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[FC][魂斗罗][J][追踪弹]
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% u7 M9 X! y5 n; ^时间:2023.04.30
3 k( i0 O v$ z# F3 L% q$ p2 D作者:FlameCyclone4 `8 b% D6 a0 `, z$ e+ o( H
内容:8 w7 O+ g0 H; Q5 S/ y) v' S
1. 所有子弹追踪敌人' L6 D. p6 e+ T7 i1 b: l, \; h
2. 选择键切换武器0 }5 A+ }1 Z3 c, d( j" }2 W" x
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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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁2 H1 J/ n) U$ M5 [1 I& U5 [
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
" F: G9 }( ^6 j5 B0 F - 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)
/ k5 x& Y& q# p. G - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 A) E- n, i' W- X
- 4 o' k; f2 C7 ?: I) e
- Track_Enemy_Index = $6000
- o) N- ^9 H+ o* [) `- ~/ ^. a1 u - Enemy_Index_Begin = $60109 V k- v2 u$ ]6 G& T
- Enemy_Index_End = $6011
' b" B6 x. ^' t3 A& h
0 n( A1 f- O6 ^, H) K" M- Loop_Index_I = $6012
( N& c( E3 \% m! U3 {6 T - Loop_Index_J = $6013 N' E/ K' G( I% K9 l- ~
- nEnemyIndex = $6014
. p) T4 W- B' X) ~9 h5 a - Data_buffer = $6015: X0 T0 c- ?* V2 L/ _, c* \5 q
- 9 i H$ V1 R+ c& l6 d9 F/ y. r
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标" g7 u2 @3 y) E
- Bullet_X_Pos = $03C8 ;子弹水平坐标
8 Q! a( X# F' o6 W/ P$ Y0 e3 J, y - Bullet_Y_Speed = $03F8 ;子弹垂直速度/ f$ G2 P& X" j
- Bullet_X_Speed = $0408 ;子弹水平速度
" j! z. Q* H2 H& i L! n - Bullet_Z_Pos = $0418 ;子弹Z坐标
( d! X5 g s1 a8 y$ ? - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P/ m4 O2 V* S2 j2 o, b6 I
- 8 r3 v; {! ]% r A
- 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
; S" G9 b9 l- [, T. a - Enemy_Blood = $0598 ;敌人血量
* |! Y7 ^( O/ _: R- Q6 ?5 a - Enemy_Type_Addr = $0528 ;敌人类型
* v$ R5 D: t8 u - Enemy_Blood_Addr = $0578 ;敌人血量$ Z# E; h! ?* W
- Enemy_Y_Pos = $0324 ;敌人垂直坐标, {/ n( S2 v/ ]# C" z0 d
- Enemy_X_Pos = $033E ;敌人水平坐标
* ~' q) |8 p7 u9 Z - Enemy_Y_Speed = $04E8 ;敌人垂直速度5 [. ]0 b( { J5 h: G/ Y& H0 t& |$ y
- 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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* ^! w C1 n2 r8 a C1 O- Enemy_Index = $83 ;1 L. R9 y$ V2 z9 Y/ _
- Time_Count = $1A
/ e% x/ x6 a. a3 @3 n9 W, X# a - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率& K0 I' {: H6 z1 q) L( j
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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# B0 M) A& d) k/ A& p- ]" Y6 u- .ORG $6100
% \: g9 b" O+ M6 r! A' z - Process_Begin:
" O/ C1 d2 ]3 @1 | - JSR Enemy_Check' L) y! C4 o* R4 J
- JSR Track_Enemy_Check
. M0 z1 u1 ?! J. [/ J# C E- s - Process_End:
Q+ A8 c4 z. _" C6 b4 u" S - JMP $E54F
0 k+ @# p9 A3 ~& a+ l1 Y - & R. k# b6 C6 j- a* p. |
- Enemy_Check:
' J0 _2 F; r! | J S6 @* ]+ O+ O - LDA Time_Count
- E9 Q; M- `# i - AND #Track_Bullet_Speed
& Z l3 |' L1 y' O2 v1 ~! d - CMP #Track_Bullet_Speed* T6 n. w$ X( H$ c+ M. b1 N
- BNE Enemy_Check_End6 F* {8 J) r/ }- k+ |, E8 W
- LDX #$0F
* R) v; }+ @# l2 q4 Q: Z - Enemy_Check_Begin:' v9 R% d7 y9 g$ |- @5 O" M& Z
- LDA Enemy_State,X
2 F. \8 x( }- \$ l7 w- P1 s1 Z - BEQ Enemy_Check_Continue- ~) [3 P$ `6 O& v0 C! o
- STX Enemy_Index
+ W# k. W! z& B; ?2 L - JSR Find_Begin_Enemy' a+ ^. F m/ y: @& J0 c# ?
