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[FC][魂斗罗][J][追踪弹]
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$ ^; D( K' w' C9 X时间:2023.04.305 d! U7 ?0 | G( N0 Q" N4 ]
作者:FlameCyclone% O2 q' L5 z' H
内容:
2 Y( z, ?$ q \+ V$ t 1. 所有子弹追踪敌人/ e$ m* Z* y. o/ S
2. 选择键切换武器
/ _0 ]6 l* b0 b( G- K 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* [. v6 Y. ~8 X" W% Z' L! }
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flamecyclone.ys168.com1 l9 P1 ~7 y" J- p- @* l& M
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
3 [) B8 b% D0 m- B$ Z+ k - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L {) t6 U g; z. C6 Z+ [
- 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: U0 ~/ d3 B' x1 T# e
- # A) D0 ~& ?* C
- ;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)) _- Q0 _+ x* R5 Y" `
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
& \$ U5 D/ b0 v8 L
2 q C6 [$ w* i5 y- Track_Enemy_Index = $6000
) `3 l D% R+ a - Enemy_Index_Begin = $60105 X$ Q( \5 {" E4 z9 @; N- s
- Enemy_Index_End = $6011
: U- R" g# V; X0 ]5 t3 v. F, }; S& u+ y
- h T( D) I! Z. K; Q# n- Loop_Index_I = $6012* e8 |' P5 e6 k, s
- Loop_Index_J = $6013
$ W7 F8 ~8 }4 K( j# ` - nEnemyIndex = $60140 P' _8 j8 i$ V" k- `* _
- Data_buffer = $6015; p0 F0 |8 n# g& X
7 e& f& t) d/ q- Z* U- Bullet_Y_Pos = $03B8 ;子弹垂直坐标9 y# e7 b8 q6 }1 k1 S; j+ G+ \
- Bullet_X_Pos = $03C8 ;子弹水平坐标 R( k9 M. K( m ~' @
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
|/ ?# I" o2 L+ b' S4 }( ` - Bullet_X_Speed = $0408 ;子弹水平速度
, y+ E+ w! _6 u. s+ ^ R; ~3 I - Bullet_Z_Pos = $0418 ;子弹Z坐标
1 U+ t+ h4 @, k - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P; `* w1 [* u6 E+ n8 X o B' u! u
5 ~1 b+ f' w2 k" `- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸0 n$ F% N& s# L; z
- Enemy_Blood = $0598 ;敌人血量
4 [$ }2 j: \2 O( A& h/ ^ - Enemy_Type_Addr = $0528 ;敌人类型' z; c" E8 a* v1 A* M
- Enemy_Blood_Addr = $0578 ;敌人血量7 S/ G- Z( r& e
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
4 l" |8 s8 P/ ?. c* {7 l - Enemy_X_Pos = $033E ;敌人水平坐标
: `$ J( M1 n& n5 r( A% H - Enemy_Y_Speed = $04E8 ;敌人垂直速度3 H) ~& G& y/ c
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
! L$ G# N. T9 o6 }$ L: D5 ? - % N* M9 C9 C& U# J# F' K+ Y7 t! c
- Enemy_Index = $83 ;
# d! w' n8 c: s# O( {5 [2 y2 m8 \ - Time_Count = $1A
. K8 ^# w A- g9 Y - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率7 D1 n n4 f6 B' d) \* F* X2 c
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- .ORG $6100
% D8 U& E/ @, x - Process_Begin:
/ |2 Q7 ]- K% G4 }% {5 W5 [ - JSR Enemy_Check
) t- O: z: [. A( c5 O9 ~ - JSR Track_Enemy_Check& \" M# Q4 R5 n
- Process_End:/ {5 z) A' e# v( C
- JMP $E54F
$ d2 c; ?0 ]9 o9 f4 | - ! z7 a0 G1 W1 j: J$ O+ {
- Enemy_Check:
7 K/ }0 d, r& [( F - LDA Time_Count) t4 b7 q/ D9 ?. X- p5 Z
- AND #Track_Bullet_Speed2 [. A) j# Q. Q: D6 ]
