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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30 A# j0 a/ k8 ?
作者:FlameCyclone
+ x$ ?5 |% c2 O/ g1 _内容:
0 \5 J( c" p# g7 W 1. 所有子弹追踪敌人2 d# X# Y- O, ^" N$ @ p
2. 选择键切换武器
* } b% _8 `) v, ]1 C; m 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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6 M4 l/ c w8 j. d7 F% |- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁' \5 x5 V: l- i5 O9 X4 D! o5 l3 @
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L' r7 @8 j) Q g$ p
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
; M7 h$ t+ W: ~3 ]' s% ]; `5 I
8 S. ?- S0 k9 i, E% e- ;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)
( B! \% i) P: w# l7 [0 x2 V - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# R6 D! Q0 v* s, K) h! J8 q
7 c' ]% C& A0 s# e. N9 i: Y, w- Track_Enemy_Index = $6000
: M: u% ^$ H) e6 p4 m: X8 U' E - Enemy_Index_Begin = $6010" O. A5 `* R- C( d9 b' J+ {9 a" N
- Enemy_Index_End = $6011, o! k1 a' M% f: L" V
E6 F6 W4 q6 e! H! W+ p" j- Loop_Index_I = $6012
: L" T f9 S. ? - Loop_Index_J = $6013
# f; T2 ?9 c5 [% ]$ j# [# F - nEnemyIndex = $6014
1 \9 @6 ?- L! P$ `3 V& ~2 e$ l- Q - Data_buffer = $6015
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- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
5 P9 l( M2 [; d- m+ ` - Bullet_X_Pos = $03C8 ;子弹水平坐标, h' x1 O# B7 i5 B5 q* u
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
0 G1 |8 D+ N S- w - Bullet_X_Speed = $0408 ;子弹水平速度
2 ~% ?2 k$ O& H6 x& X - Bullet_Z_Pos = $0418 ;子弹Z坐标) @% m o: ~2 V& {
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
% i4 l2 j* G9 i# n
% C: ^2 U" A2 o l! H3 M7 r _) 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4 \- | T0 \: |0 z
- Enemy_Blood = $0598 ;敌人血量$ Q/ ]' e2 V$ \5 I _4 F
- Enemy_Type_Addr = $0528 ;敌人类型) d" v, l. s S0 |
- Enemy_Blood_Addr = $0578 ;敌人血量' y# d( q9 S! c: \$ e
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
- D& D) R0 m. P ~. h - Enemy_X_Pos = $033E ;敌人水平坐标 P1 b2 M( O% H" l: x) g% B8 A
- Enemy_Y_Speed = $04E8 ;敌人垂直速度2 h+ K* T& l& g8 c+ `" l2 @$ Q) H( W8 p; k
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸+ t! Z. }. L" {. O: E
6 F9 j* e4 s/ w$ ^- Enemy_Index = $83 ;
' z D ]. k/ g - Time_Count = $1A
* B- u8 N1 C' F, J% ?5 V - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率; G* v/ P$ V. A- o' [9 _
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
- k$ `9 T- H5 g - $ o9 } v) O6 _
- . H7 r* w" d& ^: ~0 g Q, a
- .ORG $6100! A7 r$ o4 D5 l; R* m( W, o' g+ @
- Process_Begin:, M& t* s0 E% B1 }4 G4 }; B# u
- JSR Enemy_Check
& F `0 m9 U3 P+ T0 M- w - JSR Track_Enemy_Check
9 T J! ]: }6 ?" g" g L: L - Process_End:
J! {1 C! o* |) ]; O - JMP $E54F
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( M( j' ^, J4 z# U4 p+ b- Enemy_Check:
: H* ]! D" w% ]" Q7 l3 M - LDA Time_Count
5 x" v, W+ Q- O1 W! E - AND #Track_Bullet_Speed
# c9 b* I- G6 Z - CMP #Track_Bullet_Speed' o3 F6 _8 N# }, o
- BNE Enemy_Check_End3 x2 {5 e( [0 v* R
