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[FC][魂斗罗][J][追踪弹]0 N% t3 S- f1 X/ X
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时间:2023.04.30
9 }* |7 f3 e5 p作者:FlameCyclone
, \% E& L$ z5 K3 u2 n内容:+ p+ X( K3 s8 d. ^" @
1. 所有子弹追踪敌人0 T4 ]! U+ e$ u" g' Z
2. 选择键切换武器. n$ I( w( s" r4 W4 @
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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" J9 x% r1 ^/ v/ `& y* z4 h9 Yflamecyclone.ys168.com' H, _ o, v* z

) [& @- h! A5 u; w X& T% ?( J- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁- {4 u1 v2 S: I1 k! o( M8 B" T- G2 ]
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L- W2 I/ {* M/ U3 Q9 k% d4 u
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
0 I" q. S: T* y# E
7 y- u/ k$ ~8 u: W1 @- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
, O. `" e, W$ [! M. G" ~ - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上, G: p$ ^% S z
2 T( O9 {$ f2 L% A- Track_Enemy_Index = $6000
8 g _3 a1 x+ H5 J& C) v) e - Enemy_Index_Begin = $6010
+ |" ?1 N: k% _/ B J5 \+ C - Enemy_Index_End = $6011
$ U, [3 I% G0 R/ @1 e8 }
) m. M+ g# @; d6 z& B( z6 D- Loop_Index_I = $6012
; D9 G+ \* `3 u, n - Loop_Index_J = $60137 l& e, p7 z# K
- nEnemyIndex = $6014
8 _8 V5 S/ P' G" h7 J1 n# W - Data_buffer = $6015+ S2 C' F5 p% c" ~6 Y% U# Y
$ f7 X; h2 j. ^& x+ w- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
1 R8 S7 a, A$ k# i/ m( H3 i - Bullet_X_Pos = $03C8 ;子弹水平坐标
: e2 p% ?+ K3 t - Bullet_Y_Speed = $03F8 ;子弹垂直速度8 w- m2 G$ z. B9 D2 {, R4 t
- Bullet_X_Speed = $0408 ;子弹水平速度
7 U5 r( a+ A7 j! q% ]7 E" o: ^6 v - Bullet_Z_Pos = $0418 ;子弹Z坐标( `+ J0 k& ?. c- a3 M! A3 V4 h
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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S6 _( o0 s7 x, r& p) s- n- 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
# Y8 k4 c+ H. v3 i! ^ - Enemy_Blood = $0598 ;敌人血量
7 [1 X, B) C/ H |- O - Enemy_Type_Addr = $0528 ;敌人类型: c% {2 b0 K1 O9 ?9 Q/ d+ Q
- Enemy_Blood_Addr = $0578 ;敌人血量
. ~7 ?9 t& f y2 Q; M - Enemy_Y_Pos = $0324 ;敌人垂直坐标
8 Y7 l$ P; u+ H- [5 o1 a2 {* C+ ? - Enemy_X_Pos = $033E ;敌人水平坐标
2 Y! Y. n. N5 F+ \: J- | - Enemy_Y_Speed = $04E8 ;敌人垂直速度, z9 p" `( w; p8 ^
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸* {) E) ~: Y; @9 }
- 5 w; c, j! W# W; T$ U6 N: G
- Enemy_Index = $83 ;& O% h/ o( H0 N- H& G4 o5 T3 ]
- Time_Count = $1A
4 p+ r* \% p1 n; I, z8 R! n - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
8 E- H1 j3 v- C' S+ W( h; | - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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& m0 [9 \+ O8 R a- .ORG $61000 N6 \4 T4 m9 J- f/ x* i5 A n
- Process_Begin:3 K7 R, `( x* j# t: |* r
- JSR Enemy_Check. \8 O; K6 @, B: g$ b, w, |
- JSR Track_Enemy_Check/ l! C" y/ u6 L
- Process_End:
) {5 v" Y2 z) G: s1 |0 f - JMP $E54F0 I+ l* N% @& R) R! E' O) ?
- + ?( b+ X2 k5 v
- Enemy_Check:
/ L& }: `! p: ~! @# F7 | - LDA Time_Count3 x# S- v- P8 u; N* c$ M
- AND #Track_Bullet_Speed
3 r5 x) d. T; v+ @- | - CMP #Track_Bullet_Speed
, @. u# g- S) | a# b/ y# {) x5 q- z - BNE Enemy_Check_End6 D/ q- i) J4 i, V: l
- LDX #$0F( x# s0 J: q) B5 ?, E; D
- Enemy_Check_Begin:
& _. z& {8 [, A" ]2 d - LDA Enemy_State,X. T8 W9 G5 \" f( ?
