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[FC][魂斗罗][J][追踪弹]
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0 y" y/ ?& X0 l/ O, b* b; z时间:2023.04.309 r& d) m( q7 ^
作者:FlameCyclone
, x% ~6 w4 D5 [' [; _% s( y内容:
4 u0 r& x' j8 W8 u& c/ ~: C" S 1. 所有子弹追踪敌人
) ~& Y1 V2 i$ g; o2 z1 ~5 h! R% h 2. 选择键切换武器9 b+ T! ]4 Z- r" h2 s
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! \/ d8 D9 h. W. I, G! w
% k# _' S' B' E* B: y8 }flamecyclone.ys168.com
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( \1 Z3 i, J1 R2 N3 `- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁* d. n! n, u" }8 {
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L+ ]) N& _# G3 d' n- l9 K2 z7 T% M5 g
- 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)& l& l4 I+ [/ ?4 T( I9 m
- Q6 H5 r7 u6 `* n; ?- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)2 h$ ~6 ~" [, y4 n# f
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
) h, l6 w E4 P8 G# q3 V ` - 2 i" `! d9 a6 Q# a' t: U" \
- Track_Enemy_Index = $6000
, X! J' |+ _+ \; O/ b - Enemy_Index_Begin = $60102 ]' w+ F- g0 }
- Enemy_Index_End = $6011/ j4 P( i) J( r: N! `% U3 q F m T
8 g- q1 o o! u9 q* F- Loop_Index_I = $60121 j; Y% Y" H2 e8 _1 S2 v- q
- Loop_Index_J = $6013
|! U: g5 S- {+ C5 T - nEnemyIndex = $6014
9 Z/ Q0 B( H& `0 K - Data_buffer = $6015
. }! G" m/ O8 ^7 Q% b4 S3 l
3 ^( ~ E) S) U5 E7 u7 x6 K* t- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
- t& b/ o# o8 d& G - Bullet_X_Pos = $03C8 ;子弹水平坐标
6 ` q& j3 H. h- @! K j5 G - Bullet_Y_Speed = $03F8 ;子弹垂直速度
) m( n) ]( i" B - Bullet_X_Speed = $0408 ;子弹水平速度% X4 h- G( M' ^0 O1 c7 i
- Bullet_Z_Pos = $0418 ;子弹Z坐标
n* E% j9 a. h: b( F' n - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P) K4 V5 f) M9 f2 ]( u V% e
7 k9 a5 _" ]3 x3 t3 \- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
0 z7 l4 T- j) b" `; a/ m5 Z B$ N, t6 ~ - Enemy_Blood = $0598 ;敌人血量
1 o* d* o5 V3 D- ?2 D/ P - Enemy_Type_Addr = $0528 ;敌人类型
& {" I' _+ B' g' t( w - Enemy_Blood_Addr = $0578 ;敌人血量
9 q, h4 W2 a6 j% F - Enemy_Y_Pos = $0324 ;敌人垂直坐标
) H5 X; t( b Q# `0 ~4 J - Enemy_X_Pos = $033E ;敌人水平坐标5 U' r/ y6 {2 r: k7 j
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
+ [3 i4 \$ ~ h- [% ^1 h$ A - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸) E& g. m- e. q$ }8 a
- . |: A# G& h- z8 O9 P2 k9 Z
- Enemy_Index = $83 ;7 O l- h/ O3 e+ H _3 N! p
- Time_Count = $1A
- t) u9 [- X* P) n7 D! f - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率5 \: d% o" _+ O% B
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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9 o3 ~3 A- u) {! ^" f5 j- * ?) z- @0 l. g* J* l
- .ORG $6100
5 G- }, G L5 X' `1 }: d - Process_Begin:+ Z/ O3 {" B, a1 {! T* e
- JSR Enemy_Check
; V1 E+ q6 G; m - JSR Track_Enemy_Check
: V: o4 Q/ ~! ?# W" s - Process_End:
: B. a- C5 m7 c A( a; Q - JMP $E54F5 J9 l8 U! X7 C% L7 y
/ O; y* e+ R- b8 K+ }- Enemy_Check:7 t) i) P7 L7 D* ~5 L3 b2 T
