im useing finalburn alpha how can i set the joystick axis as buttons in my .cfg file

[Joystick]
# Get codes from “jstest /dev/input/js0”
# from package “joystick”
A_1=3
B_1=1
X_1=2
Y_1=0
L_1=4
R_1=5
START_1=9
SELECT_1=8
#Joystick axis
JA_LR=0 ——————– I want to set these as buttons
JA_UD=1 ——————– for my directinals

LEFT_1= button 17
RIGHT_1= button 16
DOWN_1= button 0 <———something like this but how do i make it work?
UP_1= button 17