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[FC][魂斗罗][J][追踪弹]
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' A1 e9 o \, b' B7 `# l& {时间:2023.04.30
9 A+ H# m6 O5 V作者:FlameCyclone/ ?3 X* b' P* D3 _5 S
内容:
5 p" _5 P. p1 S5 |; M 1. 所有子弹追踪敌人* z1 L- v. x) E% b( a6 o# \
2. 选择键切换武器
2 Y8 g3 Q% q Q d0 A" D* a 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
+ e2 n" I8 S+ \- Y- F7 w( ^: @2 r+ e' C. Z8 P. }0 P' G
flamecyclone.ys168.com! `% J$ I( c k2 Z; y3 t' p3 Q
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
0 C1 D9 a! A' S" ?$ { - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L% ?, F1 W: t/ G, v
- 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)
& D! f: e: e! W( G - . {' g- J' b5 \9 Z
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)- s$ u; @' ]# W! o+ J
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
: G2 D! V% z6 W# o: D$ R3 P, L - / l, z4 {2 K. N5 r2 @0 j9 \
- Track_Enemy_Index = $6000
8 t+ w: ^9 U! d - Enemy_Index_Begin = $6010* O0 ^# p* g0 c
- Enemy_Index_End = $6011
- I$ I& E: A+ `- P- V0 i* W6 k; v: H
1 T0 ^! B1 U4 y. M4 s# g) a/ B4 J- Loop_Index_I = $60122 x4 J* \2 j) ~# \' x
- Loop_Index_J = $60139 S4 l9 H, P/ r% _% m/ e3 ]# v
- nEnemyIndex = $6014
' L% a' C9 a! T- y - Data_buffer = $6015
2 p6 C! |: E8 ]1 c3 s - % ]% l( ^" Y/ b0 \8 \3 p
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标6 c9 [+ C+ D6 X7 e# @
- Bullet_X_Pos = $03C8 ;子弹水平坐标$ R: | g, p+ s. d& Y
- Bullet_Y_Speed = $03F8 ;子弹垂直速度! z6 x0 t: l: Z! e3 ^# ~
- Bullet_X_Speed = $0408 ;子弹水平速度
7 c: x# z) U8 E - Bullet_Z_Pos = $0418 ;子弹Z坐标 j" [6 H9 x& Y% G; ^
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P7 k" ?/ H" A2 E, M% b
( p) `! u4 M( [9 J- 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
/ k* {: H0 G% B R+ q - Enemy_Blood = $0598 ;敌人血量+ V6 N' m; s* U; A
- Enemy_Type_Addr = $0528 ;敌人类型8 N6 O3 L; C8 Y& v
- Enemy_Blood_Addr = $0578 ;敌人血量7 p+ V2 `+ K( J
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
7 E# q, f0 e* x$ ?$ t. ]# z - Enemy_X_Pos = $033E ;敌人水平坐标
6 o7 P8 K& A5 |) j0 h - Enemy_Y_Speed = $04E8 ;敌人垂直速度
0 ]; N3 ~: h- V+ n C. \0 ?7 A - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸& [/ B5 y# n! E8 k
- 4 X( ?$ C- D1 O1 K
- Enemy_Index = $83 ;
8 v" {6 P; N* b4 g+ l - Time_Count = $1A5 n% V7 A1 O" |1 v" L. w4 T: L, T4 _
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
$ p8 K( r* u+ a' y1 M* Q7 f - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率% N) b( Y, Z2 E3 Y) d6 E% b# H
- , A) c' v [, A- d/ P2 i$ _
, w9 @: U5 [/ Z( z# k- .ORG $6100
$ g: [: e, @& R9 u - Process_Begin:
: c$ ?- [/ k% y* B# Q9 w5 I - JSR Enemy_Check
& \8 e* @! j6 a4 _ - JSR Track_Enemy_Check
" l' M! G7 W1 R- S. r - Process_End:
/ f9 {2 s5 P& Y3 b - JMP $E54F# _) B' L9 x4 F( Z0 `
- ( |2 |4 i O3 q3 Y: S$ S4 i
- Enemy_Check:4 A; R" _7 _: u9 _9 r5 m
