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[FC][魂斗罗][J][追踪弹]
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4 m% V, C+ h [' y' V' s1 \时间:2023.04.30
8 d- [# I( V6 `0 ~% S作者:FlameCyclone6 T+ o% w1 `: f
内容:- ?. ]( T! m' V3 `& ^% b8 g! ~5 A
1. 所有子弹追踪敌人- X+ x, m5 x+ @6 c- y
2. 选择键切换武器. h Z/ J. S$ B ?5 _. s* ]
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: r" B% ~. M! z
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flamecyclone.ys168.com
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4 S; Q- h6 V5 x! b5 V1 o- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. B G; D: `$ H/ [5 b& u - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L3 s. ]4 A! C1 O z; A. ^) _' ~
- 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)
1 ]: U. H+ g X/ h, A - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上( k7 \$ s! a' @1 d) D7 Y& K( {- |
, `/ r8 x- f |8 B! Q; |3 |- Track_Enemy_Index = $6000, O+ ~ ]3 f1 v1 o. q/ a
- Enemy_Index_Begin = $6010
* @) N, |$ ?5 a% M0 Q - Enemy_Index_End = $6011
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: C) ]/ G! H+ H$ }' A& m: g8 c- Loop_Index_I = $6012* |# E; {4 Y: E/ j! _6 t" `
- Loop_Index_J = $60138 l/ j# R" q8 R$ j3 C
- nEnemyIndex = $6014
0 K( U5 \9 c9 b v8 C! @: R - Data_buffer = $6015" L M* n' o' T
- - _# U/ B2 n; | ?3 I. g( d# G5 v
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标3 L5 J! _8 q; j& Q; V: }8 B
- Bullet_X_Pos = $03C8 ;子弹水平坐标2 e% ]9 b! x( w' ~& V
- Bullet_Y_Speed = $03F8 ;子弹垂直速度! ?+ x, C1 u, w' {" b% ~" q
- Bullet_X_Speed = $0408 ;子弹水平速度" r: v7 Y/ `, D; a
- Bullet_Z_Pos = $0418 ;子弹Z坐标5 O# R* }% |7 ?# q4 \
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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5 S' k ]/ K) [) O \: P- 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# I( C/ a0 g0 M5 O: Q) n
- Enemy_Blood = $0598 ;敌人血量# V: p4 s& i& `) r1 v
- Enemy_Type_Addr = $0528 ;敌人类型
% X& i9 A9 G2 F( z; L7 f - Enemy_Blood_Addr = $0578 ;敌人血量, W- m0 Q* r' U
- Enemy_Y_Pos = $0324 ;敌人垂直坐标) }9 r. }: s! [* C) y& w: N7 r
- Enemy_X_Pos = $033E ;敌人水平坐标, E- V9 P$ \9 C0 k( c: E
- Enemy_Y_Speed = $04E8 ;敌人垂直速度3 Q0 A# x4 R# L" w
- 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 ;/ z2 K7 L/ e P% ^+ A. S: c
- Time_Count = $1A
7 Q7 D" X# d" T4 g, g2 s - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率$ R) v/ q7 |2 j
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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! G1 D$ H0 P: Y" m d5 q) l2 B; B- .ORG $6100% w# a$ m3 z! m2 j/ M' S+ T. A
- Process_Begin:( o- z& R8 y8 e; ]. q# i3 I6 e' n
- JSR Enemy_Check
# x4 |9 T2 n% s# d - JSR Track_Enemy_Check, e* \7 p% h" j" f( a
- Process_End:4 d t8 D& v/ J( w5 |
- JMP $E54F
$ F# H7 [5 j) u4 N; I0 p; o - " f; j; ^% L! o! D' r
- Enemy_Check:6 ^5 _/ f8 r' d; ^
- LDA Time_Count$ b6 {9 T( t4 K( N. {( C1 O5 }
- AND #Track_Bullet_Speed
( ?1 H: ]. O$ ]0 w* R4 }; b - CMP #Track_Bullet_Speed2 K+ t0 ^( b5 v8 ?0 s
- BNE Enemy_Check_End
; m& Q7 T9 R; @% W - LDX #$0F
$ m/ L( Y8 T0 s- m( l - Enemy_Check_Begin:
1 D" K5 O$ d. Y( T - LDA Enemy_State,X
2 {1 l5 g1 L& X! A6 d - BEQ Enemy_Check_Continue
& f1 b) t4 d% W - STX Enemy_Index, E+ D' |, a, h: C$ e
- JSR Find_Begin_Enemy* U, G% q$ q5 | q# H- \& x
- JSR Find_End_Enemy
. M/ B# }% X* Q% x% z6 K# n* I; n - JSR Bullet_Track
& c5 G$ v/ J& O7 X - , P; z! d( X, e. J
- LDX Enemy_Index: D* T/ b x" x8 W+ X) r7 y1 y
- Enemy_Check_Continue:
) @8 K4 Z% N7 E/ A; I - DEX
" [/ a) @" O/ U( Z - BPL Enemy_Check_Begin1 k! j" q( G. i# S1 o4 g9 |
- Enemy_Check_End:
' R1 P/ T; X' ]5 s' d2 Q - RTS
# F: p2 G7 q" V" c2 t# v -
3 I5 a0 C& {4 U: k. D - Track_Enemy_Check:
2 z* @0 r9 n1 { - LDA Time_Count$ ]$ m5 R% J7 M/ L4 o$ Q/ g
- AND #Track_Enemy_Speed
5 D6 O; d; T1 u: c# x" c8 s5 k - CMP #Track_Enemy_Speed
5 c/ d- o: [2 L* o6 Y - BNE Track_Enemy_Check_End) W" X, P5 J$ E. ^
- LDX #$0F
7 |" f% R: k2 A% w1 V1 ]4 M2 ] - Track_Enemy_Check_Begin:0 w, j; Q9 e) g
- LDA Enemy_State,X
! y, A% ]6 Q- Z% I" } - BEQ Track_Enemy_Check_Continue3 l5 B {: T. k; V/ ?
