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[FC][魂斗罗][J][追踪弹]
9 _/ U. K) x/ S. J1 M/ C8 Y6 ]2 j; o
K7 B& J7 d6 {5 I时间:2023.04.30) F5 \, N$ Y! a& O, T
作者:FlameCyclone
( y( J9 _+ r- T H& m3 Q内容:( x; F4 H8 k8 z! ~1 l/ D# y6 {
1. 所有子弹追踪敌人
5 n: N, ?; q+ S 2. 选择键切换武器
: K- U- X- u0 F- r, Y4 N1 l- V 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5 Z4 M9 W/ L) H1 R
# S3 Q: q$ w# Y( y9 y# }, Tflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁7 Q+ N7 ^ i9 t5 O
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L* O9 @( H" x _4 w0 |
- 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)' E6 M* ]' l7 ]6 C
, {: L. z; a7 {) o; a i- ;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)6 t. H% [! f4 Z
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上5 w( _* V/ ~- _9 r
- - ?! i# P( P" c7 j; T
- Track_Enemy_Index = $6000
2 X" x5 p. t$ F - Enemy_Index_Begin = $6010
& M J R, C7 W/ ?* Q/ m - Enemy_Index_End = $6011& s8 m6 E8 `8 ?
- + \0 } z' \( q: U+ s# y
- Loop_Index_I = $60125 O/ E. {8 k2 [: v
- Loop_Index_J = $6013
& t9 A# \& K2 H7 |- o/ m! H2 p - nEnemyIndex = $6014
6 ^0 A0 m% H3 P" X( L - Data_buffer = $6015& y n: u2 [- p4 d
- + w0 i0 r4 g. q1 ~
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
& z1 U3 `$ s& a2 J2 Q( }3 {" z - Bullet_X_Pos = $03C8 ;子弹水平坐标
, f# }6 K& h! m9 D+ I - Bullet_Y_Speed = $03F8 ;子弹垂直速度* r( H# B4 T0 ^8 g7 N; J! V, @) B
- Bullet_X_Speed = $0408 ;子弹水平速度
5 T0 y5 W! Y! k; l! N - Bullet_Z_Pos = $0418 ;子弹Z坐标
7 u. z1 e0 b3 g- W* H - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P1 B/ m$ G! o E5 n8 S' S, m
- f. v9 W; u1 q/ _1 v- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
0 i- {* L4 \% x2 B9 H7 c4 j. Q - Enemy_Blood = $0598 ;敌人血量( x0 H" c/ E4 D, P9 c2 z
- Enemy_Type_Addr = $0528 ;敌人类型
& q9 a1 |. {7 E% y$ c Z - Enemy_Blood_Addr = $0578 ;敌人血量
3 c; H5 I2 J* G8 ^5 ^# b - Enemy_Y_Pos = $0324 ;敌人垂直坐标
/ u! H' C! W1 X. m8 S" w* ~- @8 A5 ] - Enemy_X_Pos = $033E ;敌人水平坐标
5 c4 H1 B+ D( n! c1 O3 r9 A - Enemy_Y_Speed = $04E8 ;敌人垂直速度8 @# A8 [* m4 ?# m) c2 e; t
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸- G3 r: [; R' m& W6 @
- / c/ g# c; ~0 m: W o) h7 j$ V8 c' L; e
- Enemy_Index = $83 ;
2 ] E; n8 t, C& f; M/ q - Time_Count = $1A4 H; L+ J# W0 W
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, \) _( Q! L! f* @: C: W5 l - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率$ J. ^. m2 g5 @$ }; O
- 6 s C( n5 _6 C. }0 ?7 Z8 m( T
- " s/ A7 F+ B9 u0 c
- .ORG $6100
& o. q7 U/ g0 }* P - Process_Begin:
7 M) r" e! t+ o B3 C3 B - JSR Enemy_Check
