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[FC][魂斗罗][J][追踪弹]$ j* m/ j0 m* y* A
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时间:2023.04.30) {& o% F3 B' W- w9 q$ B6 N
作者:FlameCyclone
8 C3 [$ p& ~# i) ?# [2 B内容:
: C$ E$ z9 Y/ }* F 1. 所有子弹追踪敌人+ S% ?: g5 I* w9 Q' \1 A* q% n
2. 选择键切换武器4 S; h: y) c) Y9 S( O
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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# ]' [$ n# L* }3 C4 n) S9 l- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
( l! n+ r/ a0 j4 d - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L, O9 F6 u5 U& _# f" y D! O2 X- ~
- 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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& O8 { `6 x8 t- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)1 w' ]! \7 o$ {1 m+ k
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上) z3 ^- m/ R* s7 t
) v6 C' m5 Y" | r- Track_Enemy_Index = $6000
: C$ ?" o& ^# d - Enemy_Index_Begin = $6010! Z7 t) L- L! c* [. a5 a
- Enemy_Index_End = $6011
% I; D2 e$ S8 d0 p o! z; ^# e
8 J3 w; c5 a2 e9 o* J) V" ^- Loop_Index_I = $6012
8 ?2 Y4 \6 G; h3 q, f) ]6 D1 H - Loop_Index_J = $6013- k. o& `# k/ y- F
- nEnemyIndex = $6014
# r! n ?: H( z V% K" a1 H. n - Data_buffer = $6015" d. w% \/ d h, u
4 b( r4 e$ z# }: q, e, ~- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
/ y/ ^3 r# b5 l8 S- ]7 J - Bullet_X_Pos = $03C8 ;子弹水平坐标& {: E) |" y! T9 t5 y1 L6 `# i
- Bullet_Y_Speed = $03F8 ;子弹垂直速度% c* u# j1 `) |+ Z# t9 S
- Bullet_X_Speed = $0408 ;子弹水平速度
% ~) N: \! Y, O: S6 R9 n - Bullet_Z_Pos = $0418 ;子弹Z坐标& u4 ?" O, ~$ `/ N$ [& R+ p6 ~ H
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
+ @) _" j5 R |! V1 L
5 U) `5 ^: G2 o- 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
, y' `7 R U9 {% n- p# U; h - Enemy_Blood = $0598 ;敌人血量
" B1 g8 g5 p2 T7 O2 | - Enemy_Type_Addr = $0528 ;敌人类型: K& [, k' F' B: I# j3 Z& m4 m& Z
- Enemy_Blood_Addr = $0578 ;敌人血量; m% e& M: V" t0 {* M- _- R( b: r# k
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
, Z6 I+ ?, ]. i7 m - Enemy_X_Pos = $033E ;敌人水平坐标# s0 Y; h( }1 W
- Enemy_Y_Speed = $04E8 ;敌人垂直速度. y A& f( h& V3 h2 J/ q
- 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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. F6 X0 n7 R& Z- Enemy_Index = $83 ;, H |- L; ]4 H$ V- o0 v
- Time_Count = $1A+ O& s& ^' y4 ^1 B8 Z
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率6 {1 \: ?( P. h; z+ Y6 v& A' _' p6 ~
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- " Q/ S( w5 v* I3 S" L
- .ORG $6100
h' z0 s q, U& ? - Process_Begin:( C3 K8 c7 D6 G9 p" {. S# _: ?4 t
- JSR Enemy_Check7 h# Z. x- h7 j# {- H% c0 D0 a
- JSR Track_Enemy_Check4 C7 h) V! X5 r0 a7 g3 r7 g6 o; S
- Process_End:: f7 t0 O5 O" j
- JMP $E54F
