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[FC][魂斗罗][J][追踪弹]
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) [0 h- V$ Q) X- l时间:2023.04.303 Z/ c$ U9 {% E5 A- o. W+ M& H7 c
作者:FlameCyclone
* ^4 {7 B: Q. m: |; Z7 P内容:7 i7 q4 u. G. V. q# ^4 x
1. 所有子弹追踪敌人
( H: F' `: X P: Z$ n 2. 选择键切换武器
4 o9 l# {% C% ?9 G9 h 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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; b! F5 S6 _, xflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
% R6 E7 V& M" M9 t - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
. ], ^7 K* x6 x Y - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)8 q) O6 a& A7 e+ @4 v' R$ ]1 R
. Q) j: R" W2 J, b- ;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)
* w4 y5 F4 l8 p9 l - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
x3 {2 G$ i7 D% p+ r - % K7 j1 n! I, ~, ]
- Track_Enemy_Index = $60005 ~: Z1 |7 G9 g9 u5 q7 t+ [: r. c
- Enemy_Index_Begin = $6010
8 V. m7 L) Z9 b f - Enemy_Index_End = $6011
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) L L9 R: a; h$ X! X6 w- Loop_Index_I = $6012' M+ F, K+ w& }) m
- Loop_Index_J = $6013
- ?8 Z0 c6 Y0 `. i/ c7 L - nEnemyIndex = $6014- r. O% n- O& K1 E& `
- Data_buffer = $6015& n1 f2 \% V* h2 m. o
~6 P5 Q/ n% H. ?- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
! }) y, }) o/ L, ~7 u( H - Bullet_X_Pos = $03C8 ;子弹水平坐标' q- D7 c2 b" W2 ~( o
- Bullet_Y_Speed = $03F8 ;子弹垂直速度* q2 h; ?1 l5 j) ^: @( `' V: I
- Bullet_X_Speed = $0408 ;子弹水平速度 _4 c- s0 [9 p8 ^$ U. q0 N
- Bullet_Z_Pos = $0418 ;子弹Z坐标+ i$ E/ ?, O/ O
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P. Y1 ^! D; Z( v+ _" [
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- 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( W* d \/ _& l' P- D/ b1 a, F8 ~
- Enemy_Blood = $0598 ;敌人血量2 H3 x$ n- Z9 L! P5 C
- Enemy_Type_Addr = $0528 ;敌人类型
9 K6 @% a0 h$ |, h, a - Enemy_Blood_Addr = $0578 ;敌人血量9 ~3 g$ g: }# d2 E; O! i7 X% q! U
- Enemy_Y_Pos = $0324 ;敌人垂直坐标0 }4 c( i5 ]6 m7 k+ {1 n: ~
- Enemy_X_Pos = $033E ;敌人水平坐标( c1 l. h% j+ C( d1 \+ {
- Enemy_Y_Speed = $04E8 ;敌人垂直速度0 M P+ L- h" t/ [. m
- 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" [1 u, T3 \. V4 `' J7 _* \& B
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- Enemy_Index = $83 ;
/ [, B) \) v1 s0 J8 J - Time_Count = $1A
. O9 r* `0 x5 i+ q1 S0 L3 M# R! U$ k - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率/ @& D. z1 [8 s& F* f* u: `
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率1 g+ S) P v) {- V$ y7 V
- 7 L' o! V$ m8 w+ R, a3 o5 I, Y2 N
- * @" q0 T/ S) V; y: Y1 g S* Q
- .ORG $61006 \' f$ }$ H* ?
