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DEC VT220 - Page 209

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ICR ADDRESS
£l7F4H(RD)
07
06
05 03
02
01
00
DelTA
DELTA
DELTA
DELTA
IP3
IP2
IPI
IPO
IP3
IPi
IP1
IPO
BIT VALUES
NO
CHANGE
OF
STATE
DETECTED
AT IP3
CHANGE
OF
STATE
DETECTED
AT
IP3
NO
CHANGE
OF
STATE
DETECTED
AT
IP2
CHANGE
OF
STATE
DETECTED
AT
IP2
NO
CHANGE
OF
STATE DETECTED AT
IP1
CHANGE
OF
STATE
DETECTED
AT
IPI
NO
CHANGE
OF
STATE
DETECTED
AT
iPO
CHANGE
OF
STATE
DETECTED
AT
IPO
CURRENT
STATE
OF
IP3 ITVS)
CURRENT
STATE
OF
IP2
(SPO
INDI
CURRENT
STATE
OF
IPI IDSR)
CURRENT
STATE
OF
IPO
leTSi
...
-------------------l~~(BADO
HI
IBAD7
H)"
I
BIT 7
0
1
BiT
6
0
1
I
BIT 5
0
1
I
BiT 4
0
BIT 3
Oil
I
BIT 2
011
BiT i
0/1
BiT 0
on
Figure
C-7
2681
DUART:
Input
Change
Reg
i
ster
(ICR)
C-6

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