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[FC][魂斗罗][J][追踪弹]7 p6 x9 v/ |4 Z+ l2 Z
) U. ?! x4 Q' G& G' W3 t时间:2023.04.30
8 Q; v% x1 H9 Y4 G作者:FlameCyclone
% ~# ]& J; X1 f0 B; |4 P7 b) A6 y9 C" T" K内容:5 D9 F, \: B, B, u
1. 所有子弹追踪敌人
# X4 P. g0 [" N @, C. e 2. 选择键切换武器$ ^5 ]4 _, \/ l. U$ P# u8 n
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* ]. Q" b8 t% ]# h
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flamecyclone.ys168.com
; P5 `+ U# S ?/ }, V8 R# J![](http://2006.emu618.org:6180/data/attachment/album/202305/25/152414umfzmmx0xwnydfff.gif)
' g" ]+ f. x9 A3 z0 U2 T& V# m! A- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
% z* _) [3 r* i; T5 H4 K - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
6 w, Y7 }% K4 @ - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)3 u/ @$ i" v/ o
9 W6 } u9 t' {- ;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 t& I2 [& {6 i# ~2 G8 F) L
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
6 e$ N7 G& K9 `4 P( x* z" T - : K: e- p7 [; F ]& E! t
- Track_Enemy_Index = $6000
* S5 p* d$ {2 D8 a - Enemy_Index_Begin = $6010
" @3 |7 ?. p* U- q4 ?- b - Enemy_Index_End = $60115 k2 v3 r$ W, x) y
; D' } I' r1 H* h6 b- Loop_Index_I = $6012
7 k7 l: y" L: z - Loop_Index_J = $6013- U% S4 {5 d! |! b6 \. G9 B2 V
- nEnemyIndex = $6014) D! M9 q, u+ l4 O" n- Q, f
- Data_buffer = $60156 [% g" F3 v/ a3 ]' ^5 r# L0 s6 I
$ g4 v; \% N& ]8 O9 |6 I- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
. ]7 n5 E4 B; V0 M6 z& C' C) g I - Bullet_X_Pos = $03C8 ;子弹水平坐标3 s( n, ?1 D) V, f! j5 |
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
' c2 N. g; ^. h7 d9 R& O - Bullet_X_Speed = $0408 ;子弹水平速度
! t8 Q0 d7 D( j0 R4 M! M1 t - Bullet_Z_Pos = $0418 ;子弹Z坐标
n: d- R! Y8 c - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P5 d) |9 r1 s8 T* p! U
8 @$ S( @* b6 o6 X$ W5 k3 I) D* g- 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
) ~( C8 k& ~! Q - Enemy_Blood = $0598 ;敌人血量6 m% K c' u; ^7 w
- Enemy_Type_Addr = $0528 ;敌人类型
# t+ [- S' j3 S' k - Enemy_Blood_Addr = $0578 ;敌人血量# p$ G+ l \/ ^9 |! K
- Enemy_Y_Pos = $0324 ;敌人垂直坐标, n$ O, V2 G. M1 @6 G0 N6 E
- Enemy_X_Pos = $033E ;敌人水平坐标
E5 l% c% G. Q9 h - Enemy_Y_Speed = $04E8 ;敌人垂直速度
; z6 b% U8 T" }& x. J - 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) K- o; y- v0 x
+ D: Q) C; `' x: s7 ?" W2 O5 t8 s8 v$ l5 K- i- Enemy_Index = $83 ;
- G* X8 S/ v0 [& P& t/ d - Time_Count = $1A6 v7 S! f9 o* F, h2 i
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率! k: a8 N3 y& n1 x: n' ^7 e
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
5 j' o5 |" Q" A( Z
( j0 t$ {; K# i
) B. E- Q8 v5 c" D9 v% A: w" K- .ORG $61000 U$ S; A9 B- a/ f& z" [0 ?' h
- Process_Begin:
. S) Z l8 i7 t! f8 u% P - JSR Enemy_Check4 Z& o2 n5 ?) U4 t
- JSR Track_Enemy_Check
! c, i& {+ J& b+ G* c# u1 I: Q. W - Process_End:# r4 [3 A! ]# {6 O/ ~% v: f
- JMP $E54F
/ w+ P& R4 A# G; a
) @7 S( D5 D+ t/ J- Enemy_Check:& h3 q, b( Q5 Q
- LDA Time_Count( w- `5 S; }/ Z$ _
- AND #Track_Bullet_Speed
8 s4 w6 v& e. ]' l1 [ - CMP #Track_Bullet_Speed9 p8 f: e" Q9 D8 [
- BNE Enemy_Check_End
, X7 N ?+ G9 Z4 ^3 b2 y - LDX #$0F
5 r- n- U0 n% c9 z - Enemy_Check_Begin:
0 w( ]7 k3 I0 n( u l7 E - LDA Enemy_State,X
* I$ D; i! p$ S/ g# ]6 E$ |3 A( q - BEQ Enemy_Check_Continue! a$ W3 v; X; U
- STX Enemy_Index
, U/ x1 N# C: M3 u; p" K - JSR Find_Begin_Enemy$ Q. w, O* C# @
- JSR Find_End_Enemy6 w6 c& `8 P, V+ ~3 g
- JSR Bullet_Track1 Q- o" l& X: Y9 ?
