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[FC][魂斗罗][J][追踪弹]' b3 r$ z2 V, c- b1 _, ~
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时间:2023.04.30
' \. d* ^, q, b9 C* B, f作者:FlameCyclone+ L+ \! o! @5 ?
内容:; U: ~5 `+ N# o/ v- X! m6 z
1. 所有子弹追踪敌人6 O8 L/ w9 x. \5 Y& u0 s6 v
2. 选择键切换武器
: |$ Y9 b( F" f( o' P4 S7 L' j 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, h+ D. Z) ?5 ?) @/ \% @
3 D: O) G+ Z" E$ i i6 zflamecyclone.ys168.com( q3 A; ` C: u i

; t$ E3 |: V- P) U0 b( k! z- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
4 h# H% |' z9 O0 S# l/ r, a0 [ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
* Y# x# z0 ^, _; u$ o - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
" O6 k) `5 z$ E8 a3 o: F
- u( B; `7 v5 {0 O q$ ]' W- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
- | u4 n! F* i$ U - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
" A! Y! c/ L$ }7 `$ s# j - - J7 d1 G+ g1 U$ Y, M
- Track_Enemy_Index = $6000+ t( K: s. d' N7 V
- Enemy_Index_Begin = $60101 u, w" L/ U* r8 h6 `/ T a
- Enemy_Index_End = $6011$ L; Y7 I# n4 `) r2 f
- ' m1 F3 Z& F2 m) U
- Loop_Index_I = $6012
. L6 b9 J) |+ P* u - Loop_Index_J = $6013, O: r2 k% ?+ }( q2 l
- nEnemyIndex = $6014& L& m/ }% b2 G; j) S% F
- Data_buffer = $60157 i- _# ~4 k. t- v, ]# c
6 r/ F8 s4 o( N5 i' [5 ?- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
, h- Z- \2 ]" J - Bullet_X_Pos = $03C8 ;子弹水平坐标
R6 I4 C" N/ J3 y - Bullet_Y_Speed = $03F8 ;子弹垂直速度
& V% m- X" f* n3 z6 J - Bullet_X_Speed = $0408 ;子弹水平速度
! y. D/ m8 W: {- u: J9 R8 O4 m - Bullet_Z_Pos = $0418 ;子弹Z坐标5 ]5 F& Z4 m: [5 ?- E+ Y% ?
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P( h6 g$ U! |! x: s7 B, ]
- $ O3 K( M3 @! v1 V% {
- 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
: P1 U1 u7 V( T( w8 ] - Enemy_Blood = $0598 ;敌人血量( i) W) g/ ^, s3 E2 \1 z
- Enemy_Type_Addr = $0528 ;敌人类型# e' P/ U2 A0 q" o' T9 Q2 s
- Enemy_Blood_Addr = $0578 ;敌人血量
/ w- M" u- c" S, l) @ - Enemy_Y_Pos = $0324 ;敌人垂直坐标
0 ?& D5 Z% E$ f1 b+ z( h! o - Enemy_X_Pos = $033E ;敌人水平坐标9 U# _! k7 V8 V+ X4 ~% n8 c. U9 o) v* f! W
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
; m! K3 O/ [ h) R2 e% |6 j! ~ - 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1 `( D' }+ P M% v5 k0 c }
- % y( h8 x) k9 ?
- Enemy_Index = $83 ;
. b& R$ V( Q* r9 S - Time_Count = $1A; L& {& S: L5 q9 v+ F! X! Z% ?
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率! e0 w' q& m, n3 y. D; C
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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; O2 |' f9 A$ n7 t$ M- .ORG $6100$ n1 k" K$ L) V m* [3 w6 P4 G5 m
- Process_Begin:* R4 n2 S7 i0 h+ s- X
- JSR Enemy_Check
) s! b9 `6 \' ^* @: W8 v# e; f5 W6 D - JSR Track_Enemy_Check% u. i u1 i6 a9 G! A# P0 }
- Process_End:
/ a, Z# C: p* M - JMP $E54F
9 y+ u2 B% c3 g0 B+ d! D7 E
" Y1 F) t! w/ l4 }% j1 C- Enemy_Check:& [4 |- v/ d4 }
- LDA Time_Count8 w& s( R" A p7 \: }
- AND #Track_Bullet_Speed V$ {( I# W7 s8 F9 Z
- CMP #Track_Bullet_Speed
, V) {. s4 w' q$ f: h$ r - BNE Enemy_Check_End
7 d$ X Y' R$ z* x! r; s1 _+ D - LDX #$0F. H3 e B% g2 f5 c: }
- Enemy_Check_Begin:! Y' }/ x+ x6 X7 i5 S* t
- LDA Enemy_State,X
* l4 r! r8 s/ r& x) F8 J) b - BEQ Enemy_Check_Continue% h) p; w1 y* \6 f, A2 X1 ]2 p
- STX Enemy_Index
2 ?& r7 P( P( w6 N2 H* f! g# T - JSR Find_Begin_Enemy
7 S. D6 Z, |0 a) b: V - JSR Find_End_Enemy# e" Z4 l. B3 }( j: w5 R
- JSR Bullet_Track, H! o9 b4 |/ P
- . J" Y, [0 m; @4 c: h8 s2 I; ^3 Z1 ~
- LDX Enemy_Index
9 r% E3 [: _" J v$ E' j6 [# E - Enemy_Check_Continue:* D; u" {+ a+ g8 ?
