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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
9 G: @! I$ g. Q) i8 v3 i作者:FlameCyclone
5 f6 c7 {$ U" A$ |内容:3 j. B5 G& ?4 ~" d$ D6 B9 K
1. 所有子弹追踪敌人 G) O7 v+ J7 E
2. 选择键切换武器- ~! O! a- _2 r8 a2 J
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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flamecyclone.ys168.com
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$ L& t2 x3 r7 o% H# A% K- C- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁) g8 o; q6 r7 a( k% W$ f# I
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L; y6 d8 d- \% @ J
- 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)
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- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
" k$ W8 n3 L% j: f! C; L( T+ P - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
% m) M0 y R8 |5 z* a - + p1 _9 W& p) P8 o! K. P
- Track_Enemy_Index = $6000% }2 @* I/ a6 i$ }9 @
- Enemy_Index_Begin = $6010
# _# g. e" k* ^# i1 ? - Enemy_Index_End = $6011
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. O/ O J; y2 f7 A+ g% N- Loop_Index_I = $6012
0 e5 n& R% P3 O( `$ C P - Loop_Index_J = $6013+ i% b$ K x3 |# s4 T2 k) B8 x
- nEnemyIndex = $6014
: c, l! v/ p, B; H - Data_buffer = $6015' G, M- _8 p, a+ L: ?
' K4 R3 a/ {" t- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
8 l/ }; B% U0 @- s. e - Bullet_X_Pos = $03C8 ;子弹水平坐标
! z. R g+ Q6 s% B - Bullet_Y_Speed = $03F8 ;子弹垂直速度9 J) O2 J1 E8 B. p
- Bullet_X_Speed = $0408 ;子弹水平速度) v5 m( a. E+ F+ J
- Bullet_Z_Pos = $0418 ;子弹Z坐标& `# | s9 n B1 R: _8 Y+ |' u
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P+ T/ D6 N* X" H
' C; C/ ^' Z8 L! z- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
5 x' U9 ?9 P6 ?2 g$ t! s2 }8 \ - Enemy_Blood = $0598 ;敌人血量
$ }. D" [7 D7 l! r0 O; h - Enemy_Type_Addr = $0528 ;敌人类型+ {& t# w# x+ R
- Enemy_Blood_Addr = $0578 ;敌人血量
* l1 a6 U9 @/ w - Enemy_Y_Pos = $0324 ;敌人垂直坐标7 L0 U* k0 R ]. m# a
- Enemy_X_Pos = $033E ;敌人水平坐标7 I/ k) N2 X4 _; g/ Y& L
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
- r) F* W" ^7 @' t6 R - 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
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- Enemy_Index = $83 ;) D9 Z; Y' v" O) m5 h# X
- Time_Count = $1A
8 X' ]/ N2 A: |4 l9 y1 n - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
6 a. ^ U. s4 V4 h5 Q" F - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率& h5 F6 C9 Q/ m- ]( |" n; {
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9 S: F& y/ ~- H" }) I- .ORG $6100
. T8 l' V' j, R4 _ - Process_Begin:9 Y5 M) I$ C6 {+ h. n) R
- JSR Enemy_Check
/ H% Q7 e: L$ E0 F$ ` - JSR Track_Enemy_Check1 Z2 |0 c4 _. a
- Process_End:
- f: }* E! w2 v, O. n+ c - JMP $E54F
9 J- O, ?6 S( u4 l5 N- ?. _! s$ }