- LDA Time_Count( h/ _& S: |- N* w/ W2 g! `
- AND #Track_Bullet_Speed
1 Z7 E! |4 g. ]7 o6 M% D - CMP #Track_Bullet_Speed
1 d' k( N3 X9 `5 a) x - BNE Enemy_Check_End
* `) Q. B1 R" u9 C9 D3 [ - LDX #$0F
; C& ~; @$ g7 f1 d - Enemy_Check_Begin:6 u F' n D' T* d& L5 y
- LDA Enemy_State,X% ]" m! X8 h4 y5 i/ O$ S( S5 U" T
- BEQ Enemy_Check_Continue
5 F4 \2 s+ d1 q1 M" e4 v5 Y - STX Enemy_Index9 L! l, m& y! E! z' d
- JSR Find_Begin_Enemy# e( |( M/ t7 r
- JSR Find_End_Enemy
) }+ K( m6 F. I. X - JSR Bullet_Track1 W* Y' N' {3 B; e+ ]
-
) Y; u) G) ]9 B+ a - LDX Enemy_Index5 u' k0 m# Y( O
- Enemy_Check_Continue:4 u M$ U, q/ B: b& _
- DEX
! A$ _. B: c7 J' d4 B2 R. b - BPL Enemy_Check_Begin
$ |2 V) w0 P1 |- k4 U - Enemy_Check_End:' S7 x6 S2 @% h$ N* b
- RTS
' }7 H2 V. v# O) ^. l% Q* Y; { -
/ ^* h, ~1 [5 z" G# |2 L/ q4 v& N - Track_Enemy_Check:7 j; ^; k- e+ s+ E4 U
- LDA Time_Count
8 z2 V8 X7 @- v7 }, r - AND #Track_Enemy_Speed
% @" Y- r9 B, t# x" H4 ~5 f/ B* n - CMP #Track_Enemy_Speed8 P* r) U9 L8 V/ s
- BNE Track_Enemy_Check_End
! U, [3 ^8 K' ]# P7 _; x% ~! J - LDX #$0F
7 b2 K7 I9 u$ \( Y - Track_Enemy_Check_Begin:
7 j- N8 b0 n3 b9 W9 O* ~3 O1 | - LDA Enemy_State,X. @) c1 J, l3 y4 \
- BEQ Track_Enemy_Check_Continue0 `) `* X! o( w
- STX Enemy_Index, z5 f0 [- w; b8 v+ u6 l5 l1 K4 n
- 5 n- e: v% ^2 Z4 o% V: g
- LDA $40: v5 f, ]+ i! S- f/ e$ D
- LSR9 |7 k0 z) W' ?/ `* t3 b2 w
- BCC Track_Enemy_Check_Begin_L1+ ]5 x& y! N. m3 g; _/ O
- : {9 `1 }/ M4 ]$ q
- JSR Track_Enemy_Ex ;2, 4' L( C6 G9 c, z' I8 e
- LDA #$00
2 c! ^. J4 h. N& w0 P" l: a - BEQ Track_Enemy_Check_Begin_L2, ^" ~( b# o j1 C: j3 ^9 r
-
+ z& e5 P. ^/ e* M3 ? V - Track_Enemy_Check_Begin_L1:( U; S) g; j4 I4 w$ g) T
- 3 Y: { \. M5 z+ Y$ S- ?4 }
- JSR Track_Enemy
. Q2 \2 j9 y* C+ h4 l - ( m3 j3 t; `0 Z. o" D
- Track_Enemy_Check_Begin_L2:0 f9 l0 [2 Q& ^& v6 U8 H8 E% V
- 2 x" x- \6 e: c9 ]
- LDX Enemy_Index
9 s% M Q/ E1 Q! O& p+ | - Track_Enemy_Check_Continue:
& J Q+ @$ x, t% w7 r7 A6 x9 Z - DEX
# h& }7 t+ Z4 R! v( `+ O - BPL Track_Enemy_Check_Begin3 J }5 j) R7 a! [, @2 [* v5 [
- Track_Enemy_Check_End:% T0 C- h9 w, a
- RTS
! ^, ?9 m/ u4 C; P
# [0 a+ _. }& e j3 N
2 K& N: V1 z& y" b+ K1 A2 O- ;查找第一个敌人& u3 p/ p% W. Q) M. V
- Find_Begin_Enemy:- v0 n1 b, N' p j! o
- LDX #$004 F* \ r7 W3 c# B. n" u# c
- Find_Begin_Enemy_Check:9 Z" X" M! F4 e
- LDA Enemy_State,X
/ ?: J e. `2 W0 ?7 M - BEQ Find_Begin_Enemy_Check_Continue
* I6 r6 J! E, n# H$ J W# P - LDA Enemy_Blood,X" B$ ]3 k/ B+ C
- BMI Find_Begin_Enemy_Check_Continue: K l1 B4 B: x3 m
- BNE Find_Begin_Enemy_End
& H# P* M; ~9 ~! f -
, a r; c# u4 J6 Y) A) n4 c8 I& k - Find_Begin_Enemy_Check_Continue:6 z. S8 t4 G$ v* A) @5 J
- INX
0 w1 c& B e, v: ?7 r; ~ - CPX #$10
* c9 j K/ V$ K - BCC Find_Begin_Enemy_Check& x2 }+ u) {. b* i" i1 {
- Find_Begin_Enemy_End:9 }8 B6 d7 D' ]' c! M- O
- STX Enemy_Index_Begin8 ^" \: f; L% g
- RTS
w7 l$ ~3 J, u
7 U+ e/ B$ I8 K- ~- o( ^! H- ;查找最后一个敌人
