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[FC][魂斗罗][J][追踪弹]
4 Z f+ o% ]. i
, G/ g3 o0 d- d; n时间:2023.04.30
5 j0 b" b8 }3 ` i. J+ @% D; B作者:FlameCyclone
0 R$ n* F# x: l# Y* C# _内容:7 v# R7 a- z! q8 \. s
1. 所有子弹追踪敌人3 s8 B6 E7 T" Y, g: r* R
2. 选择键切换武器
# b5 ~, G# V) Q; 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" w: }- f) C0 m* Q( }! f* _- O
! X( W, l* n$ e, r
flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁# |4 z8 ^9 y5 w# T, q8 M0 P. Y7 D
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" }) e }, `, c5 G+ W7 y5 V+ D
- 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)- y) P. U% m( c1 H# S
- ; ~) w4 y3 c# f
- ;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 f% [1 c( b) ]/ L. g+ {( \ - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
% e& Z: ]6 _; A0 b ] - 8 D% ]4 j' _6 V) M
- Track_Enemy_Index = $6000' |7 ]* \2 _/ @# D% q; [: P# K
- Enemy_Index_Begin = $60101 U, l% T, D, I, d: j
- Enemy_Index_End = $6011$ A; Y K. }% d0 t1 x1 p
" i/ P) h# D' f$ C4 H. Y* r% O! _9 F- _7 g- Loop_Index_I = $6012
& d& y9 j4 K& @* b4 a Q: q - Loop_Index_J = $6013
; B6 b9 U: s* {; P$ e0 E - nEnemyIndex = $6014: h G9 Y# u) I9 Q) x7 ^
- Data_buffer = $60157 F9 f7 h6 W* D' E& V4 }- D
- 0 a: T" n7 o. w8 Z4 f& }3 A4 T
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标/ j/ K0 Z& s0 t+ y' H& b3 `
- Bullet_X_Pos = $03C8 ;子弹水平坐标$ g9 V) ^0 n4 U$ D
- Bullet_Y_Speed = $03F8 ;子弹垂直速度; Z) @8 s. p8 q+ {, }. O+ F! H
- Bullet_X_Speed = $0408 ;子弹水平速度9 ^# T9 T( X, F* ~* T
- Bullet_Z_Pos = $0418 ;子弹Z坐标) }0 f) y# O# n* O/ }
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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- C1 ?" G7 i$ D' X( y- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸( D: g3 r' M8 V# H$ k/ W1 E
- Enemy_Blood = $0598 ;敌人血量3 r! F5 ?8 e0 G# w! ]
- Enemy_Type_Addr = $0528 ;敌人类型
( }' \, N* v0 G - Enemy_Blood_Addr = $0578 ;敌人血量
/ L+ Y6 z5 G9 L1 ^5 o0 y: P; ~! ]9 m - Enemy_Y_Pos = $0324 ;敌人垂直坐标
3 v: G* `) ]/ Q; U0 A: d4 e - Enemy_X_Pos = $033E ;敌人水平坐标
3 n/ n* u7 f4 u% i ` - Enemy_Y_Speed = $04E8 ;敌人垂直速度
* d1 ~) w* R& _8 s! W0 C - 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
! T6 C: m( s8 e0 H3 u, d
. U/ k0 ], [ T) [, [1 H- Enemy_Index = $83 ;- ~; n( N1 Q! O* p% }9 ~5 r( Q
- Time_Count = $1A
, j- ?* L( ~; J' n! C( X - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
. O- D9 K4 r. B - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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/ p" B4 Q3 Q6 S5 T- .ORG $6100" g4 O% d, y: r5 C `0 z2 J% Y" Y
- Process_Begin:" F, d( a% H$ P9 c+ k
- JSR Enemy_Check7 [% j9 P" E$ ]: Y3 Y5 E
- JSR Track_Enemy_Check
/ H; p, i) Q, ^7 }3 [8 y - Process_End:1 ~! m3 X- Q% r$ V5 p" X
- JMP $E54F
8 ^! V; S( _0 O
% Y( j9 X6 l( Y) w( V* n- O- Enemy_Check:2 L; @; ?' O/ q2 S: _, }: b
- LDA Time_Count
0 P' j. |& e1 D& [' I/ } - AND #Track_Bullet_Speed
1 _7 O4 e8 @" n" K* U. v - CMP #Track_Bullet_Speed
& Y+ P, ]3 ?5 J( G k - BNE Enemy_Check_End
# g k* ]. ]# g6 ^) f - LDX #$0F
9 D4 J, ]6 H. q - Enemy_Check_Begin:- C3 F& b* L5 @
- LDA Enemy_State,X
8 f/ D6 |2 Z, h/ k {- v! s - BEQ Enemy_Check_Continue
% b+ o$ z( z+ _2 p% i! O$ h - STX Enemy_Index+ Y' s( z, ]8 M9 V& x& U5 f, i
- JSR Find_Begin_Enemy
