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[FC][魂斗罗][J][追踪弹]5 Z( S2 x' m) o: |& ?! T+ n
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时间:2023.04.30
+ J9 t$ t' t; [- J作者:FlameCyclone# P+ A- c2 N' m4 ~* }# J: H) N- [
内容:
; j `' q* T- x: \ 1. 所有子弹追踪敌人
3 U. H# S8 H( |5 ]' @8 j6 Y 2. 选择键切换武器: w# Z2 Y* x- t# H: }- 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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8 _+ D2 Q% i& H; o/ pflamecyclone.ys168.com. x: d9 F! o; P: a+ m

8 g& g0 ?5 O, L$ p0 `4 U. w- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁) x& e' ~& X2 S j P2 R5 l
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L1 l( P1 X* j/ e9 y" f/ v
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
, F$ A5 z# H% B; S5 A; t! l( E, Z
1 Q' J' ^; m U0 U/ 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)
, H1 ]' l/ g/ N0 I# U# Q - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
3 y5 G! h4 T6 Z- J
' l! \7 e- l t, R$ z- Track_Enemy_Index = $60003 Y; Z1 S6 Z( t+ C3 [! _9 D% t
- Enemy_Index_Begin = $6010$ ~5 J. B- X( q/ D) r; V
- Enemy_Index_End = $6011
( F9 I! s, j( W; e$ W. D - ; F* N# q, ^! u% ?" Y
- Loop_Index_I = $6012
7 u6 e8 A, N1 n+ }" T2 L - Loop_Index_J = $6013
Z1 J0 k! C- S) z" U( [( m8 f3 P - nEnemyIndex = $6014
1 H. Z, v/ P& c/ o' f' |# d - Data_buffer = $6015
4 s/ Y" z* _ l+ Q& o - * ]8 i, g# B$ h8 A
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
; F; D4 o: n3 b/ `" Z - Bullet_X_Pos = $03C8 ;子弹水平坐标! U/ \3 M8 q" B" k* U
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
; L+ j/ L7 R2 d- @7 G6 E - Bullet_X_Speed = $0408 ;子弹水平速度
9 O D8 I. A$ ~* l) f9 [" v% d - Bullet_Z_Pos = $0418 ;子弹Z坐标
. n- k* q0 H+ z2 e f$ D - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
8 M. q8 t+ R; a3 K; U F/ Z - , M1 f5 h" E( T) m7 ~
- 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8 e3 |, p7 M; a+ F3 x3 w4 A
- Enemy_Blood = $0598 ;敌人血量
" F' N# [0 T6 S! a9 B - Enemy_Type_Addr = $0528 ;敌人类型3 i3 N5 ]4 R2 r1 g# }6 n
- Enemy_Blood_Addr = $0578 ;敌人血量
0 }! g- S( y1 g" L6 _ - Enemy_Y_Pos = $0324 ;敌人垂直坐标8 M) m- D% W. f" f
- Enemy_X_Pos = $033E ;敌人水平坐标# t. e$ V& h8 ]$ r4 X$ m" |* ^5 w
- Enemy_Y_Speed = $04E8 ;敌人垂直速度! x2 k! P/ _, T% i9 c& }& A& p
- 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
9 q/ K( e+ \2 k - 3 K9 B6 i9 H1 U2 f7 ]5 @! s( Y) O; P
- Enemy_Index = $83 ;/ `% g/ z4 r2 a; ]# \6 k
- Time_Count = $1A* J4 K7 x7 ~ Z% t. k
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率7 P* u" @4 ~! T9 |( @" e3 A
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率" g. O# o; {/ p' r3 @) a+ g! q( L
- 4 S& s/ x1 r! W% k
- 2 J0 K; {5 e$ S" Y J. ~$ G2 B1 O( M
- .ORG $61007 f) \* u' y( `
- Process_Begin:
8 b( G( M c/ M: b$ ^$ r( {& [ - JSR Enemy_Check# f. B9 e) O( \4 W) L8 T; |/ x
