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[FC][魂斗罗][J][追踪弹]) Z& u5 ^' F1 W$ F, Y
2 c0 p" K \, r: ^时间:2023.04.307 x% }9 i: W! y" ~! c9 G9 K; f5 k
作者:FlameCyclone \" Z: |( Y2 g7 L; z& R
内容:- s; J2 @ Z1 G1 }/ j
1. 所有子弹追踪敌人, J2 D8 u+ t# K: Y
2. 选择键切换武器
7 C) |' P% h* Y2 P2 x% l 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/ }1 G5 d* r5 U3 `6 f# G" e5 h
5 C h4 A# d4 r& Pflamecyclone.ys168.com
2 X {% ^! z A: i& w " f0 K1 ], N3 N5 ~$ G8 r p) X
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
; ?4 W* U9 H9 U& z - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L- C- O& r7 F6 u1 M
- 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 = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)$ o- I1 K7 }/ U! Z0 \6 A- ^
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上$ N$ F' z/ s1 o8 k4 Z; a
- $ c% C1 }8 y& E! B8 E0 z! N3 ^# o0 q
- Track_Enemy_Index = $6000
m0 k3 i) N) R - Enemy_Index_Begin = $6010
; F" E4 H: S. g4 \5 O1 w7 u" W - Enemy_Index_End = $6011
! ?% O( N3 \6 a, ~; X' l# y - 8 \: Y) M9 ]( S8 A9 J
- Loop_Index_I = $60126 Q3 z2 N2 d! T- C+ t" P7 _
- Loop_Index_J = $6013# F4 ?" v5 F( N5 \- j- G
- nEnemyIndex = $6014
; y) a3 V6 F6 W1 Q) W m - Data_buffer = $60159 y7 E; i2 N3 Q! m* ]
" y& x/ I, Z% t& O* N- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
9 i H) k+ |0 v% b - Bullet_X_Pos = $03C8 ;子弹水平坐标. z6 j% q) j/ P3 L
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ X1 d/ H3 S: V% D8 t' `& ^4 ] - Bullet_X_Speed = $0408 ;子弹水平速度
- o+ i9 V+ U* Q3 k+ a: L - Bullet_Z_Pos = $0418 ;子弹Z坐标8 ^9 A, V! C/ F0 r$ P F
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P' A$ X4 ?. W/ c8 j5 ]. A L
! ^4 c7 Q t4 Z- 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3 Y* Y) W# b3 L4 D
- Enemy_Blood = $0598 ;敌人血量' ~6 o$ R5 B' I6 `- B! L+ s. O6 }' V
- Enemy_Type_Addr = $0528 ;敌人类型* x* S4 J" E4 O- u( _* X) G5 J
- Enemy_Blood_Addr = $0578 ;敌人血量9 s+ [7 O% a/ b
- Enemy_Y_Pos = $0324 ;敌人垂直坐标4 |6 j3 \. C; M. ^
- Enemy_X_Pos = $033E ;敌人水平坐标+ \+ Z# F2 `* u! j6 i
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
3 F$ x: N [# ~' ]* f$ g2 F. n - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸/ ?+ }) v' p$ W, H/ N4 Y* O
- ! _* m: M4 z( ~
- Enemy_Index = $83 ;5 G& x& @/ M2 ^8 _/ f: g" j
- Time_Count = $1A' i5 Y1 q3 |; H9 |
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率% l H5 r: b2 D# S1 |
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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1 X3 B, t+ f. v* |9 J& q8 I- 8 V$ B! }6 ]$ l6 t! \
- .ORG $6100
) A/ g* {; x9 Q: Y s( d. x - Process_Begin:
0 ^& y' M0 M3 `# n. F) y4 s - JSR Enemy_Check
& P' ~. G& h1 h5 S! ] - JSR Track_Enemy_Check# o0 C+ B3 I- C I* A% R! o
- Process_End:
! V+ t/ d5 M7 y8 p+ @. W' B - JMP $E54F6 N% L' S/ t! o K; K* T; b
* P) B2 f: l8 t4 C J! a! N% q- Enemy_Check:
M1 ~2 w: g. w# @4 `. i - LDA Time_Count
6 U, c* U7 X4 J P; t - AND #Track_Bullet_Speed
3 T4 Y# s# e3 C* \; f/ Z - CMP #Track_Bullet_Speed
; q4 u1 ]# [' v' M9 P, L - BNE Enemy_Check_End2 [) y6 Z& g T/ }- x9 T) r
- LDX #$0F/ c7 M& R: N' S" j
- Enemy_Check_Begin:
) S6 ]! o) j, [- N+ }% ^2 n - LDA Enemy_State,X( g" Z' \$ G9 z5 l. h' T
- BEQ Enemy_Check_Continue
7 A& ?. G9 t+ p& o; l* } - STX Enemy_Index
9 G! m/ k# T" j A# u1 F - JSR Find_Begin_Enemy2 D( e- a3 [, q: \% [! W0 [
- JSR Find_End_Enemy4 X' b- H7 ~4 I9 w6 a/ X, u; t# O
- JSR Bullet_Track6 a. ?/ K" H ]3 h. Z% k5 l
- 5 ^/ ^! a7 |$ r- j& B
- LDX Enemy_Index: x X! g: j! k4 a4 P0 ^
- Enemy_Check_Continue:
6 t H* |* i7 O( F* N( I" S2 y - DEX
; S4 t1 E8 ^% h - BPL Enemy_Check_Begin
3 U. M, {, t, A: s! k( x# a$ [; C7 } - Enemy_Check_End:
B- {7 m8 c3 }; | - RTS7 T8 U& F2 Q; s0 T$ ?