- DEX
' N/ t9 C3 f5 v+ {( A" u - BPL Enemy_Check_Begin4 T5 Z; u+ o3 Q2 C$ h8 N2 C% H9 h1 C
- Enemy_Check_End:
4 H7 B( Z, t0 F0 ~2 @& d [- y - RTS
3 o" _! a" I& F$ s* |) r/ N - ( R% @4 k6 g6 B& ^/ y
- Track_Enemy_Check:4 J! X; s* I, t0 a" `# e
- LDA Time_Count2 k, Y$ g2 H0 }9 o- t3 y h* V% A
- AND #Track_Enemy_Speed
1 ^+ r2 j3 m0 r) Y8 t - CMP #Track_Enemy_Speed
) h- `" `$ n I ? - BNE Track_Enemy_Check_End
/ j: ^* V- b7 z- x* Q* [6 C7 x' C$ ? - LDX #$0F9 i% |' \" m" x9 X
- Track_Enemy_Check_Begin:- j! W; Y. X5 p* |2 y6 X9 B; ~! ?
- LDA Enemy_State,X K% ]6 T. O* |+ A1 w
- BEQ Track_Enemy_Check_Continue: }8 @% b) A2 }9 C* a9 ]
- STX Enemy_Index
: H* s# _1 G. r2 _" D$ D - / n# V/ j$ I) }$ S2 L" V1 t# w
- LDA $403 A+ N% g7 L: n! d
- LSR! F( n- C8 W# L
- BCC Track_Enemy_Check_Begin_L1* c8 \. P4 U2 ?; f+ N, k# J9 ~7 _
-
~9 U# h' P E; _# h" G5 t - JSR Track_Enemy_Ex ;2, 4
' v5 X- `7 p- N5 ?; L) p1 } - LDA #$00 M) I" y) S. n7 Y$ c
- BEQ Track_Enemy_Check_Begin_L21 c0 ^1 x- Q+ J6 w
- " l" X1 P4 h4 @; Q0 }7 l9 i
- Track_Enemy_Check_Begin_L1:9 i+ ~3 J' d3 ?3 K& X
- . [, o$ |# |0 `+ n# I/ U( E' x
- JSR Track_Enemy
: q( z+ e, F6 p; F( S7 d# l9 P - - z+ v; i. d5 G; h/ h
- Track_Enemy_Check_Begin_L2:4 s+ _% a+ C, O& B3 M: a
- ) v0 [# v, K% z& [: w
- LDX Enemy_Index
. l |* @0 w: f- L- i; I - Track_Enemy_Check_Continue:- j6 ~: N' y$ _$ _2 j9 g
- DEX! }* C1 d4 T9 f; D6 a8 n3 U
- BPL Track_Enemy_Check_Begin& M& _' ?$ k) f% X. B( m4 J
- Track_Enemy_Check_End:
1 q( X0 C+ _$ _1 A5 x- |+ a - RTS
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& e; S. f* |) ^- 7 k/ m7 `9 m: x5 `( `
- ;查找第一个敌人$ S' u; {7 U6 |1 O! _* w7 w7 b
- Find_Begin_Enemy:' m! N$ t- @- O' f1 Q2 q, K
- LDX #$006 Q# r: m$ k+ I5 \3 [# ~# C
- Find_Begin_Enemy_Check:7 x3 ?4 i" c# ~9 M- S& n
- LDA Enemy_State,X. y2 K- g' D! p! x2 C: b/ n. Q
- BEQ Find_Begin_Enemy_Check_Continue9 n$ c" y& X# ^
- LDA Enemy_Blood,X" `* k, }- I* l0 W
- BMI Find_Begin_Enemy_Check_Continue
2 v0 _; b. x2 D) e( W - BNE Find_Begin_Enemy_End
" }: |7 o, S; o7 ] - $ F p# G$ Z; V
- Find_Begin_Enemy_Check_Continue:* @2 Q- |- [1 T* k* O% d0 K+ m
- INX
: F2 `/ S9 ?, ]; K# t# a% b; y - CPX #$10
( i! N& C1 T/ ~! W4 A - BCC Find_Begin_Enemy_Check
- \: H/ J% s% y+ S' y5 P - Find_Begin_Enemy_End:1 G5 ?; x8 Q4 W- X" T X
- STX Enemy_Index_Begin' K' ~$ j, M* E2 r
- RTS
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! F9 O! |- Z R- t0 a: O& m, j0 h0 @- ;查找最后一个敌人
, N, \& r' n5 d2 ?& c ^ - Find_End_Enemy:3 I# d, G+ T# V% v
- LDX #$0F
