IBM Professional Series User Manual page 228

INSTR FETCH AT xxxxxx mnem
iiiiiiii
CC=cc
The instruction at virtual storage location xxxxxx
satisfied the instruction fetch comparison and
sequential processing continues.
INSTR FETCH AT xxxxxx mnem
iiii iiii
===> yyyyyy
The instruction at virtual storage location xxxxxx
satisfied the instruction fetch comparison, and the
next instruction will be fetched from storage location
yyyyyy.
STG ALTER AT xxxxxx BY INSTR AT yyyyyy mnem
iii iii i i
C C=cc
The instruction at virtuual storage location yyyyyy
satisfied the storage alteration comparison at xxxxxx.
PROG INTERRUPT code AT xxxxxx mnem
iiiiiiii
===>
yyyyyy
A program interrupt occurred at location xxxxxx and
the resulting PSW swap will fetch the instruction at
yyyyyy.
SVC INTERRUPT code AT xxxxxx menm
iiiiiiii
===>
yyyyyy
A supervisor call interrupt occurred at location
xxxxxx and the resulting PSW swap will fetch the
instruction at yyyyyy.
Chapter 7. VM/PC Commands 7 -55