- STX Enemy_Index
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- LDA $40 ], L- F, W& D! P, P
- LSR+ z: h6 r7 O! T' Z
- BCC Track_Enemy_Check_Begin_L19 e1 L: p- n2 I( {% J# ~
- 1 A; s. }' `/ j. ?$ s! X, I6 [# m+ N
- JSR Track_Enemy_Ex ;2, 4
* C& E& I. H$ r6 M1 U8 r1 u+ W' k - LDA #$006 C2 C. |7 K# {% @" h$ h
- BEQ Track_Enemy_Check_Begin_L29 x1 K5 k- J5 _; Z
-
( ~/ ]# E- S# M - Track_Enemy_Check_Begin_L1:
6 k, |% P" K* a7 y7 F - $ H& C! a* X( B# v- c
- JSR Track_Enemy
2 n. O! f, D. J! }7 D( i8 d
4 u) f) t6 D' |5 q5 ~! q; u- Track_Enemy_Check_Begin_L2:( l' l3 u0 f& H9 t
-
& e8 Z! d- o6 c - LDX Enemy_Index, x. l( l' @% q2 H; S" Z8 } m8 G
- Track_Enemy_Check_Continue:
2 b! }; ~7 D6 l. b - DEX* {( m! |! F K, N+ M+ h# |
- BPL Track_Enemy_Check_Begin, X1 j0 n- w9 i9 [* K" B
- Track_Enemy_Check_End:% _+ K* O% k8 r( ?7 R
- RTS
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- : t9 |: P$ p9 I
- ;查找第一个敌人9 {# m% g% r6 Q) J
- Find_Begin_Enemy:* X4 V; T2 \) I/ K9 l! A& u
- LDX #$00
% z2 `) f% _/ s3 S& c0 B# U - Find_Begin_Enemy_Check:
+ r: z- @! R0 x* W - LDA Enemy_State,X
& l" M/ L- w* a8 D, x1 `8 a0 m p0 o8 X, e - BEQ Find_Begin_Enemy_Check_Continue
9 E1 w" t5 E1 W7 S/ x. u - LDA Enemy_Blood,X0 ?# V7 x. D+ S4 U
- BMI Find_Begin_Enemy_Check_Continue
* T: x3 V1 l8 n' i. ^4 g' V - BNE Find_Begin_Enemy_End
1 n# m' G) O( O/ e. F8 q* P - ; r8 F* y- j/ T- [& E/ d
- Find_Begin_Enemy_Check_Continue:
0 ^3 O+ E& H# `# { R - INX8 F0 Z0 E8 @$ i! {! t Q" R* m
- CPX #$10
& ~2 w1 H v8 u. m( e - BCC Find_Begin_Enemy_Check, ]" i, w" w6 V* ?0 b$ N
- Find_Begin_Enemy_End:
/ {. g" Y3 y2 l4 M0 [ - STX Enemy_Index_Begin
6 @1 a8 Z+ T% \5 P$ ?/ j. X& w - RTS
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D/ |" l- z5 o6 _, D- S' U# x! S- ;查找最后一个敌人. A4 S, F; c/ K# q
- Find_End_Enemy:
# c, {. N1 a5 O; b! _ - LDX #$0F
3 X% m; N2 s2 i$ l; r - Find_End_Enemy_Check:
i2 M( G! `/ V( e$ O% N - LDA Enemy_State,X" u0 g4 A( L- N5 {; E
- BEQ Find_End_Enemy_Check_Continue2 f; V8 m5 ^$ z8 k; ` B% U
- LDA Enemy_Blood,X5 D6 o2 }9 k" y$ t$ r* s% z) v
- BMI Find_End_Enemy_Check_Continue: o; Q. M' o- k0 S. f3 O
- BNE Find_End_Enemy_End
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! D4 f- K$ i/ P; E. C2 z - Find_End_Enemy_Check_Continue:
1 D7 H% S1 C0 ~/ Q3 K - DEX
: V1 w% i0 w5 B, N - BPL Find_End_Enemy_Check
. ~ G3 C2 E/ b* a# P/ T, ]/ ?; C - Find_End_Enemy_End:
% R0 Y4 m4 S# n1 f: t& k+ {. f, z - STX Enemy_Index_End; I5 K3 z9 N f3 [ X
- RTS, |3 b. T8 P# J5 A7 v3 ~2 Y P
- : x4 T- G* k" M0 R: M
- ;子弹追踪
7 q9 I$ q/ E' X1 ? - Bullet_Track:
3 V8 ^, t3 s: W8 J2 R# C% a7 J - LDA Enemy_Index_Begin
* C* E0 b j3 q5 l) R. Q- N - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
) D7 k& W# ~$ |8 F h+ r6 Z - LDX #$00 T) D" E" q2 Y' \: s) i8 _$ [$ Z
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)$ `7 q2 ^* U- F
- LDA Bullet_State,X
6 ]) Y+ J; _7 u7 P8 T - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
- K' Q; H) q0 w! I4 W4 Y. ^ - STX Loop_Index_I, v/ t H% a# Y4 P4 w4 H- J
- # [. K9 c) M7 Z; K
- JSR Bullet_Track_Enemy
# j. E# r5 N* g - JSR Bullet_Tract_Direction
0 x; @% F( ~* Y -
9 S) x( h/ }! q, U* s - ;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
+ ^8 Q, H# N' D2 I+ i - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;# D3 [. V) r& e) \: q5 W
- LDA nEnemyIndex3 `1 F ^, O; a' D
- CMP Enemy_Index_End
2 M c( Z1 G* r7 Z1 R3 s - BEQ Bullet_Track_Check_Continue
5 j8 ^0 P& C7 I$ r5 M9 ] - BCC Bullet_Track_Check_Continue0 [ ]4 Y0 V4 L& q0 O' a
- LDA Enemy_Index_Begin+ w3 v1 n! ~+ Y5 O/ X; W8 D
- STA nEnemyIndex
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- Bullet_Track_Check_Continue:
_( w3 [4 t1 ^* @6 k4 _ - LDX Loop_Index_I
! F) u" m5 G, Y" @0 e { - Bullet_Track_Check_End:$ s: s2 a [; S3 j* y( v
- INX
" e, w3 a' n/ D4 c1 S y. c - CPX #$105 h+ M2 n! L+ C
- BCC Bullet_Track_Check+ W1 P o q- S. L
- Bullet_Track_End:9 [2 B" V5 s: Y7 M
- RTS4 m+ K4 j5 p4 k1 U
- 1 p7 u! H6 ~& \, b2 c' _" Z! }, ]9 O
- ;给敌人分配子弹
1 I7 x1 I% E- w6 H u7 g) K* y - Bullet_Track_Enemy:
$ Y( ]% h" ?. v: E - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)) k+ a/ ~" {) T9 Q E
- Bullet_Track_Enemy_Check:
$ G9 V) A9 P9 G: g/ o - STX Loop_Index_J- g) y, L, M$ ^
- ! x( t% ?; `6 L8 n) m
- ;if (0 != nEnemy[j] && -1 == nTrack[i])6 B+ M5 E' } h
- LDA Enemy_State,X" g n. d5 V- R) W8 b9 k0 S* x
- BEQ Bullet_Track_Enemy_Check_Continue
/ F# p4 A0 m3 }, P! _$ | - LDA Enemy_Blood,X3 n5 p: N6 J8 c6 X! u9 l! t1 v
- BMI Bullet_Track_Enemy_Check_Continue+ Z4 W; s; c0 k$ ^' }/ J b2 }9 _
- 8 |6 a8 T+ A: i# j8 t1 d
- LDX Loop_Index_I
( Y. W- D1 y& i/ @# L/ Z' D+ f2 c - LDA Track_Enemy_Index,X7 M' J8 B6 E2 E
- CMP #$FF
5 c- ^' q5 [# n( `4 E5 l - BEQ Bullet_Track_Enemy_Init
* z7 }& y0 d( R, b -
; l4 R" r& O" B$ g; F6 e1 J - Bullet_Track_Enemy_Init:6 Q+ Z `( n" e/ @4 c6 m+ N# ^3 F
- LDA Loop_Index_J" l+ P; C3 W# I: ^; X3 z
- STA Track_Enemy_Index,X ;nTrack[i] = j;
4 f y! N5 Y* u/ _5 K - 5 q& q+ I2 @* X4 k) k( b
- STA nEnemyIndex1 w( K4 n( g3 d4 ~/ ?5 `
- INC nEnemyIndex ;nEnemyIndex = j + 1;
7 X h K- ]! O - RTS ;break;4 L; T2 y: s$ b2 B3 [+ k
