def main(): # Set up address of slot 3, in slot 0. build_num_in_slot(3, 0) # Set up contents of slot 3. build_num_in_slot(50, 3) # Set up address of slot 255, in slot 1. build_num_in_slot(255, 1) # Set up contents of slot 255. build_num_in_slot(20, 255) init_slot_with_card(5, "succ") # Apply succ, in slot 5, to 50, in slot 3. Result should be 51, # and end up in slot 5. apply_slotX_to_slotY(5, 3, yaddr=0) init_slot_with_card(6, "dbl") # Apply dbl, in slot 6, to 20, in slot 255. Result should be 40, # and end up in slot 6. apply_slotX_to_slotY(6, 255, yaddr=1) # Build the applicative Y combinator in slot 30. Should touch # slots 0, 1, 30, 31, and 32. build_applicative_y(30) # The 'help target target amount' thing -- thanks, Jesse! build_num_in_slot(30, 1) build_num_in_slot(300,0) apply_slot(70, "help") apply_slotX_to_slotY(70, 1) apply_slotX_to_slotY(70, 1) apply_slotX_to_slotY(70, 0) gameloop()
def build_applicative_y(n): """ Build the applicative-order Y combinator into slot n. Warning: touches slots 0 and 1 as well as slots n, n+1, and n+2. Supposedly, what we're building is: ((S ((S (horace (greg I))) ((S (horace (june1 ((S (horace (june1 kelly))) kelly)))) (greg ian)))) ((S (horace (greg I))) ((S (horace (june1 ((S (horace (june1 kelly))) kelly)))) (greg ian))))) """ # Put (june1 kelly) in slot n. build_june1() copy(0, n) # move june1 to slot n build_kelly() apply_slotX_to_slotY(n, 0) # Put address of n in slot 0. build_num_in_slot(n, 0) # Put (horace (june1 kelly)) in slot n+1. build_horace(n+1) apply_slotX_to_slotY(n+1, n, yaddr=0) # Put (S (horace (june1 kelly))) in slot n+1. apply_card("S", n+1) # Put ((S (horace (june1 kelly))) kelly) in slot n+1. build_kelly() # always ends up in slot 0. apply_slotX_to_slotY(n+1, 0) # Put june1 in slot 0. build_june1() # Put address of n+1 in slot 1. build_num_in_slot(n+1, 1) # Put (june1 ((S (horace (june1 kelly))) kelly)) in slot 0. apply_slotX_to_slotY(0, n+1, yaddr=1) # Put horace in slot n. build_horace(n) # Put (horace (june1 ((S (horace (june1 kelly))) kelly))) in slot n. apply_slotX_to_slotY(n, 0) # Put (S (horace (june1 ((S (horace (june1 kelly))) kelly)))) in slot n. apply_card("S", n) # Put (greg ian) in slot 0. build_greg(0) build_ian(1) smash() # Put # ((S (horace (june1 ((S (horace (june1 kelly))) kelly)))) (greg ian)) # in slot n. apply_slotX_to_slotY(n, 0) # Put (greg I) in slot n+1. # It turns out (greg I) is equivalent to K! apply_card("put", n+1) apply_slot(n+1, "K") # Put (horace (greg I)) in slot n+2. build_horace(n+2) # Put address of n+1 in slot 1. build_num_in_slot(n+1, 1) apply_slotX_to_slotY(n+2, n+1, yaddr=1) # Put (S (horace (greg I))) in slot n+2. apply_card("S", n+2) # Put # ((S (horace (greg I))) # ((S (horace (june1 ((S (horace (june1 kelly))) kelly)))) (greg ian))) # in slot n+2. build_num_in_slot(n, 0) apply_slotX_to_slotY(n+2, n, yaddr=0) # Copy slot n+2 to slot n+1. copy(n+2, n+1) # Apply S to slot n+2, leaving the result in slot n+2. apply_card("S", n+2) # Apply contents of n+2 to contents of n+1, leaving the result in # slot n+2. #build_num_in_slot(n+1, 1) apply_slotX_to_slotY(n+2, n+1, yaddr=1) # Copy slot n+2 to slot n. copy(n+2, n)