5.78 TRACEOPT (Instruction trace display option)
5.78.1 Function
TRACEOPT sets the Hercules instruction tracing display option. In addition to the TRACEOPT system
parameter there is also a corresponding TRACEOPT console command to dynamically display and/or
update the current setting at any time.
5.78.2 Syntax
Descriptive
Diagram
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5.78.3 Parameter
TRADITIONAL
TRADITIONAL (the default), displays the registers following the instruction about to
be executed such that pressing enter (to execute the displayed instruction) then
shows the next instruction to be executed followed by the updated registers display.
REGSFIRST
REGSFIRST displays the current register contents followed by the instruction about
to be executed such that pressing enter (to execute the displayed instruction) then
shows the updated registers followed by the next instruction to be executed.
NOREGS
NOREGS suppresses the registers display altogether and shows just the
instruction to be executed.
5.78.4 Examples
Example 1:
Set the tracing display option to display the registers following the instruction about to be executed.
TRACEOPT TRADITIONAL