- JSR Find_End_Enemy
( {8 k9 [, v& W( L. R( Q - JSR Bullet_Track: C4 V9 `; `. q$ b- B- s7 x# B
- ' C2 I2 m" I6 W& F0 b
- LDX Enemy_Index
# Z# N2 s6 i; r0 ]: F- R4 R - Enemy_Check_Continue:
) z/ l7 W. M; D- u; i9 L - DEX
1 R, w8 I: O; P$ T; R% z - BPL Enemy_Check_Begin
. m1 {/ S1 i2 `: V. [ - Enemy_Check_End:
; s0 d! w% q# z7 k. m2 f! s - RTS
- [2 }; k' A4 P, J' l+ E -
( }. S+ T K0 O( e - Track_Enemy_Check:
; {: e9 a b* h: | - LDA Time_Count
' `% u' H6 _# ?$ C' E - AND #Track_Enemy_Speed# {. k% Z- B& o% M
- CMP #Track_Enemy_Speed* r+ l/ H" B0 r2 O4 P
- BNE Track_Enemy_Check_End1 I9 R+ c, Z5 D
- LDX #$0F
r# _& W5 m- A- P( a2 l' i2 M - Track_Enemy_Check_Begin:; V8 u, W7 M3 w
- LDA Enemy_State,X: f/ b$ ^# [& ]1 s, h* Q0 s
- BEQ Track_Enemy_Check_Continue& r6 V6 c* p$ h6 e* v+ ^& n
- STX Enemy_Index. a% i6 w9 P# ?9 Z; N8 w
-
* w* b1 s; u7 R# T# a - LDA $40) O$ g$ ?4 C0 e* C4 |' M n' A0 N
- LSR
9 Y7 p# T% \2 {* i$ Y& }' \ - BCC Track_Enemy_Check_Begin_L1
8 R8 B4 ]# M6 O1 T0 ?# p: R - * h7 f. i+ c( I1 n6 \
- JSR Track_Enemy_Ex ;2, 4
! Z. c9 a8 P+ ?" [ - LDA #$00& A; P3 u; o% O9 s0 U0 {$ ]
- BEQ Track_Enemy_Check_Begin_L2
+ I' F1 D5 C2 `9 Z' N) u -
% ]# p% B8 k7 G2 ^# q4 G# {) i/ C - Track_Enemy_Check_Begin_L1:1 }: Q; n# X8 }5 [9 E" O( r
- @$ H/ z9 w4 ^; O" }* H( O9 u
- JSR Track_Enemy
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- Track_Enemy_Check_Begin_L2:2 b, ^ M8 q2 a
- & Q4 ?! H$ b1 p7 z+ l0 E
- LDX Enemy_Index. J9 q% \ w# n+ Y+ {( L3 ]/ B
- Track_Enemy_Check_Continue:
- _+ j" R, N) I; I8 J - DEX
8 ^/ L! o& c9 s$ V" D+ C: F# a: l - BPL Track_Enemy_Check_Begin
( G' O+ n" j; x& ^4 H- P - Track_Enemy_Check_End:
8 ~# v3 g* }' ^* a$ U& B - RTS
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- / Z* b* J* H2 \' S, r
- ;查找第一个敌人
, V) y1 d! a4 j6 U& Y% r. w - Find_Begin_Enemy:5 w, ~5 I) e2 j C; s" A
- LDX #$00
! V4 \0 J/ _5 G3 w( _( d - Find_Begin_Enemy_Check:
& k; D, `' q/ g - LDA Enemy_State,X7 l: ^2 M# w9 l4 w/ S
- BEQ Find_Begin_Enemy_Check_Continue
! L2 j. V5 j; G+ o8 Q% T - LDA Enemy_Blood,X& A5 f- n9 o8 \' B3 w
- BMI Find_Begin_Enemy_Check_Continue
% z( g3 N% r' e8 G4 V, e2 G - BNE Find_Begin_Enemy_End
+ D+ P; M1 r% W1 o - - X7 y L' H% g0 A7 T) g, h6 p
- Find_Begin_Enemy_Check_Continue:
& v8 [9 p1 ?( F' h$ r - INX
0 O) ]' H! A3 t! q - CPX #$10
3 i+ H7 @' _. m3 H- l - BCC Find_Begin_Enemy_Check$ L# ^6 `* X6 [+ K+ q( D" h
- Find_Begin_Enemy_End:
, w% Q' T: T9 A - STX Enemy_Index_Begin; `3 [5 Q" |$ Q/ N
- RTS! ]0 t1 h, Z/ u
6 {2 \; N0 X" M0 E1 B- ;查找最后一个敌人: @- L) \* ^( ]4 F' n
- Find_End_Enemy:
% r( e6 J1 r9 Z& E+ [, J+ D - LDX #$0F
n1 T" B" C/ q6 N1 L - Find_End_Enemy_Check:7 B% c' O ^2 p! w; e: \
- LDA Enemy_State,X4 [, K1 [3 O6 ?1 M
