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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
1 G, w, O6 E; C L9 ^作者:FlameCyclone
6 X% s5 p7 J2 w$ O内容:9 J% ] f7 T( ~* F
1. 所有子弹追踪敌人
9 O4 T y% p9 J2 t 2. 选择键切换武器. H: P& m; u5 `: A$ Y9 E
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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% Z& A% G( w% i2 C- I. m+ z( C' W" Gflamecyclone.ys168.com6 `1 w( N/ @ [# m. T1 x

9 X. U# Y2 @9 R- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
2 n% ^+ J, ~ y, G- E2 s- u/ i - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
3 E) }; j! F2 @) }, {% w' v+ u* ] - 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)" w4 \7 f4 N/ e/ h9 O0 m
) c' ]5 h# ~5 G; \0 N* ?- ;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)
8 k) H9 `4 ]" k) ~4 Y- v2 o - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上3 G2 g% e- `6 S% d
1 E% k5 _% T" R% P' F- Track_Enemy_Index = $6000
' q* I" t0 c; b) G- h$ T - Enemy_Index_Begin = $6010
1 h7 T& j% K" W. I: W) F" Z7 W - Enemy_Index_End = $6011
' \% L& R7 F0 f T/ D2 k
; E7 B' I% [; s8 Q- Loop_Index_I = $60126 s o7 C- B, Z8 N
- Loop_Index_J = $6013
" ], P$ y# d* `$ H7 w+ h3 ?: v3 V - nEnemyIndex = $6014
) q* m4 U- i1 X1 P - Data_buffer = $6015+ ?' I1 Y* F1 I! z8 m
- 5 B6 _7 r6 G7 ]; D) |5 C. s) N0 r
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
: o2 G5 _3 G# A. _4 S0 ? - Bullet_X_Pos = $03C8 ;子弹水平坐标
, j4 q; P1 k! S& \ - Bullet_Y_Speed = $03F8 ;子弹垂直速度
0 X2 P+ t6 D( m) X9 m - Bullet_X_Speed = $0408 ;子弹水平速度' v: V# v+ e- |$ `* m. ]/ V
- Bullet_Z_Pos = $0418 ;子弹Z坐标
4 n. v9 S& b2 T3 a) W: w - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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- 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' `9 O/ x) z8 h* U" |2 \
- Enemy_Blood = $0598 ;敌人血量
- a- i7 y* K' l6 C$ v - Enemy_Type_Addr = $0528 ;敌人类型* h, @& k3 ~" N2 ?; S9 \
- Enemy_Blood_Addr = $0578 ;敌人血量
6 F- ?! {+ ~4 H+ m' B - Enemy_Y_Pos = $0324 ;敌人垂直坐标* q$ W, J) f1 D1 O
- Enemy_X_Pos = $033E ;敌人水平坐标3 q& Z7 e5 f0 F- O/ `6 W* ?2 M
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
9 f1 v% F7 i& } - 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 r. Y& A7 \2 u! a; X% z
- }/ u; ?0 T; h% b0 j2 I' f' S/ @- Enemy_Index = $83 ;8 i! U H ^* ~: s( D5 y
- Time_Count = $1A' H; T' K0 r. R+ a
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率 x' `+ A3 \0 X, d/ z8 G7 N# x
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率) G0 \5 O8 f/ ?) _
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# V5 B- n. ]5 o/ A$ J- .ORG $6100
! d! ^- k& k7 q4 M; g6 [4 S - Process_Begin:+ t' m- {5 S& v1 E, L4 K
- JSR Enemy_Check" K: p. e2 ]7 P2 v
- JSR Track_Enemy_Check: X0 [) l; @% B6 O( L0 ?
