Programming for Microprocessors

Assembly

language

SI

This translation can be done automatically by a computer program

called an 'assembler'.

The elements of assembly language

Basically, an assembly language program is made up from a sequence of

characters. The lexicon used includes all the letters, all the decimal

digits,

the space, and various punctuation symbols like + —*/?#()

: , ; <> t I and . The program is written on a number of

lines.

A good

programmer will often add commentary to explain what the program

is doing, but the extra text is not part of the program

itself;

so to keep

it distinct, commentary is placed to the right of the symbol t, thus:

THIS IS t THIS I