Just saw this, i’m running an iPAC keyboard emulator mapped to a standard set of neo jeo arcade buttons (added dedicated buttons for coin). If you want to disable the escape function just add a # in front of that line. How do you plan to exit out of the emulator?
[Keyboard]
# Get codes from /usr/include/SDL/SDL_keysym.h
# Using default Mame key mapping
A_1=306 #LeftControl
B_1=32 #Space
X_1=308 #LeftAlt
Y_1=304 #LeftShift
L_1=122 #z
R_1=120 #x
START_1=49 #1
SELECT_1=53 #5
LEFT_1=276 #Left
RIGHT_1=275 #Right
UP_1=273 #Up
DOWN_1=274 #Down
<strong>QUIT=27 #Escape
</strong>#player 2 keyboard controls, disabled by default
A_2=97 #a
B_2=113 #q
X_2=115 #s
Y_2=119 #w
L_2=101 #e
R_2=116 #t
START_2=50 #2
SELECT_2=54 #6
LEFT_2=100 #d
RIGHT_2=103 #g
UP_2=114 #r
DOWN_2=102 #f