INSTRUCTION DESCRIPTIONS

MOVEM

Move Program Memory

Instruction Format:

MOVE(M) S,P:ea

MOVE(M) P:ea,D

MOVEM

Opcode:

2316 158 70

0 0 0 0 0 1 1 1 W 1 M M M R R R 1 0 d d d d d d

OPTIONAL EFFECTIVE ADDRESS EXTENSION

Instruction Fields:

ea=6-bit Effective Address=MMMRRR

 

 

Effective

 

 

 

 

 

 

Register W

Addressing Mode

M

M M R

R

R

Read S

0

(Rn)-Nn

0

0

0

r

r

r

Write D

1

(Rn)+Nn

0

0

1

r

r

r

 

 

(Rn)-

0

1

0

r

r

r

 

 

(Rn)+

0

1

1

r

r

r

 

 

(Rn)

1

0

0

r

r

r

 

 

(Rn+Nn)

1

0

1

r

r

r

 

 

-(Rn)

1

1

1

r

r

r

 

 

Absolute address

1

1

0

0

0

0

where “rrr” refers to an address register R0–R7

MOTOROLA

INSTRUCTION SET DETAILS

A - 217

Page 486
Image 486
Motorola DSP56000, 24-Bit Digital Signal Processor manual Movem S,Pea Movem Pea,D