IBM System/370 145 Reference Summary page 43

H-REGISTER
TRAP
OPERATION
BIT
ADDRESS
ROUTINE
Multiplexer
HS D400
GMSR
IFA H6
--
a. Return Low D480 GPBK
b. Unused D4B4
c. Unused D488
El
d. D1agnost1c D48C GPDO
Store/Display H7
--
a. Store/Display
D840 GKAD
CPU Low without 1/0
None
--
a. Spare
--
b. Storage Protect D804 GICM
c. Address Check D808 GICM
d. Address Ad1ust Exception
D80C GGST
CPU Low with 1/0 None
--
a. Spare
--
b. Storage Protect
D814 GMDR
c. Address Check D818 GMDR
d. Spare
--
Scan/Clear None
--
a. Scan Storage
DJ80 CSTS
b. Clear Storage
DJ84 CSTS
Single-Cycle Allow 1/0 and Soft CA Match
None DCOO GKCC
H-Rog
Bk>cks Trap Request
Bot for
H-Reg Bit
HO None
H1 H2, J, 4, S, 6, 7
H2 H2
HJ
HJ, 4, S, 6
H4 H4, S, 6
HS HS,6
H6 H6
H7 H7
2.16