global {
	outputname "defender.ca65";
	inputname "defender.rom";
	startaddr $8000;
	cpu "6502";
	comments 4;
};

# code addresses
label { name "init_cart"; addr $8000; comment "cart_a_start points here. copy-protection setup prevents the game from starting if it's been >= 256 jiffies (~4 sec) since cold or warm start"; };
label { name "rtclok_ok"; addr $800b; };
label { name "init_work_ram"; addr $a268; };
label { name "start_game"; addr $8100; comment "..."; };
label { name "show_game_type"; addr $811f; comment "draw the text for e.g. ONE PLAYER EASY"; };
label { name "sgt_nextchar"; addr $813d; };
label { name "sgt_done"; addr $8147; };
label { name "draw_title_text"; addr $8259; comment "draw the text for DEFENDER/SELECT GAME AND PRESS THE START BUTTON"; };
label { name "draw_demo_text"; addr $895c; comment "draw the text for DEFENDER c 1982 ATARI, during the demo game"; };
label { name "ddt_draw"; addr $8963; };
label { name "ddt_nextchar"; addr $8980; };
label { name "ddt_done"; addr $898b; };
label { name "dtt_lo"; addr $8267; comment "lda #<title_text"; };
label { name "dtt_hi"; addr $826b; comment "lda #>title_text"; };
label { name "dtt_loop"; addr $8271; };
label { name "dtt_color"; addr $8279; comment "multicolor support. bytes with $Fn in the message set the color mask to nn."; };
label { name "dtt_print"; addr $8288; };
label { name "dtt_inc_ptr"; addr $828b; };
label { name "dtt_done"; addr $8294; };
label { name "read_consol"; addr $baa0; comment "see if start or select are pressed, set flags"; };
label { name "start_pressed"; addr $bac6; comment "user pressed start key, ignore if game is playing & not paused"; };
label { name "consol_done"; addr $bab4; comment "several code paths jump here instead of doing their own RTS"; };
label { name "ignore_start"; addr $bad1; comment "don't handle start key while game is playing & not paused"; };
label { name "handle_select"; addr $babc; };
label { name "select_pressed"; addr $bab5; comment "user pressed select key, ignore if game is playing & not paused"; };
label { name "vkeybd_handler"; addr $ba6d; comment "stuffed into VKEYBD in setup_vectors"; };
label { name "vkeybd_finish"; addr $ba98; comment "reset debounce counter and exit"; };
label { name "check_key_code"; addr $ba76; comment "keypress is debounced, see which key was hit"; };
label { name "esc_pressed"; addr $ba8f; comment "toggle pause mode, when game is playing"; };
label { name "space_pressed"; addr $ba89; comment "detonate smart bomb if any left, when game is playing"; };
label { name "other_key_pressed"; addr $ba83; comment "neither space nor esc was pressed. either some other key, or no key ($ff)"; };
label { name "dli_handler"; addr $ba46; comment "stuffed into VDSLST in setup_vectors"; };
label { name "top_dli_handler"; addr $ba59; comment "handle first DLI (VCOUNT == $10)"; };
label { name "bottom_dli_handler"; addr $ba4e; comment "handle 2nd DLI (VCOUNT == $6F)"; };
label { name "update_sound"; addr $8d27; comment "this is for 'event' sounds like explosions, not the 'drone' nor the engine noise"; };
label { name "us_ok"; addr $8d33; };
label { name "us_done"; addr $8d4a; };
label { name "ram_self_destruct_1"; addr $b47f; comment "copy protection, causes game to crash next time the player gets killed. called from several places in the code."; };
label { name "smartbomb_check"; addr $8b8a; comment "see if player pressed the space bar (spacebar_flag >= $80)"; };
label { name "ram_self_destruct_2"; addr $8b8e; comment "copy protection. if we're running from RAM, cause game to jump to the title screen, then refuse to start"; };
label { name "rom_ok"; addr $8ba3; comment "if we get here, we're running from ROM"; };
label { name "smartbomb_yes"; addr $8ba4; comment "see if we have any bombs left, if so, detonate"; };
label { name "clear_screen"; addr $b8a1; comment "zero out $2218 - $4017 (screen actually ends at $3fc7). the only place where ram above $3fff is accessed (written to, never read, so it's OK on a 16K Atari)"; };
label { name "next_level"; addr $83c9; comment "notice the check against $64? that's why we get stuck on level 99 over & over again"; };
label { name "level_ok"; addr $83d7; comment "ramp up the speed on odd-numbered levels"; };
label { name "set_game_type"; addr $80e6; };
label { name "update_title_colors"; addr $809a; comment "rotate colors"; };
label { name "update_title_sfx"; addr $80a6; comment "alter the drone sound's pitch"; };
label { name "tsi_show_gt"; addr $8092; };
label { name "tsi_wait_to_draw"; addr $8095; };
label { name "tsi_delay"; addr $80c8; };
label { name "tsi_check_start"; addr $80b7; };
label { name "title_screen_idle"; addr $8078; comment "play & fade the drone while we wait for the user to press select or start"; };
label { name "tsi_text"; addr $808f; comment "play & fade the drone while we wait for the user to press select or start"; };
label { name "init_title_screen"; addr $8031; };
label { name "init_drone"; addr $8d79; comment "start the drone sound you hear at the title screen & when starting/ending a level. Also silence channel 2 (the engine noise). In BASIC this would be: SOUND 1,0,0,0:SOUND 2,255,10,15:SOUND 3,254,10,15"; };
label { name "game_on"; addr $8369; comment "called when start button is pressed from title screen or pause mode"; };
label { name "protection_ok"; addr $811c; };
label { name "init_hardware"; addr $b889; };
label { name "init_screen_ptrs"; addr $b902; };
label { name "_isp_loop"; addr $b90e; };
label { name "fill_offset_index_table"; addr $b937; comment "fill $1a00-$1aff with repeating pattern 00 01 02 03 ..."; };
label { name "fill_pixel_mask_table"; addr $b94a; };
label { name "fill_hoffset_table"; addr $b95a; comment "fill horizontal offset table (if that's what it really is): 00 00 00 00 01 01 01 01 ... to 27 27 27 27, which repeats to the end of the page"; };
label { name "setup_display_list"; addr $b97d; comment "create display list at dlist_ram"; };
label { name "setup_vectors"; addr $b9d8; };
label { name "out_of_lives"; addr $b70e; };
label { name "player_died_same_level"; addr $b6cf; };
label { name "player_died_next_level"; addr $b6c1; comment "player collided with last enemy, cleared the level, but died"; };
label { name "start_player_death"; addr $b64c; comment "explosion animation, then bookkeeping"; };
label { name "flash_ship"; addr $b65c; comment "flash the ship's colors just before it explodes"; };
label { name "flash_wait_1"; addr $b660; };
label { name "flash_wait_2"; addr $b66f; };
label { name "flash_wait_3"; addr $b673; };
label { name "play_event_sound"; addr $8d4b; comment "play the sound pointed to by Y:A (lsb:msb), if another sound isn't already in progress (X is a priority I think)"; };