- Process_End:0 A* N6 B* p4 b& M6 S$ Q# ^! e& _3 n
- JMP $E54F
c# G/ Z- [& |6 o+ { - 6 i3 A4 \; Q, N& D1 V- K
- Enemy_Check:' s' y5 q& b' O$ A C0 t2 s
- LDA Time_Count
" o9 D- t1 u. G: w* K S3 l" a - AND #Track_Bullet_Speed2 ?, q. b7 c4 {3 c# _" t
- CMP #Track_Bullet_Speed
! d1 t. P" t! \ L& I& [4 x - BNE Enemy_Check_End
( ?( F, D- k. M% N - LDX #$0F
8 k; _' J) c: \: ~% B - Enemy_Check_Begin:
9 N: _# b0 `8 G# J+ c- k# V% N - LDA Enemy_State,X
, A7 h4 o/ `: \ - BEQ Enemy_Check_Continue
( K7 Q+ v- s& y) d& P4 _% U - STX Enemy_Index
# e4 Z. q- U+ T! Y% ^ - JSR Find_Begin_Enemy' d6 j0 \. u( X
- JSR Find_End_Enemy# }1 j! l7 X* [, f- ]6 M5 f
- JSR Bullet_Track
# [7 R; r+ k' ` -
3 v3 o. f$ @. X5 u; B - LDX Enemy_Index$ U: k3 b* B0 R0 @. T) I3 ~
- Enemy_Check_Continue:+ e2 K s ?3 c
- DEX8 Q# J( @& @( `8 l7 `6 P
- BPL Enemy_Check_Begin
; @" d" e" }0 t) ^6 p% p - Enemy_Check_End:
" ]4 p1 ~% K+ H+ i2 B+ l+ X - RTS C# K3 p' u0 g; w z
- & C" H6 Q1 n+ N% u' Y
- Track_Enemy_Check:3 e2 x; L/ I; E
- LDA Time_Count
, _; J9 G/ \* Z5 P6 C# p - AND #Track_Enemy_Speed
7 O* D' z+ d3 G+ q. `( W {# ~% q - CMP #Track_Enemy_Speed
1 V& O' N! ^1 R6 }2 y - BNE Track_Enemy_Check_End& V. T2 I- p/ s9 T
- LDX #$0F
; f- Q( [# q9 b, [& P - Track_Enemy_Check_Begin:
) {0 s0 I+ J1 P9 g- v - LDA Enemy_State,X( Y3 G! d+ v7 ^
- BEQ Track_Enemy_Check_Continue: ?6 D1 J0 C4 U+ z
- STX Enemy_Index
0 l. h- N3 S" K - & t9 q0 T$ v; I! o
- LDA $40
/ J# I/ ]6 W9 G" @. ] - LSR
8 d: B+ ?8 j% M, ~' z# A( ] - BCC Track_Enemy_Check_Begin_L1; \! [5 W& J) a6 x6 M4 p. ?( b
- " q% c9 m, ]4 s
- JSR Track_Enemy_Ex ;2, 4 t! v! N) h( _8 q
- LDA #$00
$ G: g0 B! s' j9 w/ M - BEQ Track_Enemy_Check_Begin_L22 _9 x7 E ?& _0 v) u
- 3 f$ t$ U, X. T
- Track_Enemy_Check_Begin_L1:$ F) m/ @& P! N' r1 S
- " o' I, w5 `# ]6 W( \! \3 O5 X, y& a
- JSR Track_Enemy
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- Track_Enemy_Check_Begin_L2:, g7 e: H, R' q8 X
- $ s. k5 e! X& r2 j# ]% k
- LDX Enemy_Index. {% w9 ^' g' g( H
- Track_Enemy_Check_Continue:7 n# `5 L) Y2 ]7 v
- DEX! }& l6 r( q. Q8 p9 z
- BPL Track_Enemy_Check_Begin3 B# i. Q) W0 h, F3 o$ C1 F8 U. d8 G
- Track_Enemy_Check_End:
% X, |4 Z6 E3 L) Q - RTS4 v) I. i4 S8 B$ m4 e! V0 H: S0 c
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2 T! ^2 K1 \& _, i o6 `- ;查找第一个敌人
/ G+ Q0 H3 K ? - Find_Begin_Enemy:
p) I5 Z/ o! r4 J* b7 k; X/ S, \; V - LDX #$00( w- V3 g$ ]0 ]4 m
- Find_Begin_Enemy_Check:: R/ v) |% O9 k! S" |! e
- LDA Enemy_State,X
# s! C7 N$ f0 F4 S' P' f% y/ R - BEQ Find_Begin_Enemy_Check_Continue3 a, Z( M) x8 ~3 K% m" @) y
- LDA Enemy_Blood,X
/ X- p6 f0 o7 e - BMI Find_Begin_Enemy_Check_Continue
1 l( b n+ Z8 I+ g# H# `) Q - BNE Find_Begin_Enemy_End
) ?8 B3 H& }2 _4 Z; ?- c* s - ' {. T" i. j8 A0 N1 t# S8 y6 n6 h
- Find_Begin_Enemy_Check_Continue:
