Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Equip only to a "Morphtronic" monster. Each time the equipped monster's battle position is changed, destroy 1 Spell or Trap Card on the field.
--D・コード
--Morphtronic Cord
local s,id=GetID()
function s.initial_effect(c)
	aux.AddEquipProcedure(c,nil,aux.FilterBoolFunction(Card.IsSetCard,SET_MORPHTRONIC))
	--destroy
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCategory(CATEGORY_DESTROY)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_CHANGE_POS)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCondition(s.descon)
	e2:SetTarget(s.destg)
	e2:SetOperation(s.desop)
	c:RegisterEffect(e2)
end
s.listed_series={SET_MORPHTRONIC}
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local tg=e:GetHandler():GetEquipTarget()
	return tg and eg:IsContains(tg)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsSpellTrap() end
	if chk==0 then return not e:GetHandler():IsStatus(STATUS_CHAINING) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,Card.IsSpellTrap,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,#g,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end