t-:l
01
c,.::
Hexc:decimo
APPENDIX
I
SCRATCH-PAD
MEMORY
LAYOUT
AND
REGISTER
ASSIGNMENTS
I
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1
I
GENERAL
GENERAL
GENERAL
GENERAL
INTERRUPT
INTERRUPT
PURPOSE
PURPOSE
PURPOSE
PURPOSE
MASK
STATUS
PROCESSOR
UTILITY
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
....
I I I
NO.8
NO.9
1'10.10
1'10.11
P4
P4
P4
P4
P4 P4
o 1
I I I
.--1/0
CHANNEL
REGISTERS - MUL
TlPLEXOR
~
14---
1/0
CHANNEL
REGISTERS -
SELECTOR
NO.
1
~
~
P:~~L~~~OR
~
..
PROCESSOR
..
CHANNEL
CHANNEL
CHANNEL
STATUS
UTILITY
CHANNEL
CHANNEL
CHANN
EL
ASSEMBLY
I
ADDRESS COMMAND COMMAND
REGISTER ADDRESS COMMAND
COMMAND STATUS
REGISTER REGISTER
II
REGISTER I
REGISTER
REGISTER
II
REGISTER I
REGISTER
2 3
GENERAL
GENERAL GENERAL
INTERRUPT
INTERRUPT
INTERRUPT
INTERRUPT
GENERAL
INTERRUPT
INTERRUPT
MA~K
STATI;S
PROGRAM
INTERRUPT
MASK
STATUS
PROGRAM
PURPOSE
MASK
STATUS
PROGRAM
PURPOSE
PUR
POSE
PURPDSE
REGISTER
REGISTER
COUNTER
FLAG
REGISTER
REGISTER
COUNTER
REGISTER
REGISTER
REGISTER
COUNTER
REGISTER REGISTER
REGISTER
PI
PI
PI
REGISTER
P2
P2
P2
NO.7
P3 P3
P3
1'10.11 1'10.12 1'10.13
P3 P3
P3 P3
4 5
4---
1/0
CHANNEL
REGISTERS - SELECTOR
NO.
2
------.
PROCESSOR
f4----
I/O
CHANNEL
REGISTERS -
SELECTO~
NO.
3
--.
~P~~~ct;~R
---+
~CBA
..
CHANNEL
CHANNEL
CHANNEL
ASSEMBLY
'"
UTILITY
~
CHANNEL
CHANNEL CHANNEL
ASSEMBLY
ADDRESS COMMAND COMMAND
STATUS
ADDRESS
COMMAND COMMAND STATUS
REGISTER REGISTER
II
REGISTER I REGISTER REGISTER REGISTER
II
REGISTER I
REGISTER
6 7
GENERAL
GENERAL
GENERAL
GENERAL
GENERAL GENERAL
GENERAL GENERAL
GENERAL
GENERAL
GENERAL
GEN
ER
AL
GENERAL
GENERAL
PURPOSE PURPOSE
PUR
POSE
PURPOSE PURPOSE
PURPOSE PURPOSE PURPOSE PURPOSE PURPOSE PURPOSE
PUR
POSE
PURPOSE
PURPOSE
REGISTER REGISTER REGISTER REGISTER
REGISTER REGISTER REGISTER REGISTER REGISTER REGISTER REGISTER REGISTER
REGISTER REGISTER
1'10.0
NO.1
NO.2
NO.3
NO.4
NO.5
NO.6
NO.7
NO.8 NO.9
1'10.10 1'10.11
1'10.12 1'10.11
P2
P2
P2
P2 P2 P2
P2 P2
P2
P2
P2 P2 P2
P2
8 9
4--
I/O
CHANNEL
REGISTERS - SELECTOR NO. 4
___
~
P~~~~~~OR
___
CHANNEL
CHANNEL
CHANNEL
ASSEMBLY
+-CBA
.....
PROCESSOR
ADDRESS
COMMAND COMMAND
STATUS
......
UTILITY
REGISTER REGISTER
II
REGISTER I
REGISTER
A
B
GENERAL GENERAL
GENERAL
GENERAL
GENERAL
GENERAL
GENERAL GENERAL
GENERAL
GENERAL
GENERAL
GENERAL
GENERAL
GENERAL
PURPOSE PURPOSE
PURPOSE
PURPOSE PURPOSE PURPOSE
PURPOSE PURPOSE PURPOSE PURPOSE PURPOSE
PURPOSE PURPOSE
PURPOSE
REGISTER REGISTER
REGISTER
REGISTER
REGISTER
REGISTER
REGISTER REGISTER REGISTER REGISTER REGISTER
REGISTER REGISTER
REGISTER
1'10.0
NO.1
NO.
2
NO.3
NO.4
NO.
5
NO.6
NO.7
NO.8
NO.9
1'10.10
1'10.11
1'10.12
1'10.13
PI
P1
P1
P1
PI PI PI
P1
PI
P1
PI
PI
PI
PI
C D
FLOA
TlNG·POIN T
FLOATING·POINT
FLOATlNG·POINT
FLOATlNG·POINT
..
PROCESSOR
REGISTER 1'10.0
REGISTER NO.
2 REGISTER NO. 4
REGISTER
NO.6
UTILITY
I I I I
E F
1 1 I I 1
Word
Address
is
in
Hexadecimal;
e.g.,
2.4 Program
Counter
Pl.
GENERAL
PROGRAM
PURPOSE
COUNTER
REGISTER
P4
NO.
IS
(WEIGHT)
P4
PROCESSOR
4-
CBA___.
I+-UTILITY-Jo
GENERAL
GENERAL
PURPOSE
PURPOSE
REGISTER
REGISTER
1'10.15
1'10.14
(WEIGHT)
P3
P3
1
PROCESSOR
+--CBA--.
f4--
UTILITY
~
GENERAL
GENERAL
PURPOSE
PURPOSE
REGISTER
REGISTER
1'10.14
1'10.15
P2
P2
.,
GENERAL
GENERAL
PURPOSE PURPOSE
REGISTER
REGISTER
1'10.14 1'10.15
P1
PI
..
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