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[FC][魂斗罗][J][追踪弹], x& q3 m. ?- R o& _- _
6 K0 R) @* k* F9 ^1 U9 {时间:2023.04.30 x; ^1 T# i ~6 J) {5 B2 m# y% C
作者:FlameCyclone
$ m0 Y( G# v0 Q! g- S8 \: L内容:. z9 U# K5 y/ W' e. N( F
1. 所有子弹追踪敌人
$ W2 p G! \3 @$ O; m% [! f% T 2. 选择键切换武器. P* Z: Y% c2 F3 W& b
3. 优化选关按键组合, 从标题开始游戏后按住选择键不放进入选关界面! B7 ~# e7 P( i" c9 ] @8 r
- r' X, G' M6 C* Q$ A9 X4 Lflamecyclone.ys168.com; N2 I3 F# y% C6 Z+ ?" H

; [& K9 a |6 Y/ w+ t- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁$ j; e, _8 C& X9 J# h3 }0 x
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L& O* a0 v! u, B0 |$ I# K
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
0 p& w1 i- n* q, @" d
$ B& ~0 q3 A- P9 l8 X6 x; I- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)8 d" O1 y" P- U: |
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 b+ f' F* [ U" j
4 Z( d# x2 B8 k: S5 ^: D4 R: X- Track_Enemy_Index = $60001 `8 {8 B x2 Y$ z" X q
- Enemy_Index_Begin = $60101 O9 u. i" z$ R. J# l! Q7 \
- Enemy_Index_End = $6011
1 \7 S* d# a4 I$ U" I3 U/ q - , O+ C9 z- f! ]& s" M5 E( r) P
- Loop_Index_I = $6012
; W7 f8 O. w1 T W$ L0 Y - Loop_Index_J = $6013
/ U( x7 F; l+ v - nEnemyIndex = $6014* j1 @& G. t4 m2 R) I @: g3 C% a; j; i
- Data_buffer = $6015
8 B: h% c- G1 z - % T4 m1 O. T7 L4 T; j. c
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
6 ^: o. c/ |$ n0 O" b& Q, } - Bullet_X_Pos = $03C8 ;子弹水平坐标& e4 _; l% A8 M% o
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
4 ]$ v; V0 G' n. V7 h# j - Bullet_X_Speed = $0408 ;子弹水平速度
8 u! z; V; `6 V8 e" H - Bullet_Z_Pos = $0418 ;子弹Z坐标 j. h# h: N( k% L! S$ t
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
0 m1 v# I9 s$ z9 `. D4 n3 S/ R - . |1 d( g& D z8 |9 I- l5 A
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸& v! O. q2 H' L% U) O, t! G
- Enemy_Blood = $0598 ;敌人血量
' d& \4 T! E( O/ d9 m - Enemy_Type_Addr = $0528 ;敌人类型
+ ?, e' s- J4 y7 O- N: ? - Enemy_Blood_Addr = $0578 ;敌人血量
, z% L3 {4 ^) V7 v - Enemy_Y_Pos = $0324 ;敌人垂直坐标 _" a$ d q0 d) q! W8 N: g
- Enemy_X_Pos = $033E ;敌人水平坐标
& d& r* B- x U% T+ ] \ ?7 i v - Enemy_Y_Speed = $04E8 ;敌人垂直速度' N2 k. V& \ H3 b4 V) A- R, b
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
4 E2 V6 m) C, A0 G3 x
9 n4 W% r5 n M, l! \- Enemy_Index = $83 ;
6 h% S6 d+ y8 ?/ O - Time_Count = $1A
( |; {2 @, e5 l n& j8 s" E - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
0 l% L% t/ f7 ]2 m+ H - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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3 R; j0 G* K* ?7 H5 ~- .ORG $6100
. w* Y0 [5 q1 S. r; h0 ` - Process_Begin:" Q7 R( ^" O! d$ q0 ]
- JSR Enemy_Check
) x/ b% A! d- ~ - JSR Track_Enemy_Check
1 T! G) B, I7 k$ ?, L - Process_End:1 v7 C- P9 @: z4 s
- JMP $E54F0 U5 H, Z3 T4 S
! `2 |: K) d0 Z2 L$ h- Enemy_Check:
" Z5 r" \+ Y) l( V: }3 k - LDA Time_Count" T; _+ q( R) c" |1 r- F
