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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.309 E' Q" Q& @+ W* B5 p* O7 ^/ `% R
作者:FlameCyclone9 B! a+ d+ f, T4 \- `/ |0 r
内容:/ P" Q+ F3 X e8 Q2 Z# W
1. 所有子弹追踪敌人# L2 a8 [' B j6 t$ a
2. 选择键切换武器4 X" D0 ]( k, d) h J% s& 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
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flamecyclone.ys168.com
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/ d9 N# x& P8 Q- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁4 a3 v W1 r& q j, y6 Q
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" i& ^; t3 s1 z- I, o2 [
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
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5 ?3 p0 q: x$ r3 v. X3 r' W; P* ^- ;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)
f0 e0 A5 c8 e8 h& j - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 Q- s9 n, u0 {! a+ y4 |; S R- K
- % q/ ~- F \% y0 P
- Track_Enemy_Index = $6000
6 H9 v& H5 X' i! Y$ V - Enemy_Index_Begin = $6010
8 `: l* f2 F- k - Enemy_Index_End = $6011: @/ z) g! S1 w0 B L, x
0 Z( A1 y8 c/ T Q! m' u- Loop_Index_I = $6012
7 A, r; c4 l! ^) f4 J - Loop_Index_J = $6013
+ v# }+ }. l+ h' c - nEnemyIndex = $60149 I$ S& N h! V# ~. m; }1 r
- Data_buffer = $6015& R% c% `4 B- O) L
- 0 I" x! Y/ i- q; B8 n
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
+ W& f& B2 P* h' i7 S1 K8 o - Bullet_X_Pos = $03C8 ;子弹水平坐标6 T; b' a5 d' u: n
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
5 k- u; Z/ E& S6 F S0 Z. P* ^ - Bullet_X_Speed = $0408 ;子弹水平速度4 I; t+ }' j5 I3 ~1 X
- Bullet_Z_Pos = $0418 ;子弹Z坐标
2 ]( X) g( H; T! f* k - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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; E: V3 \/ @+ j7 i4 k- 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
( r1 m3 C. b1 t: ?- x; ^1 R1 b - Enemy_Blood = $0598 ;敌人血量" T- Q, Q% c" r7 S) x
- Enemy_Type_Addr = $0528 ;敌人类型
9 S+ @1 T, i7 _4 d2 {' u6 A, s - Enemy_Blood_Addr = $0578 ;敌人血量
! k5 `8 s7 B3 g0 ?, k - Enemy_Y_Pos = $0324 ;敌人垂直坐标
5 b2 s1 P& O; X% s0 g" a - Enemy_X_Pos = $033E ;敌人水平坐标5 C( N$ Y7 {$ t; _: r4 F6 O0 Y6 ~
- Enemy_Y_Speed = $04E8 ;敌人垂直速度2 m" d9 }5 w6 P$ ?+ V) T3 W
- 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
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- Enemy_Index = $83 ;) D6 C3 C5 {. U: [# s& @1 z
- Time_Count = $1A
$ h* Q0 j; O) Q$ J% w5 P - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
$ f' P: ~6 C$ q1 r$ L) M) _ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率, m5 L! q) V! V0 L f
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3 e5 B' H; M5 f0 n3 p) ?- .ORG $6100: V! K5 x: W9 y. g5 D9 i
- Process_Begin:
" E- Q& p) j! d( ? - JSR Enemy_Check: x3 B) W, i+ y x2 ~8 W
- JSR Track_Enemy_Check
5 q/ }) Z( p6 A - Process_End:1 Z- i" ?7 @) P: ]3 y. f3 ~
- JMP $E54F# U. F! ]. u2 C+ X g7 z2 `
0 j8 }" p* D' U, O- Enemy_Check:+ ?% C! K0 Z% G" b
- LDA Time_Count
* I( U3 `4 L! V% p4 P5 A - AND #Track_Bullet_Speed3 q, H+ P6 O [
- CMP #Track_Bullet_Speed% c x2 Y" l( g7 i
- BNE Enemy_Check_End
& d! f+ \ f9 c- ] - LDX #$0F
/ i8 ]5 g4 c2 ? Z! Q - Enemy_Check_Begin:
G+ c! i! C. N# O - LDA Enemy_State,X' x3 X1 p& P2 U+ F/ o
- BEQ Enemy_Check_Continue
s: K" L( [1 ] - STX Enemy_Index
" g4 `2 `5 T! L- p8 H6 t. o( a - JSR Find_Begin_Enemy7 \7 f! e, B5 J
- JSR Find_End_Enemy4 X3 E5 W: r% f' F& U
- JSR Bullet_Track
# c3 G- V; [; H5 {. T2 G( X& P) e -
( Z$ c/ ~! g5 j! \8 x0 i& d - LDX Enemy_Index5 @/ H# r. j- g* ]* C
- Enemy_Check_Continue:
2 R: k( ^: p) o/ v3 ?* M& a2 B - DEX0 e8 l0 `" F0 G/ t
- BPL Enemy_Check_Begin2 D L0 O d( [' O) f
- Enemy_Check_End:
) l. a+ _: ]* l4 o& X8 s - RTS
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- Track_Enemy_Check:
% G6 k7 a1 {! C" A7 N - LDA Time_Count
! }5 e/ L) r/ k, s' } - AND #Track_Enemy_Speed
+ O: a9 h: U" s/ \ - CMP #Track_Enemy_Speed. P, ^3 ]( Z3 q- x+ _
- BNE Track_Enemy_Check_End3 s: n' F8 c! E$ E$ R
- LDX #$0F: N0 r0 [4 J' @% R/ i# E/ e
- Track_Enemy_Check_Begin:, R6 G0 Z M8 H( Q3 a
- LDA Enemy_State,X' H, D7 W, k; H4 `5 R
- BEQ Track_Enemy_Check_Continue
{7 s, f1 ?8 R: r Q - STX Enemy_Index8 y% c/ U6 q# y3 K; x; u
-
/ \( K/ L) |& ~8 z - LDA $40$ U8 E) N- Y8 a0 f# ]; y( @8 `
- LSR
, j5 B3 F0 M8 F$ R1 Q6 } - BCC Track_Enemy_Check_Begin_L1
3 ]" x i |' m/ K/ c. F -
% t+ {/ ]2 L3 B* a2 H7 Q* O - JSR Track_Enemy_Ex ;2, 4, N/ d9 r6 t- f: C
- LDA #$00* h) a: d }5 k- Z% B2 C
- BEQ Track_Enemy_Check_Begin_L2, _2 |( c7 D' Z+ C
- ( S+ V) g) a& ]6 R( A
- Track_Enemy_Check_Begin_L1:, M7 ]' u7 n; d4 }
- 9 I4 ^# K& M8 c6 l; k9 {4 _* R
- JSR Track_Enemy
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- Track_Enemy_Check_Begin_L2:
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- LDX Enemy_Index7 ]. X' J& {8 z% ^2 h6 X
- Track_Enemy_Check_Continue: X) S4 y6 L. n) e9 q* D
- DEX
3 R2 T* }3 W. g: E - BPL Track_Enemy_Check_Begin9 o9 d1 g3 n' Q0 Q* _5 u
- Track_Enemy_Check_End:$ {3 G0 c1 i; W+ S6 f! M
- RTS9 O% u8 \& y' a: }: S
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5 Z/ Q- p, S! I% Y8 Z" E1 d) C- ;查找第一个敌人
& i, j; x0 i) c4 N: S0 y& m - Find_Begin_Enemy:; @+ G( g( H, G. q) ~: i
- LDX #$00
* B$ B k4 i8 Z' C: _& z' v# b$ I - Find_Begin_Enemy_Check:
8 m, O% |9 T( D. ^( u' b - LDA Enemy_State,X2 I( N1 t! h9 a x$ Y# c/ x
- BEQ Find_Begin_Enemy_Check_Continue4 n" l# {1 c4 @3 t; X0 @: q6 m/ R
- LDA Enemy_Blood,X$ [/ ~. W+ V- r
- BMI Find_Begin_Enemy_Check_Continue6 A8 J8 f! ?- l c( ]
- BNE Find_Begin_Enemy_End
2 R; D$ T: a u6 D - + Z" [" d" m8 g/ p b+ _& ]
- Find_Begin_Enemy_Check_Continue:/ l; o, H" Z8 c0 x; s& U
- INX* ?# U3 g& D1 n) ]
- CPX #$10
, n d4 n6 n! D! k8 l( s2 t* p - BCC Find_Begin_Enemy_Check* D7 o: c' e: E3 l
- Find_Begin_Enemy_End:
0 W* F7 w- A" n - STX Enemy_Index_Begin
0 ^3 ^3 C4 [( F4 b' ` - RTS
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( h6 d; J9 V$ c( F- ;查找最后一个敌人; y& i7 w* W' K9 P* R
- Find_End_Enemy:
6 a. W( A2 B( R# [% H5 o$ \( c - LDX #$0F: @# A& L" {1 H7 _
- Find_End_Enemy_Check:
' y; A0 X( N% t7 M - LDA Enemy_State,X
- ?: W# E0 [. g5 F$ z4 u* J6 A - BEQ Find_End_Enemy_Check_Continue
5 ]8 `6 _6 ~$ R' m. }- x - LDA Enemy_Blood,X
7 Q4 G# O* B+ W - BMI Find_End_Enemy_Check_Continue
, G: D8 ?- T: L - BNE Find_End_Enemy_End
g: N* |( l9 H -