: }$ N2 d( e3 [* U2 G. A/ G7 z6 Z8 f- Enemy_Check:# M' A2 Z1 C _
- LDA Time_Count: u# v9 S* r+ f5 }6 w( W
- AND #Track_Bullet_Speed; q X/ L" m# D
- CMP #Track_Bullet_Speed
/ V3 X" R! Q4 C8 W! M0 _ - BNE Enemy_Check_End
3 H/ R& n L7 {- M2 y: c1 X/ ~ - LDX #$0F
3 T$ ^- s) F. d# Y! y - Enemy_Check_Begin:
: V- V6 f) C* d ?; T O% X( c - LDA Enemy_State,X; u3 D0 T+ f u3 M4 A
- BEQ Enemy_Check_Continue+ {) w! ~" X, I% r
- STX Enemy_Index* x- q+ T" Y9 o4 [7 G! X
- JSR Find_Begin_Enemy
& v, H8 W, P. h/ A2 @' D) x - JSR Find_End_Enemy7 ^2 x3 N8 h. l2 V$ y% [
- JSR Bullet_Track- t8 a7 z9 b6 K. v
-
$ I8 L% i( s. _( L- O) K+ C - LDX Enemy_Index5 }" ~5 w3 t6 ^
- Enemy_Check_Continue:3 ?3 B- z' Z5 {: M5 l" G4 Y+ j; _
- DEX
3 }& T% J4 v' m, p3 C - BPL Enemy_Check_Begin
/ A2 `% _6 \4 l7 \) ] - Enemy_Check_End:/ z+ i5 K, [' l! N$ M, c
- RTS
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" X. _6 T2 b/ y7 C2 D - Track_Enemy_Check:
; z$ d# \, Q4 L, [2 v" v - LDA Time_Count
5 \( k/ j) }+ J2 j$ u' O. ? - AND #Track_Enemy_Speed# O( ~7 ]( r0 M# ]" N" u7 m ~6 p
- CMP #Track_Enemy_Speed& Q% x) }2 f; q. g9 D5 T: {
- BNE Track_Enemy_Check_End
C" H" I% j5 X3 r' C) m( A, c - LDX #$0F
4 v7 b2 a8 V$ v* X' p( m" i. R - Track_Enemy_Check_Begin:8 _. c" m' ]! V4 F) y) D- [; Y
- LDA Enemy_State,X
( A2 a2 T& t3 ~' |2 Q - BEQ Track_Enemy_Check_Continue2 R( i9 b* ^" B$ x$ p* w
- STX Enemy_Index/ w+ M/ q: Z# C5 p
-
9 P1 E- b) }9 \: \2 {# R - LDA $40
% G& Y: q, k& S; Q - LSR
7 f5 U! A) w' F: z. v `2 W - BCC Track_Enemy_Check_Begin_L1
9 [3 C, Q7 D3 ?/ D1 `' b; R -
1 I' n& k5 G# {6 ? - JSR Track_Enemy_Ex ;2, 47 g7 S5 v9 F1 e" N" T
- LDA #$00& j4 ]9 X! ~6 p0 p+ p- B
- BEQ Track_Enemy_Check_Begin_L2
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- Track_Enemy_Check_Begin_L1:8 n6 v5 Z( p) D5 x. L& `. S" G
- - L7 P/ Y: V1 b3 i# H" X
- JSR Track_Enemy
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- Track_Enemy_Check_Begin_L2:
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. T! v" E! G/ ]3 m0 @- h i# X - LDX Enemy_Index. g: E% B9 W+ L* p/ X. H! Z- U# M
- Track_Enemy_Check_Continue:% ^! k7 U8 T; E: Q D1 F+ P Z
- DEX
4 V, N5 _- z; C8 ^5 _$ @; h5 @. I' N - BPL Track_Enemy_Check_Begin
6 P. ]. u1 j$ M s' J4 V& ? - Track_Enemy_Check_End:
; _7 w7 G# q% K0 n3 b/ p3 j - RTS
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- 8 [1 h% b4 K% ]' A: v5 b, A V& M
- ;查找第一个敌人
0 S! \$ V3 Y* N# ]: o- }& I# r - Find_Begin_Enemy:
! N( l# E* E( m$ S7 G& E& I$ x - LDX #$00, N% ], M3 C0 I/ f5 Y o7 c l
- Find_Begin_Enemy_Check:
% L1 }: F% E) y - LDA Enemy_State,X. {$ I9 g* ]9 C- |. x: E$ D- P! D
- BEQ Find_Begin_Enemy_Check_Continue
0 ~) W2 J& ~! ^5 L: h9 ~ e - LDA Enemy_Blood,X6 `& N0 H! D/ u4 H* A) y
- BMI Find_Begin_Enemy_Check_Continue& k- E; u& x9 E6 r- z0 ?$ v
- BNE Find_Begin_Enemy_End
