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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
2 W0 n% h8 O1 O) [6 ~2 ]作者:FlameCyclone
4 @6 j5 |3 w3 k7 \' ~# }: g3 h内容:
3 D2 I0 [( G) d: G 1. 所有子弹追踪敌人) a. `8 @9 |7 w5 o5 O
2. 选择键切换武器7 L/ ]: G: }9 A
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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flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁% [! V; F% Z" ~1 P0 P2 O
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
& g$ z6 G6 h3 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)3 e; c# @/ x; U4 c4 j1 E
' I3 N9 N0 u H: Q 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) d9 L2 s5 l: o' i& D
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
& L0 h- V& `* U& N( T. c7 Z
7 P; ?7 B" n/ X/ m1 x- Track_Enemy_Index = $6000' L: q% @6 J! M
- Enemy_Index_Begin = $6010& e- F( {# W% W1 O- l
- Enemy_Index_End = $60110 \' o: Z; ]- `0 [3 F, u% f# a' A
1 @+ p6 q/ W N0 W3 o0 f- Loop_Index_I = $6012
- t: b0 k4 g. V A+ K2 c+ N9 i - Loop_Index_J = $6013
; i" ~0 [/ B) {$ v - nEnemyIndex = $6014
( Z! k- h% m f2 A9 a- u - Data_buffer = $6015
4 j. C: Z6 L% M' I
5 l. Y. I5 D* A. i1 i2 h- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
$ f) y% z7 |( x6 Q3 h% l - Bullet_X_Pos = $03C8 ;子弹水平坐标
% e8 I6 F0 q: d2 s. D) H* L - Bullet_Y_Speed = $03F8 ;子弹垂直速度+ S1 l* V( i3 V& C3 s! D
- Bullet_X_Speed = $0408 ;子弹水平速度
- x2 J0 Z7 D9 e7 _& Y$ u - Bullet_Z_Pos = $0418 ;子弹Z坐标
5 I5 E% G# A2 v0 |: a7 Y - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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- 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
) j' ^8 v/ S. w+ A - Enemy_Blood = $0598 ;敌人血量8 h7 W0 g% j6 a" P5 n
- Enemy_Type_Addr = $0528 ;敌人类型3 [& [0 e# u6 r0 _) [4 _( v
- Enemy_Blood_Addr = $0578 ;敌人血量
; z. t# Y2 W" _( a - Enemy_Y_Pos = $0324 ;敌人垂直坐标
4 e! l' T; N; n5 w. V - Enemy_X_Pos = $033E ;敌人水平坐标
! K2 z3 v- W1 G+ Q - Enemy_Y_Speed = $04E8 ;敌人垂直速度9 S% ?0 ~8 R/ n/ g1 A' h, I9 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* Y4 [& H! B4 t. ~
- ; Q8 ]+ ]6 j/ C8 Q5 I; j! V. S6 u2 g
- Enemy_Index = $83 ; c& M1 Y% d9 v( a! d
- Time_Count = $1A& {% ?6 r* _/ Y' j) A" D5 \# H
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率; Q7 {7 Z' K, q' \* k) |
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率$ G- r3 `; D% G$ Q. Q; d& x2 Q
- # {- O9 m- o T$ S3 Z$ n
- : F# B, B0 o8 o$ I4 A7 d) r
- .ORG $6100
" U% `+ C0 E! \+ A - Process_Begin:( C: T1 z- k# y- d& h- t/ c
- JSR Enemy_Check# `* O, _$ W& _. w4 E7 u* G
- JSR Track_Enemy_Check9 J' R3 M# w# y r
- Process_End:! A! I3 N5 q) U! V