2 ]+ `! P8 M( [% H* H8 W& K" ?( \ - JSR Track_Enemy_Check
; c# j' G2 y$ n/ X7 @ - Process_End:: A4 R8 z. a" P9 |/ r
- JMP $E54F
% M3 q+ ^, p: k - _6 `8 f, ?4 J& j+ v1 l
- Enemy_Check:
5 J3 J$ o0 l' ?( b& M7 `6 L# y - LDA Time_Count: A7 m2 `" ^" t- Q. r
- AND #Track_Bullet_Speed2 h$ s9 P) X7 V
- CMP #Track_Bullet_Speed
" f1 F' U* _* J& l& g. Y - BNE Enemy_Check_End
" f! D @7 A0 H1 @. C$ t5 v- p7 w - LDX #$0F$ F: {: R$ Q/ ]8 q% b4 O# T
- Enemy_Check_Begin:
+ \; w* A% S& @7 ?# y1 n - LDA Enemy_State,X
4 O: m) k; M' B7 m3 {1 f9 ?3 x - BEQ Enemy_Check_Continue& t/ b' J) ~4 _9 M7 T7 z9 C, T' E
- STX Enemy_Index
' B$ `8 C6 R- T- ~( Y0 H& m - JSR Find_Begin_Enemy
. e7 g! c. b9 Y3 s - JSR Find_End_Enemy
* Y4 V4 B' C; j5 j! I y) F$ g* r - JSR Bullet_Track5 ~7 W& |3 Z+ S7 s5 N6 F8 [
-
- q7 [: Z2 t% N - LDX Enemy_Index
, |' C- ~5 V! O/ o* \* { - Enemy_Check_Continue:
: ~- n9 w: f$ P. h6 Z$ c j - DEX
% \ e+ p( Q# Z9 l! B - BPL Enemy_Check_Begin
9 p6 [" f+ L4 B/ v9 A - Enemy_Check_End:" B0 |9 ~6 H5 r8 F0 K% [
- RTS' o, d" L0 b) `2 e
- + C0 z: M$ j; N5 m( W: x5 z
- Track_Enemy_Check:/ b3 \5 N$ x1 ]( U3 A" v
- LDA Time_Count
5 V! \ @" l& m6 m! x: ~ - AND #Track_Enemy_Speed) o' P# V5 N: j @
- CMP #Track_Enemy_Speed
5 O% J: q# P! ]+ s - BNE Track_Enemy_Check_End
% g6 n- f4 w+ g4 P - LDX #$0F
2 [) B! R- N+ U5 W+ k5 i" @. m6 N - Track_Enemy_Check_Begin:9 d$ r" A+ n+ X+ o* t" z
- LDA Enemy_State,X
7 y% _0 F9 G9 {6 d( ] - BEQ Track_Enemy_Check_Continue
" R& E' L8 ] ^, a. x% P4 Z( b - STX Enemy_Index
3 T; b' j/ I! | -
3 {: E0 Z- O) o( h$ t7 S6 l - LDA $405 F! s3 P: _( ~ ^
- LSR8 B6 N9 I4 _" j, ` E! @1 A# G
- BCC Track_Enemy_Check_Begin_L1
& V: _; r: s& a: U0 b - ' R8 f4 @- u' g! [8 o$ _. M
- JSR Track_Enemy_Ex ;2, 41 N, F4 F1 T# C2 H/ [
- LDA #$00
4 w; z H4 y- S: Z4 W# N1 Y - BEQ Track_Enemy_Check_Begin_L2. `4 |, e5 b I( Y( B8 Q( n
-
6 P2 [# U+ ~9 j* H0 ^" ` - Track_Enemy_Check_Begin_L1:
$ }( R+ L/ j: M; e2 G -
! p" B0 i# W' G& Z - JSR Track_Enemy. S9 V: j; p/ c9 T1 t) T
6 K! y2 i( l( e b- Track_Enemy_Check_Begin_L2:
8 }. W3 M. L z& J( n5 G" }: n7 L - * ?* e' x" P m
- LDX Enemy_Index
7 A, x5 w" f r3 c) E& \ - Track_Enemy_Check_Continue:
+ e8 X6 I+ R) W$ V1 n - DEX% `) v; H2 c, v- W d
- BPL Track_Enemy_Check_Begin J+ V% Q1 t, t. `
- Track_Enemy_Check_End:( p- f- ^! ~% R1 v. u
- RTS
' r- Z0 ^+ K5 T1 f - + @2 U! J4 C- m& \- g. e3 s1 w
- - w# M: | Z/ f% `9 L, L
- ;查找第一个敌人. p" l. Z4 q5 I8 r+ l1 D
- Find_Begin_Enemy:
/ D4 E2 N I& V* |& S2 a* v$ S - LDX #$00' ]. C' S, i7 y6 l- S! ~$ ?
