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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
7 w& s& r0 ~) M" ^9 D! }" g作者:FlameCyclone$ W# p2 M H8 i9 k9 w/ R3 J' A
内容:: R: W- s* X* L' H6 r8 ]+ [+ {
1. 所有子弹追踪敌人
/ R* B% d/ Q1 A9 I4 B 2. 选择键切换武器8 _2 e3 K; ?" y6 L5 R5 V1 p5 [
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
+ H8 a1 t1 d% |. @) S: ~& X4 ^+ a - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
) M1 s! k# r! m. J0 T' w: X8 }8 o) ] - 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)
G7 B: j- y0 I T% q# N) ] - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上8 j% e4 d, x, u
- # ?) Y! T3 ^ y* ?' _/ Q/ O9 o
- Track_Enemy_Index = $6000
& P( y5 U" i# S5 C - Enemy_Index_Begin = $60108 t, D. `+ y& n1 P* t
- Enemy_Index_End = $6011
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' r7 K) _; B: d J- Loop_Index_I = $6012$ `2 b- h e, B/ J
- Loop_Index_J = $6013
, Z7 w9 ?1 w: o9 Z1 y1 ?& Z - nEnemyIndex = $6014
* Z3 X7 z/ c$ m. G - Data_buffer = $6015% C$ R4 \2 W+ V& A0 H
- ; ]4 E7 B$ r0 I5 ?
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标4 f, l* `& W: Q3 ]5 q/ z4 s- l3 W
- Bullet_X_Pos = $03C8 ;子弹水平坐标
5 i+ ~/ P! Q( U- N$ u v1 N - Bullet_Y_Speed = $03F8 ;子弹垂直速度+ ]" k" R+ M7 m9 Q' _- v
- Bullet_X_Speed = $0408 ;子弹水平速度
# _ r7 G! M* u! D1 {& ` ` - Bullet_Z_Pos = $0418 ;子弹Z坐标
7 y7 H9 A- K" {1 R- x% V8 } - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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7 g b4 E( Z2 [8 o2 v% K3 ^- 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
. s5 g; ]2 x; p" Z - Enemy_Blood = $0598 ;敌人血量
! ^( i- I4 M' s4 C* u7 b - Enemy_Type_Addr = $0528 ;敌人类型
+ z0 p& K4 k. t9 z( o - Enemy_Blood_Addr = $0578 ;敌人血量- p, z5 o( j+ d* U/ f4 e
- Enemy_Y_Pos = $0324 ;敌人垂直坐标/ g% m3 a. s8 H" |2 ~
- Enemy_X_Pos = $033E ;敌人水平坐标
! Y* T. j$ r+ x* }, F4 e - Enemy_Y_Speed = $04E8 ;敌人垂直速度: g$ Q7 }' W* C" M: 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
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- Enemy_Index = $83 ;
4 I4 D% K3 z6 Z6 { - Time_Count = $1A5 j9 a1 i' \! }! n/ Z' \, p
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率5 e% C# D" k6 m3 ]- ]' D
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率0 _4 ^" W U7 {+ A, g$ @$ z
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1 m6 ~- E, y, z/ U* |- .ORG $6100" d% H* W: J) H3 P1 U3 O
- Process_Begin:& z! H; }7 R# L$ T6 Z
- JSR Enemy_Check5 l' i, t8 ~# ?( R1 T5 x
- JSR Track_Enemy_Check5 U8 b; V1 z9 r. {" }! U3 x
- Process_End:4 H4 I1 i& S& q; s, z0 D
- JMP $E54F
1 r+ k) I n# T$ v4 ^ - ' q2 b, |# Q+ ?/ L
- Enemy_Check:" T/ N8 Y# j D% b5 b4 h! Y
- LDA Time_Count
% A# n* A# A* `) J/ h - AND #Track_Bullet_Speed0 {; y \2 N+ f" G' i2 B' @
