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[FC][魂斗罗][J][追踪弹]$ N+ Y, j$ M% B% v, w+ F
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时间:2023.04.30+ K3 }$ G3 K. L& I
作者:FlameCyclone
, L5 R$ k M+ l. Q1 i0 }/ I7 w1 r内容:
/ @1 e5 r- u& m 1. 所有子弹追踪敌人
7 ^3 G, v2 {* H1 Z 2. 选择键切换武器
% O, F& v( n' q# `' j 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6 f% _- y( F4 L" q6 H
7 R: C/ |, d9 f5 I- q Wflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. J$ R# f8 @: x8 `2 ^4 E - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
( e9 {8 \6 }& S! v. @* S. T/ e, T - 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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) I9 S6 _5 R# O# _( v/ H1 r% B0 j- ;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)
, U" F: l4 @4 M/ c7 X- G( Z - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上, t5 o2 f: H9 Z( ?, Z, N7 `
- A+ G3 I( e, F1 n- ^/ b. ]
- Track_Enemy_Index = $6000: j2 Y7 _! z+ g4 R; f
- Enemy_Index_Begin = $6010
. P, f% f! H5 b. o0 \$ U - Enemy_Index_End = $6011& G/ z; e5 G/ U4 y# ~" @0 n" f
( t0 T1 i. r# e1 k) V- Loop_Index_I = $6012
+ m- U3 h1 R4 z9 j; h - Loop_Index_J = $6013
! ~% v# h9 D6 y, Y - nEnemyIndex = $6014
3 O; `( _0 l v9 Q - Data_buffer = $6015
( d7 N1 E3 S* G4 t* |- _3 D - 6 Z+ `9 h/ z: }+ p/ S
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标- T: E$ R" p# X! R6 I! a! ~" i6 E
- Bullet_X_Pos = $03C8 ;子弹水平坐标; C8 E' g; v9 I1 {- {
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
( }' t) v/ N5 n. k4 d7 U - Bullet_X_Speed = $0408 ;子弹水平速度; W) N* q, b6 v- t# r
- Bullet_Z_Pos = $0418 ;子弹Z坐标8 g& d: k6 p3 Z% i
- 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) F. `! w- ]+ u5 q
- Enemy_Blood = $0598 ;敌人血量
' Y3 }1 Y7 _ X2 t! ] - Enemy_Type_Addr = $0528 ;敌人类型 S2 ?& v9 P) z9 ]! r0 a
- Enemy_Blood_Addr = $0578 ;敌人血量4 p( m3 u- a6 W( Q* r
- Enemy_Y_Pos = $0324 ;敌人垂直坐标& r2 h- M' o) z1 z# ~- }
- Enemy_X_Pos = $033E ;敌人水平坐标+ k) }. Y% }6 c4 I% o
- Enemy_Y_Speed = $04E8 ;敌人垂直速度2 W5 M0 R3 V5 P, z
- 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 ;6 F* Q; ~* H. k. Z; j& f: a
- Time_Count = $1A& C; l( l& W& w2 t# [3 ]
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率; @+ J6 m0 K* R& `
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- 5 u: _! M, _ {' S9 _. |" R
- .ORG $6100
& J3 h1 b# c; \4 t( } - Process_Begin:" {9 E @0 r* ?/ Z7 o
- JSR Enemy_Check
: M; W5 l( i$ J+ M _! \ - JSR Track_Enemy_Check
. F6 [. t' F1 l- C' w& W - Process_End:# P/ @* T' x" b! K6 @
- JMP $E54F
4 z+ u6 K+ e; @: w
% T+ C6 L5 k( N! M- Enemy_Check:' y, G( ^- ?) y
- LDA Time_Count; @) i8 L: v/ c9 r: O