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0 g% g' L9 o3 ~" H$ J( O; c3 { - Find_Begin_Enemy_Check_Continue:' [/ t( ?9 ~" R
- INX
! ~5 [8 z5 x" F6 l0 h6 Z - CPX #$10
9 ?$ {* d+ z% z; P8 y M - BCC Find_Begin_Enemy_Check6 m, I0 y2 }; p1 r
- Find_Begin_Enemy_End:: k% O+ k; o0 `) c
- STX Enemy_Index_Begin& F9 J" w. T! N! h( H2 w
- RTS* Q8 F+ ^7 }6 f
0 p) g! e) y# g1 S% @- ;查找最后一个敌人
0 I3 X3 f2 ?4 G - Find_End_Enemy:6 R6 a* I* m% A- m( ?( L
- LDX #$0F2 B! J6 Z/ @& O
- Find_End_Enemy_Check:0 N( r; h! y& @4 [
- LDA Enemy_State,X
% x* G8 ^, W: G' @+ y - BEQ Find_End_Enemy_Check_Continue, X% i& y- p+ D. {: u" n, }
- LDA Enemy_Blood,X; X7 A. y4 N% j7 ]$ l" I
- BMI Find_End_Enemy_Check_Continue2 g, i. |8 W; R
- BNE Find_End_Enemy_End
5 Q1 [1 P" N; ?5 ?* e2 u -
& @: e/ l. x* E7 m | - Find_End_Enemy_Check_Continue:/ F" K- f E# k3 L1 }! A5 N5 N& H
- DEX: ?9 Q- \! A- x% E7 M
- BPL Find_End_Enemy_Check
7 C, X# u4 N* I' Z% r- D, R9 i8 P - Find_End_Enemy_End:: Z: U- ]$ x7 l" `% k
- STX Enemy_Index_End
; b; s" y0 u( L9 S6 F' ^! { - RTS
2 E* N5 `1 i; H' K - : Z0 J$ j( f& U* N; f
- ;子弹追踪2 q- n$ @2 H) h: s
- Bullet_Track:7 e# x( Q7 ~9 A; o1 j ~% D
- LDA Enemy_Index_Begin
' U7 t- a8 G$ F4 {# c; j - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
% i9 b% f& {% l4 S - LDX #$00
. x9 {: j. W' W. l8 o6 B5 }$ x - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)9 J; A8 X, {$ O, y! m5 B
- LDA Bullet_State,X R0 l+ W# q0 T& |
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
t( R8 _, _4 Z _2 P - STX Loop_Index_I
- g# e- [" N, q2 y8 N# z# o" ]2 z - : j1 I0 C. I- t& o- e- u6 w
- JSR Bullet_Track_Enemy8 ?7 K7 K/ l6 B
- JSR Bullet_Tract_Direction
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/ {% q7 `+ `- N3 H - ;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
% Q2 T" @( o* R; S4 h/ ]6 `! D - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;* j1 R2 _* g9 v! h1 |4 g
- LDA nEnemyIndex' C( X, G; {% y9 I0 y7 o% y
- CMP Enemy_Index_End
" ~( P4 e# ]+ c9 L: Q. A# J3 C - BEQ Bullet_Track_Check_Continue
0 H4 i C9 E! }3 s: c - BCC Bullet_Track_Check_Continue7 h$ U/ I# p& c4 L3 Z+ X4 J9 j
- LDA Enemy_Index_Begin
# q4 E3 X) f! Q& W5 n# q) \ - STA nEnemyIndex
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- Bullet_Track_Check_Continue:
3 M1 H; t% R. T( o4 x - LDX Loop_Index_I
9 ]) w: F& Z `0 q2 |( n( x - Bullet_Track_Check_End:" y* m# w2 r) X9 {( Y
- INX* R% I( o. d6 `7 p& U0 |
- CPX #$10; L m" ]7 R2 s3 M; o( r# k1 |
- BCC Bullet_Track_Check) K, `" C. t; ?/ h* d! f
- Bullet_Track_End:& Z6 b! K+ A5 S# n/ T! Y
- RTS
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- ;给敌人分配子弹
M' I1 z/ @" n; g' A: a - Bullet_Track_Enemy:) ~% ?7 z) c# b' q
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)/ M( J8 z3 Y2 J, P( K$ C* f k
- Bullet_Track_Enemy_Check:
0 l1 M/ [$ h- E( H x - STX Loop_Index_J. h g, |! ^3 @* N9 X7 f1 U% U' r
- + X& Z% P) v2 d# H( @
- ;if (0 != nEnemy[j] && -1 == nTrack[i])3 C6 _2 N3 }& w) p& J" u/ B
- LDA Enemy_State,X2 ?$ {6 n6 K6 C
- BEQ Bullet_Track_Enemy_Check_Continue
. s1 `. ?9 X* }4 h& ^ - LDA Enemy_Blood,X
3 p0 Y1 k: p, g& W L. Z - BMI Bullet_Track_Enemy_Check_Continue
2 _/ X0 s* s5 d* J" N -
1 D* ~; o) ^ w. D7 f! v a - LDX Loop_Index_I9 z$ b8 K8 {- R6 R; e& T/ r& |
- LDA Track_Enemy_Index,X9 X1 S2 {" a! A8 A$ m' D+ l
- CMP #$FF, h' L& z, i& j( E! y, p* h/ J
- BEQ Bullet_Track_Enemy_Init
3 d1 A6 m+ j5 Z) f' F# W -
" r8 e) E8 Q- w6 x) p$ O7 L - Bullet_Track_Enemy_Init:0 q7 Y8 Q Y0 b, \6 {7 h
- LDA Loop_Index_J- n. C6 r$ i. N
- STA Track_Enemy_Index,X ;nTrack[i] = j;
7 z; J4 c# f5 s7 Z, e -
% |0 U; x# X% v: |) E$ h" s) h - STA nEnemyIndex
0 G8 j2 A0 T( H& W9 }1 u' x - INC nEnemyIndex ;nEnemyIndex = j + 1;
5 \' f6 [6 f$ L+ c* U. r - RTS ;break;; G/ O) d8 h4 X
- 2 J; A- g o5 v+ _+ U9 K
- Bullet_Track_Enemy_Check_Continue:
. I& P2 O0 _( M; w8 h3 E - LDX Loop_Index_J
; ]( i: L- O" y ^ - INX ;j++* [1 e8 K: V$ t1 n. y
- CPX Enemy_Index_End
- q- L6 Q# p/ L* g( \ - BEQ Bullet_Track_Enemy_Check& I; M) a( Q; u* d. O1 ~% J6 f8 {
- BCC Bullet_Track_Enemy_Check
' h: _5 N9 M3 U, o4 L" c2 } - Bullet_Track_Enemy_End:
5 n: Z: Q8 p' Z9 T6 D - RTS; t7 @7 M4 S; |3 T; _! q) E s
- 1 B" E( h, s$ Q4 D( u
- Track_Enemy:* x2 X( G4 N( ?8 O! n
- LDX #$0F
: t5 R3 E& u X2 \& l; w - Track_Enemy_Begin:% A* t7 N' e, j6 N0 ^+ d: I
- LDA Bullet_Icon,X- s9 `) j6 y5 [7 Z9 g0 x3 }% l
- BEQ Track_Enemy_Continue
; {2 E. \2 O( o0 ^ - LDA Bullet_State,X, S* Y; N( g, p0 F
- CMP #$011 [" p* m1 N8 A3 Q X6 V
- BNE Track_Enemy_Continue
# s( t# J& Q# ^* q -
$ ~- a$ o% Q& D# ^; A( p$ }; { - JSR Track_Enemy_Process
, @$ H3 O/ Y: {+ l I - # N% s# k4 x$ z4 v
- Track_Enemy_Continue:( r5 i. I/ n0 \* o8 k, H6 b0 E
- DEX4 E3 G- \5 y0 l1 Z3 W3 E
- BPL Track_Enemy_Begin
$ B {# s; _8 u! v' b7 c - RTS; o6 p5 i9 e$ J. _# Q8 Z! h
1 Q. ]2 }6 m% P0 e& b# d9 e: u9 l( k- ;普通关卡
/ U9 \& [' z* y% k - Track_Enemy_Process:
4 A, V& D) E. V; U8 Q - LDA Track_Enemy_Index,X6 N0 H# A: E" [
- CMP Enemy_Index
1 L/ {* N6 m* n8 v6 z a: g0 x+ D - BNE Track_Enemy_End/ k, N c9 u* Q. P' ^
- LDY Enemy_Index
, ^: w% P: {; S! T - JSR Track_Enemy_Y
# {5 z% h! p, h8 P7 V4 `* u4 G - LDY Enemy_Index
8 u' M2 ?5 u/ D - JSR Track_Enemy_X
' `. e1 R$ ?2 c" I) L - Track_Enemy_End:6 ^7 @) R* `# u+ f
- RTS
6 @4 E# A- R: ~2 U4 r8 I$ L/ E - Y% g+ t1 [# P5 d
- Track_Enemy_Y:
, c2 J& k/ \. S b6 r - SEC) u& X! G4 C# w) ^, D( z
- LDA Bullet_Y_Pos,X
: x. m4 l+ k5 \: I6 _ - SBC Enemy_Y_Pos,Y
, p. p6 L$ M" m% [3 T! f$ N4 _ - BEQ Track_Enemy_Y_Equal
. ~8 q8 J" P: E# x, ^6 e5 J. Z - BCS Track_Enemy_Y_Greater
1 }1 C) }2 B( u -
. w/ q9 M; ~- E8 e& \4 Y- ]3 c/ Y& s - Track_Enemy_Y_Less: ;子弹Y < 敌人Y2 R" u, f8 V" y* @
