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[FC][魂斗罗][J][追踪弹]
: H0 Z' C. o9 B" n. T9 ~: W0 R& B, ?# a# O$ o; Z( T. X) S- `) f
时间:2023.04.30
4 p( x! s# I# w( q* R8 t6 g作者:FlameCyclone
2 B+ |; |" b2 F6 B1 R内容:
+ F; q( R- v5 j2 R9 a$ K7 E 1. 所有子弹追踪敌人: F J4 R0 ~ Y( z4 K
2. 选择键切换武器
( N0 K+ ?- J( p& J9 c 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: L/ v) J5 ] E5 q/ M
9 v# d/ }$ q- ~1 eflamecyclone.ys168.com D0 z& i5 J2 M8 C `2 m9 Y

1 ~9 C2 a+ S" H: ~( S- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁* S& w; f0 [" t* A: r7 v
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
6 o" U/ X6 X' `0 f# X+ U6 { - 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 _( Z) N! [% i! _- H
- ( }1 K" Y4 K- y/ ?4 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)
, u* [/ k+ X+ ]7 N( x( n X - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上5 j. B7 q- j" J) I9 P9 J9 U
2 x) o* L$ q5 z/ f- Track_Enemy_Index = $6000( w' f. {3 D" k+ O8 r& U: o: r
- Enemy_Index_Begin = $6010
/ i0 ?/ G i3 y! ? - Enemy_Index_End = $6011: l2 j9 v3 o% e! m! E2 b
) i3 H. i6 _5 S- f- Loop_Index_I = $6012
+ J2 E/ L2 o& H! Z, T4 h - Loop_Index_J = $6013
7 x; p) }' [7 R& ?$ E- _ - nEnemyIndex = $6014
7 x8 H/ G, e4 W - Data_buffer = $60157 C4 O; q% H5 ^% s8 L) D; Q3 Y8 k
- ' H9 `2 R" t0 n* \ y
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标( p3 F* `4 F; A" B
- Bullet_X_Pos = $03C8 ;子弹水平坐标5 ~5 U+ K3 O5 K1 ?7 W" M
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
4 z1 r. I0 q9 s, H - Bullet_X_Speed = $0408 ;子弹水平速度
3 E; Z# h4 z2 V; ^ - Bullet_Z_Pos = $0418 ;子弹Z坐标$ c2 E8 ~! t9 q. F3 H
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P; O5 x; C O7 J2 T& ]# ^
; ?; H- H+ A$ r$ x+ P2 b+ f* x1 ~- 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. L8 P' H" W# ]- G
- Enemy_Blood = $0598 ;敌人血量( C1 Y" U4 Z, }1 e) s ~
- Enemy_Type_Addr = $0528 ;敌人类型
/ w+ h! u) F. v - Enemy_Blood_Addr = $0578 ;敌人血量
' A d2 O% q; `' h! N# I9 d0 f" M3 d - Enemy_Y_Pos = $0324 ;敌人垂直坐标$ M3 Z: P8 [3 o8 s
- Enemy_X_Pos = $033E ;敌人水平坐标0 s* Z1 M( N% @
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
8 b3 e1 j1 l8 o2 C2 n$ Z - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
! O1 m1 D% l N5 m+ k; } - 0 h5 O w$ P2 w2 Z
- Enemy_Index = $83 ;3 F, B, e! t* m( [ e
- Time_Count = $1A
9 K M# `: r7 R. k5 k7 A - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
' N: M$ A# T7 V$ f% E - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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0 F J/ m" f% ]6 V4 c
$ a) K1 @1 Y: V& E+ Z- .ORG $6100
2 E6 f1 D) B$ t, z6 Q - Process_Begin:
3 B. r; S1 {9 h% D1 o# s$ K - JSR Enemy_Check" x" ~: R% z) R" P$ ]
- JSR Track_Enemy_Check* W- w( b$ V! ]) V# y/ w
- Process_End:
7 g0 ^( P S1 y s, l: u! A - JMP $E54F& N2 {6 @2 I1 ?- R* R
- # N2 u l: Q$ w8 Z: ~: n
- Enemy_Check:
0 q' X! M9 d b - LDA Time_Count( }+ Z1 s* q+ ~% {! }
- AND #Track_Bullet_Speed
8 Z0 L& @; d9 Y# {; n6 e0 q3 F - CMP #Track_Bullet_Speed; a E# G- A9 {3 e, S4 O+ b
- BNE Enemy_Check_End. n, b: D9 i' c( {5 L
- LDX #$0F
+ d. P8 }! s6 V% ?0 S" O. K+ a - Enemy_Check_Begin:
8 L q- z2 t. a) E E9 b - LDA Enemy_State,X
: B% Z( n8 y* p, E - BEQ Enemy_Check_Continue4 v6 G7 @5 R4 D: e0 p
