Motorola 24-Bit Digital Signal Processor, DSP56000 Memory Data Move Instruction Format, M R R

INSTRUCTION DESCRIPTIONS

X: X Memory Data Move X:

Instruction Format:
( . .	.	. .		) X:ea,D
( . .	.	. .		) S,X:ea
( . .	.	. .		) #xxxxxx,D
Opcode:
23		16	15		8	7	0
			0	1 d d 0 d d d		W 1 M	M M R R R		INSTRUCTION OPCODE

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
		Immediate data	1	1	0	1	0	0

A - 176 INSTRUCTION SET DETAILS MOTOROLA