- JSR Track_Enemy_Check
) F/ _& q x; i5 U7 K9 d, e# U; C% h - Process_End:
* ? v. f+ W) Q) R& f1 ? - JMP $E54F7 z, H4 U4 @$ }( E- |+ m
7 J; |+ G: q/ q- Y e- Enemy_Check:. R! X' ~6 L# `1 u0 W, r
- LDA Time_Count
! [8 S/ F r, B. h' w% b - AND #Track_Bullet_Speed
" e1 j' b2 }: i& S, Y - CMP #Track_Bullet_Speed0 v" G& e4 l9 ~1 _8 F& i
- BNE Enemy_Check_End7 u7 _! J. @5 m7 m- h# Q
- LDX #$0F$ _7 `% F I) f
- Enemy_Check_Begin:* d' A9 x! e- e# L
- LDA Enemy_State,X$ ]5 |# |! e' E9 R, J
- BEQ Enemy_Check_Continue, {. I9 A- T6 o$ `0 Z q
- STX Enemy_Index; k8 h$ J% E. C |% y( J" T
- JSR Find_Begin_Enemy
6 {$ w" E. A! i. t4 [7 c - JSR Find_End_Enemy
* `! y7 l& K& t7 n; b5 E/ ^ - JSR Bullet_Track
5 j% \0 {: f* ]: |' z k. s: { - ; Q$ x$ e e L# ^+ k0 y
- LDX Enemy_Index* \* I& t' p) y0 O, f: N; f D& i
- Enemy_Check_Continue:
4 C8 f/ ?6 d5 n5 Z [+ o4 V6 F2 ? - DEX
?. L' ~+ x' I0 Z( t: U. u, P - BPL Enemy_Check_Begin
3 d5 d/ h6 U$ Z% I2 ? - Enemy_Check_End:
t' v3 h- R: @; J3 ~% w/ S0 Z - RTS
8 ?' B3 V3 F1 T# j0 s% S( y -
8 Z9 ~2 ^! i+ U; g7 R9 t6 b) v+ c' V - Track_Enemy_Check:2 V6 e' |! W( f p) r
- LDA Time_Count
5 ?! g& S1 r6 R9 [7 ?# [ - AND #Track_Enemy_Speed$ i. C! Z( o. X, Y% f: o: @: B# x! s7 t0 X& x
- CMP #Track_Enemy_Speed! P I2 H$ I. A/ |( @: ]% q1 L
- BNE Track_Enemy_Check_End
/ z* d: R$ z: K4 ` e/ J - LDX #$0F
. N% y7 A4 G Q c - Track_Enemy_Check_Begin:
( o+ R! Q6 `# ^+ m% U4 U - LDA Enemy_State,X
' p4 z! h# d7 P* m* K2 W - BEQ Track_Enemy_Check_Continue' E& m1 X6 K/ T, a1 Q) F& B0 l
- STX Enemy_Index
Z7 ] H7 ?% H1 }; g9 Y - , l3 Q3 a( m: q2 t: I
- LDA $407 V( G+ l" n) G/ M4 A
- LSR
/ P7 _; J- i$ [9 u8 j - BCC Track_Enemy_Check_Begin_L1
% S6 O& L( _0 V |! m: u/ [ -
* D8 [" S1 U/ h( {, C - JSR Track_Enemy_Ex ;2, 4
. b8 q0 M6 j2 [7 f# [! k+ {8 ` - LDA #$00
; p/ p$ @ L# B - BEQ Track_Enemy_Check_Begin_L2
( K0 K" n9 K3 Y9 o0 `! _ - : ~- j( N0 x: _% a+ y, X
- Track_Enemy_Check_Begin_L1:$ o4 k* `, Q S! f8 A/ a9 n' J
-
9 J* X/ g7 {/ M' ?) f - JSR Track_Enemy
( [. K3 ?7 L* N7 E- p8 f
- L! Q6 W6 A% l% d- Track_Enemy_Check_Begin_L2:7 E4 B/ z1 M( n( T; Q
-
2 i/ K8 V* L8 Y2 u - LDX Enemy_Index7 d. m$ J4 D* i
- Track_Enemy_Check_Continue:
8 Y( I: G$ H, s( N - DEX/ N; C y- Z/ `# F+ R0 N
- BPL Track_Enemy_Check_Begin1 ]/ ?7 W; W m: T# ~ ?4 N
- Track_Enemy_Check_End:
; j+ V: g$ \( M6 T5 U - RTS
8 `) |7 B$ G/ w, J' }2 U - 6 d6 \' r3 g) P7 l% _
- 4 t: x2 H) ~" Q3 `6 }0 r
- ;查找第一个敌人
+ r+ X( A! k& K* `6 W - Find_Begin_Enemy:/ F+ `- @6 m% F; } h- f5 v- U
- LDX #$00
: I& k n0 G p8 ~: O# [" c) A - Find_Begin_Enemy_Check:# H8 [; F9 I6 c7 R" e
- LDA Enemy_State,X
3 B' t4 L; D: f4 c$ M0 J( u8 U - BEQ Find_Begin_Enemy_Check_Continue
3 Z' R2 T* p: d - LDA Enemy_Blood,X# K4 D% j7 q4 P1 j& v) J3 D6 A- V: U
- BMI Find_Begin_Enemy_Check_Continue