- Process_Begin:
; A, V1 ] H3 o - JSR Enemy_Check
8 i, C% E' `" X9 R2 V - JSR Track_Enemy_Check
* ?2 \, k1 Z+ { O% P7 T - Process_End:
0 V8 z" h3 H/ y+ m) C+ Q5 R - JMP $E54F+ }7 w7 H. s- \. O" b, X5 I5 ?( u2 A4 h
' q, E+ N9 l# X7 J- Enemy_Check:/ s/ [1 ?! N9 U- [4 l
- LDA Time_Count2 s- i" ]7 @$ s4 W- \! q# E
- AND #Track_Bullet_Speed
/ H# u* b$ P4 x- B, }' G$ a% r! f - CMP #Track_Bullet_Speed6 P( }6 b# [: v% V/ U( ~" T
- BNE Enemy_Check_End9 H# }+ t ~( a3 y) d" [! p
- LDX #$0F k5 v; _0 y& ?* t% U/ B
- Enemy_Check_Begin:
5 I f% t% E6 `) k, |7 W2 j - LDA Enemy_State,X
; N" ^; Q R( @+ ~ - BEQ Enemy_Check_Continue
; ?- \: v$ b3 G9 g- l: X( e" b - STX Enemy_Index' S5 Z2 h5 a4 z, |
- JSR Find_Begin_Enemy8 q5 p. o) o z7 Z) D
- JSR Find_End_Enemy/ J/ P9 E' z2 X7 n# E* s
- JSR Bullet_Track
, o. z" ^2 J9 c, }; x! d - : h ^9 N) c8 x
- LDX Enemy_Index) M$ K5 X' J8 H% j' v$ J
- Enemy_Check_Continue:
% n2 P# L- m! h - DEX! |! q8 X; f7 ?5 H
- BPL Enemy_Check_Begin
5 S) N+ G( P' l) c! Q1 H6 J G/ z - Enemy_Check_End:( Z/ P9 {4 v6 M9 `1 J1 B
- RTS
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- Track_Enemy_Check:# a W/ q) k( e/ o9 F, b
- LDA Time_Count
: w% L( Z5 _, {# n! }% r/ \4 N: q% l - AND #Track_Enemy_Speed
. Z4 `: r! S3 c+ p$ z; {4 A - CMP #Track_Enemy_Speed
% _' Q6 X( G: {3 D& t - BNE Track_Enemy_Check_End
7 S- l+ I6 u4 O6 G' E- G b - LDX #$0F
, s! g7 @! w* R) g, m - Track_Enemy_Check_Begin:
* I; y4 r7 H, y8 j6 A" }$ z s) l - LDA Enemy_State,X8 A( i6 E0 _9 J
- BEQ Track_Enemy_Check_Continue( {1 a' K# {2 G8 Q$ N+ O3 h' J0 D
- STX Enemy_Index2 |0 H" x3 S/ o7 z
- C7 I# k# l, V6 v6 o
- LDA $40& G9 j1 N: w$ t
- LSR' s; Z7 r# k- Z
- BCC Track_Enemy_Check_Begin_L10 \% E+ B$ ~2 W( L% B7 u* f0 _
- ) Z2 ]7 B6 n- ~- }, b: B/ p
- JSR Track_Enemy_Ex ;2, 4
) I6 D% Z3 C- P0 X+ W) ] - LDA #$004 |7 k! \( D1 c+ T# n
- BEQ Track_Enemy_Check_Begin_L2
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' l* w% j2 H8 W! P; y+ L - Track_Enemy_Check_Begin_L1:
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- JSR Track_Enemy
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9 c7 p/ `$ m: R0 Y6 p- Track_Enemy_Check_Begin_L2:
p2 r8 r7 A6 W3 `/ i2 m. o - + G; j/ l( D" }& m) d7 C
- LDX Enemy_Index* d( y: ?* j+ x2 R5 f& h) g+ u% {- S
- Track_Enemy_Check_Continue:
! e; q _2 W/ ^3 u7 P$ h$ K& Y - DEX
8 A$ @: S! f* S0 \& R5 X2 j( L - BPL Track_Enemy_Check_Begin
: `3 D8 F2 n5 T" |' J5 [( T5 U - Track_Enemy_Check_End:
6 K$ W. |% ^) {6 G - RTS
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& i& O" }; t! ]% X) N- ;查找第一个敌人 |( z m7 s: a9 K
- Find_Begin_Enemy:& ~, F8 d0 _+ ^* ~* z& P
- LDX #$00
* j) ^9 m/ V8 t& q$ @ h# N - Find_Begin_Enemy_Check:
- _# `7 A; N- N' c" h - LDA Enemy_State,X' A1 P8 J' r$ [* T2 c8 ]: r' _, U
- BEQ Find_Begin_Enemy_Check_Continue; u N3 S. K9 P3 V. @
- LDA Enemy_Blood,X
6 Z: \$ J& H2 m - BMI Find_Begin_Enemy_Check_Continue
3 R( D& \% _ b) s( g - BNE Find_Begin_Enemy_End8 |& ?- R0 ] y: w
- ( l! p; \" k: L
- Find_Begin_Enemy_Check_Continue:) `0 k- P5 U- {+ V6 ]
- INX
) J! E6 T. ^! A" s, L% h. ^ - CPX #$10+ _! Q$ I# o* ]% v: _
- BCC Find_Begin_Enemy_Check9 F6 f2 k. ^ B0 K( A
- Find_Begin_Enemy_End:6 u {3 U0 I: c/ M
- STX Enemy_Index_Begin% W" q& F' E# n H
- RTS
1 q s& H# c5 R- S" m% f7 c - & k. V. i f# L. A
- ;查找最后一个敌人 o4 O1 p. V, I% I8 q6 u
- Find_End_Enemy:
, H& ^! O4 }# C1 t d. {+ l( Q - LDX #$0F
8 o7 P* \. c' [9 V* z( K3 _: c - Find_End_Enemy_Check:
# b( X7 O) ]3 i( m - LDA Enemy_State,X
) B% b, X7 W; h: {3 `8 o* b8 m - BEQ Find_End_Enemy_Check_Continue8 R; A2 }' s7 K$ @4 X- i5 `* a