% O" Z' _8 p4 \# J8 c, e - Find_End_Enemy_Check_Continue:) Z$ o+ v, `; ]+ F: t
- DEX4 [- b( H5 O* a- |- c
- BPL Find_End_Enemy_Check h- M M! [6 l" i( z8 i: W
- Find_End_Enemy_End:
1 S7 y3 u& {: a - STX Enemy_Index_End
: r) v, G9 r) A- p7 y# u' } - RTS
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6 \3 Q& e0 E9 k; Q. m- ;子弹追踪/ w! ~& ~! q6 K2 e* t* D$ B
- Bullet_Track:( d8 M1 K8 g3 m5 e/ f D3 p
- LDA Enemy_Index_Begin: c0 U! n; R: T5 ~. D @! I
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;/ G/ m9 w4 M" X5 J
- LDX #$00 * q" P: `7 T$ d) k! `2 H
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)8 l0 a; D& K- o8 M" c) ~9 w
- LDA Bullet_State,X n6 P. G; |+ S @7 t& T2 m9 {
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
4 F9 x U' W8 E2 K& f' W [ - STX Loop_Index_I
1 i: P9 Z! p+ Q# I1 G+ ? -
: @; L! E) O% `9 j( A7 x- j5 C3 M - JSR Bullet_Track_Enemy1 k: c( t. b; [# E) I
- JSR Bullet_Tract_Direction3 ]2 m# \, H5 u# Y }; y) y
-
/ z+ J _ h! I" l9 k W0 t* o% K - ;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* s1 u4 c" u1 C7 H4 n
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;) B- a/ E. t% W; H& @5 N! F$ R! u
- LDA nEnemyIndex, v& o# s) c) O( S1 V
- CMP Enemy_Index_End! D* }+ m$ v# s' L) l, d# c9 R
- BEQ Bullet_Track_Check_Continue
7 x# Y" e, q5 W- K( q5 c - BCC Bullet_Track_Check_Continue
* K, \7 J. c* R/ U3 N& x* H - LDA Enemy_Index_Begin6 u* C1 K; m2 u- `/ }+ G4 C7 e
- STA nEnemyIndex7 C& J* d7 [9 g: a) q% {& h# B
- ' ?# X# {9 G- Y {1 X2 O
- Bullet_Track_Check_Continue:% U, u) n* H& M% U1 l. ^
- LDX Loop_Index_I
0 |7 K1 O s4 u) r - Bullet_Track_Check_End:
/ q( J, N9 x4 a7 F& s - INX
) S# z3 e6 T6 o - CPX #$10
3 L8 J9 D5 n+ r3 |+ g - BCC Bullet_Track_Check
5 h7 ?# d! q w) i& p - Bullet_Track_End:' n* F- R' O/ I. Q+ _
- RTS
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- ;给敌人分配子弹. F& I4 H* J( r2 Y) d
- Bullet_Track_Enemy:
8 P3 m" M3 u) k: |/ q Q - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)! d9 s( {4 y8 A
- Bullet_Track_Enemy_Check:
( G3 e( G1 r `9 |& ^, j- }" ` - STX Loop_Index_J6 ^7 Q5 ^/ U3 k
-
0 A- `, Q& E7 c: E9 @& V0 d1 x - ;if (0 != nEnemy[j] && -1 == nTrack[i])
% F9 w- ~' U2 O - LDA Enemy_State,X
! Y5 L: |/ L t - BEQ Bullet_Track_Enemy_Check_Continue
+ P- {! H6 b- m n3 K* S - LDA Enemy_Blood,X; E+ U4 _/ W9 j6 t" |+ O ^
- BMI Bullet_Track_Enemy_Check_Continue
+ e; W( M/ j. i5 {7 m( v* [! E9 ]. ? - % y, Y) C! [/ `
- LDX Loop_Index_I# ]* p3 p. _- G v4 A
- LDA Track_Enemy_Index,X# ~: k6 W5 R" d2 p
- CMP #$FF
! ^* W" s8 U7 m( O1 Y- b - BEQ Bullet_Track_Enemy_Init
( w' b: s: d! A/ o - + [9 ?5 s& j# i$ \, T
- Bullet_Track_Enemy_Init:
& e7 x! g- q+ M& j$ {3 @ - LDA Loop_Index_J
0 w: g; {* i# U# F( U - STA Track_Enemy_Index,X ;nTrack[i] = j;
0 g# x; X n( N4 Q8 ~ - * G0 K; {3 ^6 t! ]) l$ {2 ?3 J
- STA nEnemyIndex4 z! z: {) D O3 r" h1 U9 N3 q
- INC nEnemyIndex ;nEnemyIndex = j + 1;! j I& u, j- ?& ^$ I
- RTS ;break;3 T) {5 F0 ?5 C. X" K8 O
! _* g# o% r7 `$ N0 O# f/ e- Bullet_Track_Enemy_Check_Continue:
7 h* L2 [: a" \7 `7 ] - LDX Loop_Index_J
* [6 \3 G7 e/ @* P - INX ;j++$ j0 o$ [3 Y+ a2 k
- CPX Enemy_Index_End/ R2 [( ~- J9 r% ?