- LDA Time_Count
4 m8 `" a! O9 J. J - AND #Track_Bullet_Speed' G' `" ^( h, r1 l5 d7 z5 S1 h
- CMP #Track_Bullet_Speed
$ t2 f. h' \, j8 e; u/ q3 Y& @ - BNE Enemy_Check_End
5 U5 b' i9 X. Z3 p# [ - LDX #$0F# y& Z& F$ |0 U
- Enemy_Check_Begin:
/ h% u) _% T! Q$ ?# q0 y3 @" V# e - LDA Enemy_State,X. |: X: a" P0 u
- BEQ Enemy_Check_Continue
. K( c. V( T' {% \# P - STX Enemy_Index4 c8 [. O3 }6 d5 C: b/ W8 a6 V6 I
- JSR Find_Begin_Enemy" ?: N/ P b* z& s
- JSR Find_End_Enemy
7 j& {9 i1 Q3 d - JSR Bullet_Track- W1 I6 u* e: H8 a# s
- 6 e3 L/ Y+ O2 V8 m
- LDX Enemy_Index
: U& i, {/ b& i* N$ ] - Enemy_Check_Continue: G# b9 W+ x2 K: |2 \- E3 [
- DEX3 T- q6 Q, @5 V3 W6 v3 G
- BPL Enemy_Check_Begin3 l" w1 m8 r% q$ v, k+ M
- Enemy_Check_End:
6 T/ @% \4 _0 m! y/ t& n4 ]$ Y - RTS
0 N( W2 b5 d/ B+ [7 F - 9 i T% A/ k4 }3 s# n& ^+ m6 j
- Track_Enemy_Check:2 q; D+ h- x8 ~; c8 j8 |3 V
- LDA Time_Count8 ^9 v$ ?) X3 E a% | z
- AND #Track_Enemy_Speed9 ~+ n) W6 ?2 I. p* M7 q6 H
- CMP #Track_Enemy_Speed
, i+ B) u- F5 ^" P8 [4 y - BNE Track_Enemy_Check_End! @& b7 W3 }; I
- LDX #$0F
) [3 _" d; c% G - Track_Enemy_Check_Begin:
\2 q8 y$ F7 \; @ - LDA Enemy_State,X( u8 `8 p; h% H( \3 K+ w3 A
- BEQ Track_Enemy_Check_Continue
9 Q& O5 B- b! s% T D7 g. i* V0 a - STX Enemy_Index
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+ a7 e! y4 ]# A9 o; I! V, y - LDA $40
4 x: _- y0 A1 M) a. @ - LSR0 w6 B3 P; [, T" g u& h
- BCC Track_Enemy_Check_Begin_L1% T; l8 E6 d% S: V5 U0 L
-
, `/ e0 \4 O: P - JSR Track_Enemy_Ex ;2, 43 r- ^% C9 L4 k" S/ R K3 i$ ?
- LDA #$001 c7 I) P0 S6 D6 n$ H3 E3 a
- BEQ Track_Enemy_Check_Begin_L2
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( t$ l, A# X5 c! `. I8 K* S$ p6 ? - Track_Enemy_Check_Begin_L1:
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- JSR Track_Enemy
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% u: j" c' ^ }& V- Track_Enemy_Check_Begin_L2:
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# E) [2 ?; B; T& u# ]- s% y - LDX Enemy_Index% r' r( p0 [3 e1 X# `( K
- Track_Enemy_Check_Continue:; N" D. y' }3 }: T0 P
- DEX
6 X8 [- z$ V5 K' C/ w; P* _& H - BPL Track_Enemy_Check_Begin9 q, v) M0 \% o6 I
- Track_Enemy_Check_End:
+ r$ b7 h9 b! E! m# Z& I - RTS
/ i4 J4 M$ R4 @, B% \
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7 C. @; [: z6 b1 T) z" p2 S1 A- ;查找第一个敌人: G* r$ i% U6 u2 K
- Find_Begin_Enemy:1 g# U# L/ y5 H8 b) ~& f
- LDX #$00! r) O( o& ]0 F0 C, p
- Find_Begin_Enemy_Check:
! B5 Y; _1 w, v6 @1 q: s - LDA Enemy_State,X4 S! g3 O3 g- ~
- BEQ Find_Begin_Enemy_Check_Continue+ z ~ O" y, q3 t* o* _ v
- LDA Enemy_Blood,X2 c! x* k- }6 q3 X2 `" y) Q
- BMI Find_Begin_Enemy_Check_Continue/ X$ d' Y, m- q: t7 v
- BNE Find_Begin_Enemy_End' v) U, }. G9 C, G+ f1 ]
-