- 1 y$ r, [( W$ W. J$ G
- LDX Enemy_Index! Z+ U# B% l1 O6 i
- Enemy_Check_Continue: ?( K8 J0 k% i u- Z
- DEX8 n* c" n( D2 j c4 G
- BPL Enemy_Check_Begin4 Q+ p; @5 y$ o* u
- Enemy_Check_End:
9 _4 R# D* `8 J! [+ r' i4 s - RTS0 q8 W8 A1 |# t" }- a3 p H
- |: M# W7 ^2 ]! N. _" S
- Track_Enemy_Check:
+ K. i2 Z: j0 I% n - LDA Time_Count
( y9 c9 G/ o) j: d - AND #Track_Enemy_Speed! X' A3 T4 T2 `% S6 Q) v
- CMP #Track_Enemy_Speed4 k% C4 c( f, S9 Z
- BNE Track_Enemy_Check_End
& t/ M9 a0 G% _; Z6 h% e8 | - LDX #$0F2 D5 Q' M# ^- P7 W# D. Z: I
- Track_Enemy_Check_Begin:* r( {0 C, @; h
- LDA Enemy_State,X
& v% S1 e9 l1 o+ P1 C& t - BEQ Track_Enemy_Check_Continue
: r% M9 r8 ]& x: e) b3 t# F" I q - STX Enemy_Index J1 F# F( n! _* J" |& M
-
+ S0 i2 a' e5 `9 m/ U - LDA $404 f3 I. K' Y" i' F( r( S x" S
- LSR
$ w0 v0 S5 h( N4 E5 w S - BCC Track_Enemy_Check_Begin_L12 a( U" ]( k+ P0 {7 Q, g; Z
- ! u( B: |$ U) }1 \9 F7 g
- JSR Track_Enemy_Ex ;2, 4) Z8 ]; ?0 c8 W) W4 Y
- LDA #$00
; I4 n( {: E2 \% z. s - BEQ Track_Enemy_Check_Begin_L2
B; ~5 p- z; s - ; }: m ]" e1 Z9 `# w' V
- Track_Enemy_Check_Begin_L1:
, C6 X$ {2 T5 F0 G6 ]5 R -
5 p6 o! j' Q, ?: z1 ]3 w - JSR Track_Enemy& e' v0 ^( o: `7 u: v2 U \
- % b) _) X# ~- c
- Track_Enemy_Check_Begin_L2:
0 R+ o# |2 z# [6 d -
, g! x6 m; W" w- W+ A9 U, v7 o( H - LDX Enemy_Index" m, I: n$ C* Q6 F$ H: t
- Track_Enemy_Check_Continue:
% `. U: \% v' S3 V1 u1 p - DEX% m6 W4 d5 i) Z: ^8 |4 T9 K
- BPL Track_Enemy_Check_Begin
% T8 {, X4 d# O& [& z$ E- D0 \8 V - Track_Enemy_Check_End:
, I- M3 l0 |9 @) a! T6 G% a - RTS
6 ~/ ?9 e) K- D! z, W4 s - 0 z# b+ _0 O- O
5 P- [% d+ A0 i i- ;查找第一个敌人% p5 q) G2 N* m. |5 i' r1 `
- Find_Begin_Enemy:
# G! J" ~1 b, _9 _% V - LDX #$003 l" k/ o* ?' E2 _/ V
- Find_Begin_Enemy_Check:, l. ?. p0 x9 Z
- LDA Enemy_State,X
" _5 }4 k/ M; w4 |; O - BEQ Find_Begin_Enemy_Check_Continue" I+ Y# F5 t% t" K
- LDA Enemy_Blood,X" F! w8 M8 x# ?: i
- BMI Find_Begin_Enemy_Check_Continue! a/ X3 Y3 J5 l0 H4 i* I @
- BNE Find_Begin_Enemy_End; r0 Y8 t" m% @: q2 X% U0 W
- 0 g: S( f7 H- W( M* Y
- Find_Begin_Enemy_Check_Continue:" p7 ~$ ^* S+ R0 b' Y0 s9 _. K: A
- INX6 O0 Z/ Y# K6 }7 u* `( u% E
- CPX #$10
" k, S6 ? y9 r4 O - BCC Find_Begin_Enemy_Check* V- B5 {1 u: e+ Y1 r3 P$ w
- Find_Begin_Enemy_End:
3 p3 M8 l1 v& l5 W+ c1 |: ^ - STX Enemy_Index_Begin
$ ^ N8 o& G3 F - RTS9 s! `0 O! e& x1 N. Q0 W
- - j2 U3 p: i9 q1 c
- ;查找最后一个敌人. G" p, p) Z1 n6 u
- Find_End_Enemy:3 t+ J2 }8 ^ z4 p& n
- LDX #$0F, }6 A% _5 r) ~1 Y# q4 D9 g+ _" f
- Find_End_Enemy_Check:- Y4 N+ E5 ]) }2 y! V
- LDA Enemy_State,X
" s3 \1 q6 h. z9 Q+ [$ W" L( y- @ - BEQ Find_End_Enemy_Check_Continue" `7 c5 x+ A/ O) L( m' E
- LDA Enemy_Blood,X' ]) _4 t* V$ \: Y e# T" }
