Displacement
8
18
1C
28
2A
2C
2E
38
3C
42
43
44
46
48
4C
IJBERBLC DC
IJBERR19 DC
IJBERR24 DC
IJBFETCH DC
IJBINTRT DC
IJBQLNG DC
DC
DC
DC
DC
DC
DC
DC
DC
DC
Address of error block
Exit address for attention
Cancel exit for attention
Cancel exit for attention
Address of fetch routine
Address of 1/0 interrupt routine
Address of external
Free list pointer
Number of channel queue entries
Length of one error queue entry
Reserved for
Address of CRT table
Address of
Address of channel control table
A*1 Flags and switches
A*2
.1*3 Flags and switches
A*4 Flags and switches