11.11 Use of macros
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Now any dynamic function may be used as a macro. If '@' is placed
before the call to any dynamic function, the code for this function will be
left out and not called by 'CALL'.
When using stack dynamic functions as macros, the stack is freed of
transferred parameters by the assembler instruction 'ADD SP,SIZE_PARAMETR"
right after the end of the code of the inserted macro. Therefore if this
function used flags as returns, these will be destroyed.