- BEQ Find_End_Enemy_Check_Continue
2 S8 E. }+ Y( A& R& G - LDA Enemy_Blood,X/ B: f5 R% {$ P/ P3 O% _' A
- BMI Find_End_Enemy_Check_Continue( p3 e4 a+ p& c
- BNE Find_End_Enemy_End
$ S0 e/ i0 c, }$ u -
9 D# n* E/ {* R/ V% l9 L, M: M - Find_End_Enemy_Check_Continue:
3 w% S7 h8 \, L6 ^+ s - DEX
7 x$ L% ^' q6 K7 p; k3 }$ ~! ^ - BPL Find_End_Enemy_Check
0 S( Z" n, M% p" y - Find_End_Enemy_End: @' K8 c0 G3 V1 S5 `( E5 l# R
- STX Enemy_Index_End
7 ], }: N T, Z/ ~8 ~/ j - RTS
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6 j- d3 x+ X: j! a7 T! y- ;子弹追踪; p( o/ b- z7 W: f6 ]0 l: T3 E+ ]
- Bullet_Track:
( }$ |; L9 L4 G# Y. |# f v - LDA Enemy_Index_Begin- A. T* q( u' y7 e0 O1 u
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;% k+ a \/ z: c, ~1 X, L3 {; a
- LDX #$00 8 ?' u% r3 {& I+ O/ i' P5 D
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++), N+ Z6 Q# p/ q C3 t* P
- LDA Bullet_State,X
. @: J% m- ~) B3 p6 U/ x - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;% S" R" i# o. M3 z9 \& P8 q
- STX Loop_Index_I
5 v0 l( ]9 L% l" H# l( d -
, j; I2 u3 l$ q2 B - JSR Bullet_Track_Enemy
]& K& Y5 q: G* I2 ] - JSR Bullet_Tract_Direction
# s7 Y* z, N+ P2 X -
2 G I3 |9 z' F5 u3 A - ;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! j( p' P' A7 H) C$ S/ r
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;6 ~) E( C( l5 n4 T; D9 _- z( ]
- LDA nEnemyIndex- [* p5 X0 E, B6 B. Z0 Q" \+ K
- CMP Enemy_Index_End
/ Q& [* r& z+ b7 r/ e/ W$ e - BEQ Bullet_Track_Check_Continue, A# u5 J0 |! {. w
- BCC Bullet_Track_Check_Continue! R( m5 `9 f0 o( E" a
- LDA Enemy_Index_Begin/ R; I$ j0 q' q: ?9 F( F* r
- STA nEnemyIndex
0 o; n, [3 T: q* F: m% u! F- `' Z0 } - ; i. b/ n1 @2 U$ e/ w
- Bullet_Track_Check_Continue:: L1 B1 X0 o& l1 R/ m
- LDX Loop_Index_I6 n: Y! V/ v5 F# [& b; K8 O) v, }
- Bullet_Track_Check_End:
/ [* i% G) i: k4 Y2 a; q T - INX
' c( k. i2 A& Q2 a5 n& d& k: g" w' m - CPX #$10
% @4 l- J( ]2 E" W - BCC Bullet_Track_Check3 p: z6 c( }+ E, w
- Bullet_Track_End: t5 s6 R- ~& k. k/ S
- RTS8 D$ p7 I B/ q5 B1 E5 T8 t
-
% D3 | Z# w# a - ;给敌人分配子弹7 r/ A) w5 J" ]- I/ M- W
- Bullet_Track_Enemy:2 ?0 a$ C7 ^' k7 |7 ^& p5 h9 Y
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)+ i& M+ m( V& T
- Bullet_Track_Enemy_Check:
/ ?; L$ v+ Z, X( `) O - STX Loop_Index_J1 y: p1 A! Z% m
- ( D. k' K+ Y5 m' D& G
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
# P% H1 J+ m2 l& c - LDA Enemy_State,X1 A4 A: o4 j, V* J- b } E
- BEQ Bullet_Track_Enemy_Check_Continue
# y* {- S2 [/ ?3 _$ f1 s% S - LDA Enemy_Blood,X
7 y8 A! U' ?7 w& f4 x3 v- g - BMI Bullet_Track_Enemy_Check_Continue
1 @5 l8 Z$ `) j- L% ^% m - 1 ]/ E! ]. r( T( ~% m
