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[FC][魂斗罗][J][追踪弹]! |- a- {' Q9 E1 G. E: S1 |" l: ^
( q9 x: Y2 u' P# C' ~1 N2 ?7 q- n o
时间:2023.04.30
" b2 \! l6 M6 l" L3 y作者:FlameCyclone( v0 h) K$ @& B/ p
内容:
& f) n: y% |8 t, \' v% j, q2 e 1. 所有子弹追踪敌人5 j1 w4 V& ]& g1 U
2. 选择键切换武器$ R; O: Y( h* y6 t! H; 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# P y _1 o- e! W" _8 Q$ [( d) s
6 g* N+ D( r* A) \flamecyclone.ys168.com/ I3 T7 S* l0 ?5 x; l1 ]' \

$ X6 X" q) K0 w! ?- ~- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. X7 ^- s [% N2 Y* x- j/ Q' @ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L3 ~* M% {8 i' h2 x0 @: Q2 N
- 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)9 l; b" H; Y& v% h) ^
- 7 @* R3 e7 Q& l, p8 a1 u1 q& z5 h
- ;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 ~6 c( [( z( n- t( K: W7 ?* V
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
3 ]/ V( Y4 {& H) y3 f9 w
2 b$ B7 {( \/ `3 Q- k4 L5 p$ N& O- Track_Enemy_Index = $6000% c" |$ c5 N, X' t) n6 I& m
- Enemy_Index_Begin = $6010
, p: G5 ~- M7 v8 O# f1 `, b; j1 U - Enemy_Index_End = $6011: J2 ]8 K& Z) W" j. y5 ^* ~
- . I- e9 b0 l4 L/ V4 P, H
- Loop_Index_I = $6012
7 ]6 p1 w) Z' C+ q4 O - Loop_Index_J = $6013
* q( I0 f+ U" I4 h0 u - nEnemyIndex = $60143 _$ m; H1 z# E3 L/ u
- Data_buffer = $6015- _* Q; V8 l/ o! e! S/ Z2 D
- % _8 B3 P) _. h& w
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
4 F. d3 q6 p( m7 n( ?* b! B; S, V - Bullet_X_Pos = $03C8 ;子弹水平坐标
- W) M5 X8 z2 d# o3 T. R! \ - Bullet_Y_Speed = $03F8 ;子弹垂直速度) l3 J& o8 v% L6 D4 k7 ], ^7 Y- H; u
- Bullet_X_Speed = $0408 ;子弹水平速度
' o/ r/ q( a& \; V* O5 v/ N - Bullet_Z_Pos = $0418 ;子弹Z坐标. F$ c$ o v8 t$ q
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
! { [2 D2 C! \3 u a' x4 }5 G - ; j* O9 I8 r8 D- {9 j3 p& ^9 T
- 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
5 E# n8 f2 o# _+ _- R4 t* R - Enemy_Blood = $0598 ;敌人血量( J9 Y: q. n; e: S* L5 d$ s0 k9 p! w
- Enemy_Type_Addr = $0528 ;敌人类型
5 D( |3 I/ Q- d/ n7 H; ~8 g' p - Enemy_Blood_Addr = $0578 ;敌人血量
0 D) r8 Y- M4 d ^. N; S8 } - Enemy_Y_Pos = $0324 ;敌人垂直坐标8 f: }: l0 ~1 c6 O$ P$ m/ T \
- Enemy_X_Pos = $033E ;敌人水平坐标
2 W1 h# I+ v& y" w( M4 B! I3 T7 p - Enemy_Y_Speed = $04E8 ;敌人垂直速度1 r; Z1 J! v K# U5 c1 K9 a8 L
- 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4 d7 w8 d5 \% m3 X/ W8 v
6 d( V4 D" j2 G! U3 o- Enemy_Index = $83 ;
/ ^0 _+ G+ r1 n! y, \, b& {/ M) r - Time_Count = $1A
1 i7 |6 W0 [8 t! t7 _* p! d - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
4 K; E$ L: J; Y" \ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
8 Y# R0 B% a ~# i. ~7 S - " I( x3 l9 Z/ N; t
- ; z/ P- D0 I6 H
- .ORG $6100; x, ]! p, t+ Y2 q" H" d
- Process_Begin:
/ s3 ?7 d ~' C- D' ` - JSR Enemy_Check; k% n* Z: Z' V: e) z k7 n
- JSR Track_Enemy_Check
' x" n& o, W' t q' | n - Process_End:
/ H; g/ h; U4 ^' V - JMP $E54F
0 i% F/ L' E/ `
. y! A5 H# n( b9 P* m3 k- Enemy_Check:" O1 y2 R2 s# n/ v7 F: w$ y( `* m
- LDA Time_Count
