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[FC][魂斗罗][J][追踪弹]8 l6 ~6 Z0 l$ G, s
- L& G% \0 q8 Z
时间:2023.04.30
) R% Q2 q4 ~) @; r作者:FlameCyclone: d0 p9 I J: G( Z! g! A& K& ?+ c% j
内容:
7 i5 z5 k; M5 H& U& @) E" L% U+ L 1. 所有子弹追踪敌人* T5 @ m8 b8 k! r
2. 选择键切换武器
* y1 [6 Q9 d; K |3 F+ Q 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% P, v0 f$ u5 E! b6 ]! Q; F2 w
; l7 d0 R0 l$ ^" }; Q0 k. Hflamecyclone.ys168.com( F) E. x8 c, K* g. j9 V- ]

2 y7 \0 d" e$ [- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁 X0 ~6 Z; G8 I5 _( H
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L; d! J4 T. t0 Z, Q% Q+ f
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)5 M l" U/ M" F9 V' S7 V3 {6 P$ Y+ x
9 a! v1 Z. C# q, 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)
" M5 m t& v" W: M- e2 R; _) w; { - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上& h5 k! v4 x6 Y2 a
, S4 _$ ]" b ]# T4 U6 _: S- Track_Enemy_Index = $6000! q1 i/ U2 e$ Y/ {7 p, C% G
- Enemy_Index_Begin = $60100 }! a+ z( l5 ?0 `3 P8 h, U' ^
- Enemy_Index_End = $6011
( E4 A- t; l1 U$ |% w: j: Q - ) {8 W4 S5 w8 ^- @; i- _( M
- Loop_Index_I = $6012
+ y+ l- U1 {% f: T3 [# u5 t - Loop_Index_J = $6013
* C7 Z# S9 K0 [, R4 ] - nEnemyIndex = $60141 j! t( ?$ E5 w: G0 J
- Data_buffer = $6015
, |( N6 ?+ p& S! }( U7 _! s% V - ' M; w& B3 V' r# S/ x) r) ~8 [- @# }
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
U! y; m0 D; h% X6 }7 y - Bullet_X_Pos = $03C8 ;子弹水平坐标
# B% T! m* ]: a& E8 |" _1 T - Bullet_Y_Speed = $03F8 ;子弹垂直速度1 ?. P* ?3 @8 [4 D( Q" D1 w7 v) u
- Bullet_X_Speed = $0408 ;子弹水平速度
+ w: |7 H! K. L2 b+ Y" v" W - Bullet_Z_Pos = $0418 ;子弹Z坐标
5 R8 u$ l8 C" Q7 I$ U- E - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P, _ Y- e" m3 N. F( E# C3 o) l
- ! f3 N* ?+ i3 L; z# T- s
- 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' S: w" U6 Q. B, t) v* r+ r8 y2 l
- Enemy_Blood = $0598 ;敌人血量
! v' o6 Y( X9 c1 m1 R - Enemy_Type_Addr = $0528 ;敌人类型
5 Q! @( h6 w! j- F5 I: _ - Enemy_Blood_Addr = $0578 ;敌人血量
1 X5 D: {2 Z& z& [" | - Enemy_Y_Pos = $0324 ;敌人垂直坐标3 W2 k4 W; P3 c S" F# a( B. x
- Enemy_X_Pos = $033E ;敌人水平坐标, H) ^; S: q' x7 A1 v4 F
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
1 T1 a7 N2 N8 Y4 i - 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; J3 ]" Z6 e6 y1 F/ T( f
- 0 H' w' H5 V2 N- L
- Enemy_Index = $83 ;
; j9 k! B( Z" n5 m. | - Time_Count = $1A% B- w: t1 Z& Y
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率8 T' N, R# Y9 `% m: t" q9 ]; N
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率% I3 x0 B/ W6 B+ Z4 t9 B
- ; p! p- [4 d! G' g9 L/ ^! }- ?