! g' k2 s1 P$ E - INX9 S5 k: r9 u2 o9 l& t/ |" y
- CPX #$10/ F# p8 w. e7 O1 h2 x
- BCC Find_Begin_Enemy_Check
. @6 @# M4 {* z5 k. E) N4 K( t - Find_Begin_Enemy_End:
/ k% ^: y' i0 w0 X" i ]* I: O2 \ - STX Enemy_Index_Begin
' Y+ X# e( y) J/ @/ ^& T7 Z: O - RTS$ {! Z! q5 n2 b0 {7 k% E2 P! `! R; S. u
- 5 j8 N7 r8 {7 r" h7 w: p7 D
- ;查找最后一个敌人
+ J, E& ~' G+ E ]0 w! M - Find_End_Enemy:
9 y7 T4 x' h) y1 Z" | - LDX #$0F" e9 ^: ^4 C# u I
- Find_End_Enemy_Check:: n- M" q' e( z7 [# z
- LDA Enemy_State,X& X# `0 R8 a, Z+ d; b* m$ K
- BEQ Find_End_Enemy_Check_Continue7 F# p% B' y& ~/ o
- LDA Enemy_Blood,X5 {% j+ l+ v9 k+ n
- BMI Find_End_Enemy_Check_Continue
_3 M& L: B6 l+ x$ B' c9 H - BNE Find_End_Enemy_End
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- Find_End_Enemy_Check_Continue:' d, `- K9 T3 V% Q; }/ U# l7 k
- DEX
1 r5 F/ J! \ ^! N# D7 T. L3 ~ - BPL Find_End_Enemy_Check( C$ ~1 w w( N3 S$ T. B B' w
- Find_End_Enemy_End:
; f1 s& p6 X9 \1 J( s - STX Enemy_Index_End+ V9 ]% i) q% u0 V5 W
- RTS3 z1 s" ^8 a3 Y% Y* B" q
- & x! g6 s- W# w
- ;子弹追踪3 k* w0 @) \( C l
- Bullet_Track:
7 H2 A B, I; c0 h% ] - LDA Enemy_Index_Begin' q% B6 I1 k; N% f+ J `
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
4 N6 ~8 ~) M/ j6 m Z - LDX #$00
/ T" S9 O8 k3 S% { - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)( Y* g* h5 M5 i" o! W$ G
- LDA Bullet_State,X
$ N* l6 @, H6 `3 P3 j - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;2 y# x: V6 a* R# A& O. M% C
- STX Loop_Index_I( E0 ~7 k# T0 y$ M0 A; `% v0 a
-
+ @; N' I% Z) f7 y - JSR Bullet_Track_Enemy( X3 ^9 N8 q) l+ F8 n, w, p
- JSR Bullet_Tract_Direction
* J) |* t) s9 }, l - L6 B$ Z0 f/ f; L( N
- ;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! i+ u; c* D' Q/ p) D$ H
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
* I2 ^' K0 S# ?/ t- C- m - LDA nEnemyIndex
) j* S( Y6 F3 R- ~; `, j9 { - CMP Enemy_Index_End
\: N9 |% D5 s6 j* D - BEQ Bullet_Track_Check_Continue) \0 ?( E% d, C& @$ C; v
- BCC Bullet_Track_Check_Continue
" Z$ x& w s8 ]" a - LDA Enemy_Index_Begin
" S: d% ^- T2 G) ]2 Q' u2 H' n - STA nEnemyIndex9 L' f! K$ [. I4 ?3 b
- E4 m2 C5 D: W% Y5 n3 h" q
- Bullet_Track_Check_Continue:
) x7 e& x! N& | - LDX Loop_Index_I8 S9 J- M* V" }2 K* U: a' j5 {& Z& C
- Bullet_Track_Check_End:
9 {4 {' U1 ]2 W, y$ B: |3 P - INX
; t& B! p1 w; ~8 E) i: A - CPX #$10
6 H5 X( b) a. h, m/ F2 d/ b X - BCC Bullet_Track_Check
- w( r% C3 h( b& Y7 B - Bullet_Track_End:
. h( B, [ ^ R9 h - RTS
: o; r! f P4 I$ U! g* W& `# v - T' T' a( ~$ P
- ;给敌人分配子弹
2 M% y" r+ `( a' e S A# { - Bullet_Track_Enemy:
H( p. g$ r6 n3 l1 x, s+ | - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)) m& m( ^; r6 }$ ]; D( S8 l7 \: ]
- Bullet_Track_Enemy_Check: Y+ y' {" c P; D# J0 p
- STX Loop_Index_J
1 ^, Z( p& j% m. | -
