0x8156 - int  read_byte(int address)
0x8157 - int  read_short(int address)
0x8158 - int  read_int(int address)
0x8159 - string read_string(int address)

*0x81CF - void write_byte(int address, int value)
*0x81D0 - void write_short(int address, int value)
*0x81D1 - void write_int(int address, int value)
*0x821B - void write_string(int address, string value)

*0x81D2 - void call_offset_v0(int address)
*0x81D3 - void call_offset_v1(int address, int arg1)
*0x81D4 - void call_offset_v2(int address, int arg1, int arg2)
*0x81D5 - void call_offset_v3(int address, int arg1, int arg2, int arg3)
*0x81D6 - void call_offset_v4(int address, int arg1, int arg2, int arg3, int arg4)
*0x81D7 - int  call_offset_r0(int address)
*0x81D8 - int  call_offset_r1(int address, int arg1)
*0x81D9 - int  call_offset_r2(int address, int arg1, int arg2)
*0x81DA - int  call_offset_r3(int address, int arg1, int arg2, int arg3)
*0x81DB - int  call_offset_r4(int address, int arg1, int arg2, int arg3, int arg4)

0x815A - void set_pc_base_stat(int StatID, int value)
0x815B - void set_pc_extra_stat(int StatID, int value)
0x815C - int  get_pc_base_stat(int StatID)
0x815D - int  get_pc_extra_stat(int StatID)

0x815E - void set_critter_base_stat(object, int StatID, int value)
0x815F - void set_critter_extra_stat(object, int StatID, int value)
0x8160 - int  get_critter_base_stat(object, int StatID)
0x8161 - int  get_critter_extra_stat(object, int StatID)
0x8242 - void set_critter_skill_points(int critter, int skill, int value)
0x8243 - int  get_critter_skill_points(int critter, int skill)
0x8244 - void set_available_skill_points(int value)
0x8245 - int  get_available_skill_points
0x8246 - void mod_skill_points_per_level(int value)

0x81B4 - void set_stat_max(int stat, int value)
0x81B5 - void set_stat_min(int stat, int value)
0x81B7 - void set_pc_stat_max(int stat, int value)
0x81B8 - void set_pc_stat_min(int stat, int value)
0x81B9 - void set_npc_stat_max(int stat, int value)
0x81BA - void set_npc_stat_min(int stat, int value)

0x816B - int  input_funcs_available
0x816C - int  key_pressed(int dxScancode)
0x8162 - void tap_key(int dxScancode)
0x821C - int  get_mouse_x
0x821D - int  get_mouse_y
0x821E - int  get_mouse_buttons
0x821F - int  get_window_under_mouse

0x8163 - int get_year

0x8164 - bool game_loaded

0x8165 - bool graphics_funcs_available
0x8166 - int  load_shader(string path)
0x8167 - void free_shader(int ID)
0x8168 - void activate_shader(int ID)
0x8169 - void deactivate_shader(int ID)
0x816D - void set_shader_int(int ID, string param, int value)
0x816E - void set_shader_float(int ID, string param, float value)
0x816F - void set_shader_vector(int ID, string param, float f1, float f2, float f3, float f4)
0x81AD - int  get_shader_version
0x81AE - void set_shader_mode(int mode)
0x81B0 - void force_graphics_refresh(bool enabled)
0x81B1 - int  get_shader_texture(int ID, int texture)
0x81B2 - void set_shader_texture(int ID, string param, int texID)

0x816A - void set_global_script_repeat(int frames)
0x819B - void set_global_script_type(int type)
0x819C - int  available_global_script_types

0x8170 - bool in_world_map

0x8171 - void force_encounter(int map)
0x8229 - void force_encounter_with_flags(int map, int flags)
0x822A - void set_map_time_multi(float multi)

0x8172 - void set_world_map_pos(int x, int y)
0x8173 - int  get_world_map_x_pos
0x8174 - int  get_world_map_y_pos

0x8175 - void set_dm_model(string name)
0x8176 - void set_df_model(string name)
0x8177 - void set_movie_path(string filename, int movieid)