- JMP $E54F7 X) l) I/ ^1 e
- 0 M% O3 B0 a: q* |# T" Y+ r
- Enemy_Check:' x8 a8 ^* {5 K! `' ^( ]
- LDA Time_Count
& A1 t( Y% M+ K( k8 j7 `4 n - AND #Track_Bullet_Speed6 x, N. t( V& X% ]* A
- CMP #Track_Bullet_Speed" A$ M1 O: R: G5 m3 b
- BNE Enemy_Check_End
. c" J- v* ?+ z0 K, u - LDX #$0F
0 L' L2 u/ ]( Y, @% f0 P. x8 v - Enemy_Check_Begin:( s; F, I- ]; z
- LDA Enemy_State,X
! C8 o, L8 p7 O& [/ g6 Y, o - BEQ Enemy_Check_Continue
+ J' b* [! i$ G) K) j v - STX Enemy_Index% T0 \ b/ f) |9 }$ \
- JSR Find_Begin_Enemy
0 h5 L$ t' [5 u9 H# d" p& U& ^' N3 w - JSR Find_End_Enemy
6 w3 F$ y P7 S) _7 H8 i; o) m - JSR Bullet_Track
/ p2 B& L* S; C' }9 j. _( w -
+ K& x2 O3 S* R; u - LDX Enemy_Index- r' C9 j" S# i) j( W! c
- Enemy_Check_Continue:
- R6 g4 y c0 U3 ?8 [ - DEX; F% y( m8 E/ a0 e& U
- BPL Enemy_Check_Begin
- F0 \. U4 ~! A. X8 A - Enemy_Check_End:% D8 X% q# J- v5 R
- RTS
8 b! S0 B2 o2 {7 ]1 a& _& c -
/ a. p! q2 v" |) r - Track_Enemy_Check:
: v+ w2 c) m8 `8 h - LDA Time_Count
& \, v% `% S7 V# v - AND #Track_Enemy_Speed
i4 s" ?1 ^. V& |5 A - CMP #Track_Enemy_Speed
" _* z" q$ o: |0 U# a- ] - BNE Track_Enemy_Check_End
6 ]( T( e3 A/ U9 _ - LDX #$0F
8 Y6 C: s3 c' V4 w8 H9 p - Track_Enemy_Check_Begin:
; b/ E: _- T: d. w- A6 J% y - LDA Enemy_State,X
+ t/ Z) ?4 q8 A+ p; }3 U) T - BEQ Track_Enemy_Check_Continue+ v) n( K" i# o) H8 t' w
- STX Enemy_Index
$ t9 J6 T* X; B( q -
/ \9 O; |0 o$ w( V - LDA $40( H9 U. O2 x; }6 L# Z6 \) W8 Y. Z9 i( a
- LSR7 l3 J7 I" B" [" T7 N$ q
- BCC Track_Enemy_Check_Begin_L1
+ p$ L m, e; R! D7 w - ! g" e$ Q/ R: G {: ^+ w
- JSR Track_Enemy_Ex ;2, 4
+ y: E0 Z2 V' D0 t; D6 B - LDA #$00 P/ R5 T" ]! R8 ~! Q9 u& R+ |
- BEQ Track_Enemy_Check_Begin_L2
6 s- C+ i2 I. j S8 k) Y; P -
1 M7 ?; s# D$ }, m N - Track_Enemy_Check_Begin_L1:
: t1 \1 {4 D' N' ]/ z" I -
7 s9 B" `; x* E - JSR Track_Enemy( `* T) F4 m5 N8 g* ?# |+ @
& }/ V4 f% X: b/ e7 ? i- Track_Enemy_Check_Begin_L2:
( X8 @6 M8 s) y -
3 P5 i3 P) R& ] T/ |- C1 S - LDX Enemy_Index
2 a1 e! l* [# d - Track_Enemy_Check_Continue:
( }/ S7 j0 q6 l' t9 V - DEX
P4 @" ^( g* d" O( U - BPL Track_Enemy_Check_Begin
0 f: ]2 H# [; x4 u$ ^ - Track_Enemy_Check_End:
8 f% n, l! z: S# o& ` - RTS9 h. j; X# O# g+ C4 o% e; C. x
+ L3 x* F7 S# f4 D+ S$ q& o- # s. z, l7 s5 H
- ;查找第一个敌人
' B& w( y: E; _: Z( L7 t+ R9 r - Find_Begin_Enemy:
( _" K. R- F6 h' k! d' L1 L - LDX #$00
9 |# {: h2 p! }" L" R - Find_Begin_Enemy_Check:5 w" H5 u; x- Y4 J
- LDA Enemy_State,X1 T: o" t" c, z2 ]
- BEQ Find_Begin_Enemy_Check_Continue/ o1 x) c3 p. H
- LDA Enemy_Blood,X: ~1 t$ o `# @- J i8 z
- BMI Find_Begin_Enemy_Check_Continue" e) ^& Z1 j& Q) |! ?