- CMP #Track_Bullet_Speed; P$ d) Y' f, @ G9 C
- BNE Enemy_Check_End
' q$ h! ?; r0 ~% M - LDX #$0F
- K8 O' a4 ` k2 C/ k4 E H! H - Enemy_Check_Begin:# \$ h3 V9 Y. r" n8 E# p, |
- LDA Enemy_State,X$ D9 B, C: X/ O7 p
- BEQ Enemy_Check_Continue
" `! a ~, O$ d" ^ - STX Enemy_Index. M# @4 F0 B6 k; o1 d J- y6 W
- JSR Find_Begin_Enemy% W: C+ p I8 i2 j9 y( g4 E
- JSR Find_End_Enemy
/ |* D. y3 B) c' Y6 [) w, v% q - JSR Bullet_Track
; v, G# q0 v0 l0 I - : ~( ^$ a, Y# v. r
- LDX Enemy_Index
; c/ i. S1 o* i4 n a2 a - Enemy_Check_Continue:. x, A: c1 p1 C6 N6 E4 A& a0 K
- DEX! u1 [8 @$ U, \- b/ j
- BPL Enemy_Check_Begin
. H6 b& U# B- p0 g) C - Enemy_Check_End:
9 x0 ]! U# }# Y6 } - RTS
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- Track_Enemy_Check:
2 n; v' i: |3 d& C+ { - LDA Time_Count0 R4 i3 n/ y- g% b1 ~9 o
- AND #Track_Enemy_Speed
, D9 h' Y( P7 q8 N" z, a L0 P - CMP #Track_Enemy_Speed
: T, @% Z* V4 K( ?3 k; u - BNE Track_Enemy_Check_End2 U' U' P* b9 t0 F: ^0 b8 ?& A
- LDX #$0F
8 m2 i4 U% |* z. W - Track_Enemy_Check_Begin:7 D! q- A! S/ x0 P. [5 A- L
- LDA Enemy_State,X
; E$ C* B$ X0 t- q. L" s5 D - BEQ Track_Enemy_Check_Continue7 z P4 }7 |3 b- x. r
- STX Enemy_Index
4 Q% y6 U; N5 |7 n - ) e0 L+ R% y1 C# z. D c& e
- LDA $40
6 V: H8 f8 y" u- ` t" _ - LSR9 ^+ h, @/ K, ^) u( O. s' x ? W
- BCC Track_Enemy_Check_Begin_L1
: x: }# m& h1 A - ) n9 O9 N" t, ]/ _8 d
- JSR Track_Enemy_Ex ;2, 4
, N; q. A) K6 d) s! D6 R8 I+ F - LDA #$00! l# L8 E; o+ S2 G% B# i
- BEQ Track_Enemy_Check_Begin_L21 u" F7 u* r+ ]. p* }0 I
- 2 P5 [$ ?: Y, [( {, `
- Track_Enemy_Check_Begin_L1:: h- ?4 M& J' O7 l' \" e# F
- / V" K) c0 L/ K& F& F7 W) S
- JSR Track_Enemy/ y: H+ U) D1 [" K
- * z7 A I6 i* E+ h1 e
- Track_Enemy_Check_Begin_L2:
/ f) y, r* s( Z* Z2 q& j7 a -
! x8 l& U7 Q' j& R! C - LDX Enemy_Index
2 b; m$ ]" N, Y- i% j3 h4 c$ { - Track_Enemy_Check_Continue:
O3 L& I& @; K( A* [0 ]$ e' @ - DEX
+ a( A3 @3 l- o; _' h7 O0 Y' u8 ` - BPL Track_Enemy_Check_Begin
" z: R& x/ W2 s - Track_Enemy_Check_End:
* G6 N) s+ w( k0 |" J - RTS0 \; g9 M3 T& _/ G8 N) Z; s I! }
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. s* t% e; e0 a' C6 H5 b' k- ;查找第一个敌人! H2 X0 r% r9 S4 H; a' t& v
- Find_Begin_Enemy:
" D9 K& W2 X! c, P8 j - LDX #$00- Z! l6 ~8 y& A2 h& C6 z
- Find_Begin_Enemy_Check:7 v% S e! E" ]- g. C
- LDA Enemy_State,X# S4 k9 s9 o# V; h9 b f
- BEQ Find_Begin_Enemy_Check_Continue
$ R( d7 k1 I1 B9 J* ` - LDA Enemy_Blood,X- T; M' F: |" a$ q* ^7 I* O
- BMI Find_Begin_Enemy_Check_Continue
2 |1 }' G5 F; _% Y% v2 @1 {* w - BNE Find_Begin_Enemy_End
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, V* c7 C; ?# w - Find_Begin_Enemy_Check_Continue:5 \; U! t+ W1 F" }
- INX, i1 C, g0 o0 D Z+ R
- CPX #$10, e" `- ]0 O7 Y+ h: A' I# s" l% m
- BCC Find_Begin_Enemy_Check$ g( \- h+ I' q6 V2 F8 D
- Find_Begin_Enemy_End:2 u; g+ a% r3 B
