0844

IS_VAR_TEXT_LABEL_EMPTY

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Description

Checks if the string is empty

Syntax

0844:   string [global short string var] empty

Parameter

[global short string var]

Global variable containing a string of up to 7 characters

This conditional opcode returns true if the string represented by the global variable is empty, i.e. contains no characters, only zero bytes. Opcodes 0845, 0846, and 0847 behaves similarly to this.

Keywords

string, empty, check, var, text, label