- LDX #$0F
0 r( g# Q. L: j/ V- H. } - Enemy_Check_Begin:
9 B, }5 M6 r3 C5 \* w/ I5 y( M$ p - LDA Enemy_State,X
& N+ i# ?( O+ k* O$ M' j1 y - BEQ Enemy_Check_Continue: W) v, C5 V* q6 C
- STX Enemy_Index
2 h4 }9 M$ j( d$ H2 b. M - JSR Find_Begin_Enemy
7 u8 F8 O0 |+ o% J: m - JSR Find_End_Enemy; X# B( ? m7 n8 R
- JSR Bullet_Track
9 L9 ~) V* V9 T2 o& h -
/ m+ h. S, J3 A, s6 a - LDX Enemy_Index8 \. Y( D7 h4 |. N- x% W! A+ {
- Enemy_Check_Continue:
: b9 q' [, y& i( ^ - DEX
& {; ~7 u. R" @* k - BPL Enemy_Check_Begin ]0 l( u5 {2 N
- Enemy_Check_End:
3 p( x, s/ `9 ?. Q* L& A, } - RTS
: \- a% G4 V: K& K9 A -
' V: b1 c. \, n5 E' g- @" H - Track_Enemy_Check:( E' z, P/ P2 h, ]) n
- LDA Time_Count
5 Y l- V4 e4 Z: R4 d7 s' } - AND #Track_Enemy_Speed- O. b! X) k& I5 k+ n
- CMP #Track_Enemy_Speed9 Q" s+ J0 z2 a: x
- BNE Track_Enemy_Check_End
0 a9 f8 b6 P$ P8 S5 p - LDX #$0F
8 U2 t2 t6 ^" |+ _2 v - Track_Enemy_Check_Begin:
; c0 F" l- P1 p- _" x2 G, } - LDA Enemy_State,X$ U6 n+ T0 D* w i( R& e
- BEQ Track_Enemy_Check_Continue! C" K) d7 u+ b+ R) e+ O" U
- STX Enemy_Index6 M2 x5 p+ }( {" y& |5 j0 \' L
-
' m3 r; s9 a" G' s# | - LDA $40
1 Z; j+ }' A5 j2 H - LSR- S: ]# @- V$ c
- BCC Track_Enemy_Check_Begin_L1, u! u O) g1 J9 O. c0 D D
-
; A' w! F6 y# F* k8 B) A& c6 _7 I - JSR Track_Enemy_Ex ;2, 4
) s1 B; ]# w+ P& V( {& w) U; l4 a0 } - LDA #$00
) P" S f( R$ x) ] - BEQ Track_Enemy_Check_Begin_L2
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- Track_Enemy_Check_Begin_L1:
) V8 j; E: O/ p1 y - 6 x+ ]* Q9 w+ y# D; J W
- JSR Track_Enemy
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- Track_Enemy_Check_Begin_L2:
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- LDX Enemy_Index( B1 X" o; N' c+ q+ b1 M
- Track_Enemy_Check_Continue:) `2 G# _& }, w6 e, j- z
- DEX. t; G' ^5 x- x$ P0 j4 N
- BPL Track_Enemy_Check_Begin
: X$ d# ~+ }) j1 g+ b$ a- Z - Track_Enemy_Check_End:6 n Q0 ^- J% L) A3 }8 H
- RTS
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, I2 H8 T% O" m* A- ;查找第一个敌人
. |; N; C/ e) z( {% x# H" }8 L" i - Find_Begin_Enemy:
; k5 v( R. q$ y' a! e9 N( ?' v - LDX #$00# @1 p- F; f& H( F1 z
- Find_Begin_Enemy_Check:
0 b! ?1 C: X! v" w - LDA Enemy_State,X
1 ~' ?7 D# v6 F s - BEQ Find_Begin_Enemy_Check_Continue2 v/ f+ W; J @" l% Q
- LDA Enemy_Blood,X0 n- O0 }# ~; H, v1 o
- BMI Find_Begin_Enemy_Check_Continue
R! O- y+ G, ]+ \ - BNE Find_Begin_Enemy_End& \0 t3 L$ Q. \9 j6 d/ I; m
- " O! H3 z$ g; h0 ]0 I. t
- Find_Begin_Enemy_Check_Continue:
( o6 F ]5 O% k - INX1 S" b5 P) u+ D# `: l V, q
- CPX #$106 T7 K* Y) G: o# p1 o
- BCC Find_Begin_Enemy_Check
0 k; X9 E. Y$ d6 E, M" i - Find_Begin_Enemy_End:& i' N, l. x/ @& M4 ~5 i
- STX Enemy_Index_Begin
% t) Z) Y0 ~- r+ i$ H" _ - RTS
4 B- @. w$ @2 n3 I5 J4 z - % x: r% ~' W5 F( e# ^
- ;查找最后一个敌人
3 I* @2 Q2 m7 v% x1 j - Find_End_Enemy:3 y# w2 Y- }( T
- LDX #$0F$ X/ G* ~# W0 q7 t G$ R
- Find_End_Enemy_Check:% W: y- d2 b: ~- |$ q
- LDA Enemy_State,X* G' Q- s, ^/ n( E- ^
- BEQ Find_End_Enemy_Check_Continue