- BEQ Enemy_Check_Continue
- C3 f& n( M7 _% N, S - STX Enemy_Index7 S' q0 f2 J) j! ]
- JSR Find_Begin_Enemy
- D! U- l- u8 d/ c - JSR Find_End_Enemy0 s0 ~7 a' }6 K% ~0 _" x6 n
- JSR Bullet_Track
8 j2 x8 I. g" b# P; W1 _* q -
( M4 `* w- F# E: l2 @ - LDX Enemy_Index- e) |: m/ ^0 D- ]/ ?5 x
- Enemy_Check_Continue:# O1 o4 g" K- ~+ o7 X% M: z, Y; |: e
- DEX
+ \, z2 b: X2 K7 Y7 @# t - BPL Enemy_Check_Begin; K8 ?) A8 i& z# }8 j0 l4 `
- Enemy_Check_End:4 j( a7 O) @+ q6 _7 K8 e
- RTS* T* Y+ w- @5 q7 b
- & Z5 k) K6 R2 @2 h+ d( N1 B
- Track_Enemy_Check:/ Y) z9 |7 Q4 t! v! b% M
- LDA Time_Count
( @2 s R! ?. Y( |9 T2 l - AND #Track_Enemy_Speed
5 a8 ?7 ^. a- y. K" K/ D6 | - CMP #Track_Enemy_Speed; N! Y- J* P9 l" o* u z \
- BNE Track_Enemy_Check_End
: K# k/ r6 a$ p4 f* b: F9 N - LDX #$0F! i w; T% [1 O1 C0 X8 V! E7 j
- Track_Enemy_Check_Begin:/ q x$ H. c: l) z
- LDA Enemy_State,X
: ~2 S. m0 t1 U! N* k- B1 ?" f- s - BEQ Track_Enemy_Check_Continue
. s/ N }1 c ~ - STX Enemy_Index5 A4 u/ N# Y0 \' h0 ]9 E
- ) u; F9 n7 `6 Z
- LDA $40
+ h5 ~5 F* Z! X3 \ - LSR# b' C5 M9 J3 A3 f4 i% U1 k% x4 K
- BCC Track_Enemy_Check_Begin_L1: B4 V' i6 `2 d
-
. h. R9 N" Q1 ^% V - JSR Track_Enemy_Ex ;2, 4
/ c! A& _" p% g: g$ j - LDA #$00
: N- f( R- r" L& r h - BEQ Track_Enemy_Check_Begin_L23 g K4 E; c/ T& T9 Q
-
5 d6 O* @9 k+ [8 [5 Q - Track_Enemy_Check_Begin_L1:+ W, h. ]7 \- B3 B/ z
- % p. N$ [3 O3 r
- JSR Track_Enemy( C8 H! H# F0 w* `, J, }
- ; F7 w b, O1 [' B# M9 ]# N( h
- Track_Enemy_Check_Begin_L2:
! i( H Y$ l7 d - , y) u# s! x2 V* }# v- k5 A1 t6 s
- LDX Enemy_Index
; @ \$ m3 \& {8 W( j3 ~5 p" J - Track_Enemy_Check_Continue:. c3 i, a9 d- Z& p1 T) b- K U; B
- DEX& E( W; \. t: y1 K% w* ~' o7 R' |
- BPL Track_Enemy_Check_Begin
. @+ H1 Z8 E9 F! s - Track_Enemy_Check_End:
; y5 a( w3 {( i' l8 } - RTS
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* O, I2 }) {' L: s+ z3 R
6 Q" e# [8 M- H5 J- Z& j- ;查找第一个敌人
0 n; u0 s6 W2 h# |( q0 k - Find_Begin_Enemy:
# W" k4 M( h1 r* e: }2 x - LDX #$00: z, t8 k" @/ n
- Find_Begin_Enemy_Check:6 q$ Z1 W% Z5 J
- LDA Enemy_State,X$ z/ l0 L I) r/ H/ q" `
- BEQ Find_Begin_Enemy_Check_Continue& U: h. Z2 G+ \, Q" ^* Y
- LDA Enemy_Blood,X( [# {* w: B( Z( Z, ?% |: ]
- BMI Find_Begin_Enemy_Check_Continue
. N L& A$ {7 R9 A: Z - BNE Find_Begin_Enemy_End
1 ^& y$ i5 Z- m0 b5 V. i -
! _' r A8 M3 h% `+ s8 J - Find_Begin_Enemy_Check_Continue:. h( z& _! J# \, H7 p
- INX
, x+ _* Y1 }- w( Y' E* ^7 b4 j$ z6 \ - CPX #$10
& I& q6 Z% @; i P% h4 V9 s - BCC Find_Begin_Enemy_Check! I; L* F b7 y+ b! a# Q( f( S
- Find_Begin_Enemy_End:$ x4 n7 e2 N; v: B
- STX Enemy_Index_Begin l5 z! n* t/ N% \& f2 s7 V
- RTS; I9 q. p" |# }+ @2 h) u
+ B7 u1 n6 U; j& J* H$ |- ;查找最后一个敌人
