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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
1 X, t5 r! O9 V4 ~. q5 q% G作者:FlameCyclone
/ X2 Z1 Z1 c1 e0 I* o" y6 F$ r内容:% v+ T! Z4 Q5 G8 D
1. 所有子弹追踪敌人- z" f0 \+ j w6 @4 |- P
2. 选择键切换武器
% U8 ^6 m: y. c F/ x) ^; ?& W$ 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
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flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
1 W! |' K: M# _ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L7 R2 Z4 S/ R( t. G2 H6 k0 f, j4 n
- 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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2 b0 _- y! u% y7 o' V, M- ;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 o# B! q1 O# e5 ~ - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
" [: d! {! s& R6 J
; W/ G+ C+ ?9 F- [- Track_Enemy_Index = $6000
. D: S6 Q* B0 F - Enemy_Index_Begin = $6010
; l4 ~% A/ Z2 \* l0 q, h3 | - Enemy_Index_End = $6011$ W3 d1 ]$ p+ x5 d* h
- % }" Z! O+ g& O: X7 C, i; {
- Loop_Index_I = $6012
1 \" a0 }: z' e! `7 C - Loop_Index_J = $6013
5 u7 S, b1 K# ^4 q+ c- v - nEnemyIndex = $60142 `$ F7 M i: Z& F9 h
- Data_buffer = $60153 Z( g% q$ b$ J, j3 V6 i9 P
- }, J; I0 f0 b
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
+ a3 W+ W) I& c$ {7 _ - Bullet_X_Pos = $03C8 ;子弹水平坐标1 |3 u, p6 g% k' ~; k8 n7 C
- Bullet_Y_Speed = $03F8 ;子弹垂直速度: Y$ U" w6 M0 t
- Bullet_X_Speed = $0408 ;子弹水平速度
3 k/ B2 L- }$ M) p - Bullet_Z_Pos = $0418 ;子弹Z坐标
* W" F$ R; p% N* u b! H O4 D - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
+ R/ W ^/ s$ G1 s# e
, Q; x. p' S3 d- 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
. H, |- A0 q8 S. f6 O - Enemy_Blood = $0598 ;敌人血量* F& ]9 B* B, ^( b* C
- Enemy_Type_Addr = $0528 ;敌人类型
/ b3 S/ v8 ?, S* d8 T( K n - Enemy_Blood_Addr = $0578 ;敌人血量2 G5 Z0 i9 Z8 }5 N6 ~6 `
- Enemy_Y_Pos = $0324 ;敌人垂直坐标0 o& c# x7 z7 N; D/ {
- Enemy_X_Pos = $033E ;敌人水平坐标
4 F$ D$ Y" {1 e5 T5 c2 E - Enemy_Y_Speed = $04E8 ;敌人垂直速度
" N+ K6 A4 \7 {: @ - 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 i1 B7 i1 k) J; d: s
- . w% c; P. E0 Q9 B% U6 w* h1 G
- Enemy_Index = $83 ;' m4 C( _4 a! l1 f- @" E, Y* A
- Time_Count = $1A
* |0 o' E9 h: W; _7 L* ? - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
* ^* _1 s6 q, D4 l; L" O' M - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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' g9 p- e/ M- {* b ^2 q$ B& t- K- .ORG $6100+ |- X: F Z5 V7 M& E b
- Process_Begin:$ C w5 ^( a0 h
- JSR Enemy_Check( [, L5 b8 L6 A7 y
- JSR Track_Enemy_Check5 T* Q0 D' O# }$ J
- Process_End:
) j8 }- W0 G( u/ b4 [9 F: D6 W - JMP $E54F4 `# u2 b/ b) E& s$ r; E1 D
- 1 ]7 Y. n) D3 }$ y