& A9 W: ?: m* K; o- z7 H - ;if (0 != nEnemy[j] && -1 == nTrack[i])4 G1 ~; d) g& s
- LDA Enemy_State,X1 y3 ~+ C$ i! W- h0 X- T2 c9 _; N
- BEQ Bullet_Track_Enemy_Check_Continue# v& C3 h+ Y9 F
- LDA Enemy_Blood,X
% j. T, z! b4 @$ y) ^8 R+ I1 t - BMI Bullet_Track_Enemy_Check_Continue* [1 A. `4 M( Q
- 3 z! @" u) g6 E! g% T
- LDX Loop_Index_I
' b6 S! z% w4 v: k+ \( k9 K- f3 V) a. B - LDA Track_Enemy_Index,X6 |6 C0 S% h- E5 s: Y! Z6 }
- CMP #$FF7 _0 F2 T, k! Z! d/ c! h
- BEQ Bullet_Track_Enemy_Init' ]" i) B7 u9 Q# d) J. T3 c* V) \
- 5 @: s+ p+ E1 o n( i( }
- Bullet_Track_Enemy_Init:
( w1 e R! C$ a - LDA Loop_Index_J6 o& O0 j/ z V. @& [- H8 _" Q
- STA Track_Enemy_Index,X ;nTrack[i] = j;
! I3 \. E$ h% C" ~. P' {; l. {! Q+ o - " m9 g3 ?; S# n, L; k
- STA nEnemyIndex, ~" ]* U' W+ H6 ^4 c. l+ K/ N
- INC nEnemyIndex ;nEnemyIndex = j + 1;" W5 @4 _) g/ [* ~$ I
- RTS ;break;& O7 M4 m: a& K: U* N7 [9 L
- % b6 C( h8 y+ Z' T8 J1 U
- Bullet_Track_Enemy_Check_Continue:' ^6 u3 k; r+ S: R. S& K" p
- LDX Loop_Index_J! S: _* R) u. u
- INX ;j++
0 H/ p& p7 H, d4 J - CPX Enemy_Index_End- ]+ W$ X6 X/ W2 | q
- BEQ Bullet_Track_Enemy_Check6 @: o _1 S6 c
- BCC Bullet_Track_Enemy_Check3 a9 C6 U6 p+ B' l
- Bullet_Track_Enemy_End:
6 ?* q3 J8 W! E8 b' v - RTS( g! Q' ?, j; N& u h
- % H3 ^' \! E" Q! C8 h8 i
- Track_Enemy:
/ }% d7 V/ |* c - LDX #$0F
3 u$ ~' }' B9 U. Y# @! T8 r! k - Track_Enemy_Begin:: ~! r3 K; X3 _: c0 g9 G9 o
- LDA Bullet_Icon,X F4 f) M; }7 F
- BEQ Track_Enemy_Continue
1 w+ r9 F, P$ M - LDA Bullet_State,X0 R5 B( r& N) l% J& r ~ B
- CMP #$01
: H2 _' J2 h' z, y+ H. O8 j - BNE Track_Enemy_Continue/ N0 T9 A2 l3 N6 o e9 R8 H; _
- 2 H5 }& s( ~. l4 M* r
- JSR Track_Enemy_Process
; i* N5 h* D, A A" ^- w: N - ! `3 i$ C+ v- ?$ h. A
- Track_Enemy_Continue:5 _2 i- V V& v1 I3 Q
- DEX. _6 K- g0 ^5 {- Q
- BPL Track_Enemy_Begin# Y; }; Y( I+ ]3 N
- RTS
* }, f* m7 ^+ H) F4 h
: s0 C9 G& L& T/ G% U6 {- ;普通关卡
- N% T; T8 E8 ]5 q& r - Track_Enemy_Process:
3 O0 s3 r z- {6 s1 l - LDA Track_Enemy_Index,X
! l# u( [" a8 J7 r - CMP Enemy_Index
2 |( _; y/ x6 B9 ~2 g - BNE Track_Enemy_End
; @5 r/ j2 B W$ E2 J1 T, \ - LDY Enemy_Index- |0 A1 M }9 u6 D& `+ G! t
- JSR Track_Enemy_Y
: ]4 f s8 `/ N - LDY Enemy_Index- ~( w, ~: G0 \3 J9 L+ n! X
- JSR Track_Enemy_X4 g9 Q; w T! D. f6 d
- Track_Enemy_End:
j$ P' B* {3 d h* ~- r. @/ Q/ }1 _ - RTS
; N5 P( ?5 k6 n w4 F# {$ L - + a1 Y1 l! t5 S' f, G2 q
- Track_Enemy_Y:
) d/ b# [4 C3 B; ]: Y. N - SEC& G) [3 I$ g7 e0 l" |5 u& c
- LDA Bullet_Y_Pos,X
5 Z# K' @- z7 Q$ u# T - SBC Enemy_Y_Pos,Y
% q: {- E; u4 r - BEQ Track_Enemy_Y_Equal
6 S& _$ Y: i% E" [( F: x) H) Y - BCS Track_Enemy_Y_Greater% h$ Q7 s1 t& c8 o! B$ P2 N
-
, ^& s2 X2 {; u Z. [! P - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
9 |2 z) V, G$ c/ l - CMP #$FC
' V' e' c* \& a3 M; O - BCC L1_14 o% x6 V9 e( N3 t
- CMP #$FE