- CMP #$FC
) ^3 o$ Q4 I: k% V - BCC L1_1
$ Q7 Y/ I$ `/ g! K6 S' }# I, n- `' |$ y - CMP #$FE; _1 P5 I( \+ Z3 i$ `8 g& V
- BCC L1_2" {" w; `# X, x. R1 c
- LDA #$00
$ U* ]+ r2 h& d8 I - STA Bullet_Y_Speed,X
) W& D1 m1 u. b1 f/ ? - RTS
' |! v7 w- t: y) u; e9 J+ q" C! [" K - L1_1: 6 R6 v5 O( { M' L h
- LDA Bullet_Type,X
) @. v% M3 } U. C* o8 G: v) U - AND #$0F
3 i, h% `5 {- `# K* @3 X+ k( J D - TAY, d/ W/ [7 ^3 `2 B: g" z) n/ I3 b" k
- LDA Bullet_Speed_Data,Y+ T6 E* U$ @. i5 V, j
- STA Bullet_Y_Speed,X. c w% X8 |' Z! v1 S+ z
- RTS9 N2 [2 t6 i& O# x5 |: x
1 M* f- I4 g7 {7 }- L1_2: ( v, V( o9 Q5 R- }7 c O0 q
- STA Data_buffer
; _8 |, W8 V% H! d# i/ R$ f - LDA #$00
3 u9 O* ]2 P: D, r9 v+ M - STA Data_buffer
2 u' r( t$ H" b( Z1 H. d8 L O - LSR
; v8 v$ i, {! Z z# O - STA Bullet_Y_Speed,X
/ c$ r B* D5 Z( H# \: Q - RTS
8 E! ]; H/ ?' ^0 S- c4 h; r4 m: u" f: U - * {; {# |2 I; v9 H
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
) h: E) Q- X5 I1 f - CMP #$04
7 @! w$ s! L" G E& ^ A - BCS L2_10 |0 e3 j, y, W3 R$ b
- CMP #$043 _2 g6 B- @; K: n
- BCS L2_2) p/ ~ m/ N1 i
- LDA #$003 @! ?' ?3 N+ P/ N8 _
- STA Bullet_Y_Speed,X
' g: ]; M( Q1 K" I! p" S( G' a" I - RTS
/ V( n% Y+ S. o) a1 f -
0 N% g9 I! R; i - L2_1:2 R+ a- i! e3 V4 n2 C/ ?
- LDA Bullet_Type,X
f k: j5 F1 A- q! u - AND #$0F. j1 o/ B7 D D! H, M
- TAY
$ J1 a% `$ N7 x - LDA #$005 }7 D2 ^4 l. |; S& f
- SBC Bullet_Speed_Data,Y Q8 @6 t/ d' J$ j( m" S) |
- STA Bullet_Y_Speed,X9 F+ v7 P, P2 j x# z( i
- RTS
6 O2 F5 Z% S+ l5 _ -
/ H% N3 [* n% d. o% O6 S4 H& ?5 g - L2_2:/ a; m+ M0 k" \" |- d. q' @
- LSR# m- S0 G1 ^* n e4 v2 _
- STA Data_buffer5 d& f0 {6 D1 \8 ]# C+ m
- LDA #$003 c! `# F; b" z( |# k i
- SBC Data_buffer" H9 O, ]2 V, a6 K# a- p
- STA Bullet_Y_Speed,X
7 F7 W" [, {! ?' w - RTS* A1 |. |' S$ c: P
-
, H( z& B* a6 v9 m - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
6 n( n) [4 i) K6 H8 J - LDA #$00# A# r! T( {7 ], H& D7 Y0 d
- STA Bullet_Y_Speed,X
# w' }5 |8 M! B5 L3 \; [# y% x - RTS" H- i0 T1 ~: z8 `/ W+ ^
- 4 O: }$ q1 I: r
- Track_Enemy_X:$ e% N1 M4 g: ~( d2 {
- SEC( O# K* M5 W* n! z0 g( @, L5 E
- LDA Bullet_X_Pos,X1 H# s W5 Z' |. ^5 J, s
- SBC Enemy_X_Pos,Y# a3 C3 W& @/ l; V v6 y
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X2 I% k: W+ K0 Y0 L( m
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
2 v+ M3 w7 { Y& q6 U# C -
5 R5 h; ^$ A+ G - Track_Enemy_X_Less: ;子弹X < 敌人X
" O# _' _( C, v- Q" W/ t: n - CMP #$FC
0 n7 e; ~+ M6 O6 b1 ~" |% N {/ b - BCC L3_15 k( A" b* O& Z& a8 }/ S7 X
- CMP #$FE
0 v) t8 M- B# z5 h) b* u+ l7 ~ - BCC L3_2
4 p ~. v0 P9 c8 n - LDA #$00
+ ?' M& U+ ~. B( E5 S+ E - STA Bullet_X_Speed,X1 B3 y( l$ v( g3 [: a" ^) d4 _
- RTS# R( K2 l; d& ?