label { name "priority_ok"; addr $8d59; };
label { name "sound_not_busy"; addr $8d58; };
label { name "play_planet_explode"; addr $8e78; };
label { name "play_ship_died"; addr $8e6a; };
label { name "play_extra_life"; addr $8e5c; };
label { name "play_smartbomb"; addr $8e4e; };
label { name "play_distress"; addr $8e40; };
label { name "play_materialize"; addr $8e32; };
label { name "play_human_died"; addr $8e24; };
label { name "play_rescued"; addr $8e16; };
label { name "play_fall"; addr $8e08; };
label { name "play_lander_fire"; addr $8dfa; };
label { name "play_swarmer_taunt"; addr $8dec; };
label { name "play_mutant_taunt"; addr $8dde; };
label { name "play_pod_died"; addr $8dd0; };
label { name "play_baiter_died"; addr $8dc2; };
label { name "play_lander_died"; addr $8db4; };
label { name "play_swarmer_died"; addr $8da6; };
label { name "play_player_fire"; addr $8d98; };
label { name "play_silence"; addr $8d68; };
label { name "check_hyperspace"; addr $8881; comment "did the player press a key to use hyperspace?"; };
label { name "hyperspace_pressed"; addr $8886; comment "yes, he did"; };
label { name "hsp_loop"; addr $8899; };
label { name "hsp_check_demo"; addr $88ae; comment "don't ever kill the 'player' in demo mode (game_type==0)";  };
label { name "check_hyperspace_fatal"; addr $88b2; comment "kill player if RANDOM >= $AA (in other words, 33% of the time!)";  };
label { name "hsp_done"; addr $88bc; };
label { name "animate_starfield"; addr $a832; comment "XXX don't know how this works yet"; };
label { name "hyperspace_implosion"; addr $97e7; comment "looks like the ship explosion, but in reverse"; };
label { name "ship_explosion"; addr $97d9; comment "particles"; };
label { name "init_splosion"; addr $97f7; comment "calculate (ex|im)plosion particles for the player ship"; };
label { name "animate_explosion"; addr $9830; };
label { name "ae_loop"; addr $983d; };
label { name "animate_implosion"; addr $9868; };
label { name "ai_loop"; addr $9875; };
label { name "animate_splosion"; addr $9895; comment "called multiple times by animate_(im|ex)plosion. uses particles set up by init_splosion"; };
label { name "as_done"; addr $9961; };
label { name "is_loop"; addr $97f9; };
label { name "clear_scanner_draw_planet_and_humans"; addr $9e5e; comment "XXX don't know how this works yet"; };
label { name "draw_scanner_border_and_planet"; addr $9fb1; comment "XXX don't know how this works yet (the planet in the scanner here!)"; };
label { name "add_cursprite_points"; addr $a7ae; comment "add points to score based on what kind of enemy we killed. does not include points for rescued humans nor end-of-level bonus."; };
label { name "add_points"; addr $a7b2; comment "this entry point takes a sprite type in A, used for end-of-level bonus (and...?)"; };
label { name "draw_scores"; addr $9442; comment "draw score digits in the HUDs for both players (but not lives nor smartbombs)"; };
label { name "dsc_ok"; addr $9458; };
label { name "draw_score_2p"; addr $93e2; comment "draw current player's score in 2p mode. does nothing in 1p mode!"; };
label { name "ds2p_p1"; addr $9426; comment "draw player 1's score since he's the current player"; };
label { name "ds2_ok"; addr $93f8; };
label { name "print_number"; addr $9483; comment "print number in A, at current cursor pos. range 0-99 (0-$63). does division by 10. suppress leading zeroes if leading_zero_flag is clear."; };
label { name "pn_div10"; addr $9488; };
label { name "pn_div10_loop"; addr $948d; };
label { name "pn_draw"; addr $94b5; };
label { name "pn_skip"; addr $94b8; };
label { name "pn_div10_ok"; addr $949e; };
label { name "clear_score"; addr $93bc; comment "print 7 spaces over the current player's score. used to flash the score of the current player"; };
label { name "fs_set_y"; addr $93d2; };
label { name "fs_next_char"; addr $93d9; };
label { name "fs_done"; addr $93e1; };
label { name "copy_code_to_ram"; addr $a291; comment "copy is done because the code is self-modifying"; };
label { name "clr_ram_sprites_loop"; addr $a2aa; };
label { name "crsl_ok"; addr $a2b4; };
label { name "copy_ram_sprites_loop"; addr $a2c0; };
label { name "draw_sprite_left"; addr $aa7b; comment "draw left half of ship, enemy, projectile, bomb, human. copied to RAM at draw_sprite_left_copy and called there."; };
label { name "dsl_selfmod_lo"; addr $aa80; comment "modify operands of (the RAM copies of) instructions marked with HERE"; };
label { name "dsl_selfmod_hi"; addr $aa89; comment "modify operands of (the RAM copies of) instructions marked with HERE"; };
label { name "dsl_HERE_1"; addr $aabd; comment "operand gets modified"; };
label { name "dsl_HERE_2"; addr $aac7; comment "operand gets modified"; };
label { name "dsl_loop"; addr $aaaf; };
label { name "draw_sprite_right"; addr $aad7; comment "draw right half of ship, enemy, projectile, bomb, human. copied to RAM at draw_sprite_right_copy and called there."; };
label { name "dsr_selfmod_lo"; addr $aadc; comment "modify operands of (the RAM copies of) instructions marked with HERE"; };
label { name "dsr_selfmod_hi"; addr $aae5; comment "modify operands of (the RAM copies of) instructions marked with HERE"; };
label { name "dsr_HERE_1"; addr $ab13; comment "operand gets modified"; };
label { name "dsr_HERE_2"; addr $ab1d; comment "operand gets modified"; };
label { name "dsr_loop"; addr $ab05; };
label { name "draw_sprite_left_copy"; addr $1f00; size 128; comment "self-modifying RAM copy of draw_sprite_left"; };
label { name "draw_sprite_right_copy"; addr $1f80; size 128; comment "self-modifying RAM copy of draw_sprite_right"; };
label { name "read_trigger"; addr $861c; comment "TRIG0 or 1 depending on which player is playing"; };
label { name "store_trigger"; addr $8628; };
label { name "handle_trigger"; addr $99d0; comment "trigger was pressed, decide what (if anything) to do about it"; };
label { name "check_shot_table"; addr $99d4; comment "look for an empty slot. if the table is full (4 shots in progress, ignore this trigger press. otherwise, Y is the byte index of the empty slot ($00, $04, $08, or $0c)."; };
label { name "shoot"; addr $99e6; comment "fire player's laser in the direction he's facing"; };
label { name "delta_right"; addr $9a09; comment "delta for shot = 2"; };
label { name "delta_left"; addr $9a0e; comment "delta $FE aka -2"; };
label { name "shot_right"; addr $99f6; comment "start position for right-facing shot"; };
label { name "shot_left"; addr $99fc; comment "start position for left-facing shot"; };
label { name "set_start_pos"; addr $99ff; comment "set start and end to same pos"; };