- CMP #Track_Bullet_Speed, r, y- o/ F9 F
- BNE Enemy_Check_End
- k) \8 i" ~$ K3 J0 U - LDX #$0F
* K5 Z/ z. T' A5 \+ S: B! |7 @ - Enemy_Check_Begin:3 `; x [5 J: ~/ D; N8 ]4 I5 I/ Z
- LDA Enemy_State,X
; r- o0 j: Z9 d7 T6 c3 m - BEQ Enemy_Check_Continue& C, e8 l: Q7 D9 @& E
- STX Enemy_Index
/ P! K, Y5 c0 o - JSR Find_Begin_Enemy
% c; j7 n8 `" { - JSR Find_End_Enemy
1 U+ t, T% w7 V z5 i& I9 h" n - JSR Bullet_Track
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- LDX Enemy_Index2 A1 i; C4 |5 N) ^& c+ z
- Enemy_Check_Continue:
8 F9 }5 |) M4 f, u6 Y. ~ - DEX* F& l( Z* R" O" N
- BPL Enemy_Check_Begin( H/ ~* u' d! W) u9 k; _% H% s
- Enemy_Check_End:
h( E6 ?6 `, C5 o3 j2 U - RTS
6 ], K R0 X& v6 u -
: @% w% V" }) m - Track_Enemy_Check:6 {- }- N1 u5 u8 E
- LDA Time_Count
% ]1 _" c4 w* J; a! R/ o, x - AND #Track_Enemy_Speed8 m+ B6 r5 w( Y3 n$ `4 ~
- CMP #Track_Enemy_Speed
$ Y/ y% i. A- J! R8 }2 Y - BNE Track_Enemy_Check_End! I7 [' j# K4 `; \5 @ P) [9 y- h9 n
- LDX #$0F
* M; C' x Q, q3 F - Track_Enemy_Check_Begin:- C) B* x. M" s# j% ^6 d% X
- LDA Enemy_State,X* T3 o: Y2 P3 A% E/ l9 p
- BEQ Track_Enemy_Check_Continue8 _7 {' R( g+ O0 e0 o" B9 \5 O
- STX Enemy_Index4 f) i$ J2 s' [0 I( L; q9 P. X5 d5 j
-
$ q, i* D+ m* y - LDA $401 L& ^$ V, Z/ I8 `
- LSR2 a E9 U; R- s0 n- H1 K6 w1 V
- BCC Track_Enemy_Check_Begin_L1
4 y5 b7 m- A$ ]+ m -
# H& M; p% v5 U; C3 b - JSR Track_Enemy_Ex ;2, 4, e$ z5 S) z6 r5 i( |3 W! {7 Y; s$ B
- LDA #$00
5 u$ a+ H, w; [' g& c - BEQ Track_Enemy_Check_Begin_L2
T1 D) T( N0 ^" J" e0 y -
2 B/ f# A& P3 i( x% D - Track_Enemy_Check_Begin_L1:
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- JSR Track_Enemy8 @) Z& u5 m3 o" O7 V6 [, [4 g8 R5 b
- 8 n/ Q2 T' ~: V3 X
- Track_Enemy_Check_Begin_L2:8 ~5 g1 D% L: i/ I
- 5 S% V2 F0 C9 q/ K8 \& k# }8 X' J' [! x
- LDX Enemy_Index
7 B# |/ q+ t4 r2 ~* N - Track_Enemy_Check_Continue:7 a" w$ @( B& I" [8 q9 T
- DEX
& T5 T7 g+ D( @" o# w- J - BPL Track_Enemy_Check_Begin
0 x% [) J, `8 n - Track_Enemy_Check_End:
" m3 `! \+ C: w+ E8 U - RTS4 k: \+ p% \ a2 C1 `! a& H( Z/ Z
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- ;查找第一个敌人
- j) U" m' f3 |2 T2 |3 D; V. U/ n - Find_Begin_Enemy:
, d6 O6 N9 L# p/ {+ m5 C - LDX #$00, O: Z* A) [3 i; ~! L
- Find_Begin_Enemy_Check:
; o$ O) b7 P; C I' o - LDA Enemy_State,X; Y- _, v# Y( t5 w. A1 v' Y/ _
- BEQ Find_Begin_Enemy_Check_Continue
: q# v$ {) z; S1 N/ ]9 z) c$ \ - LDA Enemy_Blood,X
% S; x4 }+ U: l; R - BMI Find_Begin_Enemy_Check_Continue
: Y& F* T Z/ J: { - BNE Find_Begin_Enemy_End, X$ X) H% k& R/ a3 P) u3 m$ @
- 1 ]5 v$ p. ~0 Q
- Find_Begin_Enemy_Check_Continue:
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- CPX #$103 A$ W( q4 |1 I1 X9 K. G; d