- 7 `$ E- w% x7 J# E/ t( F$ Q1 Y8 L9 e
- .ORG $6100
% z- l( H2 m7 H5 X - Process_Begin:
$ o O$ G: f- i+ C" M0 J3 S - JSR Enemy_Check
) g) R0 y g0 G' F3 g - JSR Track_Enemy_Check6 C, Q; o3 j$ l
- Process_End:
: w! r$ u* N) k y! b - JMP $E54F' l& A/ u7 B# |% h# x2 Z
- - a4 g! C- n' x" j( V3 D2 w0 u
- Enemy_Check:
& F3 N; e9 |( l) b& n, Q5 K - LDA Time_Count3 C5 [2 K7 A1 A( k7 y% `6 t& {
- AND #Track_Bullet_Speed, N) W8 v1 t& \. O+ S [: m2 K8 `
- CMP #Track_Bullet_Speed7 z- v: R+ B6 E8 C- x; K9 `1 \# m
- BNE Enemy_Check_End
$ u# h3 D: w, u4 m9 C" @ h7 p - LDX #$0F M, l, J1 R1 B) A! K+ E
- Enemy_Check_Begin:! m3 H4 j; o4 X: t$ w
- LDA Enemy_State,X* |% i2 S. x/ ~9 A( ^
- BEQ Enemy_Check_Continue
1 L7 Q7 y- L0 l0 ^3 W9 l& e6 g - STX Enemy_Index
' \: g* m; r& {8 F: K - JSR Find_Begin_Enemy
: x. W6 ]1 M J, B- h - JSR Find_End_Enemy
+ R6 A5 j7 o4 \8 v) L - JSR Bullet_Track8 ^/ a/ O }) _" P) a1 K
- % G% V5 \" O4 ~# Y
- LDX Enemy_Index3 f% l2 p9 G ^6 M# X5 @
- Enemy_Check_Continue:, m# H! r2 n/ V% F2 @! J; T
- DEX1 A6 z7 o8 {7 g( N- k3 K" H4 d. U$ X- D
- BPL Enemy_Check_Begin
! i3 E) ~% P9 K% b - Enemy_Check_End:
9 B) j4 }+ v5 D5 L* \4 M - RTS
% W* ^$ s4 |: j - - r, F& u0 z+ Z; _
- Track_Enemy_Check:3 o% F' b, n; v) j' {( T( t
- LDA Time_Count# \) T- A" o1 `1 v2 S% J/ _
- AND #Track_Enemy_Speed3 {, X! T, C# g* Y1 D; W
- CMP #Track_Enemy_Speed+ O( N: g9 L: G
- BNE Track_Enemy_Check_End
9 U( @3 D2 E7 y2 }0 S - LDX #$0F
) J- i6 Q1 S! V3 j: L# C - Track_Enemy_Check_Begin:9 i( Z& _; c6 {2 _7 L E
- LDA Enemy_State,X% p; i. g% I) W3 t/ T
- BEQ Track_Enemy_Check_Continue
7 c% j; \2 o& O2 k8 ~9 H - STX Enemy_Index
$ Z$ O5 z% z1 b F" ] - 2 q& x* g. |, ]! W' G/ q2 s0 }/ m
- LDA $405 K" v9 d( ^6 ]- Z
- LSR5 Y" W0 T8 ?' {% F. B
- BCC Track_Enemy_Check_Begin_L15 Y0 T) k2 v( C9 k
- 4 y: z) f$ {/ {( w6 B
- JSR Track_Enemy_Ex ;2, 48 A% r ^+ h7 Z+ j7 D( u
- LDA #$00* P3 d v7 x# F7 ^0 y2 ~3 t* k! l
- BEQ Track_Enemy_Check_Begin_L2% j" b$ G: j" C6 U7 D
- Z( ~+ {6 l6 d
- Track_Enemy_Check_Begin_L1:* e( m& _: m* j) i& ]
-
7 e( l# G8 V* l6 f+ n x - JSR Track_Enemy5 W) u: W7 P' E1 A5 s* B9 t
: a G0 G; t+ T1 ~7 T" d- Track_Enemy_Check_Begin_L2:
4 J; [( T' ^8 Q5 E! ^% W -
* k9 i, ^+ \% U5 w7 k2 T3 [ - LDX Enemy_Index3 r1 u1 \5 ]' f7 P
- Track_Enemy_Check_Continue:
# X* O& g2 m8 o) ^' [ - DEX k/ ~' l+ `* v# B+ P. b
- BPL Track_Enemy_Check_Begin
+ R( F: Z% S5 m4 w3 |8 k - Track_Enemy_Check_End:
# q$ u( g. N) V. @; | - RTS
& z$ L. x" O' _+ S3 O* C - 5 k: P$ e0 Y4 U$ C# U1 u
0 L- w3 H! H( X* K( Y* U9 |0 u- ;查找第一个敌人9 H' B9 C l/ G/ J: G
- Find_Begin_Enemy:+ V$ x! Y' w8 C1 p% n ]8 P
- LDX #$00$ W5 D( s" e1 B7 k6 H
- Find_Begin_Enemy_Check:2 x9 K1 D! g' S3 f" U9 g
- LDA Enemy_State,X$ b% F2 w$ a i; Z" [- Q! M2 z
- BEQ Find_Begin_Enemy_Check_Continue
. U& z# C! J3 ^. d7 i - LDA Enemy_Blood,X: ^& A R+ C, a5 B- h) v! E
- BMI Find_Begin_Enemy_Check_Continue
; p* X( ], Z) p& F) z% A h0 T - BNE Find_Begin_Enemy_End
8 } o+ F: m5 d2 Y) B -
- K# L5 d, ]1 R- G! R - Find_Begin_Enemy_Check_Continue:
3 ~. d6 q# o- U, A: s: I/ M1 }: q - INX
+ W+ l5 ^7 n$ V) ?$ Z2 E6 g3 } - CPX #$10; k4 G( Q, H! a4 |" q5 g& v* F! |
- BCC Find_Begin_Enemy_Check
- v' G1 c2 F6 i5 X3 r# G - Find_Begin_Enemy_End:
8 j, o G P( T - STX Enemy_Index_Begin& q6 V" \- z. V3 @4 @" r) k. [
- RTS
1 o0 m* p3 u5 |1 T( {2 w - & N3 Q" i/ w0 Q. k/ z, h, B
- ;查找最后一个敌人
9 V3 _( J6 j: o0 ~$ Y2 v" u - Find_End_Enemy:6 P3 u6 Z& p5 _3 u$ b( }
- LDX #$0F
+ d5 z- M" Y4 j( T: X - Find_End_Enemy_Check:
, U* n/ W0 T" m$ y - LDA Enemy_State,X9 x* O9 ?# M6 O2 E! T" n
- BEQ Find_End_Enemy_Check_Continue
* G* c# x3 r4 L8 p3 N! J - LDA Enemy_Blood,X) C# k, X4 V! W% J/ r6 Q
- BMI Find_End_Enemy_Check_Continue
$ Z+ S4 U' s0 S5 x1 D - BNE Find_End_Enemy_End
Q! V6 ^7 _: ?, \ - - q$ D5 c7 J4 ]/ U _" P/ _
- Find_End_Enemy_Check_Continue:+ I0 @1 ?) ?$ T9 O+ g8 f4 }
- DEX
2 P/ C6 d6 A! d0 k7 c - BPL Find_End_Enemy_Check
, v# ~% N5 z: B x - Find_End_Enemy_End:
5 ]) T, ~5 [$ J6 O N/ ]) S - STX Enemy_Index_End& \ C) Z. n/ S n, ^/ F
- RTS1 d4 D3 e" b; ]5 Z
% t9 ?& R% w, u4 F- ;子弹追踪
* R$ L. ?4 U x3 C# `& | - Bullet_Track:
0 t0 D( D y( ?0 ]4 s+ ]" C" o6 j - LDA Enemy_Index_Begin; D8 w O. K- n; }, H8 |2 `
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin; w9 w& Z7 v# [1 l
- LDX #$00 4 X+ G; s, z0 @9 a D7 V( w0 F
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++), ` E. ]( C ^0 X
- LDA Bullet_State,X
% G5 w/ \( E, d+ L - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
. B( }0 ^3 D G& ~ - STX Loop_Index_I) X/ |, o+ K% j H: D
-
% y0 p. a% ?1 }" @. W) q5 } - JSR Bullet_Track_Enemy
+ g% U) e/ D: U - JSR Bullet_Tract_Direction! a+ ^- Q# v2 S3 n
- 3 K) i* z7 M+ b! g5 x7 t* H9 U4 @
- ;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
; Q, L! Q, v; g$ d2 l2 ?% N - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
; S: T+ ?$ G8 I - LDA nEnemyIndex
# a. d$ l$ Z9 t9 y" V - CMP Enemy_Index_End
* W: r/ ~6 J# p6 Y - BEQ Bullet_Track_Check_Continue
. N) h! h8 e$ c. s3 t, u: { - BCC Bullet_Track_Check_Continue
5 W' T$ h( [) E# a/ v2 U' `! U - LDA Enemy_Index_Begin( |& r( c$ t6 j
- STA nEnemyIndex
/ C% |8 k( ?2 E. k# ~& c - - _1 P$ O$ T( ~) P( r, x" o4 N
- Bullet_Track_Check_Continue:1 Z" T& u- a% e1 _. d) j1 h T
- LDX Loop_Index_I
, r0 i' U1 Z+ }( \% L" n3 Q( J4 w% O - Bullet_Track_Check_End:) `- d9 \# b+ \( Z' N. o. \
- INX/ B8 `9 J0 q, n4 ~+ n
- CPX #$10
" L; I' c/ @8 q - BCC Bullet_Track_Check
8 S+ x: v9 F A' h/ \ - Bullet_Track_End:9 K" _. m Y0 D- w7 }; p/ f
- RTS
) N! E5 P. I5 j" d -
. C% D3 N! [7 o* a - ;给敌人分配子弹
) _3 l5 Y( k/ P/ ~5 y - Bullet_Track_Enemy:
, n% D4 f% f2 {! D6 X. R$ N/ q - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
& h% T' r# F$ A9 } - Bullet_Track_Enemy_Check:
5 r8 t% Q8 u. m4 U: L; `+ | - STX Loop_Index_J
) Q R, r' G& W4 Q - 8 k& I7 j6 W5 ~
- ;if (0 != nEnemy[j] && -1 == nTrack[i])1 s* s( Z1 Z5 f; H5 R5 C
- LDA Enemy_State,X
$ Q W2 N& t& @- g - BEQ Bullet_Track_Enemy_Check_Continue. j1 e8 h* V" e0 v/ S
- LDA Enemy_Blood,X
3 l: b( Z7 L) @* A; o - BMI Bullet_Track_Enemy_Check_Continue! R' ?- s- ?, ~( ?