- AND #Track_Bullet_Speed
+ f( P' s1 `1 C& d$ x - CMP #Track_Bullet_Speed
8 u7 }6 F3 Q# m( Z - BNE Enemy_Check_End
" s3 o2 h6 X& p: ~6 }! @+ u6 O - LDX #$0F, _. C) `% i# X/ W$ ^- ]8 D
- Enemy_Check_Begin:* I/ R+ d2 C0 D- u
- LDA Enemy_State,X. G- R/ U' [: {% Y; ?9 t
- BEQ Enemy_Check_Continue
" N2 I* ?4 u8 A! d6 a - STX Enemy_Index' Q$ c$ ~) p+ |# S# H
- JSR Find_Begin_Enemy
/ Z0 X! i% h. D& T9 V! e - JSR Find_End_Enemy b t0 _( N" k5 ^: o3 W& ^: D
- JSR Bullet_Track. ?# F1 p! i8 D' j
-
5 O9 U. X5 M0 M+ L* g8 F; Q - LDX Enemy_Index
+ T6 ]4 i7 s, Q8 |0 s - Enemy_Check_Continue:
3 a. V6 \! p: y - DEX
# J+ [7 c+ {# w: a1 N5 Y2 l! o - BPL Enemy_Check_Begin
# p" u/ U5 U7 D& x. q3 e - Enemy_Check_End:
% D. J. H& }2 R* [; F - RTS# W0 E6 V. w6 t, |8 G: u' @' |
- * H0 ~6 |3 s. t8 n3 ~7 p1 v
- Track_Enemy_Check:
6 @# G) r; J9 T3 C( j5 a. t - LDA Time_Count; L/ i& X% t* Q" y: p
- AND #Track_Enemy_Speed M( c" A9 |) P; l. K8 V
- CMP #Track_Enemy_Speed
; a& ?2 L/ i% T6 f* l - BNE Track_Enemy_Check_End
, i% j" Y. U& ^2 S h - LDX #$0F
/ ~+ w4 R" x) Q3 F - Track_Enemy_Check_Begin:) U" K9 [! ?# r! Z
- LDA Enemy_State,X
: A) j2 i' L5 P$ W ?* s - BEQ Track_Enemy_Check_Continue" \+ P2 a- \3 M
- STX Enemy_Index! e* S+ Y a [+ t3 n) [
- / j$ }5 @3 F) R
- LDA $40
+ D" X& P+ z1 C$ f; o( y8 ` - LSR/ V9 U* G/ w$ Y9 [% U3 L, E; y
- BCC Track_Enemy_Check_Begin_L1
/ I7 A% i' ?* U3 ^ b& Z -
, |8 R4 k# X9 c! }1 ?! @/ @' a - JSR Track_Enemy_Ex ;2, 4
2 L6 L/ l% j/ N8 F+ }; g5 ]7 N - LDA #$00' ]- T; M$ U' r) d6 K U
- BEQ Track_Enemy_Check_Begin_L2$ D2 n7 D( S3 e: ?% F
- ! h2 m( k" F& e0 G# y- v
- Track_Enemy_Check_Begin_L1:
( T# D# E7 U3 ~5 R# i - # O$ s& _# _1 ^* I5 W( b
- JSR Track_Enemy
% y$ T9 n6 Q( A+ `6 i- H- P
1 j! s$ G+ M+ s& f; K! s0 K2 D r; H- Track_Enemy_Check_Begin_L2:
* e, }! ~ [; @7 R! y" F% z8 U -
+ \4 _- y6 u1 R* g+ e9 L9 }, k$ n - LDX Enemy_Index5 {! V" f( b* v0 a" f9 p6 T! L
- Track_Enemy_Check_Continue:
8 U: [ m7 O' H8 T: m, X - DEX( i' f8 K/ a7 I8 v t: I2 L
- BPL Track_Enemy_Check_Begin1 ?6 F# }+ B9 ]0 J3 G) s9 t
- Track_Enemy_Check_End:1 p, ]2 D: N, O" k
- RTS
( P9 m n1 X4 w- H1 c- T
8 h- A9 {/ p: v+ L
1 y3 V& a% D5 V" n2 m2 ^* e" s- ;查找第一个敌人
" C, u$ B6 a2 P! z% z: E - Find_Begin_Enemy:
$ S* _/ ]) K5 S8 h2 ?! {3 W5 y - LDX #$00 I, y2 C' \& z7 d1 g$ B
- Find_Begin_Enemy_Check:
1 U+ s$ M2 ^' p; I* |8 ` - LDA Enemy_State,X' `" ]# \4 m7 [2 }
- BEQ Find_Begin_Enemy_Check_Continue
; p4 r. Q7 E3 q/ [" v8 S B. n - LDA Enemy_Blood,X' V. T4 X+ @9 Z: `; B7 u" r
- BMI Find_Begin_Enemy_Check_Continue0 Q5 V2 k) p% s% M
- BNE Find_Begin_Enemy_End. T% M/ D: C! U6 o9 n6 m* H
- - T8 U' |" V+ Z* M: q; t* n3 T
- Find_Begin_Enemy_Check_Continue:
# X/ F" K' f0 w& |" Y0 w$ S- K8 Q - INX
( W1 p/ O8 p0 V5 H% B; n. g4 L1 o - CPX #$105 W z8 B& K6 Q3 u0 B' n% o/ l h/ \
- BCC Find_Begin_Enemy_Check- V; r6 \1 G3 s8 N; _; y% d' A8 l; S3 A- ?
