Process Control Instructions in 8086: The Process Control Instructions in 8086 are namely, STC CLC CMC STD CLD STI CLI STC Instruction : This instruction sets the carry flag, STC does not affect any other…
Program Execution Transfer Instructions in 8086 Microprocessor: The Program Execution Transfer Instructions in 8086 Microprocessor are namely a) Unconditional transfer instructions: CALL RET JMP J cond CALL Instruction : The CALL instruction is used to…
Rotate Instruction in 8086 with example: The Rotate Instruction in 8086 with example are namely ROL ROR RCL RCR ROL Instruction : ROL destination, count. This Rotate Instruction in 8086 with example all bits in…
Shift Instructions in 8086: The Shift Instructions in 8086 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…
Bit Manipulation Instructions in 8086(Logical Instructions): The Bit Manipulation Instructions in 8086 or Logical Instructions are NOT AND OR XOR TEST NOT Instruction : NOT destination. The NOT instruction inverts each bit of a byte…
Arithmetic Instructions in 8086: Arithmetic Instructions in 8086 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…
Data Transfer Instructions in 8086: The Data Transfer Instructions in 8086 are a) General Purpose Byte or Word Transfer Instructions: MOV PUSH POP XCHG XLAT MOV Instruction : MOV destination, source. The MOV instruction copies…
8086 Instruction Format: The 8086 Instruction 8086 Instruction Format vary from 1 to 6 bytes in length. Fig. 6.8 shows the instruction formats for 1 to 6 bytes instructions. As shown in the Fig. 6.8,…
8086 Addressing Modes: We have seen how the 8086 fetches code bytes from memory by generating 20-bit physical address with the help of IP and CS. We have also seen how the 8086 accesses the…
Internal Architecture of 8086: Fig. 6.2 shows a block diagram of Internal Architecture of 8086. It is internally divided into two separate functional units. These are the Bus Interface Unit (BIU) and the Execution Unit…