- BEQ Bullet_Track_Enemy_Check7 X) i8 p! s$ s3 G5 R
- BCC Bullet_Track_Enemy_Check
: v8 ^. a0 T) u' E; L# ~2 q- v0 J - Bullet_Track_Enemy_End:0 L Z. R6 G: f8 H) a j
- RTS& c( e3 e& k2 r3 K* k
- 6 h) M7 b, P) ~# g2 ^9 Y
- Track_Enemy:
8 v" a% v- _- X9 h - LDX #$0F
2 ~! u. c9 B9 G6 \7 z! _# T4 c - Track_Enemy_Begin:0 r4 b2 g2 d+ Z9 j
- LDA Bullet_Icon,X
3 S2 `, t- z1 A3 b( Y - BEQ Track_Enemy_Continue
' C9 U9 q( R4 ~) c, A+ T" ^ - LDA Bullet_State,X
6 X7 ~: W1 ]# Y d4 a - CMP #$011 f- a3 C6 G' f0 E: N/ K
- BNE Track_Enemy_Continue2 S% o; r, q0 E8 F: O
-
7 @% y. H9 F3 u" R3 B4 h: @+ ^ - JSR Track_Enemy_Process
9 K3 a, @2 x% G -
) Y) X" \) K) [/ j" M: B0 b6 m - Track_Enemy_Continue:
# ]0 t8 H" l. t& M' w - DEX4 p* E; f6 z0 c9 i+ y: `
- BPL Track_Enemy_Begin0 ]; K" D5 U: T- J+ D" `
- RTS, Q2 k' E9 T( l+ F/ x P
! ^" s( C: s: u- ;普通关卡8 G* S: H% J' {# }& a- a
- Track_Enemy_Process:" p$ V& L* l4 a h! Q
- LDA Track_Enemy_Index,X
$ D" F2 j# T; r7 ?# v - CMP Enemy_Index
" z1 z2 W1 p# ^! v/ ?. `, g* n - BNE Track_Enemy_End
3 a# h6 k" X% l- ?8 d - LDY Enemy_Index
) `! @: a. q1 A- o7 A- g a - JSR Track_Enemy_Y$ K/ U. e1 f& B% P
- LDY Enemy_Index
% G* l7 M0 `# C - JSR Track_Enemy_X
8 r2 u. v s x" \ - Track_Enemy_End:" M0 C% Y) ~- p, C9 {
- RTS3 J ~! c6 V e" f1 s' R2 Z* t" J
- $ u* c ~4 z) q, w
- Track_Enemy_Y:0 I: u& j- @- l2 r% k0 h. k
- SEC0 [8 h, L Q$ F0 v$ Y1 |/ _
- LDA Bullet_Y_Pos,X7 |; r0 K# T3 r `( k
- SBC Enemy_Y_Pos,Y/ v7 |6 G4 P0 ?
- BEQ Track_Enemy_Y_Equal) i5 s) C. O, ?$ X. Z. q
- BCS Track_Enemy_Y_Greater7 q& K9 p( L2 L( J; |
- 6 W4 L, t5 ^ k0 ]$ Q# c
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y* U5 k; _, q0 V8 |8 v
- CMP #$FC& v9 R9 ~/ W. h$ s6 c# K$ U! W2 V
- BCC L1_1
! j, ?( e! \6 ?- W" v* e - CMP #$FE( y' w4 L- b' X! Q4 E$ o" [
- BCC L1_27 N0 |; F0 |! H' [
- LDA #$000 H) L& i4 Z5 U! H9 g
- STA Bullet_Y_Speed,X
7 a, r8 E7 J7 M# N* _- @ - RTS( p7 b0 G* Q* e6 U* T
- L1_1: : ~- e# B3 V1 T& C6 r$ ^ Z7 V
- LDA Bullet_Type,X
+ _0 \3 |8 q! R- l - AND #$0F
' E/ K) Z! p) M$ p - TAY |$ y" Y7 K2 ^+ R+ D; _1 j1 h! Q
- LDA Bullet_Speed_Data,Y i( f5 q" |: g1 b# R s5 @$ s3 o3 ~
- STA Bullet_Y_Speed,X# F% p6 p/ h( c K5 x: }1 z- f( ~/ N
- RTS
( u( B! J% ?8 ? - : [: X5 l( A4 O4 b+ d
- L1_2:
} m0 T) Y: h1 w+ L# ^ - STA Data_buffer6 ?# S% E: U$ r' a
- LDA #$001 w9 D4 `5 L0 L8 e' `; D' }
- STA Data_buffer
! G1 I8 F5 I' a/ P1 O' u - LSR
2 s* W- A0 p8 g - STA Bullet_Y_Speed,X$ V7 `. r: T4 _
- RTS
( p4 \9 s1 V0 D9 y - " F0 d7 ^/ E8 j J0 I( B* F- J" v
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y2 a/ X5 e! v4 ^2 U