6 X/ X6 U+ d: x( e8 R/ h - Find_End_Enemy:$ E/ `' A4 `0 @# Z8 }; T+ o
- LDX #$0F$ J2 ]+ C0 n$ O
- Find_End_Enemy_Check:
2 ?7 B$ @0 ]0 u5 ?- C& Z! S - LDA Enemy_State,X9 M! V U( z5 I s+ h0 k/ h
- BEQ Find_End_Enemy_Check_Continue7 n2 f2 i0 Z: \ u" ^: [
- LDA Enemy_Blood,X
0 [3 `$ {0 _) j$ |5 F1 {6 n - BMI Find_End_Enemy_Check_Continue" M1 c0 I7 H M( w
- BNE Find_End_Enemy_End5 t% p8 V- \5 O N( P: O$ r: j. S
- 6 t- Y0 ]1 r/ l; e
- Find_End_Enemy_Check_Continue:
% l! Z6 I- U! F! ]4 X1 j2 S - DEX/ S" A6 d. {1 `: w0 K E
- BPL Find_End_Enemy_Check" ^4 ^; u% q# w5 E2 \) M, }5 l+ t A
- Find_End_Enemy_End:( S7 [) R8 H& g4 I5 S3 u3 D. S$ v
- STX Enemy_Index_End
Q$ @7 O, r$ p) L3 o* Q" ?; v" v - RTS' b. h% [* f0 U" U
! \! q2 ^2 s. Z7 d2 c) D- ;子弹追踪
. U+ o: P+ X8 }$ I4 N6 o - Bullet_Track:
9 s: ?# t$ Z- q G Q - LDA Enemy_Index_Begin1 Z9 C- ~7 M5 G6 |
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;8 Q6 _" J' q f7 @7 A% S b5 S
- LDX #$00 % A2 B2 K: V$ \# j) j+ B# J2 f" p, t# J
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
8 `2 ]: p$ q2 B2 }5 W2 H+ N/ R - LDA Bullet_State,X3 N: d! U$ w3 ~9 c1 l
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;7 ]$ }2 {+ E4 N8 I
- STX Loop_Index_I/ r& V- L8 f h- g! O7 p5 b
- O e0 {0 `; V9 H
- JSR Bullet_Track_Enemy3 P: l3 O4 o8 A/ P8 x/ k+ W9 t9 b: L
- JSR Bullet_Tract_Direction2 H* h% C. R. f1 s; Y1 t
- - Z: K; j& v- E' 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
2 D0 f7 _' c. w) h/ }9 {, F - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
7 \' U8 [4 Y8 w/ J - LDA nEnemyIndex. U1 G. F2 {7 N& H6 ]- E
- CMP Enemy_Index_End: c0 V, e, x' N) N' t
- BEQ Bullet_Track_Check_Continue$ t( I' C; i X: z9 H- [
- BCC Bullet_Track_Check_Continue' |1 ~ u. B" C9 n" {/ _- l# ?. k( m
- LDA Enemy_Index_Begin
) j d6 ]2 x! Z9 l+ M2 W& @ - STA nEnemyIndex* ~* U" \" ]' n! K/ f: r9 u/ k
- ' F! w! g, i# u, |! ~, \ x
- Bullet_Track_Check_Continue:
: E# u4 Q* ^8 a& K2 F - LDX Loop_Index_I7 J% Y9 y4 l" r+ I5 c
- Bullet_Track_Check_End:" @% p, J8 t! z7 [! _
- INX" }; D' K: N# S' S5 R/ V
- CPX #$10
: `& t# q# w/ _* X k$ r - BCC Bullet_Track_Check
5 \0 J9 C! N) I9 c8 m/ P - Bullet_Track_End:
2 l2 H3 s8 J' I1 S - RTS8 e3 f: m, l& w/ |: t9 m: E: |
-
' a. Q5 S; ~4 y: e) t - ;给敌人分配子弹$ ?8 m* V5 \6 m3 e: y! t1 r6 Z7 b+ A
- Bullet_Track_Enemy:
( W5 w3 e9 y5 M7 j4 n* m/ _: M - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
* _' [: h3 ?% Q) k: t$ d1 P* f - Bullet_Track_Enemy_Check:0 K' A& H4 S3 t( w. l. W
- STX Loop_Index_J4 p' ^8 I$ B+ L o4 e# L
- . X- b, r3 h: \* G6 g8 h4 b
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
3 X4 k( f: t3 i" p8 E: m! L2 X I8 G1 H - LDA Enemy_State,X
5 N' [: Y1 ]/ Y; t - BEQ Bullet_Track_Enemy_Check_Continue
2 T$ R- X( _) b, }- C" ?4 p/ b' K4 y4 l - LDA Enemy_Blood,X
' j8 D4 K8 _: q3 v& l( l$ | - BMI Bullet_Track_Enemy_Check_Continue
4 u b' w$ l- e8 |: j: y8 L) k -
. @' L# t# E9 {7 o9 u. l - LDX Loop_Index_I8 G6 ?3 H0 e) w5 ?