7 k. S. v- K* e, d; c O0 F - AND #Track_Bullet_Speed
. N5 B( I: t4 U4 e8 Q# j. T R - CMP #Track_Bullet_Speed9 M; M0 ^0 u& B+ J- Y0 } A2 N _( ]
- BNE Enemy_Check_End) H6 C% M( X7 y* \# Y9 O0 M" z5 v
- LDX #$0F
" G# R+ j7 T' e6 k - Enemy_Check_Begin:- G3 b9 S. I* i! F) V, @3 Q: c/ J
- LDA Enemy_State,X+ M6 ? C I6 a) D& j' ]' \8 s
- BEQ Enemy_Check_Continue: j3 w/ |; u. n y+ j8 B5 I
- STX Enemy_Index: u; a! ?- O, n% Z3 Y% t
- JSR Find_Begin_Enemy9 S; g& L6 E) J) S! N
- JSR Find_End_Enemy1 A+ l* e$ n8 ]4 H0 e! W( c
- JSR Bullet_Track3 c. {1 B8 b' z) v
-
( U) k" b# U+ J- i- h! z - LDX Enemy_Index' P# A* B0 V# v' a9 x& `$ W T
- Enemy_Check_Continue:% s. _0 r6 t& ^
- DEX
0 Q1 S4 t. y! x7 L* Q" N - BPL Enemy_Check_Begin
* o5 G2 O, n" ~! d8 G5 m+ y - Enemy_Check_End:- k4 q' w- H h9 K5 J$ N3 z" W8 S
- RTS
& R% ?1 a! \0 P. [% q - ( Z3 I3 {2 L: N
- Track_Enemy_Check:
F( t. a3 e/ q" r - LDA Time_Count- L2 T+ a- x5 F* B4 W$ r
- AND #Track_Enemy_Speed
8 c3 a; o7 e7 N3 c' Q+ `- |: N' q - CMP #Track_Enemy_Speed
5 N2 {7 z( K w8 B7 I! s$ X/ Q - BNE Track_Enemy_Check_End
( Q( q, e1 N. o, g - LDX #$0F. X5 }& c' ?. B3 i" |
- Track_Enemy_Check_Begin:, G/ F3 g& l' q) o% ^3 }
- LDA Enemy_State,X
- R( R4 f; w/ X( m; s9 _/ \; W - BEQ Track_Enemy_Check_Continue( C, ~6 ?7 G5 _0 B' Y7 F/ j1 K% V6 U
- STX Enemy_Index
. ], j9 ?" ?6 `: m2 x - 0 t* v* W. F q' j3 z C( j7 C
- LDA $40$ o1 K* m8 ]" B% ]
- LSR
5 H# O+ [1 |8 R6 m) a% U - BCC Track_Enemy_Check_Begin_L1
) v+ T5 M' V0 w3 ~+ S -
8 P! K( L- `+ ?( K/ u - JSR Track_Enemy_Ex ;2, 4
9 w3 @ {4 |6 ]1 p - LDA #$00
" B& R3 ~0 T/ L3 m9 b' e - BEQ Track_Enemy_Check_Begin_L2
S- k0 T# {1 ?; l- ] -
$ w# _" u$ o2 i1 ?" V8 J) i - Track_Enemy_Check_Begin_L1:- S: l8 _) D# B$ G! `
-
- O. R }: E7 `8 Y g7 W8 h; H) V - JSR Track_Enemy
# ]" i" C( y; Z6 A* T% E) t! H
5 X# Z5 Y& m' i4 u- |$ [- Track_Enemy_Check_Begin_L2:: Y7 r' O3 s( [5 K- o
- * Z6 U, l" {$ p
- LDX Enemy_Index F- H2 F6 t! s
- Track_Enemy_Check_Continue:
% \( e9 v% x4 d# E$ \" B9 P - DEX
" |7 f1 y J0 h' B - BPL Track_Enemy_Check_Begin
7 _1 W4 [; u% u" S+ M - Track_Enemy_Check_End:
* a! |+ M/ l$ ^% [ g - RTS4 n3 {7 Z, D! @9 q% p0 M1 I# J
- - Y% o Q3 X% p
4 r. K; U8 s' M5 m- ;查找第一个敌人
7 E" x5 z, E' t" h. [1 I. `, W3 l - Find_Begin_Enemy:2 p2 P# O- O0 |/ o1 G: E& u
- LDX #$000 p. i7 }# ^) h" r6 v8 n- p' g% j
- Find_Begin_Enemy_Check:
8 n; p( e) f$ s/ b - LDA Enemy_State,X* B, P M. F ~5 D: N
- BEQ Find_Begin_Enemy_Check_Continue( }8 H- w0 B. R- ~
- LDA Enemy_Blood,X9 J" T# k' ^* \$ f( N, T# X
- BMI Find_Begin_Enemy_Check_Continue& Z8 @; M$ k/ @
- BNE Find_Begin_Enemy_End
: `# b, X6 L9 `% J& u -
5 H1 x6 @2 `7 A) C3 V. q0 K. h - Find_Begin_Enemy_Check_Continue:; ]6 S: T- H! `% _6 R
- INX
: ~* {2 I+ D# G, \ - CPX #$108 }' `- s1 ]" J1 y3 Q( m# `% ]1 s0 @
- BCC Find_Begin_Enemy_Check5 E9 a1 i S2 d7 C' D7 T I
- Find_Begin_Enemy_End:
9 O+ v, c! c/ [" n8 o& g8 }$ `5 D! S - STX Enemy_Index_Begin
" {& W B0 Q4 ^" p! A8 i - RTS
" u' P4 T# @% Q& ^. I& V! g - 5 O) S i1 P7 N2 |' D9 p
