Varian Data 620/i System Reference Manual page 146

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Octal
OP Code
M Field
U
a
00
2
SS3
Table G-6
J ump.and-Mark Instruction Group
U
7
SS2
Table G-6(a)
Instruction Format
A Field
U
6
U
5
U
4
U
3
SSl
X=O
B=O A=O
U
2
A<O
Note: Jump and Mark condition is logical-AND of all a field bits.
A Field
Octal
Mnemonic
000
JMPM
001
J~FM
002
JANM
003
JAPM
010
JAZM
020
JBZM
040
JXZM
100
JS1M
200
JS2M
400
JS3M
Table G-6(b)
Jump-and-Mark Instruction Codes
Jump-and-Mark
Instructions
Jump and Mark Unconditionally
Jump and Mark if Overflow Set
Jump and Mark if A Register Negative
Jump and Mark if A Register Positive
Jump and Mark if A Register Zero
Jump and Mark if B Register Zero
Jump and Mark if X Register Zero
Jump and Mark if Sense Switch 1 On
Jump and Mark if Sense Switch 2 On
Jump and Mark if Sense Switch 3 On
G-7
U
l
U
o
A
2:
0 OF=l
Timing
(Cycles)
3
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)
2 (3 if Jump)

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