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[FC][魂斗罗][J][追踪弹]0 t6 N( G m8 i1 a/ p
8 y9 A) a( {* q0 a/ _6 j6 S
时间:2023.04.30
0 I) K' {5 v/ ?) A0 \4 ^7 i作者:FlameCyclone
, [( B2 K! D9 b* L: L" K8 X内容:
. R3 Y* T1 d- u: b4 G* ?/ u 1. 所有子弹追踪敌人$ ?; o" N/ n) j9 s8 V' E
2. 选择键切换武器
0 ~* Z4 w! n9 D( w 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) ?) b2 s. i9 P( Y* k: J
+ Y$ r G" s4 q: w1 u
flamecyclone.ys168.com
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& T0 M* `, c7 s- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁1 X U, }" ~8 ?& y
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L/ s8 x% x& _4 \9 I# O g& z5 d" p
- 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)/ `% J& O3 H3 P
- * N5 Y" s: y3 Y" M4 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)
% z2 I: `( F- X/ s9 T' u - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
9 P8 G7 a. f. {' t! v5 L6 P
7 }! u* ^: B2 ]1 x- Track_Enemy_Index = $6000! C: q9 W ] z% I
- Enemy_Index_Begin = $60106 \2 ^8 Z; i# ]% Q% V: q' t
- Enemy_Index_End = $60111 g. W4 Z) s9 {* X V9 q' p
- & ?2 o8 m1 W2 b/ V
- Loop_Index_I = $60129 t. Q2 A0 a$ f
- Loop_Index_J = $6013+ `. |$ M1 o$ q% S3 l4 }
- nEnemyIndex = $6014 E, G, R4 R. A6 r O
- Data_buffer = $6015( q$ ]( l3 v5 @9 F1 ]6 s
- * A. r) o3 q# l8 m, ?7 s
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
2 K m3 D" q6 u5 ^ _1 j - Bullet_X_Pos = $03C8 ;子弹水平坐标
' w* I* a! b( m. q - Bullet_Y_Speed = $03F8 ;子弹垂直速度 I. q3 V( Z3 B6 i- W/ U
- Bullet_X_Speed = $0408 ;子弹水平速度
% l) s$ v: C: L7 M9 {% v( Y - Bullet_Z_Pos = $0418 ;子弹Z坐标7 {5 T# i1 T5 r0 D- M
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
. d Y5 j& ?+ s3 y- A* d T - + T+ [, X2 v% C$ K$ s) E
- 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
% m- l" [, N! C( N - Enemy_Blood = $0598 ;敌人血量
, }0 h H- ? u B* \' K8 L - Enemy_Type_Addr = $0528 ;敌人类型9 f/ w6 [9 f. V$ f( M/ X
- Enemy_Blood_Addr = $0578 ;敌人血量
" X7 S1 A( G- P7 H - Enemy_Y_Pos = $0324 ;敌人垂直坐标- q' U9 R; U" |
- Enemy_X_Pos = $033E ;敌人水平坐标7 R( O6 c0 X1 H" e& |3 G
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
* u6 m( M) \4 Y ~ - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸) I6 @8 }/ f0 Y- x' G' Q
3 B: h2 V$ Y' d+ A5 n4 c- Enemy_Index = $83 ;+ r& S( U: P% H# N- A5 O. ]
- Time_Count = $1A1 a6 a( P% l5 _# B
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率6 O3 Y' M! ~& v$ l
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率5 R( h B9 m& C( O: B$ R9 m7 w8 m
- , k+ I/ P1 Q2 g: g
8 d! C L; |4 F( T4 l' `- .ORG $61007 E, k: y5 A5 Q
- Process_Begin:1 _1 e! w' e0 p+ G" M
- JSR Enemy_Check
. }7 L: v+ V, a' G3 l8 E8 }) ^ - JSR Track_Enemy_Check
: u% M1 w$ m5 B0 x m - Process_End:7 [% Z5 e c# @1 ]/ E7 W4 \& ?8 j, ]9 l
- JMP $E54F
; Z9 n N0 ]/ }7 F# x0 f
. Z+ ~* F/ u" o8 F! ]- Enemy_Check:; X8 N* d& U/ U
- LDA Time_Count
b3 I" ?$ ?/ K4 O2 E* j3 E - AND #Track_Bullet_Speed
' b y$ O7 k( d4 g" I( v$ f% a - CMP #Track_Bullet_Speed
& S' u4 z/ r1 O4 r% O0 E - BNE Enemy_Check_End
; o; }4 |) L; {: h" w - LDX #$0F/ f1 D9 E- A) s w2 A$ }7 L# b5 L
- Enemy_Check_Begin:
`5 t5 s" b, |# j6 L9 b - LDA Enemy_State,X* U2 F* U, ^9 O. D4 P
- BEQ Enemy_Check_Continue" y& W/ ^4 {5 K8 U# |; a
- STX Enemy_Index1 v& @ Y7 ~3 ~- a
- JSR Find_Begin_Enemy6 i1 H8 p! n* O% d0 n
- JSR Find_End_Enemy8 B/ G2 Z! ?% W H8 z, D/ S2 N# ^; m, |
- JSR Bullet_Track
/ |) Q9 V# D. }$ b. n -
3 F! H5 @, e6 E' N8 D - LDX Enemy_Index
5 i1 `0 c( [2 q - Enemy_Check_Continue:: ]: K) g) @ b' ~5 V! w- }5 g5 \. j, I3 ?