- STX Enemy_Index
( X; [2 y1 a0 {% Z1 O - JSR Find_Begin_Enemy- h+ D( @6 i$ {* P
- JSR Find_End_Enemy7 P! }8 {! }$ l
- JSR Bullet_Track
9 z7 m' }. i( l' c$ p" r! Z -
" Y7 _; J2 Q' h* P4 Z - LDX Enemy_Index
9 I& k# }/ { K4 k. M/ q - Enemy_Check_Continue:
, F) a( F% I0 P - DEX
. ~$ O9 \) u# O) n; c. |. q - BPL Enemy_Check_Begin
! f4 y C/ D5 h; j8 P - Enemy_Check_End:6 h" V) t1 O0 h! }& E4 a6 X
- RTS
+ V. Z' A0 K! b7 y -
# q1 y1 Y2 C1 ~, q4 s& G# O* [ - Track_Enemy_Check:4 T" m8 c" G1 K0 T
- LDA Time_Count4 w6 W; U/ e! `. a
- AND #Track_Enemy_Speed5 B$ J% S$ H. Y. P2 }& n$ M9 `! e
- CMP #Track_Enemy_Speed
+ q$ u: \8 U5 J L6 ?5 q - BNE Track_Enemy_Check_End
, k+ h& s# U( R - LDX #$0F' E; @8 C; L3 o7 H) g- u
- Track_Enemy_Check_Begin:4 @' m. v5 f2 M7 ]$ u
- LDA Enemy_State,X2 y! J6 Z$ }# z- T# p& R
- BEQ Track_Enemy_Check_Continue
* _! p$ t# ~& t. f+ d" q - STX Enemy_Index
2 t& L- L, o" J$ [0 g, p8 B -
% S8 x6 m7 t* |9 x - LDA $40
4 p' P v, O! E6 L - LSR! o4 v4 k* _4 z( k% K2 Z: O0 F
- BCC Track_Enemy_Check_Begin_L1% `. i# u; i. N+ F
- 6 K- I& U: A9 p& f' v9 y
- JSR Track_Enemy_Ex ;2, 4) D0 L" A( v( ]8 }/ B5 r
- LDA #$00# d$ o H* E4 @7 P
- BEQ Track_Enemy_Check_Begin_L2
/ j9 [# Y5 `, ]4 D! E) G; x -
6 h( h" A0 O0 h& n3 e; h - Track_Enemy_Check_Begin_L1:
0 O4 j9 j4 N0 e& q - 1 }- u8 B+ p% o- F' F. e$ R5 S
- JSR Track_Enemy
" T( x6 Y7 T: @$ L
$ i( R; J4 U- ]6 X( w: b- k, n- Track_Enemy_Check_Begin_L2:
$ t+ ?! {) `2 n6 l ]( m- |( L -
' p* n! a; `: C3 Z1 b8 F# G# T - LDX Enemy_Index' U1 h9 u6 [) x4 T6 s0 V8 C+ J7 d
- Track_Enemy_Check_Continue:
# o# _1 O4 S4 }7 h - DEX' }3 A) ?& [, A
- BPL Track_Enemy_Check_Begin) Z% w7 X/ G! S; n
- Track_Enemy_Check_End:. }# k( C+ E& `) [' m; C- G
- RTS
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- 5 ^4 r0 n3 \0 K
- ;查找第一个敌人
c6 h8 V& Y, o3 A* M* r - Find_Begin_Enemy:& Q7 w5 Q) d4 Z' o
- LDX #$008 x% Y0 D- w# N
- Find_Begin_Enemy_Check:, h- M: Y7 C' K' a! j6 y
- LDA Enemy_State,X
3 B# m8 J$ ^6 L% m) y: S9 K0 a - BEQ Find_Begin_Enemy_Check_Continue
. h6 b/ m6 r* u4 G( y$ i( r' ~4 X# v, \ - LDA Enemy_Blood,X z3 d7 C7 _/ o3 `1 ]
- BMI Find_Begin_Enemy_Check_Continue
& |1 I9 `* v U* s - BNE Find_Begin_Enemy_End
( v% b$ @0 R% S2 x" Q0 `+ ~8 P - : d. D D1 S r
- Find_Begin_Enemy_Check_Continue:" e5 M. W- ]$ y; M* A# T
- INX. C. g2 J. c- }4 L- D0 W. Z
- CPX #$10
3 D+ {4 j7 s6 W3 D+ r, S* s* x; { - BCC Find_Begin_Enemy_Check
+ [# T4 w7 D( }2 b, w - Find_Begin_Enemy_End:
( t& A# f9 K% O0 k; |# T8 K& m, V; c5 { - STX Enemy_Index_Begin" E% m! J. k3 y. W7 k
- RTS# X% k6 q# ^" s; m0 d$ z* o3 w* |
- g* ~/ l: ~1 ~, m9 j1 C) I
- ;查找最后一个敌人
6 X& j: h2 a8 o5 H3 S6 z1 W: \; A - Find_End_Enemy:
4 F6 N) ~1 K, ?* ^/ A" c - LDX #$0F8 Z4 Q4 L0 u' x8 t
- Find_End_Enemy_Check:
d4 r% ]# |: O- k7 H! q - LDA Enemy_State,X
* j, `% O( a; R - BEQ Find_End_Enemy_Check_Continue8 W0 ]! q+ U8 v
- LDA Enemy_Blood,X- k$ L$ P9 H6 I* |4 O" O
- BMI Find_End_Enemy_Check_Continue l7 Q1 V; f. o& L% ]
- BNE Find_End_Enemy_End& l: f+ V& I/ c) R+ W0 z# I
- 1 I- m2 T: }! G* `- P/ m
- Find_End_Enemy_Check_Continue:
, n$ c+ Q; i8 C% Y- ]# l9 Z: E - DEX
8 V, J& Q& ]0 X8 u x+ x - BPL Find_End_Enemy_Check