- AND #Track_Bullet_Speed
8 a2 V8 N( } @4 e - CMP #Track_Bullet_Speed
( h6 [+ X r: {5 k# R3 V - BNE Enemy_Check_End
: f9 D$ D! x3 H - LDX #$0F
3 K/ Y- O2 h$ H4 {, g! @3 F+ _ w - Enemy_Check_Begin:- ]) Y, U- v3 n* B- A: u$ T* {) y
- LDA Enemy_State,X! X& s% r" ] w9 ]) r0 x6 ~
- BEQ Enemy_Check_Continue% i5 j1 u9 h' k
- STX Enemy_Index, t% C2 E, Z% w. N$ O0 w% F
- JSR Find_Begin_Enemy
$ i1 z5 h+ B# U3 G - JSR Find_End_Enemy% a- B% D {1 n4 Q6 X
- JSR Bullet_Track7 Z3 ^8 g6 ~% l9 E) i
- ! B! X4 Q9 x# X7 u3 B
- LDX Enemy_Index: o/ G! X# g8 b1 j; w8 ?' L- `
- Enemy_Check_Continue:( v' I- j0 |+ U' t- f1 T- _
- DEX, l4 a4 o; o3 P( q
- BPL Enemy_Check_Begin8 t% m2 U c+ t+ d9 ~
- Enemy_Check_End:3 \3 B8 @( l2 g" X
- RTS
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1 y1 ^' c J( ] {2 V - Track_Enemy_Check:
( f; {# u1 y# E+ r - LDA Time_Count/ N! S7 L/ b6 x; A$ v( i
- AND #Track_Enemy_Speed9 F/ o, r6 J1 x1 C y
- CMP #Track_Enemy_Speed& P) T& g% ?$ W/ e
- BNE Track_Enemy_Check_End
4 h0 e. c7 A2 c5 O - LDX #$0F0 }- }7 k* [ j2 Y g/ E
- Track_Enemy_Check_Begin:- U2 K+ [( E" V9 C( A) ]( C
- LDA Enemy_State,X4 @) X* `; k( e+ n6 L
- BEQ Track_Enemy_Check_Continue
% T9 u5 u! e. |+ C* e - STX Enemy_Index
: z, x# n$ i& c+ s' q/ t - ) X! r. a8 f8 X9 Z0 n
- LDA $40. t6 D' B0 ]* b" o f+ B
- LSR; P5 _3 }8 Z; f; ?3 y, o, C
- BCC Track_Enemy_Check_Begin_L1 X q/ X# k, e5 C
- 4 ~/ [, d8 @ t5 N" F3 U5 I
- JSR Track_Enemy_Ex ;2, 4
. l8 k7 _4 t& w8 f0 A - LDA #$00
" Z0 s, z. ^: v* t - BEQ Track_Enemy_Check_Begin_L2. {, }9 j' A, ?2 y0 C
-
* ?2 e. R2 C+ k! V, W M$ s5 N - Track_Enemy_Check_Begin_L1:
- X0 g' b3 J$ q2 M# j# S% |5 d6 [ - , b+ i' q. }0 c, f' C) _& m
- JSR Track_Enemy
: M/ W* u7 J) [ - 1 w1 P& z' \ O
- Track_Enemy_Check_Begin_L2:
5 L5 M) m; t" t3 `( k6 _ - 5 V, a( L& v9 \4 \5 G( v
- LDX Enemy_Index- z& ~* f1 q0 {0 l4 n q1 p1 m, k
- Track_Enemy_Check_Continue:
5 z( ^9 k7 _! J J3 u - DEX
, A. c& v- {( z* V% v$ ] - BPL Track_Enemy_Check_Begin$ [( N9 s: U% ]. Y: {1 D
- Track_Enemy_Check_End:
5 x# G8 D( k7 ~5 m5 z1 O% w! G - RTS
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! \5 b6 {7 p3 l& E. v/ C- ;查找第一个敌人4 q0 _# b/ g6 ^+ c- |9 J0 x* J
- Find_Begin_Enemy:2 p/ z* \; Y% {5 G3 d x
- LDX #$00
' d: s) k5 c# K% d - Find_Begin_Enemy_Check:1 `* {6 ]2 ]. |3 X' {2 s
- LDA Enemy_State,X
/ y& J1 C% R+ J# r' F% F! H - BEQ Find_Begin_Enemy_Check_Continue! Q8 i$ E/ w# f* n/ d5 K
- LDA Enemy_Blood,X: t, W, L" R2 ~! ~
- BMI Find_Begin_Enemy_Check_Continue
) M6 o. }& o# C/ s+ s - BNE Find_Begin_Enemy_End
7 {: s' O% C* ]- ~6 J# K - & K, @, g9 [" e5 ^7 m; ?