- Enemy_Check:
m! z) S4 J7 C. Y) d( p - LDA Time_Count) _) x* b$ m. C2 |3 S W D
- AND #Track_Bullet_Speed
* ]4 s7 M4 |: ]3 Y3 s" f0 t - CMP #Track_Bullet_Speed1 e% K' s. r# U& |
- BNE Enemy_Check_End
4 S/ w+ j, D" N2 b0 M% j - LDX #$0F
6 B9 o2 C7 O' I- ` D& w - Enemy_Check_Begin:
! L J7 h) [) v, n, ? - LDA Enemy_State,X* [, ~8 ]$ }9 U7 ]$ T% @2 A
- BEQ Enemy_Check_Continue$ I s/ c4 }* }7 t7 G# l. w5 g
- STX Enemy_Index
4 s1 |/ {: h/ G4 ]! d! ?" c - JSR Find_Begin_Enemy" y5 ]. A3 o- n+ Y# f5 x9 ]
- JSR Find_End_Enemy$ Y# G5 {: q9 ^8 G+ H* z
- JSR Bullet_Track
2 `& F {7 c! d% T: a4 c -
+ f7 c" e; z! `0 N) @ - LDX Enemy_Index
) u0 p2 E" u- Z: W4 n m. J+ a - Enemy_Check_Continue:1 i% W0 S: X: F( h
- DEX4 U2 ?9 T: g2 ^: j# U9 z
- BPL Enemy_Check_Begin
0 w6 R E6 K' m - Enemy_Check_End:
+ z2 @+ |! n U4 x$ K d7 G - RTS6 ~9 N; G- M/ R+ w$ N- z
-
6 k$ @ W- a+ s - Track_Enemy_Check:5 ] W4 s& Y- f0 r2 \9 N2 n! S- Y( _/ Q
- LDA Time_Count9 @) S+ I- p8 ^* b* C
- AND #Track_Enemy_Speed* L4 w3 R1 m/ L, o& J3 w* B0 g
- CMP #Track_Enemy_Speed8 B6 U( e1 ~. A4 M
- BNE Track_Enemy_Check_End& N; ~: z; f4 K# F0 `
- LDX #$0F& v. z$ M3 V$ h5 C
- Track_Enemy_Check_Begin:
- E7 t3 G* L- P- `! _3 A - LDA Enemy_State,X# [/ b3 Y' @5 g: K( p
- BEQ Track_Enemy_Check_Continue
9 q3 E$ t4 {! {1 }/ y! z4 | - STX Enemy_Index; ]' m. o8 R7 K4 N
-
1 d' _+ j) z5 J; g) T - LDA $40
4 t. H" B$ K1 A, [4 m8 P0 a1 W - LSR6 C7 S0 c7 H( t* s
- BCC Track_Enemy_Check_Begin_L1. h9 S7 O! a, j$ [& \. v
- 8 a/ i) Z9 ~' |$ L/ g4 N
- JSR Track_Enemy_Ex ;2, 4) Z' P; B7 j( t# j
- LDA #$00$ k/ o) S( o, V* A; n1 J5 s
- BEQ Track_Enemy_Check_Begin_L2* p4 }: Q$ C$ g2 O" |" W- M: A. F1 o
- + G8 x) r+ U4 i# `9 @ s3 D
- Track_Enemy_Check_Begin_L1:3 K8 u6 m9 x! A+ g! O& Y
- - z8 a! ?* ^4 y* f/ j
- JSR Track_Enemy# k2 q8 {* r' W& O2 ~( x
- " B# U/ u/ c. T9 u' b6 L0 y
- Track_Enemy_Check_Begin_L2:! t/ E4 A H/ D% N) W8 F+ c. x
-
K( w7 s: l4 Z' M4 Z' I$ [" @ t - LDX Enemy_Index. ?: I5 x5 @6 x
- Track_Enemy_Check_Continue:, c$ ~% r$ N1 S& c3 G) t
- DEX2 I# q4 [: u$ u( O( ]7 I0 S" e/ K0 ^
- BPL Track_Enemy_Check_Begin& s) v* S+ i4 D2 W" \
- Track_Enemy_Check_End:
/ B' f9 @4 r- O0 p W& X: G - RTS$ G |, K4 v0 ~5 Z7 q5 S7 _
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! l/ O0 y, F' _$ G3 C- ;查找第一个敌人
$ U/ T- I8 B' U$ X4 ?0 L0 |# R) E6 Q - Find_Begin_Enemy:
9 x+ I$ h5 d: H5 U& c" ?1 V - LDX #$00' {9 K, A/ m# e; T c$ L
- Find_Begin_Enemy_Check:
- J/ D. E. r3 c2 f" N - LDA Enemy_State,X
2 O1 Z: j% G6 E - BEQ Find_Begin_Enemy_Check_Continue7 {/ H |: b. c4 r8 Z9 S
- LDA Enemy_Blood,X
9 j, Y" F+ @5 S" A; Q - BMI Find_Begin_Enemy_Check_Continue
9 }+ _7 G+ l& ^9 q+ h - BNE Find_Begin_Enemy_End" Q7 O$ S. g4 L
