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[FC][魂斗罗][J][追踪弹]( o% ]% g& X/ k: }* j& @2 V
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时间:2023.04.30
7 b. s/ d7 P# k+ T/ y0 y) W+ k7 |作者:FlameCyclone
; u# i0 }4 ^4 O7 x9 e7 D- x, s内容:$ ~5 ^# E6 K% w: r4 k! P3 M
1. 所有子弹追踪敌人4 b4 O) A$ d8 i: l% B: x2 L1 n7 \
2. 选择键切换武器
9 o3 j, @1 F) Q6 y0 s* _ 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
( R1 u% r! X' @ k8 E% n, X4 r$ \ F) D8 r. K
flamecyclone.ys168.com
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: v1 h* X1 [ D! U( z# X8 Y/ g- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
9 C6 S, q% v; E# X - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L+ N: t9 s; T4 R- w% q9 f' v8 ^
- 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)5 m& y2 u; h) b- t
9 f: w4 w ]; Z, f% b" Q' T9 v- ;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)
- ?1 q! p! ]2 g& @ - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
/ z+ C1 `" F [: z - * [4 O9 @' l% h+ I! m
- Track_Enemy_Index = $6000
7 _7 S7 E& J4 E0 f# _# O0 p - Enemy_Index_Begin = $6010
$ O G `3 J* t7 k - Enemy_Index_End = $60119 c& C% T7 o: {# c+ o
, H! |, y1 K, r6 U7 T: R H- Loop_Index_I = $6012, W( n u( x0 x
- Loop_Index_J = $6013! s4 e! L5 j/ q
- nEnemyIndex = $6014
# p6 Q6 m5 L0 g5 W, ^" }5 C - Data_buffer = $6015
( ?0 w0 {, v7 T4 S- G
" |& Q8 t/ ~# [- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
. Z1 v/ W* B8 q, `2 d: H' Y - Bullet_X_Pos = $03C8 ;子弹水平坐标6 D+ i# d) [1 F$ c( d/ ?9 Q0 H
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
! ]. [1 _! L: C7 A/ |# y, Z( t - Bullet_X_Speed = $0408 ;子弹水平速度
! q- J$ q/ U; J( ] - Bullet_Z_Pos = $0418 ;子弹Z坐标. V! X; X$ F" z
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P) O; Y1 e& V& | _
- . ~: \0 f+ r# z0 l/ q
- 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
2 S4 Z3 Q- f! ^. D1 m% I( m - Enemy_Blood = $0598 ;敌人血量
4 n$ y( G& `/ ^2 j - Enemy_Type_Addr = $0528 ;敌人类型
: @' T# ^+ u2 c( K1 |, z( `% F - Enemy_Blood_Addr = $0578 ;敌人血量% g% F1 p( O. M( T4 K
- Enemy_Y_Pos = $0324 ;敌人垂直坐标0 [) P% ^, U. ]; [8 w
- Enemy_X_Pos = $033E ;敌人水平坐标9 ]# h' b1 T# C" I. u
- Enemy_Y_Speed = $04E8 ;敌人垂直速度9 ^8 R: o7 X+ x p+ z
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸0 ~8 q( L- b2 ?; ^8 o# ]6 `) O
- / P9 k5 {$ h+ c3 ]
- Enemy_Index = $83 ;0 ?2 A! h; q" Y
- Time_Count = $1A
, l }* E- o9 M - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
$ o& S4 |4 H% ?" r: ~# p5 I k! a - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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* N* Y! e* |& @$ D( X- ) m- C& ?9 @" {( {, K. W
- .ORG $61005 v3 h" C% r# ~
- Process_Begin:
* v7 _8 ~) M y0 D. y7 ^ y - JSR Enemy_Check
4 X# R& i* m* h C - JSR Track_Enemy_Check
! m. R1 e. I: @1 _; c* m' M7 g - Process_End:9 ~' P1 V# w8 j" H
- JMP $E54F' T m$ Z3 r0 }. ~7 v
0 e. u) T* |4 s) _5 C h- Enemy_Check:, T4 G" c" N) i3 W
- LDA Time_Count6 N# S9 t, }8 H9 }
- AND #Track_Bullet_Speed% U( ]% d* U. n0 _8 l
- CMP #Track_Bullet_Speed5 ]- T' h, c3 ^
- BNE Enemy_Check_End
" D. j4 s' `. S8 B5 o4 h! q0 x - LDX #$0F
) S P' q4 `1 }7 ] - Enemy_Check_Begin:6 t/ C5 f* U/ d
- LDA Enemy_State,X
# ~# c2 _) D$ Z# q - BEQ Enemy_Check_Continue- w: z( P ?% N' p! D/ d
- STX Enemy_Index
" v: x' h3 c( S - JSR Find_Begin_Enemy: ~" ]% i) }$ m+ t2 R
- JSR Find_End_Enemy
# {7 b8 h1 }) S. R3 |1 j: N) Q - JSR Bullet_Track
8 N b7 I1 u) h8 m -
% C+ @1 h2 o* F - LDX Enemy_Index
2 u T% h* |+ c0 I7 E# b# n6 b8 I - Enemy_Check_Continue:6 G; v8 E/ V5 j/ {
- DEX
! M3 `+ \) b( F& ~# Z6 A: @- N - BPL Enemy_Check_Begin
( c/ x2 ^, x0 W+ [, X' X - Enemy_Check_End:5 k- _3 H( z; u+ w- h4 o
- RTS
8 _4 A% c: l% a/ Y5 E - * o! |4 o8 T* \4 D# x* v6 Z
- Track_Enemy_Check:
. M3 z- O# `/ Z; y: x6 K# ~0 M - LDA Time_Count
3 g2 `+ J7 Y& w" i2 g9 U - AND #Track_Enemy_Speed
; J7 s8 L9 d9 O0 | - CMP #Track_Enemy_Speed; E; w U9 y- ^
- BNE Track_Enemy_Check_End- ~( r9 \' x* f6 @
- LDX #$0F
- _- ? }: D/ R4 \ - Track_Enemy_Check_Begin:
M g( b7 A( g7 h% F - LDA Enemy_State,X
; `2 h+ k6 d. O' \9 I% p* q - BEQ Track_Enemy_Check_Continue
: E3 ~2 h: P" m: i/ s/ ?9 e$ k - STX Enemy_Index
; i8 g# r) ^ o7 m; G -
- R6 v$ u/ n! z - LDA $40
. B2 A( U7 u3 [) t" w$ x/ C5 E' V - LSR
2 n7 L4 b0 ?- R; I% N/ `* V- H5 k- e! A) a - BCC Track_Enemy_Check_Begin_L1
) i" K* a, i6 ~# ~ -
( P) r3 z' ~. l( i3 Z* F* ^ - JSR Track_Enemy_Ex ;2, 42 v8 n- I& t' B. S
- LDA #$00$ j: ]7 t. D2 x
- BEQ Track_Enemy_Check_Begin_L2
0 H* J# s- ^5 X0 B" l# | -
7 R- B. T0 e' j d& l! ^% T4 w7 F - Track_Enemy_Check_Begin_L1:
$ j% q7 L1 c+ @ H7 U -
3 Q) h( U; F; `, E - JSR Track_Enemy
" n/ S# b% l2 }$ N( G - , ~3 B8 A# f& r
- Track_Enemy_Check_Begin_L2:
" G0 ^( i1 L4 ~* ] - 6 A# `' ]6 V* ]0 b/ C
- LDX Enemy_Index
7 S$ E& y: T; A* M7 T# ? - Track_Enemy_Check_Continue:
2 b5 r. J& ^! o& {- q0 ?0 @ - DEX9 R! s m+ U# P
- BPL Track_Enemy_Check_Begin; I& k' g5 t, h i
- Track_Enemy_Check_End:- c+ D$ ^: M* E
- RTS
: y% ~, I: C m6 j7 T
. `. L- o7 e! d' H: B) r
: h2 }6 F T, ]# M; U1 J$ ?- ;查找第一个敌人$ i4 v& V6 i- K5 t, c8 a6 @
- Find_Begin_Enemy:& h* I* y" z5 q6 s
- LDX #$00- C: E+ t7 h3 Z) h( U9 q+ W* G; k
- Find_Begin_Enemy_Check:
3 j: ]: C7 T4 o$ j$ `7 L% H- Q - LDA Enemy_State,X
# s" V$ B* v) F1 S0 }1 v - BEQ Find_Begin_Enemy_Check_Continue9 ^, n$ R4 P9 I a L* B% N
- LDA Enemy_Blood,X$ |. G" q+ ]( D% i1 i; ?
