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C.3 32-bit opcode maps, Figure c−1. 1 or 2 sources instruction format, Figure c−3. load/store basic operations – Texas Instruments TMS320C67X/C67X+ DSP User Manual

Page 438: Figure c−4. load/store long-immediate operations, Creg z src/dst baser offsetr mode r y op 1 0 s p, Creg z dst offsetr y op 1 1 s p

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32-Bit Opcode Maps

C-5

.D Unit Instructions and Opcode Maps

SPRU733

C.3 32-Bit Opcode Maps

The C67x CPU 32-bit opcodes used in the .D unit are mapped in Figure C−1
through Figure C−4.

Figure C−1. 1 or 2 Sources Instruction Format

31

29

28

27

23

22

18

17

13

12

7

6

5

4

3

2

1

0

creg

z

dst

src2

src1

op

1 0 0 0 0 s p

3

1

5

5

5

6

1

1

Figure C−2. Extended .D Unit 1 or 2 Sources Instruction Format

31

29

28

27

23

22

18

17

13

12

11

10

9

6

5

4

3

2

1

0

creg

z

dst

src2

src1

x 1 0

op

1 1 0 0 s p

3

1

5

5

5

1

4

1

1

Figure C−3. Load/Store Basic Operations

31

29

28

27

23

22

18

17

13

12

9

8

7

6

4

3

2

1

0

creg

z

src/dst

baseR

offsetR

mode

r y

op

1 0 s p

3

1

5

5

5

4

1

1

3

1

1

Figure C−4. Load/Store Long-Immediate Operations

31

29

28

27

23

22

8

7

6

4

3

2

1

0

creg

z

dst

offsetR

y

op

1 1 s p

3

1

5

15

1

3

1

1