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[FC][魂斗罗][J][追踪弹]
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, X2 C2 X1 y4 H. }1 L. y时间:2023.04.30
0 W* [3 t8 M; q* e9 e作者:FlameCyclone. s( W; l+ b2 F$ B) D) f. s
内容:( m+ a# k1 ?9 ?. x' W; i
1. 所有子弹追踪敌人$ S1 H$ V# ^+ o( C9 j) O- \
2. 选择键切换武器
1 q9 ^0 H" M+ W% I% B' 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
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. S: R5 ?- [# v; I1 A aflamecyclone.ys168.com/ |" j; }/ K9 K$ e; J7 B

2 B8 U/ \3 l' K; ?! m0 w- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
- j. e6 U3 p+ b+ U! m# y - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
6 W( X- {* X2 T R1 k% a - 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)3 [, C1 c. Z5 P; m: _
( N" U4 ]5 }1 w J( z- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
% a; k% k( t: j! ~/ y2 n$ L% D# u3 F5 q - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上2 Y9 D2 r% J' Z* a
* B$ c7 c- X0 n6 t+ L! }- Track_Enemy_Index = $6000
* R: I% ]2 m0 h5 ^; N: [ - Enemy_Index_Begin = $6010; i8 R* |1 H+ I: \2 \
- Enemy_Index_End = $6011- |$ x3 P' ]4 e
6 S3 R) t1 `' S1 E4 X: S4 y- Loop_Index_I = $6012
2 w+ r8 q, I# u& E& O# B6 a: _" g - Loop_Index_J = $6013
" J' T( y0 x7 L: N4 ] - nEnemyIndex = $6014
$ |3 o: q, F4 r5 r$ `+ ~7 O; n; l - Data_buffer = $6015
0 ?& Z. ]8 A* O$ Q3 Y - ( R8 y) b+ I# }* s# l# h
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标) f" p! z( O5 S" C" U) R
- Bullet_X_Pos = $03C8 ;子弹水平坐标' r" B, w& H- s- I: |& L. o
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ l% \' q! _' s9 V5 q; E) l - Bullet_X_Speed = $0408 ;子弹水平速度3 k- _8 l$ j3 }9 y2 S+ ]* Z
- Bullet_Z_Pos = $0418 ;子弹Z坐标
1 v: H! n/ d: x+ w8 | - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P- K* H5 c, ^; t
! Q7 t% ~0 D5 t. _- 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
7 `) I% \9 a: A- U* _ - Enemy_Blood = $0598 ;敌人血量$ w8 o5 ]: G% K4 H
- Enemy_Type_Addr = $0528 ;敌人类型- D. P4 \, h7 V. X! j' m3 C
- Enemy_Blood_Addr = $0578 ;敌人血量
/ C5 z0 x/ s9 I - Enemy_Y_Pos = $0324 ;敌人垂直坐标. v" w" U8 `& `+ }, I) i
- Enemy_X_Pos = $033E ;敌人水平坐标
/ K: [5 z+ L* Z/ n! E3 ^ - Enemy_Y_Speed = $04E8 ;敌人垂直速度. ~, V; w$ I" \8 F: x* G* q) [
- 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 ;
. U3 X, R; e+ \/ O - Time_Count = $1A% a" m# O7 K1 Z
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
. v' ~2 Q! M# K- ]4 f9 K V - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
2 Y/ P( o* a, R# g6 _% y4 K/ M - ' ~7 l) i8 Y8 h8 Z3 Z
' O6 M& p3 r7 j, K9 f- .ORG $6100% ^# j- e8 h8 C( a' b
- Process_Begin:# b3 }' m1 q0 j& ^" s/ u! ?* Z0 \
- JSR Enemy_Check
3 ]4 i% k5 g4 O0 i- N - JSR Track_Enemy_Check+ o, J+ n4 W# z0 c) N; e& U
- Process_End:9 y4 L9 u- {: [# y# T3 n7 T4 ~
- JMP $E54F
x! z; \$ m: \! { - 9 X3 h$ g" Y, h
- Enemy_Check:+ f; ?) s# ?8 E7 ^' z" Q
- LDA Time_Count* n+ c9 z2 @ N% R" h
- AND #Track_Bullet_Speed/ N2 F5 P$ Y$ @$ { R
- CMP #Track_Bullet_Speed
9 \0 @2 L) {( a7 u - BNE Enemy_Check_End
- {% n1 Q, u$ L; o( c - LDX #$0F
) K7 @+ m: m2 x2 y# C$ N - Enemy_Check_Begin:5 h3 [- r/ ]6 D
- LDA Enemy_State,X. ^0 V3 Y* P, m. K& L6 `5 E
- BEQ Enemy_Check_Continue, K+ C- }5 _$ F& j: z4 X: o2 g) s! f
- STX Enemy_Index. T+ ]3 y% F7 X: W3 p9 R
- JSR Find_Begin_Enemy
& i" g8 P* N8 M- N) O - JSR Find_End_Enemy
% |( Z- ?, p+ Q, M) v - JSR Bullet_Track) ]' k3 {8 A8 J
-
- K" y m9 r O - LDX Enemy_Index3 N, t7 U% q1 ?$ C% A) C3 y" ?