/ U; Z+ \ i3 u6 q; O - JSR Find_End_Enemy
9 n- @+ b3 U/ O& ~: Q0 U8 l - JSR Bullet_Track
, H$ i& Y$ |! r- j& W0 B. Q) p - % ~6 v$ N/ _& E! c4 y. b' ]
- LDX Enemy_Index. ~$ L# Z! m8 C3 W* i6 @
- Enemy_Check_Continue:
/ V3 S+ U' H7 s1 D - DEX0 k E/ S1 ?* k- c3 w
- BPL Enemy_Check_Begin
% e' X& N X" i3 a - Enemy_Check_End:
+ v+ g# x0 J; m. ]) V3 ~# X - RTS/ f+ ?4 R7 f6 X/ T- w1 }4 k9 j
-
( L- E# ?3 I9 x e$ K - Track_Enemy_Check:
/ o( `9 ~" `1 F _! E5 i - LDA Time_Count- ^$ w6 o2 g% R. r# l
- AND #Track_Enemy_Speed
3 y6 p* r+ b8 l( |5 b( s' @ - CMP #Track_Enemy_Speed
* t% U( Q- m% q# P2 \. G - BNE Track_Enemy_Check_End
. S) C. F) ]/ j1 h& t2 p. L7 ^ - LDX #$0F
0 {9 ~9 k6 d+ n+ b - Track_Enemy_Check_Begin:2 g+ P: [( b1 e* N( O+ A2 A
- LDA Enemy_State,X% Y: r8 b% t) c" s2 {
- BEQ Track_Enemy_Check_Continue
3 r& m+ t# i5 M& a4 C" s q" S- v) u - STX Enemy_Index
$ d: ^' F2 |5 C, z2 c - ! G) n- i' @/ g0 G; e+ t
- LDA $40
7 c& W- J9 P6 \6 h) z5 ` - LSR
. z0 Z0 t# ~& h D% d/ L6 Q& d% ^ - BCC Track_Enemy_Check_Begin_L12 A( ]8 D2 e1 q6 }. x' I
- - }* G) k" `; ?5 V \
- JSR Track_Enemy_Ex ;2, 4# j; T- N& G3 ]9 f) A2 S' ^! a
- LDA #$00: d5 c2 l( B$ H$ Y& l: X8 K
- BEQ Track_Enemy_Check_Begin_L2
$ \3 k3 `4 Z9 \/ k. L - " r: D: x) w5 D: I' ? D! W
- Track_Enemy_Check_Begin_L1:
- |4 f0 f+ V0 L- [2 [ - 4 n6 V9 b3 z" d: c% @
- JSR Track_Enemy" y7 f8 { K1 A6 [( r
" }; m2 p; Y$ a- Track_Enemy_Check_Begin_L2:1 k1 Q2 _& ~& J
- / \2 R: D: k; _# ~+ H, A+ {. R
- LDX Enemy_Index
. @; H: y. ]; j2 N# T; [ - Track_Enemy_Check_Continue:
+ A9 j* b' M3 K6 W4 E4 T' I# U - DEX' b% ?$ N$ L, p8 _7 w! w5 Z
- BPL Track_Enemy_Check_Begin! w( e% O% i; u- {
- Track_Enemy_Check_End:- m$ Q8 f. c2 ?5 \$ C! B
- RTS
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- ;查找第一个敌人$ S* l- ?5 G& O$ m# }0 \
- Find_Begin_Enemy:/ }0 y3 @- K7 S
- LDX #$007 S( k- H X8 ]3 ^) V0 K
- Find_Begin_Enemy_Check:+ a- V1 l. k; Y: E$ s6 y3 e
- LDA Enemy_State,X6 @; D3 X& A1 `! i6 W
- BEQ Find_Begin_Enemy_Check_Continue* c$ C% `. f1 L, R% }; n
- LDA Enemy_Blood,X0 |9 A1 h/ L8 q. y) D. j; G+ z( T
- BMI Find_Begin_Enemy_Check_Continue
0 _# H6 H5 U( i4 U - BNE Find_Begin_Enemy_End
( [- U5 T* \. J& u - 8 z) S9 r5 h' j) a# `( J
- Find_Begin_Enemy_Check_Continue:
/ F/ C, a2 L @7 U( J |4 f( v3 ` - INX
: L6 G9 X5 f s - CPX #$10, Z" H4 B) J G
- BCC Find_Begin_Enemy_Check
9 [# s4 [* I# r! A2 S - Find_Begin_Enemy_End:, a7 j* q3 I6 v" B" g
- STX Enemy_Index_Begin9 L1 b8 B& |" m! }: @8 t9 h1 |
- RTS
1 K7 _9 e. A* |: w
5 G7 z/ g: M7 n$ j- ;查找最后一个敌人
1 \8 @) l" ^# [ L2 e% } z0 i - Find_End_Enemy:
' h' `0 O- Q$ t8 _' A- f5 ^- L - LDX #$0F4 O, H* H. Q) ^+ _; U2 H4 H) ]
- Find_End_Enemy_Check:
+ ~. R# H- I C& R; L( O0 I1 F- ~( | - LDA Enemy_State,X7 ~8 I1 v# U6 E$ D
- BEQ Find_End_Enemy_Check_Continue' p2 @' E3 x0 C- c$ _2 a {
- LDA Enemy_Blood,X
0 Q6 U& X7 f9 o4 x, X: X/ w5 x8 N- Z& u - BMI Find_End_Enemy_Check_Continue
9 F$ [; K3 V" _( N: Z- A% | - BNE Find_End_Enemy_End
$ a' ^" F2 J) Z. s5 f - - n/ _$ [' a8 @: ~! I, W% ~
- Find_End_Enemy_Check_Continue:; v5 H% G0 t3 E y3 y) B' p
- DEX0 p; C7 k4 i. z. P$ _- S; C
- BPL Find_End_Enemy_Check
# n6 f8 A+ X% F& H J' N9 ?6 [ - Find_End_Enemy_End:. t& T" e2 }8 R# q% _3 F
- STX Enemy_Index_End
5 u; E0 N* U5 ~ - RTS6 T* Q7 G& B7 @3 `9 ?
