Here is the list of Pokemon Emerald CODEBREAKER cheat codes:

Infinite Money Cheat:
83005E18 270F

Get Rare Candy:
82005274 0044 

TYPE THIS FIRST FOR EVERY CODE (with 3 digits anyway)
82005274 0xxx

Then substitute the last 3 digits accordingly:
001 - Master Ball
002 - Ultra Ball
003 - Great Ball
004 - Poke Ball
005 - Safari Ball
006 - Net Ball
007 - Dive Ball
008 - Nest Ball
009 - Repeat Ball
00A - Timer Ball
00B - Luxury Ball
00C - Premier Ball

MASTER CODE (To get following Pokemon)
00006FA7 000A
1006AF88 0007

(Only have 1 selected [along with Master Code] at a time or will not work.)
83007CF6 0191 - Regirock
83007CF6 0192 - Regice
83007CF6 0193 - Registeel
83007CF6 0197 - Latias
83007CF6 0198 - Latios
83007CF6 0194 - Kyogre
83007CF6 0195 - Groudon
83007CF6 0196 - Rayquaza
83007CF6 0199 - Jirachi
83007CF6 019A - Deoxys
83007CF6 00F9 - Lugia
83007CF6 00FA - Ho-Oh
83007CF6 00FB - Celebi
83007CF6 00F3 - Raikou
83007CF6 00F4 - Entei
83007CF6 00F5 - Suicune
83007CF6 0090 - Articuno
83007CF6 0091 - Zapdos
83007CF6 0092 - Moltres
83007CF6 0095 - Dragonite
83007CF6 0096 - Mewtwo
83007CF6 0097 - Mew
83007CF6 008E - Aerodactyl

Master Code (To get Shiny Pokemon)
00006FA7000A
1006AF880007

Shiny Code:
83007CE40021
83007CE60300
53000020000F
044800684589
808900042843
1860C0460148
0047905D0003
177C06080032