- Find_Begin_Enemy_Check_Continue:
% i6 H3 y. K( z' h0 c* j - INX C8 ^: ]: |' Z: I5 W9 I. {; ~0 I
- CPX #$10
: k7 d7 m7 E& b* @- A - BCC Find_Begin_Enemy_Check1 j) J+ Q1 R: A& `: U- U" L$ r# _$ R- r
- Find_Begin_Enemy_End:! J" N. z& U( X+ [0 l
- STX Enemy_Index_Begin
1 ?$ y" v9 g. b q5 `& H - RTS
4 `' P' o& v4 P4 p( w2 v$ i - 5 m- Q6 k' u! r" m: U; P* c) M
- ;查找最后一个敌人 g: I- [) d( B" o* x2 g) c
- Find_End_Enemy:
6 y. O0 x6 s: R - LDX #$0F
6 h7 n4 L! |0 q }% _9 S! t6 }1 i - Find_End_Enemy_Check:
8 p% k' g' W3 [1 z - LDA Enemy_State,X1 q) r; o5 h2 {
- BEQ Find_End_Enemy_Check_Continue( K9 v5 Z' w4 F
- LDA Enemy_Blood,X
. V0 ~6 }% Z! ?3 v( \" O1 }# F - BMI Find_End_Enemy_Check_Continue
; ~( F% i& ~- P0 J - BNE Find_End_Enemy_End' q" G. J6 z; k6 d: A
- / e4 T! b5 L! @# s
- Find_End_Enemy_Check_Continue:/ |6 C' p) r; ]6 D7 P6 m6 m2 s2 t
- DEX: Q1 a" O) B/ Y
- BPL Find_End_Enemy_Check
7 t* w0 p9 J4 _9 C - Find_End_Enemy_End:) z2 L$ y1 N7 C* @/ `& J. o6 j
- STX Enemy_Index_End
3 I% o. m8 g+ f: l. b) h3 H) W0 _ - RTS# c4 n' }: \; `5 s( ^% e& N3 N
! \" B* P! K; g* l5 E/ l5 Z- ;子弹追踪5 m) f" l9 q, U/ g+ N J V
- Bullet_Track:
/ J- z. ~8 R Y; @$ L# C - LDA Enemy_Index_Begin" A3 U ~) K- |! g
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;0 H# i" S' r7 M( k7 S% T
- LDX #$00 # ]/ k) d; L' n7 Y1 ^
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
# E. O1 h$ z9 g1 G) b6 Q - LDA Bullet_State,X( l2 f/ H" U( D$ C( b" D1 Q
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;0 |9 w) ?( j8 x F7 w% X
- STX Loop_Index_I
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- JSR Bullet_Track_Enemy: V6 |9 [( Q6 Q' e% ^- J' T+ r+ ^
- JSR Bullet_Tract_Direction) e! ~, Y; v3 r5 f+ K7 a
-
1 r {4 C( \0 j; J4 [* [ J! T - ;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: L" P- X2 }) }! T" `' ^: ] R2 s5 I
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
& l' I- c. P3 N4 p/ D( l7 [7 W. r& \ - LDA nEnemyIndex' p, C# O; F1 }6 A1 b
- CMP Enemy_Index_End
% J* ^6 e# [/ Q7 r2 }) o3 l( T - BEQ Bullet_Track_Check_Continue/ m; j, v* D& z7 Y! S
- BCC Bullet_Track_Check_Continue
* @8 q2 U5 o+ R - LDA Enemy_Index_Begin
( Z1 h# D& c3 l _( H- l" x - STA nEnemyIndex
/ B- E5 o$ ~/ h9 z8 ?1 K2 q - 0 [0 w# c' W6 H( i
- Bullet_Track_Check_Continue:" R- i9 N& [: u# [% B
- LDX Loop_Index_I& E7 M. P" _' t: y
- Bullet_Track_Check_End:0 J* n$ `' H' _* C1 s8 r4 U4 ?* i0 K
- INX- l. Q! W ]* _& T+ @
- CPX #$10
- a( e( f7 K( o: x, q/ c/ l+ D - BCC Bullet_Track_Check
5 C; ], T/ g9 O - Bullet_Track_End:
& \ T+ N& N- P8 [0 _$ N. c' z - RTS. m$ K4 Z5 |7 v
- ( e0 q/ w9 r; K1 A' R4 O7 Z
- ;给敌人分配子弹
8 G3 R# z/ R, n3 g3 O+ `' | - Bullet_Track_Enemy:
% O+ o; j/ g* G! u5 i* C - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)& v7 X1 Z% H) g# M& k
- Bullet_Track_Enemy_Check:; L/ G) }2 a' ^
