What does CMA instruction do in 8085?

In 8085 Instruction set, logical type there is one complement instruction with the mnemonic CMA. It actually stands for “CoMplement the Accumulator”. It performs1’s complement operation on the current contents of Accumulator, and the result is stored back in the Accumulator replacing its previous contents.

What is the meaning of INR m instruction?

In 8085 Instruction set, INR is a mnemonic that stands for ‘INcRement’ and ‘R’ stands for any of the following registers or memory location M pointed by HL pair. R = A, B, C, D, E, H, L, or M. This instruction is used to add 1 with the contents of R. So the previous value in R will get increased by amount 1 only.

What is the hexadecimal code of CMA instruction?

Example –

Symbol	Hexadecimal Code
ISZ	6xxx	Exxx
CLA	7800
CLE	7400
CMA	7200

Which flag is affected by CMA instruction?

CMA does not affect flags. If you need to evaluate a logical condition on the result of CMA, you should use CPI 0 after CMA.

What is CMA function?

What does a CMA do, exactly? The role of Certified Management Accountants is to utilize their decision-making, planning, and performance management skills to provide expert advice and reporting. From there, they work to create and implement a financial strategy that will benefit their organization.

How much is the length of instructions CMA?

Note – The length of these instructions is 8-bit; each requires one memory location. The mnemonic is always followed by a letter (or two letters) representing the registers (such as A, B, C, D, E, H, L and SP).

What is the addressing mode of CMA instruction?

Implicit Addressing mode It is also called as Implied addressing mode. CMA instruction complements the content of the accumulator. No specific data or operand is mentioned in the instruction.

Which type of instruction does not affect the 8085 flag?

As there is no arithmetic or logical operation being performed, no flags are affected by data transfer instructions.

How much is the length of instruction CMA?