- BMI Find_End_Enemy_Check_Continue4 `( h8 ?2 R+ K; H2 f D1 u4 b
- BNE Find_End_Enemy_End. O: N2 u+ k1 z6 V
- ) \& ], O! ~4 Z: {- ^- W( f$ e
- Find_End_Enemy_Check_Continue:4 q6 l$ H3 u& N
- DEX3 t) E! C' K3 R0 {: X
- BPL Find_End_Enemy_Check: p( @3 n2 g, i% ]* ^( `7 K- K
- Find_End_Enemy_End:( l5 [8 z7 p' g9 o8 c
- STX Enemy_Index_End
: ?- J6 E+ r: a' M* U - RTS4 N, z2 }7 n5 ~ M- J" T. E8 g
- 7 Z1 A% ^/ F; \( U z$ U# M
- ;子弹追踪7 C2 N5 q3 ?- f- H- t6 j W% j
- Bullet_Track:
. g/ X2 Q; K) S' t - LDA Enemy_Index_Begin9 F9 W/ L- h! \6 v
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;% V+ W) k& j9 f# A# O% A
- LDX #$00 3 B# G2 g( X9 B
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++): h' U+ ^( k' ]' Z+ W: _
- LDA Bullet_State,X
) K% A: i# T! x2 {5 X/ a# e1 } - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
! k( h8 r- L9 `/ N8 ?9 e - STX Loop_Index_I
( c' C- B8 a O - ; d' ^& ]6 \; T6 H4 ~2 s1 o" i2 K* c! C4 `
- JSR Bullet_Track_Enemy
; }- ^* m4 @, o' Z - JSR Bullet_Tract_Direction0 N2 ~3 I# O8 d# P
-
& _& e! x; O- x - ;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
( ~* ]% p" u6 L+ l- B9 I - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;, m' R9 C T- Y+ L5 u
- LDA nEnemyIndex
8 ^2 ~5 _/ [" K2 T# U7 \- U; B - CMP Enemy_Index_End" U, @; \ z2 n: W, Y2 U+ a% I# Q
- BEQ Bullet_Track_Check_Continue
2 R0 X+ n3 ]" X5 @# A - BCC Bullet_Track_Check_Continue
$ N9 t6 @# h& [ - LDA Enemy_Index_Begin
! L: P+ M& Z2 w6 F( J - STA nEnemyIndex
- s- _1 ?* H' E0 F9 Q0 Q, Q -
+ T; N$ J- C3 H7 g5 n - Bullet_Track_Check_Continue:( B- o: g# T+ E$ @5 {
- LDX Loop_Index_I
3 y0 f" w& F3 X& ?' p) H8 Q - Bullet_Track_Check_End:$ c2 Y6 V+ g2 b& j3 r8 ?; ]) L
- INX
9 O' C3 q( b0 m: m$ [4 @ - CPX #$10# [1 A J; } Q& w2 O
- BCC Bullet_Track_Check
' U9 Q, @) U& A7 T) S - Bullet_Track_End:
0 G: S" E. L8 h q/ _ W& a. G& W3 ^ - RTS$ E4 X: v8 z, {% V! w1 B
- : _0 a# { \. J
- ;给敌人分配子弹
& r3 ?+ l. [1 ]9 \ - Bullet_Track_Enemy:0 Y4 q$ ~- U% v1 g
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
* s8 ^) d0 h7 ]+ n1 P - Bullet_Track_Enemy_Check: k3 t* N n# B9 a% z3 F
- STX Loop_Index_J# ^+ O7 h) i. y, F1 `5 K4 D
- " |0 ]1 m/ W; O/ y( @& L3 E
- ;if (0 != nEnemy[j] && -1 == nTrack[i])! w9 D/ O* i8 T& ^5 Y
- LDA Enemy_State,X
; L3 ?7 i5 m2 q5 L% B( H- E8 e - BEQ Bullet_Track_Enemy_Check_Continue8 V# ]+ F0 B7 j' [5 }$ J
- LDA Enemy_Blood,X2 U" w6 _1 x; n* x! k6 \; y
- BMI Bullet_Track_Enemy_Check_Continue
7 ]% T C/ B+ M2 o: l - ( Z4 T/ o+ D% {* Y, U1 A5 Z& H0 {% ]
- LDX Loop_Index_I# w' @8 X* p- e6 U+ J4 C" {/ I
- LDA Track_Enemy_Index,X
7 J B1 _5 _* x$ h, ^' R- x - CMP #$FF
& X2 D& p) Z' F6 A - BEQ Bullet_Track_Enemy_Init