# W6 W6 X( ~5 x1 t( Z( \. n, O, N - Find_Begin_Enemy_Check_Continue:
# W U( g8 A( @) N - INX
& [; c. w+ h8 }! W9 y$ Y9 O6 f8 _ - CPX #$10
' j% I M: q3 C+ W6 F8 R - BCC Find_Begin_Enemy_Check
2 T0 Q6 O; m% K4 n8 F: U - Find_Begin_Enemy_End:
. q8 Y, V/ P k2 n! e0 P - STX Enemy_Index_Begin
9 z! ~2 r. T8 r( O - RTS
) ^2 B' `# O j - % A) b. d9 d; D% k
- ;查找最后一个敌人
4 v8 q2 ^) P8 |: `2 W - Find_End_Enemy:# m; X) F5 {3 w8 h8 s+ }, e
- LDX #$0F& K: ]& A+ z+ G; J" ~
- Find_End_Enemy_Check:
+ m+ k* g8 O+ J2 f0 }! @9 [ - LDA Enemy_State,X
$ r! c5 _! b# \ - BEQ Find_End_Enemy_Check_Continue* L, f0 D; f8 D( h5 ?7 e( i
- LDA Enemy_Blood,X9 V1 u I; K& f" W/ V, M
- BMI Find_End_Enemy_Check_Continue# y- z# o$ o% y$ n
- BNE Find_End_Enemy_End) t4 Q' K) J3 ~& X- G+ W0 J* H1 M
- 6 W- d8 y' I# r O" h: Q
- Find_End_Enemy_Check_Continue:
8 r) w) {8 t# A9 B/ @1 u - DEX
5 h" l6 i- s9 N6 Y" N$ f) a - BPL Find_End_Enemy_Check
8 S+ K6 W( k% S) t$ v - Find_End_Enemy_End:
3 r8 I- j# _' ^+ c3 x. G - STX Enemy_Index_End
$ I1 C9 X( h- B% F. E0 [ - RTS
& o( i+ l% I( S0 H. T% L
, E: f I9 X3 x: s- ;子弹追踪
; T: c: B1 e$ {8 U - Bullet_Track:
6 y/ p: f6 d* a, j - LDA Enemy_Index_Begin, e: \5 u( k; R4 m: K
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;8 a6 Z3 W8 r7 c! |1 t
- LDX #$00
3 K$ O: ~6 D' Y& ~3 j/ R - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
9 y/ u& K: L& s: J u - LDA Bullet_State,X7 h% R( a' Y! h7 p2 }9 A
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;$ D, W' D9 J5 V6 ?+ v4 H# x
- STX Loop_Index_I1 z4 S8 F7 y! {2 @! ~
-
4 y9 o/ `, p; r* {+ I& H6 `5 j - JSR Bullet_Track_Enemy2 c z- k( f4 P) t2 a
- JSR Bullet_Tract_Direction
% }) @; F* w8 L% S0 j. }) D -
8 x! c) v; Q# m8 V - ;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
9 l G5 y: O5 W+ s9 x& _ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
9 X; S5 r% Q$ Y8 h - LDA nEnemyIndex
9 K7 q6 P5 a; j# U - CMP Enemy_Index_End! A" C9 F8 T& }# [, L8 O5 g, G: v
- BEQ Bullet_Track_Check_Continue
8 ?. T: k( R( G9 u- @ - BCC Bullet_Track_Check_Continue0 G$ T. O- z4 u, k- i- {2 v( J# V4 G
- LDA Enemy_Index_Begin3 p# R/ Z" Y. s
- STA nEnemyIndex
" J9 j+ K) D; K/ \ - $ T4 X' f1 F7 L
- Bullet_Track_Check_Continue:
) V1 v5 m$ U% j# X1 v+ @4 ^, Q' {1 U - LDX Loop_Index_I& t3 ]. v |8 W+ {
- Bullet_Track_Check_End:
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- CPX #$10. p N- ~; `7 Q" C A# b0 T, ~
- BCC Bullet_Track_Check: P; W& q9 l+ A3 D+ J/ y0 F1 K
- Bullet_Track_End:/ q, L2 _2 T( j' B7 {
- RTS+ I4 _5 F: y/ n* m! K1 @
-
& z2 g! _1 |) M" Y! ?' O - ;给敌人分配子弹
, {, O9 i3 w; H; s5 ~1 Z3 o - Bullet_Track_Enemy:
% H+ M- ^8 U, O5 E6 W - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)6 B+ d. o; a& o6 G
- Bullet_Track_Enemy_Check:
% I) Z+ C3 n* o. }! M - STX Loop_Index_J% h u3 `4 M, Z* T
-
& J8 L/ V: i+ q) S3 @4 P' D - ;if (0 != nEnemy[j] && -1 == nTrack[i])
