Five categories of 8085 instructions

 

 

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Logical instruction of 8085 Instruction Set of 8085 Classification of Instruction Set Logical Instructions AND, OR, XOR Logical Instructions 2. Instruction Set of 8085 ?An instruction is a binary pattern designed inside a microprocessor to perform a specific function. ?The entire group of 11. List out the five categories of the 8085 instructions. Give examples of the instructions for each group. Ans: A JMP instruction permanently changes the program counter. A CALL instruction leaves information on the stack so that the original program execution sequence can be resumed. A rotate instruction is a closed loop instruction. That is, the data moved out at one end is put back in at the other end. The shift instruction loses the Q. Mention the categories of instruction and give two examples for each category. The instructions of 8085 can be categorized into the following five. 8085 Microprocessor. Microprocessors and Microcontrollers/Architecture of Microprocessors. Lecture Notes. Program counter is a 16-bit register. Instruction Set • 8085 instruction set consists of the following instructions: • Data moving instructions. • These instructions can be classified into the following five functional categories: data transfer (copy) operations, arithmetic operations, logical operations The 8085 instruction set is classified into the following three groups according to word size: 1. One-word or 1-byte instructions 2. Two-word or Instruction sets are instruction codes to perform some task. It is classified into five categories. The 8085 instruction set can be classified into the following five functional headings. Includes the instructions that moves ( copies) data between registers or between memory locations and registers. The 8085 microprocessor is an 8-bit processor available as a 40-pin IC package and uses +5 V for power. It can run at a maximum frequency of 3 MHz. The 8085 Microprocessor is a first and perfect design microprocessor among all who was having all the operation features to use on a computer. Adding/subtracting instructions. The ADD and SUB instructions are used for add and subtract operations respectively. Functional categories. 8085 assembler directives. DS directive : the DS directive forces the assembler to reserve a specified number of consecutive bytes into the memory. Give examples of the instructions for each group. 1. Data transfer group - MOV, MVI, LXI. 2. Arithmetic group - ADD, SUB, INR. 3. Logical group -ANA, XRA, CMP. 4. Branch group - JMP, JNZ, CALL. 5. Stack I/O and Machine control group - PUSH, POP, IN, HLT. 8085 Instruction Sets (Detailed Description) 3. 8085 Instruction Sets (Summarized) Introduction The 8085 has 74 basic instructions and 246 total instructions. The instruction set 8085 was defined by the manufacturer INTEL CORPORATION. Each 8085 instruction has a one-byte (8-bit) operation It is classified into five categories. 8085 - Demo Programs Now, let us take a look at some program demonstrations using the above instructions ?. · Instruction Set of Intel 8085 Microprocessor An Instruction is a command given to the computer to perform a specified operation on given data. The Intel 8085 ("eighty-eighty-five") is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is a software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features. The Intel 8085 ("eighty-eighty-five") is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is a software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features. It is classified into five categories. Instruction Set of 8085 An instruction is a binary pattern designed inside a microprocessor to perform a specific function. Intel 8085 Instructions An instruction of a computer is a command given to the computer to perform a specified operation on Each instruction of the 8085 processor consists of one to five machine cycles. Figure 5-Pin diagram of 8085. ? ALE — Address Latch Enable: This is positive going pulse generated. In 8085, the instructions having 'I' letter fall under this. category.

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