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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30: E% U$ _. s/ l: M- g+ K
作者:FlameCyclone3 l3 B, ]: R; y
内容:
. E1 q' F- f- }7 Y 1. 所有子弹追踪敌人
! g) u& y$ V, |- N4 ?2 x: A9 t 2. 选择键切换武器& H: i* s: w1 j D1 z' D! @% D3 m
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' @0 x8 F5 {2 t2 k
9 L' t, B9 h" i: tflamecyclone.ys168.com+ k* u/ W% K/ G3 \
8 G2 f T9 w6 l* i ^- |
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁3 y# s( Y+ I, {0 u2 p+ J& Z- U1 E
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
1 c, q! L$ T" v2 C ]0 B$ } - 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)
) ?6 l! ]8 q- N" M
7 t: W. ~9 g/ Y' g6 N# G' m" R8 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)
1 y! ^6 C" `- C5 o' U- A, s - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 V j; V- L& M' U& k
6 j# s& R/ v$ O9 n9 T- Track_Enemy_Index = $60005 Q, u; j: T7 g; C) [+ x% \
- Enemy_Index_Begin = $6010/ I# u, E1 b; I9 e+ y. O, o6 T x
- Enemy_Index_End = $6011
3 n4 U4 T9 V6 P% _7 N
! O! W2 o- O0 e" ~! r, K( }- Loop_Index_I = $60128 E- m6 p+ |3 c' A- `! r' l$ L
- Loop_Index_J = $60131 _0 V; @' h# ^+ S$ `
- nEnemyIndex = $60145 \ y2 P3 e. [5 R
- Data_buffer = $6015
) U! j) N9 U* j/ [1 r% a
! v. h6 ?0 w' [" S6 V; ~6 \- Bullet_Y_Pos = $03B8 ;子弹垂直坐标0 U7 w6 [ z" c" p
- Bullet_X_Pos = $03C8 ;子弹水平坐标$ {5 ?, R% f' @( I$ H: y3 _
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
b, `8 `! @* _& q$ ] - Bullet_X_Speed = $0408 ;子弹水平速度
* u4 ~7 c/ F1 y1 s1 O+ o - Bullet_Z_Pos = $0418 ;子弹Z坐标9 Y4 |; S& ^; z3 g$ ^3 h
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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+ u2 }" U- c: W3 d- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸 f$ z. }8 B8 o& q7 K, ^7 w
- Enemy_Blood = $0598 ;敌人血量7 Y+ P- R9 O, T% A- i, k6 e
- Enemy_Type_Addr = $0528 ;敌人类型
6 a4 Q7 l9 H8 |4 v, ? - Enemy_Blood_Addr = $0578 ;敌人血量
) a& R! e, r0 X/ i1 _ - Enemy_Y_Pos = $0324 ;敌人垂直坐标
1 }9 O# v' k2 u% D4 w - Enemy_X_Pos = $033E ;敌人水平坐标
+ Z! M0 C& M& c6 |2 n7 } - Enemy_Y_Speed = $04E8 ;敌人垂直速度( h' s+ |$ o8 j& l: I& ~, |
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸0 m8 Y; E2 ?: x
- 1 a S$ k! n6 l! i0 l( L
- Enemy_Index = $83 ;
% ?0 y) g8 o+ r8 ` - Time_Count = $1A
: X. R5 S3 z1 A - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
. P; p1 _; w6 j6 T4 I - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率+ D+ x1 F/ E/ o1 m9 |# ?