-
. w# O% g% C- o1 v3 b& k: ^; ]& R - LDX Loop_Index_I
. O3 `8 M* Y( x& _6 `& h. x - LDA Track_Enemy_Index,X3 N3 w- Q+ l: P: C! k
- CMP #$FF
) S8 ~2 k! A8 d) p! p: o& a( K. B - BEQ Bullet_Track_Enemy_Init
* |; }5 t9 ^$ u1 c2 B2 A; ?! s - " h/ B. z' ]) e2 F$ A, X" v
- Bullet_Track_Enemy_Init:, {& T v+ M, F f6 d0 r
- LDA Loop_Index_J% k6 R7 h$ j# g% |7 K
- STA Track_Enemy_Index,X ;nTrack[i] = j;
8 i- D# S- o& Q9 l' e% K - 0 I0 X8 v i( B8 \$ k) j! O( `
- STA nEnemyIndex
7 W/ p3 t: s! C( _8 V% \ r - INC nEnemyIndex ;nEnemyIndex = j + 1;
$ ]! E) o' \3 r* {; d( N w - RTS ;break;0 u9 V9 `- k/ E0 X L2 e! ~) J0 b
X* |1 g, P: a, e1 s, A- Bullet_Track_Enemy_Check_Continue:
7 M! ?* C4 T; K" o) j - LDX Loop_Index_J
~6 `5 j0 c' [8 l E4 ^" J - INX ;j++ a6 ^/ ]: I! F6 E! b9 C4 K) m
- CPX Enemy_Index_End% W8 O% Z1 \1 n0 {1 Z
- BEQ Bullet_Track_Enemy_Check ` I; \8 y X8 e, j: i& S
- BCC Bullet_Track_Enemy_Check
; {0 A9 M; F4 B1 e' N - Bullet_Track_Enemy_End:0 l% l {, i. k
- RTS1 O% @+ X1 D4 K6 [6 D- C4 D
7 n3 |7 c( y0 M2 `, K- Track_Enemy:! B8 F; s- ~; K% P( i; ^
- LDX #$0F+ T7 e6 V) m* r+ y' K; T* ^
- Track_Enemy_Begin:/ H5 s. m$ D" @5 J
- LDA Bullet_Icon,X
7 a" [/ j) m+ o" [2 G - BEQ Track_Enemy_Continue o( Z8 p% \. m6 J
- LDA Bullet_State,X
9 @* l4 M; B% {. t - CMP #$01
, }( I% e2 B$ g - BNE Track_Enemy_Continue
% ~+ s+ o9 g2 I. W# d: v% x) w - _! d7 O1 y4 e" I3 m
- JSR Track_Enemy_Process5 D% P+ @' V4 E: @2 u7 E( ^
-
$ U$ E6 P5 c9 s# o9 q; H( Z - Track_Enemy_Continue:
% l {2 M; C# q/ k, h* @ - DEX1 o/ W1 }+ d2 l' Y' D
- BPL Track_Enemy_Begin
- Z3 v; K$ R, i# e. p - RTS
* v. n9 Y5 |6 G
/ {2 f+ d0 y5 w3 S% m- ;普通关卡( S& i0 H. j2 F E, }( R* @% b
- Track_Enemy_Process:
" G3 q, e$ `$ @ - LDA Track_Enemy_Index,X& d3 ~1 S) `9 A
- CMP Enemy_Index5 G) C3 f( V7 u% ? {7 R
- BNE Track_Enemy_End
& _$ n* o" k/ @6 j - LDY Enemy_Index/ j7 z9 h) @7 b2 L$ m& y, ]8 K
- JSR Track_Enemy_Y- g& g* f3 A9 e& {- v
- LDY Enemy_Index3 e* o7 ? J& V0 N
- JSR Track_Enemy_X- W8 G* i p$ N$ ]# P$ |+ ?
- Track_Enemy_End:9 h0 {$ j( p- C) v# Y2 V
- RTS% b$ A0 ^4 Y- q4 [
- h* @$ j( s( r* w5 p
- Track_Enemy_Y:
2 R! e5 m" q* r- B& w1 \ - SEC3 m9 K) a5 w! q0 {( q
- LDA Bullet_Y_Pos,X
2 M3 C" }5 Q! K: @$ f9 I - SBC Enemy_Y_Pos,Y
* k& j7 Y/ [" N2 T q/ F& ` - BEQ Track_Enemy_Y_Equal
f0 e( Z) |- u1 w - BCS Track_Enemy_Y_Greater
O1 b9 I% o; Y/ m Z -
, S, |/ N' O5 G6 @& |( j7 l - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
) N3 u0 \- n8 G" { h - CMP #$FC" N r7 N+ q) t4 a$ e
- BCC L1_1
0 j% M2 m1 H& S- G+ d - CMP #$FE
* y" I4 g9 [% g/ ^4 a ~ - BCC L1_2
1 Q( j* \" T t9 ^ - LDA #$00" y, j, ]" t: ]+ Q1 y {, Q9 ~' w
- STA Bullet_Y_Speed,X
/ z* L8 } e; k% J: V8 }) n - RTS( D5 a$ V+ G! H' g8 l L6 {
- L1_1: 7 U9 V& W( Q% B# p5 O' X