label { name "set_delta"; addr $9a10; };
label { name "update_player_shots"; addr $9a17; comment "move and draw player shots. remove from table if they reach the end of the screen"; };
label { name "ups_found"; addr $9a2e; };
label { name "ups_store_x"; addr $9a48; };
label { name "ups_done"; addr $9a7f; };
label { name "ups_erase"; addr $9a80; };
label { name "start_explosion"; addr $9c1a; comment "enemy or humanoid explosions, *not* the player's ship"; };
label { name "smartbomb_flash"; addr $9c0d; comment "flash screen when bomb goes off (whether any enemies are on screen or not)"; };
label { name "sbf_loop"; addr $9c0f; };
label { name "spawn_sprite"; addr $abed; comment "XXX does this apply to humanoids too?"; };
label { name "nl_wtf"; addr $83cb; comment "this branch should never be taken (means level was $FF, but it's clamped to $63 below)"; };
label { name "nl_drone"; addr $83ea; };
label { name "nl_next_stars"; addr $83f8; };
label { name "nl_delay"; addr $8414; };
label { name "level_cleared"; addr $8427; comment "decide whether or not to resurrect dead humans"; };
label { name "dont_repopulate"; addr $843f; };
label { name "div_5_loop"; addr $842c; };
label { name "clear_enemy_explosions"; addr $845b; };
label { name "cex_loop"; addr $845f; };
label { name "prep_next_level"; addr $8465; comment "clean up game state, show prompt if in 2p mode"; };
label { name "pnl_store_trig"; addr $8478; comment "store either TRIG0 or TRIG1"; };
label { name "pnl_clear_player_shots"; addr $849a; };
label { name "check_consol"; addr $8503; comment "handle start/select keys during gameplay (ignore if not paused)"; };
label { name "cc_chk_start"; addr $8511; };
label { name "cc_chk_keyboard"; addr $851c; comment "in demo mode, pressing any key returns to the title screen"; };
label { name "check_paused"; addr $852a; };
label { name "wait_draw_ok"; addr $853f; };
label { name "check_spawn"; addr $854c; comment "see if it's time to spawn a lander wave or a baiter yet"; };
label { name "draw_p1_lives_and_bombs"; addr $86b0; comment "update HUD"; };
label { name "draw_p2_lives_and_bombs"; addr $8780; comment "update HUD"; };
label { name "move_ship"; addr $85c9; comment "only in non-demo game"; };
label { name "erase_ship"; addr $b588; comment "zero out memory to avoid leaving trails"; };
label { name "erase_sprite"; addr $ab2c; comment "zero out memory to avoid leaving trails"; };
label { name "erase_sprite_XXX"; addr $a786; comment "XXX wrapper for erase_sprite, dunno why yet"; };
label { name "erase_baiter_right_half"; addr $a561; comment "no other enemy is a double-wide sprite, is it?"; };
label { name "check_ship_collision"; addr $b5fb; comment "if hit, explode the ship and return with carry set. otherwise, return with carry clear."; };
label { name "not_invuln"; addr $b600; comment "bounding box is 20x10, with X offset 3 from actual ship position."; };
label { name "ni_cmp_abs_y"; addr $b60b; comment "if(abs(ship_y_pos - sprite_y) < 6) goto ship_collision;"; };
label { name "ni_cmp_abs_x"; addr $b61d; comment "if(abs(ship_x_pos - sprite_x) < 11) goto ship_collision;"; };
label { name "no_collision"; addr $b767; };
label { name "jmp_no_coll"; addr $b621; };
label { name "ship_collision"; addr $b624; comment "player ran into something"; };
label { name "no_swarmers"; addr $b64a; };
label { name "clear_baiters"; addr $b86d; comment "XXX I think this is correct, but disabling it doesn't do what I think it should"; };
label { name "clear_temp_enemies"; addr $b769; comment "remove baiters, enemy shots, bombs. called when the player dies."; };
label { name "destroy_planet"; addr $9e0a; comment "planet explosion sequence. doesn't set planet_dead_flag (that's done by the caller, after this returns)"; };
label { name "spawn_swarmers"; addr $a711; comment "called when a pod dies"; };
label { name "draw_ship"; addr $b5a1; comment "draw the player's ship (in playfield, or lives in HUD), but not the rocket exhaust"; };
label { name "erase_exhaust"; addr $9962; comment "erase the player's rocket exhaust"; };
label { name "erase_scanner_ship"; addr $a20c; comment "erase the player's ship (white cross) in the scanner"; };
label { name "draw_scanner_ship"; addr $a193; comment "draw the player's ship (white cross) in the scanner"; };
label { name "draw_scanner_sprite"; addr $a0af; comment "draw enemies/humanoids in scanner"; };
label { name "erase_scanner_sprite"; addr $a12d; comment "erase enemies/humanoids in scanner"; };
label { name "draw_sprite"; addr $a749; comment "draw enemies/humanoids in playfield. return with carry set if there's a ship collision (player died), else clear."; };
label { name "ship_exhaust"; addr $9986; comment "draw the player's rocket exhaust, if he's thrusting"; };
label { name "draw_smartbombs"; addr $8736; comment "draw smartbombs in the HUD, if any are left (max 3)"; };
label { name "smartbombs_ok"; addr $8744; comment "A holds number of visible bombs, 1 to 3"; };
label { name "check_extra_life"; addr $a7d6; comment "if score+1 rolled over $63 => 0, we passed 10K points. note that *all* changes to the score pass through here, so this check is always done."; };
label { name "aep_done"; addr $a7fa; };
label { name "read_joystick"; addr $adb0; comment "result in A and Y. notice it's inverted."; };
label { name "read_joystick_p2"; addr $adbf; };
label { name "check_horiz_move"; addr $ad01; comment "check for right (a&$08) or left (a&$04) movement. remember Y holds the result of read_joystick (inverted PORT(A|B) value)"; };
label { name "apply_thrust"; addr $ad41; };
label { name "check_ship_move"; addr $acee; comment "returns with carry clear if the ship moved, set if not. only checks one axis per call (vert or horiz). XXX magic constants and unknown locations used!"; };
label { name "check_vert_move"; addr $ad85; comment "check for down (a&$02) or up (a&$01) movement"; };
label { name "thrust_right"; addr $ad29; };
label { name "thrust_left"; addr $ad64; };
label { name "no_vert_move"; addr $ad98; comment "ship not moving up or down XXX how does this work?"; };
label { name "move_up"; addr $ad90; comment "XXX how does this work?"; };
label { name "move_down"; addr $ad94; comment "XXX how does this work?"; };
label { name "demo_logic"; addr $88bd; comment "animate the demo-game ship"; };
label { name "dl_hyperspace"; addr $894c; };
label { name "dl_smartbomb"; addr $8952; };
label { name "dl_done"; addr $8959; };
label { name "dl_down"; addr $891c; comment "move the ship down"; };
label { name "dl_vert_delta"; addr $88f0; comment "move the ship up or down, towards the sprite we're considering. actual movement ends up as the sum of all the calls here"; };
