Field Nalle !Qf SIGSENSE EQU X'01' SIGXC EQU X'02' SIGEMS EQU X'03' SIGSTART EQU X'04' SIGSTOP EQU X'05' SIGREST EQU X'06' SIGIPR EQU X'07' SIGPR EQU X'08' SIGSSS EQU X'Og' SIGIML EQU X'OA' SIGICR EQU X'OB' SIGCR EQU X'OC' SIGQUI EQU X'800' SIGEXT EQU X'400' SIGSYNC EQU X'200' SIGSHD EQU X'100' SIGCLK EQU X'080' SIGAPR EQU X'800' SIGRES EQU X'400' SIGWAKE EQU X'200' SIGDISP EQU X'100' Field Description, Contents, Meaning Sense order code
External call order code Emergency signal order code
Start order code
Stop order code
Restart order code
Initial program reset order code Prograa reset order code
Stop and store status order code
Initial aicroprogram load order code
Initial processor reset order code
Processor reset order code emergency signals
Quiesce emergency signal
Extend emergency signal Clock synchronization emergency signal
Shutdown emergency signal Clock check signal (external call signals) Automatic processor recovery (external call signal)
Resume external call signal
Wakeup external call signal
Dispatch external call signal 2S2 IBM VM/370 Data Areas and Control Elock Logic

Field Name Field Description, Contents, l!eaning -------------------------------------- RO EQU 0 Rl EQU 1
R2 EQU 2
R3 EQU 3
R4 EQU 4 R5 EQU 5
R6 EQU 6
R7 EQU 7 General register definitions
R8 EQU 8
R9 EQU 9 I Rl0 EQU 10 ) Rll EQU 11
R12 EQU 12
R13 EQU 13
R14 EQU 14
R15 EQU 15 YO EQU 0 } Y2 EQU 2 Fleating-point register definitions Y4 EQU 4 Y6 EQU 6 CO EQU 0 Cl EQU 1 C2 EQU 2 C3 EQU 3 C4 EQU 4 C5 EQU 5
C6 EQU 6 ( C7 EQU 7 Control register definitions C8 EQU 8 C9 EQU 9 Cl0 EQU 10 Cl1 EQU 11
C12 1:'1'\" 1') ""'\O!U .£ } C13 EQU 13 C14 EQU 14 C15 EQU 15
Appendix A. CP and RSCS Equate Symbols 283