- LDX Loop_Index_I8 x3 r. d1 U4 T' p
- LDA Track_Enemy_Index,X5 N: E3 L \* W2 ~; Q% R- y6 C
- CMP #$FF& f3 m% V3 q! Z: W
- BEQ Bullet_Track_Enemy_Init: O5 q5 w" f( K- }6 O3 }
- " V. [7 ]7 J! X; P+ T
- Bullet_Track_Enemy_Init:& H, G y) ? `4 b4 g
- LDA Loop_Index_J! h4 K9 t! w- y) e! R
- STA Track_Enemy_Index,X ;nTrack[i] = j;
+ Y. A& L7 i% ~9 _! N -
, y3 p( p0 |7 r0 @! ^7 e% ~4 v+ I - STA nEnemyIndex" V- R0 u4 v( y5 e% K2 A& e6 h
- INC nEnemyIndex ;nEnemyIndex = j + 1;/ w$ q8 A' _! ]) j. ]. K' k8 U% Q% n
- RTS ;break;: J6 F. b' W; o+ D8 s
- - S1 u2 ~" _% ^8 E. z3 d
- Bullet_Track_Enemy_Check_Continue:7 b; I1 g/ Y0 o+ V' _' P+ f+ Q- Z
- LDX Loop_Index_J
9 Y* c5 i9 Q: h, N5 q7 e - INX ;j++5 I& [+ k. i. } z8 w+ v& h2 I
- CPX Enemy_Index_End
6 E4 | H& k N8 p - BEQ Bullet_Track_Enemy_Check- b' E. ~) j( c7 G; U7 j) M
- BCC Bullet_Track_Enemy_Check6 P6 }6 i$ b4 R. M3 P( n
- Bullet_Track_Enemy_End:) c, M9 A7 `( h
- RTS( V! `2 ^ D3 P& q4 J1 m" P
4 S+ I# e7 Z! X+ A# d- Track_Enemy:
' Q3 q- {* _" o - LDX #$0F
6 ~$ a3 a0 N. s - Track_Enemy_Begin:
) E. S2 s- p. g- E- w - LDA Bullet_Icon,X
% I( i. c9 Y5 l4 u - BEQ Track_Enemy_Continue L& C0 t [: A v
- LDA Bullet_State,X% j* I+ U+ D- J9 ~7 `
- CMP #$01 Y9 r6 I+ x3 Q5 G, ?6 ^# Y$ B
- BNE Track_Enemy_Continue
( J \8 @! w: t! _% ^* x - . S1 T* N+ O& Z& q: Q/ r% q i
- JSR Track_Enemy_Process. S3 `# L. ~7 l9 N3 w( q# s
-
. T$ K8 O3 M, s8 U S8 m' m - Track_Enemy_Continue:
- ]! M v3 f* T* p4 _7 M3 T - DEX
& _6 B) r i }5 ` D7 S! A$ G - BPL Track_Enemy_Begin
* Q+ g7 u! l5 I! r - RTS/ c' T1 ~( @6 P- E2 n$ w1 s
) ]/ C3 S- z7 y* p1 F- o- ;普通关卡
- j) C V/ B; W \; {6 b, R1 z. V - Track_Enemy_Process:
( ]6 z; E( x) r$ o2 N" A - LDA Track_Enemy_Index,X
7 }' Q$ j. u+ G4 Z+ z& u2 \ - CMP Enemy_Index
0 k$ }2 ~/ X( R - BNE Track_Enemy_End
, J Q0 x& K+ h/ w) a9 i3 T* A - LDY Enemy_Index/ a3 {2 W; q2 N' N9 y# x$ t- F
- JSR Track_Enemy_Y
x6 a* f9 E. `2 ?3 s/ r - LDY Enemy_Index
! e( U$ A3 L) Q6 P8 p - JSR Track_Enemy_X7 \ D' K( p& c9 K S0 V
- Track_Enemy_End:( m& c, S: `9 U# ~6 |
- RTS" C/ n# N: y6 Q6 }" ^& \
- 6 p/ O7 @# h" v- d& U3 H
- Track_Enemy_Y:7 J- j: a- L1 v3 R
- SEC5 C; A+ g) \0 ]' e
- LDA Bullet_Y_Pos,X
0 I, \% P; [* r* a - SBC Enemy_Y_Pos,Y5 k' ]0 I6 l) O7 S& J" r
- BEQ Track_Enemy_Y_Equal
4 o/ w$ p2 C! t0 c2 P A; i - BCS Track_Enemy_Y_Greater
( S8 s4 S S9 k' P; x -
/ N5 j! a1 `; U - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
- l7 O5 w: ?% d, l* @! t; `) ] - CMP #$FC
9 y) W0 \7 w6 U - BCC L1_1; I! O, _. W( o$ g2 {8 h
- CMP #$FE/ Y: Q0 k* q& `* ~, b5 N1 }
- BCC L1_2
; `" q# t2 u9 V- {7 n' K - LDA #$00/ O8 J7 F- f% E/ Q1 l8 L7 c0 L
- STA Bullet_Y_Speed,X
* E8 g9 n8 C* C0 v - RTS
4 I% J- E3 d L& K$ j, |: ~: ? - L1_1: 0 @1 T- X& z# T) T" l3 }. a4 q