- Enemy_Check_Continue:" Y$ W7 z& j! H
- DEX$ Z: { Q" Y/ c8 E
- BPL Enemy_Check_Begin: X9 w$ R* s4 E- L0 C: H( v+ e
- Enemy_Check_End:& E6 R' j! N" s7 V( [4 ]
- RTS
9 _# q! j' V' G6 h; y1 d: M/ p -
+ p- m- G# o9 P! V - Track_Enemy_Check:1 e) ^+ [, n- p' N+ L3 ] ` W& Y
- LDA Time_Count
0 F: J2 |0 i: C - AND #Track_Enemy_Speed
0 G0 A# [! l7 Y - CMP #Track_Enemy_Speed* ^ {4 {4 [2 W9 j
- BNE Track_Enemy_Check_End5 z$ s0 x! ^2 K) l3 f6 @
- LDX #$0F
5 d5 y- W/ O4 g0 @- X - Track_Enemy_Check_Begin:
7 N% i5 ~2 {' F' u4 ? - LDA Enemy_State,X
: `; p7 \0 S% S1 ~" g* l4 u h) k - BEQ Track_Enemy_Check_Continue
1 ?3 w0 K# c$ n2 m$ p( q8 V% _! O+ M - STX Enemy_Index% b: E1 F# ^7 O5 l9 ?4 d
-
; P9 E: ]) I7 [. } - LDA $40, ^! O/ }' s* X! O
- LSR' q9 ~% [2 V9 g: H* q9 h5 c# b* y" |
- BCC Track_Enemy_Check_Begin_L17 P' s( Y8 L3 c! j1 R3 V
-
7 Z! M! K$ u j, Q! | - JSR Track_Enemy_Ex ;2, 45 @2 m" R3 Y# G7 Y/ B
- LDA #$00
$ `* v. o g6 b, L" Z+ h8 r9 m - BEQ Track_Enemy_Check_Begin_L28 \* G% r& X# D4 V
- 1 ?+ V+ \! O3 R: z# Z5 N
- Track_Enemy_Check_Begin_L1:
1 f8 M0 {* n0 o6 ` -
7 ?+ {& F# A" o- E; t# `$ T& X - JSR Track_Enemy" o! m+ H# }% _" F
- " D3 Q) ~: T: ]1 c+ r" P
- Track_Enemy_Check_Begin_L2:0 _% Q7 o' ]1 T7 J- S
-
, w% Z+ t+ S% n# Y6 f - LDX Enemy_Index
) O6 F- Z% j, g( r$ X0 [ - Track_Enemy_Check_Continue:* r& C) g0 o2 j
- DEX
6 N" u4 g6 V, c7 t; m - BPL Track_Enemy_Check_Begin
3 ~8 @8 a2 p `% h5 u7 U - Track_Enemy_Check_End:7 {# @& [; V# ?. X7 i3 d. h
- RTS6 p$ d8 y$ F& u) ~3 ]$ _
+ a6 Z. e: O. f) I* l& B# w% J p- g- 7 t3 c' ~ ?" r: ]: n4 s
- ;查找第一个敌人
s9 _- F* D! v' O; ^" e - Find_Begin_Enemy:
G; k0 W& I2 @! ` - LDX #$005 ]( ?( [/ v) C. Y2 ~) C1 e' s
- Find_Begin_Enemy_Check:
8 k" S+ n, f5 ` - LDA Enemy_State,X
% s+ t9 u3 t# O# h - BEQ Find_Begin_Enemy_Check_Continue
8 z0 E; z T0 V4 H f2 V2 B f - LDA Enemy_Blood,X Y, Q- a; F' s
- BMI Find_Begin_Enemy_Check_Continue
$ m& U4 B8 Y, N$ `' n! d$ u( [ - BNE Find_Begin_Enemy_End# a, |. K2 F; L8 X. ?( J) x
- ' X2 J' K; q. y0 k; g, M
- Find_Begin_Enemy_Check_Continue:
- \% B+ O2 V1 h Y0 ^9 B - INX/ S( ]/ w- s% y+ J' a4 T) Q
- CPX #$10/ L" U3 r1 J5 T4 Z3 t
- BCC Find_Begin_Enemy_Check* ?" p ]6 U$ S, c
- Find_Begin_Enemy_End:
* I$ c3 W; v! b2 ~% A I* {1 n - STX Enemy_Index_Begin' d5 B- P0 f- z( O. v) Y1 H
- RTS
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, a$ M, A- `; a1 T* y- ;查找最后一个敌人+ h( Y* J" X8 s) w' ?1 y
- Find_End_Enemy:
$ n& {# {+ L! U- F0 {! ]7 r) p1 W - LDX #$0F( u1 c9 |9 q# o, H+ o
- Find_End_Enemy_Check:
, j' _1 J N* X7 e* d. R1 x - LDA Enemy_State,X* W+ { ^% A* J7 @! ]% E
- BEQ Find_End_Enemy_Check_Continue
0 w# h% c1 \. L. D4 u - LDA Enemy_Blood,X
! p( D; r" e) j7 {2 t/ t8 J - BMI Find_End_Enemy_Check_Continue7 S. ?% f' ?! h; M
