let tr-ib =
[Imp & TTD & R]; iico_data; [B]; iico_ctrl; [Exp & M | MMU & FAULT]
let TTD-same-oa = same-oa(TTD*TTD)
let same-loc = [M]; loc; [M]
| [MMU & Translation & FAULT]; same-low-order-bits
| same-low-order-bits; [MMU & Translation & FAULT]
| (tr-ib^-1; TTD-same-oa; tr-ib) & same-low-order-bits
let po-loc = po & same-loc
let scl = loc
| (M | DC.CVAU | IC) * (IC.IALLU | IC.IALLUIS)
| (IC.IALLU | IC.IALLUIS) * (M | DC.CVAU | IC)
let va-loc = (tr-ib; same-low-order-bits; tr-ib^-1) & loc
let po-va-loc = po & va-loc