- LDA Track_Enemy_Index,X
1 }' c6 K- a$ Y+ f" q2 C: F - CMP #$FF: L5 @4 m, F% D
- BEQ Bullet_Track_Enemy_Init
0 F" _! z- G0 O' d3 d, u5 U. _ -
0 M( z) I) ?' G. K - Bullet_Track_Enemy_Init:
, m+ }: C4 O, T0 p) e) p - LDA Loop_Index_J2 \2 A- d- w# t6 H
- STA Track_Enemy_Index,X ;nTrack[i] = j;
/ b7 @7 S3 m5 p" o! s' b9 W - 1 | I2 B) j- a% \
- STA nEnemyIndex3 B* S* y8 N4 ~8 V4 R4 w
- INC nEnemyIndex ;nEnemyIndex = j + 1;
- W$ ?0 C) A8 |; z - RTS ;break;1 [* b5 S. N) w/ v O
- / l3 @' i* A1 _& `0 S
- Bullet_Track_Enemy_Check_Continue:/ h& ], B: P4 K1 ?" X: B
- LDX Loop_Index_J) ^" o$ r8 E( S# A( }" s: X8 i
- INX ;j++9 Y0 ~. x- L4 ~# z3 s# ~2 |6 O
- CPX Enemy_Index_End7 `6 L: i" d6 L9 z- x, J$ P8 |1 V
- BEQ Bullet_Track_Enemy_Check
, @! Y4 e3 v, r6 }5 { - BCC Bullet_Track_Enemy_Check
% z4 l" o; B1 O9 f$ h4 C, @ - Bullet_Track_Enemy_End:
+ S! B3 i- `! e% R' C9 M* K7 r - RTS
7 b1 n7 h- y- e# E1 d1 r
5 A' k" _: L R. f) m8 K- Track_Enemy:
3 h! e8 F j4 G5 w6 C. M8 h - LDX #$0F9 ~0 E9 }+ R, z) a6 X
- Track_Enemy_Begin:. Q& q- \! W7 w T( F' p, l
- LDA Bullet_Icon,X
9 \3 C& E' k1 a7 M1 e; T8 ] - BEQ Track_Enemy_Continue. V" t2 H# F# d; }( b& g+ B
- LDA Bullet_State,X
0 m/ k. Y9 w# H4 B9 s7 g; Q0 n# R" G - CMP #$01
) f7 f& m3 A2 E - BNE Track_Enemy_Continue' |. B$ ]1 x* ^# g
- " o5 S% C% g- Z. @3 K' Q
- JSR Track_Enemy_Process, P+ z6 _# J* @+ a& u# D1 c: o
- % B3 }, N) Q" c$ P
- Track_Enemy_Continue:- @# k ]) Z/ ~/ c5 S w
- DEX6 F- X7 S% p/ [! p
- BPL Track_Enemy_Begin
( \6 k9 h: i- d7 B ^ - RTS8 j' L# \. e9 @ p- m4 @
- , G: K8 I! C' k( e4 d5 N1 g0 z
- ;普通关卡- F6 s, D" j+ @+ I) S2 W- A
- Track_Enemy_Process:2 M. w2 N0 X7 ^3 n- R
- LDA Track_Enemy_Index,X9 Y# Y2 |, M$ G/ V
- CMP Enemy_Index
1 G5 j' E+ E2 |: U* M# T6 w/ A - BNE Track_Enemy_End, K( @% C# H2 J2 ?
- LDY Enemy_Index
; O C! f8 O. n - JSR Track_Enemy_Y
! }. u2 A7 F( M/ S0 Z6 F& r* v - LDY Enemy_Index* b8 @# u7 s! W% I6 ^" a# e
- JSR Track_Enemy_X
7 Z. S4 h/ {7 i: L& A$ L# f u2 l4 Q - Track_Enemy_End:. L c. v- x' j, R2 M+ t) }
- RTS: y5 P5 F, N( n& d
-
/ N3 ^; T/ b) j( G7 L9 U) ^0 U - Track_Enemy_Y:
: D$ N5 X' w6 h1 j5 t: b - SEC
$ L" x6 _ \% k) H' x - LDA Bullet_Y_Pos,X
& a5 n7 h9 I8 f0 B# B - SBC Enemy_Y_Pos,Y
) n' M9 F8 ^! Q - BEQ Track_Enemy_Y_Equal* b: J6 _) F8 J2 Y- w! B
- BCS Track_Enemy_Y_Greater
; f! h" Y- {. _3 U - ! T9 M0 ^" B6 @! B. O0 n: |+ P$ l
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
; Q9 v$ e% M3 Z1 y - CMP #$FC$ M) X4 p( a! J2 c+ j3 B$ L5 t# {
- BCC L1_1
+ h, Z1 M' E" z2 b - CMP #$FE% k9 O4 j% ^1 V' q2 z
- BCC L1_2( o* K# _# k0 s% n/ w
- LDA #$008 n" T0 u+ w4 V
- STA Bullet_Y_Speed,X
: Z& e8 A3 l8 S* y* h' m - RTS* {0 I! m# E5 N# U& I
- L1_1:
1 ?$ e7 w( z5 I9 l: N) | - LDA Bullet_Type,X
: `. z! C4 m- H8 f - AND #$0F
' s! ^7 Y' b# M* ` - TAY