0x8178 - void set_perk_image(int perkID, int value)
0x8179 - void set_perk_ranks(int perkID, int value)
0x817A - void set_perk_level(int perkID, int value)
0x817B - void set_perk_stat(int perkID, int value)
0x817C - void set_perk_stat_mag(int perkID, int value)
0x817D - void set_perk_skill1(int perkID, int value)
0x817E - void set_perk_skill1_mag(int perkID, int value)
0x817F - void set_perk_type(int perkID, int value)
0x8180 - void set_perk_skill2(int perkID, int value)
0x8181 - void set_perk_skill2_mag(int perkID, int value)
0x8182 - void set_perk_str(int perkID, int value)
0x8183 - void set_perk_per(int perkID, int value)
0x8184 - void set_perk_end(int perkID, int value)
0x8185 - void set_perk_chr(int perkID, int value)
0x8196 - void set_perk_int(int perkID, int value)
0x8187 - void set_perk_agl(int perkID, int value)
0x8188 - void set_perk_lck(int perkID, int value)
0x8189 - void set_perk_name(int perkID, string value)
0x818A - void set_perk_desc(int perkID, string value)
0x8247 - void set_perk_freq(int value)

0x818B - void set_pipboy_available(int available)

0x818C - int  get_kill_counter(int critterType)
0x818D - void mod_kill_counter(int critterType, int amount)

0x818E - int  get_perk_owed
0x818F - void set_perk_owed(int value)
0x8190 - int  get_perk_available(int perk)

0x8191 - int  get_critter_current_ap(object critter)
0x8192 - void set_critter_current_ap(object critter, int ap)

0x8193 - int  active_hand
0x8194 - void toggle_active_hand

0x8195 - void set_weapon_knockback(object weapon, int type, int/float value)
0x8196 - void set_target_knockback(object critter, int type, int/float value)
0x8197 - void set_attacker_knockback(object critter, int type, int/float value)
0x8198 - void remove_weapon_knockback(object weapon)
0x8199 - void remove_target_knockback(object critter)
0x819A - void remove_attacker_knockback(object critter)

0x819D - void set_sfall_global(string/int varname, int/float value)
0x819E - int  get_sfall_global_int(string/int varname)
0x819F - float get_sfall_global_float(string/int varname)
0x822D - int  create_array(int element_count, int flags)
0x822E - void set_array(int array, any element, any value)
0x822F - any  get_array(int array, any element)
0x8230 - void free_array(int array)
0x8231 - int  len_array(int array)
0x8232 - void resize_array(int array, int new_element_count)
0x8233 - int  temp_array(int element_count, int flags)
0x8234 - void fix_array(int array)
0x8239 - int  scan_array(int array, int/float var)
0x8254 - void save_array(any key, int array)
0x8255 - int  load_array(any key)
0x8256 - int  array_key(int array, int index)
0x8257 - int  arrayexpr(any key, any value)

0x81A0 - void set_pickpocket_max(int percentage)
0x81A1 - void set_hit_chance_max(int percentage)
0x81A2 - void set_skill_max(int value)
0x81AA - void set_xp_mod(int percentage)
0x81AB - void set_perk_level_mod(int levels)

0x81C5 - void set_critter_hit_chance_mod(object, int max, int mod)
0x81C6 - void set_base_hit_chance_mod(int max, int mod)
0x81C7 - void set_critter_skill_mod(object, int max)
0x81C8 - void set_base_skill_mod(int max)
0x81C9 - void set_critter_pickpocket_mod(object, int max, int mod)
0x81CA - void set_base_pickpocket_mod(int max, int mod)

0x81A3 - int  eax_available
0x81A4 - void set_eax_environment(int environment)

0x81A5 - void inc_npc_level(int pid/string name)
0x8241 - int  get_npc_level(int pid/string name)

0x81A6 - int  get_viewport_x
0x81A7 - int  get_viewport_y
0x81A8 - void set_viewport_x(int view_x)
0x81A9 - void set_viewport_y(int view_y)

0x81AC - int  get_ini_setting(string setting)
0x81EB - string get_ini_string(string setting)