- ;查找最后一个敌人5 a8 [: z% F, n" R, s+ f$ |
- Find_End_Enemy:, ?2 @) ^6 Y3 Q+ ?* h" o, t3 V
- LDX #$0F
: w1 E6 G# k8 X. ~ - Find_End_Enemy_Check:5 x k: |. R \0 R, m
- LDA Enemy_State,X& W" b3 @ f, Z$ B
- BEQ Find_End_Enemy_Check_Continue
8 s9 N3 C+ g# {/ E" ] - LDA Enemy_Blood,X
" `$ r- R! m8 ]# a& L - BMI Find_End_Enemy_Check_Continue
X M( R+ l9 C# C3 M' k2 u0 U! N$ ^+ _ - BNE Find_End_Enemy_End
! @# y2 f) m3 _4 d% e - 5 i: w- m" I; X' f$ x8 u1 `8 x
- Find_End_Enemy_Check_Continue:
) F- u3 D" Y$ n- O+ | - DEX
# D1 C) r2 j% [& g - BPL Find_End_Enemy_Check
: X: a: y6 A* Q+ p - Find_End_Enemy_End:9 \# ~, R. \0 ]% u4 N `2 G
- STX Enemy_Index_End
; P( H* x1 T! W6 i V/ q - RTS, ?5 C2 s7 B1 E8 p" H
6 ^2 j$ C5 V- E- X% A- ;子弹追踪
8 F( S" U9 N5 B) A/ E% o - Bullet_Track:
7 z5 Z: O M( S/ f+ L - LDA Enemy_Index_Begin* o1 n, r7 z* I0 _
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
+ k# T( l2 l3 Z7 d2 `4 i, K9 V& X - LDX #$00 $ f- ~. w% e2 Z ^" F, s# n
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
5 V* j, D) J7 x/ z [ s& L - LDA Bullet_State,X+ L6 z7 w* i* [. U) M
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;* h; q5 [/ V+ s0 |% Q2 `* n* ?: N( A
- STX Loop_Index_I
6 e$ g$ [/ `4 P5 O - 1 w' k; {! ?- M: [& i
- JSR Bullet_Track_Enemy! }6 { \' u6 a; E
- JSR Bullet_Tract_Direction: ?6 K/ X9 k4 z8 u6 T& }
- a/ O! y6 M, w M$ ^
- ;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3 x' C) @9 E) j U
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;6 e& K# c5 A/ v% z, V
- LDA nEnemyIndex
: O2 A" A H! f- p1 B5 w& ` - CMP Enemy_Index_End
$ u" ^; R& K6 o) A5 t - BEQ Bullet_Track_Check_Continue" h( u) D. D* l6 j; s
- BCC Bullet_Track_Check_Continue! ]# F7 k6 O u
- LDA Enemy_Index_Begin: P& }0 C- ^1 S' `/ m2 w# ~
- STA nEnemyIndex
+ Q. p: T+ w. |+ P - 2 Z9 E5 w, e6 O& T: g( F
- Bullet_Track_Check_Continue:9 M$ j5 w$ F2 J% L1 j6 y
- LDX Loop_Index_I# F9 ]- u1 W; N! Z4 F* O
- Bullet_Track_Check_End:5 v' o, R# e+ W4 p3 i2 k
- INX
2 o L# L8 r; W) d2 \7 j, T - CPX #$10
; Q Y5 K- O0 G" ]8 ] - BCC Bullet_Track_Check
6 h( \1 D3 o. c9 W+ u/ u - Bullet_Track_End:
- J) F1 x! o) O. q4 p - RTS" C% V7 H/ A* h9 V
-
- p6 p2 n9 U8 _; k, N - ;给敌人分配子弹, f4 u% P- \/ ]3 e6 W/ X3 s
- Bullet_Track_Enemy:
$ z6 }* Z$ H; [8 h H5 ]. Y - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)2 G9 ^$ s: A( W& L) |; L; f
- Bullet_Track_Enemy_Check:
( t2 p6 ^5 @& W) {$ F. U( G - STX Loop_Index_J! z; o y" A6 N
-
, L) k1 m/ f8 A8 w8 }3 G ?9 ? - ;if (0 != nEnemy[j] && -1 == nTrack[i])
* q5 l6 `: u8 E8 J/ A6 r Y: y - LDA Enemy_State,X6 Z& y) G7 R/ q7 ~( M0 s, _3 s
- BEQ Bullet_Track_Enemy_Check_Continue
+ `& ^3 B+ \) h+ P* W' d - LDA Enemy_Blood,X
) U7 D8 O8 _1 K( o+ b" I* X$ O - BMI Bullet_Track_Enemy_Check_Continue: q& w3 C1 \# X9 m
-
. i$ a0 K& O: _6 g9 Z; B- S7 F - LDX Loop_Index_I# @8 [4 `9 H* N% }0 o8 C1 {
- LDA Track_Enemy_Index,X, T- |2 j8 f+ j+ I2 {
- CMP #$FF
$ ~4 `) U( Z5 F! X. R - BEQ Bullet_Track_Enemy_Init
0 R& Q- K% O4 o4 r -
