Motorola DSP56000 Manual page 466

24-bit digital signal processor
Hide thumbs Also See for DSP56000:
Table of Contents

Advertisement

R:Y
Class II Instruction Format:
( . . . . . ) Y0
A A
( . . . . . ) Y0
B B
Opcode:
23
0
0
0
0
Instruction Fields:
ea=6-bit Effective Address=MMMRRR
Effective
Addressing Mode
(Rn)-Nn
(Rn)+Nn
(Rn)-
(Rn)+
(Rn)
(Rn+Nn)
-(Rn)
where "rrr" refers to an address register R0–R7
SRC
DEST
S, D
S/L
Sign Ext
X0
no
N/A
Y0
no
N/A
A
yes
A2
B
yes
B2
Timing: mv oscillator clock cycles
Memory: mv program words
MOTOROLA
INSTRUCTION DESCRIPTIONS
Register and Y Memory Data Move
Y:ea
Y:ea
16
15
1
0
0
d
1
0
M
OPTIONAL EFFECTIVE ADDRESS EXTENSION
M M M R R R
0 0 0 r r r
0 0 1 r r r
0 1 0 r r r
0 1 1 r r r
1 0 0 r r r
1 0 1 r r r
1 1 1 r r r
DEST
Zero
N/A
N/A
A0
B0
INSTRUCTION SET DETAILS
8
7
M
M
R
R
R
INSTRUCTION OPCODE
d
MOVE Opcode
0
Y0
A A
1
Y0
B B
R:Y
0
Y:ea
Y:ea
A - 197

Advertisement

Table of Contents
loading

This manual is also suitable for:

Dsp56k

Table of Contents