- & U& ^& f! Q& ~6 H' h) k) @
- Find_Begin_Enemy_Check_Continue:
" D% K) c8 \% w: l& s1 C - INX1 x% K& w% B3 E% c7 t2 R' |; L
- CPX #$10: V# I) s" @/ C8 m3 \
- BCC Find_Begin_Enemy_Check
1 v" F* H' {4 p) | - Find_Begin_Enemy_End:
- h8 ]! h5 Z" L- P. y - STX Enemy_Index_Begin
0 y9 K" c& t/ c/ j0 g" u/ i - RTS
- D7 c* b0 |) Y! b- D. I0 Z - : G& x" d7 P, g i# ]$ q
- ;查找最后一个敌人
; b- |% g3 r Z - Find_End_Enemy:
u5 u& R; K- E8 U5 z0 N - LDX #$0F" ^( M' t* t6 f* J# p
- Find_End_Enemy_Check:
* M! |# ]* c9 L+ Z# i8 h3 G - LDA Enemy_State,X. B1 m/ f$ U# n1 }0 W' R4 O
- BEQ Find_End_Enemy_Check_Continue
( ^, F. F0 q2 X8 S3 c - LDA Enemy_Blood,X5 U% C# @/ H% ]- ^1 E" g8 F
- BMI Find_End_Enemy_Check_Continue
6 h+ G3 @5 {7 L) t - BNE Find_End_Enemy_End
, [$ Q* R c- T# r+ o, ~& Y -
( h- c5 S6 H/ ?" f - Find_End_Enemy_Check_Continue:3 q1 m0 r/ y% X8 Z! `3 y
- DEX# B t- r) ^% u. r" `+ T
- BPL Find_End_Enemy_Check
: l! i" s- q* m/ b- [ h - Find_End_Enemy_End:
" l. I% H( M& S$ b# ?* u. x$ M - STX Enemy_Index_End
6 g* ~$ k6 i' j& e2 W - RTS! p9 T. V4 h- @4 I; m0 x5 d& _
: `( v, r7 g: j5 `0 i- ;子弹追踪
% x; H3 A$ ]2 X' g$ V, H5 U - Bullet_Track:
' r- q" W m$ K - LDA Enemy_Index_Begin
: R, Y, w, V5 G; ?$ ? - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;" r7 V* R/ P2 }/ A
- LDX #$00 ! {4 O) V6 O" U6 b1 W& V6 s
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)) y8 ?5 ]+ g4 L( J7 j3 K
- LDA Bullet_State,X" ^( \9 Y/ h" y- J
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
5 G( v( W5 A, r - STX Loop_Index_I$ I: i2 S0 q" j
- 6 y) t: R6 b& Y3 x4 l/ {' C
- JSR Bullet_Track_Enemy) M- r- |8 E0 Y/ u4 ?2 W5 `
- JSR Bullet_Tract_Direction! u9 G6 R+ L; Z, X y) w1 x
-
% V/ z1 V5 a) L3 { - ;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
; B; h' D/ m& R - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;, n+ B8 z5 M5 a
- LDA nEnemyIndex
. d; o. Q9 x# s0 a/ {8 C- \ - CMP Enemy_Index_End" k4 \3 a: X' ^# ^
- BEQ Bullet_Track_Check_Continue2 j7 K) n4 |4 H" ~0 l0 b a, r, x
- BCC Bullet_Track_Check_Continue; B8 m9 S: C c& w
- LDA Enemy_Index_Begin% M5 N# L( J$ P9 Y- |! m
- STA nEnemyIndex, V8 X3 K5 s( _: t7 P
- 6 F/ ]- @4 v$ ~
- Bullet_Track_Check_Continue:
2 b0 [) r8 o8 y; o# r% O - LDX Loop_Index_I6 K* V0 w( C s5 `$ |2 G9 F
- Bullet_Track_Check_End:
" y' b, G. K% G$ J7 ]( ^1 { - INX' M2 L' y, u$ k0 Q0 P3 I! T6 L
- CPX #$10& q/ z2 R" `) d
- BCC Bullet_Track_Check4 K8 z; K+ C2 f
- Bullet_Track_End:
1 {6 x& U$ s+ B1 p - RTS+ H1 N' l" i- y+ l
- - r* t. |7 @9 d) A7 b
- ;给敌人分配子弹
/ @5 m5 `, I0 l% w/ M& O$ m - Bullet_Track_Enemy:
5 t! I& f2 b) e7 P- p - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
, Y" ?6 t% r$ m0 O( h+ b& } - Bullet_Track_Enemy_Check:
$ W9 m4 E/ J5 C - STX Loop_Index_J
& u9 B& \9 Q! G5 S# n' N - ' m4 T/ A6 I! G D( q9 g
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
7 Q) ]9 P7 o8 R N7 @9 n - LDA Enemy_State,X0 p, c9 \) q: V p( V0 C9 S' w/ I
- BEQ Bullet_Track_Enemy_Check_Continue, B3 h+ e/ A3 X/ _' X2 J- T3 @9 p
- LDA Enemy_Blood,X* p3 X8 R5 H5 ]( y" X+ b! p- q
- BMI Bullet_Track_Enemy_Check_Continue
3 W- r% g5 E" c - ) m% y5 n0 I$ s7 i& }1 D
- LDX Loop_Index_I
4 C/ D( @) T+ [% J) Z - LDA Track_Enemy_Index,X0 ?/ f; ^6 [; p. t5 Z$ t9 P- L0 ?
- CMP #$FF
}* J; Z! y$ K/ S - BEQ Bullet_Track_Enemy_Init
) b. t' z# r" r4 y* E; y -
# d) u7 ?$ V! i' A4 V) J1 j* o- U - Bullet_Track_Enemy_Init:" d* _1 n# B8 V G6 X. T5 E7 ]! c
- LDA Loop_Index_J
+ S! S- N& y! H - STA Track_Enemy_Index,X ;nTrack[i] = j;5 g3 }! L# x; l
-
/ W1 S6 j% \( c5 w - STA nEnemyIndex
) M& s! G0 v) g" s( m - INC nEnemyIndex ;nEnemyIndex = j + 1;
$ L/ m5 q7 G9 c. Z+ y - RTS ;break;% L7 \5 R2 z+ {3 z j
- 5 L- x: {3 V N. N$ h
- Bullet_Track_Enemy_Check_Continue:2 S$ R: q/ n% {0 B) J. ~
- LDX Loop_Index_J6 v8 a1 R) @3 D' v' j+ a( l8 f
- INX ;j++
, ~" G) Q( C7 ^6 U1 _ - CPX Enemy_Index_End
]' w( t( x! a: h' g; j - BEQ Bullet_Track_Enemy_Check$ N7 o& O- Y5 h& k3 [/ V, n
- BCC Bullet_Track_Enemy_Check
% ]2 X* R; p; C# T, N5 f& ^1 p - Bullet_Track_Enemy_End:
4 r/ \5 i+ J# |/ n b: x. k - RTS
" K2 H' y, S: \ t' I# r2 b
" c9 @% g7 r, }' P V; S+ l0 u- Track_Enemy:
. X( D- @6 @" J/ g; j2 s/ O - LDX #$0F2 a) Z6 G: G9 ]' D% `) s
- Track_Enemy_Begin:+ [/ m7 K: Z) Q: Q" N' v
- LDA Bullet_Icon,X6 @8 \. \4 ?" Q/ y# u$ g( [
- BEQ Track_Enemy_Continue
2 T4 t x, l5 s9 j' j2 I8 C6 A4 S - LDA Bullet_State,X
- }8 w/ H9 k6 T" m" H0 V - CMP #$013 x! u* g) ]0 S9 j; i3 ?0 X9 v
- BNE Track_Enemy_Continue4 `# V% s" R. n2 b2 `
-
' q& r$ e& S* x- d- N P - JSR Track_Enemy_Process
; w! u8 @3 u- M2 a* U+ s! J- _ -
9 Q/ p* i& Y# C; V - Track_Enemy_Continue:/ [' c; D5 Z8 C4 \ G8 L. `6 |/ k
- DEX
0 b# o8 ^; i h) r4 ^2 w! g - BPL Track_Enemy_Begin
; C2 N# P/ B# ^ s2 `- K - RTS/ }3 p0 E% R' e
3 I. ]4 U7 h* `( v+ h: {$ A& M. E- ;普通关卡
6 Q# u7 J, m* X. c - Track_Enemy_Process:& \+ k2 e+ ]2 e0 E* [6 `* M
- LDA Track_Enemy_Index,X% D0 f) z8 O, U
- CMP Enemy_Index
\" s0 W$ M6 ?- ?5 S" T7 J - BNE Track_Enemy_End5 u1 L% x `, r1 X4 t. A' q
- LDY Enemy_Index7 ~, E8 l. G" X+ n/ q" S' z
- JSR Track_Enemy_Y
+ l7 Q0 |- K' O2 `% t1 K - LDY Enemy_Index, o1 V0 r/ M; ~& j) Y+ {
- JSR Track_Enemy_X5 k$ A& o d* @4 E( l: {
- Track_Enemy_End:
2 O! M$ Y) v5 B# K - RTS
7 k, Q: P1 W- w( T -
' C" y! T* {& ?; x - Track_Enemy_Y:$ z$ {4 ^; f1 \) h$ o0 T% b
- SEC: L+ h7 J$ q, \& l
- LDA Bullet_Y_Pos,X, X$ c, P3 h `: N# |2 t
- SBC Enemy_Y_Pos,Y" O* N4 ^7 U4 W/ t) O* g9 M; Z# T
- BEQ Track_Enemy_Y_Equal
+ ?) U# N, G" _$ E, { - BCS Track_Enemy_Y_Greater7 w' _+ Q- m$ }4 n1 _
-