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2 q( |* G3 h0 j( h- Enemy_Check:
4 O3 j' X- U3 S2 S/ C - LDA Time_Count. |9 c r2 `9 J1 G8 M9 U! c
- AND #Track_Bullet_Speed, Z0 p( U8 Z5 s7 j( O
- CMP #Track_Bullet_Speed
8 x* G9 M' |& Z( I, s, h - BNE Enemy_Check_End
4 _- F3 S5 b; p - LDX #$0F
) @9 o: ^1 y# ?& Q. l - Enemy_Check_Begin:+ X# K, T; U- W- J& W# O# S2 U
- LDA Enemy_State,X
! i1 @. d s7 E - BEQ Enemy_Check_Continue
8 }! G) f$ N1 l6 w6 E) Z# a - STX Enemy_Index
3 a* _0 ~& V8 [9 R' e - JSR Find_Begin_Enemy6 \+ t3 M/ b! I" l! ^
- JSR Find_End_Enemy
4 P, V s" K; y# I2 @/ O% F - JSR Bullet_Track: `/ d5 l! @% Z- e' B
-
' W8 e" B4 {: d1 d" J( u. v - LDX Enemy_Index7 Y; S/ v' P$ X1 U2 l N) P2 {: I; J
- Enemy_Check_Continue:
& E8 G# `7 U; ?2 J# R2 B5 C- J1 ]8 K - DEX* k9 ^ v# ~ w3 o& {" `3 i' d
- BPL Enemy_Check_Begin5 v4 L6 E; E X3 u+ k
- Enemy_Check_End:
9 x6 d R* j" F/ V9 e/ a - RTS
1 T M# v8 \* _) ^ -
% `. a' j. Q6 H/ y - Track_Enemy_Check:
9 _9 ~( H0 B. U" y7 Y - LDA Time_Count9 a3 A1 I+ G- E- e9 H; R
- AND #Track_Enemy_Speed& D- R+ k- O" H
- CMP #Track_Enemy_Speed
3 U3 `8 A+ g8 A - BNE Track_Enemy_Check_End. D+ a( @9 H( U& p: `& @9 C: g
- LDX #$0F+ E0 Y5 L3 F8 h
- Track_Enemy_Check_Begin:
. }+ D$ J# ~5 `2 Y& d' _+ E+ Y a - LDA Enemy_State,X
1 V4 |* M/ a, d$ E8 T - BEQ Track_Enemy_Check_Continue
1 D; Z% N: G4 K# F* b0 _ - STX Enemy_Index
* d1 ^* D X1 k0 C( | q - + i$ \5 N A6 t- Z5 g: C6 }( d
- LDA $401 ~8 f1 ^5 F5 M
- LSR
4 U) P# G8 F* ~* H - BCC Track_Enemy_Check_Begin_L1
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& k4 G8 ^' {$ q" \7 Q4 t, U - JSR Track_Enemy_Ex ;2, 46 V$ M2 g& A" p+ U6 H$ ?
- LDA #$00
- C( N/ u# D) n, A9 y( ^- j - BEQ Track_Enemy_Check_Begin_L2; ^9 j7 m6 W5 m( `) g8 K
-
1 G8 h- R) _' Q7 }+ Q; h - Track_Enemy_Check_Begin_L1:
1 r6 g" m9 x9 E) H' H' f+ Z& D - {6 m- d: M8 p5 i3 D. \5 E
- JSR Track_Enemy
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1 Y( D# a5 h) R4 [1 ~' f: j& N8 O- Track_Enemy_Check_Begin_L2:* L0 E* n0 `/ y' h# ~- i
- / p* z0 t2 f* q/ @0 Y5 H# I
- LDX Enemy_Index
8 R6 R1 F' v! o. M* z - Track_Enemy_Check_Continue:0 L1 X& c3 v4 G$ m6 d- J
- DEX0 v2 c6 x3 ]+ T+ {$ M% B0 i4 s
- BPL Track_Enemy_Check_Begin
% e% i0 E3 Z" v9 S, G' b - Track_Enemy_Check_End:) }% k( i/ H/ M7 Q! }
- RTS
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- 2 {" Q K1 }& r! z
- ;查找第一个敌人. j( a6 m. H8 d0 E5 O, ^
- Find_Begin_Enemy:
0 C6 h7 S3 z; S }- N9 ^ - LDX #$00! ~: j4 ]9 Q2 M" m2 x% C- f2 K
- Find_Begin_Enemy_Check:
6 k- W8 p3 N5 e5 e5 M* _8 W( H - LDA Enemy_State,X
7 U3 ^# e c% [3 Y( ? - BEQ Find_Begin_Enemy_Check_Continue
$ m( A3 Y! v& z. \8 Z - LDA Enemy_Blood,X& Z2 u8 ]4 c! t; V" p0 b
- BMI Find_Begin_Enemy_Check_Continue
/ U7 S* G- x" z/ F2 t - BNE Find_Begin_Enemy_End
( X7 L- t, t) D$ Q- L - & j4 S3 b2 f3 }! Q! G9 i2 Q. ?
