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[FC][魂斗罗][J][追踪弹]
( w& |7 ]. H: J# T* m
9 c) `6 D) B6 S时间:2023.04.30, S& L( [+ }3 U2 h) Y' A
作者:FlameCyclone
/ |5 W, B+ b5 T) ~% t内容:
- a V2 B4 I1 G4 n 1. 所有子弹追踪敌人
+ r; ~* d* R& M q 2. 选择键切换武器/ i) Z# L! }0 ^( ?) J+ 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
4 V2 r- o4 F1 f/ x/ n, E; U+ M: s1 o" R3 e0 F3 g$ e+ N% E
flamecyclone.ys168.com$ y$ y; O Z. U- X) l

* @; o* f# V& k- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁+ A0 z! _: e1 o: {/ s
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" ~5 s5 @- l) C2 l
- 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)
- K& I( T- g1 a* f - ; i: ^) `8 f, j0 g
- ;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 v( Y& {0 U, X* o, z6 s: \
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上) L N; ~; Q" u# r# C
' Y: m7 [9 {0 l1 [- Track_Enemy_Index = $6000& h6 w+ K# ~0 H6 Q# w1 V, |; s
- Enemy_Index_Begin = $6010% V% k2 D, }; D; @% u& X7 A' @- B+ t
- Enemy_Index_End = $6011 T: v; M) r! D0 p) B4 \' G$ z
I: {9 Y" s. R+ o" g/ \- Loop_Index_I = $60129 P( X% D! h Q5 T$ l; q: e
- Loop_Index_J = $6013
. v. z2 U' o6 g+ h$ G0 b - nEnemyIndex = $6014
+ F4 |' i4 i+ B: F; d% J( l; D - Data_buffer = $6015
6 d: a3 i2 V! Z8 R, S - I+ I; m7 l5 q" }
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标) P/ x6 G( l. f) J9 Z1 H
- Bullet_X_Pos = $03C8 ;子弹水平坐标$ N# L0 p# e5 ]& A" }
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
, V6 F, ^3 P0 i - Bullet_X_Speed = $0408 ;子弹水平速度
4 i: R+ X8 C, q/ Y f3 t) N; K - Bullet_Z_Pos = $0418 ;子弹Z坐标
$ b8 U: o0 [1 g0 @7 [& ` ~" a" n& a - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P( N& @8 P9 C. J4 J# `
- # o% H; F1 y/ ^ b& U" q2 z
- 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& J+ u7 T% t' i/ k D) [
- Enemy_Blood = $0598 ;敌人血量0 z/ ^: Y v8 g
- Enemy_Type_Addr = $0528 ;敌人类型
; z* G& q# I/ v3 V6 ]9 o0 U - Enemy_Blood_Addr = $0578 ;敌人血量2 n; R4 j) B3 A( u4 U# |6 O
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
0 [+ v- q# q7 d" ] - Enemy_X_Pos = $033E ;敌人水平坐标4 U3 z+ U O+ _, A8 g
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
& G0 M9 X2 Y, U' G: E$ B, W5 s: H - 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4 ?. \+ b1 U! y8 P% }; c
$ I' f8 Z1 H: G5 ^- m- Enemy_Index = $83 ;
; W+ N" N: @! }* T* t: A; u - Time_Count = $1A9 M4 u. d: F' L2 l/ r, W1 L6 D
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率7 C/ n/ Z0 m; ]5 z6 F& ]7 F" I
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率, ]2 _ G* c+ e
7 T- z) M2 X* w6 O \ d% B
6 U& E7 j! L5 p% h- .ORG $6100
+ S6 p5 r& u. f - Process_Begin:! f3 G! l6 q" G- ]
- JSR Enemy_Check
* M& p& i7 k1 @ - JSR Track_Enemy_Check
7 u: {( Q. B: Y# |* ~2 W0 k - Process_End:! q$ H- ]5 j3 x( @
- JMP $E54F
8 b, g) k! T6 g: S( P& m1 { - * h( q' U6 t# L' a/ ?6 R1 E
- Enemy_Check:
7 E0 Q% k) j) s3 y+ Z. S& S - LDA Time_Count+ g; H- e; O# j
- AND #Track_Bullet_Speed/ l/ ? y' k3 f, q4 M
- CMP #Track_Bullet_Speed- k. v( }- V: Y3 T) U o* I
- BNE Enemy_Check_End' E! ]$ G6 B- Z- ?/ r
- LDX #$0F1 Q) V: U/ Z' p; `
- Enemy_Check_Begin:2 Y# G8 q' S$ `& A
- LDA Enemy_State,X; T8 ]( l p0 B; w& X! j& R
- BEQ Enemy_Check_Continue& R) L- }4 R2 P$ q
- STX Enemy_Index* B; S& H! X- z5 ~9 v e
- JSR Find_Begin_Enemy
c$ @- q! F$ R$ \9 L3 v% W - JSR Find_End_Enemy
2 X/ u0 n7 ?, f; ^ - JSR Bullet_Track
* q; ^. e1 e4 F2 `4 ~3 T - " p7 j0 P) {9 Q! ?/ a
- LDX Enemy_Index& S3 S5 Q) c/ E+ q# }
- Enemy_Check_Continue:
! k: j( X: h' U3 _6 |) O - DEX# Y! D3 I( v' P& h3 X4 ?
