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[FC][魂斗罗][J][追踪弹]
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4 z: d; v) o! \& ~5 R8 J' J$ g时间:2023.04.30% s% ?3 f2 l0 C6 r6 m# M0 W- `& R0 ~
作者:FlameCyclone* p: c7 W8 m0 M" c9 W
内容:
0 ?6 N% @( |( ^2 N! a' F2 c; o 1. 所有子弹追踪敌人
" Z* y9 i% U5 j/ O 2. 选择键切换武器
$ W. y4 {1 D' V- R0 ]- m1 } 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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& h% C) a/ r u! i% Mflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
/ u% V- f3 Q: V) w; r - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
/ U/ u* ?2 H" r2 v% i - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)- T7 G7 }+ @) b4 Z5 Q
- 7 ^/ Z) a1 @$ Y; Y( s! I$ O
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下): q# e' a$ S- u8 j( `* e+ }5 y
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
8 l1 T6 M% }$ Z7 N0 c
, N3 k1 X) E' q, f- Track_Enemy_Index = $6000
% F. f6 D: F( U% K3 I - Enemy_Index_Begin = $6010 d, K+ @& N4 T* v$ ], N
- Enemy_Index_End = $6011
0 n$ x# {4 {8 O7 W U$ I; r+ @9 f; a
. L" E4 |& |: h# i/ t! u- Loop_Index_I = $6012
2 p1 S' ~' p8 t3 g" Z - Loop_Index_J = $6013
" `% ~0 l$ g3 q3 \ - nEnemyIndex = $6014' p# V, {3 F6 t* V: ~" B
- Data_buffer = $6015
7 F8 i$ s5 R0 ~6 X. J' k
6 k7 l( u. |9 y6 M* z9 G# h- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
! X. u5 p1 V) b6 C! b - Bullet_X_Pos = $03C8 ;子弹水平坐标
' o. G) v: y' c7 G2 T' S - Bullet_Y_Speed = $03F8 ;子弹垂直速度: y; _) U5 n5 f/ y w3 f" k9 i
- Bullet_X_Speed = $0408 ;子弹水平速度
8 q- ]; @" {5 V2 ^7 y* e) |9 r - Bullet_Z_Pos = $0418 ;子弹Z坐标
# _ t& ^. |3 ^$ x' }; C - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
G+ I2 P4 R2 p - + Q& X# A/ q) M9 P/ M n
- 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9 d M& m1 k2 U2 q" j
- Enemy_Blood = $0598 ;敌人血量( p' r+ `5 |2 X" M2 \
- Enemy_Type_Addr = $0528 ;敌人类型$ q3 u. ^ f3 M0 G7 L% G% u
- Enemy_Blood_Addr = $0578 ;敌人血量# f6 ]+ j7 \0 g& R
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
0 R* j9 W9 e3 c8 }! v* } - Enemy_X_Pos = $033E ;敌人水平坐标+ Y) B, b! v8 w' V$ U- M& B
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
6 t6 v! V% b) k7 J3 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
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9 I! `" [+ g( `" ?- Enemy_Index = $83 ;! X/ P) l7 J6 L2 h9 H& L8 m
- Time_Count = $1A) s' q9 E) T/ f
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
3 K) T! Y* q) }' e: T- f' J( U) A# l - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率# y4 P0 u3 j5 p" ^/ m0 U
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- .ORG $6100
3 y4 a3 x4 z: A/ S& w$ k! F: I* W - Process_Begin:8 B9 k/ L* I! ~
- JSR Enemy_Check
5 z( X3 @( c# h h# B* O8 _4 A4 w - JSR Track_Enemy_Check
* @4 n6 z& w7 j7 Z# @4 j! r4 m - Process_End:
* [/ o1 b7 b+ a5 e - JMP $E54F7 d7 ?" o0 ~% c, v9 M1 E* A
! S0 I6 w3 W" j7 Q; K5 r- Enemy_Check:
( c9 T( Z n0 j9 |) ~& k - LDA Time_Count
" c: \4 ~( }5 [6 P$ z. y2 R+ t - AND #Track_Bullet_Speed
" Y- J. g# a. W0 l4 |( ], O - CMP #Track_Bullet_Speed
+ {5 S/ }$ a7 h - BNE Enemy_Check_End b: x7 {( l8 E8 B, S2 J- T
- LDX #$0F9 Y9 A2 U- L9 X( w! {$ p* m9 K1 M
- Enemy_Check_Begin:
# W0 y* o: B7 f/ l- V - LDA Enemy_State,X; G/ }2 s: ]. f9 \% t
- BEQ Enemy_Check_Continue- C* L3 S+ y) h0 \- m
- STX Enemy_Index
4 F+ w6 d. ]# r: @8 j# |; X( z - JSR Find_Begin_Enemy
( o/ Y/ ~5 j: ?# d# I2 f - JSR Find_End_Enemy
- a) K2 q; e1 p; j5 d! P - JSR Bullet_Track% `& O9 j5 g7 T% w+ Q
- + w! c( W |; B( h) ~* D
- LDX Enemy_Index
0 @& {& O3 x! n" n, r1 c/ j# ^ - Enemy_Check_Continue:
, X6 s2 q9 S% _( u. w0 C - DEX
; T: F) F/ m# L3 _ - BPL Enemy_Check_Begin
/ \- o1 ]1 r5 o; L! K5 P4 B - Enemy_Check_End:
* ~# w5 ?) o& Q - RTS
r* ?: p* z" v9 m7 E5 I& z/ p - H+ w4 ^2 j6 j1 \2 a n, D6 s# g% F
- Track_Enemy_Check:! ]" e' l' j1 q( ?8 m
- LDA Time_Count+ v" Q& G# o( |' W2 p9 G3 L7 B
- AND #Track_Enemy_Speed U& ?5 C+ m6 ]
- CMP #Track_Enemy_Speed# l& |* i1 j2 L$ g
- BNE Track_Enemy_Check_End
& w4 z2 M$ {8 N* y# q. U4 D) d# W - LDX #$0F
0 {' ^" [ K( H0 E - Track_Enemy_Check_Begin:
" `) C$ B; _' L' ~* D) N - LDA Enemy_State,X
; S6 \ T" p) @+ X - BEQ Track_Enemy_Check_Continue! p7 [8 o6 T1 u& @
- STX Enemy_Index4 }; D. ~+ P5 z) T8 o: e% C3 l
-
. R7 I; I4 F; D9 y - LDA $40
; L: `# Y' u1 c- F" c: }( e3 O4 u - LSR3 V, c. ^% M/ X6 z. ]
- BCC Track_Enemy_Check_Begin_L1
) s# J e( i( @% B' |3 w1 Q -
$ B1 K* `3 K! U1 R, y# j4 p/ o - JSR Track_Enemy_Ex ;2, 4. d& `$ K( w/ u- K, X7 b. G- ~; A
- LDA #$00
7 B3 x( A4 C. p; F* ] - BEQ Track_Enemy_Check_Begin_L2
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- Track_Enemy_Check_Begin_L1:
) f$ v' @0 I' Y8 Y" c - ) X8 m/ p0 B7 O
- JSR Track_Enemy
3 r3 y! W. _% _8 I4 E) c ] - 8 l L$ B7 [' |0 v* m
- Track_Enemy_Check_Begin_L2:
; Y4 z* q$ J1 Q( c8 v - , F, W+ f3 M& k3 H4 |: N" S2 I! e2 V! {% G
- LDX Enemy_Index
1 O9 \+ m8 E7 v - Track_Enemy_Check_Continue:
( _) q# e4 L6 R( d( n - DEX+ ~4 `5 F% ?. ~6 H6 N6 y6 [( K
- BPL Track_Enemy_Check_Begin2 K. @2 {7 ^% N- `: V
- Track_Enemy_Check_End:" K# V0 z8 ?5 r, z
- RTS# B! S1 C' Q: x6 q, o9 `
- ! {+ @, P) I C, m
- 0 G$ d3 S& E7 v8 ?
- ;查找第一个敌人# {4 Y: `3 `1 e
- Find_Begin_Enemy:
# N8 O9 E5 r/ h - LDX #$009 S" ]' _0 q+ Z: M
- Find_Begin_Enemy_Check:% {1 G5 e( @) G4 M0 ^8 J @% p
- LDA Enemy_State,X
( O" ~. _/ B0 t: e8 T0 K1 D6 | - BEQ Find_Begin_Enemy_Check_Continue+ U/ _/ a% |6 A7 R$ |" T
- LDA Enemy_Blood,X
3 J0 W" g5 R$ T6 U - BMI Find_Begin_Enemy_Check_Continue
! |5 d0 \ v% B1 ]. C# P6 }. i% f - BNE Find_Begin_Enemy_End+ _' x) U0 S) ~8 Y% i7 W
-