& `- k. @9 ]( q4 p+ N3 P5 R* O+ _ - & T5 y, C6 D, m1 s
- Bullet_Track_Enemy_Init:0 ^' k& ]. K& J6 a8 l" x$ v7 k
- LDA Loop_Index_J% ^6 e/ ^: V8 v
- STA Track_Enemy_Index,X ;nTrack[i] = j;
8 W) X, _) m i7 @1 a - 1 O9 F- L B$ z& g$ q; v4 |
- STA nEnemyIndex2 Z& ^# a$ Z6 \9 S- k
- INC nEnemyIndex ;nEnemyIndex = j + 1;9 _: Q! P3 K. V8 r
- RTS ;break;
3 @ D4 s8 S. c0 L
2 s, m* E5 D. a0 Q- Bullet_Track_Enemy_Check_Continue:
! t! T" r+ {2 m$ D& j1 E - LDX Loop_Index_J7 V0 W& s- l/ z
- INX ;j++
4 H' a+ U) F4 J. Y( n& T! a2 h - CPX Enemy_Index_End
' C- j2 A* I( e# H, W6 O& e I - BEQ Bullet_Track_Enemy_Check1 x; W- I% M# }/ h: b# V
- BCC Bullet_Track_Enemy_Check
. Q9 J) B# o% `; F - Bullet_Track_Enemy_End:
; h) U3 S7 @ U - RTS
& e; C5 b/ A5 [2 K7 y9 p- _
3 r0 \# ]7 O0 l; g* U9 F0 L- Track_Enemy:, d: v" i( E7 k, h8 w/ m6 w
- LDX #$0F" b; f% d: l8 z; f3 J2 ]7 l3 e+ T r% O" F
- Track_Enemy_Begin:
7 p6 P0 {* b' Z5 y3 Q - LDA Bullet_Icon,X+ T2 G; K7 g+ \, R+ S* J1 I% r- I
- BEQ Track_Enemy_Continue4 ?" G V8 g: h+ [1 H" [7 d+ B
- LDA Bullet_State,X5 M: i% y F( k. o5 W$ Z
- CMP #$01
5 q% I0 }0 }, P+ N8 E( z$ B1 m - BNE Track_Enemy_Continue2 Q5 F2 G0 y8 {# p- D
- ) F" o: u! ] X" f( ]" W6 P
- JSR Track_Enemy_Process
* U$ x# w7 }8 J6 x& q% K - 9 ~# n' A" o, \/ A9 k2 f
- Track_Enemy_Continue:
0 g& h) g$ a/ V9 b - DEX
* F# D! F/ ~4 I4 l$ f+ _ - BPL Track_Enemy_Begin& }/ p! N" v w: K
- RTS1 l! M' @# O6 E x$ u: ^
- " W* _( n1 c! y4 g$ ?
- ;普通关卡
. J9 J" T! Q/ R$ r# ] - Track_Enemy_Process:
4 `8 u1 \% }2 |, v5 K4 l) O7 N - LDA Track_Enemy_Index,X
) Z, }; E2 q. K0 \ - CMP Enemy_Index
8 @4 M' T7 n y5 {# {2 h D3 h - BNE Track_Enemy_End9 s) D! j: k! a1 g; R
- LDY Enemy_Index2 i$ K- c' m+ J4 r3 k/ H: _( p
- JSR Track_Enemy_Y
9 A( }1 l9 m' l: Q - LDY Enemy_Index
" L" ?) J: s* L S7 d+ I7 \# I6 w - JSR Track_Enemy_X) d' a7 j+ w- a% w* D8 t
- Track_Enemy_End:; M B5 ~4 q+ I7 x- p q
- RTS& L) H1 ^8 N2 u, _ O8 w3 T' t% L
- ; ^, a+ P/ F8 u" `
- Track_Enemy_Y:4 k. M& z4 D) t$ e; `
- SEC- D, M: F" `- |+ G. q/ W: M5 ?1 E
- LDA Bullet_Y_Pos,X
* c: }: x: c2 m# d - SBC Enemy_Y_Pos,Y, g9 l$ I) h! c2 }; q
- BEQ Track_Enemy_Y_Equal
. n$ Q! R W" ` - BCS Track_Enemy_Y_Greater6 B& @8 g+ M0 ]! K3 G
-
! u5 F2 @; P l" l% b! h& W - Track_Enemy_Y_Less: ;子弹Y < 敌人Y( W: c: a& w; T+ l' w! L
- CMP #$FC% E4 }* J, }; Y' a) U1 b7 W' G6 L
- BCC L1_1! h4 o: h: R2 o6 T
- CMP #$FE
5 I' X* m- k6 j+ k - BCC L1_2. Z* W, e. K/ [1 y0 \
- LDA #$00
* f4 T- k5 w( H0 T) g/ d1 D: x - STA Bullet_Y_Speed,X( z9 b$ S5 N. x! c8 ^) x
- RTS
0 j8 ?/ L* z$ c( f8 c - L1_1: . v# ]& [$ K2 ^5 y
- LDA Bullet_Type,X# G& A: r \- w
- AND #$0F/ Q. {6 D: x1 f f* O
- TAY7 I% h- [% _& `
- LDA Bullet_Speed_Data,Y8 H( L/ i+ p1 J9 i- m5 L# V
- STA Bullet_Y_Speed,X