R1 X' B; Q4 T: G$ `8 K3 K0 x8 D - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
+ Q0 z2 p n& r' p o6 r - CMP #$FC
! c! l; s/ D+ [8 |" Q7 G/ n - BCC L1_1
: j8 {8 o: g5 d! O - CMP #$FE
8 x( |4 C: L8 K - BCC L1_2
2 B( G6 Q- o2 Q5 S2 t4 R: s9 g0 ` _ - LDA #$00
. y. X: a4 A- w7 B3 N - STA Bullet_Y_Speed,X% ?3 S! @4 B2 }
- RTS
. z3 q+ I% [+ p `9 g9 x% _% m/ K! r - L1_1: ! M* J9 N' U+ x$ I
- LDA Bullet_Type,X
, j# c4 p( p j# B6 Y/ {2 } - AND #$0F P. C1 p1 K: r1 N5 s; Y
- TAY
" p( A5 {8 I- T+ M" u - LDA Bullet_Speed_Data,Y
) E3 K4 E; O- C# O u - STA Bullet_Y_Speed,X
3 s" |& h( O3 ?$ H% C - RTS
! T2 K2 H# q# v% Q1 k( C - 5 Q) G- H4 V8 ]+ ^
- L1_2: 7 o& V" N$ N. }. O# ~1 H J' c
- STA Data_buffer5 ?7 M9 x& m9 e$ t) i* u5 z
- LDA #$009 `3 d4 m6 p0 @; X3 x& e
- STA Data_buffer
* ?$ W7 ~; A& F& ~- I+ v8 u - LSR
4 s8 J3 H. N5 E* C8 i - STA Bullet_Y_Speed,X3 b% ^) |7 }" i( P
- RTS' m* r0 o8 f: ^
/ y2 m. V1 j1 y3 n2 o, V- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y+ E v+ [0 J' d% \2 j7 _$ B
- CMP #$044 M" z% R9 P2 U7 O3 [
- BCS L2_13 R" [$ ~9 B, s2 I4 @3 G% ^
- CMP #$04
5 `2 z+ r$ Y5 f6 g/ R$ d# U I - BCS L2_2# P) I3 \. P2 c6 z
- LDA #$00
' {- @: _! ?, G4 k* ^+ Q - STA Bullet_Y_Speed,X
2 r l4 A# J" C9 B. P' D - RTS
" w, Z' J x- F- a -
4 n( i$ Z* m b" d; [( r" W - L2_1:* o0 ^/ p: }' Q
- LDA Bullet_Type,X/ u+ Z6 j6 k7 { M9 G
- AND #$0F& ?0 X2 J, y4 u; V( [8 _
- TAY' g8 a% U* }/ L( V" r" K
- LDA #$00$ ~$ T, |: m3 d, [
- SBC Bullet_Speed_Data,Y8 _& I! n% |; @; U+ c# m
- STA Bullet_Y_Speed,X0 C- o* {& A+ V1 S9 C
- RTS0 K: Q* K# d* e
- " Y( W' @8 y- t/ Y0 D' ]" j |
- L2_2:
. @+ @' w% A c. S" U* e6 p - LSR, [) v8 L" U/ X* V
- STA Data_buffer
X. ]% ]( ~; N1 Y7 y2 P - LDA #$00! r" _% _- s- d* \7 Y7 r
- SBC Data_buffer
9 E4 L0 ?8 V) m* g! D$ j - STA Bullet_Y_Speed,X* a* I; J5 x% e! o* V" n R
- RTS" H% E4 s7 Y! t1 X
- : q- n6 M& X+ O+ S# u* Q: c
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 F" F* a* t3 I! m, `
- LDA #$00
4 G z: k) c& l: `, [+ t4 K: h - STA Bullet_Y_Speed,X# B7 T. k& ]& s: C$ P1 [5 w
- RTS; l2 v% S k/ b+ `0 @9 W2 l
-
2 `* K3 k8 s* X2 g8 f @$ x - Track_Enemy_X:
M9 c- T6 U, g$ O$ d& T - SEC+ i4 i; i+ J/ N% c6 e) G
- LDA Bullet_X_Pos,X
1 k% ~- C4 e! T! H9 A' z) F0 _ - SBC Enemy_X_Pos,Y2 z* k z* w2 E ]' O7 X2 C/ l: p
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X" ^6 d4 [, |" `2 f
- BCS Track_Enemy_X_Greater ;子弹在敌人下方8 e+ O/ l. H0 S% ?& y. _2 L- u
- 1 o K9 c: D2 E- H! m7 [+ R
- Track_Enemy_X_Less: ;子弹X < 敌人X) O) }- {+ B5 t
- CMP #$FC ?5 ]0 a! N9 `& d- m% h& H
- BCC L3_1
. i5 x5 g1 f/ }+ P& t* w, \ - CMP #$FE
+ F. t/ b5 g9 }$ y - BCC L3_2
+ f# C. t: F( t3 P& e* Y1 f; `" f - LDA #$005 D0 x8 g. i- ^, w8 G% q
- STA Bullet_X_Speed,X) P. A4 l2 }0 a5 l
- RTS* ~( f, c) O/ E- v
- L3_1: : Z R% z2 Q- O2 _% R' c5 Z
- LDA Bullet_Type,X
( f$ y4 G. U; ~7 _- i% ^( b - AND #$0F
, G4 Z' v' |5 s. G# _ - TAY