+ _# e9 p; h! g4 \+ V; U - LDA Bullet_Speed_Data,Y1 A" X$ X2 W. k/ | Y7 y$ B' d
- STA Bullet_Y_Speed,X, o2 j' K/ z' Q7 t1 w, g/ F
- RTS/ u" e" C! k# x$ R8 X% W
- , Q# f* d& p g
- L1_2: ' i! }4 r+ q: g
- STA Data_buffer5 I: |4 l: m/ [& o* M: E. p4 X5 l0 }
- LDA #$00
1 X/ r& K1 j# R: s - STA Data_buffer; H* F2 }4 z0 x: o
- LSR1 s2 X0 M6 u- [+ t
- STA Bullet_Y_Speed,X
& h- u, N8 K. V! C p7 P - RTS- C/ h6 f( h% y' B% A
- 8 {! R4 p, w8 y1 U! N( U
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
! ]& U2 P7 `' ?4 L/ p: F; V - CMP #$049 k. h- U# L" ?! e: k
- BCS L2_1
+ p" t2 h! E! ~9 ?/ u - CMP #$04
* z$ A, z* s3 M0 y* W - BCS L2_2
( T N8 _& @5 x& ?% d/ L - LDA #$00
) x1 q7 p, \! e- @ - STA Bullet_Y_Speed,X
1 Y4 C1 F0 X7 z* S9 L, |3 ]0 q - RTS! A# M3 |) Q/ Y
-
/ k, c1 i0 m6 F - L2_1:
* h: g% d3 j3 Q0 S - LDA Bullet_Type,X- s7 V# u0 n, g O* S2 s5 J
- AND #$0F
2 B$ e- i1 `+ T9 U9 N - TAY- S/ r, f6 ]& b1 p& y! G) \! \. `
- LDA #$00
D$ ?/ q2 O- I; H% O5 W9 ^ - SBC Bullet_Speed_Data,Y5 ~" x5 d' d" d# A1 m
- STA Bullet_Y_Speed,X3 {! K/ j, X) R- h
- RTS" ?* b8 A% p' S$ {7 O
-
. r$ i& m1 Y0 z! h* d$ X* O - L2_2:. ]6 S4 Z7 e$ B f/ u N; [8 j
- LSR2 F! U/ s( f7 T9 g- _8 W
- STA Data_buffer
( N& z" L2 n/ N, y - LDA #$005 C5 [/ L1 O) P7 k" }+ F" y* ]* R
- SBC Data_buffer
! Y2 w1 n6 q, M0 [8 E- i, p - STA Bullet_Y_Speed,X
: L. O9 J6 q: ?, @ - RTS5 e' R# @0 D" ?& r* O4 ]' v
- ! k( R" a6 n1 W6 g5 }
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y" @# Z' G; }- X) G
- LDA #$00
3 C" j( z9 e; Q2 d - STA Bullet_Y_Speed,X
& p1 L1 G& |' N. ]/ v5 _: k, U - RTS
( ~; j. v3 V) B. ]* u. s! c4 g -
- Z3 N( K `. T$ ~3 q- N* X) ` - Track_Enemy_X:
+ z* Z7 k9 g1 ]) _1 I: O7 a5 c - SEC
0 C8 w- u' m2 e7 t# }! l6 P2 W# ]6 K - LDA Bullet_X_Pos,X! r, p0 x, Z1 Q+ l! s. m
- SBC Enemy_X_Pos,Y0 v8 s+ W- T/ S. v
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X" E5 z, Z5 Q% e0 k v3 X" W
- BCS Track_Enemy_X_Greater ;子弹在敌人下方8 @2 Y- Z+ S. s* J4 Q, l0 m
- * F3 `, V( s- a2 G. n* O
- Track_Enemy_X_Less: ;子弹X < 敌人X
! a( r) i# u; \8 \4 m1 O# p - CMP #$FC
0 ^7 T& _3 q* i8 O - BCC L3_1
! R; U; b, u) T e- d; Y! F: }# x8 `4 S - CMP #$FE% k; O! k% ]2 ^1 L I
- BCC L3_2
- [! ]+ [7 }7 B' b - LDA #$001 M: {: e" p1 z
- STA Bullet_X_Speed,X
0 F \! h' m! f4 y( B7 o - RTS
& S" P6 r4 i- ~% ?% ` - L3_1:
5 R% b/ F9 f- e; E4 W6 w6 p - LDA Bullet_Type,X. { R g3 A) X9 \9 m. q. C! o2 p
- AND #$0F3 ?2 C9 ^0 k) m; n" J
- TAY
}; ^5 X6 k3 a, `$ G8 s- k1 y - LDA Bullet_Speed_Data,Y
. c- o% O; a6 d" B% G2 M& B/ ? - STA Bullet_X_Speed,X& k6 X6 C9 Y2 w4 V; A
- RTS
9 Y6 r& N% P% X0 ~6 h4 M3 | - L3_2:
( S# y7 D& s% w2 ?3 T N! d - STA Data_buffer" N; w, v/ [9 G& }' h. o
- LDA #$00
4 b# F( x* @' k2 k2 W' t% ?* k - STA Data_buffer' U6 f. P5 r" `" w
- LSR
7 c+ G: W7 W8 e" ]. f ~ - STA Bullet_X_Speed,X3 D( Z) d8 D8 I& J& g7 ?