- BNE Find_End_Enemy_End
- i7 u! z& P7 s/ R( c) e2 @% M - 2 P/ a0 G- U% @/ Y: _5 m
- Find_End_Enemy_Check_Continue:
$ e/ x' y: ]5 b& o) {/ A - DEX0 b4 M2 ] {. B) e( N" ]' S7 \
- BPL Find_End_Enemy_Check
0 v# z8 m' h/ c |5 F - Find_End_Enemy_End:! I$ S, Z9 Z5 F$ W3 n
- STX Enemy_Index_End, y x' p1 P1 z# R
- RTS
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$ ^2 V+ \. e$ z b- ;子弹追踪2 I% Z9 W- L9 Z. K8 {4 w
- Bullet_Track:
& F2 a0 ], W7 @2 [; U4 e - LDA Enemy_Index_Begin
2 G$ |& _# P& a7 N% X R* ]9 ` - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
% a4 d$ Y6 M1 L/ V' n) } - LDX #$00
* [6 @ z$ F9 S3 J; c: ], U - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)9 E1 r: _% k5 \) \/ i: H( v
- LDA Bullet_State,X4 \9 T, u ~2 K' Y
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;% N4 E$ z" k: E4 F
- STX Loop_Index_I# B$ L' m6 ^3 Y \" v
- 4 Z. @$ k5 G9 n+ l% m, J
- JSR Bullet_Track_Enemy' }& o \1 a2 d% ]* T' B
- JSR Bullet_Tract_Direction
9 \* m6 |( P0 U0 C5 z/ V - 0 S- ]7 g% p- q3 w- T3 L
- ;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
+ G3 x) |0 E* g! Z3 g - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
. R: Y8 }( j h; L( Q z" ^ - LDA nEnemyIndex
4 R& A( w! O- r g4 z - CMP Enemy_Index_End
$ X Y0 o/ ^" x - BEQ Bullet_Track_Check_Continue8 t- ^+ Z5 N6 Z# `$ F/ b
- BCC Bullet_Track_Check_Continue+ y# ?$ `5 u1 D
- LDA Enemy_Index_Begin
3 T+ D' v" o8 g, d - STA nEnemyIndex
, f' I6 N- I6 o% o$ J4 Y5 o% o' z% r - % w. G; k! {' D3 r$ J& f% n
- Bullet_Track_Check_Continue:
1 D: J3 M! e9 \2 h, n) D - LDX Loop_Index_I
0 r' u4 Q* G" d9 x( g* M& k - Bullet_Track_Check_End:
! a( H0 I% a K+ V3 ]$ { - INX
# l# Z; ?# o3 `6 a9 s/ S - CPX #$10; w: O9 j& i5 D' _
- BCC Bullet_Track_Check/ V$ T N [0 s6 S6 H/ e
- Bullet_Track_End:
0 U7 g/ k! Z4 z - RTS! N/ H/ l# D/ f
-
* |* Y8 h7 P; J, H/ N) |: | - ;给敌人分配子弹
/ l# J) E- E. L" w# V b( | - Bullet_Track_Enemy:. [( d7 r# j4 q9 t2 Q" s6 U( b' Z/ c
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
~) I! {0 [& b# s+ C9 ^ - Bullet_Track_Enemy_Check:1 }" a8 }5 Y& g \, i7 w3 S
- STX Loop_Index_J1 X. |& l$ f, M
- 7 F7 k0 T$ [9 o: L" z
- ;if (0 != nEnemy[j] && -1 == nTrack[i])9 G' T( W4 W. [! e
- LDA Enemy_State,X
& o0 \; T9 |7 |9 G" i/ `4 M - BEQ Bullet_Track_Enemy_Check_Continue
" a* W( U7 M! Q+ v V - LDA Enemy_Blood,X; c" L( b \' N% i; U- `+ A
- BMI Bullet_Track_Enemy_Check_Continue
) g8 k& z3 B9 f9 X -
/ n- X/ W$ u @/ [6 {0 a6 _ - LDX Loop_Index_I$ F ~: U3 [5 m4 ?( q% ?( j
- LDA Track_Enemy_Index,X- Q) q# [! X; g6 r, f/ S: Y3 {3 Z
- CMP #$FF
; _* O- p" c' }7 {3 S5 Q - BEQ Bullet_Track_Enemy_Init
' _' m, r3 T) t7 _/ | - * @3 R" i, q# F( ]1 b! h+ `
- Bullet_Track_Enemy_Init:3 G, i' e- w5 y$ [+ {4 ?