-
" g+ [) M4 p' D9 | - Track_Enemy_Check:
, b- r1 R P; b' y3 R( r - LDA Time_Count5 e2 S4 \8 k" Z3 s
- AND #Track_Enemy_Speed
8 d5 E+ D& F6 x2 { - CMP #Track_Enemy_Speed: ~' \# V- L, {3 \
- BNE Track_Enemy_Check_End1 ]2 ?$ F' p8 t+ C' B
- LDX #$0F# F9 W, n5 Q/ N
- Track_Enemy_Check_Begin:
$ J6 a! L( Z: I - LDA Enemy_State,X
2 R2 ^' J% S2 h/ M4 O1 D - BEQ Track_Enemy_Check_Continue
, A) G! i! n% G, m6 \. P" t1 P - STX Enemy_Index
& @5 T1 U3 ]5 H - 0 u# h, {: v$ d! D) P* k+ W( S
- LDA $40
# |& C# o" q% F - LSR# m/ m6 c: h/ | ~
- BCC Track_Enemy_Check_Begin_L1
& K4 r- } D8 L7 M6 k - 2 q/ A. l+ W6 Z/ z" ^4 f3 S
- JSR Track_Enemy_Ex ;2, 4
& M+ `8 v$ l% c; x( l- ~+ r - LDA #$00% x" w8 ` ~& l$ B& E
- BEQ Track_Enemy_Check_Begin_L28 U' k$ r5 e d" O
- & e# M5 @7 s. v) ~' k: a! R
- Track_Enemy_Check_Begin_L1:3 l8 g F4 F1 T& O' I
- 2 r* E/ T) A- E! z* w$ P0 Z$ s
- JSR Track_Enemy- r9 g+ I1 \) z
- % a4 c, q% O8 B1 d0 S* ?5 a
- Track_Enemy_Check_Begin_L2:
5 l8 Z! ~% w: D! P. c6 u" K -
0 p- u7 U/ E* P h - LDX Enemy_Index4 Z/ k4 p I$ t
- Track_Enemy_Check_Continue:0 x% l# o. e# f6 e
- DEX
9 N( E0 ^8 C. c1 ^! I - BPL Track_Enemy_Check_Begin
8 h& o; Q9 f3 X3 w9 m# R - Track_Enemy_Check_End:
3 M9 v* l' w- g$ k+ x/ M - RTS
/ Z; y+ A/ [3 Y5 e" s. I( L - - \; r* i" a- Q7 P7 q' _( Z" L5 n
( X& _6 U3 C3 w- ;查找第一个敌人
$ C, P* C: [- }( _% J, h. t& g - Find_Begin_Enemy:0 I1 O+ C% \. a
- LDX #$00
' G! w' r8 u2 ^2 i8 f! V - Find_Begin_Enemy_Check:
" i( a4 b9 x: Y* g0 n# p8 w - LDA Enemy_State,X
" ~& X/ {/ w7 E: y. B! ? - BEQ Find_Begin_Enemy_Check_Continue: _5 M! w/ j1 N
- LDA Enemy_Blood,X
: O: |5 e# N- Z$ i- N% n/ R - BMI Find_Begin_Enemy_Check_Continue8 S8 _# v6 g, k; O, W
- BNE Find_Begin_Enemy_End' W# ?* w3 N8 A4 { S
- ) W3 l: | p* a: T
- Find_Begin_Enemy_Check_Continue:+ M( x1 U( z8 \+ o% n
- INX- K) r- e6 S; T5 `! h9 u. A# w& s
- CPX #$108 H3 e5 p: k. d1 f( K
- BCC Find_Begin_Enemy_Check
/ \, m( J7 e R' q! l/ } P - Find_Begin_Enemy_End:
! M5 m6 ^& c9 l% E0 c2 e4 z - STX Enemy_Index_Begin% \' g& [6 H; k3 c. `) e
- RTS& p, I- ^' v. ]9 m( o% S, j' L
9 a: D/ c$ B, P% i- ;查找最后一个敌人! S2 \% q8 {+ i0 N9 Z
- Find_End_Enemy:
% r K3 s6 V( \2 u7 b9 c - LDX #$0F
, f' `- h3 e2 g5 v/ D - Find_End_Enemy_Check:
7 A5 d' N! ?( C/ B+ X - LDA Enemy_State,X: x9 s) U; G- h0 Z
- BEQ Find_End_Enemy_Check_Continue
; r& ? z; i- \" ] - LDA Enemy_Blood,X
) | A5 P3 g1 F1 \+ [$ H; J - BMI Find_End_Enemy_Check_Continue5 }9 ]" f" i7 U I
- BNE Find_End_Enemy_End! g j# u: I+ L
-
% c& I7 l- l* S8 I- j - Find_End_Enemy_Check_Continue:
q5 V* e+ F' e$ b - DEX
7 B1 k, D& {7 y* V" r1 q1 m' d7 z - BPL Find_End_Enemy_Check
