~-------
~
945423-9701
COMPUTER MEMORY WORD
•
•
SELECTB-(CRU PORT SELECT
FOR VDT 1)
•
CRT CONTROLLER
CRU BITS
''-------'"''10
11
DISPLAY MEMORY WRITE DATA O/TEST MODE SELECT 0
•
•
1/
!
2
2/
12
13
14
3/TEST MODE SELECT 3
4
15
5
16
DISPLAY MEMORY WRITE DATA 6
17
H;GH INTENSITY=O ;LOW INTENSITY=I*
18
WRITE DATA STROBE
19
TEST MODE
1 A
CURSOR MOVE (OF INCREM ENT; 1 cDECREM ENT)
1 B
BLINKING CURSOR ENABLE
•
1 C
KEYBOARD INTERRUPT ENABLE
10
DUAL INTENSITY (HI/LO INTENSITY; ENABLE
1 E
DISPLAY ENABLE
I'---------------------+--~
1 F
SELECT WORD 0 =0; SELECT WORD 1·,1
SELECTB-(CRU PORT SELECT
FOR VDT 1)
L----t~
10
CURSOR ADDRESS LSB
•
•
11
12
13
14
IS
16
17
18
19
1 A
CURSOR ADDRESS MSB
1 B
NOT USED
•
1 C
DISPLAY CURSOR
10
KEYBOARD ACKNOWLEDGE STROBE
1 E
BEEP ENABLE STROBE
'--------------------------+ilF
SELECT WORD 0=0; SELECT WORD 1=1
* JAPANESE KATAKANA MODEL
ALPHANUMERIC MODE=O; KATAKANA MODE=1
(A)
134320A
Figure 3-5. Computer Output Bit Assignments for
Terminal 1
3-8
Digital Systems Division