- LDA Loop_Index_J
2 R S2 y( D# q - STA Track_Enemy_Index,X ;nTrack[i] = j;
( @. V6 w2 k8 R - 9 f2 O" s! H% w0 x6 S
- STA nEnemyIndex
6 x* \; Y/ Z+ C - INC nEnemyIndex ;nEnemyIndex = j + 1;
0 Q9 J: `* `9 L9 [$ T0 o - RTS ;break;! n5 R+ E; N/ @" n, k
- 8 [/ ?, T( s) z2 V& J6 g% \
- Bullet_Track_Enemy_Check_Continue:3 [. F2 y1 P+ D, |' A5 \
- LDX Loop_Index_J
. q1 v/ P x/ K, x - INX ;j++, M* G2 w2 C: R0 A8 w$ X4 T
- CPX Enemy_Index_End
) A* }/ |) [5 {% ^ - BEQ Bullet_Track_Enemy_Check
7 Y5 ^2 ]/ h6 D5 t - BCC Bullet_Track_Enemy_Check
2 l4 m6 K% h5 T - Bullet_Track_Enemy_End:5 K) O# v" }) A* W
- RTS
8 z; l1 q2 i2 r( p* F2 `3 J8 {7 | - : t. O' b; w5 _5 x5 z* z
- Track_Enemy:
% v9 o' a" S2 L - LDX #$0F4 F7 H, {% R3 Y$ b/ G5 G
- Track_Enemy_Begin:! F, u% s4 m0 G, t) X9 J/ V
- LDA Bullet_Icon,X
: k5 r6 c3 A v# B4 ]. E9 x - BEQ Track_Enemy_Continue
9 w6 }% _1 Y# Q) |; C# q' c - LDA Bullet_State,X0 n) v: @' ]2 w2 P/ z$ U1 I! m: Y
- CMP #$016 ^9 w4 p1 m V& p* ]$ Z% F# D3 f( {
- BNE Track_Enemy_Continue8 a* T! }* k+ T+ o, r
-
. X7 y; g( ~ Q3 T! C8 o; U - JSR Track_Enemy_Process& I% @: d e. I3 S: f5 |
- 7 i- `" q& p0 i% E& F; D( Z
- Track_Enemy_Continue:
0 _! a1 t8 m" p* l d# r" j9 D3 C2 f - DEX0 R2 j3 a9 o& u6 ]. G8 j
- BPL Track_Enemy_Begin- X# ~, E% c7 q$ L+ u' F1 F8 @
- RTS5 ~% ^) n' g' B; p: P) Q" P
- 0 Q) `+ H5 w( Q: u% N
- ;普通关卡, c* m" a* d$ L8 F
- Track_Enemy_Process:# Y% @% Y# N. _% [$ A: ~4 {
- LDA Track_Enemy_Index,X: k& n; p+ z: E% W* v
- CMP Enemy_Index
& n4 m2 C7 Q. p D+ M$ g O - BNE Track_Enemy_End8 g9 t1 D8 _5 @) r1 |% W2 z/ h
- LDY Enemy_Index# a5 Q3 P- V3 [( q& Q
- JSR Track_Enemy_Y
/ Y3 c9 K6 Z! h! x - LDY Enemy_Index4 E+ g' f5 W4 r! B+ h
- JSR Track_Enemy_X
+ _2 R9 z* n- ]" S0 I - Track_Enemy_End:
/ a( ~. [8 N. D' W" ]0 O. {7 d8 Q2 ? - RTS( x6 Q9 b; z" _ B4 c2 V( h
-
0 ]6 A/ ]2 J) F9 ?# [0 s6 } - Track_Enemy_Y:
* `2 L* Y4 K* I0 j8 i - SEC
: k1 B! Y( I" V& Y - LDA Bullet_Y_Pos,X
- ?+ d: R+ R D' b, @ - SBC Enemy_Y_Pos,Y
& @- h. E3 m# i" p& R - BEQ Track_Enemy_Y_Equal
, M2 F9 g" {9 [. @$ O2 n - BCS Track_Enemy_Y_Greater
N. ]% U9 |; ^$ n$ K4 O - 3 {8 _+ Y& i/ q# c
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y, ?" S4 s( D: S
- CMP #$FC! n" E; D2 R* p l. J
- BCC L1_1
2 b1 a- Y1 f4 e- r' v1 Z& H1 Z - CMP #$FE4 }, u+ ^8 Q% X1 h' U1 V9 ~
- BCC L1_2
8 r. K3 R, R2 x - LDA #$000 |% @ A- Q) _- H9 s
- STA Bullet_Y_Speed,X
2 w( R/ D8 H% W$ A& t& B - RTS( j4 @ K2 r4 g$ | \- _- ]
- L1_1: * f9 ^6 p/ ?6 x
- LDA Bullet_Type,X( h0 J$ A* K( M9 U# e
- AND #$0F% I2 R1 k d; l5 P
- TAY
8 @( a$ ~( H5 H$ d0 M - LDA Bullet_Speed_Data,Y4 P0 \- a Z+ j- l3 Y; K
- STA Bullet_Y_Speed,X
2 H! d5 W5 _) P- p6 v5 U x6 \ - RTS
! f3 B/ M- ?; x. J+ k2 V
/ g' h% H- r0 n5 @: A- L1_2:
: s X1 |( `* }# M R% h6 J9 o6 F5 O( Q - STA Data_buffer