- CMP #$04! X8 z3 {/ ~4 W5 X+ e
- BCS L2_1% ~6 u3 Q7 s( j
- CMP #$04
7 @# J0 y) k" k% K9 q" t - BCS L2_2
' s5 J* K( I6 _& w3 O2 s! n' T9 ] - LDA #$00 Q6 a7 W! j: d7 [+ o
- STA Bullet_Y_Speed,X+ ^' E& }9 {, ~! T5 K5 s9 W! `
- RTS
+ H2 i, j" q. M# x6 A: B -
) Q0 K. z. ^2 ]6 _2 G - L2_1:
5 [4 s6 J/ n7 d5 d+ M& } - LDA Bullet_Type,X4 F8 q: B9 H) u" F' [2 p. \
- AND #$0F1 ^1 d4 G3 ]" {0 a
- TAY
' t0 s8 y6 g! N2 I - LDA #$00
7 N# I- x5 S; t3 T - SBC Bullet_Speed_Data,Y( j6 e, ?* _8 U; x* X. v6 O# M
- STA Bullet_Y_Speed,X
0 }- N+ N, J, u' q+ p' M - RTS
0 e' M; F' q) A7 L/ M t' S - 9 i+ ^# h1 ` {
- L2_2:$ M( D* r' i, W
- LSR$ ~, b/ d+ \5 v2 u9 Q) E
- STA Data_buffer9 Q' |+ o. C2 ^3 ~1 C
- LDA #$00
. g' I" ~; R7 H* G3 X% v" H - SBC Data_buffer
; O* ^; P" n" k3 W, u4 H; M% j - STA Bullet_Y_Speed,X
. R. F8 E7 F1 @/ ^2 J - RTS
/ m/ ^5 n' x9 p) N -
/ k/ U p# o0 o: R - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y# f* x) T$ L) Y+ P
- LDA #$00
+ ~* S6 q; E( T* ]' f7 M' I7 \ Q - STA Bullet_Y_Speed,X
0 X8 v7 ^* k8 j8 f/ V9 u0 C - RTS0 Y3 K' Y& m z& S7 A3 h2 M
-
& A, A: h r4 a/ G - Track_Enemy_X:6 _& [( }1 U y* Q( `7 x
- SEC
- F$ ]& I9 P# K8 p8 ^! T# Y - LDA Bullet_X_Pos,X
) U1 _+ t. n* K0 w( ?, [ - SBC Enemy_X_Pos,Y
1 ]/ a z" N) a' c - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
) z# R, I5 t, _* x0 C - BCS Track_Enemy_X_Greater ;子弹在敌人下方
' @+ M% M5 A. W( R) }. s. I - ! R) W6 f# a+ ^
- Track_Enemy_X_Less: ;子弹X < 敌人X
/ Y$ ~0 L& ^7 A9 q B% X - CMP #$FC
" \& R" S6 Z$ w3 K% H8 s - BCC L3_15 G. U, s. u$ k' t- _7 K: q. [
- CMP #$FE* l1 X/ {5 A3 k( ^% I
- BCC L3_2. p# q3 t! N6 s# E
- LDA #$00
1 j$ L( X z4 K- S: G& W% U - STA Bullet_X_Speed,X
* @ {8 z8 q) Z" C - RTS
( [# v. v3 X+ g4 a/ F$ A: r - L3_1: 2 C, m" H/ g p: W3 P5 m
- LDA Bullet_Type,X
h n6 j2 k+ {+ Y: o; ? - AND #$0F0 ] @2 o% J, n% I$ Q% A* M
- TAY- }) f! W1 O+ L: y! Q7 T' n$ @
- LDA Bullet_Speed_Data,Y
, l9 ]6 K( ^7 I - STA Bullet_X_Speed,X* f5 F& m, B4 b8 R
- RTS. x# |( J2 z/ k+ h5 ?! N
- L3_2:
/ e0 y# S/ Y) a0 S+ { - STA Data_buffer# v9 B" t$ [! p( P1 n) j9 F
- LDA #$00
; U6 t9 t5 h$ L1 ?; b1 m - STA Data_buffer8 F: r! P, u& @7 B0 G6 @
- LSR
4 C: P" s7 `2 S - STA Bullet_X_Speed,X
; @/ Z( E0 Q( H1 s - RTS& [4 w* }2 k: x; n5 j" C
- * K" {: h( m; L6 z# k/ d& O
- Track_Enemy_X_Greater: ;子弹X > 敌人X
+ ?# b+ I% P8 I' R7 C5 S - CMP #$045 V6 e- A/ Y9 C2 s# J+ I1 ^
- BCS L4_1
' b1 ~5 D' w9 O; b0 v( _' J& N" B - CMP #$02) V# b+ n0 S/ T, z& |
- BCS L4_2. O6 Z6 V7 B1 c( g" F
- LDA #$00
0 x; r$ `) P, b4 J* `" F5 X8 P7 F - STA Bullet_X_Speed,X
