Instruction Set of 8085

The instruc­tions fall into the following functional categories:

Data Transfer Croup:

The data transfer instructions move data between registers or between memory and registers.

MOV Move

MVI Move Immediate

LDA Load Accumulator Directly from Memory

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Pin Configuration of 8085

Introduction

In the previous articles we saw about the architecture of 8085 microprocessor. Now we have a rough idea about how the instructions, data's are transferred and processed in 8085 microprocessor. In this article let us discuss in detail about the various signals involved in transferring data and executing instructions in microprocessor.

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Architecture of 8085 microprocessor

Introduction

8085 microprocessor was introduced by Intel in the year 1976. This microprocessor is an update of 8080 microprocessor. The 8080 processor was updated with Enable/Disable instruction pins and Interrupt pins to form the 8085 microprocessor. Let us discuss the architecture of 8085 microprocessor in detail.

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