- u. ?8 j. Y/ f& n# a8 h - LDA #$00
/ _9 ^& i7 I$ w$ I( c+ {) | - STA Data_buffer
. z+ ^) _" l1 T4 A - LSR
7 u* V1 b/ `) v$ X: \ - STA Bullet_Y_Speed,X6 z- k" c; h# Q+ U, d; l+ K2 i
- RTS
! s4 o( {& L0 d6 \
% X/ e f6 h' a& s: x- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y2 `" w8 X. o: L6 E7 _
- CMP #$04
+ ~, v% U0 |0 v' |6 @1 ` - BCS L2_13 L( C. N- v& N
- CMP #$04
: _, }1 g3 ^! U" q$ S# f+ g - BCS L2_2/ g) P# ?3 b( }( A+ N5 ~: _
- LDA #$00
s! z% W m3 C/ L; f! n% | - STA Bullet_Y_Speed,X
: Z6 N5 G( D% o2 ~ - RTS
" C! }) A! w m8 H' Z& e -
- @3 o4 N0 m% Z5 P5 J# ?' a - L2_1:- |( V0 r5 y. a: n; t, i8 b# u$ k
- LDA Bullet_Type,X- o m. v& d: L
- AND #$0F
+ u. ~8 L: Y. ]/ ]9 K; N! S) y - TAY
; W% k6 f% t$ Y7 {5 k/ C - LDA #$004 I5 m" K1 V% c/ d
- SBC Bullet_Speed_Data,Y
8 e& G# L# R J: a0 T* [ - STA Bullet_Y_Speed,X
4 M3 K5 h$ l0 G( k' g - RTS
4 i! R* W7 t% y* { - ; `4 i1 }: w/ Z3 W! @+ q
- L2_2:
2 S& r9 x7 V* U2 x1 U5 w8 q+ y+ [ - LSR6 J' R1 j- T3 K) Y6 w
- STA Data_buffer5 x* d! J. X1 k( P
- LDA #$00
" |- O& y3 \. E - SBC Data_buffer- \( l" m9 X; P$ R4 \* y
- STA Bullet_Y_Speed,X: C r6 b2 i! q3 t8 j
- RTS6 A8 l! I: ^2 ~' q, z' e& p
- . u- r( J5 r* L+ v5 p# K9 S6 ?+ L( `
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y1 w3 I6 I4 @8 B. M6 q
- LDA #$00
" U6 ^; Z7 p4 t$ t6 V4 h9 a - STA Bullet_Y_Speed,X
( C, j6 G, ~$ ?$ Y, ~, {% o+ q - RTS$ b; E/ I! r1 K4 p6 o S
-
+ l, ^" n' @4 n8 X1 L: N - Track_Enemy_X:- q! h7 O9 T( [5 O' b
- SEC/ x0 M& N" |: K2 d( w4 V, V
- LDA Bullet_X_Pos,X
! C5 ?( z9 ^# y6 ~( m; ~ - SBC Enemy_X_Pos,Y
' [ g. U9 m5 x0 Z: B+ w; H - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X7 ^1 P/ B/ g& f" o+ F
- BCS Track_Enemy_X_Greater ;子弹在敌人下方( |2 a( `: N2 f U, @0 V/ P
-
1 m. M9 }+ i7 y Z. T - Track_Enemy_X_Less: ;子弹X < 敌人X
& w& C/ o8 j( m - CMP #$FC0 X* o' c0 J- L; q
- BCC L3_1; Q3 [5 v+ b, r, r5 ~7 v4 v. c3 \& i
- CMP #$FE
0 j4 s+ W. H* u( h - BCC L3_2
6 a/ h: ?8 f# C4 p) R. z - LDA #$005 L w, U3 G" g3 M
- STA Bullet_X_Speed,X
6 _- C! d! J) {) p1 P$ z2 \ - RTS( J- I8 k/ j0 `1 N/ x
- L3_1:
7 m" a' B/ l# W" k - LDA Bullet_Type,X
, f; ]8 z8 p/ K$ v4 L6 O - AND #$0F, m1 Q! P5 [6 O: w) I
- TAY5 b+ r; o2 e# B& _
- LDA Bullet_Speed_Data,Y
2 z( L& s; @0 o4 M# c# V - STA Bullet_X_Speed,X
7 K! q* f7 [$ U& X - RTS# Z' Y0 e* @* z2 Z& B
- L3_2:
: }/ L7 n0 y: C: I - STA Data_buffer
- J" A7 A" \5 y" K4 H1 C" S- ^ - LDA #$002 v' I0 M" h- p; |- h
- STA Data_buffer
1 a7 [& ?2 J. S) v: ?0 i1 j, \ - LSR( p* j A3 s2 s8 h T) Z* m/ Z2 M
- STA Bullet_X_Speed,X
9 g5 J1 U4 S9 m+ R0 v/ @9 T - RTS
& r, q0 M, W; \- j - 9 h8 b8 n+ d3 B
- Track_Enemy_X_Greater: ;子弹X > 敌人X
# E( V7 F) }, v& n5 x, [+ f7 x - CMP #$04
7 h3 R- ?" J( J( }5 e! P# z - BCS L4_1
S$ G9 N8 q. r' x# [ - CMP #$02
]5 \# _7 [' i9 J* ] - BCS L4_2* u0 l3 m& d: P5 o: ?