- BNE Find_Begin_Enemy_End" M$ Y) A; u* S! `# h% F' m
-
; ?/ S+ a( p" J3 R7 G+ l5 W - Find_Begin_Enemy_Check_Continue:
; _+ g' O+ _+ K7 E! z - INX
/ c, x$ m- C- h - CPX #$102 D. ^* {0 A% @- y# r
- BCC Find_Begin_Enemy_Check
( J# H: s9 b) I' W$ x* E( i7 x* U - Find_Begin_Enemy_End:
! c8 d- V7 v7 Z3 X - STX Enemy_Index_Begin5 y& n/ L6 m8 S5 O; ~# j
- RTS
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, l# \; k8 H. r, _- ;查找最后一个敌人
3 p- G; Z9 q7 j2 ~1 ` X - Find_End_Enemy:8 I1 k. A, r! I' w' _
- LDX #$0F% L0 A, F5 l& s' D
- Find_End_Enemy_Check:
) w+ `) T0 @/ ^" S, Q. ~* Q - LDA Enemy_State,X
! p5 E! J& F+ V0 A5 W8 ] - BEQ Find_End_Enemy_Check_Continue
! H' X" h) F2 Y3 B* z2 ?: U; `, C - LDA Enemy_Blood,X0 T( P- w( h- Y8 e+ ~
- BMI Find_End_Enemy_Check_Continue
3 i* E9 N/ m1 K: ?7 B( ~( e - BNE Find_End_Enemy_End! H: ?& C. j* ]1 u* S4 {
-
* D7 O. m& \2 X4 j$ |; ~ - Find_End_Enemy_Check_Continue:
3 F+ g2 R! _; I$ l7 M+ g6 k5 j - DEX
6 r) V* b6 Y; _ - BPL Find_End_Enemy_Check
7 Z+ g4 K2 T5 X7 @5 t - Find_End_Enemy_End:
4 u0 [7 n6 [; J8 I/ v2 z2 ^ - STX Enemy_Index_End
% t A" P% Q) W7 c6 X5 t - RTS
+ y- e. S! u7 `; j$ j+ R) U - / {+ J7 [, Y; s
- ;子弹追踪
: E% j: ^8 y) K8 S+ d1 e - Bullet_Track:
6 v! O$ Q: R' ^ - LDA Enemy_Index_Begin
/ }. I1 r* o" C& c - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
2 q( N6 a: ]* t' |; w E - LDX #$00 9 S% h* X2 K' r: s7 t1 ~
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++). G6 `, }3 o+ R: f0 K, D+ K
- LDA Bullet_State,X S; ]9 [* t( ]: \+ g
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;# w' w5 d0 W- E" B
- STX Loop_Index_I% w0 o t5 P2 N a
-
1 H$ G' w& _1 D( e# r# D! ~5 |9 @; N7 m - JSR Bullet_Track_Enemy; a; X9 c1 a+ ~( m) x
- JSR Bullet_Tract_Direction+ b" c- q* _# t
- " i* O [, U8 w+ y6 U! z; k
- ;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. o; y D" t2 g% _' ]3 R' P; z
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;: c# @3 _/ z1 b
- LDA nEnemyIndex* u1 [7 {/ |# h
- CMP Enemy_Index_End
7 z3 L/ m6 o: X/ {9 d9 | - BEQ Bullet_Track_Check_Continue
7 H1 O" A8 l: }# \3 @& F9 ^$ u: }- C - BCC Bullet_Track_Check_Continue$ h) S/ f! t0 K" n
- LDA Enemy_Index_Begin1 j* ?3 r' P- q1 ?$ U0 @* q
- STA nEnemyIndex
! ~% v J5 x' r( g/ R2 [8 m/ |, h - / @# B1 S1 R" p# ^
- Bullet_Track_Check_Continue:! ~/ Q0 O& m/ ~
- LDX Loop_Index_I/ o" W' |! V# @& f
- Bullet_Track_Check_End:
h9 G7 R8 R: h5 X4 S - INX* _4 K( A+ n6 s$ S
- CPX #$10 e. z' \, k4 p
- BCC Bullet_Track_Check K% B. q4 d- }) {: h) z) v9 T
- Bullet_Track_End:
6 O5 U1 K+ f: d! l# @ - RTS6 C8 q5 E9 v; ~9 d+ |) U
- 1 l: b9 f }+ `7 t B
- ;给敌人分配子弹
1 w! P A X! g& J! T - Bullet_Track_Enemy:
( `; o8 x" o; N. E; g6 x - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)5 A8 s; `- b5 }9 }0 P+ |
- Bullet_Track_Enemy_Check:
8 V" L: T- Q+ o. E; n - STX Loop_Index_J7 H' h* U2 ^, t
- ' ?" u1 C1 C& l% E7 V$ v) j: e" @
- ;if (0 != nEnemy[j] && -1 == nTrack[i])- ?' S4 C- u: d5 c! A/ g
- LDA Enemy_State,X+ [) X, c& h: Y" v2 `: i6 D6 Q) d; i
- BEQ Bullet_Track_Enemy_Check_Continue
4 A. ?; A X4 _- Y0 O - LDA Enemy_Blood,X! j2 c* C7 a( L+ U
- BMI Bullet_Track_Enemy_Check_Continue
' o+ ^+ i3 u$ V& o% {% C8 i- P - - K" r7 v" Q1 A W
- LDX Loop_Index_I