! W0 F" d3 j/ x. h - Bullet_Track_Enemy_Init:
8 y0 G& J' D ]0 W1 \) F; t - LDA Loop_Index_J
$ T1 N/ ? E/ A& c5 E - STA Track_Enemy_Index,X ;nTrack[i] = j;3 X2 I- @0 Y2 X X( @
-
2 A2 n6 E! K* `6 i4 U - STA nEnemyIndex8 y) B$ |# m8 W. x$ H1 G" y! x) A
- INC nEnemyIndex ;nEnemyIndex = j + 1;
) E3 d5 H9 z9 i, i - RTS ;break;" l, s$ n. X; m
- # W! }; f+ j1 v
- Bullet_Track_Enemy_Check_Continue:
9 r' E: H9 j; W - LDX Loop_Index_J
1 R7 m" W- P" B. o - INX ;j++
% K: {* G2 k$ `% e5 v4 o - CPX Enemy_Index_End) C- K0 N' ^8 d5 z: E3 J5 J1 h) J) n
- BEQ Bullet_Track_Enemy_Check
- i7 ?0 c8 i P* A9 S - BCC Bullet_Track_Enemy_Check
2 j( c" C) Z& O5 S- b - Bullet_Track_Enemy_End:
" X# Z& R8 n$ J3 Q, X; }3 p/ q - RTS# G6 C! E7 J! J/ ]8 Q& T/ o: Y
6 @5 B0 L/ t' v- Track_Enemy:2 ~& w. S5 I* a
- LDX #$0F
/ J. J+ i9 S" s! e# V- k$ x. t - Track_Enemy_Begin:
8 A6 d$ t6 [0 @2 O8 h1 C7 c+ e - LDA Bullet_Icon,X
! ]2 z( G& I0 K6 \: `% O - BEQ Track_Enemy_Continue5 j- k* S) y( p" S0 @. r
- LDA Bullet_State,X- L+ _# [7 l) b+ L7 w
- CMP #$01
0 b& [' f2 F) S3 u. E& R0 s - BNE Track_Enemy_Continue" g3 d( w8 e& V; x8 ~
- * Q3 ^/ z) M1 u" G0 K8 J( ^
- JSR Track_Enemy_Process
& `' L, K0 q: r3 C# T3 v6 F! u' C - ! f R W* |5 w( {7 ?" H3 P
- Track_Enemy_Continue:
6 ~( N# v6 Z; x+ c7 d8 u - DEX
, u! B$ R) P- W( r! G1 U* O0 C8 | - BPL Track_Enemy_Begin& x" D9 I+ T$ u' e
- RTS
4 G8 C' g% `) c/ e3 E7 G
1 x7 C1 Y. j( _; l- ;普通关卡8 [5 ]( J7 r9 p8 k" _
- Track_Enemy_Process:
7 [" V) X# k1 z8 {5 Y R6 p8 r - LDA Track_Enemy_Index,X+ F# h8 m6 ?* X- t0 ]/ R& ]
- CMP Enemy_Index" y% x+ W* b. s& X/ G: q; g
- BNE Track_Enemy_End3 d$ h+ D7 `! a/ }. Y: m3 n6 J4 n
- LDY Enemy_Index
3 Q1 w( p9 Z! E9 s# M5 X - JSR Track_Enemy_Y
( r K: U. ?& D( `. g - LDY Enemy_Index! d) S2 ]) H; o5 j$ c
- JSR Track_Enemy_X
' W/ X7 P _1 M% @" ^ - Track_Enemy_End:2 [5 x z ?7 E1 R
- RTS+ q6 f6 B: e2 T% s+ {6 H# ~* T
- ! h* J3 }: t# {) n( a
- Track_Enemy_Y:4 j# ~; w/ |. K3 o1 G
- SEC
8 |. d0 G6 C) t+ I - LDA Bullet_Y_Pos,X
) [4 S6 o4 d u% K! q9 j - SBC Enemy_Y_Pos,Y
7 i4 e0 e0 ^& c( [: d - BEQ Track_Enemy_Y_Equal# |9 W3 J. q2 O8 j# c1 n
- BCS Track_Enemy_Y_Greater
+ `1 u% S2 ^2 b' s u& n - & ], K6 u7 J3 K4 q0 W6 p7 l* h
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
8 e. |# }0 b2 x - CMP #$FC) W/ v! n! q+ d) E
- BCC L1_1, W1 U; x" u+ ]" B! r4 J
- CMP #$FE5 X/ S3 m# ^! R l) X
- BCC L1_2: _% B5 n# p( l6 }6 U
- LDA #$00
& D9 Z0 X% ]* |+ G, ^" J; F - STA Bullet_Y_Speed,X j; r. F, o3 |( z
- RTS
9 [5 M) r" H6 _" n+ W - L1_1: % s. t% O, X% u1 b& N
- LDA Bullet_Type,X' H- C8 _% s* W# @1 s' _
- AND #$0F
. E8 M9 n. @" o5 V3 ]4 [ - TAY/ s7 `- m9 q% M5 @; V8 ~
- LDA Bullet_Speed_Data,Y
E/ J$ d5 l& w' r9 H - STA Bullet_Y_Speed,X1 L% K( Y. y7 b) W
- RTS/ a1 }. s e" \
- " ^ V- g# U3 B6 s: q! z
- L1_2: ( q4 D5 e: ]7 d( o
- STA Data_buffer' i* p2 E9 M+ F& ^$ i6 F
- LDA #$00
# A) E1 ~* n+ H7 g+ J7 r - STA Data_buffer- ^ ^% s! j6 M( P! @1 S( w
- LSR
3 F" N' p0 E5 d6 o5 v5 D& P, w1 q - STA Bullet_Y_Speed,X, F9 `* ]: U0 x9 o# J