- |9 w: p3 X3 e8 n - Find_End_Enemy_End:& d( A( x2 y5 |" `
- STX Enemy_Index_End1 M! T. [6 ]0 e5 |0 {% i
- RTS
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- ;子弹追踪
% R# U- x. i2 F8 ]& [/ R: }# Q - Bullet_Track:8 A8 U* v( E6 `9 y5 |1 q! o
- LDA Enemy_Index_Begin
/ d6 }( c5 Q, J, q7 U* M3 I - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
$ D) E: r( u" R0 `+ L v" ~( [ - LDX #$00 8 j l" B5 y3 s3 E7 h" Z
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++): Q" W2 O8 k8 ]2 i% ^
- LDA Bullet_State,X
/ C; z8 c* b! Z/ R2 l - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
5 i2 [3 s$ e8 D6 k$ @- z - STX Loop_Index_I
* r2 t) Q3 ?' z7 M+ k' J6 G& b -
: T: i$ s+ o3 \/ N; o* ~& } - JSR Bullet_Track_Enemy
' {7 S2 Q: {9 ~2 Q# b" Y - JSR Bullet_Tract_Direction
1 C5 s3 y5 v1 t; _ - / b- m( F- p, A' I5 \2 G r
- ;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
/ X# i# a7 A# [% `. |' `' g& ~. K* ` - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
& j/ o5 A5 J, j# J. K4 @9 ~5 y - LDA nEnemyIndex( q& H2 w$ w4 }- l: e
- CMP Enemy_Index_End- Y. \# m+ J% k
- BEQ Bullet_Track_Check_Continue' ~) |/ }3 U3 i% H4 h9 a
- BCC Bullet_Track_Check_Continue
8 U1 ]/ O" ~& }" S7 I3 i( z/ U - LDA Enemy_Index_Begin. I4 r# i8 a) w3 M
- STA nEnemyIndex
4 D4 ^! v, x3 T1 E -
# Q7 }4 \) C: m, a! h+ w! ]# o - Bullet_Track_Check_Continue:
3 M# g7 p+ D! F2 E! y2 G - LDX Loop_Index_I9 `' \$ X+ e7 _. B
- Bullet_Track_Check_End:9 B0 Y7 f" g8 Y, a, j8 z& r& k
- INX( P6 b' ~4 T" P& O) |8 b% B! v
- CPX #$108 w w1 J0 s* ]9 o3 a, ~0 i/ |
- BCC Bullet_Track_Check% C5 o' g- Y7 f- V3 S# _4 W
- Bullet_Track_End:# v; g' Q! _' |3 j
- RTS
3 U+ o9 x4 i' x' f -
8 l3 \# w# O, t+ I1 x. I - ;给敌人分配子弹
; B0 w" `5 ~4 z$ l+ T& H4 o - Bullet_Track_Enemy:
- e! [% W1 D% n2 u, }) @' _; l: C - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)6 ~: B2 Q& d3 v. V) s6 u
- Bullet_Track_Enemy_Check:
2 Y6 l0 Q+ E( O$ \ - STX Loop_Index_J
7 a3 r% Y/ Z1 ^& \2 K4 d5 W -
p9 }+ Q' r& L3 _, M' K8 l( o - ;if (0 != nEnemy[j] && -1 == nTrack[i])
$ I. B i0 U, _1 K( ^% l3 a5 X" H - LDA Enemy_State,X/ _9 h6 r5 Q. E! `, B
- BEQ Bullet_Track_Enemy_Check_Continue7 H0 W( V& ?4 G- e5 S7 Z
- LDA Enemy_Blood,X* @; v1 i8 O$ ?" E4 Z G; F+ q+ W
- BMI Bullet_Track_Enemy_Check_Continue
+ t6 i2 B6 y; k* n3 v -
7 R4 }: I f. H! M4 u: y' b4 ? - LDX Loop_Index_I" U0 O4 b0 e5 O* d
- LDA Track_Enemy_Index,X
: U- N0 m7 K. L( B$ B9 s- s - CMP #$FF0 M2 E3 g9 s a# b4 `
- BEQ Bullet_Track_Enemy_Init2 G/ j9 O5 Q0 r( x, y0 j
- ( }' m$ Z$ `' m: ~, I
- Bullet_Track_Enemy_Init:
/ q' J5 e7 x- t5 y - LDA Loop_Index_J
5 |: e2 `( h. t( [ - STA Track_Enemy_Index,X ;nTrack[i] = j;: G ^* r9 n) h" e/ ?
