<p class=lexical__paragraph dir=ltr><span style=white-space: pre-wrap;>巢狀中斷,從8改成原本的7道手續INT。</span></p><p class=lexical__paragraph dir=ltr><span style=white-space: pre-wrap;>使用包心菜版的遞迴架構,也就是上限從3改成4次,然後使用APTC,非以往的PTC。</span></p>