) b) P. d f5 ?4 u! p8 ] k3 T/ y8 {- 8 a7 x! ]" c; b
- .ORG $6100
j; Q! t7 \+ u2 l - Process_Begin:& {- F [4 A. F& D& I+ l
- JSR Enemy_Check
6 G/ ^. |9 l; X0 O. c9 \ - JSR Track_Enemy_Check
" p9 u" Y7 r; x1 q b - Process_End:
* b. B! `7 l0 e. k2 l: P; V - JMP $E54F5 ]+ x z' Q. I9 h
9 o0 l; E% f5 _' i7 p: H+ |( Z- Enemy_Check:4 l: i T1 ?9 ]6 ^6 D
- LDA Time_Count1 c: D- M) j$ m9 K ?1 Q8 m' h
- AND #Track_Bullet_Speed2 j, n8 _4 W6 ^" j* W+ H
- CMP #Track_Bullet_Speed
" M. s7 }8 [4 @ - BNE Enemy_Check_End2 \6 |# }( s% ]: q* N/ p0 [
- LDX #$0F
8 E$ e8 d$ x' z* w' R5 U - Enemy_Check_Begin:
3 J2 g2 M# G1 {* o' \7 D2 Z - LDA Enemy_State,X
7 Y6 A7 t) ?2 f - BEQ Enemy_Check_Continue T+ m* j! ^% Y4 E
- STX Enemy_Index y9 k- x) s" ?( z1 s0 ^
- JSR Find_Begin_Enemy
' Q/ u. D* j. B- A - JSR Find_End_Enemy$ g8 q! }8 q5 x m7 P
- JSR Bullet_Track
. _2 f8 y; T& _4 M5 u -
; z, V( r# C: m, e4 v/ W1 z - LDX Enemy_Index
" Q0 f0 k7 ^) U1 N6 a2 q - Enemy_Check_Continue:$ T3 U- }7 R! h: E) D" z
- DEX
5 N$ P2 a- V- _/ j5 _0 v& Y - BPL Enemy_Check_Begin; l! U! d/ g/ G' j2 `
- Enemy_Check_End:
9 J9 s/ j# @( \ - RTS
2 Z" k% N% z/ h0 q: N -
F4 h# Q$ [% H" r O - Track_Enemy_Check:
/ j# w6 S. O2 e2 y/ m - LDA Time_Count
3 h; {. b! v* l- _) ]+ n! p - AND #Track_Enemy_Speed8 n- b2 g' [- V) \( ?
- CMP #Track_Enemy_Speed5 ~& O1 ~8 h, B% }0 s. V8 I( }
- BNE Track_Enemy_Check_End3 X% i: v3 f% x0 l
- LDX #$0F
8 S1 |/ R1 O& r& k6 F) N9 L - Track_Enemy_Check_Begin:
D* M) W' M0 u& r/ l1 k+ K - LDA Enemy_State,X
$ R% M0 a* h4 x - BEQ Track_Enemy_Check_Continue6 T7 N7 X) L5 [3 M: e2 M, Q
- STX Enemy_Index
! [& F) d3 O" r0 p! l - & B! R# ]) W% S% Y
- LDA $40
! x5 [3 O! |2 w1 Q& P* M4 R: p - LSR* h5 X$ P8 S2 m; Y9 P. `
- BCC Track_Enemy_Check_Begin_L1
( H+ l, Y4 k# o) S2 O, q - # m( M( G5 W5 [8 ]! c
- JSR Track_Enemy_Ex ;2, 4
5 ~1 o; i0 M, Z" I - LDA #$005 H7 u Z, @! [
- BEQ Track_Enemy_Check_Begin_L2
/ u2 }9 R/ |# [$ R+ b - ) c& m: @8 U ~6 l
- Track_Enemy_Check_Begin_L1:
& G j. t' Y- W! R* m1 F0 G -
( }" u9 Q7 d. u, C - JSR Track_Enemy4 g* c, D8 Q, c* Y2 |
- / W$ X) ~( I* `4 \& h6 C+ X; _; l
- Track_Enemy_Check_Begin_L2:
; w" d, }) p' e - S) v, n7 a" Q4 o- R0 t
