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[FC][魂斗罗][J][追踪弹]
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) K! \' V2 N. V5 k8 z K; ?时间:2023.04.30
$ v% t+ W5 F* E x5 v% d7 N作者:FlameCyclone
' X' i0 b6 c5 e4 ?8 V内容:
7 h0 d; }1 ~: V/ K) f3 L/ j8 w8 F 1. 所有子弹追踪敌人% X) i! F2 F4 s7 ]% x+ C1 W
2. 选择键切换武器( L, i3 y8 l1 r4 u! z+ e
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
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8 F$ J1 a5 o. g6 n$ {9 r# n( eflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁+ R% B7 C9 `. N$ |9 k
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L! @. j- h6 A' B
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
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* l( w- p. Y0 o) D( L- \% g8 D$ F* L( G- ;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)
' o: N o; A3 N' X5 O - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
% x' @0 P2 V3 P- d/ P
( R2 z5 b6 z* Y- Track_Enemy_Index = $6000
/ O; s' {+ M: z; } - Enemy_Index_Begin = $6010
8 Y1 W/ H; N/ t1 j - Enemy_Index_End = $6011
! o2 D: y9 d5 F
# M T7 @8 |& J K+ y) y" E% V6 |- Loop_Index_I = $6012# z8 i; j# q5 U, B: ^/ P
- Loop_Index_J = $60139 Z9 P0 B9 ^$ `3 y; |
- nEnemyIndex = $6014
2 C: Q* ]1 t! q' F; [1 ^ - Data_buffer = $6015+ d3 k: A7 q y7 d
- , G' ^" Z( `& E( u
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标& l2 m" X" R+ L1 W
- Bullet_X_Pos = $03C8 ;子弹水平坐标0 O8 Q& c v4 V
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
2 Q" X- ?0 u9 y - Bullet_X_Speed = $0408 ;子弹水平速度 L2 `8 c" O' I
- Bullet_Z_Pos = $0418 ;子弹Z坐标2 N1 b5 U R/ H0 @6 R
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P% r& Q8 G1 f t: T( o
. e% K ], T+ C! U9 T" X- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸/ w' Q! d; F9 a7 Z$ c) X
- Enemy_Blood = $0598 ;敌人血量/ f8 `2 E7 a* W' F
- Enemy_Type_Addr = $0528 ;敌人类型9 p( s+ P- s3 s
- Enemy_Blood_Addr = $0578 ;敌人血量' S+ v: C; b2 V
- Enemy_Y_Pos = $0324 ;敌人垂直坐标8 ?# `- \5 T9 T* \3 M" b; H% ?6 N
- Enemy_X_Pos = $033E ;敌人水平坐标
2 p4 h5 y# l- t7 A8 g/ Y - Enemy_Y_Speed = $04E8 ;敌人垂直速度0 C$ ^6 J2 F3 r; \2 E
- 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8 `) p+ k8 V! s& H" E
) Z% F1 k1 `* g; l I2 `; k- Enemy_Index = $83 ;* ~# O/ ?/ J( M7 X" ]5 B* R8 Q. Z
- Time_Count = $1A3 ?# F' X! Q$ f( o
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
1 N- [0 i! \& A, q; ^ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- 9 w5 I! J1 ?$ d4 Q
- .ORG $61004 z& I" x8 D% z: ~# [3 ]) Z
- Process_Begin:
! \3 m5 \$ L% g& C6 m/ I - JSR Enemy_Check) n, w, d- m: Z/ g" F$ K
- JSR Track_Enemy_Check
: T% s7 r) B/ N' A% k, e - Process_End:- y% Q! {) f* l) f
- JMP $E54F
, q) k* N, d7 T" H- b - & ~3 j* l# D0 b+ X
- Enemy_Check:, ] c- \" e, }2 T1 f
- LDA Time_Count
& t( o8 v& ~! r2 A5 [, n9 N% ^: i" k/ F; R - AND #Track_Bullet_Speed u/ D: q' l# M2 z6 X7 @
- CMP #Track_Bullet_Speed3 g+ w9 q/ m7 d
- BNE Enemy_Check_End
4 e1 f7 x6 K/ i" L/ _9 P - LDX #$0F
7 T! Q" D$ w$ b6 a. r - Enemy_Check_Begin:
- t3 A% y; @, C2 P. k# a) G% B - LDA Enemy_State,X% m! y7 k$ |8 q# ?3 ]" p- Y/ T0 e
- BEQ Enemy_Check_Continue
0 _; ~: Q: d+ C V" j2 }0 ^9 z - STX Enemy_Index) o! R3 h/ A6 X, |# Q& J6 w8 Z
- JSR Find_Begin_Enemy
# u s: `$ D" _# y( l+ K! ? - JSR Find_End_Enemy
+ \& v: O4 w8 m: [2 p - JSR Bullet_Track# P- f2 _6 s. f# d* w) F" S9 O
-
! G7 r6 Z: v; l1 t0 W0 _) v5 g' } - LDX Enemy_Index: p3 z+ [9 _: E# W& J
- Enemy_Check_Continue:
6 v$ s/ t( V2 G, j+ ^. ^1 D2 O9 L" Z - DEX
S0 l: M. ^6 D2 D) w- e - BPL Enemy_Check_Begin! q. D% P- f$ Q7 Q$ ~; f% ?