- DEX0 G1 X* O8 X) M5 [7 w
- BPL Enemy_Check_Begin" ? Q9 g( }/ B! }% K( k
- Enemy_Check_End:- T9 ]" w9 D5 C5 m( T% u
- RTS3 E% a$ e D+ F; Y S% L4 g0 p% B
- . K% h+ I- I0 P5 I' N
- Track_Enemy_Check:
' Y5 G% V! r7 t4 F0 q3 P7 | - LDA Time_Count
D' q5 K- P$ O( L2 V - AND #Track_Enemy_Speed4 b2 m- ~& F3 j! @2 F c
- CMP #Track_Enemy_Speed
. K/ j( A4 p5 y( c - BNE Track_Enemy_Check_End) l, Q8 x1 w# U2 S) A1 H) s O
- LDX #$0F) [( J& P8 w( G0 D! g
- Track_Enemy_Check_Begin:
, |/ d4 k, \! h( ^" n - LDA Enemy_State,X; o5 F; S6 l6 q8 b* t* ~- \
- BEQ Track_Enemy_Check_Continue
1 [; p) D. t. J# s! E! o - STX Enemy_Index
, r( h: R; J: r( l- e; d -
7 W5 P6 t+ p( [1 R* ~/ E+ @0 C; Q - LDA $40
9 W+ M+ t1 V& f2 O0 I% `/ f - LSR" L* d1 u8 H: E9 y
- BCC Track_Enemy_Check_Begin_L16 i8 L6 K D/ g8 j' Z6 g
-
4 i2 l" ^2 C2 V& z - JSR Track_Enemy_Ex ;2, 4$ s( ~* y2 G% w- z
- LDA #$00. O4 v* [) ?5 l8 Q
- BEQ Track_Enemy_Check_Begin_L2# ^/ |9 [/ b& t$ @: j. p5 v
- 5 g( `% c: K( p0 C9 D6 f: B
- Track_Enemy_Check_Begin_L1:" y" j9 g/ F$ |1 S3 Q- C5 o+ T
-
/ H6 u! i. U( f, N( K: n7 R - JSR Track_Enemy
2 H# e- v& X0 L0 s3 ~3 v; T0 p& B
: F% o% _: w. r* e! C- Track_Enemy_Check_Begin_L2:
$ m/ P0 W: A' i+ r - " O9 B- \+ U4 _$ s; i( ?8 |
- LDX Enemy_Index
1 }& R9 t( ?- [1 p' Q - Track_Enemy_Check_Continue:
7 s2 \+ O% l: X+ o: k" h - DEX$ C% U9 l% P4 @* {/ K9 h3 O3 R
- BPL Track_Enemy_Check_Begin& H; \9 ^. q: n" b- Z
- Track_Enemy_Check_End:
' Q% _& Y8 ^' P3 p! S/ } - RTS
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- " I( W5 S1 m% U9 t
- ;查找第一个敌人
7 y8 f6 u/ N1 }8 p - Find_Begin_Enemy:
- T; h9 @' W8 v# w - LDX #$004 z. t8 w. }" o1 d3 f% N
- Find_Begin_Enemy_Check:
3 h- p j% \, n( \0 b - LDA Enemy_State,X
' M" [' e% r! [9 } - BEQ Find_Begin_Enemy_Check_Continue+ S1 L/ C: G" u7 H: |; l( k$ b/ d, M
- LDA Enemy_Blood,X, U1 G! V9 t$ K: a2 n9 H- {7 j
- BMI Find_Begin_Enemy_Check_Continue: y5 F) [. s, _$ u' u
- BNE Find_Begin_Enemy_End- T/ v% X P7 c
-
( G2 j+ B9 ]3 b' [+ J' V - Find_Begin_Enemy_Check_Continue:. b7 I4 P1 X+ f; E5 Q
- INX- t+ b" d4 W4 e" O
- CPX #$10
, L K. V- I X' U- j K9 V - BCC Find_Begin_Enemy_Check# o) d8 {: V3 I! D& D |
- Find_Begin_Enemy_End:
7 o/ m9 e* k+ D% J. g0 ] - STX Enemy_Index_Begin
1 ~: _' R1 L" N - RTS2 h Z7 f; O( r7 W
1 N- T, k7 u% g) ?- ;查找最后一个敌人7 _0 m5 ` S0 [( I, ^, }
- Find_End_Enemy:
7 Z, e$ X* S9 j7 I - LDX #$0F
" \' ?. e9 q7 _1 K - Find_End_Enemy_Check:
/ m; Z- w9 w$ B Y/ ^ V Q - LDA Enemy_State,X
' p' U: z9 c0 m/ y/ F; @ - BEQ Find_End_Enemy_Check_Continue
* q4 B- [( n _# n, r. @. }+ ]$ G - LDA Enemy_Blood,X
! h0 m) `0 |+ p6 K - BMI Find_End_Enemy_Check_Continue' |2 [9 D* a* ^- k% h9 M! F
- BNE Find_End_Enemy_End+ I) D8 O$ t5 {9 }+ w
- ! y$ X1 G% V2 V: a& ~ R
- Find_End_Enemy_Check_Continue:+ C% W# n" i0 z
- DEX
8 n4 A/ k0 w5 i% G+ z2 t1 {- b- E - BPL Find_End_Enemy_Check& ?# A6 Q0 F+ I& Q
- Find_End_Enemy_End:9 r; }' B, ?$ X5 v: R0 w- ^3 w& q4 z
- STX Enemy_Index_End+ A( R; d4 W# j* K
- RTS
# ?. ?# @. X% y* t. t - 0 S. } F! a W
- ;子弹追踪. z$ _" b9 }: ~9 u) l4 ?, h2 i
- Bullet_Track:. o' p0 l/ r3 J* B ?