- STX Enemy_Index_Begin3 }& {+ p# |& x( V0 s* c4 }6 Z
- RTS
1 ]6 R: A( N( O- l; q7 G - % v3 ?# ^8 \* F$ b& Y$ d' J$ S' }
- ;查找最后一个敌人2 I: ~6 T8 o4 @1 n" x
- Find_End_Enemy:
6 I9 S+ X; q% Z/ P! h - LDX #$0F
$ t+ M$ h7 D8 ?! g - Find_End_Enemy_Check:: F* x' u2 r- [, E9 ]% X
- LDA Enemy_State,X
) g+ X# g9 z+ g: n* C - BEQ Find_End_Enemy_Check_Continue
; m0 P9 W$ p% N! X' Z! ^3 [ - LDA Enemy_Blood,X
- U, q8 g X" `3 a4 t! u/ ^: D' m - BMI Find_End_Enemy_Check_Continue
; E% \5 \9 k* e- K' M - BNE Find_End_Enemy_End0 |- D1 C" L& V: i8 b2 O q% a
-
0 ]# D1 ?1 M" T- v7 P" q, ]3 ~ - Find_End_Enemy_Check_Continue:0 B4 p% M# k, ^5 G: ?$ N7 k- k) T
- DEX* w# g" w+ E) z$ T) o
- BPL Find_End_Enemy_Check
8 k3 V5 i7 g# ]: ~. q8 ` - Find_End_Enemy_End:
( k4 b+ t; W& O* G) l - STX Enemy_Index_End- b6 ~: W1 [+ t
- RTS
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' k! _* _: x9 z+ e- ;子弹追踪
$ w2 ~) i0 k! Z+ Q X0 E4 Q: |9 I { - Bullet_Track:* ]% S9 g+ p- N! ?: N! x
- LDA Enemy_Index_Begin* g2 l' E# }# N6 X
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
: B$ `& k# E/ S( O# [% F - LDX #$00 1 z; h3 ~) G9 m% t1 H; n+ o# X
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)- E/ @1 `% u# z: b# s* m- G# }; p) V
- LDA Bullet_State,X' S; g8 y: [; }) X2 d0 ^
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;0 k) }+ t- j$ K8 f) Y
- STX Loop_Index_I
" p4 T+ [# ]# E1 j8 Y+ p. R - ' F) }- s5 e0 H
- JSR Bullet_Track_Enemy' |3 U R2 M# E( ?& o
- JSR Bullet_Tract_Direction( W. a3 A) y% Z3 L C+ W- o
-
4 n$ e/ j+ Z$ J% ^; y - ;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
) a: P, J7 d1 \2 R3 }- H7 ^ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
- a2 l( ^5 N* W# q6 H0 _# @2 ? - LDA nEnemyIndex
@+ y. s( L" d$ N. ~* b: { - CMP Enemy_Index_End O- X9 i# m9 A% H: S2 z' u( c b$ w* R
- BEQ Bullet_Track_Check_Continue5 L# Z& l; s: G9 }
- BCC Bullet_Track_Check_Continue
3 \ I) a) d' j. j& s2 v - LDA Enemy_Index_Begin
$ P" ^. i: m! B, k - STA nEnemyIndex
% U) I1 V. K) o3 }/ F - 1 I, X! a9 G' x/ W8 t3 }2 F: B
- Bullet_Track_Check_Continue:
7 f- i9 U% \4 P, \( J+ b2 L* d' ] - LDX Loop_Index_I- A2 Y9 E! C1 D% m5 c& [
- Bullet_Track_Check_End:. B8 N) g* z2 { R$ A
- INX& W9 Y) u; g, U6 V) ]# p' W) h
- CPX #$10$ ^. b# J$ w( {: K' t! n' V; q
- BCC Bullet_Track_Check
5 T$ B$ e( ^# O; f - Bullet_Track_End:
" g: y$ ~" m8 p8 B: X0 E - RTS/ s. E: k2 }, H4 M9 N) o
-
" Z4 \1 ^9 g! L( Y: N+ h5 K# q- n - ;给敌人分配子弹- ]5 g1 \" z6 g- [0 }+ y6 ]
- Bullet_Track_Enemy:
) {! X: [( b" K2 P# H5 q4 B: g - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
/ C/ ^0 I& R) c' u6 Y) c; { - Bullet_Track_Enemy_Check:5 D: |( r' L$ u+ o3 z5 i
- STX Loop_Index_J
5 V3 k2 X6 U# O d! ~9 J -
8 s, F+ U* _% s% J6 }" p: t - ;if (0 != nEnemy[j] && -1 == nTrack[i])
- l. [/ s8 y: M- A9 t: w - LDA Enemy_State,X% l( M' R: q) b P1 F5 J7 ?