4 N* m' }/ u$ {& _# H) B0 S6 Z1 e - LDA Track_Enemy_Index,X
/ _2 u0 n% S5 {+ c0 D: [ - CMP #$FF
) L7 q6 ~# a0 L: `4 Z; _! T" {# ] - BEQ Bullet_Track_Enemy_Init$ B$ m: s3 ]- ]1 `) w$ J
- , W& S3 C* A; ~$ B! @9 ?/ v
- Bullet_Track_Enemy_Init:- x) m% S! ^2 ]
- LDA Loop_Index_J1 L* }5 b w7 ^: U$ ]$ E; i
- STA Track_Enemy_Index,X ;nTrack[i] = j;. q a& J6 z3 p) z" U# H
- 9 j( d2 G5 ]5 K9 y2 p6 I w' k
- STA nEnemyIndex% }# B4 _6 V0 T2 n7 r
- INC nEnemyIndex ;nEnemyIndex = j + 1;
7 ?$ Q8 v& d- v% x* X - RTS ;break;, ~! X# @7 G& C' h) g4 Y
* [9 V) e. O+ B+ P1 k, X% O- Bullet_Track_Enemy_Check_Continue:
0 s7 u' ]6 @0 n& F) s0 U - LDX Loop_Index_J0 y3 y; f5 q# o$ i# G: R; i
- INX ;j++; E, H- s( c% Y! x% S% s+ T
- CPX Enemy_Index_End \$ K' F7 Q8 n' k/ E
- BEQ Bullet_Track_Enemy_Check
- ]) {. z2 l# G+ j/ W& `6 k w - BCC Bullet_Track_Enemy_Check
' w4 B, \3 n# P6 ?; ~6 u - Bullet_Track_Enemy_End:: x7 V% g5 N8 a8 L, |+ [* }
- RTS, e% H, `, N$ V' O6 F
+ T; a( Y( r& h7 m( n- Track_Enemy:4 m) }9 T3 U$ f' i4 B& l$ ^' y
- LDX #$0F
' X: F% E. q. W$ f0 v' h# o6 y - Track_Enemy_Begin:3 I8 e+ v+ D, x
- LDA Bullet_Icon,X, ?6 m) P( M; c- c, o
- BEQ Track_Enemy_Continue/ k# l4 ?2 c) F* i8 P0 c' _: I* t
- LDA Bullet_State,X5 D8 Z. Q8 p E& D/ c
- CMP #$014 q+ T7 g$ f, ~4 {5 L9 [
- BNE Track_Enemy_Continue# U2 M5 }- s9 \: f, s- R8 d6 j
-
4 S* T! s# W+ e6 s+ X( | - JSR Track_Enemy_Process2 j5 C$ y; b$ ]
-
2 N0 u# r4 J/ Q, f - Track_Enemy_Continue:
# w6 B- H) y0 y* ~8 {) ]7 a! V - DEX
2 h5 @ |. ]* r1 s - BPL Track_Enemy_Begin- S' ^% o \+ s& W( d
- RTS C! y! @8 x l4 O6 E) o0 _
- + a6 x9 h5 k' K3 r8 t3 g' H
- ;普通关卡5 ^4 f7 v4 r+ `" p7 [1 P8 g
- Track_Enemy_Process:
: q j* W) o; s+ U' |, K - LDA Track_Enemy_Index,X# b3 M; ]: X o8 S, h
- CMP Enemy_Index. f( W/ S/ c, d$ j2 h
- BNE Track_Enemy_End# X$ h% p: h. K7 k
- LDY Enemy_Index
) A+ t9 q) G6 L1 z! Y; c - JSR Track_Enemy_Y* l+ c) ], `- ?7 L- }
- LDY Enemy_Index5 b6 q1 i, v t. s6 y! k
- JSR Track_Enemy_X( x& @1 _9 ~% g; q5 ~! ~
- Track_Enemy_End:
. z7 q/ n0 ?9 f: r3 ^% t - RTS5 e. H# q7 n A) d9 f
-
7 ?. L9 v0 ^; y/ u - Track_Enemy_Y:1 [. V( \ s( {% E# ?" e i, _0 |
- SEC
* w( M' m" R8 Q% T - LDA Bullet_Y_Pos,X! m) _! b; T. S0 E# k0 q$ s
- SBC Enemy_Y_Pos,Y
4 H5 N! _- o* J- ? - BEQ Track_Enemy_Y_Equal& P: i3 f* J6 \0 x9 ?+ V( S, e
- BCS Track_Enemy_Y_Greater
$ w+ l! I& S; H1 W+ c( O) K# Z -
7 L9 t7 b) Q) B! w! C - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
( }# g' y: x3 b. S - CMP #$FC
! g* h1 h9 c6 y# M8 F, n - BCC L1_1
+ m# y2 A) J+ v - CMP #$FE8 b }$ X) f) k5 u0 T! v
- BCC L1_20 t) [" C% w; R4 f
- LDA #$00 Z) n5 Z2 [3 |4 r* O! R
- STA Bullet_Y_Speed,X
- { y1 W- G$ N5 C, R; [" m+ O- } - RTS
: E2 Y2 c0 W3 _ - L1_1: 4 l& V ]- h* w
- LDA Bullet_Type,X
; Q9 O5 [. R7 C9 Q - AND #$0F
, W0 ` c% p6 u4 P# e - TAY
, ~ A$ W# J: h! w, c" A! p - LDA Bullet_Speed_Data,Y
% X8 s( G/ t) k& G$ u - STA Bullet_Y_Speed,X
5 _2 T/ \' {/ b s5 T1 P - RTS
8 l* }/ S$ E* z
- L& l& r' d/ g* u0 \7 [- L1_2: + e1 o! }: a; A
- STA Data_buffer
6 [) l& d4 J$ v& u7 ~9 ?1 X - LDA #$00; v1 J2 C$ S$ A( V8 t
- STA Data_buffer
5 r0 ^; }" J, @+ h2 A' J' Y$ T - LSR
, a5 N) p; r. x! [ - STA Bullet_Y_Speed,X! h* b1 J( @+ B
- RTS1 g3 K6 I/ Z6 [* T
- ; M, @( l) J1 Z, Q9 `! H: x& ?