# M3 i+ T$ K+ A4 c; n - Find_End_Enemy:$ f. f6 m( l+ @/ p/ P
- LDX #$0F
' M/ X+ ]) U) K2 w1 T3 {! @ - Find_End_Enemy_Check:1 C4 y6 K& B$ I
- LDA Enemy_State,X
; d* c8 F& e* ` d* Z6 g - BEQ Find_End_Enemy_Check_Continue V, X# S8 Y3 N" H7 e, K7 `
- LDA Enemy_Blood,X7 P: q- ^, r' w* T6 T- V7 o
- BMI Find_End_Enemy_Check_Continue/ l/ [: c4 @ @. Q3 ?/ M
- BNE Find_End_Enemy_End7 G/ J6 D5 F- \
- a x: S' l- e4 k) Q1 N0 L3 c5 r
- Find_End_Enemy_Check_Continue:
# M( p7 S o; o' Y2 U - DEX2 _! S% ]) @: n H% \
- BPL Find_End_Enemy_Check
% S' `1 l1 E/ U" d& @; g: p& c - Find_End_Enemy_End:" _2 W9 \7 W" ~9 |
- STX Enemy_Index_End0 c/ @ | _$ X0 [+ u( C" V
- RTS' ]- u) t# \4 _8 o
) T1 {& z. t- J7 A, l- p: _$ ^7 E- ;子弹追踪: j: m1 s n& Q+ U# _2 S& |9 E
- Bullet_Track:9 t: K" W& b3 a7 ]" d1 {
- LDA Enemy_Index_Begin* i0 C0 h$ b6 _/ G9 a1 @2 j
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;) n$ k4 r% F$ T4 ~ H
- LDX #$00
7 M, o' N0 ~1 l* v: U/ H$ J - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
3 M# R7 `! S( x/ j# _. C& Z) B - LDA Bullet_State,X
1 |, Y( L8 o7 X: t# ? - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;. W; l9 Q2 ]0 U) T
- STX Loop_Index_I& a+ P, H- _/ h* F
- & e* M) K9 J' g# A% A2 M1 I; c( Y& r
- JSR Bullet_Track_Enemy
3 V5 d$ V n6 c) \# o% L6 x$ l - JSR Bullet_Tract_Direction
4 S1 ]" \7 W) F# K2 W -
& U4 e8 _' @% D - ;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
7 T* ^' y1 U! m: S$ P - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
; K; C! s' l5 W - LDA nEnemyIndex1 U' w4 c e J" v& T% W
- CMP Enemy_Index_End
" n: N; j4 y6 a) f% `0 M5 R } - BEQ Bullet_Track_Check_Continue* C5 U1 J3 u: q5 G& E; M
- BCC Bullet_Track_Check_Continue
. n0 S8 ]7 m- }3 C9 h( G- @ - LDA Enemy_Index_Begin3 W$ D7 H( ^: n* w8 a7 d) {$ a
- STA nEnemyIndex) f. c+ {0 h& i& D6 L% i/ T
- " s, p; J, N1 P$ s0 Q
- Bullet_Track_Check_Continue:
5 d8 _' ^7 F+ Q# a: D: b( W& p - LDX Loop_Index_I: E! t8 ^3 p6 ^. \
- Bullet_Track_Check_End:
& U' J; _8 r8 ?. H/ r0 F# n/ D - INX
# E! g1 H# V! M- h& ~ - CPX #$105 J# D( G$ p/ q d$ @. F. h# `
- BCC Bullet_Track_Check
% U, ~$ Y9 [8 h1 e4 _. H5 r! { - Bullet_Track_End:. w9 N5 s5 u. E, M4 U4 e
- RTS& @% @! P4 V+ k
-
2 X7 I3 T1 T7 ` - ;给敌人分配子弹0 d! Q7 J* J# E; m. M
- Bullet_Track_Enemy:& d' b; v6 _" K5 Q, Z% |
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
# {+ O+ {& c' @" G4 u& i5 g - Bullet_Track_Enemy_Check:
$ S% |4 |' d. L4 D5 Z - STX Loop_Index_J
. w7 I: X4 v2 U- ~5 q: E -
7 Y1 M7 l* n" |8 F - ;if (0 != nEnemy[j] && -1 == nTrack[i])5 O( P! ?& g1 r. _
- LDA Enemy_State,X0 e+ j% g$ z7 c4 w" m2 N, {
- BEQ Bullet_Track_Enemy_Check_Continue
& B0 Q. T7 B3 O - LDA Enemy_Blood,X5 L. K' ?, I G) M+ Y6 Z) A9 ?