- Find_Begin_Enemy_Check:
0 x p2 P+ d* v; N# a% X - LDA Enemy_State,X
$ f3 |' G) T& Y4 \ - BEQ Find_Begin_Enemy_Check_Continue
6 I$ H. A( Y/ t. {( [9 r' D! { - LDA Enemy_Blood,X2 q2 x/ d& h. i( o4 g# Z+ p) ?, c
- BMI Find_Begin_Enemy_Check_Continue& e9 S; J V5 u- P7 e, t: A/ t5 ?* D
- BNE Find_Begin_Enemy_End6 J. b+ }* l" h% {
- a3 f2 x# \+ e9 U/ U4 L; E
- Find_Begin_Enemy_Check_Continue:
5 s3 \# b; `4 W - INX# N. |4 T6 B1 B @% W7 _' U% I
- CPX #$10+ \9 W" g& J8 A4 M; x
- BCC Find_Begin_Enemy_Check
! f& x% ?6 J; K) a0 }5 Q4 B - Find_Begin_Enemy_End:
* O; ]8 i, L! x; h# e - STX Enemy_Index_Begin4 r( K1 q. t2 t% `7 m2 m
- RTS
9 W: ^& ~) F( \& F - ' V% a. r M- o9 q$ d5 a
- ;查找最后一个敌人, f1 x x8 W. p3 R* B/ k
- Find_End_Enemy:
$ ?0 O1 [" U" ?5 Y - LDX #$0F
2 t; u O1 Y0 |' h* g4 }' | - Find_End_Enemy_Check:/ c2 r" o9 }& B, t0 H! e/ ?- n* Z* [
- LDA Enemy_State,X
, U: a u- }: t. J" V - BEQ Find_End_Enemy_Check_Continue
0 M- G3 H4 O4 S; k# Y5 {2 t - LDA Enemy_Blood,X
4 ? ~) f9 w* q D C G - BMI Find_End_Enemy_Check_Continue
+ w7 f/ p( @- b - BNE Find_End_Enemy_End" Y8 Z9 q: ?( v, `: h
- 2 E6 _8 M P5 b& d9 |% c
- Find_End_Enemy_Check_Continue:
4 v: x7 o3 p! H9 r" d - DEX
0 t) W3 y) m. I- l9 X - BPL Find_End_Enemy_Check
$ U$ U" o: B' c \ - Find_End_Enemy_End:2 a( |( f8 b- w; w) [
- STX Enemy_Index_End f1 g" ]5 ]$ R' D9 Z, v
- RTS7 @( U1 f3 I$ M% a8 g. x8 I( `
- / L( Q- d1 K# R
- ;子弹追踪
* s! W4 K- [6 ~& I" c - Bullet_Track:: x Z2 }( O% i4 J1 o2 x0 V/ s
- LDA Enemy_Index_Begin
: C! A, d) ^2 w2 H0 l( q - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
6 I) Z5 g2 x: E+ K - LDX #$00
7 ` ]5 }, F) J7 `% H - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
1 G5 Y& m( J2 L1 k, @. Q - LDA Bullet_State,X& l% N$ x& t, N' C, A
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;/ a$ K* Q9 g7 h: u' K2 u2 e
- STX Loop_Index_I
4 f2 ?- \6 ]# F' U! y+ m0 i* R -
: c' b/ l" z9 t/ i1 |$ O - JSR Bullet_Track_Enemy
- n6 L0 M. S3 N - JSR Bullet_Tract_Direction: d# O0 }/ \$ F+ [3 ^7 J: v/ _
-
/ W8 L- ^9 ^$ [+ h6 S - ;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
% ^/ b H0 h& w& ^ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;! H) r7 S( _2 E, j0 j% X. f
- LDA nEnemyIndex! E7 x5 R- ]9 S7 n6 F
- CMP Enemy_Index_End
. b8 U$ m* z. F X: ~ - BEQ Bullet_Track_Check_Continue8 [4 F" y2 x% A2 \# @, m
- BCC Bullet_Track_Check_Continue& F0 y- v3 T5 H
- LDA Enemy_Index_Begin
4 p$ X! a' _" f8 w+ d1 X3 l - STA nEnemyIndex
4 e) P5 d% d- M8 s: M, Q' S - b( i1 g# O: h$ K. A3 k
- Bullet_Track_Check_Continue:
& y0 U2 h' Q* L) |1 M( {) ~, C - LDX Loop_Index_I
$ w$ i8 c2 Z# @$ |& ~ - Bullet_Track_Check_End:
8 {: F8 v" _# g4 A - INX
# B9 L' ?6 Q0 h! |; V! h: P( K - CPX #$105 u0 P! b& h7 Y" I
- BCC Bullet_Track_Check* n" W1 \7 E( _2 h7 z