- LDX Enemy_Index! e2 y. K) w5 r! t
- Track_Enemy_Check_Continue:
8 `5 A7 C" b- w# z6 f/ _9 T - DEX
+ I" p N) e; B$ ?5 ~ - BPL Track_Enemy_Check_Begin1 V: K$ ]& g8 T9 b' L: J/ k2 F
- Track_Enemy_Check_End:* \# [3 ^; b% |; [) k( f9 N: A* K
- RTS) I! o/ ]9 R, e1 y+ ?* B, q! P ?" r: D
+ w9 a- R7 Y: w! W- : D# I( _' a- N9 Q+ n/ l1 A Z
- ;查找第一个敌人
$ T+ w* R2 u, |3 c! n _, V - Find_Begin_Enemy:
3 {# o o1 a0 m6 e9 u+ l& z" \ - LDX #$005 Z7 ^$ M, R0 A* d/ v, T
- Find_Begin_Enemy_Check:
A# Y2 K* G2 K - LDA Enemy_State,X4 T' b. c; y. S7 r- h6 k* L7 k4 m
- BEQ Find_Begin_Enemy_Check_Continue- q4 w# k# i& P/ r# X$ ]7 n' F1 N
- LDA Enemy_Blood,X: a) C: B; F# c- e0 j+ e0 I* x
- BMI Find_Begin_Enemy_Check_Continue
; a% G1 R8 i6 y' r( _' b - BNE Find_Begin_Enemy_End( r" f' A7 r3 i7 P7 W
-
- O/ Y( ]( C6 I- T4 B, w - Find_Begin_Enemy_Check_Continue:2 B" x& N6 f3 C0 f8 ]
- INX( [3 a. F* p! x/ N. q) S5 f, x
- CPX #$10
" r' b1 i3 R/ B. g6 | - BCC Find_Begin_Enemy_Check8 d9 Q4 e* ]: e" L8 x
- Find_Begin_Enemy_End:
8 h! E! G) T0 x7 t% j4 P - STX Enemy_Index_Begin( [! a3 v c: p3 ]" [
- RTS
6 I/ D& x" l& D. a; q/ B
t N0 `! i# e: T% n1 _- ;查找最后一个敌人# s9 n9 G4 o+ D9 j
- Find_End_Enemy:% K; X3 o3 ~7 Z2 r
- LDX #$0F7 c8 U0 Y, Z5 b! O3 t# i6 }
- Find_End_Enemy_Check:
% Y; [+ K5 {" V1 G& i - LDA Enemy_State,X$ |8 F+ _6 o+ F4 [" l6 Z+ N. [* Q
- BEQ Find_End_Enemy_Check_Continue/ h ?/ ?3 _7 j. d3 Y+ Z
- LDA Enemy_Blood,X
7 A1 |8 ^* u7 z) L4 r - BMI Find_End_Enemy_Check_Continue
8 I; C+ ?# S! B) ?" J# D. G - BNE Find_End_Enemy_End- Z2 \3 ~" {( V
-
8 W/ n/ q* c3 b6 Q# g4 {( u - Find_End_Enemy_Check_Continue:
# F% s, r. _9 h6 j4 \& i B - DEX8 I, J7 a' a3 B9 T6 D9 D
- BPL Find_End_Enemy_Check3 F0 C' c; \" x4 |/ z1 A$ H9 J
- Find_End_Enemy_End:' |1 M3 k( T2 E8 S
- STX Enemy_Index_End( r4 V* m& q, i) L1 @; ^
- RTS
2 l8 w6 w. f/ [5 G, F - ( U; S" o7 r$ o/ H
- ;子弹追踪
0 f. Z' s. C P; ^; l" h0 V - Bullet_Track:
6 n6 y/ `- X$ O9 l! i9 i5 q - LDA Enemy_Index_Begin$ t4 n; R. T) L+ d2 u
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
# {- C3 p+ U$ C - LDX #$00
1 [( P: u0 I, {" Q% z( e( N7 A - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)4 M: _5 x5 T* P" ?