- BMI Bullet_Track_Enemy_Check_Continue2 d( A' o' h: L |) F r- X
-
# |/ x# v0 d' K! R" ?! G, K$ {/ c4 w* ^ - LDX Loop_Index_I
- A1 g2 S/ i4 o+ G - LDA Track_Enemy_Index,X! Q1 T3 p4 {: K8 y0 |+ S7 z
- CMP #$FF
O% [+ j! B: _6 o# Q - BEQ Bullet_Track_Enemy_Init! X# y6 X* [0 c r
- M& ]$ g" t! ~& e7 V" ~
- Bullet_Track_Enemy_Init:
" F( J3 t. W# D3 v J - LDA Loop_Index_J
, w1 |6 |# G: J2 I, v - STA Track_Enemy_Index,X ;nTrack[i] = j;
( Y( r9 B4 V& \' p0 P+ r$ a -
* `! f" d. e! W) a) A" _" ?" Z5 y - STA nEnemyIndex/ `0 e2 U6 P: R
- INC nEnemyIndex ;nEnemyIndex = j + 1;: h: U# a5 R/ W: [" ?: `
- RTS ;break;# S) _3 s* T( r' A
9 V$ {: p, s+ X) R- Bullet_Track_Enemy_Check_Continue:
# e8 Q8 I* D3 t. ~. `2 {0 T9 K+ X- o - LDX Loop_Index_J
1 M1 K) c' V" X% r2 ~; g% N - INX ;j++% x1 y$ r+ v, g) `( [6 b. G- U" C
- CPX Enemy_Index_End4 i% u ^& A6 i
- BEQ Bullet_Track_Enemy_Check
" ?. L B, }" b/ `. y. U2 z - BCC Bullet_Track_Enemy_Check
# |7 R) i, r9 P# r7 A9 b - Bullet_Track_Enemy_End:1 l# i* h, v* G M. z1 ~
- RTS2 n9 ^0 w X+ ?! ?) \( w: T% u! Y
- ) S$ Y& T6 h4 h5 q; S/ i8 }& a1 N
- Track_Enemy:
: ?! ^* r% Y3 k - LDX #$0F
7 E# C9 }% {, s9 ~- N9 Q" a; Z - Track_Enemy_Begin:
- k; G3 y: |" {+ T - LDA Bullet_Icon,X, C9 e# b( V- ?0 u& ~
- BEQ Track_Enemy_Continue
) x, g( T, W' \% |3 L - LDA Bullet_State,X
, u! ~0 D: e6 L' K; o# C - CMP #$01* J! G' y+ g( K/ z# w; u! ^
- BNE Track_Enemy_Continue
: g* {1 W( C( P7 \; C2 p -
6 |, G* h+ i4 g" p, G% O5 a. g - JSR Track_Enemy_Process
8 y1 d/ ^. x3 q% d! [ - ' p/ a) P: Y+ a
- Track_Enemy_Continue:5 i# k5 q# Z0 q7 f: j. |' @
- DEX: N/ @ V; B# k2 {
- BPL Track_Enemy_Begin* x! D2 @* ~' r: v' T
- RTS# ?0 p# R9 ?* }! G" D& T
$ e" S% h9 L7 `) J- ;普通关卡( s! T& A5 r" J+ \7 h
- Track_Enemy_Process:
. J8 J# O- V8 L3 f o2 o - LDA Track_Enemy_Index,X
`+ T: s7 u; f& E% ] - CMP Enemy_Index
0 e6 y4 [* ?; e: K* G- v) Q - BNE Track_Enemy_End
5 {# s4 D# t3 s( \/ I$ }4 Y9 ] - LDY Enemy_Index( V9 C4 i- `" ~
- JSR Track_Enemy_Y0 ^% l, @- M7 f1 P
- LDY Enemy_Index
- J% O: Q1 s8 c* d: Z - JSR Track_Enemy_X
. U: W' B% l$ T. t ~+ _: U$ n7 p - Track_Enemy_End:
2 |0 s4 U/ n/ N1 C' l" o1 W - RTS7 @. w9 i' h, \, E* n
-
9 l3 \% k) r1 q5 \ - Track_Enemy_Y:1 A7 @! D9 F- T+ M
- SEC
* s) E6 M1 p8 L* A: L1 `$ I/ P - LDA Bullet_Y_Pos,X/ h" i! F( L2 G' F
- SBC Enemy_Y_Pos,Y
; s" `2 _ T3 H. U- w6 _( } - BEQ Track_Enemy_Y_Equal4 g; P0 D4 Z5 C4 K* D
- BCS Track_Enemy_Y_Greater9 b4 c# k& u* k( f; |) B5 C
- ' u- D/ E* N! R) O3 f1 ^" y
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
' F# W S. U* O2 U$ }/ h - CMP #$FC7 L1 Q! b5 d1 R3 I; v& L( c# A' P. {* ?