- 7 c0 G: r! I) K8 |& w# Q
- ;子弹追踪( ]1 E0 y8 [! k" S& ~ s( ?" S- P
- Bullet_Track:5 G2 L* b: q% B e$ f4 d/ W, I
- LDA Enemy_Index_Begin
5 q' f5 C- @3 O% b) h- U) v - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;( T; B7 {$ d: F7 X- v$ B8 v
- LDX #$00
. ]' S( O6 Y0 J - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)6 t& W* q/ n8 R. @9 d8 B
- LDA Bullet_State,X
# X1 p- [# h t# [4 ~5 K, C; h - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
8 C$ q+ H# R6 r! I% u/ J8 R+ O - STX Loop_Index_I
2 g: e) U) z6 ]" w$ u# }7 I -
; i3 u3 c1 o! e9 w0 n - JSR Bullet_Track_Enemy
7 g& b* K' ?! i, i - JSR Bullet_Tract_Direction
* p ]; E' h9 ] D+ k -
/ M6 N2 p$ x+ V5 ]/ i: s" C7 R+ L - ;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2 P& w; s: u. }
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;0 n+ H' [: C; J& [* B4 }. |# D
- LDA nEnemyIndex" `$ k3 P9 v/ A/ M1 ?" K8 y' q
- CMP Enemy_Index_End
2 z0 ]/ y' h$ l9 C+ {! ^7 Q - BEQ Bullet_Track_Check_Continue" W3 Q1 u+ i6 m! K& |, k* ?1 O. ]* t
- BCC Bullet_Track_Check_Continue
1 F4 O: K) @; v q3 Q5 D; n - LDA Enemy_Index_Begin# [0 T: a, z" n# ?( e. T8 l5 _
- STA nEnemyIndex: ]9 f+ l& A8 @, K
-
8 v" X6 T9 p2 X- T6 J: Q - Bullet_Track_Check_Continue:
' n' O2 l6 F# G' U% s% @* o - LDX Loop_Index_I5 u% e- ^- z8 x* H
- Bullet_Track_Check_End:, c9 g/ K1 m6 D# a" |$ ]
- INX, M( n( m3 C9 W
- CPX #$10
5 x. X" m* ]8 n( d; b8 t1 t' j - BCC Bullet_Track_Check
" o3 u( F& o2 G* o7 w. x - Bullet_Track_End:
; v4 d7 ^4 i9 w$ U+ Y: b& Z% g - RTS
: g2 w0 T. K& N7 I; ~+ q' p0 s -
4 b) G2 g; o8 S% `) k f) c* F - ;给敌人分配子弹( } \3 B9 F( \ x1 |
- Bullet_Track_Enemy:
, o( Z& @3 t5 H( @0 x8 P0 h* _ - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)( _5 A- ^* ~; L1 c# ]5 k; h8 L
- Bullet_Track_Enemy_Check:0 S) M# Z& H! F' O- b: |
- STX Loop_Index_J% ?+ c/ }$ I$ n: w
-
}1 D7 O1 _- | - ;if (0 != nEnemy[j] && -1 == nTrack[i])
- d5 b$ R1 y! S/ f* g - LDA Enemy_State,X
* l! B2 M9 w8 e3 y' d, \% u/ ^ - BEQ Bullet_Track_Enemy_Check_Continue* C$ E3 S$ r! O. n2 h
- LDA Enemy_Blood,X+ e# z# |; M1 e! Z4 L
- BMI Bullet_Track_Enemy_Check_Continue
; q3 P$ N- u& z8 B) x6 C - 2 r; ^: Y9 W3 W$ M* \1 l5 y
- LDX Loop_Index_I' U I3 b0 L' b+ X
- LDA Track_Enemy_Index,X9 i4 x/ a n0 g1 N9 ]
- CMP #$FF
$ {4 y" k8 d' ^: w/ W% F - BEQ Bullet_Track_Enemy_Init3 I1 E3 |! X6 B' |' E
-
# `; Q n6 J) v! E R$ E# u - Bullet_Track_Enemy_Init:' b0 ~3 L! [# n5 Y
- LDA Loop_Index_J S: m; h# T+ A& X$ `; b1 J
- STA Track_Enemy_Index,X ;nTrack[i] = j;& S8 [7 L' G9 H# _$ P; K. K
-
" C4 a; K6 `% l! a) G0 g9 d - STA nEnemyIndex; m! h B( o8 h& @: d5 P
- INC nEnemyIndex ;nEnemyIndex = j + 1;) b3 A0 k1 P8 |+ A+ N9 ^
- RTS ;break;& N. G. {9 Y9 |$ a( D% G
# r+ g, O9 d8 n M# w3 }( n- Bullet_Track_Enemy_Check_Continue:
4 g+ i! i, j9 l7 h# { - LDX Loop_Index_J* f3 g# @- t) X& S: I3 j$ i
- INX ;j++
4 O) R, x+ r; N# l5 F" ^8 _ - CPX Enemy_Index_End
; b7 C, t* l, y, {! Z - BEQ Bullet_Track_Enemy_Check- U7 d, V3 `; |' q5 f3 w
- BCC Bullet_Track_Enemy_Check: S! I$ z* n& Y( {, v
- Bullet_Track_Enemy_End:& z5 `- ?! ?0 {# \7 b
- RTS5 C. @" }8 V' ?