- / W, _/ h/ c$ Y3 @5 |% d
- Bullet_Track_Enemy_Check_Continue:
" L; @& w" k7 `7 I - LDX Loop_Index_J
" l$ f$ p: H* q6 h+ h8 v. ] - INX ;j++
* Y' P& P$ y/ K4 n1 s - CPX Enemy_Index_End$ v/ b: S. P: I' C) A
- BEQ Bullet_Track_Enemy_Check, M3 I3 l3 \5 M0 a
- BCC Bullet_Track_Enemy_Check
5 F0 w, C; p/ K$ ], D: Q3 G - Bullet_Track_Enemy_End:
+ C3 @0 @- b! B0 u. w/ b4 C: ~/ \ - RTS
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- Track_Enemy:! }8 ]2 e+ p" k2 L" q' V; _& X
- LDX #$0F
8 j) b$ G6 a: M; z+ Y - Track_Enemy_Begin:! n. s7 t, G$ ^
- LDA Bullet_Icon,X
: n0 B- P* i" _9 I }. E* H - BEQ Track_Enemy_Continue
; L$ S, Y" ~5 R7 M- R - LDA Bullet_State,X
) q$ q- ]# O s4 m - CMP #$01
1 i, [/ ^2 i) M& N - BNE Track_Enemy_Continue
) G. Z! ? ?9 d4 h) t9 C7 r& a - H& r; l C p! L! s
- JSR Track_Enemy_Process' V1 q$ y- f" j
-
d& b9 F9 ]& X$ ~( o. d- a - Track_Enemy_Continue:2 \" | y- h; Q% Y/ p0 P+ o) Z) i
- DEX
5 K7 L5 i5 ?! T, _: C/ I6 K - BPL Track_Enemy_Begin
, g" v; z* l7 J7 L) V+ { - RTS
5 a, F( [1 }" O, D% d& |
. @) L+ D/ t) D2 L E- ;普通关卡9 e! G0 z3 l- P* n1 d3 L: W) o- P9 w
- Track_Enemy_Process:
" N, U& i# e" {( e1 |% n! C; v - LDA Track_Enemy_Index,X5 z0 h; @/ c8 h+ h4 E- V& \
- CMP Enemy_Index
+ h+ o+ o9 N# L% Y - BNE Track_Enemy_End; r3 W+ d; s! d D" n2 v
- LDY Enemy_Index! P: Z3 P. }# I+ D1 E$ C
- JSR Track_Enemy_Y4 ]! V# D" z: P2 Q* q# M
- LDY Enemy_Index
, Q1 f" x& R& ?8 P% K" ^ - JSR Track_Enemy_X
2 Y S( V+ r: _4 D7 \1 g - Track_Enemy_End:
8 p$ A6 ?* E% i J - RTS
, A$ {! q, |# k# b8 y; i - 9 s/ ~% I, b W& t4 M) e
- Track_Enemy_Y:, v' m# v( T; c2 K7 M/ L
- SEC% S; B6 R( u1 G" \) o0 A
- LDA Bullet_Y_Pos,X- G) L, I9 L0 I- k( t# u: ^4 H8 Y* x
- SBC Enemy_Y_Pos,Y
" K# Y+ H% O' P4 @3 x - BEQ Track_Enemy_Y_Equal
1 r' i4 z# t9 S/ g1 I6 ? - BCS Track_Enemy_Y_Greater$ V0 }1 N- |5 R Z% ~# F
- : f1 r. a1 s) |* F
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y/ W- D8 {( J/ w& |$ M l
- CMP #$FC* _- r2 ~0 c! ?, [) ^
- BCC L1_12 H$ a2 a0 q$ u
- CMP #$FE3 M5 f6 t+ c9 I$ Q
- BCC L1_22 ~# g$ Z' |( E3 S& |+ `$ B0 `
- LDA #$00 R9 b* G, k [$ Q
- STA Bullet_Y_Speed,X
. _5 |' C. b- _ - RTS
1 r6 k: r" ?1 D- O, |! z - L1_1:
9 R4 f) {* u- | - LDA Bullet_Type,X
' O1 H# k% ?& l3 j0 l! u - AND #$0F0 s; d1 }1 F6 j3 [/ h
- TAY1 l g1 |" x% D' b
- LDA Bullet_Speed_Data,Y
* z0 z! z% {4 [ - STA Bullet_Y_Speed,X
2 d% K/ `- \' k+ V6 M - RTS2 J; m" w" I) s8 m
- 7 M+ ]9 R3 g* X4 g" D5 y( D
- L1_2: 7 e# y m4 e8 H- }
- STA Data_buffer
: L* a9 I9 M: k7 O2 R - LDA #$007 H6 e, ^4 x* p7 \/ `
- STA Data_buffer8 g* \& S$ P0 j* k