- LDA Bullet_State,X' [ n, i% i1 {; u# l; k0 O$ H
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;2 f+ f! E0 z# `
- STX Loop_Index_I& M1 z/ F# {: H# N& M$ F
- 5 ^! W2 s. F% V4 D3 ?' O! l
- JSR Bullet_Track_Enemy
+ }; _. D0 P. ^' j) [& k. u. l - JSR Bullet_Tract_Direction2 {3 q: M i x2 m" a
- & R- N% R" K( b9 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1 `( z0 ~* y7 P) B a' D. I
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;. [' w- H& c$ w( _* \
- LDA nEnemyIndex' p# A7 a, i# T5 f6 `" Z0 S
- CMP Enemy_Index_End# G6 p* Z2 F, G9 A
- BEQ Bullet_Track_Check_Continue; G( @5 i4 @0 a8 ?( b* j
- BCC Bullet_Track_Check_Continue; r6 X0 F+ e9 K7 {1 E( o
- LDA Enemy_Index_Begin
1 z! y( M0 R1 ?9 Q7 ? - STA nEnemyIndex8 ~1 `* Q/ J/ N ?6 N3 z
-
' I1 K# |# m9 T7 F* P: V - Bullet_Track_Check_Continue:
0 i1 b5 C5 [5 w$ m - LDX Loop_Index_I! i. [9 x+ X4 i+ q5 f8 P- i
- Bullet_Track_Check_End:
9 ^/ P7 l. G! l - INX
7 |9 z/ X* \; e- K% P# p) Z - CPX #$10
+ `0 R3 |* Y+ a8 L - BCC Bullet_Track_Check- M5 t: j; J8 R1 B! f: e9 g
- Bullet_Track_End:& } r3 m, F% e: z# c( ]
- RTS
; b) w$ ?$ k: B9 | -
; g8 F3 L9 v6 y) j, c1 L5 y - ;给敌人分配子弹5 K2 |! a* i0 `7 X8 E/ w! ^( i
- Bullet_Track_Enemy:6 T( E; a- I, n: R3 a# j$ E9 M
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)1 P9 B9 f8 {6 k$ S( h- a
- Bullet_Track_Enemy_Check:
5 R6 k% p7 G0 ?/ o9 e6 s I( ? - STX Loop_Index_J
7 a: W% } |: E/ e - # x P6 ]6 q& Z+ P' o N# `, G
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
& p0 m D/ F6 Z. {$ ? U- u - LDA Enemy_State,X
- ]! `; ?4 b" y" ` - BEQ Bullet_Track_Enemy_Check_Continue1 e* A& V+ e! g \( C3 t4 ?
- LDA Enemy_Blood,X2 J( k7 S5 N7 l& x: N# I5 P
- BMI Bullet_Track_Enemy_Check_Continue+ t& G5 W4 f; ~* z8 n
-
$ e0 r/ B+ V# }. v3 d1 z$ Q: D - LDX Loop_Index_I* }* T1 `0 U& ~# W2 d2 t6 s! U; t& w
- LDA Track_Enemy_Index,X
3 u$ s, T/ z6 H$ }6 ] - CMP #$FF
* N: F7 p: G5 ?: W! ^; k6 B5 ~ - BEQ Bullet_Track_Enemy_Init) S7 R. V {; ^, h" o7 H
-
/ Y& k' M, L8 A4 e* I; b' o" i% q - Bullet_Track_Enemy_Init:
6 Y/ D; v4 b0 I* {/ o - LDA Loop_Index_J
: s. Q# R5 x: M0 n" r+ N: ` - STA Track_Enemy_Index,X ;nTrack[i] = j;
' m: W: a% ^/ O; J) } - * V0 v7 [6 a, R+ p) e' V
- STA nEnemyIndex
S) ~/ k. P0 k% I: ?. Q - INC nEnemyIndex ;nEnemyIndex = j + 1;- M/ n2 t9 Y1 D
- RTS ;break;
2 f! Z& B# |" R5 r9 Q - ! Q) f6 [3 L# O( Y" H2 T
- Bullet_Track_Enemy_Check_Continue:
4 r `8 W; _6 }# z N - LDX Loop_Index_J
% `1 S. @; r6 f1 i/ M5 P C - INX ;j+++ O2 ^2 h3 T& v5 _* J
- CPX Enemy_Index_End
3 L/ m0 j' h/ u - BEQ Bullet_Track_Enemy_Check
+ z. X6 J$ l" X5 e - BCC Bullet_Track_Enemy_Check3 Z& d' X% r! v1 e0 \