- ! e& z5 i8 J8 ~6 U$ e
- Track_Enemy:/ T: f# `, [5 e* X* A/ D
- LDX #$0F% C2 Q8 ]- c7 c: z6 {: b+ u
- Track_Enemy_Begin:
( @1 g0 p0 k' G7 R, }( L% m - LDA Bullet_Icon,X% E/ v) Z/ I4 D' c9 ^- n
- BEQ Track_Enemy_Continue
8 C X- u# k0 V* e0 B9 { - LDA Bullet_State,X
5 s+ M+ n% y) _% }, l" \ - CMP #$01( }2 U' L: I( l4 A" }
- BNE Track_Enemy_Continue9 @3 U( p4 ]( m: Y( Q
- ' r. |1 p* ]0 j( t! L0 [
- JSR Track_Enemy_Process
) |# U- u8 S+ T& K - . j1 f- l' @; i A/ v8 p
- Track_Enemy_Continue:
/ q; L( V* w( H" [; @1 @; T" n - DEX& S/ \4 A6 Q) a: Z1 q U
- BPL Track_Enemy_Begin; Z# a- s8 i8 @4 _/ w8 t% i
- RTS5 @5 N3 ~ ~$ b6 Z" k/ L9 T% o
- % G( g6 F2 n, i" D- V8 G4 j) p, V
- ;普通关卡: h# }) v5 v2 t) S! j" T4 W1 ]1 I
- Track_Enemy_Process:% F( ^8 u# G# F. w1 o0 ?6 s7 |: k
- LDA Track_Enemy_Index,X
- y! Y& n( d: E4 ]: X - CMP Enemy_Index
?: F) \0 h" Z( d5 h - BNE Track_Enemy_End+ R9 t9 u; E! E% ^" {- G
- LDY Enemy_Index
& V4 ~% m) _; U9 F - JSR Track_Enemy_Y+ E3 l% {4 ^5 s3 T& v
- LDY Enemy_Index. ~4 R$ s- ~- `' t o
- JSR Track_Enemy_X
. a5 ?. n+ ^: T( d% P6 g6 B3 i - Track_Enemy_End:4 [# [% G' O# E0 m* V: B* V, ~
- RTS9 P" z8 z( q& Y$ y: w0 M
- 2 n6 p# J$ T+ s+ s3 k1 G
- Track_Enemy_Y:3 x% Q2 l: J5 a' }, X2 E
- SEC; w7 D1 J2 t: d( H
- LDA Bullet_Y_Pos,X
% Q2 H) M: w7 o( z - SBC Enemy_Y_Pos,Y
3 z$ y1 r- s" f% W0 ]* f' w - BEQ Track_Enemy_Y_Equal
9 c" w; T# Q. x; b; F - BCS Track_Enemy_Y_Greater7 z' U6 I0 }1 B, q, V5 ^! T0 V
- & C0 T. j& L% b0 N' V, O
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
$ t6 z& a) d* B5 {. ~ - CMP #$FC, Q x6 x' ^, H) {
- BCC L1_10 `/ W2 ]: y" Z$ f" z9 x6 p' K
- CMP #$FE5 j$ {( z) |7 a. m6 g
- BCC L1_22 i) _# l# k! ^) d' u
- LDA #$00
: M/ q1 V+ D+ a+ G% \6 E! n - STA Bullet_Y_Speed,X5 W( O! N) I. C5 F% k5 V5 A
- RTS
`$ N2 H2 _; D. N' s7 J - L1_1:
( h( h0 ^7 |7 j6 ~8 M8 M - LDA Bullet_Type,X2 q4 m9 u/ b. w7 h! X5 _6 |2 `
- AND #$0F
L- q0 i) Y9 k0 ?" b - TAY
3 @1 N$ @! b. i1 a9 \/ a. K2 }( e - LDA Bullet_Speed_Data,Y
" G7 T, \9 ~- q& e - STA Bullet_Y_Speed,X
* X7 Y* q: W7 u7 ?- H' a( j. p) F+ u - RTS
6 x7 Y5 b, ~* q/ t ?3 e- ^ - & I: ]9 s, o9 y; }( g
- L1_2: : d$ ], |$ R" `" s