- BMI Find_Begin_Enemy_Check_Continue3 W5 @/ n0 q0 i7 Z, p/ P
- BNE Find_Begin_Enemy_End, T8 E& Z* I1 Y: C ~" g; w' R
-
" M3 K4 O' W% l4 b' T2 |- X - Find_Begin_Enemy_Check_Continue:
' G. L n4 I# _ - INX
1 S. o7 P" U% i1 P7 I" ]! R - CPX #$103 X8 Q. ^5 R5 C! s; o
- BCC Find_Begin_Enemy_Check
/ q8 |) T1 q9 g; d - Find_Begin_Enemy_End:
. R$ U3 g2 { n- D0 e: O* ]' G - STX Enemy_Index_Begin
( Z0 `- k6 V' t5 N - RTS
4 l: y# i e0 s# d6 J: I: V( ?. V
- Y0 R! D9 ~7 M% D/ W/ g- ;查找最后一个敌人8 N8 i5 E9 p7 t8 I4 o0 y
- Find_End_Enemy:1 U& o9 u0 J. x3 `5 b
- LDX #$0F/ @( E. r# f6 {) j+ X& m
- Find_End_Enemy_Check:
/ m) O* I9 ^ o - LDA Enemy_State,X) @ H5 U7 @0 Q; c
- BEQ Find_End_Enemy_Check_Continue; e$ v. C! B Z2 Y/ y
- LDA Enemy_Blood,X
3 H% e3 Y! _. i: f - BMI Find_End_Enemy_Check_Continue
! B9 D1 p+ u* _& g - BNE Find_End_Enemy_End# n0 l4 [% X; C/ v: R' T6 i5 ]
-
% f% k8 V8 `9 @ - Find_End_Enemy_Check_Continue:
$ F% C6 U. _3 C! I/ G; S) O) p0 K - DEX
; A; w i; U2 B5 @1 {% ] - BPL Find_End_Enemy_Check
9 i+ w# e% q' A$ a' j - Find_End_Enemy_End:
. Z' x, V, V2 U9 k1 S0 a: F8 X' z) W9 ^ - STX Enemy_Index_End
2 I* V9 M6 F, c. Y- ?9 j - RTS
@6 j- e7 D; o8 m; Q
+ d3 D8 R& l6 e8 P1 F) ~8 c- ;子弹追踪1 W/ A9 u7 V" v1 q2 p$ b
- Bullet_Track:
' @7 E$ p: V1 u. x* g - LDA Enemy_Index_Begin
$ ~* b( Q, D9 W) \* N X( h - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
2 c1 m' \5 \2 I( W, c# I. U1 }' m - LDX #$00 $ W. o# q6 W8 Q5 h- c. f. ]6 h
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)9 r# G+ d& ^' A! ? V/ c) K n
- LDA Bullet_State,X
& c5 l! U* `" h/ _ - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;5 _& @$ `$ @# Z8 V
- STX Loop_Index_I
" i7 s( a+ ^) T - ) Y0 ~4 K+ d6 ]* U! k
- JSR Bullet_Track_Enemy
$ q/ M V l9 Y0 }4 H6 [ - JSR Bullet_Tract_Direction2 `6 N- p- x# j
- * }* e5 J+ K8 z3 h" S. M
- ;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
5 p; l5 N# I# U - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;2 E6 ^. c5 W1 C8 m2 s3 w Y% D6 c$ M
- LDA nEnemyIndex
* H D; p, i( z+ q& R$ m - CMP Enemy_Index_End
9 F4 O) i# ~7 \& E+ x! j: p+ u) T - BEQ Bullet_Track_Check_Continue4 @$ B8 g# L! E% X. m+ i
- BCC Bullet_Track_Check_Continue0 M D- l+ u4 K) ]+ O
- LDA Enemy_Index_Begin
" ] _; A" R0 T# y1 J6 n& V" }/ ] - STA nEnemyIndex
1 H5 L# p0 R% E2 _ -
6 ]" _6 f; O+ t5 X - Bullet_Track_Check_Continue:1 v# J: r( Z/ X
- LDX Loop_Index_I
; t: E6 U2 h/ c. T7 u - Bullet_Track_Check_End:
) n. h; U, j6 c& c4 Y - INX$ o" K/ j! q5 w
- CPX #$100 j7 i# I9 q0 v
- BCC Bullet_Track_Check3 s! L8 ]$ Z% B* v3 a
- Bullet_Track_End:* s$ [7 i- G7 L6 }8 g2 v$ z
- RTS
4 p" q6 {* v c, `5 N -
7 e9 C% G4 C* A- {% @ - ;给敌人分配子弹+ g) k* [' c: [
- Bullet_Track_Enemy:9 O0 N) {/ Z8 R3 a# r
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++): \: U/ J% G0 \/ P& D0 z
- Bullet_Track_Enemy_Check:
3 [% T( J; S! e, F! P* L- J/ P - STX Loop_Index_J
2 d; `5 O! ~ H% { y! e* c/ W - ) i; i. O3 L, t! ^
- ;if (0 != nEnemy[j] && -1 == nTrack[i])$ Y$ a: k$ f6 M2 j' W
- LDA Enemy_State,X
. M0 n% ]& N% n - BEQ Bullet_Track_Enemy_Check_Continue- U) `- l9 P# M, s
- LDA Enemy_Blood,X
0 |5 O N; P y - BMI Bullet_Track_Enemy_Check_Continue
6 Q) b$ R! f5 Q/ H2 h -
+ m. Y2 w- G9 @0 t }/ D" s - LDX Loop_Index_I
7 B, b/ O: \( z5 s' Y6 c - LDA Track_Enemy_Index,X
! b( F1 L3 q3 f- R - CMP #$FF
1 v% E$ U' n- `1 o* J5 n4 c - BEQ Bullet_Track_Enemy_Init
: k4 z3 u3 E1 h* X8 D -
: b }* Y( K9 x - Bullet_Track_Enemy_Init:: t% D$ ~9 |! ~. x3 V
- LDA Loop_Index_J
) p7 r) e8 z! q - STA Track_Enemy_Index,X ;nTrack[i] = j;
! ^" N7 c8 w( f* s3 s! |+ C -
) S5 E2 J' p) G, ^ I1 o, g' |% [ - STA nEnemyIndex
2 o3 {2 y- o, B8 S; ~7 I2 K/ B# i3 r - INC nEnemyIndex ;nEnemyIndex = j + 1;
' z! |. z2 P. B j, N - RTS ;break;4 ~) f) r% s" @* F& k
" u+ ^% m5 F! X7 u- Z- Bullet_Track_Enemy_Check_Continue:8 X% L! G/ P9 {/ q9 X% J9 I
- LDX Loop_Index_J( q$ J4 L7 s: L1 z" x
- INX ;j++
9 N) _0 f* q1 a) @6 q - CPX Enemy_Index_End# ?6 Z3 t/ q( i- B
- BEQ Bullet_Track_Enemy_Check
$ N$ \4 N! {: E. j9 p - BCC Bullet_Track_Enemy_Check: s2 ?, F* K9 Z; j- ?
