Motorola DSP56000 Manual page 457

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

Advertisement

Y:
Note: The MOVE A,Y:ea operation will result in a 24-bit positive or negative saturation
constant being stored in the specified 24-bit Y memory location if the signed integer por-
tion of the A accumulator is in use.
Instruction Format:
( . . . . . ) Y:ea,D
( . . . . . ) S,Y:ea
( . . . . . ) #xxxxxx,D
Opcode:
23
0
1
d
d
Instruction Fields:
ea=6-bit Effective Address=MMMRRR
Register W
Read S
0
Write D 1
where "rrr" refers to an address register R0–R7
A - 188
INSTRUCTION DESCRIPTIONS
Y Memory Data Move
16
15
1
d
d
d
W
1
M
OPTIONAL EFFECTIVE ADDRESS EXTENSION
Effective
Addressing Mode M M M R R R
(Rn)-Nn
(Rn)+Nn
(Rn)-
(Rn)+
(Rn)
(Rn+Nn)
-(Rn)
Absolute address
Immediate data
INSTRUCTION SET DETAILS
8
7
M
M
R
R
R
INSTRUCTION OPCODE
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
1
1 0 0 0 0
1
1 0 1 0 0
Y:
0
MOTOROLA

Advertisement

Table of Contents
loading

This manual is also suitable for:

Dsp56k

Table of Contents