- Find_Begin_Enemy_End:' h! ^# ~% ^1 F$ q$ L
- STX Enemy_Index_Begin
" V9 y. H/ I D! s - RTS) q" ~. K' Q& |: |- z I
- 8 c5 D& a3 c j3 H6 f) P) L
- ;查找最后一个敌人8 D9 T `( l" I( d6 ]
- Find_End_Enemy:5 u+ T& F: k$ Y) w
- LDX #$0F
/ S& P0 e3 i6 ]. }0 x - Find_End_Enemy_Check:
9 z- C% h! w2 x' O+ _7 F6 E - LDA Enemy_State,X
4 r/ N+ E. m: T* j X* g1 D - BEQ Find_End_Enemy_Check_Continue; z- r d$ I5 W3 D" F
- LDA Enemy_Blood,X# ^5 ` a8 D" V) \9 j+ z$ a
- BMI Find_End_Enemy_Check_Continue5 z9 l0 m) S: d7 u5 j( p- V
- BNE Find_End_Enemy_End
5 k- L) i6 ]* `7 { -
& k" S/ _, |" r, \ - Find_End_Enemy_Check_Continue:$ q0 |8 l* |9 L! _8 u5 z/ S; |8 W
- DEX' a2 L2 D8 G0 g, y4 t6 c( S# v1 o& k8 F
- BPL Find_End_Enemy_Check
0 l; ?+ h$ U+ a2 n& z" K$ Y3 ^ - Find_End_Enemy_End:
9 s, s" ^4 t$ n# ]0 ~# o4 @: V4 a - STX Enemy_Index_End6 X! ]$ n. U r
- RTS1 f" I- f5 @# c; M, k8 e# l
0 q# X5 W1 n0 ]2 {7 O- ;子弹追踪
9 b$ Y6 K2 E! p& x! {; }: A2 I - Bullet_Track:1 C1 G k* G! K
- LDA Enemy_Index_Begin
0 L4 e5 b3 z6 k: d5 V, r- G - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;2 l& r) m6 a7 P
- LDX #$00
3 P9 c+ {4 z, r! x! h% @ - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
* H4 l( K1 ?; t, G. \1 w - LDA Bullet_State,X8 w5 z8 ^) G$ C9 _4 L
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
/ j4 E7 [- h i. b$ K - STX Loop_Index_I' x, F- R3 k# I1 S* C; H' m
-
: H6 ]4 T' E# Z2 j - JSR Bullet_Track_Enemy
! |! b7 P3 p$ g' R* y) L - JSR Bullet_Tract_Direction
5 z5 ^" u6 p" r% g - . p0 Y& x. m+ d: d* b( S$ |4 V" e' e
- ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪
% }- _7 Q: k# Y) ]( h' ]+ s - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
8 X* A+ z* E+ G* { - LDA nEnemyIndex0 l2 j9 h+ b; o: E4 P
- CMP Enemy_Index_End
/ I0 M- v. H/ _* T. j# o - BEQ Bullet_Track_Check_Continue2 `' w" Q! X8 v1 F
- BCC Bullet_Track_Check_Continue% \ {" Y, I1 M* N. S" q
- LDA Enemy_Index_Begin
) T* u P/ [+ Q. L1 d - STA nEnemyIndex: B1 c c1 g# p
- ' b0 t ]- x9 e: s! _1 b
- Bullet_Track_Check_Continue:
% M" j8 v/ D1 r3 h G7 S - LDX Loop_Index_I/ J2 x8 N/ w; J8 @% r0 X
- Bullet_Track_Check_End:
: J0 a6 b9 k3 g8 S6 | - INX( S M0 f/ I3 Z+ ]! s1 B$ c
- CPX #$10 K' N1 W3 `4 {2 }, a# t
- BCC Bullet_Track_Check( ~9 P0 w0 C$ r
- Bullet_Track_End:8 b9 V# \7 [8 `
- RTS
, I6 u5 }3 X) T f -
% V3 D) S% S4 E& s - ;给敌人分配子弹
5 j+ R1 h4 O7 z( I" [ - Bullet_Track_Enemy:( M. s j0 @) `% W) L0 s
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
, s: F" j( o' D; ? - Bullet_Track_Enemy_Check:0 w$ d. h$ |' |7 |; x7 X( {
- STX Loop_Index_J4 L7 m+ O% M+ ~
- ! `% d6 q4 |: ~, y1 R
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
9 [+ K) c" N( T+ L( p0 r - LDA Enemy_State,X
5 i3 V/ ]4 W; \% B7 K - BEQ Bullet_Track_Enemy_Check_Continue, S2 |3 z1 n5 {9 ~; \
- LDA Enemy_Blood,X