# W% b1 f+ _- s- R+ z - RTS& N$ ?4 H' n. p* F$ P7 L: c
-
7 \1 H' O0 \ |7 L! \ - L4_1: , y: j( U& b& |; ~5 f
- LDA Bullet_Type,X: P7 [" ]# W% b$ R. [+ |. e& X% J
- AND #$0F% K* W8 [1 H; u) e
- TAY
) L9 Y" @! z, _9 W4 M - LDA #$00
4 i# D, X: W$ U$ e; H# y. } - SBC Bullet_Speed_Data,Y
: V7 h; W3 C8 ` - STA Bullet_X_Speed,X0 S" F& C3 u0 F- v5 O
- RTS: [% V& t2 S# ` ?/ [( K
- L4_2:
/ p5 Q( l$ V/ i- M - LSR
+ |, K- [% g5 h" y) L0 l - STA Data_buffer8 x& f6 N6 C, H' M! m8 b6 Y1 X w0 T
- LDA #$00* }; W! i5 c& U2 W6 {; h; i+ ?$ k
- SBC Data_buffer
% @0 c' m% l# i- y4 H, i - STA Bullet_X_Speed,X `8 q( d4 U; C2 V; d
- RTS! K" L; K% G$ ?6 L& o: N! s# r9 g( J
-
$ [3 m: ^# U8 X i/ F - Track_Enemy_X_Equal: ;子弹X == 敌人X
; V/ A, w0 P0 O4 p( f' v$ N# z - LDA #$000 A) E: b8 b- I. |# s8 R x2 |. u
- STA Bullet_X_Speed,X. y& D& n3 r" i6 J0 S4 A* F- n
- RTS
) P9 e- z) w" Y. i! \. Y; c* a - " B! G( D3 Y( t2 ~7 g
- Bullet_Speed_Data:% l' ?- B7 j$ v' M) ]
- .DB $00,$03,$03,$02,$03,$03
) x( V0 P2 |0 g1 R ] -
; `8 D$ s4 @# L - ;2, 4关
- y* r; P- b2 {$ V1 i9 q( ~ - Track_Enemy_Ex:
$ w+ l2 ]8 m0 \ - LDX #$0F0 h; |. ^( T2 K* h* u+ V
- Track_Enemy_Ex_Begin:: p/ g) I; }" _9 ^ H" h
" p2 M8 x& X$ X8 ?* @- LDA Bullet_State,X
# O1 {+ |3 L3 L) X+ P* R" e - CMP #$01# K6 h: J5 {4 V. N9 q5 A( L
- BNE Track_Enemy_Ex_Continue1 I5 [/ D! Z# w2 p3 d
- % C) x& X, `/ k1 z
- LDA Track_Enemy_Index,X8 J. P# D* O5 b+ u9 Y; M
- CMP Enemy_Index, ~7 [( c; ^. f$ w
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
+ G" s8 F" u3 K& {# N - ; n: ]# R3 q6 M, H' D
- LDY Enemy_Index
# w) J% ?$ W+ y* j2 o5 | - JSR Track_Enemy_Ex_X
. d3 o. {' |# \; U& C -
5 a# y8 }4 _1 S1 B5 |$ e - Track_Enemy_Ex_Continue:
& C& \) L4 |: ~: n. {. c4 c - DEX
5 z1 x1 ^3 c& L0 R - BPL Track_Enemy_Ex_Begin7 x" i5 K) T1 U' P
- Track_Enemy_Ex_End:
% I3 }/ K0 Q0 R+ M W: h, y& s - RTS
9 p3 ^9 _) A$ ~ -
1 ^# J) @5 { F6 t - Track_Enemy_Ex_X:
6 o3 {+ P. L! e5 d. [ - ;LDA Bullet_Z_Pos,X
g3 q6 g0 m, ]! \2 p5 P - ;CMP #$04
$ l3 @" ?8 U; j - ;BCC Track_Enemy_Ex_X_End
& z8 V8 V& T9 ]: ^' _5 C( z" s - SEC1 }. [3 w3 `+ d. Y( O2 M
- LDA Bullet_X_Pos,X
9 h- c, e4 ~! U, h! q - SBC Enemy_X_Pos,Y( {% ~: F8 c; X! d: `3 ~
- BCS Track_Enemy_Ex_X_Greater: s2 \. ^. A7 B# J$ O
-
8 B$ B6 ?* K0 ^" p( L - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X/ E A) I+ U; f5 v
- CMP #$FD0 F& S- C) \/ X8 Z- e3 B
- BCS Track_Enemy_Ex_X_Less_End
* k2 e2 S. X1 \: N' T - LDA $6020,X9 H9 ^* e9 H& C5 q) v/ [: q
- CMP #$2A
5 i, [2 U! G2 u - BEQ Track_Enemy_Ex_X_Less_L1( h7 G% Q0 C3 a: d
- LDA Bullet_Z_Pos,X
