NUM 1020 - Searching the Stack for Symbolic Variables

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4.2.6 Searching the Stack for Symbolic Variables
SEARCH Searches the stack for a symbolic variable.
Syntax
SEARCH [Symb] N..
SEARCH Searches the stack for a symbolic variable.
[Symb] Name of the symbolic variable.
When the variable searched for is found, analysis of the
block is continued.
N.. Block number to which a branch is made when the
symbolic variable is not found.
Example
%30
N..
VAR [Symb]
ENDV
N..
%35
N..
N90 ...
SEARCH [Symb] N100
N..
N100
N..