- Bullet_Track_Enemy_End:& y) ?7 W( s& z2 \
- RTS
- O# [; _5 f( j) I/ L0 M
) d+ ]# }8 V6 J9 L9 q4 ~8 d6 n0 a, `- Track_Enemy:
' u+ Z6 Y$ V2 T. L - LDX #$0F
9 l2 c9 M0 G9 q - Track_Enemy_Begin:) V# @" }) [, P& W/ `
- LDA Bullet_Icon,X$ y* y9 c$ j0 [! y; A& ^
- BEQ Track_Enemy_Continue
: y* H; S$ p0 ]; Z( U* g3 @# m - LDA Bullet_State,X5 F1 v% @/ U* z7 k# u
- CMP #$01
- Z* O! M' h9 A: C* {6 h6 V - BNE Track_Enemy_Continue
1 q0 t0 @& ]6 Q( ~2 E6 q - % j$ h+ n4 _ d
- JSR Track_Enemy_Process
% V) L, h2 r5 q3 w; h7 m6 X7 Y - % o0 M' X. _ @8 w! b! }
- Track_Enemy_Continue:
9 f f; \ d! Q( j: G/ j, Z; k/ R - DEX
$ a9 ?& Z0 w$ b0 I# x - BPL Track_Enemy_Begin; A% a# @+ O" [$ j* e
- RTS( k1 {9 J) n9 R8 I. e
- 2 g! v& L" G0 u! }( |2 N* ?/ o
- ;普通关卡4 X) q$ p1 r& x; F9 n
- Track_Enemy_Process:
3 P3 Y& d9 t$ M3 \- `' A - LDA Track_Enemy_Index,X
: U2 u e5 A& b9 a& `+ V - CMP Enemy_Index$ M( T* R- `/ W3 h
- BNE Track_Enemy_End$ \7 {1 l4 @% r/ M
- LDY Enemy_Index
7 Z8 v$ {' |6 r6 s7 e - JSR Track_Enemy_Y9 h! ^8 y" t. [2 N( I4 J
- LDY Enemy_Index3 I/ | S; u" V8 _! \
- JSR Track_Enemy_X
/ B0 n) p% H$ ]0 d - Track_Enemy_End:
" y4 U5 x3 p" ?$ h0 q) M; l- N4 F - RTS
/ x2 [4 l7 M& w( X2 s% U( i -
3 P$ j, k! K3 C# O2 O3 [( e: ` - Track_Enemy_Y:; Q+ ]( s( S& [/ g: D7 `
- SEC
! C# _( s% G" D# { - LDA Bullet_Y_Pos,X2 ^& N4 e" o6 e' q
- SBC Enemy_Y_Pos,Y
9 g! s# Q' j9 l( H6 e - BEQ Track_Enemy_Y_Equal' h! j# P& O9 t5 q' @3 [
- BCS Track_Enemy_Y_Greater
. A3 o7 v& J3 ^1 g+ C/ X* G -
7 {2 X- v5 h1 s+ ^0 @- h6 C - Track_Enemy_Y_Less: ;子弹Y < 敌人Y! @; S, d8 v# C- C; E- n
- CMP #$FC9 |2 @: r6 }# r5 y% O
- BCC L1_1
( x7 ^& B. e9 } - CMP #$FE
. _/ J7 }' M' V; S - BCC L1_26 S) g, o! H' I* p7 Z* D) M
- LDA #$00
7 x, u9 p# i. _' H7 m: A% X( ` - STA Bullet_Y_Speed,X. r3 v2 C6 G0 Z
- RTS
8 P5 T( G7 I9 J - L1_1:
' K) n! {; R, [3 x - LDA Bullet_Type,X6 B: {0 X2 P5 R/ b
- AND #$0F3 L0 F5 H7 x* ^- i# `% G1 \
- TAY; ?4 s2 C% N0 I4 x% h$ U, \9 d; [
- LDA Bullet_Speed_Data,Y) i9 K, I4 ^# ~5 j
- STA Bullet_Y_Speed,X f1 [& i( l+ h& T2 U) l! l0 Y, W
- RTS
: H6 x* |: Z" d% D1 g) W, w - 4 v$ Y F+ H0 V- z
- L1_2:
$ b+ Z4 i: s @. ~ - STA Data_buffer6 Q' Z5 i8 @* ^, ?