- LDA Bullet_Type,X0 B0 n/ E! g2 Z" O2 v c+ M: |
- AND #$0F7 J, f9 y1 g% B* G; [4 Z7 f: x T
- TAY" x/ r( \/ y+ w* h5 T5 C
- LDA Bullet_Speed_Data,Y2 f1 o3 p, _. l9 \( g( K" j5 D( X
- STA Bullet_Y_Speed,X/ P/ k& y# V8 z) h8 G Q) t
- RTS
- C( F7 r/ F4 g2 R
3 V2 i# _1 _: Q2 _* L- L1_2: % q9 n- D! a; b) Z; d' n, x' h
- STA Data_buffer- f: b% O9 B2 H
- LDA #$009 t* o4 A3 q; Y2 x
- STA Data_buffer/ r2 ?$ m6 c. u, `5 L( a
- LSR# s E2 D1 b; I8 P8 N4 x4 {
- STA Bullet_Y_Speed,X
, n9 }* I; F5 H* ? - RTS8 M9 l7 b* a4 {% o) c
- , k" U4 J3 g6 h# T' \) L; N
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
. G6 b3 |( O6 P8 I" f0 N& L* I4 H, D - CMP #$04% M" f2 w$ G6 c! _5 H1 m
- BCS L2_1, x& x- i1 q, @+ u) \ a
- CMP #$04
( ^9 Y) m' G, o+ x/ V! [, [ - BCS L2_2* K+ o% i- L' H/ Y! Y
- LDA #$00
9 L) @& Q4 Q. } [ - STA Bullet_Y_Speed,X1 k6 v; c l9 L/ U w" i
- RTS% Z6 H$ N3 E3 e
-
, f. U7 w- A1 q) j: M' ~, @6 ]& _) L - L2_1:
3 d4 o g( P f' x; S% |& m# E - LDA Bullet_Type,X
- z: L: R* a; ]' J - AND #$0F
# M9 M1 x" z! U/ h - TAY, L }+ _8 M$ h: N2 u6 o$ Z1 \( Q
- LDA #$00
i* e; y6 k- k+ _ - SBC Bullet_Speed_Data,Y
# q2 p' O& P+ q; a6 v8 W - STA Bullet_Y_Speed,X- t9 O/ t1 ^6 l T% n
- RTS
5 K/ m6 [+ h' H1 X e, U - " m K I' L, k0 @6 N0 f
- L2_2:' d& X7 K- R4 A, _+ k6 X z0 Z
- LSR5 w, t, C$ a0 v
- STA Data_buffer- t+ }* c$ p9 E" p
- LDA #$003 N1 f# p% f8 s2 q/ _0 w7 V
- SBC Data_buffer
7 |8 l) H& T6 R% @) {5 V. ^ - STA Bullet_Y_Speed,X
' S x j* T- P - RTS8 w9 S; [& u9 ^2 b! m/ `
-
9 `& [& K; u& p! ~1 B* A0 c- P - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y' j- w' V2 S! A4 A
- LDA #$00
+ n& o3 x2 @% l- o$ w5 Z - STA Bullet_Y_Speed,X
/ I3 }$ x0 g% _, C) b, B7 h - RTS
. c) i" R$ A0 O, { -
5 l, w, k: s) L+ ~7 G7 O3 R - Track_Enemy_X:# ?: U+ W. i: |+ v2 `2 s9 o3 Z% E
- SEC5 F3 t; S' Y, ~! v2 ^% w
- LDA Bullet_X_Pos,X+ ]& }+ ?- M; O. Z- e6 N/ k
- SBC Enemy_X_Pos,Y
2 t5 i4 X7 |. l/ U - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
. t* i- T( i8 h# d; c0 ~: e3 Q1 s/ a, { - BCS Track_Enemy_X_Greater ;子弹在敌人下方
' y7 O8 H* l: I2 G4 q @ g - # T: o( J0 [6 S5 K
- Track_Enemy_X_Less: ;子弹X < 敌人X. k* ~' `* g: d+ x# R8 g/ M3 M
- CMP #$FC
) L0 }, W- K1 Z" Y) p - BCC L3_1
4 a9 h- w9 {# n( {; y7 L - CMP #$FE0 A# ] G, Q- P
- BCC L3_2* I! a# E, n2 J* F! C
- LDA #$00
1 J6 ^" P6 D b7 F - STA Bullet_X_Speed,X
' F2 N% U0 u" p' |9 p - RTS
' I0 _$ O. b+ G3 z - L3_1: 0 Z" L1 z! {# h
- LDA Bullet_Type,X
) S0 y' L9 |) v9 K1 W! ^ X. d9 q - AND #$0F% A! W5 g6 | `; j1 O1 }
- TAY
* i" e' } _' I0 m - LDA Bullet_Speed_Data,Y
( I. ]4 l" |6 k7 Q - STA Bullet_X_Speed,X0 I2 h: i8 f- s5 s/ H) I
- RTS
) z! j" |" A7 i" a2 A - L3_2:
, n+ l2 R$ J1 p' h - STA Data_buffer2 a9 T" l3 \% L/ `) @2 }: G
- LDA #$00! S9 T1 w" D# g a D/ x
- STA Data_buffer7 v& s) }' d$ s4 N& I4 L2 D
- LSR
, ^' ?4 r1 ]$ F. _% m% ^/ R - STA Bullet_X_Speed,X
! Z, N2 O# |; _5 W - RTS" f6 Z: E- `0 G; i/ V/ ?2 M
- * }+ \' l, a& E+ Y1 N
- Track_Enemy_X_Greater: ;子弹X > 敌人X& p% [, H) o( c8 V7 y: U/ A2 d
- CMP #$04
+ T) a, s- Y4 r7 W, V - BCS L4_1
g% B6 v& [' } Z3 Q, A - CMP #$021 E# P8 W5 }' ]. }
- BCS L4_2
0 Y% q2 g! e8 S1 }6 o* H; |' F8 l - LDA #$00
! x; V' X; ]6 U2 D. D% _" b - STA Bullet_X_Speed,X
6 x; g, t m& X' S# U$ a - RTS
% b8 Y! B8 K" s* j0 K( k" n& Q -
4 @, k8 R E1 q - L4_1: 0 m5 Y, d9 R. h5 o
- LDA Bullet_Type,X$ e8 ^" s6 k9 Q0 I' ]: x# h
- AND #$0F U; o, M9 }: ^ X4 J
- TAY
& W& x y' q ^/ C( C- [! p4 J - LDA #$00 t! w, x, K! m3 F% w& S
- SBC Bullet_Speed_Data,Y
/ ]0 X0 n; T( M) i - STA Bullet_X_Speed,X
* {+ W' B- T& r; O$ y6 X9 k% d - RTS
3 J: x* K8 a2 Q6 Z- y - L4_2: ! }; Q$ K. X9 x+ l
- LSR# K" |5 j, J0 [: U7 S6 i/ G6 e: S
- STA Data_buffer0 r1 u1 t& b @8 q
- LDA #$00
1 @6 `/ W+ Z, p, c - SBC Data_buffer0 v9 x& r" x# U
- STA Bullet_X_Speed,X6 U2 ]! [0 d2 q
- RTS: h& Q( |! I4 I& `
-
) P/ M5 z5 [* I. h8 V: a/ h& n! {. J - Track_Enemy_X_Equal: ;子弹X == 敌人X( d8 t1 B* K+ [9 \* x; H, k
- LDA #$002 X0 M g& o* o- d& y/ P1 v1 T5 o
- STA Bullet_X_Speed,X5 L1 w3 ~+ b( M) i
- RTS6 A) k' H e5 f5 U, T! [' c% m
- ! m- \- O+ t0 ]! m" Z% A
- Bullet_Speed_Data:
3 X4 n! o* X6 p) l - .DB $00,$03,$03,$02,$03,$03% C* @5 J: a( Y: P$ f _- h: M
- / I6 z- ^' G Y. [
- ;2, 4关( P+ g" N# S; @" C/ y
- Track_Enemy_Ex:
4 Y/ s4 l% U1 _) I+ o - LDX #$0F
4 a, S/ {8 B! {3 B - Track_Enemy_Ex_Begin:
4 W' A4 ~( {9 i9 ~8 e - 0 Y7 [- A. O- E5 z; h* J1 J+ v
- LDA Bullet_State,X
/ U7 N4 m, C6 D4 d& ~) p - CMP #$01
4 K- A$ d1 E7 l - BNE Track_Enemy_Ex_Continue" L' |* X1 S) r* |$ ~
-
+ y* I- u/ e+ m) x - LDA Track_Enemy_Index,X
4 a5 l# @( n# s8 F- a - CMP Enemy_Index
* z3 ~) F, @$ T* b4 t4 \ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标9 Q1 o3 g# c: G3 x f4 O$ R
-
8 ]$ H1 v: l; v* _6 p/ V% ^ - LDY Enemy_Index
9 n4 R& j* [! p( T X+ T - JSR Track_Enemy_Ex_X
: s' h8 r. O& {+ r G. w: E9 I -
$ M, |4 j Y5 F+ z; | - Track_Enemy_Ex_Continue:
$ w' v4 T0 A# z; N6 } - DEX
$ }- Y# u( Y6 U - BPL Track_Enemy_Ex_Begin
9 R" S" o) E4 h - Track_Enemy_Ex_End:
/ [! ~, S- c& V F - RTS
1 ]' e$ Z) L5 b; K2 a) A$ w7 N - 5 q. S1 M/ i+ a$ }( @% b
- Track_Enemy_Ex_X:$ C$ n. i9 e% y
- ;LDA Bullet_Z_Pos,X
K9 S( a" B' f7 [- f1 C - ;CMP #$04+ f, B# F3 J( s+ J; G) {& ]
- ;BCC Track_Enemy_Ex_X_End
) A" g+ t: Y9 O4 w - SEC
( k+ P# k. I' s' C% F! i - LDA Bullet_X_Pos,X1 k0 C4 _- P! ~0 @+ @! |
- SBC Enemy_X_Pos,Y* A" Y/ X( i9 N4 w
- BCS Track_Enemy_Ex_X_Greater