0x81AF - int  get_game_mode

0x81B3 - int  get_uptime

0x81B6 - void set_car_current_town(int town)

0x81BB - void set_fake_perk(string name, int level, int image, string desc)
0x81BC - void set_fake_trait(string name, int active, int image, string desc)
0x81BD - void set_selectable_perk(string name, int active, int image, string desc)
0x81BE - void set_perkbox_title(string title)
0x81BF - void hide_real_perks
0x81C0 - void show_real_perks
0x81C1 - int  has_fake_perk(string name/int extraPerkID)
0x81C2 - int  has_fake_trait(string name)
0x81C3 - void perk_add_mode(int type)
0x81C4 - void clear_selectable_perks
0x8225 - void remove_trait(int traitID)

0x81CB - void set_pyromaniac_mod(int bonus)
0x81CC - void apply_heaveho_fix
0x81CD - void set_swiftlearner_mod(int bonus)
0x81CE - void set_hp_per_level_mod(int mod)

0x81DC - void show_iface_tag(int tag)
0x81DD - void hide_iface_tag(int tag)
0x81DE - int  is_iface_tag_active(int tag)

0x81DF - int  get_bodypart_hit_modifier(int bodypart)
0x81E0 - void set_bodypart_hit_modifier(int bodypart, int value)

0x81E1 - void set_critical_table(int crittertype, int bodypart, int level, int valuetype, int value)
0x81E2 - int  get_critical_table(int crittertype, int bodypart, int level, int valuetype)
0x81E3 - void reset_critical_table(int crittertype, int bodypart, int level, int valuetype)

0x81E4 - int  get_sfall_arg
0x823C - array get_sfall_args
0x823D - void set_sfall_arg(int argnum, int value)
0x81E5 - void set_sfall_return(any value)
0x81EA - int  init_hook

0x81E6 - void set_unspent_ap_bonus(int multiplier)
0x81E7 - int  get_unspent_ap_bonus
0x81E8 - void set_unspent_ap_perk_bonus(int multiplier)
0x81E9 - int  get_unspent_ap_perk_bonus

0x81EC - float sqrt(float)
0x81ED - int/float abs(int/float)
0x81EE - float sin(float)
0x81EF - float cos(float)
0x81F0 - float tan(float)
0x81F1 - float arctan(float x, float y)
0x8263 - ^ operator (exponentiation)
0x8264 - float log(float)
0x8265 - float exponent(float)
0x8266 - int  ceil(float)
0x8267 - int  round(float)

0x81F2 - void set_palette(string path)

0x81F3 - void remove_script(object)
0x81F4 - void set_script(object, int scriptid)
0x81F5 - int  get_script(object)

0x81F6 - int  nb_create_char

0x81F7 - int  fs_create(string path, int size)
0x81F8 - int  fs_copy(string path, string source)
0x81F9 - int  fs_find(string path)
0x81FA - void fs_write_byte(int id, int data)
0x81FB - void fs_write_short(int id, int data)
0x81FC - void fs_write_int(int id, int data)
0x81FD - void fs_write_float(int id, int data)
0x81FE - void fs_write_string(int id, string data)
0x8208 - void fs_write_bstring(int id, string data)
0x8209 - int  fs_read_byte(int id)
0x820A - int  fs_read_short(int id)
0x820B - int  fs_read_int(int id)
0x820C - float fs_read_float(int id)
0x81FF - void fs_delete(int id)
0x8200 - int  fs_size(int id)
0x8201 - int  fs_pos(int id)
0x8202 - void fs_seek(int id, int pos)
0x8203 - void fs_resize(int id, int size)

0x8204 - int  get_proto_data(int pid, int offset)
0x8205 - void set_proto_data(int pid, int offset, int value)

0x8206 - void set_self(object)
0x8207 - void register_hook(int hook)

0x820D - int  list_begin(int type)
0x820E - int  list_next(int listid)
0x820F - void list_end(int listid)
0x8236 - array list_as_array(int type)

0x8210 - int  sfall_ver_major
0x8211 - int  sfall_ver_minor
0x8212 - int  sfall_ver_build