- LDA #$001 k7 |; [/ c2 @" V0 s W
- STA Data_buffer5 ^* n) Y3 ^2 k7 f
- LSR& g( O4 V' F E' ]1 h' [) k5 }
- STA Bullet_Y_Speed,X9 s1 W( v9 Y1 W3 e
- RTS n+ ?8 [5 a' A0 c& U6 N
- % b% g) ]: ?# u5 j- A
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y- h' l) L/ B1 U5 k* I0 B7 y' S2 i% E
- CMP #$04
) e/ J; }7 W2 _6 F! a. J( M - BCS L2_1
a, c, T4 b( S: K& _ - CMP #$04
" B) R: U( C1 Q% @ - BCS L2_2# H6 q1 ]) |) [" m
- LDA #$00: `( C- P3 w- S9 p0 Z, K( v0 F# a
- STA Bullet_Y_Speed,X
1 V( z' o3 c0 T" Y - RTS
1 {% E1 K2 Z; u7 L+ ~ p -
8 A: r0 P# K0 F% T - L2_1:1 r6 l) e7 g& v& e5 R
- LDA Bullet_Type,X
; Q' J2 v! {! H2 b - AND #$0F6 }5 X3 w4 G* P
- TAY' N! J) P1 C; O! C) U, f# i+ H
- LDA #$00
' Z8 G$ l& P: p; ~6 I, L5 N! D. } - SBC Bullet_Speed_Data,Y
2 w# c& C3 E: a* A) b! e - STA Bullet_Y_Speed,X! l7 \4 @/ V$ {" x
- RTS; T* Y* E; g- G2 r9 u
- + V* K! c: G1 K- p
- L2_2:
% Z' d0 x* u; ~; k1 p- ]! A - LSR4 n9 Y, `) x7 d2 A. b" [+ K! G
- STA Data_buffer' K5 \2 a: h! q5 X3 [' Q [
- LDA #$00
4 l/ E9 \ T" F/ p# ]/ D" t - SBC Data_buffer( A) [+ k' ^$ p
- STA Bullet_Y_Speed,X% v' M! G( Q6 F6 C" P H
- RTS5 Q3 c( Y% R2 S8 {# _! N! v o8 Z
-
, l0 q$ a1 i$ c8 y! Y+ z: Y6 L4 i - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
Q' N# Y8 p. C3 D# V2 } M - LDA #$00
. t6 \5 U) M S3 R - STA Bullet_Y_Speed,X9 F+ ? _- J" n _3 c* Z
- RTS
. X6 I, T- h* `1 X$ a: u5 d -
# {: O7 L5 f. ^- i - Track_Enemy_X:$ \! b; l( l8 C" d
- SEC( \" f8 o* l$ o: Y; e2 `
- LDA Bullet_X_Pos,X
7 F3 ^3 ?5 U6 j; g: R f6 w - SBC Enemy_X_Pos,Y
+ d; [9 A% g# C' O% [ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
0 h; M- l1 }' j( m* T - BCS Track_Enemy_X_Greater ;子弹在敌人下方7 u2 C: x7 g2 r/ a8 Z# X3 I" g
- $ r. d- r5 U" O& v4 f, y, C
- Track_Enemy_X_Less: ;子弹X < 敌人X4 c, e4 o: T' h ^
- CMP #$FC4 Y! s( c: E& Z' M7 Z
- BCC L3_1# O3 a m+ m+ q
- CMP #$FE
7 d) x; u- J1 W6 o6 r+ t- ? - BCC L3_2
8 G+ ~- D+ o8 Z, \ - LDA #$00% A3 J, D3 ]- n- X6 D7 n
- STA Bullet_X_Speed,X
$ T _) `+ ?3 Z% h - RTS M) Y3 F7 E- r9 o9 B
- L3_1:
3 U0 [6 m5 g9 a& X- N _ - LDA Bullet_Type,X* c, r3 H5 _0 R# k' z5 M. n [
- AND #$0F& h- O) g- Q. _, ]
- TAY$ R/ g% w* t$ M% w z" x g# L
- LDA Bullet_Speed_Data,Y6 c, V L; Y5 {8 @
- STA Bullet_X_Speed,X
* B9 s; l" ~, w3 x8 A9 S - RTS
& j5 Y7 n% G, V. M, W* X - L3_2:
( z' `1 ^1 ]3 G - STA Data_buffer9 Z5 s' m t7 F' H7 S: Z4 c
- LDA #$00' C: s& _7 w3 t' }4 y( q
- STA Data_buffer; f5 V6 x' K! g8 J; I! W3 ]7 F
- LSR, m! l- z( B) g, n0 A2 a/ z
- STA Bullet_X_Speed,X
* U7 ^) q0 V2 [0 o; H! z5 k - RTS" {) r5 H `- a. H% S
-
2 k4 o+ C+ l) b/ m - Track_Enemy_X_Greater: ;子弹X > 敌人X* g$ b5 D/ P: \% Y& E) C
- CMP #$04
* o; _7 }1 T2 a7 K - BCS L4_1
