CY8C3244LTI-123T Datasheet, PDF (14/128 Pages) Cypress Semiconductor – Programmable System-on-Chip (PSoC®)

PSoC^® 3: CY8C32 Family Data Sheet
4.3 Instruction Set
The 8051 instruction set is highly optimized for 8-bit handling and
Boolean operations. The types of instructions supported include:
 Arithmetic instructions
 Logical instructions
 Data transfer instructions
 Boolean instructions
 Program branching instructions
4.3.1 Instruction Set Summary
4.3.1.1 Arithmetic Instructions
Arithmetic instructions support the direct, indirect, register,
immediate constant, and register-specific instructions.
Arithmetic modes are used for addition, subtraction,
multiplication, division, increment, and decrement operations.
Table 4-1 lists the different arithmetic instructions.
Table 4-1. Arithmetic Instructions
Mnemonic
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
DIV
DAA
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
Add direct byte to accumulator with carry
Add indirect RAM to accumulator with carry
Add immediate data to accumulator with carry
Subtract register from accumulator with borrow
Subtract direct byte from accumulator with borrow
Subtract indirect RAM from accumulator with borrow
Subtract immediate data from accumulator 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 accumulator and B
Divide accumulator by B
Decimal adjust accumulator
Bytes
1
2
1
2
1
2
1
2
1
2
1
2
1
1
2
1
1
1
2
1
1
1
1
1
Cycles
1
2
2
2
1
2
2
2
1
2
2
2
1
2
3
3
1
2
3
3
1
2
6
3
Document Number: 001-56955 Rev. *Y
Page 14 of 128