- LDA Enemy_Blood,X
4 {+ W' _$ A6 M, b - BMI Find_End_Enemy_Check_Continue+ P! T1 D t" k- a/ d% K. @( c! {
- BNE Find_End_Enemy_End# n3 U$ O! `5 i5 _' W8 j* B
- ! }, p$ q2 @" R, e
- Find_End_Enemy_Check_Continue:
% P$ H' f) I9 C# `/ Z% a# v - DEX' ^; W' r. f d; v" W" A
- BPL Find_End_Enemy_Check
: |' i3 R u1 _' X0 ` - Find_End_Enemy_End:
; f6 J& L" L& S, X. l5 L, X$ C - STX Enemy_Index_End
9 c! T6 l3 F; C; W+ \# n- h6 a - RTS1 w: Y$ }$ Y/ O5 o! u4 u
" D. D4 d$ @. y7 i- ;子弹追踪
, i. L; v7 y4 l1 H, [3 Z; P - Bullet_Track:
! y5 o6 J" ?4 B: i8 C: f" P3 Z t - LDA Enemy_Index_Begin
+ d& i) V" D, ~6 C# b - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;/ \9 s* D+ r9 @2 V. N# K+ k
- LDX #$00
0 I/ |5 F& _) }0 ~: N6 a - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)0 `4 c. M6 J3 p. T% h/ _
- LDA Bullet_State,X A( C2 D- S. o8 F% l$ D2 x( b
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
5 [+ K( G+ p, |6 S+ J - STX Loop_Index_I5 C a2 t) ]: k) m4 B
-
2 o, B& j: I0 L' \ - JSR Bullet_Track_Enemy
4 R) {) w1 t7 A, G$ ^0 t! f - JSR Bullet_Tract_Direction
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3 P% n% V5 H; Q- i! e, w - ;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
3 Y" X( O! P3 f" P: `# w R - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;! ?/ g/ s8 \# E( J$ m. ^$ {
- LDA nEnemyIndex7 W, F! }0 _6 W! R3 g8 h
- CMP Enemy_Index_End5 W9 O3 v6 J/ @) ~- A6 j4 }
- BEQ Bullet_Track_Check_Continue0 |8 }% v, g, R& V: e$ o
- BCC Bullet_Track_Check_Continue+ j9 E# e* |, g
- LDA Enemy_Index_Begin3 X# W3 Q8 Z6 q; m7 y
- STA nEnemyIndex/ v& i# K2 Q/ p+ `; g2 W/ ?" c' [
- % [+ W3 P" ^3 W8 a6 g( \, d. A* l
- Bullet_Track_Check_Continue:
, d+ ?8 y- |- f6 _ - LDX Loop_Index_I
# J- q7 r( [" d! v - Bullet_Track_Check_End:4 V! x+ r3 d# I( J
- INX4 n& [. ` Z% P: a0 e
- CPX #$10& T2 \1 V1 T$ w2 g# _
- BCC Bullet_Track_Check
) Z) }; u' H- l* Q, X* j - Bullet_Track_End:* X1 ?% }. k; T2 [) m
- RTS
" c# G2 I$ R( p5 A; s8 n* O( n% y - , H1 {- h6 }$ b7 p; C4 Y
- ;给敌人分配子弹
: `0 i7 ^& q6 `: E, }1 y* t - Bullet_Track_Enemy:9 Q% k$ i8 Z4 ?( }+ f
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
1 b; V2 I) q: x. y& K - Bullet_Track_Enemy_Check:. z1 r. o: x# E" X/ G
- STX Loop_Index_J! U# X# A8 J3 y: \* |' C' Z
- + ?% e) U7 ? l& Z& y' d- r
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
, `6 @: Q L: ~- Y& l4 R) }- }* P - LDA Enemy_State,X
. V" }2 c7 B" o: Q7 L" a) { - BEQ Bullet_Track_Enemy_Check_Continue
: I4 {/ @$ e6 ?8 w - LDA Enemy_Blood,X2 u5 v; X: k! J" r
- BMI Bullet_Track_Enemy_Check_Continue
5 C0 O& @4 I/ Y& [( ? - . t6 r, O7 ?; F7 ]1 q# g+ a: i# e
- LDX Loop_Index_I+ Q, X: }) B7 v' a7 T
- LDA Track_Enemy_Index,X
@+ o+ p2 A1 x. f! g* E - CMP #$FF0 Z k, g: }" v/ X1 H' b
- BEQ Bullet_Track_Enemy_Init
' {6 i n1 \: {* p' J - 1 z* |8 o! d, r- S7 p( h2 k7 G
- Bullet_Track_Enemy_Init: ?1 m% t2 u5 _
- LDA Loop_Index_J. m K, ]# B' b% H }* _/ E
- STA Track_Enemy_Index,X ;nTrack[i] = j;/ [' |. s: }. J' k* x7 w
- : K9 h0 h( S4 J6 e; T
- STA nEnemyIndex
F2 T3 y+ T# L - INC nEnemyIndex ;nEnemyIndex = j + 1; a5 N6 }4 F& M4 O: w# p9 N4 ]- G
- RTS ;break;
+ |. B- P' w& P% ?, Q/ ` - : N8 w# S$ p) v6 B7 X
- Bullet_Track_Enemy_Check_Continue:
5 J6 H ]- Q4 g: y/ D' |/ U! ` - LDX Loop_Index_J
# y$ d) Q% q0 [2 Z9 N' {$ o) d - INX ;j++
$ T& V1 D$ }! k {/ S - CPX Enemy_Index_End
1 _9 j6 u: J7 {+ q% A - BEQ Bullet_Track_Enemy_Check% M1 Q0 ?; m: J& R, N2 w5 Z
- BCC Bullet_Track_Enemy_Check% F( K1 \# a: ?