C( h3 o* Y+ {6 B% L2 t - Find_Begin_Enemy_Check_Continue:
* S1 k) S# k, b: M - INX" N0 x" _( \/ t
- CPX #$10
' j/ N8 I3 B1 b - BCC Find_Begin_Enemy_Check
6 F) _$ P! z# ?9 ] - Find_Begin_Enemy_End:
" u5 V) N5 H: D' g$ d9 j - STX Enemy_Index_Begin
% \6 M) [2 Y8 m - RTS
: ^( M3 m- C ?- [ E* J3 ^& |! J
5 A/ e# p) \) v( k5 u# P- ;查找最后一个敌人
! V: O) [! F. |0 F; |! m - Find_End_Enemy:
( \% [! B5 i! s/ V; B6 {5 n! p0 Z - LDX #$0F+ c5 A- m9 S5 i; W! u
- Find_End_Enemy_Check:* p' ^- [: X2 J8 l! K- Y N% P# G
- LDA Enemy_State,X
- M# n/ X. J' Z$ b" s$ Z% {' J - BEQ Find_End_Enemy_Check_Continue. E( p2 l/ I' X& B; y
- LDA Enemy_Blood,X' V# L" e; d- n- ~1 L4 C
- BMI Find_End_Enemy_Check_Continue
5 W6 D* I2 }3 Y7 r - BNE Find_End_Enemy_End
* G5 g; g3 L. y n' {: R8 U8 S - . N$ D5 J* S3 M; c2 U4 w: P
- Find_End_Enemy_Check_Continue:; K4 q: [4 `8 q& m6 t) ?9 C
- DEX
1 T) @# @$ c: K1 g H( I - BPL Find_End_Enemy_Check" x. F( g% U# ?' [3 D
- Find_End_Enemy_End:, k5 R" t! Q( Q" v
- STX Enemy_Index_End2 m: s R) t7 ^! Z! W5 l# a; }
- RTS
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- ;子弹追踪6 j, P$ P9 M6 g- @. r/ k4 i! s
- Bullet_Track:+ R0 M) D) ^# Y( K4 {. ?8 ^
- LDA Enemy_Index_Begin8 r" h$ S# j4 r2 e( D) j* n
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;2 ~0 c# [6 m+ Z4 S3 ?2 L' f6 I
- LDX #$00
& R- u, b( Z, z, a/ y. i! u$ j4 y' } - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
. R) S# u5 Y$ ~2 T - LDA Bullet_State,X
( M# u" V0 Y% V x+ | - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;' {- F* B9 r1 S5 q
- STX Loop_Index_I3 S3 u/ E8 D, n9 G, q- P
-
+ U( f8 e* N; v6 Q) T - JSR Bullet_Track_Enemy0 _; o. q1 K* i. r h3 ^" U
- JSR Bullet_Tract_Direction# h7 N7 Q4 ~, k3 d. [9 m4 P
-
7 j$ S8 h, j9 e: @% 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
0 a# a1 X& n. x: y/ X& o! G - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
) E, n$ U, j; _ ]) z( D - LDA nEnemyIndex
% s0 q7 z$ u6 \% z' \ - CMP Enemy_Index_End+ Y9 J8 {7 s: U6 v
- BEQ Bullet_Track_Check_Continue
5 @ a: n. ~4 ]9 Q- M - BCC Bullet_Track_Check_Continue2 V( w2 N& B- R& N- }! _, U
- LDA Enemy_Index_Begin7 o! E- j J8 j, A4 d
- STA nEnemyIndex* o+ w7 H% h# Q6 r6 V+ A
- : E7 |9 c5 c- K5 r3 O z' H
- Bullet_Track_Check_Continue:" d' i% N) e! W+ {. A8 D) V
- LDX Loop_Index_I' o2 ^! ~2 ?- j3 u
- Bullet_Track_Check_End:0 y" U0 r0 s3 W9 O6 m" Y5 Y
- INX
4 F& h. M& B- T - CPX #$10
: P7 h( U: A! C! K& L, A - BCC Bullet_Track_Check
- \0 ^. r8 u. [ p' ] - Bullet_Track_End:1 {+ q* _; ?# s) F3 B: j& v6 ~8 H
- RTS
# A, N& Y& V1 e- b; w. L3 i+ s3 J - 1 r7 V" I1 x, X! a2 t: ^* K
- ;给敌人分配子弹; L8 f: n1 Z8 }% j) R* a
- Bullet_Track_Enemy:
2 J) t& U; I3 m- a7 H Q - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)& E+ U q2 i5 n1 l4 X
- Bullet_Track_Enemy_Check:) e$ o; F ]- p% r1 p0 e