- BPL Enemy_Check_Begin
! E' m/ t' N! Y$ }8 Z( B/ ?1 J - Enemy_Check_End:
W# S2 k+ Z, F& E, v$ J9 R - RTS
& a6 a& ]: }! }$ K, ~ -
* B' F5 ?6 C; c7 W3 K, e - Track_Enemy_Check:
/ I) R) y2 O7 V0 m - LDA Time_Count/ b1 J2 y; N, l" A6 G6 ]
- AND #Track_Enemy_Speed
5 |7 D2 G2 [) o8 _( d: [3 T9 u - CMP #Track_Enemy_Speed+ I3 n. @0 ^% `# v1 |2 w9 E
- BNE Track_Enemy_Check_End7 t7 ~2 U$ p+ @) b2 `
- LDX #$0F
/ Z: L) ?. ?# w4 ^ - Track_Enemy_Check_Begin:& h4 A+ S+ A r* |+ Z! M Q6 z) V
- LDA Enemy_State,X4 D% D) B% L; b/ r& @; f1 X$ m
- BEQ Track_Enemy_Check_Continue( O4 Y& f9 x& I
- STX Enemy_Index. H7 @+ P3 O- G' X' r$ ^
- / T8 A: U7 a' `7 G4 Q
- LDA $40/ E1 Q9 n+ Y7 b8 [
- LSR
. V5 S7 \. s, Y0 v9 Y - BCC Track_Enemy_Check_Begin_L11 z& F& a1 K- D9 Y
- F7 L* ^ ^& ^7 M+ l) C0 U
- JSR Track_Enemy_Ex ;2, 4
! q% z) V- F* A( O - LDA #$00
% w! f" G& g2 y- _2 ^3 Z! x/ e* g - BEQ Track_Enemy_Check_Begin_L2
3 m8 [; G& F5 `! j' c6 ^% a - 0 }# E/ N+ l% X1 m
- Track_Enemy_Check_Begin_L1:2 @" k' M* R6 |4 A1 x% h3 r
-
! I# |4 S n2 v. d3 ` Z# t7 h7 o - JSR Track_Enemy
: v x) ]2 S! Q" S1 X
- b! o( g7 T3 W5 z5 q- Track_Enemy_Check_Begin_L2:* X3 Z. { v* Z* I/ z
-
) j( g" ~" z% k7 o4 y - LDX Enemy_Index5 `8 n& N* ~1 Z9 y- B
- Track_Enemy_Check_Continue:% F8 _; m- _9 g K+ I
- DEX
& J G% n. F! M: j - BPL Track_Enemy_Check_Begin3 H z6 v! W! O# }5 ?
- Track_Enemy_Check_End:8 S! u, L# e6 b* Y6 k' |6 ]
- RTS& N J7 x0 o7 ^8 e
- 1 z: c. F l I/ c6 |) K# M5 u
^. v) p+ e3 {- r7 ]; N- ;查找第一个敌人
5 I6 } u+ `0 v! t* n - Find_Begin_Enemy:
- T# M6 V3 v! t4 ^0 I5 W' ` - LDX #$00- V# O0 |3 d1 f* M- [/ k! x( c7 |
- Find_Begin_Enemy_Check:
% ^. q) w8 P3 u" l' g' d - LDA Enemy_State,X
; w8 k# H$ z7 y - BEQ Find_Begin_Enemy_Check_Continue
; ^2 `5 q% K4 f - LDA Enemy_Blood,X
# f0 D5 a y) C% X, {/ `1 w8 | - BMI Find_Begin_Enemy_Check_Continue! d; Q* ~5 F6 a0 G6 p& k% U! ?- ]
- BNE Find_Begin_Enemy_End# Z6 H. o. Z) u) C+ }
- 8 t4 M, I9 j6 y: i& t/ e( M
- Find_Begin_Enemy_Check_Continue: u {& a t. q$ f
- INX ^; _# h: U: a9 _, T9 H, d
- CPX #$10
3 _2 c4 X- h2 D& ?8 [9 w - BCC Find_Begin_Enemy_Check
1 S) |% F2 r# o( Z o - Find_Begin_Enemy_End:
. f! ]! S- T; b* t! I7 | - STX Enemy_Index_Begin
, }$ ]2 f7 n/ |* w! y& r# W& m. f. h - RTS
4 M/ S% r, }/ ^ - * A u% @* q( V
- ;查找最后一个敌人
" B9 @! z' g! m' H) [ - Find_End_Enemy: p+ J: e, {# |+ ^: z' x" z
- LDX #$0F
2 [2 Q1 ]( }) s) M( } - Find_End_Enemy_Check:
/ }$ z0 l6 ]' X N - LDA Enemy_State,X
/ |+ k/ _; @* j - BEQ Find_End_Enemy_Check_Continue G4 M4 ?& I, y8 l
- LDA Enemy_Blood,X
' J4 C& [3 g+ l1 I& N1 F - BMI Find_End_Enemy_Check_Continue6 }/ J4 |& I* K& ^$ D8 N! k
- BNE Find_End_Enemy_End
* p' L3 r3 `+ u1 C, r6 y j1 [) { -
: X! B) g* m) A7 U) x' d, N9 s, a' g: q - Find_End_Enemy_Check_Continue:) F! ?2 N7 t8 O
- DEX$ l5 c7 G+ ~& S' e1 u+ J
- BPL Find_End_Enemy_Check
$ N( x8 g2 B n0 A/ M - Find_End_Enemy_End:
8 Z) k/ p& n' r7 K7 P* F+ U - STX Enemy_Index_End
+ Z7 @% W5 E7 K - RTS- d" c9 T3 y& t, J6 J- T& Z- h
) l+ f. c2 S0 f6 d) S5 D- ;子弹追踪
) `. n2 k( z: F' n - Bullet_Track:
q6 K+ |/ I i; V- U - LDA Enemy_Index_Begin
9 M. W& m6 R1 l" q1 z3 m: Y5 } - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
/ Z* Z0 H! _6 j) C - LDX #$00
# ~! f$ m6 H: u% t- X9 v, a - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)& R- ]) b7 J" I, G! P
- LDA Bullet_State,X
6 n8 b4 o; f" ~& \3 t - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;. n0 Q6 T# j1 P. N5 x- c
- STX Loop_Index_I4 \, O! |8 ~0 |; E6 c& H
-
2 h! J& z6 \0 x1 @4 X: @ - JSR Bullet_Track_Enemy! H. a ]& Q$ o% a! w; e' k: U
- JSR Bullet_Tract_Direction! Y, f; F4 [2 N
- ( t5 i) s6 U9 z1 T& j5 v3 d
- ;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
% F1 M2 x4 |/ l - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
6 N4 J' l, d5 m. Z! X - LDA nEnemyIndex
9 ?# x7 K0 P+ E! Q$ K3 e! I - CMP Enemy_Index_End
+ V n4 E2 f, z) z7 K7 P. n7 n - BEQ Bullet_Track_Check_Continue
9 ?# a4 B$ W; V3 B- F( D - BCC Bullet_Track_Check_Continue( d* ~6 h5 I$ I9 I! b) ^3 B4 S: r
- LDA Enemy_Index_Begin
# ?; u o" V! Q. X/ ~2 ?8 L. Y - STA nEnemyIndex
4 d* R& A* o6 o* K* @ -
# p0 g( M ]2 |$ s* B' p1 Z - Bullet_Track_Check_Continue:
5 R: W% e: W6 t% \/ @8 _ - LDX Loop_Index_I- B& c6 ~6 g7 ?9 c8 r0 R" g
- Bullet_Track_Check_End:
. i! @ u, D0 `$ |9 B. u. C - INX
2 d3 H, z" ^7 ?2 u r - CPX #$10$ Q. i, V7 y) n& Y
- BCC Bullet_Track_Check) K q6 r2 c% |! D% [9 y
- Bullet_Track_End:
( B: q3 D$ ]3 t+ L+ f - RTS6 b7 O Z Q9 O# F: M# S
- , o' C; @! F( k% p
- ;给敌人分配子弹
; s: W2 u7 c/ X/ @ - Bullet_Track_Enemy:, t; r7 j: P9 d& w- c, K0 F
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)5 x/ H8 F/ `! H' [3 M
- Bullet_Track_Enemy_Check:
6 |4 A# c$ Y: \) V8 J. I8 O& B - STX Loop_Index_J# R& ~) C5 c+ E6 V" g3 x
-
; ~+ f4 \( X @ n2 ]' o( I - ;if (0 != nEnemy[j] && -1 == nTrack[i])4 v3 E+ e2 n, e x* |3 r
- LDA Enemy_State,X
' \% G, @* q7 m* V& \) g: Z - BEQ Bullet_Track_Enemy_Check_Continue
9 J: q- n' z& Y d6 w - LDA Enemy_Blood,X
7 l7 ]2 Y- E: U' W( Y' N3 r - BMI Bullet_Track_Enemy_Check_Continue
1 C6 D5 {# u8 ^. w - / R) f. B! j, h! c8 t& \0 z* J
- LDX Loop_Index_I. y4 G; O0 W G7 Y* a1 j
- LDA Track_Enemy_Index,X
8 E6 y) K+ h! J; _+ e - CMP #$FF& y7 R* z' a7 Q+ @2 a9 A
- BEQ Bullet_Track_Enemy_Init" {: P, h; [* M
- : ^5 n' Q ?8 |( ]' g+ G( E
- Bullet_Track_Enemy_Init:8 X$ K d! Q2 d) f# M
- LDA Loop_Index_J
/ L* F5 I' U* n - STA Track_Enemy_Index,X ;nTrack[i] = j;2 [ i4 |% F) v
-
, P, T7 z( ?3 N3 _/ n" B% y8 z8 N - STA nEnemyIndex4 e% V7 ]; [% T* T9 Q: S( ?! b
- INC nEnemyIndex ;nEnemyIndex = j + 1;
2 {& C/ _( o+ M) j2 K - RTS ;break;
8 c: e2 m3 I- @4 m8 @" m
0 z4 P1 _9 Q5 ]: M S0 a, q- Bullet_Track_Enemy_Check_Continue:
( A) Z. i: ] E0 t( J I( o - LDX Loop_Index_J( p3 Z' ] G& o# y9 ?