- L3_1:
( O9 h2 U. y: i; W+ F% n3 d - LDA Bullet_Type,X# \% t$ t7 C* L" W5 Y
- AND #$0F2 ]$ w( N0 E3 ]- J0 X! j) b
- TAY
" N: w: x' m' {' c% ^+ J - LDA Bullet_Speed_Data,Y3 D6 n3 K) R7 P/ m
- STA Bullet_X_Speed,X
; K4 @% c5 l7 w- F$ {- \ - RTS- d: \( {, T" q; B
- L3_2: 3 u/ c$ H6 N# j
- STA Data_buffer% y' W: ?) O* u
- LDA #$00
& C$ r7 o9 y, @$ v% K2 V - STA Data_buffer
$ r# B( ]2 i$ w3 X - LSR& w* _* J3 J! p% l
- STA Bullet_X_Speed,X7 f2 [5 `0 m" J2 e6 X0 P
- RTS% w% I2 A, [$ `; P- S
-
: F" l6 D3 V: _& m8 ^% v - Track_Enemy_X_Greater: ;子弹X > 敌人X
! b) I" a, n( D) B. B) R - CMP #$04
9 B: s8 t7 y% ?* x/ y' n2 D& f - BCS L4_1' W% a" V: W9 x
- CMP #$02
, e5 d; x) q0 l4 p9 u6 |2 I( V5 x - BCS L4_2
% j8 c5 x6 d, z, z - LDA #$00: Q+ e7 @9 F3 i9 g8 }4 v+ m
- STA Bullet_X_Speed,X
0 U6 w5 A+ T3 u% O @+ ^& I - RTS
5 f% p" ^* V" \0 G: Z - % w" q# `2 y* K$ k' w
- L4_1:
3 A% b0 y3 ~! r2 k+ M1 w) |' A# z - LDA Bullet_Type,X, w9 M0 @- p4 Z0 A( h6 k E+ }9 q
- AND #$0F x" i! ~1 M. I! R, C
- TAY3 w/ [1 i) \+ z x
- LDA #$00
" q& _+ L6 ^# M! F" | - SBC Bullet_Speed_Data,Y0 U$ F- W, G0 B: R) R% U, ]
- STA Bullet_X_Speed,X
6 T: V% ?" m: ]$ Y: o( J - RTS, X; a; I; P8 ^2 P! ~
- L4_2:
+ ^) a7 y( u" t3 y( K; K - LSR- V) _+ _3 e; ^; J& H9 v( Z
- STA Data_buffer
8 @/ e! [/ k. D- Z8 b4 l - LDA #$00! t2 Y' q) n/ y5 r) k
- SBC Data_buffer
2 v [: F( }1 u+ e - STA Bullet_X_Speed,X0 Y$ Y' f3 u2 V% [0 d+ A5 }4 S2 ]
- RTS1 M& g9 D, D7 G, s. q( l) o. N
-
% ]# w6 u: K5 u9 b4 i* z% j' \ - Track_Enemy_X_Equal: ;子弹X == 敌人X/ R1 N% d3 x9 K9 v# B. i/ n
- LDA #$00
' Y) c/ k O$ }5 J - STA Bullet_X_Speed,X
! z. Q+ s' o% W2 N+ W; | - RTS
1 r+ a6 `3 G1 P. E) g% @/ ? - 8 g/ o' a% x" {* H4 S0 w
- Bullet_Speed_Data:. a- C1 V9 e) e0 n
- .DB $00,$03,$03,$02,$03,$03
: @$ e; G; t# [ -
6 s/ {- l( I+ r0 z - ;2, 4关' A8 ^6 D4 p2 n
- Track_Enemy_Ex:9 R6 ^% v3 |' t8 J) q
- LDX #$0F
$ c; H! o2 _+ f) B6 L! b" E/ `' W - Track_Enemy_Ex_Begin:
5 n5 X7 |/ U. C7 B$ G - 0 [/ P- K" \ C' c- x! @7 K
- LDA Bullet_State,X
( D% D" b$ v& G# x - CMP #$01
( L/ T. W- c0 I1 l0 @) {* L. M - BNE Track_Enemy_Ex_Continue3 D$ _2 P% }: T0 \
- ' m& p; ?( z# h2 e' ~0 A
- LDA Track_Enemy_Index,X* M+ p q" \7 Q% |% q
- CMP Enemy_Index
2 W: {5 |- h5 j! M - BNE Track_Enemy_Ex_Continue ;匹配追踪目标& d C/ S" b) B' ^0 l
-
, }8 ?# d/ K* y9 K/ [+ ?* {, V - LDY Enemy_Index
' d% y3 t+ J2 y3 m( n - JSR Track_Enemy_Ex_X1 ?: E5 s8 h% f* k; S) d: n
- 5 B+ f" j4 w3 w U% h
- Track_Enemy_Ex_Continue:/ A* C/ k+ c% p) q$ O
- DEX$ j l! p# q9 {) [$ S G
- BPL Track_Enemy_Ex_Begin1 {( T$ D/ E% ~: y$ h
- Track_Enemy_Ex_End:; W4 e/ F3 g8 E
- RTS
4 g" Q: I7 w$ q3 E' R7 k& J* v. V6 I -
3 @* ^: X! S4 R, ~$ ]9 t# w - Track_Enemy_Ex_X:
! [# ?& Z* I# c [3 R' y! p3 v - ;LDA Bullet_Z_Pos,X
$ w1 Q+ E$ j) k3 b$ v - ;CMP #$04& q. ?# X- ?4 S$ F+ o! l
- ;BCC Track_Enemy_Ex_X_End# t* E9 r( d9 g9 V4 v7 z
- SEC1 Q+ _. ] c- z: \5 X" a4 r a
- LDA Bullet_X_Pos,X
) F" C6 H7 r* S7 \% r" C0 X, B0 E - SBC Enemy_X_Pos,Y
$ g% d! Q0 k9 A: O5 s; z7 t - BCS Track_Enemy_Ex_X_Greater1 E* k9 } {6 A, B+ M) b
-
& I7 M4 g# S: ~! G* P% X6 H- ^ - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
9 x/ h0 t2 z) |0 A% b" W - CMP #$FD
3 _7 C8 {) f Y4 o: y( _! _ - BCS Track_Enemy_Ex_X_Less_End: R' f$ V( `+ q4 Z: l
- LDA $6020,X9 \- X) ?/ |8 r9 ~
- CMP #$2A4 T% a, Y$ c& U: L/ _4 O
- BEQ Track_Enemy_Ex_X_Less_L1+ b% o: g) A: P4 p/ p
- LDA Bullet_Z_Pos,X
* }4 y, m6 @3 |( m7 D - LSR2 ~! r/ Q( Y# j) _: J4 t
- TAY! k0 f% U6 c& m! E6 a. ?" V% e
- LDA Bullet_Speed_Data_Ex_R,Y$ Y1 r: K8 F* O7 X
- STA Bullet_X_Speed,X
7 B1 e8 t* a# L( } - RTS
+ e+ x; r, J3 S7 o5 E - Track_Enemy_Ex_X_Less_L1:: t8 [. u4 k- t2 ~: v) z
% {# V: d4 S* O' `1 |/ a0 N- LDA Bullet_Z_Pos,X! q* ~8 n; O* L3 X6 ?