- LDA Enemy_Index_Begin- E7 J* M2 b2 n# m: q, U" i7 f1 m
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;0 t1 T$ ]& y5 u' H% S
- LDX #$00 & j* ~; x8 c6 {1 B6 |' ?" q' e$ _
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
$ {9 D# n5 E* D2 K4 Y8 r - LDA Bullet_State,X0 X; x5 d: Z; L' N' f
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;7 k# @8 L( R" `3 @* N) o5 A% ^
- STX Loop_Index_I
2 A, X; Z+ ~9 T! [+ m8 | -
6 V: U. ~* } ?; E. T9 Z4 s5 Y - JSR Bullet_Track_Enemy
9 l( t8 x. G& V2 B( d - JSR Bullet_Tract_Direction; u& T' S+ ^' V3 x
-
8 E& w: c9 x- ]& k8 ? - ;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
# P, o% {$ V' T& ` - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
: K0 W5 M( d1 N) U+ T: ] - LDA nEnemyIndex
2 K% c, `, k3 ^6 i* V* N - CMP Enemy_Index_End
) Q) B- W# N" M# u! ` - BEQ Bullet_Track_Check_Continue) U: x4 n$ {( p ~( ~6 Q4 V% _
- BCC Bullet_Track_Check_Continue
1 \1 C: R- ?/ ~9 }+ a6 W0 l - LDA Enemy_Index_Begin: _# i& M: }' b
- STA nEnemyIndex
0 C3 c) ?0 w; o* p: B5 Y -
2 g8 L! ~. U! L - Bullet_Track_Check_Continue:' E( E) F$ S# ^* z9 h3 X1 a8 M. y
- LDX Loop_Index_I
& z: u* E: N+ ~- Y5 u8 m. Y - Bullet_Track_Check_End:
0 R, y. R/ Y1 D( h - INX
; C% n2 Z! \; P3 C& t& P) q- ?3 Q - CPX #$10$ |" m0 ~) g0 Y: U3 u3 Y9 f5 {
- BCC Bullet_Track_Check$ Y$ v. i. P; H/ C( ?7 j
- Bullet_Track_End:7 X7 ^ B: t, u8 o+ O
- RTS
( `: G) m/ s' b" `9 h \* _3 ` -
2 k' W7 y' j4 m1 Z1 o5 f% w! N - ;给敌人分配子弹 B) e- X/ k6 D. @
- Bullet_Track_Enemy:
4 `6 d( E$ O3 k- K! N5 ` - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)8 \0 m$ c4 x7 n6 S
- Bullet_Track_Enemy_Check:
3 g# X+ B! p' {$ \ - STX Loop_Index_J# k* i4 S+ J: \) O
- + z5 D, m7 K# Z; k( R" v+ t
- ;if (0 != nEnemy[j] && -1 == nTrack[i])+ ?3 @ i6 k3 ]5 D
- LDA Enemy_State,X
% _1 E, q5 _5 M- z& E4 h" M - BEQ Bullet_Track_Enemy_Check_Continue9 Z1 ~$ \# T' F! F' k
- LDA Enemy_Blood,X; p* N/ B' _+ q
- BMI Bullet_Track_Enemy_Check_Continue
* }7 m3 ` T, I" v& l - / i" |9 F& n4 W' s: a3 e8 e
- LDX Loop_Index_I; F- A; \6 b4 O7 w! e3 }9 k' b
- LDA Track_Enemy_Index,X K0 L9 m( R4 W
- CMP #$FF
* Q, P/ ^8 s/ D( e - BEQ Bullet_Track_Enemy_Init
: l7 ~, q* v6 T - ) E* B, K- w3 E2 r0 s) w8 R) u) i
- Bullet_Track_Enemy_Init:
( D; b/ ?3 t/ M2 z: _ - LDA Loop_Index_J
; {2 y" I+ {% y( L' C - STA Track_Enemy_Index,X ;nTrack[i] = j;
/ }! b& o6 T) r0 W; @# f' M - , X& s' _8 Q6 H" ?! _
- STA nEnemyIndex0 F3 s9 \, Q* D$ j/ P) p
- INC nEnemyIndex ;nEnemyIndex = j + 1;4 i ~! t% e/ u |, I% V
- RTS ;break;7 ?+ [- I$ H1 W+ V
% _. r2 x: y5 h( H% L- Bullet_Track_Enemy_Check_Continue:& T& l$ v1 z1 @, o/ U5 O. p# q