- LSR* J$ t. d9 v- u
- STA Bullet_Y_Speed,X! ~" f+ W* ~6 c2 h9 M4 g5 V5 T; ^
- RTS, Y6 f. O1 }# p, ?1 X3 n
3 m% J- V, k' q/ E' U- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
0 a. Z: e4 S0 k" h' j o6 h - CMP #$04; p2 [7 W' i( R* j& l7 a: G
- BCS L2_1
( A7 |- G N5 ^ - CMP #$04
9 _1 Q9 H' W7 \4 E3 t: p - BCS L2_2/ v' g7 `* p$ Q) d. e2 g9 k# L
- LDA #$00
% j" P$ h# p- B0 B* } - STA Bullet_Y_Speed,X
3 g) R8 m# J( I4 P - RTS- m( e j6 K6 I! y4 K
- , k8 _6 F2 D4 J* K3 w0 Y
- L2_1:
) w1 @- S8 q7 h% r' n% ]2 Y5 l5 e - LDA Bullet_Type,X, s+ v2 D" x4 z* c. n
- AND #$0F
: r/ n; v1 d1 T0 W& @0 h8 N$ N - TAY* ?5 d" [* W' `3 } A
- LDA #$000 n4 B, F$ ~6 V& V7 |
- SBC Bullet_Speed_Data,Y1 n- x( Y" o5 J2 i5 B% R
- STA Bullet_Y_Speed,X
( [2 e2 c& u+ ?7 J - RTS$ j: o; ]4 T" G7 X
-
# e% E) X/ t) f- p. d e0 z k, s - L2_2:
" K* g/ v, ^% y1 } - LSR
2 h9 }) Q5 h2 h - STA Data_buffer
/ ]( {% J1 A: P; r' [ - LDA #$00/ G& X+ n( N& V: D2 t T
- SBC Data_buffer9 Q4 h) q# m7 ^7 |- Q) _; k I
- STA Bullet_Y_Speed,X( H0 m9 x8 D) u8 a F$ z
- RTS( d- o. X$ n8 o! ]
- 0 T s" }) F8 N# y: S, J
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
0 ]6 B7 d8 B1 d - LDA #$00
" z$ d& Z [% o6 [. f: ?1 x F - STA Bullet_Y_Speed,X3 U* ~. L8 _3 g2 m. I+ d
- RTS
3 N9 k+ H! U2 K - * |5 }* K: @7 x% @" `
- Track_Enemy_X:$ K9 F9 K; \! m2 R" ]" b1 Q5 l6 A
- SEC: l; s9 ^; p/ o4 F5 ^/ ?
- LDA Bullet_X_Pos,X
6 ]1 E x+ M. T2 y& R - SBC Enemy_X_Pos,Y! u# Y& @. l6 c; Z
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X9 W7 _# n. U- f4 _; j/ Y! @
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
+ _2 l! h; j: a9 u2 A: b; V - 2 Q6 ?* A% M0 @8 S
- Track_Enemy_X_Less: ;子弹X < 敌人X
" h- N) H8 X: r, \0 o - CMP #$FC6 l" F) q* B M
- BCC L3_1
3 _% n; P! Y1 r; \0 f8 C! n - CMP #$FE
$ J& ? u6 \, F- C - BCC L3_2
5 {+ j6 _2 { o2 r, E. z0 |% I9 x - LDA #$00
5 i; B; c7 l6 g+ ] - STA Bullet_X_Speed,X
4 ?+ c, i; p( t9 { - RTS/ a9 W6 v0 }1 j/ L( O2 i
- L3_1: 8 P0 [( s1 }: C
- LDA Bullet_Type,X f4 _ |! F$ I& K: y2 z9 h
- AND #$0F9 h" ?0 T! G5 P
- TAY' u! ]- N/ ~- E/ L
- LDA Bullet_Speed_Data,Y
$ t/ e/ b6 E& W' k: y* B - STA Bullet_X_Speed,X
6 V2 t+ ~* U$ [ - RTS
2 G* }- I' R' M - L3_2:
$ {. C* f& ?+ k" ?* T) }- H - STA Data_buffer" @( z, l+ l( B! [. N
- LDA #$008 ?7 D, e* p8 s
- STA Data_buffer6 O! R: _% m# `* W: U
- LSR
: u2 J# r- N+ ^ S5 v% V - STA Bullet_X_Speed,X
; I2 J- \$ s! ]! ]1 z - RTS
7 D8 s' w4 H& K. h -
2 g4 g* K* p+ a - Track_Enemy_X_Greater: ;子弹X > 敌人X
0 ?& B6 E: u8 l - CMP #$043 y, D& z8 d/ l) P" [
- BCS L4_1
: U* m0 C* l2 L& {" i - CMP #$022 Y4 d/ j: }& U