- BEQ Bullet_Track_Enemy_Check_Continue
2 i4 \- g _7 L - LDA Enemy_Blood,X+ O; M* \8 S0 c2 ]( N+ u% o
- BMI Bullet_Track_Enemy_Check_Continue
. V6 n6 s6 Q0 T$ [ a -
# m5 C5 i: k& U - LDX Loop_Index_I: h. T+ G7 t* {6 i, `# L5 d
- LDA Track_Enemy_Index,X% k% f" O& j& O' ^( }4 p% U8 i8 X
- CMP #$FF
1 F3 {3 S2 I5 L/ A - BEQ Bullet_Track_Enemy_Init
# X; U! `' y* m3 t) F0 z -
$ p% I* n* S9 j4 \ - Bullet_Track_Enemy_Init:
* Y2 P( ^3 D6 d" q* m* q - LDA Loop_Index_J+ C- A* L3 d) l; t
- STA Track_Enemy_Index,X ;nTrack[i] = j;
9 e( B: R) |' N) d: h- s. K- g - . o) q6 d3 p. K1 P+ ~% E/ C1 ]
- STA nEnemyIndex
. @7 C2 X. J A: ~- t - INC nEnemyIndex ;nEnemyIndex = j + 1; H6 B2 B# }9 @- A
- RTS ;break;
4 u4 r" n6 m1 X) {/ x
7 K( K3 }' {: Q: \9 ^" o( {" D0 I- Bullet_Track_Enemy_Check_Continue:
! G# |; }! s* U7 N4 d - LDX Loop_Index_J
) q/ Y% _, F' A) k - INX ;j++0 R, G& z0 K& n, ^7 e
- CPX Enemy_Index_End
9 Z2 T8 q1 ~, L - BEQ Bullet_Track_Enemy_Check
: M4 m2 B& F$ J* Y9 D; ?5 f4 u - BCC Bullet_Track_Enemy_Check. c9 I$ K" L2 G7 J
- Bullet_Track_Enemy_End:
4 {/ J/ m8 a& n. W6 `* |- ?3 T- ?1 T - RTS
3 t. P, n4 j+ C! @) ~( w! L5 d - 3 L: k( f& e4 k: J
- Track_Enemy:$ g& p* W5 c+ O7 F8 S* L8 k% r
- LDX #$0F
3 E: z- U3 A( g+ G3 X1 o" I Y - Track_Enemy_Begin:
# \( n- N- L4 F( |: X; o& o - LDA Bullet_Icon,X5 I6 a; r3 Z" N0 s* N5 k
- BEQ Track_Enemy_Continue
; R C9 Q* m/ N1 T0 O E& e+ U - LDA Bullet_State,X
8 z B: i8 Y6 u% ^- X - CMP #$013 X2 H. l7 V7 R. E' B7 k
- BNE Track_Enemy_Continue# E& s+ t5 D% Y ~+ a
-
2 j) D2 l; c$ b- j/ x" I+ N, [ - JSR Track_Enemy_Process
/ i8 ?% H6 l/ B2 z+ h. r- m1 N - {8 q7 I$ ]; N
- Track_Enemy_Continue:
& T0 `3 ]% L0 l3 H - DEX
' ]# v9 z: w6 [ - BPL Track_Enemy_Begin3 g1 J! S, u. {: @% u
- RTS
7 y% A4 z, Z) n2 B; p# C! K - 8 b3 d0 b) i# G) `
- ;普通关卡
" E5 ~, W* R" r; [$ f) i" z0 \ - Track_Enemy_Process:2 J# k y$ y. Z B4 e& b
- LDA Track_Enemy_Index,X
6 [/ [$ n! R% @9 ~ - CMP Enemy_Index K; K3 J+ Q: c3 Y0 D" S/ W1 q
- BNE Track_Enemy_End
( i, S3 m3 y6 ^2 K - LDY Enemy_Index9 A/ u- t- _2 c% u
- JSR Track_Enemy_Y m' j; @' d. c( @: m* ?9 U
- LDY Enemy_Index- f9 O/ B7 C# Y( E. M9 t
- JSR Track_Enemy_X% v& Q! }6 h, A4 H3 h" o! ?7 j
- Track_Enemy_End:
% r+ G$ K* s4 w8 I, N' g7 L& c - RTS. \6 ^3 o* D; i. j& N5 {: j
- 5 @+ M9 |# E4 ?/ D. Q
- Track_Enemy_Y:* p5 n/ W; |4 U$ e
- SEC1 {4 E7 j3 b2 V0 D
- LDA Bullet_Y_Pos,X6 G0 I) G& `+ z/ [
- SBC Enemy_Y_Pos,Y0 U; S5 t$ O; E9 z* P, f# a
- BEQ Track_Enemy_Y_Equal" P9 b9 k G8 P/ @6 @
- BCS Track_Enemy_Y_Greater
+ [4 G7 C1 R, i2 ? - ; F+ j5 ~ |* [# u7 _
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
- |5 d. U1 a. Q% b - CMP #$FC3 f+ k) L5 r- |
- BCC L1_1- h- G2 j, B' l# t8 B
- CMP #$FE
6 q, x' [* h N+ w; [) v% ]# V2 G - BCC L1_22 L+ E. M% h0 o+ B; R
- LDA #$007 H; T N& r) t( i1 F$ G5 {
- STA Bullet_Y_Speed,X7 B! `/ p- O6 j
- RTS8 G9 X/ d: c5 e! N/ \
- L1_1:
' i# e w& |8 w3 M2 H: ~) s/ f: _ - LDA Bullet_Type,X1 H' x0 j/ \+ }& n: n* c, k
- AND #$0F& S- \ D/ \: s' ]8 h# v
- TAY
* `1 w, M# D' Z - LDA Bullet_Speed_Data,Y