- Bullet_Track_End:4 m6 H) Z7 V" U7 S' ~
- RTS
$ _' I$ B9 K) ]& k -
$ c5 l+ n% s6 V( h4 v8 X2 K - ;给敌人分配子弹) X' d1 i9 _) \2 [
- Bullet_Track_Enemy:
6 s* f, [6 @( E0 @* e - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
, X5 e3 x, ~; O: s - Bullet_Track_Enemy_Check:
$ n8 t+ s3 o1 o) H8 b- e - STX Loop_Index_J
0 k: y/ e' N: B% g -
: O, W$ s- e R7 H- y - ;if (0 != nEnemy[j] && -1 == nTrack[i])6 {( B0 ?! ~* _0 m! W
- LDA Enemy_State,X& S7 q6 T3 B0 k& P
- BEQ Bullet_Track_Enemy_Check_Continue+ R4 U' H* P5 U
- LDA Enemy_Blood,X1 z$ x/ g- k2 g5 E& d* x
- BMI Bullet_Track_Enemy_Check_Continue2 n4 @, }) H6 I: p6 O* V, i7 j9 d
- / J {% b. W: U! L' c9 V8 A& c
- LDX Loop_Index_I$ h4 r' `8 y0 W) B& b' A4 j
- LDA Track_Enemy_Index,X
8 P" r( ^* H' i, s0 O - CMP #$FF% z: ]/ v y# H$ b
- BEQ Bullet_Track_Enemy_Init3 V [8 m' A$ y, Z
- ' Y# g( R! Z- i( Y& d
- Bullet_Track_Enemy_Init:
. @) T- h8 T0 G0 a$ i - LDA Loop_Index_J3 `- b% U2 U- V( M, P" C
- STA Track_Enemy_Index,X ;nTrack[i] = j;
- f+ W. x7 E( S3 W: m5 O -
$ ] F: c8 W8 {* f" g2 N - STA nEnemyIndex6 t0 `) g; P! Z' V3 U2 ~: }+ E9 r
- INC nEnemyIndex ;nEnemyIndex = j + 1;
. Z& T. i" i1 B& o1 S - RTS ;break;
- G6 p' q# S* q) i( k - - s" B+ }& X- X& j
- Bullet_Track_Enemy_Check_Continue:& g3 H% \* z, ?& h
- LDX Loop_Index_J
8 f6 T+ a. t3 K$ f* s B - INX ;j++
) Q2 v ^: a9 R O, G U - CPX Enemy_Index_End
0 `0 W! _0 M% x - BEQ Bullet_Track_Enemy_Check7 q. }2 b9 z; Y$ g; S
- BCC Bullet_Track_Enemy_Check
# }& e$ q- \' F; V) E+ a0 H9 j8 t - Bullet_Track_Enemy_End:
8 q5 q8 E( m; J. p" H9 T" A6 x - RTS$ \+ C# `- ?, V4 ^1 t2 s+ u
- ' i2 z0 c/ @3 ^
- Track_Enemy:
( c- D8 ~( ?+ e: `. Y - LDX #$0F
% V- E5 X( t9 m( G+ m8 K - Track_Enemy_Begin:" S2 s) d) s, H& c- y0 K
- LDA Bullet_Icon,X5 `0 Z0 m0 e" P1 X1 ?% p
- BEQ Track_Enemy_Continue
; L, ~ l; u6 E$ a7 B - LDA Bullet_State,X
1 O, n, c; k1 Y4 I - CMP #$01
& ^" {' y" h* I9 v" B" _# s! ~ - BNE Track_Enemy_Continue P& b! \8 D6 u' {
-
( P5 U: p) I0 S - JSR Track_Enemy_Process
# f' c+ J/ {$ c$ q& O( S -
) F# P& k/ G1 z( P- _ - Track_Enemy_Continue:1 n- v. @% U9 f
- DEX
! w4 o0 b+ A' q, A* L( {* B - BPL Track_Enemy_Begin* G! m& k* D. x
- RTS
1 b! {4 T- E$ {; i: i0 N - - p7 `% T$ i3 Z& d1 O# a
- ;普通关卡( j3 C4 _! }# V4 a0 I+ h
- Track_Enemy_Process:; q% X# A+ t6 W# D$ o3 B; x
- LDA Track_Enemy_Index,X
: G' c' E/ t' B: }5 Z4 \ - CMP Enemy_Index" f' C* M9 N" I; a
- BNE Track_Enemy_End
- {( N* J# c8 l - LDY Enemy_Index
! n3 h/ F5 A, Y" g - JSR Track_Enemy_Y
5 I9 N! L/ h+ S, \ - LDY Enemy_Index5 v/ K5 S o' O! R& v E! S
- JSR Track_Enemy_X
+ Z5 c$ S9 f- V: W, L' g( q1 G - Track_Enemy_End:
3 m* P5 l6 }8 o - RTS2 ]7 q" h6 n6 F
- 4 e1 V: W, l3 S/ |; u. \( D( V# a
- Track_Enemy_Y:
& {0 u/ s3 U: d& Z ]8 L - SEC
7 H" U- I" l4 @0 _" Z - LDA Bullet_Y_Pos,X