- Enemy_Check_End:2 Y Q. J6 R* e3 m6 l. |, t( A
- RTS8 ]+ ^9 b: i, q+ a3 ^
- 0 S- F+ ?4 G# R( r" p
- Track_Enemy_Check:
0 a: T6 b5 v X& x - LDA Time_Count
* u6 q6 c2 O& _) M2 r8 R: x" D - AND #Track_Enemy_Speed. v3 H+ z- P. v( t3 b0 |" ]
- CMP #Track_Enemy_Speed
* I) n. X5 w1 L8 N& { - BNE Track_Enemy_Check_End5 R _0 R5 ?2 H2 h3 ?- \- b5 E: C
- LDX #$0F/ b8 b" }9 A n$ L+ H- c$ _2 E5 x
- Track_Enemy_Check_Begin:
- {! V, R7 W. u4 [ - LDA Enemy_State,X
: K& \8 B0 T5 H5 | J: x - BEQ Track_Enemy_Check_Continue" t' s* c1 o; p7 I
- STX Enemy_Index
* [$ k, F) X6 i -
! S% d% G! h; K* _ - LDA $40
2 }3 d& ]* ]2 a' i3 V5 [; w8 A - LSR+ y" J0 J, C6 |
- BCC Track_Enemy_Check_Begin_L1( b' S U6 C8 r8 W# `' K4 N2 H+ X
-
3 ?$ F9 C/ b7 ] - JSR Track_Enemy_Ex ;2, 4: T! w+ ~ r* ~; p1 u' ^( Z
- LDA #$002 e2 | z- y& @- W+ d+ {7 p
- BEQ Track_Enemy_Check_Begin_L2
& ?# s" ^* @/ b9 i. ?, q/ C - L6 s9 u$ M: ^3 N
- Track_Enemy_Check_Begin_L1:
9 W U; `( Y: v- r8 M, Y0 Z -
* ^1 Y3 H9 `# z, Q( c4 Q- S* M - JSR Track_Enemy
% d+ V4 ]" l9 z0 |5 E- D
. y \8 | r2 h& G; j- Track_Enemy_Check_Begin_L2:" c5 U4 v2 ^) O. f- ~ f, |- b+ O
-
X& O0 ?- ^9 H3 O/ ?% J - LDX Enemy_Index7 a6 X0 L, X' v) G2 L2 Y5 [
- Track_Enemy_Check_Continue: E! z( K0 i2 {, p G$ R3 u, K, ?: H
- DEX
7 l( n) k$ W/ o+ a s. i. ? - BPL Track_Enemy_Check_Begin
2 J4 s9 c1 C5 k4 Z - Track_Enemy_Check_End:7 {3 }( u7 b5 _( y6 T8 _4 U
- RTS
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2 X T1 {6 b- Z) h% {8 q
+ \3 K' g( Q: D- ;查找第一个敌人
. R9 x% s) W/ j; ?) \% Z: p9 Z9 i - Find_Begin_Enemy:
* `& g( X" k ^! T# \ - LDX #$00
P! S( @3 S; H ]' |; f4 n4 d+ i' W - Find_Begin_Enemy_Check:
( o7 b% K9 W$ f! v - LDA Enemy_State,X
& i' Z. z% D6 x) V! B2 y2 U' l - BEQ Find_Begin_Enemy_Check_Continue" i# K2 m. K3 |, s9 R' U3 ^
- LDA Enemy_Blood,X
( t$ X! M" z: [# y+ ~ w - BMI Find_Begin_Enemy_Check_Continue; ^0 C$ T& o' O4 m. O) A
- BNE Find_Begin_Enemy_End, C5 `( r/ |, ~8 S$ q% q. q$ T; f3 h
- # ^5 \4 a7 Q! e! a- P1 v' N/ Z
- Find_Begin_Enemy_Check_Continue:5 f9 i8 Q( c) r n- C: L& {8 b
- INX2 C) m# V( f6 R) W
- CPX #$10: W# z' D+ s: w* x/ a9 x+ L6 h
- BCC Find_Begin_Enemy_Check! @$ l$ k# c7 b) w0 j
- Find_Begin_Enemy_End:* e f$ L9 i& O! R5 ?( H4 n- Z
- STX Enemy_Index_Begin
/ w& @* d8 `8 h* F+ ?6 m - RTS
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- ;查找最后一个敌人* z# ?& `8 M3 q
- Find_End_Enemy:
0 i2 N: C3 P* d7 Q! } - LDX #$0F% s8 G) E2 u: T" g2 Z _
- Find_End_Enemy_Check:- _6 n& z5 t' U
- LDA Enemy_State,X+ W- T3 [/ D5 q. O: }8 u8 a
- BEQ Find_End_Enemy_Check_Continue
7 m0 u3 ?4 N$ Q6 B7 Z* z/ k! l - LDA Enemy_Blood,X- J" K3 D! X3 ]9 A
- BMI Find_End_Enemy_Check_Continue6 P% M: S4 A1 I3 }8 [ o+ z0 Y
- BNE Find_End_Enemy_End
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% p B4 T; w. j1 \ - Find_End_Enemy_Check_Continue:; p. m! z5 o/ h3 N% T' g
- DEX3 C [/ \& E2 n* ~5 n a! J; v( [
- BPL Find_End_Enemy_Check9 ?. ]- z a, X6 |; X! I
- Find_End_Enemy_End:: D9 s. Z. v3 `% P9 J9 c
- STX Enemy_Index_End* I: J Y4 b7 z- p; t
- RTS1 w! ~+ I1 I3 T& O2 |. T