; y# \. d) ^2 r- O - BNE Find_Begin_Enemy_End
W" |' Y* d6 I - * t9 l( O# {( }# Y; t8 S
- Find_Begin_Enemy_Check_Continue:. D2 ?- ]8 f2 D% h; b, e5 U2 W
- INX
! Q, ^" N& y0 T. L( u( m3 ~ - CPX #$10
2 `$ T. W [: ~, D( o - BCC Find_Begin_Enemy_Check p6 V! u2 `* B
- Find_Begin_Enemy_End:
+ {) Z5 ~# f) q2 Q5 ^9 |3 U, u0 j4 E - STX Enemy_Index_Begin+ m7 J' R" A/ U% F
- RTS
5 d: i: N# S2 [: W. b
3 A2 m4 M. ~/ x8 _/ X0 Z- ;查找最后一个敌人
: G* V" P$ w/ Z; N% I% v - Find_End_Enemy:) y0 |" y/ j. G9 F# f; X
- LDX #$0F
7 Z8 L$ a3 ~. C2 L - Find_End_Enemy_Check:: D2 c6 Q b6 L8 P; j( d& k
- LDA Enemy_State,X, O4 {& P' k+ ~8 _! j# }3 Z8 G
- BEQ Find_End_Enemy_Check_Continue6 g8 ?. _; V3 A, _3 x
- LDA Enemy_Blood,X
0 S& {5 H1 B: h4 m, z- @ - BMI Find_End_Enemy_Check_Continue
E- k; O) ~) u! j! R6 A - BNE Find_End_Enemy_End( u" r& J5 R8 N
-
. n! J3 [3 @: @7 ]$ b# W$ S1 c - Find_End_Enemy_Check_Continue:
8 I0 ], c" L8 E& G - DEX: {: R' o! F3 l6 J0 w" t
- BPL Find_End_Enemy_Check
( Y& l9 k; E, Q' e2 m - Find_End_Enemy_End:
9 V% n; h9 f& u Z& ] - STX Enemy_Index_End! X8 T! S( W% L
- RTS
4 b+ z$ ~7 k4 g0 r% Y - T* S+ G& \4 q/ u; U
- ;子弹追踪6 E0 J9 N' ?2 r9 Z
- Bullet_Track:: t1 o, f5 v* K& X/ R; i
- LDA Enemy_Index_Begin
- [- e4 \- T( j9 k9 j1 ]( D - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
B+ w0 B4 a, Q- a) C; }9 o, B4 j- }! P - LDX #$00 ; v2 V5 D) ~2 v0 q" Q
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)+ r4 B- u& ~ `9 I4 B3 Z
- LDA Bullet_State,X
9 n- P+ D& ~7 N" ` ?1 D- Y5 E - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;" j: [0 l# |0 l M$ {. k% `
- STX Loop_Index_I# S- f+ Z9 c" Q
-
5 D! | F2 H1 S. s) m6 X5 z - JSR Bullet_Track_Enemy
) p8 B" U* I" Y% ]9 c - JSR Bullet_Tract_Direction
$ p, d4 e+ |0 y. J7 o2 Y# x - & I- o K) k# n6 p! v3 W" 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- Q6 s" L+ D0 @" Z% c# p/ O
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
- q% D8 D3 u" m5 @7 { - LDA nEnemyIndex
- I2 d5 t% N- ?4 V: a3 Y1 h - CMP Enemy_Index_End% y6 e$ L% C4 D( J
- BEQ Bullet_Track_Check_Continue
% A7 }" X, J( u. j6 \ - BCC Bullet_Track_Check_Continue
6 p. G! r0 x$ w8 K - LDA Enemy_Index_Begin# N2 A) ]8 B2 ^5 ?
- STA nEnemyIndex
& Z& ~- r3 Q8 P8 Z2 n o -
/ K4 J$ C! Q) s9 V" w1 g5 T - Bullet_Track_Check_Continue:, l! G- Y* v% ~6 b4 Z* Q2 \3 ?2 ]
- LDX Loop_Index_I8 v" Y. V J+ [' @' q" F
- Bullet_Track_Check_End:( P8 q$ c& X6 V+ h0 I& H1 v
- INX
9 J* l- N, A4 G" ~ - CPX #$10' J' g2 U3 ~( O. W$ w$ o" t
- BCC Bullet_Track_Check
9 P$ j7 \1 D& n' [: i - Bullet_Track_End:9 O) V ] f5 {* K3 C: R
- RTS6 m" s% K& u% u" E! B' m3 O' C8 k
-
+ H* X- L7 E+ I- o. u - ;给敌人分配子弹
: b. `/ S9 a O - Bullet_Track_Enemy:; O, S! C) a8 q* u
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
1 i; j7 h4 C, O$ u - Bullet_Track_Enemy_Check:
" ?% \; q* j X! G1 h - STX Loop_Index_J9 t9 D7 Q/ n1 v2 u
-
6 D$ E* n% K2 M7 [+ G - ;if (0 != nEnemy[j] && -1 == nTrack[i])
! u( }' E& Z: t7 P$ z) j8 U - LDA Enemy_State,X
% D" e, \ g( f% X' s* g' | - BEQ Bullet_Track_Enemy_Check_Continue
) U! K4 N7 J. b - LDA Enemy_Blood,X
! s# n7 |' \' w6 ~ U! y: Y8 [ - BMI Bullet_Track_Enemy_Check_Continue- a8 e1 c% c( x. j+ e
- / L( C" v9 w% i$ j8 e
- LDX Loop_Index_I
, ?6 D8 K7 w7 P# b8 T+ ] - LDA Track_Enemy_Index,X
* C9 o' g- L0 U( \ - CMP #$FF% q4 u' a6 I. Y! R
- BEQ Bullet_Track_Enemy_Init8 l- _1 L. T w& @7 U% v
-
8 Z ~6 ~' [ q& |( D3 G/ y" ~ - Bullet_Track_Enemy_Init:& v7 U# F* T2 W" Q
- LDA Loop_Index_J
& `$ a, t, N( D# z2 ~4 q% C - STA Track_Enemy_Index,X ;nTrack[i] = j;
4 L9 c+ f% D Z. b# T7 Z& ] - # w' s- _$ c- A( a% L- ]
- STA nEnemyIndex9 T4 R; L. x/ v3 d% J
- INC nEnemyIndex ;nEnemyIndex = j + 1;, Z5 f& h, g; o( `' z, O
- RTS ;break;) a+ y0 U) X. ?, c; R1 e) a0 Z2 s% a
- 4 A; w [- Q o; y, z
- Bullet_Track_Enemy_Check_Continue:
7 z! B) O0 ]0 J4 \! ]" ?9 l. S - LDX Loop_Index_J
5 J+ c$ ?& D% o( Y7 _ - INX ;j++& L* z- j$ Q. f; c
- CPX Enemy_Index_End
/ [# s* K9 b& t8 P2 A- z2 t - BEQ Bullet_Track_Enemy_Check$ p5 f5 F* f/ A, W; `! p3 J' S( t
- BCC Bullet_Track_Enemy_Check. O. }1 }* p# r
- Bullet_Track_Enemy_End:/ j" ?; y/ ~$ `3 n7 F' z0 K( E: D1 H
- RTS
. J: L$ p* }4 ~$ Z" V1 M0 f - 8 E8 n8 _. M$ s* `0 `
- Track_Enemy:+ |. P) i0 q* t% D
- LDX #$0F d) a* X, X; b8 M
- Track_Enemy_Begin:" Y' i/ _% E. \+ s( C! g
- LDA Bullet_Icon,X
/ {; A' `$ R+ h# d - BEQ Track_Enemy_Continue* A& z" }* A, Q) f0 e; }
- LDA Bullet_State,X/ F4 O& a' A2 c7 a7 |
- CMP #$012 u+ @$ k1 I. K, I2 m; C9 K
- BNE Track_Enemy_Continue
- W" N6 ]4 ?- _$ V! M - - ^+ f/ Y/ Z* t0 ^% c0 w$ m: t
- JSR Track_Enemy_Process/ X3 H8 j, c$ n. \8 C
-
; V! x6 P, z) l6 s& |! ` - Track_Enemy_Continue:7 h- u* d- p+ ~$ n
- DEX, t d6 ?( C; A2 O! D+ g" O+ d
- BPL Track_Enemy_Begin
% G- o d8 a: p V6 T - RTS
5 k: N# ^ O" k1 [
. ?7 Q! X4 P& Q- ;普通关卡
[& f: b" t- j$ b B8 h - Track_Enemy_Process:" C' |, k% l8 O: j
- LDA Track_Enemy_Index,X% Q' M; ~+ [7 e( c! q
- CMP Enemy_Index
4 q! M0 c1 h9 v$ ~4 j6 A - BNE Track_Enemy_End
* E6 @. a2 P' ^ - LDY Enemy_Index
" K8 ~+ }7 H/ q, a/ @/ f - JSR Track_Enemy_Y
5 h6 A+ O; ?( M6 z; _ - LDY Enemy_Index' m' `; c: G% t( w2 ~( c$ H, l+ r
- JSR Track_Enemy_X1 u4 T v: f0 Q2 D2 d$ b
- Track_Enemy_End:
8 p2 V9 g# c# h& o) T' J$ ~ - RTS! T9 N! Y2 P6 `1 o+ B
-
) c' n; v3 j3 o+ j% R - Track_Enemy_Y:: w {" D& c. g# {+ o p
- SEC
# G# b" S4 f/ M3 B3 ?0 P - LDA Bullet_Y_Pos,X2 S3 V0 @; y2 o6 i! m
- SBC Enemy_Y_Pos,Y
, ]+ E- _) p8 G K/ x - BEQ Track_Enemy_Y_Equal; {* a) S1 A1 C* C
- BCS Track_Enemy_Y_Greater8 K5 W+ k7 u7 I
-
# a6 N- ?( x, Y2 i0 {8 F2 V v - Track_Enemy_Y_Less: ;子弹Y < 敌人Y8 n4 O, h( h* W1 [0 d# H4 X# b
- CMP #$FC2 @" U+ V" ^9 @! V2 v6 n* }