R* X: h7 L! y- p4 i5 ?* _$ X: X - Find_End_Enemy_Check:
0 d0 ^0 B. X5 I0 H/ x$ x - LDA Enemy_State,X
7 Z# J [$ c: e1 E5 x6 D" h( g/ m - BEQ Find_End_Enemy_Check_Continue
/ j3 m) C2 Q/ n! k# F9 F4 ^ - LDA Enemy_Blood,X/ D+ W+ N3 p8 {# ^# M
- BMI Find_End_Enemy_Check_Continue# x$ l/ h0 Y: ^7 C2 {
- BNE Find_End_Enemy_End
4 j. m8 a& S* H9 }8 U- P8 a1 z -
7 x6 u. V/ ]5 {2 P9 k - Find_End_Enemy_Check_Continue:
# Z W: Y) x0 i$ b" a - DEX# K+ h: w5 Z" R2 i2 B4 u
- BPL Find_End_Enemy_Check
3 S* F; l3 C' b( w4 K7 j$ r5 K( r- U - Find_End_Enemy_End:0 R/ d# W8 u% r' Q
- STX Enemy_Index_End7 g; R1 a# i) S' F2 Z' o0 f: Z
- RTS7 B9 X0 K8 ^( `+ K; r: I* Z
- # S9 j' s, R1 Z7 P( H* @3 p
- ;子弹追踪0 e9 r6 X1 y, V+ S% k0 S8 e
- Bullet_Track:( ]7 [; k' [5 ~$ L
- LDA Enemy_Index_Begin
4 Y- d# r; Y# L9 I - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
4 X1 r0 O) \2 M8 L7 {" ` - LDX #$00 5 q- s H U7 B
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)1 j/ Y' S4 X" T+ B' S p- }: l
- LDA Bullet_State,X7 a$ F8 }) ~9 Q1 B. d
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
8 m6 P4 ~7 p L9 u0 [ - STX Loop_Index_I5 q, m; a( n" b+ z
-
# C2 t' Q. g' b( }1 y4 O% l - JSR Bullet_Track_Enemy- p8 O8 `# f, R: ^' P
- JSR Bullet_Tract_Direction A- U1 }: D9 Z% O+ c5 @
-
$ F/ _7 L0 m# E: H6 h2 b2 X, M! q" T: D - ;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
* f" o2 k# T3 H, ^9 I6 h0 ^6 j - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;, a8 ] g/ A. C7 V5 v$ F; w* e
- LDA nEnemyIndex
J2 ]. C$ Y' k, a9 E l" x/ X; y6 Y - CMP Enemy_Index_End
* w5 O7 h( C0 ?( N1 e D7 M, o) `6 e - BEQ Bullet_Track_Check_Continue9 J5 y! N4 F/ n
- BCC Bullet_Track_Check_Continue! P( e9 Q; P3 p- l7 p) G
- LDA Enemy_Index_Begin5 E* x# [6 a' l5 R7 `1 u3 C% Q
- STA nEnemyIndex$ S3 y1 h) h: }, S* E% n
-
6 g' u5 g) z9 d0 Q- p2 W) k - Bullet_Track_Check_Continue:/ M7 z% T6 G3 E; }4 R$ K
- LDX Loop_Index_I
- Q% c. f0 }& r$ [* W* } - Bullet_Track_Check_End:
8 V6 p# h$ H. a# J+ a* D) j - INX
$ E1 p |' f9 Y- M - CPX #$10- Q) N# _% X2 s' J3 A
- BCC Bullet_Track_Check
) q- J9 x2 t1 t8 o R; T) }* Q, k - Bullet_Track_End:
5 U3 j4 F( w+ F: n+ i - RTS7 S. s. p [0 y2 w+ w4 b) A
-
" U+ K& B8 ~# K; i) ?) Z4 h - ;给敌人分配子弹0 }+ e0 o1 q' p
- Bullet_Track_Enemy:- M K7 W% [2 z" J! R0 Y$ k
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
* c6 I9 L5 b$ m: M; W; H2 t6 J - Bullet_Track_Enemy_Check:
$ e/ ?8 p2 l. b+ c - STX Loop_Index_J
$ g$ X' y' X& g7 g - 6 _( m: D; o1 m7 x% I' [# ]! D
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
