Table of Contents
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ox
1X
2X
3X
4X
5X
6X
7X
ax
9X
AX
BX
ex
DX
EX
0
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G.P. REG 0
FLOATING POINT REG. 0
G.P. REG 1
H
2311
G.P. REG 2
FLOATING POINT REG. 2
G.P. REG 3
J
G.P. REG 4
FLOATING POINT REG. 4
G.P. REG 5
1052
K
G.P. REG 6
AL TEA/DISPLAY
FLOATING POINT REG. 6
G.P. REG 7
MESSAGE
L
G.P. REG 8
-R-
KO
K1
K2
K3
-
-
-
-
G.P. REG 9
-R-
K4
KS
K6
K7
-
-
-
-
G.P. REG A
KB
K9
KA
KB
-
-
-
-
G.P. REG B
Al B
c
D
KC
KD
KE
KF
G.P. REG C
p
M
1403
ucw
G.P. REG D
M
2540 RDR UCW
G.P. REG E
M
2540 PCH UCW
ox
1X
2X
3X
4X
5X
6X
7X
ax
9X
AX
BX
ex
DX
EX
G.P. REG F
E
N
M
G
1052
ucw
FX
FX
0
2
3
4
5
6
7
8
9
A
B
C
D
E
F
A----1403 UNIT ADDRESS
B----READER UNIT ADDRESS
C----PUNCH UNIT ADDRESS
D----1052 UNIT ADDRESS
E----H1SAVE
G----1052 SENSE
N----2311 ADDRESS
H----MULT/DVD TABLE (X1) AND
ALT/DIS REGS BACKUP
J----MULT/DVD TABLE (X4) AND
ALT/DIS BACKUP+ FLPT SAVE
K----MULT/DVD TABLE (X16)
L---- MU LT/DVD TABLE (X64), FLPT SAVE
M---- NATIVE KEY KKKKOOOO
P---- COMMU. Q-EXIT POINTER
R----BURST CHANNEL BUFFERED
DEVICE ADDRESSES.
K-ADDRESSABLE AREA
K0-88- CHANNEL 1 INTERRUPT BUFFER
Kl-BA- STANDARD INTERFACE, NEXT CCW ADDRESS
K2-8C- CHANNEL UNIT ADDRESS BUFFER
K3-8E- STATUS/ACTIVE BYTE FOR 2311 OR CHANNEL 1
K4-98-
2311 NEXT CCW ADDRESS
K5-9A- 2311 SENSE OR PREVIOUS OP AND MASI<
K6-9C- 2311 SENSE OR FILE ADDRESS
K7-9E
DIAGNOSTICS, AL TEA/DISPLAY BAL BACKUP
KB-AB- SYSTEM MASK
-A9- CPU KEY AND AMWP
K9-AA- EXECUTE INSTRUCTION COUNTER---- I REGISTER BACKUP
KA-AC- U REGISTER BACKUP Q FLPT SAVE DURING INSTRUCTIONS
KB-AE- G REGISTER BACKUP
KC-BB- P REGISTER BACKUP
KD-BA- CHANNEL 0 INTERRUPT BUFFER
KE-BC- ADDRESS OF STRAIGHT MULT/DVD, FLPT SAVE 2540 REGS BACKUP
KF-BE- ADDRESS OF SKEWED MU LT/DVD, FLPT SAVE OR CAW KEY
2540 REGS BACKUP
Figure 1-8. Auxiliary Storage Module 0 (Part 1 of 2)
1-8 (7/69)
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