- BCC L1_1
% g$ E+ ?; `- l2 @) R+ z- h - CMP #$FE/ `1 x5 t8 b8 }
- BCC L1_2, j( C8 D' N1 p! ^: ~( a
- LDA #$00
, F, l6 e) q7 H* } - STA Bullet_Y_Speed,X+ E5 l3 V! ?' e5 ]* T2 l' I# F0 B, n
- RTS% i+ I+ v) D: a8 }6 D) y* J2 u5 M
- L1_1: ' ^3 n- p8 V# j; o
- LDA Bullet_Type,X- x4 G. e# d9 K m
- AND #$0F
/ Z0 b6 z' x2 U/ ?( }! v c; {5 ? - TAY' C/ z4 n2 F1 P* {/ P' @" L, _
- LDA Bullet_Speed_Data,Y
8 V0 H- m8 f1 c: \ - STA Bullet_Y_Speed,X" L( U* \" ]( n# _0 @+ v' I
- RTS
5 R7 y+ P7 C3 ]
3 H4 X2 D# r, Z- d8 {- L1_2:
6 I- w7 }8 B( p m D4 S - STA Data_buffer, b$ l) V/ C+ _2 J/ |: A
- LDA #$00
# A! _3 O. b% \6 }" v: c" {! z% c - STA Data_buffer9 s( r& J! Q+ {9 v2 J) v
- LSR
4 R7 R/ N5 N1 ^ - STA Bullet_Y_Speed,X1 u2 a; f. n2 w
- RTS
]* V7 D7 Y h$ C0 i9 a; e
' I/ m; V l, E5 {3 x- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
4 { }4 B* ?) \2 U: j- v - CMP #$046 r# e$ b( Q8 o
- BCS L2_1
1 @- t: V& c d8 \7 \ I; T - CMP #$04
7 ^6 s$ Z' n, O: r - BCS L2_27 s/ X! s3 w X3 s
- LDA #$00
: R0 r) h6 Y. K2 y6 x' ? - STA Bullet_Y_Speed,X0 S# [; }- A9 ^5 r
- RTS
1 A A" e+ p/ V' ~9 Q -
+ c) @, f" Z$ w+ m; B: ?3 [# v) _ - L2_1:
' q0 R: K3 O7 Q - LDA Bullet_Type,X
6 c, V$ R3 g9 u% U1 b* O - AND #$0F2 {" H+ @2 h, K4 }+ P
- TAY7 l* m. J: J. h/ D& h# I
- LDA #$00
5 c" e* s) p( m: w2 Y; u - SBC Bullet_Speed_Data,Y
( o8 z+ u8 x# ]9 P4 [6 s: ]6 @- j$ p - STA Bullet_Y_Speed,X
) {0 o, F+ L1 F0 X - RTS
, o2 E& G6 Q2 f( W* D- C' j - # |2 S! r! S; N6 @3 S# G6 O) u
- L2_2:# Y6 s2 C. K+ o* s( J
- LSR
5 ?5 O! T! h: ^3 \$ R. y# c7 a - STA Data_buffer; u- V+ G# K. F; P D1 y! o1 t
- LDA #$00
4 u' n% v8 E. n _: O! C - SBC Data_buffer( L3 I+ P( [9 Z0 z+ o! Y! @
- STA Bullet_Y_Speed,X1 c# s- s9 k3 S* E1 I1 [
- RTS! i% l6 a& ]5 L4 L+ L2 Q
-
: @2 G8 H- G+ B7 u# h - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
1 V1 i' t! O: ?, W7 g* T$ d6 ` - LDA #$00- G; D& I0 K) K: D) t
- STA Bullet_Y_Speed,X/ L, ?* ?" T% [3 L* X
- RTS: J- H' b; B9 m, H# L
- 3 g' U; R! b2 _ ^% b5 q( Z! B
- Track_Enemy_X:
' _ [# r5 U3 Z& n$ @5 u0 t - SEC: v$ k& d! G# ]4 V$ {7 O" v6 q
- LDA Bullet_X_Pos,X
7 v0 v) q; G) K% V! [# Q - SBC Enemy_X_Pos,Y
8 r% T$ a7 l9 m - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
6 S1 S5 T' P$ A4 V8 U) U - BCS Track_Enemy_X_Greater ;子弹在敌人下方
" T# j& P( R* h$ }& z4 w+ V -
) G+ h8 O( N$ g# V# V, { - Track_Enemy_X_Less: ;子弹X < 敌人X
& N/ J; ^. S3 S+ S8 N$ x$ }$ f# a - CMP #$FC
6 C+ |( Q& Z7 d( c& M; E6 q - BCC L3_1
* D% C' r7 n) e9 _ l - CMP #$FE
& A6 l) \- v7 k/ o - BCC L3_28 t( [& m' n8 i/ j# X) ^" P3 Y
- LDA #$00
- v7 |5 W6 t& w: v" _ - STA Bullet_X_Speed,X+ r b4 Z/ P5 S3 U, x2 \
- RTS
4 r& ~8 j- G7 q: L5 D* K f - L3_1: 2 |# v. S+ u }5 R5 |7 H9 b
- LDA Bullet_Type,X
. m7 l9 [- @6 J( r5 H. [- | - AND #$0F
