DP805x Instructions set details
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Contents
1. Overview ____________________________________________________________ 6
1.1. Document structure. ________________________________________________________6
2. 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
3. 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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