( s) T! F) n$ f. A9 u. { - BCC L1_2' I9 q! q8 |3 b7 i' f
- LDA #$00; u8 B- B/ M ~0 V& ~2 r2 Y$ y2 w
- STA Bullet_Y_Speed,X% d0 z. p- k' p8 t5 ~2 i
- RTS# h$ K8 p' v U. L+ v6 J6 n5 V y
- L1_1: % ]# u+ v2 L# G) g
- LDA Bullet_Type,X0 S. h+ d5 }4 i7 o w9 E
- AND #$0F& U: i3 }% l t! e' }
- TAY% n* }& w. O9 z. c6 k& U
- LDA Bullet_Speed_Data,Y$ g5 O4 b8 {: ]5 V, w
- STA Bullet_Y_Speed,X7 h! N: T# L) t3 p' k) v* K+ S
- RTS
: Y7 O% i2 r% P3 \, y
$ T2 i$ N7 u; |- L1_2: % W' H! U+ x9 \: t1 _+ d4 p* r
- STA Data_buffer# R- _! y7 W- |% F/ p
- LDA #$008 m. C6 u- _+ J5 X. A, g
- STA Data_buffer
# t. Z2 N" F) H' S9 K* \ Z, F) c - LSR+ V2 W. r, Y' k- @/ m) x1 H V
- STA Bullet_Y_Speed,X
( @* L: j( a* \8 e+ u s# L: F0 \+ i* V - RTS
1 d1 Z4 m! }3 f, M - ! F$ N# D/ ?3 h" \" P$ J
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y; C* @) v' j2 ~ m
- CMP #$04: W: d7 A( t" A" G
- BCS L2_1
/ a; w/ F" P/ F7 a9 t$ s* ~3 ?4 Q - CMP #$04
$ G5 v, K8 O/ c" O, k* F - BCS L2_2
( J- Y$ B% K, f5 R2 v9 F! i8 I - LDA #$00
% c% F H% W8 p& B6 r- Y - STA Bullet_Y_Speed,X
, S+ z% n# i0 [! K- z" k% L* U - RTS% Z H' Z3 d$ L1 B8 k n* E: }, V
- ( M' f/ _8 e( { t& z
- L2_1:
* v" W4 G/ d+ @1 I$ s3 F - LDA Bullet_Type,X8 p' h# h! u* o6 m
- AND #$0F
/ a) c$ R2 w, f, x* ^ - TAY: E g4 i3 N0 f4 ~9 p
- LDA #$00
% R$ X" [& ~" r7 u9 d - SBC Bullet_Speed_Data,Y
) V. L" v5 B# ^/ { - STA Bullet_Y_Speed,X
' G; w) p) b. W J' [% S - RTS
. G6 Y7 _. b9 }1 u) X) q1 S - # d$ x5 m# g. D+ G
- L2_2:+ \! B$ B6 o" [% l* B1 U1 `- T; T
- LSR1 b- a) b q8 `1 {" i& U3 b
- STA Data_buffer
! U9 Y3 `9 j; K$ ?1 x- [% w% A7 e5 A: f - LDA #$00
" V7 x( a3 w( r7 j) z( j - SBC Data_buffer5 C* z* j5 p! `. [. N+ N! ?0 _
- STA Bullet_Y_Speed,X! n+ E# ~& j- l6 R5 F4 b( p
- RTS$ \) H' i `' J" A5 B
- 9 A) a; C$ v2 X- ]$ u# n: n0 f7 N
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y% Z" M- ~5 {9 p3 _6 |/ W5 V% l
- LDA #$00- I3 v& I; r2 I4 }/ ]# \1 D
- STA Bullet_Y_Speed,X* P/ W5 p4 u* f1 ?
- RTS2 p1 n/ i n3 M+ Y
-
8 ~8 S* t; p: X2 I* d' ^$ m7 @' V, P - Track_Enemy_X:
. Y) [' K/ a$ j* [- C( z2 ~ - SEC. @ d3 ?" R( @2 z$ @9 _9 \( ]$ ~
- LDA Bullet_X_Pos,X4 E2 l: N/ E8 q# y& V \+ l: w
- SBC Enemy_X_Pos,Y
' J' H; S$ n9 J6 m# _, x, T2 S - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
& j1 b; k2 X( w: T6 L0 R n - BCS Track_Enemy_X_Greater ;子弹在敌人下方9 R$ q4 M- F1 k4 h( _( k* W$ q/ c
-
! k- k# q) h; T" \! t - Track_Enemy_X_Less: ;子弹X < 敌人X/ z y7 j3 L0 Z* t! l! v
- CMP #$FC
: a5 p, g/ C% _* K: |, Z4 r' d - BCC L3_1
& C# i! t @/ ?" n+ V' v. e- A% L5 s/ s - CMP #$FE/ f% F. |6 j! t0 S1 J4 \: J, }- A
- BCC L3_2
' M; @0 `8 Q; v, ~4 @. u: u - LDA #$00
! D( `% w9 V, U/ N/ T - STA Bullet_X_Speed,X
9 {, W. t( w H - RTS9 I* _6 w% M$ s* s
- L3_1:
% c6 {9 G$ r+ `" n - LDA Bullet_Type,X! S+ [5 g y- J. P7 {
- AND #$0F
" L) E7 N. C- @$ K5 ? - TAY