+ b! g2 B) i$ b& g- Q( P - STA Bullet_Y_Speed,X
' U4 S4 ^- G7 r8 q8 _1 z( w7 ]$ p - RTS
. N9 Y( k# v" G( o: q - . W$ o/ R$ h: d
- L1_2: " v: I$ }1 |- u. `" h
- STA Data_buffer
8 c- C) U7 O' M1 w+ o' w5 e - LDA #$00. p' z0 ^7 B4 K
- STA Data_buffer Q6 u( I; X* \1 l
- LSR5 f3 R2 j- ?# N" \" r; N; s- A _
- STA Bullet_Y_Speed,X
. Y9 b8 r, n% z' t& Y - RTS
0 V5 U4 ~. \9 I$ x) P
$ B/ Y8 G9 k6 Z0 d- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
: J& D3 T/ y; \6 F4 a% o0 h' i0 g! X5 ~ - CMP #$04
. o1 p; _7 I) X1 H - BCS L2_1
4 i3 h( l( E! O8 J, e! F - CMP #$04
4 t* F1 y5 O. }; [6 V! l - BCS L2_23 Y8 z! {/ }8 a5 d# Q h; u, ~" n
- LDA #$000 a' a& A7 f; X
- STA Bullet_Y_Speed,X
7 K0 e7 a: h# B7 A. o - RTS
7 o: M+ P" m7 p* w8 J( y -
3 t8 ?. z4 o& Q; _9 p! o! w - L2_1:
! e7 D" B# Y& Q1 I$ G3 d5 [* E3 w - LDA Bullet_Type,X; r: J; I3 D4 M% H7 C
- AND #$0F
& ]6 ]' U: t2 i9 T( K0 P# ` - TAY
9 K! ^, q! h( ~ - LDA #$00
& ?5 z4 _% q" D ~; V - SBC Bullet_Speed_Data,Y) `3 {" W1 |, o/ Q' a
- STA Bullet_Y_Speed,X3 n8 J! T% q+ U6 E6 h; J/ A! f; C- r
- RTS- P" i0 l$ U' N# ^. v) N7 R
-
% A! z/ o% X: S. M% f/ \; F, C - L2_2:5 K; a$ z7 [4 E, m( N
- LSR
2 ?2 }0 B* v: `- y - STA Data_buffer
9 W, A8 J3 D. y( O) G - LDA #$00
2 v5 M& \8 a" Z, k2 T9 X - SBC Data_buffer
% L$ N- b2 R3 @. b% [1 E - STA Bullet_Y_Speed,X
2 v% y* H7 H+ X+ O3 v9 ^" E - RTS
2 ]& G: A8 Y1 N5 e5 p; [# h - 5 d& d7 f @! J, _9 l
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y. w( G7 x3 Z. p
- LDA #$00
7 \. e$ M$ v. Q - STA Bullet_Y_Speed,X
) k- H _* }$ |9 z( T& Q - RTS. J. g3 ]+ b% ?$ ?: l3 N9 B
-
# Q' B/ w- Y7 p: \( O1 m - Track_Enemy_X:
/ j) O8 U, S% e G! h - SEC
1 F% {6 \4 Z! `. |: N' c. p ` - LDA Bullet_X_Pos,X6 c% S. D# v) n& `; |
- SBC Enemy_X_Pos,Y& t8 P. T$ s" Z9 q! b# K
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
: E3 H9 V2 W+ m" N" p1 c' |: a - BCS Track_Enemy_X_Greater ;子弹在敌人下方
7 a5 H6 U9 F$ v0 T* R) d - # Q1 f8 T$ B9 G; C
- Track_Enemy_X_Less: ;子弹X < 敌人X
0 [8 }' u% }1 ] - CMP #$FC( `, s, ~* U- ^3 J
- BCC L3_1
( S4 K8 \! p- z( J( Z8 ] - CMP #$FE1 `" g% U9 U2 O! a
- BCC L3_2 Y. v* P6 T4 p$ X
- LDA #$00. w1 z2 f/ Y. W1 B6 e
- STA Bullet_X_Speed,X7 b/ {$ y8 i8 r: g1 ]
- RTS
! ~0 w* e: M7 y) }; O+ x - L3_1: 4 z0 i) O8 O* g' Z# j0 _* @0 z
- LDA Bullet_Type,X: E6 z3 ?) q' l) u- p9 d
- AND #$0F+ \' Z! t, I4 u! \9 \- J8 b
- TAY5 {4 j7 ]* J8 L4 N9 p
- LDA Bullet_Speed_Data,Y/ O1 G* u6 J5 ^; ]& a8 x6 i! I! T
- STA Bullet_X_Speed,X% ~3 w$ v' R) \/ b, e" l
- RTS
/ Z/ t! J8 a, ? - L3_2: * p+ D8 `8 v- E" }% z
- STA Data_buffer! o; [7 p2 o5 S: m T
- LDA #$00 \1 A' v. U5 I+ z; [9 S5 B6 E
- STA Data_buffer
4 r( K, e- K7 r3 o" ^ - LSR% U$ f1 y/ s0 b4 N0 q. I( k
- STA Bullet_X_Speed,X, L* t+ g4 F/ w% o1 A- {. r) Z' @
- RTS0 [4 B. `( B, V, l6 b k4 k3 K
-
$ o5 s3 h) U l8 ? - Track_Enemy_X_Greater: ;子弹X > 敌人X
( N8 m, @8 o; Y, Z# J - CMP #$04
/ K# J+ H0 |3 }- Z - BCS L4_1
3 t9 f$ w5 J( M! \) v4 t3 s - CMP #$02
* M x* J7 A8 L" L( e - BCS L4_2
0 B' a! n% E* j( _& R3 v( l @ - LDA #$00