- STX Loop_Index_J$ R- R+ q; Y. n: O% V9 E
- - W* z9 ^: y' Q# F9 X6 X7 q, t
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
' z/ r/ ^5 S3 H4 j/ x - LDA Enemy_State,X4 c, M9 G) E# K0 k% D3 `. @
- BEQ Bullet_Track_Enemy_Check_Continue8 \" q2 ]$ w5 A5 V( v5 q
- LDA Enemy_Blood,X
5 P \2 s! q9 O* j; G* [+ A. Q - BMI Bullet_Track_Enemy_Check_Continue9 p5 I8 A6 H; l: s
-
" M! e2 ^% Y- ^' A+ c4 f6 v5 _ - LDX Loop_Index_I
+ i$ A# G! k, b8 V5 e+ j - LDA Track_Enemy_Index,X
3 D+ ~1 S; o. M# q# Z2 } - CMP #$FF
# [2 ^! Q. u* L4 R; I- `6 Q - BEQ Bullet_Track_Enemy_Init4 S G1 a: a( L) z3 R* |
-
/ v$ Q0 E' M' j" i+ G - Bullet_Track_Enemy_Init:
& E& R4 @+ Q$ d/ D - LDA Loop_Index_J
8 b& V, A8 n" [" R% W7 B - STA Track_Enemy_Index,X ;nTrack[i] = j;
- ~& y9 N$ w/ [/ d4 L3 g -
' ]( T& Z: t) k3 K - STA nEnemyIndex; D4 U" Z7 W. J3 X
- INC nEnemyIndex ;nEnemyIndex = j + 1;' E9 R- v5 y$ w+ [
- RTS ;break;+ Y8 K! f; {+ p
- D5 L7 R* T" Z7 o& A3 b; o6 B- Bullet_Track_Enemy_Check_Continue:
+ |% T$ o$ G* o% P/ d - LDX Loop_Index_J3 k. T9 l! v4 g
- INX ;j++
+ e* l) v! g, l - CPX Enemy_Index_End
! ~8 _5 D0 P$ d - BEQ Bullet_Track_Enemy_Check
* }) _8 X0 K }8 g: }- [ - BCC Bullet_Track_Enemy_Check$ a6 w+ I: k; U" f8 \% P
- Bullet_Track_Enemy_End:1 J- t7 e& Z1 Z& |3 u: B
- RTS
5 K' n: G/ e4 S
' z) \ K, ~" J8 y# ~- Track_Enemy:8 l4 P& H6 s4 _/ [$ j
- LDX #$0F
% x9 r5 }7 N" l- P - Track_Enemy_Begin:
% \! k5 X5 l3 j5 M - LDA Bullet_Icon,X c0 p# ?( N+ j* i/ S
- BEQ Track_Enemy_Continue5 b8 C! a8 N* K" c4 t! c9 G; [
- LDA Bullet_State,X% j# Y8 x& {4 Z m, z
- CMP #$01
! P* }; q" K" h5 m9 p - BNE Track_Enemy_Continue+ q$ Z& B! B Z8 g; _
-
0 b& o, f4 n5 J" ?0 h - JSR Track_Enemy_Process% L. L" _ m! y' L
- 4 ^; ]+ _; B5 |0 J
- Track_Enemy_Continue:
8 V8 M' R" k* @: D9 e8 }# F - DEX+ G. j7 U$ V- O9 k8 w8 C7 f
- BPL Track_Enemy_Begin
' _. ?$ D3 L1 |, \5 c - RTS
/ \) ] y- r, ~& O' X/ E4 _3 A: i
/ @# I Y8 h5 B- ;普通关卡
6 m0 K0 E' Z5 Z - Track_Enemy_Process:
0 ?8 { K! m! D5 t7 r$ p - LDA Track_Enemy_Index,X
9 \9 t$ r: ?4 n - CMP Enemy_Index+ T/ ]0 ~9 f! ]$ [
- BNE Track_Enemy_End
' N$ I: A7 W: [$ b: L - LDY Enemy_Index) x- \9 @( Y) F b% ]! w
- JSR Track_Enemy_Y
: O: C; L) e2 v+ P - LDY Enemy_Index7 \# t' N3 `5 a* x$ h5 [) \8 C2 [
- JSR Track_Enemy_X7 w) j, }9 W( w0 E5 u9 ]+ {8 l
- Track_Enemy_End:$ [1 Y- }7 s% e, h5 G+ ?
- RTS
( t+ D: _( X' V8 {4 g- t& q+ M - ! [$ ^0 Z$ V; v
- Track_Enemy_Y:
8 g! e9 c) |8 ]+ [; l u6 Z, q6 Z - SEC
7 Z, s7 c9 b8 j$ h - LDA Bullet_Y_Pos,X
7 K* v' g2 Q1 u5 x9 Y - SBC Enemy_Y_Pos,Y
+ f- r7 P) M" Q# m* U* Y - BEQ Track_Enemy_Y_Equal& }% q: t& \. Z$ ?% B! P A& ]
- BCS Track_Enemy_Y_Greater% j) i* W5 X9 w. r7 {7 _
- # K( k5 q8 f5 F6 Z+ Y& d1 ?& D D
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
9 L$ y' |* j4 @' a5 U - CMP #$FC