: `" L) [ |8 F& w; D: R* V1 E) J4 ~ - BMI Bullet_Track_Enemy_Check_Continue
. q- g2 m& ^( P b% D - ' L" r0 E: w8 P8 W9 M: d& S2 @) y
- LDX Loop_Index_I
5 n# U; \% H3 q9 E - LDA Track_Enemy_Index,X, V2 A* w* G% P6 D3 E
- CMP #$FF$ X, W2 {3 j* n6 X- b. _7 u
- BEQ Bullet_Track_Enemy_Init
) W# ~. m v# ~8 K7 o0 C: ? - : `: m( f" n4 N! W7 v
- Bullet_Track_Enemy_Init:: D! y# u5 c2 v% v
- LDA Loop_Index_J
8 s9 D+ ` p' k: T' t, w - STA Track_Enemy_Index,X ;nTrack[i] = j;% E- J6 s( o" f6 a& O/ R9 k+ d
- 3 [/ f4 w, ]' A1 W, _) `/ O. h- A
- STA nEnemyIndex
9 s: i/ l2 t% B' u, P - INC nEnemyIndex ;nEnemyIndex = j + 1;' t8 O9 A+ n6 r3 s/ O
- RTS ;break;) ]& V0 I6 j! m' B5 f# V3 L
- $ `2 W2 W4 g4 E' Z$ t
- Bullet_Track_Enemy_Check_Continue:* G' X% y9 r$ { t6 c6 v0 x t
- LDX Loop_Index_J
0 g2 N$ m& E" y) t! S% D$ i - INX ;j++
% x# E8 P9 y8 ]/ g - CPX Enemy_Index_End
+ g: u9 Y! p8 L( { n; B. `' t - BEQ Bullet_Track_Enemy_Check
$ g) n2 K& z$ {4 \3 o% d2 x - BCC Bullet_Track_Enemy_Check
) [- ~; I% h' W( m - Bullet_Track_Enemy_End:1 R' q: h ?4 v9 u: }' @! D, ?! S
- RTS
. ^9 W, ]8 C4 m: y! R' |# {3 T8 D - 1 K7 a6 r9 `8 x+ ?4 }
- Track_Enemy:, `* @9 u3 ^ p
- LDX #$0F! E6 u2 W- m* z+ u
- Track_Enemy_Begin:1 r2 { V5 b, o1 k8 Z! b
- LDA Bullet_Icon,X% [/ t! X! X( F: w
- BEQ Track_Enemy_Continue
2 F* \' W7 P5 s! C% V4 P+ X w - LDA Bullet_State,X# d" [7 d* M+ b; b% q$ Z; }3 D' @
- CMP #$01% T+ `+ ]; N" `
- BNE Track_Enemy_Continue1 u+ i- v8 ?/ }) n
- , b* \5 f+ n& P) \( I" f
- JSR Track_Enemy_Process0 m4 c4 O1 m" s& ?
-
: h7 U- W' |/ g- u/ } - Track_Enemy_Continue:& ]: P! n. O- X
- DEX' ~+ u- G+ \; m' q% v- {7 w
- BPL Track_Enemy_Begin
; U% C2 ?% y% u% Y6 h - RTS. V9 s( b3 ^% @( B2 B( W) T
; M! u4 g- L4 h s' X. n0 g. b- ;普通关卡
/ a! l8 ~3 J* O( `% {2 e - Track_Enemy_Process:' y% s4 G" C7 [4 J: A
- LDA Track_Enemy_Index,X/ r9 A) D. o; d4 {7 W3 e
- CMP Enemy_Index
# B H u/ z5 _, v( ]1 s ^0 K: u# f - BNE Track_Enemy_End
- e8 t% a" d L" {9 M - LDY Enemy_Index
+ h" e/ Z% r& f1 n, M - JSR Track_Enemy_Y
( ]( B( Z* ~' U& N - LDY Enemy_Index: c" p) D! [5 b
- JSR Track_Enemy_X8 {% H, d. ?/ B7 C
- Track_Enemy_End:2 |! k/ i: {& B
- RTS: g0 f7 s3 q5 p/ P
- ; v. j$ ? Z! z" R" F% J
- Track_Enemy_Y:( L1 E3 P+ ]8 Y& i, n
- SEC0 A# E6 A0 Q2 e) V( i
- LDA Bullet_Y_Pos,X# O0 W) A6 {7 |$ s
- SBC Enemy_Y_Pos,Y4 F) ~. Q" E4 }: A+ a% a
- BEQ Track_Enemy_Y_Equal
% a: _* u) O& V. v; | - BCS Track_Enemy_Y_Greater a2 J& q2 C/ w
-
- r& y* l1 h. E, u' ?3 ^+ C - Track_Enemy_Y_Less: ;子弹Y < 敌人Y, [0 t+ b9 A2 Z* C. H5 Q
- CMP #$FC
# H& U$ R; P9 R1 k2 h$ h; _1 X - BCC L1_1
; L t) F" I# [" M - CMP #$FE$ s% e: O! }/ n" A5 y7 H
- BCC L1_21 S: w$ G! K$ X5 d
- LDA #$00
. U7 |/ J; Z) v4 l. E - STA Bullet_Y_Speed,X
3 l5 o2 C* ^7 [% A# E" F - RTS+ h% \7 Z$ s8 _. D& M
- L1_1: 1 U3 T; V/ d) i+ d3 m3 u
- LDA Bullet_Type,X( c# k- o5 q0 c& F
