Motorola DSP56000 Manual page 466

L:
Instruction Format:
( . . . . . ) L:ea,D
( . . . . . ) S,L:ea
Opcode:
23
0 1 0 0
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
S S1 S2
A10 A1 A0
B10 B1 B0
X X1 X0
Y Y1 Y0
A A1 A0
B B1 B0
AB A B
BA B A
Timing: mv oscillator clock cycles
Memory: mv program words
A - 200
INSTRUCTION DESCRIPTIONS
Long Memory Data Move
16 15
L 0 L L 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
S
S/L D
no A10 A1
no B10 B1
no X
no Y
yes A
yes B
yes AB
yes BA
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 0 r r r
1 1 0 0 0 0
D
D1 D2 Sign Ext
A0 no
B0 no
X1 X0 no
Y1 Y0 no
A1 A0 A2
B1 B0 B2
A B A2,B2
B A B2,A2
L:
0
D
Zero L L L
no 0 0 0
no 0 0 1
no 0 1 0
no 0 1 1
no 1 0 0
no 1 0 1
A0,B0 1 1 0
B0,A0 1 1 1
MOTOROLA