; j# ]% |" Z1 Y8 D' w$ y/ Z - BCC L1_1; u, w' r- i1 @7 O* X* m
- CMP #$FE
; L% U' g D& B) d0 n+ L - BCC L1_2% v- o4 S+ R7 u
- LDA #$00
2 {9 n9 f3 D+ a& y9 k3 I# z. M - STA Bullet_Y_Speed,X# W) ?4 K0 r& `2 H2 J6 y
- RTS
9 z [# V* q0 F% n: ~ - L1_1:
/ a: M( u: @! `: j; `" | _ - LDA Bullet_Type,X
- a+ A9 [: m$ B+ u, I6 z/ o - AND #$0F
6 n. i/ j& Y; z( l4 [ - TAY
; F3 @+ K; T& u" L& Y - LDA Bullet_Speed_Data,Y6 O$ v3 z6 n5 ?# [5 V: I: @
- STA Bullet_Y_Speed,X
8 |. X" N2 K1 P3 z% F. e- G3 { - RTS
7 f: P% i* k5 ~9 _ - * S _1 ~% ~( j; m$ @
- L1_2:
# z+ F/ ^+ F+ h. u4 j2 |$ C - STA Data_buffer( q, J9 K6 I1 O7 S- `. u8 U U# U
- LDA #$00
; A2 x) x4 ]: r. r0 { - STA Data_buffer- y, Z4 V: S' Z% f
- LSR0 m' `$ B" U9 s5 B) p' s0 v
- STA Bullet_Y_Speed,X
& J+ N7 M9 y9 P! }. e5 c& k - RTS
1 v$ y! K6 r( \% V& p4 s; o - ; u- u$ e, P+ E0 I! ]* u) n
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
3 [9 z. T, m* y" j7 }2 ^ - CMP #$04
- u( B; Z3 _' q' q# w - BCS L2_1
% }$ T2 H; A, z+ p. h& [! O - CMP #$04
2 g+ Y" k8 p& }) c- K - BCS L2_2
& b# g7 o* R; O+ m" ?! z( @ - LDA #$00
j: g4 D$ |9 q- r& n( Y" P - STA Bullet_Y_Speed,X
f" H L( h' i1 x5 d; C* l - RTS
; u8 X5 i7 a7 ?; @$ q+ X; {& m -
5 j0 K, o2 k6 ~$ H! g4 [ - L2_1:* v0 p; f0 S; D; {9 L. j: z6 C2 b
- LDA Bullet_Type,X1 _% T$ }- |5 |+ I( N2 F
- AND #$0F3 c5 P5 m6 f" S: u# E3 o% p
- TAY2 X+ a, J7 U/ F4 c4 n9 z
- LDA #$002 h8 m, c* ]) I9 t( I2 J+ b+ t
- SBC Bullet_Speed_Data,Y
0 Q# X( V! G3 ~ - STA Bullet_Y_Speed,X2 l. [, G, z. H+ H
- RTS
/ F9 ]! c; y! V; m) u q) l -
1 ^$ [+ U" n3 z8 }% S5 k% a - L2_2:
0 O# H& V+ @9 d - LSR* V- L& t5 _3 ?3 t0 Y' _. T' s& l
- STA Data_buffer7 P6 ^* [& e1 p' i; Z
- LDA #$003 c# n& x3 W% ~$ W* M
- SBC Data_buffer! T* Q+ c3 g8 D5 H$ \
- STA Bullet_Y_Speed,X
. Y- T* X3 I+ p# a- h - RTS
% z8 F7 `& W J' F# K+ j; s* W - : P" |& V2 y7 `- L) m, g% f
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
& U* @ B+ f G5 ~! a/ @# r - LDA #$00
! G k3 w7 V/ y8 q# }# ^) i - STA Bullet_Y_Speed,X
, l7 b& x) h4 w8 Z7 U. q9 ?: x - RTS; P# s2 k" t0 d/ {; I9 d. F
- m; v1 o- Q2 z c1 Q6 K' i: [
- Track_Enemy_X:
. q1 N' O8 q/ H! i; s7 `% ~ - SEC0 _) }7 D, q0 n! K$ Z( t1 Y2 G0 {
- LDA Bullet_X_Pos,X! ]. E- J9 @2 I8 D
- SBC Enemy_X_Pos,Y2 V* O* J. O( R# Q8 g! i e W
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X) `7 G& c( C$ r- P$ B# k U
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
5 q3 W; H: J/ ? - 7 [ x, p" Z3 E* J3 O1 _2 T
- Track_Enemy_X_Less: ;子弹X < 敌人X
1 b' X, r- w' @5 h* P2 B - CMP #$FC
+ h% C7 ^/ q( K5 ^ - BCC L3_11 a0 {! N3 a( m2 l
- CMP #$FE" c8 K/ S4 z) Q+ T1 g7 s( s
- BCC L3_2
- l0 G4 K7 {8 ~3 M - LDA #$00" a* ~' r0 y4 g/ V1 }
- STA Bullet_X_Speed,X! g4 C& `0 a) ?" S$ s6 e
- RTS
: A) [3 T+ y4 r1 ?: p! P0 ] - L3_1:
1 U' ^8 d+ N6 c" Y4 G - LDA Bullet_Type,X
4 W# W- N8 ~- z; O# C& ]3 U2 q - AND #$0F