label { name "dl_vert_move"; addr $88dd; };
label { name "dl_vm_next"; addr $88e4; };
label { name "dl_trigger"; addr $8946; };
label { name "dl_check_move"; addr $88d1; comment "is it time to move the ship?"; };
label { name "dl_check_hyper"; addr $892b; };
label { name "printchar"; addr $972e; comment "print the DSCII text character in the A reg"; };
label { name "pch_done"; addr $9757; };
label { name "print_copyright"; addr $9758; comment "print copyright symbol ($c0). it's double-wide, so 2 glyphs"; };
label { name "print_crlf"; addr $9769; comment "print carriage return ($8d)"; };
label { name "print_space"; addr $9772; comment "print a space ($a0)"; };
label { name "print_digit"; addr $977b; comment "print a number ($b0-$ba)"; };
label { name "print_letter"; addr $978f; comment "print a letter ($c1-$db). does not call draw_glyph like you might expect."; };
label { name "draw_glyph"; addr $94bc; comment "draw the glyph at address (font + glyph_offset)"; };
label { name "pl_next_line"; addr $97a7; };
label { name "dg_next_line"; addr $94d5; };
label { name "print_end_level_msg"; addr $9642; comment "ATTACK WAVE n COMPLETED, BONUS x nnn"; };
label { name "aw_loop"; addr $9652; };
label { name "print_level"; addr $965d; };
label { name "completed_loop"; addr $9667; };
label { name "clamp_bonus"; addr $9672; comment "limit bonus multiplier to 5 (hundred, actually)"; };
label { name "print_bonus_mult"; addr $967a; comment "print 1st digit of bonus multiplier (range 1-5)"; };
label { name "print_bonus_00"; addr $9684; comment "print 00 after the 1-digit multiplier"; };
label { name "add_bonus"; addr $96a2; comment "add the bonus * multiplier to the score, for remaining humanoids"; };
label { name "ab_next_sprite"; addr $9698; };
label { name "calc_bonus_index"; addr $96c7; comment "A = 7 + (level < 6 ? level : 5); // index into score_points_table"; };
label { name "cbi_add7"; addr $96cf; comment "add 7 because that's where the bonus amounts start, in score_points_table"; };
label { name "save_p1_state"; addr $89b9; comment "save game state to p1_sav_* area"; };
label { name "sp1_loop"; addr $89bb; };
label { name "sp1_skip"; addr $89cb; };
label { name "sp2_loop"; addr $8a0f; };
label { name "sp2_skip"; addr $8a1f; };
label { name "lp1_loop"; addr $8a63; };
label { name "lp1_skip"; addr $8a73; };
label { name "lp2_loop"; addr $8ab7; };
label { name "lp2_skip"; addr $8ac7; };
label { name "save_p2_state"; addr $8a0d; comment "save game state to p2_sav_* area"; };
label { name "load_p1_state"; addr $8a61; comment "restore game state from p1_sav_* area"; };
label { name "load_p2_state"; addr $8ab5; comment "restore game state from p2_sav_* area"; };
label { name "p1_ok"; addr $84eb; };
label { name "prompt_screen_delay"; addr $84ee; comment "wait a while to let the next player get ready"; };
label { name "psd_loop"; addr $84f0; };
label { name "delay_loop"; addr $8874; comment "takes delay time in A. only ever called with A=$80 (delays a bit less than 3 frames) or A=$FF (almost 7 frames)"; };
label { name "dl_wait"; addr $8876; };
label { name "prompt_done"; addr $84ff; comment "either the prompt screen is finished, or we were in single-player mode & didn't need it"; };
label { name "print_p1_text"; addr $8b09; comment "print PLAYER ONE"; };
label { name "pp1_next"; addr $8b15; };
label { name "pp1_done"; addr $8b20; };
label { name "print_p2_text"; addr $8b3e; comment "print PLAYER TWO"; };
label { name "pp2_next"; addr $8b4a; };
label { name "pp2_done"; addr $8b55; };
label { name "clear_prompt_text"; addr $8b73; comment "print 40 spaces over the PLAYER (ONE|TWO) message"; };
label { name "cpt_next_char"; addr $8b7f; };
# not sure 'spawn' is quite the right word here
label { name "spawn_humanoid"; addr $aee6; comment "'spawn' not the right word. this does all the logic for humanoids (falling, hitting the ground)"; };
label { name "spawn_lander"; addr $b08e; };
label { name "spawn_mutant"; addr $b2f4; };
label { name "spawn_enemy_shot"; addr $9b86; };
label { name "spawn_bomber"; addr $b3f1; };
label { name "spawn_pod"; addr $b485; };
label { name "spawn_swarmer"; addr $b4a5; };
label { name "spawn_baiter"; addr $bad4; };
label { name "humanoid_falling"; addr $af6e; comment "called repeatedly while a humanoid is falling"; };
label { name "humanoid_carrying"; addr $aef4; comment "player carrying a humanoid"; };
label { name "humanoid_abducted"; addr $af5f; comment "lander carrying a humanoid"; };
label { name "baiter_check"; addr $bb7b; comment "decide whether to spawn a baiter"; };
label { name "bc_done"; addr $bba2; };
label { name "bc_spawn"; addr $bb8d; comment "yes, spawn it"; };
label { name "get_random"; addr $8cf2; comment "variant of an LFSR. could have just use 'lda RANDOM', this is likely an artifact of Baker's Apple II heritage. Returns 'random' number in A."; };
label { name "get_spawn_pos"; addr $8d0c; comment "pick a random, valid spot"; };
label { name "detonate_smartbomb"; addr $8bac; };
label { name "smartbomb_kill_stuff"; addr $8bd0; comment "kill every enemy on the screen"; };
label { name "kill_next"; addr $8bbd; };
label { name "sb_kill"; addr $8cc3; comment "kill one enemy"; };
label { name "start_enemy_explosion"; addr $9be7; comment "queue up an explosion, at first empty slot (or at last slot, if table is full)"; };
label { name "see_next"; addr $9be9; };
label { name "see_queue"; addr $9bf8; };
label { name "print_game_over"; addr $b81e; };
label { name "pgo_nextchar"; addr $b82a; };
label { name "pgo_delay"; addr $b835; };
label { name "pgo_delay_loop"; addr $b837; };
label { name "clear_player_shots"; addr $b7f1; comment "clear player_shots table and erase shot graphics. called when player dies or enters hyperspace"; };
label { name "cps_next"; addr $b7f3; };
label { name "cps_check"; addr $b7f8; comment "see if this shot exists"; };
label { name "cps_clear"; addr $b802; comment "shot exists, clear it"; };
label { name "cps_clear_loop"; addr $b814; };
label { name "preshift_sprite"; addr $ab9f; comment "create right-shifted copy of a sprite, 1-3 pixels, at sp_x+$10, sp_x+$20, sp_x+$30"; };
label { name "preshift_all_sprites"; addr $a370; comment "this is why sprites are copied to RAM: we precalculate right-shifted copies, to speed up drawing"; };
label { name "add_to_sprite_list"; addr $a4a5; comment "search for an empty slot. if found, add current_sprite to list, return with carry clear. if no empty slot, return with carry set."; };
label { name "asl_next"; addr $a4a7; };
label { name "asl_slot_found"; addr $a4b6; };