- RTS
! K5 l$ j$ [6 H/ U5 P) v z E - , Q; d9 h+ T- B$ ^9 @8 m
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
8 ]/ O* \3 f+ N/ s/ t% q - CMP #$048 [( N+ d; N$ O
- BCS L2_1
- I6 S5 H+ Q* S - CMP #$04& Y* [0 ?5 |! _1 L3 Q6 ?( ^" R
- BCS L2_2
+ d9 @+ T) u$ @: i5 q! P - LDA #$00. `* d+ j2 O X# |0 z# A
- STA Bullet_Y_Speed,X
3 p0 r- @- f- M& W2 G. ]$ v - RTS
2 N/ e. o9 d8 q( B* X. N -
2 T% `9 W c5 P' X - L2_1:0 Z/ w. K* D- l
- LDA Bullet_Type,X) K) e, o6 p) u& w- w8 V! j
- AND #$0F' u- u2 g5 ]0 U. \* ^* d. n
- TAY
* f, T6 B; m' @* m; y/ t/ ^/ \ - LDA #$00
5 R9 s( h+ g0 l6 S7 a( S0 g2 f f4 j - SBC Bullet_Speed_Data,Y
$ m7 F6 W; H3 n4 r, F9 @ N - STA Bullet_Y_Speed,X& _# x1 o! [9 d0 k& \& l
- RTS, `5 B8 n" b. x4 n# w8 q) n+ w
-
3 N+ J l+ |0 U) K8 R6 R% x3 C+ v - L2_2:
6 ^1 |: T: w) j4 @, Y - LSR4 c, h; O: X3 ^6 K! \3 E
- STA Data_buffer
1 b" s( ^3 K" O3 H) z j8 }% b Q - LDA #$002 a$ I1 G7 I; U, F! E% ?- w3 U' n
- SBC Data_buffer
" V5 w" J/ l- Z - STA Bullet_Y_Speed,X7 R# a4 [0 J) X$ |' i- J2 n
- RTS
& {7 B8 h2 ~5 X# a; ?) r - . V. X! w& n% u& C
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y$ v5 s! a$ t! R, P3 G
- LDA #$00; z9 G4 i4 Z9 u. y
- STA Bullet_Y_Speed,X
4 i- M; N% R3 i$ Z- M - RTS2 @( E J/ P/ D; r
- & ~3 V+ ~) [) T" R) l& g; k; _% f
- Track_Enemy_X:
; \! E; m& S9 O7 d" H! u( U - SEC. m; u5 x( t4 K k, m1 d, X
- LDA Bullet_X_Pos,X
) Q& n7 M, Z6 J$ e) J l, b+ G3 N - SBC Enemy_X_Pos,Y
3 E5 Z2 j0 P, u6 L4 w5 h W4 H8 Q - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X* ]& W6 Q2 v! U+ R, J
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
5 s: J( c& b1 M/ P6 a -
0 I7 \6 Q( }/ x- a/ K3 f o) x4 | - Track_Enemy_X_Less: ;子弹X < 敌人X; z1 A/ ~ v5 }7 o: R6 a
- CMP #$FC$ v) P( G3 E$ n6 }) \& }
- BCC L3_1+ {8 i- ^$ o* _0 j* n: k* Q( [6 ~
- CMP #$FE8 p! F G% b6 ]) f. G
- BCC L3_2- d; A2 [) w$ V4 v6 R% @+ z# b+ w
- LDA #$00
/ `. L; J) j! z - STA Bullet_X_Speed,X
) y7 y; K! V7 p' [ - RTS
4 v7 h' p( _5 y- e, m$ ]; e - L3_1:
w* z4 ?# g5 t - LDA Bullet_Type,X
; w* w, S/ H' T" Z4 {& n$ n - AND #$0F
2 W, B0 x: x2 a* F& E/ @# \. | - TAY
; `- E8 b1 z$ q2 _- b9 F$ U v; E - LDA Bullet_Speed_Data,Y
' q7 n- T: S& ^. ]5 z" u - STA Bullet_X_Speed,X- h$ c4 Y2 E! q9 C+ x
- RTS# ?4 b4 |+ h* \9 q0 \7 ]6 M
- L3_2:
! D4 e9 h# ^' _. B4 [ - STA Data_buffer; R! U. \* N' r4 h% y( k% D# z7 r Z
- LDA #$006 O% |: [- q6 o; F! ]
- STA Data_buffer
/ ^9 j" V6 P9 Q) k) ` - LSR
L& a- t% b% k* b7 N' T- F- K - STA Bullet_X_Speed,X
- o. K! [/ s _ m" O - RTS
; T2 o9 [+ Z' v6 C5 b4 V: e -
5 p4 P1 ?; W* r; e# d9 z3 \6 v - Track_Enemy_X_Greater: ;子弹X > 敌人X
! k) r( N4 ?& b2 C7 Q A! i - CMP #$04: Y: l0 G3 D$ K$ }& R
- BCS L4_18 f! l0 N1 ~. t# P6 b2 d
- CMP #$02
' }/ d8 _1 F5 B2 Z - BCS L4_2
3 \. L- P( `: z, i# h - LDA #$00
& @' ]3 X1 Z: I - STA Bullet_X_Speed,X- j* k, a$ J% p. \* t. n
- RTS
7 [7 W5 R m: ]/ B - 8 Z7 a2 z$ P6 T K# w8 \
- L4_1: - `% u5 S3 R2 z& _
- LDA Bullet_Type,X( b, C4 c' ~" @3 Y8 t" u( |% q
- AND #$0F6 \ s) w) ~( {* T! |3 ?