- BCS L4_2' ?* V! V& R& {1 X; ]
- LDA #$00
! d% K& U* s1 _& m0 _1 w2 S - STA Bullet_X_Speed,X/ v$ F2 a9 o2 s8 ~$ O, G
- RTS7 D; X7 I! F; j+ [5 w8 }
- & f3 P. S7 z4 i2 z) \
- L4_1: + R% u) U- j) N; e3 a
- LDA Bullet_Type,X
/ s4 l% d8 D1 \0 \ - AND #$0F
) p4 ^$ g; J( \0 B3 X% h l - TAY N: V3 n& A- s$ l
- LDA #$002 N$ G% C9 R; g4 ^" d
- SBC Bullet_Speed_Data,Y
0 k) o& |# h( V% T - STA Bullet_X_Speed,X4 c: V- s7 S9 B; c& T
- RTS
5 J9 z. L8 e+ u' z8 ~* A2 k, x - L4_2: d1 E4 A Z! _: Q- L
- LSR
1 v8 b! h$ f* h, o - STA Data_buffer
% a1 Y+ D W+ F! |- ?* i9 V - LDA #$001 D3 C; z |( ?+ f7 q
- SBC Data_buffer
4 Y& n# t8 g7 v. C. e4 y' J8 x - STA Bullet_X_Speed,X
5 ?* [$ c3 `8 E$ X o& d - RTS+ T' T9 _6 V0 i, v* w/ @1 N
- 5 ?* ~3 D' i' w6 a1 q
- Track_Enemy_X_Equal: ;子弹X == 敌人X$ ?3 }; ]- a `; Y* ]( o
- LDA #$00
' |# Z$ S1 E6 r6 C6 g - STA Bullet_X_Speed,X# A! }3 a, Q3 N7 j$ ] P7 `
- RTS
6 N1 M H3 \1 y, e- O -
, l x, E+ l5 O' a4 M. u - Bullet_Speed_Data:
& Q4 D6 \# x: `2 P% i+ |8 w - .DB $00,$03,$03,$02,$03,$03
2 K% X& T2 w* g" R - 8 z# q0 @2 ~% @- u6 N, }7 f
- ;2, 4关
, E$ e% D! T! n/ g& w - Track_Enemy_Ex:
7 D) c8 n; x/ ~' S; j7 C1 |2 C - LDX #$0F' S3 x1 a( P" I) r2 w/ I M0 \, ~
- Track_Enemy_Ex_Begin:
: c p0 B0 F }$ b% c
* D7 Z5 d! z' s- LDA Bullet_State,X
4 r9 I3 O8 U( K6 T- y2 B ~ - CMP #$01& J4 X$ ^# M! L9 Q# k, l
- BNE Track_Enemy_Ex_Continue1 U! s) \/ W# X; F: N2 j
-
- S! w" p/ C0 I8 C, s! I) X - LDA Track_Enemy_Index,X
& L7 o$ y. Y5 g6 _+ r - CMP Enemy_Index
' B0 D L; W2 R/ ^# d7 ~) } - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
I% [" t& c j2 ]& L, m( s - ) L4 K, ^* U5 O; J8 d
- LDY Enemy_Index1 o& _* j5 J' [
- JSR Track_Enemy_Ex_X
- A) N0 w7 @ n# n - }5 y$ _1 [2 X2 y: I
- Track_Enemy_Ex_Continue:
* [9 f: I! [/ \% i U L - DEX
& } w) K/ A) w - BPL Track_Enemy_Ex_Begin& O( I# z9 f8 Y& x- C7 E9 W
- Track_Enemy_Ex_End:' _! i8 e! S+ n6 G
- RTS4 i! E2 h" i* D9 e" i6 E
-
2 y9 v. F2 [) T - Track_Enemy_Ex_X:
% s: M7 I$ f9 E6 ?& t; C& u6 D8 T - ;LDA Bullet_Z_Pos,X
6 s- g E( D$ q% X- z \ - ;CMP #$04( {; p2 a7 O4 o
- ;BCC Track_Enemy_Ex_X_End) ?# ]8 c1 t" \/ L, t
- SEC
: @$ ^0 n# S/ S. n& G - LDA Bullet_X_Pos,X
8 n9 j/ _& \+ ]# O1 I N' @9 h - SBC Enemy_X_Pos,Y4 ]" ?: l% k8 c3 u' d7 Q
- BCS Track_Enemy_Ex_X_Greater% P% Y1 r/ }$ D6 H& }0 p
- \) c# u/ |5 t1 o# g% R* h
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
; Z7 a5 {. `0 }5 K - CMP #$FD9 e9 F5 {) e! _% F! L; `! H
- BCS Track_Enemy_Ex_X_Less_End5 ~6 d0 X: Z$ O: n, p- R8 H
- LDA $6020,X7 E( Z" J5 R: ]: t5 x% v3 B0 {# X
- CMP #$2A
