8086 Instruction Set

8086 Instruction Set:

8086 Arithmetic Instructions : 8086 Arithmetic Instructions are follows a) Addition Instructions : ADD ADC INC AAA DAA ADD/ADC Instruction : ADD destination, source / ADC destination, source. These instructions add a number from source to a number from destination and 8086 Instruction Set …


8086 Bit Manipulation Instructions : The 8086 Bit Manipulation Instructions or Logical Instructions are NOT AND OR XOR TEST NOT Instruction : NOT destination. The NOT instruction inverts each bit of a byte or a word. The destination can be register …


8086 Data Transfer Instructions : The 8086 Data Transfer Instructions are a) General Purpose Byte or Word Transfer Instructions: MOV PUSH POP XCHG XLAT MOV Instruction : MOV destination, source. The MOV instruction copies a word or a byte of data from some source to …


8086 External Hardware Synchronization Instructions : The 8086 External Hardware Synchronization Instructions are namely HLT WAIT ESC LOCK NOP HLT Instruction : The HLT instruction will cause the 8086 to stop fetching and executing instructions. The 8086 will enter a halt state. The only …


8086 Processor Control Instruction : The 8086 Processor Control Instruction are namely, STC CLC CMC STD CLD STI CLI STC Instruction : This instruction sets the carry flag, STC does not affect any other flag. CLC Instruction : This instruction resets the carry flag to zero. CLC does …


8086 Program Execution Transfer Instructions: The 8086 Program Execution Transfer Instructions are namely a) Unconditional transfer instructions: CALL RET JMP J cond CALL Instruction : The CALL instruction is used to 8086 Program Execution Transfer Instructions to a subprogram or procedure. There are …


8086 Rotate Instructions : The 8086 Rotate Instructions are namely ROL ROR RCL RCR ROL Instruction : ROL destination, count. This 8086 Rotate Instructions all bits in a specified byte or word to the left some number of bit positions. MSB is placed …


8086 Shift Instructions : The 8086 Shift Instructions are follows SAL/SHL SHR SAR SAL/SHL Instruction : SAL/SHL destination, count. SAL and SHL are two mnemonics for the same instruction. This instruction shifts each bit in the specified destination to the left …


8086 String Instructions : The 8086 Instruction Set are namely, REP/REPE/REPZ/REPNE/REPNZ MOVS/MOVSB/MOVSN CMPS/CMPSB/CMPSW SCAS/SCASB/SCASW LODS/LODSB/LODSW STOS/STOSB/STOSW REP/REPE/REPZ/REPNE/REPNZ Instruction : REP is a prefix which is written before one of the 8086 Instruction Set. These instructions repeat until specified condition exists. MOVS/MOVSB/MOVSW Instruction : This instruction copies a …


8086 Instruction Set With Examples

Updated: April 29, 2020 — 4:54 pm