Analog Devices adsp-2100 User Manual

Contents
xi
CHAPTER 15 INSTRUCTION SET REFERENCE
15.1 QUICK LIST OF INSTRUCTIONS ................................................ 15–1
15.2 OVERVIEW ...................................................................................... 15–2
15.3 INSTRUCTION TYPES & NOTATION CONVENTIONS ........ 15–3
15.4 MULTIFUNCTION INSTRUCTIONS .......................................... 15–4
15.4.1 ALU/MAC With Data & Program Memory Read ............... 15–4
15.4.2 Data & Program Memory Read ............................................... 15–6
15.4.3 Computation With Memory Read .......................................... 15–6
15.4.4 Computation With Memory Write.......................................... 15–6
15.4.5 Computation With Data Register Move................................. 15–7
15.5 ALU, MAC & SHIFTER INSTRUCTIONS ................................... 15–9
15.5.1 ALU Group ................................................................................. 15–9
15.5.2 MAC Group .............................................................................. 15–10
15.5.3 Shifter Group ............................................................................ 15–11
15.6 MOVE: READ & WRITE............................................................... 15–12
15.7 PROGRAM FLOW CONTROL ................................................... 15–14
15.8 MISCELLANEOUS INSTRUCTIONS ........................................ 15–16
15.9 EXTRA CYCLE CONDITIONS ................................................... 15–18
15.9.1 Multiple Off-Chip Memory Accesses ................................... 15–18
15.9.2 Wait States ................................................................................ 15–18
15.9.3 SPORT Autobuffering & DMA.............................................. 15–18
15.10 INSTRUCTION SET SYNTAX..................................................... 15–19
15.10.1 Punctuation & Multifunction Instructions........................... 15–19
15.10.2 Syntax Notation Example ....................................................... 15–19
15.10.3 Status Register Notation ......................................................... 15–20
ALU Add/Add with Carry ................................................................... 15–23
Subtract X-Y/Subtract X-Y with Borrow.................................... 15–25
Subtract Y-X/Subtract Y-X with Borrow.................................... 15–27
AND, OR, XOR .............................................................................. 15–29
Test Bit, Clear Bit, Set Bit, Toggle Bit .......................................... 15–31
Pass/Clear ...................................................................................... 15–33
Negate ........................................................................................... 15–35
NOT ................................................................................................ 15–36
Absolute Value ............................................................................... 15–37
Increment ........................................................................................ 15–38
Decrement ....................................................................................... 15–39
Divide ............................................................................................. 15–40
Generate ALU Status..................................................................... 15–42

Analog Devices adsp-2100 Specifications

General

Brand	Analog Devices
Model	adsp-2100
Category	Computer Hardware
Language	English