Fuck! Ich hab's tatsächlich verstanden. (:
Der Code sieht nun so aus:

@> Control Variables: [0201:buckler] = 1
@> Conditional Branch: Variable [0201:buckler] == 1
@> Control Switches: [0147:shield control] = ON
@>
: Else
@> Control Switches: [0147:shield control] = OFF
@>
: Branch End