HLASM Toolkit Feature Interactive Debug Facility User's Guide
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SET BREAK

HLASM Toolkit Feature Interactive Debug Facility User's Guide
GC26-8709-07

Sets or clears a breakpoint at an address.
Read syntax diagramSkip visual syntax diagram
>>-SET--BREak--+-ON--+--+---------+--+----------------+--------><
               '-OFF-'  '-address-'  | .------------. |   
                                     | V            | |   
                                     '---|--command-+-'   

ON
Set the breakpoint.
OFF
Clear the breakpoint.
address
The address at which the breakpoint is set. If an expression, the expression is used to provide the address.

If omitted, the address is determined from the cursor position. If it is not possible to determine an address from the cursor position (for example, when the cursor is on the command line and the command line is empty), then an error.

command
A command that is executed when the breakpoint is taken, before control is returned to the user. Many commands can be specified at the end of the SET BREAK command, separated from the address and each other by a vertical bar (|). If a command receives a non-zero return code, the remaining commands in the list are not executed.

See also BREAK.

Examples

SET BREAK ON ALLOPEN+8
SET BREAK OFF 4(R2)
SET BREAK ON MOON | SET MSG Houston... the Eagle has landed.

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