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