- RTS! m# [. q l0 C% I' n
-
* y9 q6 g) N/ X+ N: N" V# Q - Track_Enemy_X_Greater: ;子弹X > 敌人X5 O8 f4 O. O2 Q, `4 {
- CMP #$04
) l8 u/ I8 B/ Y8 L2 Y - BCS L4_1) b" d4 D# a1 E. B0 N
- CMP #$02
+ K1 S- V# Y3 u; G$ a% s - BCS L4_28 m7 N& y& S* ]7 s9 B2 d$ N, H' F+ q
- LDA #$00
0 ~0 _. p; W+ ?* O - STA Bullet_X_Speed,X
2 x3 ]" I& l4 c1 j4 S+ b. W/ d+ V - RTS
" Q9 M: O, U4 S( C5 v* z - + A; ]. ]; c1 o; A! E
- L4_1: 6 {6 n. @/ f( u. p6 d6 f
- LDA Bullet_Type,X1 j0 y3 X2 q: a B1 @+ T4 J
- AND #$0F
0 o5 Z3 b8 v) f/ C, H - TAY/ x6 m& @# \) t4 O! K E
- LDA #$002 |* [/ a# r2 l. M" W
- SBC Bullet_Speed_Data,Y
! B5 W; d6 v, x+ y4 {9 W- l - STA Bullet_X_Speed,X
8 b; n5 N2 b4 W6 M( b$ r) L' P7 I# y - RTS X2 {/ f3 l# \- `: n$ A$ X6 r. b) q5 `
- L4_2:
1 S, k; O# A1 o8 t6 Q h8 A& J, J - LSR
1 W/ n6 d3 R' O- ^: J - STA Data_buffer6 a) T4 D' j! o9 l; u. w; v1 n
- LDA #$00
& U" ^! ~4 Q: u4 r - SBC Data_buffer
0 U+ B: o$ x, Q r6 ?" [ - STA Bullet_X_Speed,X/ E( e7 Q9 h. F* l! N. b u
- RTS- H: U, W2 `. e' y, w( r3 S( ?
- $ b* |; P* J" X2 ]3 r" s
- Track_Enemy_X_Equal: ;子弹X == 敌人X8 [* z! \1 N8 x
- LDA #$00" f, D; x& M ?2 V4 L1 z
- STA Bullet_X_Speed,X
# @% T$ F, R& M' s' ~ - RTS
% L1 t% X$ a& Y -
. }' t' K7 u$ w2 x; j - Bullet_Speed_Data:. {" I+ R D+ t2 z4 }8 Z0 r# W# _
- .DB $00,$03,$03,$02,$03,$03: T, H/ [% z" Z4 U: e% \% L1 ?" ^
-
# c( F. T7 _- i3 L) G& K - ;2, 4关0 \/ o6 }9 |1 M: `, a0 @2 z3 c
- Track_Enemy_Ex:
: l, E% w( ^6 C: N( n2 P+ a3 k% c - LDX #$0F: J% P% g1 H2 W+ e
- Track_Enemy_Ex_Begin:
/ h. N, [+ G. o. @6 Q - 9 W8 G) z6 ?4 m) x7 |: }9 F5 C, Z
- LDA Bullet_State,X
( p' c1 M7 C' ] - CMP #$01
7 @% B; e0 j/ f2 P8 a. v - BNE Track_Enemy_Ex_Continue
9 t1 p! T/ q9 S -
$ F! u, Z' t/ S4 h& r; C - LDA Track_Enemy_Index,X( Z" B# \3 I1 E9 l6 z
- CMP Enemy_Index
" A" _' B6 M" S( }# Q) w/ b - BNE Track_Enemy_Ex_Continue ;匹配追踪目标7 W. V+ [5 X+ u% n0 i; B) E3 E. R
-
, y" Y' [/ d. M7 O9 R - LDY Enemy_Index
! K& d, c0 s% f( c& H - JSR Track_Enemy_Ex_X
# i0 o( z5 S- x8 P8 o; E -
4 {4 s0 @! [4 M8 h - Track_Enemy_Ex_Continue:; v. [+ o4 C, E7 m6 W+ O7 Y" Q
- DEX
4 a, |7 z7 F- R8 A+ e8 ~' U2 n - BPL Track_Enemy_Ex_Begin8 I5 n. _% P3 }6 h* }2 n
- Track_Enemy_Ex_End:- @- \- h/ H6 O$ I2 N* |
- RTS3 b$ H: \* e' n1 o' n
-
' c- }0 w% X6 n% P- v( N7 h - Track_Enemy_Ex_X:
3 f c3 w; R+ Q L - ;LDA Bullet_Z_Pos,X
0 M# j0 o' k8 u7 \7 S3 k5 Z6 L# `- ~4 O - ;CMP #$04
2 L6 ?* G" u/ {) G3 B) ]" Y9 ? - ;BCC Track_Enemy_Ex_X_End
9 v, u' e% h9 T- B; b* p! z+ G0 M - SEC
! a) m. Y/ W5 u5 q. J9 C z6 m! x - LDA Bullet_X_Pos,X7 S) K" f' K' e; l* ?