- STA Data_buffer
2 ~ X1 |9 s* T/ M" ] - LDA #$00
. ]* j/ F; |# j: v' l& E6 x% e - STA Data_buffer
4 T8 c$ ~: s1 h2 T - LSR- R5 z \* d- i# ]0 J9 l- X( [
- STA Bullet_Y_Speed,X4 J+ T2 t/ v5 l F
- RTS
4 N# k5 f5 @, l' w - + l' v1 g+ N; R) ]" E- f1 R) l7 z
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y) P/ a/ C+ b" b3 J q
- CMP #$04
0 w; ? B7 M, q1 P1 k/ I - BCS L2_1
a0 Q0 Z6 ]$ Y3 L3 }. T - CMP #$04
4 x) D/ m% J& g" f$ U( N+ ^) T - BCS L2_2
* D8 h; y9 i) g8 ]) x6 q+ _- H - LDA #$009 U: u" \1 h; W8 y0 _
- STA Bullet_Y_Speed,X: Q7 I) d( C5 x2 @
- RTS
( N/ ]9 }, X0 i0 g% Z" Q! P - + p) h1 X* F3 Y, n y1 t
- L2_1: |0 M: F# _8 D4 s$ n8 ~) X
- LDA Bullet_Type,X
' Q* U+ s$ Y% y - AND #$0F
3 y; Z& y+ p8 ^& p! t1 ~ - TAY
9 X- z# p$ {9 }0 c* Z - LDA #$00
7 h. {5 Q5 [* U0 ]9 l+ |8 Q - SBC Bullet_Speed_Data,Y' G: [9 o, H$ o5 X' [! D
- STA Bullet_Y_Speed,X
7 a- m% Y/ K8 E7 J. |' i# w - RTS
8 R$ [9 T* J# z0 l( f* { -
% V! e9 I. F# t3 x& ?% l - L2_2:: A$ v- A, Q+ ]% |
- LSR. N1 ~/ G' ^- P; d3 N
- STA Data_buffer: V" q& N' K8 U$ D3 E f4 u
- LDA #$00
/ F. o# \0 |7 L% w6 y: v1 S - SBC Data_buffer
+ d' n4 |) {4 |" R |. |4 k* W( H - STA Bullet_Y_Speed,X+ Y8 B6 U6 X3 T0 F+ |" N
- RTS2 f/ n9 V9 t, H; h6 ~1 W) e
- $ u; X6 X, k; \$ m
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y( p( r# v% n) p8 ]2 ~2 y2 G
- LDA #$00
( Y% `8 \. G, [' H0 P - STA Bullet_Y_Speed,X
( n' ^: _- {* F - RTS
% C" x9 k$ R' w6 E1 p5 g6 q -
; }/ n0 h: i6 |6 X; F: _ - Track_Enemy_X:- x j" V1 ?. x0 F4 L. [
- SEC* w# F' q' p* D/ r7 x6 Y
- LDA Bullet_X_Pos,X0 X: V6 ?0 B, g5 _0 y0 N# U( t( `+ V& w
- SBC Enemy_X_Pos,Y$ X1 B1 \, x- X( T; n
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
4 \ s# g- _+ u4 I - BCS Track_Enemy_X_Greater ;子弹在敌人下方1 P0 m2 ~; q s* p
-
' a8 c9 B% T Z1 o# I# g2 D - Track_Enemy_X_Less: ;子弹X < 敌人X
4 E- J0 D7 w( O0 h; x s3 `! F - CMP #$FC
e. c+ j' g* g6 S; j; ~- ^2 P - BCC L3_1 ?$ g& L. R0 k
- CMP #$FE
- l3 x6 ~$ r5 i. X - BCC L3_26 `' q9 \9 g% o2 T7 x* I. E
- LDA #$00; @ ^$ q, ]1 s4 ^2 Y6 b" C
- STA Bullet_X_Speed,X
) a. k8 w( a- N, @ - RTS
: N& R& K( M9 ^3 }- K - L3_1:
0 f2 [7 W& j+ K6 _9 s - LDA Bullet_Type,X