- LDX Loop_Index_J
, Q% G1 f8 r/ ^: u# b# ?9 M - INX ;j++
# Y* _0 M! a2 P8 n" y1 _* B m - CPX Enemy_Index_End3 g5 @$ l4 o: i+ J7 w
- BEQ Bullet_Track_Enemy_Check! h5 Y. J& y& i- Q+ b
- BCC Bullet_Track_Enemy_Check* u, n) X0 I: d; v6 f0 i- t; D
- Bullet_Track_Enemy_End:
8 k H; E0 V! q- j) v* i% M5 |6 P - RTS: }2 E( v4 W+ `; {4 O% b" F
" o R+ n, }1 n5 L4 x0 H$ r- Track_Enemy:6 r( ~/ c7 v4 }7 J
- LDX #$0F) k: p" B3 A \" Q8 l
- Track_Enemy_Begin:! Y$ w: ?- A5 a, f$ |) t$ O
- LDA Bullet_Icon,X% r# F4 b, J, A) ^3 n
- BEQ Track_Enemy_Continue& |: |" A+ C* }- d
- LDA Bullet_State,X
7 L; Q0 D) t( Q7 d* d5 w- q - CMP #$01
# d% D3 b" {% X - BNE Track_Enemy_Continue, R1 I+ W' y2 Y( r2 X7 }
-
$ u) Z7 I- u: I, r0 a2 d7 t) p9 g4 x - JSR Track_Enemy_Process
* f& X1 ~/ K* w& K1 b$ C - ' Q7 L3 ^$ _2 U
- Track_Enemy_Continue:( I: e# `1 {5 O5 j: E6 |, U8 U- C& [8 Z
- DEX
7 j( g, @$ e- }, `: t8 Z) {1 d - BPL Track_Enemy_Begin" q; b9 {7 c3 r) X5 c M
- RTS
+ K# o1 V$ h7 m f7 p( Z - * b1 M- }3 P4 n# K/ i; V
- ;普通关卡9 D) r4 Q& Z, C
- Track_Enemy_Process:1 U- O5 J/ v( R8 c f
- LDA Track_Enemy_Index,X7 P5 k( i% ^" a: l% |" J8 b$ n
- CMP Enemy_Index
& p1 x+ ~" S4 l8 }( Z c: x$ R - BNE Track_Enemy_End
4 L$ y) p/ P$ P5 { - LDY Enemy_Index
( i. N% z, W9 X/ U - JSR Track_Enemy_Y7 f o8 b9 V" d: g: t: x9 ]7 W6 d
- LDY Enemy_Index$ h) W( T' t* G# n+ Y+ j' Z
- JSR Track_Enemy_X5 d/ U: h o! I
- Track_Enemy_End:
- G. Z, r7 c$ [; J2 p# G$ ] - RTS
. g$ r6 L. X& D3 N5 D0 s4 f - , ]3 M+ }" ~9 w* u) T( A
- Track_Enemy_Y:9 {8 U% p! q% {: P. H6 G- n+ x
- SEC
7 L, \( g0 g, `% e - LDA Bullet_Y_Pos,X9 ~ f, L+ H7 ?* s3 F
- SBC Enemy_Y_Pos,Y& I. J/ l$ `. x( _
- BEQ Track_Enemy_Y_Equal& T- V% T8 v" G* J3 s7 E9 A& M2 ~
- BCS Track_Enemy_Y_Greater4 B6 e4 E2 C* A3 T3 [( Z6 G
-
: E' y4 V9 d0 K& [: J8 h6 Y - Track_Enemy_Y_Less: ;子弹Y < 敌人Y F& E( R' ]+ e/ p0 G# a! T
- CMP #$FC: i! t* N5 Z& U; `0 S
- BCC L1_1( K8 a# l1 X* C" j0 n& q: Y
- CMP #$FE
6 S% s9 b7 O# c/ i6 d# Q5 s - BCC L1_2
; g8 b# I) I, V+ F - LDA #$00$ H, b7 O5 t, M) F
- STA Bullet_Y_Speed,X
0 u' a$ C. ?2 {7 r8 n - RTS
! a, ~& n6 o- T+ \/ ^ - L1_1:
# e; R% D+ Y3 ]6 l - LDA Bullet_Type,X
- _1 @# }: c4 B2 U, A - AND #$0F1 Q+ ?1 H2 l# T& ^+ h) l/ `
- TAY$ w8 c0 l+ C* E. r+ \
- LDA Bullet_Speed_Data,Y
7 j, k- F3 s; s% C - STA Bullet_Y_Speed,X
3 L" Q5 @7 ~) e3 `5 S% j0 p, U - RTS
. q. _4 r& @+ N% M' c" p& y+ I
7 K" f! {. l. O6 I/ {+ f- L1_2:
5 }5 o7 d+ A% F. s7 a - STA Data_buffer: @& z5 `4 R4 b
- LDA #$00) ~& _# v9 g: Y. @+ p8 j# G
- STA Data_buffer
0 x" i9 B( @) u: T# s - LSR
0 X8 C, | }; c9 | - STA Bullet_Y_Speed,X8 L# G, o1 [- n2 G; R. n
- RTS" m: Q" Q, E+ k9 `0 ?