, H0 Z9 V$ G1 k' h - LDA Enemy_State,X
- q7 X2 p4 W' N1 K1 K O5 s - BEQ Bullet_Track_Enemy_Check_Continue; u6 v/ ?9 C9 y. x: R& |: z
- LDA Enemy_Blood,X8 ?9 U# C8 W5 f; t: j& I9 ?+ \
- BMI Bullet_Track_Enemy_Check_Continue$ Y) D7 x6 K2 \$ x f( v2 v4 s7 @
- * e/ f* ]1 J: ? A
- LDX Loop_Index_I1 C- A& n% E2 x( Q$ A
- LDA Track_Enemy_Index,X! s6 {. |$ h) ^( q) E& B4 t0 m
- CMP #$FF; M+ ]; y& z& S; Y
- BEQ Bullet_Track_Enemy_Init
" |7 k! H, q" g -
0 u$ P1 t3 a) X6 `+ K, p - Bullet_Track_Enemy_Init:
( A- w: h: l! r - LDA Loop_Index_J
$ K! G4 q) F" o- x% T# e - STA Track_Enemy_Index,X ;nTrack[i] = j;: S! O# V1 B7 p6 Y: e
-
* N9 M6 e3 P3 b4 n, [ - STA nEnemyIndex& w, l- h) S8 |
- INC nEnemyIndex ;nEnemyIndex = j + 1;6 Z3 @# G% w+ R
- RTS ;break;
4 u) Z5 [" X j( \% u - 9 V5 M, @' H" {9 a g& f
- Bullet_Track_Enemy_Check_Continue:
. u+ P+ P6 O+ l5 Q1 k T1 T - LDX Loop_Index_J
) d1 n/ ^+ {, |0 Q, u) T+ n - INX ;j++
5 E- q! m' V0 z* t- p - CPX Enemy_Index_End
( }+ d W' k% ?5 f - BEQ Bullet_Track_Enemy_Check* [8 m/ H8 C: n2 i# H
- BCC Bullet_Track_Enemy_Check, W. U- s6 F {; l7 z
- Bullet_Track_Enemy_End:& Y" f4 J7 i( @( n; o1 e
- RTS6 L+ K) A- k* }; w# V' v
- * b1 z' K1 Q5 [' X8 o
- Track_Enemy:
0 G/ N4 a" {" ^9 i, U8 \ - LDX #$0F
/ C& w, M3 @7 _6 d2 Y5 N - Track_Enemy_Begin:2 R0 W8 @0 E3 b, r
- LDA Bullet_Icon,X5 t& B7 q: i0 }, \) p
- BEQ Track_Enemy_Continue0 i9 O* b3 e- g) F4 @! b
- LDA Bullet_State,X: D& ^# m9 Q* d2 Q. D$ y! l
- CMP #$01
7 r9 j+ h5 X1 @) o: t1 P; R - BNE Track_Enemy_Continue/ L' d. g* z' F# ^, s
-
4 ^5 d% H+ q4 D- R: x W* l5 W - JSR Track_Enemy_Process7 V* H9 {. d4 V0 F# J
-
% v; W' [# F1 p* d# _, |2 b, v - Track_Enemy_Continue:
( b3 |3 E. b. |8 B' `0 d$ Y - DEX
' N0 X; s# G/ _; u: Y: b- q - BPL Track_Enemy_Begin
1 T4 | G! e% } [& c# n, w/ ]! @ - RTS2 I4 a8 R1 O" R
8 G& {- p& \2 x1 g/ {9 [- ;普通关卡
% J: ?- G. U) k - Track_Enemy_Process:
% N9 M4 G: l; n; w6 { - LDA Track_Enemy_Index,X9 Q' b0 L% j g0 w
- CMP Enemy_Index
/ e# x k8 P8 \ - BNE Track_Enemy_End6 W7 B3 q) W' u( a9 ]6 o
- LDY Enemy_Index2 c0 E8 N' Z7 f& i: E
- JSR Track_Enemy_Y
& Z& G8 L+ y c6 X5 V6 F* k* @. ]4 j - LDY Enemy_Index
" D9 l$ i+ ?% y) Z% X K7 |- M1 B- u9 _ - JSR Track_Enemy_X3 J5 g% z' m& k$ a+ J4 g) A. ^
- Track_Enemy_End:& ~& V0 E% l; h1 v- A2 |4 v
- RTS
# V) }% W# F1 n- M7 N7 G F - ' b- s- H9 }, v% f. \, A2 e5 \
- Track_Enemy_Y:' B4 y8 k/ i9 r
- SEC1 X9 z7 E; r: c8 _1 o! C# j1 _4 R
- LDA Bullet_Y_Pos,X: T Y/ c4 r8 g+ O( h" I
- SBC Enemy_Y_Pos,Y
: c; m8 i+ N1 J - BEQ Track_Enemy_Y_Equal% k0 i( c+ r8 w# a
- BCS Track_Enemy_Y_Greater
. |2 q8 h4 q' W7 j9 B5 k: k -
' X2 `" i2 Z* C) G2 w# {* n - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
; D8 L9 h( Y `% n - CMP #$FC
* S) u( C5 s; e2 }$ T! g - BCC L1_1" U, y( `: X& x' g- b
- CMP #$FE! s- M" P/ ^; f' {# q