- INX ;j++
! T7 m3 O; r1 p& c* [2 Y7 k) u* t - CPX Enemy_Index_End6 z) S6 E1 @! e, E& c
- BEQ Bullet_Track_Enemy_Check
/ {. v7 V5 O: ]8 W; k7 j( Q - BCC Bullet_Track_Enemy_Check$ `; x& I0 l4 D* v. }
- Bullet_Track_Enemy_End:8 M6 A5 w+ X# w5 @! T, T
- RTS- S% {# ^! e* R0 u7 T
- 6 b! d8 F6 U4 P5 Y0 D
- Track_Enemy:1 x* s! Y$ f0 ^/ x& @
- LDX #$0F7 ] @) P _( D
- Track_Enemy_Begin:
4 g; \: p9 @& C9 V& G - LDA Bullet_Icon,X
, ~/ W! C1 @' h/ [; F, h& h2 B! z - BEQ Track_Enemy_Continue
6 g) ~; {$ h! e, l1 O) A - LDA Bullet_State,X
1 c6 u8 W! a, P" K1 L- g { - CMP #$019 f4 o, T5 c1 r7 j
- BNE Track_Enemy_Continue" X+ f7 r+ |2 c% |* Q
-
* o) G4 K9 ~1 R- k/ Q - JSR Track_Enemy_Process% a! w: d- e! [- a% ?8 B
-
6 W1 q( S" Q. r - Track_Enemy_Continue:
6 P; K" X1 ~# Z! s - DEX7 R* W* t4 S$ n
- BPL Track_Enemy_Begin+ G5 _4 `3 v9 B. w
- RTS
% s7 q1 R1 N% z - 7 T' v& `( R: ~2 h
- ;普通关卡
; q9 K' s- i5 l) W- J# m4 T9 c. U - Track_Enemy_Process:
+ I1 i: A6 w8 M; P' L7 W' u - LDA Track_Enemy_Index,X
1 v; J( e2 |2 q - CMP Enemy_Index
$ b7 v( A3 v( r6 I @ E - BNE Track_Enemy_End
; F4 o) Q" a4 `. d, b+ h - LDY Enemy_Index
O$ m# }6 y# `& R3 A( H - JSR Track_Enemy_Y
! q* p$ G1 Z; J+ V3 G - LDY Enemy_Index
5 d3 s) X: q K& |- H4 S - JSR Track_Enemy_X+ a8 R9 g+ v x3 @3 _
- Track_Enemy_End:/ u% u8 S9 Z8 N7 ~8 v C. j5 O- Z
- RTS& S% {/ \5 h5 D: M+ y' \
- $ ?$ J5 ~- o% V: |- v3 z- m' z
- Track_Enemy_Y:
5 G" ~# b2 o+ B0 N) ]3 ^9 F - SEC9 T7 k5 c$ S D) Q: o( f% @
- LDA Bullet_Y_Pos,X
/ b$ J, M9 z0 J# N( K( S- w. c! K - SBC Enemy_Y_Pos,Y6 c* H B) W' [+ b$ M5 R' w
- BEQ Track_Enemy_Y_Equal
: M9 f9 B# p5 J/ i. [ - BCS Track_Enemy_Y_Greater
0 n* Q7 c$ ?- ?5 I) w) Z - 9 R d) a+ U0 _. @6 O1 H
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
4 c- p& {" e2 c9 w - CMP #$FC
7 ~4 U& _! c' o - BCC L1_1
5 \. B- W" w0 O4 j. @( J9 h% H - CMP #$FE
/ D* w3 Z2 a0 a8 U - BCC L1_2
3 U- `$ I( S" e. d g5 Q - LDA #$00" ^8 A6 s; K% B% d& E) w4 R5 N, w
- STA Bullet_Y_Speed,X& h& p6 ]2 M6 Q# X5 u* I
- RTS
* p @9 K9 l) x! {) k0 | - L1_1: \: W0 i% I) Y. j# m
- LDA Bullet_Type,X6 }5 `8 T% N" C
- AND #$0F
0 k: j' l" ^1 `$ f - TAY5 n0 X* q& \9 ~9 S$ z! h
- LDA Bullet_Speed_Data,Y
5 _* Q( Q( l3 d' z, O - STA Bullet_Y_Speed,X1 w4 h% y0 F/ W& t2 S/ J& V
- RTS
1 y/ X7 w( X! l/ g - # }; A5 O$ Y- C' w; U( |
- L1_2: 3 d" w' e: H8 l0 E. B: ]
- STA Data_buffer' |; H% ?$ z) g5 T) W W" ~
- LDA #$000 g4 u& p' t' P4 v( S# b- m
- STA Data_buffer
. }% r J; _8 Z1 N - LSR% m2 Q' A5 n) D. f c/ b* M! f4 O