- LDA #$00$ d$ {2 D( n+ ~' P# M* w
- STA Bullet_X_Speed,X6 T; l" r+ e/ m; E
- RTS" x% a% _5 I e9 p0 W" |% E! O- F# |( s
- * k9 V" y! y$ e# Z% w
- L4_1: , V8 r$ q' D' ?& L* N. l1 U3 B2 J
- LDA Bullet_Type,X6 Y# ^) b7 A* v1 V
- AND #$0F
/ o7 O5 R0 K4 B$ \& { - TAY% k4 @& A+ c. v8 g+ S
- LDA #$00
5 c* d% G+ [5 J" A- U' C - SBC Bullet_Speed_Data,Y
4 T( i+ `' Z/ h7 Y% P8 o - STA Bullet_X_Speed,X* e; n% s4 W# F# _7 ?
- RTS
& B( n2 G) B- E( ]' G- b8 K5 Q - L4_2: - \6 `7 t/ _2 f
- LSR
5 e$ K" g I' B' E: s - STA Data_buffer
1 ~# I$ u, z ] - LDA #$00/ Z& x3 v; t3 M5 a7 [; \6 k6 X- _
- SBC Data_buffer9 U7 q- R+ N! e t4 J
- STA Bullet_X_Speed,X
2 S& \( _: U( o7 M Y - RTS
# |; L5 ]8 y% O$ ]) { -
$ p( q# h I, t - Track_Enemy_X_Equal: ;子弹X == 敌人X9 T& t/ r2 E& G' `- h$ g
- LDA #$00' A8 k- F2 a T0 g$ k6 T
- STA Bullet_X_Speed,X
& U5 D" ~9 j$ d3 t# S - RTS% g1 p* F0 F) j, D1 f
-
8 J ^/ O- f: M$ o# N) f4 q) s+ D - Bullet_Speed_Data:
# e) Q6 m& [. x1 I8 J - .DB $00,$03,$03,$02,$03,$03
' d) p/ e) }8 F - & d, K; W; K4 \+ r9 f, Y8 a8 Q& n% q
- ;2, 4关
' G& l3 H: q" i$ m+ K' |8 } - Track_Enemy_Ex:
P+ h9 k4 m7 h$ R( A - LDX #$0F
/ ^7 u# `& s& k ~( E6 }! r - Track_Enemy_Ex_Begin:
! u) g! V5 f* x
5 R* i: A5 m( y3 }- LDA Bullet_State,X
+ E* y& Z7 p4 t( l - CMP #$01
, u3 k3 n8 D( K( R) Z" S+ a9 o8 ? - BNE Track_Enemy_Ex_Continue5 M5 M3 L" `- A8 M( i, Z$ Q
- ( |6 A* U5 r2 y; e4 z
- LDA Track_Enemy_Index,X7 y+ b- w3 W" F ]7 N
- CMP Enemy_Index
" ?3 h0 @6 V8 G- N - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
8 l3 T* ?: T: p1 S0 H& N - ) H, t* d S* e) Z
- LDY Enemy_Index
5 g* A8 ?7 L* r/ c, a8 |- ]1 f - JSR Track_Enemy_Ex_X
& V% q. B) }3 V1 O0 z% v( w. y2 j) { - & M* c' g6 g! I
- Track_Enemy_Ex_Continue:+ l! h# Z/ Z( \7 f2 E
- DEX: ?; V: ~- v& U8 j3 P9 T
- BPL Track_Enemy_Ex_Begin+ u" `; A$ Z! R6 m6 k# o
- Track_Enemy_Ex_End:
4 s" s8 v: W ? - RTS. I$ E: E% w0 Q4 n
-
, [. h3 f3 L/ K! r) R/ b - Track_Enemy_Ex_X:
& C. Q1 d1 T5 b4 `5 a - ;LDA Bullet_Z_Pos,X
0 _ _5 U5 E/ y1 G r# a }* u - ;CMP #$04
; s) D4 L2 L' ~1 e - ;BCC Track_Enemy_Ex_X_End
, P S X- m4 E& v - SEC
- K- T+ r% V/ j- D6 i% [ - LDA Bullet_X_Pos,X