-
0 Z2 I, `9 A+ |* D - STA nEnemyIndex
; L& {, U8 u6 R9 Q5 u - INC nEnemyIndex ;nEnemyIndex = j + 1;/ ?+ E( e4 ]+ x2 i* p8 W
- RTS ;break;$ `% N2 C4 E& ^, J: g9 r
- ( W4 x# \7 L) o2 N5 m) h# U
- Bullet_Track_Enemy_Check_Continue:
. P) F& l* A8 q4 i4 e - LDX Loop_Index_J: b+ o* }+ t. G8 O
- INX ;j++( z$ n; n4 z k8 q) Q, Q. T% U
- CPX Enemy_Index_End( ^" r0 k$ z7 O+ g0 D' O' c
- BEQ Bullet_Track_Enemy_Check
; H7 M2 T/ E/ Z$ }' J: I" | - BCC Bullet_Track_Enemy_Check! I7 g+ F' I8 t
- Bullet_Track_Enemy_End:
$ C( p/ H6 c( e: l$ d; z' @6 v - RTS
* R; [) P! K3 A, o6 `5 I; r2 r' Y
8 h+ i7 Z$ t: T2 {$ y0 j- Track_Enemy:
5 I' x$ Z4 g6 d8 ^: h - LDX #$0F0 c. B7 z* |; l/ l0 N
- Track_Enemy_Begin:
0 W# b! L' u$ ]4 B5 y3 J; X - LDA Bullet_Icon,X
! T% g" Y8 ?, X# ~/ d - BEQ Track_Enemy_Continue/ X" C4 Y& _* ~9 Z1 n
- LDA Bullet_State,X
" m0 Y, p; w( H - CMP #$01$ Q% J/ E# B" i
- BNE Track_Enemy_Continue6 U+ r# b0 h/ P% S" Q: Q* p
- ) l6 s/ N4 t. L; W6 D* U; W5 E* F
- JSR Track_Enemy_Process
, }3 j2 F- e; ~- S: ~: j7 o -
1 f( L. o6 _0 i' v5 y& P+ [ - Track_Enemy_Continue:
% J* _$ Y7 M& @- J: |. e% Q6 }: \ - DEX
' ^; [. G1 h9 j9 Y. ^& B+ F - BPL Track_Enemy_Begin
2 h$ s" `9 k/ S- C7 A - RTS
5 A2 h" A) ]% h - 6 n5 L' a, a# z3 G
- ;普通关卡
9 N) p# E# ?: Y* I - Track_Enemy_Process:
/ q0 a; v. A$ B - LDA Track_Enemy_Index,X
: v# Y8 m9 K# q2 }/ k4 i* W - CMP Enemy_Index1 L7 l% {% z6 q; h& p
- BNE Track_Enemy_End
& l z* n5 T- g8 C6 C - LDY Enemy_Index2 D( X1 {; S1 G/ g( m% N
- JSR Track_Enemy_Y% z; O) d/ H2 e f0 s7 ~8 R3 J
- LDY Enemy_Index
' o) V: n* q( }" S* b h; G - JSR Track_Enemy_X
0 V, ?4 i" I9 X$ G3 @# U- r - Track_Enemy_End:
& C8 w0 S5 S5 Y2 o, O7 _6 U5 w - RTS
3 a" Q! |# X3 P! z& t* g: } -
* c7 ?$ {' Z! c - Track_Enemy_Y:4 Q" C. e' L; _8 z% g# l
- SEC
* a' W( y6 X7 R& D W* o - LDA Bullet_Y_Pos,X
^" X+ z y# Q; n) S8 y( v0 w - SBC Enemy_Y_Pos,Y
9 B2 K$ R; v$ | p9 A. j0 w - BEQ Track_Enemy_Y_Equal
B4 W: ]& s- q9 {7 `* i5 g# i, _; g - BCS Track_Enemy_Y_Greater
2 K2 F' y9 M. \0 _6 G - W' c# _+ \4 V7 p. B) E
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y+ c6 _# C1 R' ^& ]0 c) h5 I
- CMP #$FC& T2 Z' _( j; R
- BCC L1_1
9 Y4 c5 K& S- t: W - CMP #$FE* Q" q6 w2 A* v( h2 q3 Z5 ?7 F
- BCC L1_2
2 ~; H* y' i# g, M( |1 Y - LDA #$00% q9 N0 y. W7 Y, }8 G9 h- x7 d
- STA Bullet_Y_Speed,X
7 X4 R% j9 {8 L1 L! s. W - RTS/ L. c; f0 _ w0 v8 D+ O
- L1_1:
6 \6 \$ M+ ?" m1 K! M7 D! t - LDA Bullet_Type,X
- U" I, _1 T/ p N7 d! I% K - AND #$0F
1 n# w: K4 M; i! ?- N - TAY
L0 U4 w p% | d/ ~ - LDA Bullet_Speed_Data,Y
3 J Y9 y8 s0 v5 a; K0 d1 {8 O - STA Bullet_Y_Speed,X
6 C( Z- H: G7 m/ I4 r: a, M8 ~ - RTS8 o$ K" R3 H3 \' \! r
$ n; m- d; @0 o* U+ G- L1_2:
! q, L: W7 G, L0 n5 h - STA Data_buffer
$ Y2 r) f' y, Y0 r' A9 X - LDA #$00
3 w0 l! R% d% `& c - STA Data_buffer
( Y/ }. U. j& ] - LSR* K! k w- C: o
- STA Bullet_Y_Speed,X! W. e- V6 t8 h. S1 `% A. M! k
- RTS
( S1 r) ^. ]$ y& e; l0 { - : i& J3 |4 a2 a3 G5 q: r