- STA Bullet_Y_Speed,X
8 E1 \$ s" O" @! p7 j8 A - RTS7 W* y6 I- V8 I3 h1 P$ {4 D
- 5 o, F# L( q& W
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y$ W7 H0 z- g5 z: y
- CMP #$04 \* V7 H; N6 C" |+ Y i) ?6 M
- BCS L2_1
1 h7 B/ Q, y/ W/ A# _3 k4 q - CMP #$04
/ i, v' b5 y6 o9 m* ^+ U+ x - BCS L2_2
" b% S5 h+ G, K, t2 \7 D5 S3 L - LDA #$00( S/ k1 b J- ^9 B# X9 a4 e
- STA Bullet_Y_Speed,X
8 A1 B9 n4 @" t% X3 k, r! v - RTS+ W( t' n( J4 m9 Y
-
! L! ^0 y& }5 Z" b - L2_1:
; W$ |& a- E8 r% w2 \ - LDA Bullet_Type,X
3 O1 j8 T: h) z6 g* [/ F' _ A - AND #$0F1 u S5 R: C* `" M) _- s7 T
- TAY
7 \: a2 ?9 p2 p - LDA #$00' x8 K8 B: w$ M7 x* X
- SBC Bullet_Speed_Data,Y
( j6 }8 t' S+ R, I, K( s/ j5 B - STA Bullet_Y_Speed,X
% w' u/ t, K7 W) g( j - RTS: B) ^& l* |% |# X8 V3 O! e+ ~6 ~$ e
- $ r( O0 @) j& E, u
- L2_2:
& @$ s; F& Q4 _' Y5 C - LSR
# L7 E: e% g7 G8 H - STA Data_buffer
4 l1 j' m3 C6 s - LDA #$00
/ }6 O, w: A( v+ g - SBC Data_buffer, r$ T& M$ Z. C& |& b+ W
- STA Bullet_Y_Speed,X3 M2 @5 v1 l$ t9 G8 K3 X3 s
- RTS
1 G3 G4 {! q4 D( P6 S; ? -
: H6 J( Y. q# e4 s& B, d - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y' ]0 d; J9 W7 g, M
- LDA #$008 M# G& N$ t- h; l9 {/ @" D
- STA Bullet_Y_Speed,X
# w m* W1 P T7 J% r4 X - RTS
* b7 V) m! H$ M8 w5 s: v4 ^; P -
7 U9 z4 {7 o% r: P - Track_Enemy_X:/ W/ c+ E* U2 o+ ^7 \
- SEC
& f" L# ]3 Q! t: ] - LDA Bullet_X_Pos,X
1 Y) q( I% ^+ l3 j+ b1 K - SBC Enemy_X_Pos,Y8 v9 u. T! l2 e8 }5 t
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X/ e( `) x9 ]8 k. l6 t: ]8 `
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
( g) J; Q1 k% B - ; d) U$ n. i. s
- Track_Enemy_X_Less: ;子弹X < 敌人X
% W7 K# r a9 Z5 |/ u# t - CMP #$FC
' c1 m ^# Y" M5 g) l8 }: `% m+ ~ - BCC L3_1
0 f6 \; o- @7 @: I4 m - CMP #$FE
2 D! [3 u% p1 J1 S$ c2 K+ a6 R- f - BCC L3_2# _" o0 |% t1 L9 \) l
- LDA #$00; H+ {$ y& h5 N q7 n3 w
- STA Bullet_X_Speed,X
% b0 R+ e& v1 g1 R5 a. ~2 k - RTS
' T3 [$ y! A5 v/ T - L3_1:
) ~! ]/ w/ t! C" V/ t* R+ A7 H" ? - LDA Bullet_Type,X$ C3 L1 l& g8 ~3 R4 y! s
- AND #$0F# Z1 e. M' G8 }4 {5 V
- TAY
' Y( H2 R: M" i% V% R - LDA Bullet_Speed_Data,Y, T8 d" J& w) }% ~. P5 F
- STA Bullet_X_Speed,X
) n4 ]/ ?: ?! z* R3 R& H - RTS
/ u5 n) p2 h7 Z) m" {- O' y2 n8 n0 U - L3_2:
9 s( F, O; S! [8 Y - STA Data_buffer ]; E8 m" ?% G. a, P+ N
- LDA #$00+ C( s$ z ]9 u! N5 v" l
- STA Data_buffer# y. Q4 o. _# A& f0 _$ M4 S
- LSR
9 {# T; s3 Y0 b+ F6 A+ h8 p - STA Bullet_X_Speed,X' E' D, \ X) O5 ?