; v: ^" S' p. d% w# \ - Find_End_Enemy_End:
4 F; Z7 |6 B3 T% t4 [ - STX Enemy_Index_End6 u2 F0 }! Q+ C ]9 b' Q' x" | i
- RTS
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- ;子弹追踪$ ~# _1 n( U% h6 ]& d! p
- Bullet_Track:
1 M5 x& Y6 }8 l& S3 Y, W - LDA Enemy_Index_Begin
, ^) @7 f& N# y! L: C( @ - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;4 a+ E7 W2 I! w) }
- LDX #$00
1 ?0 G- N) l! ^( Z/ X - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)$ h( P4 ~3 e7 g% @
- LDA Bullet_State,X7 P3 j1 D# i5 {0 G3 W% k% p" h+ W
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue; S# d \+ H r! ]
- STX Loop_Index_I) s$ c$ j1 [* c3 ]! E
- & c5 p; y5 u6 }* B2 \# [) J6 j
- JSR Bullet_Track_Enemy4 L3 p }6 L6 i w
- JSR Bullet_Tract_Direction( z) A0 O- ^0 b7 f0 d& B' r
-
! }0 S/ \; J P, E( } - ;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1 _5 v4 E: ~/ ^/ }3 \
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
3 w- ?8 [+ q G' j L - LDA nEnemyIndex
$ P4 h( h) } ]8 D8 d6 O5 s: V - CMP Enemy_Index_End
6 I/ u" d7 o7 y z: ~: q - BEQ Bullet_Track_Check_Continue
' |3 C; G4 [& F, P: {" Y. X* t - BCC Bullet_Track_Check_Continue
( j8 P. R8 t3 U9 K, F1 w& } - LDA Enemy_Index_Begin% \' A5 y! s$ T. E4 K5 F/ A- l
- STA nEnemyIndex; x0 [7 {' d+ E% ]
- - J% J) a# W2 M
- Bullet_Track_Check_Continue:
0 m1 \+ W; ?7 g+ @8 U- r* l" ^7 o7 L6 b: h - LDX Loop_Index_I4 E% i1 @$ c# X2 Z- H
- Bullet_Track_Check_End:8 {) v! j: s) Q) c5 e0 M
- INX, o C, f: L" e2 S* O
- CPX #$108 {- A4 k \$ \5 {
- BCC Bullet_Track_Check
, F8 D0 |* W8 U7 V5 L) ` - Bullet_Track_End:+ x( c1 g8 n2 [* H [* l
- RTS
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4 p9 a1 Y# P# N - ;给敌人分配子弹" u. l' ?1 M( i% g% s" s
- Bullet_Track_Enemy:6 I8 @. t2 p% E% r* n Q7 S c
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)6 Q. M- `" _& P8 z0 n0 |9 v; D! W
- Bullet_Track_Enemy_Check:6 |" t) U" ^+ f' R
- STX Loop_Index_J
8 h& ]+ F, g1 f4 E2 ^8 k4 s - 4 W2 y0 B0 W, [; x/ e& L
- ;if (0 != nEnemy[j] && -1 == nTrack[i])" `: \( c1 W" H9 }
- LDA Enemy_State,X
: |* ~; O1 S* K5 |1 P - BEQ Bullet_Track_Enemy_Check_Continue
* M" m( }0 b% f - LDA Enemy_Blood,X
& i: f; d0 j. s, V' }( _" | - BMI Bullet_Track_Enemy_Check_Continue {5 q7 h) V0 a# J6 j2 \; B' C
-
7 b0 I( v/ R( w4 K& P! r+ x; l2 _ - LDX Loop_Index_I
1 d/ t! d5 C* \; P1 g - LDA Track_Enemy_Index,X+ K( g- q& C' B: W
- CMP #$FF4 R. f2 y- o/ p
- BEQ Bullet_Track_Enemy_Init
3 O1 [/ a+ `" v- }/ {5 P y+ [ -
- b z) a- |: h G& V2 H - Bullet_Track_Enemy_Init:
! V( F% m0 y- s: f9 P" `! u5 G - LDA Loop_Index_J! r B% J5 }" R. W# f1 c
- STA Track_Enemy_Index,X ;nTrack[i] = j;) ~( e4 V. v2 e. X s% X
- - Z/ I$ X b( I7 {
- STA nEnemyIndex d" }( o& b. \2 a" T
- INC nEnemyIndex ;nEnemyIndex = j + 1;+ {$ ~; O2 B" J J2 X$ a
- RTS ;break;
1 g. M- e; K4 Y0 N2 w: _' ?4 F$ b - 8 d( m" A2 q3 l; y* F3 \0 W- T
- Bullet_Track_Enemy_Check_Continue:
A( g( Y. b0 ~/ D, I$ H - LDX Loop_Index_J
, I6 v' l$ r( U1 E$ j - INX ;j++, M- f/ h# z, b& t" ]" Z3 n
- CPX Enemy_Index_End1 C) a! {. q5 f! i
- BEQ Bullet_Track_Enemy_Check
0 ~: W$ b/ q6 m; T/ W, I9 j8 G - BCC Bullet_Track_Enemy_Check
( D5 M( R# G" C! L3 V2 Q7 `" R: M" Q - Bullet_Track_Enemy_End:$ s: u# z- [! G6 Q, ?
