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Instruction Set Summary
Mnemonic
Arithmetic Operations
ADD
A,Rn
ADD
A,direct
ADD
A, @Ri
ADD
A,#data
ADDC A,Rn
ADDC A,direct
ADDC A, @Ri
ADDC A, #data
SUBB A,Rn
SUBB A,direct
SUBB A,@Ri
SUBB A,#data
INC
A
INC
Rn
INC
direct
INC
@Ri
DEC
A
DEC
Rn
DEC
direct
DEC
@Ri
INC
DPTR
MUL
AB
DIV
AB
DA
A
Semiconductor Group
Description
Add register to accumulator
Add direct byte to accumulator
Add indirect RAM to accumulator
Add immediate data to accumulator
Add register to accumulator with carry flag
Add direct byte to A with carry flag
Add indirect RAM to A with carry flag
Add immediate data to A with carry flag
Subtract register from A with borrow
Subtract direct byte from A with borrow
Subtract indirect RAM from A with borrow
Subtract immediate data from A with borrow
Increment accumulator
Increment register
Increment direct byte
Increment indirect RAM
Decrement accumulator
Decrement register
Decrement direct byte
Decrement indirect RAM
Increment data pointer
Multiply A and B
Divide A by B
Decimal adjust accumulator
*
209
Instruction Set
Byte
Cycle
1
1
2
1
1
1
2
1
1
1
2
1
1
1
2
1
1
1
2
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
2
1
4
1
4
1
1
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