6 b7 M* [* ^7 v* w4 G' s& U- ;子弹追踪
6 x. `* ?& ~. M; x5 F* A2 u - Bullet_Track:
% v5 x7 f* W( P' F& U, m - LDA Enemy_Index_Begin
" x* L2 }$ z; H) M! P( H - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;8 u8 V3 }4 E: P9 E( l+ U0 {
- LDX #$00 3 l& [2 c% `! a, U4 g* y
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
1 b) M. a# K7 [# ?+ o: } - LDA Bullet_State,X; I0 ]8 o- {6 m9 Q3 ^+ G6 g
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
1 E, }9 b8 h- D8 _- | - STX Loop_Index_I
/ w2 l* r# G V, E1 e9 B - 5 H! f% ^2 S b" k
- JSR Bullet_Track_Enemy1 O5 K( M0 P* r0 [
- JSR Bullet_Tract_Direction
+ P4 ^: w0 ^1 v* [7 t3 O -
" u2 p0 O: Q: p - ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪
. t, b, e) j$ _) N3 v- x0 I' G# C - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;9 g9 C4 U4 x* r A
- LDA nEnemyIndex
6 n3 Z" w# [, r$ E7 @ - CMP Enemy_Index_End
! ~# ]; H+ D5 X9 P2 l - BEQ Bullet_Track_Check_Continue
7 K! w; r/ Q7 a' m+ _; e" S - BCC Bullet_Track_Check_Continue
" n6 L& K7 D9 C4 k - LDA Enemy_Index_Begin% G: H- B# F% A h0 w- _' A
- STA nEnemyIndex
1 M% L8 j. t- b3 V5 U6 x) I4 U v -
# T i0 A O a& m0 }# F% L - Bullet_Track_Check_Continue:
$ r& }. H. a6 g8 R+ d - LDX Loop_Index_I
. V, w9 }$ m" C - Bullet_Track_Check_End:
% M. _/ T+ x4 w/ @# l - INX
G. |7 z* A; t1 b5 B5 Y - CPX #$10
: G4 [% y6 K/ u4 C/ x6 f' x - BCC Bullet_Track_Check
" F! j+ u& E2 m3 a - Bullet_Track_End:
7 U% s* O7 m. t2 ?) j9 u" k - RTS) o/ A; W$ S8 u0 K; s& _7 n% _
- ! X0 |) ^0 K1 e4 F, T- R# r K
- ;给敌人分配子弹3 }0 M* q7 j! K9 R1 T) l
- Bullet_Track_Enemy:
, z. F3 J) w/ E8 ?" S" \ - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
' c1 x2 X) v6 p4 \2 K3 y) R - Bullet_Track_Enemy_Check:' F- l; \( U& T+ @" ^) n" \4 E6 e
- STX Loop_Index_J7 I4 {1 Z* B" o, h1 Y; y
- 6 P* f2 a1 l/ T7 Z6 m& S: D
- ;if (0 != nEnemy[j] && -1 == nTrack[i])5 z) H4 T: p9 a* L4 o+ S
- LDA Enemy_State,X
+ v8 G6 X+ C8 a4 q8 j - BEQ Bullet_Track_Enemy_Check_Continue3 y' D$ G. ^7 d' S+ {6 t: l1 c- b
- LDA Enemy_Blood,X
. R6 o& K) B3 [9 | - BMI Bullet_Track_Enemy_Check_Continue
/ z7 j" W% d! ?! m$ o% g0 }( W- \ -
' I6 \! S9 ^: a& t% i! W - LDX Loop_Index_I
1 ^4 r( n O0 `# J% V6 d1 u. O - LDA Track_Enemy_Index,X
3 `- }- k! @/ s Z% J& T0 u - CMP #$FF- F: C$ G0 r3 M7 h% w( d
- BEQ Bullet_Track_Enemy_Init @' q! b3 \6 T6 X1 p' X, ~
- 0 [3 E* A" }3 Z0 b
- Bullet_Track_Enemy_Init:& @) `- L! N* G* M/ r+ L% j
- LDA Loop_Index_J. m% m# x* r+ J' { e
- STA Track_Enemy_Index,X ;nTrack[i] = j;4 x; A$ S1 E3 d6 }' h9 E
- / y' X9 M) h% {9 x+ j
- STA nEnemyIndex
2 K8 A3 g H6 Z. V - INC nEnemyIndex ;nEnemyIndex = j + 1;% S' V0 K* I2 N
- RTS ;break;" i+ `$ N/ F- R) q+ U2 `* |
6 I3 f! X+ G1 q, f+ u- k$ f2 V5 b- Bullet_Track_Enemy_Check_Continue:9 }: ~2 G4 ~" d
- LDX Loop_Index_J
& p% k' ^6 B$ b( p! L& d - INX ;j++
0 s% U- `* w& p9 G: C- }5 L - CPX Enemy_Index_End
6 k% U6 h' c9 `+ C - BEQ Bullet_Track_Enemy_Check
+ e7 H8 V/ [* r - BCC Bullet_Track_Enemy_Check/ O9 s( H( H r* m
- Bullet_Track_Enemy_End:. X& B! |7 |" g' ?