0 V5 F; \2 l+ ]* C! r/ ]) k - SBC Enemy_Y_Pos,Y
' X' A b t4 V2 a- E - BEQ Track_Enemy_Y_Equal5 w9 p' A0 ^) z% R1 _ Q; T
- BCS Track_Enemy_Y_Greater0 s! I6 Z X9 _
- * W# F5 y. Y2 C3 H! f
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y. R" P1 y* ~' Q1 M( c
- CMP #$FC
j+ _# @9 i( m( i% L7 w: z! Z& H - BCC L1_11 ?/ g' F6 o1 a
- CMP #$FE; o M2 F3 Y' Q. G$ O
- BCC L1_2
1 U5 Q. z; S4 A& c - LDA #$003 |; e5 S' L# r/ b4 b
- STA Bullet_Y_Speed,X, t) a5 Y5 @2 K# W0 x
- RTS
* a* ^# I( K u; p( m - L1_1:
% t1 u9 N' x$ c) P/ G - LDA Bullet_Type,X
! S* D( F. g, C - AND #$0F: m- e' F% `8 q+ z; u
- TAY
! }, G( X/ ^! m! W, b# G* W - LDA Bullet_Speed_Data,Y
$ i1 X, G, }8 R& Y - STA Bullet_Y_Speed,X) c& A. T; b/ Y" v9 B" v1 A6 B
- RTS& j; E# P \7 \& O+ S) ?- }5 I
. J+ T# Q* j6 k/ A2 ]+ N- L1_2:
. z0 j& w/ J6 R% w1 g2 a) f - STA Data_buffer
T( N" ]; B* W# R - LDA #$00# d) W) G1 a3 t5 G0 m, z- z
- STA Data_buffer
; t& t* f7 r2 e0 P, Y6 L7 W - LSR; R$ G$ K5 O/ D
- STA Bullet_Y_Speed,X( @# R. E7 c/ a% s; ^
- RTS
0 ^4 O+ R3 R7 p0 O% B7 { - 3 U# f/ o' J! k
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
6 f& m5 _+ u. M/ K" h& H - CMP #$04' s/ R( ~5 Z! [4 [% X+ ]
- BCS L2_1% u$ D0 x6 j( h5 Y' m& T0 A& Z
- CMP #$04
0 O+ |! [- O4 E! Y$ j+ q* t$ G - BCS L2_2
" l) L5 Y( M" s+ a - LDA #$00
R2 x0 y7 l, g - STA Bullet_Y_Speed,X* _. R6 S; b' K- o, a/ ?2 S
- RTS# ?- `9 [( f |% n# {' U! Y
- 7 Q9 k$ k& I5 [2 ]; P' B2 d2 Y
- L2_1:; }1 P' s) l% n; U
- LDA Bullet_Type,X
9 k0 k' c* O E K - AND #$0F
* B! r8 w6 C$ L# Q* N$ Y - TAY
1 S9 S5 o1 Y& x - LDA #$00# x, d0 K* S' u) J2 k
- SBC Bullet_Speed_Data,Y0 {$ _) U3 i6 |& B+ h
- STA Bullet_Y_Speed,X
s; V9 y# P/ }, Z# [ - RTS! ]6 u9 m0 U9 Y- D$ ?8 W' D
-
# d! E% u, Y3 a% c - L2_2:$ Q" v+ X0 s9 Z3 ^: y2 D
- LSR
- J. j( i0 k3 A - STA Data_buffer8 I" R" Q/ L7 C9 c0 Q
- LDA #$00) Y9 F' n0 k+ i. ]. o
- SBC Data_buffer
0 ^, Q$ P3 f+ x- M6 M) u1 k - STA Bullet_Y_Speed,X
8 q0 e& m3 S+ D; G9 f - RTS
( a* N$ D: B" Q5 b1 S - 7 p& Z4 n8 ~ ?% i/ {+ j
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
, r# `& t; k2 _2 C0 }) @ - LDA #$00
* @. `- H1 a! j' P# `% d% ]! e W - STA Bullet_Y_Speed,X g- N$ j4 ~& ~/ {# U- d
- RTS/ k$ J& R5 }7 @8 r1 A
-
# y. e, b" }/ t w8 L3 \6 C - Track_Enemy_X:4 Y3 ^3 w' Z2 n2 U: F" F. l6 r% C6 z
- SEC
, q _6 R4 x. r0 e/ N/ i - LDA Bullet_X_Pos,X
: j. _0 X/ _2 u; W# h5 ^ - SBC Enemy_X_Pos,Y
/ R- Q D$ c8 `8 Y - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X6 e, v# c% `3 K" V
- BCS Track_Enemy_X_Greater ;子弹在敌人下方/ D5 K* _3 ?; p( A5 Y+ ]
- 3 \1 D( P8 J. |) }
- Track_Enemy_X_Less: ;子弹X < 敌人X
; C `! _2 ~& m. y8 m; i9 I a - CMP #$FC
) D" }) }* r6 w) S# Y% f# V; v+ q. O - BCC L3_1
( @0 @. q6 ]: X& a- |. `& F' }: { - CMP #$FE4 H7 T$ ~4 k$ w' Z! B+ v0 V8 y
- BCC L3_2. Y3 j% F/ _9 ^! G) O* ?