- BCC Find_Begin_Enemy_Check
+ W* Q# [" f( X$ F7 c9 t0 ~ - Find_Begin_Enemy_End:6 V9 p' ^9 c* w5 r( [1 c; Z9 N8 [
- STX Enemy_Index_Begin
- f; ~; y' A. G" v0 L$ G - RTS
9 ?/ F0 ^4 A( q) E, ]! ?+ ?, x - \( F. r' S6 W H$ c3 v) f
- ;查找最后一个敌人/ U1 l3 T9 B$ N1 K
- Find_End_Enemy:
; M {/ k2 L# D/ o% L2 o0 C - LDX #$0F
1 z' ?1 y* b3 Q- I2 H) {7 Z - Find_End_Enemy_Check:' ]" H/ U/ R0 x9 {
- LDA Enemy_State,X
9 c2 v1 S! A% n$ `: D% ? - BEQ Find_End_Enemy_Check_Continue
" ^. U4 S: f9 ^ N, `. V6 C - LDA Enemy_Blood,X
: C. M! C5 t# L- ? - BMI Find_End_Enemy_Check_Continue
8 c5 ^, K8 b! P - BNE Find_End_Enemy_End
# `) d' E3 `/ j& C, H7 F7 c0 Z$ B -
. r7 A7 c& D! e; q$ H4 F# e% E - Find_End_Enemy_Check_Continue:1 g# T. o" ], s" l' T& @! R
- DEX
/ G e0 I) G" s6 @2 a" U - BPL Find_End_Enemy_Check
. B- j: C2 d+ v8 a4 p - Find_End_Enemy_End:
# P0 o2 y, P7 p, x) U1 ^9 | - STX Enemy_Index_End
$ Y& f& V' [- w: U - RTS( u9 }# i; B- K3 n
- 7 `5 X' W$ i$ I( v4 i) ~6 X6 ^
- ;子弹追踪
/ A6 [& _" i) _& B - Bullet_Track:
/ x* {( S: `# q1 V) {, ? - LDA Enemy_Index_Begin. t' g5 u4 u" m" L& W: o
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
: v$ k/ K3 N) E6 Y - LDX #$00
: o+ g" O6 T! O# S/ ^ - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)9 C# d+ x5 d1 L, @- H* V
- LDA Bullet_State,X
# F2 w' L( v/ R$ V* k - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;( I& G) n0 L: C5 O* O$ M$ U0 c
- STX Loop_Index_I
% ?2 R0 W1 U+ r. k ^ -
! z5 j N) H9 H. K - JSR Bullet_Track_Enemy" a4 o$ q0 e: p7 [
- JSR Bullet_Tract_Direction. k: b2 [0 `0 ?' ?% k" A1 y2 B
-
2 q" |& A9 I6 m L - ;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
4 ^7 G, m% ^- e; _5 h - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;3 j- w1 ~1 u7 H
- LDA nEnemyIndex/ v! ]1 Q; t& n/ j7 s
- CMP Enemy_Index_End
- r0 }3 C o- h4 C/ | - BEQ Bullet_Track_Check_Continue
- z7 C2 V( f4 k) \% n% c - BCC Bullet_Track_Check_Continue% X( F& |$ ]8 K+ Z* o/ P5 w
- LDA Enemy_Index_Begin
3 z5 L2 T8 i- _ - STA nEnemyIndex+ m9 l" P2 ]% j" N" A9 u: U# ]
-
( s3 e( {/ T+ E5 |( z7 V - Bullet_Track_Check_Continue:
3 j' o [: ?- Z; B9 D0 o, _9 { - LDX Loop_Index_I
" B+ b/ P D# B5 a6 x7 n3 I - Bullet_Track_Check_End:
5 L& }2 C% ?( f+ V) K" u* R - INX
+ ~" `* G& a; _" V/ ?' y* m" b* v - CPX #$10# I, f( B' z: W) o5 P
- BCC Bullet_Track_Check
2 z2 {: Q9 _. q - Bullet_Track_End:
2 W4 s0 L# M ?) j7 Z - RTS
2 R L" V! | N+ I -
1 O3 n* r9 G- U0 ] F - ;给敌人分配子弹
6 x$ d( `8 A9 V# I1 I; \7 x3 n - Bullet_Track_Enemy:
$ y! x, X7 {. [3 ~9 l) L& n - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)! W% {& }/ `. ?! r9 Z
- Bullet_Track_Enemy_Check:
. ^( `2 f2 u2 m9 R! w - STX Loop_Index_J
: ]( C7 _- E& E: T8 L+ z -