- Find_Begin_Enemy_Check_Continue:
4 A/ d- M" g" x4 R! B5 G - INX- b1 ?. z* ^, a! m
- CPX #$10
4 S9 ]: E* _: U% {6 v - BCC Find_Begin_Enemy_Check2 F; @! O- r. l4 Z
- Find_Begin_Enemy_End:9 c- ~- C* | ]. d$ _2 [! o
- STX Enemy_Index_Begin- F! S$ z4 c% m' V
- RTS
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0 ^4 B$ J4 M3 S/ e* d1 f9 L2 O- ;查找最后一个敌人: ~% a3 U, l: [2 T' w- n
- Find_End_Enemy:; ~; i0 I4 g3 h8 @# t5 c7 H. W
- LDX #$0F
! C H6 s7 Q3 F! C7 ?2 D# ~4 b - Find_End_Enemy_Check:5 y. v8 D, e# h& }
- LDA Enemy_State,X
& S0 a7 F# B0 p, x' ~" K - BEQ Find_End_Enemy_Check_Continue
' V8 n: k+ f/ |( n - LDA Enemy_Blood,X
3 s$ R4 f8 ~0 d$ U - BMI Find_End_Enemy_Check_Continue
% u t- q; _% i b - BNE Find_End_Enemy_End
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: X6 h# |2 W+ a5 J) ~' L - Find_End_Enemy_Check_Continue:! O0 }& n) _9 s* j: P+ O
- DEX
; B `- w; _% q2 E( }4 o1 T - BPL Find_End_Enemy_Check( G* s/ M* N; i6 ^" f5 G1 i
- Find_End_Enemy_End:
$ [) }- V6 i* s# Z+ Q/ o - STX Enemy_Index_End
8 K+ }+ [; e. I, Q8 S) S1 P - RTS
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- ;子弹追踪 t2 B8 B# _/ [
- Bullet_Track:
: R$ ]8 D; q3 { t' J - LDA Enemy_Index_Begin
9 U3 n# O' N5 H) g s" ] }, v - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
! q4 w; c4 r5 F) q& R - LDX #$00
% o* Y2 Y2 e4 q& B# X$ W% z - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
; V, o1 a" q/ v8 ]7 `: r2 g; C - LDA Bullet_State,X4 }1 \" g. U; z- B% a; h g
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
8 n) b7 L" n; `! @& t - STX Loop_Index_I
) ]% Z3 j) v5 z -
- F7 L0 B Y9 |3 o- h% X - JSR Bullet_Track_Enemy
9 g3 i" j9 C( @; S) b+ q& Q - JSR Bullet_Tract_Direction2 O) F) B X' W
-
; u9 x+ H" I! P, _" T - ;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
) Y L9 ~1 v5 ?8 C: S - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
" l4 z1 L: q! a8 R2 U - LDA nEnemyIndex
: ]" I! C4 g( D8 V - CMP Enemy_Index_End6 B$ p# {, f6 @' f- q6 H
- BEQ Bullet_Track_Check_Continue
: q' j2 p& S2 u1 o0 l - BCC Bullet_Track_Check_Continue6 [9 d# A E3 q
- LDA Enemy_Index_Begin4 Z( w: G5 J, L( }
- STA nEnemyIndex
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- Bullet_Track_Check_Continue:# r5 i( \1 g5 U( J: p1 u
- LDX Loop_Index_I
. W% f# @ X4 y9 L+ k8 @" j- [ - Bullet_Track_Check_End:
) T# U4 I! ^# @6 q1 z2 j! S - INX2 L) B$ `8 v& [
- CPX #$107 ^5 [- U8 O6 ?4 r
- BCC Bullet_Track_Check8 |( W' S/ R8 ~/ d2 d2 A( ]( E
- Bullet_Track_End:# ]1 L6 G+ f* _& ?! r+ Y* K: n) C7 o
- RTS
- P l% y7 V" x0 ?7 i/ W -
5 C$ w1 F- Y4 V5 }3 Q6 I - ;给敌人分配子弹
" m# z' u. Q I4 {/ p1 B/ E - Bullet_Track_Enemy:
3 a3 }, Z/ e9 }1 \0 E1 s3 c - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)3 J& y# E2 |! `. D8 R
- Bullet_Track_Enemy_Check:
. A' K; b" i& b5 g1 c6 a - STX Loop_Index_J
# Y' x$ ?( G9 G9 i -
! I1 [+ {! z' j! _, X' r - ;if (0 != nEnemy[j] && -1 == nTrack[i])
3 U! y: D! N" F# r# x - LDA Enemy_State,X
. l4 Q1 V6 j0 A4 B k2 C9 r4 M - BEQ Bullet_Track_Enemy_Check_Continue
5 r1 C, r" g8 _ - LDA Enemy_Blood,X0 V/ e# A1 T. ], a/ d: F) y
- BMI Bullet_Track_Enemy_Check_Continue
: y1 ]* ^; z) N! e5 y -
' y8 B1 H5 C" l, O3 E/ f; y3 @. C' H - LDX Loop_Index_I
3 s) U) l6 }, |- w5 a" [/ N( P4 [ - LDA Track_Enemy_Index,X0 g, k( a, ?) \0 P5 _% ^
- CMP #$FF
# c6 \/ y9 z5 I. L2 w - BEQ Bullet_Track_Enemy_Init: N. P v# d8 S: ]' p
- ) x* s5 e, U% k
- Bullet_Track_Enemy_Init:
# Q# x9 v$ b/ o1 j - LDA Loop_Index_J
) b2 M9 z1 H2 V$ ^ - STA Track_Enemy_Index,X ;nTrack[i] = j;
) q; e; `2 O6 x# Z+ h) s -
5 @2 g$ }# \) y) ^0 p - STA nEnemyIndex U( k( J) S% f- C( M4 F% \
- INC nEnemyIndex ;nEnemyIndex = j + 1;
' Y( N: O4 O# c# r( W6 K - RTS ;break;
1 h7 o8 u9 A6 W3 l9 E, \5 E# u
6 j( E5 y7 p! w! Q" G- Bullet_Track_Enemy_Check_Continue:
$ |, K2 u2 f# f! l. ] - LDX Loop_Index_J
H- F7 N& e' H - INX ;j++
% r/ V* N6 s$ T5 N. ~, k - CPX Enemy_Index_End
1 g1 R! j, T1 w1 K4 c" K4 K - BEQ Bullet_Track_Enemy_Check
* z+ N2 L* b" k - BCC Bullet_Track_Enemy_Check
7 H/ \; \: a! h8 j, B% l - Bullet_Track_Enemy_End:* P. d9 B7 \$ Z$ m& h
- RTS
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3 s P# y7 e! M2 H. ]- Track_Enemy:
0 q. r; c& N0 j- u | - LDX #$0F
2 ]3 H* g8 h9 m; K2 m" A# E - Track_Enemy_Begin:: R4 U# Q, u$ A9 f" u" t
- LDA Bullet_Icon,X$ D4 ?8 J" N& z8 X( I* y
- BEQ Track_Enemy_Continue& @4 s7 _9 l4 u7 b! b
- LDA Bullet_State,X
8 `4 u8 i8 f8 R6 ^ - CMP #$01
. Z. P O- H+ a3 C7 p: n5 D/ I - BNE Track_Enemy_Continue
4 F6 E( b% O' J! V9 j, { -
: T4 f6 s/ {* C. Q; E - JSR Track_Enemy_Process% p7 D, K( j" {) ^
-
2 P3 h8 n l; D% L - Track_Enemy_Continue:
+ g v9 S4 Y8 s( w! `) v - DEX: j' X/ {" ^- I. U
- BPL Track_Enemy_Begin8 |/ l. l: }& }( G& H4 d2 F3 M
- RTS
% `1 S! k! |& K$ \# D
. u* J/ W: w5 e, R6 D- ;普通关卡
+ x7 j; o* } l7 `9 d& D - Track_Enemy_Process:6 m4 z7 X) C- e7 G
- LDA Track_Enemy_Index,X
4 S% ~$ }' O" V, W0 @; X' S4 ~ - CMP Enemy_Index
}" q: i6 Q' `' G P& n - BNE Track_Enemy_End
0 n- `; { s1 ]( ]6 s( [9 A- H - LDY Enemy_Index
1 ^ ~% ?% ~- r - JSR Track_Enemy_Y
1 V s; ~0 ]: i - LDY Enemy_Index
8 V+ U( C v" g - JSR Track_Enemy_X1 ]+ W7 n" G% _$ N% v9 b$ t
- Track_Enemy_End:! w2 M4 F9 h; I5 C4 o" t2 N- _) F$ I
- RTS
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9 ]) i# y# M( h9 ^$ p - Track_Enemy_Y:
" b! G6 s/ J* ^) ^7 p! e - SEC
6 f- ]; x3 m2 q/ ~$ |# G - LDA Bullet_Y_Pos,X
; H0 R+ S# \3 C: h L) v# j - SBC Enemy_Y_Pos,Y
( k; z- ~9 ~: Q! v) _7 _3 { - BEQ Track_Enemy_Y_Equal8 J( \5 A' h6 u% j
- BCS Track_Enemy_Y_Greater
5 y! z) ^. P* I7 [ g" ^4 L8 h - % o. K! b, `" E% K: E% w# B; ]
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
) H2 x2 g4 ]3 N - CMP #$FC3 {/ @; c" }7 u% y
- BCC L1_1
* Q) h. ~. ^7 O' O - CMP #$FE1 |2 H# l9 g% g9 ]1 v8 Q
- BCC L1_2
, Z! o; n( \9 O) o. C0 b - LDA #$00# m! M- ~5 ]6 O# Y+ Q; \3 L% \
- STA Bullet_Y_Speed,X2 N4 @$ ~1 r$ k' E8 [6 W0 }
- RTS3 Q5 O* P9 y2 m- |6 R
- L1_1:
7 U8 \+ e2 o- T; H - LDA Bullet_Type,X% P) i; U/ ?8 {6 {+ c6 p. N# ?! e
- AND #$0F
& S. f9 c. [7 i2 O) N - TAY
9 w, Q) B9 B+ `: C) O - LDA Bullet_Speed_Data,Y
( S3 s$ @9 W+ K( Y2 ~& v - STA Bullet_Y_Speed,X6 d, b0 R, q z+ Q
- RTS( b! y; h: z, t! b! C
- + N" V! m1 Y( u; H
- L1_2:
- F; B4 P3 V, w% x& C - STA Data_buffer) @4 e; T+ q, `3 Y
- LDA #$00
- `! w$ @; J! ]4 D( ~ - STA Data_buffer( O. g+ G! m. f5 E: ~7 p- T
- LSR! M; \3 N7 V, K8 _4 y# _4 j
- STA Bullet_Y_Speed,X. T# b; e5 {0 v) j5 L% ]
- RTS
. q% f9 e/ ?( p4 s; _4 g# ~ - ; s: D6 I9 d) ~+ B) \
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y2 @# h2 [( q' O+ @* d+ I& |# e" J8 g: I
- CMP #$04
0 C6 M) y& \6 ^3 S - BCS L2_1( B+ |& q2 w) ]! J' b3 s4 [
- CMP #$04
+ l3 B! L3 j3 B6 y& V5 L6 T - BCS L2_2
5 n- ]) W4 |7 C& h9 \' c8 H - LDA #$007 s$ z/ h) c2 }: P, m( T) l
- STA Bullet_Y_Speed,X
6 g2 j. v* D' c6 Z! ?+ H8 y - RTS+ Z$ z9 ~# F& a$ W
- 0 O( _0 ^( W" ?5 K& C% i, e* g) d
- L2_1:% u1 y8 A! U) ?