- LDA Bullet_Type,X
5 v* n7 |/ ^2 W8 o @. k, z2 @( q - AND #$0F8 `1 c) r9 |6 ^6 d9 ]( {
- TAY
+ V; r: O* I/ a! A6 W8 M+ f" N - LDA Bullet_Speed_Data,Y& z6 r* X- b$ T
- STA Bullet_Y_Speed,X) v4 F; ~- T' {8 s g7 p1 O6 R) L
- RTS
9 W7 ]0 p' q6 _1 i - ) w4 [9 h8 i" l) n% t5 S1 x
- L1_2: ; o6 B0 E E6 H, f$ S
- STA Data_buffer
+ L9 Y' f& p# H - LDA #$00
, B: M, i3 a$ E - STA Data_buffer. k5 k9 H7 W& q& S
- LSR
( H9 K% ^2 d% y) a! x% i) ~ - STA Bullet_Y_Speed,X
. ^' _$ f. v6 u8 _% u - RTS/ x9 }( u0 t" ]/ ?! B% ]6 n# J
; B" S& u. Q, u4 f- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
8 z4 a$ e3 q. a1 W6 l4 x. x# j3 j7 n - CMP #$04/ U) K5 j3 t% D
- BCS L2_1' \1 C* D7 o4 Y7 C( G' \
- CMP #$04. C0 D- O! @* {: \2 b$ {- z. i
- BCS L2_2
( h. M& }5 D) m/ j+ o - LDA #$00- _% k: t9 v$ y8 w2 u( b M
- STA Bullet_Y_Speed,X
; w' L+ d5 f' o8 B; _ - RTS- `/ |; N7 O1 q4 r/ [9 `# a$ ^
-
- W0 [+ H& ^2 ] S6 P - L2_1:
& u$ P4 o' g4 w) n; \$ F6 ` - LDA Bullet_Type,X& L6 l2 f/ o3 x' \: z2 S
- AND #$0F0 Z8 o2 U: `1 v+ {5 \: o9 o+ \ s
- TAY" L9 V* a2 H: V$ m' Q; S
- LDA #$00
9 I9 l+ d; o9 u! P( r7 ?3 R7 K) ^" [9 i - SBC Bullet_Speed_Data,Y9 s: s, p9 q* a5 t: Y
- STA Bullet_Y_Speed,X& S$ A' ]/ Q) W+ I
- RTS' e+ J9 G* W* x) G* ~; E
-
" V3 y* H# F: c: r! i, r - L2_2:( ]0 r* \* u! F1 X$ A
- LSR4 z: q5 S. }7 Y, f! `5 u
- STA Data_buffer
' R6 [- ~/ t% f) N) R - LDA #$006 y$ g" ~( r- h* f7 [
- SBC Data_buffer d# z. Y5 p& d7 L$ X: f
- STA Bullet_Y_Speed,X
' o7 r8 p& Y V% {3 [. R - RTS1 n5 k/ Q% I4 O$ e& E6 I
- 7 L9 J- O7 R0 Y9 l" N& d, t9 h
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
0 m' z- j% `1 n2 P( o( q9 H - LDA #$006 c; k$ g5 `- a( u. `. H) \ D
- STA Bullet_Y_Speed,X
, N" y9 V5 p0 a4 _( _! O - RTS4 G1 g4 M, K0 c5 G8 e/ x$ K
-
: c5 x- |9 b2 S" D9 q3 P; \' o - Track_Enemy_X:" C W. s* ?3 h
- SEC! b$ l- N* Z9 f/ S! K) m+ |4 N
- LDA Bullet_X_Pos,X" K/ L1 h) W5 |' t' z
- SBC Enemy_X_Pos,Y
" w& C p* W8 h7 u. ? - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X. y6 w/ f* y. s0 b" u- n8 g
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
, A |5 H& u; M. U8 g: O- Q - 5 K8 }: ^1 r4 }9 y! e* t
- Track_Enemy_X_Less: ;子弹X < 敌人X
+ O1 S! U/ M% T$ W - CMP #$FC
9 f% S- g4 v) a6 h0 _ - BCC L3_1
% Q4 {$ ]8 ?6 z1 Q5 U) U, W - CMP #$FE
/ ~& z- M5 U! ], n - BCC L3_2
5 Q; `7 N- e& A8 f$ E1 ` - LDA #$00( T* o6 K6 } n: Y5 P
- STA Bullet_X_Speed,X& e, G+ D, @% q" Q: _
- RTS% Y) o4 F! c! q) o" |* r7 e* f# p
- L3_1:
) d% q1 N2 Z6 q8 ^ - LDA Bullet_Type,X { d& q- u6 x! e
- AND #$0F
& I% l2 C1 A1 h y& ~: A1 H - TAY+ p% a9 l8 n+ b* ^: T7 P* M1 D" q% e
- LDA Bullet_Speed_Data,Y
7 q7 M) ^- K+ i" \5 j6 q( K) B- c5 e - STA Bullet_X_Speed,X
* k8 l+ x, T6 O% k3 P - RTS
% E$ I+ `" X. E# p& } - L3_2: % T6 o. T: [. b Z$ D, A1 G