- BCC L1_1
1 A/ s7 ~5 n" W% j O$ z - CMP #$FE
$ q3 q) f3 K0 r. g9 x8 y4 z' l - BCC L1_2
. d) Q. w# D' S" b3 L! X# |( E. O - LDA #$00
5 F- K0 q" G' t - STA Bullet_Y_Speed,X, @; z, {) N* a9 `2 G
- RTS/ j6 F& Q3 g, R \) @' r/ s
- L1_1: 0 j4 W$ ~4 V! ~; a( p
- LDA Bullet_Type,X
& \ z) `2 _- s8 R! e' G - AND #$0F
7 J, X# Q& J$ k( x' x - TAY7 t( F- n/ e W( L8 |
- LDA Bullet_Speed_Data,Y
8 U6 P W7 O0 f* m - STA Bullet_Y_Speed,X
+ ~! I' z% m$ W8 \6 U7 h4 ^ x# e - RTS
; [# v9 Q1 |0 `2 Z1 |. c! J' g# L - 8 C2 y$ R- W! v i5 v6 h
- L1_2: 5 g3 h; `/ R2 c* Z* z1 C0 Q
- STA Data_buffer2 v; u4 J9 b0 U* J h( J
- LDA #$00& b+ _9 P0 k6 `1 o
- STA Data_buffer
: P/ c" s, ]3 }. F+ y6 u) Y - LSR- a9 O% x+ r$ o+ z. d* o# _
- STA Bullet_Y_Speed,X! L1 f1 o; F: d$ O9 Z" M
- RTS5 D& ?+ V/ {9 S* \! r6 U
j) q5 k% X3 X, \- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
" l6 c) j( C6 J" h - CMP #$04
! W: y" R) o4 L! U! O - BCS L2_1
& Q+ R" N" \# H) C8 i - CMP #$04. N n+ z$ Y3 s
- BCS L2_2
- s. A* s1 v( e- V) h - LDA #$00
, W8 f/ i+ g$ c' r" ^" Y - STA Bullet_Y_Speed,X$ t; P e' S6 U
- RTS
0 M/ `9 V7 \8 Z: w! E& x. X# \ - $ y/ m" C. [+ e1 f! f! J
- L2_1:
; G% l* T- C6 [( M" B1 F$ { - LDA Bullet_Type,X( Z u0 s! A6 A( w4 C, K
- AND #$0F3 i! g$ p. r8 o+ s
- TAY
: k% p& \1 y3 S9 r- {4 j+ W - LDA #$00
4 l% T; _) o( w; P+ i7 V2 T+ R! B - SBC Bullet_Speed_Data,Y4 J8 B3 t4 F8 _) L
- STA Bullet_Y_Speed,X
' b: \9 v7 u, M' _ - RTS) |; ?) W" `/ S/ S" g
- & i; P# {3 b7 C ~5 n8 V
- L2_2:
2 w/ d& m2 j1 a- g7 h1 n3 F. [ - LSR
% j6 T1 r3 ]+ m( w - STA Data_buffer$ o" [ O0 O! |* R! X# ]
- LDA #$00
7 ?/ k4 O: e* ~ - SBC Data_buffer2 v7 N W* L' R; {
- STA Bullet_Y_Speed,X$ I! A5 B% d3 z5 [ y
- RTS4 |3 L2 W6 ~. A
- ) m, t4 n3 |8 U
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y# l! t! {; d) w5 L
- LDA #$00: p( N1 s; x& f# `. n
- STA Bullet_Y_Speed,X, y, G8 I+ D9 Q& U) H( u
- RTS
: \* d2 K" d5 S0 Y* Y9 p9 D -
, [& v' C3 Y5 G1 h* ?7 B - Track_Enemy_X:9 t2 H- c9 p o
- SEC
; a7 @) U4 A& _/ c/ ^ - LDA Bullet_X_Pos,X# l4 v6 C! j: o5 L$ ]+ T
- SBC Enemy_X_Pos,Y: H6 ^6 ~# ?8 H7 c) T
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
* h% s2 |$ z% Z! ` - BCS Track_Enemy_X_Greater ;子弹在敌人下方( G. l5 j" h" M `) o
- ' }7 m" C1 c" j7 T' v
- Track_Enemy_X_Less: ;子弹X < 敌人X7 l% a: p& x+ b* b5 k% j
- CMP #$FC' p% I: O, ~% `, t
- BCC L3_19 _. ~. S& }! j) H
- CMP #$FE
4 O9 b2 j+ Z7 w' u4 B% r; [/ @ - BCC L3_2
" i* j8 y8 r5 C - LDA #$005 N+ z/ F* M. f- H* i y
- STA Bullet_X_Speed,X! g+ y8 k) F* N7 P x
- RTS4 d& W, Y- k8 z* `: n1 `; }
- L3_1: ) f; @; O) x) C" h# l
- LDA Bullet_Type,X- g3 H2 m' g7 b- N
- AND #$0F
" C& h* x) e! @: T ] - TAY
8 l- s; e) d, L* Y - LDA Bullet_Speed_Data,Y$ Y% p' O9 v8 ^4 L# Z
- STA Bullet_X_Speed,X
k+ ]+ d+ R* } d% e - RTS
: Y8 |3 ^. V0 m6 h7 s' E& X& A - L3_2:
7 y: z6 ~4 M$ Q- ? - STA Data_buffer
: k; q# i+ K5 M: U5 W; j E$ l - LDA #$002 U& |0 @7 T, b8 @$ c* U. R
- STA Data_buffer
8 F8 e7 U8 L% r7 P8 T7 e - LSR' y0 m* [% L' b" e" k1 R: G