# K. z( }- s& R0 w e - RTS
- O( p5 H/ _: `' w6 d. D# T( t( s - ( k' Z5 U9 i# b) H9 K; p) ]
- L1_2: / y/ Q4 S5 g+ I, }4 b. F
- STA Data_buffer; \" A% D u# U" e# A7 {
- LDA #$00. q$ E2 K) \3 F1 I
- STA Data_buffer9 C/ R' f+ b, o# i6 R
- LSR3 z3 X# C" P. a
- STA Bullet_Y_Speed,X0 J+ B, b3 J" N; R) z$ L- {
- RTS
! s8 H$ I& ?. ^, x1 h, l - 8 O5 j. \! O. J
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y5 J# o3 r% y6 b+ x) O' K6 G( j. Y
- CMP #$04
' v; {; t; \2 w5 }" z. J - BCS L2_1
9 g& c# a6 C- E0 p1 c/ M. y; d$ ? - CMP #$044 m% f) h( {7 O1 W* t
- BCS L2_2
% I, G: E+ J# s# P% v - LDA #$004 l3 Q' n$ K+ K* O5 q
- STA Bullet_Y_Speed,X5 N9 V8 ?8 h3 X1 \/ c
- RTS# l; {, a, W; Y2 a. H: g3 X
-
; Z- n$ i$ L: L( _) w+ T - L2_1:3 Q( I l6 h0 t# N
- LDA Bullet_Type,X
7 N2 l1 X! ] Q$ x6 i - AND #$0F
2 m) h5 f8 }2 I; p# n - TAY
' \; l. p" y, S0 W9 p5 \ - LDA #$00! {3 y& K. E H2 G
- SBC Bullet_Speed_Data,Y8 I9 K8 ^$ S! f2 H+ M1 h V
- STA Bullet_Y_Speed,X
0 o( G( y7 m! ?* E$ P: Y - RTS
2 }/ g7 r( O0 s8 d -
8 J$ h: ]- G4 f2 D8 i- h - L2_2:9 J- H. f/ I" {- y" m, i
- LSR
0 j" a% _5 O4 ~8 A- q. b8 F - STA Data_buffer
4 q' a6 H, {* j - LDA #$00- U ]% X, A' `6 H- q4 s
- SBC Data_buffer
8 G, j0 M! q7 B/ ^. @+ {0 x& U, q: n - STA Bullet_Y_Speed,X/ Y/ Q3 f2 b* B z) j. {7 m
- RTS3 L" [) Z! \; Q8 @
- * Y+ U/ V% O: T4 i- w8 V1 W2 w- Q$ P
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
* t, p6 s" p( B% ~+ L! Q5 t - LDA #$00
/ Y' [9 |& N' a, d3 w. h* \ - STA Bullet_Y_Speed,X7 e7 n/ H. u% V3 A" q5 E# E
- RTS
. k/ r h& u% z/ { -
" G5 ~* n( M- Q. t/ c, _ - Track_Enemy_X:0 \5 h0 B$ M4 v, v1 G; o
- SEC
; @8 e# v2 d! K' E - LDA Bullet_X_Pos,X
% l. _# H' f# c% C& J" _ - SBC Enemy_X_Pos,Y+ ^& g# ^2 A: Z* U
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
1 j! u w: j; l. g! L1 f7 p# A - BCS Track_Enemy_X_Greater ;子弹在敌人下方
7 }+ H2 m' k% V- B2 O/ I - 8 _( q' [* e# a. H9 K0 Z
- Track_Enemy_X_Less: ;子弹X < 敌人X
% I+ a- _' Q# ^1 ~( O6 T - CMP #$FC8 Q0 w; Q2 x' }2 g0 J
- BCC L3_1
; @9 S6 W2 ?: Y) E7 }# s: R4 j - CMP #$FE/ P! t. l8 r. g, Y4 O K. U0 a& `
- BCC L3_2
$ l* f3 |1 x: O$ N- L' C4 k/ ^ - LDA #$00
4 Q5 R( G. m6 \' M - STA Bullet_X_Speed,X- `, V* w) Z/ G! r. y; f; k
- RTS' r# U+ k9 E: H7 `) y7 u4 H( X
- L3_1: 3 I# x/ A0 L3 E; r8 b
- LDA Bullet_Type,X
) O! }% j8 p+ m0 U4 L - AND #$0F
' f+ M: b% U9 q4 A# R" M - TAY) a$ \- O) k, W
- LDA Bullet_Speed_Data,Y# Q( L A# f$ w/ V; L
- STA Bullet_X_Speed,X- b& Z# M+ f7 V1 c+ w; I
- RTS
- T* K" l" e0 X+ ^7 g& F( G - L3_2: ; q- V7 i8 T& |" S
- STA Data_buffer
8 ?& v! W# a1 J4 r* a) { - LDA #$003 D2 L6 _6 E: G2 w# n6 K8 U* D' i* L' m& [
- STA Data_buffer. z) A' g; ~% ]( ]+ T) K" }" G
- LSR5 ]$ Z- ?0 R' K0 ?) ?6 H% ~