2 }5 Z [% V; G9 a) @, C; S - TAY
1 k% |* D3 f7 S4 g+ b0 L - LDA Bullet_Speed_Data,Y
& M# w3 F! A# k' \! _" g( E - STA Bullet_X_Speed,X! h" ^7 I: r7 @$ E% R/ c
- RTS
" r0 f1 p/ R: x [ - L3_2:
% E% y* L( D5 A - STA Data_buffer
& q. Y" O$ G1 _( S* d, g - LDA #$00
1 l1 k) ?! ?* ~* ? - STA Data_buffer
' M0 e) t q6 ?- f- n, ^0 { - LSR, Z+ b) @+ g1 R6 l Y7 i1 E
- STA Bullet_X_Speed,X
/ Y' B0 Q4 Y m z1 n) q5 K4 Z - RTS
% y5 _1 x9 \, S+ d3 m# B n - 2 S& ^5 ~% S! Z7 W0 x, n
- Track_Enemy_X_Greater: ;子弹X > 敌人X% F% w$ Q1 {) ^$ Z' F
- CMP #$04/ z y- x: A4 I) ]
- BCS L4_1( H8 u5 _0 s( q0 M' c
- CMP #$02# m8 H3 \2 i/ R
- BCS L4_2
# ?$ Y8 s7 _( G c - LDA #$00
' l" e e6 i% k9 t - STA Bullet_X_Speed,X
( @; h& s2 O# o& k7 r5 u5 J/ O - RTS) H6 q+ f Q* m+ k- I4 y
-
@ m3 C V! y - L4_1: , x) ~1 E; W8 ]5 u" A5 ^, O& d
- LDA Bullet_Type,X
2 T7 j. o0 L+ @7 G - AND #$0F. Y1 I& X6 f# u& P; q" I
- TAY
6 Z* A% x' b& q2 X* P' w* G - LDA #$00
1 e( T% ^3 j$ M* ]# a' I& V - SBC Bullet_Speed_Data,Y# r6 J8 ^* p4 E' N% f5 B, c8 T
- STA Bullet_X_Speed,X" ^! P6 X: Y2 u1 Y* ]$ ~8 }
- RTS
4 X0 f3 H" h8 s2 @ - L4_2: - _: T3 p! X6 l; j2 \6 e4 x
- LSR( `7 O6 w3 C6 |7 {& a, P) k
- STA Data_buffer8 ~5 m6 l5 a6 Z q" U
- LDA #$00
, i" [ F o0 g9 y - SBC Data_buffer
; G/ q5 J+ ?2 L' | - STA Bullet_X_Speed,X
( { }, B/ q, y/ U1 d5 ]3 q - RTS; t$ B4 W( e' Q
- ; R/ r" T0 o6 x! h
- Track_Enemy_X_Equal: ;子弹X == 敌人X* H8 M/ g$ `5 g5 F+ e0 q% _4 ~
- LDA #$009 z: k3 A4 e8 r! m- \8 a# f# n, o' \; {
- STA Bullet_X_Speed,X" X. L! \8 g6 ^: N" i/ D% k
- RTS/ S) g9 c/ R5 Z
-
( f" f- b# B0 i& t# x* E8 x+ y - Bullet_Speed_Data:7 J) q# Z0 {# i7 {. e2 o% P
- .DB $00,$03,$03,$02,$03,$03
$ v6 ?8 j) ~% I$ a$ v -
7 m/ k4 k3 C8 s# O8 N - ;2, 4关
5 U7 z! {7 M: i* ]( R+ S - Track_Enemy_Ex:
9 j# S% K; U+ v3 C8 ^4 d9 ~) [ - LDX #$0F
+ [6 N3 U F& b - Track_Enemy_Ex_Begin:
. T" v0 E2 W! ~
* `& Z3 d. ^3 z4 V* Q- LDA Bullet_State,X/ S# A) C0 q+ M6 T
- CMP #$010 J+ l% [ G) K0 S7 o
- BNE Track_Enemy_Ex_Continue4 C* B% p% ~. ]$ R. G3 \. Q
- 2 d# v- T6 o. A7 p
- LDA Track_Enemy_Index,X* `- x' m, h* ~0 f. D& ]
- CMP Enemy_Index
2 z* u% S7 L P, t' M6 v - BNE Track_Enemy_Ex_Continue ;匹配追踪目标7 [" q( X. C q3 N: \4 N
-
. }# _" ^. I5 E. M8 ] - LDY Enemy_Index7 t u- D- q( ^. ?
- JSR Track_Enemy_Ex_X1 T+ y" k+ h: l5 n' ?( j' F( a0 G
-
) O5 O( B+ j7 q- M' A - Track_Enemy_Ex_Continue:8 x3 ?# P, R9 ]' l5 y7 Q
- DEX: k! z4 S: l2 H
- BPL Track_Enemy_Ex_Begin6 n( _: X5 O" j1 Y
- Track_Enemy_Ex_End:
9 R, V4 u" B4 l( T/ {9 Q - RTS
+ E: I; U9 o' w" J -
: d! @* |) M3 E! g, e - Track_Enemy_Ex_X:
6 b6 p7 ]0 ]' [: l; s4 v - ;LDA Bullet_Z_Pos,X
Q0 A8 l" }8 ~2 j1 @% G; Y4 @( ]2 N - ;CMP #$04
/ j& Z) Y, D. H. ], L/ ]! R9 J - ;BCC Track_Enemy_Ex_X_End
1 L$ C# h" _5 J+ y$ @; q0 B( R* P* G - SEC
0 s" P' V9 ^" R9 { - LDA Bullet_X_Pos,X