- RTS
' V* B- n6 h# u' U1 m9 D - 1 h9 o+ t! `5 V! b
- Track_Enemy_X_Greater: ;子弹X > 敌人X
9 ?. y& |5 K* H - CMP #$04, r; u) I2 n) X8 {) F+ P# k+ H3 W
- BCS L4_1
- }4 B3 A p! j% d+ K2 ~ - CMP #$02
4 T& o" f* b* t - BCS L4_21 c7 [ e1 H1 `: X( G& i5 B4 h& D
- LDA #$00
( {3 h8 T; a5 I5 W$ A. n - STA Bullet_X_Speed,X
( `- w$ p- L6 e5 }# n - RTS2 [. t- q. b) }* W+ I+ w
- : p2 [& H( i/ E% [/ h ]
- L4_1: 7 c3 J4 @! O7 ?
- LDA Bullet_Type,X
; d' g* X0 b1 u5 G" Q( v - AND #$0F
9 W/ c# h9 S' d: U+ z( w - TAY
8 N: j! D$ u: ~$ p7 N" D6 l# x - LDA #$00
4 S; A6 @1 ~9 v: v - SBC Bullet_Speed_Data,Y
0 C+ x0 b, t$ v! L3 ^ - STA Bullet_X_Speed,X. Y9 N- \' A& [* z& ^
- RTS* e- N6 O2 \8 `& a% v7 v
- L4_2:
+ A- G% |& d6 z - LSR
( y2 c' ^: H! ~. B* O - STA Data_buffer/ j. @- J4 g1 g1 V# x6 \4 V- ^
- LDA #$006 O! F$ X8 K& }8 A/ J) W, V" A" B
- SBC Data_buffer/ |$ C- y8 ^- ?% d" n' [3 F
- STA Bullet_X_Speed,X5 ^4 U9 `% W3 K
- RTS- k6 `' ^# w5 j, P9 O% A1 V
-
. a% L% a$ e8 }) p! e0 u+ W - Track_Enemy_X_Equal: ;子弹X == 敌人X
# }+ S# H% y. ~8 W+ q - LDA #$00
) R3 H* r0 B$ [5 r# o* t* } - STA Bullet_X_Speed,X$ V& Z5 L- j3 s) T$ \( c$ |
- RTS
6 V& Y# i/ H% N" B8 k+ |6 Y -
5 f+ I' ? j6 ~% T; g2 b - Bullet_Speed_Data:
/ L8 z3 C- k ]5 F, P$ P - .DB $00,$03,$03,$02,$03,$03
: R: L' u* ]( b! ?- } -
$ c* O" S9 j, g" v+ J2 O$ K" N/ X' L% l - ;2, 4关& k0 L, n5 z; W8 Q3 e/ u& ~5 ^# X
- Track_Enemy_Ex:
1 M* w8 J& r+ y% V: P* N- x) Y- q: L - LDX #$0F
9 H0 [' `) k: M I9 {: r# X" d - Track_Enemy_Ex_Begin:
1 s! T0 ^9 l3 E: `
: |' Q8 D7 [4 B. w$ R" z H- LDA Bullet_State,X
; c, Q6 h: g. K/ G$ ?$ `/ Y$ y - CMP #$019 k; b1 j$ l, O A2 G, v2 z
- BNE Track_Enemy_Ex_Continue2 C+ C, }8 w/ G3 K8 G! M
- 9 h0 b2 p* A' m, L! }8 l j7 W3 H
- LDA Track_Enemy_Index,X
. I$ M# o4 w. d7 t- R - CMP Enemy_Index
( p: `; K" ?' W, N - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
. R/ ^2 F1 g/ i% \ -
+ z& s& L8 [9 L% m8 n - LDY Enemy_Index
0 D3 j5 |/ v% q/ s& R - JSR Track_Enemy_Ex_X: M& M* P$ W. n& o+ F/ h
-
% @. n( r4 ~" a) T4 k( g2 p - Track_Enemy_Ex_Continue:
+ q/ @9 {' r3 o" n8 t) T" | - DEX: R$ j/ q/ Z7 w6 c( K# ~* r1 g" ~
- BPL Track_Enemy_Ex_Begin
) l m# _* N) H9 j - Track_Enemy_Ex_End:4 e+ T3 B* Z) k8 T+ a
- RTS
! H* s: e' j) e/ V' R! L - ! C; P2 N8 D& Y
- Track_Enemy_Ex_X:) R5 }$ i9 \/ a' Y2 V& I
- ;LDA Bullet_Z_Pos,X
' J, n# S# \1 d6 O. S* J5 X6 R - ;CMP #$04+ R; [& n% o* f6 b4 Q% ~
- ;BCC Track_Enemy_Ex_X_End6 K% q; u9 b# @1 D6 S8 o7 P
- SEC
- D, w/ d% f4 J% ~ - LDA Bullet_X_Pos,X2 \ g1 x. L& e9 q- l J5 s
- SBC Enemy_X_Pos,Y
8 f3 \0 x3 p3 H+ v6 g1 w+ k" j - BCS Track_Enemy_Ex_X_Greater
$ n# x7 {# L! Z -
( N- P: c" q: ` ? Q% O - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
. h2 O. }- S) g - CMP #$FD