O/ c) s& F+ j, |1 W' H8 | - BEQ Track_Enemy_Ex_X_Less_L15 R# T; `3 S$ \+ A1 V
- LDA Bullet_Z_Pos,X
9 T( d2 z j( j! B. ]! q - LSR
L1 ?8 l2 d7 G9 B: p0 X - TAY {& Q" x5 f" q1 d6 p
- LDA Bullet_Speed_Data_Ex_R,Y3 f) ~! B2 H. Q. C
- STA Bullet_X_Speed,X
% l# F1 q( {0 t# A7 A% d - RTS1 U& w$ Y. m0 [& Y2 G
- Track_Enemy_Ex_X_Less_L1:( v4 N% m9 S5 F! v8 B
- : i; Y$ O0 O% c8 u& w7 g
- LDA Bullet_Z_Pos,X, L d' N& q/ W: D% C- _
- LSR) D+ ]: e( X# v; n4 ^/ j- W
- LSR6 H' K% ] i3 J" ]+ x& e, d8 B* y
- TAY
\* d W1 X& P( b! G$ k' l - LDA Bullet_Speed_Data_Ex,Y- F. Z4 \ C; x/ X( V! y# X1 p# @
- STA Bullet_X_Speed,X
8 F$ L2 B- |; z! r! k( b - RTS
6 c' m* ?2 E; _) Q -
! f7 q# U3 K, ^( J' Y* t9 M - Track_Enemy_Ex_X_Less_End: q6 d9 M- L$ G [! @6 J. a7 }
- RTS
- }. J( F7 O& c8 e. Y H1 p - 7 l" G' z- i' j( h' r3 u
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X1 j& ^+ M6 h# F! u- @" J! V
- CMP #$030 t; q( U9 ^" l, l0 _& _
- BCC Track_Enemy_Ex_X_End
4 o# Z: k4 m, |% T7 | - LDA $6020,X# v9 \( Q! L) o" c2 a% ~
- CMP #$2A$ e0 U2 g6 @' P* ^
- BEQ Track_Enemy_Ex_X_Greater_L1
) }2 t' l2 Z4 x& { - LDA Bullet_Z_Pos,X$ d% l2 N: p* S
- LSR
) c7 g* u2 T0 W; M/ w - TAY
* Q6 f1 S1 H( R. z4 e2 Z - LDA #$001 r5 V/ J7 L2 A+ @1 o u8 j
- SEC
* A6 a# X5 V/ N- ] - SBC Bullet_Speed_Data_Ex_R,Y
8 B* X; H2 e% D$ T4 W7 i( l \ - STA Bullet_X_Speed,X5 _8 C9 V- e: Y+ p
- RTS
8 N( _) L1 S) k -
2 w r4 A7 T9 `5 k$ J - Track_Enemy_Ex_X_Greater_L1% G! o, x: W' d) m) c+ s2 K
- LDA Bullet_Z_Pos,X
5 G; F3 Y; g: I. M$ i- s' `! ? - LSR2 \- s& W, r! }
- LSR! m8 n# Q3 v4 Q2 J1 l! O ?- \7 O# ]
- TAY
/ K- Y7 T3 X2 N* B" _9 y - LDA #$00
6 s2 L- i1 j3 o9 A - SEC; L/ A+ Y2 U9 @
- SBC Bullet_Speed_Data_Ex,Y
! t0 V0 n, Y. R" M+ R! } - STA Bullet_X_Speed,X
: D+ u& h. K1 |: E+ g* a - RTS6 O% b) `% t+ f
-
7 C$ J5 B: @6 m6 Q - Track_Enemy_Ex_X_End:4 H! d7 K: d* Z6 L: G! V; l$ }' ~2 I
- RTS
3 T9 q/ L8 y, U& ^ - 9 I: V4 S0 ~+ k/ }* M
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)3 T5 p0 S$ l* y
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
) T+ @. l# _! b3 V - Bullet_Tract_Direction:+ E' O1 G _8 H
- LDA Bullet_Icon,X
1 ?. a. W( I8 Y - CMP #$232 E7 q* t# w6 u8 p0 E
- BCC Bullet_Tract_Direction_End& A5 S+ \9 t3 L3 u* Q( Q
-
; n; k' z9 U" e, H+ T2 F - ; X != 0
) t2 ^( U x8 `+ X# Z* H* \2 Z - LDA Bullet_X_Speed,X" T" D d. m1 x$ q- o& w0 E
- BEQ Bullet_Direction_V
. v( k6 _- x( s7 t -
M0 T% f4 W3 s- q% R- h - LDA Bullet_Y_Speed,X6 M* o; C& B' H; ~) v) n8 B
- BEQ Bullet_Direction_H
6 F- \5 y+ r* O: U6 I9 J -