) W8 ?2 ~1 k; q$ w9 J& ^: t - LSR
; W/ |+ d# P: {2 |) Z& e - TAY5 d( u. f7 O5 F+ ]* `
- LDA Bullet_Speed_Data_Ex_R,Y0 }2 _8 x6 j- K1 x) a" F9 ^
- STA Bullet_X_Speed,X$ ]$ u: H3 B& |1 B- `9 l9 X
- RTS g! A: P+ X8 h& \$ T [) A
- Track_Enemy_Ex_X_Less_L1:; g4 t* p. T1 Z
- " U7 x8 ? X0 z* i6 M( a
- LDA Bullet_Z_Pos,X: o( Y6 ? M4 K4 A3 b
- LSR; W/ c7 _1 Y) d6 a" W8 s. {
- LSR
. X& r. B2 h* \! O p* K - TAY) e# w$ G3 y" a( _& J' C; A* ^4 {
- LDA Bullet_Speed_Data_Ex,Y( f$ R' ^# [3 o7 [
- STA Bullet_X_Speed,X
- e ^: E' g0 f( f - RTS: L/ F+ \4 Y( r4 i* b& D. g+ a8 ^$ C
-
: H! G$ r& `1 h" Q - Track_Enemy_Ex_X_Less_End:# D* X3 N; j( s4 R2 |9 ~
- RTS
/ ]; K# e/ Q+ |2 d8 O; o
9 ?) X2 ^8 ?, j9 u7 @( R- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
% E" l: g9 K- \* t# S/ D - CMP #$03
- f/ O) z, j" Z; |5 C2 s - BCC Track_Enemy_Ex_X_End6 s3 B. I* O/ W/ l
- LDA $6020,X% M1 u, a8 f4 x; I6 e) z$ L+ t: p
- CMP #$2A/ F4 c1 y% C$ ^5 S
- BEQ Track_Enemy_Ex_X_Greater_L1% s8 G( q$ _$ V
- LDA Bullet_Z_Pos,X
# `, V r+ Z# i5 f7 z6 @- N% b - LSR
' A6 ^; p6 H7 H9 ]1 d+ f- \/ I - TAY
; ]3 F4 {" z, w6 W6 p; x! B1 r6 U6 g - LDA #$00
- W# D2 m2 G6 o) k( p - SEC
4 K) j! b0 |& m f. e - SBC Bullet_Speed_Data_Ex_R,Y
6 o5 a+ u# w! s% q4 } - STA Bullet_X_Speed,X0 T$ D! d2 [+ S' t0 j8 ^3 A
- RTS
8 w4 T# m w7 ~/ L. Y2 @ - 2 x% w/ G$ E9 a! G; f& g$ s- E
- Track_Enemy_Ex_X_Greater_L1
$ v% K5 R' ]. z( v - LDA Bullet_Z_Pos,X
* B2 C& T$ {6 W3 D - LSR0 w$ }8 W6 _: ~3 O T) T6 x+ E
- LSR/ M" ?3 Y' q) c: l8 P6 |! L- V
- TAY( \3 ]: G6 R& `, M9 C3 v
- LDA #$00
+ B$ q; j7 e+ }* { - SEC5 u E9 @0 q8 F: M
- SBC Bullet_Speed_Data_Ex,Y" B7 s; i" }3 I4 e
- STA Bullet_X_Speed,X9 }* }0 k- G% O
- RTS
. _8 O8 |; B i - {# s7 a) P( a& A9 U* P
- Track_Enemy_Ex_X_End:
3 I7 l! \; f6 b7 n; d7 D+ G - RTS$ A$ Q7 e& @1 g1 K9 `; f3 `, K
-
3 a8 N0 R& x* H4 R p- s' h - ;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 _- Q! i" l - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# F: X6 z' m' B7 W; U4 T. f# v - Bullet_Tract_Direction:
9 U( \! g4 v* Y( U5 W9 o1 N5 x - LDA Bullet_Icon,X
" h2 l$ e2 n, d3 o - CMP #$23
& k2 o0 \9 V4 b6 S$ ? - BCC Bullet_Tract_Direction_End
# ~6 ]; |/ t4 G8 M; u& {9 ^ -
" O& t6 o: ~+ c2 j F+ d; N3 Y - ; X != 0
% o7 E% B" f: C5 C - LDA Bullet_X_Speed,X5 I+ C# ^' c2 G- p& d6 l L* e
- BEQ Bullet_Direction_V
1 i v! T$ f) Y$ ~. W$ Q - . r2 t1 z* B. [$ E0 ]5 T) }# M
- LDA Bullet_Y_Speed,X
6 U1 t d! J* _' L2 K, p - BEQ Bullet_Direction_H
6 J% g9 `8 t# G$ N. [ N - ) ], `7 r. m! `. X3 Y% Z1 g( V
- LDA Bullet_X_Speed,X