- AND #$0F$ q1 t' j- }; X/ d: A9 h$ @
- TAY2 |- x) `; n7 n9 H0 o3 I) M: K
- LDA Bullet_Speed_Data,Y. W$ U$ g: r' h% A, |
- STA Bullet_Y_Speed,X0 j- p9 A( ?& w
- RTS
% V# D5 z9 l$ E1 v - $ k9 M5 x% ^& K# O h1 N7 f
- L1_2: + q) J, J. _( t, D
- STA Data_buffer
- Z) |, T J! C" t - LDA #$00
: _, I0 F8 |6 y+ O h; I9 n - STA Data_buffer
" p" Z% |6 t! w9 B9 H - LSR* A! C* |9 y! \3 S% _( I" \5 a
- STA Bullet_Y_Speed,X- O* M, A( E% v, @1 ~
- RTS' g! A; Y0 M1 u7 U [) F
2 K: ]8 h6 S7 G3 T- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
( p8 u7 Y/ `- P4 e; M6 J( F - CMP #$04' p' }! s' @3 k4 s8 J V- G- b
- BCS L2_1
6 _5 ?) K8 j* s - CMP #$04
% I3 O4 F1 c$ x& f; f7 C - BCS L2_2/ J, C4 W u$ z7 C/ V8 u8 M
- LDA #$00% l: M) }! B7 w, b* A) E
- STA Bullet_Y_Speed,X) X4 U. u" m6 x X
- RTS4 M% ]( L! U: s: l
-
% p9 t4 e. U4 U+ |: X2 i/ h+ g6 u - L2_1:. K2 \) l( @; G/ C3 B. Q b7 W
- LDA Bullet_Type,X
) M4 C6 _: D4 ~* L - AND #$0F
5 y9 N$ ]0 j. G {2 L+ C" ]% K - TAY4 Z2 z; u; q Z/ U# g, S' s
- LDA #$00* {4 c( O+ {# l- P+ k0 ^+ s- m
- SBC Bullet_Speed_Data,Y. a# w/ H: V( A5 y5 Q! f r( _
- STA Bullet_Y_Speed,X) F/ B- Y6 j* n$ h! E7 E
- RTS3 d! d/ T c1 D8 e* `( u) _: V
-
# H. ]& m4 `% r - L2_2:, M# ~: K8 o$ S* m
- LSR; z) ^1 Y7 k" ~; L1 V
- STA Data_buffer7 ~: u, F, H1 y4 g
- LDA #$00+ R3 G7 x( ~7 x H' l8 c4 I
- SBC Data_buffer3 O2 G6 z2 H# I b& F0 T" O {6 |
- STA Bullet_Y_Speed,X
) S; n% Z/ Q' r: @, Z* ]; D$ i - RTS
& U! L# @( N2 z) t) j( a -
( _, Z9 _* z0 d - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y- j- P9 `5 N7 W( S8 T& _' K+ d
- LDA #$008 x+ G* S$ |' y
- STA Bullet_Y_Speed,X
* `7 n! r, L0 j7 Y$ e4 R - RTS
3 ]8 k6 {4 _0 h. D2 c+ G - . \3 R7 u, {7 y$ Z0 i4 J+ u- Y
- Track_Enemy_X:
- K7 g; |- p4 \+ ?5 Y6 k9 [& B - SEC
$ r9 {. n/ p! ]5 l$ |0 E' I* W - LDA Bullet_X_Pos,X: ~( @! y$ ~2 x. [4 F0 n
- SBC Enemy_X_Pos,Y
: |' O) Y6 O0 I; G% Z - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
5 a8 J; I8 ~# ~! a, p - BCS Track_Enemy_X_Greater ;子弹在敌人下方1 D; m1 ^( M6 ?$ j0 d
- 3 \+ a# E. Q9 G/ r3 ]
- Track_Enemy_X_Less: ;子弹X < 敌人X
7 l9 Z* }, V9 \8 F7 p8 E: H/ |, g- j - CMP #$FC
) ~8 T0 x- {# t# q( t0 h - BCC L3_1+ b( W8 s8 E$ i' r: G) ^- F* Z% X
- CMP #$FE
6 O' v% h s. i - BCC L3_2
9 L( O9 j x$ v9 m; u. x" c - LDA #$00
) M5 n3 X7 ?* N9 k1 |, Z5 y - STA Bullet_X_Speed,X
( q8 z' W# L) A% {! x - RTS
, ~" T1 w: `3 Y8 K - L3_1:
0 N% ~: ]+ X) n$ r; g$ c6 \" e( d - LDA Bullet_Type,X
" f8 }: C& ^( q s- T* c - AND #$0F
, M" x+ U5 T! v* j9 C6 R* b' F" S - TAY- d' c4 U3 z1 z w
- LDA Bullet_Speed_Data,Y8 |2 l2 d& k: J6 C
- STA Bullet_X_Speed,X! c N3 e% ^) x8 V' j
- RTS! S% q6 w& a+ A! v s3 B2 e7 j
- L3_2:
. T2 B( n6 x, j5 E' x) y. j - STA Data_buffer
. z4 u: m0 q/ b6 H6 A - LDA #$00
& @+ M; ^! v; W - STA Data_buffer
" H C. ]' \6 X" I - LSR% {" A; g5 v; ^1 @
- STA Bullet_X_Speed,X8 q( x7 Z9 c3 C' ?
