IBM System/370 145 Reference Summary page 125

EXTERNAL ASSIGNMENT CHART
w~•
J\lafu.
00 RTY
01 NO REG
02
OIAG
03
xxxxxxxx
04 SPTL
05 SYS
MCKB
MCKA
08 cPU
09 CFDR
OA ACB
~
SW
QC
SPTL
00
5YS
OE MPX
OF
DOC
10 PSWCTL
CTCAX
12 MISC
"
CTCAY
SPTL
15 SYS SYSO SYS1
SYS2
H REG
16
INTA INTB SER2
SERJ
DC DCBO
OCHl
TSBO
DCHI
1B A BATY
ABRTYO
ABRTY1 ABRTY2 ABRTYJ
SPTLB SRTY PRTY TRTY LATY
lA HMRTY HRT MRTY2
MRTY3
1B
CPUATY
BY DST RTYFLG LS DST
EXTDST
lC SPTL 5 REG P REG T REG L REG
10 SYS
SYSO
SYSl SYS2
H REG
PIR
PIRO PtR1
P\R2
PIR3
1F PtRM PIRMO PIRM2
P1RM3
20
21 GBS FCND
22
23
24
SPTL
1-!i ~.':'.'.§
__ .
FERR
CKCPT
2B GBUF
-29
GBS
2A
GSTAT
2B
GTAG
2C
SPTL
20
SYS
2E
56
5'
60
61
6 3
64
SYS
6 5
36 TODH
6 6
37
67
38
GBUF
70
39
GBS
GSTAT
3B GTAG
7 3
3C SPTL
30 SYS
SYS! SYS2
H REG
75
3E TOOL
TOD LO
TOOL1
TODL2
T0DL3
7 6
3F
77
may not be used as a destination
NOTES: 1. Shaded bytes may not be used as a
destination
2. • - Not flush-through checked
3. x - Roller display
4. Both MCKA and MCKB are set to zero
when MCKA is used as a destination in
a word-move-word with the NOREG
as the source
11.1
27
3 0
"
32
3 3
34
3 5
36
37
l
SX1/IFA
IFA
l
SX4/IFA
l
SX2
l
SX3
Ill