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y3 S& U' b& {7 `# T" s
- CMP #$04
6 `2 ?+ E4 e, \0 Y; d' y$ y9 m - BCS L2_1
7 Q( D. M- @# Z - CMP #$049 z6 b1 H# e& C; d
- BCS L2_20 }( q; N/ o# e6 |
- LDA #$008 ]7 @; k4 S* n$ B
- STA Bullet_Y_Speed,X
+ D1 B( M) z( ]- t - RTS
* o, l! ~ F( I/ Z& a# C& o0 c* w - 4 Z0 X$ A; ]& ]$ \) D& p4 Z
- L2_1:
$ ^ _) C# E& Z* l3 H7 e - LDA Bullet_Type,X7 [- ~3 R+ X6 \( y1 V1 f# {1 V
- AND #$0F' V, A' v$ x7 J- `1 X6 q t9 Q
- TAY
$ v' V! C: G8 E' ?( F2 a - LDA #$00 K% i' O$ @& y0 C# f' N
- SBC Bullet_Speed_Data,Y
( I; u* g3 c, v" y. V - STA Bullet_Y_Speed,X
M, m( |" x6 G* i/ T - RTS
: |* A4 _1 n' F2 } -
1 W$ n( d( h3 M" X - L2_2:, j5 B9 g9 k: U- q$ X5 t5 R* R; K
- LSR j# Q" S- @4 R7 t( G9 X
- STA Data_buffer
# g/ E7 ?' R& c" h - LDA #$00- o6 V7 Z& R3 u# j
- SBC Data_buffer( t$ }* a" r/ r! ]& a6 \! [
- STA Bullet_Y_Speed,X
1 ^3 ?+ Y4 S j6 C% b! @ - RTS
2 X2 r% b; e8 j: V; d2 t -
3 L& p( q- W9 F9 N* X7 L - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y- I% e8 B `$ A6 P" A
- LDA #$00
" ~* Z' g2 D( ~5 t; v& U! u - STA Bullet_Y_Speed,X
/ U+ |1 q9 H. v4 N - RTS- Y; t1 |" E+ I' d e. l! H
- : l( ?- t" }1 ]1 E: l5 ?
- Track_Enemy_X:
7 m: \! n7 h5 p8 P* W! K - SEC& V5 A S( T u5 I9 u0 K( G
- LDA Bullet_X_Pos,X
/ g6 y' s- o2 E - SBC Enemy_X_Pos,Y& N) K% R6 J2 ?# V
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
, D% p3 ]5 b& O - BCS Track_Enemy_X_Greater ;子弹在敌人下方7 m7 w' b: w8 i
-
, l# [; C' s z0 s4 h5 h - Track_Enemy_X_Less: ;子弹X < 敌人X
2 @. h0 ]2 \3 T - CMP #$FC
9 ~6 ~1 |, o4 i - BCC L3_1
! V0 V K8 k& q- j - CMP #$FE+ c" f( n' J* B3 o; W( ]
- BCC L3_23 P1 y8 @0 s- r5 ~' `- Y
- LDA #$00. T0 r; \+ `7 n$ t( y
- STA Bullet_X_Speed,X& I) V0 B9 }7 _% k
- RTS" a+ F' ~4 i: I' q! C! ^: l
- L3_1: ) R' U- w9 G u. M U+ g
- LDA Bullet_Type,X
& N/ Y9 n8 I, x9 i' R - AND #$0F9 c6 G' Q! a3 x( Z3 [$ L
- TAY. k$ _* i4 z _; p' ^$ W! K8 P) i4 j1 l
- LDA Bullet_Speed_Data,Y! Q* Q! w9 V1 [# u
- STA Bullet_X_Speed,X
0 y3 H# ?( y* W9 m; P9 P - RTS# Y' H; L9 T2 G! s1 b& ]
- L3_2: . r! ?) C2 i. A
- STA Data_buffer! e, O6 D/ }$ C/ L" J+ S# C3 K
- LDA #$002 @' [; g, Z4 E; m1 x/ G4 N. P
- STA Data_buffer! m3 ], k2 J5 Y3 T/ k
- LSR+ }8 a% [; b K' F( F
- STA Bullet_X_Speed,X$ C1 T/ ^+ ?' L3 g: ]" z: e
- RTS
0 i' m6 N* W4 j5 s7 J - # ?7 S& u# o) g" v. M8 N- V2 r# {
- Track_Enemy_X_Greater: ;子弹X > 敌人X
/ e& M$ q% l4 k ?* W# W0 @ - CMP #$04$ P- d; E( s- ? @) `& A
- BCS L4_1
& x O! ~' _+ `9 Y$ o' n4 L - CMP #$02, d" u3 o" f( K; o
- BCS L4_28 o5 c1 M5 i) f. S8 N
- LDA #$00! u: C6 m* n0 O* P* ?8 {0 g& z- N
- STA Bullet_X_Speed,X- d( T* n4 S7 `! T+ D8 d+ C2 S
- RTS
\: c, T @' A+ x' Q: } - * I, n1 D' z' m# h* f# y. n
- L4_1: " I& T4 n6 n$ j/ u5 X0 F
- LDA Bullet_Type,X
7 p+ |! c6 M- G' M - AND #$0F# n" Z8 A: o8 Q5 Y4 ?0 e
- TAY6 o" |5 i0 J; ^3 x! E
- LDA #$00
) {/ U) g d* R0 ]; b - SBC Bullet_Speed_Data,Y& m- X2 J: Q2 f% n
- STA Bullet_X_Speed,X
+ W1 D: S* H! w8 Q" r - RTS _' F5 w0 e; C6 J8 W& l5 ?
