TI-85 version memory use enemies.asm enemy movement 1226 levels.asm enemy pattern descriptions 715 storage.asm storage for saved data 622 score16.asm score calculation/input/display 546 images.asm images 483 main16.asm initialization/title/main loop 480 shop16.asm shop 454 disp16.asm screen copy/clear/background/text list 338 drwspr.asm sprite rendering 319 new16.asm new game initialization 282 extlev16.asm external level handling 276 ebullets.asm enemy bullet movement 264 init.asm decode a level's enemy data 258 enemyhit.asm player bullet to enemy collisions 249 bullets.asm player bullet movement 237 shoot.asm player bullet firing 235 eshoot.asm enemy firing 229 player16.asm player handling 196 main85.asm title/TI-85 nitialization 172 hityou.asm check and handle hits to player 165 helper.asm helper ship movement 164 lib16.asm interrupt/sync/contrast/support 156 data.asm save and restore game 50 collide.asm collision check 34 exchange.asm memory exchange 34