- RTS9 I0 H+ T ~/ Q& J3 X$ D5 w/ \
5 p1 i% Q6 ~) Z9 m) y6 I2 n- Track_Enemy:
9 A6 ~! n* }2 N; F- i: X$ k; Q - LDX #$0F
4 b# h; h* b( c; V% b$ h2 d3 I# H$ h - Track_Enemy_Begin:
6 y$ y1 l' d- P( O5 k0 k: N8 F- e - LDA Bullet_Icon,X
6 w8 {: t# @* M1 N - BEQ Track_Enemy_Continue
. m: e L0 J+ I - LDA Bullet_State,X
3 Y, h& t4 a% _. a - CMP #$01
+ k! f3 }! f2 I" m& } - BNE Track_Enemy_Continue2 q! G: M! b) q/ s; j
-
: `( c- ?5 V4 l1 Y b4 c0 C; b% s - JSR Track_Enemy_Process
. C( O: `. U% V' Y -
) f4 K1 A& r' a1 k( {9 h - Track_Enemy_Continue:
6 j3 t b& h5 @: G# t' T$ v - DEX0 I7 J" E9 ], E
- BPL Track_Enemy_Begin
6 |9 D0 o! H' f- T, L) T, d" M& ?2 l - RTS4 M" ?4 S8 v8 [7 @0 u
- , r5 E) b6 V! u6 @8 K* P/ q' j* e8 o
- ;普通关卡: H k) c: `1 g' W, o
- Track_Enemy_Process:( Y( m/ C- n4 Q
- LDA Track_Enemy_Index,X
% p1 c* T( V, E' j7 M - CMP Enemy_Index
e9 Z/ O' N2 a. F - BNE Track_Enemy_End
) l+ c; L. U8 W8 Q - LDY Enemy_Index
, M. e5 s A' K/ t2 o - JSR Track_Enemy_Y& f6 n' k) X6 j2 J O5 P5 V$ L
- LDY Enemy_Index
+ o' L( P2 Z6 b" E( v8 B( M8 V - JSR Track_Enemy_X
3 B ~4 o- K, n7 Z - Track_Enemy_End:- ^( }% j4 V3 t1 V; e
- RTS
! p% }% X9 I _$ p4 h! s4 G; O -
% u( `+ X" U, X7 \- F. K - Track_Enemy_Y:
& X; R+ T `+ f; J% s" K - SEC
1 u- M ~& k; D( K0 m) o: t* V - LDA Bullet_Y_Pos,X
: J1 v$ [; R- C; U0 b! q - SBC Enemy_Y_Pos,Y
. p Z7 e3 a8 j0 M0 f% F5 z. R - BEQ Track_Enemy_Y_Equal6 o( K! F1 j5 t' J( b; h
- BCS Track_Enemy_Y_Greater7 d# [7 o, O% C3 W
- 1 q( x# J5 K2 F, f- ?; S5 v0 u5 W( J0 |
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
1 e$ f0 Q/ t4 g7 n# V - CMP #$FC
6 y/ y* `3 ^4 _+ W - BCC L1_1
+ D% R4 v E8 h$ z( R2 r4 N( F% D - CMP #$FE
: I2 Z- Z Q, U$ @& L: e' R: k - BCC L1_2: p" p5 _6 K/ d- c0 I3 |
- LDA #$00
( \, S+ A, ?9 M - STA Bullet_Y_Speed,X' q$ f6 @$ K8 Q* i# r: {( [
- RTS+ a& _. @5 x6 {! h1 z; t
- L1_1: 3 D: S$ m. `1 o2 ^" j5 y! J/ V
- LDA Bullet_Type,X+ T" O( W, G# F1 T" S
- AND #$0F5 j& a/ F! R: Z7 ]. S$ y6 w; u
- TAY% k4 A: J! H) C/ m! V0 L
- LDA Bullet_Speed_Data,Y
3 K3 d, c6 \* ^4 r R - STA Bullet_Y_Speed,X
& g0 x& c- {1 { - RTS
$ H1 F- h4 k6 w. N
/ _$ r X2 J- N& t, l0 m- L1_2:
/ M( R9 v0 d7 f' Y - STA Data_buffer K v4 j+ i, n0 ^* L
- LDA #$00- `6 E- \! f6 O% Z
- STA Data_buffer
- C! d$ E) t2 o( B - LSR4 {/ w! ?# J/ n V
- STA Bullet_Y_Speed,X& d) A" \6 ?& {( s
- RTS
' X3 q) t" p8 R1 X
0 \& K$ j+ E- }! |8 W1 ~1 ~- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y1 {% a1 O$ M; \7 h# y
- CMP #$04' ?; m2 G; K2 `; x$ O, j) V" I
