This means that every sound in Keen has a unique adress and prefix. Switching the prefix will make the sound change to another sound.
So if we wanted the exit sound to be the same as the highscore sound:
#Foob uses Garg sound
%patch $13C90 $44 $1D $FA
Where we use the Foob sound offset but the Garg attack sound 3-bit prefix.
All sounds shown have the prefix they usually use, so its easy to swap 'em.
Code: Select all
#Keen walk on map
%patch $13A80 $00 $04 $80
#Keen blocked on map
%patch $13A90 $1A $04 $C8
#Keen enters a level
%patch $13AA0 $2A $04 $FF
#Keen walking
%patch $13AB0 $08 $05 $80
#Keen blocked by wall
%patch $13AC0 $0E $05 $C8
#Keen jump
%patch $13AD0 $22 $05 $80
#Keen lands on ground
%patch $13AE0 $4E $05 $80
#Keen dies
%patch $13AF0 $72 $05 $FF
#Keen get points
%patch $13B00 $30 $07 $BE
#Keen gets an item
%patch $13B10 $7E $07 $BE
#Keen gets a spaceship part
%patch $13B20 $22 $08 $FF
#Keen shoots
%patch $13B30 $E0 $09 $C8
#Keen pogo
%patch $13B40 $58 $0A $A0
#Keen pogo high
%patch $13B50 $8E $0A $B4
#Exit sound
%patch $13B60 $CC $0A $FF
#Game over!
%patch $13B70 $B0 $0C $FF
#Hiscore sound
%patch $13B80 $E2 $0E $FF
#Teleport
%patch $13B90 $8C $0F $FA
#Icecube smash
%patch $13BA0 $48 $11 $C8
#Odd beepy sound
%patch $13BB0 $A2 $12 $FA
#Bump head
%patch $13BC0 $3C $13 $96
#Use key sound
%patch $13BD0 $5A $13 $FA
#Ice cannon fires
%patch $13BE0 $4C $14 $80
#Slam [Keen hits ground hard]
%patch $13BF0 $D2 $14 $FA
#Click [switch]
%patch $13C00 $4C $15 $FA
#Crystal [Cool sound]
%patch $13C10 $64 $15 $FF
#Keen 'plummets'
%patch $13C20 $90 $16 $80
#Xtra Keen
%patch $13C30 $7E $17 $FF
#Yorp/robot bumps Keen
%patch $13C40 $B8 $19 $FA
#Second Keen walking sound
%patch $13C50 $D0 $19 $80
#Yorp stunned
%patch $13C60 $D8 $19 $C8
#get a keycard
%patch $13C70 $72 $1A $F0
#Door opens
%patch $13C80 $9C $1B $E6
#Yorp dies
%patch $13C90 $AE $1C $FA
#Garg dies
%patch $13CA0 $44 $1D $FA
#Out of ammo
%patch $13CB0 $08 $1E $C8
#Keens shot hits a wall
%patch $13CC0 $20 $1E $C8
#Robot shoots
%patch $13CD0 $52 $1E $C8
#Vorticon dies
%patch $13CE0 $B0 $1E $FF
#Keen frozen
%patch $13CF0 $36 $20 $C8
#Keens Left sound [after dying]
%patch $13D00 $66 $21 $FF
#ANKH
%patch $13D10 $6A $22 $FF
#Meep [oddly, blank, use Yorp death]
%patch $13D20 $FA $23 $C8
#Keen meets Mort
%patch $13D30 $40 $25 $FF
#Boss foot hit ground
%patch $13D40 $A0 $27 $FA
#Unamed
%patch $13D20 $20 $29 $01