; `) _, a* z( i$ r- z - STA Bullet_X_Speed,X' U. |/ w. [) M S q7 B; {
- RTS0 O- s; h& t: ^) ?! I! O
- # v0 t# H) W0 O- e: [- d, s3 i
- L4_1:
) a5 d, ^2 ?) f6 j1 O - LDA Bullet_Type,X. S }1 S- { }5 t
- AND #$0F- O+ z1 u+ B: x: y& \
- TAY' a" L+ L# ^. v" @ z8 p2 U
- LDA #$00* [: [" ~& B; _7 S
- SBC Bullet_Speed_Data,Y3 J1 x7 o3 y% P: R) B( o
- STA Bullet_X_Speed,X
7 u, Q0 t* h2 H) l6 f; w - RTS
2 y: j. X5 g' N) \& `9 r% q" ? - L4_2: 5 J' S. }/ x4 A; C' Q/ c6 Z1 H
- LSR2 M' P) F) c; E# r
- STA Data_buffer$ V9 ^- f9 v9 x' C) ?" X& f
- LDA #$00
: y: V9 A+ y8 e& ^% a, _7 f+ B: s. k - SBC Data_buffer
& A f( [/ q4 }! d - STA Bullet_X_Speed,X; j3 V# e2 v+ X+ e& g1 m$ c
- RTS
1 J. \" o1 c# d - . [; _/ S! A" [# ^8 x
- Track_Enemy_X_Equal: ;子弹X == 敌人X) S- ^; z6 _& V# m
- LDA #$00( _) A$ i8 O, E$ t) H
- STA Bullet_X_Speed,X6 z0 ?9 k3 _0 A' W2 g4 j
- RTS% v% ~' k" [7 g# U1 M1 o; a" Y
-
% L- B0 L: m/ _0 z, \ - Bullet_Speed_Data:
% h& e2 k" q! s" k' b4 b - .DB $00,$03,$03,$02,$03,$03
: l! B; w$ e' s) H. z1 u -
8 \0 g" T% |9 C; {+ \/ { - ;2, 4关
* R* N, v Q3 P. x; x& _ - Track_Enemy_Ex:! ^. o2 \9 z+ M7 ?0 t; X! _
- LDX #$0F0 M' A3 k) P' p+ \1 M
- Track_Enemy_Ex_Begin:2 d4 f6 R4 q: Q- D! V. ]" Y; o. `
" [! g' \4 Z/ Y0 z8 p2 e8 i- LDA Bullet_State,X2 f0 A0 i, U; f9 K( |, E4 S
- CMP #$01 \% Z4 ^1 W; U8 @) n* v; v
- BNE Track_Enemy_Ex_Continue3 \& W. l1 K+ C- z5 Z
-
' G6 C; |1 }0 N6 B' [ - LDA Track_Enemy_Index,X
' @# x S: i# g+ s - CMP Enemy_Index% s; K; ]% W$ `, L2 u
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
6 d8 I- ~0 |3 B c -
0 y. v9 F" y* e* | d4 F6 x - LDY Enemy_Index8 q9 {' I/ E: `1 i0 c2 Q- i* V; [
- JSR Track_Enemy_Ex_X; d$ Y: g# l. R
-
3 C( u4 K: }" E - Track_Enemy_Ex_Continue:2 E7 L2 B5 R ~; f% ~
- DEX
) K0 ~6 u, L N - BPL Track_Enemy_Ex_Begin2 r; G4 y% }3 g0 C
- Track_Enemy_Ex_End:0 y/ b4 \0 U; |8 x% H( r3 N, i2 T
- RTS D! b# w; [+ w6 f- @
- 6 Q; h2 y' }1 ~
- Track_Enemy_Ex_X:
' W! j, x$ m3 @$ n3 j/ ~ - ;LDA Bullet_Z_Pos,X
" @4 O7 [: q L# N. S - ;CMP #$04
+ C# u; R5 p5 m7 j7 T1 S - ;BCC Track_Enemy_Ex_X_End; ]: k9 N$ h- S5 G t, B$ B" |
- SEC
* t6 B9 b; j e0 [. u - LDA Bullet_X_Pos,X' o- r9 c) E) E/ `1 ]/ S
- SBC Enemy_X_Pos,Y
2 B0 S; h- W" D" |1 F - BCS Track_Enemy_Ex_X_Greater7 u1 R8 u4 r! t! g H" h
- " f h8 l8 Z% E% D. M& \ d! F, J
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X) ^6 s5 }: t$ g, U0 w4 Y/ L/ u
- CMP #$FD+ {5 l; J( S) d3 f) d; B) t/ n/ d
- BCS Track_Enemy_Ex_X_Less_End
. C/ _5 q( `% ? O. H4 S - LDA $6020,X
& Q8 \1 f3 k1 ^* i2 M" h, {$ M - CMP #$2A& Z- z! i* k7 n5 Z+ E
- BEQ Track_Enemy_Ex_X_Less_L1- ?3 Q! o" K/ X: ]/ u& i% o
- LDA Bullet_Z_Pos,X8 w' {$ d- P; [
- LSR
/ |% w. }1 d9 r" x. P - TAY: I0 T9 a: v% g8 m% a. C
- LDA Bullet_Speed_Data_Ex_R,Y9 o' d1 S; a5 d& R3 q0 E
- STA Bullet_X_Speed,X3 V" X9 G; i4 a0 W C6 n! V
- RTS/ O$ D x4 V+ q' h+ _6 N4 F9 d
- Track_Enemy_Ex_X_Less_L1:; H" C* X2 i' J4 f2 }
2 h1 a$ g7 r! a- LDA Bullet_Z_Pos,X3 E& E5 B6 V6 d9 W' }
- LSR, \& M5 c+ h( n+ W+ A: B0 m
- LSR
! X; g! F7 a( W3 u% t - TAY" s0 A% V3 e1 L; ?