- STX Loop_Index_J
/ _' q4 t6 f' r+ ] - . ` P5 w# k, R7 G8 _% H$ d% O- f
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
4 N" h* g, E7 k, T2 y0 }& P - LDA Enemy_State,X
( q. b7 q, @1 R* k$ }1 J- X - BEQ Bullet_Track_Enemy_Check_Continue& `0 G; r; M) }
- LDA Enemy_Blood,X
4 S$ U. N$ _$ a6 f; ~0 ?6 x - BMI Bullet_Track_Enemy_Check_Continue) r1 K* m7 }/ X Q8 z& N; ~
- + p8 A% n7 P/ A9 t# {/ x) h5 O+ U
- LDX Loop_Index_I
6 T9 h: M; C, h$ j6 a4 X6 | - LDA Track_Enemy_Index,X
1 I- I- }8 @% I0 q, o y: c - CMP #$FF+ S9 I( Z0 M* G9 v1 N' [2 S
- BEQ Bullet_Track_Enemy_Init+ X+ i" [8 p |, u
- ' u5 ^0 a! A; x1 x# l
- Bullet_Track_Enemy_Init:! v2 c' p. h6 Z3 B2 r
- LDA Loop_Index_J! E; [9 E3 w7 p) L& b
- STA Track_Enemy_Index,X ;nTrack[i] = j;
; L0 `) @' ^$ t; I k0 E$ A, g -
) q9 \9 d" X8 D0 E9 v( J1 w* o0 k - STA nEnemyIndex
/ C" z! P b9 y( t1 d9 T6 k - INC nEnemyIndex ;nEnemyIndex = j + 1;% i6 K- x6 D& A2 ]7 t1 k& V& o, I1 n! h7 E
- RTS ;break;7 R( \8 A5 Q [ A. W1 ~) J
0 a9 x5 T8 V6 {( @- Bullet_Track_Enemy_Check_Continue:
: Q: w V% ~' {1 M0 s W+ k: y - LDX Loop_Index_J- ]" m4 h* ]% d( E l6 R9 k
- INX ;j++* D. O6 G2 ~" \" I/ W: x7 M: V) Z
- CPX Enemy_Index_End
) E, J; I+ [% G0 G$ |+ } - BEQ Bullet_Track_Enemy_Check
6 }3 Z; f6 l9 I0 {# S2 I% U - BCC Bullet_Track_Enemy_Check
9 S1 X5 b* |7 Q! p; g - Bullet_Track_Enemy_End:! n$ x4 V/ T+ \# s
- RTS
+ I7 M5 L/ F3 r! T5 R k# j - 7 l3 @& F) M3 o" b9 V8 g
- Track_Enemy:
b7 I" t$ \& N0 n5 T; m - LDX #$0F6 n5 u+ n' E l5 s) \/ T( ^
- Track_Enemy_Begin:2 M! a1 p7 R% I# N0 i( c! E1 j+ ]1 @
- LDA Bullet_Icon,X5 L' v U0 `. N) x
- BEQ Track_Enemy_Continue
$ i, {0 Y8 I8 g0 w f - LDA Bullet_State,X
$ H9 _3 h' l6 L7 w, x - CMP #$018 g# t, o; L9 ^; L) Y+ u9 P0 C* Y
- BNE Track_Enemy_Continue, Y( D% s/ x3 h# s" R1 k* h
- , x. P" @% _% m" L4 Y
- JSR Track_Enemy_Process
+ m4 W4 `4 S3 k/ r' J. \ - 3 R) ^ p( u1 J, ~
- Track_Enemy_Continue:/ F5 F! p l# i- v( K
- DEX; z1 C B; X* s- {
- BPL Track_Enemy_Begin( V+ L) @% D) W! m
- RTS
4 @+ S9 r. T5 I' B/ h - 0 {' f( f! x/ q. M
- ;普通关卡, s0 {$ ^( t, T2 X+ Z
- Track_Enemy_Process:
' T* G" M, g7 Z9 a1 b4 v - LDA Track_Enemy_Index,X
' a/ r% Z2 b K' G* S - CMP Enemy_Index
# c3 y& l+ X9 L6 v( y& h% N7 D - BNE Track_Enemy_End. ^. B( \: F5 _/ R9 q
- LDY Enemy_Index
$ z! g [: H/ w7 e ?, r& a - JSR Track_Enemy_Y
7 l7 u+ v) W0 H3 j9 p0 C7 P - LDY Enemy_Index
5 b" m( E @4 b3 F% l: d3 h - JSR Track_Enemy_X
$ S" m; ^1 e% w; \% D2 m9 F - Track_Enemy_End:
$ _ A: j( E, l% A& l! S A7 z - RTS4 a' x/ t: P! v& [ t
- 9 F/ h+ D6 l- r- \8 H
- Track_Enemy_Y:" O" ~: ]6 l* K
- SEC
* F6 P! P9 G f5 I2 u1 l6 c z - LDA Bullet_Y_Pos,X: P$ a' ^4 ^) f
- SBC Enemy_Y_Pos,Y4 D3 m* Q h+ D9 B2 _
- BEQ Track_Enemy_Y_Equal) L9 [. T- z9 r7 w! g
- BCS Track_Enemy_Y_Greater0 o ]: f0 u V: e' f. T" X2 [$ Y