- RTS
8 a" A" O5 v$ ?: L; X' z -
, l; J+ U4 V0 r) }9 H! t8 ` - Track_Enemy_X_Greater: ;子弹X > 敌人X
8 N1 k0 [" Q; a - CMP #$04, o- V: ?- N% [3 i0 X$ X( B/ V1 x
- BCS L4_1! W4 ~ B. K9 l+ X# T
- CMP #$028 j& e' S e( q, _( }$ T8 }* M
- BCS L4_2
7 Z- b4 H+ N- t! C* F; q - LDA #$00
8 i, B* P4 H: K- Z - STA Bullet_X_Speed,X3 z1 z# U7 n3 V* e: s
- RTS
, \" k4 l7 }. D& d! d -
, X9 ~& E4 e/ ~5 c - L4_1: 1 O* I5 a% N& v* E( [
- LDA Bullet_Type,X
( c5 Q8 @1 p; X( A - AND #$0F7 B2 F/ k; @! H( e5 g$ v) O
- TAY
9 I8 ^. h, J/ j* c) Z; e - LDA #$00
8 k/ e, M0 @4 q. w0 u - SBC Bullet_Speed_Data,Y) O6 ^( K( Y( y4 |; n% u* X
- STA Bullet_X_Speed,X4 b! X5 ?+ B, d5 j/ h$ \; s( a% Q
- RTS
1 {( _0 c$ C6 u( F$ H - L4_2: - J N4 l m' |1 M. v4 z1 z
- LSR
4 @1 ?4 ~ I# @- v/ t - STA Data_buffer- t- A) Y9 Y5 z
- LDA #$00$ C" E% O& B/ ?$ t0 ?; F
- SBC Data_buffer( R: j0 Z. O5 M+ V) `! ^
- STA Bullet_X_Speed,X
; E/ T1 m! c* |7 J9 Z4 ]5 ` - RTS$ c: s$ L' ^( A: @7 m
- " C, T# |$ `2 H( G/ k. R( j2 [
- Track_Enemy_X_Equal: ;子弹X == 敌人X3 [2 g8 q+ [ a/ B6 @
- LDA #$00
3 k* X4 j9 K" e( T) y* {; S - STA Bullet_X_Speed,X; j9 |, x. n2 [ E w
- RTS5 |( ]2 S+ D' n
-
! t. G0 y) ]9 o) i+ Q - Bullet_Speed_Data:' B' ^5 g0 N( w" e. c
- .DB $00,$03,$03,$02,$03,$03
/ k" j+ |( p+ V -
0 l% H, w! `- ~' K - ;2, 4关
" B! d6 c. \: s! S% l/ I4 M1 T) K - Track_Enemy_Ex:
0 `2 d/ O$ Z G$ v: C; O* \ K - LDX #$0F
& H) P; X" }& H5 B8 @4 ~ - Track_Enemy_Ex_Begin:; D( l: x+ w# `* ?/ h
% W9 l3 {6 k! ^( y F. e- LDA Bullet_State,X
; H2 d0 k3 |) G2 c L - CMP #$01
& V6 f7 @4 `: W e5 ~/ g% f4 k - BNE Track_Enemy_Ex_Continue7 w, ?0 M" f2 q" w/ t- K7 O
-
% I$ Q1 K: {2 I - LDA Track_Enemy_Index,X; v( G8 R [3 [' t9 k0 ^. `0 k
- CMP Enemy_Index, I: x/ ^# U/ N% W6 {3 N \5 N4 M
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标# n+ Q: Q4 R3 K; a. ? t: M
- ' {" o2 I" n' o; y4 q' z5 |+ k
- LDY Enemy_Index+ |/ B) r6 O& e% d* t. B9 M
- JSR Track_Enemy_Ex_X9 V( [: Y6 k9 E! v) X9 u
- 4 j; h* |0 K" H) {# h8 X
- Track_Enemy_Ex_Continue:0 K/ @9 L9 c! {" |
- DEX) U6 u) w- { {) }
- BPL Track_Enemy_Ex_Begin1 @" L9 t% \; z0 Y; v
- Track_Enemy_Ex_End:3 K: X8 F: a8 F+ {, X; q# o0 x J
- RTS
3 t+ E' c7 E. i' e0 ~) H. y2 N9 W0 L: F - 6 l- Y) y% ^1 \9 W- c3 ?* W& M# ]
- Track_Enemy_Ex_X:) [" m# M5 A1 Y, o& V N# L9 u
- ;LDA Bullet_Z_Pos,X
& ?: [3 I% C4 C) A5 \5 X/ W8 [2 ` - ;CMP #$04& ^' E* G; a2 r( N% A w: B
- ;BCC Track_Enemy_Ex_X_End
( K1 ~6 p* V$ I0 f - SEC
- h7 v' f. \+ J: t6 r- A- z5 d' @' R" S - LDA Bullet_X_Pos,X
9 Z1 ~( @6 {1 G7 r% R2 ~* V - SBC Enemy_X_Pos,Y
+ ~ A( I: Y# @- E" P) N+ t( Z" u - BCS Track_Enemy_Ex_X_Greater
, @0 R% @/ Q/ K5 M. S# P -
! ]% u5 G+ {1 \3 i5 j - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X q1 C4 U: ]6 @( M ^
