The ADD instruction tells the microcontroller’s CPU to add the source byte to register A and put the result in register A. Recall, A is the accumulator register typically used for all arithmetic and logic instructions.
The ADD instruction is … Read More
Every microcontroller family has its own set of instructions that are typically carried out in a similar set of operations though using different syntax. This is exhibited in the variation in the internal architecture of various types of microcontrollers. … Read More
The MOV instruction tells the CPU to move (in actual fact COPY) the source operand to the destination operand.
MOV destination, source ; copy source to destinationProgramming in assembly language requires that at least you understand the architecture of … Read More
Microprocessors perform various basic operations that include data transfer instructions, arithmetic instructions, logic instructions, control transfer instructions and machine control operations. This set of commands (instructions set) used to control the functions of a microprocessor is specific to a given … Read More
Software is the term used for the instructions that tells a microprocessor or microcontroller what to do. The collections of instructions that a microprocessor will recognize is its instruction set. The form of the instruction set depends on the … Read More
The programming model of a computer system refers to the assembly language programmer’s view of the system. From the programmer’s outlook, a computer is a collection of registers and memory for storing information, a set of instructions to manipulate data … Read More