/ V, [3 ?3 _- _: ^' p, A0 p - LDA Enemy_State,X
3 [9 o0 b _0 s% [" G( B - BEQ Bullet_Track_Enemy_Check_Continue1 O& [# ~6 o6 T* _) k
- LDA Enemy_Blood,X% e9 h8 ^4 o/ p5 T1 N/ @; s
- BMI Bullet_Track_Enemy_Check_Continue7 {* m& r8 A3 n; F: g( ~
-
$ e- W9 G, S/ G+ ~7 a. ]3 M/ I - LDX Loop_Index_I
5 \& O+ U" v! C @ - LDA Track_Enemy_Index,X8 C' T. @9 ]0 ]; E% m3 i: p0 b0 N% B
- CMP #$FF" E. L/ S, N3 D3 V5 S4 d
- BEQ Bullet_Track_Enemy_Init2 N, x2 p$ N6 z* c
- . W8 a' ^( a7 \0 t+ @% L
- Bullet_Track_Enemy_Init:, N1 w" E; I0 U' _! ]
- LDA Loop_Index_J
0 ~9 u1 w; t0 T, B4 e5 T% k - STA Track_Enemy_Index,X ;nTrack[i] = j; Y# m: U+ D' h$ e. B% B& J
-
; z! Q8 a2 l8 o7 P5 x) c3 @ - STA nEnemyIndex* A0 Z# ~" H A K0 Z+ P0 [
- INC nEnemyIndex ;nEnemyIndex = j + 1;
$ a. Y! w6 R7 n4 v - RTS ;break;
8 c% ^' ?% Y7 y' Z# j
0 U1 C3 C. Q& ^: r N6 g5 m- Bullet_Track_Enemy_Check_Continue:
6 C# B/ B0 F. c1 F - LDX Loop_Index_J7 ]! W( ]$ E" K% u1 f5 g' g
- INX ;j++
+ M! g2 g+ O3 ]: A - CPX Enemy_Index_End/ P5 b# N1 n, F, o* X
- BEQ Bullet_Track_Enemy_Check9 K$ z+ R5 u% b9 f1 ^
- BCC Bullet_Track_Enemy_Check# J" Q8 E9 ]7 I( O# G
- Bullet_Track_Enemy_End: r1 H ^& N# U
- RTS
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- Track_Enemy:
' S6 f e- O! x2 {, l: t - LDX #$0F
: v5 {3 J( h; I( l2 U1 J - Track_Enemy_Begin:7 {, b' W# L: |) \: \
- LDA Bullet_Icon,X
! J( S8 f& ?. R+ D - BEQ Track_Enemy_Continue
# A' `5 j* ~4 U$ L' P - LDA Bullet_State,X
' |: w7 a" j0 h- D5 a - CMP #$01/ A& O6 c- `3 S2 g& G
- BNE Track_Enemy_Continue8 o% V: |% N" y$ b% p9 o7 F
- 9 G$ J. t l6 d( A+ R; Z9 ?9 `. |
- JSR Track_Enemy_Process' M/ U ]! B" X
- # [7 j3 |, u. |+ I0 J8 s
- Track_Enemy_Continue:" K7 e4 u3 U4 f$ E# X% J
- DEX
+ M# z- G+ [4 G& `6 l2 l6 m2 @ - BPL Track_Enemy_Begin- _$ {- W8 p. c
- RTS
8 m* |! e/ N( }$ {. O' z$ K - ) }, |# i& ?8 q" V
- ;普通关卡
2 B& n" E0 F( N7 ]2 }0 r: X& D - Track_Enemy_Process:+ H) S( t8 w% v: N0 v
- LDA Track_Enemy_Index,X" Z7 X- C$ m6 y: w! B h
- CMP Enemy_Index
0 V. {( e; @1 J/ j5 c. y" i6 X - BNE Track_Enemy_End" w V7 ^8 y" L; q9 O! D
- LDY Enemy_Index
; Q+ f! T: E% V" J' f5 r - JSR Track_Enemy_Y
; ~4 f3 D! L. n0 { - LDY Enemy_Index
7 a) M9 Y( J9 T5 N - JSR Track_Enemy_X
( K8 n" l% a7 ~& ]/ _ - Track_Enemy_End:( x$ Y) F3 M; [1 s; a
- RTS
) ?; l: B1 R* }1 s* ] - 5 N. y3 p8 }$ H3 O2 ~" ` m
- Track_Enemy_Y:
# K& p Z( S: k. s- } u) x$ N/ a - SEC( W: K* N+ Q) [ h1 y* Z4 v
- LDA Bullet_Y_Pos,X
% t9 J& ]: H! K: v! @# E - SBC Enemy_Y_Pos,Y7 E) m3 p- w. ]' k- ?