0 y4 _2 ]2 E, t+ _4 P# r! S - TAY& r* g2 L4 N" Z$ z; X
- LDA Bullet_Speed_Data,Y
- v q' h( @9 a, g1 b1 \ G2 T - STA Bullet_X_Speed,X6 T) _8 k1 k7 u- L# g. C' r
- RTS
4 x) E# E( _! Q5 m1 k' R# @1 J - L3_2: , E1 P( c7 d/ e* \! ~
- STA Data_buffer
( v' T9 h y, q j! b - LDA #$00
, j4 e: n- |: Q1 C - STA Data_buffer2 M% I5 i* W1 N; _
- LSR- U7 C. p* i$ Z+ F$ W
- STA Bullet_X_Speed,X
@' k5 f$ q \9 Z( f - RTS
3 w- t2 ?6 }' q* B: S8 G, s -
( s, S! [& W3 q* _8 ], t - Track_Enemy_X_Greater: ;子弹X > 敌人X
s: J6 s* C( }, i - CMP #$04" O @ v' P, C" U5 A
- BCS L4_1
; g% Q* l4 n f4 B2 @ - CMP #$027 T0 B) W; e2 |8 l
- BCS L4_2! J/ ~8 F4 l3 B8 L: k r/ p2 w0 z
- LDA #$001 X V2 H* t- u/ F4 K6 {( M
- STA Bullet_X_Speed,X/ Z( [4 ~% Y. ~" |" d
- RTS
: m; v, d4 W( H" M: J) y - 1 t! D' R# F) o! ~
- L4_1:
, }! b) I- _0 R. t8 d+ m& m% T - LDA Bullet_Type,X
8 Y0 Z- N% }7 b/ D+ s2 r - AND #$0F
5 J6 w* u. G1 |1 D8 f - TAY) g4 f% @% F1 R
- LDA #$00# S) U1 C( k; I! N/ S
- SBC Bullet_Speed_Data,Y
+ {" K) Z! |0 e) i, `8 Z, }8 p - STA Bullet_X_Speed,X L0 X5 ~: Q# [) J$ O0 k8 e
- RTS
5 s0 C1 ~% J) d: g. t# A2 h - L4_2:
d" Y x) c6 ? - LSR
- b" r& Q7 B/ e; w; C7 E* P - STA Data_buffer8 K/ O: o3 G |8 u' M9 n
- LDA #$00
4 d, _- c0 K& w - SBC Data_buffer
. I, q* p* [) B8 O- F - STA Bullet_X_Speed,X9 A$ s8 J* C! H& L% P5 v: I
- RTS
" d5 \. @3 i8 p9 Y# B) Z" f& y, X -
- A4 M/ u9 P, X - Track_Enemy_X_Equal: ;子弹X == 敌人X
9 d7 Z3 }7 B( I! `; g1 J - LDA #$00
& q4 c0 y) d' ?. k. y9 L2 k% D' P - STA Bullet_X_Speed,X
. u9 |* M. Q& B$ T - RTS0 f+ M, o1 a4 T5 \5 m7 J! T
- w5 t2 e3 \+ J+ J1 ^
- Bullet_Speed_Data:3 y: K5 H, w! `( h5 X& j. E1 _! X
- .DB $00,$03,$03,$02,$03,$03 |8 q. q0 g; v5 t5 i4 m
-
! p6 S4 o9 J5 b: H8 Q - ;2, 4关
8 P9 E9 }+ G) r8 V+ Z+ _$ w - Track_Enemy_Ex:9 @8 t7 K7 G+ m/ M% g: |3 V" h! F
- LDX #$0F# x6 c; C8 ?8 C" d
- Track_Enemy_Ex_Begin:# V4 v: j4 ?+ v3 Z, \" p2 j4 L
- * W, y7 H" @6 ~ m* e8 X
- LDA Bullet_State,X# W2 e. y* `7 r' N& B6 Y) `
- CMP #$01! t; _3 g0 `! x! ?; C" T$ M
- BNE Track_Enemy_Ex_Continue
r8 Y* E! L0 Q( Q" M+ _. h - 0 S2 t0 [* _$ z$ x1 G
- LDA Track_Enemy_Index,X b6 A+ T( J# i9 |# E- ^' b
- CMP Enemy_Index- C2 }3 b' k! l8 Z" E
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标# M- ~2 q9 r1 N6 B+ I
- 3 ]! ]5 `4 `2 F9 \# m- d# {3 f
- LDY Enemy_Index0 ^+ j+ {2 Q/ u" p1 @# o% {/ Y. b/ W
- JSR Track_Enemy_Ex_X" L. A9 z$ L( k, b5 |9 P
-
6 X" X C& x( a8 Z1 V* u - Track_Enemy_Ex_Continue:
. t9 G9 ]* l( q1 ~% R1 C - DEX" Y$ V, f" R) u. Q4 v
- BPL Track_Enemy_Ex_Begin
2 J$ X; i! j3 E; u% g - Track_Enemy_Ex_End:# _$ X6 T7 _2 ^5 G
- RTS
! @2 Y; Z& k7 U; t: L' Q) Q - & D7 b4 g u- Y! [
- Track_Enemy_Ex_X:
5 T: E5 g# |$ F, K e3 S; b - ;LDA Bullet_Z_Pos,X" t |8 v. d+ R) Y
- ;CMP #$04
0 f, }# b8 w5 A' { - ;BCC Track_Enemy_Ex_X_End: ~4 \; Z- z! F3 k
- SEC