- BCC L1_2$ }6 Z" I5 J3 ]% H; W, R4 l
- LDA #$00
$ n7 P! t4 O: L: {* M0 a8 C. i - STA Bullet_Y_Speed,X
+ x8 t) e: \) A - RTS
: l4 A5 F4 c j% ]! G: V - L1_1: : s" g* r" \9 Q% K. M
- LDA Bullet_Type,X
, N% d, x+ R# ?2 T5 u/ Q) i+ f5 e5 W - AND #$0F6 u+ m M: d; S% p
- TAY
$ i; D: g, } _$ L+ E' g - LDA Bullet_Speed_Data,Y
J! l- p( B! q4 k7 k - STA Bullet_Y_Speed,X
. |; A" K* Y+ ~% a - RTS! e4 k) L1 c. `0 m
- ) r( V) S5 e! y- @' H/ {2 }
- L1_2:
$ w6 A) }& r% d+ H - STA Data_buffer o, O. V( I h$ W& P `% q
- LDA #$00
/ \: J7 `3 z6 S& ]7 w, W5 ` \ - STA Data_buffer
7 j6 m3 k8 H; v# Z, I/ R - LSR
2 s5 a' ]4 Y/ |' V" ^& @ - STA Bullet_Y_Speed,X
% M* e% O+ ^. j- n8 m - RTS
, E4 G9 C/ f! O# U3 u( r - & w A8 Z+ Q& S) [$ Y$ e
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
) X/ v, g6 g5 y( M - CMP #$04
8 ?0 ]6 |* [ |7 y - BCS L2_1
3 f! ^6 Z2 q0 b2 A" f9 d - CMP #$04: H7 t4 m, G) a- A
- BCS L2_20 V6 x* a, i$ W
- LDA #$00$ @# E& t0 D9 y/ V# M& w
- STA Bullet_Y_Speed,X
% z& t9 t1 N( ]7 a% s+ H# v& E: [ - RTS
* |( V: y6 x3 x3 Z5 E: ~2 C -
. h- C, k' g7 B9 m, e) T P7 k9 D - L2_1:
! `+ n5 |8 ?2 O- O: N/ j v. x& T. B* y - LDA Bullet_Type,X- H$ S0 w5 F4 K" s. ?5 ?; t
- AND #$0F# W( T% U+ c& Q6 q& ]$ A
- TAY
# z8 y2 Y- p' I. H: v$ G& E6 g - LDA #$00+ x# G' T( ]. a; p7 H7 e0 o
- SBC Bullet_Speed_Data,Y R5 t9 r. \4 k' M" f/ z: A
- STA Bullet_Y_Speed,X
1 z: ?( @+ Y% O' J# U1 K - RTS/ w% y3 c( h" e) V7 N) e
- * f% N8 i! [: H G& }) ^. u' Y
- L2_2:& E* \8 F P; J" u0 \1 Y" \
- LSR5 C/ ^6 o4 y3 ]7 u9 t9 n; y
- STA Data_buffer
( {! l6 r0 ~7 u - LDA #$00; y' l! J! i* A" g
- SBC Data_buffer
0 I, f% ?1 [6 A3 N$ H - STA Bullet_Y_Speed,X
8 ^ c9 i$ Q U) z, Z$ U( p# m - RTS N: ^; J% Z* l6 F f8 R6 Y
- : q/ P- ?. U/ P: s
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 G& B! c: z: Y; H3 D, ]
- LDA #$00
. T# b! q% a; ]6 H# f3 Q - STA Bullet_Y_Speed,X
6 z( I: ^ G# p/ n. g, X* \$ ^ - RTS* ?' c/ b+ U% b8 a2 b/ P) h
- ) P+ @2 R5 q7 l0 g9 h. ~+ w) O$ `) u
- Track_Enemy_X:$ H+ |1 h4 ^- Y2 o
- SEC- v, c# }- A) N% D0 V) k0 J. z
- LDA Bullet_X_Pos,X
( L* m$ x" a! p5 z4 l, ^9 M - SBC Enemy_X_Pos,Y
$ d' y9 x( |1 J& h+ R3 v' \ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
0 H' @. I6 R6 G4 I: D4 y3 R - BCS Track_Enemy_X_Greater ;子弹在敌人下方1 o: w: I" M4 y* E# n) {# S/ c
-
1 Y) ?+ ?4 O+ K7 J - Track_Enemy_X_Less: ;子弹X < 敌人X
$ }0 t* G) T" ^) u' w, \ - CMP #$FC) V( D+ M% y. m p7 D
- BCC L3_14 T6 s3 B1 P; B+ c) p
- CMP #$FE$ b" c" a# ?! p3 X! {9 g: e
- BCC L3_2
- K) W2 w. s! P6 ?4 q& R! M - LDA #$00
2 e7 K: F) r' ]3 [# ~) g - STA Bullet_X_Speed,X
/ n. Q7 O8 s0 F - RTS
& R9 f m' G1 a- x" Q6 L% U& u - L3_1: 9 [$ b: U+ C# z) z
- LDA Bullet_Type,X
3 p& G5 R Q: ?& [ - AND #$0F
& w! E; N* n3 r, |0 n2 R - TAY1 \% s% A: E, y g( K; k% N
- LDA Bullet_Speed_Data,Y1 c. W) Q6 k* F9 I
- STA Bullet_X_Speed,X