- : W& y& u7 w! S* R
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y5 B* S& [# y- u# M0 z
- CMP #$04" m* B7 ^4 [) f+ L* L
- BCS L2_1
( v' q+ j/ }3 O- ~- Q; d! w - CMP #$04
3 a( d' d; a7 w/ U - BCS L2_2
& R4 O: Q& H6 X$ ~. J$ i5 E - LDA #$00# G0 L. X1 G! z2 p: _% C+ ]
- STA Bullet_Y_Speed,X) C0 ?' b% H! Z$ y: K2 b, r& Q
- RTS
9 a: j4 T7 l6 \4 J5 S/ G - # f* U6 C7 p* c
- L2_1:
8 o( {0 R- ?* V5 R3 z, t4 [, } - LDA Bullet_Type,X
- x) o9 H% f9 v3 R) n" D - AND #$0F
3 ^ m; t& E- d3 | \5 H - TAY
" F8 C/ W& s/ p% Z - LDA #$00
- S1 W, s& g9 A. i - SBC Bullet_Speed_Data,Y7 M1 H& ^( Z' A4 u
- STA Bullet_Y_Speed,X1 K8 r! I. w* k3 A$ H
- RTS
( Z& F5 ]3 ^1 N3 G8 F - 0 `6 P6 n* U% G6 p- V- s
- L2_2:
2 {& j# t5 M" l; C0 ?$ \7 z - LSR7 P6 M# \: A5 C* ?2 x1 B( \5 e$ n
- STA Data_buffer3 K+ d7 f! @- T8 I- B
- LDA #$00/ q$ H$ j7 N3 `, g+ [, G
- SBC Data_buffer
* G0 V& H! }6 S' I( k, a0 P* T - STA Bullet_Y_Speed,X
, J- v, ]8 o( a+ b, q( |/ J - RTS
% S% p( S$ C X% B -
6 c- F4 W- y: ^3 ]) i - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y5 U5 H6 j u. k9 h: R. U- U
- LDA #$00
1 h8 v! [7 s$ K9 K6 X4 A; d - STA Bullet_Y_Speed,X2 t4 x. c7 k. G, X4 i, r; s
- RTS6 w/ \+ L* Z' y1 f$ G2 i# O
- 0 F1 @1 p2 H9 O/ X" c( G% {
- Track_Enemy_X:
8 M* i: T& i, B' i. R - SEC2 j$ w$ q& f/ |5 D
- LDA Bullet_X_Pos,X2 [- A. g/ K4 @6 `/ l: p% e# L
- SBC Enemy_X_Pos,Y! j/ A! Q3 W2 _% B- t+ E! t
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X8 [# S, _; U( ^; D+ u' N* E
- BCS Track_Enemy_X_Greater ;子弹在敌人下方7 k( }. X: |) U8 D9 T$ R
-
6 F: ?& h( P1 R D. i5 i( @ - Track_Enemy_X_Less: ;子弹X < 敌人X
1 i. v8 V, ]0 V' Q3 l) t - CMP #$FC0 J4 w+ p9 b- ~+ F \
- BCC L3_1" e+ i8 d V! {) z% \% q, J+ T
- CMP #$FE) _- d5 G1 c" q
- BCC L3_2- A1 w9 q8 y- P
- LDA #$00" B7 v4 ^' j$ L
- STA Bullet_X_Speed,X
! v% D: T$ V; X8 m* E/ ? - RTS1 C% e# k0 @! f( t( S7 P1 V
- L3_1:
& w. v( c( A0 m0 ]% I$ _ - LDA Bullet_Type,X
; Q2 L+ r c$ n8 z - AND #$0F- Q- c X9 T3 q+ `& h
- TAY7 W% N# s5 o6 e
- LDA Bullet_Speed_Data,Y) x$ f0 Q k5 X" w4 x$ @
- STA Bullet_X_Speed,X
1 M) n: b- w# O: I/ R - RTS2 x/ o3 a1 _1 z3 I
- L3_2: 4 t! y+ j) P( \! N, N
- STA Data_buffer# u, B" c" v2 E' W+ u
- LDA #$00) Z. h& @. ]% D7 @ i
- STA Data_buffer1 s+ N! v0 e! S/ D( j
- LSR
; a4 q/ z$ O5 }! b2 b0 B: ^ o - STA Bullet_X_Speed,X* s' _" ]7 j. j: x j m
- RTS
6 Z% n0 t; I7 M* X4 O -
% z4 y1 M$ M$ z - Track_Enemy_X_Greater: ;子弹X > 敌人X# s0 X; L; }/ w
- CMP #$043 v8 e4 m8 L+ G* l0 ^9 N+ J
- BCS L4_1( [3 {4 M3 k9 U+ l8 o+ d
- CMP #$02