' t4 L4 r5 n/ A" o: K# S - LDA Bullet_X_Pos,X
8 S+ T, `3 ^( e4 E/ i - SBC Enemy_X_Pos,Y0 b* A1 b- z% r% C* d4 m
- BCS Track_Enemy_Ex_X_Greater
2 M% Y0 E6 ^) ? - 8 t4 v* c; `9 q3 m! s3 t& T
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X6 t) ? m+ r+ U; J" x7 D
- CMP #$FD0 _: y8 \8 J5 G& t7 x
- BCS Track_Enemy_Ex_X_Less_End
5 Y4 k) y; ?; f - LDA $6020,X
1 f( g' l1 W% d$ d- s - CMP #$2A q. t6 I1 c. C, u* P
- BEQ Track_Enemy_Ex_X_Less_L1
/ P0 _3 e3 W. y/ K - LDA Bullet_Z_Pos,X1 |2 X* y& j, e+ `! N0 h% ]
- LSR: |" s' V- H' I9 Z5 ]9 L) {+ }8 O
- TAY
( K5 ~: g7 k6 K - LDA Bullet_Speed_Data_Ex_R,Y+ Q7 F+ t/ ~ m {: a& d9 j. N1 S
- STA Bullet_X_Speed,X% r: c7 l& r1 L( @% |4 Y. M
- RTS
3 @2 z# q$ ~7 y: l - Track_Enemy_Ex_X_Less_L1:/ j! q N2 x3 ~3 ~4 k
1 t9 n: P h6 e( W- LDA Bullet_Z_Pos,X9 v& n- M; u" B1 s% \
- LSR; Z! L# }; |) ~; Y3 `# a& h$ W
- LSR& C( q2 l8 p0 y# y6 A6 Q2 U( Y: t8 ^7 G
- TAY
, k' H- s! [! G/ Y+ ? - LDA Bullet_Speed_Data_Ex,Y
. x$ m% |5 J8 v5 s; R- n8 Z - STA Bullet_X_Speed,X6 a! {, E! f# u, }
- RTS1 g; C) w+ V% @: e1 [8 i/ k
-
. x2 w" l. a4 H G - Track_Enemy_Ex_X_Less_End:
" ^, E3 l9 J" w; _ - RTS
, i7 d6 A3 Z7 n; s1 E" y$ p
) ?& D3 c; W+ z! U8 K! n( E4 w( a- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X0 f6 j; D8 Z8 q7 e( B: E( a
- CMP #$03
: ?1 k" v8 S3 q) h1 K. K# i - BCC Track_Enemy_Ex_X_End9 c" o. ~% x9 t: B8 w' Y
- LDA $6020,X
% I4 N0 B% C" i7 P1 J2 K - CMP #$2A* E9 h! I- l1 T9 ]+ Q
- BEQ Track_Enemy_Ex_X_Greater_L1
/ q v- a9 i7 w( J - LDA Bullet_Z_Pos,X
& D' X/ M, }" e; i - LSR
* @5 t3 Z0 c: }! X6 |; X& e9 f$ r - TAY
) f- F4 B2 b! D: \# Q& { - LDA #$00$ n" s4 A6 ?* E1 Q2 m& Q. f
- SEC5 A# a* t" @, w7 @6 x
- SBC Bullet_Speed_Data_Ex_R,Y+ s4 R5 C0 x; M- O1 J
- STA Bullet_X_Speed,X
! y+ n7 ^& Q8 l$ I0 i5 { - RTS
9 t5 r. @4 v; }! r -
1 }, R0 k; ]$ r0 n( j) u0 @ - Track_Enemy_Ex_X_Greater_L1
7 M4 U1 C$ i4 L$ E: j - LDA Bullet_Z_Pos,X
6 l* G, o' o! d, W+ L ~ - LSR
9 S0 A4 d) d ^ - LSR
" X( U# p! i; V h! Q7 P/ p - TAY
* M( Y& P! `! w - LDA #$00
" C! _. x+ K( d - SEC
9 R' n2 X1 s! Y& _9 y - SBC Bullet_Speed_Data_Ex,Y# J1 k) I% g% h3 l, N, W
- STA Bullet_X_Speed,X
9 @( Y. @7 p4 Q+ O; H - RTS. ]7 T! k ]' l- ~7 q
-
% q7 E* ?9 N. ~% a - Track_Enemy_Ex_X_End:
1 H5 y9 x$ x3 N) y, I N - RTS
' O% Y0 A M& \0 j -
& d+ |$ j7 V8 V - ;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)! t/ W/ @+ l- k
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上2 \" Z* N" h$ H9 |, o) q0 Y+ b
- Bullet_Tract_Direction:0 n2 P3 t7 V8 X9 p& n) r: A) D
- LDA Bullet_Icon,X: A; @: q* l; v) [7 ^% ?0 B+ x) W
- CMP #$23
9 q8 w. X9 w- x, {! g) M: v1 X( H - BCC Bullet_Tract_Direction_End
5 l0 S+ ?8 h a! E - ( C5 h* @# C3 ?# g, ]
- ; X != 0
5 C" s: y" H( X3 e, h8 }4 } - LDA Bullet_X_Speed,X" Y# n, Q3 ]' q/ \
- BEQ Bullet_Direction_V