- SBC Enemy_X_Pos,Y/ S( f8 r1 i) Z ]( b) K1 G
- BCS Track_Enemy_Ex_X_Greater
V& p, v) P5 _# v/ ] - 6 D1 G. G( H) R. q/ Q. S! }8 S* U
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X' F a( p" C/ Q* F" F; g
- CMP #$FD/ L% }1 F& a! V" ?
- BCS Track_Enemy_Ex_X_Less_End
+ u$ ]7 G* L; A( t7 ] - LDA $6020,X
, q- L. m% [& z$ ^; i& V - CMP #$2A" z( d6 P* d8 {+ e
- BEQ Track_Enemy_Ex_X_Less_L1! T {9 }+ |4 D! m- j! j$ M
- LDA Bullet_Z_Pos,X) E0 {% e0 N" L- a6 r% P4 M
- LSR
q; E [# e: U; b - TAY
1 j4 W* R# @" V- P* o - LDA Bullet_Speed_Data_Ex_R,Y
3 k3 l2 z% @1 z8 [ - STA Bullet_X_Speed,X7 X( y; p/ b- w) T) m4 L
- RTS
X3 k) r& U6 ~3 G# O0 @" a - Track_Enemy_Ex_X_Less_L1:
- ]! y. f" U; T - 5 G3 }/ z0 C9 Y
- LDA Bullet_Z_Pos,X
1 o# S2 V" _9 L2 F+ r6 |# V; ` - LSR7 k7 p) @ i& z
- LSR# M! D& o& p- |0 Z2 @
- TAY; |' V2 E! e0 ~, S6 K* Q
- LDA Bullet_Speed_Data_Ex,Y2 `) C+ x/ @! `' o0 J+ ]1 ~8 c
- STA Bullet_X_Speed,X& i( d- S+ y+ }, g$ w, h
- RTS
& \3 s9 R( B; j, C, f$ g; s -
9 x& B# T, D) M6 B1 U9 t3 Y; Y6 D. G - Track_Enemy_Ex_X_Less_End:
! w& t5 g% J- a* c) V/ ?5 a - RTS
) j6 ^1 S, e. T& I - 5 x; ^; ~& ]% @
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
9 O* H; R' K) N' ]1 } - CMP #$03
1 w0 s% T' F$ @3 b! T" K5 A# R - BCC Track_Enemy_Ex_X_End
+ x U* b, a; p' z4 h9 a( j - LDA $6020,X
4 C0 w' o( Z# A7 O/ j, u - CMP #$2A
* F" e8 q+ i' s0 D - BEQ Track_Enemy_Ex_X_Greater_L16 f' Z3 ^7 o9 H# Y/ p! i" n
- LDA Bullet_Z_Pos,X! r v+ G7 g3 G4 Z: t* G
- LSR+ n; Q1 i2 S, v+ ~( w7 k
- TAY; j3 _( ]8 y5 J! B+ f" h
- LDA #$00
- z, B+ _" K/ p( B M' S - SEC
) w+ N, y: T# w9 z8 W - SBC Bullet_Speed_Data_Ex_R,Y5 Z- b8 H9 K h! S
- STA Bullet_X_Speed,X
1 H9 ^* Q1 ^. E' p6 t/ A7 ] - RTS
$ N8 S9 h$ V j l6 e4 _ -
: M, M1 x* y9 e" J% G - Track_Enemy_Ex_X_Greater_L1# W$ v% f- p, P! D2 s3 J
- LDA Bullet_Z_Pos,X
/ j8 c' l, N, c' B) }8 q: x* l" u" Q - LSR& v$ x+ k6 S; Q
- LSR
$ _; ?- J4 U% ]+ i5 h; N2 Z9 s( { - TAY' @4 U% \- w8 o0 t: Y
- LDA #$00
2 Y) E& {$ V% {8 L% D4 V - SEC2 p& W0 n" Q5 E; j- {2 n
- SBC Bullet_Speed_Data_Ex,Y5 \; V. x2 r& ~) b, h
- STA Bullet_X_Speed,X" S) d2 p3 a: b
- RTS
& z( D7 F; k" i* i' x - 0 { H6 k. d: z5 f# ]' v
- Track_Enemy_Ex_X_End:
& ^) d$ }3 x& D; Q+ M/ V - RTS! }0 @4 W4 Z3 r( \7 m
- ) s& P- E8 k! C# {5 t3 \6 i
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)$ v+ ?. B0 u$ i. u
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上, Z) k- i' }4 P. N+ a, ]& j6 Y
- Bullet_Tract_Direction:, o; B# B; M7 ?: F# R; h2 Z V1 R1 T! W3 N4 v
- LDA Bullet_Icon,X
8 ~3 S, _$ _9 ?( Y4 u3 W - CMP #$23
3 J. }; V5 e! [7 m% m - BCC Bullet_Tract_Direction_End( K- M& s1 u6 N! E& Y6 n1 s
-
) m9 i* h M, d0 M' `5 T - ; X != 09 I r5 T# ]& E* v! J) T
- LDA Bullet_X_Speed,X8 t# E v' ^0 N1 ~: p; ^
- BEQ Bullet_Direction_V
/ X) l; O7 h" d) q; Z - 9 P. m/ e: x1 P9 u7 q
