Question

The Accumulator in 8085 Mp contains the data 78 H and register D contains data 33 H . What will be the content of accumulator after execution of SUB D instruction 
87 H

45 H

30 H

78 H

​

Answer 1

Answer:

Explanation:

1. Instruction Set of 8085

2. Instruction Set of 8085 An instruction is a binary pattern designed inside a microprocessor to perform a specific function. The entire group of instructions that a microprocessor supports is called Instruction Set.8085 has 246 instructions. Each instruction is represented by an 8-bit binary value. These 8-bits of binary value is called Op-Code or Instruction Byte.

3. Classification of Instruction Set Data Transfer Instruction  Arithmetic Instructions  Logical Instructions  Branching Instructions  Control Instructions