- LDA #$00
& P! b E: h- `1 T- U/ ~ n - STA Bullet_X_Speed,X
. f; c( ~- K% u2 f( _; q, Q+ G7 i - RTS
9 t' N9 m; W Y. Z1 z9 m - L3_1: ) z/ \4 N2 w$ c& w, u. W# l" S/ y! Z
- LDA Bullet_Type,X+ ]9 {; e! L4 T3 F; F
- AND #$0F
2 @5 Z; r" c2 l9 C - TAY) [6 G/ @+ y+ l: d+ l' ^
- LDA Bullet_Speed_Data,Y
7 K5 Q# @9 A+ A4 k - STA Bullet_X_Speed,X* p( S4 ] A, r0 i) y) z$ o
- RTS: y( C2 F0 k/ B$ w0 @: t1 o
- L3_2: 0 c; m* u0 h4 }0 F& _
- STA Data_buffer
' B( |( I. }- l; j' ~ - LDA #$00" P" `! O8 l( M- R4 |& M
- STA Data_buffer; f8 I2 j0 y' R$ K
- LSR& y% S) [1 v0 r% H$ O- N+ w
- STA Bullet_X_Speed,X
8 S: I1 L* e. g8 D) p3 P. a - RTS
% h! C+ B. p9 j/ C# i -
$ w0 Z+ V$ R: s4 V9 @ - Track_Enemy_X_Greater: ;子弹X > 敌人X
! \0 l0 \2 [1 {# _) Q6 l. _7 Y3 ` - CMP #$047 W1 I+ o+ D! N& Z
- BCS L4_1
' I$ p* L! M, p& X" v. q {% H9 L" U - CMP #$02
9 m* o. U( s) `' S0 F - BCS L4_2$ t8 m" o9 f' E# D) X
- LDA #$008 i3 H% D) _; w
- STA Bullet_X_Speed,X% J- u% j1 _& }- a! e
- RTS
5 J- q2 ~3 J3 {2 I9 ` -
) D5 G* Z$ B% P9 O - L4_1: 8 P" L8 c- |7 F0 }
- LDA Bullet_Type,X
+ n5 o' l/ z+ T) ]0 D9 o- z' q - AND #$0F
/ O0 B8 M# J0 q0 ]7 q! X5 O b - TAY' y% _. H" [: R) H2 L9 O! o
- LDA #$00
, l+ B# K2 `% g5 ^ - SBC Bullet_Speed_Data,Y/ p: N+ W# o; E5 Q _7 i1 y W$ n2 H
- STA Bullet_X_Speed,X3 Z8 F1 e5 {& ]" b7 R& J
- RTS7 a. V8 ~) O6 G6 Y, e* x
- L4_2:
_, l2 r& s6 B1 U& C6 { - LSR
# n. N6 F2 @% ?6 \. i4 V c! ~ - STA Data_buffer
3 [% k9 I4 V" o1 ^, v - LDA #$00
" f8 m" ^) T2 Z T' c5 T2 D! ~ - SBC Data_buffer w; |, E+ [6 J& ?( n* n
- STA Bullet_X_Speed,X: |# T& s1 B# G- }! f+ z
- RTS! u" O3 @& E& ?* w8 R9 l+ i5 \
-
z4 C" H6 a# ?: D7 F6 e - Track_Enemy_X_Equal: ;子弹X == 敌人X6 l5 `1 b( L e% w6 P
- LDA #$00
) E2 o- L% [* X - STA Bullet_X_Speed,X4 Y( Z0 o. ]9 Y" ^$ S, Y" w: f" g/ |
- RTS
- K8 R6 V2 J9 a) r8 Q) e/ G - 3 F! e& B2 `0 p7 q) |- g7 H
- Bullet_Speed_Data:8 r2 R$ p2 e4 D
- .DB $00,$03,$03,$02,$03,$03
2 r9 X3 s) x' j6 s6 |5 l% G# U -
# U; z2 U* I. h3 o! S8 w/ `3 i - ;2, 4关& Z [0 E4 @; R7 Z2 U2 N
- Track_Enemy_Ex:; w2 j4 d, y+ R
- LDX #$0F
3 S5 {# L. D* j( M) E - Track_Enemy_Ex_Begin:
/ V1 Y2 \3 _4 g0 _ - 6 i$ _+ O% n. R# m
- LDA Bullet_State,X
- y E; o' H1 r2 N) n: Q - CMP #$01
/ h6 O4 J- x9 q5 g0 P t0 [6 p1 J - BNE Track_Enemy_Ex_Continue- h* _1 E+ |' S6 Q0 a! m$ K
- * u; M/ K, K0 R' ~. d0 L
- LDA Track_Enemy_Index,X
/ P; c7 s% ~: M5 Z- t$ G5 L - CMP Enemy_Index
N& i2 t5 K% S - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
7 o* f' d7 Y! f' b# s e - " u' w3 A ]4 r* G6 ]) Z+ }8 R, h
- LDY Enemy_Index
% _, x' v0 f% u0 l( O# i - JSR Track_Enemy_Ex_X9 d! W( W# B K. R. ~4 o8 h
- 2 h. \. F+ Z7 F2 r
- Track_Enemy_Ex_Continue:
) ^$ W$ d% k& I) O* t {1 ` - DEX
1 L$ \8 c, ~$ f- e7 c - BPL Track_Enemy_Ex_Begin
) S+ Y# M3 U- ^( d - Track_Enemy_Ex_End:
+ G5 P2 k) O5 R9 t/ ]0 s - RTS4 g7 `& C0 `/ c
- 4 [$ V/ }8 D8 P- m: K* Y% P
- Track_Enemy_Ex_X:' T" Z# e) _; y
