IBM System/370 145 Reference Summary page 140

Byte Bit ABRTY - 18 (Retry)
0
0-7
1
0-7 Contains source data of A- or B-
register for retry. Word Type
A= A/B A-Reg Saved
B = A/B
B-Reg Saved
2
0-7
3
0-7
(RR111-144)
Byte Bit
SPTLB - 19 (Retry)
0
0-7 S-Reg Backup
1
0-7 P-Reg Backup
2
0-7 T-Reg Backup
3
0-7 L-Reg Backup
(RR114-144)
Byte
Bit
HMRTY -1A (Retry)
0
0-7 Spare
1
0-7 HRTY
H-Reg Backup
RR125
2
0-7
MRTY2 M-Reg (Byte 2) Backup
RR135
3
0-7
MRTY 3 M-Reg (Byte 3) Backup
RR145
•
11.16