" W8 D' }4 Z4 @9 q( V - SBC Enemy_X_Pos,Y4 p! @+ v$ N4 z/ f0 Z9 ?3 y) g
- BCS Track_Enemy_Ex_X_Greater: K- B2 n# n6 D+ {5 J* ^4 s
-
* M* X b& `6 P9 k7 V* j - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X0 n; X9 X$ y* ~
- CMP #$FD
+ _$ m2 m- g! `' l' G - BCS Track_Enemy_Ex_X_Less_End
* T. {7 J$ T3 A% ~8 O n( O - LDA $6020,X7 M7 {: S* f8 |* A
- CMP #$2A# v0 r+ ]' ~. R; @: H, ~( e7 F( y
- BEQ Track_Enemy_Ex_X_Less_L1, u" ~$ E- B( }# v5 _& r4 D
- LDA Bullet_Z_Pos,X
1 g$ I: P5 G1 b$ b" X - LSR
. B8 R+ b/ ^5 J( n. `0 Q6 R! O - TAY
* _/ l( Q2 ^, C! d/ p - LDA Bullet_Speed_Data_Ex_R,Y
& w$ N8 X- b! H5 E - STA Bullet_X_Speed,X
5 V7 D+ L3 k6 h - RTS- |7 p( S/ T' c
- Track_Enemy_Ex_X_Less_L1:$ }* w* g3 i: V* ]: f$ u3 C
- 9 m7 d( c8 r: [, I7 B
- LDA Bullet_Z_Pos,X: |5 o) \+ E6 @& D+ \
- LSR. p$ P; I# n9 R) B" p
- LSR
4 s7 _; U% _$ n - TAY
( h. k8 i2 w( K' }2 b r5 Z1 d - LDA Bullet_Speed_Data_Ex,Y
. H1 U7 ?2 S Z' V3 c! ` - STA Bullet_X_Speed,X& ?2 J! G3 D* v+ ~9 G# y2 P; i
- RTS
" V7 d# k% h \% e% Z6 }5 Y1 a - % A* c1 ~9 P+ { L
- Track_Enemy_Ex_X_Less_End:2 M; c4 v- l# ^" K/ A$ E
- RTS( f' j) @5 X: N4 f3 l
+ r8 e( w3 f+ T9 q3 I8 b( G- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
% \7 g5 X/ q ] - CMP #$03$ r! e$ ]0 v! ~/ T/ G, R3 a( ^
- BCC Track_Enemy_Ex_X_End
) M8 B1 r# E/ d( O% p5 o; G - LDA $6020,X
# p- w- v ?# G( n9 ?, c6 V - CMP #$2A+ S+ o. L: Q- g
- BEQ Track_Enemy_Ex_X_Greater_L1
" [2 D4 U6 r5 C" O% i% F" y/ S - LDA Bullet_Z_Pos,X
6 \- M% x$ v( R9 A - LSR- g, V8 E4 I$ ~3 c8 q, u
- TAY \: N0 J# G# W- s4 ~
- LDA #$008 h [' i+ e' T6 E2 p; P
- SEC* U; s9 k2 y# q; G
- SBC Bullet_Speed_Data_Ex_R,Y
3 `$ ^/ W* O1 |6 R7 u - STA Bullet_X_Speed,X* b8 j, ^2 W2 X, X0 ~( j
- RTS0 i; r: s" p1 ? m0 x
-
2 r: S4 w, f5 L - Track_Enemy_Ex_X_Greater_L1, Q! N7 Q6 ?2 X) e9 {9 l# c
- LDA Bullet_Z_Pos,X# R% O' Z' M& f4 q
- LSR
: a# P1 P: l, k* v! D: c - LSR
1 _; t9 k9 V& d8 i, A - TAY5 y4 D4 G) l7 ?4 I5 d! S) |
- LDA #$00
: d0 K }/ f5 r* n - SEC! h; ^( E5 S) p6 k! y
- SBC Bullet_Speed_Data_Ex,Y
6 b1 o4 }) U2 y" m1 W p$ Y - STA Bullet_X_Speed,X% f& Q0 j! E3 g+ D
- RTS
S9 U7 `2 F' ^2 h9 G# G" ` - 0 V1 L2 V2 H$ {, z7 K9 m0 f
- Track_Enemy_Ex_X_End:
$ A( A0 _( {# C% N4 Z3 f1 I1 ` - RTS
( H. Z, A' }- p& Y1 H8 @3 d2 d+ w - . C. m2 S- Z8 }# R8 M) G7 Y) Q
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
% t `$ @; B. x+ M - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
) T4 y3 Y' M& T% Q - Bullet_Tract_Direction:) j* `# R' O0 ?5 ~. {7 M! K
- LDA Bullet_Icon,X
' Q) [4 W: R5 t* a - CMP #$23
' t8 f# j6 n+ Y- y% Q& y2 p3 g - BCC Bullet_Tract_Direction_End
3 ^4 c! ^ _0 e3 q L - 2 N3 w8 L/ `8 ~( }7 f' P3 i
- ; X != 0% V! t+ ]8 f! j
- LDA Bullet_X_Speed,X
* Y1 h: a* g V - BEQ Bullet_Direction_V9 v$ H: F$ h1 y6 E
-
" I; m5 e& [1 c( u4 U5 s8 z Q - LDA Bullet_Y_Speed,X: z, V% @+ l+ g9 s