! N# e* M" P8 z# g9 f5 K8 @ b$ X# { - CMP #$02
! q1 f' S( R" I - BCS L4_22 a6 i1 W3 l4 h: ]
- LDA #$003 M b) v! @- j( _
- STA Bullet_X_Speed,X
4 \' I1 U% Q2 l5 v - RTS& Z9 m/ N ]7 c$ f; V- [ A& i
- 4 r. F# N- X# P/ H+ i0 `! q" T+ H3 w" F
- L4_1: 3 B7 I# S! Z( H7 U2 f% V: H0 {
- LDA Bullet_Type,X
2 {$ K0 {7 e' `5 _3 f& v - AND #$0F) Z) m4 v6 n( t7 J; _: o
- TAY
R; t& ~6 _0 L! G9 F - LDA #$00: T" b% r, s' a t# r5 R
- SBC Bullet_Speed_Data,Y
" L+ [& U @6 l$ @ - STA Bullet_X_Speed,X+ s& C! `6 x) V: |
- RTS: {0 S' L8 s6 E. d4 }! y0 S
- L4_2:
! H+ g3 H/ c& I& h8 t/ G' R - LSR I$ i3 H- d4 ~# W
- STA Data_buffer& p; b- a, h! u# ^( O0 c
- LDA #$00
7 I) a$ y0 r) W) V5 a2 Z - SBC Data_buffer
/ }4 i( P8 k) J$ [5 p8 P+ a - STA Bullet_X_Speed,X
5 i$ b- l3 X5 r - RTS3 e" D# M) n; Q# q) i |
-
. L, l1 Z7 W( i" B' m3 i - Track_Enemy_X_Equal: ;子弹X == 敌人X; r: w# g1 H" X
- LDA #$00
% u$ f( }) P' r( n% Z) ^ - STA Bullet_X_Speed,X
k' X' z: t+ r - RTS
, ?: |4 G7 {1 X) m: s -
! Y4 L9 V" |# Y+ Y0 ], f - Bullet_Speed_Data:/ k3 P; n: ~# L" _+ w. {. O( j$ w
- .DB $00,$03,$03,$02,$03,$03' P u- e7 b# _3 ?: d
- / _. K! ?1 ~8 g, V2 S7 v4 S- Y
- ;2, 4关
$ \7 H) K9 m4 ~/ A - Track_Enemy_Ex:
$ }0 s5 P7 V/ n4 z% B2 q z - LDX #$0F' `( W/ i: t+ h* r+ e
- Track_Enemy_Ex_Begin:. n; V$ m2 @2 ]. O; C2 X6 d! J6 L
) P- B$ C# i( f- LDA Bullet_State,X0 p! y. j! L( f/ d1 b
- CMP #$01 `# C, q9 z' z- w' E" ~+ r- p) X
- BNE Track_Enemy_Ex_Continue: H, |: u ~' r% C7 P
- 7 j2 R* E7 S9 V4 P# R, l9 K
- LDA Track_Enemy_Index,X
7 m# Z. W; e0 Q0 ?( D - CMP Enemy_Index
8 {. B: V( f; ?0 j2 n% i - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
0 a- _- T( z2 j8 B( w -
1 C/ `3 N4 R* X' Z% l' B9 V) D) b - LDY Enemy_Index
. a/ {1 _7 B! Q6 ?) k - JSR Track_Enemy_Ex_X
) l. k1 z1 I5 D g! s -
& N0 o) d3 g% B - Track_Enemy_Ex_Continue:
9 C9 L! f+ h9 T2 U$ ?: a; P8 Q - DEX
" X; ?+ H/ ?7 ?# ^* j8 b% { - BPL Track_Enemy_Ex_Begin! Y9 x: A4 \9 M( X( r
- Track_Enemy_Ex_End:
n( p3 V! H1 j - RTS" ^- }! J, L" _
- % Y n9 N0 q2 }2 k: s
- Track_Enemy_Ex_X:6 J( C$ S, i8 {4 z8 q, k4 B
- ;LDA Bullet_Z_Pos,X
8 O ^( M; p. | ]4 Y8 e8 s/ @/ q - ;CMP #$04
4 x! h7 q {" q! W - ;BCC Track_Enemy_Ex_X_End8 e- p! S8 x% z6 {
- SEC8 V+ Z) \% C/ M! S; w* H9 [
- LDA Bullet_X_Pos,X
* N3 T+ Y4 U4 a$ m4 M/ ? - SBC Enemy_X_Pos,Y9 _, u) f& F. \7 o9 O1 K1 p+ L$ G/ Y
- BCS Track_Enemy_Ex_X_Greater i8 Y- I/ P+ R$ |- q! L: k
- , H5 D2 A* F* y8 d
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
9 p2 \3 e! e- _* [; y - CMP #$FD
: U+ ]4 S) Z) g& Y - BCS Track_Enemy_Ex_X_Less_End+ ~9 d9 O# F' G- [
- LDA $6020,X9 e, [0 R2 X+ G6 d* R, y
- CMP #$2A
) f3 o% {: D. B- w/ S, ~ - BEQ Track_Enemy_Ex_X_Less_L1+ _* g& e0 H$ U& r. x' [7 V0 K6 }( e& ?