- STA Data_buffer0 t8 c: A! c. a* Y
- LDA #$00
( |) v {* o% q& H6 n - STA Data_buffer
S# f3 x1 X# D7 l8 ~ - LSR
& N6 j0 [& o6 ]. d! y - STA Bullet_X_Speed,X
) w2 [0 c: \" F5 F* {; Q - RTS, x3 O& x8 G' g
- / M- U1 A" X' C
- Track_Enemy_X_Greater: ;子弹X > 敌人X% ^- C4 a2 A5 y# p7 [: M$ `7 p+ _
- CMP #$04
6 o( h4 e! k8 j, x) t% _$ f+ O- t - BCS L4_1! y& t$ m8 X+ m, U
- CMP #$023 F' n/ A9 x# t+ c' \# b, c9 r
- BCS L4_2" b4 u' O) s3 Q; {) k, Z7 @
- LDA #$00 ]8 r8 B5 P( |% G* z: P
- STA Bullet_X_Speed,X
( g2 G x0 W4 c( H; ?& R - RTS
: \# B4 g" f+ q -
9 F6 c4 I! n' q' l9 Z, ` - L4_1: 0 W- v7 g: N1 [3 F! X1 N
- LDA Bullet_Type,X
" J7 M" @9 [1 S @ - AND #$0F' T n9 u, C: u7 R6 }. N# `
- TAY
( n0 X$ q1 o* T0 |7 } - LDA #$00! W- _4 g2 L. Y# L& g8 v) i( ?( k
- SBC Bullet_Speed_Data,Y8 y& ?/ `% B0 \- f" o& {
- STA Bullet_X_Speed,X( o: Y# m( v. e/ Q
- RTS4 x6 g; v, ]8 O. v& p
- L4_2: : z+ V/ I- _: @1 A. n
- LSR
, ^" O& F5 x+ f7 P f/ L% S7 @2 b# { - STA Data_buffer
3 Y6 t7 P, E/ ^" i2 N' @ - LDA #$00
T2 W+ L% t7 I( R5 [ - SBC Data_buffer
8 H5 g% w5 w1 O+ t% E5 b5 `. y6 i - STA Bullet_X_Speed,X/ r4 j; Q9 P7 s: Y6 M1 ?, `0 |4 b, Y
- RTS
+ w4 K9 J* i7 T; B -
- A) h+ j4 N1 ~/ m' _$ b9 y! R" z* ^ - Track_Enemy_X_Equal: ;子弹X == 敌人X
% C C: r; b1 l" @% S - LDA #$00
/ v5 W) K9 H0 z8 B" O/ n - STA Bullet_X_Speed,X; _7 V/ y/ r" U0 i/ O8 j
- RTS
( k/ Z5 @( U: u) g -
# p* J5 e9 o, s) X/ m - Bullet_Speed_Data:2 n# b1 t! d2 P% Z4 T; X+ U
- .DB $00,$03,$03,$02,$03,$03
+ j4 {; x- w0 W, M5 f( N2 D -
' O' B2 O# m; O8 O P - ;2, 4关 u+ w5 D' a+ \" Q2 R6 B' G
- Track_Enemy_Ex:
0 h8 H6 {* m% f3 J7 z1 F - LDX #$0F- h( B6 B2 {- J) a, n+ w+ H
- Track_Enemy_Ex_Begin:
3 }/ U% }& @ W/ q# }. M, x
. }! l- e+ } C& R# q: E3 Z- LDA Bullet_State,X
, U+ d+ J* `; f. a/ N - CMP #$01+ ]* u2 x a( q* j6 A0 n ?
- BNE Track_Enemy_Ex_Continue5 c& X: O( h" x5 m
- % [! ]* O7 i, w4 Q
- LDA Track_Enemy_Index,X; M: a% x2 f E
- CMP Enemy_Index
: ]0 ?* H% l8 _3 F. z, [ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标1 {* s2 d" n5 K
- ; o- @% F4 J) n) S2 ^6 F
- LDY Enemy_Index
* m: _/ g! J! E - JSR Track_Enemy_Ex_X
$ G! L6 U. m% X# P0 z% q - : C F/ y4 J" m. B
- Track_Enemy_Ex_Continue:! ^+ G7 L d6 V* k% c
- DEX! B- [9 h4 _0 q
- BPL Track_Enemy_Ex_Begin r, c% X1 u+ b$ V* a0 t
- Track_Enemy_Ex_End:
. h# A. U6 ^! g+ P* L - RTS" L4 |. [$ ~& H# t
-
9 A0 ^5 c4 B! f* A E* `' i9 F0 Q - Track_Enemy_Ex_X:
% J- h( d8 C; V7 O - ;LDA Bullet_Z_Pos,X
k! e: m2 f' m - ;CMP #$04+ m0 D( G2 t7 s/ \( [& n) t! m
- ;BCC Track_Enemy_Ex_X_End
: ]8 D6 `+ {7 s8 [$ ^* } - SEC; j- U: T. J. \& ]- q& @' N
- LDA Bullet_X_Pos,X2 }) S; F U$ Z7 J
- SBC Enemy_X_Pos,Y- t0 u: H; A* v) v- K
- BCS Track_Enemy_Ex_X_Greater
0 R( P4 \3 z" Z) w! G3 T - ' H+ }( ?/ Z; R$ |7 J