- LDA Bullet_Speed_Data_Ex,Y
/ ]. e$ |2 M% a' V( f - STA Bullet_X_Speed,X; i' c: g! E8 U" j+ D* w
- RTS
4 b% P9 j0 ^- C- n$ G* @; ` -
9 l4 I# E3 b2 ^& Q& S - Track_Enemy_Ex_X_Less_End:8 E, B, x9 t1 o, E& s; T
- RTS! l" N5 R @4 x
& N7 }& S' ]5 `" f- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
! y/ a, F9 Q2 q! k- d+ [ - CMP #$03$ @3 M3 v2 E% n2 ~: o6 M: g% K* s) y
- BCC Track_Enemy_Ex_X_End
0 T2 `! r9 C: }6 n9 _. G - LDA $6020,X
5 Z6 Q) M8 Y" [0 r3 {3 v4 m - CMP #$2A
/ Y5 i& P8 d- k' M8 @% g: X' C0 z - BEQ Track_Enemy_Ex_X_Greater_L1
) P3 M* I' z* }1 p5 K4 |6 p - LDA Bullet_Z_Pos,X$ J# R/ }7 l: M# z" |" q
- LSR
- v& e1 r) X9 W* w - TAY7 k/ O H. Y3 a$ w
- LDA #$003 V& R$ r! B$ T. G
- SEC
# g+ U6 U9 m c7 f# x0 Q - SBC Bullet_Speed_Data_Ex_R,Y1 p6 H; U. q% O8 e
- STA Bullet_X_Speed,X. ]4 y U0 @: v$ M
- RTS0 F5 X$ G) }0 r. P
-
0 J: m2 q" j8 y - Track_Enemy_Ex_X_Greater_L1; {5 L' P& [; h" Q
- LDA Bullet_Z_Pos,X
: V& X+ Y) R" v2 E$ K) y N - LSR
8 Q) @4 N: a# j0 B4 p1 I, ^2 ? - LSR
" ]" r0 E0 ?. d- k9 C5 F, J - TAY
: z4 K4 B5 \! j+ {: v+ |0 \+ y% c4 [ - LDA #$00- U. f. o C }2 T9 A% {
- SEC
* F6 D' x( E. P3 _$ k - SBC Bullet_Speed_Data_Ex,Y
- y, _3 m, K& J* s8 f - STA Bullet_X_Speed,X
5 \0 V0 h K0 d4 ~# n( T/ F3 ] - RTS
6 X% ^' y& ^7 U! Q: p6 W -
$ r& j2 B! \/ l - Track_Enemy_Ex_X_End:0 Y0 P) K3 u8 l, ~8 Z* b9 X
- RTS8 _% G- k+ F* m% f
-
# p o- S z; s; r' [ - ;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)
- r! V. S& P2 e5 E - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
5 A+ N# F) `5 v- R" M% d( N - Bullet_Tract_Direction:& o6 h' j, e! v% o
- LDA Bullet_Icon,X: z0 I g0 r8 S8 R2 b* F/ i6 X
- CMP #$23
* f( _# N( r4 V- p* k0 O, E2 } - BCC Bullet_Tract_Direction_End
6 I1 ^9 Z) ] _7 X6 A/ S -
+ H8 v4 Z1 O) N d1 U2 Q - ; X != 0& o2 r, [# j5 j+ {- z2 x) u
- LDA Bullet_X_Speed,X5 u4 }$ B/ `$ @5 @7 y# c, g% @ B
- BEQ Bullet_Direction_V3 [" r, S2 x$ E& P
-
+ @9 {+ t3 \: T& ]: _ - LDA Bullet_Y_Speed,X& l/ d: V& C2 R( C3 `0 |2 d
- BEQ Bullet_Direction_H
7 b' _" q% R9 J# c* Z! s* @ - 7 ~4 c9 |' v. z# o" o( n: M% h% u: B
- LDA Bullet_X_Speed,X! \$ Z2 u: h6 y, Z
- BPL Bullet_Tract_Direction_Right& \ {& j# @0 H- T8 q- X
- Bullet_Tract_Direction_Left:
8 K! [/ _% l8 d - LDA Bullet_Y_Speed,X
) Y8 h0 D2 j- M: N: O7 q - BMI Bullet_Direction_Left_Top- U% p4 i) [ j+ M J. |