1 f5 W; D8 {6 O - BCS Track_Enemy_Ex_X_Less_End( l5 a: D4 _ C1 Z- F4 O' D' y0 U
- LDA $6020,X
{- u+ ?# Y# p$ i0 }4 } - CMP #$2A
0 }2 J0 ^" ~) e" C6 P; Y - BEQ Track_Enemy_Ex_X_Less_L17 K/ `$ w; f0 v, V/ b8 R6 F
- LDA Bullet_Z_Pos,X D4 l, {2 o3 K* ]8 A- c( N* F
- LSR
; a6 ~0 w* i( v# U; ?2 h7 V, F - TAY
% L: T( v5 F$ }* S" L2 O - LDA Bullet_Speed_Data_Ex_R,Y! T0 e+ L& e- m
- STA Bullet_X_Speed,X; z' Y3 P2 b. Y% b
- RTS8 G, S: I& T! P4 D- Z4 t- u
- Track_Enemy_Ex_X_Less_L1:
5 Z1 J) q) Q! i( u: d0 j8 X- |
. o0 h, L8 C! d4 g& V% p- LDA Bullet_Z_Pos,X2 g2 ^2 H3 Z. r4 C, ]
- LSR
* ~) i0 F9 q8 X - LSR( W a) Q/ c+ R# M/ ~
- TAY/ h+ L1 e& C# ]3 v" ]& z3 f9 O
- LDA Bullet_Speed_Data_Ex,Y
% W5 ?4 T! a% n( t# n/ b7 \$ m7 t) \ - STA Bullet_X_Speed,X
- G+ ]" c( m; M4 I2 _! L* F - RTS
% k( }; s+ j# ?$ X2 l- ~- C -
, X( |+ R3 Q: L4 m - Track_Enemy_Ex_X_Less_End:
3 F2 L* _3 p" g, ^. c7 f( N' c - RTS: o" n- Z/ U+ h0 H
- * o Z- K" h' R. t8 D1 @
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
7 K- t# I( ~6 o - CMP #$03
( s7 v* ]/ T% @( Q2 a3 u- P0 @3 g - BCC Track_Enemy_Ex_X_End' d6 D5 b: _! W8 Y2 h+ B
- LDA $6020,X
1 Z: m: D# W/ l$ V$ j/ g+ L - CMP #$2A
+ Y4 z" O/ W5 M+ E: c - BEQ Track_Enemy_Ex_X_Greater_L1& X% v9 X" f( i3 a* x
- LDA Bullet_Z_Pos,X
' @, D9 m; z3 L+ D# H - LSR
4 O3 l! v" o$ f, g+ g$ D - TAY7 u; h) Z, D; @# d% V" D7 G2 T
- LDA #$00# D0 t" w! N: N$ N3 C5 s. F7 \
- SEC( p3 W+ D1 a B2 l, Q6 k' J
- SBC Bullet_Speed_Data_Ex_R,Y2 I2 i- \9 X' W3 I! l
- STA Bullet_X_Speed,X
1 Z4 N$ X3 p+ O1 t8 b - RTS
7 N# s N$ Y& I. C' t) F1 [& v -
% r- _ w$ ]" G m - Track_Enemy_Ex_X_Greater_L1
4 T1 c( v2 y; H" {3 z# Q - LDA Bullet_Z_Pos,X
- p$ @4 a/ r' [) v! g! b! X) ~7 B" n - LSR
, h4 t5 A, @6 Y: v* X0 O - LSR4 d0 v2 L- m, K) {; a' l
- TAY4 z0 m3 T' z: D2 O" V+ [$ ^
- LDA #$00
- i& B$ l4 t g M/ R1 } - SEC- J/ T7 X1 h0 q* d3 c4 ]
- SBC Bullet_Speed_Data_Ex,Y8 `; [" D9 W0 f" s
- STA Bullet_X_Speed,X
/ I& E; K% o J0 x+ C. N, s - RTS
; \% W3 }/ B x1 o - ' j$ K% Q4 s+ ]( V% }9 d
- Track_Enemy_Ex_X_End:
: Y, \/ q; P3 U) w/ ~( [4 O - RTS# h3 [; Y! u6 x
-
4 V% H3 C0 {. i3 Y& N+ B: b - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)$ Z4 b6 _1 d0 P' R+ @, b
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
( m: i' W( b3 v5 `' u. ]; x - Bullet_Tract_Direction:
( s) j! u. ]# N9 |) N: [; L - LDA Bullet_Icon,X9 k( V' \# F; }3 s8 ` l" t
- CMP #$23- s5 v4 u) o; S! [
- BCC Bullet_Tract_Direction_End
2 I) }8 r: }! E -
8 W8 O! K2 R3 q2 z* t - ; X != 0
) D$ T# Q# v- o. w) C, h$ X; ^ - LDA Bullet_X_Speed,X0 N, J5 Y/ l6 i& K
- BEQ Bullet_Direction_V6 C; t& _4 P" [
-
8 H8 I r! V7 h# D6 C( S - LDA Bullet_Y_Speed,X
/ _& ]" z) x" n& V- _# T - BEQ Bullet_Direction_H2 b2 ^$ x& I2 _6 J7 ]