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
( k( c+ X: l6 R3 k4 I* u1 l - CMP #$FD i. I- ~# r4 k7 j+ d5 |
- BCS Track_Enemy_Ex_X_Less_End1 P( _. y6 H; ~/ M t
- LDA $6020,X7 U @! @; B1 P+ x' m( G
- CMP #$2A
1 @9 H4 n+ M! O9 g4 v - BEQ Track_Enemy_Ex_X_Less_L1
, f9 f6 O- K8 K - LDA Bullet_Z_Pos,X
0 C! Q% ?3 {2 {8 M7 j - LSR3 R, U6 g2 R3 [
- TAY9 T7 H8 u$ L$ g9 b% P9 `
- LDA Bullet_Speed_Data_Ex_R,Y
" u) K) w7 O0 ^7 B- ?. x - STA Bullet_X_Speed,X+ T8 Z" N# l* o% b5 t0 X5 Y
- RTS
+ i6 {- X- l: `# E& o! ^ A - Track_Enemy_Ex_X_Less_L1:4 A: ~* U1 z- U
M# p. a* t% U3 {- LDA Bullet_Z_Pos,X
8 ?" C6 v' {6 ]( [; q - LSR
0 U$ {3 u6 Y6 ^6 {& K - LSR8 T% ` N( ]9 ]0 {3 l" i& |; F
- TAY" Y# }& b; r S7 c; M0 y$ P
- LDA Bullet_Speed_Data_Ex,Y% M- R) c4 V: U% I; R* a
- STA Bullet_X_Speed,X
5 g( L4 M0 z. E$ { - RTS
. P; G" X$ u/ f3 a; E+ E5 I -
: i) J$ E" }7 F! X1 a! z6 C - Track_Enemy_Ex_X_Less_End:9 W5 [6 |1 i$ Q G/ p
- RTS
; U" [5 C0 X2 t3 C# ~0 F, I/ b, G, X
, ^% z, w! W2 F8 r1 N$ d$ i, t- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
0 q1 K/ c7 O) A3 u. G! u2 _ - CMP #$03: `" ]4 R7 z. R8 C$ }8 n
- BCC Track_Enemy_Ex_X_End7 N- ?& C/ n& G
- LDA $6020,X0 I: x4 Z! a3 [7 f: ? i" \6 y9 ~
- CMP #$2A
! P7 j+ W5 t; N: e' w- P - BEQ Track_Enemy_Ex_X_Greater_L1
8 ^- L8 ] _& z6 w$ H2 t( R - LDA Bullet_Z_Pos,X
3 F/ {3 s& d6 q4 |( \! B0 d: L - LSR( i6 i) J8 X# b5 z
- TAY
& Y' v! ^. f+ [8 j" F9 o5 T - LDA #$00
" E8 s/ ~- s5 N2 u5 O - SEC
$ i" l9 Q# ]+ B9 i2 ?$ |% q - SBC Bullet_Speed_Data_Ex_R,Y
+ X0 ~1 P H* s - STA Bullet_X_Speed,X4 s6 d" q) W* S+ y+ Y% r G
- RTS$ L3 x, V' v" N# i7 X( Z! y" K5 J
-
! L# o/ [: W# j' _* @& p - Track_Enemy_Ex_X_Greater_L1( q0 c" E5 c# Y$ i K
- LDA Bullet_Z_Pos,X9 [, X+ ]& ^3 R1 a8 ~/ m, }
- LSR9 @) f; V! c- J. M
- LSR
* S2 E2 f6 l( l0 I% n - TAY
5 t( |" q g* s" V- c - LDA #$00) `/ v& b# A; @; |, l3 D
- SEC x q3 h# E5 w/ R0 ^+ c: l+ r
- SBC Bullet_Speed_Data_Ex,Y
! |- N" i4 @' l8 }- b- J! o/ C7 T - STA Bullet_X_Speed,X1 C' u& P" b6 R. \6 a" @% j# R
- RTS
8 P* U: ?0 x# l1 s8 M/ n' n - ( N, D! n6 e) C
- Track_Enemy_Ex_X_End:+ e0 S. M' n6 @7 U- w8 P
- RTS; W9 m; `: q; n$ N' x2 y( K% z! N) p
-
, A6 \" _" F' o9 L) j+ f: M - ;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); U9 M5 P, _+ k) q" v! K
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
7 h$ q5 L) D0 L- k0 T) n - Bullet_Tract_Direction:9 V4 C; f; f& X* Z# N# N, r
- LDA Bullet_Icon,X
# t# k' _$ S/ A+ |# x - CMP #$238 J; X7 a/ _& Y5 z; ~, @4 [: l
- BCC Bullet_Tract_Direction_End
: J ^2 @0 A: }, Q - 4 v. o0 C, m" I: L
- ; X != 0 a; Z8 @: y9 f7 I) c
- LDA Bullet_X_Speed,X( M8 N6 F/ ^3 U+ B7 L7 Y
- BEQ Bullet_Direction_V
% @6 L `7 X2 U+ R5 N( p9 K; h9 u8 C$ c -
5 m$ L" h) E& ]0 t6 Y+ v: o9 D - LDA Bullet_Y_Speed,X