- L4_2:
) o4 f" z0 g/ |" b! A - LSR, P/ B( ~. D# E* x n. f
- STA Data_buffer( i3 D3 F* _3 i# R' [
- LDA #$00
1 T# X7 N/ |2 ^. D- s$ \: N - SBC Data_buffer
8 U# p: F6 f9 c8 v, a. k+ i - STA Bullet_X_Speed,X6 s9 J# ^7 `2 e; R9 D. k5 p+ d
- RTS
2 }+ D. h8 D' L- G" | - : v& b7 g9 n2 ]3 G. X2 P4 d
- Track_Enemy_X_Equal: ;子弹X == 敌人X
8 T. d3 B C' [" A V. x" c - LDA #$00
7 Q+ C* f# T4 N3 z6 t - STA Bullet_X_Speed,X
' d1 B1 n$ }' a2 _( w - RTS1 m2 E0 T0 Q" w( M
- / e6 u4 |* j% @1 a5 {6 ]
- Bullet_Speed_Data:
; d; C. B& M* G* \( Q9 E - .DB $00,$03,$03,$02,$03,$03
0 A; u1 I1 f8 k k0 a -
, `1 h4 G4 [5 I0 ^$ ~7 a - ;2, 4关7 C( X. D. E: @3 r3 B
- Track_Enemy_Ex:* u' }/ b: L ?6 l4 y8 o+ n0 { Y# [
- LDX #$0F: T' }! t, u5 y. h
- Track_Enemy_Ex_Begin:& t8 B8 A0 v \8 G4 D! u
- 4 y, v% x' W& t! D2 O, I; X
- LDA Bullet_State,X3 A" ?- x0 M% T( A
- CMP #$01& G: J, U8 K' R0 S! o8 _
- BNE Track_Enemy_Ex_Continue
( Y4 R/ h/ Y; \7 l$ y2 Z6 s6 o - 7 t" H7 A v K; I4 G; @) l) x
- LDA Track_Enemy_Index,X6 j6 N: @( Q& n! ?4 ~% h
- CMP Enemy_Index
+ s# i: O7 R4 i* Z# } - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
# \9 C( O! O& P: q -
/ T2 B/ e/ M" l - LDY Enemy_Index& {- x( E' m' o/ @2 b$ O! `
- JSR Track_Enemy_Ex_X. V2 d; M2 _4 |) g0 C7 [: \
- ' k: I" ~4 }( D; G/ o5 \
- Track_Enemy_Ex_Continue:! e7 h& H3 p* X
- DEX
& I F; \% R* p1 g* q% b - BPL Track_Enemy_Ex_Begin5 c" X9 |; V+ ]' M- K3 M) g7 I# a
- Track_Enemy_Ex_End:
, t/ l7 [! H( y/ x. j9 d6 G - RTS
2 J) d6 h W k7 o3 u3 @$ s d -
0 c F1 C, d6 ~; U - Track_Enemy_Ex_X:
$ T1 v! |: V: Y9 |2 s - ;LDA Bullet_Z_Pos,X
# E x, i" ]3 O8 \2 Z8 E - ;CMP #$04# ?, c- W2 y# J$ H/ X( H2 |& X
- ;BCC Track_Enemy_Ex_X_End
& z( J$ x' o8 v+ V% ?. c; w) `1 s3 X - SEC
' u. B- E# |6 Y) p - LDA Bullet_X_Pos,X }! a3 M" l/ I W! |
- SBC Enemy_X_Pos,Y, N- p. k! E3 x& W6 F
- BCS Track_Enemy_Ex_X_Greater5 @! x- A9 u' K; n+ Z3 }% ^2 v5 ~4 F- }
-
6 y9 x [2 y! ?$ a. h3 Q - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
. ?& ]# p. k- z - CMP #$FD
" f; S# X3 Y2 D' e1 x - BCS Track_Enemy_Ex_X_Less_End
' J, ^2 o& E x3 ]; m; @& [! h - LDA $6020,X6 q2 e3 i6 v3 Y% V8 w
- CMP #$2A
- O* y6 w7 F% Q2 A3 D8 ? - BEQ Track_Enemy_Ex_X_Less_L1
`# B' f: O$ K$ {5 x" D - LDA Bullet_Z_Pos,X) I& |5 k9 I6 b( ?$ R/ K
- LSR
" u! [* ]) @: R- I e; P* N9 ~9 t - TAY
" ]; ?7 `% \4 j% v J& ] - LDA Bullet_Speed_Data_Ex_R,Y. u1 C, Z" n+ T
- STA Bullet_X_Speed,X
7 O) p# `& T f - RTS; J: l1 T8 D8 x1 M9 j% A