- BEQ Track_Enemy_Y_Equal/ j9 o# O& s( \' v
- BCS Track_Enemy_Y_Greater
7 z A. J/ I6 G: A" y) s - 0 O1 |) y, S. I7 N7 ^
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y$ `8 Y+ s3 C- c; K, q. _: R3 Q
- CMP #$FC
9 S3 O" ?# X4 G. O4 o, u- S) k6 e - BCC L1_1+ E+ V. @% d$ d5 |
- CMP #$FE4 Z# N) G" Z8 B5 t
- BCC L1_2
% D& R" M8 D: E* {2 P( \ - LDA #$002 I; d& D6 f' j0 k! u- G. }
- STA Bullet_Y_Speed,X) Q+ e) w6 r8 t) H* M5 J; C
- RTS, x- Y: Q% a& h. U& O: |' ?: F* U
- L1_1:
7 r. \ H; v( g: n% F( h. z - LDA Bullet_Type,X
3 H5 N, ]6 J5 g4 [9 X+ u - AND #$0F5 P7 M( ?' [% k3 ^3 e, k
- TAY
: A5 f/ P" s( n" N6 O - LDA Bullet_Speed_Data,Y1 d) j, G. @* }: L! }, c
- STA Bullet_Y_Speed,X" g2 z3 }* j0 m2 Q4 O2 V1 x
- RTS6 Y X( n7 j- l8 q. k, q
- % f; E$ y8 R, d }+ V
- L1_2: . d% q& l8 B0 Q0 G. V* W
- STA Data_buffer" e) G/ H* h0 I0 Z( g# J
- LDA #$00" z+ }; K, X' N
- STA Data_buffer% V6 l; y! o/ E- Y
- LSR
. V( j5 Q* h D, o" f - STA Bullet_Y_Speed,X6 r' d% ~ o9 C3 V, ?5 \2 [
- RTS6 J/ ]: l2 w: p! v) c8 m% z
. t ~& l' m) F N8 ` ]- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y3 U) \4 S- T S- b
- CMP #$04- `6 X. H0 ]5 `! v- E+ ~4 \
- BCS L2_1
' `1 J+ z' Y' x4 Q - CMP #$04# |7 A9 Z. G: ~6 V/ M9 A( b
- BCS L2_2
$ Q' i" n T: M# X; M# U# N, t - LDA #$004 k- M- T( K! f5 f
- STA Bullet_Y_Speed,X
" u' E/ q% P6 u+ C - RTS3 _6 K/ `( @2 ]9 Q, f9 B. R! \; B
- Z3 k% p4 Q9 C+ s2 u
- L2_1:- Q: X$ y. L- o& U$ n
- LDA Bullet_Type,X
+ O- M G- D. r( W - AND #$0F! c$ G' ]$ u2 }# T1 d7 r' k
- TAY" @- w$ D2 `; S$ j
- LDA #$00
& g$ c1 N5 z7 O! d$ ~; o: i - SBC Bullet_Speed_Data,Y+ r' F7 ~( U: y0 l/ k
- STA Bullet_Y_Speed,X
6 l% L7 y; c2 U- k0 q8 b - RTS
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8 o' T, h8 }# e, [5 P& A3 v4 i - L2_2:$ X6 c4 V: b; y$ q9 C0 t
- LSR
- ~/ E0 l1 g, E, F# }% v" I/ h - STA Data_buffer
% Q/ s9 k! g/ i9 E+ p5 O8 `2 H - LDA #$00# O& |" r$ U. k3 k9 {" m) C g
- SBC Data_buffer
7 R' G1 R+ ? V1 r* m8 E - STA Bullet_Y_Speed,X
; I9 C' x7 `* S1 `: U - RTS. I3 W' v3 I$ \/ u
- & f* x- O9 @0 x' k
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
6 c# A& U8 u; P+ e* j* @ - LDA #$00. M2 b, u5 d, i. g; i. {, r
- STA Bullet_Y_Speed,X# V* @( n% c# H! o: T
- RTS8 T w5 H8 `1 d+ ~/ n& E
- 3 ~: }1 ^" b* @: a W
- Track_Enemy_X:
9 N, ?8 d( r& q6 w0 v, [ - SEC
& k& p( O7 t2 ~, E" w4 s - LDA Bullet_X_Pos,X$ q$ l3 ~/ l0 b: j. s: p+ L5 x
- SBC Enemy_X_Pos,Y+ h" n: i- R4 `% t0 C2 H. z
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X; `- a8 S" O9 D0 r( j5 `
- BCS Track_Enemy_X_Greater ;子弹在敌人下方5 O4 k. V ~0 M. s" O
-
# r6 J" `$ |9 A& L' Z& { - Track_Enemy_X_Less: ;子弹X < 敌人X. Q4 h1 O1 X- o" A
- CMP #$FC. L5 @' F# h$ {+ F" ~% H
- BCC L3_1, {4 d6 i* ^5 N
- CMP #$FE
( J4 l m0 V' y! O6 ~# Q: l - BCC L3_2
6 J9 V- Q2 S$ z% r7 H - LDA #$00, i k% T' {( _- p* e
- STA Bullet_X_Speed,X3 Y% P- {# s/ i' E