- BPL Bullet_Direction_Left_Down
; q, J, n4 D* s0 ~. ]/ Q - Bullet_Tract_Direction_Right:
; J( @7 b2 w) ] - LDA Bullet_Y_Speed,X+ ]9 V8 @6 B2 A$ _* D
- BMI Bullet_Direction_Right_Top
5 U/ \8 Y; J" B( ~3 k - BPL Bullet_Direction_Right_Down
, y9 y7 e0 k+ N8 B - Bullet_Tract_Direction_End:' I) [4 c) y! F; z
- RTS
+ G( V( ^+ U; H: p, B1 H$ w
. j) f5 B) e5 B7 y4 J# D# _- Bullet_Direction_Left_Top:5 a- ~ J& @. L) p& F
- LDA #$25! I: m/ Z5 k. C
- STA Bullet_Icon,X) I3 Y3 v5 M: B+ o7 z1 ]
- LDA #$C0
. ?# G; f9 h9 x9 o/ O0 l - STA Bullet_Direction,X* F' P; H- z% ^0 \- ]8 ]
- RTS; ^, V/ t# H/ A) ?3 i: ~* G
- 6 a# N& m+ U4 ?! y; r k |9 P i
- Bullet_Direction_Left_Down:
0 t' |, V/ S9 | r - LDA #$25
2 b1 l* c- D, r5 w- ]$ m; O - STA Bullet_Icon,X
3 c! }: `+ L1 |; z - LDA #$40
) l6 H. {: I) H+ t/ k - STA Bullet_Direction,X- A d& H# a0 F) ~ X2 F5 X( \
- RTS
$ f& f( X( b; f* z T* K" \
3 i8 g% @. o- w3 Q ^- Bullet_Direction_Right_Top:
r6 j6 R: B) h. \; p - LDA #$25
' ^4 l2 q6 @ d* w# M: j: p, W - STA Bullet_Icon,X
, r6 D( J4 |' {1 d* K+ \ - LDA #$80
5 F/ Y; L2 C/ ^8 ^2 {- @( f - STA Bullet_Direction,X: ~5 B7 P3 k9 y
- RTS- [1 L& K; B- e! K6 j
3 `8 H6 |5 d W- I- Bullet_Direction_Right_Down:
: g* Y/ Z& t" u2 Z - LDA #$25
; {- [/ P3 j% e! y3 _ - STA Bullet_Icon,X
! j% j8 m8 Q# r1 X: A0 P - LDA #$004 C w1 d# _& g& |/ L
- STA Bullet_Direction,X
4 z- J# `7 n5 O+ J/ q - RTS7 K6 w2 C/ J8 G2 k7 D5 j" g; [& N
- ! p9 S9 E5 P6 b5 x) G
- Bullet_Direction_H:
0 S. h! v: X/ }4 ^$ F - LDA #$24
5 w1 x8 s+ G% B& W" f% ~0 N - STA Bullet_Icon,X! S2 w% X* A; ?7 \
- LDA #$00/ _5 W5 q! x# v m9 O# O9 |
- STA Bullet_Direction,X9 L" S! F# |4 K& p
- RTS/ e" r! j" j' `$ Q
- T7 p% _, S5 ?8 m* z. C+ _5 B6 Y
- Bullet_Direction_V:$ T, G$ S/ @* ]: x: D
- LDA #$236 b( d N' n6 ~* D) i0 N! e9 n
- STA Bullet_Icon,X
' q' I2 P, z& i5 M! I' p - LDA #$00
& j5 g% k' Z( h# x - STA Bullet_Direction,X' L' P# V9 `8 s- E( ^# s3 A
- RTS
( o( X! G: j6 L$ q
4 X* _) v8 U* B7 o- Bullet_Speed_Data_Ex:# V/ M' T9 p8 X5 d1 u
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
0 o* u& W# Z% A! s" _ -
3 t: F) S2 A: ]8 z0 ]% Z - Bullet_Speed_Data_Ex_R:5 x" [! h' c. W+ M/ U. U' u
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08 ~4 F2 k8 ^/ o
-
复制代码
& V7 L3 V% R& N# S) R7 m+ ]1 v8 X; t# v+ W/ Y! B6 |
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