Instructions Arranged by Feature
Decim,al .. Feature Instructions
Name Mnemonic Characteristics Code Page
ADD DECIMAL AP 55 C PO A 0 OF 5T FA 149 COMPABE DECIMAL CP 55 C PO A 0 F9 149 DIVIDE DECIMAL DP 55 PO A 5P 0 OK 5T FD 149 EDIT ED 55 C PO A 0 5T DE 150 EDIT A 1\1 0 MARK EDMK 55 C PO A 0 R
5T OF 152
MUL TIPIL Y DECIMAL MP 5S PO A 5P 0 ST FC 153 SHIFT AND ROUND DECIMAL 5RP SS C PO A 0 OF ST FO 153
SUBTRACT DECIMAL 5P 55 C PO A 0 OF ST FB 154 ZERO AND ADD ZAP SS C PO A 0 OF ST F8 155
268 Syst 1 em/370 Principles of Operation

Instructions Arranged by Feature
Floating-Point Feature Instructions
Name
ADD NORMALIZED (long)
ADD NORMALIZED (long) ADD NORMALIZED (short)
ADD NORMALIZED (short)
ADD UNNORMALIZED (long)
ADD UNNORMALIZED (long)
ADD UN NORMALIZED (short) ADD UNNORMALIZED (short) COMPARE (long) COMPARE (long) COMPAR E (short) COMPARE (short) DIVIDE (long) DIVIDE (long) DIVIDE (short) DI VI DE (short)
HALVE (long)
HALVE (short) LOAD (long) LOAD (long) ·LOAD (short) LOAD (short) LOAD AND TEST (long) LOAD AND TEST (short) LOAD COMPLEMENT (long) LOAD COMPLEMENT (short) LOAD NEGATIVE (long) LOAD NEGATIVE (short) LOAD POSITIVE (long) LOAD POSITIVE (short) MULTIPLY (long) MULTIPLY (long) MULTIPLY (short to long) MULTIPLY (short to long) STORE (long) STORE (short) SUBTRACT NORMALIZED (long)
SUBTRACT NORMALIZED (long)
SUBTRACT NORMALIZED (short) SUBTRACT NORMALIZED (shord SUBTRACT UNNORMALIZED (long)
SUBTRACT UNNORMALIZED (long) SUBTRACT UNNORMALIZED (short)
SUBTRACT UN NORMALIZED (short) Mnemonic
ADR
AD
AER
AE
AWR
AW
AUR
AU
CDR
CD
CER
CE
DDR
DD
DER
DE
HDR
HER
LDR
LD
RR C
RX C
RR C
RX C
RR C
RX C
RR C
RX C
RR C
RX C
RR C
RX C
RR
RX
RR
RX
RR
RR
RR
RX
LER RR
LE RX
LTDR RR C
LTER RR C LCD.R RR C
LCER RR C
LNDR RR C
LNER RR C LPDR RR C LPER RR C
MDR
MD
MER
ME
STD
STE
SDR
SD
SER
SE
SWR
SW
SUR
SU
RR
RX
RR
RX
RX
RX
RR C
RX C
RR C
RX C
RR C
RX C
RR C
RX C FP FP A FP FP A FP FP A FP FP A FP FP A FP FP A FP FP A FP FP A FP FP FP FP A FP FP A FP FP FP FP FP FP FP FP FP FP A FP FP A FP A FP A FP FP A FP FP A FP FP A FP FP A
Characteristics SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP SP U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
FK
FK
FK
FK
LS
LS
LS
LS
LS
LS
LS
LS
Code Page 2A 160 6A 160 3A 160 7A 160 2E 162
6E
3E
7E
29
69
162
162
162
163
163
39 163
79 163
2D 163
6D 163
3D 163
7D 163
24 164
34 164
28 165
68 165
38
78
22
32
23
33
21
31 20 30 2C
6C
3C
7C
ST 60 ST 70 165
165
165
165
166
165
166
166
166
166
167
167
167
167
169
LS 2B
168
169
169
169
169
LS 6B
LS 3B
LS 7B
LS
LS
LS
LS
2F
6F
3F
7F 170 170 169
169
Appendix C. Lists of Instructions 269