- / F6 h+ [5 ?. O
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
: A8 j# x3 ^ i+ Y - CMP #$FC
8 |& N! B1 j, Q8 S; l; \ i0 b* ? - BCC L1_15 X f( M, d8 Q
- CMP #$FE! m% B. P, a$ n: p
- BCC L1_2! }! N! Z% Z( e( }# m! r) }
- LDA #$00
# q: R, n r6 I Y; n; U - STA Bullet_Y_Speed,X
1 U( K0 N' x! N; Q- a- m0 Q- a - RTS
9 Z2 E( t( ~0 l* \ |5 L: [! j - L1_1: ( u$ f) Y2 Y# d2 E
- LDA Bullet_Type,X
2 _3 J- g$ [7 h - AND #$0F, J3 Y" W. W4 s/ t' s) `
- TAY7 j, e; v( }3 i
- LDA Bullet_Speed_Data,Y
, E3 G4 ?' X( z/ u* m. ?$ B0 `/ E4 x - STA Bullet_Y_Speed,X
( t. O" C* ?: N! Z - RTS
) B3 ]7 `3 @# w" p" O0 H
) C! a9 y( [& }' P' l- L1_2:
) l3 I& J+ B: h - STA Data_buffer! E) w# j+ B. Y) b+ u3 g. V
- LDA #$00' K% Q2 Q! s( T) Q
- STA Data_buffer# p% j8 u1 C0 R# _) I# w m. d
- LSR
& L% F' i% r; x0 u/ i: b1 |+ y - STA Bullet_Y_Speed,X
( Y; [! D, j- {% x( w& P - RTS
1 Y; [/ {) n$ b @$ h( T
* V$ Z$ ]# ?+ X* A5 f- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y- R+ P$ _- v5 V* s% v9 L: E
- CMP #$041 ?9 R7 ]( z9 l, F% p) H
- BCS L2_11 E: W8 S3 J1 l' {% u
- CMP #$04& ~( Z5 ?$ |2 x: k7 a
- BCS L2_2
7 a! w2 O& C" E1 t7 e - LDA #$00. e; ^& c& p& R- v5 L1 Q3 J- o6 a
- STA Bullet_Y_Speed,X' `7 ^' t& y* Z) h, \; ]
- RTS
. ?, u4 y; U7 L8 T P2 O - + E# B3 P. L! j9 w7 y/ A3 C. s
- L2_1:
# C* H3 o! q8 z" q( f) Q - LDA Bullet_Type,X
4 M8 c A. n/ G( f9 A! h3 D - AND #$0F
6 N+ |" x9 _ r& s/ W+ _ - TAY& p8 Y0 A8 q/ d, h
- LDA #$00 N; S6 p* u% W. Q: ]
- SBC Bullet_Speed_Data,Y8 m4 L1 F2 z' p4 v
- STA Bullet_Y_Speed,X
1 \, T# ^: J+ [3 x* y - RTS4 n# K; Z4 \" r( y
-
m1 w. p- V& w# Z7 c" b1 o, K' f - L2_2:
) e: m4 l0 S$ f1 _1 L - LSR8 S" Q. F: O# h0 a1 r
- STA Data_buffer
' _ D0 I. x, b" z: J5 l, ] - LDA #$00
% ?0 r& S- E$ T7 q) S - SBC Data_buffer
; z, L. H# I: U1 V - STA Bullet_Y_Speed,X
2 {; e$ _3 |; \: f - RTS
1 S! V8 u+ W& m: h( e r -
5 C4 n3 I% R( R) I: J/ J" v - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y2 b+ k& q2 l+ ~0 e+ k1 X9 u, f
- LDA #$003 B2 S( i2 B D% l; d
- STA Bullet_Y_Speed,X# D- C) R7 I% o4 w& z( y6 `# x3 [- c4 ~
- RTS
/ f! x# @" e: ^' O - - z1 `4 B8 q! g2 n' ?4 m2 u) M
- Track_Enemy_X:' G7 O! U7 ~% s5 d/ G$ e% r3 D4 v
- SEC
* _; T. y( A3 w; m - LDA Bullet_X_Pos,X
( i' M+ g5 v' C; I* A( a - SBC Enemy_X_Pos,Y# X. |" x' a& E3 P
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X6 @6 k4 X9 y' U6 N# |- I* B
- BCS Track_Enemy_X_Greater ;子弹在敌人下方; _7 o- U1 B: s7 u# z
- % p" B H4 m I8 h
- Track_Enemy_X_Less: ;子弹X < 敌人X
: y7 B& R1 S& r2 a8 K - CMP #$FC
. s* j2 w4 q# K1 \ - BCC L3_1* {; m* ^/ f W- @1 b
- CMP #$FE% v. M* x, @& c0 q) L- g
- BCC L3_2
. n- x7 [! a$ F" T8 z - LDA #$004 y5 N, \0 i) n' ]- l0 F' b
- STA Bullet_X_Speed,X
$ k ?: W3 o3 h" C - RTS
. Q# B* W7 X" [9 u' X4 @) H - L3_1: 7 \5 `+ Q5 Q5 E8 ?' f2 c6 C* u, y
- LDA Bullet_Type,X