- LDA Bullet_Z_Pos,X
; L4 `) U( y6 a+ Q1 ~$ y! a# j( x - LSR4 z6 m$ B* l/ A0 D- v
- TAY
& W$ {3 z! K* a1 ?4 s$ i# I; V - LDA Bullet_Speed_Data_Ex_R,Y3 i) E. L0 }( i4 s+ K' `) C$ A
- STA Bullet_X_Speed,X q! d, Q- S& K0 M- k
- RTS
1 q1 T+ R, g6 n& g2 K" a - Track_Enemy_Ex_X_Less_L1:7 f8 V! D: C3 r7 e* `
- 7 @ A7 o2 s l: o4 o, T9 K
- LDA Bullet_Z_Pos,X8 w6 J$ u3 p$ F' y6 y
- LSR
' o, [- }& } ^: t! k - LSR$ d X3 _ T0 e5 I5 p2 U& G* N4 Q
- TAY4 Y& }3 I; A: Y: {; p3 `6 @
- LDA Bullet_Speed_Data_Ex,Y! s7 Y% g! ~& M& }
- STA Bullet_X_Speed,X+ ?! T# Q" j5 [! J1 l, {7 h9 l3 {
- RTS
, \2 q2 Z! k; @ - 7 v1 j7 c) W2 I. i* q
- Track_Enemy_Ex_X_Less_End:
! z" ^( k7 q8 ?* x) h - RTS
4 o0 k5 u$ P+ g+ ?& d; p: V$ A - . {* G! M/ L- f: D' H$ F5 q6 v0 X
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
( t) P( u6 `+ a; p7 k - CMP #$03
# k* y) ^! p: w& x) G% ] - BCC Track_Enemy_Ex_X_End
0 ?# ?0 u) s5 j - LDA $6020,X1 V) @( U3 w( [0 P
- CMP #$2A
* h: j% [ |& T j# v - BEQ Track_Enemy_Ex_X_Greater_L1' `) ]. Z' w; @1 g1 z& Z& W$ _9 k2 {
- LDA Bullet_Z_Pos,X' @+ L! n& R4 g% M, g/ N
- LSR! t6 w* D/ E. d5 ^/ t
- TAY
1 c1 L. B/ ~: A2 } - LDA #$00/ m/ u+ ~" v5 S( k+ A, l( W0 P8 m
- SEC3 y! L) ~0 e! Z
- SBC Bullet_Speed_Data_Ex_R,Y
. U K; f3 C; _+ S5 N- G) Z, s. V' t - STA Bullet_X_Speed,X# s8 g% v* p; B" @# d3 x# j" G
- RTS
9 t$ U7 r0 z) O$ l; q* c* U - + c( Y3 y* ]) C' g+ w+ S0 c
- Track_Enemy_Ex_X_Greater_L1# w% q# a8 w$ X
- LDA Bullet_Z_Pos,X' N: s6 {# [# |5 J' Z
- LSR
: s s- c# Q" ^2 Q$ C" ^! }! E - LSR
: X/ s* U9 j2 T3 I( N$ D( O - TAY; \7 B" j; y& U: B5 {
- LDA #$00, A/ Q3 y7 ?3 a* t
- SEC. A; y m. B& Y" G. B
- SBC Bullet_Speed_Data_Ex,Y
5 ?8 g% I9 I+ q/ M3 f8 c1 }" ~ - STA Bullet_X_Speed,X
( V2 T5 A% A" I. u! L$ t - RTS) K* r+ V. y6 m5 B; q' J
-
; s Q5 Z, @$ _' a; L - Track_Enemy_Ex_X_End:. u4 G6 k: A1 H6 Z6 k- F
- RTS
3 G, m) f7 D+ | A: Y" W - % J, p% H5 G' q/ n- u* V
- ;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)
4 p0 L* l5 ^- ]$ \ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上+ I% ~! S$ {1 K9 n( Z
- Bullet_Tract_Direction:; e4 L' U8 e" _# k! b" l: E& w
- LDA Bullet_Icon,X' v- v$ M8 I# i# {( g: [1 J$ b D3 g
- CMP #$23
% N0 _, q- j: O2 w$ H+ V: V - BCC Bullet_Tract_Direction_End
, R- @4 F- U0 D9 n6 J -
- |) L! Z. O" z5 v) M - ; X != 0
" ~$ m( a: p7 R! L# F0 b' W: k - LDA Bullet_X_Speed,X
- ?" {3 S6 b! p% T( E+ x4 ~. \: Y o - BEQ Bullet_Direction_V5 h. ?) A% U# A" E6 G6 u# [
-
* [, s8 w% F+ [2 |' a - LDA Bullet_Y_Speed,X
* x3 A1 @9 N1 j" ^8 Q - BEQ Bullet_Direction_H
( m! ^8 c* ]0 v$ r" Z# v -
" I2 c. _! R. t6 G - LDA Bullet_X_Speed,X3 v- I5 {. e- F! p
