Quiz on addressing modes, instruction formats, and assembler directives of 8086 and 8088. The 8086 microprocessor has eight types of instructions: Data transfer instructions: MOV, LDS Arithmetic instructions: ADD, ADC, SUB, SBB Logical instructions: AND, OR, XOR, NOT Rotate instructions: RCL, RCR, ROL, ROR String instructions: Handle string operations like movement, comparison, scan, load, and store Program execution transfer instructions (branch and loop instructions) Processor control instructions Iteration control instructions The 8086 instruction set is characterized by its... Show more Quiz on addressing modes, instruction formats, and assembler directives of 8086 and 8088. The 8086 microprocessor has eight types of instructions: Data transfer instructions: MOV, LDS Arithmetic instructions: ADD, ADC, SUB, SBB Logical instructions: AND, OR, XOR, NOT Rotate instructions: RCL, RCR, ROL, ROR String instructions: Handle string operations like movement, comparison, scan, load, and store Program execution transfer instructions (branch and loop instructions) Processor control instructions Iteration control instructions The 8086 instruction set is characterized by its versatility and efficiency, allowing programmers to write code for a wide range of applications. Instructions are encoded in binary format and organized into different categories based on their functionality. Here are some assembler directives for 8086: ASSUME: Informs the assembler the name of the logical segment to use for a specified segment EQU: Gives a name to a value or symbol ORG: Changes the starting offset address of the data PROC: Identifies the start of a procedure These directives are also called pseudo operations, which are not executable by the microprocessor. Show less
Quiz on addressing modes, instruction formats, and assembler directives of 8086 and 8088.
The 8086 microprocessor has eight types of instructions: Data transfer instructions: MOV, LDS Arithmetic instructions: ADD, ADC, SUB, SBB Logical instructions: AND, OR, XOR, NOT Rotate instructions: RCL, RCR, ROL, ROR String instructions: Handle string operations like movement, comparison, scan, load, and store Program execution transfer instructions (branch and loop instructions) Processor control instructions Iteration control instructions
The 8086 instruction set is characterized by its versatility and efficiency, allowing programmers to write code for a wide range of applications. Instructions are encoded in binary format and organized into different categories based on their functionality.
Here are some assembler directives for 8086: ASSUME: Informs the assembler the name of the logical segment to use for a specified segment EQU: Gives a name to a value or symbol ORG: Changes the starting offset address of the data PROC: Identifies the start of a procedure These directives are also called pseudo operations, which are not executable by the microprocessor.
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