- ;LDA Bullet_Z_Pos,X3 x9 e' H3 I* [9 W+ W7 y& J$ {1 E
- ;CMP #$04
- @! b! m7 j1 b( z$ w* G. z - ;BCC Track_Enemy_Ex_X_End
: ^; l# G; ^0 D& @" H - SEC
" @* `7 i( ^) d# J - LDA Bullet_X_Pos,X( |; d) R' v- D
- SBC Enemy_X_Pos,Y* n, u7 n; Y3 i0 k. N3 ]/ a
- BCS Track_Enemy_Ex_X_Greater _2 ^: X! }: }( f) f9 ]
- + b$ B' x8 F a) _ A5 ?8 i- X8 N
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X" u: U3 w3 o/ [& z; P& w
- CMP #$FD
/ K. @7 B& B: z - BCS Track_Enemy_Ex_X_Less_End, @+ f: t0 x+ ?. ?, C' g3 L! l: X
- LDA $6020,X9 s# x {, z+ e% U5 H
- CMP #$2A# T1 w# c3 C/ Z9 ^2 C* L" o% ]
- BEQ Track_Enemy_Ex_X_Less_L1
) l) S6 Y" {/ l( D - LDA Bullet_Z_Pos,X
9 R0 T; Q5 R6 A! I - LSR
7 D4 _" I/ t* E - TAY
& ^* j" H- l, s8 ~; r" B - LDA Bullet_Speed_Data_Ex_R,Y( {0 N3 M0 R( H* m
- STA Bullet_X_Speed,X
2 \! a+ |4 e( p" T* x5 {. k( \ - RTS
* P9 X6 [% d9 w7 O; d3 e - Track_Enemy_Ex_X_Less_L1:: |) T" z! N& r6 ?$ r, J
- 1 l4 g o1 j% k0 G; X
- LDA Bullet_Z_Pos,X
! D# S' A h( {4 Y - LSR
! {+ p6 X9 o) V2 R& ^, m' _ T2 _: g - LSR
. Z" T5 v, z! q3 n2 ^ - TAY8 U+ j1 x! O. W! g
- LDA Bullet_Speed_Data_Ex,Y
7 Q% d& B5 Q4 C' Y4 P) T - STA Bullet_X_Speed,X5 C) ~1 p* a9 F
- RTS5 Q% z$ l% d8 O, x
- # c! g' b3 g* w+ N/ s1 M
- Track_Enemy_Ex_X_Less_End:
* W+ C6 a' j& Q$ \, d2 ^+ Y+ v - RTS* ~7 F {: B. x; Y6 K9 H. Y2 }6 Z! {
- 1 [* f+ \ B* U r! F6 H
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
! O% Y* ^ h4 l f( M% U! B - CMP #$03
! g5 n; s3 Z2 M+ {. w; l; ]! t - BCC Track_Enemy_Ex_X_End
9 |) ^# `- l: V - LDA $6020,X2 L7 C; r3 @3 g( m Y7 U6 y
- CMP #$2A
8 N4 S/ R0 ?1 g% n: N - BEQ Track_Enemy_Ex_X_Greater_L1
4 \" d: N6 T& J O2 {: E2 I - LDA Bullet_Z_Pos,X
1 U5 ]$ `7 `! L& }. R - LSR: A, V% n6 \2 O4 l0 v# m$ |
- TAY
" S6 K" ?" B# G [8 P - LDA #$00
9 K# H5 R" r8 a5 l1 x) h/ t - SEC5 Z& p% o5 \0 W% t
- SBC Bullet_Speed_Data_Ex_R,Y! I: {9 s5 L ~. y* _
- STA Bullet_X_Speed,X, Y* }' Y$ j' e3 f* |5 b5 G
- RTS
3 p" C9 {" D+ ^, n1 I2 _ `# r# l -
; T3 I/ j5 C' X9 T* V; i5 a - Track_Enemy_Ex_X_Greater_L1+ u+ W. g3 v% ^/ W4 ]8 _3 s- a
- LDA Bullet_Z_Pos,X: Y8 ^ s/ e& ~& H. L+ ]# ] C7 e3 H
- LSR/ C1 O4 p( I1 `) w
- LSR
8 Y. d2 b) a+ W. M- S - TAY; ~; i% e+ V6 b4 Q f; e0 A
- LDA #$00; k% S: B& B* x
- SEC3 r" L; Q* B& {) `6 Y) y: c
- SBC Bullet_Speed_Data_Ex,Y
0 N8 U1 m: J+ {/ W2 S9 `- X. K - STA Bullet_X_Speed,X. L4 @" I( [8 k
- RTS
1 K2 u* }, S3 @3 W- ~( j -
9 r n: K& |/ n4 Q | - Track_Enemy_Ex_X_End:9 g. T# \! ^# `
- RTS
( d5 Q1 h$ O; m -
$ Y, v4 t1 H0 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)$ |% d: {" x5 G
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上+ } V: J2 _- w. k e. D
- Bullet_Tract_Direction:/ o7 `; a8 ^( x0 V( D
- LDA Bullet_Icon,X& F8 D# F2 H3 z/ `2 P
- CMP #$23
Q' T5 [( T0 |% U A - BCC Bullet_Tract_Direction_End3 ]9 X: h7 T/ s3 |
-
& q0 X. ^: y. \/ Q1 H7 o) p2 O - ; X != 0
- E5 h @$ v. g/ r7 C9 y% E - LDA Bullet_X_Speed,X! P# @9 U6 S$ e* D% H0 G