- BCS L2_1. \. Z% o! D! [& `- a
- CMP #$048 a9 F5 R. P8 k: k0 v5 X! b
- BCS L2_2
9 i k: ?9 J8 f0 \0 X* a" z! p. v; r0 D - LDA #$00( ?) A6 c( O+ O" t3 q) ?) o
- STA Bullet_Y_Speed,X* r' ~" t6 y5 M+ |2 Y4 P9 H
- RTS
" Z" T0 k7 J' C. x, Y# n - ! b9 i4 {4 D# q2 ?! \8 ~: t
- L2_1:: |; r' t4 k2 a& e) E. T9 ~
- LDA Bullet_Type,X3 L! i- p8 U( ^
- AND #$0F
. a2 G/ z0 K8 z' _. y - TAY
8 x) K% O6 J# G" G% U! O H& e1 G( y - LDA #$00
4 N, d! M9 R }6 r- e - SBC Bullet_Speed_Data,Y/ X# x, f# t* A
- STA Bullet_Y_Speed,X8 Q: H$ a Y3 f7 o \0 t1 r
- RTS
' U: S. o# ?; z' ~! M - ( ]8 p3 C8 x& ]5 } z" `
- L2_2:
. ?4 M5 q5 |# \4 { K - LSR
: @' c- e( y0 g5 `9 ^ - STA Data_buffer
9 _- b+ E, `9 q6 p2 X# u - LDA #$00/ W2 s2 _% q4 ~
- SBC Data_buffer
5 x) Q6 o, E$ S, s% C1 O, L* D5 o" T - STA Bullet_Y_Speed,X" |0 x& [' y# V# |0 T, O/ |
- RTS$ K3 v9 K' O- w( K# l
- 0 X3 a* t. \& E& y, |
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y, X4 M4 H% \$ t' V \
- LDA #$00
. s: d% \2 W- p( v& s - STA Bullet_Y_Speed,X
' g; C5 y. Z. C" G% K6 y1 e! Q - RTS5 v# J6 i- S. s6 D
-
$ u- q3 c9 Y' ], K4 z4 t - Track_Enemy_X:
; |5 @7 ]/ P ^! y2 K - SEC
' L- z# }+ `8 a P7 Q- a5 b0 f) z* | - LDA Bullet_X_Pos,X
; o9 h9 [) @/ K) V# G! P - SBC Enemy_X_Pos,Y
9 w1 m3 N$ F8 D4 g% r* l! f - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X @- \$ w* |* w5 B, x
- BCS Track_Enemy_X_Greater ;子弹在敌人下方5 z. D; `0 j. Z2 K# p$ }
-
7 y9 O6 ^" r& k! c! ^( f% e - Track_Enemy_X_Less: ;子弹X < 敌人X
% X: O v1 P% W% v9 U4 ~ - CMP #$FC/ l+ B+ j5 n) m, P5 v& Z8 U
- BCC L3_12 f% j+ [4 X- N
- CMP #$FE- D: n3 {7 ?9 N: n# E7 D8 ?( D
- BCC L3_2
1 G# y! D [# I0 _' A3 D5 ` - LDA #$00
) k8 }1 l* {! O% }2 s+ E9 v8 d. U. j - STA Bullet_X_Speed,X
: z" _ G* i( G) Z8 l: ?' v - RTS% m! ^* J" U t& j! _
- L3_1: - Y: n! I: n+ E/ L9 Q
- LDA Bullet_Type,X3 O% {5 ? M, P, J! ~" Z& u4 D
- AND #$0F
1 e9 C+ n9 T- p9 D: O4 |# ^ - TAY
) u. j. y) ]9 l& V) d - LDA Bullet_Speed_Data,Y0 w/ c' U& |) h4 u0 @4 c: R7 u( P
- STA Bullet_X_Speed,X; B+ _/ ?) f8 G
- RTS
) t g) c! F% }% m3 [5 M2 G - L3_2:
% O% S2 h, ^' j- ~4 O( F+ S" ^ - STA Data_buffer
# j, \6 |7 g5 u/ @! R' h - LDA #$00
9 n$ n9 W% t' u4 l- e4 U' s+ f( c - STA Data_buffer/ ]/ ^2 e# T' W
- LSR
5 J e0 t* \4 |/ x$ q- ` m - STA Bullet_X_Speed,X
+ A0 M5 s0 c- P/ y. p4 r& S+ { - RTS8 J" R5 W4 H0 u# i0 F
-
, Z9 g8 c* ], t- q% K2 V - Track_Enemy_X_Greater: ;子弹X > 敌人X
r1 \% }# n2 z$ Y5 N - CMP #$04
* b' g0 ?# Y! n9 W7 c* d - BCS L4_18 R' q$ q& H" ?; j. f" F( \