- TAY6 w4 w+ R! ~* ] I- b9 I
- LDA #$007 j: D* b9 c% |2 M
- SBC Bullet_Speed_Data,Y
: L* g, \1 m. d _0 J# J - STA Bullet_X_Speed,X' b* d. `+ M2 ?0 \& R0 s
- RTS
6 X+ q8 }# E+ B - L4_2:
. d3 ~# c. [3 P* w. t1 I - LSR
" J9 D' |0 t6 g+ D+ E - STA Data_buffer
R: J" \+ ^* N$ c3 `, j - LDA #$00
- F" o4 X3 |6 r4 J$ C( L - SBC Data_buffer
! I6 a% j. q& m# _0 q+ h) Z& t' m - STA Bullet_X_Speed,X7 C7 x# |- }/ s g- M. q) h
- RTS
, b; f# O' t$ i1 }7 Q% h* l -
' z& e* ^5 j2 M) L( P8 s - Track_Enemy_X_Equal: ;子弹X == 敌人X
5 | C. c$ W; p' e/ M" \ D - LDA #$00
! z, E, X; x0 ?3 V: F - STA Bullet_X_Speed,X
9 {% U/ Z( G; {) @% Q - RTS
. }- ]1 Q8 R$ H3 @" P7 c8 R _4 d -
- x. `' \* q* E - Bullet_Speed_Data:' Y: M! g: x* A; B' {$ m
- .DB $00,$03,$03,$02,$03,$03
2 |2 G* m3 Y2 x9 O' o - " S$ c0 D9 H/ T* Q5 I; ^
- ;2, 4关; u9 L- L: Y7 x
- Track_Enemy_Ex:* A+ C' t) G$ q' X0 P' l
- LDX #$0F' U! c* b2 D# m, o; Q
- Track_Enemy_Ex_Begin:' X) F9 t: C4 D2 F* @
8 D4 {9 ]9 @5 W4 N, j1 C- LDA Bullet_State,X
9 W& [( b1 E0 W: h& l - CMP #$01
4 F# }, z0 G4 ^- m0 A1 e, } - BNE Track_Enemy_Ex_Continue+ a5 d4 Z0 Y7 F( q- p; V
- 6 F+ K8 P0 e4 Z7 x9 v' m9 E; M
- LDA Track_Enemy_Index,X
d$ f! C1 H- B2 P% P3 y - CMP Enemy_Index
0 j/ a- F2 B* w, b - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
3 Q2 k* w+ N, K# i7 u -
( S6 a3 z W1 i" V# r - LDY Enemy_Index
9 U& w+ T7 m6 _ - JSR Track_Enemy_Ex_X# s, {$ P( @2 F- I7 u P
- $ D6 D6 u) p. N0 E
- Track_Enemy_Ex_Continue:
- l N1 l% p U - DEX% d4 `' b/ A J! A% C
- BPL Track_Enemy_Ex_Begin
& ^% n, `7 t% z# Z) T, k; _ - Track_Enemy_Ex_End:' ~. n% _/ C9 n. M! [# O) u
- RTS& E; x: f5 X/ E3 T. h
- 7 C' f! \/ o5 |; o8 `/ m, f8 \: p
- Track_Enemy_Ex_X:8 p- v1 d4 W$ j7 i6 z v
- ;LDA Bullet_Z_Pos,X
5 ^3 ?' M/ S# q1 V1 D - ;CMP #$04" T( D8 ^9 n6 A+ z+ ?% N: r2 U C
- ;BCC Track_Enemy_Ex_X_End# _* E2 Y7 o, A( d$ R; ^
- SEC
- M) G* _; R& T0 M3 W5 p% w! b2 n - LDA Bullet_X_Pos,X
* P. x5 P5 }1 J5 p, i3 W - SBC Enemy_X_Pos,Y" T% p8 u6 T5 I3 e# j: I
- BCS Track_Enemy_Ex_X_Greater
- w& |# s- G" M3 F8 Q; K$ V6 T" u3 b -
7 Y8 ?$ u- k# H# {& q7 a - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
5 J* V/ d: C( h% f2 n( e - CMP #$FD
+ Y/ X* w. F, p# A3 @! c9 g - BCS Track_Enemy_Ex_X_Less_End/ I, y0 M8 N. @+ m0 G
- LDA $6020,X& a' j O; a3 E
- CMP #$2A+ F+ z2 B* M6 r K
- BEQ Track_Enemy_Ex_X_Less_L1. h3 h- C% ~) ^# Z! s' v# l
- LDA Bullet_Z_Pos,X
) N6 L4 R. y0 ? - LSR
4 k3 D. X: s1 b# ~ - TAY% W% U H7 U, j) |+ R; V
- LDA Bullet_Speed_Data_Ex_R,Y