1 C. A2 b8 A8 P( [ - LDA Bullet_Speed_Data,Y, Q* @! _: D" t! S, I5 g1 F
- STA Bullet_X_Speed,X
1 i! }" x- k! ~ @" A" n, c - RTS. `' L+ }" p9 I7 H
- L3_2: 6 Z3 `$ Y* D- \, G
- STA Data_buffer
% Q' }* j: t4 w) {$ N - LDA #$00# r7 V0 S$ [! p# F; n- L
- STA Data_buffer! j& H( z2 J% b, b- z
- LSR' x$ J' F: m' j
- STA Bullet_X_Speed,X ?# W5 @: n$ E: T, b0 q
- RTS
" a0 P: P& S7 G. x -
8 X5 `$ \! D8 W8 } - Track_Enemy_X_Greater: ;子弹X > 敌人X
2 g0 m6 s7 Y( y" y& O ?( n - CMP #$04
6 |5 M( R! N4 C% U4 G4 o& n - BCS L4_1- ^# b+ f% L& c; P( F$ }+ h f) |
- CMP #$02
4 b! ]+ M; Q: F5 l - BCS L4_28 T9 V5 }) x5 j7 F
- LDA #$00; N: l& h- G7 h& m5 k6 t4 ~. Z, j4 y
- STA Bullet_X_Speed,X8 L; |9 u7 a4 H8 t7 P$ j
- RTS
, R" W7 S6 V* s2 z$ a9 X - 1 Y3 u1 y7 t! t5 t' g0 K, a
- L4_1:
1 i% v8 C/ k+ F4 o" L/ U - LDA Bullet_Type,X
. f; c. v% q/ ?0 e - AND #$0F$ q# E: L/ s# Y& }, Y1 z* V
- TAY
( Y1 t; S$ ], j F1 f9 s0 T - LDA #$00; B; |& S% `# h
- SBC Bullet_Speed_Data,Y* H$ B' C; ?* V0 K- V
- STA Bullet_X_Speed,X% B7 {) G5 k+ d# k" A. J) a \
- RTS6 ^3 P. a( E" g% h y; a& L
- L4_2:
5 z7 `* h* y) [2 l& q4 N - LSR
: V" `' Z6 Z% Z$ P2 J; ~' s: J - STA Data_buffer* O$ V- \3 h2 y" d
- LDA #$00
/ {4 [/ g1 ]$ b8 a' _: A; G( F - SBC Data_buffer
5 C5 O4 S$ A2 b* ~9 y, X - STA Bullet_X_Speed,X- e2 i6 C$ K. D6 q
- RTS' V) l$ p- D# b7 V
-
% I% j' N& M& i. Y - Track_Enemy_X_Equal: ;子弹X == 敌人X3 I9 F5 W/ s1 ]% m& x) I
- LDA #$00
) ^- l6 j3 }/ K+ f! U3 V- a. a - STA Bullet_X_Speed,X, _6 T& o4 Y5 J$ i p
- RTS. S: [+ Q2 j" ~' x, f; c; U
-
. @7 _( A% E# V) U0 ]6 P - Bullet_Speed_Data:6 W2 R1 v* G3 B4 p0 ~) g
- .DB $00,$03,$03,$02,$03,$03" ^2 L# o0 n k8 X3 [- d
- ! U- k @; T7 p$ [( }& S) h
- ;2, 4关+ T4 ]! b% N$ n. h+ T: H. K: a! b- e
- Track_Enemy_Ex:
$ J. o, q: c9 o3 f1 [/ V - LDX #$0F' @( a5 y4 K/ v H" L+ Y
- Track_Enemy_Ex_Begin:' c7 G* \" A: n( L- s- f
5 W1 t; n: U+ a$ j1 @- LDA Bullet_State,X
/ s% \! m3 y5 [ - CMP #$01! B/ A, T; }/ b7 G/ k: P) W
- BNE Track_Enemy_Ex_Continue. ~ W' g: E9 U( `7 X
-
6 ~+ l" X; [3 z q - LDA Track_Enemy_Index,X
" H2 o. I8 v3 C& b& W - CMP Enemy_Index# a- K, p. Z8 k3 U
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标2 X6 ?8 u _+ l) B
- 3 ^$ p5 U" E t1 A% D6 b. q/ Q* e
- LDY Enemy_Index
+ d3 d; e2 v- q8 Y5 X$ I - JSR Track_Enemy_Ex_X
6 g7 W' T# {3 I% U - $ d) E- O) @1 N8 O* d- b; |* {
- Track_Enemy_Ex_Continue:0 a% j+ _" _: K, I% E
- DEX# a0 U( A W% V
- BPL Track_Enemy_Ex_Begin
+ A2 I) i# o+ |; l+ W0 N - Track_Enemy_Ex_End:
9 S: v. u& i& V% p n& p5 I - RTS
/ p% y" u. H+ r - 6 n# |! n* X x+ b. N" s+ v/ }
- Track_Enemy_Ex_X:$ u* U4 O3 s/ Y3 ^+ F6 {
- ;LDA Bullet_Z_Pos,X! l( @, y. O: H+ C: Z6 A
- ;CMP #$04
" s( c6 V, k6 G$ H - ;BCC Track_Enemy_Ex_X_End z# o: R2 n, t% ?9 x4 T: e# C& }
- SEC
. S, s; P+ c- ~( G1 ^% d- O - LDA Bullet_X_Pos,X