- BEQ Bullet_Direction_V& ]8 h- y) S+ Q- z8 G- E
- % m0 q2 s/ d( Z+ r1 ^0 I( Y9 ^4 e' Z
- LDA Bullet_Y_Speed,X l9 B6 A- P2 k$ \
- BEQ Bullet_Direction_H, | u* m8 ~* {* V) S8 P6 O* Q
-
/ ^+ z. h! x& Y - LDA Bullet_X_Speed,X
. r3 x( K5 `! k1 k, }$ s - BPL Bullet_Tract_Direction_Right9 ?$ v0 o; _/ r" o. C- J
- Bullet_Tract_Direction_Left:+ m e' V2 R( q9 b5 M+ _" m A( S" I
- LDA Bullet_Y_Speed,X G) m! N4 z Y+ t- m; M* A- ]
- BMI Bullet_Direction_Left_Top
+ t/ O! w' D# Z8 k9 }* m - BPL Bullet_Direction_Left_Down
; C6 x0 M+ f' J4 t" \0 ]/ E - Bullet_Tract_Direction_Right:
/ m: h' S* j: H; Y/ d6 |: ^) J% I - LDA Bullet_Y_Speed,X
5 }4 S8 ^) k w/ Y c% K$ J9 _ - BMI Bullet_Direction_Right_Top& x0 q Q5 d9 i8 L
- BPL Bullet_Direction_Right_Down0 p- A' c8 @# N! g
- Bullet_Tract_Direction_End:
2 L+ z8 l! ]( \+ e - RTS
' u* X/ c& T) o5 J+ q - 8 U, j; p* V$ ]" E+ L
- Bullet_Direction_Left_Top:
4 K. D; I: J; f0 m! W! m7 e - LDA #$251 ]2 t" ` |* l' I( w; Y
- STA Bullet_Icon,X- i- c4 E8 X& N: z/ `$ O7 U
- LDA #$C04 ?8 X" }% @8 j2 ^: O
- STA Bullet_Direction,X
: W7 ?, z+ v6 |3 F/ f$ s - RTS) B2 }! d# L9 x3 Y, K8 z+ a! r
: x' X. h, [, J, F; B- Bullet_Direction_Left_Down:2 K2 V' K, m. q; Y
- LDA #$25: _1 T4 A7 ?8 J4 Q
- STA Bullet_Icon,X0 H1 G3 y, ~7 x [4 @" i1 n+ e+ _
- LDA #$40) c( [; W; \1 `. i( p
- STA Bullet_Direction,X
- i+ E$ E* k+ G8 d - RTS
g# a* d# @ _+ D; g: f
5 c6 u9 x& T( v; u: D- Bullet_Direction_Right_Top:" b) h" m) J, \- R1 Z
- LDA #$25
0 w+ U) M4 h E2 q" _+ I7 Z# C - STA Bullet_Icon,X1 m( t" i* @+ j" O6 ?) n
- LDA #$80
8 S, K" w9 u6 S& G/ a - STA Bullet_Direction,X
: z) {9 b+ t) g( `0 M5 O1 m+ N - RTS
! R8 I8 d P& _/ n, U - : e; `# D& @4 `# A+ z& q9 ]1 e+ n
- Bullet_Direction_Right_Down:
, `& I$ B/ U4 W - LDA #$25
; R+ K0 o0 j$ Q - STA Bullet_Icon,X# [0 y3 @" R. F `$ _" d3 j
- LDA #$00
: v( m+ j" @/ t - STA Bullet_Direction,X* z0 n# n) l( Z; A8 s7 e
- RTS
; E7 m9 g, E" \) p! R3 t3 w" H - + {, {$ i! W3 |
- Bullet_Direction_H:
( j/ M- r p6 m, s/ j - LDA #$24+ q' Z% @0 Z9 q, N9 b4 H
- STA Bullet_Icon,X3 `# |1 N3 I" S7 ?; _5 l
- LDA #$00
6 G% h# \) e: w+ G+ j - STA Bullet_Direction,X' K' e+ [$ ^" u& S( B8 B7 M9 o
- RTS# z; f6 @0 z( [. B
- $ L m D0 o& J, s
- Bullet_Direction_V:
C! e) G M1 H+ ^& `2 @ - LDA #$23
' h/ B( N' d9 S, I9 G, w. c - STA Bullet_Icon,X8 I4 c K. E, v: I p7 N$ o f
- LDA #$00' Q3 {5 T5 d4 k! w9 {$ F8 L
- STA Bullet_Direction,X E1 F0 r4 l w
- RTS
" k: H5 w2 E2 J - * L# q6 p; f/ F+ }5 ]
- Bullet_Speed_Data_Ex:
7 |' ~/ _1 \* S$ e8 N) \: F - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04, J9 b' G7 @7 K8 D8 b8 c
- 0 r0 G7 H& b& b% e1 o
- Bullet_Speed_Data_Ex_R:
0 V5 v* h: K" M - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$088 k0 O% a( Q) e# R5 B; L- D
-
复制代码 4 x4 N1 ~9 m# a$ J0 u7 }
* o$ @! `6 S( q" V
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