ARM VERSION 1.2 - Manual (Page 209)

Thumb Instruction Reference
ARM DUI 0068B Copyright © 2000, 2001 ARM Limited. All rights reserved. 5-15
5.2 Thumb arithmetic instructions
This section contains the following subsections:
• ADD and SUB, low registers on page 5-16
Add and subtract.
• ADD, high or low registers on page 5-18
Add values in registers, one or both of them in the range r8 to r15.
• ADD and SUB, sp on page 5-19
Increment or decrement sp by an immediate constant.
• ADD, pc or sp relative on page 5-20
Add an immediate constant to the value from sp or pc, and place the result into a
low register.
• ADC, SBC, and MUL on page 5-21
Add with carry, Subtract with carry, and Multiply.