- BPL Bullet_Tract_Direction_Right
% ~" i- c) \) q) r - Bullet_Tract_Direction_Left:
& a. Q" W" {& f" S) \1 {/ n0 D - LDA Bullet_Y_Speed,X
) _/ L- Z5 t7 z _5 u - BMI Bullet_Direction_Left_Top' @- b. Z2 C8 ]5 P6 W! A
- BPL Bullet_Direction_Left_Down
; |) F/ L( a7 n& L - Bullet_Tract_Direction_Right:9 Z+ V- Z" b- u! L0 s( S' a9 U+ ~2 w
- LDA Bullet_Y_Speed,X, @9 v- T! p& Y. _. Y
- BMI Bullet_Direction_Right_Top. q8 m& T5 s9 C6 w8 C- j
- BPL Bullet_Direction_Right_Down
- s! [+ J2 y( {. ?: K2 b - Bullet_Tract_Direction_End:8 {+ _2 [# ^ Q) p
- RTS
[+ r( \! S; G( j/ @+ X$ b2 K% Y8 \
' e- O$ J( o/ T$ o- Bullet_Direction_Left_Top:
" L5 |+ P2 }# K v* A - LDA #$25
* u k+ K. o& x$ r% f$ d* m* M Y/ f - STA Bullet_Icon,X9 j- K* y5 T5 Z( ^1 a* D: V, \2 Z/ G
- LDA #$C0
* @4 B% P' [! L - STA Bullet_Direction,X
+ K, p+ L3 L9 U4 t, T - RTS
) c5 ~! j4 t* a ^# S+ o - - r; m* R4 [5 H' v' U J* R
- Bullet_Direction_Left_Down:
: z9 i+ V3 b( R6 f- J9 R0 m% ^ - LDA #$25
" e7 Y! a( D9 Q) M' \ - STA Bullet_Icon,X
; j2 [# U/ B) |' `; l - LDA #$40! f. K) h& |8 T, k# U; _
- STA Bullet_Direction,X( W/ Q. t3 x9 |5 O- D! d6 K7 t K
- RTS
7 l$ H- G+ \8 D9 I1 C$ h }( q4 C
9 Z3 x# j: {& Z" }5 z8 _- Bullet_Direction_Right_Top:
9 P k" x# |( d# t% O' u - LDA #$25
' c$ E% o% |. N1 E( ?% n - STA Bullet_Icon,X) y# B2 h- w7 f8 k$ [- ` a
- LDA #$800 x" f2 n* j% S/ K4 k3 i6 p
- STA Bullet_Direction,X
' S# ?& ?$ ], L6 X+ X* C - RTS0 s! c0 S4 N) c, @2 c; _
8 ~$ W! Z! z, n$ ^/ p1 O U- Bullet_Direction_Right_Down:
7 r. L/ H; k9 x, T2 ] - LDA #$255 p3 x$ e% q$ Y
- STA Bullet_Icon,X
8 H* _8 L- X( a5 h' Y - LDA #$00
) I3 \: i3 j7 L: @* C8 h - STA Bullet_Direction,X5 l6 s& P! y W, x$ B" l. H
- RTS$ a; f6 W/ L4 M% W# E G4 z
+ s* b- ^/ ]/ C6 f- Bullet_Direction_H:2 p* F* x) h0 V; E
- LDA #$24- f4 z4 E2 S- a+ J, v; r
- STA Bullet_Icon,X
9 @: @- Q& ^- d. p5 A8 ]; u1 Q - LDA #$00
% }3 {4 D$ Z( f8 b4 J - STA Bullet_Direction,X
+ R. E9 Y3 ]8 r - RTS8 r) P$ {0 K* Z0 J
- 6 ] h7 B2 a. g' ]) z4 H( t
- Bullet_Direction_V:4 \/ {! V) X$ d8 Z/ W
- LDA #$23
) Q- p8 |' y& d8 i( ?" a - STA Bullet_Icon,X" }; T `; \" @! O6 j1 b2 _
- LDA #$00
" a( i" B% A& [ - STA Bullet_Direction,X
+ s! T& ]& \" ?( R: e! U# p" H - RTS
, E* A$ p$ ^& D" J - ) s! d, ~! \4 k: f/ f8 ]( B
- Bullet_Speed_Data_Ex:0 O U! J+ P- _& O; H; X/ N: K
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04: x: b/ V, y6 Z5 D5 A+ g& H2 Q( w
- * S% R: K, o! U) w {
- Bullet_Speed_Data_Ex_R:
% H% d. W. M0 h- ?/ c: v4 a* E - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
8 l# u+ E1 |, l -
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