- Bullet_Track_Enemy_End:! ~" u, N3 L4 {, \
- RTS4 E; C6 H/ f$ d% V% c3 `+ O
7 n3 a, G: o& m- O0 ^8 s8 o- Track_Enemy:
: N2 v6 f+ o1 j4 |0 }- M* [ - LDX #$0F$ C: m) w% R9 h: B$ b7 y7 x! G& M
- Track_Enemy_Begin:6 g i! l' [" F. ^1 j0 F- i) H
- LDA Bullet_Icon,X
# T' o% L8 S& Z& m& c - BEQ Track_Enemy_Continue6 n! |. r) w- V5 l8 F& x! w) i
- LDA Bullet_State,X9 l) R/ W, H/ b* n) T* e
- CMP #$01( a4 X0 E0 F8 {1 i
- BNE Track_Enemy_Continue
$ |0 C' a' c, ]' z& `& K -
. Y* j7 R' [' F1 y% h9 [/ S1 Y) N - JSR Track_Enemy_Process
3 H! [1 G, S$ B2 N -
- z8 |) h% ]! O - Track_Enemy_Continue: B8 @$ j$ a. O8 d* g
- DEX
9 ^- B! F* l, X/ S - BPL Track_Enemy_Begin
2 B0 z! c) G! J2 r3 d - RTS2 u! G7 l ~, y, L( U A( M
( C+ Q. l1 ~. |+ h8 ?) I! c- ;普通关卡
! X: C+ t! [9 { - Track_Enemy_Process:0 m9 K I& q* i" R8 F' P( f p
- LDA Track_Enemy_Index,X. s- W) p( f% ~4 A
- CMP Enemy_Index
5 r% x2 y* {, I/ F - BNE Track_Enemy_End) b) ]/ a: K8 z& G
- LDY Enemy_Index5 l0 U/ M' S9 F2 X% I9 K6 k
- JSR Track_Enemy_Y: ^6 c* k7 \" L1 n" i
- LDY Enemy_Index, y+ h8 S7 G9 G" i# p5 a i
- JSR Track_Enemy_X2 L1 @8 \! Y1 @7 e$ o$ [6 b5 V! C
- Track_Enemy_End:( z' B5 k R. f \/ l! D: e
- RTS$ i, C7 o) A, Q7 Q/ H; u3 P4 i
-
: A1 U) X* c' x3 _5 R" M - Track_Enemy_Y:& u1 Z2 ?$ S& @0 H4 B( C* B3 S
- SEC
) {4 M4 C& \# y - LDA Bullet_Y_Pos,X
% S- N8 u: P3 @$ D6 U - SBC Enemy_Y_Pos,Y
5 a! }8 C9 D8 k' ~ - BEQ Track_Enemy_Y_Equal
2 J4 f6 _" x0 }5 }& I - BCS Track_Enemy_Y_Greater
$ N$ p6 ^$ f& b - ; T. K8 R( O( t' b( @
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
" x5 ?( i/ s- Y# `9 H8 w - CMP #$FC
l4 ?. E; c+ {; z9 N/ I - BCC L1_1 i! ]5 {- |6 O6 s$ J! O& N1 Z9 V1 F( b
- CMP #$FE
; P5 |3 Z4 q$ z# v5 M' j7 L - BCC L1_2% y1 ]' |( J5 \! O q. i8 w0 F
- LDA #$00$ j6 u: X. P# {6 M( H1 O
- STA Bullet_Y_Speed,X* m6 S; [" Q( f) M6 G8 [
- RTS+ @ X5 s9 ^8 b Y1 s& D9 w2 p) ~
- L1_1: 0 k( W9 k' \- L
- LDA Bullet_Type,X/ c6 k8 b" u' Q6 m7 c
- AND #$0F
( g, A% T/ e3 k( H - TAY7 a# D) @5 w" f# \9 `
- LDA Bullet_Speed_Data,Y
( `- W' T7 L- r. Z - STA Bullet_Y_Speed,X! b/ m# H+ t2 Q# i/ ?9 Z4 _" q
- RTS5 s) F5 k0 f1 J/ w$ c ~7 r" U
3 a: ~ i7 L: V1 k- L1_2: 8 `; t" S+ }4 t! M6 Y3 i3 V7 D
- STA Data_buffer( L ^+ ~- V$ p5 Q: j" v) Q
- LDA #$00
) R% k$ t' I2 Q' G2 @; y- a - STA Data_buffer
+ i# J! B# v7 D: |& ` - LSR1 o1 w! N4 Y( K; `" Y1 V% K C
- STA Bullet_Y_Speed,X
; u7 W# w2 W; L- B/ _/ B$ e - RTS
: \& _+ }/ n; @* ~' J5 X4 a F2 T
. N& \9 g( S! I6 r1 O- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
) f @# `6 a0 q1 z1 I& W3 I& _ - CMP #$04