- LDA Bullet_Type,X
& l+ y, D; W+ H8 O0 I8 w - AND #$0F
9 y( H. B, z5 Z w3 v: @+ @7 | - TAY% c4 s3 o9 _) O+ D8 x; f8 O
- LDA #$00
" @8 W( Z7 y& N% t9 `! {, U8 U - SBC Bullet_Speed_Data,Y, ?/ I3 m. U2 _6 H6 [' u
- STA Bullet_Y_Speed,X
4 g& K4 y9 R- @3 g - RTS
) |& F& G9 t# p% x# @9 x -
1 J! x) m& [6 d/ c* b7 I - L2_2:
; T5 Q4 O0 b8 K, M - LSR- L1 I( m2 m; N @/ u0 e
- STA Data_buffer
2 @& H4 ^8 G0 ^6 B% j% h- J3 p - LDA #$00% u0 k8 J# K4 c' |
- SBC Data_buffer' u$ _$ Z }2 M8 J6 s+ M% M2 w- u
- STA Bullet_Y_Speed,X/ S5 Y* A0 A8 w: ~" m
- RTS
) D0 A3 F# M3 K - ( u1 n( {+ D5 _6 H1 J
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
- b; O) e9 V* o - LDA #$004 Q& |+ y( s& i6 J; \
- STA Bullet_Y_Speed,X! I" s$ g& N7 x! F5 e' [3 Y
- RTS9 H4 C, j/ M: t8 |# \
- 1 E' X7 K7 P" s; k
- Track_Enemy_X:8 e8 c, g) a) Y1 [2 s
- SEC5 `2 U, [; N' t+ j
- LDA Bullet_X_Pos,X
3 p, z2 A/ ?( m( r( L& m+ q - SBC Enemy_X_Pos,Y
+ P) R. s! r j - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X" V; ]- X7 i( S5 \! A: T
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
, c \2 I+ J6 V* H3 l& C! A% T -
: r5 Z: B8 u9 D% c4 d3 t1 i - Track_Enemy_X_Less: ;子弹X < 敌人X
$ \. i7 a; x4 i6 I - CMP #$FC8 G5 o* \" H8 b* j4 n4 E8 c
- BCC L3_1
' B. A" _- @' `$ M9 m h* u3 ~ - CMP #$FE
7 ^7 R, B/ g( k0 o% p - BCC L3_2
$ t, U' g% N1 I& [) o - LDA #$00
]- F. @7 K q; z* j - STA Bullet_X_Speed,X
7 [. U. ?+ D2 `: J - RTS9 U' b% l) E9 y J; L8 F
- L3_1: 5 B# l/ C+ w4 h' J s
- LDA Bullet_Type,X0 Z3 a# p7 u' h! x* b
- AND #$0F) p' y% C8 `- Q" f
- TAY
. ?* [* F6 A0 V/ _8 t2 j6 _ - LDA Bullet_Speed_Data,Y
, g: c) @4 S9 T& L+ `1 X7 U - STA Bullet_X_Speed,X' i" _6 `( ]6 x* |
- RTS3 R3 s9 r. r/ M8 L& B! {# ~2 l
- L3_2:
/ m& |0 s+ P7 P) V2 O+ X0 f0 P - STA Data_buffer. q+ r$ z" V# W
- LDA #$00% T- V7 q+ O* Y: S$ B
- STA Data_buffer( e' h7 m- V+ r: f
- LSR
; \0 ` e+ K5 O3 ?0 J - STA Bullet_X_Speed,X
2 j6 R2 X8 o# Q' ~8 G5 f8 K - RTS" O1 C( D5 g9 }5 g
- + V6 ^0 O7 r5 B
- Track_Enemy_X_Greater: ;子弹X > 敌人X+ r$ n" u, b: A5 l0 X" y
- CMP #$04
" s& C0 K& v" `: b4 y - BCS L4_1
/ t- [: F% Z. i2 o/ t3 t' q - CMP #$02; u* Q7 m) x. S
- BCS L4_22 w2 J- O) D2 S! P2 I% D* a& w
- LDA #$00
" _$ T2 X! G" S1 J9 _ - STA Bullet_X_Speed,X
0 H4 g; ^' {% A: [( x: z9 s - RTS& d; o V$ M5 }! o; f9 g0 I# o
-
1 A! D. F2 U. W/ v, l5 k7 M - L4_1:
2 l. Y7 \# g" J |7 L8 h - LDA Bullet_Type,X3 j+ q2 f) R, f1 ~" O% I! o
- AND #$0F: P5 i6 z3 O' p0 A& B0 I/ F
- TAY
( K8 N. M& l( M t6 s/ S: k9 E& F s, } - LDA #$003 }4 ]) ^1 t4 s8 e3 U
- SBC Bullet_Speed_Data,Y1 i2 Q7 b) |* c( m! N( G
