Exercise 1: Computing a Full SIB Effective Address — Possible Solution
====================================================================

GIVEN
------------------------------
Base (RBX) = 0x1000
Index (RCX) = 5
Scale = 8
Displacement = 16

APPLYING THE FORMULA
------------------------------
Per this chapter's own formula:

  effective address = Base + (Index x Scale) + Displacement

Step 1 -- compute Index x Scale:
  5 x 8 = 40 (decimal) = 0x28 (hex)

Step 2 -- add Base:
  0x1000 + 0x28 = 0x1028

Step 3 -- add Displacement:
  0x1028 + 16 (decimal) = 0x1028 + 0x10 = 0x1038

RESULT
------------------------------
The effective address of [RBX + RCX*8 + 16] is 0x1038.

WHY THIS WORKS AS AN ANSWER
------------------------------
It applies the chapter's own three-term formula in order (index times
scale first, then adding the base, then adding the displacement),
converting between decimal and hex carefully at each step, arriving
at a single final hexadecimal address with the arithmetic shown.