2 W6 G2 M/ H" u. ^; O- F7 N - ;if (0 != nEnemy[j] && -1 == nTrack[i])" ^ U3 O2 i& I5 }/ T' j8 e6 n
- LDA Enemy_State,X& t/ r: U7 z5 ~" ?9 E |" }
- BEQ Bullet_Track_Enemy_Check_Continue7 q2 U: p [% N7 |3 h
- LDA Enemy_Blood,X
, \* o; E% j2 X" X M2 v - BMI Bullet_Track_Enemy_Check_Continue
* t8 }6 D: g' F) ?3 i - $ n+ }- P X0 S
- LDX Loop_Index_I
* c0 s' s% R+ N8 j - LDA Track_Enemy_Index,X
: L5 i' p/ V! @4 C2 U* r; ^ - CMP #$FF
% K6 m4 m$ F8 L) i/ ] - BEQ Bullet_Track_Enemy_Init
2 ~- k" M. ^' r% j9 \; O, N -
8 Z( t5 w' T( @ - Bullet_Track_Enemy_Init:
$ _; p4 m3 c' W! `' [/ L4 g2 f; w6 h! f - LDA Loop_Index_J& J4 O# k- b& u1 _ p! y
- STA Track_Enemy_Index,X ;nTrack[i] = j;3 z5 f" s5 M/ }0 n) ]! s
- 3 e1 T' i9 U. s, b& o2 ^
- STA nEnemyIndex& p1 S& F8 w/ z+ R
- INC nEnemyIndex ;nEnemyIndex = j + 1;
0 y4 j( ^. U9 ?2 H* `' q' S7 U - RTS ;break;: K, W( t* K8 p' @3 \# U; Q5 W4 n2 L
, \1 R) W" F; b j# _- Bullet_Track_Enemy_Check_Continue:
3 \5 `; f8 ^" s! B; d - LDX Loop_Index_J
+ u% |6 @- S' s* M - INX ;j++* K2 L5 \# s1 v0 p* X
- CPX Enemy_Index_End
8 ^1 ?2 D6 D9 ^& ^% I. i# p - BEQ Bullet_Track_Enemy_Check
% u) ]. o9 }) Z8 Z4 Y6 e+ D - BCC Bullet_Track_Enemy_Check# }; \( h2 R1 N( o0 ~" W8 D, T& M
- Bullet_Track_Enemy_End:5 Z( }6 u5 {' M9 [3 s) _$ B
- RTS
- H& O* f, C# O/ S1 {" F. j - + D$ s: L i" B# a; V2 d# Y5 [9 ?- r
- Track_Enemy:
9 k! |/ B5 S3 _. F% o8 s+ g9 M- P2 w# a - LDX #$0F
3 b8 O, e$ `9 q6 p1 x7 N+ R4 h - Track_Enemy_Begin:
4 M' B0 h) F( x' W' S3 v - LDA Bullet_Icon,X& x: c) {9 H* Y" K; {* }
- BEQ Track_Enemy_Continue
k6 F; J2 B6 j. v! b. o2 F* z - LDA Bullet_State,X
* C5 R7 F. X4 I - CMP #$01
: m: v' q' S# t$ V2 _* H! v0 J# f# a - BNE Track_Enemy_Continue
+ a7 R+ J- g% n. N7 @9 s( Q, n -
" ~ R& K5 l8 C$ j3 E+ X( ]9 R. X - JSR Track_Enemy_Process: c& t7 x% j( M' P
- & w! O3 W5 ~) n1 F* H7 l) Y3 S2 s
- Track_Enemy_Continue:
) l( b3 V8 i. v$ e8 K - DEX7 a+ B% Q: m5 ]3 K) v5 T @
- BPL Track_Enemy_Begin5 |- A5 w4 l e' i) E
- RTS
! c$ n' I { I7 E1 |2 ~
; z$ Z* t* w2 \- b$ @: a% M6 ~- ;普通关卡% @6 [9 Z% X- y) @: L2 U9 Y( A8 W
- Track_Enemy_Process:
5 c1 a* t/ ~$ V. a* J+ [' w - LDA Track_Enemy_Index,X
& H% Q8 p: O/ w: j' W - CMP Enemy_Index
' f( I: V3 n; m7 Z$ ~ - BNE Track_Enemy_End; Y( a5 _$ I' R# e$ ]
- LDY Enemy_Index% h1 |$ {: |$ a( E
- JSR Track_Enemy_Y% y2 Z, f1 G, c
- LDY Enemy_Index
' e' y* S6 w7 l. c) S7 C* i f N - JSR Track_Enemy_X" }) ?8 z! H: i9 C* E+ e
- Track_Enemy_End:
" }4 d. Z# g: B& t9 T$ w r$ { - RTS1 A1 P9 {: t. R+ R. K+ j: p5 j
- + q- y' p& S3 U* d* {5 ?
- Track_Enemy_Y:+ ]+ c5 e$ l/ ^/ y8 ?7 t" i
- SEC7 ?, f; s& c8 t8 `# l
- LDA Bullet_Y_Pos,X7 O/ r! x2 u) U4 m" z8 c: Y- g
- SBC Enemy_Y_Pos,Y
$ p; Y) Q8 N( `* q. Z7 V5 Y - BEQ Track_Enemy_Y_Equal" r5 `4 Q7 R! `& l9 S: l4 i
