SJIS basics

So to explain SJIS simply, it's an emoticon system using bbcode.

>>5
First you must make sure you have something like IME to type out SJIS characters.
http://dis.4chan.org/read/sjis/1121753834/1
http://4-ch.net/ascii/kareha.pl/1104923197
Also, /sjis/ doesn't have a preview button, so you'll need some kind of an editor, or just use the "textart" previews on 4-ch

Next, you must study the masters

http://aa5.2ch.net/aasaloon/

And learn the characters

http://4-ch.net/ascii/kareha.pl/1112629846

Then I guess you just practice