- RTS
% k, I: O2 [" F2 d& h, G& S3 i4 k
! h9 Z+ b7 @! I- Track_Enemy:
& Z6 B& d: d, S( ?6 H - LDX #$0F/ D) F7 F7 [) V) V# v& J0 b* D7 K m
- Track_Enemy_Begin:
# [* A1 r. t" {. Q+ O3 M: i7 C - LDA Bullet_Icon,X$ T9 M( H% I* A- I
- BEQ Track_Enemy_Continue
) I% U- y) c b* G - LDA Bullet_State,X
' [' Q# v+ B: f$ M8 `; R - CMP #$01
0 A3 ~% D. V% K9 ], Y - BNE Track_Enemy_Continue
7 M4 F, m/ a8 j' k q - " t3 V) p: F$ |
- JSR Track_Enemy_Process
0 S- d: |9 [' {+ L' u: g - % D1 a5 S' f! V! O
- Track_Enemy_Continue:
, A2 Q. a% o3 A! h2 J - DEX# k5 L7 a/ G+ \) p4 R
- BPL Track_Enemy_Begin' H+ T, p; e: P
- RTS
( B \/ S& v0 p/ U: I
/ K2 ~" F* \, M2 {# s! W. q: w" ]- ;普通关卡
, O1 q4 o h7 z( X. B5 ~ - Track_Enemy_Process:8 }; r- L8 X$ w1 w! {
- LDA Track_Enemy_Index,X
; c$ c8 a3 t' }, D* f8 v - CMP Enemy_Index# L; H& ], z& C8 B& C" }" u8 O, p
- BNE Track_Enemy_End e; p6 E$ `- T4 t6 u1 ]6 o
- LDY Enemy_Index/ c% B6 r/ Z. Y& s8 n
- JSR Track_Enemy_Y9 v3 e/ y* \) l4 a5 b& i! M+ J
- LDY Enemy_Index
) E$ f2 B; @! N( U3 D! R - JSR Track_Enemy_X5 K! g: Q& h. z1 m* I
- Track_Enemy_End:- Z) U' c' t; V6 h" @& ]
- RTS
- y4 Y$ g' i- ^: J6 } -
( q1 E8 z1 C2 G1 o' H, A) ?* k - Track_Enemy_Y:* y8 _% F+ i' s6 c9 `# X7 I
- SEC1 {9 P- o, ?% _
- LDA Bullet_Y_Pos,X% E$ G) k: o1 l. q6 W# L' f
- SBC Enemy_Y_Pos,Y
7 H, F: |+ Y3 U7 o% y. P/ U - BEQ Track_Enemy_Y_Equal
, i3 p+ V3 U& ]$ `: W* S - BCS Track_Enemy_Y_Greater
& o/ v% D' H) S0 N5 J/ P ?/ K5 D - . z& w' G2 X& Z; Z
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
4 ~7 _2 A! n# \ - CMP #$FC" _1 u3 h+ T' d" u
- BCC L1_1- A9 i! S7 N# L
- CMP #$FE& ?% U" Y0 C+ ]' ?& F& |- u ?
