dec. addr only Function
32· 39
48· 55
104·111 68
112·119
132·133 84
132·133 84
134·135 86
144·147
152·155 98
156·159 9C
168·171 A8
172·175 AC
224·231
248·251 F8
252·255 FC
256·351
t
External old
Channel address word
External new
X
X External interruption code
X
X Program interrupt.
X Translation exception address
Monitor class
X PER interruption code
X PER address
Monitor code
Channel
Limited channel logout (see diagram)
X
Clock comparator save area
Machine·check interruption code (see diagram)
Failing processor storage address
Region code*
Fixed logout area*
Floating-point register save area
General register save area
Control register save area
*May vary among
5 Channel
6 Main storage control
7 Main storage
8
11 Main storage
16
12 Control unit
16
17·18 Reserved
21 Cmd. addr. and key
22 Channel address
23 Device address
23 24 26 28 29 31
24·25 Type of termination
11
28(A)
29-31 Sequence code
MACHINE-CHECK
o 1314 16
Validity
MCEL length
25 Region code
27 Floating-pt registers
28 General registers
29 Control registers
31
46
47 Clock comparator
63