1 i2 j0 {! o' w7 C% w v) L - BCS L2_1% D; s1 e9 V7 r
- CMP #$042 ]1 `+ }4 M0 ]- g. F
- BCS L2_2
; j* [4 A7 [4 M! t, ` - LDA #$007 V% ^6 C9 `1 E, S, D* Q
- STA Bullet_Y_Speed,X
' E: z8 F/ Q( U# \% _( a$ K - RTS0 _3 o x, _* q( d
- " W/ o. p; y( ^* S- |; }4 b: T: X0 i
- L2_1:
! Q! r. _ }& Y- e0 `& f - LDA Bullet_Type,X
1 |. W8 e5 |$ j9 O& k - AND #$0F# A! F0 c' z/ v+ A9 C7 E* h
- TAY' B+ [/ j! X- j: u% Q& I- `
- LDA #$00
; |" Y- A( c. W2 Q2 u. M" ~; X - SBC Bullet_Speed_Data,Y9 g4 T, w7 `! o" c
- STA Bullet_Y_Speed,X
8 Z1 i1 p, ^4 I - RTS
5 U6 d5 U2 \, L# U - _& u% ~4 ]) x$ P, l9 a
- L2_2:7 }" \/ F8 y* r4 f
- LSR
6 d! m7 u/ e! p - STA Data_buffer
9 \ h% Q& T5 Q$ A, A' [/ s9 u( \ - LDA #$00, G6 @# J" }' D+ t4 ?
- SBC Data_buffer8 ?2 O9 @# V; {' V! L) }
- STA Bullet_Y_Speed,X0 `5 L7 }) D2 `& x
- RTS& k& e( ^* u* c
-
/ I. o- z: | i0 A! s) F - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 c% g* z/ b7 C
- LDA #$00- v9 j% w3 ^' f2 Q; k
- STA Bullet_Y_Speed,X
- C T% y. Q9 s0 Q N0 e - RTS
0 }2 _! A/ Q0 J4 `! s' o; ~( T* X - # l- |; ^& h D1 G x- A/ G1 N Y
- Track_Enemy_X:: h; [5 |; ~- u; P4 }3 P
- SEC9 A1 B4 y! U: k& v/ P! X: c
- LDA Bullet_X_Pos,X
7 U. ~+ p. K z2 w1 o6 J - SBC Enemy_X_Pos,Y5 L, H* U) B: I
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
/ g; l1 p% `) k3 H" N9 s, I: F) G6 S/ E - BCS Track_Enemy_X_Greater ;子弹在敌人下方
- a; U0 _6 ~+ [ - , U( t# a2 f. h( F
- Track_Enemy_X_Less: ;子弹X < 敌人X4 c2 o T8 i1 {
- CMP #$FC, ?, M% S& L, Y1 h Q$ h3 q1 z
- BCC L3_1$ j2 u) A, V) }, w
- CMP #$FE
: L$ r# s2 {# U% @ - BCC L3_2
6 H% \' L- z! V' j X - LDA #$00% O& l$ ?$ N; G: p3 m
- STA Bullet_X_Speed,X
( C" }( O0 B% ?4 E. o( S* @2 v5 R - RTS
! K( n1 b- y ` - L3_1: ; N3 Z6 T9 M$ }2 ?: s- r& @$ |
- LDA Bullet_Type,X
7 |; L% @4 X' N H2 {) `, V$ ], T - AND #$0F
/ t" q2 F& B- @4 R) H8 d - TAY
9 e7 W7 ~& i; r& B( J/ H7 C/ I# b( W - LDA Bullet_Speed_Data,Y( F4 g- L8 P$ b$ z$ W6 f; D
- STA Bullet_X_Speed,X
: p, ^' P& k7 B6 u1 |/ I; M - RTS$ [6 J/ }( S# g2 S; K2 m3 Y
- L3_2:
" Q- o9 O3 E& T/ C, X4 @ - STA Data_buffer0 g# `+ c( U7 @9 _, e( c j
- LDA #$00 O& r$ X" G4 ]
- STA Data_buffer1 H( e3 u8 W: F( C: n3 `6 Z
- LSR
# y7 n' N7 D5 b7 G6 T- d - STA Bullet_X_Speed,X# F. k& [ j, j5 v# K$ B2 c& d
- RTS
8 J9 E. K, J3 s* l: ] - v1 \3 B9 }. y3 ]# j0 Y% ^
- Track_Enemy_X_Greater: ;子弹X > 敌人X0 e) W' }9 Z" _% G6 P( M- Q
- CMP #$04
7 n7 q$ ^( z+ O9 y - BCS L4_1
' m6 q+ z, b9 a; _* D - CMP #$02" G9 q* B' ?7 F! h
- BCS L4_2
+ l v. r% f5 u$ g+ J; M - LDA #$00 i; O! a% T' v5 w- p# Y
- STA Bullet_X_Speed,X
5 ~3 K0 d6 F+ n3 e - RTS