$ _' v, {( v$ x6 B% T' ^ - BCS L4_2 L. F2 m) C& w; I7 }3 F
- LDA #$00' X4 L) H0 a9 v2 J% k5 S- y- g- W
- STA Bullet_X_Speed,X
; V; Z( f' |$ }3 P - RTS
+ Q0 c' X( d* H# P' \' K" B$ q -
! I8 x9 L8 U0 N$ I - L4_1:
9 Z/ ?. G# y/ h5 @( U1 g$ { K - LDA Bullet_Type,X0 S2 Z; w3 t. p8 e2 }# }
- AND #$0F
- k' Q* ~0 Q" ]! I+ n - TAY! c9 d4 p; r- s) _; a
- LDA #$000 ]% d7 N7 v& q) H6 ~0 _5 k
- SBC Bullet_Speed_Data,Y3 [1 s7 O4 Z! y6 W9 V2 C h& ]
- STA Bullet_X_Speed,X1 d+ G }/ q0 S$ u
- RTS8 s2 V4 p/ \6 i/ w' O7 _
- L4_2: 2 r) I B/ v/ X* F7 x
- LSR
: V) q7 v. Q. O1 E% w6 J - STA Data_buffer6 H- N# T; O. ?% F
- LDA #$00/ Q6 F: n. T; P1 C% ~6 \* _
- SBC Data_buffer0 x- B0 F7 T0 m, o. p4 G
- STA Bullet_X_Speed,X
6 h& ~4 A7 V4 E( j, N - RTS
$ B( d0 I' E! R -
* o6 L" q/ h4 W) ?4 x& O- B - Track_Enemy_X_Equal: ;子弹X == 敌人X
& z8 z0 e, I5 G - LDA #$00
/ D8 N3 o5 u* ^# o, e+ j, j - STA Bullet_X_Speed,X* a, x3 O3 l7 A/ E( x% W
- RTS( l" b+ B3 F/ R H: a
-
2 \6 @0 L6 T; m( I! a - Bullet_Speed_Data:6 L7 j$ y- w |5 n$ D3 {1 X
- .DB $00,$03,$03,$02,$03,$03
( K" _& R, `9 ^- ` -
0 n" g) M a& L5 Q1 C - ;2, 4关" {7 E* G( O$ ?5 V+ p
- Track_Enemy_Ex:
. Z+ A+ f- {* b+ x - LDX #$0F S: ~) a# A& ]3 V
- Track_Enemy_Ex_Begin:
: h9 T$ ?: x" H- D8 O, H
. s9 u: w0 V) d! s- LDA Bullet_State,X
$ B% y9 D/ c8 E4 B, m! ] - CMP #$01
0 X' P* r( I, a# ` g6 ~ - BNE Track_Enemy_Ex_Continue# k3 G, o# L0 Y1 N2 t& o
- ' I: q8 R- z! W1 g% G$ w
- LDA Track_Enemy_Index,X
+ m8 @/ h+ X- L- z0 t% k - CMP Enemy_Index% W# O2 a5 J; L7 @5 l+ V9 N0 j
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标6 }7 J r2 k& e
- ) d0 S; n. r' e; h
- LDY Enemy_Index* ?2 B! J4 P( y/ C5 o" Z5 C4 Z
- JSR Track_Enemy_Ex_X- I6 I* S, l8 n* s2 E
- ) t" `; r# V% c R
- Track_Enemy_Ex_Continue:' Z3 S `# h0 `' y8 K2 o8 f
- DEX
3 x- t# W) U; _0 d5 T! M% Y# A - BPL Track_Enemy_Ex_Begin. W; z- J7 @8 V- S; ?
- Track_Enemy_Ex_End:
. w0 M/ Y0 p" F2 ^4 ? y. K4 G - RTS
% q- _8 q+ F0 E, {7 ^- { -
8 J2 @$ q# i1 N* P - Track_Enemy_Ex_X:
% a7 z% `2 g5 K0 F - ;LDA Bullet_Z_Pos,X; P1 ]4 m- R2 l% l" `5 O( M: W( T
- ;CMP #$04( X" R, U# l m- s8 J" {
- ;BCC Track_Enemy_Ex_X_End: h! F, z* e9 a. N$ }
- SEC
2 R; u! L9 t. E* r2 e - LDA Bullet_X_Pos,X. }/ C2 Q4 }) g
- SBC Enemy_X_Pos,Y" Z% Q6 A) u; u0 I$ c+ a
- BCS Track_Enemy_Ex_X_Greater0 t G5 {0 Z+ f; m/ ]
- A6 E4 f1 U* j2 P; ?2 @
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
d! X/ B) D2 M& L - CMP #$FD+ z& Y7 ^: B( D L4 ?3 p
- BCS Track_Enemy_Ex_X_Less_End' y1 Q2 i& y9 C8 g1 P* ?