( ?7 O( \) L3 P5 \ - STA Bullet_X_Speed,X
- M9 q% G$ r( n7 x/ n - RTS' Y! o. v$ P8 ~# o; F$ M
- Track_Enemy_Ex_X_Less_L1:
: E1 I7 m* h4 Z* t% p
# l- t8 V3 t# Z# ]. U: C s- s- LDA Bullet_Z_Pos,X4 v& g( `: ^+ S6 `* ~
- LSR
_$ T& x1 y, ]$ a, w - LSR; J9 {0 {7 K; s1 I
- TAY; d& {0 r& @+ Q9 K! n8 _
- LDA Bullet_Speed_Data_Ex,Y
' Y* v6 g; g' d) [- O$ S$ n - STA Bullet_X_Speed,X) p0 S: q% e, ~8 ^, q( r, ~' [
- RTS
% S- F2 O8 Y0 a" j - 1 I0 n! V1 B6 Q- [8 V& Q. g
- Track_Enemy_Ex_X_Less_End:
' b/ D6 I+ ^5 H - RTS
+ p O, [+ T& n/ F! M: { - ' x* U, c7 `' Q# a
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X( {3 X7 G# [8 x3 Z
- CMP #$03; w, m, s' C0 r, c
- BCC Track_Enemy_Ex_X_End0 e% t- z2 ^4 Q' t' @; t) o n
- LDA $6020,X- C9 d, e% `. C7 s2 E1 Q; ?, D( w
- CMP #$2A8 C$ B: d% @( f. m+ X$ K% f
- BEQ Track_Enemy_Ex_X_Greater_L19 A' u; N% ?2 G
- LDA Bullet_Z_Pos,X
' h( B! s1 Q( Z! r - LSR
( V# |0 M: f' H* L - TAY1 j. g$ V$ R* Y v5 M( m+ A
- LDA #$00
! J- H$ n8 z r4 e - SEC
" ^/ ^# [, K) H - SBC Bullet_Speed_Data_Ex_R,Y
) v4 J/ L& n! _" g - STA Bullet_X_Speed,X
$ B% l. t- m' h/ Y - RTS
% B7 g- I! i5 `4 Q -
* W. N" Y! b. B% _: z7 o. k1 x - Track_Enemy_Ex_X_Greater_L1
! f6 `6 w( Q% T7 G3 M0 @ - LDA Bullet_Z_Pos,X; e: J" ]" s \% [! p9 `' h
- LSR
: g! N3 K4 m, B3 I" u' Y2 p% G - LSR
. x% t$ E8 ?4 k2 V/ _' o - TAY
* {' i# y& T' ?+ k( ?: N0 } - LDA #$006 R/ n) \* _& M$ V' S/ u2 d, D& x
- SEC
3 a) Y3 e; Z/ L - SBC Bullet_Speed_Data_Ex,Y
0 l$ _' g9 e; q! d+ U - STA Bullet_X_Speed,X
# T' z0 n7 R0 W - RTS
; g3 o3 ^. T3 `. {! D' M -
( e! M% `3 b7 z- d- y$ r - Track_Enemy_Ex_X_End:$ [( Q, w7 m8 a4 h
- RTS
5 L+ n( L" Y, b8 j3 i1 f -
- B/ E9 y9 n& W; G n0 l - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)7 w! [3 _5 ]( r) \4 c$ d
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 p7 d: x+ Y! H' J( ?, r+ C# U* V
- Bullet_Tract_Direction: j; G" j# I) N, L3 ?; n, V
- LDA Bullet_Icon,X
9 ~( C! \5 i8 ]* ^ - CMP #$23& ~/ C$ \1 O% R& H. A
- BCC Bullet_Tract_Direction_End
! Q3 [( y7 n' I3 l -
) f" w$ H7 F6 Y* v. Y. o; _1 E+ q - ; X != 0
" E7 R) h% w2 ]- X - LDA Bullet_X_Speed,X. m0 D9 V. L; p4 ? |: I8 B" a1 T
- BEQ Bullet_Direction_V
6 g+ a' J* q) n6 F - 4 {* i. F: r* Z) S# T( y' @& V
- LDA Bullet_Y_Speed,X
/ n1 {3 H0 j8 j' P* {4 k" O - BEQ Bullet_Direction_H1 x7 Z$ V$ ^( f4 w; Q
-
# n7 o7 h8 M) g& G8 F - LDA Bullet_X_Speed,X
9 F. M. B* G9 Y7 I& b, N o - BPL Bullet_Tract_Direction_Right3 H$ i" }+ J" {, [4 g6 G
- Bullet_Tract_Direction_Left:$ E- f$ \6 i3 `) [9 x) ?