- CMP #$023 w. V; r3 [9 |1 T( o: t7 a& r: v3 {- f
- BCS L4_2/ |9 \9 s2 G) A: a c/ @. t
- LDA #$005 K6 \0 N6 K/ p( l; \6 P# p2 o0 S
- STA Bullet_X_Speed,X
7 a) ]6 _0 M8 z h) g - RTS. l/ J8 \! D6 K- C+ U# t* P
-
" u. f, s) J6 _" n. }0 V3 C - L4_1: & y) q( U5 ^! } G: x% p
- LDA Bullet_Type,X
2 r: m9 O0 S. S/ ?& ] - AND #$0F
4 z5 c2 [5 c! i! \: G. F - TAY
. r3 X! L; [) A" W* e4 P ^ - LDA #$00
3 m1 |; Y, q$ T - SBC Bullet_Speed_Data,Y
# }0 X: Y) Y! A- _( \- K0 J - STA Bullet_X_Speed,X) ]$ H! e( ~& S6 f, x
- RTS
n+ G8 D! M4 {* G) B - L4_2:
% V+ k- G2 B6 n. ], h5 K4 r - LSR
6 H9 W% ] p& |4 W7 n - STA Data_buffer/ h8 x+ Q2 ]2 Y0 l/ m5 ~: I% g
- LDA #$00
) ^# O: c2 C8 y7 }0 ] - SBC Data_buffer* I* L6 O' `. v8 q; R8 \
- STA Bullet_X_Speed,X
; O# q3 V. j I4 D# I$ Y - RTS
, }" ^0 f( W" L2 } Z -
# ?( @1 {3 C/ D* D% D2 c - Track_Enemy_X_Equal: ;子弹X == 敌人X/ y8 M$ t C; [% t
- LDA #$00 _; Y' f; c. J0 V$ ]. R
- STA Bullet_X_Speed,X
% k( s! t: j- V - RTS$ ]9 V# K$ i; O8 j
- : Z7 j+ S6 @ S8 P
- Bullet_Speed_Data:
" r- h+ D: w$ M {& l, W3 [# S - .DB $00,$03,$03,$02,$03,$03
- z% r" c* R: o6 T9 B. ?* k - + A" f! L; \2 V+ Z
- ;2, 4关
5 P3 a0 L! e/ L6 f* ~9 ~& P3 J - Track_Enemy_Ex:
, L) y) M5 u8 D% M. l. K - LDX #$0F
5 c3 w% P8 j5 @. n4 ] - Track_Enemy_Ex_Begin:
& D- T) F: q0 ?% o9 V- _
- `4 b+ Z5 c/ y- LDA Bullet_State,X
6 o$ E# ? ^& j - CMP #$01 m8 @2 Q- Y2 H/ d. ]# e: X# V1 b
- BNE Track_Enemy_Ex_Continue/ o; H \- Z, f7 A
-
! z- O9 O! t7 c. A - LDA Track_Enemy_Index,X" Q+ h m- ]$ h8 Z
- CMP Enemy_Index
0 c( Y+ k! F' ^0 q - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
& s* {/ [4 t! c, D& P, o [! ^ -
9 V8 C( o1 d1 g2 ` - LDY Enemy_Index: e$ Q3 s$ J8 l8 T5 [: I
- JSR Track_Enemy_Ex_X
3 b) n' _3 Z# ] -
& o6 | y8 Z9 x1 V7 S - Track_Enemy_Ex_Continue:% y) c! g/ f t2 N {" P
- DEX
" v, S3 f/ _; T ~* i3 w, J - BPL Track_Enemy_Ex_Begin
1 q `0 v P9 ]# ~' Q4 U - Track_Enemy_Ex_End:' [1 `' h0 ^, c- S" O, A& v
- RTS
- [" y0 g) R! X% N5 K" j' A% W - 0 C* M y1 ?7 x' `
- Track_Enemy_Ex_X:
4 v/ m2 F: j- I2 j, ? - ;LDA Bullet_Z_Pos,X0 R* F" h8 N: G. E R
- ;CMP #$041 l* M7 K4 `* X3 e/ G
- ;BCC Track_Enemy_Ex_X_End9 V. f& Y3 `$ i7 z
- SEC
+ }: F0 `. L6 d. a# _/ z9 G# X - LDA Bullet_X_Pos,X
]. u7 E) t5 X3 R; l - SBC Enemy_X_Pos,Y
. x: V, e5 F5 r% G- h4 H0 ] - BCS Track_Enemy_Ex_X_Greater
; j8 n$ V( |6 z7 M, H: s9 O -
& {9 E) Z, q7 N* T$ W7 e( Q" c. n - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X1 t1 L0 v6 U3 y4 T$ Q+ V
- CMP #$FD