! z3 I9 O8 |( x0 a6 ~# n - BEQ Bullet_Direction_H
Y6 [& U5 f$ m4 L5 k( } -
2 B" P/ t. Q$ _% j3 c u - LDA Bullet_X_Speed,X
! x7 ?9 c* |4 c, w! F+ K5 { - BPL Bullet_Tract_Direction_Right3 |( s0 ?9 M) ^5 h5 [; W5 j' v
- Bullet_Tract_Direction_Left:
* h* ?7 N4 @8 t* G) ~( \ - LDA Bullet_Y_Speed,X
& O( ~2 s) h2 ]; e6 S% S - BMI Bullet_Direction_Left_Top1 O7 v1 x. i4 _1 Y G
- BPL Bullet_Direction_Left_Down
# f' E4 f+ \+ v7 m$ F - Bullet_Tract_Direction_Right: [5 Z/ N* S" Y9 r2 M3 \* c% }
- LDA Bullet_Y_Speed,X
( m& m% q" ]0 O% ~2 `( I - BMI Bullet_Direction_Right_Top
: u2 T/ Y( ]' [" \' z/ ? - BPL Bullet_Direction_Right_Down
1 }9 J7 D% c" U+ L8 V5 b - Bullet_Tract_Direction_End:' z& e) Y* w3 f9 f9 g b
- RTS* M, f1 j. M7 {) d3 P' l# z
- 0 S4 c3 Q- s. I5 Q, O% c6 \
- Bullet_Direction_Left_Top:
( t/ S5 m$ _9 F! q% ^" h0 E3 S2 ^2 p - LDA #$255 \) q5 _- ~# x9 k, h
- STA Bullet_Icon,X
: W- F3 c; Z: L - LDA #$C0
. |% I3 d5 `4 u1 X% E - STA Bullet_Direction,X0 V) Y" ~* j* g! u
- RTS
, M" P5 ~# C; k* H2 l" E
0 r" f8 a \! q: {2 G- Bullet_Direction_Left_Down:
& D8 }, v6 \' ~- ?9 l8 a6 } - LDA #$25- k( _9 K7 J6 k( t) D- o+ h
- STA Bullet_Icon,X
' j" Q2 S! P) x T6 L5 \ - LDA #$40
) r- B7 }: S5 ~1 A$ Z - STA Bullet_Direction,X) y9 }( j7 q/ t* i0 I
- RTS
) @/ N! Z* l. W6 i5 {; o
+ ?) [2 |) u$ Z% }7 U9 t5 \" Z- Bullet_Direction_Right_Top:2 V# Q; p, q' S- Y1 M9 y+ X
- LDA #$25
0 ~/ o# [+ i3 K' T$ e- x3 b - STA Bullet_Icon,X% N2 Q/ K( L8 y$ f( c% x. `' c
- LDA #$807 `# R: a0 ~ t& N$ i
- STA Bullet_Direction,X
7 m, ]+ s5 @7 V - RTS+ s: y8 V8 e+ T" q+ B- E' @2 [9 w4 U! r- R
- " v, g5 s0 _7 T: W% x
- Bullet_Direction_Right_Down:
( D1 A7 Z& L6 q' } - LDA #$25
! @6 F2 }5 K$ e ]4 f& V, |- ` - STA Bullet_Icon,X
/ f# d' `) B5 O+ O3 V - LDA #$008 Y$ X' V- L/ p2 W
- STA Bullet_Direction,X5 i% H/ H7 f* N* \% q
- RTS+ K3 A$ e& w k1 j3 Y
- : u/ C2 o, @7 `& K5 D* i9 Z* [3 w
- Bullet_Direction_H:
( o0 X; \0 ~4 g: X4 s9 G - LDA #$24
l- @" `; D, U5 e9 \, e, n - STA Bullet_Icon,X
( `9 E: g( Z! Z - LDA #$00
3 X2 S& n- {6 M% S& p* ? - STA Bullet_Direction,X0 _* O9 I4 z( D- ?
- RTS
, M& s; C, K0 H
7 y% M2 [; c$ b% T/ ^- Bullet_Direction_V:4 e/ s! l- x$ W- }
- LDA #$23* |2 C7 k6 H9 v
- STA Bullet_Icon,X
! \( n. S3 D" P1 i2 y( ^4 O, D - LDA #$00* Q4 N5 ~ \( ^2 ~* b- ]5 ^
- STA Bullet_Direction,X
, y* C2 Z- `6 C. y# K+ c - RTS
3 p H5 }( f g% A
8 G) C3 ?8 E2 ?, C- Bullet_Speed_Data_Ex:+ j N5 i( F. N! [
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$048 ~/ V, t( V7 }/ O7 p+ b
- + d7 D1 ~: d4 ]$ C- J% m& u7 |
- Bullet_Speed_Data_Ex_R:4 R) `+ A3 w; f& p# U( P
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08. w2 m) g: v- x; N3 Q
-
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