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11 INSTRUCTIONS AND FUNCTIONS
TRON
Instruction
• Starts a trace (tracking) in a program.
TRON
Syntax
TRON
Examples
• The TRON instruction is used to debug programs together with the TROFF instruction.
Description
• When the TRON instruction is executed, the line numbers of the executed instructions are
displayed enclosed in square brackets ([ ]) while the program is executed.
The display can be shown only on the console screen (the display target specification by
the ZODV instruction is ignored).
• The TRON instruction can be executed in both direct and program modes.
When the following instructions are executed, the trace (tracking) started by the TRON
instruction ends.
• Press the Ctrl + S keys to stop the screen display. Press any key to resume the
display.
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TRace ON
• • • •
TROFF
NEW
RUN "file name"
LOAD
CHAIN
MERGE
REMARK
See the TROFF instruction and Chapter 10.
Executes the trace (tracking).
MELSEC-Q
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