- LSR) a Q9 @% a$ U4 W
- LSR
6 v( Y2 j6 e; i2 {; J$ z - TAY2 O5 P& f& {2 z
- LDA Bullet_Speed_Data_Ex,Y
: ~" A( j9 l0 H - STA Bullet_X_Speed,X
/ ^* w' v- [$ Y; B - RTS: p' `# ]1 {8 P5 l
-
# J9 e% b- L" ] - Track_Enemy_Ex_X_Less_End:
$ N2 Z$ h2 |0 P# e1 R - RTS
) Z5 U+ d- \" R6 _0 I
4 B [ w" e/ c o) ^$ _/ D, P* i- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X9 d3 f; X! I9 b: e& a+ ]$ k$ _
- CMP #$03
. v+ A# @+ V: r1 [ - BCC Track_Enemy_Ex_X_End. X% E" t1 v. _! {3 @0 Y4 i
- LDA $6020,X' v2 y8 `& }& e. r3 N
- CMP #$2A
! |1 A6 G. @1 Q - BEQ Track_Enemy_Ex_X_Greater_L1
: H" J# ? \3 r - LDA Bullet_Z_Pos,X
/ E, L# j0 V% W7 a7 v$ G - LSR
9 c; f, s- X9 Q. ^4 v: R6 ^& J - TAY
* d9 R8 q9 o) p - LDA #$00# P+ G. k' |: r) n& Y1 o' R
- SEC" B& M# @5 ?4 O% g: r% ~/ m7 g n
- SBC Bullet_Speed_Data_Ex_R,Y
( C0 Y* ^% H. \5 W1 z0 e- t - STA Bullet_X_Speed,X( W' J; g. G5 G2 Q( U
- RTS. G3 x8 Y8 F( C a! h
-
/ I: V+ D* a2 v5 R/ r/ W - Track_Enemy_Ex_X_Greater_L1
/ ?0 E7 C4 D+ q( ?/ v" d9 a - LDA Bullet_Z_Pos,X
& Y; J: A1 d* q - LSR
5 [+ }2 f, S* H5 @$ f - LSR
% t0 Z2 C! [, M - TAY
2 r2 y2 l: I7 e/ ?: O7 L6 \ - LDA #$003 F7 v2 {/ z) y% H: O8 X& M
- SEC
& D3 r5 C N$ F. [; c% w - SBC Bullet_Speed_Data_Ex,Y
5 o0 X5 q/ ~( f7 H" n8 y: f+ o - STA Bullet_X_Speed,X J& T. ^( O7 T1 e
- RTS
* L( B! X8 f6 p; k# _' i2 d% M - 9 ?& K4 w: [( N9 H! T" K' K
- Track_Enemy_Ex_X_End:1 p5 t0 q3 k% ?! g% f
- RTS x% ]! }! L' B5 d4 B+ v
-
7 {; J/ m" w$ K+ 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)
3 u3 S3 o6 F) h - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上. ~* m; O% Y$ f" ?