$ g0 L+ g, Q& ?8 P* a: o -
% Q/ b) @) Q+ Y9 X+ [ u - LDA Bullet_Y_Speed,X. r# g0 F1 j0 K2 {3 i2 [! t6 x1 M4 e7 ]
- BEQ Bullet_Direction_H
) n0 ]5 K) o3 W$ i9 T/ D. E, h; v -
$ x% Q/ O0 A( ~- O/ ^ i - LDA Bullet_X_Speed,X
% M* P5 |6 I( j/ O7 U7 y - BPL Bullet_Tract_Direction_Right7 D! z9 I8 z! S+ {+ D+ x. t
- Bullet_Tract_Direction_Left:! g* M4 p& Y g: C% @
- LDA Bullet_Y_Speed,X
* T5 ]4 Q9 h2 p1 [' e! @ - BMI Bullet_Direction_Left_Top
) \1 U* s% W( u W! [6 S9 A - BPL Bullet_Direction_Left_Down2 J6 P* ^7 ] i. [
- Bullet_Tract_Direction_Right:
: \+ U/ @( ?/ y# p# X - LDA Bullet_Y_Speed,X
/ A ^- ~" V" y8 D3 K+ { - BMI Bullet_Direction_Right_Top
$ @" w) D: h& x- U - BPL Bullet_Direction_Right_Down
& q0 F g" N) m - Bullet_Tract_Direction_End:
& V( b: p/ T; k2 n& Z - RTS6 n4 j5 i3 @: R' k
# V$ T; v3 c' H) a4 H, T- Bullet_Direction_Left_Top:
: D A! n( ?) ~. d* i - LDA #$25
0 R+ j. D9 H3 Y9 H9 w7 r - STA Bullet_Icon,X
! Z& u$ p! D7 D# x$ i. ?& `7 ] - LDA #$C0
( d1 X4 O" H( S: d5 @ - STA Bullet_Direction,X
6 O/ l( Q% C3 j( x/ q - RTS
6 e% @* u% j5 N# F' @6 V* p1 m - 5 O& `8 _' Y; Y* \& j3 B7 N* R
- Bullet_Direction_Left_Down:+ I0 q/ U2 V9 g9 n: M' u
- LDA #$258 D, O5 y0 _& s5 G9 @. u& W6 {
- STA Bullet_Icon,X# H5 a% ^. X8 ]4 x1 c
- LDA #$403 z# ^. n5 H6 b9 a5 c, I
- STA Bullet_Direction,X
0 C% S7 n+ Z4 m9 G: s - RTS
5 f. Q0 }0 ]6 D5 m/ C+ w% C- D1 W* O5 R - , ^! \9 h1 Z4 ]# ], E' Z
- Bullet_Direction_Right_Top:# a; Y, N$ O* P* e% Q' G
- LDA #$25
. y5 _" W# m+ e0 G. O9 l7 c - STA Bullet_Icon,X, D. _% ~7 u1 s4 o! j
- LDA #$80
2 W. r0 M! i9 b8 P2 N6 B - STA Bullet_Direction,X" q9 t6 }" O g' C- |+ @! y
- RTS$ X7 v& G$ Z5 ^' y$ C9 S! r" s8 Q
- ( z" k- h) [& H. M
- Bullet_Direction_Right_Down:
. r p; ]: H2 p7 [( {, j - LDA #$25
9 M8 x" Y$ h2 F5 v1 p2 c9 Y - STA Bullet_Icon,X
I' T7 E- c U - LDA #$00
) _7 F7 Z; O! k1 r1 B, B# R - STA Bullet_Direction,X, f( Q4 _' ^- N: V8 P
- RTS* S$ w. S9 x3 N2 ]; T; S
- : ]" s* v8 T7 l5 e' w
- Bullet_Direction_H:
4 Q; A! h) B# B; y - LDA #$24' y6 J' s9 Y' x* y
- STA Bullet_Icon,X
3 h: a, A/ l, a. ?2 R" }# k - LDA #$00
% B9 }7 ?2 P% ^9 \5 I# t - STA Bullet_Direction,X
2 \2 G C4 T {9 t1 Y: S+ s - RTS9 Q* K1 i0 Z+ `# |' F
- 9 r3 q$ K# e/ G5 i3 D6 p& o
- Bullet_Direction_V:
5 H0 U- t, e( D2 t - LDA #$23
! X+ j, n: [: ?/ ~ - STA Bullet_Icon,X x, z/ O) U3 R& D6 E0 j2 q
- LDA #$00
5 T4 t# |& W- g2 B5 b4 | - STA Bullet_Direction,X0 f3 B$ ]' C( f* p4 v
- RTS
' O- J) X: ^ Z9 u - ) t9 }/ _/ X5 C' v
- Bullet_Speed_Data_Ex:: W, I- W# J- c2 `8 D' h- T4 A
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
' @1 r# j' F& _& } J, I - ! ]' f2 \: Q! u% I
- Bullet_Speed_Data_Ex_R:
, G% x" n, g' Z4 @# l! M - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$082 Y, e4 I H, Z5 l
-
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