+ m3 q5 K, s- |4 j -
: t: F$ n# o* w" ]! r* R - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X, C o3 ^/ s3 `6 _- J
- CMP #$FD+ ?+ ^, M- | X3 C: Q% a' Z
- BCS Track_Enemy_Ex_X_Less_End: t' E& S& ]2 J
- LDA $6020,X) K0 n) b; M# G* ^
- CMP #$2A. v; K: |' Y; i
- BEQ Track_Enemy_Ex_X_Less_L1
! {+ Q7 k: F3 D! [7 a - LDA Bullet_Z_Pos,X" D: ~1 C/ O4 O Q, s9 J9 P: ^
- LSR
, Z! ~$ i: f% P# a+ ?* \ - TAY; ^# {& t3 b: W# [7 Y k; O' B2 d, M: P
- LDA Bullet_Speed_Data_Ex_R,Y
X0 @, G- u6 H0 s$ i+ T! j0 \ - STA Bullet_X_Speed,X
8 T8 E% h9 T3 E# i+ \ k' \$ ~ - RTS% T: z* q ] H* V( n* X
- Track_Enemy_Ex_X_Less_L1:' E" C/ a8 B2 n) m7 M) e
- 2 r3 n4 K* o1 I' d" s+ s
- LDA Bullet_Z_Pos,X% b/ F2 Z J& ~9 L5 j
- LSR
& V' N {# w5 _/ p( L. t - LSR2 `/ w, f" s* y! }3 i5 A
- TAY) o/ L9 \% b+ y* I Z$ a4 D
- LDA Bullet_Speed_Data_Ex,Y2 `, F, c# _2 P- R0 ?
- STA Bullet_X_Speed,X. ?# H1 R/ j& Y g! k1 a8 i
- RTS
) R" \. j) S% V' y/ h( L! f -
! s: J- B7 b' I( i* k1 T - Track_Enemy_Ex_X_Less_End:
I& W3 [5 ~- U. P. @2 U( w - RTS
8 p: K# C1 l# s, B6 x
, d0 r0 v4 \. y5 V2 n- s' m- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X- M2 S" u8 ?4 i6 U9 n$ `3 V' j: X
- CMP #$03
1 K% M& Z" {) u - BCC Track_Enemy_Ex_X_End
. Z2 z" ]) ?6 |2 D$ x' u - LDA $6020,X0 {2 m/ \/ U4 Q+ r
- CMP #$2A' c9 b+ K( V3 n$ x9 \1 I
- BEQ Track_Enemy_Ex_X_Greater_L11 f% r: F4 K$ O
- LDA Bullet_Z_Pos,X
3 p* U5 _: k% X, h9 F - LSR7 R& x" c, t9 h0 T
- TAY8 S9 |* t v$ E' H- ^ B+ V
- LDA #$00+ r% z, \( f, |6 ]
- SEC
# X0 x5 m, e# A - SBC Bullet_Speed_Data_Ex_R,Y
2 @# b" j$ c; f4 K {+ i& X - STA Bullet_X_Speed,X& k+ V* ]" E: L
- RTS
3 j- K% l) w$ l9 Y2 U0 w - 3 ~) f' M+ x w" T- _- ?0 [
- Track_Enemy_Ex_X_Greater_L18 p% x5 w. m8 S- x2 l; Y: ~
- LDA Bullet_Z_Pos,X
0 }& w6 E) h) d& v9 X1 @. f: \ - LSR
) |# O/ |+ t w2 o: K. F - LSR1 I3 [ ]0 j/ |7 J8 W! j% A
- TAY4 g$ J; L# ~+ z
- LDA #$00+ I4 a/ K' N6 b; V3 p
- SEC
" _9 ^, C5 ~5 W9 t - SBC Bullet_Speed_Data_Ex,Y
; y& C$ H" i# k - STA Bullet_X_Speed,X! ]3 f) c# @1 \- R7 i7 Z( O
- RTS
9 l5 A5 I3 x0 H6 m4 E/ m - # h$ d7 ?' p# I5 G, M/ {
- Track_Enemy_Ex_X_End:
$ [- s3 w3 s G - RTS
* R% Q; X" F0 J9 c1 S/ G! q -
$ Z9 H, H3 ^" a - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下), ~* p: ]. E+ P. `) ^
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上$ L! E# I$ d; a7 i
- Bullet_Tract_Direction:$ r& \2 @' G9 f$ ~1 U% i0 U
- LDA Bullet_Icon,X
# d' ] a5 d# `- W2 R3 `! ?' c$ t% k - CMP #$23
: D9 G; ]5 W: D$ { - BCC Bullet_Tract_Direction_End
* P$ P1 Z( i3 i% U) x - : i T- Q: V& M& C$ _) r# k9 s! v
- ; X != 0
5 E. ]; a* Z+ v" g7 n" i - LDA Bullet_X_Speed,X
+ m" R( }: G5 s - BEQ Bullet_Direction_V) N6 t. s- C% O W5 [0 i7 Q
-