9 R n) ^. o; [, G' f - LDA Enemy_Blood,X3 H8 \4 N) I1 q
- BMI Find_End_Enemy_Check_Continue
9 Y0 M' s( n& S! F' I - BNE Find_End_Enemy_End
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- Find_End_Enemy_Check_Continue:* P) L# s, U6 w1 X I
- DEX
1 ]' c+ {( t+ x - BPL Find_End_Enemy_Check: ~2 [, |2 l; \" M+ W- x6 {
- Find_End_Enemy_End:6 D6 T8 P5 P' c4 l& U, `/ }
- STX Enemy_Index_End |( X& i) ~4 \5 s+ k& {* M
- RTS, ]- ]9 Q5 s8 C
) ?' Y* ]. w' P2 ~: z2 N# l- ;子弹追踪
; H) n# u$ [% W5 }8 _+ B7 d - Bullet_Track:
! X% N) V! e% F( r( T5 I: |' j - LDA Enemy_Index_Begin3 B. X) @' |, d# k
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
9 {( y6 \; l/ e( {+ P8 K7 n - LDX #$00 : e9 N+ I1 ^' a* Q7 u- K {0 D
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
) l" _9 ^+ O3 ]# N; r- S - LDA Bullet_State,X4 _4 h: B7 L0 e( @) t
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;9 N! {: Y: X- S* l0 h9 M
- STX Loop_Index_I! I7 \+ X0 e' x; W! J, N* x: L
-
+ F- A3 L2 ^) j2 L9 |8 i - JSR Bullet_Track_Enemy
O: K) n' L$ I/ s; r - JSR Bullet_Tract_Direction
& @5 L! E7 v( b; D' n u' @5 W: m - 1 F% H+ O: c( K7 G. s' [0 y
- ;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
( n y% \1 C% ?3 z! t& v0 I/ e! E - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
`% M7 [ T! g - LDA nEnemyIndex
6 f. a/ U7 E$ j# T5 g2 l - CMP Enemy_Index_End4 w" s6 B3 Q" c6 v+ V+ I
- BEQ Bullet_Track_Check_Continue. H+ A6 D A1 s# ~1 {
- BCC Bullet_Track_Check_Continue
+ u% W, T& n' @ p5 H - LDA Enemy_Index_Begin
, _" L, ~2 U6 ~& b( @4 h - STA nEnemyIndex1 U! u- F. a4 c& ^5 S" A
-
( ~- W0 ~9 w, `4 R - Bullet_Track_Check_Continue:: P+ q2 ~. L2 i) R ?, r* w
- LDX Loop_Index_I- K3 N! w$ z# I, r
- Bullet_Track_Check_End:
8 A% ]7 i: W8 o+ M: l/ j& o - INX
) Y) Y+ e% M5 v. M; ] - CPX #$10
" b4 [0 u! K* k: R - BCC Bullet_Track_Check- C) M% v8 L$ G3 H; d
- Bullet_Track_End:
% n& ?7 n# E) I/ c. y - RTS7 m8 a! R* c5 W/ g
- . B) k! F3 T* I; T& A
- ;给敌人分配子弹
; u1 k( o2 ~' Z) y - Bullet_Track_Enemy:
( |: S) D% H5 f( d$ b$ @- a - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)0 R0 L" m! ~( |1 ^$ ?, J3 C) {
- Bullet_Track_Enemy_Check:7 t2 a' S p g7 t
- STX Loop_Index_J
1 t# X& Q* W" d - 3 Z. D- i2 Z. }" X
- ;if (0 != nEnemy[j] && -1 == nTrack[i])$ H- J& v8 U2 q# ~8 t0 q
- LDA Enemy_State,X
2 c7 X4 _: q1 Q& v; m' ^4 r - BEQ Bullet_Track_Enemy_Check_Continue
1 z: N0 q ]5 @' P. z - LDA Enemy_Blood,X/ o& O2 ]6 t9 P$ w
- BMI Bullet_Track_Enemy_Check_Continue5 ~7 b0 b9 Z) }9 b$ ]
-
5 r# v% G+ O) Y9 _ - LDX Loop_Index_I
$ F' y6 [% I; \- T# Q Z9 w- ? - LDA Track_Enemy_Index,X+ g# |& h% |" ]2 K9 z9 ~7 Y8 z. b
- CMP #$FF+ D6 y4 k6 b+ r( x/ k9 s
- BEQ Bullet_Track_Enemy_Init4 h5 ~. N4 k0 t4 Q3 B5 r1 H4 V
- , P- n4 I- y5 |: `. @
- Bullet_Track_Enemy_Init:# |: ?: i* @: p
- LDA Loop_Index_J
# D3 N! A3 \* C9 I! q5 {- D - STA Track_Enemy_Index,X ;nTrack[i] = j;
( \. r( r6 k4 ^: d/ O; N - $ E. I3 l$ k/ g& c1 T
- STA nEnemyIndex! m- x0 s$ d4 _4 {