3 B# ?' E- l4 q% D# s+ ]# g - AND #$0F
% \0 b- P' C7 G8 \+ y - TAY2 `" l2 F5 E: A' i( h
- LDA Bullet_Speed_Data,Y
; _) T m) z% q( d* i# T - STA Bullet_X_Speed,X4 B1 q' c# }; J1 s8 E5 |
- RTS) m/ ` X0 W8 V, `1 i
- L3_2:
& c; [! B, h" x3 d - STA Data_buffer
# I% A7 m) |/ N- F/ v: E. O - LDA #$00: O. S" D4 I( E$ T" ]: a0 s
- STA Data_buffer7 Y* w# J7 r" k! S
- LSR% j3 N' v) r4 B% A: T2 P
- STA Bullet_X_Speed,X# i. {) k; g; m" h! k8 U+ N
- RTS8 K9 x4 r/ z2 t
-
5 c; h& {# y9 ~$ n/ o* j' j - Track_Enemy_X_Greater: ;子弹X > 敌人X
5 Y. o+ @6 t4 I7 A3 j - CMP #$04
# V! V5 I$ l7 V5 Y - BCS L4_1
9 X) ^, d) w: A+ Y9 e - CMP #$02
& D$ U$ Y/ p+ F2 h G! ? - BCS L4_20 N, F4 K' Y0 r9 f) M6 c1 L
- LDA #$00& g5 c6 H. ~- T* V" q4 x
- STA Bullet_X_Speed,X( J) u _, F2 v' u5 Q
- RTS( Q( Z% U y2 c1 R3 U& X
- . f, H' R) E, n+ k9 f
- L4_1:
* y# _7 N3 M- J - LDA Bullet_Type,X
$ X! ~) c' h; H - AND #$0F) O7 V" b j7 f; g3 J' v/ w7 G
- TAY$ [1 t5 z* p% k: N" N; x
- LDA #$00
* d V2 o' I4 F+ {9 A - SBC Bullet_Speed_Data,Y1 Q- E2 H. q5 x- M8 _
- STA Bullet_X_Speed,X
5 r3 Z: u9 C+ \8 i! S0 P - RTS' S/ u' |4 E9 t9 G K2 `$ H
- L4_2:
; f2 T# R9 h9 e0 r# M! v0 S$ y - LSR
" @9 d Z/ Q: z# `" Z - STA Data_buffer
# b/ Z$ w, \2 \. a - LDA #$00# |" G9 J1 [3 |- f
- SBC Data_buffer
2 G9 o' ^9 z H9 E1 I - STA Bullet_X_Speed,X
8 Q7 H" l! Y: o. ^+ x* l2 \ - RTS" t2 Z$ K8 m2 Y
-
' r; I, r4 Y! ?# R- Z2 @% o - Track_Enemy_X_Equal: ;子弹X == 敌人X3 ]1 X% r% ^& ?2 x) q! _+ m
- LDA #$00
$ v. {$ a7 f* g$ c2 L" G7 A - STA Bullet_X_Speed,X
+ ~, d: [& t" W9 r9 S+ g - RTS, `3 a9 X# i1 t8 g- k; |; @
-
. ^2 V' `1 y7 @ - Bullet_Speed_Data:
* V& L. m/ k6 v8 { - .DB $00,$03,$03,$02,$03,$031 n6 }) Y, E/ }/ Z/ X) U* o
- # \# B2 u Y/ N
- ;2, 4关( h( Y# \/ }$ @' M
- Track_Enemy_Ex:
: B$ }" T& V- g/ N9 j0 X7 ?6 z - LDX #$0F
9 f7 X3 j; J$ g0 F: h( `% i n - Track_Enemy_Ex_Begin:: ^: v3 t3 t" N& j$ f2 ?! ]
- ! b) Z1 p2 Q* C6 Q5 z# j
- LDA Bullet_State,X& o7 M, i$ b9 d
- CMP #$01' }1 R. Q( Q: l0 |
- BNE Track_Enemy_Ex_Continue
& t' G- K. L' f& ~$ i2 _# { - 8 f, J4 {/ U# V; A) d1 s% I$ f
- LDA Track_Enemy_Index,X
, n% c/ r& m/ P9 M" c) W - CMP Enemy_Index" x2 l5 Q" y( d* ~* }9 A0 ^4 K
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标4 S5 j& z& L! \; p( b
-
; i. v( e" \8 m: m- a: h' q" x - LDY Enemy_Index+ z* Z+ h. k( B% t3 i
- JSR Track_Enemy_Ex_X% E5 ?4 s9 W$ i% W: x, p0 u/ T- j
-
5 [* k$ F, q: K' |4 Y7 ` - Track_Enemy_Ex_Continue:6 M5 L- ^6 f9 _
- DEX5 \7 e/ Z8 U: d% m5 U
- BPL Track_Enemy_Ex_Begin4 P+ |3 R, r. b) G0 i5 V/ P6 b
- Track_Enemy_Ex_End:
1 D: V& _ \' i/ o - RTS
! K' S2 a2 p0 m; { -
% R8 D' x6 B% ` - Track_Enemy_Ex_X:, a/ v% @% e% h- |8 f' L
- ;LDA Bullet_Z_Pos,X; M: _5 o' O+ Y$ I
- ;CMP #$04* x, y& t. |. P" f- A3 Q
- ;BCC Track_Enemy_Ex_X_End* i* a0 ~: ~# R$ d# s) q5 W
- SEC