. u1 |1 v% G d( y/ x - ! O- y) C/ E& _! R8 D8 u3 ?2 }
- L4_1: " V- Z1 n9 k3 O2 w0 h1 R
- LDA Bullet_Type,X
5 ]1 s2 G/ T; i6 z0 P# Z7 y - AND #$0F
( e, D) }" X' G0 Y$ B6 |) @ - TAY
* K# Y. i9 W% r% k - LDA #$006 D/ a/ }2 ]* I- X% w
- SBC Bullet_Speed_Data,Y3 S- c2 ^# s' N3 g1 o; U; a$ a- G: o* C
- STA Bullet_X_Speed,X
" I/ R7 J% h, W" b0 Y# P5 } - RTS+ T" L4 ^5 _0 ^" u
- L4_2: ' U" m4 G$ L$ a. t2 `* ^ [; L% T
- LSR+ ~. p/ _$ {/ c [( \/ R
- STA Data_buffer- g' \* @5 H- f$ v, {; B
- LDA #$000 ~0 J, u9 a9 g$ d4 Q2 p
- SBC Data_buffer
' |' D- z3 g! \ - STA Bullet_X_Speed,X
0 t: Z; `( A5 S$ `& \ - RTS
, f) X2 |: M; J1 ~. M9 J -
6 T; W+ J( i [7 l - Track_Enemy_X_Equal: ;子弹X == 敌人X
# ?) W: ^) Z6 W0 G2 X3 J - LDA #$00
1 P0 o, p; e, n# d. N4 }! } - STA Bullet_X_Speed,X
% y+ D4 Y$ r8 R& } - RTS
: f( V. H7 |' {6 s4 n+ n: z -
2 p+ Q. g, H, ?1 E5 b* _! L: N' U - Bullet_Speed_Data:& r% G; a! e# H% H' V
- .DB $00,$03,$03,$02,$03,$03+ e n' T6 ~6 J1 K6 d! t% f
-
0 j7 A# ?% r( P: B& \$ y3 G# b9 a - ;2, 4关- U& m/ y1 o# z; ]
- Track_Enemy_Ex:- s0 d! D- W; G
- LDX #$0F
& l7 q* J* T6 ^3 Y j, m - Track_Enemy_Ex_Begin:
1 W; F4 w2 c# h$ N6 F) p9 y% W - " f% K' \" L0 l$ J
- LDA Bullet_State,X- N: X0 z( r, H Y1 Z \+ | S
- CMP #$01% c% D. G$ U) z
- BNE Track_Enemy_Ex_Continue
, \6 u3 l8 T X# w' N+ @ - ! k, t& n$ g0 I; z, o
- LDA Track_Enemy_Index,X. P, ?$ S" y: _" Z, o
- CMP Enemy_Index- S" u( F2 V/ P ?, O7 |; Y
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
3 ?6 j$ L5 x4 [8 Z' B - . K) Y1 K. Y. x$ P
- LDY Enemy_Index
- \7 y+ K* k2 d4 Q b - JSR Track_Enemy_Ex_X
& E3 G2 h6 m5 X: y% C' N/ [: } R& W - # u# T$ l% @; w/ W
- Track_Enemy_Ex_Continue:- F) m( j2 U+ d6 v
- DEX8 Y) C' ]2 m$ x
- BPL Track_Enemy_Ex_Begin6 D, t% y( p b5 v# ^: c8 Z, U
- Track_Enemy_Ex_End:7 L. u/ I& E8 ~, C# j L$ N: U4 \
- RTS
$ F5 l' j G6 G0 S+ y3 N - 6 o f0 G7 R$ s6 u" R3 U) W
- Track_Enemy_Ex_X:$ u' V4 Z0 V" _5 p' A X/ K
- ;LDA Bullet_Z_Pos,X
& O0 B. i) b3 [: [ - ;CMP #$04+ ~. r' J$ t0 g/ d. x( B, O( k
- ;BCC Track_Enemy_Ex_X_End- ^; q/ P4 B( [8 w0 A$ w
- SEC
0 t0 O$ d+ ~# b3 L - LDA Bullet_X_Pos,X( J/ g1 V. g- H. z
- SBC Enemy_X_Pos,Y
4 a0 L/ x! v9 _( s0 x7 m, | - BCS Track_Enemy_Ex_X_Greater9 q. ?( B+ x& ^* B& t" o' q
- # J7 b6 ^6 b9 i+ d9 H. {
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
7 Z- i" v& @/ l! D. l4 l& v( { - CMP #$FD
. ~! l/ v8 X' ], z6 n6 S - BCS Track_Enemy_Ex_X_Less_End
* c/ B/ g! j2 D - LDA $6020,X8 F' H, ^; N$ w* q
- CMP #$2A' a. T* w. c8 u1 [8 O$ j
- BEQ Track_Enemy_Ex_X_Less_L1' y) J. r& q* O0 p9 g# W! ]7 Q/ e* m
