Question

Explain Program counter.

Explain the following register in 8085 Micro-processor:

Program Counter

Answer 1

1. The program counter is a 16-bit register that functions as a pointer to the next executable instruction.
2. It always includes the 16-bit address of the memory location where the next executable instruction is stored.
3. The microprocessor utilizes this register to order the execution of instructions.
4. The PC is incremented automatically once the MPU receives a specific instruction.