- STA Bullet_X_Speed,X
" F) L- x- {7 a- ?9 E2 ?$ c& Q- U, ^ - RTS: A5 Y7 L' `6 L6 o/ v
- . R' p, S; P8 x# _ R- U
- Track_Enemy_X_Greater: ;子弹X > 敌人X, X2 |9 v% g h) w- Q9 T
- CMP #$043 a7 u0 K! j1 } [
- BCS L4_1% {8 Z' r' M* R7 n+ `9 [% X
- CMP #$02. P0 C4 i6 Z; Q, r
- BCS L4_2
0 r8 H$ F8 I; w1 y4 `, a2 q# y" I/ A - LDA #$002 B d0 K; B$ X9 D9 a
- STA Bullet_X_Speed,X
/ C+ }1 L- c5 E5 G, ? - RTS( H2 W" k' U! ~6 v+ b
- 3 s" }# A* I6 [: D. J8 W
- L4_1: $ m9 R% u6 e+ ?5 ?3 A- L h$ c5 ]
- LDA Bullet_Type,X7 U+ f9 X, ?. f$ t9 \" D
- AND #$0F
- z8 v0 O/ H/ n& w- q, a1 k - TAY" {% q$ S+ E3 b" w0 c; e+ d( V
- LDA #$00
/ `& C1 r+ ? [* Y9 d2 R( z - SBC Bullet_Speed_Data,Y
. x- v2 Y4 r- E8 Q& r C' e0 Q - STA Bullet_X_Speed,X
) D+ ~, t# v/ E4 U9 Q - RTS
. ?* p/ R# f& X6 ~' a" V - L4_2: # w" V% W$ k. J* k
- LSR1 q, ^- K6 h: e' x' M
- STA Data_buffer1 K' N' ?7 O* {2 K# M
- LDA #$00' n9 C0 ?* X: B- |/ Z
- SBC Data_buffer" Q9 g+ [7 @$ q/ l; G- p
- STA Bullet_X_Speed,X4 b5 |3 w( W- B1 A: n
- RTS
& |* u1 N' @9 H% b* p -
4 J+ V2 b( |- D n& \, U - Track_Enemy_X_Equal: ;子弹X == 敌人X, g$ q5 W; B3 G1 x/ F* t0 _
- LDA #$00) @4 r6 x7 h! d" o: L+ F" [
- STA Bullet_X_Speed,X) t* d' J4 w6 r9 t u; C% x o
- RTS- r/ V) t8 u6 T
- / F: s u6 p0 \5 Y' T( V
- Bullet_Speed_Data:
) s- o( D9 m7 x: ?& U: |4 k; w! @4 c) U - .DB $00,$03,$03,$02,$03,$034 n" x- |9 ~5 q( C2 L2 ?
- % K% Q+ e8 c! U) A
- ;2, 4关/ W' z$ S. y3 e; N% Z1 f, H
- Track_Enemy_Ex:
) Y- [; n& d: H* ]# ^ - LDX #$0F
% P* m9 o0 x9 f, E: G - Track_Enemy_Ex_Begin:* o$ w- p# _+ I, u
! J; r6 `: ]& e: _- LDA Bullet_State,X" u6 F9 S& ]; C4 h# e6 e, N; U% w
- CMP #$015 u3 F" G/ g1 c; O5 x
- BNE Track_Enemy_Ex_Continue3 ?8 ~( W U& m/ m! v5 c7 @
- - V% u, `8 i1 x" o! ?6 |
- LDA Track_Enemy_Index,X& k7 X9 f0 w. P* P% [" T5 f" u
- CMP Enemy_Index$ J j5 K6 m0 _
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
0 v: [; {+ B5 T u. I# } - 7 E- Z# V% d# ~' A9 y* b
- LDY Enemy_Index
5 O. G% ]1 Q% o: K& q, ^ - JSR Track_Enemy_Ex_X! t" N) J# c( N& [- l
- 0 u4 u. l& R" _8 l" l# h$ K4 \3 G$ Y
- Track_Enemy_Ex_Continue:2 N5 a4 Y" m6 Y9 n
- DEX4 B. m* W/ e1 [8 q) y
- BPL Track_Enemy_Ex_Begin* m) G! h3 [7 v4 [1 ?* s
- Track_Enemy_Ex_End:
" x! T7 B- R' P* B - RTS
4 R, U6 U3 v5 ~) ]. r - 9 b/ B$ O& i2 ?& v2 d4 b* z
- Track_Enemy_Ex_X:
" H" p' b9 q e0 h, ? - ;LDA Bullet_Z_Pos,X0 S; o) P7 r. ?6 I9 R4 I
- ;CMP #$04+ l# t2 \1 k0 e v/ F9 o4 X% [
- ;BCC Track_Enemy_Ex_X_End9 [" S6 [2 C. G" f7 T
- SEC9 U8 k, z% ?; w9 ]$ W
- LDA Bullet_X_Pos,X
' z+ y5 T) L& y, ~/ b: j - SBC Enemy_X_Pos,Y
+ @ s: d P8 q+ \ - BCS Track_Enemy_Ex_X_Greater
2 W* B/ _) T# e5 Q% x - ( ?! g- r) X' {
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X* [ ] \$ t' ~* c- H- }