- LDA $6020,X
7 T; u0 [' c( D - CMP #$2A
+ {5 i- T, ^6 x7 H+ D - BEQ Track_Enemy_Ex_X_Less_L1
8 l, u3 Q2 `) u - LDA Bullet_Z_Pos,X8 P$ _5 i! S8 g+ O4 u3 ~2 a
- LSR& k9 }, V) G2 S: N1 f
- TAY
) e: I5 r4 [) }0 D) D - LDA Bullet_Speed_Data_Ex_R,Y' U6 n) `& n3 M3 q! V
- STA Bullet_X_Speed,X
3 Y) @8 }4 O! F0 s0 B# J - RTS6 q4 t! k4 \8 x- \* Q8 @! ?
- Track_Enemy_Ex_X_Less_L1:
( S, N' p! n- y8 n - ( j9 T: Z$ ~+ o1 a
- LDA Bullet_Z_Pos,X
* l% h7 n# w2 n) L R! j - LSR d. c4 |: W7 n D" T: a9 a6 D
- LSR# N: M# X! o+ j: Z; c! L/ y
- TAY% s% c2 z+ t1 ~
- LDA Bullet_Speed_Data_Ex,Y
1 p2 j2 e& P9 ^/ d0 c- X, { - STA Bullet_X_Speed,X
: h5 X; q" F+ a( T5 d" z! ?1 s - RTS
4 J# O0 M/ e1 Z, I9 _ - & P1 m& [! `, g9 D! C
- Track_Enemy_Ex_X_Less_End:" [( y# M, f. G, b0 r! z7 S9 E: Q
- RTS
1 F. u* J, }4 j6 Z' d. W1 Z - ! F8 K- ]8 b3 v1 `
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
, Y2 L2 Y9 g0 y0 s8 O! a% Z, E7 E - CMP #$03
\% {- Y9 Q- `# | - BCC Track_Enemy_Ex_X_End
& ?+ |& u) R1 B* ^/ E8 m - LDA $6020,X7 ?0 ~! c9 I3 j* u8 w$ b$ ~
- CMP #$2A
' \# V; V: `4 r- t - BEQ Track_Enemy_Ex_X_Greater_L19 i0 z6 i6 c0 ] u* ?5 N! s
- LDA Bullet_Z_Pos,X
8 m2 N. G6 o; ?: P/ c5 k1 } - LSR
$ o4 X% N9 b. J/ x8 d - TAY7 Z& \: C w- s
- LDA #$00( H3 ^% y# N) R6 h! }9 h
- SEC
. N2 H9 N7 Q2 ~/ M9 _9 C" W: l+ u - SBC Bullet_Speed_Data_Ex_R,Y
4 D& e/ ^' f7 T2 ?, S" {" a - STA Bullet_X_Speed,X
6 T3 F; S/ E1 t0 H+ V9 i% ] j; \, w - RTS5 m3 X6 A# A: [ L- t. Q
-
/ z6 x) o3 w5 q% c& @4 L - Track_Enemy_Ex_X_Greater_L19 A3 \) b$ w4 r/ ~
- LDA Bullet_Z_Pos,X
9 _2 a* H, F' C7 f9 s" o/ m7 w) h. R - LSR* r" V u) z' i6 K
- LSR
4 z' i8 N4 C: {& |, l' s - TAY
, D1 R2 X8 y+ r5 Q1 W9 E - LDA #$00
7 U2 `5 N5 y7 D& A - SEC
9 }3 ^# @" w' i& l7 y, T! t - SBC Bullet_Speed_Data_Ex,Y
+ ^! o* Z9 d* Y- R9 c - STA Bullet_X_Speed,X+ V& m8 R+ w# r8 S$ L
- RTS- k( [1 y" X6 }8 {
- 2 ~" t* i$ Q* K( c: {; {% N8 R
- Track_Enemy_Ex_X_End:4 V/ b- R6 \4 Q4 d) }# i4 I8 b
- RTS
' `; a0 r8 Q- T/ g- G F7 P) n( j - & H: E8 s; A4 G4 y; S
- ;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)+ J- @6 x- H+ i) C
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上9 X* g; ]# t, r; x1 `# p
- Bullet_Tract_Direction:
5 Q( U% y; u! Q7 i1 s5 x' J9 Y2 y9 U - LDA Bullet_Icon,X
( w* p! a; Y7 I8 V$ Y! Q - CMP #$23. _, F7 j$ ?, q, L; E; U
- BCC Bullet_Tract_Direction_End
2 U# I5 e5 X/ S0 F& T- `8 `+ ] -
& V& }( p, o8 ^& D* F - ; X != 0( S2 Y+ `$ ^: }: l. S, J
- LDA Bullet_X_Speed,X
9 s$ n9 b$ h! u - BEQ Bullet_Direction_V
k/ T+ p- K5 o! z. C1 a1 ^ - * w# V+ D$ H) T0 ^
- LDA Bullet_Y_Speed,X
' t; K) \8 F5 h( O* R6 h - BEQ Bullet_Direction_H
6 c0 F5 v& |3 L2 s - ; T) S: P, j. y5 L/ E+ I
