The instruction set of the 8051 family is directly related to a special function register called program status word (PSW). This special function register is able to provide the conditions of the processing of the last instruction performed, which is capable of changing it (only some instructions...
8051 Instruction sets 指令集 Instruction Set Summary of 8051 8051 Software Architecture:y Data memory: lower iRAM(00-7F), upper iRAM (80-FF), bit-addresable RAM (00-7F), SFR (80-FF),xRAM(0000-FFFF).y Code memory: iROM(0000-1FFF), xROM.y Registers: SFR, PC,y8 Addressing modes: ...
8051 / 8052 Instruction SetAuthor : Craig Steiner Source : 8052.com ACALL: Absolute Call ADD, ADDC: Add Accumulator (With Carry) AJMP: Absolute Jump ANL: Bitwise AND CJNE: Compare and Jump if Not Equal CLR: Clear Register CPL: Complement Register DA: Decimal Adjust DEC: Decrement Register...
8051 Instruction Set: DA Operation: DA Function: Decimal Adjust Accumulator Syntax: DA A Instructions OpCode Bytes Flags DA 0xD4 1 C Description: DA adjusts the contents of the Accumulator to correspond to a BCD (Binary Coded Decimal) number after two BCD numbers have been added by the ADD...
The following pages describe the 8051 instruction set. Instructions are listed in alphabetical order and each is divided into several sections: Description Describes the instruction's effect and describes any arguments. See Also Names related instruction
Range is +127/-128 bytes relative to the first byte of the following instruction Core8051 Instruction Set Details User's Guide 3 PC SP PSW C DPTR P + - / * | & ~ ^ || && ! < > <> = Table 1-3. Additional Notation Program Counter Stack Pointer Program Status Word Carry Flag ...
8051 / 8052 Microcontroller Instruction Set SWAP - Swap Accumulator Nibbles Operation:SWAP Function:Swap Accumulator Nibbles Syntax:SWAP A InstructionsOpCodeBytesCyclesFlags SWAP A0xC411None Description:SWAP swaps bits 0-3 of the Accumulator with bits 4-7 of the Accumulator. This instruction is identi...
Where can I find a copy of the 8051 instruction set? ANSWER There are a number of good places to find the 8051 instruction set. Refer to 8051 Instruction Set in the 8051 Instruction Set Manual. Peruse the Keil Device Database (http://www.keil.com/dd/) and check the data sheets of ...
machine language- a set of instructions coded so that the computer can use it directly without further translation machine code computer code,code- (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions ...
Also included is a Boolean processor performing the bit operations as set, clear, complement, jump-if-not-set, jump-if-set-and-clear and move to/from carry. Between any addressable bit (or its complement) and the carry flag, it can perform the bit operations of logical AND or logical ...