- Bullet_Tract_Direction:
2 o" _9 ]& F) s' J: J; N - LDA Bullet_Icon,X# z- E- A+ O2 R! {1 q( e# O2 q- i
- CMP #$23- R* }1 ]+ h' S! ^6 Y, W: X
- BCC Bullet_Tract_Direction_End% A6 a2 V1 o& M) F
-
o* f' z. T& g% W6 e( h - ; X != 0
3 |0 P8 B! g) q( q$ k# @. U - LDA Bullet_X_Speed,X' b9 E/ t0 K1 c: m, ]
- BEQ Bullet_Direction_V t9 c6 s; K# b- B$ }* z- T
- c- m+ s( y& ]9 ^1 d! ?9 D' n
- LDA Bullet_Y_Speed,X
3 W9 k% U: r- W% u6 S J - BEQ Bullet_Direction_H: F8 E- D l4 D$ p1 q( H7 z
- * f, u! Q3 Q! H" A! z% v
- LDA Bullet_X_Speed,X5 ^% u' t$ n' Q8 P
- BPL Bullet_Tract_Direction_Right
1 T2 x; I/ I N - Bullet_Tract_Direction_Left:; e8 i2 @1 ^9 b0 L& X& N" l0 n& e
- LDA Bullet_Y_Speed,X3 D- R, t" A; n( L6 w* l$ X1 G
- BMI Bullet_Direction_Left_Top
- |+ f8 w7 X# M$ s - BPL Bullet_Direction_Left_Down9 ^0 x: G2 |1 k* a2 `8 j. e
- Bullet_Tract_Direction_Right:
1 {: ^( b7 s% F3 @$ |8 r4 P - LDA Bullet_Y_Speed,X
& J8 [5 u; O1 m - BMI Bullet_Direction_Right_Top# O! k; a7 f- v5 C! E9 u8 V5 |1 o
- BPL Bullet_Direction_Right_Down R6 |% O3 M- i$ O; O
- Bullet_Tract_Direction_End:" P2 m; k; B+ |% ` Z7 o7 s
- RTS' m) o( G: w' G( G) r
- ) R# U" S8 B6 T$ A& p" D) z& Y) D# r
- Bullet_Direction_Left_Top:
! C9 ]5 p i; k6 ^% ~- U( z& k - LDA #$25
+ b, \* [1 T7 n! w1 Z# m7 O' n - STA Bullet_Icon,X
! u$ G! n* t6 {& v- C - LDA #$C0
' I$ i5 }% c, q" R: b5 | - STA Bullet_Direction,X. f# `& b. l2 ^0 e Y+ P$ _' W
- RTS
! D& U, E) {1 Q, K2 j6 g0 b
% j* p" V& N+ E) N, t/ h- Bullet_Direction_Left_Down:) K/ z1 ]5 }# b' F/ G
- LDA #$25
- k) }% _ ~* l' Q - STA Bullet_Icon,X3 ]. C; {' X. \8 y5 g4 ?
- LDA #$40$ i9 O; Y" Z% T- W& x& N2 b' F
- STA Bullet_Direction,X
. |8 `* M5 z! ]$ C+ c1 x - RTS
2 h! e, z7 T# b8 g7 F4 b
* p n% P; M2 k" c- Bullet_Direction_Right_Top:3 o: G; o2 e/ E0 F1 ?8 o4 z3 U
- LDA #$25# d5 M# M% l+ ~ A% l6 [ ] G
- STA Bullet_Icon,X
% s6 Q3 _& u; m( x4 s - LDA #$80* I) b, `0 H8 T5 h, W* W2 r
- STA Bullet_Direction,X
6 p6 c# Q* `6 U' P) L - RTS
0 r" X7 T! Z( _ - 7 D" c- E' t6 t* @# d
- Bullet_Direction_Right_Down:
$ {$ [, Z2 d) M' B3 ~, t/ M% j2 B - LDA #$25 W* s5 o" t: E$ s3 N! Z
- STA Bullet_Icon,X
, q6 h( o9 R( n V6 D - LDA #$00
9 @; `# f/ n$ S: h) u1 y. I( [" M - STA Bullet_Direction,X
& c5 z4 }8 q- F - RTS1 I: `) x( m0 S# f8 ]; a7 D1 s
% V: a& D, t3 i# d/ t! {- Bullet_Direction_H:
$ U; L8 y% w$ j( o8 ^ - LDA #$24
& B- N; A3 g7 R$ m - STA Bullet_Icon,X
& H5 s. o7 B: z0 _4 x - LDA #$00; ]* p6 F. Y: G4 j
- STA Bullet_Direction,X% B" Z' _3 G3 t2 r4 g4 S4 S
- RTS
5 e0 |* l& Y5 Y7 Z# _6 ^+ ~ - 9 N. i2 f6 E+ \0 j6 O
- Bullet_Direction_V:, P+ O2 z( m! b6 p2 H9 }! F
- LDA #$23% ~. Z7 w3 ?6 A
- STA Bullet_Icon,X
5 ?7 L" y( l5 G8 ?( k+ ?- r - LDA #$001 w2 Q+ I: ^# N* C# r/ q8 d3 {) k
- STA Bullet_Direction,X% W4 T6 k2 q9 s& \' w
- RTS
9 Q7 y6 @9 ?6 O- J
2 V. w8 L+ h3 I# z- Bullet_Speed_Data_Ex:
1 f/ ?& E& l7 I* h- u - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$043 x- A$ s* s+ C0 Y$ s
-
5 D- e8 i9 T3 W - Bullet_Speed_Data_Ex_R:
+ D% @) T) I# t# {4 U& Q; X( { - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
: C; C% L" |5 g -
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