- CMP #$FD
# B, q5 r; y; I$ D, H - BCS Track_Enemy_Ex_X_Less_End9 z Z3 m7 q2 Y" w. R' `4 U
- LDA $6020,X, f& B% z. @$ _. I
- CMP #$2A3 d- r+ I/ h5 h6 K/ ^, m8 K: i
- BEQ Track_Enemy_Ex_X_Less_L1) o: V2 v; ^4 I6 u( |5 {
- LDA Bullet_Z_Pos,X& {, o9 H+ N4 k! m" H0 v/ h
- LSR7 g) ^/ J5 G3 e
- TAY7 h5 l* Z4 O- d4 j* V
- LDA Bullet_Speed_Data_Ex_R,Y
0 k9 ]/ ]8 s* d3 V3 @% h - STA Bullet_X_Speed,X
7 i1 D& N1 M( t- K - RTS. x& k' S, U7 J& M4 ]6 V
- Track_Enemy_Ex_X_Less_L1:
8 ?& H& N4 E& p: r" a D
, Z/ m- S E: H1 r) F2 j7 H5 u- LDA Bullet_Z_Pos,X
4 V8 A$ R z) t! G$ M5 j4 H* A - LSR
1 @' m; t2 Q! _& Q9 W j - LSR
) c. z! F( Z) {8 b m - TAY* l) L8 S" r# Y
- LDA Bullet_Speed_Data_Ex,Y
; L2 t8 ^- \! p* a* v* ?% q - STA Bullet_X_Speed,X6 p8 M* G! Y( Y
- RTS
2 k" Q" E& [8 f5 g -
: {+ y; O# r+ ]2 _: }+ o4 R - Track_Enemy_Ex_X_Less_End:
* V% W; U! R; r4 }; } - RTS$ b( L& y& D0 e, [- h% j0 y+ P* z
; o2 q$ I% X# l- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
' s& r; D! m) ?5 E - CMP #$03
; O) O& W" k3 L - BCC Track_Enemy_Ex_X_End% N; Z4 N [. m6 d8 [9 K5 l
- LDA $6020,X7 Y' J5 }3 _. |. s: F6 L4 y
- CMP #$2A1 y2 o& Q" C9 ~
- BEQ Track_Enemy_Ex_X_Greater_L1
) b) m3 o! q, s/ e; v. A$ j" Z. d$ U - LDA Bullet_Z_Pos,X
, s6 x! r% z- i& f& Z5 M$ k+ ` - LSR: \% ?9 [; ~8 l( q d& ]- ~ ^
- TAY
- X8 L; k+ v$ u( G1 o - LDA #$00
' u' f6 Z$ U1 w - SEC
0 D) w) O: ^8 p, D# R8 C) K3 t - SBC Bullet_Speed_Data_Ex_R,Y- s+ @& V- ?- K0 h; {
- STA Bullet_X_Speed,X
0 B! a9 o7 R) [ - RTS
# m. W: p/ q+ g, L ]0 P - * ~" s- Q# q# O8 O& i
- Track_Enemy_Ex_X_Greater_L1) u {7 C: _9 Y5 J+ w7 C
- LDA Bullet_Z_Pos,X
# B3 V: O) [8 o* s- C/ j - LSR
7 E# x( J( K3 S1 \, K - LSR
4 ]2 Y) n% @# D7 ~6 h7 p$ ~, Q - TAY
! { v, k6 v* K# Y$ Y9 O" m - LDA #$00. |( p6 i: Z, l4 a$ Y4 @ l+ P
- SEC
" j4 e" w" D0 D, a* }7 o" B - SBC Bullet_Speed_Data_Ex,Y- U+ Y+ T" n' z9 A0 Q4 L( n$ r
- STA Bullet_X_Speed,X1 D R6 D8 O* N; N
- RTS8 r+ D4 B( I4 b! C7 s
- ) I0 M/ U, E; T- ~' U
- Track_Enemy_Ex_X_End:
# C q0 Z: p" r& N( R - RTS% W C' Q" |6 i1 Y
- * K# R3 C$ `/ G1 P. e
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)7 {2 X A" ~. y1 x& [
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
3 _) G$ g. e1 Z6 v - Bullet_Tract_Direction:4 i5 H: \" S- j; k6 {! O
- LDA Bullet_Icon,X r% m" z' G" s& {
- CMP #$23
( x2 b' k7 j8 O1 D - BCC Bullet_Tract_Direction_End
9 T4 A$ O* }" b. P B -
2 v* ]* S2 p; j4 W) z - ; X != 01 \0 D q. u0 I* S! x1 i; `1 Y
- LDA Bullet_X_Speed,X1 m6 q5 Y" F, y6 n4 `1 b9 I( e
- BEQ Bullet_Direction_V0 \' X. w3 r. g0 L( s7 O5 L1 M8 {
-
" t$ g9 V& `, L c - LDA Bullet_Y_Speed,X# G: U( s7 T5 }, K" A9 V. Y
- BEQ Bullet_Direction_H
* u) c) e4 ~. |, Q" u( d - : h; }. f4 h7 `1 d