" F7 a' R1 m4 R9 K# u - AND #$0F! x3 K; l& c( h8 b5 ]
- TAY
6 _+ z% b% s; j - LDA Bullet_Speed_Data,Y
/ b* Y& z M) c; R' V( E6 P+ N2 ~ - STA Bullet_X_Speed,X0 w3 ~) c+ o2 G# G R
- RTS
; A5 @$ T% ?9 f* q9 F - L3_2: 8 I- E# |/ |9 Q. _
- STA Data_buffer
2 f, `5 L G( _. a! h+ z* x9 [ - LDA #$00% y9 E E* _2 G% f( D
- STA Data_buffer3 f! ~$ b! L; L$ ]. H; ?: L
- LSR, F6 v% Q" X& T
- STA Bullet_X_Speed,X! ` ]' g, |3 m0 g. y4 U$ [
- RTS
& o: y C5 L6 e - @! {. [: J. u! p. N$ q E- N
- Track_Enemy_X_Greater: ;子弹X > 敌人X
: {9 h" f% V1 k1 C - CMP #$04/ \- d9 e5 h. `6 F! O) t
- BCS L4_1
( V7 `+ u3 m. v$ C% @' k( K9 n - CMP #$02. k ~0 F+ \" k: f: E
- BCS L4_2: L7 q: u* V: R# B# U
- LDA #$00
' w' U/ O0 Q) s- E9 d% Q, j% c - STA Bullet_X_Speed,X
6 {* J& N8 w2 K: M { - RTS4 w) e' |# O! [/ i
- : b0 Q- F9 [( U0 q
- L4_1: 6 y) C; @9 e: x$ I
- LDA Bullet_Type,X
6 G+ G# P3 A# _1 f1 K& R/ P0 |$ C - AND #$0F5 |9 G* n W* w* e0 Y, F7 q
- TAY
# d5 c( R$ V, i+ }0 ~ ^. Z - LDA #$00
7 d2 |2 p. {4 Z* f - SBC Bullet_Speed_Data,Y
9 H! v0 X* Q4 q$ f5 o& `7 @ [1 J - STA Bullet_X_Speed,X4 U& Z [5 {4 R
- RTS
R8 r* q, f+ F8 H3 G/ [ - L4_2:
" ^$ k7 H" \7 W - LSR; W1 S F, X2 ]1 \) t3 W, w9 O, i( Z
- STA Data_buffer
0 e f2 p8 |0 V! j - LDA #$001 g& t; E+ \; ~$ O7 D2 ?! c
- SBC Data_buffer! h+ t5 N; v1 u2 l; ?
- STA Bullet_X_Speed,X
2 ?1 D/ R; i% O, g - RTS
. c1 V; G( c: q. S, y -
% E8 a. n6 n$ `8 i. X) j - Track_Enemy_X_Equal: ;子弹X == 敌人X
* D. @/ \( `( p7 |) v% o( r3 c. x - LDA #$00
: Z; O, m0 O: V - STA Bullet_X_Speed,X
( i' Z) m# r' @( G. D1 H - RTS* D5 h5 D, q& [
-
_; P; o) ^$ x0 V* q - Bullet_Speed_Data:# G0 a1 |0 y5 b0 k5 X8 n
- .DB $00,$03,$03,$02,$03,$03
o5 U0 J7 Y' ?2 S7 ~6 s - ' @5 ~5 o6 F! e
- ;2, 4关
2 i( g) W+ B5 f- C- c+ N5 s; D/ R/ k - Track_Enemy_Ex:
% T7 U! x' J' {1 r5 `$ a - LDX #$0F
+ n6 z7 p& d" Z1 A4 l& i - Track_Enemy_Ex_Begin:
6 [' s8 F/ n8 E7 [* v J: T
# m% R2 r3 }. b( A; i- LDA Bullet_State,X
' o+ g( c: ~/ H6 d: v, A - CMP #$01
6 G9 m/ o" D3 v& L) }6 [8 O# F - BNE Track_Enemy_Ex_Continue. A+ \ X' r# `+ H' S8 n- P$ J
- . ]/ N6 O9 Q9 H8 p
- LDA Track_Enemy_Index,X6 ~6 b, P6 F( Q8 z, @
- CMP Enemy_Index- C+ }' y5 ?" Q6 ?