- BCC L1_2# g3 R1 O; M# q) ]3 L) T
- LDA #$00
1 G/ A5 l0 S$ ?( V - STA Bullet_Y_Speed,X
( k) P# F9 {/ B. [: N2 s - RTS
* r$ U/ a% [. u W3 e* l5 ? - L1_1: , u- B' w) k) _6 D4 W8 p$ d
- LDA Bullet_Type,X$ g! k; o( K" _; C
- AND #$0F; o5 S' F+ b9 G. O& i/ ]8 o a
- TAY
' M8 X, f" z- d0 x) A+ H* B - LDA Bullet_Speed_Data,Y
! N, u$ _4 e- |; L7 _' v& h - STA Bullet_Y_Speed,X
9 G" a; Q+ r' F) n) I) r- b$ n- k) `; H - RTS4 [ s( c3 W8 X, n/ T/ W3 b( d
- ( A/ m2 ^- ~8 e" z
- L1_2: 0 W* |- p0 W8 W, f9 L1 O
- STA Data_buffer2 u5 Z1 Z+ @5 O* B( u; M( s
- LDA #$00$ O& W% H3 |* S+ K5 m
- STA Data_buffer3 d W6 Y" B. \7 ]! ?- t, h u
- LSR
$ V1 f, n% ~- H) s1 K% w' E - STA Bullet_Y_Speed,X
1 z) ~& b& |! p3 z2 H, w; F; { - RTS
2 _/ U) L0 d; P$ R
, D2 P4 z7 H$ s; s; k" T- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y5 U( ~% ?/ N$ p" ?* I5 J
- CMP #$04
- a/ z {% Z1 ~9 a* j: r7 k2 u, v - BCS L2_1
* b3 M' m+ u* i8 `% [ - CMP #$04* j( T7 v8 L' M
- BCS L2_2. c9 r% b; p* p* w
- LDA #$007 M( M6 G) n g: s9 X, C
- STA Bullet_Y_Speed,X
; q! R+ R6 i% K. I! d* j - RTS7 I/ l( M1 ?( I; C) K& B
- 6 B* A9 I# _ w) A9 E
- L2_1:- }- E) g3 t8 T) i# G3 m& | E
- LDA Bullet_Type,X
% r5 O. c. x" }, E# Y9 i3 ~* ] - AND #$0F
* ?! E+ ^8 p& f7 o, [9 \ - TAY
( q! P. V. I' d" s2 d0 P - LDA #$00
% ?" P# F M r' K4 {& X! f - SBC Bullet_Speed_Data,Y
2 `$ m! O% |) K - STA Bullet_Y_Speed,X
7 Q! G6 E6 H; L7 O9 T. r - RTS
7 t$ W" v% S. z2 v - ! n) [& d- y( v5 f) V5 p
- L2_2:4 L" u4 w5 L1 i% ^7 H# a
- LSR9 i+ T7 Q8 p/ j& {
- STA Data_buffer
& r/ ~; M) @$ V9 P4 ]( p/ P - LDA #$00& G$ \+ D8 {5 R6 Q+ k0 V
- SBC Data_buffer
N2 K2 M! E( t4 B) x* f, s - STA Bullet_Y_Speed,X9 S& w" `( y* R9 ]* e! ^
- RTS& C- e: C% ]5 ?7 J
-
! c/ v/ x# |: B& Z1 G - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y' O' o# \! l) X) q" o( Z
- LDA #$00
1 b6 l4 o+ l! J2 z+ v) h8 n - STA Bullet_Y_Speed,X3 I0 M( j1 J9 K; D
- RTS
4 r7 ~- b+ H" a4 v, l -
& q6 A/ h5 j* g6 m8 s - Track_Enemy_X:8 T0 @2 I2 X( `9 P+ ~: z
- SEC
/ b: J! A* U! U% W# M - LDA Bullet_X_Pos,X' a- l" T4 R. `
- SBC Enemy_X_Pos,Y
4 l# |5 z9 |9 G - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X5 m9 e5 I6 T1 X# I& O5 M" V( J
- BCS Track_Enemy_X_Greater ;子弹在敌人下方$ ?) i" l$ p# l) \% [
- # p. }8 l! I1 Q8 X# d% w$ ~
- Track_Enemy_X_Less: ;子弹X < 敌人X
- h: D: q3 z# m7 [; I1 c! C" V - CMP #$FC1 K$ o: m6 F, ^, p4 g
- BCC L3_1
2 ~$ A) F H6 r! R2 d( V - CMP #$FE
3 L. x! v. K) f9 q+ Y - BCC L3_2( R- s( U4 |; |) ~1 D$ ]! B
- LDA #$00
7 W3 q" k2 ]: i3 E" J1 l1 ~ - STA Bullet_X_Speed,X
6 C8 c4 U+ i" h" V6 z - RTS* ?% N$ O! N* H+ j
- L3_1:
0 S3 ?4 f7 X- a4 b - LDA Bullet_Type,X! B+ j( H# l2 U4 O) t2 k8 U
- AND #$0F3 N0 x4 c# D* Q
- TAY
+ j# e% I$ M2 F6 w9 p5 |( [9 c - LDA Bullet_Speed_Data,Y
) y6 t4 K. {# Y; W - STA Bullet_X_Speed,X
/ f7 Y$ Z4 z" s( z1 O1 P3 ] - RTS
( V1 F2 T) }" K1 w - L3_2:
" Y/ B. t& s1 c$ |" v [7 R - STA Data_buffer/ o7 o! n* f1 e9 z9 ~8 Y9 F
- LDA #$00
+ q' V U* @2 U& L# C) S4 y - STA Data_buffer
& u$ e# u; d7 u) S _0 v - LSR' F( e4 E O, O. I" R2 d) V6 S$ z
- STA Bullet_X_Speed,X
# n! l5 Z+ Y4 @. R7 i - RTS
. L4 i% S s2 j% ~9 S! Z - ; F) a5 g( f9 h1 n$ M+ v% t
- Track_Enemy_X_Greater: ;子弹X > 敌人X
9 N+ ]* R; k1 [, t8 A0 @ - CMP #$04
% x+ ]4 T# q* B* Y - BCS L4_13 s4 |* {. r& @5 s
- CMP #$02# N. n8 m& a3 A: M
- BCS L4_2
' i! v) }0 W+ V% t% A! _$ X, x - LDA #$00
0 S; p1 B5 T0 T% e) w0 f5 |- J - STA Bullet_X_Speed,X
" J/ |. |; n' ?6 _2 s! z- D - RTS
# e1 ?- I8 T( j -
$ n6 i# `; {9 ?# A - L4_1: " E" g: d3 N' i* V* p0 u- e t
- LDA Bullet_Type,X7 r: w" B! {, z$ K% o7 B
- AND #$0F
3 _% R3 F/ Z5 |2 _" d! k$ N+ R - TAY9 K9 r& _; {) V) k9 z
- LDA #$00
8 S! W }' b4 ]4 J - SBC Bullet_Speed_Data,Y
. b0 h# c# n* o9 {% |9 d! z' ~ - STA Bullet_X_Speed,X+ n* x& K, r: u" P( E
- RTS
( p, s* l l. K) u& u - L4_2:
7 J( _& O: l" J) v0 I - LSR
- ^! |( W/ w4 A* l$ T/ a3 A' E - STA Data_buffer6 I. g( k! b+ C- {" L* g/ S! b$ L9 d
- LDA #$00- y" V! W" t( @* ^9 n0 w; T* B/ z
- SBC Data_buffer
& e9 t& H" M4 J% b8 N* E2 k - STA Bullet_X_Speed,X' L) F B# m/ ^3 O
- RTS
8 w/ k5 |; q3 t& n0 g - 2 b( m5 ~! H2 x8 O
- Track_Enemy_X_Equal: ;子弹X == 敌人X
# r7 w# c7 p& b- T- G6 R5 N - LDA #$00/ K! K q4 ]) h6 U5 t1 c
- STA Bullet_X_Speed,X0 h! A5 L/ {1 O! R, C
- RTS
1 ] v1 j8 s- J6 m) D - z( X/ L! x5 o( |. { g
- Bullet_Speed_Data:
+ a2 M* ]6 P" I& g& k x3 P7 D - .DB $00,$03,$03,$02,$03,$03, P& f& N- Q( j) }! n$ F
- 3 Z: |, I: u/ B, Y9 ?
- ;2, 4关
4 ?( m' i& m0 M/ q - Track_Enemy_Ex:
3 ?; n! C& m' J - LDX #$0F7 ~% R7 o' y# O( a
- Track_Enemy_Ex_Begin:
: N" Y1 [! C4 C/ p - 3 m$ D4 S& ?* ?, c2 M2 w6 {
- LDA Bullet_State,X
- J4 ~/ B+ `# E) Q* g) l - CMP #$010 D7 Y3 G8 I: E4 {9 K& }- d2 z: b( T2 j
- BNE Track_Enemy_Ex_Continue
0 E8 c$ E2 X' e I -
: `" j! A2 Q* `: E/ Z - LDA Track_Enemy_Index,X
% Y4 \" @ p- Z - CMP Enemy_Index7 L) {. ]) h' A' o; o" j/ r
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标# Q, Y7 p; [6 A) L E* J2 a
-
2 i& E) B2 g7 f" a7 Y- j7 \2 } - LDY Enemy_Index& z! c" ^% G# n# P7 C0 X. V: E
- JSR Track_Enemy_Ex_X
0 J- o% `3 ~1 b5 m0 m2 }# L1 v - . M1 S% |6 A# d# Z! M3 C6 Q! I
- Track_Enemy_Ex_Continue:! ?8 d* N2 m' t9 }$ n# y
- DEX
2 D. E. ~$ W( X; w* F- o - BPL Track_Enemy_Ex_Begin
! n4 }* P) r# F$ x - Track_Enemy_Ex_End:- U0 R$ @3 E2 b+ E, l% ~( _! v. J. s
- RTS. C" S/ |& B7 y t) F0 t! v
- 5 Z2 v3 e5 T, F
- Track_Enemy_Ex_X:" z4 T9 G0 A! ~; P2 o
- ;LDA Bullet_Z_Pos,X
6 g0 a1 u' Q- B1 B" u* {* t - ;CMP #$048 u7 X7 `4 @0 k# U
- ;BCC Track_Enemy_Ex_X_End7 r c$ H9 v7 J1 M: B
- SEC5 A( H8 E# h I2 t
- LDA Bullet_X_Pos,X% o* [1 P) j# K8 J5 X/ j1 E% m
- SBC Enemy_X_Pos,Y" p/ y0 j7 S/ Q% T) n
- BCS Track_Enemy_Ex_X_Greater
' I+ v# ]" d! x _! r -