- BCS Track_Enemy_Y_Greater
: ?2 v5 v' g y, e$ ` }8 r( D' k -
3 l) z* _5 b# F+ ]8 ` - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
- @: K1 e6 ^1 `" Z# m" f- B - CMP #$FC
! Y$ C4 U4 _- ]8 N$ m! s8 v - BCC L1_19 I9 e: E0 E$ _! s0 a$ ]
- CMP #$FE6 `2 T4 t0 u. W+ Z/ S, O
- BCC L1_2
$ P8 p5 q: p5 q! y - LDA #$00. F% |; {+ E+ Y
- STA Bullet_Y_Speed,X$ w5 \, ~2 K: j5 {' j) q) q; \
- RTS
" S2 q1 [9 k" w - L1_1: 2 s5 |; ?; [; [) R: _3 k. V5 g; q/ G
- LDA Bullet_Type,X d2 I9 o4 d& P4 L
- AND #$0F
# {- u! E; ]$ s$ d# b2 u8 A - TAY6 O3 x" R4 S# A" Q
- LDA Bullet_Speed_Data,Y6 G! P* z. @7 }) } \( R. ]# d
- STA Bullet_Y_Speed,X) u, V# _- m! ^; d( J
- RTS% N9 ^- n5 ^/ u( G% T/ O
' {, h# o9 a' W. }3 t+ [3 M6 M. q- L1_2: ' H, V1 s9 k! Q9 i' A) Y& q
- STA Data_buffer
1 \- o' W1 }( m1 i, H% t$ T) r - LDA #$00
[% Q! a, y5 v7 A2 L S% M - STA Data_buffer/ Y; M. }2 w) E) _) G. m
- LSR. @1 z+ x5 J4 Q4 o
- STA Bullet_Y_Speed,X. a+ B0 o9 U% v3 f5 w3 W
- RTS, Y% c! V2 R5 m1 W* l
4 c1 q3 L: `: z4 F9 ^- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
/ I' W) m9 e3 K' k+ O! ^ - CMP #$049 P, o: C8 @9 l. o) [
- BCS L2_1, I. \2 I$ R9 y" g) L
- CMP #$040 r0 Q, Z, y3 a* T# x- W
- BCS L2_2 r; m. i; _# j7 X6 b! A* [/ o
- LDA #$00
+ ~% l* ^ q+ V/ @6 i - STA Bullet_Y_Speed,X- _6 i4 |% }5 a" Q! M, k# }
- RTS
2 k; L, `& v/ p0 U -
8 `' o" C8 R( C. ^5 A" _" ` - L2_1:6 H- a: F. O. z( u" u8 R9 w! \
- LDA Bullet_Type,X
8 ]* P2 \! o9 i- M) A( p3 X8 G - AND #$0F2 c% [$ I: W9 y
- TAY
) L4 n+ k; L! y0 B - LDA #$00) u* ~6 U3 F# W7 h
- SBC Bullet_Speed_Data,Y
: |) U7 u8 e) G/ ^* B* Q/ n - STA Bullet_Y_Speed,X- U$ h/ u$ g. T( R4 B' Q4 \
- RTS! M' Z( B. E7 ]: l
- 1 c( z8 j) M% y* `$ O; \
- L2_2:# z' M! f; Y5 f& @+ ]- v- U$ p
- LSR' S/ |2 O$ J* Y6 s0 `: Z
- STA Data_buffer
( f) F: ~/ x: R% l! P - LDA #$00
1 t# H* d' T% T3 d+ \$ s: w - SBC Data_buffer
* a! f& |5 w7 ^8 G8 }, | - STA Bullet_Y_Speed,X
. c0 _% K* A; S8 N0 W' {, ^. _ - RTS8 j4 ^/ Q- R6 q
-
/ m5 [0 `8 A- y - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y0 H" W8 {* W ^
- LDA #$007 X/ m# m/ o/ ?6 W( v$ u8 H& X6 \' W
- STA Bullet_Y_Speed,X, G9 i% g4 V, ]/ j
- RTS
0 D4 y, @$ y/ } -
% j- v+ V d3 K5 A Z& |) | - Track_Enemy_X:; B- s# m2 X" D6 X& z
- SEC4 Q$ C/ F* l! I% F& |, X- |
- LDA Bullet_X_Pos,X" {5 ^- T' {$ R' q$ U0 W
- SBC Enemy_X_Pos,Y
# d" V- L3 h6 d$ E% }) n - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X6 h0 m7 W1 l/ S
- BCS Track_Enemy_X_Greater ;子弹在敌人下方* C D% a# ]& R; F) G% N
-
7 A: n, u0 A' M2 o - Track_Enemy_X_Less: ;子弹X < 敌人X
. }5 L& g( P% _1 f; Y2 U& N - CMP #$FC' D l1 o& y1 ^9 \# ]
- BCC L3_1
8 ^: y+ z" i0 V/ S i - CMP #$FE
. U* c' Z* T; [- M, [# k - BCC L3_2
8 ]& c" I+ z8 W; i4 ]) m* t - LDA #$000 t9 f" L+ M8 N- l