7 N Y. E9 B' E: q/ R - RTS- Y0 c7 Y% A* n5 j- A( R5 h: i5 Y$ R; {
- L3_2:
' W. j% o+ T! ^. W* Y, ~7 ? - STA Data_buffer6 Q- f/ E- S( ?, k' h* C+ i
- LDA #$00
; ^" O3 F# D4 G. Q* F - STA Data_buffer: L9 O- _( i$ T$ y
- LSR
7 C# t b3 T% z5 h. B& [9 m - STA Bullet_X_Speed,X
8 r& v9 S% \( z - RTS/ X' A9 e4 s; _" p F+ o! z& f
-
9 Q2 | Q6 J( K0 @% ~ - Track_Enemy_X_Greater: ;子弹X > 敌人X' n5 p! Y+ B7 Q
- CMP #$047 ]& c7 A/ V" Y4 h! x/ Q2 Y5 j
- BCS L4_1& `8 p! v* _' d0 r1 x$ f
- CMP #$02/ A6 Y2 H' G9 `0 Y3 X
- BCS L4_2
) \; N$ H6 J% U+ F) g$ L4 ~8 @; m - LDA #$00
7 ^, h! Y+ u0 C. N - STA Bullet_X_Speed,X
# p& F& q- C' f1 Y, m3 H: G - RTS
, b4 P. Z9 g4 Q0 a& T+ K - - B6 z* k7 I( D% m
- L4_1:
2 d! V" c! j7 I3 d" a J; t' c" d - LDA Bullet_Type,X
' V" ?) T. |8 o3 | - AND #$0F
+ D6 U A7 q! [) R2 L% {( Z - TAY% _( i0 D G" `; f8 f( c
- LDA #$00
2 k7 }+ L/ X, O/ o2 K9 w; p8 l - SBC Bullet_Speed_Data,Y( k# D! N, s- H2 Z( d+ D
- STA Bullet_X_Speed,X
; H0 T# ?+ y% c, f - RTS
! N4 H0 {0 I: G - L4_2:
3 T+ |: G* u# ~, y. s- j d0 Q8 w+ P - LSR
# e* o) w( v! A - STA Data_buffer/ @( f0 o' I |3 C* w
- LDA #$003 H$ |. ^$ g ^( a3 F9 M6 J4 L$ i& Z
- SBC Data_buffer* o0 w" R) G3 c) E8 ~4 g
- STA Bullet_X_Speed,X
0 E5 O7 K# y e4 Z5 d4 Z2 w. ^ - RTS2 C: D: y9 ^" q
- 1 k. n; F+ z& u% z8 e* r* U
- Track_Enemy_X_Equal: ;子弹X == 敌人X+ c# m" n! I( x9 d
- LDA #$00
! o3 i d. b# z5 I9 N1 J9 c2 { - STA Bullet_X_Speed,X6 a5 c- j' F v/ d# i# X* O4 p$ |. W" r
- RTS4 Y1 l0 x4 d, G( E) j7 p/ r
-
* j- O: Z' w5 Q3 ]% S& E! h% D - Bullet_Speed_Data:
$ H c& k: ?/ U$ N# b# s. @ - .DB $00,$03,$03,$02,$03,$03
5 A) I5 e; i+ k# C9 G) v) R2 F5 a - , `# |0 b6 \/ U& Z" B8 d
- ;2, 4关8 }; \* s* t' m7 @2 E4 @; `1 S
- Track_Enemy_Ex:
5 S J: ?" V" f$ O5 m - LDX #$0F
) O" @( I2 t$ n8 H - Track_Enemy_Ex_Begin:
) J, n S5 @& q7 H% r - , J6 |& h0 `2 k
- LDA Bullet_State,X
" v S! b% X1 s' N - CMP #$01
% d! d/ D7 ^) p - BNE Track_Enemy_Ex_Continue
4 o7 d/ ^4 J* Q. U" ~" t -
8 {+ l+ o5 O. w4 [ - LDA Track_Enemy_Index,X, I$ V6 Y* N- F6 y$ k' |2 r
- CMP Enemy_Index/ P+ l8 y: a- O* |9 X
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标0 L* x5 h2 E7 H" J \
-
$ a' d9 l; z2 r' F. V+ l) g - LDY Enemy_Index8 c9 d0 z. m, O4 [5 F% d2 A
- JSR Track_Enemy_Ex_X: A+ @/ w% G4 D$ h
-
; i. [7 S6 t: y7 C - Track_Enemy_Ex_Continue:& L1 K0 @$ ]; i- t; I+ J N. g
- DEX" R9 }7 A2 j* l- M% i( L
- BPL Track_Enemy_Ex_Begin
- ~) U4 L! n) ?) C& H! k - Track_Enemy_Ex_End:
0 o0 P+ L0 s, y: `9 y: C. w" N q - RTS
, |9 ~7 u4 w9 m! o, Y2 M - . r7 n$ I- z$ X; ]0 w
- Track_Enemy_Ex_X:9 S3 n3 u2 z6 q2 e. k
- ;LDA Bullet_Z_Pos,X/ p. P$ M, B# H2 E4 b) r( f$ q$ C, j
- ;CMP #$04. D* |5 ]7 d8 R/ \2 {4 M, n5 ?+ O
- ;BCC Track_Enemy_Ex_X_End
+ x, h$ |6 W; `) \% ]+ {! |. s - SEC/ o& H0 N+ W' @; X: {( `2 k6 J
- LDA Bullet_X_Pos,X2 b# a: I( P$ e' y; o