1 K& B1 k% v7 [- o - LDA Bullet_Y_Speed,X1 g+ o. F2 Z0 I0 ^
- BEQ Bullet_Direction_H
2 Z# U9 D: s, m: C* o( V - 2 r& [6 @. n" B; |
- LDA Bullet_X_Speed,X4 n: W6 J$ g4 |4 v" x+ P; Y& O5 t
- BPL Bullet_Tract_Direction_Right
1 _. K* Q2 ?1 Q; v: }) u - Bullet_Tract_Direction_Left:* U9 k+ ?9 R6 i% J
- LDA Bullet_Y_Speed,X, r4 T4 U- B2 o5 t R
- BMI Bullet_Direction_Left_Top
]+ P" P* V* X0 e; V! z - BPL Bullet_Direction_Left_Down" G3 o9 E4 ~; c0 d6 t$ u
- Bullet_Tract_Direction_Right:- u% ^" N0 s& M3 [) H
- LDA Bullet_Y_Speed,X2 T6 o: h! s7 r0 h5 [. y* H
- BMI Bullet_Direction_Right_Top
. B8 M7 m3 i3 w& c( @8 N' i; e - BPL Bullet_Direction_Right_Down
/ ?2 t8 g& J+ \, W( d - Bullet_Tract_Direction_End:
. Q* o. n* h! p" j - RTS
( \) v4 w+ Z8 Y2 K. H- ]6 U% M1 b0 V - * S. G' B2 T; Z7 u, l4 J
- Bullet_Direction_Left_Top:
. q# a% z' y N4 ~! @ - LDA #$258 A4 N1 W/ h& @) X& g. c
- STA Bullet_Icon,X$ x2 R1 X# m+ J9 l( A2 D& e" F
- LDA #$C0( O: F+ n @7 I# Y0 b
- STA Bullet_Direction,X! }; V$ n! _7 _: `
- RTS
% x* c3 L1 z% O3 x
- A, k$ m2 P: M* _3 ?% n' x- Bullet_Direction_Left_Down:
4 U$ H j3 _% \9 | - LDA #$259 J: K% n* G. I6 e" h6 o
- STA Bullet_Icon,X
+ ?# I2 v& ]$ e1 @ - LDA #$40
0 ^: _" h6 f" G' J - STA Bullet_Direction,X
* O m9 P+ L0 f: ^ - RTS6 c0 y: n; E: h3 |7 \* t4 J
. ~! `( \! N) B0 @( ?- Bullet_Direction_Right_Top:& Q, `; P$ u7 j
- LDA #$25
5 j+ ?4 j* K+ P5 R - STA Bullet_Icon,X6 J2 B% B, x* L: g# C3 x) w
- LDA #$802 A9 V' i5 D G3 \4 S( c
- STA Bullet_Direction,X
' l' P, C! e. r0 J - RTS5 j+ @; ?/ w5 G: F6 x' u
- ' q: o. o6 I9 d1 b* m4 P; o4 j
- Bullet_Direction_Right_Down:) I& G& \" O" d# f
- LDA #$25
; Z4 d. h" u; a3 D D - STA Bullet_Icon,X. J: i# ^# e9 `
- LDA #$00
+ K8 g( Q! i/ C5 |8 ~9 P - STA Bullet_Direction,X. F4 k; \( e" U$ |
- RTS( \$ t6 T0 |0 W( {0 N" o
- + B" a0 o0 }$ |+ p
- Bullet_Direction_H:
; p* {, ?; V1 e - LDA #$24& O/ r4 H- f, H4 D9 b
- STA Bullet_Icon,X( |" f D0 D& H" _9 O+ X
- LDA #$00. y* d5 h) V& G1 B9 r3 P2 _. A5 ?) k
- STA Bullet_Direction,X
- `. i- o6 }* e# y% t - RTS
1 W2 W- S0 `2 T, o4 Y8 d' i - % w$ O# k. `( q( ^: _
- Bullet_Direction_V:
5 d! P$ U7 a4 D5 J' T - LDA #$23
: b w3 P& R2 m3 o* N - STA Bullet_Icon,X
4 b! p3 Y/ |2 [; }+ K- a7 ~( k - LDA #$00, z* {9 E g- G# }
- STA Bullet_Direction,X0 N1 K' M8 w3 A
- RTS/ w3 Q1 ^/ }2 x4 T: o. c7 X
- 7 {' f% k7 A, y( ]0 P& ^) G _
- Bullet_Speed_Data_Ex:. U) q6 F' k5 B# k
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
" x6 ], `" ^' e& ^ r - 0 {! {* \* o& _: e
- Bullet_Speed_Data_Ex_R:
, J) u& P/ Q. A - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
7 s( z4 k; R5 ?. R -
复制代码 ; y! Q v* T5 i# L. ]( a& J( Z
% t! f7 F8 J, k, r+ B
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