- RTS$ C7 A' A5 b0 X+ ?# n4 w! t
- L3_1:
" d' Y/ @$ g- x' M - LDA Bullet_Type,X, W% \9 P) a, s3 `8 c- `
- AND #$0F: L6 B) _( W' f% R7 w: @
- TAY
* q5 C5 S. C2 r/ A, R - LDA Bullet_Speed_Data,Y/ p: t% J+ {9 m( k0 Z" o7 x
- STA Bullet_X_Speed,X
y) t" `0 `, \5 b) C - RTS* S1 N- U! c( g- C
- L3_2: - P. A) p& J$ y
- STA Data_buffer) h0 m2 a6 o5 I
- LDA #$00
+ \+ M. e3 w8 i2 G - STA Data_buffer
1 _. w, j2 m2 _4 U& T - LSR
; y. h) [( ~( p7 O - STA Bullet_X_Speed,X# u/ [8 e/ L* p7 F. I! z
- RTS
; H& W0 t! }6 q+ B7 l -
6 Z) k% l, P7 a% ] - Track_Enemy_X_Greater: ;子弹X > 敌人X8 X& x2 [2 L& Q) c- a" }% r6 T
- CMP #$041 \) U3 ^; w+ s4 n
- BCS L4_11 p' w$ L5 r% |4 a! ]
- CMP #$02
1 h3 b: e/ k( z7 R1 R3 D - BCS L4_2) l& J: N- i& @
- LDA #$00. G8 M% m; A; N8 ?! Q4 t, l
- STA Bullet_X_Speed,X
3 I1 V' m4 g/ A- {; J% o w - RTS8 g7 g% h @. Z" C ~
-
8 H! O- t& H* M7 J9 Z) j - L4_1: 4 B; x/ {. e$ `) f, r. _
- LDA Bullet_Type,X
! `7 C( F% h/ t3 q | - AND #$0F
) O% D, z( H, H9 e' k9 f/ q% K - TAY
3 f& a" W4 W2 L& r2 j$ f7 H - LDA #$00+ p; t% r, b9 t0 ]" q u
- SBC Bullet_Speed_Data,Y
" ^5 u4 s# x8 @% E S6 {' g$ @ G - STA Bullet_X_Speed,X+ F8 ?6 ~9 X, U' R6 g
- RTS" i3 z0 t( K8 u2 v- m) D
- L4_2: ' Y+ D7 o+ _3 m% e
- LSR
! Z; p$ W o* `3 L d, h - STA Data_buffer
4 k s/ }2 Z5 J% ? - LDA #$005 Y k: l1 W+ ]8 t9 Y
- SBC Data_buffer1 x7 T5 `5 w, {+ v1 @, d
- STA Bullet_X_Speed,X
# D, h5 [9 d R1 d* l. |3 s0 m: L - RTS
6 q0 |5 [# r1 x" q. F - # y+ z6 p+ p1 n6 L$ ]5 n2 i0 L
- Track_Enemy_X_Equal: ;子弹X == 敌人X
+ H# J' h3 C. s7 r& q$ b - LDA #$00
, S/ D$ u8 @$ b6 v - STA Bullet_X_Speed,X, x$ u: p! ?2 |. n% i
- RTS4 ]! m( g0 W0 R4 w
-
' l' B# N: J! f; p' T) m1 L - Bullet_Speed_Data:. w+ n! t# X, N7 P) j* A
- .DB $00,$03,$03,$02,$03,$03
7 s, H3 F. H1 @ -
: [ f+ w' y2 y: c2 l - ;2, 4关
4 B0 {6 h( f' | - Track_Enemy_Ex:
/ P% t3 u' Q$ K) j - LDX #$0F
5 m- @; r, T8 i6 y2 m# f' F; V" Z - Track_Enemy_Ex_Begin:
% e1 h7 v9 w. w, A z* j9 M2 _' \ - 5 J) u4 {# @2 Y0 v3 V
- LDA Bullet_State,X
* s$ B; x5 |0 c- I& ~6 \ - CMP #$01
2 \4 r' n, U0 T" | - BNE Track_Enemy_Ex_Continue8 @7 f5 ]! h" V1 C& H }& U+ R+ s
-
& f( C. o: ]4 ~ - LDA Track_Enemy_Index,X c7 y. \0 x4 \3 W& U
- CMP Enemy_Index, \4 L. h) K8 b, k3 \) r
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
* O# o7 ]0 O6 Y; J/ I9 f$ n - : v( h; @! Z, E
- LDY Enemy_Index
( n0 K# |4 Z4 V3 a; t2 u - JSR Track_Enemy_Ex_X- K5 q" e8 }$ j3 f) F" S$ x/ R
-
& }; g+ C) c( D7 x! H8 Q* ?7 M - Track_Enemy_Ex_Continue:
9 ~$ b9 l5 ?7 i1 G$ Z9 C - DEX' {* f7 n( u& p
- BPL Track_Enemy_Ex_Begin. _1 [; X' [! m4 V# X j
- Track_Enemy_Ex_End:
6 B- f" u4 G" T6 D" F - RTS" C. v7 ?" {- H3 G; D& }9 t
-
6 Q$ Z7 M, p1 q - Track_Enemy_Ex_X:; g+ u+ d) T4 g7 X. Y' p
- ;LDA Bullet_Z_Pos,X
' P1 V6 \, M) s) h9 k - ;CMP #$049 y% Y8 }- M$ [, I- _' h3 ^4 A p7 J
- ;BCC Track_Enemy_Ex_X_End
& }1 A/ ? M" r. P: r1 k - SEC
