0100nnnn00001011
pc ← SignExtend32(PC);
op1 ← SignExtend32(Rn);
IF (IsDelaySlot())
THROW ILLSLOT;
delayedpr ← pc + 4;
target ← op1;
delayedpc ← target ∧ (~ 0x1);
PR’’ ← Register(delayedpr);
PC’’ ← Register(delayedpc);