- LDA Bullet_Y_Speed,X- [4 C% |0 U0 @: l* q0 j- U
- BEQ Bullet_Direction_H
7 X& S; d$ g! O: X - % c0 S! h/ C# o. _
- LDA Bullet_X_Speed,X) I4 B) U L b/ C N" p4 @) y/ ^
- BPL Bullet_Tract_Direction_Right0 x; F+ \% Q& A9 G/ e9 O
- Bullet_Tract_Direction_Left:
6 Y, O( @( J1 M4 [. M2 { - LDA Bullet_Y_Speed,X& f3 O& y+ `: L' u6 K. K) h' M
- BMI Bullet_Direction_Left_Top2 W# {6 U0 B" p5 Q& F- _
- BPL Bullet_Direction_Left_Down7 o7 G$ j% L7 u2 N
- Bullet_Tract_Direction_Right:
5 U$ ^4 Q% v3 w1 d% l' W7 O$ \ - LDA Bullet_Y_Speed,X
3 C0 r8 H+ R( E: Y( t - BMI Bullet_Direction_Right_Top! K4 Y+ Y+ y4 r; I6 U9 Z7 @7 Y
- BPL Bullet_Direction_Right_Down
1 P& N7 S, j6 r- N; b - Bullet_Tract_Direction_End:6 b! R2 @, X% @1 s. {
- RTS
4 P a6 H% C8 X7 P; W
% E- J4 O, e2 j: m$ e- Bullet_Direction_Left_Top:
' m- m+ W# I( ?/ r) o2 e - LDA #$25+ a c% A* _* E$ V
- STA Bullet_Icon,X7 D) |1 q- Z8 f0 r
- LDA #$C0
, N. E- m$ z1 F$ H* s# z8 O( N - STA Bullet_Direction,X) }' c0 B: Z* a2 D' S1 ~. k7 R# H
- RTS
: A) C+ j- B- V4 |/ ^- N7 l - - [/ ~% N* g8 z4 ]; H5 Y+ ]
- Bullet_Direction_Left_Down:
" ?2 e4 V1 L, v# [' ]6 y - LDA #$253 y }! E( L3 F$ x6 @
- STA Bullet_Icon,X
* _, [1 R# k0 d4 P! X - LDA #$40* i! m0 V7 |3 z6 L
- STA Bullet_Direction,X
1 J) Y4 I9 s# e - RTS
- b; F4 }0 l! u7 U - 5 g: d& E) D8 c, J( P0 u# p2 d- S% Y3 c
- Bullet_Direction_Right_Top:
4 Q% v* @( ?: f7 I. F+ t2 k - LDA #$257 j) t- n- |& F- I4 `
- STA Bullet_Icon,X1 ^: z w( ~3 p0 M/ g: |8 ~% R `
- LDA #$80
, f5 B9 p d6 H& E - STA Bullet_Direction,X
! b/ L* G2 `9 S' s - RTS
V: b& U9 n' m% ]+ ^( \ - % |' S# J4 c$ m8 U
- Bullet_Direction_Right_Down:/ B# Z1 k% K. `' O& m# o0 D& Y
- LDA #$25
# Z: O* E$ M/ m8 {) l' E - STA Bullet_Icon,X
- Q+ c& i1 e, Q7 Z w/ Z8 B - LDA #$00
8 j; A4 C& w* ^/ Z6 d s, G& N3 R - STA Bullet_Direction,X( _6 e, p3 @* {' N+ M
- RTS' g* _. }; ^, u/ ], n: E
; I, c* w9 O7 o. {) E- Bullet_Direction_H:
- ~( ?# `& f4 \& b# u9 b- O - LDA #$24+ ?9 J; z d6 T% K) K# r
- STA Bullet_Icon,X
+ b5 q @/ W' T: p2 n- A% ]7 g - LDA #$002 p, r& _2 j- l. v1 L4 H0 U% o
- STA Bullet_Direction,X( ^8 B0 A0 x% k. E
- RTS: Z% m$ n6 n- `' l0 u
1 a% u# U O; k8 \% z; I) K3 w- Bullet_Direction_V:
6 A$ }4 s3 Z7 F( d - LDA #$23: _* g0 P+ B0 y. d4 N, @+ ~. l* v0 N
- STA Bullet_Icon,X0 j' h0 d) L! s) g& h
- LDA #$002 N. D& j% |2 m- T( J
- STA Bullet_Direction,X
; g( ]' C. o( C" y7 a% x - RTS, y# h7 u( B; z ~+ x: d* Y" U- W" U
- 8 {* W C; I# K/ X& U( z' B! ]
- Bullet_Speed_Data_Ex:
8 {9 u8 X2 M3 h7 c - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
! ?$ k* w- ^# I - ; C9 O9 g$ x7 W- k4 ]& {) t" l
- Bullet_Speed_Data_Ex_R:* U# h4 V; c) o; ^
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
8 P9 {2 q m; z9 w5 O) m6 x -
复制代码 # C0 R! A; i- e$ w
, @) {+ q/ i$ a' \/ I# C) _ |
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