29 TUs by decreasing size in ACTORLIB
baddiesmgr.o: 2042
    spawn_enemy_with_param: 188
    usual_faint: 129
    reap_enemies_class_a: 121
    actor_check_recoil: 121
    push_player_in_front_of_actor: 111
    enqueue_self_at_home_if_far: 67
    actor_find_mate: 61
    compare_actor_dist_ay: 60
    enqueue_enemy: 54
    enqueue_self_if_far: 47
    enqueue_switch_y_item_down_a: 47
    boss_jingle_continue: 45
    setup_force_betty: 41
    actor_go_home: 35
    update_eye_hurt_flash: 34
    spawn_enemy_here: 33
    enqueue_actor_x: 32
    compare_actor_y_xdist: 32
    count_enemies_class_a: 31
    actor_pace_with_accel: 31
    spawn_enemy_here_with_param: 30
    actor_get_parent: 30
    actor_deal_aoe_damage: 26
    award_item_a_if_picked_up: 26
    walkcycle4_aframes: 25
    actor_get_home_dist: 25
    setup_gas_vent: 24
    setup_palette_x: 24
    find_enemy_class_a: 24
    actorlib_bank: 24
    spawn_linked_switch_enemy_here: 24
    actor_turn_if_facing_side: 23
    update_2_frame_faint_now: 22
    actor_turn_at_platform_end: 22
    self_destruct_if_switch_on: 20
    actor_turn_if_facing_wall: 20
    player_behind_actor: 17
    get_player_or_lure_xy: 17
    set_actor_param_to_switch_id: 16
    actor_turn_on_switch: 16
    actor_turn_off_switch: 16
    actor_dec_cooldown: 16
    get_right_wall_x: 15
    actor_inc_frame_every_a: 14
    actor_face_actor_y: 13
    actor_face_hero: 13
    actor_y_behind_actor: 13
    clc_every_a: 12
    actor_face_velocity: 11
    actor_near_right_wall_y: 11
    actor_is_far_from_player: 11
    actor_face_sign_a: 10
    actor_face_carry: 10
    actor_face_keys: 9
    actor_inc_frame_every_a_thru_y: 9
    setup_face_hero_no_hbx: 8
    setup_low_gravity: 8
    sd_if_linked_switch_on: 8
    setup_no_hitbox: 7
    setup_dysub_nonzero: 7
    update_2_frame_faint: 7
    setup_gas_vent_ufacing: 6
    setup_find_switch: 5
    player_face_velocity: 5
    setup_double_health: 4
    spawn_enemy: 4
    setup_alt_palette: 3
    find_switch_sd_if_on: 3
    update_2_frame_faint_with_dy: 3
    setup_null: 2
    enqueue_switch_y_item: 2
    actor_near_right_wall: 2
terrain.o: 1312
    slabproc_*: 388
    query_slab_map: 265
    sample_slabs_actor_offset_cb: 113
    read_terrain_around_actor_cb: 108
    query_slabs_ahead_of_actor: 99
    query_slabs_near_actor_cb: 83
    sample_slabs_from_query: 57
    floor_check: 52
    feet_within: 50
    floor_ceiling_x_check: 45
    sample_slabs_type: 23
    actor_to_slab_x_sign: 18
    ldy_facing_wall_depth: 11
actorclasses.o: 1002
    spawn_setup_procs: 204
    spawn_frame_sub: 204
    spawn_aclass_facing_health: 204
    class_points: 92
    bullet_dx: 44
    bullet_start_dy: 44
    bullet_moveclk: 44
    bullet_start_xoffset: 44
    bullet_start_yoffset: 44
    bulletgroup_start: 26
    bulletgroup_size: 26
    bulletgroup_lifetime: 26
bullets.o: 692
    bullets_update: 204
    aoe_bullet_test: 154
    make_bullet_group: 80
    bullet_x_place_hitbox: 67
    make_enemy_hitbox_actor_offset: 41
    count_bullets_type_a: 29
    make_nick_dizzy_bullet: 25
    make_enemy_hitbox_bullet: 17
    make_bullet_group_type_y: 16
    make_bullet_group_actor_x: 16
    make_tp_bullet: 14
    find_next_free_bullet: 9
    fire_bullet_group_y: 7
    make_boss_explosion_bullets: 4
    make_fireball_bullet: 4
    fire_bullet_group_y_rfacing: 3
    find_free_bullet: 2
player.o: 602
    warp_back_to_same_map: 214
    side_exit_check: 95
    damage_player: 95
    damage_player_dx: 87
    warp_check_y: 56
    player_add_knockfront: 21
