Question

Explain the following addressing mode of 8085 Microprocessor:

Register Indirect Addressing

Answer 1

1. In register indirect addressing, the address of the operand is contained in a register pair.
2. The H–L register pair is used to hold the 16-bit address of a memory location.
3. These instructions are usually 1-byte long.
4. For example, ADD M adds the data from the memory location pointed to by the H–L pair to the contents of the accumulator.