% @* i/ c8 \. v/ S! G - BCS Track_Enemy_Ex_X_Less_End- y7 O7 {9 W- {; O: r C) k
- LDA $6020,X
! I5 d$ `/ `% ^+ x - CMP #$2A
4 Q! K) u1 L* v5 r+ V - BEQ Track_Enemy_Ex_X_Less_L14 B/ |2 D% T5 S9 w) f
- LDA Bullet_Z_Pos,X
7 n1 a. ^, l% _, l9 @8 {( |: H - LSR( B* p8 z8 b6 |- c: q
- TAY/ g8 |+ Q; A2 D! F+ n- }" R
- LDA Bullet_Speed_Data_Ex_R,Y
# A6 c3 J; }& F( N9 t - STA Bullet_X_Speed,X; ?' ]; K$ {- J: P) i
- RTS
! V0 z! K: m* I r# X - Track_Enemy_Ex_X_Less_L1:
/ ?# T, k2 H$ L
0 P( J3 B: r |2 P! m5 v* o9 Y+ H. q0 ~9 m- LDA Bullet_Z_Pos,X
1 G! w c! h, v - LSR! x$ z" j5 C- R( I4 s/ |/ b( \
- LSR
, ^2 a1 C! h2 [1 f: F; e- A+ w- k - TAY
! ^. i+ c( w% L- N- y+ f1 Q0 L4 c - LDA Bullet_Speed_Data_Ex,Y# f3 ?$ s2 Q& Q1 e& Z' |8 _
- STA Bullet_X_Speed,X
! n7 t3 l j, n0 L! h - RTS v- {6 X& T( S; w1 q
- 8 m% M' H1 D' E
- Track_Enemy_Ex_X_Less_End:
3 Y$ {9 p" G. c6 o: D, O4 h - RTS
7 T1 o8 [* S8 O$ T; I! h - K+ x. P% ^ h0 ^% v
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X1 K/ c: X- U7 \8 @5 d y4 c* s, j
- CMP #$03; X# V- J8 L- m& i' f. ^. g# U
- BCC Track_Enemy_Ex_X_End
6 e! E( X X3 T: k# ]6 ~! g - LDA $6020,X* A/ E S9 R, C' A( V2 B$ J
- CMP #$2A: t' F5 E3 N9 V4 H1 j: J
- BEQ Track_Enemy_Ex_X_Greater_L1( \. h) g7 i. n# X) f
- LDA Bullet_Z_Pos,X- ~% M y% ?4 t0 K; r6 n G
- LSR/ u# K( {4 U; _- }9 f& l/ v4 G7 N
- TAY
; @0 P7 r( Q5 k; [ - LDA #$00) f+ u5 \" b- X+ \. Q4 M$ A
- SEC, d7 e* ?4 C7 R/ k2 s* u) N4 h9 k* t6 Y
- SBC Bullet_Speed_Data_Ex_R,Y
; H$ z Z2 m# }# e- U - STA Bullet_X_Speed,X3 M& j- @+ p& V+ d8 A" ?
- RTS" ?/ t0 u, L U3 T5 c M
-
1 Y8 P; |3 f+ I- z* g - Track_Enemy_Ex_X_Greater_L1
# i( K$ G. ~: m& X! e - LDA Bullet_Z_Pos,X
' J; y" ?2 \8 N% F1 w2 ` U - LSR1 }9 g- N' }4 J# `
- LSR1 t5 }! S7 X( d
- TAY
7 z( ~( _) k/ E9 b - LDA #$003 c9 {& |5 |8 X c5 P; t# P
- SEC
! M+ y { F: \8 Z: O, d2 j - SBC Bullet_Speed_Data_Ex,Y
9 T3 p$ O. m: {1 E) Y4 v; q - STA Bullet_X_Speed,X8 M3 R; ?+ {- H, E9 R
- RTS
2 R- o: R$ @, m. s - 6 @0 C. X! C% B; s/ V
- Track_Enemy_Ex_X_End:4 J- f0 e- ^! |7 q
- RTS
6 g' h6 g) K# v; Q+ K6 e4 z -
8 E: L# A! s1 Z% N5 H- Q6 o% S - ;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)5 U0 z4 a9 q# G! \
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
' O' m" Q1 @' }) V! I- J - Bullet_Tract_Direction:* ?/ e, H/ Q, B( g I7 X2 D! u
- LDA Bullet_Icon,X
# t2 |% C* s# J0 X* t - CMP #$23
/ _8 Z( B3 S' E - BCC Bullet_Tract_Direction_End
' H& k8 M. N& w3 t -
! h5 s0 y. [, Q) z$ X5 Z" u - ; X != 04 l# k3 ]" C- E
- LDA Bullet_X_Speed,X) J& C& V# s( l4 w ?
