BK Cheats:
Check the block around 0x38CA68

0x00 Pointer to encoded cheat string
0x04 (2 bytes) cheat effect bitfield
0x06 (2 bytes) how far through the string Banjo currently is

Bottles Bonus Bitmask:

     NOBONUS Bit (must have active bit cleared?)
     |       Active? (doubles as BB1)
     |       | Gold Feathers
     |       | |Red Feathers
     |       | ||Blue Eggs
     |       | |||Grate open bit, also needs BB active
     V       V VVVV
0000 1111 1111 0000
     NWB5 4321

0x10 - BOTTLESBONUSONE
0x30 - BOTTLESBONUSTWO
0x50 - BOTTLESBONUSTHREE
0x90 - BOTTLESBONUSFOUR
0x110 - BOTTLESBONUSFIVE
0x210 - BIGBOTTLESBONUS
0x410 - WISHYWASHYBANJO

Strings found:

Block starts at 0x38CE50

BANJOKAZOOIE
BLUE EGGS
RED FEATHERS
GOLD FEATHERS
BOTTLES BONUS ONE
BOTTLES BONUS TWO
BOTTLES BONUS THREE
BOTTLES BONUS FOUR
BOTTLES BONUS FIVE
BIG BOTTLES BONUS
WISHY WASHY BANJO
NO BONUS
EIOOZAKOJNAB
BANJOKAZOOIE
CHEAT
NOW BANJO WILL BE ABLE TO SEE IT ON NABNUTS TABLE
THIS SECRET YOULL BE GRABBIN IN THE CAPTAINS CABIN
AMIDST THE HAUNTED GLOOM A SECRET IN THE BATHROOM
A DESERT DOOR OPENS WIDE ANCIENT SECRETS WAIT INSIDE
OUT OF THE SEA IT RISES TO REVEAL MORE SECRET PRIZES
DONT YOU GO AND TELL HER ABOUT THE SECRET IN HER CELLAR
NOW YOU CAN SEE A NICE ICE KEY WHICH YOU CAN HAVE FOR FREE
GO RIGHT ON THROUGH NOTE DOOR TWO
NOTE DOOR THREE GET IN FOR FREE
TAKE A TOUR THROUGH NOTE DOOR FOUR
USE THIS CHEAT NOTE DOOR FIVE IS BEAT
THIS TRICKS USED TO OPEN NOTE DOOR SIX
THE SEVENTH NOTE DOOR IS NOW NO MORE
YOU CAN GET WET FEET NOW CLANKERS JIGGY IS COMPLETE
THE JIGGYS FULL OFF YOU STOMP IN TO DINGY BUBBLEGLOOP SWAMP
THE JIGGYS DONE SO OFF YOU GO INTO FREEZEEZY PEAK AND ITS SNOW
GOBIS JIGGY IS NOW DONE TREK ON IN AND GET SOME SUN
THE JIGGYS NOW MADE WHOLE INTO THE MANSION YOU CAN STROLL
THE JIGGYS DONE SO TAKE A TRIP ON TO THE RUSTY BUCKET SHIP
CLICK CLOCK WOOD IS LOTS OF FUN GO ON IN THE JIGGYS DONE
LOTS OF GOES WITH MANY BANJOS
BANJO BEGS FOR PLENTY OF EGGS
NOW YOU CAN FLY HIGH IN THE SKY
A GOLDEN GLOW TO PROTECT BANJO
BOTH PIPES ARE THERE TO CLANKERS LAIR
YOULL CEASE TO GRIPE WHEN UP GOES A PIPE
THERES NOWHERE DANKER THAN IN WITH CLANKER
YOULL BE AMAZED NOW THE SWAMP PICCY GRILLE IS RAISED
DONT DESPAIR THE TREE JIGGY PODIUM IS NOW THERE
SHES AN UGLY BAT SO LETS REMOVE HER GRILLE AND HAT
ITS YOUR LUCKY DAY AS THE ICE BALL MELTS AWAY
NOW IN TO THE SWAMP YOU CAN STOMP
THEY CAUSE TROUBLE BUT NOW THEYRE RUBBLE
YOULL BE GLAD TO SEE THE SHOCK JUMP PAD
THIS COMES IN HANDY TO OPEN SOMEWHERE SANDY
WEBS STOP YOUR PLAY SO TAKE THEM AWAY
GRUNTY WILL CRY NOW YOUVE SMASHED HER EYE
YOU WONT BE SAD NOW YOU CAN USE THE FLY PAD
NOW YOU CAN GO AND TRUDGE IN THE SNOW
THE MANSION OF GHOSTS ARE NOW YOUR HOSTS
YOU WONT HAVE TO WAIT NOW THERES NO CRYPT GATE
THIS SHOULD GET RID OF THE CRYPT COFFIN LID
UP YOU GO WITHOUT A HITCH UP TO THE WATER LEVEL SWITCH
WHY NOT TAKE A TRIP INSIDE GRUNTYS RUSTY SHIP
THE GRILLE GOES BOOM TO THE SHIP PICTURE ROOM
ONCE IT SHONE BUT THE LONG TUNNEL GRILLE IS GONE
THIS ONES GOOD AS YOU CAN ENTER THE WOOD
AN ENERGY BAR TO GET YOU FAR
DONT BE A DUMBO GO SEE MUMBO
GIVE THE BEAR LOTS OF AIR