John, TMLH and TMLL are part of initial z/ARCH- If you have one of the older reference cards (or a POP old enough)) you might even find a reference to note 3.
note 3: also available in 390 mode. -- Martin Pi_cap_CPU - all you ever need around MWLC/SCRT/CMT in z/VSE more at http://www.picapcpu.de
