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bfs.gcc
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main:
LD 0 0
CAR
CAR
LDF length_func
AP 1
LDC 1
SUB
LD 0 0
CAR
LDF length_func
AP 1
LDC 1
SUB
CONS
LDF step
CONS
RTN
;////////////////////////////////////////////////////////////////////////////////
length_func:
LDC 1
length_loop:
LDC 1
ADD
LD 0 0
CDR
ATOM
LD 0 0
CDR
ST 0 0
TSEL length_ret length_loop
length_ret:
RTN
;////////////////////////////////////////////////////////////////////////////////
dup:
LD 0 0
LD 0 0
RTN
;////////////////////////////////////////////////////////////////////////////////
swap:
LD 0 1
LD 0 0
RTN
;////////////////////////////////////////////////////////////////////////////////
get_nth_element_func:
LD 0 1
LDC 0
CEQ
LD 0 1
LDC 1
SUB
ST 0 1
TSEL get_nth_element_ret get_nth_element_continue
get_nth_element_continue:
LD 0 0
CDR
ST 0 0
LDC 1
LDC 1
CEQ
TSEL get_nth_element_func get_nth_element_ret
get_nth_element_ret:
LD 0 0
CAR
RTN
get_cell_func:
LD 0 0
LD 0 1
CDR
LDF get_nth_element_func
AP 2
LD 0 1
CAR
LDF get_nth_element_func
AP 2
RTN
;////////////////////////////////////////////////////////////////////////////////
valid_cell:
LD 0 0
LD 0 1
LDF get_cell_func
AP 2
LDC 0
CGT
RTN
;////////////////////////////////////////////////////////////////////////////////
finish_cell:
LD 0 0
LD 0 1
LDF get_cell_func
AP 2
LDC 2
DIV
LDC 1
CEQ
RTN
;////////////////////////////////////////////////////////////////////////////////
is_visited_func:
LD 0 0
ATOM
TSEL is_visited_not_found is_visited_main_loop
is_visited_main_loop:
LD 0 0
CAR
CAR
LD 0 1
CAR
CEQ
LD 0 0
CAR
CDR
LD 0 1
CDR
CEQ
MUL
LD 0 0
CDR
ST 0 0
TSEL is_visited_found is_visited_func
is_visited_not_found:
LDC 1
RTN
is_visited_found:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
adjacent_func:
LD 0 0
LD 0 2
CAR
LD 0 3
ADD
LD 0 2
CDR
LD 0 4
ADD
CONS
LDF valid_cell
AP 2
LD 0 1
LD 0 2
CAR
LD 0 3
ADD
LD 0 2
CDR
LD 0 4
ADD
CONS
LDF is_visited_func
AP 2
MUL
LDC 1
CEQ
TSEL adjacent_add adjacent_rtn
adjacent_add:
LD 0 2
CAR
LD 0 3
ADD
LD 0 2
CDR
LD 0 4
ADD
CONS
LDC 0
CONS
RTN
adjacent_rtn:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
concat_func:
LD 0 1
ATOM
TSEL concat_rtn concat_continue
concat_continue:
LD 0 1
CAR
LD 0 0
CONS
ST 0 0
LD 0 1
CDR
ST 0 1
LDC 1
LDC 1
CEQ
TSEL concat_func concat_rtn
concat_rtn:
LD 0 0
RTN
;////////////////////////////////////////////////////////////////////////////////
update_visited_func:
LD 0 1
update_visited_loop:
LD 0 0
LD 0 2
LD 0 1
CAR
LDC 0
LDC -1
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 0
LD 0 2
LD 0 1
CAR
LDC 1
LDC 0
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 0
LD 0 2
LD 0 1
CAR
LDC 0
LDC 1
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 0
LD 0 2
LD 0 1
CAR
LDC -1
LDC 0
LDF adjacent_func
AP 5
LDF concat_func
AP 2
LD 0 1
CDR
ST 0 1
LD 0 1
ATOM
TSEL update_visited_rtn update_visited_continue
update_visited_continue:
LDC 1
LDC 1
CEQ
TSEL update_visited_loop update_visited_rtn
update_visited_rtn:
RTN
;////////////////////////////////////////////////////////////////////////////////
check_finished_func:
LD 0 1
ATOM
TSEL check_finished_fail check_finished_continue
check_finished_continue:
LD 0 0
LD 0 1
CAR
LDF finish_cell
AP 2
LD 0 1
CDR
ST 0 1
LDC 1
CEQ
TSEL check_finished_ok check_finished_func
check_finished_ok:
LDC 1
RTN
check_finished_fail:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
bfs_func:
LD 0 0
LD 0 1
LDF check_finished_func
AP 2
LDC 1
CEQ
TSEL bfs_return_dist bfs_continue
bfs_continue:
LD 0 2
LDC 100
CGT
TSEL bfs_return_dist bfs_continue2
bfs_continue2:
LD 0 0
LD 0 1
LD 0 1
LDF update_visited_func
AP 3
ST 0 1
LD 0 2
LDC 1
ADD
ST 0 2
LDC 1
LDC 1
CEQ
TSEL bfs_func bfs_return_dist
bfs_return_dist:
LD 0 2
RTN
;////////////////////////////////////////////////////////////////////////////////
bfs_maybe_func:
LD 0 0
LD 0 1
LDF valid_cell
AP 2
LDC 1
CEQ
TSEL bfs_maybe_continue bfs_maybe_return
bfs_maybe_continue:
LD 0 0
LD 0 1
LDC 0
CONS
LDC 1
LDF bfs_func
AP 3
LD 0 2
CONS
LDC 0
CONS
RTN
bfs_maybe_return:
LDC 0
RTN
;////////////////////////////////////////////////////////////////////////////////
find_minimum_func:
LD 0 0
ATOM
TSEL find_minimum_ret find_minimum_continue
find_minimum_continue:
LD 0 2
LD 0 0
CAR
CAR
CGT
TSEL find_minimum_update_dist find_minimum_continue2
find_minimum_update_dist:
LD 0 0
CAR
CAR
ST 0 2
LD 0 0
CAR
CDR
ST 0 1
find_minimum_continue2:
LD 0 0
CDR
ST 0 0
LDC 1
LDC 1
CEQ
TSEL find_minimum_func find_minimum_ret
find_minimum_ret:
LD 0 1
RTN
;////////////////////////////////////////////////////////////////////////////////
step:
LDC 0
; dir0
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LD 0 1
CDR
CAR
CDR
CAR
CDR
LDC -1
ADD
CONS
LDC 0
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;dir1
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LDC 1
ADD
LD 0 1
CDR
CAR
CDR
CAR
CDR
CONS
LDC 1
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;dir2
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LD 0 1
CDR
CAR
CDR
CAR
CDR
LDC 1
ADD
CONS
LDC 2
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;dir3
LD 0 1
CAR
LD 0 1
CDR
CAR
CDR
CAR
CAR
LDC -1
ADD
LD 0 1
CDR
CAR
CDR
CAR
CDR
CONS
LDC 3
LDF bfs_maybe_func
AP 3
LDF concat_func
AP 2
;final_answer
LDC 0
LDC 100500
LDF find_minimum_func
AP 3
LDC 42
LDF swap
AP 2
CONS
RTN