6 c8 Y! d' L$ ^& U& }# v - SBC Enemy_X_Pos,Y# X0 {' D" b( [( B4 ]. b0 r# N
- BCS Track_Enemy_Ex_X_Greater
g6 X5 M- S6 a( C& k% n, c7 { e -
4 C3 u; c$ d7 r8 Q" o$ g5 B6 y8 g - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
Z& H$ b+ z* v. L6 J - CMP #$FD
# r2 x2 U }2 R7 _) \ - BCS Track_Enemy_Ex_X_Less_End
3 v6 f' o2 T8 r# ]0 l, p# {3 ` - LDA $6020,X
3 h* U! G- L$ W ^! N' E - CMP #$2A
% m- r8 t3 t5 j: D( G% J# Q/ c, q - BEQ Track_Enemy_Ex_X_Less_L1
: c& V0 X! G9 j - LDA Bullet_Z_Pos,X
8 L ]1 R; l' A% S/ y - LSR$ u; T( ?& ]9 t t: y. B$ P; {& v4 Y
- TAY
& T0 g8 [5 T9 U' Y% d - LDA Bullet_Speed_Data_Ex_R,Y
5 _$ g; H# ^0 ?% g) Z - STA Bullet_X_Speed,X/ }" j; s5 q/ |8 X& @# O
- RTS
+ ^1 d* s) q; s$ \: N+ W! v - Track_Enemy_Ex_X_Less_L1:
/ U. s, z4 [5 m0 g+ U2 X; X - % Q" B& k8 p H! f* l
- LDA Bullet_Z_Pos,X
1 t: V, N+ I. k0 z9 M3 X; a - LSR5 c: Z3 m1 Z2 K' Y7 b; p8 C% ^
- LSR
; Q: f! ~( S) ` R1 `: X' u J - TAY
9 v. J# j# j- @* |/ m' L - LDA Bullet_Speed_Data_Ex,Y7 e! F+ B/ X6 t; O, Z: W
- STA Bullet_X_Speed,X: v7 g2 U7 D! c' n0 r
- RTS5 A) c( S. x$ o& l4 _
- 0 x# w6 c1 h" t
- Track_Enemy_Ex_X_Less_End:3 A) C% w* d8 `1 m8 r# Y, D
- RTS( T( _' V: h: F/ t4 W
- ! j+ j8 }4 p2 p6 k) W
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
K$ \4 l" a0 J% p8 B! ]5 {! N - CMP #$03
V2 v) V1 l; {+ z5 ] - BCC Track_Enemy_Ex_X_End
9 Q n2 P- F. J - LDA $6020,X. U& P( V7 _9 X0 }. L, }3 {1 Z# w
- CMP #$2A+ Z/ S/ c9 y( `" v' q& S
- BEQ Track_Enemy_Ex_X_Greater_L19 f+ Y7 ^3 F p: D' |" ], v) V
- LDA Bullet_Z_Pos,X
/ d" [( U7 z6 k0 ~* ^9 |, N - LSR* y+ S& W6 j9 S( S) @
- TAY
8 Q' j5 P6 c0 T) J Y9 Y - LDA #$00, c r6 \1 } a/ k
- SEC+ x% ^) V$ L# M- m, h
- SBC Bullet_Speed_Data_Ex_R,Y1 U. j% x2 Z6 J* ?9 b$ m6 Y
- STA Bullet_X_Speed,X% c4 k( S5 l7 u) v8 e* a( N! }
- RTS8 r" @# }) B5 W3 @5 j) E
- 3 d+ R" R$ B$ d, E' w
- Track_Enemy_Ex_X_Greater_L1
0 [/ e1 G, I+ K/ G - LDA Bullet_Z_Pos,X) ?' z9 x3 y( M3 L9 z
- LSR
$ n# X* u, \/ O5 U& A4 F - LSR
/ d) t# l. v3 d: q- S) x) M( { - TAY
( [) B% ]* a, I$ S. ?* H# g6 |6 ?( u - LDA #$00$ s K- @' ~5 b
- SEC+ z# V7 P! k/ S! z- Y8 `
- SBC Bullet_Speed_Data_Ex,Y: q0 y% `" \0 d, H
- STA Bullet_X_Speed,X r' t: W: j6 w( U
- RTS
l. M. \6 ]7 G -
3 U8 O1 S& h7 G, e - Track_Enemy_Ex_X_End:5 ?# i/ s5 p& ~3 ~2 C4 M0 ~
- RTS6 Q( H; _& O7 ^8 }$ o
- $ z* G2 X; C/ @8 f
- ;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 K; }3 t: y( ^5 K2 u - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上0 Y5 J8 P% h: r5 S3 s5 c
- Bullet_Tract_Direction:
5 l5 H. k6 o$ _" [! O4 {) ^" d7 D - LDA Bullet_Icon,X" z; _7 J O3 |1 e2 ^$ j6 W! v
- CMP #$23
8 I% R/ p8 Z9 U9 E6 ?# y6 C - BCC Bullet_Tract_Direction_End
' _" Q9 |. z0 V$ d- d -
; ]# j; r( R' D/ k - ; X != 0' o+ h- O; u4 N @7 P8 r& i' H
- LDA Bullet_X_Speed,X
$ t5 M9 b' |$ [ - BEQ Bullet_Direction_V