- LDA Bullet_Z_Pos,X: C- i1 S c3 v: Q/ ?: V2 r, C
- LSR" F/ {8 H5 e6 c% v, N& l# k
- TAY P+ I, T& }7 w7 O
- LDA Bullet_Speed_Data_Ex_R,Y
/ H9 X% f0 b- `( Q& V1 Y' C- R - STA Bullet_X_Speed,X
& Q- C+ A$ a' A% T7 b/ f" ~+ K - RTS
$ f: L7 h5 i* B0 k, H; \$ p1 g - Track_Enemy_Ex_X_Less_L1:
: u' x7 T6 }! Z" _* z - , e( `! [, O- {% l, d% W9 u4 @- x. z
- LDA Bullet_Z_Pos,X4 K9 c( U% {. p- u3 S; H
- LSR# s4 m. [2 K3 ~ w
- LSR7 ]1 E% a8 g$ N& C1 \
- TAY
" H; G3 m( M: L$ G - LDA Bullet_Speed_Data_Ex,Y
3 S/ K/ ^* S( @ - STA Bullet_X_Speed,X
C% X \* t O& ^; O9 c6 A - RTS
% Y6 y* ]' d @3 r$ } - " I$ K. \3 S% p# X% l
- Track_Enemy_Ex_X_Less_End:
) I+ |1 a( \7 T/ f - RTS
# v, F+ x% i B
. ^3 b$ J/ V( C- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X/ R7 ~& o( E( c& f. d% B; t! Q
- CMP #$03
. F- [3 J0 `6 h2 F8 Z" C - BCC Track_Enemy_Ex_X_End
2 [7 H8 t0 E! P2 |/ ?; |7 I - LDA $6020,X* n" ?' _9 |$ F& x1 B9 {) k
- CMP #$2A
3 d- r" z$ G1 c% A" W' L/ P2 h - BEQ Track_Enemy_Ex_X_Greater_L1
! {3 N" r7 N$ l; j - LDA Bullet_Z_Pos,X* }2 }2 D: n$ c1 d5 a1 j; P
- LSR7 I0 G8 v, {# r, [$ T7 y% n: [6 V
- TAY; `2 W" s4 [, \4 p. M' h/ y
- LDA #$00
* D# y3 y# z% Y# O( ? - SEC
3 T7 ~8 @ O3 e* }2 o - SBC Bullet_Speed_Data_Ex_R,Y- s, e9 h8 o, |. j& p& d0 q
- STA Bullet_X_Speed,X: T& t9 X* E# q& T& H6 n* W1 [
- RTS
$ o9 f: F& a r. B2 ^1 O& I - . Z* F/ q! N- S
- Track_Enemy_Ex_X_Greater_L1) m2 s p! t4 Y# \# J
- LDA Bullet_Z_Pos,X
6 m. O0 A" A* m! t7 U5 \ - LSR
+ A) ^2 I; o4 ?4 ] - LSR5 W' p% P! I; w& l- `
- TAY
( z7 E2 G, T& `3 H - LDA #$009 ]& }. p# d/ ?) U- y* Q
- SEC+ d( M4 `$ j% \# X) D0 Z
- SBC Bullet_Speed_Data_Ex,Y
U3 z* v4 x( \ Z- x - STA Bullet_X_Speed,X
3 x. r4 I$ |: Y/ O - RTS
3 S/ h2 ~( f! \/ c - h5 k P* b. f# ]8 t7 m
- Track_Enemy_Ex_X_End:
$ D7 p' x$ e7 l; N' W - RTS' ^4 C; d$ G' X( L$ H/ Z) v
-
8 r* h# z/ p) q - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
M+ i- V$ C- t4 M/ _! h5 D - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上6 c; f# C3 \' X; n; }- k1 M
- Bullet_Tract_Direction:& x4 c7 R& k1 m' T9 S- T
- LDA Bullet_Icon,X
# u+ X5 w0 S8 |. Q - CMP #$231 v' z* Y4 o* i. K1 r+ j* U
- BCC Bullet_Tract_Direction_End
, n+ C5 l9 c0 I$ X9 _ -
* ?, D% A8 c8 R) z! n7 D9 X3 R# n4 E - ; X != 0. N, w5 p! V: G* }
- LDA Bullet_X_Speed,X
6 X* S, Y% [+ t* _8 h) M# u) Z - BEQ Bullet_Direction_V* i' S2 g7 ^8 b7 ]
- 6 @0 Y, D) k9 @% ^7 @* w4 W* Z
- LDA Bullet_Y_Speed,X1 C" S6 q+ H; E6 v! P
- BEQ Bullet_Direction_H
6 f0 M4 d' p5 v# E - : R% D# i: A/ v
- LDA Bullet_X_Speed,X