- LDA Bullet_X_Speed,X
! C& s4 x; Y+ J2 H8 H& \3 w - BPL Bullet_Tract_Direction_Right' N, o2 a4 M& n. _
- Bullet_Tract_Direction_Left:
0 \2 P. c6 W4 | - LDA Bullet_Y_Speed,X
, W% L% v5 ^; e2 i- w) a. `" [ - BMI Bullet_Direction_Left_Top
* y1 N( O7 C! p4 ?8 S% s - BPL Bullet_Direction_Left_Down
! L: J7 n8 m4 R! W+ c- S - Bullet_Tract_Direction_Right:
' }+ D6 V! L+ c( B$ ` - LDA Bullet_Y_Speed,X
& c7 D, X3 @# l) w% O( I - BMI Bullet_Direction_Right_Top. n9 b3 s1 b% q# ]1 u/ ]
- BPL Bullet_Direction_Right_Down
7 }9 F7 h1 n1 ^% D% d, c - Bullet_Tract_Direction_End:
( ^. I5 Q# Z# |6 Q) _! ~2 K* o - RTS
% }5 X# ^- s& _2 d
8 n6 Q6 Z* W- K' p$ l; D- Bullet_Direction_Left_Top:
( q, G5 z1 E4 o4 h2 u - LDA #$25
; N4 t* }0 i8 k$ S9 o9 m1 f - STA Bullet_Icon,X8 V* z% w& ^6 r1 ]: j2 q* u
- LDA #$C0
1 }+ `2 J0 L! }) z$ M3 u" @ - STA Bullet_Direction,X
/ k8 H" L+ n" Q7 P% S! r" F7 e! W - RTS
% {4 n& {: M1 f% f
! F. q& F2 z3 U: o; T1 ?) L- Bullet_Direction_Left_Down:3 b0 ^+ _4 U2 Y2 ~; Z* m" P
- LDA #$256 z+ J e3 I) b M
- STA Bullet_Icon,X0 K/ |7 g r" ]% p" N0 j
- LDA #$40
4 K$ B5 f; c" ]) G - STA Bullet_Direction,X0 t- g7 i6 G+ h" n1 {
- RTS
5 n# i5 w( {. V
, }- T- G- Q: s, I- `0 x, v; W3 ?- Bullet_Direction_Right_Top:
9 j3 P: ]) V- |" m P/ x; c& e - LDA #$25
) A. O, t, c$ s - STA Bullet_Icon,X4 P; P& Q7 D7 E3 c; V4 j
- LDA #$80
3 X& Z! ~, D. x2 w* p1 v: v - STA Bullet_Direction,X
# l7 n. |# e6 y - RTS
3 n7 D" j4 H+ v3 g) m/ ? - 4 ?. B) L0 O, b5 o! b: M
- Bullet_Direction_Right_Down:
& s: L- C9 @& h: D - LDA #$25/ ~* C- d0 u, b, z
- STA Bullet_Icon,X
Z2 O1 X: }! B# z, p$ c - LDA #$00. `& m# I1 o+ P+ s* \: E
- STA Bullet_Direction,X
4 a0 g h9 Y% e7 K4 ?. e - RTS
/ c4 E# s2 o8 c, O, [" ^9 F! D) R - 5 {" @' v! h: e) h3 s, T
- Bullet_Direction_H:; D$ X8 F2 L) h$ b5 X1 ]2 s [3 r# `
- LDA #$246 v8 A4 [. h9 M+ I% R/ G0 e
- STA Bullet_Icon,X, l A! V/ U7 P' ]* h
- LDA #$00
$ }9 L5 H; Z% j/ Z! s; G: m+ Y# f - STA Bullet_Direction,X
/ ?8 |* M5 Q$ P; E. ? [' D - RTS' s. J1 O1 L& ?" h2 b; V+ N
# z. a$ ?+ {( R) }- Bullet_Direction_V: r- z8 k' D p. g9 w$ d4 m
- LDA #$23
8 a ~# R/ H! W) ]& Z. A) d6 \% l" | - STA Bullet_Icon,X
8 H3 l3 e2 {) W" W- V w! u - LDA #$00( u2 ?2 c; @2 \1 A) b& B- \% I
- STA Bullet_Direction,X' U+ A5 Y: d& O
- RTS
- j6 {1 B* ^9 |0 x# k( X2 \+ K! g- J0 S
, `. M1 a! Z. N: W4 ^) }- Bullet_Speed_Data_Ex:8 o) U/ a5 [+ H; I S: e
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04* ~* B+ ~% {6 Q9 H1 Y! ~$ `
- 5 H! O% K1 _' `& P& F o7 {& O, x2 J
- Bullet_Speed_Data_Ex_R:
& S/ n* `+ A' p - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
9 j e0 e* W+ i; z+ r -
复制代码 $ V- J7 l2 c) q
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