The ZCONTINUE command continues routine execution after a BREAK command or a <CTRL-C>.
The format of the ZCONTINUE command is:
The optional truth-valued expression immediately following the command is a command postconditional that controls whether or not GT.M executes the command.
Because ZCONTINUE changes the flow of execution away from control of the principal device back to the current routine, it is usually the final command on a line; however, if it is not, because the ZCONTINUE has no argument, at least two (2) spaces must follow the command to separate it from the next command on the line.
If the process is not in Direct Mode, ZCONTINUE has no effect.
For more information, refer to Chapter 4: “Operating and Debugging in Direct Mode”.