- INC nEnemyIndex ;nEnemyIndex = j + 1;+ z! S1 b5 I# g T
- RTS ;break;8 D7 a# ]$ e$ U3 H% Y
- 2 d+ Y; Y% C: O* u
- Bullet_Track_Enemy_Check_Continue:3 D/ S/ {4 f3 \0 B9 x" x l
- LDX Loop_Index_J
- I+ [1 o; C, s7 i! b - INX ;j++6 |. u8 \* r# X# K; t& {
- CPX Enemy_Index_End
: F7 q" d4 L V. J8 R, ~, O! Y1 ^' y, X - BEQ Bullet_Track_Enemy_Check1 B! j. @% i3 U8 m9 E
- BCC Bullet_Track_Enemy_Check ?5 h, ]- \: w6 Q$ V
- Bullet_Track_Enemy_End:2 E3 m" K7 H \6 X' |8 S1 p" |
- RTS7 f: I4 L' p7 m2 O+ z' B
! G7 G- L9 R* L4 r- Track_Enemy:
' X! X5 g+ p9 W1 E9 O0 Y - LDX #$0F
! R( d( b8 M. n8 @: E - Track_Enemy_Begin:
4 w# P! C5 X2 H' H - LDA Bullet_Icon,X
9 U3 h0 U1 P7 X! I - BEQ Track_Enemy_Continue- O% |& e. e/ N, S$ b0 i( d7 C
- LDA Bullet_State,X- t( \. S# D4 N/ h4 i+ m
- CMP #$01
6 B. W& P. b* ~% z - BNE Track_Enemy_Continue, r5 _0 L- y9 r z) [* T1 g
- 3 f( n& V$ \! m7 W, }. W2 E+ V
- JSR Track_Enemy_Process- J+ B) T- q; \8 {% c8 L
- " D' O2 J5 e- c: Q9 F- {
- Track_Enemy_Continue:
* |2 G* W& `, F0 V- H - DEX" ?+ S4 ]$ s% S [; p k
- BPL Track_Enemy_Begin
. A2 f2 o! }5 m5 C* v* O2 ] - RTS" m! e$ ?9 D4 q) [7 ]
% G" l2 |2 N- ~& d5 k" r- f# Y \- ;普通关卡
& [( P1 ^" g( o( {- R' t - Track_Enemy_Process:& x- M4 j& Z0 K8 d
- LDA Track_Enemy_Index,X/ _1 U2 k0 y5 Y- Q1 f
- CMP Enemy_Index. H* ~$ h! {& T5 i
- BNE Track_Enemy_End
/ i! \0 ]+ E, e1 O4 }7 N+ A - LDY Enemy_Index
U2 ~. p1 \9 @' G! D3 [ - JSR Track_Enemy_Y
! N% h6 J) N" A h2 q) D) k - LDY Enemy_Index( {: n! |6 i+ X' _
- JSR Track_Enemy_X
4 m1 u2 a! x! E& i& O - Track_Enemy_End:" S, p& a$ T4 }/ E! G
- RTS
& B. U. u5 X, v7 d) O - 4 d! `' a, M" E' M) [8 F
- Track_Enemy_Y:
% D9 v. X8 b# ^4 p$ T% W& g - SEC
/ F; R3 U0 k2 {7 U5 \8 f; n/ M - LDA Bullet_Y_Pos,X
" r: q; Y V4 @9 I - SBC Enemy_Y_Pos,Y
0 ]7 M5 ?! E: }% v5 r - BEQ Track_Enemy_Y_Equal' D/ h7 G. l( ?7 r
- BCS Track_Enemy_Y_Greater
- A0 B+ k2 d7 k/ k) k5 I s - ; t% s' o2 Y; V( b
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y: z1 s9 f, G9 F" l
- CMP #$FC) \. D/ f' k$ j; k5 ~* q1 t
- BCC L1_1) n7 R: c: p' m: x$ A/ Y. O! @
- CMP #$FE8 ]% R8 t( f, d1 W7 r
- BCC L1_2 t0 g) R2 g1 i* H. n" m% H
- LDA #$000 `' ~* e& R4 B, {; l8 L
- STA Bullet_Y_Speed,X
+ d7 \8 n3 f4 z- D$ |0 Z% p - RTS
8 g* A5 N: g4 ^* \6 r - L1_1: ' J6 H; Q, n" l: `5 [
- LDA Bullet_Type,X
6 u7 l- x6 ]$ U. L - AND #$0F
) r( z( X. l( x - TAY
+ W% G* q) n" c s$ D - LDA Bullet_Speed_Data,Y. S7 Z8 Y8 W( \- d& ]
- STA Bullet_Y_Speed,X
/ U" t9 ` n$ h: j# O( o% C# E - RTS
e# [9 B7 n' j
3 y9 F3 n2 T6 F. O. [- L1_2:
. |( v9 R) I/ O `, C - STA Data_buffer- o0 V/ U1 ~+ U/ s" S, F3 ] [4 Y
- LDA #$009 _2 q+ x. J' B g; ~
- STA Data_buffer0 w& `; ~, r3 B q; q {" @: H# {
- LSR- P% o2 T. y( u- f1 S( x
- STA Bullet_Y_Speed,X, o0 y7 M. N) o0 S+ m9 W
- RTS
- T' u* i) x4 f- M) B4 q) _3 e$ r( K - . |& a, q, a1 i( l3 N
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
. c) u7 H) n) H - CMP #$04
. G8 ~( }. S5 E2 @ - BCS L2_10 m) K9 K8 |4 F4 g# F; U/ p: ]
- CMP #$049 k$ a. I, [. }0 J: `0 X( `$ k
