:Labelcheck
0001: wait 100 ms
00D6: if 0
0256: player $PLAYER_CHAR defined
004D: jump_if_false ££Labelcheck
00D6: if 1
00E1: key_pressed 0 6
00E1: key_pressed 0 14
004D: jump_if_false ££Labelcheck
0002: jump ££Labelbrake

:Labelbrake
0001: wait 100 ms
03C1: $11 = player $PLAYER_CHAR car
02E3: $10 = car $11 speed
0015: $10 /= 2.0 ;; floating-point values
04BA: set_car $11 speed_instantly $10
00D6: if 0
8020: NOT $10 > 0 ;; floating-point values
004D: jump_if_false ££Labelcheck2
0002: jump ££Labelcheck2

:Labelcheck2
0001: wait 100 ms
00D6: if 1
80E1: NOT key_pressed 0 6
80E1: NOT key_pressed 0 14
004D: jump_if_false ££Labelcheck
0002: jump ££Labelcheck