) `! ?, f8 N3 ] - BPL Bullet_Tract_Direction_Right; P u- S- C9 a O
- Bullet_Tract_Direction_Left:* s P1 A3 v K2 E4 I7 |
- LDA Bullet_Y_Speed,X/ f! \2 n* ~6 h2 v! J/ _* P# b
- BMI Bullet_Direction_Left_Top- u, j' I: C) A5 I% r9 P
- BPL Bullet_Direction_Left_Down( u( G- \4 Z5 J: `( [( K5 }, B
- Bullet_Tract_Direction_Right:
/ ?" q5 O; P: G0 D5 {- Q/ }1 d4 Y - LDA Bullet_Y_Speed,X
, m2 I: k4 \$ K N5 L* ]' j+ f - BMI Bullet_Direction_Right_Top
3 ]" D- l* m8 m - BPL Bullet_Direction_Right_Down
0 v. h+ }, j% R8 x - Bullet_Tract_Direction_End:
8 N( \4 z! k6 _4 s/ W5 \& J+ _+ q - RTS. g: f5 t/ a& w6 {" z8 R. n) h; ?* K
) P4 \" ^9 E2 ]8 X- o. _- Bullet_Direction_Left_Top:
' S3 l9 p; o6 N - LDA #$25
2 \2 y6 V; ^' H3 v+ ` - STA Bullet_Icon,X
: h j9 L) S% m6 Z - LDA #$C0
' K) D |/ }5 i$ ] - STA Bullet_Direction,X
3 m c2 J8 G* q$ A( f - RTS" M# C, Z8 b, m) s
- ! x0 R. G* e! |* N8 v
- Bullet_Direction_Left_Down:
# M8 G3 d3 E* i% [" h& d - LDA #$257 z% Y2 c" N* a6 M0 W( V& f0 F4 M
- STA Bullet_Icon,X
; E7 ?1 W4 s* k% V9 }6 i; ~$ R - LDA #$40
/ C& H2 N! A* s4 B# a# i4 z - STA Bullet_Direction,X; X. O: K i8 v
- RTS: v% F$ [$ `$ E1 Y
- S5 `3 K, o( ~7 C. n( k0 Z- Bullet_Direction_Right_Top:
0 |0 v% l' q6 C* c* B - LDA #$250 Z- H/ A* h3 ?$ m$ T! M
- STA Bullet_Icon,X2 h1 F: W" a9 E4 y9 c1 j
- LDA #$80) G, z3 ?. \. a! U
- STA Bullet_Direction,X" a1 ?) `3 s, G' V' b5 h
- RTS$ q( j, B4 W: M) }5 Q' e
( y( r8 T4 G$ E: D- Bullet_Direction_Right_Down:
6 P7 ]4 ~; [2 R- } - LDA #$25
% c0 D! W. M% @ - STA Bullet_Icon,X
/ I' m% P. h5 e O8 F% A - LDA #$00
7 J) m# ~: m- j4 h - STA Bullet_Direction,X
, f( V9 [8 f. J0 z- R9 w; v5 l - RTS' K* y: r" `4 h0 P+ _% @
- [% R+ Z8 ~9 @- Bullet_Direction_H:
5 ~! u' t' h' j9 j/ @1 G - LDA #$24
5 i& ~9 w" @8 f - STA Bullet_Icon,X
* ]; p% l* }3 ]4 m) g - LDA #$00
, B7 h+ P- t4 c' V# s - STA Bullet_Direction,X8 l" o7 I$ [# n
- RTS
4 B5 x, Y" h1 T5 [* q - # x7 l, c8 q" Y" q8 O' U- q; K0 ~2 h
- Bullet_Direction_V:
2 F3 [% l3 }1 J5 @. `# G1 s - LDA #$23
9 @1 q% o! Y$ v: R9 j - STA Bullet_Icon,X( W; K! |# f$ P
- LDA #$00
: C9 |. S i3 ~. k; q2 L% I7 P - STA Bullet_Direction,X
6 T+ }% a3 s, g" }! n9 g; z - RTS1 l+ b* v9 O" e8 \8 N; L
" ~' V, U( }2 ]! t0 A5 v- Bullet_Speed_Data_Ex:
4 t$ D$ y7 T9 W* h - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
6 L7 |0 w/ T" L4 y+ w0 S -
2 F) m& Z# Z* W1 [' h6 ^1 n2 N, D - Bullet_Speed_Data_Ex_R:
) q$ ^2 k; F4 v: G* E7 Q$ d% } - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$087 l; E" A& L% A( g8 }
-
复制代码
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