4 g4 G, L# A' |: w - SBC Enemy_X_Pos,Y
/ v7 g; W: B8 M - BCS Track_Enemy_Ex_X_Greater
* N. z! y; g7 G; e- X - + b8 {& u8 p* N" q9 m& G7 j7 k- u5 G
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
; ]( r* ~& ~: K7 T - CMP #$FD
/ m$ k' j1 X3 F1 Y5 w; g - BCS Track_Enemy_Ex_X_Less_End
" M! j4 a9 C. D) k z& |6 S - LDA $6020,X
9 ]3 q: u9 Y W% `% @2 X - CMP #$2A9 g: j; k7 ]4 v( M" @) F3 ^
- BEQ Track_Enemy_Ex_X_Less_L1
8 U( X9 N! x! J5 S8 r! H - LDA Bullet_Z_Pos,X" d% ?& ^" _4 \+ m5 E3 f; s) A
- LSR: w4 d. i9 }8 U$ { r
- TAY3 {# h' L3 y$ l; A. q1 N
- LDA Bullet_Speed_Data_Ex_R,Y
! l% e/ g- R3 N - STA Bullet_X_Speed,X
) K( T* j$ B' K - RTS" x) `# n' d+ q/ S$ ^/ Z F3 y
- Track_Enemy_Ex_X_Less_L1:3 ]8 E5 o4 S) J
- ) z$ Y/ P1 K* w e9 N& V
- LDA Bullet_Z_Pos,X
+ W- w. f0 n C1 R/ @ - LSR/ ~4 `- l7 a. c6 z5 r$ C3 Q# R
- LSR1 @! u: \% m4 V) V* h: G
- TAY
! ]: s7 H' \4 B& E - LDA Bullet_Speed_Data_Ex,Y: N8 }1 g+ p4 C
- STA Bullet_X_Speed,X: O8 h+ ?/ @ x! k0 M
- RTS' f3 P; v7 P9 b- w
- ) [2 r8 Z; i3 l8 r7 R5 f7 w
- Track_Enemy_Ex_X_Less_End:6 g3 f+ G, H9 x( X- n1 N
- RTS
( J. I2 k4 x8 K% k/ }8 N
. ~( x9 G, S2 G. ^- C- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X3 q+ s2 Z% l2 L/ R
- CMP #$03- H* P! j9 @; m' Q+ r* A9 ]; k; G
- BCC Track_Enemy_Ex_X_End6 V" {, ^) b( q, N7 ^# s
- LDA $6020,X& q0 e5 H. Q4 d I8 z5 V7 G
- CMP #$2A' H/ _$ g& `/ l; J- Y
- BEQ Track_Enemy_Ex_X_Greater_L1
: B) C$ \# ]+ g- t - LDA Bullet_Z_Pos,X
$ G4 o" y( b: C4 A8 W: L5 f - LSR8 x1 |6 e& }# F+ I
- TAY0 t' T' l) E7 {. t! }
- LDA #$00
- X/ k6 |- Q1 X6 P( w - SEC
: a! \8 e2 T9 j- Z - SBC Bullet_Speed_Data_Ex_R,Y7 Y% H2 s. m8 }/ N6 D- W; v9 v$ R
- STA Bullet_X_Speed,X
& y: D1 ?! d" ? - RTS
" K# [) Q4 u5 R" G; R2 U9 B9 Y) z0 t - % Y! j5 h- f# n/ f6 c. _
- Track_Enemy_Ex_X_Greater_L1
W8 A0 k' |8 l/ M8 m - LDA Bullet_Z_Pos,X* b4 S$ _# d, v$ H
- LSR; P. g% p2 ]+ L6 L
- LSR
3 [7 q$ J/ T; g - TAY
% l3 J- q' c: T# H1 z$ `8 v - LDA #$00
3 [" k/ ^; g- f0 X+ n; A6 m - SEC
' L: E# v2 [+ n% L( d - SBC Bullet_Speed_Data_Ex,Y3 s6 j. P: A; n; A5 `
- STA Bullet_X_Speed,X+ S. A+ l5 o! E+ u* z- K
- RTS
6 o8 s9 C; ~ G0 r* W- c - 3 ~1 K7 f" M& C- Y4 y& Y, ?
