Motorola DSP56000, 24-Bit Digital Signal Processor Instruction Groups, Arithmetic Instructions

INSTRUCTION GROUPS

EXAMPLE: JMP $123

BEFORE EXECUTION

P MEMORY

PC JMP $0123

$0FFF

	SHORT
	JUMP
	RANGE
$0123	4,096
	WORDS

AFTER EXECUTION

P MEMORY

JMP $0123

$0FFF

PC

$0123 NEXT INSTRUCTION

$0000

$0000

Assembler Syntax: XXX

Memory Spaces: P:

Additional Instruction Execution Time (Clocks): 0

Additional Effective Address Words: 0

Figure 6-10 Special Addressing – Short Jump Address

6.4INSTRUCTION GROUPS

The instruction set is divided into the following groups:

• Arithmetic	• Logical
• Bit Manipulation	• Loop
• Move	• Program Control

Each instruction group is described in the following paragraphs; detailed information on each instruction is given in APPENDIX A - INSTRUCTION SET DETAILS.

6.4.1 Arithmetic Instructions

The arithmetic instructions, which perform all of the arithmetic operations within the data

MOTOROLA INSTRUCTION SET INTRODUCTION 6 - 19