- STA Bullet_X_Speed,X0 p- d' R7 r) v0 ]
- RTS9 V% S! T) g* t7 t1 N r: C9 E
- L4_2: ( h {; c+ g# Z
- LSR
; F% A4 K( d, t- T+ ?( E( s" ? a1 y - STA Data_buffer
. M. a4 n) `) s - LDA #$00( [4 U6 [% [2 j9 c" C7 \
- SBC Data_buffer$ j- l+ q: c: M8 K& g2 ?8 T& u. q
- STA Bullet_X_Speed,X
% h% u/ }, Y+ s1 A - RTS
1 Y% n2 V+ Z' q* z) O+ P; R; t - * K0 v* c2 J) Z; `7 ~6 D' {6 R
- Track_Enemy_X_Equal: ;子弹X == 敌人X9 j g( B7 o9 t% A: T$ @0 ~
- LDA #$001 Q8 V* |6 U4 L6 ~. ?
- STA Bullet_X_Speed,X
1 Q: a, r' e+ n+ W4 u - RTS; w' I! p. V* h R2 e6 o
- ; K, c- r" N4 d# t$ a( A, l
- Bullet_Speed_Data:8 a" z( d% Z& o, |( d& _
- .DB $00,$03,$03,$02,$03,$03
8 A) L) U: C& j5 {5 z3 p - + }0 x8 S; z5 t- n, {/ O
- ;2, 4关
5 A! u* s# S. l y \2 q+ a; D G - Track_Enemy_Ex:9 u; q$ N& [* h0 C/ `3 H. X
- LDX #$0F
0 g+ b f) \$ A) a - Track_Enemy_Ex_Begin:6 g& \' B6 }1 S2 j9 _ K9 b
- 0 x* i3 k- ^/ X* @4 c$ {7 U
- LDA Bullet_State,X
# A) l) h) Z; T6 T$ [8 u - CMP #$01" t) L8 W/ y4 n9 L
- BNE Track_Enemy_Ex_Continue2 q/ s5 u* ?! C( X; e
-
* s- Z4 F* H3 Y, Z- s( }% J( N4 P - LDA Track_Enemy_Index,X! M& J w! F6 T' y( c! G2 v# t% t5 [
- CMP Enemy_Index
9 ~2 V: J v7 ~ K* q - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
& S+ C& U& C I2 f9 B5 T/ k" K -
9 U. X6 e2 I/ W5 u. \ - LDY Enemy_Index
# g8 \; e, b" K# V" c) f - JSR Track_Enemy_Ex_X9 C' o4 ]4 x7 Y0 p# O
-
8 l2 r1 P# v/ G+ U0 } - Track_Enemy_Ex_Continue:
5 A! l' m" j3 [# I4 P- F8 n - DEX! d! F! W" I) s, X9 B6 K2 `/ V
- BPL Track_Enemy_Ex_Begin
' B7 S( m! P0 p* w - Track_Enemy_Ex_End:
& A( h7 x3 ^& d& \4 v. W' h6 ] - RTS
! M; q I. S5 ] k0 U4 V -
$ B) S+ W5 P8 H& q - Track_Enemy_Ex_X:% o5 E; w9 p! \' L* D
- ;LDA Bullet_Z_Pos,X: Z" T$ a7 |: H7 t* ~2 O
- ;CMP #$04
4 W- `( T; z4 G. g j. M8 m7 l- t - ;BCC Track_Enemy_Ex_X_End) y: \3 T T/ b8 Z5 r! g: h/ F# b, C
- SEC# ^) R9 F7 }5 t- o/ |( s- r, V
- LDA Bullet_X_Pos,X
/ ]9 M! ?8 J5 o- m8 Y/ b) E- p1 {3 Y - SBC Enemy_X_Pos,Y
* F I3 g4 x# M/ V k - BCS Track_Enemy_Ex_X_Greater
1 n, l' R1 }9 l% ?( W; _% r* K - - J* X' w8 a) ]1 j
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X1 w( m5 I& l5 _8 E5 u$ K$ y- M
- CMP #$FD
, O: H7 |7 W% F* c% [ - BCS Track_Enemy_Ex_X_Less_End8 P9 e7 `% O7 p2 [ B# `5 j
- LDA $6020,X
2 O: G, h4 s3 l) p5 G0 [( ]+ A - CMP #$2A
* K ^5 d' G- V" f& G - BEQ Track_Enemy_Ex_X_Less_L1" s0 }0 J5 z& S4 g& }4 N# h
- LDA Bullet_Z_Pos,X3 i- n) f& R }7 y
- LSR
9 T- m. R$ x; Y, B! l! _ - TAY$ i p$ }7 Z: F( f7 f9 B" d2 C( k
- LDA Bullet_Speed_Data_Ex_R,Y
