CN field 0 bit
=
0 indicates the K addressable bytes 0 through 15 that will be addressed.
CN field 0 bit = 1 indicates the K addressable bytes 16 through 31 that will be addressed.
781
-
K=OlOO PO
ACLS
r
The 8 in the next address does have the CN 0 hit on.
10101100 - TO AC in HEX
t
K 0100 Specifies the K1 Bit on.
3 CU FIELD-AREA OF' MEMORY TO BE ADDRESSED
A. CU
=
0000
- IJ-MN MS
Signifies that main storage will be addressed.
B. CU
=
0001
- UV-MN LS
Signifies that local storage (CPU Bump) will be addressed.
IBM Confidential
21
=
0 indicates the K addressable bytes 0 through 15 that will be addressed.
CN field 0 bit = 1 indicates the K addressable bytes 16 through 31 that will be addressed.
781
-
K=OlOO PO
ACLS
r
The 8 in the next address does have the CN 0 hit on.
10101100 - TO AC in HEX
t
K 0100 Specifies the K1 Bit on.
3 CU FIELD-AREA OF' MEMORY TO BE ADDRESSED
A. CU
=
0000
- IJ-MN MS
Signifies that main storage will be addressed.
B. CU
=
0001
- UV-MN LS
Signifies that local storage (CPU Bump) will be addressed.
IBM Confidential
21