- Track_Enemy_Ex_X_Less_L1:
2 \: o7 l: Q- }- V3 E' O* x- |$ L - * U3 y# i3 m' K# l! U0 _, [
- LDA Bullet_Z_Pos,X
0 z7 _+ H& D" m( Y& W- e - LSR; d; ]$ s( [7 V* ?6 C
- LSR# t3 z3 M& M" B
- TAY1 L9 L0 a+ \( ~% t- Y) L! s! K
- LDA Bullet_Speed_Data_Ex,Y7 I$ O$ ]+ i; ^$ ^" B$ g" M+ T
- STA Bullet_X_Speed,X
* R Z. i6 ^! O; c, } - RTS! i7 e5 O' ]( u' `: a- v
-
5 j( q8 P: y0 s6 ]! W' x - Track_Enemy_Ex_X_Less_End:7 Z8 P: k! n O% f9 b
- RTS- p2 r; U7 `6 U. Z! v- Y
- ! ?& T! e& ]' A' b/ s2 v
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X8 s- A$ B) V9 N* A/ E! `9 g7 W" E
- CMP #$03
+ f* M. P( }# p7 s7 k9 ]) x4 c - BCC Track_Enemy_Ex_X_End
5 R" h% l' C! g X - LDA $6020,X
" K- k- _- O8 g5 h0 n1 P& O - CMP #$2A1 F1 R5 e! ?* i e( V2 \7 C
- BEQ Track_Enemy_Ex_X_Greater_L1- q, H; U, e; m1 X9 h9 n
- LDA Bullet_Z_Pos,X
, n, u# ~' j# Z) }; c3 \5 u5 H - LSR
0 M% M6 e X2 I5 ]) n9 s5 n/ u, _ - TAY7 n2 E/ [ x% }6 n+ b
- LDA #$00
0 t1 y7 f/ l/ n& |; O8 y! Z - SEC
0 U) @& E* d. e - SBC Bullet_Speed_Data_Ex_R,Y
; j0 V* @3 h; S# Y( Z - STA Bullet_X_Speed,X& i, [: A9 C% I' L5 v7 v
- RTS
7 q2 m7 n4 R; E; `/ x# F0 ~ - 5 T( m: {5 o9 d8 z5 [6 N
- Track_Enemy_Ex_X_Greater_L1+ ~2 `# v; U- \0 V6 ^
- LDA Bullet_Z_Pos,X5 T5 ~% j* _! N( a' R5 T( D
- LSR
! n* x' I1 m. }0 _& }4 Q - LSR
7 a, b: }- J% t! g - TAY$ p3 S* H, F, C; O* L# \9 ?5 J6 f6 X
- LDA #$00
; O6 H' M [. J4 G( s# ? - SEC; V, e" q1 E% y+ E& v/ L6 D
- SBC Bullet_Speed_Data_Ex,Y
; }$ e3 b# e2 s( @ - STA Bullet_X_Speed,X! f1 K4 U: b- C" [. m
- RTS
Y& b; J& b0 O! f -
, x' O; i; @) q, x) y - Track_Enemy_Ex_X_End:, a" x/ e" B$ l& }& y. [5 Y" y, g3 V) V
- RTS) t6 u5 q, A2 y0 S
- 7 Z$ R9 P- L" D
- ;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 C7 j. g- H% y1 _6 P' f - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上" z: q* d' Z6 o& A. Y. V2 B
- Bullet_Tract_Direction:% s3 F- D# y7 o7 y0 R. H
- LDA Bullet_Icon,X
E" k+ }) s$ q d" f4 M; I - CMP #$23
# H$ [2 h5 ]8 B - BCC Bullet_Tract_Direction_End
, x$ g. k% G& w/ C- B- k1 \ -
, v5 a m6 E4 ^ - ; X != 0- E/ y3 k9 r! y- K8 C
- LDA Bullet_X_Speed,X
$ ?. s K) L1 D9 \% G' q - BEQ Bullet_Direction_V3 p3 d' C7 o* F# T( u. g
- 2 d1 k# b2 w1 j1 |( d( z. x
- LDA Bullet_Y_Speed,X2 @# }! i: A9 L+ w' j
- BEQ Bullet_Direction_H' _3 S6 u$ U' F/ \3 o" P: s
-
- X/ p; k2 v( i! d: _( T* f - LDA Bullet_X_Speed,X+ I$ @3 S# C4 ^) `
- BPL Bullet_Tract_Direction_Right! i& M' b/ Y8 y; }# P
- Bullet_Tract_Direction_Left:
0 z" G3 \* n" Z% x9 j$ ~+ T - LDA Bullet_Y_Speed,X4 P2 j/ Y, j* m% Q* G
- BMI Bullet_Direction_Left_Top
$ i* y- K# V9 Q$ v - BPL Bullet_Direction_Left_Down
3 O( ?8 G* y) `9 W8 D; ^. I - Bullet_Tract_Direction_Right:4 T M' M2 k8 ^
- LDA Bullet_Y_Speed,X
3 x- U# g4 R q - BMI Bullet_Direction_Right_Top) P7 u3 G, b/ m9 N
- BPL Bullet_Direction_Right_Down( R1 R" ^3 x+ C% P# L" i$ ]
- Bullet_Tract_Direction_End:
1 r8 d7 k( N: `# {) O+ ?! u% \2 c5 _ - RTS8 z* C; X- ?9 i! s$ L6 `* s {
O8 N( a, R/ R/ U8 R/ j) K- Bullet_Direction_Left_Top:
4 @! z+ c K5 B r* u- @ - LDA #$257 R; q7 C& b$ X; U+ R% S" A0 ?
- STA Bullet_Icon,X
: w/ ?/ ^4 S- z3 ` - LDA #$C0
M. H: ?5 Q5 ~ r7 ?. [1 G - STA Bullet_Direction,X
x; L( c6 t8 w7 e5 ^+ e( ~1 W! p - RTS
y- }% |; v4 @; t - 9 e% {0 j) |, b, [0 Q8 w5 l
- Bullet_Direction_Left_Down:# h. F1 u# M1 {
- LDA #$25
% Q! l% t; H. m% K$ i8 N - STA Bullet_Icon,X: ^/ L3 o. _# F% e$ c" L9 `3 t. O
- LDA #$400 ~- @2 n# A( w. A, y H2 @
- STA Bullet_Direction,X
+ J" U5 a9 Y; O" i - RTS
! E: @/ `0 f' @+ S0 E4 ]" h# J1 R - 7 \1 U, ` c% I3 a1 V V2 n
- Bullet_Direction_Right_Top:4 J- E8 V8 k9 L+ ?% B9 ?, h
- LDA #$25
; _% F4 e+ j0 _( S - STA Bullet_Icon,X* ]7 `4 B2 n' k
- LDA #$80
, c% E# _! C0 Z1 |& R' W - STA Bullet_Direction,X
+ t* w: d, B }8 V. T- i O - RTS u; b [- E+ Q) O, s' a
- V# q P0 \5 [- Bullet_Direction_Right_Down:, x, g6 u- w- F/ M2 p
- LDA #$25
0 Q. p8 R+ k7 r& w, S* \+ g - STA Bullet_Icon,X
9 q$ f2 \; W2 z; T6 k - LDA #$006 {: y% T% M& w5 V$ w
- STA Bullet_Direction,X0 o* @% f" d2 ~
- RTS
) p- j& B7 w6 R* E - ; N1 E+ H' G+ |- g) N
- Bullet_Direction_H:4 q1 ?0 N# X4 s$ T9 i8 y1 V
- LDA #$24
5 ?; v) o2 U9 f: u+ I0 u V& |% {" q( p - STA Bullet_Icon,X
# \) \& I* J+ b; a1 d8 s4 D - LDA #$002 E- G# B4 G& l! f u
- STA Bullet_Direction,X
- d9 D" i3 k" n4 Z# c - RTS
* R, n/ k5 |% a( a t* g5 g
8 j: w9 {0 r r- Bullet_Direction_V:
2 L) f3 C! Z0 m5 h! ^8 l - LDA #$23
& V/ j$ K+ t7 N5 T - STA Bullet_Icon,X# _; Q# F3 ~) K# K/ W
- LDA #$005 t6 \2 Q$ m( K$ s
- STA Bullet_Direction,X
5 z4 @9 s# L% S$ C, F1 [ - RTS3 v. g# q. O: m/ z3 b& o" D
' M( p2 Z; i _7 `, W( x- Bullet_Speed_Data_Ex:
8 c( C- y$ b+ T - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04# p; C4 e$ c+ z; z! x9 s# Q7 S
-
- l) L* L# X6 G( `0 @. |: K+ d - Bullet_Speed_Data_Ex_R:7 @, m) }. D( N
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
/ e) G! |2 j' d: l9 ]( P- S( F -
复制代码
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