    actor_below_map: 16
    warp_check_dirs: 5
    player_class_to_hurt_frame: 5
    player_class_to_faint_frame: 5
    player_add_knockback: 2
    warp_check_a: 1
physics.o: 391
    actor_update_fly_readmods: 82
    add_actor_dx: 37
    accel_actor_dy: 32
    actor_set_forward_dx: 31
    accelBrakeLimit_actor_dx: 24
    actor_move_dir_a_y_pixels: 24
    move_onto_actor_y: 21
    add_actor_dy: 20
    actor_update_fly_noclip: 20
    actor_update_fly_deadreckon: 18
    add_actor_yscr: 17
    brake_actor_dx: 12
    actor_update_fly_noclip_for_param: 11
    actor_move_down_y_pixels: 10
    actor_update_jump_if_dy_nonzero: 9
    actor_move_backward_y_pixels: 7
    actor_add_gravity: 3
    actor_update_jump_noclip_for_param: 3
    actor_update_jump_deadreckon: 3
    actor_update_jump: 3
    actor_update_fly: 2
    actor_move_forward_y_pixels: 2
aoe.o: 333
    aoe_circle_test_x: 131
    aoe_response_actor_x: 58
    aoe_circle_test_actor_offset: 41
    aoe_hypot_test: 35
    aoe_square_table: 32
    aoe_circle_test: 22
    aoe_new_player_attack: 14
Slack: 331
    __BLOCKINGCODE_slack__: 316
    __ACTORLIB_slack__: 15
transmissiondata.o: 256
    dte_replacements: 256
camera.o: 221
    update_camlook_only: 91
    set_camera_xoffset: 56
    increase_camera_target_y: 42
    update_camera_target_y: 29
    update_camlook: 3
warps.o: 144
    query_warps: 144
npcs.o: 128
    setup_npc: 49
    sprload_repair_self: 48
    npc_aclass_to_props: 24
    setup_buggy_betty_npc: 7
pickups.o: 120
    terrain_add_can_lids: 79
    setup_garbage_can: 34
    setup_athlete_card: 7
levels.o: 94
    set_timed_switch_y: 94
undte.o: 76
    dte_getchar: 64
    dte_begin_ay: 12
farrah_fossil.o: 76
    setup_farrah_fossil: 76
switchpos.o: 69
    switches_param: 69
indicators.o: 58
    actor_set_zip_pickup: 58
time_machine.o: 44
    setup_time_machine_kids: 38
    TM_area_to_map_area: 6
coversprites.o: 42
    load_muzzle_chr: 42
silent_sandy.o: 41
    setup_stu_spew: 41
crater_slime.o: 37
    setup_crater_slime_front: 25
    setup_crater_slime_back: 12
fryin_ryan.o: 21
    setup_fryin_ryan: 21
sy_clops.o: 18
    setup_sy_clops: 18
rolling_can.o: 13
    setup_bouncy_tire: 13
repeatplats.o: 11
    setup_temp_platform: 11
hot_scott.o: 9
    setup_hot_scott: 9
grim_jim.o: 8
    setup_grim_jim: 8
warpsdata.o: 1
    null_warps: 1

47 TUs by decreasing size in HOME
mapdecoding.o: 2099
    load_fqmap_0: 358
    attr_hstrip_update: 315
    attr_vstrip_update: 267
    nt_vstrip_update: 243
    nt_hstrip_update: 167
    load_map_to_smap_same_tilewnd: 157
    setup_decode8_vert: 145
    setup_decode8_horz: 144
    decode8: 92
    nt_draw_whole_screen: 64
    set_initial_tilewnd: 35
    seek_to_map_tile_xy: 34
    bg_make_nstripe_header: 28
    find_vram_row_y: 27
    load_map_to_smap: 19
    load_fqmap_ay_sub_x: 4
ft4stub.o: 2020
    zamples: 1856
    _Music_Update: 39
    pently_init: 38
    pently_start_music: 32
    Put_Music_Data_In: 21
    _Reset_Music2: 14
    _Reset_Fx: 12
    _Play_Fx: 4
    _Play_Fx_Important: 4
main.o: 1385
    main: 782
    handle_invalid_warp: 208
    process_warp: 149
    update_obj_palette_now: 44
    menu_present: 41
    pently_update_lag: 39
    pda_restore: 34
    warp_save_start: 19
    deduct_player_health: 19
    move_enemies: 15
    update_obj_palette: 12
    pda_present: 10
    menu_clear_oam_present: 8
    pently_bankswitch: 5
levels.o: 1178
    load_level: 447
    inc_daynight: 157
    load_bg_palette: 114
    check_hidden_spawn: 90
    nstripe_append_bg_palette: 87