label { name "inertia_logic"; addr $8681; comment "XXX not fully understood, stubbing this out makes the ship turn on a dime"; };

# zp data addresses
label { name "invuln_flag"; addr $ed; comment "bit 7 set = ship collisions ignored... but also you can't clear a level. always set in demo game. temporarily set when the player's ship is exploding (to avoid further collisions killing it again while it's busy dying)"; };
label { name "ship_move_delay"; addr $93; comment "counts 0-$FF (XXX how often? per-frame?), ship only moves (?) when low 2 bits == 3 (?)"; };
label { name "animation_counter"; addr $85; comment "for animated sprites, used to decide which frame to draw"; };
label { name "ship_anim_counter"; addr $AA; comment "player's ship has its own animation counter"; };
label { name "glyph_color_mask"; addr $ee; comment "used by draw_glyph, $FF = color 3, all pixels 11 (like they're stored in the ROM), $55 and $AA for printing in colors 1 and 2."; };
label { name "current_player_shot"; addr $c2; comment "update_player_shots only updates one shot per call. this keeps track of which one, counts 0 4 8 $C."; };
label { name "scanner_colormask"; addr $a9; };
label { name "tmp_y"; addr $82; };
label { name "tmp_hoffset_l"; addr $83; };
label { name "tmp_hoffset_r"; addr $b8; };
label { name "tmp_height"; addr $84; };
label { name "tmp_ptr"; addr $e7; size 2; comment "used to point into screen memory by draw_glyph, also used for clearing sprite memory and blowing up the planet"; };
label { name "preshift_ptr"; addr $80; size 2; comment "argument to preshift_sprite"; };
label { name "random_seed"; addr $c6; size 3; comment "initialized to $f3 $12 $53 by init_cart"; };
label { name "landers_to_spawn"; addr $9b; comment "total # of landers to spawn, on this level. each wave is max(landers_to_spawn, 5) landers, until landers_to_spawn == 0."; };
label { name "enemy_count"; addr $9c; comment "total number of live enemies on level, not counting baiters."; };
label { name "baiter_count"; addr $9d; comment "count of baiters on level. also used for some other purpose XXX what?"; };
label { name "draw_ok_flag"; addr $ab; comment "bit 7 set = ok to write to screen ram (set by bottom_dli_handler, cleared by top_dli_handler)"; };
label { name "level_jiffies_lo"; addr $87; comment "init to 0 at start of level, increments every frame while game is playing"; };
label { name "level_jiffies_hi"; addr $f6; comment "init to 0 at start of level, increments every 256 frames while game is playing"; };
label { name "sprite_x"; addr $e3; comment "X position of sprite, for draw_sprite_(left|right)"; };
label { name "sprite_y"; addr $df; comment "Y position of sprite, for draw_sprite_(left|right)"; };
label { name "ship_direction"; addr $c5; comment "which way the ship is facing. 1 = right, $FF (-1) = left."; };
label { name "ship_delta"; addr $d5; comment "ship's movement, negative = left, 0 = stationary, positive = right. range -6 ($fa) to 6."; };
label { name "ship_y_pos"; addr $c4; comment "lower = higher on the screen, $20 = top, $b4 = bottom"; };
label { name "ship_x_pos"; addr $c3; comment "ship's visible X position on screen (not in the scanner). ranges $20 to $76"; };
label { name "ship_dead_flag"; addr $ef; comment "bit 7 set = collision with something that kills us (set by ship_collision)"; };
label { name "current_player"; addr $f1; comment "1 or 2 in 2-player games, always 1 in 1-player and demo"; };
label { name "trigger"; addr $a3; comment "shadow of TRIG0 or 1 depending on which player is playing"; };
label { name "current_sprite"; addr $f9; comment "0 = human. (lower 3 bits are word index into score_points_table)"; };
label { name "planet_dead_flag"; addr $a0; comment "bit 7 set = planet has exploded (no humans, all mutants)"; };
label { name "humanoid_count"; addr $a1; comment "initialized to $10, counts down to 0 as they die (but changing this in mid-level changes nothing, it changes right back!)"; };
label { name "hyperspace_flag"; addr $ae; comment "bit 7 set = player pressed hyperspace key"; };
label { name "spacebar_flag"; addr $ac; comment "bit 7 set = player pressed spacebar"; };
label { name "enemy_firing_freq"; addr $bb; comment "starts at $3f, $1f, $0f for easy/med/hard. shifts right at start of every other level, until it reaches $03 (and stays there forever)"; };
label { name "pause_flag"; addr $af; comment "00 = playing, $80 = paused while playing, $ff = not playing (title screen or game over)"; };
label { name "select_flag"; addr $b0; comment "bit 7 set = select was pressed"; };
label { name "start_flag"; addr $be; comment "bit 7 set = start was pressed"; };
label { name "last_kbcode"; addr $e0; comment "KBCODE gets saved here by check_key_code"; };
label { name "key_debounce_ctr"; addr $f0; comment "keypresses are ignored until this counts to $10"; };
label { name "sound_ptr"; addr $b2; size 2; comment "points to a list of AUDF, AUDC values"; };
label { name "sound_tempo"; addr $b5; comment "play_event_sound uses this to set cur_sound_tempo"; };
label { name "cur_sound_tempo"; addr $b4; comment "speed of currently-playing event sound"; };
label { name "cur_sound_timer"; addr $b6; comment "incremented each call to update_sound. when it reaches cur_sound_tempo, we increment sound_offset"; };
label { name "sound_offset"; addr $b1; comment "offset into sound_ptr list"; };
label { name "sound_priority"; addr $b7; comment "priority of currently-playing event sound"; };
label { name "protection_flag"; addr $f8; comment "bit 7 set = protection check failed, game will show title screen but refuse to start"; };
label { name "level"; addr $9a; comment "player 1 only?"; };
label { name "lives"; addr $9e; comment "player 1 only?"; };
label { name "smartbombs"; addr $a5; };
label { name "players"; addr $e2; comment "1 or 2 (1 in demo mode also)"; };
label { name "game_type"; addr $e1; comment "1-3 = 1p easy/med/hard, 4-6 = 2p e/m/h, 0 = demo"; };
label { name "drone_volume"; addr $bd; comment "initialized to $1f by init_drone, decrements to 0 during sound fade-out"; };
label { name "trampoline"; addr $a7; size 2; comment "indirect jmp vector"; };
label { name "screen_ptr"; addr $c0; size 2; comment "pointer to screen memory, used by print_letter, draw_glyph, draw_sprite_(left|right), etc"; };

# non-zp data addresses
label { name "enemy_explosion_table"; addr $052b; size 128; comment "4 bytes per entry, 32 entries"; };
label { name "splosion_particles"; addr $0400; size 256; comment "page full of random garbage, generated by init_splosion, used/altered by animate_plosion"; };
label { name "leading_zero_flag"; addr $0510; comment "bit 7 clear = skip leading zeroes in print_number. set = print leading zeroes ('01' instead of '1'"; };
