Instruction characteristics

A code of b'...1....' generates output with the following structure:

Table 1. Instruction characteristics
Origin Length Contents
0 1 Instruction length (in bytes)
1 1 Instruction format - see Instruction Formats for values
2 1 Sub-format - see Instruction Formats for values
3 .1 each Principles of Operations Notes:
c - Condition code set
i - Interruptible instruction
n - New condition code loaded
p - Privileged instruction
q - Semi-privileged instruction
x - Execution in problem state and supervisor state differs
y - Condition code may be set
z - Condition code is unpredictable
4 .1 each Additional Information:
Branch Instruction
Space-switch Operation
Dependent on Current PSW Address
5 .1 each Possible Condition Codes Set:
Condition Code 0
Condition Code 1
Condition Code 2
Condition Code 3
6 2 Reserved for future use
Table 2. Instruction formats
Format Name Sub-format Operands
0 Invalid - -
1 E 1  
2 RR 1 R1,R2
2 I1
3 R1
4 M1,R2
3 QST 1 VR1,QR3,RS2(RT2)
2 M1,QR3,RS2(RT2)
4 QV 1 VR1,QR3,VR2
2 M1,QR3,VR2
3 VR1,QR2
5 RRE 1 R1
2 R1,R2
3  
6 RS 1 R1,R3,D2(B2)
2 R1,D2(B2)
3 R1,M3,D2(B2)
7 RX 1 R1,D2(X2,B2)
2 M1,D2(X2,B2)
8 S 1 D2(B2)
2  
9 SI 1 D1(B1),I2
10 VR 1 VR1,QR3,R2
2 VR1,QR2
3 VR1
11 VS 1 RS2
12 VST 1 VR1,VR3,RST(RT2)
2 VR1,RS2(RT2)
3 M1,VR3,RS2(RT2)
13 VV 1 VR1,VR3,VR2
2 VR1,VR2
3 M1,VR3,VR2
4 VR1
14 RSEV 1 VR1,VR3,D2(B2)
15 SS 1 D1(L1,B1),D2(L2,B2)
2 D1(L1,B1),D2(B2)
3 D1(L1,B1),D2(B2),I3
4 D1(R1,B1),D2(B2),R3
5 R1,D2(B2),R3,D4(B4)
6 R1,R3,D2(B2),D4(B4)
7 D1(B1),D2(L2,B2)
16 SSE 1 D1(B1),D2(B2)
17 RI 1 R1,I2
2 M1,I2
18 RSI 1 R1,R3,I2
19 RRF 1 R1,R3,R2,M4
2 R1,M3,R2
3 R1,R3,R2
4 R1,R2,R3
5 R1,R3,R2
6 R1,M3,R2,M4
7 R1,R2,M4
8 R1,R2,R3,M4
9 R1,R2,M3,M4
20 RXE 1 R1,D2(X2,B2),M3
21 RIL 1 R1,I2
2 M1,I2
22 RIE 1 R1,R3,I2
2 R1,I2,M3
3 R1,R2,M3,I4
4 R1,I2,M3,I4
5 R1,R2,I3,I4,I5
6 R1,I2,M3
23 RXF 1 R1,R3,D2(X2,B2)
24 RSE 1 R1,R3,D2(B2)
2 R1,M3,D2(B2)
25 RSL 1 D1(L1,B1)
2 R1,D2(L2,B2),M3
26 RXY 1 R1,D2(X2,B2)
2 M1,D2(X2,B2)
27 RSY 1 R1,R3,D2(B2)
2 R1,M3,D2(B2)
3 R1,D2(B2),M3
28 SIY 1 D1(B1),I2
29 SSF 1 D1(B1),D2(B2),R3
2 R3,D1(B1),D2(B2)
30 RRD 1 R1,R2,R3
31 RIS 1 R1,I2,M3,D4(B4)
32 RRS 1 R1,R2,M3,D4(B4)
33 SIL 1 D1(B1),I2
34 IE 1 I1,I2
35 MII 1 MI,I2,I3
36 SMI 1 MI,I2,D3(B3)
37 VRI 1 V1,I2,M3
2 V1,I2,I3,M4
3 V1,V3,I2,M4
4 V1,V2,V3,I4,M5
5 V1,V2,I3,M4,M5
6 V1,V2,V3,I4,M5
7 V1,V2,I3,I4,M5
8 V1,I2,I3
9 V1,R2,I3,M4
38 VRR 1 V1,V2,M3,M4,M5
2 V1,V2,V3,M4,M5
3 V1,V2,V3,M4,M5,M6
4 V1,V2,V3,V4,M5,M6
5 V1,V2,V3,V4,M5,M6
6 V1,R2,V3
7 V1
8 V1,V2,V3
9 R1,V2,M3
10 V1,V2,M3,M4
11 V1,V2,M3
39 VRS 1 V1,V3,D2(B2),M4
2 V1,R3,D2(B2),M4
3 R1,V3,D2(B2),M4
4 V1,R3,D2(B2)
40 VRV 1 V1,D2(V2,B2),M3
41 VRX 1 V1,D2(X2,B2),M3
42 VSI 1 V1,D2(B2),I3