- SBC Enemy_X_Pos,Y
* L+ Z8 }* e6 M9 l( R3 t0 _ - BCS Track_Enemy_Ex_X_Greater
x3 A- |6 t5 H- H! I/ [5 r -
( M* d" { l$ i- { - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X& G- Q x7 a6 k0 n k
- CMP #$FD; G; X, p0 W6 [4 ~! v9 y! q' D
- BCS Track_Enemy_Ex_X_Less_End. ]+ i$ s. z" A; d4 j0 u+ r! r
- LDA $6020,X
# @6 g! A; V0 g1 o8 ?7 A: @ - CMP #$2A
2 K5 E2 ?% |# Y- @. T, S! z - BEQ Track_Enemy_Ex_X_Less_L1
, W4 g7 k8 Z5 s" w1 d( u' N. z - LDA Bullet_Z_Pos,X8 [' S* e* {' G# O
- LSR+ p/ j, | F; @3 w; j3 V$ \
- TAY! C2 f) s0 p8 A$ Y# K! f: F" n
- LDA Bullet_Speed_Data_Ex_R,Y; M! E* A7 z; S. ?$ l7 F
- STA Bullet_X_Speed,X
4 w3 ^! Y) O# _! X0 B* c - RTS
: y( L" x ^) Q5 b8 n! m - Track_Enemy_Ex_X_Less_L1:
4 U8 O- ^9 p/ b% n3 d - - h' E( O& R: e8 g6 P
- LDA Bullet_Z_Pos,X
/ {& t/ Y5 `$ q3 X% z- M - LSR+ e5 @9 R& K; h8 ^- ]1 u
- LSR n# v O% U# J- } e7 C
- TAY
0 e2 O, c+ T) X - LDA Bullet_Speed_Data_Ex,Y
; h/ o/ n/ I$ k: m - STA Bullet_X_Speed,X# \' L% I. G3 ^
- RTS
4 l4 V9 ], z0 L/ t) X( n -
$ f6 l5 v! A c6 l+ E& q) d& U8 ] - Track_Enemy_Ex_X_Less_End:% t5 A4 a8 o, X% C, o% ^
- RTS
1 h8 i* X6 Z$ C6 W9 v0 u" `, }. _ - 7 {' q9 m4 J! ~: N- V' Q6 d
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
1 U( |' M/ H) ^. b- w) O5 ^% X - CMP #$03
$ E2 w7 B i6 S/ u! P; X - BCC Track_Enemy_Ex_X_End$ `# L4 v& K' O+ v @" @2 W
- LDA $6020,X
4 d. C; O4 z* r( |; \ - CMP #$2A
! {; r" q& K S2 D& p! V - BEQ Track_Enemy_Ex_X_Greater_L1
8 X) P# F$ U5 g4 J - LDA Bullet_Z_Pos,X* f7 H% G& N( E
- LSR
5 L( R- E( d+ D - TAY
! h1 P9 k. U8 E. Z5 v9 X - LDA #$00, b; Z) T5 R. m- T1 k/ \5 j
- SEC
# ?+ L' P5 O' O+ W A4 ` - SBC Bullet_Speed_Data_Ex_R,Y
; L$ v! e; A! i0 p/ c - STA Bullet_X_Speed,X$ r1 `# u+ L, S2 @" j% L5 o6 s
- RTS
" h6 t. N7 ]0 y1 u, E" B - ! E! z- i, Y* W4 a
- Track_Enemy_Ex_X_Greater_L1
( [0 s$ Y" Z& {: F+ X: R - LDA Bullet_Z_Pos,X
& b; J% h0 j6 R - LSR
% n) z' X! g1 |% B4 V0 M - LSR3 D# l! x) |2 _% t( G& n- _. q6 \
- TAY
8 @; F# k; G# S) c6 K$ B$ U - LDA #$00
% ~' ?7 ?; ?6 K1 I - SEC
: C/ H3 |/ D, D( a: {9 S$ I - SBC Bullet_Speed_Data_Ex,Y
8 z, r2 ?/ i5 s7 G - STA Bullet_X_Speed,X
7 J, a1 s+ V3 T$ _ - RTS
4 }: Z# V& @# {8 Y; w8 n& e# v" N8 J - 9 N! [) |+ |. N' T% ?4 Z. R
- Track_Enemy_Ex_X_End:+ D' ?& [; W" o% b4 ^' V3 e9 c4 }
- RTS+ Q; y3 L# `# S" n/ t7 Q
-
2 [+ E5 w; f& P$ ]9 { - ;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)
# {# a# W% c6 U# G5 N: M - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
' Q* e& m2 W3 _2 t! n3 U - Bullet_Tract_Direction:
/ k9 W2 Z' w4 _4 V' _( j; o - LDA Bullet_Icon,X
% F9 `8 F* |5 x2 L$ Z - CMP #$23
, F% j8 k# S# i9 x5 G7 t$ ]8 K C - BCC Bullet_Tract_Direction_End
, M; t8 h: N5 V5 |3 Q q; N - 6 Z& o5 u; u! P( s! H
- ; X != 0
2 j5 x! ~6 p1 C8 j - LDA Bullet_X_Speed,X: f( j- N, p: _7 f" l6 N, L! Q
- BEQ Bullet_Direction_V