- STA Bullet_X_Speed,X
: y, j/ v9 J2 V- w0 ? d A& h - RTS
/ O! p7 L" V6 _" I" h0 w- B4 c% O$ p - L3_1:
, m3 }3 f$ T1 M: Q - LDA Bullet_Type,X: X$ Q7 B% }& P6 |% d8 ~
- AND #$0F( y/ k3 `' o9 w2 D6 k
- TAY
/ i: O$ f. ~: V$ e0 E6 ? - LDA Bullet_Speed_Data,Y
3 R9 e6 O9 L, A1 b3 l1 ]& ^0 b - STA Bullet_X_Speed,X( y9 K! V8 b+ J: X
- RTS, G* [* v4 Z) ~% K
- L3_2: , r! f' w, S: }8 p( a
- STA Data_buffer+ z3 C9 y# g( x( p
- LDA #$002 S( U7 }/ G, P2 C5 B. p+ ~3 D1 s
- STA Data_buffer
' d* ?0 o7 }4 Q6 K0 Q- D - LSR
! ` d4 W) ]+ W8 v& I- `) Y4 V" Q( ^+ E - STA Bullet_X_Speed,X, A6 m- L/ W0 V' @
- RTS6 L/ \! g- M7 W
- % O2 Y+ A+ W8 _3 u1 D
- Track_Enemy_X_Greater: ;子弹X > 敌人X9 S# C5 j6 u6 o# @; U
- CMP #$04) H. \% s0 _+ I) i& K- o4 c
- BCS L4_10 m5 }% h i- Q) D/ n9 r: \6 {: L
- CMP #$025 ~* ^2 L$ k$ G% M9 V2 _4 y. `' v8 ~
- BCS L4_2. U& N. }; @- {) V3 q
- LDA #$007 g; w9 L5 c$ e
- STA Bullet_X_Speed,X
& r- \2 K1 \4 L& V Q' m - RTS! x/ n+ V3 h: R. c: h
-
0 e# L+ ?8 x7 S' {: v* r4 ` - L4_1:
; n. x; P" x K5 g. `' y, ?, T - LDA Bullet_Type,X
/ \5 g, D" z- [6 B7 S5 b - AND #$0F
& o& d' ]/ p- _8 u& U - TAY- O$ U: U4 h! w1 p W- \$ m
- LDA #$00
6 a7 G1 i, J# W: f" s+ H - SBC Bullet_Speed_Data,Y
3 {8 ~% u$ @1 q( \0 J$ R - STA Bullet_X_Speed,X
2 `% q$ t- D0 r4 r+ X - RTS
& _) ]0 Y* J: H: _2 J2 N2 M - L4_2:
n6 w1 k- s9 n7 d. @5 D( s - LSR
w( p/ W ]8 A - STA Data_buffer
/ l* c- P* F* o1 a - LDA #$00
+ T* f4 E5 ?" @; y& j* h - SBC Data_buffer
. g- i' A: c# W+ R" c6 e' U5 P - STA Bullet_X_Speed,X
4 [" `, e8 [ |% i; X2 D1 p - RTS# E/ M) H+ o7 E! y) f% X0 w7 H
-
+ {- M3 \) F# T; O6 Q - Track_Enemy_X_Equal: ;子弹X == 敌人X) L0 p( m6 F0 }. ]+ D+ x' d
- LDA #$00
& O7 `+ T* F" X1 v: ~& f; ` - STA Bullet_X_Speed,X- o) t% `+ K$ S
- RTS
- z/ e9 X$ }, R! d# B/ g x - 6 A& O, f# b, {& L$ }( ]1 \
- Bullet_Speed_Data:
1 b5 t5 {3 k4 c - .DB $00,$03,$03,$02,$03,$032 c6 g% k5 Z. e, k# x
- 9 G/ N/ R/ P+ g5 T
- ;2, 4关) c, e2 t. ~. ^- {; ?& v8 x+ k
- Track_Enemy_Ex:
( p# b7 h$ n% d# N - LDX #$0F! x7 T8 S( X" J1 Q; @$ t
- Track_Enemy_Ex_Begin:
9 G2 }5 z6 i4 I! v
0 @' U; k( m M+ L- LDA Bullet_State,X* K$ |8 f( @4 Q# B* P. p6 o9 {. [
- CMP #$01
% z# D u* \% t: v9 S: s0 E4 ] - BNE Track_Enemy_Ex_Continue
% X" M! H- B, i! [, W -
# P+ D- l0 S, i& F - LDA Track_Enemy_Index,X Y. H7 _! \( D5 b. G5 w1 `
- CMP Enemy_Index3 m! F0 L( D( P, N* V4 ?7 s
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标, H7 U# }8 Y0 { i, N
-
& R+ N* @, _% a1 ~ u - LDY Enemy_Index
$ P7 {, v- @8 q' ]. v3 o7 p+ s - JSR Track_Enemy_Ex_X
8 w1 a: V' O9 m- K. I -
9 u" ?+ u! l6 Z3 Q% f6 h2 D6 o - Track_Enemy_Ex_Continue:
2 O4 e# c3 Z1 e. ^, F6 _ - DEX( R5 B$ R2 b/ A' S! G, v8 Z
- BPL Track_Enemy_Ex_Begin3 ~5 J+ T* z3 P# }3 t9 Y( ?