- BEQ Bullet_Direction_H
( }6 J: H$ S# A/ q+ ~% w, A) a - 7 Y# Y' P5 I/ E- V
- LDA Bullet_X_Speed,X, V, q, ]2 ^' I8 h' D+ \' i8 U# C
- BPL Bullet_Tract_Direction_Right
4 u+ G. Y4 p1 p- T - Bullet_Tract_Direction_Left:
4 ~0 Q' [- K c- C# D! X - LDA Bullet_Y_Speed,X
+ q0 D" T" ?% g/ M - BMI Bullet_Direction_Left_Top
: B1 p4 I) k) w2 x6 d8 _# Z: c - BPL Bullet_Direction_Left_Down
/ e4 B' ~9 R t/ F9 P$ E0 ] - Bullet_Tract_Direction_Right:$ ^; z2 J1 R* A+ e& Q% `( b; P/ E
- LDA Bullet_Y_Speed,X
6 I8 u, ]2 D3 d' R$ t - BMI Bullet_Direction_Right_Top% i5 Z. y' t9 X' Q% V
- BPL Bullet_Direction_Right_Down
5 m, W1 |" E* H; z8 R; d1 S - Bullet_Tract_Direction_End:
# y, j0 z7 N* a# ?. E* C - RTS
; Y# @( }$ H- y# b* O4 a
2 x: x* l3 g2 W6 a! E: m- Bullet_Direction_Left_Top:4 ^7 C8 |! X- P& z1 l
- LDA #$25
5 B( `- }; }9 O7 I - STA Bullet_Icon,X& w$ ]; A2 t, `# K. g# a8 O8 d
- LDA #$C0& z, c1 A+ S5 T8 l _/ R |
- STA Bullet_Direction,X
* E2 a0 U' w& y- U+ W9 [ - RTS
2 C& B0 z* D- W0 E1 f2 `9 P4 E
6 U( ]) l8 W$ r% ?! u3 b& U1 `- Bullet_Direction_Left_Down:
. K3 K5 v. Z2 D4 k% Y - LDA #$25
4 w) C9 \, z3 d; |. k" N; W( a - STA Bullet_Icon,X
" Z, J' _& P" ~% K9 ^2 I/ E - LDA #$40
, U3 f) v# j @9 e - STA Bullet_Direction,X' M2 o; M( D3 k& u
- RTS
7 T6 f" ~/ o6 u( a
; x9 Z+ R( H/ i0 q- g- Z% X; M- Bullet_Direction_Right_Top:
: `, A7 o8 J |# ~& @& t - LDA #$256 B3 f% O: e1 f$ Z
- STA Bullet_Icon,X
0 X0 ~6 I A6 R: G - LDA #$801 A: D( F$ U4 q( n0 z' p* D
- STA Bullet_Direction,X5 V3 u5 G2 f7 Y
- RTS
3 Y$ h9 {% `5 P& p$ ^ - ' V; D& C# J3 Y
- Bullet_Direction_Right_Down:( e. }" ? s% ]. s6 e l' A+ i
- LDA #$25# q3 X! \# Q# z g. m
- STA Bullet_Icon,X
, q, [+ D4 D: ~( @4 j- W- v Z. W - LDA #$00; N# U& F% D# t: J' O7 O# N# P, n9 Z
- STA Bullet_Direction,X; y6 s+ P- ]* u+ P
- RTS
, _2 Q) ^; E7 w# h
+ v; {: k4 E" U. J9 B1 K/ _- Bullet_Direction_H:3 O0 S- _: Z2 i1 o
- LDA #$24
. z! B$ R9 s9 T7 F* o8 @ - STA Bullet_Icon,X! W% u3 j9 r$ |
- LDA #$00
* P) ^. W7 F3 Q - STA Bullet_Direction,X H% J q; R& X) ?3 h5 X7 F
- RTS" }4 G, b I3 [( Q3 w1 M6 S
1 w3 L3 t+ k3 f7 _; L8 D2 K- Bullet_Direction_V:5 }. b; B' m# j' M
- LDA #$23; S) B5 w# S1 j; b' k6 u$ H
- STA Bullet_Icon,X( [( S7 a& R- F: k: H* k
- LDA #$00
3 o+ L y( ~$ {% j! ]2 J9 n) X1 x1 R - STA Bullet_Direction,X
5 b2 v, C2 X3 Y1 O% F8 R5 T - RTS" `4 f5 }9 I6 m2 b2 H9 ^, I
- ( j1 ~9 y* o6 z8 I$ p3 g+ ?
- Bullet_Speed_Data_Ex:
1 C- t, Z7 G8 T - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$043 v0 m" w! M+ n' f) I
-
# C8 }6 v9 L5 w7 L - Bullet_Speed_Data_Ex_R:' b2 y' }6 `& v
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$089 f2 H. [# z/ n* z1 D- h! _2 d
-
复制代码
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& x/ ?) J& W4 g' C% ~ |
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