; K& m. @3 m) l i) R& A' n+ T - STA Bullet_X_Speed,X
- Y( s) P) c& ~9 u7 \' s - RTS3 F( m: R" s: a
- Track_Enemy_Ex_X_Less_L1:* c* h! o \$ [* ]% x, V' B& G% w
& C# [' W0 Z W% p9 c- LDA Bullet_Z_Pos,X$ I' q% w( m" {, T
- LSR% K! Q0 q! A/ s6 ~; \# i- X
- LSR
! G, ?3 p. Z+ s4 {) ] - TAY
$ e7 U9 I4 C: E# V, ~; n3 X - LDA Bullet_Speed_Data_Ex,Y
2 L1 K) O7 w8 Q7 o' p1 O- E9 b, @ - STA Bullet_X_Speed,X
+ N! t4 }; K: M1 E - RTS$ u) ~( ~4 v) s- Y9 k# `8 o' T9 w
-
7 X2 z* X2 r v, k6 ? - Track_Enemy_Ex_X_Less_End:
, a% f; |; q5 r" n9 t& m5 g - RTS
6 a+ y" ~) x) [. v, u9 q - p- m, t! h; S; a( o( m1 P2 M
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
8 v! O6 b+ D' D# a1 ?8 L - CMP #$03! s( X6 ~5 z& q! k
- BCC Track_Enemy_Ex_X_End# r) K3 s0 D' G
- LDA $6020,X- f) X# |* z3 f {+ c9 h6 k
- CMP #$2A
, |" _. ~* K; b( a# S! [( g* ~- M - BEQ Track_Enemy_Ex_X_Greater_L1
1 v- o0 x; U% N# u8 | - LDA Bullet_Z_Pos,X7 z- D" q) V5 C
- LSR
$ y, A" s6 H' [3 a0 w1 R2 B - TAY
9 X# Z4 E( k( `, j- { - LDA #$00
; A. v1 T% q" B+ |" H I- c$ m8 q - SEC
5 w7 _- |$ T5 n" m7 n- v6 { - SBC Bullet_Speed_Data_Ex_R,Y
' e. ?+ C- k# m7 i, C9 ? - STA Bullet_X_Speed,X' v6 p* k1 Y ?1 _9 }
- RTS
% v0 {6 Z: y& w: ^1 |. B -
+ J" W$ B6 ~! \$ [, q9 H - Track_Enemy_Ex_X_Greater_L1) u; g9 v) R( [& h- D' M
- LDA Bullet_Z_Pos,X, K2 `3 L( y& c
- LSR- \; F3 F+ a( h: ~# z
- LSR/ i4 b: B' ?1 \8 ]. I# Z5 [% [
- TAY9 z' N" z2 K- b. v! y; s
- LDA #$004 O& g6 V5 h u
- SEC
" }9 P2 O1 {# ^$ y5 M - SBC Bullet_Speed_Data_Ex,Y
3 M. X) j1 ]- F- Y7 _" e - STA Bullet_X_Speed,X
1 y4 S4 J( K* G! E0 s/ e2 `( I/ G - RTS
6 L1 v" k; ^: |7 I9 [# Q9 o; H. w5 c -
2 g. a' y/ `) U) g! G+ X - Track_Enemy_Ex_X_End:
- j# R& B/ o5 ]- F# I - RTS4 g; W& {/ `/ |" E! c
-
, N2 f& @* g' U {8 q$ 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)0 c' a# X o. {0 X
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上1 Z2 v# X: A3 l& _% G! @/ j+ W
- Bullet_Tract_Direction:
3 V" ?- z) }5 ]: R- v9 \7 \3 S1 | - LDA Bullet_Icon,X
! \! A* p0 k' q- L+ k# Q - CMP #$23# S+ ]# i7 e" e4 N0 C" w& A
- BCC Bullet_Tract_Direction_End
9 g j9 R# m2 I8 T$ p -
2 d; U! u2 |5 [# c9 O$ Y, d4 k0 _ - ; X != 0
) W$ G6 g% O5 I' H: @ - LDA Bullet_X_Speed,X \% j* Q- C6 v$ z, H
- BEQ Bullet_Direction_V
4 Y1 P* R* P$ d, c -
D, F3 S0 d. i8 k8 \/ }, [9 v4 ` - LDA Bullet_Y_Speed,X
' c! l: T5 j% w- ? - BEQ Bullet_Direction_H# m8 ]- y8 ?& @* c
- 0 _7 h4 p9 ?1 y$ R2 X" R
- LDA Bullet_X_Speed,X F( Q5 y2 J4 C/ \% ~% A. ]; D1 d
- BPL Bullet_Tract_Direction_Right
0 o- \0 C; q: V* w: G& T - Bullet_Tract_Direction_Left:& }& [ I: [ o5 i/ i- x