+ T+ P9 L: H s" U9 A4 K - LDA Bullet_X_Pos,X% @* p9 a9 U2 a1 x2 z
- SBC Enemy_X_Pos,Y
$ w- u; O; \& I4 n - BCS Track_Enemy_Ex_X_Greater6 L) [1 s1 o, k. v0 y
-
& f$ |. ~, o9 G5 n - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
& N* m8 y* J3 W - CMP #$FD) t* x/ G. ^4 j; B) ?0 l
- BCS Track_Enemy_Ex_X_Less_End
, f/ G& B: {# f# U# t4 Z p! [ - LDA $6020,X
* j9 r8 A# A7 \" u B - CMP #$2A
- j$ N: ~# Q1 z7 l$ l& ^) v - BEQ Track_Enemy_Ex_X_Less_L1- v5 d4 z! Z$ |. w
- LDA Bullet_Z_Pos,X8 ~4 {1 C5 c& q) J8 g K
- LSR
" S# J1 [; [" G ]" L3 N$ P - TAY
+ l' `) p# u% y% ~2 S - LDA Bullet_Speed_Data_Ex_R,Y
& b# F7 |* x5 t& J- r: ? - STA Bullet_X_Speed,X
) ]" C. G8 E# J; l9 | - RTS8 A$ ]& h, o; u/ `7 p. d6 G, v
- Track_Enemy_Ex_X_Less_L1:
7 [( \ @! g; m1 z
' Q8 s) y- z7 i- \6 a- LDA Bullet_Z_Pos,X( `) l8 c& W9 g, `8 z2 x6 c" z% t
- LSR+ q9 c) u* s* D" K
- LSR( y N2 h* R N! p* a. T2 O r
- TAY
1 K; N) \$ K% L) b8 H d# x. u" h - LDA Bullet_Speed_Data_Ex,Y
3 k( U( \2 \# y- E2 n - STA Bullet_X_Speed,X
4 y& _% i: p$ |. d3 }9 T, b - RTS9 T% v, ~" U3 O- k& K9 w' K
- % N3 B5 |* M" s7 o0 t, u" u
- Track_Enemy_Ex_X_Less_End:
; y( `8 P1 h4 Y4 y" T - RTS- N5 `0 ` X9 N7 g0 G
* D2 Y& |( g3 f9 l- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
; }5 D/ r" P4 U, D8 s- A$ j8 h! X; F - CMP #$038 X5 ^) ^9 ~- D
- BCC Track_Enemy_Ex_X_End
R) H" f' R# k% F: a* ~! Y- u - LDA $6020,X+ } Y8 K5 y7 W9 l# [
- CMP #$2A7 e8 p U4 O" ^8 Q2 T% Z1 k
- BEQ Track_Enemy_Ex_X_Greater_L10 s6 G. u% G( O& w1 H
- LDA Bullet_Z_Pos,X
0 } V& v( v5 m" ?# Y0 c! ^) ]2 }, ~ - LSR
0 }3 \9 u b8 D* @1 Y3 u( O - TAY
3 B( H1 {; g8 e! m; G - LDA #$007 }6 Y9 X. j) Z+ O& T7 m3 {: T4 f
- SEC
, t! r2 R; a/ P7 l. y9 n5 c - SBC Bullet_Speed_Data_Ex_R,Y% R" ]" K \0 g! f/ b) G
- STA Bullet_X_Speed,X8 g% T1 y+ L# g! @5 N
- RTS5 O7 _8 f+ t3 M
- + Q9 H& D; t/ O6 d5 q* P" ]
- Track_Enemy_Ex_X_Greater_L1
4 J9 k7 M" F! I# M. ~% L - LDA Bullet_Z_Pos,X9 z( L9 ^5 m ?9 y, i4 M; H0 P( \
- LSR2 N# o9 @. y' z, n( \$ h g# \
- LSR
' A, T, h q" ? - TAY
: I) L( ]" f+ x' b0 ~ - LDA #$00
. R: I4 ~% ]7 A" \ - SEC
4 s. o3 o, t3 g4 O - SBC Bullet_Speed_Data_Ex,Y
, R' q e. P% w* {9 U - STA Bullet_X_Speed,X
* z* g, U" X3 d# z - RTS1 c8 k* R% I) G! o( W) q# D
-
# D5 O! ]0 U B! `) L/ D4 \ - Track_Enemy_Ex_X_End:
3 U$ D; p( P8 o' d. [$ Z" z* `: Z - RTS
' _4 k- V% v# }) X/ L4 c' C5 F - 5 b2 L; W5 [# O9 Y# _2 c* L7 q8 o
- ;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). s3 n# k1 T3 {. r! I; i
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 {9 \- ~0 G6 U+ h0 f
- Bullet_Tract_Direction:! J4 k/ i; Y, m$ \, B" u! ?3 }) g1 A
- LDA Bullet_Icon,X$ ~7 [8 R% M& c$ g3 ?7 X$ g z
- CMP #$23
6 j( _' ^- Q _( i9 k - BCC Bullet_Tract_Direction_End9 p2 y2 r. Y1 _" a4 j
- ? M5 z* [4 a |* Q/ h6 X; Q* G
- ; X != 0- ?" w \- a. }3 B: \8 }
- LDA Bullet_X_Speed,X/ C. r. y. i4 z/ \9 y