: K; T: c7 X: v0 _& E* L - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
1 O+ }' D6 J% t2 _. L2 u) d: | - CMP #$FD5 f- z+ y6 L( b3 w& o0 |4 l. D
- BCS Track_Enemy_Ex_X_Less_End
$ }' m3 b* m0 w1 [ - LDA $6020,X
# x! f- r7 b* l2 C, w# d - CMP #$2A0 B, Q) E( x$ U& m9 d' [6 g& C8 S
- BEQ Track_Enemy_Ex_X_Less_L1
% ^" r4 D( k+ K+ V6 o+ o7 k- x - LDA Bullet_Z_Pos,X
4 y, |5 K& r% p2 n( y+ u - LSR9 w _6 t2 z3 X' ^
- TAY1 j9 ]4 V K4 j3 ~9 \2 k! t
- LDA Bullet_Speed_Data_Ex_R,Y
: i4 x' V. `& {5 Y" j% s6 P7 s0 V - STA Bullet_X_Speed,X
. T) b4 c' C) L; e3 h - RTS
* F- f0 F7 R2 z' i' K/ ` - Track_Enemy_Ex_X_Less_L1:
+ }6 e5 i+ Q6 y+ d9 t% r2 I" @ - ) R7 G( j7 H8 o4 i
- LDA Bullet_Z_Pos,X7 v* a S8 m/ f4 r, S6 c+ Q7 C
- LSR
$ W1 J! T2 m: z2 a - LSR- T. J, |+ l M1 J* v- Q% N
- TAY" T4 ~ E+ [( X( Q
- LDA Bullet_Speed_Data_Ex,Y
; I! W* r( s6 K+ X - STA Bullet_X_Speed,X
3 ^& m( }. J3 w3 a" R% h) S - RTS5 A" Z j6 h4 r Z, v' ]& e$ X
-
# ^% u5 v. J$ s5 W p - Track_Enemy_Ex_X_Less_End:
) H' i! j% p/ B4 R - RTS$ i# S. F9 G H6 n* A: B
- p N9 h6 Z& v6 M8 x9 L% q
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X! s3 u3 L9 d7 B" P: g6 k3 F5 s
- CMP #$03
! A, t9 F; \6 |/ D - BCC Track_Enemy_Ex_X_End# N% \! n7 z3 `" f* t$ y- a
- LDA $6020,X
8 e1 {! D ~) b. P9 Z$ C% | - CMP #$2A ]& g+ w* H6 Y4 ?
- BEQ Track_Enemy_Ex_X_Greater_L1
- f7 Q" j- E1 a5 H8 Y( l - LDA Bullet_Z_Pos,X
' |- p2 w+ B8 _6 `1 |9 h - LSR
) {: l' X- @& Q6 z# r& H% F& h - TAY: F) l+ I. }; D
- LDA #$00
; R! ^5 \# h* \6 f* g/ M/ M - SEC, x/ C" k% K# `' W& `% p) m/ u
- SBC Bullet_Speed_Data_Ex_R,Y, R) G1 F$ w0 `- ?: [
- STA Bullet_X_Speed,X
6 ]# z: m6 _9 |% c5 I( R& H% x8 w - RTS
; R3 Y! o) g2 L6 x' E6 D [ -
' W+ U, _. R4 J* T9 r - Track_Enemy_Ex_X_Greater_L1$ `. S& e3 m3 v3 \. R/ k
- LDA Bullet_Z_Pos,X
! u# R' e& G9 N - LSR: |! S5 {9 s' p' B3 i. C* @
- LSR
0 S( Y, J4 z! K - TAY( C* `* F- i) R% R
- LDA #$004 h2 o1 @; t: N- l- ^, o( ]
- SEC
- V: D2 |0 J/ ~4 V/ T - SBC Bullet_Speed_Data_Ex,Y
# o7 U9 T* h4 u+ T8 T: X d - STA Bullet_X_Speed,X/ w* [' a. a& |! J
- RTS4 m5 ]) T8 X6 U
-
+ e! F. r9 `, p0 \% T# y# T9 f - Track_Enemy_Ex_X_End:
% Z/ q8 a% f U9 O& F; T$ b! u5 U. z - RTS g0 U: ^1 G" ?2 D) s7 Y
- ! Y( O/ c; \/ t: T) ?3 U* L
- ;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) C+ t7 c7 p3 j* }
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
. b2 _2 i* V2 M. k" m4 L - Bullet_Tract_Direction:
) R) i( J* ^+ d% r - LDA Bullet_Icon,X2 ?( K1 U; g' n3 Y/ n& x
- CMP #$237 W, p1 l6 M7 p) J, v
- BCC Bullet_Tract_Direction_End) ^: N% e% r) ?) T' p/ _1 z
- 9 }. b' c3 u$ A
- ; X != 0$ ^9 v; p) {6 R% R
- LDA Bullet_X_Speed,X( S, [; U7 K, q$ c, a( S2 }: K4 H& g
- BEQ Bullet_Direction_V+ q% l; D7 y3 @6 @& g- t; s
- ( U3 x" l( Q; Y4 s$ s4 p* M
- LDA Bullet_Y_Speed,X
, u$ d8 e- T* w- C! H7 x - BEQ Bullet_Direction_H
0 |0 ~2 k0 C; E6 ?9 w) e -