- Track_Enemy_Ex_End:2 A% F. [; N0 c6 T
- RTS
7 V/ y$ z$ s9 V6 D" [" V+ T, N- P; t2 E -
$ p [( Q* E/ e1 f - Track_Enemy_Ex_X:( G. H; U: w" m+ m0 Y
- ;LDA Bullet_Z_Pos,X; ^8 Q: g5 u8 j9 U4 ~+ \/ ^
- ;CMP #$04: x4 q$ m, T; w9 X
- ;BCC Track_Enemy_Ex_X_End
- p+ f% g, m5 u* p* N* s - SEC
3 _) \/ p) t5 }# v9 P$ k - LDA Bullet_X_Pos,X
- e4 I) \0 U& `9 ]9 M( ] - SBC Enemy_X_Pos,Y
* i: H, ^+ N, A# y" S+ m' }# V9 }- s - BCS Track_Enemy_Ex_X_Greater
]6 k5 _# f. u' @* |( j - ! c! }! e4 s+ f+ t
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X2 q& h: @) R) S6 m* D% _ a6 b1 R- [- q
- CMP #$FD- g4 d3 } `; \; T: _, h8 d
- BCS Track_Enemy_Ex_X_Less_End
% h- `4 `$ L/ P - LDA $6020,X
5 I$ }1 B1 f' e) Q/ o# u" Y - CMP #$2A \7 W6 F+ e' D8 i9 U
- BEQ Track_Enemy_Ex_X_Less_L1
9 e; ]. W; E. Z: K7 P; i( r - LDA Bullet_Z_Pos,X1 f0 a3 p, i6 f3 d2 P2 Z
- LSR
+ V' w' E& ^* v1 Q+ D - TAY
3 K& J0 ?4 Z* d - LDA Bullet_Speed_Data_Ex_R,Y
! P1 W! \( ?8 ]4 L0 [ - STA Bullet_X_Speed,X( ?. c. w* D+ T" }, S' }1 c
- RTS
1 D* t" Y( V) [ - Track_Enemy_Ex_X_Less_L1:7 W) y. V8 u0 |) u' ?7 p
3 h: ]0 x& A8 G1 \2 s" ]- LDA Bullet_Z_Pos,X
& y; [' U' b7 x - LSR7 i& p z0 {# q1 a- a
- LSR/ i A( [ n. W9 @
- TAY3 G* [' ?& y2 B% K0 r1 a0 q
- LDA Bullet_Speed_Data_Ex,Y
2 c8 Z( h$ s" M& l - STA Bullet_X_Speed,X
/ A' c! d$ l* v" i8 E) X2 `4 L - RTS
4 l1 J" `; P, g! ?$ r' K8 U - ; V7 H) n( z: l0 k
- Track_Enemy_Ex_X_Less_End:
. l* D1 G* h* q7 `6 L4 Q) k$ s/ g - RTS
1 ~. X; y5 q3 n
8 H% r+ x G& e3 k' e- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X. T/ A' B& Y2 X1 \) s
- CMP #$039 K7 ~, ~8 j+ ^! l* D2 ]+ @
- BCC Track_Enemy_Ex_X_End
9 Y3 C6 {# K* z! D - LDA $6020,X+ a- H6 E' _" p5 x1 T% G3 x
- CMP #$2A7 \- ^' s- q% B) f* ?0 E
- BEQ Track_Enemy_Ex_X_Greater_L1; ~ t3 Z, s# J- V) h
- LDA Bullet_Z_Pos,X' k$ z& v- ]/ q! k
- LSR
7 I# E( z$ P6 M! }2 {4 g - TAY/ S9 R( v5 R0 n+ Q/ T( g
- LDA #$00# Z0 B" a Y" q: C
- SEC2 q: F4 u( }$ V
- SBC Bullet_Speed_Data_Ex_R,Y6 D- O) K7 b- J8 J, a
- STA Bullet_X_Speed,X" ? @5 E& R3 s2 E! O; n5 Q( s
- RTS
% S7 W4 p$ ^/ t6 U$ Y0 Y -
( v# Z. s" J: X4 k# n5 ? - Track_Enemy_Ex_X_Greater_L1
' Y. [6 d4 L6 z" X3 f) P6 q A! ^1 ? - LDA Bullet_Z_Pos,X
6 Z e! s; D$ @; { - LSR
, ?0 y, S7 P1 a/ G - LSR
9 v0 k' M5 Y5 T, c/ l% L - TAY
1 Z/ U: O5 x6 f, }4 E/ h V - LDA #$00; N- S6 g z0 h' S
- SEC5 [! J$ V$ G+ k6 Z0 ]1 s
- SBC Bullet_Speed_Data_Ex,Y
2 R! o! q$ E1 j8 m, G2 ]/ S - STA Bullet_X_Speed,X& m% H. U( W+ Z& E
- RTS- j/ U8 D0 K, o# B1 d! [. u9 q
- / t: q) ]' F6 G3 t2 Y- o4 \3 s+ J
- Track_Enemy_Ex_X_End:
" X. g9 J4 r3 P4 G - RTS
4 l S% U' m' O# t5 N& s -
2 x5 m n" b& i4 @- p; L2 f - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
% G) r# P$ B0 d6 K. y; t8 h- Q - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
& C: a! _! j% B* H; U- v: z3 d+ X: V - Bullet_Tract_Direction:
, K5 d8 B" Z5 E: _$ i - LDA Bullet_Icon,X0 _4 q, h( V) v# b* i$ X
- CMP #$23+ i5 \! Z% D9 D/ L
- BCC Bullet_Tract_Direction_End+ [0 W8 [9 H; H, W! _2 k
-
' \! J1 a4 l" [$ e. v" c: s. y - ; X != 0
9 q& V* H' E6 D$ c( B, k) d. Q- n3 ] - LDA Bullet_X_Speed,X
& a- z z8 q( U) H# u4 ]3 w - BEQ Bullet_Direction_V
- S- Z- X. V+ c! d - & }& v7 ]' t' {7 Y- {
- LDA Bullet_Y_Speed,X
# E H& N6 c7 k9 P: I; ~, ~ - BEQ Bullet_Direction_H$ A6 S$ s: M' q/ A# t' o" p
-
8 {3 [ |% o, z6 _, b \; `' k - LDA Bullet_X_Speed,X" m9 S: G- U* h
- BPL Bullet_Tract_Direction_Right% J8 J; m' p+ h8 Z9 ` p! l/ I7 _" K+ Z
- Bullet_Tract_Direction_Left:. R) c& z6 U1 A) f- `
- LDA Bullet_Y_Speed,X4 U1 [7 }7 c' t* m' u. B0 Z
- BMI Bullet_Direction_Left_Top
P- T( k5 R# ? - BPL Bullet_Direction_Left_Down& e/ r, i# S4 c/ d" p1 P; N( K
- Bullet_Tract_Direction_Right:3 d# ~: M3 D% v
- LDA Bullet_Y_Speed,X0 `+ h8 c3 U2 m7 A: E$ Y, ?