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y1 Z1 R0 F7 B9 g; N# b
- CMP #$04% v( |9 w. ^, G2 {- G
- BCS L2_1
) J0 J0 X% E9 X8 S9 L/ J6 L - CMP #$04
) T9 E# B6 ~: L; L6 e - BCS L2_2
/ o9 K' O7 Y# ~/ M9 I$ x - LDA #$00$ s) p8 q" j$ M" j, ]
- STA Bullet_Y_Speed,X# b; _1 e' p1 A) h, Z1 |
- RTS( W, l1 f. ]+ T7 H1 l* H. @
- % o6 J+ b0 |6 j4 q& U) D
- L2_1:8 J; {! D4 `$ S( f8 v1 }9 M+ I3 t8 I
- LDA Bullet_Type,X
6 \7 }4 i' x" u! a8 ~* u - AND #$0F
; o. p( r I4 ` - TAY
/ A0 x: |: E8 k5 v - LDA #$00
2 [ u( l& z9 R% p7 y' D - SBC Bullet_Speed_Data,Y
. W/ N' p' c. J. \5 ~ - STA Bullet_Y_Speed,X8 R1 ]2 a1 S* d" N- ?. i5 L
- RTS! J) x# C9 {! D [2 V
- F7 x+ Y& d+ A
- L2_2:3 X4 ]8 e& r+ r$ m+ ~7 A* ^5 `
- LSR/ Z5 O5 D# B' l/ t0 }! f8 G& ?1 y
- STA Data_buffer
/ f1 ]7 U; v' A+ q7 q& i - LDA #$00
$ q/ X$ K! \9 w: D- w2 S U" L - SBC Data_buffer- e0 p1 z z8 B8 Q, k9 K) f ?
- STA Bullet_Y_Speed,X0 e; D) f% z$ u
- RTS( e2 H: X+ G: L5 Z' x: \4 T" Q
-
: y9 S5 K* U D" t6 D3 E0 D - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
% d! Y t( L; M c/ p - LDA #$00
' ?4 ]0 ^& |0 B* C0 _8 ~ - STA Bullet_Y_Speed,X
1 C3 W8 b$ A S2 }+ b- V+ V - RTS
F! e5 S+ C6 }( @$ q2 V5 L$ u -
8 O. V* U7 b. m+ J3 U2 L5 w. m - Track_Enemy_X:
- r ?/ M4 [ |' v/ a1 ~ - SEC. l3 y( }3 ] ? e
- LDA Bullet_X_Pos,X2 N W- S. C, ^- d
- SBC Enemy_X_Pos,Y
& E u- v& r% b - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
- Y, l6 J1 Y4 q" O, {2 h* L - BCS Track_Enemy_X_Greater ;子弹在敌人下方
1 v8 z& e3 Q/ S0 I -
" K" n/ A% p9 j- b V - Track_Enemy_X_Less: ;子弹X < 敌人X7 P2 h! p. D$ r4 i6 p' a: k- y5 D
- CMP #$FC
: s( v+ ?2 ?2 x3 S! R - BCC L3_1
( z! W# m; `9 \! p) Z - CMP #$FE
. v' E6 U3 L4 c9 H" d - BCC L3_2
3 v: m7 t- P% w$ _ - LDA #$00, y$ S# z6 q2 y: |3 ?$ a
- STA Bullet_X_Speed,X
$ b2 k! s/ ]- p/ j - RTS9 g9 y1 d' ^8 P3 ?
