Line numbers are shown when displaying macro definitions to facilitate editing via the MAE command. If MA is invoked with a valid name that does not currently have a definition, then the debugger enters the macro definition mode. In response to each macro definition prompt "M=", enter a debugger command, including a carriage return. Commands entered are not checked for syntax until the macro is invoked. To exit the macro definition mode, enter only a carriage return (null line) in response to the prompt. If the macro contains errors, it can either be deleted and redefined or it can be edited with the MAE command. A macro containing no primitive debugger commands (i.e., no definition) is not accepted.
Macro definitions are stored in a string pool of fixed size.
If the string pool becomes full while in the definition mode, the offending string is discarded, a message STRING POOL FULL, LAST LINE DISCARDED is printed and you are returned to the debugger command prompt. This also happens if the string entered would cause the string pool to overflow. The string pool has a capacity of 511 characters. The only way to add or expand macros when the string pool is full is either to delete or edit macro(s).To delete a macro, invoke NOMA followed by the name of the macro. Invoking NOMA without specifying a valid macro name deletes all macros. If NOMA is invoked with a valid macro name that does not have a definition, an error message is printed.
Debugger commands
contained in macros may reference arguments supplied at invocation time. Arguments are denoted in macro definitions by embedding a back slash "\" followed by a numeral. Up to ten arguments are permitted. A definition containing a back slash followed by a zero would cause the first argument to that macro to be inserted in place of the "\0" characters. Similarly, the second argument would be used whenever the sequence "\1" occurred. Thus, entering ARGUE 3000 1 ;B on the debugger command line would invoke the macro named ARGUE with the text strings 3000, 1, and ;B replacing "\0", "\1", and "\2" respectively, within the body of the macro.
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