The following is the (decrypted) contents of bat_chase.dat.
<bmp_begin> file(0-23): sprite\sys\bat_chase.bmp w: 81 h: 82 row: 4 col: 2 weapon_hit_sound: data\088.wav weapon_drop_sound: data\088.wav weapon_broken_sound: data\088.wav <bmp_end> <frame> 0 flying pic: 0 state: 3000 wait: 1 next: 1 dvx: 0 dvy: 0 dvz: 0 centerx: 43 centery: 39 hit_a: 7 hit_d: 0 hit_j: 0 hit_Fa: 12 itr: kind: 0 x: 22 y: 22 w: 39 h: 38 dvx: 4 fall: 20 vrest: 15 bdefend: 16 injury: 30 itr_end: bdy: kind: 0 x: 21 y: 22 w: 40 h: 39 bdy_end: <frame_end> <frame> 1 flying pic: 1 state: 3000 wait: 1 next: 2 dvx: 0 dvy: 0 dvz: 0 centerx: 47 centery: 43 hit_a: 7 hit_d: 1 hit_j: 0 hit_Fa: 12 itr: kind: 0 x: 22 y: 22 w: 39 h: 38 dvx: 4 fall: 20 vrest: 15 bdefend: 16 injury: 30 itr_end: bdy: kind: 0 x: 21 y: 22 w: 40 h: 39 bdy_end: <frame_end> <frame> 2 flying pic: 2 state: 3000 wait: 1 next: 3 dvx: 0 dvy: 0 dvz: 0 centerx: 45 centery: 44 hit_a: 7 hit_d: 2 hit_j: 0 hit_Fa: 12 itr: kind: 0 x: 22 y: 22 w: 39 h: 38 dvx: 4 fall: 20 vrest: 15 bdefend: 16 injury: 30 itr_end: bdy: kind: 0 x: 21 y: 22 w: 40 h: 39 bdy_end: <frame_end> <frame> 3 flying pic: 1 state: 3000 wait: 1 next: 999 dvx: 0 dvy: 0 dvz: 0 centerx: 47 centery: 45 hit_a: 7 hit_d: 3 hit_j: 0 hit_Fa: 12 itr: kind: 0 x: 22 y: 22 w: 39 h: 38 dvx: 4 fall: 20 vrest: 15 bdefend: 16 injury: 30 itr_end: bdy: kind: 0 x: 21 y: 22 w: 40 h: 39 bdy_end: <frame_end> <frame> 10 hiting pic: 4 state: 3001 wait: 1 next: 11 dvx: 0 dvy: 0 dvz: 0 centerx: 44 centery: 39 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 11 hiting pic: 5 state: 3001 wait: 1 next: 12 dvx: 0 dvy: 0 dvz: 0 centerx: 42 centery: 38 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 12 hiting pic: 6 state: 3001 wait: 1 next: 13 dvx: 0 dvy: 0 dvz: 0 centerx: 43 centery: 39 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 13 hiting pic: 7 state: 3001 wait: 1 next: 1000 dvx: 0 dvy: 0 dvz: 0 centerx: 45 centery: 40 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 20 hit pic: 4 state: 3001 wait: 1 next: 11 dvx: 0 dvy: 0 dvz: 0 centerx: 44 centery: 39 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 30 rebounding pic: 4 state: 3001 wait: 1 next: 11 dvx: 0 dvy: 0 dvz: 0 centerx: 44 centery: 39 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 50 start pic: 3 state: 3005 wait: 1 next: 51 dvx: 0 dvy: 0 dvz: 0 centerx: 42 centery: 38 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end> <frame> 51 start sound: data\087.wav pic: 3 state: 3005 wait: 1 next: 52 dvx: 0 dvy: 0 dvz: 0 centerx: 40 centery: 38 hit_a: 0 hit_d: 0 hit_j: 0 hit_Fa: 8 <frame_end> <frame> 52 start pic: 3 state: 3005 wait: 1 next: 1000 dvx: 0 dvy: 0 dvz: 0 centerx: 40 centery: 38 hit_a: 0 hit_d: 0 hit_j: 0 <frame_end>