- BEQ Bullet_Direction_V; ?1 {9 V, H# f, W
- - {1 S. R2 l. Y; Y2 W% e
- LDA Bullet_Y_Speed,X
& i8 m5 j, X L - BEQ Bullet_Direction_H0 W8 v) |# D/ ~, @6 ^% _! B
-
( q$ {+ [4 F3 D - LDA Bullet_X_Speed,X9 f% x% P* n5 ?1 {, O' `9 U1 S
- BPL Bullet_Tract_Direction_Right
/ u* P' L& J7 n% T - Bullet_Tract_Direction_Left:
3 M/ }2 q; z9 c1 ~% p) T( T - LDA Bullet_Y_Speed,X1 d! `2 Z; c: D
- BMI Bullet_Direction_Left_Top
; @5 W3 ^, q! |# S - BPL Bullet_Direction_Left_Down
* `+ }; V( ~2 C2 `8 O - Bullet_Tract_Direction_Right:
2 o: z+ p4 P! \2 v: C% ^ y( e$ N - LDA Bullet_Y_Speed,X
& Z8 W% H `& Q' c - BMI Bullet_Direction_Right_Top: F: Z6 k( f) q
- BPL Bullet_Direction_Right_Down; W$ v" h R2 J1 O0 m# J
- Bullet_Tract_Direction_End:/ O! { h; m8 e: z
- RTS4 `4 @& |) v9 U, G2 j/ g6 ^8 C8 z
- 8 R. w/ y, |/ D
- Bullet_Direction_Left_Top:9 A, K( f1 d% `4 b9 f! a
- LDA #$25! `' Y0 A6 _+ s$ L; Q1 r
- STA Bullet_Icon,X! r O/ z$ G, L1 ?& i# r
- LDA #$C0
1 \9 L% t) q- o: l - STA Bullet_Direction,X
9 L$ U& T; l4 N! f) Y' b& E2 V - RTS
3 n: R% T5 c- t, `( _
0 d: q. l2 W# R- Bullet_Direction_Left_Down:" v- i/ G+ M% o
- LDA #$25
- `8 N4 j5 {$ f5 k4 i- i1 ^+ M+ u - STA Bullet_Icon,X! |, R$ L0 N; a- H
- LDA #$40+ [1 l$ Z8 X3 D% H, j
- STA Bullet_Direction,X
9 o' @1 b" q, A& H) L w" r - RTS
) ]- x# c- u) [7 G. t
( y4 r+ R7 P8 I' x* P- Bullet_Direction_Right_Top:9 N! {/ V* N( ~& O' J1 C% P; C9 N
- LDA #$254 c& R2 v9 s4 p! I+ L
- STA Bullet_Icon,X) z+ r: i* C2 E6 B
- LDA #$80
- V, m$ v& Z! k+ ?* i- y; Q - STA Bullet_Direction,X) w: j/ _, S: R' Z
- RTS% y- n9 H* M8 N2 G1 L3 X& w
- ) q5 R- o2 D7 p0 k: ^- L3 x
- Bullet_Direction_Right_Down:7 X9 u! E% t( e& h X# ]
- LDA #$252 m9 l. E: d( J; _7 R; g- L
- STA Bullet_Icon,X% l/ u; A9 k. K1 k% p i8 |' H
- LDA #$00
) b, |- s" U+ Y+ b# w7 v2 @ - STA Bullet_Direction,X7 k+ F" i3 o, e( y( a
- RTS0 d9 |9 }/ a$ C$ ^" y% a' g* U0 w
. R. L5 b, W# I+ v0 C$ S) E4 m- Bullet_Direction_H:6 n& x1 D: }* X- c+ `1 W2 k
- LDA #$24
) ~+ {7 ]9 v* c# t3 }$ y' z - STA Bullet_Icon,X
% N+ x. i" ?) E! V7 @1 }+ J0 ^5 t - LDA #$00
+ }% @3 c. F( g - STA Bullet_Direction,X
# ?# X) A, b" X8 @, `, G3 ]3 U$ Q - RTS
1 z4 h1 s' [6 T7 O% n" u
; Q0 L$ j- O1 \- q% c5 ~2 g- Bullet_Direction_V:, b4 O) t/ a( T
- LDA #$232 a6 H$ j. ^# C8 V% n. j
- STA Bullet_Icon,X
# W7 Z( l9 y; X) x7 _: q - LDA #$00
. q: K3 c5 x6 `. a - STA Bullet_Direction,X6 t7 ^$ G; K' h: ~/ }$ d& _
- RTS
. }0 M3 B8 K C( ~* q" n3 P$ j
: J1 [- {! e& D( Y s2 D9 z: C- Bullet_Speed_Data_Ex:& J2 V! B0 T- i, v
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
, r4 T$ ~! A* O# b* E -
& n) Z4 U0 y( N m) K7 F - Bullet_Speed_Data_Ex_R:
# J: M( j% K' X% m% K( D - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08( O) J* T5 \4 X: j
-
复制代码
) z+ m, r& M7 w+ d. T8 J! S' ~7 m3 i' Y) c6 D
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