Instruction Coding; Opcodes; A.1 Opcodes - Analog Devices adsp-2100 Manual

Adsp-2100 family programmable single-chip microprocessors
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Instruction Coding

A.1

OPCODES

This appendix gives a summary of the complete instruction set of the
ADSP-2100 family processors. Opcode field names are defined at the end
of the appendix. Any instruction codes not shown are reserved for future
use.
Type 1: ALU / MAC with Data & Program Memory Read
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
1
PD
DD
Type 2: Data Memory Write (Immediate Data)
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
0
1
G
Type 3: Read /Write Data Memory (Immediate Address)
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1
0
0
D
RGP
Type 4: ALU / MAC with Data Memory Read / Write
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0
1
1
G
D
Type 5: ALU / MAC with Program Memory Read / Write
23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0
1
0
1
D
AMF
DATA
ADDR
Z
AMF
Z
AMF
Yop
Xop
PM
I
Yop
Xop
DREG
Yop
Xop
DREG
PM
DM
DM
M
I
M
I
M
REG
I
M
I
M
A
A – 1

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