- CMP #$FD
- p3 A$ ]( ]$ }7 z0 d. ?, W8 ?' H - BCS Track_Enemy_Ex_X_Less_End+ r& w: @+ p! K5 _- o8 Y
- LDA $6020,X3 W8 {9 D. c$ e' x5 l9 e( m+ l
- CMP #$2A7 y/ \& t6 H6 h( _2 z. u1 X5 \2 Y) B
- BEQ Track_Enemy_Ex_X_Less_L1
6 v1 d2 |" r- P- n3 S$ f2 e - LDA Bullet_Z_Pos,X
1 o5 x) G- t. ]3 F - LSR
5 l* n g- m& r3 k& |) [, [+ S$ O+ A( a - TAY4 |8 Z* l8 w$ B, a9 m- Z' t3 m
- LDA Bullet_Speed_Data_Ex_R,Y8 b/ d( W% Q' _0 n' A/ p
- STA Bullet_X_Speed,X$ c, N- w; P) u; U. p7 f" V
- RTS$ }7 G" X/ p: }0 E! B0 f- q! E! c
- Track_Enemy_Ex_X_Less_L1:
7 s( @+ v4 k/ M+ T8 t' @
u5 v( Z s+ X8 K9 o% Z- LDA Bullet_Z_Pos,X
. h* l3 Z& C4 R) I2 z - LSR) v% `5 j' }) a5 j \
- LSR6 i4 I& E* D! q# h1 P/ y
- TAY
6 K4 ~1 k! ?4 V* t5 [ p8 d7 g - LDA Bullet_Speed_Data_Ex,Y' g* Y5 \ V4 _0 _
- STA Bullet_X_Speed,X
6 \) l! j2 C, g2 x( l1 W" | - RTS
6 c. K$ X6 d' h( N @5 ]( L9 t* ? -
$ B/ w3 i C5 v9 u - Track_Enemy_Ex_X_Less_End:
8 f3 P: t0 u. ~6 e2 f - RTS
0 k1 ]1 |" c- w7 f
0 m6 D0 y% ^: U2 r/ M7 G+ d+ y- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
; Y, G1 U3 ?" c! z6 B - CMP #$03$ o! A. B8 }- y7 H ?
- BCC Track_Enemy_Ex_X_End3 D$ g9 i* _* n2 ]; m
- LDA $6020,X4 B& K7 H* W1 I9 Y0 W" r
- CMP #$2A( k: I& \- r* u9 N/ K2 l& U
- BEQ Track_Enemy_Ex_X_Greater_L1
! l/ t; l1 X2 r' N- E$ G - LDA Bullet_Z_Pos,X& V1 X% _6 h, F! l/ H; m% l8 R
- LSR" ]2 t& Q$ ]" M& W! {2 c" K
- TAY. y+ g) h" L8 I4 k0 E2 k
- LDA #$00
N* ^! ]/ q; {/ @, g! |2 j: N - SEC
: \5 L/ R9 u3 I) b o) Y8 g% v - SBC Bullet_Speed_Data_Ex_R,Y
+ v" o6 {6 B# u8 G, o - STA Bullet_X_Speed,X5 z3 D' z- K/ h
- RTS
, i) M# z/ T9 u( V- g/ I- D& r - z, r2 \ j" n6 y) t
- Track_Enemy_Ex_X_Greater_L17 m$ B# g$ q$ C. `3 p! \, s) w7 I% Y
- LDA Bullet_Z_Pos,X
$ W8 l9 D5 q- H% u: U - LSR
6 y+ x; R! [0 K- t! b3 ^ - LSR
/ J F1 |/ M) g* { - TAY
: W3 U9 C# d) Q" m0 Z4 \ - LDA #$008 h+ `1 [& |! F
- SEC
! Z. \ Q7 M& p' c) l7 @& n - SBC Bullet_Speed_Data_Ex,Y
* A$ J- c2 m$ }( O$ f( D! [0 Z - STA Bullet_X_Speed,X6 g' f4 h9 S. X- U9 R/ J# @
- RTS+ A/ L7 Y% L% ]7 s9 n# _
- 7 d X$ b$ S; q I: K) P7 X
- Track_Enemy_Ex_X_End:
; z2 L) ^ T# c1 `1 Z - RTS
: Y. X# ^5 X# f1 h0 n( A) j - ) O. w/ V% i; A
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
6 Y% N7 S9 J x+ c2 b$ V5 ] - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上5 [& F+ O5 G5 P5 J- m" o
- Bullet_Tract_Direction:
/ B; h L a& m. C) `2 I - LDA Bullet_Icon,X( Y6 b: e L4 I% w- I* w
- CMP #$23
) b9 [' b. e! b* q' G - BCC Bullet_Tract_Direction_End
% t7 H' A) D: W% q8 P -
+ @3 O) x& G F$ y/ e! B. |/ ~ - ; X != 0! j; g6 X' I1 Z& t" y+ \
- LDA Bullet_X_Speed,X z) q1 ?$ |# k. B' z) T- e/ L
- BEQ Bullet_Direction_V7 j1 @ R7 h4 C$ J. p. r
-
! p. t( Y2 K: ^# y) _/ ~: V" s - LDA Bullet_Y_Speed,X