- BCS L2_2
8 h. x$ [5 b3 K+ u+ s. X1 f, b - LDA #$00, M( m0 J- E9 ^3 z! }
- STA Bullet_Y_Speed,X+ K+ {" ?9 }% ~5 H2 K: q
- RTS: H$ H7 y1 N8 n( }
- ! h9 {, Q4 J+ _2 r# @
- L2_1:! L2 P' P1 P' C9 x
- LDA Bullet_Type,X
/ Q. l$ x: J% P, z+ |1 K ?0 [4 F: g - AND #$0F
# p% I) Z$ Z+ } - TAY
4 y* o: U: K7 |+ b0 M+ Q - LDA #$00
6 _3 V1 y; O. D7 B - SBC Bullet_Speed_Data,Y. z! V6 i* g% s! f- ?( t: \; q
- STA Bullet_Y_Speed,X
8 \' Y+ E' G! I1 B7 D7 \ - RTS
6 l9 _# @. E4 }7 N9 H - * a: z& k$ Z! B6 [4 v
- L2_2:, U% n, m9 Q2 L8 @, o; `
- LSR
6 X5 |8 r' ?1 L2 e( Z8 ` - STA Data_buffer1 N, a3 x# H) i. B. w$ Q+ |: S
- LDA #$00. [" q0 F2 S: j7 v
- SBC Data_buffer
3 g, ]/ ` n/ W1 l3 Q - STA Bullet_Y_Speed,X
( u" ^% l/ e4 V" @ - RTS: M, r. g3 u3 _6 b; G
- , j; n8 C9 e7 P {) v5 L, b3 l/ \
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
$ P: t! u5 z3 I/ q; |4 }' B3 C* x - LDA #$00! k5 l* f) _ d6 f' P7 k# E3 P# P0 v
- STA Bullet_Y_Speed,X _& [5 }0 ^2 S: d
- RTS
* v- _+ U) z1 _ -
& K7 |5 A/ @, u+ V - Track_Enemy_X:
, @) @: H7 c, N1 a) t, Y& Q5 q - SEC
: y: U( l$ v7 y( F% h, V2 M5 b1 w$ S - LDA Bullet_X_Pos,X
6 c1 _+ m. B( R- Z7 v - SBC Enemy_X_Pos,Y
+ k* G S2 E$ w) ^. @ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X( V) |6 D# p. I/ J
- BCS Track_Enemy_X_Greater ;子弹在敌人下方; G2 [5 g9 p% u6 |' X/ d
-
9 ?! |: |* l, ]5 ~- K6 R - Track_Enemy_X_Less: ;子弹X < 敌人X$ Y; ^" X9 Q4 {
- CMP #$FC' R8 j/ M6 @/ L7 m- c9 p: L9 h- E: p
- BCC L3_15 f, o0 Y9 ^: }, o, L9 ]) d
- CMP #$FE
, R7 }' g# A2 ? - BCC L3_2
" _& k9 u+ {0 i# Q$ Y# W* e, {$ n - LDA #$00/ a7 \5 t7 @" P5 H
- STA Bullet_X_Speed,X( D4 z: j: M0 Y* P$ Z; P
- RTS' v& h. l7 N9 I! j; y. r6 F0 Y! F" K
- L3_1:
/ c& H5 i+ M, m$ r* a3 I7 d - LDA Bullet_Type,X3 B Z% ^: t3 p! ~
- AND #$0F
- V% B; c0 D3 w, b - TAY
) c! J4 {& }0 Q% `3 f( K - LDA Bullet_Speed_Data,Y I2 l/ I; E) D$ y! }3 Y
- STA Bullet_X_Speed,X
; s4 ?6 i4 }. f; ?8 Z - RTS2 i2 H7 z8 y; Z# n' d# F6 ^
- L3_2:
9 C9 k, d8 y/ \! U/ U( A( } - STA Data_buffer! D5 I6 f9 q( p& s% R; J# L
- LDA #$00
9 V8 F, ]- z( ?& q) m - STA Data_buffer* b- G4 V4 `9 v$ d- ?% S
- LSR
0 s+ m9 q5 H( [* S! Z& o - STA Bullet_X_Speed,X
5 X- w' ~2 O( J) c# s# K- H8 v8 `# m - RTS
/ [# G, z! b( K+ Y9 l7 }6 G -
' S! I# S) O) i- ^ - Track_Enemy_X_Greater: ;子弹X > 敌人X
4 [+ k% _- M+ e* K7 M3 @/ _ - CMP #$04* ?5 x4 V7 N& m H$ H
- BCS L4_15 {! @# V) B2 \& T
- CMP #$020 V3 `+ k; W {$ {" t* g$ v$ C! P
- BCS L4_2
5 ]( P7 H0 q: p. P s0 l - LDA #$00
3 {% ] l# u) m: Y3 ]+ q - STA Bullet_X_Speed,X7 u- j$ c6 d! @+ Q8 M7 E
- RTS6 i1 X6 O1 x; V8 L. C
- / |& Z' G8 n0 x
- L4_1:
4 a b1 w. H- N6 k; U( o - LDA Bullet_Type,X* L( |6 x: @) k- K2 X
- AND #$0F0 Y6 v8 H8 D9 Y) g+ w5 {: P: M( s
- TAY5 {7 K- r* S8 I8 E3 U0 B# M
- LDA #$00- k" ?) m+ V/ [2 c
- SBC Bullet_Speed_Data,Y
. k# g, S" D8 r2 d, D - STA Bullet_X_Speed,X
L B! r# _$ U8 a - RTS/ d( J+ U" I# m- a2 O2 V) ~+ P
- L4_2: " V0 M; s2 S4 _3 k' F
- LSR
# x- p4 h5 m/ L4 I2 R - STA Data_buffer2 n2 u# t1 U3 U$ y
- LDA #$00; C3 B }5 `$ T' t. ?
