MN500 MN500 provides data on instructions simulated by CP. o
8 10 Hexadecimal Field
Displacement Name ------------ C MN500UID 8 MN500lNS C MN500VAD 10 MN5000VH MN500LEN MN500lNS DS CL8
DS 1F
DS 1F
DS XL8 EQU *-MN500 MN500UID MN500VH MN5COVID Field Description, Contents, Meaning Userid
privileged instruction Virtual storage address cf the instruction
Current total of CP simulaticn time
Length of class 4 code 0 reccrd 50 IBM VM/370 Data Areas and Centrol Block Logic

I • Header Record I MN600HDR header record provides the number of device data packages.
r
o I MN600NUM Hexadecimal Field
Displacement Name o DS 1H MN600HLN EQU *-MN600HDR ,. I/O Count Record
Field Description, Contents, Meaning Number of device data packages that
follow length of header
Length of header MN600 MN600DEV inFut/output count record provides information for each device in the device
data packages.
Hexadecimal Bisplacement ------------ 0 2
4
A
r
o I MN600ADD MN600TY MN600S:ER 8 I Field Naae MN600ADD DS MN600TY DS MN600SER DS MN600CNT DS MN600DLN EQU MN600MAI EQU 1H
1H
CL6
IL4 MN600CNT *-MN600DEV Field Description, Contents, Meaning Device address VM/370 device type and/or codes
Volume serial number of device
Device accumulated I/O count
Length of each data record (4096-MNBHDLEN-MNHIRLEN-MN600HLN)/MN600DLN Maximum device count
Section 1. CP Data Areas and Control Blocks 51