' _$ \. x7 Q9 v: @# v3 @ - BPL Bullet_Tract_Direction_Right4 E T9 y( f& f1 ~' Q: E
- Bullet_Tract_Direction_Left:6 l3 f& `5 M3 }0 {' k
- LDA Bullet_Y_Speed,X
1 q% m" t8 g/ `1 g- s# V. _ - BMI Bullet_Direction_Left_Top% i6 U7 T9 T2 f, J5 _6 {. `- U# |
- BPL Bullet_Direction_Left_Down) T/ _- a. l% Z2 E" E0 A' K5 a
- Bullet_Tract_Direction_Right:+ K$ t/ u/ b) \6 Q' {# K# b# |
- LDA Bullet_Y_Speed,X6 n; w$ T1 U8 l+ ]' V( Z5 T
- BMI Bullet_Direction_Right_Top
% h U/ z: A1 N2 M - BPL Bullet_Direction_Right_Down' D' N$ |" S+ E5 w: |
- Bullet_Tract_Direction_End:0 B( q. Z% |1 b2 l) ?+ Y) E5 [
- RTS; y1 q+ S5 W! L
- 9 c l- C. N: N3 P1 N8 A
- Bullet_Direction_Left_Top:
5 \6 P; j$ I3 d& t - LDA #$25& W; G4 D1 F9 }$ G
- STA Bullet_Icon,X
. r( W, U2 T& b, p, e) F) _ - LDA #$C00 J: @# o, Z2 |
- STA Bullet_Direction,X+ z* A. j X$ E# w5 ^
- RTS/ C3 y; }+ x+ K0 o* ?, V6 \
- - b% F( T2 H, Y/ v* O* ~3 P
- Bullet_Direction_Left_Down:
9 Y1 E" s& I- T& ^+ X - LDA #$25& k7 k0 M* \# v8 U( d
- STA Bullet_Icon,X- X! g& `/ W6 Y" A
- LDA #$40
# d/ |; D5 G' X; |$ [ - STA Bullet_Direction,X# p! _/ [, o' H6 n' J9 Y
- RTS& j* I/ H) T# Y5 Y8 A! w
- % m; i) |, q& g* F
- Bullet_Direction_Right_Top:' A2 h9 W- `) D9 }
- LDA #$25
& H8 p+ b! `+ z - STA Bullet_Icon,X
: E# X* O+ g; x" \, s1 ]( z( G - LDA #$800 x3 b' ?$ M/ B0 R2 J* b
- STA Bullet_Direction,X
. H! f# c& d1 t- }$ d2 t% S - RTS
! e/ F' m7 w" G' y - ; s/ m/ }+ Y: n5 r% A
- Bullet_Direction_Right_Down:4 [8 V% Y7 H/ `. ?& T% k
- LDA #$25
7 F' G. z. P) Y2 s6 a# J# l - STA Bullet_Icon,X
1 R7 H% _/ [8 U3 ] - LDA #$00
! g3 \$ e, |7 z6 j% [1 g: V! i - STA Bullet_Direction,X p. g2 E; H$ Y o, x3 `. G5 S3 Y$ T6 P
- RTS7 e, H# [9 j" g( Y
- ! u. ^! z/ p& N8 ~3 r3 w, P$ I2 B
- Bullet_Direction_H:1 g" X0 d) [0 v
- LDA #$24. z0 |: H5 a* `/ H
- STA Bullet_Icon,X
# | @ z) M5 h+ t2 g$ F - LDA #$00
# Y+ z9 e" b2 a3 e6 h6 f/ v" W - STA Bullet_Direction,X8 h* Q# g& M ~
- RTS# O( ^/ n) q9 I' e$ b+ ]3 P! P
& e' S+ L5 d N0 x1 `8 K- Bullet_Direction_V:/ V3 G% l, j+ M; I3 c& S$ G
- LDA #$23( E D8 L3 g% X; c
- STA Bullet_Icon,X( {5 s x8 U6 S6 U$ S% V) _1 N' `2 b
- LDA #$00
3 f1 q" N3 V# Q- w1 Y$ v6 O j - STA Bullet_Direction,X
$ }( v- h5 `( ?+ E% p - RTS |% W9 `3 y, c% f
- % F T6 D- _& S2 f
- Bullet_Speed_Data_Ex:' ?6 @' T: ~; ^! x
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04" i3 ^5 d T/ i* `# u# E& }7 {
-
4 U% K; a! H, m% _! o9 Y [& x - Bullet_Speed_Data_Ex_R:0 Q, b$ d8 K( ~& S: ]* @
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
* V4 n, K. L x5 y' b -
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