DR805X datasheet(8/79 Pages) DCD

Part #	DR805X

Description	8-bit RISC Microcontroller Instructions set details ver 3.10

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Manufacturer	DCD [Digital Core Design]

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DR805x Instructions set details

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2.2.2. LOGIC OPERATIONS

Mnemonic

Description

Code

Bytes Cycles

ANL A,Rn

AND register to accumulator

0x58-0x5F

1

2

ANL A,direct

AND direct byte to accumulator

0x55

2

3

ANL A,@Ri

AND indirect RAM to accumulator

0x56-0x57

1

3

ANL A,#data

AND immediate data to accumulator

0x54

2

ANL direct,A

AND accumulator to direct byte

0x52

2

4

ANL direct,#data

AND immediate data to direct byte

0x53

3

4

ORL A,Rn

OR register to accumulator

0x48-0x4F

1

2

ORL A,direct

OR direct byte to accumulator

0x45

2

3

ORL A,@Ri

OR indirect RAM to accumulator

0x46-0x47

1

3

ORL A,#data

OR immediate data to accumulator

0x44

2

ORL direct,A

OR accumulator to direct byte

0x42

2

4

ORL direct,#data

OR immediate data to direct byte

0x43

3

4

XRL A,Rn

Exclusive OR register to accumulator

0x68-0x6F

1

2

XRL A,direct

Exclusive OR direct byte to accumulator

0x65

2

3

XRL A,@Ri

Exclusive OR indirect RAM to accumulator

0x66-0x67

1

3

XRL A,#data

Exclusive OR immediate data to accumulator

0x64

2

XRL direct,A

Exclusive OR accumulator to direct byte

0x62

2

4

XRL direct,#data

Exclusive OR immediate data to direct byte

0x63

3

4

CLR A

Clear accumulator

0xE4

1

CPL A

Complement accumulator

0xF4

1

2

RL A

Rotate accumulator left

0x23

1

RLC A

Rotate accumulator left through carry

0x33

1

RR A

Rotate accumulator right

0x03

1

RRC A

Rotate accumulator right through carry

0x13

1

SWAP A

Swap nibbles within the accumulator

0xC4

1

Table 4. Logic operations

2.2.3. BOOLEAN MANIPULATION

Mnemonic

Description

Code

Bytes Cycles

CLR C

Clear carry flag

0xC3

1

CLR bit

Clear direct bit

0xC2

2

4

SETB C

Set carry flag

0xD3

1

SETB bit

Set direct bit

0xD2

2

4

CPL C

Complement carry flag

0xB3

1

CPL bit

Complement direct bit

0xB2

2

4

ANL C,bit

AND direct bit to carry flag

0x82

2

3

ANL C,/bit

AND complement of direct bit to carry

0xB0

2

3

ORL C,bit

OR direct bit to carry flag

0x72

2

3

ORL C,/bit

OR complement of direct bit to carry

0xA0

2

3

MOV C,bit

Move direct bit to carry flag

0xA2

2

3

MOV bit,C

Move carry flag to direct bit

0x92

2

4

Table 5. Boolean manipulation

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