+ z. {1 \5 a" F6 ^( Y - LDA Bullet_X_Speed,X* Y* Q- A) p! O* H
- BPL Bullet_Tract_Direction_Right
6 a" f6 `- t! J- [, x4 \ N - Bullet_Tract_Direction_Left:' P4 E( U( ]1 Y9 J$ o
- LDA Bullet_Y_Speed,X# n% K1 k) H" h' [7 U! F( L
- BMI Bullet_Direction_Left_Top
& |) B. r# K9 b7 e - BPL Bullet_Direction_Left_Down
) d6 _2 L6 q4 C( i, a5 k - Bullet_Tract_Direction_Right:
6 Z6 O0 u6 Z6 H6 {! f - LDA Bullet_Y_Speed,X* L$ g8 ^5 p( L6 Y- l" i
- BMI Bullet_Direction_Right_Top
) y7 u/ A) G- B - BPL Bullet_Direction_Right_Down4 [# f( t2 F3 I. \9 L4 M( f l
- Bullet_Tract_Direction_End:9 K- K: {3 f- P* G. W
- RTS. s- }9 v, f! i$ P0 y6 d' V) z& n/ g9 D; R. T
- , v, I: ~# w, {# K) [* c
- Bullet_Direction_Left_Top:
) b7 n) g" `/ D. c! Z - LDA #$25
9 ?7 i) {8 w0 | U, Q8 I - STA Bullet_Icon,X
3 h' L. [- n4 X5 p - LDA #$C0
; [* g# u* F8 g, n$ O - STA Bullet_Direction,X% u6 |$ U L; W4 X' n
- RTS
9 e% H! C7 S2 W+ ?2 V! I) a: x. w/ H
/ s9 D, n: F+ ?, D2 F- Bullet_Direction_Left_Down:
$ [( e# E+ H% Q! l$ B* D$ l - LDA #$25! C# T2 d# Z7 I* p: s' ?
- STA Bullet_Icon,X
1 |$ G7 f" p: I/ D5 } - LDA #$40% z0 H$ Y t5 X2 r
- STA Bullet_Direction,X
2 S# `* _* }9 z2 r1 J- b$ g! B: S9 E) Z - RTS
: O' ~2 n1 i6 }+ ?8 G - g- G& G# F, v. G2 w; I* u& }
- Bullet_Direction_Right_Top:2 V$ @4 b+ n5 q3 V/ I; B
- LDA #$25. D$ w. J; L5 d- A/ z+ Z. g* A9 } Y. o
- STA Bullet_Icon,X; y |* o: g; \' H, C3 g& j
- LDA #$802 R) O5 a# \. M' r2 {2 T
- STA Bullet_Direction,X7 r5 S: g4 _3 s* K5 ]
- RTS
9 g* S8 j: U! q% ?# z( ?- I* _ - & S4 r" L$ @4 V J
- Bullet_Direction_Right_Down:
8 |: g z: [* W" A" I( M - LDA #$25
; ~8 q8 ]2 U1 z+ U- Z' { - STA Bullet_Icon,X
! t2 [' U5 d h' W: M - LDA #$00
4 R6 p. x3 Z2 D% N8 m" Y- p3 n( q - STA Bullet_Direction,X
1 S' u1 r7 X0 P3 @$ L - RTS
* l1 {# @0 R" @ s, z - K5 _' W, N( l! Z0 P( g. g
- Bullet_Direction_H:
8 [: B1 _ n9 ]" V, ?2 _2 `% h( `8 @ - LDA #$243 @) e% h5 ~1 M& ]$ x1 F
- STA Bullet_Icon,X
' g+ K. X4 V% ]/ N - LDA #$00
3 {0 P7 y9 h; {, w1 X - STA Bullet_Direction,X
5 y& k9 w6 b: ^, b, m6 S9 [ - RTS
2 Y6 ^5 {. s x+ L! ?
# R+ o& A9 }, w8 R3 N& }- Bullet_Direction_V:0 a$ U7 o& V2 u* N v9 |- x0 b
- LDA #$23& @% r# d1 K1 m& Z& M8 E$ E
- STA Bullet_Icon,X1 Y* {/ T: A9 \; C1 C# q0 L! d0 n
- LDA #$00
- ~# Y+ ^# r" T2 N - STA Bullet_Direction,X
: Q. t! ]* y0 L3 @1 l; {' u3 d: l+ E - RTS
0 y8 M: {! n0 N
. {- ^/ y8 V& T+ T( z s) ^- Bullet_Speed_Data_Ex:
* a& ~4 |. @$ Q9 B9 C& e% H - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
- M/ S& \$ w- k) M. | - * w% V P+ g) p: i; M/ x0 X+ }
- Bullet_Speed_Data_Ex_R:
* ?7 w1 m( H" r* Y8 _ i4 r9 A9 V - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
( }; o# k: n4 I& \# U+ _ -
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$ \* e* D% s o0 A) I* Z8 A& B6 {- @2 \ J$ }' ^
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