- BMI Bullet_Direction_Right_Top
7 x3 E: P+ h* A) v6 V - BPL Bullet_Direction_Right_Down
6 ]! y9 h+ e+ [1 C - Bullet_Tract_Direction_End:8 o7 v; T$ u" s( Q' U
- RTS
r3 l* C* b& M& @- k3 h) p' i
/ l; L/ i X$ ~5 X5 @- P7 [2 _/ `4 m- Bullet_Direction_Left_Top:4 T7 m' z: O" m
- LDA #$25
|6 K# V7 \% ?% c - STA Bullet_Icon,X- M& z% n! |- a8 [. f. z& t
- LDA #$C0
* ~5 e. k. ^9 E' |, }& U" ? - STA Bullet_Direction,X; `# P# R2 r9 q/ z" d
- RTS
) P1 d* o5 L2 z: ?* R& ~ - " F3 r! p6 y c
- Bullet_Direction_Left_Down:" [' ^& V" M6 R9 @8 G j
- LDA #$25
) e1 I0 k) l' Y/ n% h) W' N - STA Bullet_Icon,X) J+ \1 c! N; S
- LDA #$40
9 n: U( j P1 _ M - STA Bullet_Direction,X
8 P$ @! ]% ~" y0 T/ E - RTS
- v8 S8 ^, [8 o& r% @2 | - * j6 L9 l& u9 k* t
- Bullet_Direction_Right_Top:
$ K6 _; d$ U6 o- b0 W - LDA #$25/ V% A% V; r5 l
- STA Bullet_Icon,X
4 n' E# q' K4 P7 i8 r9 b' f- o - LDA #$80/ R9 T5 L. v1 b/ `
- STA Bullet_Direction,X
* m1 V0 ~/ @6 {( c) E& C1 w0 K. s# P - RTS
! N2 j+ m( m1 H' }6 L$ H - 6 ?+ z4 m0 i9 ?
- Bullet_Direction_Right_Down:
0 G3 y6 ~# Y3 ]3 t+ A - LDA #$25
) s7 l" O; T( u4 b - STA Bullet_Icon,X
' B) K ~+ w' Q2 Z' u3 l8 X - LDA #$00
6 e4 S5 K! ^- E0 q! h6 y, ^ - STA Bullet_Direction,X
: k6 |( c4 l: h+ [ - RTS& y. M! | ]7 S! {) f: b4 k
- % L9 ]5 T% B' o3 b& E
- Bullet_Direction_H:- T4 K4 j5 e; ^) k6 j! ~8 ]
- LDA #$24
/ f% ]0 \1 G: J. F/ g2 |; g. O - STA Bullet_Icon,X
+ H4 k* h; X8 x. G2 y% R- F. V - LDA #$00! h0 ~5 u- b8 P
- STA Bullet_Direction,X
" \* Q/ V/ U: W( `, n3 B - RTS5 v* `, `5 \* ?2 |
! C5 t* e+ W9 S. f+ L- Bullet_Direction_V:
5 y( p0 [1 v4 z - LDA #$234 G- t0 F6 q3 ^* ~
- STA Bullet_Icon,X
9 F( G( D U5 v - LDA #$008 K) X3 t8 N" |+ E$ R
- STA Bullet_Direction,X, k/ h3 }( K% _- y
- RTS$ y2 j2 t+ p! x& W
" Q, E8 x6 x$ @7 H% B) E- Bullet_Speed_Data_Ex:
) B9 Z' Y( e' ? Z h1 \ - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
7 ?1 y9 R u" Q+ X2 U, O -
" R9 Q" `- \, C - Bullet_Speed_Data_Ex_R:7 |8 s/ s4 v8 S, U4 l4 V( U
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
, J7 _- ?1 X$ a/ t* \5 s -
复制代码 # E: T4 I+ W9 F( ?' S+ v
5 _% `! b( I+ s! [. w! J6 N
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