1 Q$ E" N! h+ w# F! x8 o -
- e4 }4 x; W2 y4 c& v - LDA Bullet_Y_Speed,X
" H3 k- c7 ~) T% r2 t - BEQ Bullet_Direction_H
5 J/ L. w6 I5 l+ F* E - ; X7 O( R! d0 X% x& j1 z& r: g
- LDA Bullet_X_Speed,X7 d( E1 Z! s$ Z
- BPL Bullet_Tract_Direction_Right
9 h/ v& u7 O) v7 [ - Bullet_Tract_Direction_Left:8 F% W& d, b9 T7 F
- LDA Bullet_Y_Speed,X
0 f5 Z- Z( `9 j. V ]! C! Z - BMI Bullet_Direction_Left_Top- H# Q7 K [8 w4 r0 C. F
- BPL Bullet_Direction_Left_Down
- \2 ^- A! }/ e$ {' _& q; ^ - Bullet_Tract_Direction_Right:% X% M0 ]( V. Z" a
- LDA Bullet_Y_Speed,X
. z; ?- [% [# k/ h9 D% V$ N h- F - BMI Bullet_Direction_Right_Top# V: G, k% T0 d2 K+ M. p
- BPL Bullet_Direction_Right_Down0 l+ \- K6 ^% {: @! v
- Bullet_Tract_Direction_End:1 A/ v! u q- o
- RTS9 r7 i% L/ K- X, a; K1 i
7 I: w3 S& F5 X, \- ]1 S' {' w+ o- Bullet_Direction_Left_Top:
; N j* m# B$ |7 U. ^ - LDA #$25" R+ ]$ d" K0 R
- STA Bullet_Icon,X
% D+ ^+ I+ W H! V, { - LDA #$C0! E# U3 ^1 ]3 C9 r0 ^
- STA Bullet_Direction,X
+ Y1 z( _9 R9 U' \ - RTS
; ]" Y" `* s' V& X) l% M! ?
9 l5 J7 o* x; O# n; [3 d* }3 ?2 e& E- Bullet_Direction_Left_Down:
7 e# L2 n+ M8 E' \' b! i - LDA #$25
# B3 X' T& O0 L* M7 d - STA Bullet_Icon,X
3 k# { c2 i# B3 [ - LDA #$40
& Z: Q4 c* X2 g4 r, @ - STA Bullet_Direction,X) f- N1 R( v# n( E5 F- i
- RTS( c; ?+ j3 y( D
- / K+ r- z1 |' m: ~/ o
- Bullet_Direction_Right_Top:
0 e, j, t' |2 b6 O% x1 W - LDA #$25
+ k& Q/ q9 T6 A3 C( {( w - STA Bullet_Icon,X! R0 U8 ]$ F# p7 S" S: F: l
- LDA #$806 d) E" C: |; y
- STA Bullet_Direction,X; Z( N9 B( `2 h- I+ @/ W+ K
- RTS3 _# E( Z" k8 {4 g
4 n5 R4 \$ ?- G; H$ G3 u( E: ~- Bullet_Direction_Right_Down:
& U' z/ \/ |( P" ? - LDA #$25) w: S# l3 s }2 {" x: M
- STA Bullet_Icon,X. i5 O2 @; k4 e4 F
- LDA #$001 { i+ i: W9 r7 A4 C# S
- STA Bullet_Direction,X) ^6 E; D5 H# F* p2 q8 R
- RTS
/ j2 H. y# H K) j# y& v* X1 Y6 r" Z - @! B0 u( d4 ?: F# C3 T0 {8 X
- Bullet_Direction_H:4 T" K+ N4 ]5 E: p \, i9 W
- LDA #$24
( B- v7 C' Z! C: z - STA Bullet_Icon,X
& U( A# Q2 y l, a0 Y! q - LDA #$005 G7 c+ w+ ]9 j. u1 K8 ?
- STA Bullet_Direction,X
2 D' e7 f5 d+ F2 j& `- ^) } - RTS
7 T$ m& f. a' [# |3 g: P - 7 q: B6 L% @9 w
- Bullet_Direction_V:
7 D: t" w ^- x/ Y* ~9 D - LDA #$23& [% X5 x' P E; f8 ?
- STA Bullet_Icon,X
5 d9 B. d; G, U N. R - LDA #$00' K+ _, f) s- N: {: ?. g* U
- STA Bullet_Direction,X
" P4 n& o; Z( V# E1 w8 V1 P z - RTS: j3 ~( ~/ m) a1 _ q9 y' U
W5 w# k, |$ }. [* I- Bullet_Speed_Data_Ex:# G! w6 @ t2 G5 [& Q8 r" k
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$044 E5 d Y) h4 C
- 5 n$ B! s- {- F2 H: Z
- Bullet_Speed_Data_Ex_R:( x6 b8 V# ]% \* r; d; @5 P4 v
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
8 Y% J/ w7 F! ~. ~' ^( B -
复制代码
8 ?/ ~1 X. n2 k3 P4 D1 i/ |% a9 L: [- ]# o; u& v: p4 m0 ?: o7 i
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