0x8213 - void hero_select_win(int)
0x8214 - void set_hero_race(int style)
0x8215 - void set_hero_style(int style)

0x8216 - void set_critter_burst_disable(object critter, int disable)

0x8217 - int  get_weapon_ammo_pid(object weapon)
0x8218 - void set_weapon_ammo_pid(object weapon, int pid)
0x8219 - int  get_weapon_ammo_count(object weapon)
0x821A - void set_weapon_ammo_count(object weapon, int count)

0x8220 - int  get_screen_width
0x8221 - int  get_screen_height

0x8222 - void stop_game
0x8223 - void resume_game
0x8224 - void create_message_window(string message)

0x8226 - int  get_light_level

0x8227 - void refresh_pc_art

0x8228 - int  get_attack_type

0x822B - int  play_sfall_sound(string file, int mode)
0x822C - void stop_sfall_sound(int soundID)

0x8235 - array string_split(string string, string split)
0x8237 - int  atoi(string string)
0x8238 - float atof(string string)
0x824E - string substr(string string, int start, int length)
0x824F - int  strlen(string string)
0x8250 - string sprintf(string format, any value)
0x8251 - int  charcode(string string)
0x8253 - int  typeof(any value)

0x823A - int  get_tile_fid(int tileData)

0x823B - int  modified_ini

0x823E - void force_aimed_shots(int pid)
0x823F - void disable_aimed_shots(int pid)

0x8240 - void mark_movie_played(int id)

0x8248 - object get_last_target(object critter)
0x8249 - object get_last_attacker(object critter)
0x824A - void block_combat(int enable)

0x824B - int  tile_under_cursor
0x824C - int  gdialog_get_barter_mod
0x824D - void set_inven_ap_cost(int cost)

0x825C - void reg_anim_combat_check(int enable)
0x825A - void reg_anim_destroy(object object)
0x825B - void reg_anim_animate_and_hide(object object, int animID, int delay)
0x825D - void reg_anim_light(object object, int radius, int delay)
0x825E - void reg_anim_change_fid(object object, int FID, int delay)
0x825F - void reg_anim_take_out(object object, int holdFrameID, int delay)
0x8260 - void reg_anim_turn_towards(object object, int tile/targetObj, int delay)

0x8261 - int  metarule2_explosions(object object)

0x8262 - void register_hook_proc(int hook, procedure proc)

0x826B - string message_str_game(int fileId, int messageId)
0x826C - int  sneak_success
0x826D - int  tile_light(int elevation, int tileNum)
0x826E - object obj_blocking_line(object objFrom, int tileTo, int blockingType)
0x826F - object obj_blocking_tile(int tileNum, int elevation, int blockingType)
0x8270 - array tile_get_objs(int tileNum, int elevation)
0x8271 - array party_member_list(int includeHidden)
0x8272 - array path_find_to(object objFrom, int tileTo, int blockingType)
0x8273 - object create_spatial(int scriptID, int tile, int elevation, int radius)
0x8274 - int  art_exists(int artFID)
0x8275 - int  obj_is_carrying_obj(object invenObj, object itemObj)

0x8276 - any  sfall_func0(string funcName)
0x8277 - any  sfall_func1(string funcName, arg1)
0x8278 - any  sfall_func2(string funcName, arg1, arg2)
0x8279 - any  sfall_func3(string funcName, arg1, arg2, arg3)
0x827A - any  sfall_func4(string funcName, arg1, arg2, arg3, arg4)
0x827B - any  sfall_func5(string funcName, arg1, arg2, arg3, arg4, arg5)
0x827C - any  sfall_func6(string funcName, arg1, arg2, arg3, arg4, arg5, arg6)

0x827D - void register_hook_proc_spec(int hook, procedure proc)
0x827E - void reg_anim_callback(procedure proc)

0x827F - div operator (unsigned integer division)

0x8280 - any  sfall_func7(string funcName, arg1, arg2, arg3, arg4, arg5, arg6, arg7)
0x8281 - any  sfall_func8(string funcName, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8)

* These functions require AllowUnsafeScripting to be enabled in ddraw.ini