- LDA Bullet_Y_Speed,X0 O" w2 O, h! U3 `2 I/ P# c" d
- BMI Bullet_Direction_Left_Top
V4 T( n l( x% _% \ c: ] - BPL Bullet_Direction_Left_Down' z' H0 t2 Y& B
- Bullet_Tract_Direction_Right:6 k6 e( R- o. D- \# U1 f, ~
- LDA Bullet_Y_Speed,X/ V% [2 x2 d& v1 W
- BMI Bullet_Direction_Right_Top
- U1 ], ?4 K+ F# i, k - BPL Bullet_Direction_Right_Down3 d6 n1 U, n9 A; K" ^' r
- Bullet_Tract_Direction_End:9 {2 C( J1 Z- ~) _" q! z" H8 s7 O7 a
- RTS
1 P" k1 b0 x Z+ j: Q/ E0 @* ?; I - F: v1 j+ m# C4 {
- Bullet_Direction_Left_Top:
; l% p$ |, _, D& h8 }+ } - LDA #$25# f) R8 l8 E# ^# ^1 m- I
- STA Bullet_Icon,X
7 p0 w4 N: G6 n - LDA #$C0$ Z* Z9 M/ @; ~
- STA Bullet_Direction,X
1 [+ a, Y3 O5 F/ A6 {. d6 {/ X) A - RTS" J2 F2 P/ _5 @
- 5 U, ~+ }) |* V$ y1 R) G! i
- Bullet_Direction_Left_Down: n5 ?( E$ z M. i9 P: Z# k X
- LDA #$25. J) Y' M2 P" ?1 }3 i+ x8 k
- STA Bullet_Icon,X
; P( b% \7 Y5 r) \% R. I2 ~ - LDA #$40
/ h$ L5 a: L% N; h+ w7 z( ~- o - STA Bullet_Direction,X$ H7 ~1 ^9 y k; }( q" N
- RTS1 U4 P" z8 L9 q F
* Y+ }9 {/ a2 p2 W8 T) U, @- Bullet_Direction_Right_Top:# j. m; j$ H. B, v1 l; r
- LDA #$25
$ A$ M& F' w6 G1 [. d, F - STA Bullet_Icon,X
3 t% ?8 y6 a1 x, e - LDA #$80: J% `' N& g3 K$ e, y$ p. ]
- STA Bullet_Direction,X
/ m# [4 ^; H4 j! N1 W! _7 u - RTS! v5 m6 o( z% ^& i* F
- 5 e. u; V( j. d9 _
- Bullet_Direction_Right_Down:
4 q) k6 E3 E, F6 U) O - LDA #$25& M5 w9 v: r" ?: y
- STA Bullet_Icon,X- K! s6 D! W i* ?5 m! H! _, P
- LDA #$00. M* R5 I6 I( P$ ~% }# w |
- STA Bullet_Direction,X+ b" [! Y3 T9 i4 S* r; S
- RTS3 p0 r: ]( H+ r" f
- 3 j" \ M; p' ]. B! u0 b6 P6 r
- Bullet_Direction_H:5 V$ x. T! X9 p3 t# P
- LDA #$248 L. q( H9 V8 b' s2 ~: c
- STA Bullet_Icon,X
7 M0 S1 t) d- {% T - LDA #$00
$ B5 b" C" Z2 x. k3 h - STA Bullet_Direction,X$ K w- U# d5 K5 j' R
- RTS {% a8 ?; q; m1 F& v+ |4 ~
, A) }& j) {& k- Bullet_Direction_V:
4 j9 w. F, ^8 c* ] j6 P9 R - LDA #$23
6 F7 l& v5 r3 J - STA Bullet_Icon,X
4 h O- T" e9 n+ W$ G - LDA #$00; m) c$ o# x! R7 m% N: \+ P
- STA Bullet_Direction,X2 Q/ q8 O* e! z* j* H# {5 R
- RTS
( o/ s' [) W* T. v - - a, q) d7 A1 i2 Z Q* }
- Bullet_Speed_Data_Ex:2 N9 X0 h" J3 z+ t1 }9 Y o4 H
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
" p- `5 Q1 N$ \, u& ~ - 2 o; {. O7 @7 @' Z/ Y% _* d
- Bullet_Speed_Data_Ex_R:
P/ [- H% ?7 D' P { - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
p( `" ?6 W* W6 K! H( B7 M" Z2 R -
复制代码
/ [3 m- w6 f- n6 l( t" p) M) q' J6 w5 g" i/ q( ^6 s, \6 d
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