- Track_Enemy_Ex_X_End:; u2 U+ ]( X4 `5 `" O. P9 g. S
- RTS
. Q9 C" S0 ^, l4 r4 \) m -
8 R* Q( X. K& e+ j6 J K9 ~( q - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)3 X$ l5 R" p% r% d
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上3 O( e8 y- M6 {, N; k# e* R) R& o
- Bullet_Tract_Direction:
) `# i4 j9 k' `1 ?8 G2 t8 _ - LDA Bullet_Icon,X* {8 y. m" B* g+ ]" Q; E
- CMP #$234 D$ q( X9 E$ i! B6 I6 r' j
- BCC Bullet_Tract_Direction_End
! N; ] g! A5 ~, I% A" l! _8 w - & ^& Q" v2 h. V& M4 e
- ; X != 0- S+ Y( m D* E6 {0 r$ H) _
- LDA Bullet_X_Speed,X8 u2 K9 I8 J8 I0 W( M% b+ @2 D) p
- BEQ Bullet_Direction_V
+ X5 B7 X, F, l, o0 ?. W' }& [ -
8 ^$ S/ \1 H& m8 M; @ - LDA Bullet_Y_Speed,X: J- A+ ^1 y! f7 J% M' v; i2 I; k
- BEQ Bullet_Direction_H
9 q# e; P3 I9 K( {2 z! ` -
0 p9 C: M2 I b; g4 A8 x" m2 H: x - LDA Bullet_X_Speed,X
8 Q$ }% p9 b& t! u+ W) s/ G - BPL Bullet_Tract_Direction_Right
7 m1 l; @# Q; d( i* o; P9 U7 d9 [ - Bullet_Tract_Direction_Left:
3 z4 E: }, u4 M' e0 O) p1 X - LDA Bullet_Y_Speed,X4 @" K( @# w2 ~( ^) D2 y
- BMI Bullet_Direction_Left_Top' j, D) `7 _ h$ ?* D7 i/ f
- BPL Bullet_Direction_Left_Down7 [& y) W! g( q; k! f
- Bullet_Tract_Direction_Right:
- p; D2 s! V- h1 o* e2 t0 W - LDA Bullet_Y_Speed,X5 R! b/ v- i( `1 t
- BMI Bullet_Direction_Right_Top, R0 ~- i- A2 j, w% _9 P0 @
- BPL Bullet_Direction_Right_Down$ I4 w, P @% K- Y2 Q5 C" b% P
- Bullet_Tract_Direction_End:
7 p$ K$ c5 Q$ y6 i7 g& b* @ - RTS$ F, C0 ~9 A( ~; _
7 |9 v. a, l w9 U& U: y- Bullet_Direction_Left_Top:% m6 T: W% s$ I# M' H$ q$ i
- LDA #$25
% |. V- K( B8 [) J) w; N - STA Bullet_Icon,X
& Y& f0 {% q. D - LDA #$C0
* n5 `5 x6 c# q; X - STA Bullet_Direction,X
( F4 q8 \! @% H1 [( ?. H/ K: E - RTS
; ?0 [1 e% A& M) ] - ! Q. e) A* e; L
- Bullet_Direction_Left_Down:
4 v' U6 N! Y% X0 W" u - LDA #$25
- e2 O" G" t& S - STA Bullet_Icon,X& T) s* l2 _2 \5 h+ W- w
- LDA #$40/ B2 n8 S5 [) m
- STA Bullet_Direction,X0 R1 ]8 y3 j f! p
- RTS1 j& d0 v# X: ]' v" [
- 2 ^8 |1 o; A- W3 y0 m8 a
- Bullet_Direction_Right_Top:/ }# w+ O! O) g4 ?* Y2 P
- LDA #$25
9 u8 p* V4 v1 u' U - STA Bullet_Icon,X4 b/ y6 Z9 p3 b0 ^
- LDA #$80
8 {. ~* h) O. }" f - STA Bullet_Direction,X
7 g' ~6 j, |- p - RTS5 q$ c% e3 Q- F1 o% g) K
- # K7 P7 [1 s( J7 ?9 p% q, B9 U
- Bullet_Direction_Right_Down:
. a: \/ ~) |3 i* f* f! p" @9 b - LDA #$257 B o5 }! X5 K1 U
- STA Bullet_Icon,X
, _9 J+ C5 N, n) x W - LDA #$00
; n& J9 C# y% ~& ^( N - STA Bullet_Direction,X/ o% ]# i8 X5 N& H4 A+ [
- RTS
2 U* l) z+ h7 u3 P) s
; w4 j& U7 D7 l5 [4 X- Bullet_Direction_H:7 D' x) K$ l: e0 H8 R. R6 k) G/ G
- LDA #$24! T+ Y1 s% @* T _; x, w& o& Y
- STA Bullet_Icon,X/ i& ~" e$ Z7 V5 M8 q+ y
- LDA #$008 K2 G1 ~+ z9 S" u. O3 @. k4 a
- STA Bullet_Direction,X6 g- o8 B+ D4 \1 |0 V8 [
- RTS T5 h1 Q. |! t4 x
9 X' }3 i/ ?4 g! g- W- Bullet_Direction_V:
$ [& ^4 P* A- K" E+ S - LDA #$23
( ]" t* o; r4 l; n: k# j1 C - STA Bullet_Icon,X+ P4 ?9 t; j% G
- LDA #$00/ v4 H: b. G) v9 x9 v
- STA Bullet_Direction,X
" W. ?% w; p w& E! v; c - RTS
) @, _. O! P, o# H1 E; b5 e
9 y) j. P& O/ _% b S V- Bullet_Speed_Data_Ex:3 x5 F7 Q W* T, _! P1 K/ ]
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04! |6 j- A# f! ?, C2 `# a$ b+ F! J
-
& h, Y9 |' d3 | - Bullet_Speed_Data_Ex_R:2 Z2 e9 ~, s8 K: _; N d
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
' V; q9 u. i7 [: q0 X0 m -
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& b5 ~ F7 c" K; X" @1 G X3 D& d |
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