8 Bit Logical Rotational Instructions | 8085 Microprocessor

These instructions execute on the basis of the content of accumulator. When these instructions execute, the content of accumulator will shift by 1 bit either left or right as per the instruction. 1. RLC  no operand Instruction word size  ⇒   1 Byte Operation ⇒ When this instruction will execute the content of accumulator will shift (or rotate) … Read more

Machine Control Instructions | 8085 Microprocessor

1. NOP   no operand Instruction word size  ⇒   1 Byte Operation ⇒ When this instruction will execute microprocessor will not perform any task. It is used for the creation of delay. Addressing Mode ⇒ Implicit Addressing Mode   2. HLT   no operand Instruction word size  ⇒   1 Byte Operation ⇒ When this instruction will execute further increment of the program counter … Read more

Software Interrupts in 8085 Microprocessor

An interrupt is a signal to the processor, generated by hardware or software indicating an immediate attention needed by an event. In this article, we will learn about software interrupts. There is eight software interrupts in 8085 Microprocessor starting from RST 0 to RST 7. They allow the microprocessor to transfer program control from the main … Read more