- STA Bullet_X_Speed,X( N0 a8 o* o5 i4 p* a
- RTS/ O8 ?5 N$ q w2 x, p
-
! f' m: L( L( Y( _ - Track_Enemy_X_Greater: ;子弹X > 敌人X
# F- c5 \* f6 Z! |2 A3 F. ~ - CMP #$04+ k, q8 W2 I! @6 h: U
- BCS L4_1
' h- I4 z% B6 J# h$ u. e ^& E - CMP #$020 T: Y9 ?2 ~$ U6 @' a
- BCS L4_2. S9 |6 _/ b0 n u6 o/ v! x
- LDA #$007 B8 V" j/ Z2 A" g( D! G. U* z
- STA Bullet_X_Speed,X. z. ]1 n5 K1 j1 @
- RTS
/ P( w4 p ^7 N' D -
2 P" |* Y7 c. w" \ - L4_1: $ Y0 {8 {$ _7 D5 ~% ~2 q, Z3 ~
- LDA Bullet_Type,X
0 t/ t" O3 F+ f5 ]: [( m4 h - AND #$0F7 A6 h h$ n) V" p& p
- TAY" `; ^1 Y3 @ _" {) l
- LDA #$00& N: U& x7 H$ D, h5 j& w9 j- v
- SBC Bullet_Speed_Data,Y1 v1 @- C3 m, }( v) F
- STA Bullet_X_Speed,X
) k9 S$ R; u* o( I( K( X& s - RTS% Y$ m/ q" a1 ^0 E$ J; V/ l
- L4_2:
2 [0 f7 f/ j5 a9 v - LSR
) l8 K; `3 s) d v - STA Data_buffer
^9 W0 K- o& q4 d* c, @8 ^ - LDA #$00
4 }0 V6 l T( f& p. Y4 f - SBC Data_buffer- V2 d1 m5 P: }6 u$ l
- STA Bullet_X_Speed,X0 c$ K; u: J6 w
- RTS
8 j& n( U4 r9 m# ]. H' I& z -
, s9 d0 K* P9 t - Track_Enemy_X_Equal: ;子弹X == 敌人X
1 i K- o" Y; R8 x" y. ^5 m - LDA #$00
4 f6 S" o( h& G6 w2 Z2 t1 P - STA Bullet_X_Speed,X
" e" T, J$ _( F9 D! G - RTS2 S3 E: l% o' n3 T! v. z, u: q
- 9 G n. E @7 n ] p* P
- Bullet_Speed_Data:
X$ A5 Z) R! F$ }) S - .DB $00,$03,$03,$02,$03,$03
/ |- B: h) I0 p$ J$ H, z - N( V3 L! O7 T% _% c
- ;2, 4关
1 p8 [2 j) w8 G' z$ g - Track_Enemy_Ex:0 H/ _ @& x( D/ m, l; ?+ G1 \
- LDX #$0F, P. k% ?- y- X& D( Q( w
- Track_Enemy_Ex_Begin:
, w6 ~5 N& l3 C8 `2 y - 2 a- ~7 o# n! y. T9 G
- LDA Bullet_State,X8 {/ l! _7 d3 J2 l/ a1 q6 `
- CMP #$01
, D& w5 M3 ^7 k) X Y# l - BNE Track_Enemy_Ex_Continue3 ?7 m) x! j6 L/ b. p/ R6 @
-
3 k: q# L! U% O - LDA Track_Enemy_Index,X
' ^5 O; y2 @" C, g - CMP Enemy_Index* |: b9 y) e4 c# [ u/ u/ A
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标' C& d, B7 G$ w( g
- & E6 B" D, K1 u) v1 R B% H
- LDY Enemy_Index; S' w5 \7 I; x- A! w# @
- JSR Track_Enemy_Ex_X
3 p$ K/ t! D* J3 R3 ^; A -
& Y* n. _# D: Y8 U - Track_Enemy_Ex_Continue:
' U" U8 \2 n7 G8 u* d+ S - DEX
& ^) Y+ |5 J/ E W' X1 I - BPL Track_Enemy_Ex_Begin
4 M2 e+ z/ ^1 t, Z( [ - Track_Enemy_Ex_End:
/ _8 m8 G" P- V0 m$ O# t) U - RTS3 N& H) G" k* C. s2 p' `
- / P/ z8 D ~# F1 ?3 Y- S) L
- Track_Enemy_Ex_X:
6 v3 ?6 a: }% l# F: w8 h; Y2 h- t - ;LDA Bullet_Z_Pos,X+ W% N, b" N0 }5 ]. h1 W
- ;CMP #$04
8 n) W$ w& H+ W1 _ - ;BCC Track_Enemy_Ex_X_End
5 l- L3 H6 [. N - SEC
! H0 u5 j' u' S% w - LDA Bullet_X_Pos,X o# A6 a9 S$ y# H" |" ?2 F
- SBC Enemy_X_Pos,Y# j e0 b+ @7 W' ?" V
- BCS Track_Enemy_Ex_X_Greater
3 \# K& S/ K) A. d! T; U! Y# ` - 8 p: n8 o9 b2 j) ?3 S% E
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X6 a ]/ ]/ ^6 f! l; I
- CMP #$FD
2 `# P, i) j- n9 h ~; r- p# ~ - BCS Track_Enemy_Ex_X_Less_End+ z: E2 J$ R. D5 O2 g
- LDA $6020,X
# `# W5 _; G. W* O; \ - CMP #$2A0 B# Q# \& r$ {0 r% _
- BEQ Track_Enemy_Ex_X_Less_L1
7 J# b, ]2 V) N4 ?4 b- O8 ] - LDA Bullet_Z_Pos,X0 l/ |( c1 ^( `3 c8 ~
- LSR6 A2 N/ x0 ?0 _# v! d
- TAY+ [6 R) u8 M3 z F; ?
