DP805X datasheet(2/79 Pages) DCD

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DP805x Instructions set details

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Contents

Overview ____________________________________________________________ 6

1.1. Document structure. ________________________________________________________6

Instructions set brief___________________________________________________ 6

2.1. Instruction set notes ________________________________________________________6

2.2. Instruction set brief – functional order _________________________________________7

2.2.1.

Arithmetic operations __________________________________________________________ 7

2.2.2.

Logic operations ______________________________________________________________ 8

2.2.3.

Boolean manipulation __________________________________________________________ 8

2.2.4.

Data transfers ________________________________________________________________ 9

2.2.5.

Program branches ___________________________________________________________ 10

2.3. Instruction set brief – hexadecimal order ______________________________________11

Instructions set details ________________________________________________ 14

3.1. ACALL __________________________________________________________________14

3.2. ADD_____________________________________________________________________15

3.2.1.

ADD A, Rn _________________________________________________________________ 15

3.2.2.

ADD A, direct _______________________________________________________________ 15

3.2.3.

ADD A, @Ri ________________________________________________________________ 16

3.2.4.

ADD A, #data _______________________________________________________________ 16

3.3. ADDC ___________________________________________________________________17

3.3.1.

ADDC A, Rn ________________________________________________________________ 17

3.3.2.

ADDC A, direct ______________________________________________________________ 17

3.3.3.

ADDC A, @Ri _______________________________________________________________ 18

3.3.4.

ADDC A, #data ______________________________________________________________ 18

3.4. AJMP____________________________________________________________________19

3.5. ANL _____________________________________________________________________20

3.5.1.

ANL A, Rn __________________________________________________________________ 20

3.5.2.

ANL A, direct________________________________________________________________ 20

3.5.3.

ANL A, @Ri ________________________________________________________________ 21

3.5.4.

ANL A, #data________________________________________________________________ 21

3.5.5.

ANL direct, A________________________________________________________________ 21

3.5.6.

ANL direct, #data ____________________________________________________________ 21

3.5.7.

ANL C, bit __________________________________________________________________ 22

3.5.8.

ANL C, /bit__________________________________________________________________ 22

3.6. CJNE ____________________________________________________________________23

3.6.1.

CJNE A, direct, rel ___________________________________________________________ 23

3.6.2.

CJNE A, #data, rel ___________________________________________________________ 24

3.6.3.

CJNE RN, #data, rel __________________________________________________________ 24

3.6.4.

CJNE @Ri, #data, rel _________________________________________________________ 25

3.7. CLR _____________________________________________________________________26

3.7.1.

CLR A _____________________________________________________________________ 26

3.7.2.

CLR bit ____________________________________________________________________ 26

3.7.3.

CLR C ____________________________________________________________________ 27

3.8. CPL _____________________________________________________________________28

3.8.1.

CPL A _____________________________________________________________________ 28

3.8.2.

CPL bit ____________________________________________________________________ 28

3.8.3.

CPL C _____________________________________________________________________ 29

3.9. DA ______________________________________________________________________30

3.10.

DEC ___________________________________________________________________31

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