) |' d6 X9 H8 i - BEQ Bullet_Direction_H
* E2 Y$ s5 ~ F5 h- P# y: H - 2 C" ]* m4 I& p5 @
- LDA Bullet_X_Speed,X
$ v5 c3 ]4 z- ~. I3 W - BPL Bullet_Tract_Direction_Right
! j/ ~' Z. \ l: ]; H - Bullet_Tract_Direction_Left:
" L& W0 d7 F2 w3 [; P$ c - LDA Bullet_Y_Speed,X
5 a A) y5 t8 `5 j$ f( [ - BMI Bullet_Direction_Left_Top d8 p: R0 ~. C* t2 l D
- BPL Bullet_Direction_Left_Down
; V" @! x/ t' s) d1 k" I - Bullet_Tract_Direction_Right:5 y( C& J1 {$ l* i0 ^, z
- LDA Bullet_Y_Speed,X
5 s' Y& w1 _, g, @# `/ ] - BMI Bullet_Direction_Right_Top. d+ c* c" M1 d% B7 e
- BPL Bullet_Direction_Right_Down- R K$ q/ [1 [9 W' p. R
- Bullet_Tract_Direction_End:3 v* Y" i$ z( e% b6 z1 I
- RTS/ c; Q) Q2 T0 U B# V
- / [4 d# D2 _: b/ B! c
- Bullet_Direction_Left_Top:
$ Z5 _. T! Z5 U6 e) {% O - LDA #$25
5 z. s/ l( {6 @! b9 k% e2 G - STA Bullet_Icon,X" \9 j Z4 i. Q4 z$ K
- LDA #$C0
% g9 I" x7 k* ^0 c3 ?, } - STA Bullet_Direction,X
- p) k( i9 [( h% c3 W8 b3 V& O - RTS7 r: Z2 i6 ]( v. g* U
+ k: ?) l n' h- Bullet_Direction_Left_Down:
m: M6 R+ c0 k6 Y - LDA #$25
5 x) ^" V* G4 r( l6 o# _- ^ j+ Y: w - STA Bullet_Icon,X
. d: ?9 A! y" F( v8 p! Q - LDA #$405 z$ o& _" r! {: Q9 W7 }8 {
- STA Bullet_Direction,X
0 ^6 W: F7 r2 ^ W - RTS
, c, b; W3 v5 P% T) z
" y/ R* s; N9 E! ~' N9 r! D- Bullet_Direction_Right_Top:+ x+ g1 f) w! P9 i: ~
- LDA #$25
+ @3 W, Z9 n! P8 C0 l9 ~2 k - STA Bullet_Icon,X4 `+ q" ~ M. y; b% K3 H9 A
- LDA #$808 z3 [3 Q6 h- U
- STA Bullet_Direction,X
& N7 T8 v' m9 o* Q - RTS H e# A7 d- J' s- J
- / L! x7 `5 `6 w5 h
- Bullet_Direction_Right_Down:/ ]1 D; I5 T. Y% ~ p1 G9 B
- LDA #$25
2 F; T( @" m2 Q* G - STA Bullet_Icon,X+ p5 _0 h& b0 W4 @2 W' @
- LDA #$00, G( o9 F8 ?( h& Y! w1 L6 z
- STA Bullet_Direction,X
) @3 t# }" }- Q- g; M - RTS) o! A2 `9 w7 A. e9 h c
- + [% X7 J( s7 U* c( J! c
- Bullet_Direction_H:
. ~" m; q' L2 a. `' @' T - LDA #$240 |6 F, W$ j8 b' @/ D( L
- STA Bullet_Icon,X1 H8 `7 U' @. I3 k: f# \8 N
- LDA #$00- }' O( h+ P* r- F3 L" P, s0 v; |
- STA Bullet_Direction,X3 R$ U- v+ y( E1 Y
- RTS
6 ]4 C; _ D* }/ q0 r; c
2 q2 J3 I( X# M% I. R7 Y: G- Bullet_Direction_V:
2 {3 W* l* T; i* ^# H$ L - LDA #$230 n: Y6 ]' N+ p& f+ T2 r
- STA Bullet_Icon,X
# X. C$ W* s5 f7 f& w# P9 V - LDA #$009 d+ R/ |+ n+ D" G' m' l
- STA Bullet_Direction,X
+ _+ ]$ J/ n p( Q: S* G - RTS
; Y& U5 s. j/ D0 U2 T! i - % e X# p2 i# R8 w3 o+ q0 o
- Bullet_Speed_Data_Ex:! k+ `1 s2 i4 t) h
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
, C" c" D1 }+ D$ [" j -
8 B: f2 h* t& u. R - Bullet_Speed_Data_Ex_R:4 u: D8 M+ D7 R+ g% }! B, O
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08/ |* T0 A; ~" r' `
-
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