9 Z! B/ I3 s E" F t; o2 i6 q# a4 M - LDA Bullet_X_Pos,X3 k4 G) K! v" p& f
- SBC Enemy_X_Pos,Y. Y) h" G% X& Q8 M! n" W9 o4 z3 C0 s
- BCS Track_Enemy_Ex_X_Greater
7 i; M1 q7 n, e8 b8 n -
. M& H6 Z* S5 L& O, d: u4 ? - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
) A# m& Q e( G1 [6 E% j - CMP #$FD8 L1 b/ e/ v' I
- BCS Track_Enemy_Ex_X_Less_End
+ i5 c7 M5 b) |; u: ]: k0 j/ R - LDA $6020,X0 o9 K, W( Y& c9 M' _7 u0 M
- CMP #$2A
1 p8 M) r) O J5 h2 v# ^ - BEQ Track_Enemy_Ex_X_Less_L1* `$ o8 N: Q9 K# y2 m
- LDA Bullet_Z_Pos,X0 I9 h% d9 U3 s- \8 N
- LSR5 i" a5 P' o! Q& d
- TAY
8 F8 f; i+ E1 F4 s/ ^ l, Z' N- Y - LDA Bullet_Speed_Data_Ex_R,Y
7 h( F9 ? W0 y7 M$ f - STA Bullet_X_Speed,X h# Z! r2 c# k5 ~3 u
- RTS/ C9 v6 ~9 r3 J$ J+ |
- Track_Enemy_Ex_X_Less_L1:
, Q$ `! G3 N, `, j* c- k
# F- U3 T% ~% B) z- LDA Bullet_Z_Pos,X& ?3 d/ Y6 C" F/ f. M: Y
- LSR) W3 ~& S4 v7 s0 Q5 R
- LSR2 D9 Z) M( L( g) { P
- TAY
t# X. L3 e+ z4 p - LDA Bullet_Speed_Data_Ex,Y
7 P2 k8 ?2 q, I' q - STA Bullet_X_Speed,X+ ]* e6 F( L" O7 K; P
- RTS
3 E9 Z I! }( r% E0 g - # |% n* e' B4 ?2 d0 Z
- Track_Enemy_Ex_X_Less_End:
8 T+ Q- A9 j. {( T6 B - RTS
$ ~* T- p0 ]6 y8 R3 ?9 C) P6 X
, T5 G( q3 g: B1 [4 K& \- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X/ N) N6 \9 V9 `% f
- CMP #$03 z0 D( E2 r$ W" t
- BCC Track_Enemy_Ex_X_End
$ v% w9 q5 C a) ?$ b7 z1 M. R - LDA $6020,X
! k; g4 i! A# p. k/ v - CMP #$2A
& a& [) v Z9 Y0 A: Q8 w1 A - BEQ Track_Enemy_Ex_X_Greater_L1
6 Z" ^: u! A9 i - LDA Bullet_Z_Pos,X
+ x, e- [1 y% o; Z1 p) ^ - LSR
! { n7 f' m6 C x5 {$ | - TAY
* s) O' v& {/ o) B$ y6 S# R - LDA #$00% a/ |. O* E+ V: k0 N e+ v& e" }# Y
- SEC
$ a& p; H4 o* m5 a! h9 f - SBC Bullet_Speed_Data_Ex_R,Y
4 _0 K+ u& Y" `7 B - STA Bullet_X_Speed,X
1 y( Z# j* H! f/ u. r - RTS
8 k" |4 }4 o, {. ]' S+ { -
+ u7 V2 }2 `9 _0 Q5 ? - Track_Enemy_Ex_X_Greater_L18 u% [% l0 Y! d, V( o* Q
- LDA Bullet_Z_Pos,X
/ k. P4 r) e, W! x: q+ h) S! {! o - LSR
3 ?3 G/ S( p' Y6 x( r: U - LSR
7 g K" A3 ^+ f7 F1 S3 v7 p7 h - TAY
2 y v# I, M& h! e9 d7 R% J - LDA #$00
( {5 \( t; E$ E5 T. O" e - SEC
$ K# X4 m, z, c7 [- e - SBC Bullet_Speed_Data_Ex,Y- j# e5 B2 O6 T/ @) v0 }
- STA Bullet_X_Speed,X
6 M# |' l- O" P! X' R+ e5 S/ y& T - RTS
3 C5 v3 K* w/ q" w8 x; W - . c5 Z/ m+ h- b V* B$ m0 x
- Track_Enemy_Ex_X_End:% a! l2 H* d1 b% s! x
- RTS
* m- e: O) Y3 E( b -
, c2 w9 z, e& ]4 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)6 ~: f e) g. f' G
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 s9 \( \6 j5 j9 M/ @6 C5 K
- Bullet_Tract_Direction:/ y' [2 @% ^2 M+ p6 b$ f3 _/ u7 g
- LDA Bullet_Icon,X
7 A1 ?, U( N3 T \/ [ - CMP #$23# }, e2 r/ K- s+ W* D
- BCC Bullet_Tract_Direction_End: w9 |; g! b7 p9 v' C
- $ E3 G& T6 [5 K8 _1 `) w O
- ; X != 00 Q; b- b0 R, |9 ]
- LDA Bullet_X_Speed,X
* G( Y" ` Y9 b8 ?7 B( A/ Q - BEQ Bullet_Direction_V