9 U# b& z6 d7 q6 m" ] - $ R! ?) A- G6 F% I3 E( K) Z
- LDA Bullet_Y_Speed,X
$ Y n' c, n6 `# ?% {; \3 ?( K( p$ A3 g - BEQ Bullet_Direction_H
$ V, C V7 x/ r6 [2 U# |2 _5 K -
* U( w/ ^6 d3 o, b6 F3 q e- _; _ - LDA Bullet_X_Speed,X( d4 D' g4 W) P/ R; z$ c" ]" {
- BPL Bullet_Tract_Direction_Right/ `" d/ R( t1 a. ?2 N
- Bullet_Tract_Direction_Left:, h% a' F+ u& D: `+ Q# ^
- LDA Bullet_Y_Speed,X
$ b6 t8 }2 r9 k9 Q8 C - BMI Bullet_Direction_Left_Top
2 P, c& A1 E. N8 O1 Y) @3 W. X- E - BPL Bullet_Direction_Left_Down; i, S# A% k7 I/ U. T
- Bullet_Tract_Direction_Right:: A6 q% G( E4 N6 |; \6 n/ }; { r0 u
- LDA Bullet_Y_Speed,X
6 f: {$ q4 r: [3 F% S. P) v4 | - BMI Bullet_Direction_Right_Top
- z+ X+ P% M# |% {" `( {4 D' M1 ` - BPL Bullet_Direction_Right_Down
" K5 v' x" j2 N# u) T6 E - Bullet_Tract_Direction_End:
% V/ S! P! _* F% I3 x5 e7 b - RTS! b; V" } ]0 t6 O. \4 K
; B! _4 d% |% Y- Bullet_Direction_Left_Top:
* y! a- q" A, P* Q - LDA #$25, S) W+ A4 D! W. M# T1 {
- STA Bullet_Icon,X3 z1 R& ]9 H/ n
- LDA #$C0
1 U' [: x4 `7 { - STA Bullet_Direction,X- T8 B3 L2 [* `- [
- RTS. N6 \8 ~3 p) I7 c
- O' \6 K/ G5 S$ M: o- Bullet_Direction_Left_Down:7 u# e, y3 T5 L
- LDA #$25
m5 s# F6 _4 } - STA Bullet_Icon,X
) U! u& s& @0 v4 v: o) f+ O - LDA #$40
$ U7 Q& b5 y7 ~: j8 A; U* B: | J - STA Bullet_Direction,X
x3 }/ h/ i: L2 |5 `$ _$ E - RTS$ M8 a) t# y* u1 g+ B
- : R$ M2 [# H1 ?6 F" V% z
- Bullet_Direction_Right_Top:2 ^4 ?: b; q( E* O; {+ K+ M8 P
- LDA #$25. z, t; x$ [. [9 R: j% ~' r1 q
- STA Bullet_Icon,X/ O, @* L% L% W* j
- LDA #$80
' u7 y8 A/ _5 A - STA Bullet_Direction,X0 P# b/ @, n' Y$ g/ X5 \
- RTS
( a( T/ X. H6 M: K
7 S1 [; E4 ]$ P- b4 i3 c- Bullet_Direction_Right_Down:. }1 Q9 N3 A- y! c+ Y& f2 D8 M
- LDA #$25
7 }" M" T: V) @6 B& P - STA Bullet_Icon,X
5 c/ ~2 a1 {: j$ T+ q4 H2 e - LDA #$000 Q f; }" O# T8 B
- STA Bullet_Direction,X" T: ~8 F0 j6 H8 }
- RTS
. ~4 Y: @8 A- j4 Z) Z) q( S$ ]9 U - ( L' G' M$ _2 z0 v
- Bullet_Direction_H:. m3 |7 Y9 Q0 \1 N& D
- LDA #$24) N& b+ w% F: R) p, C
- STA Bullet_Icon,X5 S3 l9 M6 H4 Y! k
- LDA #$00
% c: U) t4 K: I8 o - STA Bullet_Direction,X; @" L$ b9 z; W3 R
- RTS
- ^5 f; v& T; }
6 j$ {: X( m7 r- Bullet_Direction_V:
. P; j& j1 Q1 Z/ S7 o; h/ \ - LDA #$23
/ e6 D7 w, B2 y5 _8 z2 i - STA Bullet_Icon,X( T f6 [) r3 q5 E, Z
- LDA #$00
! n( A$ S- b! N- x+ v9 b - STA Bullet_Direction,X
) m' C8 w" X1 n/ K% ?$ j - RTS
. Z0 y( \. P8 i7 w - ) t3 H% Y3 C; K9 t! C/ |, K
- Bullet_Speed_Data_Ex:
4 P: A E0 p5 b- v - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04! e" n& {4 `% S3 j- n
- ' E3 A- V, C# y; P: |
- Bullet_Speed_Data_Ex_R: Y7 u! X# l( a2 D p' P3 Q; Y
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08& [- x1 Q( @" k9 B
-
复制代码 & E% w& q# v4 ~2 |8 n- _# d
0 B: X, h2 h0 V/ k9 K5 | |
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