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标6 B: }; V, B/ k: t1 i4 K: h
- 6 v/ ]7 ^' e1 d, }' M2 {4 u
- LDY Enemy_Index
) c- a G# ]* R6 E' ?. p - JSR Track_Enemy_Ex_X9 l0 u- R7 H5 ~ {
- : t% Y. V3 l( x ?* x5 O
- Track_Enemy_Ex_Continue:& U) q: K/ a- X0 M. c2 Q
- DEX c; D( V& W$ b1 o3 P% M9 P
- BPL Track_Enemy_Ex_Begin- {" \1 L* U r8 I: N; H
- Track_Enemy_Ex_End:
' ^; w' z% y, e$ Q - RTS$ h4 i, s' Z7 o) N& y) w
-
9 e I* x" h# w; ? - Track_Enemy_Ex_X:* F, _: h1 G" w' q/ Y8 E
- ;LDA Bullet_Z_Pos,X- y* y! c; U3 w' I8 N
- ;CMP #$04- z5 W: @/ f% |' U, o( F/ \: U
- ;BCC Track_Enemy_Ex_X_End; J2 b; D3 e% u }" R0 ~
- SEC2 X) K( T2 K4 W, x
- LDA Bullet_X_Pos,X
1 u6 D8 |9 F( f% W. p1 p# S - SBC Enemy_X_Pos,Y& M8 _8 e! n4 C, a. n5 y: q
- BCS Track_Enemy_Ex_X_Greater$ \$ h6 T& v& a
-
) r3 Y! `8 n8 y- ]* h2 C; M; v - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
8 g, d; M6 h, _9 I# _ @ w& i - CMP #$FD* P! d5 [& J- C( F8 E! G) r
- BCS Track_Enemy_Ex_X_Less_End
1 F5 L4 E- O+ j& K - LDA $6020,X0 H2 Y; l0 a( }
- CMP #$2A* |' K) j- s, P/ M$ a+ X
- BEQ Track_Enemy_Ex_X_Less_L1
* ^0 k$ j9 g/ |+ S& d @$ O. u. m - LDA Bullet_Z_Pos,X+ P& f& e) O( `3 h5 C; e& p# w
- LSR
" q7 R) H t6 z; I. c& U - TAY
! A6 }! r, l8 n9 L4 S - LDA Bullet_Speed_Data_Ex_R,Y- i# ^ j; U4 }# H# L E+ C
- STA Bullet_X_Speed,X+ l/ n8 I5 ?- R2 O. u% F
- RTS- h! y B# E& E" x9 m
- Track_Enemy_Ex_X_Less_L1:
) S" m% k8 [- _1 I: d
. `* ?7 R% s! V3 S. s- LDA Bullet_Z_Pos,X7 t* V6 c6 _( i- ^# z/ \, t
- LSR
. t7 F6 k6 c+ }/ L - LSR Y. K- w+ A$ i7 r: f- ^* e9 y
- TAY
- j7 _' g+ I) M* N - LDA Bullet_Speed_Data_Ex,Y
) x6 {. U+ M4 g: Q7 z8 j* ?( } - STA Bullet_X_Speed,X
5 F* r1 k$ l9 _$ c* E1 i/ A - RTS' K6 p+ f' q- V" n8 ~% [! ^* X
-
) ?$ N' M/ I+ Z: o- e - Track_Enemy_Ex_X_Less_End: {0 B* q0 a, D. `
- RTS9 F" {8 o, [: Q6 T! d" ~
" C* y" F3 ~& V, d9 K- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
5 t0 w9 }! l6 N- l - CMP #$039 L: t+ _5 b/ a) {
- BCC Track_Enemy_Ex_X_End
p& X4 t! K4 |# t9 z, Y% R - LDA $6020,X
) V! ?# r. z7 R6 y: }5 A' Y - CMP #$2A' d9 k" T$ C! Y' G$ ]5 J3 T
- BEQ Track_Enemy_Ex_X_Greater_L1: V" T1 H) s t4 r. Q5 u# w1 y6 r
- LDA Bullet_Z_Pos,X* g5 J4 z, @% k
- LSR1 r+ _4 {' Q5 F5 T3 {1 V9 R# G
- TAY+ {+ I8 g. r" t/ [; H- j6 _
- LDA #$00
4 t" w$ y+ F- y1 h% h7 H - SEC
$ p9 [1 }+ ~' n* z7 @- y/ Y - SBC Bullet_Speed_Data_Ex_R,Y0 E4 P' p$ G1 }, _6 g7 @0 P
- STA Bullet_X_Speed,X. w: L2 Y$ E1 a/ V
- RTS' b) e' I7 S; s
- 5 h5 f" q2 N. g
- Track_Enemy_Ex_X_Greater_L1
. P7 Q- q& h9 V2 y6 `8 Y - LDA Bullet_Z_Pos,X
& g' ?4 j+ ~& ^% e& K2 n* A! K1 y - LSR
4 d: `; v. e# D8 X. ? - LSR/ }7 o9 w( p$ J7 j
- TAY! R4 T) N4 x: T% i* A+ [
- LDA #$00
V$ j8 H. y g - SEC8 r1 x" J- o8 i. ^1 k9 F
- SBC Bullet_Speed_Data_Ex,Y' T8 H& X" @! E! T2 Q8 g
- STA Bullet_X_Speed,X4 c$ r; F' C' ]2 S/ R
- RTS" v$ E$ d/ q8 j9 j! ?
- 7 V; ~1 ^5 u/ ~' u. W* U# I" ]
- Track_Enemy_Ex_X_End:
6 f- y7 a+ R2 u5 r, R - RTS
+ P! D; G0 W; T' ?# H8 V& Z: z - " _8 G: G V: p$ W8 B
- ;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); A( V7 R" h0 G& c
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
/ i0 Y+ _! @) [' S! p& T - Bullet_Tract_Direction:
4 H( R6 n. w4 l! i - LDA Bullet_Icon,X8 w$ W3 C1 Y5 u: Z
- CMP #$23
$ [" ^: o. s6 C# A8 d' P - BCC Bullet_Tract_Direction_End
/ l+ y4 T" ?1 T. U5 a4 @" q - 5 \' i d0 [1 v
- ; X != 02 C4 a$ Y+ U9 S8 B. t
- LDA Bullet_X_Speed,X
$ j2 @/ q' z) [) Z$ x& L C( t - BEQ Bullet_Direction_V
. o$ o+ V+ i# p- H( T - * }: I; N. f4 O* f
- LDA Bullet_Y_Speed,X
$ H0 t% Q4 Z, J# k/ U, V2 o. Q. o - BEQ Bullet_Direction_H5 J9 m# k' K5 m, O4 L ?