. E2 v- O, A+ j1 a8 H - LDA Bullet_Speed_Data,Y9 h) H. n4 g" E& F' V% ~
- STA Bullet_X_Speed,X
7 S1 y1 @1 D% q - RTS- h6 q7 p4 e4 C! b8 S7 H; Q
- L3_2: ) Q3 U7 F5 A& X
- STA Data_buffer
/ L! v1 _! d, i4 D$ D9 g+ Y4 {! Y - LDA #$00
+ S' y( x, Z9 q2 T; d, y$ L - STA Data_buffer
$ K0 T, A" S" f! X0 a8 X4 ]$ X - LSR% {" w1 d% R: a4 Z# ?1 a) n. x
- STA Bullet_X_Speed,X
7 Z0 W% u4 B: [# O - RTS! Q" F0 ~1 `3 }0 j2 r- y
- 3 m" M2 E4 _2 s# Y. V
- Track_Enemy_X_Greater: ;子弹X > 敌人X0 {. Z0 h+ [; h/ {" b9 [' @. ^
- CMP #$04: p' F9 T+ X: n1 P. n) G
- BCS L4_1/ ~; G- t* Y' [
- CMP #$02
& S0 W6 S, G8 E# R @ - BCS L4_26 V" p/ i/ e$ k
- LDA #$00
! S0 t0 p0 p1 W1 z - STA Bullet_X_Speed,X: G9 ^8 l: h3 Q. n0 |2 f
- RTS
* T( J; m9 Y" ] H -
) ^1 R. }4 `$ q4 K - L4_1:
2 f3 _7 A$ ]. q. T - LDA Bullet_Type,X7 T& W$ |! C, n3 N
- AND #$0F/ ~; T. ~3 \. H- c
- TAY7 {) |1 m" |& j0 @$ O$ y; K
- LDA #$00
1 \$ b! v. c$ J* q8 o) | Q - SBC Bullet_Speed_Data,Y; M, o, r6 t" y H
- STA Bullet_X_Speed,X( n8 D, c( I2 j2 Q% K* H
- RTS1 Y9 n- r0 [. D4 e9 u. g Q9 Q
- L4_2: , Z9 ~: @( i0 [, l, _3 p
- LSR7 Y6 k! r/ }4 z& \; z* l6 @
- STA Data_buffer$ K* p- d- x' D0 C
- LDA #$00; c6 s' f a `
- SBC Data_buffer
' z$ b! T* d6 G$ {( i) Y' D/ N - STA Bullet_X_Speed,X
: u* h' k$ _: L/ |+ o7 b3 p - RTS: q; x3 _* i- D1 b8 | ^
-
, a& d6 \- v. i& n" V& T8 ^! r) B0 l - Track_Enemy_X_Equal: ;子弹X == 敌人X/ g. n5 M1 H* u
- LDA #$00
5 s+ J. I/ M3 x# n! t - STA Bullet_X_Speed,X
% f3 D5 R4 X4 Y( O - RTS
4 q# L( n7 V. a& U, k - 1 ~ u* _- r! i+ P2 g
- Bullet_Speed_Data:4 P+ S6 h, `. ?9 }: h) B! b% s
- .DB $00,$03,$03,$02,$03,$03) I* u( D/ ?6 v: Q! x# F3 W
-
: U: ]. P8 ^; W& c - ;2, 4关5 w$ e# d) Z& a+ g% ^
- Track_Enemy_Ex:
K( w. F* F, O- N# M( p% e# b - LDX #$0F
! H/ x, ~0 }9 Z+ p% z( g( R - Track_Enemy_Ex_Begin:
?3 K" k7 V, U0 M7 \& U( w
/ r$ |0 a4 M3 G# w+ d- LDA Bullet_State,X1 [; T5 @4 j8 b3 _* I) t
- CMP #$01
) j0 T: c) I3 A. [% ^1 ^ - BNE Track_Enemy_Ex_Continue( G3 B/ @8 {: T1 G
- 1 j- w: \# w: e$ e
- LDA Track_Enemy_Index,X
. m% l" W8 h1 f0 C: J4 H - CMP Enemy_Index
% y4 a! Q. i3 W( z* g l, u - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
+ I2 ]+ K% a+ v2 x4 O -
7 T; ]* o# Q3 Z1 q* N/ L0 S - LDY Enemy_Index0 t+ Q0 r. D5 }) O% b# \0 n
- JSR Track_Enemy_Ex_X& s1 `, _$ d% I* \/ _
- 9 z( n- P% Y! Q7 L, v) i$ w
- Track_Enemy_Ex_Continue:
2 j4 M3 i0 t7 M9 | m; k - DEX
4 h+ {% `+ H6 g+ ~) l8 ^ - BPL Track_Enemy_Ex_Begin; o E# B; y: H
- Track_Enemy_Ex_End:. R# h/ B. {% W$ X: ?1 l
- RTS
( c* ]9 {; l. M) f9 J8 C7 | - 4 S' s; o. W+ o. R4 t: d
- Track_Enemy_Ex_X:
+ b( R0 _+ z" d& m) B - ;LDA Bullet_Z_Pos,X/ h; I1 ]* e# @
- ;CMP #$043 ~9 }/ V5 W' n+ {2 P3 H2 z( y
- ;BCC Track_Enemy_Ex_X_End
9 }0 I! M" p7 C) T - SEC2 O# P& ?! @6 Q z9 n( s9 h9 m. R
- LDA Bullet_X_Pos,X: n% y5 `$ H+ {8 v4 a+ C
- SBC Enemy_X_Pos,Y
