2
1
0 Set Text Home Address
1 Set Text Area
0 Set Graphic Home Address
1 Set Graphic Area
1
1
0
1
0
0
0
0
N1 N0
CG=0: Internal CG ROM Mode
CG=1: Internal CG ROM Mode
N2 N1 N0 Graphic & Text
0
0
0
1
N3=0: Display Off
N3=1: Display On
N2=0:Text Off
C
G
MODE SET
1
1
0
0
1
1
0
0
0
0
0
1
N2 N1 N0
0
0
1
0
0 OR Mode
1 Exor Mode
1 And Mode
0 Text Attribute Mode
DISPLAY
MODE
N2=1: Text On
1
N3 N2 N1 N0
N1=0: Cursor Off
N1=1: Cursor On
N0=0: Blink Off
N0=1: Blink On
N2,N1,N0 Line Number of Cursor
N2 N1 N0
CURSOR
PATTERN
SELECT
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
0
N2 N1 N0
0
0
0 1-Line Cursor (Bottom
Line)
1
1
1 8-Line Cursor (8x8Dots)
N1 N0
DATA AUTO
READ/WRITE
0
0
1
0 Data Auto Write
1 Data Auto Read
* Auto Reset
0
N1 N0
N2=0: ADP Variable
N2=1: ADP Nonvariable
N1=0: Increment ADP
N1 =1: Decrement ADP
N0=0: Data Write
DATA
READ/WRITE
1
1
0
1
1
0
0
0
N2 N1 N0
N0=1: Data Read
SCREEN
PEEK
SCREEN
COPY
1
1
1
1
0
0
1
1
1
1
1
1
0
0
0
1
0
0
0
0
0
0
Screan Peek
Screen Copy
N3=0: Bit Reset
N3=1: Bit Set
N2, N1, N0 Bit Address
000-D0, 111-D7
BIT
SET/RESET
1
1
0
1
1
1
1
N3 N2 N1 N0
Writes data DB0~DB7 into display
data RAM. After writing instruction
Reads data DB0~DB7 from
DATA WRITE
DATA READ
0
0
1
0
0
1
Write Data
Read Data
display data RAM to the data bus.
AZDISPLAYS [ AZ DISPLAYS ]