- SBC Data_buffer2 M; h3 [9 Q, j+ y
- STA Bullet_X_Speed,X
' M, I7 f+ i) D3 Z; @, D; ]/ u - RTS
: S$ |' W. u: V; }. H$ B. n+ Q5 l -
! A; W+ e, B8 G4 R' N9 P& f7 y1 p/ m - Track_Enemy_X_Equal: ;子弹X == 敌人X
2 f) q/ N* w% [0 g - LDA #$00
8 x4 T: P9 p: Q% G9 R: R2 `2 i7 } - STA Bullet_X_Speed,X' J. K1 \. }, r" R
- RTS% c+ o Z8 R; g% g+ C1 G' W
- 8 K. m' D! L5 P- Q& q- i
- Bullet_Speed_Data:
0 ^9 w/ w, [) ^- _7 p1 B% F - .DB $00,$03,$03,$02,$03,$03
; j3 X2 h, K$ s( \* j; R - 6 i0 s' M5 E% e: N$ B8 g
- ;2, 4关* b3 x8 Y) |/ y, u
- Track_Enemy_Ex:, ~4 c5 @ ^+ e S5 Y
- LDX #$0F
7 ~. i% o3 H- U" Q! Y - Track_Enemy_Ex_Begin:1 K9 S: { V9 H$ A3 R/ i$ m* A
; k6 [) J- B8 c# b- LDA Bullet_State,X
* Q4 G/ N! v: R R ? - CMP #$01
. r' C0 u) I' M/ `0 ^! C - BNE Track_Enemy_Ex_Continue
$ A- {* G+ y) _" a P -
/ u9 t* _+ ^0 u4 O: U - LDA Track_Enemy_Index,X
, @( f5 ?: n: \' k - CMP Enemy_Index2 B& J% r* t5 h2 K0 p( p5 U
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
% M: N$ S/ c- m5 s# O' T - 2 D+ q' h) L& \
- LDY Enemy_Index5 w9 w9 G0 l; k* x+ c3 G
- JSR Track_Enemy_Ex_X
2 L- p( P9 Y9 ]; ~# ~ - 1 k7 E0 x- I& K3 ?: y
- Track_Enemy_Ex_Continue: ^+ H! [7 h/ Z; S$ T4 r- C" d( @
- DEX
/ Q4 }& |6 m+ S B7 K - BPL Track_Enemy_Ex_Begin
x* M" ^1 G ] - Track_Enemy_Ex_End:- G: E7 j) f2 f0 X
- RTS
1 `& O( X ~# e. I -
. {% L/ q6 l7 b3 |5 P# q/ X2 j - Track_Enemy_Ex_X:+ |: V6 w8 |* i1 s
- ;LDA Bullet_Z_Pos,X% [8 E) M0 E! Y; O2 n
- ;CMP #$04
% d- m0 E6 H: a3 d* l( v - ;BCC Track_Enemy_Ex_X_End' U0 N! g8 E. {0 y1 f" h
- SEC y' C( u, D4 z% S
- LDA Bullet_X_Pos,X0 b7 |* I! @; Y5 |1 [
- SBC Enemy_X_Pos,Y7 O; K! M: o" \" j9 h; C
- BCS Track_Enemy_Ex_X_Greater
9 u4 L9 s: f! D! m% w h - ; p- H9 q3 [* A1 \5 n! `
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
& w% l3 Q& r% e8 y- N% i - CMP #$FD# U' z- Z6 S/ U+ h h4 x+ M" M
- BCS Track_Enemy_Ex_X_Less_End
i3 {$ n. x8 f* f% v r2 B - LDA $6020,X
; @" g' i. {' E5 G5 { - CMP #$2A2 Z* s% r; t$ J6 X9 q6 ~- N
- BEQ Track_Enemy_Ex_X_Less_L1
. f# k8 X4 V4 [& u - LDA Bullet_Z_Pos,X0 K& N6 i9 l! _) ?6 F& o. c( c# q
- LSR
; M1 ^3 B: e% B6 p! q - TAY
0 ? u" p3 @% m3 P% J% D - LDA Bullet_Speed_Data_Ex_R,Y
0 j7 q" [9 x; B, O9 P4 I8 v F - STA Bullet_X_Speed,X
4 B$ G& r' G$ U& E+ U, g6 n - RTS* G8 g9 {$ |2 L4 {
- Track_Enemy_Ex_X_Less_L1:
/ \) Z( ]! h- d
1 [- `# h+ H) m5 T' j; Q$ a- LDA Bullet_Z_Pos,X) v0 p' o7 s3 G8 _7 q7 b4 R
- LSR: `6 g4 {1 W- P- z M s) r) G. p