    reload_bgloop: 71
    obpal_override_force: 36
    level_get_rexit_yoffset: 28
    level_get_map_ptr: 27
    load_strips_list: 22
    actorlib_update_morph: 19
    init_daynight: 19
    run_mapproc: 13
    obpal_reload: 12
    get_area_for_map: 11
    set_initial_morph: 8
    default_obj_palette: 7
    obpal_underride: 5
    obpal_override: 5
Slack: 997
    __RODATA_slack__: 749
    __DMC_slack__: 192
    __RESETCODE_slack__: 43
    __CODE_slack__: 13
actorclasses.o: 978
    obj_palette_data: 126
    aclass_move_procs_lo: 92
    aclass_move_procs_hi: 92
    aclass_move_procs_bank: 92
    aclass_collide_type: 92
    aclass_hurtbox_diameter: 92
    class_to_spritesheet: 92
    sheet_address_lo: 64
    sheet_address_hi: 64
    sheet_bank: 64
    sheet_num_pages: 64
    bullet_flags: 44
irq.o: 873
    irq_update_scroll_strips: 170
    irq_split: 111
    boss_irq_split: 111
    nmi_handler: 94
    irq_flip: 93
    irq_restart: 80
    boss_irq_update_scroll_strips: 64
    irq_init: 45
    irq_set_static_split: 37
    enable_boss_irq: 28
    irq_static_update_shake: 24
    irq_static_set_banks: 16
camera.o: 783
    prepare_bg_scroll: 254
    move_camera_cb: 238
    dec_camera_shake: 50
    update_palette_fade: 49
    morph_partial_repaint_map: 44
    camera_shake_table: 40
    morph_check_repaint: 34
    shot_shake: 18
    get_camera_shake: 17
    morph_partial_repaint: 12
    morph_repaint: 11
    set_initial_camera: 8
    move_camera: 8
spritevram.o: 758
    sprload_continue: 160
    sprload_to_sheet_slot: 98
    sprload_request_sheet: 60
    get_sheet_y_slot_bits: 44
    unload_unused_sheets: 40
    clear_spritecels: 39
    load_spritecels_pb8_pbsrc: 36
    sprload_find_actor_slots: 34
    load_8X_invtiles_to_A: 34
    load_utility_cels: 27
    sprload_loop: 26
    sprload_find_loaded_slots: 22
    sprload_ensure_sheet_y: 22
    popslide_bankswitch_blit: 21
    load_initial_sprite_vram: 18
    load_hero_cels: 14
    popslide_bankswitch2_blit: 14
    one_shl_x: 8
    popslide_vsync_blit: 6
    load_invtiles_to_2200: 6
    load_spritecels_pb8_ay: 4
    sprload_load_actor_class_y: 4
    sprload_ensure_actor_class_y: 4
    load_alphabet_to_2C00: 4
    sprload_load_sheet_y: 3
    sprload_to_slot_a: 3
    load_alphabet_to_1C00: 2
    load_alphabet_to_A: 2
    load_debughex: 1
    get_sheet_slot_bits: 1
    sprload_to_slot_y: 1
popslide64.o: 549
    popslide_nonrun_base: 256
    popslide_run_base: 189
    popslide_nextpacket: 37
    isrun: 13
    popslide_terminate_blit: 11
    popslide_done: 10
    popslide_clearbuf: 9
    popslide_blit: 9
    popslide_init: 8
    popslide_run_max: 6
    popslide_rts: 1
tilerot.o: 448
    update_tilerot_x_if_dirty: 206
    rot_update: 109
    update_dirty_palrots: 95
    rot_init: 20
    rot_y_seek_a: 18
terrain.o: 414
    actor_wall_eject: 131
    load_slab_map: 101
    load_enemy_list: 95
    skip_a_screen: 17
    query_slabs_near_actor: 16
    sample_slabs_actor_offset: 16
    read_terrain_around_actor_ht_a: 12
    bank_a_and_actorlib: 9
    slabsbank_and_actorlib: 6
    pop_bank_and_actorlib: 5
    load_slab_map_ay: 4
    read_terrain_around_actor: 2
bg.o: 388
    load_pbg0: 169
    load_pbg_to_smap: 72
    pbg_load_one_pattern_table: 52
    unpack_nametable_to_smap: 50
    screen_off_load_pbg: 39
    load_pbg_nt_x: 4
    load_pbg: 2
unpb8.o: 377
    load_shared_tiles: 239
    pbdec0_cb: 49
    pbdec_block_cb: 42
    pbdec_prefixed_block: 30
    pbdec_prefixed_block_xa: 7
    pbdec_prefixed_block_yxa: 7
    pbdec_block_banky: 3
title.o: 374