- LDA Bullet_Y_Speed,X
6 ^: E& X" o; _* `" \1 Z - BMI Bullet_Direction_Left_Top
8 J$ T: B8 v. ?) u" |1 B - BPL Bullet_Direction_Left_Down
8 E2 M4 P; _. u/ H) g: q - Bullet_Tract_Direction_Right:
) Y# H3 n! e$ g) K; ]! a - LDA Bullet_Y_Speed,X
9 e+ [; O* n# q9 b - BMI Bullet_Direction_Right_Top
; a3 m' C) g/ i! j - BPL Bullet_Direction_Right_Down$ o$ {3 T9 p' J8 O Z
- Bullet_Tract_Direction_End:' L' Y3 |5 |. p5 z& c8 }$ Z K7 Z6 h
- RTS' F( x( \3 n$ G) G
" G& c# C. H5 t7 w- Bullet_Direction_Left_Top:4 D: l! v, @& S" i) m! b
- LDA #$25+ [8 t. F- I$ T" A- P* O+ w
- STA Bullet_Icon,X
: S. D. G. [8 a& o - LDA #$C0* d K( O! E& ]" n7 C
- STA Bullet_Direction,X
& W3 e* e( {4 V$ q9 v4 M - RTS
' b$ Q% ]0 I# H( q8 O - 1 }2 l+ _+ Y+ l1 c
- Bullet_Direction_Left_Down:
. d" m2 d7 W( N; _0 [ - LDA #$25
4 o' Y& r/ Z6 i' I8 F - STA Bullet_Icon,X
$ c; ^& v5 J& B& t9 s - LDA #$40
" l. \' v! ], E3 n" A6 m9 ] - STA Bullet_Direction,X( \9 ]4 _2 C6 Y& H8 r( b
- RTS' |7 Q. q2 M& U( j0 k/ S
- ( _+ z* {/ y, ~
- Bullet_Direction_Right_Top:9 B, x h2 v$ B
- LDA #$25( S4 i/ F9 i# m$ j- ?
- STA Bullet_Icon,X* F$ w' G: d$ t3 M& E9 E* x
- LDA #$80
( f$ d2 @+ f% k' N8 g - STA Bullet_Direction,X, k; R- X- v O7 b. w& V
- RTS+ d: F2 c I$ r5 x3 V
( p! q: d5 }) ?( Z9 D- Bullet_Direction_Right_Down:
$ I) o* Y4 {& V9 D) A - LDA #$25& v& v' u; o2 [( x3 G8 T. w
- STA Bullet_Icon,X
1 y8 Q0 O/ T5 u3 C. h$ k/ P- r - LDA #$00
* \ B/ o5 @! _; v - STA Bullet_Direction,X, |7 ~; A& a& `: ?
- RTS
# z* t* [; A1 y- i a" @ - % _% O. P2 E' P6 D) S
- Bullet_Direction_H:0 d2 b+ T% Z8 s ~2 I v
- LDA #$24/ p/ S+ P `2 c3 v' \: X8 P
- STA Bullet_Icon,X
- z' p* {4 | R) { - LDA #$00
4 t+ ?/ V8 q! y' M M! }, v7 |6 h" X - STA Bullet_Direction,X
S) ]' o( J$ s" B$ n; s) L0 y' h9 c - RTS
! i8 h ]0 {( p! Q1 o - 9 p% O# W, O# ?7 E2 v
- Bullet_Direction_V:
4 c- T9 q/ D# g' Q+ F1 j - LDA #$23
# Y9 |1 v* z- _1 U. W5 w - STA Bullet_Icon,X6 |5 u& S- v( A+ p- V. h3 A! ]4 O
- LDA #$00
8 L6 l" ? _, A6 W - STA Bullet_Direction,X
* u# @0 ~7 Z& W - RTS
! k1 @/ P! f+ I- c; z" @) A, d+ P! K
# ~0 d( \2 i4 `; @) b* @- Bullet_Speed_Data_Ex:
4 ]* j; D4 T$ o9 O% _' t/ [2 } - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
/ z2 X9 q0 m& u5 ^ - 8 _# O5 q$ S8 y3 ~, R$ ~. _% ~* O/ R
- Bullet_Speed_Data_Ex_R:1 F/ v5 w- k3 x [6 i1 {, C$ a
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08( T2 N1 G; J! v3 |- p' j9 h ?! q% g
-
复制代码 * C7 k4 o$ D& ~, h' u+ c
7 B7 I0 @% D7 S) W7 `1 `
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