- LDA Bullet_X_Speed,X
2 N' a9 U0 j2 z3 ~& e+ J - BPL Bullet_Tract_Direction_Right
3 y- T+ j. r% @ - Bullet_Tract_Direction_Left:7 ?2 [, c' l2 b$ _7 x
- LDA Bullet_Y_Speed,X9 M6 y) Q z; s2 W
- BMI Bullet_Direction_Left_Top
8 T' r( d6 z' b' j - BPL Bullet_Direction_Left_Down
q+ f8 M. u. [/ } Q2 H) r S4 _# c - Bullet_Tract_Direction_Right:
% V Z& k/ l' l7 k9 V/ U" ] - LDA Bullet_Y_Speed,X
8 W! r$ X2 `6 n% L( m - BMI Bullet_Direction_Right_Top$ [$ A8 M! G. W1 s2 }1 D
- BPL Bullet_Direction_Right_Down; X9 w+ i n9 o# M/ [
- Bullet_Tract_Direction_End:
$ D# n& S! w7 g7 A& A9 Q - RTS* K& D r- b1 ]( q. \+ b) G
- , A: k0 S3 L* D1 D$ a8 ?9 j5 b
- Bullet_Direction_Left_Top:
% H$ P* A0 _# h$ \7 Y7 E - LDA #$25
4 Z) U% u' [, B/ h& j( ~ - STA Bullet_Icon,X/ |% ^1 b- W0 y- w; h. o9 W
- LDA #$C0
. h x2 B" h) `0 f2 O: | - STA Bullet_Direction,X
' a }2 M" ]7 x; m- x7 h/ Q" {" J - RTS
9 M, X5 }3 e5 I9 K! ?$ R$ n2 {7 k
2 }6 b$ A) J+ P4 l; H- Bullet_Direction_Left_Down:# u! F+ C. O# O9 J4 M! v
- LDA #$25/ E$ F6 I5 t; @; A$ p0 X
- STA Bullet_Icon,X
! U' @5 Z) S$ z: @) s2 a% p5 }& ~ - LDA #$40
0 n1 i9 t; j+ @7 p1 _; l% S - STA Bullet_Direction,X
4 |' S9 e k3 e- l9 H1 I/ } - RTS
+ |3 j% ~& h* M4 T4 c& } - / N$ X, M) ~2 w+ K
- Bullet_Direction_Right_Top:/ C8 ~7 f8 H( [& [: \! Q' \2 E
- LDA #$25
U+ Q E0 _) z9 Y/ P0 d9 i; B - STA Bullet_Icon,X- A5 y8 a+ |! V% ~) a X
- LDA #$80
: M1 Y7 G p' Q [3 J - STA Bullet_Direction,X
4 I& S" E5 G$ L b3 y% A, C/ { - RTS5 \9 a8 Q" b4 a2 L. _2 z! a
) w: t; s0 V# d* W$ M- Bullet_Direction_Right_Down:
% I O- ?; @' ~1 s" _$ V - LDA #$25
. R- y: ]; c& h. r- u - STA Bullet_Icon,X9 `+ V* \0 n( a; _
- LDA #$00$ k- j- p! [* r$ c _$ R
- STA Bullet_Direction,X
3 a- C& }. n0 d; y - RTS
& X; k( `% J2 Z1 A
h, M. c7 v9 ?: Z' x0 ]8 l- Bullet_Direction_H:
* X3 S* D3 p' o6 L D% p- P; ]) @ - LDA #$24$ C. R: }) ^6 B! k- l
- STA Bullet_Icon,X7 X0 ]4 m1 H1 A; v
- LDA #$00
6 {1 k' Q0 d |) ~ - STA Bullet_Direction,X* H* E: P4 v7 `. P5 P
- RTS" x0 _3 O& A' O3 i
- 4 l) b1 \* Z/ t4 N' d; o7 O5 v
- Bullet_Direction_V:
- `: x6 X; g1 L* d8 r% E - LDA #$23
# j; a: y6 l) N$ t - STA Bullet_Icon,X- s+ m" [9 j- Z' Y2 f" ^/ e
- LDA #$00# g" h R: T! {0 u2 _
- STA Bullet_Direction,X. {5 z# A, T: b. t2 [7 q
- RTS
: @6 t- i! r& V0 e- G$ H
" ^7 a& r+ O# e" s9 O- Bullet_Speed_Data_Ex:! A1 M. O" M' [ v% z4 X0 _; x
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$040 {1 H. \/ c: O( ]
- 0 a9 C+ y) d% [0 P E- r" H
- Bullet_Speed_Data_Ex_R:
% ?5 k' k2 w- v - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
; k0 e5 c( r; I5 b5 z% c" E -
复制代码 1 X% T$ n; d- E4 g: K
! V2 y# J% y( N6 U+ J
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