    show_publogo: 75
    show_diner_screen: 58
    show_big_title: 45
    show_earn_continues: 20
    show_thanks_for_playing: 20
    wait_y_vblanks_then_button: 19
    title_fade_init: 18
    logo_seq: 18
    show_difficulty_menu: 17
    show_gameover_screen: 17
    wait_y_vblanks_at_camy: 16
    title_fade_update: 16
    show_all_cards_certificate: 16
    title_fade_out: 10
    wait_y_vblanks: 5
    difficulty_to_max_health: 4
nstripe.o: 364
    nstripe_append_src_xy: 82
    nstripe_draw_rect: 81
    append_engine: 64
    nstripe_append_rightpad_to_ay: 53
    nstripe_append_xplus1_to_ay: 37
    nstripe_append_128_to_ay: 26
    nstripe_append_src: 7
    nstripe_append_xy: 4
    nstripe_append_tophi: 4
    nstripe_append: 2
    nstripe_append_yhi: 2
    nstripe_append_64_to_ay: 2
baddiesmgr.o: 236
    any_enemies_left: 37
    move_enemy_x: 37
    clear_loaded_enemies: 27
    check_enemy_queue: 19
    get_actor_y_x_div_8: 18
    get_actor_y_xy_div_8: 17
    count_dormant: 14
    count_dormant_spawn_a: 14
    save_last_damage_pos: 14
    runtime_red_alert: 12
    clear_enemy_queue: 11
    reap_actor_x: 10
    clear_enemies: 3
    get_actor_x_xy_div_8: 2
    move_dummy: 1
metasprite.o: 216
    find_window_for_sheet: 116
    find_front_prio_closest: 54
    set_obj_windows: 42
    find_window_for_class: 4
player.o: 204
    init_player: 94
    load_player_class_y: 63
    tag_out: 26
    add_to_score: 19
    player_is_in_back: 2
mapprocs.o: 157
    partmorph_set_feet: 91
    partmorph_set_rect: 61
    rtl_LEVELLOAD: 5
physics.o: 155
    accelBrakeLimit: 155
pda_main.o: 143
    print_score_at_xa: 28
    load_sheet_page_0: 25
    pr2dig: 20
    count_owned_cards: 15
    sprload_continue_anybank: 12
    pbdec_block_pda: 10
    pbdec_prefixed_pda: 10
    pda_main: 8
    power_card_ids_end: 7
    pda_load_digits: 4
    power_card_ids: 4
pda_inv.o: 135
    inv_give_a_of_item_y: 40
    inv_init: 36
    cap_satchel0: 24
    cap_satchel_end: 20
    inv_get_item_y_cap: 9
    inv_refill_item_y: 4
    inv_give_item_y: 2
attract.o: 132
    opening_update: 70
    ending_seq: 17
    setup_attract_enemies: 15
    opening_seq: 14
    setup_attract_pos: 8
    attract_update: 8
pads.o: 109
    read_pads: 76
    autorepeat: 33
init.o: 85
    reset_handler: 77
    mmc3init_values: 8
transmissions.o: 82
    show_transmission_a_keys_y: 73
    review_transmissions: 7
    show_transmission: 2
mmc3.o: 79
    mmc3_switch_vram_page_a_y: 30
    mmc3_banky: 22
    mmc3_restore_A000: 11
    mmc3_restore_bank: 10
    mmc3_rtl: 6
fireball.o: 76
    move_fireball: 76
rand.o: 73
    _rand: 58
    _srand: 15
ppuclear.o: 71
    ppu_clear_nt: 34
    ppu_screen_on: 21
    ppu_clear_oam: 16
save.o: 70
    load_save_tiles: 32
    save_exists: 8
    do_save: 8
    do_load: 8
    options_load_defaults: 8
    show_options_menu: 6
athlete_cards.o: 55
    athlete_card_value: 39
    inv_initial: 16
bcd.o: 53
    bcd8bit: 53
math.o: 46
    divaxbyy: 25
    mul8: 21
trading.o: 36
    show_trading: 25
    npc_cardset_reroll: 11
switches.o: 30
    switches_find_xy: 23
    switches_find_actor_x: 7
levelselect.o: 29
    pda_start_block: 23
    pda_load_block: 6
warps.o: 23
    set_warp_to_player_pos: 23
coversprites.o: 19
    init_cover_sprite: 19
pda_mapa.o: 17
    pda_clear_map_progress: 17
postboss.o: 16
    show_postboss_scene: 16
repeatplats.o: 14
    repeatplats_update: 14
bullets.o: 11
    bullets_init: 11
credits.o: 11
    show_credits: 11
fishing.o: 9
    show_fishing: 9
levelsections.o: 7
    area_first_map: 7