LDA #$00			;\
CMP $187A			;|Check if riding yoshi
BEQ return			;/
LDA #$02			;\Give yoshi wings
STA $1410			;/
LDA $77             ;\
AND #$04			;|Doesn't work if not in air
BNE return			;/
LDA #$80			;\
CMP $007D			;|
BCC B				;|Check if your going down
LDA #$24			;|
CMP $007D			;|
BCS B				;/
LDA #$24			;\ if so, lower speed
STA $007D			;/
B:
LDA $16				;\
AND #$80			;|check if B is pressed
BEQ return			;/
LDA #$BF			;\ If so, fly
STA $007D			;/
return:
RTL