ID:803267
 
(See the best response by Murrawhip.)
Code:
mob
Login()
switch(input("What would you like to be?")in list("Ambulance","Pick-Up Truck","Generic Car","Delivery Truck","Van","Roadster","Jeep"))
if("Ambulance")
usr.icon='icons.dmi'
usr.icon_state="Ambulance"

usr.dir=NORTH
usr.loc=locate(10,1,1)
usr.upproc()
proc
upproc()
usr.y+=1
spawn(2)

usr.upproc()


Problem description: Is there any way to abolish the use of the down arrow key? (I don't want them to be able to go backwards.) I've messed with the Move() proc, but I can't get it right. Can someone give me a hint?

Best response
client/South() return 0