- LSR( G, ~& X& C+ R7 O5 a
- TAY
- W. D- X# f& i4 M& @1 J3 G" f: }- H - LDA Bullet_Speed_Data_Ex,Y
9 Q5 s6 s- x! ]# v# P - STA Bullet_X_Speed,X* s [- w/ R/ C$ ^6 f) m: A! e
- RTS( |. K& G/ z7 ]2 C$ F5 E/ u _3 p. h
- * ?' k! P6 {" ]
- Track_Enemy_Ex_X_Less_End:
" N. N! b2 F0 }+ ^6 q* h+ x! N - RTS
5 z7 w1 ~, n( F+ k; U
8 S/ @( Q2 F7 B. v4 W7 T/ j6 P- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X: x2 q: A1 `9 ?% {$ G- j- s
- CMP #$03& T& s5 T: k) Z7 U r. S v
- BCC Track_Enemy_Ex_X_End
P0 }; B2 |) } - LDA $6020,X
% f5 n6 p9 m' K$ B* H1 W' A; z9 a2 M0 d - CMP #$2A5 L5 d- O8 @3 L3 E( j& |# @; d
- BEQ Track_Enemy_Ex_X_Greater_L18 p; W6 W: C. L5 W( u5 }
- LDA Bullet_Z_Pos,X0 v' e) d0 ]# a: N! z$ M7 T5 o' i
- LSR% ^3 W' |) [1 V. r/ ~: H
- TAY6 ~) a, a& d9 F( j" J
- LDA #$00
! `" ~. `$ t* V; t- f: } A, A - SEC, d+ E, \- o4 q$ v$ `
- SBC Bullet_Speed_Data_Ex_R,Y
?1 k, P5 G8 E" s% H2 Y# n8 k - STA Bullet_X_Speed,X+ J3 I n7 e1 ?& f
- RTS, D; e, P0 ^/ N3 K
-
" i' S8 z1 w' ^; ]" q - Track_Enemy_Ex_X_Greater_L14 o3 I O8 U+ u6 e8 u( j+ z, o
- LDA Bullet_Z_Pos,X
$ R( }0 o% D3 N" `/ F2 N) i& R - LSR% `& y1 S4 S( v, I4 s+ B7 f
- LSR
. ?$ h3 [& I; \6 [! c - TAY9 I: u% f- E: ^7 h* B, r# F5 h
- LDA #$00
1 C, D+ D5 s2 V6 }; m. k# } - SEC
8 f! Q9 `& X+ Z. K - SBC Bullet_Speed_Data_Ex,Y
( S1 g/ @' n# P$ u: q - STA Bullet_X_Speed,X
+ E$ j8 ?1 v4 f# m2 Y - RTS# t4 D, i4 w: M; @
- " U; B; r; m8 D0 `4 q8 X
- Track_Enemy_Ex_X_End:
8 I3 B; h( q" C: D, ~ - RTS
* |3 ~% d% N, d - " E& ?* X8 a7 W* j: J 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)
0 R/ \" w# Y- ^4 u8 l8 i - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上 g" e/ G% E2 g8 O
- Bullet_Tract_Direction:: V) }8 M- o3 o
- LDA Bullet_Icon,X& J5 x1 ]$ Z# X- b" {, S; V+ T
- CMP #$23
2 k2 n! [ q) I. V3 l+ d - BCC Bullet_Tract_Direction_End. v c1 R6 S% Y2 M/ V& y/ t
-
# g, `% w( L- i( w4 d - ; X != 0
# z2 t: E6 Y% m2 P; N3 h9 f1 T - LDA Bullet_X_Speed,X% A* f. b% t- R6 a+ `
- BEQ Bullet_Direction_V1 S3 p) O# x' }5 l1 f
-
/ u& b2 M3 z, t/ C3 _ - LDA Bullet_Y_Speed,X
8 J( h7 O) I! U, e - BEQ Bullet_Direction_H
, ?. y6 v6 t. r8 S# R -
2 ~/ @( D) y* g' l9 e3 J( h8 s" Z - LDA Bullet_X_Speed,X
" K7 M1 d$ V; D$ R- N9 a - BPL Bullet_Tract_Direction_Right# I: b3 L/ _6 W0 f2 Q, B
- Bullet_Tract_Direction_Left:
9 X# \* H8 S7 b: v2 S - LDA Bullet_Y_Speed,X/ p7 N5 }6 {6 V0 Z# n/ \
- BMI Bullet_Direction_Left_Top