- L3_1: 1 I% ]8 R4 k ^, c/ \
- LDA Bullet_Type,X) b6 ]7 U. _8 Q+ G/ `% V# S
- AND #$0F
0 x4 B- h& U9 _* N$ p+ R6 \7 V - TAY
/ X G- _' Q7 c6 T3 A" n0 ^8 ^ - LDA Bullet_Speed_Data,Y
" A- f2 }, g* {% M. y$ V+ g - STA Bullet_X_Speed,X
$ n- _! m6 b. s$ G# x1 Y - RTS: Y+ {, O; E- x2 ?; c( h# G1 D# H
- L3_2:
' C0 l* l/ c# y" M6 y) F8 H - STA Data_buffer% Y% [6 ^" p3 v- s/ ]6 z) D
- LDA #$00( E0 N& W$ H3 Y1 p& U
- STA Data_buffer+ e9 o' ?) T$ s" b. k
- LSR
6 f6 K M' O0 W - STA Bullet_X_Speed,X
. \& S# [2 l! o. e - RTS5 f6 j% r/ [9 l& M1 Y; r, B
-
& D; A8 F. V/ K) N, {. O3 _ - Track_Enemy_X_Greater: ;子弹X > 敌人X
- f @! \2 C5 I/ N: m Y) m$ o - CMP #$04 ?5 t3 F6 r4 n" A% |
- BCS L4_1. N5 d1 ^ H% X9 v. i- X
- CMP #$02
5 s9 k3 C" s; T! A - BCS L4_2
7 h, Q% Y4 y: A5 Y - LDA #$00
9 W+ Z% d+ ~! I7 g - STA Bullet_X_Speed,X
3 v# Z, b& j7 p7 F- b( E - RTS2 C: z8 X4 n. B5 t
- & i! [' \' V. y1 P2 B y/ X
- L4_1:
" ~# Y. ]2 M# y" F$ L: v, q- Y - LDA Bullet_Type,X
) @, B$ ]6 k. |; \! d - AND #$0F, Y; U1 \6 q, b5 J$ q+ M/ ]
- TAY
3 N. s# |2 j5 W* @9 N: V - LDA #$00
, j% {9 d7 k# [ - SBC Bullet_Speed_Data,Y
0 D6 b8 }9 ^8 j; [& I$ s - STA Bullet_X_Speed,X
- B8 @6 ~& M* ^' V2 ]: S - RTS
q+ w/ a- I9 Z8 L$ } - L4_2:
! T, S- j$ S) ^ - LSR0 b3 r( b5 G" C$ Q8 \1 [. Q
- STA Data_buffer
( J, p) n- o! c7 d* V - LDA #$00
, U& D1 L4 {: I5 h - SBC Data_buffer* u5 r' z, p7 I& b5 D
- STA Bullet_X_Speed,X2 @# v! l% [8 \$ z) R+ ]2 j
- RTS
/ |6 w" l+ X d" t7 {- q - ( P x' W5 x) W6 h+ T0 A% ?: [
- Track_Enemy_X_Equal: ;子弹X == 敌人X
8 ^+ v2 T* d2 [( J - LDA #$00# i/ D. @6 k6 V; q
- STA Bullet_X_Speed,X* ]0 s2 e! U2 n! n- l# Q4 y# B
- RTS
% r9 @* ]5 m0 S6 U: O2 n% P6 g -
! I# W8 ?% w% P3 l2 p0 p8 J5 ` - Bullet_Speed_Data:
" P9 ^& R2 v4 @7 I8 N& T - .DB $00,$03,$03,$02,$03,$03
# L: j$ n. U* u1 r - 0 o( m6 l: [% F, D5 L
- ;2, 4关* F) [% j( g4 B M. _, @
- Track_Enemy_Ex:; Q& n/ N+ T o3 d2 h
- LDX #$0F
' Z/ \4 a# \( R5 x9 N( F* S - Track_Enemy_Ex_Begin:8 @4 G/ F# F5 k' r1 h* ]+ O
- 2 E0 ?5 f) \( S) P( z4 m8 P+ v
- LDA Bullet_State,X2 [3 v5 N q. Y; ~+ X+ |- u" a
- CMP #$01- Y% M- F2 J3 b. m0 d! q" d Q9 X
- BNE Track_Enemy_Ex_Continue
: Q* X: W9 a0 W* z - # |' _3 _$ w$ s3 R* c. r
- LDA Track_Enemy_Index,X- [* B( ^' [3 |* T2 X) L9 @
- CMP Enemy_Index
- h" l0 i& ~7 B; \! f# n" [+ e - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
w L9 ]2 J3 w -
$ @! c8 C) B0 Z! C. o# f - LDY Enemy_Index
8 r& f @4 E5 e$ q! \ - JSR Track_Enemy_Ex_X$ d& g+ @: E0 V8 c2 f
- - t( r/ z/ R u6 v9 D! m1 d
- Track_Enemy_Ex_Continue:! t5 e2 Z% A( F6 A! D
- DEX [4 @# C. `0 I' y
- BPL Track_Enemy_Ex_Begin
) z! H) i* X1 O# Y- L - Track_Enemy_Ex_End:
0 l0 e7 j% h+ p( F9 o: n - RTS
* `( x) Z& ]9 b" @ - 4 A) Y4 g% [5 b" `' p1 H( V
- Track_Enemy_Ex_X:0 d! B+ @0 A: l. F6 G4 e/ w
- ;LDA Bullet_Z_Pos,X
: Q3 ^; y' F& z. p - ;CMP #$04
/ F; ^) |* K) L) c - ;BCC Track_Enemy_Ex_X_End
