Complicated logic I use to preserve previous purpose for Apple (6,9)

I haven't cracked this one yet — but the brilliant team at Times for the Times have:

OLD END (previous purpose) in *(LOGIC I USE). Never bothered to parse this, it went straight in. And haven’t we had it recently? Sure I’ve seen it somewhere, in a jumbo maybe. Not a fan of the unwarranted capital, but I generally ignore punctuation, including capitalisation.