The X 86 Microprocessors: Architecture, Programming and Interfacing (8086 to Pentium) 2nd Edition by Pearson

19-22

THE

x86 MICROPROCESSORS

19.9 | The Instruction Set of 8051

Now, let us start the assembly language programming of 8051, by first understanding the

instruction set. The instructions can be divided into functional groups as follows:

i) Data transfer instructions

ii) Bit manipulation instructions

iii) Branch instructions

iv) Port manipulation instructions

v) Arithmetic instructions

vi) Logical instructions

vii) Call and return instructions

19.9.1 | Data Transfer Instructions

In any processor, moving data is of primary concern. There is a destination and a source

for the movement. Data is moved between registers, memory and ports. Table ...