- LDA Bullet_Speed_Data_Ex_R,Y% b& m+ T; p. ]6 y& g
- STA Bullet_X_Speed,X) i2 _$ p8 q6 j2 N: [8 V5 B" L
- RTS, Z/ U! J4 v( N* {& P2 r w# n
- Track_Enemy_Ex_X_Less_L1:: F+ y2 C6 V6 z$ m4 G a
9 n& A6 x# V3 h& M$ a7 @/ ~" P" y- LDA Bullet_Z_Pos,X* @2 I- F: C# `7 f- _
- LSR2 Y( u6 d! Y3 S, ^3 m3 H3 G& I
- LSR5 [- q: t4 i: n7 w! a
- TAY! x4 d/ a, a3 T; }1 j$ K
- LDA Bullet_Speed_Data_Ex,Y
4 i/ j! F# ~5 z9 w - STA Bullet_X_Speed,X
^1 p% H' b$ e. ` - RTS4 Q% \ N: j- A9 q
- , z* z8 Y; x3 k
- Track_Enemy_Ex_X_Less_End:
) ]* [. p9 U* G) Z3 ? - RTS: b( y( Z8 b" m" q
- : A3 x( m9 E8 p9 s m
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
( D& P1 e1 ?+ L0 f o+ H - CMP #$03
+ M, a( J% J$ J6 I - BCC Track_Enemy_Ex_X_End, |: {( I1 A2 {+ b
- LDA $6020,X8 d) X0 r" B# `3 D; s( h. b% b
- CMP #$2A& J8 I( X* \: E, Z) k7 @
- BEQ Track_Enemy_Ex_X_Greater_L1
" ^; l) |. u# y! j0 s; x8 e* H - LDA Bullet_Z_Pos,X) L, V9 n* ]7 n% i) ^% ~
- LSR9 k7 ~" S7 R5 v r6 ^7 o4 }% j
- TAY
1 o1 z" A( m% t3 w3 s- t - LDA #$00* s' \+ n1 ]* M+ `9 B. n
- SEC8 Z0 C M( ~) [3 X! q5 [! Y
- SBC Bullet_Speed_Data_Ex_R,Y* {4 y$ `1 w3 Z" D, @. C
- STA Bullet_X_Speed,X
5 q" V' } L6 c% k- n$ h - RTS6 j+ y- ]8 X7 }* {
- 3 D2 C! T" P; s! v. Q0 p
- Track_Enemy_Ex_X_Greater_L18 h3 i: c: h; {, _' H& l8 }, ~
- LDA Bullet_Z_Pos,X/ F/ f8 h" J; ^8 M
- LSR
5 \2 @+ ^; r5 d2 I5 f9 m2 `( q - LSR
+ ?+ d- f+ D8 ^& i" o - TAY
* c; ?& M9 u& a7 C% U, x. \& j' t - LDA #$00- C0 |, B2 H9 t. A1 J
- SEC
M8 p* R" ~+ }4 j3 w* j& [0 |- ~ - SBC Bullet_Speed_Data_Ex,Y
6 e/ a" T% H6 C* \! d2 ~5 c- R - STA Bullet_X_Speed,X
" u6 p% K/ {* O( W5 t# L - RTS
" h+ t7 G$ M3 |' I0 o1 f - 7 V9 C2 s) H, i8 p' E
- Track_Enemy_Ex_X_End:( C: X: J& T" a7 h- _
- RTS
+ l( I# H! ~4 V3 Y - . i, A; \3 z9 S0 q+ M N% d2 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)
) V ~# l5 V# ?* J - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
- x& o2 e% S4 l6 _ - Bullet_Tract_Direction:
9 n" |% r7 ~7 Y$ s+ w - LDA Bullet_Icon,X
" K+ Q1 ~& m9 j0 t4 @' u - CMP #$23+ @0 V) X* E; N* N: Y: Z, w
- BCC Bullet_Tract_Direction_End; k5 ~% E! l6 }. v& u% L
- " O" E Y9 D B
- ; X != 0
# H" `: b+ Y4 J2 q - LDA Bullet_X_Speed,X( V \5 J X4 t. D4 M8 ]" w9 w
- BEQ Bullet_Direction_V
# I l& b. @+ v6 Q1 T" y1 M -
$ f% o! l; g! s, r9 Q* f! {6 l - LDA Bullet_Y_Speed,X
, q) O; |' x' v7 c( G! p0 z9 t% K - BEQ Bullet_Direction_H
. Z1 ~2 Q# s t! ^% I9 k -
g |, E5 _2 @( m- ` - LDA Bullet_X_Speed,X# r- B1 P3 z# d7 j5 B* [- W* M: d