' U, Q8 h; T' L! } - SEC
' l8 b1 k* U+ H# l4 O0 G" Q0 o - LDA Bullet_X_Pos,X7 J. D: M( F" e6 Y- B' R
- SBC Enemy_X_Pos,Y9 q# \2 P# z9 s2 V
- BCS Track_Enemy_Ex_X_Greater. o: p: c7 k0 F
- 9 e' q( @! {- m! c" g
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X( \$ F' J! N( o* J+ z
- CMP #$FD
# |2 O3 r$ o- s( ] - BCS Track_Enemy_Ex_X_Less_End
# u( Z, `3 m: m1 t7 l4 | - LDA $6020,X
% O4 u/ u# @, ? - CMP #$2A! @/ p+ G& V# o z4 F8 N* b* i7 }. k
- BEQ Track_Enemy_Ex_X_Less_L1
9 ], l( \3 X2 I8 K. l) i2 W+ ] - LDA Bullet_Z_Pos,X
: Z* Q9 l5 c- `; T( ] - LSR) T$ E- B, p$ b1 H7 l
- TAY, ]2 k. O9 W$ H2 h/ {+ @! I" u& V- C. F
- LDA Bullet_Speed_Data_Ex_R,Y2 l2 h& o8 ^' X; {) r G6 v# z
- STA Bullet_X_Speed,X
+ K; K2 a4 n# U3 { - RTS/ j/ {) H+ O: h5 G7 c, S
- Track_Enemy_Ex_X_Less_L1:
- |3 X2 s1 O; l0 J" f1 f
3 q, l' Y4 ?& o- f! W- LDA Bullet_Z_Pos,X: D/ J. f- X2 B1 o" F
- LSR
% |; |/ h" ]2 f6 _& q - LSR
7 u: m9 ?8 I3 t# L$ u/ R0 d$ l - TAY3 D; |; k: M, M. A3 L e0 `+ H
- LDA Bullet_Speed_Data_Ex,Y
4 W2 u Q! R! k2 e$ {0 b$ R# e' J - STA Bullet_X_Speed,X: u6 ~$ b: L- P$ S
- RTS' |) z( u' P* E" h6 M
- $ v/ b6 v. h) p# p0 M; e! d4 I
- Track_Enemy_Ex_X_Less_End:
) e( }# B( G, k - RTS' D# u% m& ?) H6 W( k; r) o
- ! l3 g5 Q2 L: [ e. j- R
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
0 Y0 z2 }/ b% g5 r8 t; o4 B - CMP #$03: e+ [! w& v: |; l8 `
- BCC Track_Enemy_Ex_X_End
3 ]' O, L( p1 k- [" x - LDA $6020,X
: j9 S* V+ L: Z# N - CMP #$2A
% t3 W+ D5 L9 u) V2 f1 \; {; U - BEQ Track_Enemy_Ex_X_Greater_L14 ^% p; G1 M2 X
- LDA Bullet_Z_Pos,X+ ? B G% Q" a. A
- LSR
' D6 D/ D+ N) B - TAY
9 C( |" ^+ e6 h, i; W/ y; r1 L- t2 l - LDA #$00
- c+ |+ L) G7 f4 h. d - SEC
- R7 i/ @6 A4 W; ]: R2 u' F% | }1 O - SBC Bullet_Speed_Data_Ex_R,Y
* v; \- k( {) F5 j - STA Bullet_X_Speed,X
z1 G, w6 a7 i: J0 f0 T% ^ - RTS& M8 x3 n& E5 Z( z9 M. ]
-
; L+ p. l' E% j2 g# e - Track_Enemy_Ex_X_Greater_L1
6 x& E9 T( i2 L; D; U/ w- a - LDA Bullet_Z_Pos,X) ^5 _, U: M- \' i: u; ?$ R& G
- LSR
! t6 r0 N" w4 i% M - LSR* e% E6 s* v& X: ~( K
- TAY
0 E: W" T' s* z - LDA #$00
, i3 N3 \) }9 ^ - SEC
- p5 n( H3 v) _! @. P) W - SBC Bullet_Speed_Data_Ex,Y7 X2 m1 h% ]$ W) O2 G4 g0 W
- STA Bullet_X_Speed,X* ] Q& d! n9 q" v3 N
- RTS
: _( b$ `# ^% o% O -
& I" j, q1 w/ t3 y8 I - Track_Enemy_Ex_X_End:! o$ i+ e; x$ _7 Q6 M$ P, m2 l
- RTS
8 E5 \; ?& A! _( w3 `' @: T7 N: [/ k0 b - 2 b" {6 h* D( p% A& D& y8 ]+ p
- ;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)
; G3 G1 S2 I3 Q/ d/ b2 h7 V - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 N0 @, Q) ]* F8 P4 n% k0 I
- Bullet_Tract_Direction:
* w9 P6 F2 K, ~8 K4 P- t, a - LDA Bullet_Icon,X
$ b$ j& Q9 i3 N - CMP #$23
! J; ]* v4 ^. p+ z3 m2 `0 k - BCC Bullet_Tract_Direction_End8 b2 M% N5 D- ^( G$ @. G8 V
- / B# E2 j F; s3 G9 @$ y
- ; X != 0 g( K$ `/ {$ A9 L' |0 F" L! R
- LDA Bullet_X_Speed,X