label { name "plosion_x_start"; addr $0507; };
label { name "plosion_y_start"; addr $0508; };
label { name "plosion_x"; addr $0505; };
label { name "plosion_y"; addr $0506; };
label { name "inertia_counter"; addr $0d2d; comment "XXX"; };
label { name "exhaust_flag"; addr $0d2b; comment "bit 7 set = draw rocket exhaust"; };
label { name "return_carry_set"; addr $ad9e; };
label { name "thrust_ok"; addr $ad7e; };
label { name "return_right"; addr $ad5c; };
label { name "horiz_acceleration"; addr $0d2e; comment "XXX"; };
label { name "pixel_mask_table"; addr $1c00; size 256; comment "filled with repeating pattern c0 30 0c 03 c0 30 0c 03 ..."; };
label { name "offset_index_table"; addr $1a00; comment "filled with repeating pattern 00 01 02 03 00 01 02 03... basically a modulus 4 lookup"; };
label { name "pss_temp"; addr $0c4b; comment "16 bytes, used by preshift_sprite"; };
label { name "vert_horiz_flag"; addr $0d2c; comment "check_ship_move uses this, bit 0 clear = check for horizontal movement, set = vertical"; };
label { name "p2_sav_sprite_list"; addr $1800; size 256; };
label { name "p2_sav_score"; addr $19c0; size 4; };
label { name "p2_sav_planet_dead"; addr $19c4; };
label { name "p2_sav_fire_freq"; addr $19c5; };
label { name "p2_sav_lives"; addr $19c6; };
label { name "p2_sav_bombs"; addr $19c7; };
label { name "p2_sav_lander_wave_count"; addr $19c8; };
label { name "p2_sav_level"; addr $19c9; };
label { name "p1_sav_sprite_list"; addr $1600; size 256; };
label { name "p1_sav_score"; addr $17c0; size 4; };
label { name "p1_sav_planet_dead"; addr $79c4; };
label { name "p1_sav_fire_freq"; addr $17c5; };
label { name "p1_sav_lives"; addr $17c6; };
label { name "p1_sav_bombs"; addr $17c7; };
label { name "p1_sav_lander_wave_count"; addr $17c8; };
label { name "p1_sav_level"; addr $17c9; };
#label { name "player_shots"; addr $051a; size 16; comment "table of active shots, 4 entries, 4 bytes per entry: y pos, x start, x end, delta"; };
label { name "player_shots_y"; addr $051a; comment "table of active shots, 4 entries, 4 bytes per entry: y pos, x start, x end, delta"; };
label { name "player_shots_x_start"; addr $051b; };
label { name "player_shots_x_end"; addr $051c; };
label { name "player_shots_delta"; addr $051d; };
label { name "sprite_list"; addr $0aeb; size 256; comment "enemies, humanoids, everything alive & movable. 4 bytes per entry (XXX don't know what they mean yet)"; };
label { name "actor_list"; addr $0c6b; size 192; comment "6 bytes/entry, 32 entries max, sprites in sprite_list also an entry here XXX"; };
label { name "y_stash"; addr $0519; comment "temp, used by print_letter and draw_glyph"; };
label { name "cur_line"; addr $0513; comment "current line of glyph being drawn, used by print_letter and draw_glyph"; };
label { name "last_line"; addr $0514; comment "last line of glyph being drawn, used by print_letter and draw_glyph"; };
label { name "score"; addr $142f; size 4; comment "lsb first, binary base 100 (each byte ranges $00 to $63 (99 dec)"; };
#range { name "dlist_ram"; start $2000; end $20c6; type bytetable; comment "basically GR.15"; };
label { name "dlist_ram"; addr $2000; size $c7; comment "190 scanlines of GR.15 with 2 DLIs"; };
label { name "VDSLST"; addr $200; size 2; comment "DLI vector"; };
label { name "SDLSTL"; addr $230; comment "dlist start, lo byte"; };
label { name "SDLSTH"; addr $231; comment "dlist start, hi byte"; };
label { name "COLDST"; addr $244; };
label { name "screen_ram"; addr $2218; size 7600; comment "190 scanlines * 40 bytes/line = 7600 ($1db0) bytes"; };
label { name "screen_hi_ptrs"; addr $1e00; size 192; comment "pointers to the start of each scanline in screen memory (hi bytes)"; };
label { name "screen_lo_ptrs"; addr $1d00; size 192; comment "pointers to the start of each scanline in screen memory (lo bytes)"; };
label { name "horiz_offset_table"; addr $1b00; size 256; comment "coarse (byte) offset for each horizontal position, the 0th thru 39th byte on a scanline"; };
label { name "cursor_x"; addr $1439; comment "column where printchar will print next character (range 0-$27 I think)"; };
label { name "cursor_y"; addr $143a; comment "row where printchar will print next character (range XXX)"; };
label { name "cursor_line"; addr $0512; comment "cursor_x times 9, scanline where next char prints (range XXX)"; };
label { name "cursor_x_tmp"; addr $0515; };
label { name "glyph_offset"; addr $0516; comment "offset of glyph from start of font (0, 8, 16, 24, ...), used by draw_glyph"; };
label { name "level_initial_spawn"; addr $ae55; comment "at level start, spawn initial set of enemies"; };
label { name "spawn_bombers"; addr $ae61; comment "not sure what's up with location $c6 here"; };
label { name "spawn_pods"; addr $ae7d; };
label { name "spawn_landers"; addr $ae93; };
label { name "spb_loop"; addr $ae67; };
label { name "spp_loop"; addr $ae82; };
label { name "lis_done"; addr $aee5; };
label { name "spawn_lander_wave"; addr $ae98; comment "also called from outside level_initial_spawn, for subsequent waves"; };


# data tables
range { name "snd_silence"; start $8e86; end $93bb; type bytetable; comment "'heard' during title screen, and when nothing else is going on"; };
label { name "snd_extra_life"; addr $8fdc; comment "heard when player gets an extra life"; };
label { name "snd_materialize"; addr $8ece; comment "heard when player ship appears (start of level) or the next group of aliens appears"; };
label { name "snd_player_fire"; addr $8e8a; comment "heard when player fires a shot"; };
label { name "snd_smartbomb"; addr $9276; comment "heard when player detonates a smart bomb"; };
label { name "snd_distress"; addr $8f12; comment "heard when lander picks up a humanoid"; };
label { name "table_8f6f"; addr $8f6f; comment "this is in the middle of the sound effects, but it doesn't look like sound data (and doesn't sound like it either)"; };
label { name "snd_rescued"; addr $92e2; comment "heard when player catches or drops off a human, or when one lands safely on the ground"; };
label { name "snd_fall"; addr $90a2; comment "heard when a lander carrying a human is shot"; };
label { name "snd_lander_fire"; addr $9060; comment "heard when a lander fires a shot"; };
label { name "snd_planet_explode"; addr $9352; comment "heard when the last human dies and the planet asplodes"; };
label { name "snd_human_died"; addr $92b0; comment "heard when a human dies (is absorbed, shot, or falls too far)"; };
label { name "snd_player_died"; addr $9166; comment "heard when the player's ship explodes"; };
label { name "snd_lander_died"; addr $90da; comment "heard when we shoot a lander (or a bomber, same sound)"; };