- BEQ Bullet_Direction_V
# {* a/ C" E7 m6 u - + {/ _# x2 h3 k g6 |# Q" f
- LDA Bullet_Y_Speed,X
8 U' Y. f) b5 X* C1 G8 _ - BEQ Bullet_Direction_H( M% { Z' y H9 \* K: u9 e# a C
-
( S h& t- n1 b9 {% E3 ^7 E0 C - LDA Bullet_X_Speed,X% N% `( _$ \& B8 p9 Y3 h# C6 ]
- BPL Bullet_Tract_Direction_Right! Q4 u6 i2 p* V9 E! X
- Bullet_Tract_Direction_Left:
! Q) B, b- D6 J0 p2 u - LDA Bullet_Y_Speed,X
O/ x9 t# X1 Z6 P0 r% g2 Z7 ~: F - BMI Bullet_Direction_Left_Top
2 E$ d# E0 \- A( x+ X' V - BPL Bullet_Direction_Left_Down0 }# ?) [" i" u' x! {5 k! k3 R
- Bullet_Tract_Direction_Right:
7 g7 c) P" g& D. {/ ~4 | - LDA Bullet_Y_Speed,X0 J. X( O2 H9 o) M& y
- BMI Bullet_Direction_Right_Top/ s2 Q: g/ J9 v4 z, ?- _8 j7 O
- BPL Bullet_Direction_Right_Down- p& }1 L( z4 T
- Bullet_Tract_Direction_End:
) C3 G! {: ~+ n7 w$ g/ ^ - RTS- `1 T: m5 I, E) Z7 {
- 7 G) Z+ |0 N3 N: Z& H# S
- Bullet_Direction_Left_Top:
o& ^- r) o6 Y" q$ @0 Z5 K& P - LDA #$25+ E5 d2 v _7 l! I4 N; J9 b7 b v
- STA Bullet_Icon,X
# Z4 g+ x: J! F$ t, { - LDA #$C0
) d, J/ `: A5 B* A - STA Bullet_Direction,X$ s+ ]! P$ D' i1 d
- RTS
/ [, C6 m% [' Z) |; a- x* S
1 w6 D# t& C! A2 B2 `- Bullet_Direction_Left_Down:' r; m, F! H8 A2 ^! w, ~
- LDA #$25
7 \9 r) S! x% g% |7 c) p - STA Bullet_Icon,X3 T) e& J8 t( ]% L' Y1 O: e
- LDA #$40. V& X% S% V) e4 @6 I
- STA Bullet_Direction,X3 }. m! Z* y I* P$ F- G
- RTS) b+ s. }1 G% `( |7 E
! W: t) x" A3 t- Bullet_Direction_Right_Top:
* C8 n2 A- O0 E8 `( d8 W - LDA #$255 p7 {+ N; _% M! R3 [- Z* K
- STA Bullet_Icon,X
, O2 p. ?. t/ i - LDA #$807 F4 N: T; t! C
- STA Bullet_Direction,X0 ]) \6 ]/ Z% b) C6 P% n; y. \
- RTS. c m- N3 g6 y T3 N( k2 s
, S7 U: I2 }" ?- Bullet_Direction_Right_Down:/ b6 V! [% N# p
- LDA #$25* b( I, D! P7 S, H5 U; N: P0 t
- STA Bullet_Icon,X) g2 y; [' g/ W1 R! J7 d9 h! }
- LDA #$00
+ \( Y2 M- }. g% w' x8 {' K8 C. Q - STA Bullet_Direction,X
; v! I8 {, h0 {7 B! ^% R% o - RTS
7 `& v s: z' s A2 Z& X* p+ Q
5 _, p* I5 s9 {, _8 r) F- Bullet_Direction_H:
& E! T Y5 j7 S7 F( _ - LDA #$24
$ ]) G8 ], {$ g4 i - STA Bullet_Icon,X8 v, x* ~1 A7 q3 `
- LDA #$00. v, \9 d) _3 W1 `0 V% F
- STA Bullet_Direction,X; g9 Q& k2 V2 Q5 ` {
- RTS
: F: _0 |6 q$ b l0 c! p" s0 M
/ R# t. A8 ?0 d8 p7 R# j7 b- Bullet_Direction_V:
! O' ~* z" B) \% V - LDA #$23
' {3 S* Q& F5 R6 ~5 X - STA Bullet_Icon,X) X) c5 }4 F$ K0 i# ^9 A {+ a1 j
- LDA #$009 |* Z* k9 n) t6 ~, v4 X
- STA Bullet_Direction,X l7 ?4 N3 [; X* Y. ^
- RTS/ O- `2 S5 ?* V) v6 z# C
- + J5 Q7 Z5 N& c: l( |: `, Z
- Bullet_Speed_Data_Ex:
L) B6 m: ]8 \! G - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04. Z+ p) o V/ L" T
-
3 }5 x, i f% }" q2 S4 S - Bullet_Speed_Data_Ex_R:9 u$ I& z4 [0 M* u: h
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
$ v) h( p! p' Z- V9 Q$ g -
复制代码
5 [$ s" c1 Z. C) a' v/ q }- c* l1 `; a' h$ k
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