3 f7 g. X: [+ p- \! z - BCS Track_Enemy_Ex_X_Greater+ j7 f( k6 M$ P3 g
-
6 C- f, U- V" I( s9 } - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
% @, s9 T" G+ \. P& o! {* @" b - CMP #$FD
9 \: P- r7 w+ b1 a0 B - BCS Track_Enemy_Ex_X_Less_End! h, I2 v. D7 L
- LDA $6020,X
; t' @- ]" n9 h% p7 Y3 j2 S) B. R5 _ - CMP #$2A
0 q9 o- k3 m5 \# m9 n1 [/ g - BEQ Track_Enemy_Ex_X_Less_L1
( m, D/ {7 g) a& x8 v/ w6 Q$ ? - LDA Bullet_Z_Pos,X+ h$ u7 c+ @7 j+ t
- LSR5 N+ R* h: e- \2 _) M+ h
- TAY
+ z# q8 j) L% U8 \) K q7 | - LDA Bullet_Speed_Data_Ex_R,Y) l4 [" e/ U! a% O. @& X, d& ~
- STA Bullet_X_Speed,X
0 r( f+ I! G% T* o/ X, m- v$ Y! o - RTS6 Q. R1 F- W' V6 d7 D8 E o! G
- Track_Enemy_Ex_X_Less_L1:
8 o- J0 |0 o9 ]+ Y$ T - ; }$ r. B+ Z7 X, ~, m1 l2 U
- LDA Bullet_Z_Pos,X0 y. K& ]2 j/ |0 Z A5 I" v9 K" e. N% W
- LSR
L8 a; P- | w' D - LSR
7 `% ?, g2 q. ?, _. K - TAY
6 [. w: `) J w) s - LDA Bullet_Speed_Data_Ex,Y: Q- }/ S0 B" z# k L
- STA Bullet_X_Speed,X2 K l5 u+ c! @; U) x+ j
- RTS2 c1 _7 a; R) s7 H
- ) Q, R1 @# ?6 s8 P% R8 A
- Track_Enemy_Ex_X_Less_End:8 d) |# C/ ]/ ~: t |: w2 j
- RTS
" _3 G& c: \/ O* c
* ` V, T1 }/ c8 U7 F( h- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X) r6 U" p2 \8 r
- CMP #$03& t2 t) j( c W% y: B1 \% ^
- BCC Track_Enemy_Ex_X_End) U5 v1 }3 R2 k1 W3 g, {5 B
- LDA $6020,X0 ^, `1 O& j: W M. \( P( Q
- CMP #$2A
( r% V( y- d/ _$ B/ v$ z - BEQ Track_Enemy_Ex_X_Greater_L1
& ~- b7 T) [* N8 ^. ^3 R8 H7 ]& Z - LDA Bullet_Z_Pos,X
- h5 E8 X) p6 H! Y - LSR
: ?# L( i7 G9 X6 e: J( ~ - TAY5 p3 k% }1 P/ l2 K; A
- LDA #$00- h+ _' h: ~% Y, {0 S8 Q$ w" w2 z9 c" {
- SEC$ ]1 `" c- ]& L) t1 R3 A
- SBC Bullet_Speed_Data_Ex_R,Y
# K( p I* \3 [1 i1 C1 H - STA Bullet_X_Speed,X
; t5 r9 N& u& ]! m+ |/ V - RTS% n+ T) Q8 I( r9 b; i5 y" W
- . z2 S; ]8 Q0 E8 T& Q
- Track_Enemy_Ex_X_Greater_L1
9 E6 o# g& C0 J9 U4 O9 J' n! { - LDA Bullet_Z_Pos,X
& }& D/ \2 K) }* }( h4 B7 ]4 ~7 H - LSR
! b0 D; B9 i* Q- B2 P0 C4 d, d - LSR: @% y. E5 y6 _. U, k4 E. ?
- TAY
4 ?, l( y. K- I) d; i. I8 K - LDA #$00
! {. [ N( k) l0 C/ Q. O& o$ { - SEC
2 b5 g; y# V* W2 P6 P9 j - SBC Bullet_Speed_Data_Ex,Y
; o: Z5 }9 h" x1 \9 n# x7 L - STA Bullet_X_Speed,X" |, L+ u1 x0 Q1 c
- RTS
h+ q1 K" J+ B9 ~' g% a- X - + w4 [# J& u& b8 P' T9 D+ V, k9 U
- Track_Enemy_Ex_X_End:
1 B! b, C1 ]6 U4 L; l) l' c - RTS& e8 Z2 P8 n! g6 Y# N1 M8 Z: U. W
-
# @% d8 x) K* d7 @+ q - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
" m: Q5 D$ ~# R- W& \ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
6 ]! `& w- ^0 V6 n) G* _/ s( Z( p - Bullet_Tract_Direction:9 |+ s' E$ X1 V/ {" l( f
- LDA Bullet_Icon,X
9 Z# a! Z2 A5 E- Z1 b - CMP #$23
9 m. J9 o( m+ J# I. m8 W - BCC Bullet_Tract_Direction_End
8 k4 G2 d ]9 D7 K2 u f; X) [2 i - * K8 i) T2 O' t: `8 v$ L
- ; X != 0
k0 R0 s( |' e( D5 `: D/ { - LDA Bullet_X_Speed,X
$ B' l7 F# p8 ?# ?' N* o. Z - BEQ Bullet_Direction_V