- + F" B: c$ Q ]
- LDA Bullet_X_Speed,X
1 E5 O/ F- D/ L - BPL Bullet_Tract_Direction_Right) g& H/ L6 p; f+ @; x* T
- Bullet_Tract_Direction_Left:
! Q0 i, G6 r: S" q2 g - LDA Bullet_Y_Speed,X
0 X) @ D, t% L; b0 c9 H - BMI Bullet_Direction_Left_Top
- m \4 y! x" B/ I; H( ? - BPL Bullet_Direction_Left_Down
- j7 [4 J& b. t7 I7 w9 d: n - Bullet_Tract_Direction_Right:7 {! z( \5 i' Q! Q% {
- LDA Bullet_Y_Speed,X$ O7 O& |$ \# { Y# r! S/ c
- BMI Bullet_Direction_Right_Top* e K( }. {& |. T; u) ?! D9 b
- BPL Bullet_Direction_Right_Down9 D1 Y& S8 ^- q; V
- Bullet_Tract_Direction_End:; H0 p2 h9 Q8 ]# [
- RTS" }2 N- I Q$ @1 Q3 }
6 V% h2 F5 u+ {3 ^. J& l" y: L- Bullet_Direction_Left_Top:2 D, D6 f7 V1 ^2 b9 J1 D8 b
- LDA #$25
+ V1 S- T3 J) T* o - STA Bullet_Icon,X
( f' d7 N7 j' F( T1 g - LDA #$C0# g$ s1 d e) L Q! E
- STA Bullet_Direction,X
$ Y1 z+ @. W2 M, H9 f3 d - RTS/ E6 j$ e1 K3 o' L% V8 [+ T3 d# b
- : R" A( p6 k) B+ `+ G# [( c/ x9 l
- Bullet_Direction_Left_Down:
) f- s9 J5 W1 D& d1 T - LDA #$25
& e; [1 U- T w+ w - STA Bullet_Icon,X
, Q- A; B4 _: K! Q5 E. } - LDA #$40
' ^$ `, |3 u! |2 S) U! q - STA Bullet_Direction,X9 i% U G3 D9 R) F
- RTS4 I; V9 y. T- A% w
- 5 N9 T; t" C" ^1 p- Q: F# M
- Bullet_Direction_Right_Top:# j0 ?8 v$ s' h$ O& G& B
- LDA #$25
" G& z. o; j2 w* H$ R6 u - STA Bullet_Icon,X1 V+ s; r4 Y0 f, z9 s
- LDA #$80# L3 O i$ n# | X, T# E1 J
- STA Bullet_Direction,X
( W/ a! w" [8 \/ k - RTS
3 }9 S9 m' b% M' Q4 U) h" Q. {/ n" t - * I1 I- q6 P8 y8 M3 L
- Bullet_Direction_Right_Down:
: G+ C( z- N& T9 K' i+ Q( ? - LDA #$25/ Q! b" X# O2 C* a2 R
- STA Bullet_Icon,X5 j% K ^/ z5 d+ n* I W
- LDA #$004 U, r/ c+ n/ {1 ?% ~3 l
- STA Bullet_Direction,X& n/ y4 |# ?6 v3 t. A2 i
- RTS2 o8 V9 q- Q0 Q/ i1 Q. e8 l& r, x
' n9 a; C5 l5 u1 Y7 R6 |- Bullet_Direction_H:/ P7 i: W( B. }' J" h! i! u
- LDA #$24% @" I! K0 F3 a5 I" x
- STA Bullet_Icon,X0 D# v! `5 N* L8 c! \
- LDA #$004 L/ z1 z7 t [+ b4 l
- STA Bullet_Direction,X
B- S/ A. N) ~2 \+ l6 I; ~ - RTS
6 o7 { ^( S* M6 ?7 d; h
: H& w5 C* S- O) `0 Z- Bullet_Direction_V:
( J- A% T' N% x8 l- g9 u - LDA #$23
( H2 S( Q# T/ t7 Z: J. W - STA Bullet_Icon,X9 G4 P5 u9 R# D% B) P; `
- LDA #$00
( P- ]$ ]4 w. r) N4 W1 k8 @9 R - STA Bullet_Direction,X
! r) Y5 u$ R$ C" P - RTS0 [( f$ g& E" f' n
0 a# j E' v3 ?- Bullet_Speed_Data_Ex:7 ], E# s+ {$ ]. b% n: ]8 V
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04- I$ i O9 s4 r7 \4 j' k M
-
% x( _9 A( _8 \$ j# \7 ~, `, y3 C - Bullet_Speed_Data_Ex_R:
5 n I" P# f0 h" \( h5 O: _; G0 C - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
7 B; C6 p7 \" W2 h7 a -
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