label { name "snd_swarmer_taunt"; addr $901a; comment "heard when swarmers are in the area (like a bird call)"; };
label { name "snd_mutant_taunt"; addr $906a; comment "heard when a mutant is after you"; };
label { name "snd_pod_died"; addr $9208; comment "heard when a pod is killed and spawns a bunch of swarmers"; };
label { name "snd_baiter_died"; addr $91ac; comment "heard when a baiter is shot (temporary reprieve!)"; };
label { name "snd_swarmer_died"; addr $9120; comment "heard when a swarmer is shot"; };

range { name "scanner_border_table"; start $a0ab; end $a0ae; type bytetable; };
range { name "jump_table"; start $a582; end $a591; type addrtable; };
range { name "scanner_colormask_table"; start $a592; end $a5b1; type bytetable; };
range { name "attack_wave_text"; start $96d6; end $96ed; type bytetable; };
range { name "completed_text"; start $96ee; end $972d; type bytetable; };
range { name "game_type_table"; start $80f9; end $80ff; type bytetable; comment "game select table (7 entries: demo, 1p easy/med/hard, 2p easy/med/hard)"; };
range { name "game_type_text_ptrs"; start $8148; end $8155; type addrtable; comment "the strings these point to are 37 characters long, null-terminated, ASCII with high bit set (this game was ported from the Apple II, where ASCII normally has the high bit set)"; };
range { name "gttxt_demo"; start $8156; end $817a; type bytetable; comment "'   D E F E N D E R  G A M E  D E M O'"; };
range { name "gttxt_1p_easy"; start $817b; end $819f; type bytetable; comment "'      O N E  P L A Y E R  E A S Y   '"; };
range { name "gttxt_1p_normal"; start $81a0; end $81c4; type bytetable; comment "'    O N E  P L A Y E R  N O R M A L '"; };
range { name "gttxt_1p_hard"; start $81c5; end $81e9; type bytetable; comment "'      O N E  P L A Y E R  H A R D   '"; };
range { name "gttxt_2p_easy"; start $81ea; end $820e; type bytetable; comment "'      T W O  P L A Y E R  E A S Y   '"; };
range { name "gttxt_2p_normal"; start $820f; end $8233; type bytetable; comment "'    T W O  P L A Y E R  N O R M A L '"; };
range { name "gttxt_2p_hard"; start $8234; end $8258; type bytetable; comment "'      T W O  P L A Y E R  H A R D   '"; };
range { name "title_text"; start $8295; end $8328; type bytetable; comment "cF, c5 are color codes. 'cF             D E F E N D E RnlnlnlnlnlnlcF S E L E C T  G A M E  A N D  P R E S Snlnl      T H E  S T A R T  B U T T O Nnlnlnlnlc5         c)  1 9 8 2  A T A R I'"; };
range { name "table_8329"; start $8329; end $8368; type bytetable; comment "is this used at all?"; };
range { name "power_10_table"; start $9507; end $9509; type bytetable; comment "1, 10, 100 aka 10*0, 10*1, 10*2. used by print_number. last byte appears to never get read."; };
range { name "font"; start $950a; end $9641; type bytetable; comment "13 4x8 glyphs, 0 thru 9, space, left & right halves of copyright symbol. 2bpp, but only one color used (11). really 3x8 as rightmost column is blank (for spacing) in all glyphs. height is the full 8 (no blanks for spacing)."; };
label { name "font_letters"; addr $9572; comment "uppercase, 26 4x8 glyphs but no blank column for spacing (full 4x8). also J Q Z glyphs are graphics of some kind."; };
range { name "demo_text"; start $898f; end $89b8; type bytetable; comment "' D E F E N D E R    c 1982  A T A R I '"; };
range { name "game_over_text"; start $b844; end $b86c; type bytetable; comment "'           G A M E  O V E R             '"; };
range { name "player_one_text"; start $8b21; end $8b3d; type bytetable; comment "'          P L A Y E R  O N E'"; };
range { name "player_two_text"; start $8b56; end $8b72; type bytetable; comment "'          P L A Y E R  T W O'"; };
range { name "score_points_table"; start $a7fd; end $a816; type wordtable; comment "binary base 100. msb first (unlike score!). 0132 = 100*$01+$32 = 150 decimal. order: human (0), lander (150), mutant (150), enemy shot or bomber bomb (25, only by colliding with ship), bomber (250), pod (1000), swarmer (200), baiter (200), rest are bonus"; };
range { name "sprite_ram_addrs"; start $ab57; end $ab8e; type addrtable; comment "used by draw_sprite_(left|right)"; };
range { name "sprite_table_offsets"; start $ab8f; end $ab9e; type bytetable; comment "basically just a mul-by-16 table"; };
label { name "sprite_heights"; addr $ab97; comment "used to avoid drawing extra empty sprite rows, if they're shorter than full height"; };
range { name "accel_table"; start $ada0; end $adaf; type bytetable; comment "used for accelerating/decelarating the ship"; };
range { name "level_spawn_table"; start $ae49; end $ae54; type bytetable; comment "3 bytes per entry: # bombers, # pods, # landers per wave"; };
label { name "lst_pods"; addr $ae4a;};
label { name "lst_landers"; addr $ae4b;};
range { name "swarmer_spawn_y_offsets"; start $b568; end $b587; type bytetable; comment "XXX I *think* that's what this is"; };
range { name "filler_bba3"; start $bba3; end $bff9; type bytetable; };
range { name "sprom_humanoid"; start $a8b3; end $a8c2; type bytetable; comment "single-wide, non-animated, copied to $0d2f"; };
range { name "sprom_lander_1"; start $a8c3; end $a8d2; type bytetable; comment "single-wide, animated, copied to $0d6f"; };
range { name "sprom_lander_2"; start $a8d3; end $a8e2; type bytetable; comment "copied to $0daf"; };
range { name "sprom_mutant_1"; start $a8e3; end $a8f2; type bytetable; comment "single-wide, animated, copied to $0def"; };
range { name "sprom_mutant_2"; start $a8f3; end $a902; type bytetable; comment "copied to $0e2f"; };
range { name "sprom_rship_l_1"; start $a903; end $a912; type bytetable; comment "right-facing ship, double-wide, animated, copied to $0e6f"; };
range { name "sprom_rship_r_1"; start $a913; end $a922; type bytetable; comment "copied to $0eaf"; };
range { name "sprom_rship_l_2"; start $a923; end $a932; type bytetable; comment "copied to $0eef"; };
range { name "sprom_rship_r_2"; start $a933; end $a942; type bytetable; comment "copied to $0f2f"; };
range { name "sprom_lship_l_1"; start $a943; end $a952; type bytetable; comment "left-facing ship, double-wide, animated, copied to $0f6f"; };
range { name "sprom_lship_r_1"; start $a953; end $a962; type bytetable; comment "copied to $0faf"; };
range { name "sprom_lship_l_2"; start $a963; end $a972; type bytetable; comment "copied to $0fef"; };
range { name "sprom_lship_r_2"; start $a973; end $a982; type bytetable; comment "copied to $102f"; };
range { name "sprom_bullet"; start $a983; end $a992; type bytetable; comment "enemy shot, single-wide, non-animated, copied to $106f"; };