; o& _0 H( n$ l9 j - ; D- |- s6 N; M+ [. I5 k8 `
- LDA Bullet_Y_Speed,X5 n1 W# Y6 W+ F
- BEQ Bullet_Direction_H" K* h- J" r/ C6 z) L
-
) ]. V; I. D7 ^4 |- K; s: { - LDA Bullet_X_Speed,X
- F- k; c/ t4 E0 `# ^ - BPL Bullet_Tract_Direction_Right
3 x+ M6 p# l- v# _) H4 T! W - Bullet_Tract_Direction_Left:
9 G, z B' z1 g1 ` c0 H3 I& ~! t - LDA Bullet_Y_Speed,X
3 }3 m5 T7 C( H" m9 A - BMI Bullet_Direction_Left_Top
, f% r6 r' t1 _2 _' \! O _ - BPL Bullet_Direction_Left_Down
) S- Y: V, T! _- G5 n; ^/ `, q - Bullet_Tract_Direction_Right:
4 w& N3 p+ K3 ^9 _, O - LDA Bullet_Y_Speed,X
, J* t2 s7 Y' J/ f) C8 Y - BMI Bullet_Direction_Right_Top
- I& ] T, b/ Z7 I/ G0 w - BPL Bullet_Direction_Right_Down
5 H H4 }0 s& r& F0 }" w - Bullet_Tract_Direction_End:3 L: Q- g2 l$ h1 D8 q4 B" A/ [
- RTS
. M0 |) P5 Y) x4 p/ l6 W1 M$ h
; g2 n% E- P$ c$ V; X8 |- Bullet_Direction_Left_Top:2 B0 k* }- V8 X- _5 \
- LDA #$255 a: ~% D$ L# Z+ u
- STA Bullet_Icon,X# G2 d/ ^- X+ k7 U2 o# U
- LDA #$C0 n& K3 F) C- a: e
- STA Bullet_Direction,X
! A# ^4 g% q. w1 }$ U# E- @1 s- _ - RTS
' H4 h# z, B/ C5 W - 1 V; {; U2 G9 \( f8 D
- Bullet_Direction_Left_Down:2 V7 T' M( t* Z; C' t
- LDA #$25, _2 G N) w# S1 O5 ^, u
- STA Bullet_Icon,X
! F5 d! p# ?+ G; W4 X1 R - LDA #$40
) j' W) X! d5 v) c1 s2 M4 ~, G J3 ]% |' R - STA Bullet_Direction,X
8 f% Y4 D1 C: M& x - RTS9 B; C; ]( i" |% M
- e- D0 b- j6 ]( d3 O* F
- Bullet_Direction_Right_Top:
# i1 E: T; q) K5 Y' H - LDA #$25
: F* G( t. H5 A s# n - STA Bullet_Icon,X
; U+ s/ V$ S1 O0 N2 [" l# ]# V+ o6 V - LDA #$80
! i7 V+ t. V, p - STA Bullet_Direction,X
* Q9 u6 A; E) L - RTS
' K! W* h- A' F2 M4 c
* w+ Q8 E% g) W' h3 g- Bullet_Direction_Right_Down:
1 R! a! U% O0 y( `9 U - LDA #$25
2 b: o* z& F8 |* n1 w - STA Bullet_Icon,X- i0 {. E" A3 W7 y; r; q
- LDA #$00
6 z) P. h6 T% ^) |. D; B& g0 a* k - STA Bullet_Direction,X
: b9 r- g2 A5 `$ g0 H3 g - RTS }9 c+ b, I0 o* W0 ~
- 6 F, x4 J B0 S0 s
- Bullet_Direction_H:
$ Q& ^; z, T0 ?0 g F2 f3 a - LDA #$24
- h( V7 g9 u5 i1 V# ~ G3 L* j - STA Bullet_Icon,X1 q( O# d3 G. Y, f! ^5 x2 j
- LDA #$00
- J0 z: E# s0 ~7 x5 b - STA Bullet_Direction,X3 Z" q; T5 P: `9 \8 T$ P
- RTS* |$ ?: K/ a8 s! n; l
- : X& @7 H7 F/ r5 l# J
- Bullet_Direction_V:
* U& F8 u) B2 O' f* O4 |7 g - LDA #$23
! o6 y- F1 i3 R! _$ Z. K - STA Bullet_Icon,X' w# }( F( r$ p# R! S8 O0 b
- LDA #$005 L* w, @ Q6 V
- STA Bullet_Direction,X( R/ ]4 t( e+ C4 V8 C* k
- RTS
7 g% C5 n) @0 W" g8 F& ~+ A5 M
: O, p+ t7 ^. o0 h( Z2 G- Bullet_Speed_Data_Ex:
# C2 a6 K# b9 \) _$ n - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
J5 M) K) d+ E& @4 E( k5 o - ; R" A x3 s9 \+ a) P8 ]- }3 D
- Bullet_Speed_Data_Ex_R:
" V+ h7 P% o' l7 O - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
$ o) M6 B# ?: a4 c0 @ -
复制代码 # x! G/ J% _; K( o, v
) b6 I: F. M3 e/ b
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