# q9 Q) c8 L* b9 H - LDA Bullet_X_Speed,X3 O1 x) x- m q' O7 L! j$ G
- BPL Bullet_Tract_Direction_Right
6 P/ ~" M2 U& l9 v0 h' F) ~2 C% m - Bullet_Tract_Direction_Left:" g& k5 }% ~1 o* e4 a0 h
- LDA Bullet_Y_Speed,X
" M! _* x0 w% S - BMI Bullet_Direction_Left_Top
8 w% G/ c. u! N* {; G1 ~ - BPL Bullet_Direction_Left_Down
% W5 Y: i9 m4 B7 E+ J* }/ W, w [ - Bullet_Tract_Direction_Right:3 i3 p3 |0 |9 d9 M
- LDA Bullet_Y_Speed,X
' h9 T" C# I+ Z. Y" I7 `7 i - BMI Bullet_Direction_Right_Top
4 W$ B3 C% S2 k2 f& e - BPL Bullet_Direction_Right_Down# g) |) G( D! b4 t
- Bullet_Tract_Direction_End:( ^/ f# `# L( m0 |, }" y7 i
- RTS
0 r7 n$ }+ L! {, O3 c* C7 [
- `0 ~+ O$ T' p/ R+ D" Z- Bullet_Direction_Left_Top:
7 r* }$ P/ H. x0 V) h' C2 H. A" V7 i - LDA #$25
- H8 }2 E% k& K - STA Bullet_Icon,X
0 A5 C% ?' Z+ o% ?3 n - LDA #$C0/ |2 m5 S9 H/ C. a% }; o
- STA Bullet_Direction,X
( _# g' y# C2 P$ W5 p" s" e% C - RTS
* M2 n1 i" @9 E3 J& \. J, x
( m( v' D/ m5 w% G q; ]- Bullet_Direction_Left_Down:' G3 |+ \- i- S9 V
- LDA #$25
# B, y" D( N, p& N% ~8 L5 Q - STA Bullet_Icon,X
7 x+ R- t" w' f" m/ R - LDA #$40+ X: M+ U4 D7 D+ ?, _5 o) H' n
- STA Bullet_Direction,X9 D5 t5 x) r2 f D% B/ S
- RTS" Z5 B) s4 H" X' M I, R2 [* b
- & K4 i7 e- Q; w
- Bullet_Direction_Right_Top:. n7 q. M) }9 p
- LDA #$25) o0 u9 v; p( f! c2 y4 c) l
- STA Bullet_Icon,X6 H3 p1 k5 S4 w" c& m3 P8 M
- LDA #$80
7 _& u& k, T% H - STA Bullet_Direction,X
2 d6 [' Y) b2 u6 [ - RTS
- j2 Q) n: Z- n
2 Y0 A6 L8 ~3 T/ ?( z- Bullet_Direction_Right_Down:; Z3 S% `) Y7 B) V! r3 o0 ?
- LDA #$25/ `, R$ u- O, L/ Y- Y3 @
- STA Bullet_Icon,X
+ m% ?4 M3 @; s; ]9 X0 H - LDA #$000 T" T6 P* l* r
- STA Bullet_Direction,X
3 O, h! T6 y0 k/ l - RTS L$ C$ e, S* c2 K$ Z; ^6 n
- 2 n3 V a) ~7 R; |/ Z) W/ Z
- Bullet_Direction_H:" Y' n1 Q' y c
- LDA #$24
3 m& ]: u; D4 q; F - STA Bullet_Icon,X
/ u$ \6 `, C8 j8 j- h - LDA #$00
! [- ^& g: F4 t7 C - STA Bullet_Direction,X
" @* _- a- N2 w3 m- a& u" ^ - RTS& C) e8 C* F2 Z6 G1 w4 H8 G
- / Y q2 i2 M. H- a0 j* |
- Bullet_Direction_V:2 B; m( D& H" b( l
- LDA #$23: ]4 I, ^' a5 S" b& q$ M; O
- STA Bullet_Icon,X
' I, i. r" }/ c& w+ e - LDA #$00
- J$ N" {4 c" K z# x - STA Bullet_Direction,X9 Z4 z. }6 M1 P, @
- RTS0 f9 e$ @5 m9 @
- ) j( L5 `/ a( X5 [, B1 c
- Bullet_Speed_Data_Ex:
5 f7 F! W5 i, X! h' Y - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04" z v9 ^. P4 w0 p! d+ {) w
- ' z' m5 ~ u; i+ ]' R( ]) H) ^
- Bullet_Speed_Data_Ex_R:
3 b6 H0 }: z& J8 Z3 V2 d - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
1 C: ^8 x, ~% ]; c -
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