Motorola DSP56000 Manual page 470

24-bit digital signal processor
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L:
Instruction Format:
( . . . . . ) L:aa,D
( . . . . . ) S,L:aa
Opcode:
23
0
1
0
0
Instruction Fields:
aa=6-bit Absolute Short Address=aaaaaa
Register W
Absolute Short Address aaaaaa
Read S
0
Write D 1
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
MOTOROLA
INSTRUCTION DESCRIPTIONS
Long Memory Data Move
16
15
L
0
L
L
W
0
a
000000
111111
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
a
a
a
a
a
INSTRUCTION OPCODE
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
A - 201

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