- ( W2 g. m u; x; a2 G' _
- LDA Bullet_X_Speed,X) y! }2 `3 ]( K: ~- d9 O( `! K4 L$ I
- BPL Bullet_Tract_Direction_Right
9 H5 B# m, m; B - Bullet_Tract_Direction_Left:: F0 S! r$ A4 }$ c& @% O7 ]
- LDA Bullet_Y_Speed,X
) O3 ^$ r' ^6 n; A - BMI Bullet_Direction_Left_Top& D' ^3 M, g: e; T6 }
- BPL Bullet_Direction_Left_Down
8 f* w* F! u% ~! }" m$ M3 h - Bullet_Tract_Direction_Right:
8 P& E* g4 Q) I$ h' Y7 A - LDA Bullet_Y_Speed,X
4 x9 I9 d* v$ ]6 K3 ^7 ~ - BMI Bullet_Direction_Right_Top
: }- F0 D" s+ G& y - BPL Bullet_Direction_Right_Down! M3 |9 }. J; D# \4 X- K
- Bullet_Tract_Direction_End:& E5 o T8 e1 c% ^" ^, b; L7 B5 k
- RTS
- c6 r" ^% L' P! I* F, z9 i
5 \8 }. `; {5 ?- Y- Bullet_Direction_Left_Top:5 ]$ o) P- u+ i* m
- LDA #$250 F( P( F$ l. K! j2 {
- STA Bullet_Icon,X" k* H3 e+ F5 L- W2 H. }
- LDA #$C0/ E% A0 g2 B- b( R
- STA Bullet_Direction,X+ t' c! C! Y! U/ h, s" X% U$ I/ [
- RTS( X* j& l+ S2 E4 m. f' p& ?, c
: i& z7 k/ z/ W# e: x) @: Q- Bullet_Direction_Left_Down:
: T/ E }) i: K7 p8 X2 w. \ - LDA #$25
4 G: q0 W7 _3 [% S& {- K$ x - STA Bullet_Icon,X
9 Y2 D% V! i% { F8 f - LDA #$40( p: ?3 P, }; P5 f f) {2 Q
- STA Bullet_Direction,X
. q( ]3 f3 O. |+ w& l' \9 C - RTS* E `/ U5 w+ H6 @, _ _! U- d
/ q+ V' b2 E" D7 n( a- Bullet_Direction_Right_Top:
% I: t& M& \1 a - LDA #$25
v; [( G7 X5 L0 k7 p - STA Bullet_Icon,X6 y9 m3 b' W& X% a, s, G
- LDA #$80
' i8 l# S7 J) `* F - STA Bullet_Direction,X- n8 A* s7 t A' w2 }. C
- RTS
* X# S& m. ^! ^: Y - $ o5 T& d y+ E0 _, ~
- Bullet_Direction_Right_Down:
9 b/ K# l1 i* _4 r - LDA #$25
2 e) Z* u7 f2 g: H5 g5 D3 C2 \ - STA Bullet_Icon,X
5 G# H8 V5 C. p1 d - LDA #$00+ g- I7 l6 K0 q, C! Z. }+ o* D
- STA Bullet_Direction,X
! q% ?6 s; |8 b - RTS6 z. X+ X" z M4 W* v7 I. L" V
) L0 h4 ^- q7 t {& R! l3 ^- Bullet_Direction_H:0 k2 p! Z! q; c/ W, a1 I" Y, E0 p7 Z7 @$ M
- LDA #$24& a7 {% P7 ]8 i
- STA Bullet_Icon,X
, j; Y/ }, \% v4 g# y - LDA #$00
2 ^) r/ ^9 }& V, Y% { - STA Bullet_Direction,X9 }5 h5 \, v& q k& l
- RTS
+ t6 g; N$ ], Q( X5 C$ g - 6 B2 X% X* ?% B3 z- f* X" H
- Bullet_Direction_V:2 }- O4 S/ c6 u. _1 I- @* R
- LDA #$23
5 `3 p* w* U2 N% T: n+ C/ f% O. ]& C - STA Bullet_Icon,X1 v& A" M* L& |2 ^) O$ y4 I/ @
- LDA #$00
8 W5 P3 T1 e9 ]2 T1 Y+ N2 o - STA Bullet_Direction,X
- u9 k* _1 U" r4 q1 [ L+ j9 E# @$ Y - RTS
8 b$ v8 z5 g" U. u - , S7 O8 Z3 [/ j; r6 |
- Bullet_Speed_Data_Ex:
8 v2 Z. ?* F' x$ i - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
# a7 a- I' g) y" Q+ r* L- l3 M -
0 p4 @) v1 _: h- U: l, c9 B - Bullet_Speed_Data_Ex_R:
+ {7 l% n' _8 d" O) r$ S7 m0 { - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$080 }. s) I2 y1 s& j
-
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