Analog Devices adsp-2100 Manual page 9

CHAPTER 15
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
INSTRUCTION SET REFERENCE
Contents
xi