range { name "sprom_bomber_1"; start $a993; end $a9a2; type bytetable; comment "single-wide, animated, copied to $10af"; };
range { name "sprom_bomber_2"; start $a9a3; end $a9b2; type bytetable; comment "copied to $10ef"; };
range { name "sprom_xbomb"; start $a9b3; end $a9c2; type bytetable; comment "bomber's bomb, single-wide, non-animated, copied to $112f"; };
range { name "sprom_rflame_1"; start $a9c3; end $a9d2; type bytetable; comment "player's exhaust flame, right-facing, single-wide, animated, copied to $11ef"; };
range { name "sprom_rflame_2"; start $a9d3; end $a9e2; type bytetable; comment "copied to $122f"; };
range { name "sprom_lflame_1"; start $a9e3; end $a9f2; type bytetable; comment "player's exhaust flame, left-facing, single-wide, animated, copied to $116f"; };
range { name "sprom_lflame_2"; start $a9f3; end $aa02; type bytetable; comment "copied to $11af"; };
range { name "sprom_pod_1"; start $aa03; end $aa12; type bytetable; comment "single-wide, animated, copied to $126f"; };
range { name "sprom_pod_2"; start $aa13; end $aa22; type bytetable; comment "copied to $12af"; };
range { name "sprom_swarmer"; start $aa23; end $aa32; type bytetable; comment "single-wide, non-animated, copied to $12ef"; };
range { name "sprom_baiter_l"; start $aa33; end $aa42; type bytetable; comment "double-wide, non-animated, copied to $132f"; };
range { name "sprom_baiter_r"; start $aa43; end $aa52; type bytetable; comment "copied to $136f"; };
range { name "sprom_smartbomb_1"; start $aa53; end $aa62; type bytetable; comment "single-wide, animated, copied to $13af"; };
range { name "sprom_smartbomb_2"; start $aa63; end $aa72; type bytetable; comment "copied to $13ef"; };
range { name "table_aa73"; start $aa73; end $aa7a; type bytetable; comment "XXX what (if anything) is this used for?"; };
range { name "table_ae15"; start $ae15; end $ae16; type bytetable; };

# not used by defender ($9ffa-$9fff has code in it)
#range { name "cart_b_start"; start $9ffa; end $9ffb; type addrtable; };
#range { name "cart_b_present"; start $9ffc; end $9ffc; type bytetable; };
#range { name "cart_b_opts"; start $9ffd; end $9ffd; type bytetable; };
#range { name "cart_b_init"; start $9ffe; end $9fff; type addrtable; };

range { name "cart_a_start"; start $bffa; end $bffb; type addrtable; };
range { name "cart_a_present"; start $bffc; end $bffc; type bytetable; comment "0 = cart present"; };
range { name "cart_a_opts"; start $bffd; end $bffd; type bytetable; comment "no disk boot, yes init+start the cart, non-diagnostic"; };
range { name "cart_a_init"; start $bffe; end $bfff; type addrtable; };
label { name "sp_humanoid"; addr $0d2f; comment "ram copies of sprites. sp_x is the original sprite. sp_x+$10, sp_x+$20, sp_x+$30 are right-shifted copies, by 1/2/3 pixels respectively"; };
label { name "sp_lander_1"; addr $0d6f; };
label { name "sp_lander_2"; addr $0daf; };
label { name "sp_mutant_1"; addr $0def; };
label { name "sp_mutant_2"; addr $0e2f; };
label { name "sp_rship_l_1"; addr $0e6f; };
label { name "sp_rship_r_1"; addr $0eaf; };
label { name "sp_rship_l_2"; addr $0eef; };
label { name "sp_rship_r_2"; addr $0f2f; };
label { name "sp_lship_l_1"; addr $0f6f; };
label { name "sp_lship_r_1"; addr $0faf; };
label { name "sp_lship_l_2"; addr $0fef; };
label { name "sp_lship_r_2"; addr $102f; };
label { name "sp_bullet"; addr $106f; };
label { name "sp_bomber_1"; addr $10af; };
label { name "sp_bomber_2"; addr $10ef; };
label { name "sp_xbomb"; addr $112f; };
label { name "sp_rflame_1"; addr $11ef; };
label { name "sp_rflame_2"; addr $122f; };
label { name "sp_lflame_1"; addr $116f; };
label { name "sp_lflame_2"; addr $11af; };
label { name "sp_pod_1"; addr $126f; };
label { name "sp_pod_2"; addr $12af; };
label { name "sp_swarmer"; addr $12ef; };
label { name "sp_baiter_l"; addr $132f; };
label { name "sp_baiter_r"; addr $136f; };
label { name "sp_smartbomb_1"; addr $13af; };
label { name "sp_smartbomb_2"; addr $13ef; };

label { name "RTCLOK"; addr $12; size 3; };
label { name "POKMSK"; addr $10; };
label { name "ATRACT"; addr $4d; };
label { name "VKEYBD"; addr $0208; comment "=== page 2 OS equates"; };
label { name "VKEYBD_hi"; addr $0209; };
label { name "SDMCTL"; addr $022f; };
label { name "GPRIOR"; addr $026f; };
label { name "PCOLR0"; addr $02c0; };
label { name "PCOLR1"; addr $02c1; };
label { name "PCOLR2"; addr $02c2; };
label { name "PCOLR3"; addr $02c3; };
label { name "COLOR0"; addr $02c4; };
label { name "COLOR1"; addr $02c5; };
label { name "COLOR2"; addr $02c6; };
label { name "COLOR3"; addr $02c7; };
label { name "COLOR4"; addr $02c8; };
label { name "CHBAS"; addr $02f4; };
label { name "HPOSP3"; addr $d003; comment "=== GTIA equates"; };
label { name "HPOSM0"; addr $d004; };
label { name "HPOSM1"; addr $d005; };
label { name "HPOSM2"; addr $d006; };
label { name "HPOSM3"; addr $d007; };
label { name "SIZEP2"; addr $d00a; };
label { name "SIZEP3"; addr $d00b; };
label { name "SIZEM"; addr $d00c; };
label { name "TRIG0"; addr $d010; };
#label { name "GRAFM"; addr $d011; }; # PMG not used, but:
label { name "TRIG1"; addr $d011; };
label { name "COLPM0"; addr $d012; };
label { name "COLPM1"; addr $d013; };
label { name "COLPF0"; addr $d016; };
label { name "COLPF1"; addr $d017; };
label { name "COLPF2"; addr $d018; };
label { name "COLPF3"; addr $d019; };
label { name "COLBK"; addr $d01a; };
label { name "PRIOR"; addr $d01b; };
label { name "GRACTL"; addr $d01d; };
label { name "HITCLR"; addr $d01e; };
label { name "CONSOL"; addr $d01f; };
label { name "AUDF1"; addr $d200; comment "=== POKEY equates"; };
label { name "AUDC1"; addr $d201; };
label { name "AUDF2"; addr $d202; };
label { name "AUDC2"; addr $d203; };
label { name "AUDF3"; addr $d204; };
label { name "AUDC3"; addr $d205; };
label { name "AUDF4"; addr $d206; };
label { name "AUDC4"; addr $d207; };
label { name "AUDCTL"; addr $d208; };
label { name "KBCODE"; addr $d209; };
label { name "RANDOM"; addr $d20a; };
label { name "IRQEN"; addr $d20e; };
label { name "SKCTL"; addr $d20f; };
label { name "DMACTL"; addr $d400; comment "=== ANTIC equates"; };
label { name "DLISTL"; addr $d402; };
label { name "DLISTH"; addr $d403; };
label { name "HSCROL"; addr $d404; };
label { name "PMBASE"; addr $d407; };
label { name "CHBASE"; addr $d409; };
label { name "WSYNC"; addr $d40a; };
label { name "VCOUNT"; addr $d40b; };
label { name "NMIEN"; addr $d40e; };
#label { name "SETVBV"; addr $e45c; comment "=== OS equates"; };
#label { name "XITVBV"; addr $e462; };
label { name "PORTA"; addr $d300; comment "=== PIA equates"; };
label { name "PORTB"; addr $d301; };
label { name "PACTL"; addr $d302; };
label { name "PBCTL"; addr $d303; };