1 c3 [% U$ T5 [# a. n/ q( i5 ] - BPL Bullet_Direction_Left_Down& w: }: v1 l9 `4 u- E
- Bullet_Tract_Direction_Right:
) g7 l1 X% Z) ^( f - LDA Bullet_Y_Speed,X! ?7 g" J$ V; B6 z2 G }& R/ m( x
- BMI Bullet_Direction_Right_Top
1 n2 k/ J0 | x - BPL Bullet_Direction_Right_Down& j- _! R! G( D8 C/ e! T
- Bullet_Tract_Direction_End:
- a! U2 I! E, o - RTS' K* }1 W+ ]+ C/ q1 _
- 0 T. b6 E2 n2 \: k9 t
- Bullet_Direction_Left_Top:. G [0 `9 b2 R. [) a, g
- LDA #$25 U- c' Q9 a6 Y0 W" c8 Y/ Q2 l8 ]
- STA Bullet_Icon,X
" ]4 ^; w, h8 h7 \1 Z - LDA #$C0( {4 S: K; u% [5 r1 z
- STA Bullet_Direction,X; G/ S4 I: d) l5 }) J) f
- RTS( N: m: s" Y5 `4 N2 o) x
- ; H _' N# V( j5 Y/ m. {' A
- Bullet_Direction_Left_Down:' f7 x0 J0 p* b" v" h" p4 z2 Y! T" E) S
- LDA #$25
: P4 M1 J, Q1 A. i2 S0 N4 _+ ^ - STA Bullet_Icon,X
" k9 ]9 k/ I/ N; V6 o - LDA #$40
2 r* G: |8 i9 x- }4 F9 x! z/ ` - STA Bullet_Direction,X
) Q1 M- m/ x D* ~5 V4 { - RTS
6 R6 ?. L( @2 O/ c$ `# _0 W6 M - ; {6 ?2 \# q! D" n+ e
- Bullet_Direction_Right_Top:
& P6 p- d1 _( Q; F - LDA #$252 V4 p/ S) o* G* [' T
- STA Bullet_Icon,X5 h/ W6 x7 x) O! v
- LDA #$80
7 O0 ^, ~* A- J7 [0 h. ] K& | - STA Bullet_Direction,X
% `% V a+ _- _; c4 e% }; \ - RTS# V6 i: i9 f6 F% D" E. t9 G1 D& }
6 K5 {; U6 a, Q7 n1 u- Bullet_Direction_Right_Down:
& X- N3 I2 U% X7 ] - LDA #$25- Y0 ^7 E3 z; a- ]2 e, `
- STA Bullet_Icon,X
" B. l: I; l3 T! X - LDA #$00
9 E; {7 O, }+ t1 i4 O - STA Bullet_Direction,X
4 X6 k' \1 A8 ^& D - RTS
$ ]5 K4 p# ^6 a% E$ C# m+ S# o - ; f0 _4 ?# k, M# Z7 \; o
- Bullet_Direction_H:1 E/ Z9 H( J! L0 K* X
- LDA #$24
1 k C! ]/ b6 |" O2 S8 H - STA Bullet_Icon,X
& \5 Y: k) r# Q8 U - LDA #$00
( w; P W& y/ m& N+ o) q - STA Bullet_Direction,X
0 c2 P' m) O3 m. z* z) y }* v5 V& w - RTS$ L- \, D( X5 c: }6 [4 I; h3 {. J
7 Q% Z% M% k" F c- Bullet_Direction_V:2 P: R9 g4 I6 o8 ^& O4 D, @
- LDA #$23
: A, T! @ l; P0 a1 e - STA Bullet_Icon,X7 O$ Z; q' S7 {0 y5 n
- LDA #$00
, ~+ G% c7 ], q0 V5 w5 [& }' G - STA Bullet_Direction,X( s6 y3 r. T6 `& ?$ k: a1 V
- RTS& [ V& N6 E0 @ G! b( U# I6 b) U
6 O" C* ~# g4 ^# ~- M- Bullet_Speed_Data_Ex:
7 }8 |( k( G3 Z/ I5 }# J - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
/ a) }- m, {2 k5 \7 W( x+ k -
3 H, h n: c* }& G' s - Bullet_Speed_Data_Ex_R:. h! T& m& i& `4 g
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
+ d+ \) v8 X, E0 ?3 i* d -
复制代码 " v/ s, p# M; V/ {+ K5 y. \
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