- BPL Bullet_Tract_Direction_Right% h5 M5 M; p: |( Q f
- Bullet_Tract_Direction_Left:
6 \) `) k% {; q( q9 Q p - LDA Bullet_Y_Speed,X4 m1 N2 H6 p, l4 h+ G$ j
- BMI Bullet_Direction_Left_Top# C+ V Q. U8 y! X
- BPL Bullet_Direction_Left_Down1 Y) Y8 {$ J4 y# L
- Bullet_Tract_Direction_Right:
; b" v3 O$ u. Y( S - LDA Bullet_Y_Speed,X0 m5 n0 ~" {+ [. U6 ~2 Y, l) T0 i
- BMI Bullet_Direction_Right_Top( X! X4 T* y& I) `) R7 A+ z
- BPL Bullet_Direction_Right_Down
' M( @$ j9 {! P% u+ `# F - Bullet_Tract_Direction_End:
$ o+ S0 ~1 Z, K( e! L - RTS
$ e% k) y3 f/ F) x' z8 } - + a% a: U0 L8 h7 Z
- Bullet_Direction_Left_Top:
/ M; T6 Q D/ w. { - LDA #$25
6 g' Z$ K. w$ Z) x6 T - STA Bullet_Icon,X" }! ]% G) ^) T- h& F
- LDA #$C0
+ C& Z/ N* O. p) t- b - STA Bullet_Direction,X V) w0 C* |1 ?* H. H
- RTS `8 e' {) @1 N: @% w! d }& U) G; q
- + B; i/ t+ [/ d+ E, i% _
- Bullet_Direction_Left_Down:7 A" K" N0 ~# Z* v
- LDA #$259 N% ?8 i" z0 R: T, f
- STA Bullet_Icon,X6 |( J: j1 M. I% c
- LDA #$40& O4 K R' |3 L8 N( o5 @
- STA Bullet_Direction,X
6 v. X3 L/ d! i+ I* m4 D - RTS8 X ^ @9 {. J" }! d" r% ?# K
- 9 d- q C6 R M
- Bullet_Direction_Right_Top:
, c5 W: p9 m! u) A! `0 K - LDA #$25
$ {7 O8 V a ^ F - STA Bullet_Icon,X( p; B6 [' W, y7 j4 @
- LDA #$80: s) [ t, { m1 M( u
- STA Bullet_Direction,X
6 `: q' X1 g- k5 ~7 S - RTS
8 R' t; Z0 J* @$ L, ]! S
3 ?7 ~/ J; h5 _- @9 r- Bullet_Direction_Right_Down:
- ?" o8 z# N+ x: r4 Y1 S' \4 O0 u - LDA #$25
' C: L1 w' @. u% ^# @4 Q - STA Bullet_Icon,X
: r8 n' q' V% o - LDA #$00
% _3 ~0 p% ]: ?* } - STA Bullet_Direction,X" f2 B2 C+ r% T7 r; t' E
- RTS4 N2 G3 z0 ^7 k$ c
0 U2 I& G6 i" l, ^- Bullet_Direction_H:3 h/ I/ b& R) x: ]( a
- LDA #$24 _5 B3 ~! l0 O( I+ W& b! _
- STA Bullet_Icon,X
& P* _9 z4 _7 W' |' D9 f) s8 P4 C - LDA #$00& |& u! B6 P9 K3 c A
- STA Bullet_Direction,X% z9 q* J/ N# t% f& k
- RTS
. j4 k$ V- n5 T - ) x! {& | i5 N N
- Bullet_Direction_V:
8 r: _" h% M- R# Q: P1 E) } - LDA #$23* w8 y) A* [8 N' S3 X' j3 b% A/ S p
- STA Bullet_Icon,X
! G- n' f' w6 b: W) U - LDA #$00
8 W& a$ c' H) J - STA Bullet_Direction,X# _" i! k1 S c
- RTS
6 k1 }2 G- z: j# i
9 o) u/ h# a" s4 o- Bullet_Speed_Data_Ex:
& n: g! X" g6 A. c - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04! p2 ]- B! m. c
- 5 v5 r$ S4 o( E( p+ N$ Z! F4 ]5 W
- Bullet_Speed_Data_Ex_R:, k2 I7 W4 v) ^
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08 a/ y3 z" b- T# \
-
复制代码 ( e2 [& k |5 s u u- B5 c) m
( l$ @9 J1 R- b1 F0 P& w9 f0 w6 |* k
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