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External Field Definitions, 1403
~ode
(EXT
to CPQ)
0000
Unassigned
0001
Unassigned
Storage Protect 0 (S'IPO)
~DM
4-41
0010
0
S'IPO tit 0 CQO)
1
STPO bit 1 (Ql)
2
STPO tit 2 (Q2)
3
STPO tit 3 (Q3)
4
STPO bit 4 (Q4)
5
STPO tit 5 (QS)
6
STPO bit 6 (Q6)
7
STPO tit
7
< C7>
Storage Protect
1
(STPl)
MDM 4-41
0011
0
STPl tit 0
1
STPl bit 1
2
STPl l::it 2
3
STP1 bit
3
4
S'IPl tit 4
5
STPl bit
5
6
S'IP1 bit 6
7
STP1 tit
7
Dynamic Ccnditicn Register (DYN)
MDM 4-40
0100• 0
1
2
3
4
5
6
7
X=O
Storage wrap latch
OVFL (overflow>
Adder carry
Net hold in (Dir Ctl feat)
Check disable switch
DYN Reg tit 6 (HZ=O)
DYN Reg bit 7 (LZ=O)
status Register < s
>
MOM 4-16
0101* 0
so
True/Compl latch
1
Sl Z=nonzero (all arith ops)
2
S2 Z=nonzero (log. dee.
&
ops>
3
S3 ALU 0-l::it carry
4
S4 Invalid decimal digit
5
SS (general purpose)
6
S6 Not execute
7
S7 exceptional condition
1-52 (7/69)
bin
MMSK Register. Bits 0-7 (MMSK)
MDM 4-15
0110* 0
MMSKO Channel high trap
1
MMSKl 2311 disk control trap
2
~MSK2
Channel lcw trap
3
MMSK3 2540 reader trap
4
MMSK4 2540 punch trap
5
MMSK5 Comm chan tit service
6
MMSK6 Corrm chan char service
7
MMSK7 Level 1 priority hold
Branch Conditions (BA)
MDM 4-40
0111* 0
Chnl O interruption latch
1
Mode bit 0
2
Mode l:it 1
3
Mode bit 2
4
IPL latch
5
LS zone tit 0
6
LS zone bit 1
7
LS
zone tit 2
1000
Unassigned
1001
Unassigned
1403 PLBAR Data In (PRT)
MOM 4-207
1010
0
PLBAR 128
1
PL BAR 64
2
PLBAR 32
3
PL BAR 16
4
PL BAR
8
5
PLBAR 4
6
PL BAR 2
7
PLBAR 1
14 03 PIB Data In (PRI)
MDM 4-208
1011
0
PLB 128
1
PLB 64
2
PlB 32
3
PLB 16
4
PLB 8
5
PLB 4
6
PLB 2
7
PLB 1
1100• Unassigned
1101* unassigned
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