+ Q- S; K; ^7 y' i, G* W - BEQ Bullet_Direction_V
: W3 F' c8 v, W& q2 ` - $ x' t2 h. O* H; v1 x i7 P4 P
- LDA Bullet_Y_Speed,X/ A/ C! `- `: u) ^$ C; g* q3 Q
- BEQ Bullet_Direction_H0 c& e; g7 `; }4 Y; }7 z; G
- ; C$ G; W" E, s: v6 M1 ^& U
- LDA Bullet_X_Speed,X0 ?. i! i; n$ ]* G: l
- BPL Bullet_Tract_Direction_Right# {6 x8 P' k! p- a/ x, ^2 l3 u
- Bullet_Tract_Direction_Left:) r- c, B u, n6 X
- LDA Bullet_Y_Speed,X+ F D1 u3 ^9 K5 a6 ` P: I
- BMI Bullet_Direction_Left_Top7 R- R- J4 X0 b9 A" b5 V
- BPL Bullet_Direction_Left_Down
8 ?& C$ v& R/ z2 I - Bullet_Tract_Direction_Right:
, h( E8 M8 D2 `! R' q7 F - LDA Bullet_Y_Speed,X
9 A( C8 c1 F; k% A. ? - BMI Bullet_Direction_Right_Top9 B7 w- ~# Z/ Y% P
- BPL Bullet_Direction_Right_Down# m" K. S! k c# F& b
- Bullet_Tract_Direction_End:) O5 b2 l. ], Q6 x j- u6 y1 |
- RTS4 W2 c( A v: V! o: a7 C* e
6 o* [& ?. W% {% e. v/ k ^% t- Bullet_Direction_Left_Top:# W$ S* S9 W6 E D/ _! H6 g" B$ M8 t
- LDA #$25) `' m r$ V3 [' ^
- STA Bullet_Icon,X
- x) [3 ?% M6 n2 J+ w - LDA #$C0- H7 ~, w- N% o& z5 L( J* v
- STA Bullet_Direction,X
3 K5 U: y1 r1 A - RTS
# p/ K+ C: V! n7 G1 Q( G' ]
5 l8 l8 w8 z; R& w2 l- Bullet_Direction_Left_Down:7 i* ^6 w# |. M+ I8 y- |! J( Z
- LDA #$258 m) y0 x, ~! z6 O' w
- STA Bullet_Icon,X
7 y; h7 R$ ]; G- M- O1 r( W# w- X - LDA #$40
+ i) \3 n# N E+ ~4 k4 K- F/ f - STA Bullet_Direction,X/ C8 z6 N$ K' B4 n( s( p
- RTS# k: Z9 R: W3 k8 l
- W W1 a( A: w7 ]4 c% H- Bullet_Direction_Right_Top:
& @9 w4 w9 c8 G/ S- U$ B9 o - LDA #$25
# c5 _3 f @/ G3 {6 Z9 M' F - STA Bullet_Icon,X4 c/ B6 P' X$ I+ u( _; m; R
- LDA #$80
, u1 \& W" H% [& K6 b' I - STA Bullet_Direction,X9 ]) I6 M8 s3 @0 j7 p
- RTS
6 r* \1 x0 S; `2 y9 ?, m - 3 O& N5 W. X$ h( ]
- Bullet_Direction_Right_Down:
0 R( o% o J; s1 A& @: n8 }/ ~ - LDA #$25/ g; {1 s# O% M4 ~! |% x1 v' u
- STA Bullet_Icon,X
- F0 t B) U N1 q+ e; L - LDA #$00" Z3 x8 c* n6 a( G* ~% y1 r6 O
- STA Bullet_Direction,X
' d! T7 P2 S& b5 J: }1 x - RTS
: @: {! i) \$ W2 o6 g - 8 Z2 a" D: @6 _& n8 M6 E
- Bullet_Direction_H:
7 M% w) N% H0 z# J) j% z" A, W7 k - LDA #$24+ Q. G& K- i7 s+ U& B8 J1 M( z
- STA Bullet_Icon,X5 j& w( h4 ^( n$ Z8 y
- LDA #$00
) t' G+ L7 Q+ f" I$ ^( b - STA Bullet_Direction,X
. z, A4 ~& k4 ]1 f: V - RTS* y' m- a: B0 b
- " J* t. @1 m% L# l$ `+ d! V8 J, k
- Bullet_Direction_V:
# n& q7 d) ~' H4 t - LDA #$23
4 j( S N# e/ j3 V( g - STA Bullet_Icon,X0 \7 {5 @. ?+ @+ a7 A3 a
- LDA #$00
, p5 Z0 R% @) y- z4 x6 S - STA Bullet_Direction,X
( @7 u$ \9 T! H6 g - RTS+ M3 K; w9 L4 y( ?2 n
" m' b W! s; P P- Bullet_Speed_Data_Ex:4 U) M- @! Y( f- j, i& k
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
6 s; J1 K/ O H& O8 c2 @ - 7 U) j/ B( f' D, N O
- Bullet_Speed_Data_Ex_R:
a& } H, o& p# Z7 H" A& B0 Z7 _ - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08! y* A: x: G( h, _) G5 ^
-
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