; j% P( `' w( g0 Q9 O -
! H6 [; H! r8 V { - LDA Bullet_Y_Speed,X
7 G# Z& M/ q: E7 H. e; h - BEQ Bullet_Direction_H: D7 p0 B I0 G/ o0 O
- 8 p' d( E. L4 ]9 e2 l( N; @
- LDA Bullet_X_Speed,X
7 v& R) C5 C4 x* D - BPL Bullet_Tract_Direction_Right
. Z0 }" j6 B! c m - Bullet_Tract_Direction_Left:3 B8 u3 d6 z' d% J7 K, t! J
- LDA Bullet_Y_Speed,X' C5 K" p9 d" F4 R* |
- BMI Bullet_Direction_Left_Top
G& P" A$ k: d. m - BPL Bullet_Direction_Left_Down6 V$ D4 B' p, M9 H. O3 c* O
- Bullet_Tract_Direction_Right:: r% m- C* b) j! e, B8 ?9 o* w) b
- LDA Bullet_Y_Speed,X1 @& ~3 V! s5 ^! E2 g
- BMI Bullet_Direction_Right_Top4 M. E7 B8 @: C' j
- BPL Bullet_Direction_Right_Down
+ ^$ r( _, g g! p - Bullet_Tract_Direction_End:' b# \2 \# W: V, @, @
- RTS! f; X6 Q0 ~$ y* {2 ~" m5 g
' i1 p c( V ?) m7 D+ O- Bullet_Direction_Left_Top:
0 I8 c. F+ C U4 l& R, J - LDA #$25! D. g% h# m/ }6 R
- STA Bullet_Icon,X, _$ w1 m2 C) H$ l$ w5 g( ~
- LDA #$C0
$ y5 V, y3 y/ p( r$ k& M/ R - STA Bullet_Direction,X
8 _/ H" f* V( R, \& J8 W - RTS! ^" b( @* K% [5 N$ m D) p! b( o* h0 r `
- ; Q* D+ ^/ ^; @ }* p
- Bullet_Direction_Left_Down:! }- @2 s# l& y: u7 f
- LDA #$25# N5 j1 \$ ~; Y
- STA Bullet_Icon,X
) u8 y, j ~, E! P4 z - LDA #$40
. j" f& i# z& p+ }( U3 {+ z - STA Bullet_Direction,X# C' w' C' k8 h8 f3 l1 O7 X6 e
- RTS7 A- `1 h+ g' m! n
|& J5 A- A. z7 f- Bullet_Direction_Right_Top:
0 i8 _0 b. I# X/ D - LDA #$254 l( W7 ^$ c& c6 B2 F
- STA Bullet_Icon,X6 O4 ^" O4 W0 T. U
- LDA #$80: P9 B2 ]" _( @3 ]( D$ I2 x7 l
- STA Bullet_Direction,X- ~ p' M. | R' X$ G
- RTS
8 l0 L4 N* r+ ~- i" m - v- _! z" l/ ?* s: c
- Bullet_Direction_Right_Down:6 d. D8 @0 ]3 `) _
- LDA #$25" P o* t3 d% i w& x% p
- STA Bullet_Icon,X: Q4 Y. F3 @+ z4 j- b; v6 l- k
- LDA #$00
6 H6 L' l9 l" c - STA Bullet_Direction,X
( \" u' \( y3 @; [+ y, M0 L - RTS
0 E; y6 X" j* \ - / h4 f, V7 l W/ \5 I
- Bullet_Direction_H:, o: G7 u: z8 o
- LDA #$24
% F9 l0 x% t! v2 J - STA Bullet_Icon,X% m' O% I% \' o2 S3 s
- LDA #$00
. t F' Z2 W' M8 C - STA Bullet_Direction,X
1 q z1 k; N( o z3 ] - RTS
/ e# f, L7 I- b7 g
( `+ |/ k& r J/ C% E3 c" }' L& X3 X& g- Bullet_Direction_V:
6 b; E+ u- a& W2 {7 I: C" i- [ - LDA #$23
$ i9 O5 U) \/ C7 W) F" z - STA Bullet_Icon,X, u: C: j3 V& D4 F8 N" `% @8 U
- LDA #$00
: e/ o2 b5 E, Q- y8 _6 g$ K& | - STA Bullet_Direction,X T. ?* q( Z( N. J$ s
- RTS& H+ _3 z8 r0 y5 X. \
- N: ^) \) i5 `+ l: U3 U3 o
- Bullet_Speed_Data_Ex:8 ~! L' Y y( k
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
- \3 V6 \) T6 _8 x# c- ]" `7 ?* ? -
7 L2 x* X! g5 U) x7 d; }( Q$ h - Bullet_Speed_Data_Ex_R:; }1 o2 Q4 L5 ?( R6 W; x
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08 }1 i: C9 c% I; ?
-
复制代码
, ^% \( o/ n4 x6 C, K& P, ]# Z7 p2 {; o3 k/ v' k2 X. {
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