- Bullet_Track_Enemy_End:
2 n( e- F% o) x. S6 N) [ - RTS
) S! X" E8 n$ t - - U7 o& |0 N4 z2 J) z1 K. f) b
- Track_Enemy:
\4 y) s% K3 c! u4 C$ G6 ~3 W - LDX #$0F% F3 n7 Y4 S/ o" }
- Track_Enemy_Begin:
4 ^ Y4 f3 p6 y! y$ V - LDA Bullet_Icon,X
7 L1 d7 g! F N - BEQ Track_Enemy_Continue
t$ f. l9 O+ {( B9 q - LDA Bullet_State,X
) G2 H$ t. x5 n/ C% B2 m/ ~9 z) e - CMP #$01" Z+ G' J! u) m2 _7 I5 t
- BNE Track_Enemy_Continue
b. o% t' l2 B* w0 z# f3 K, q -
; n: k, B. k! f' Y4 _ - JSR Track_Enemy_Process5 X' A5 Z+ i1 ]8 X! v% j0 _2 U
-
2 @/ s$ }1 J7 @. Q' R - Track_Enemy_Continue: O" b; `+ M8 {3 D% ^5 u% {
- DEX
+ Z; R. c0 c3 V& f - BPL Track_Enemy_Begin% o; O9 J2 T+ G8 \* X3 P% Q
- RTS
5 E$ W* ^! Y( E - & |0 q }$ d; b+ f
- ;普通关卡( u" p$ u7 E! V& J7 w8 }
- Track_Enemy_Process:
1 [3 ^+ \) ^5 g( x% H - LDA Track_Enemy_Index,X1 G; Q9 E9 i* q$ u6 P( m+ W
- CMP Enemy_Index) K- H' V+ n o- z$ h+ j
- BNE Track_Enemy_End- S. @* ~5 M8 ]; i" f
- LDY Enemy_Index
9 o6 t# F; r$ Q- G7 K5 E! Q( u - JSR Track_Enemy_Y! Q( Q7 D$ R m, P- p
- LDY Enemy_Index
: k3 v6 `/ u6 U y4 T! u - JSR Track_Enemy_X
. ]8 [8 m. O" P - Track_Enemy_End:: Y' x: L9 P# d m+ O
- RTS) x" L5 q0 b7 v' @( [) Z6 p) \
-
* y( z9 u9 i. i% J$ V8 N* D! F - Track_Enemy_Y:
' v- G. d. A* y9 F0 c6 u - SEC
; q! p* X. `2 Q: I' z - LDA Bullet_Y_Pos,X
# k; o8 ]7 i I5 j& c - SBC Enemy_Y_Pos,Y
3 U2 s Z0 A( R( K1 u* `; [8 c - BEQ Track_Enemy_Y_Equal) T% W1 U0 t8 H- Q
- BCS Track_Enemy_Y_Greater7 n7 V& n# n3 h. x' G
-
) {( f$ f1 s7 g3 v K0 r# k - Track_Enemy_Y_Less: ;子弹Y < 敌人Y4 t$ _/ U- X3 q @7 u" S% C
- CMP #$FC
' J/ F8 G1 ]4 C - BCC L1_1
0 @+ M) h1 u. ~ C8 ~3 n - CMP #$FE
L; q$ X* z3 i+ L0 y - BCC L1_2
+ S% U+ x! t' {- ] - LDA #$00
* C& m2 ^3 X( b* X. g5 W3 A1 a1 a$ O - STA Bullet_Y_Speed,X8 I4 ?$ l6 t* Y" a/ ?/ b
- RTS b4 W# L# P5 ~6 O
- L1_1:
# e2 q5 Y& Y5 ~- d$ ` ~; ~9 d - LDA Bullet_Type,X! z7 W9 ^+ g O8 w+ K9 Q x
- AND #$0F# b4 ]: l, C# ^0 f9 W
- TAY: I5 \' _: H# `3 j; B0 L2 f
- LDA Bullet_Speed_Data,Y
7 a& _" p; }0 ?% j {7 K - STA Bullet_Y_Speed,X1 B* {$ c7 p6 U3 m
- RTS
% T! H F) m( Y3 d2 e7 e) ] - ( M7 F: q: g7 O* T* b4 F
- L1_2: : d/ ]7 [ h% d+ W1 i
- STA Data_buffer
8 p7 {2 G0 ?7 q4 L. R) j - LDA #$00
" r* A! Y* [1 ` - STA Data_buffer
1 v* x, f$ {" G4 L( l* D - LSR% V' R5 \1 Q# F. k3 G3 p
- STA Bullet_Y_Speed,X7 h( G5 G6 Q% Y" a' s% [1 |
- RTS
. q( y: G: F0 `* E7 Y; h
3 e) X9 J3 V9 z1 {5 a6 A. v- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y/ X1 H/ z3 i3 L6 n$ E: G) S. t
- CMP #$04; j/ q! C* b! `" ]# V
- BCS L2_1
- J$ I3 s* u( B1 f+ V# c# `2 c$ k - CMP #$04- _1 T- I, `/ N9 k% M* S
- BCS L2_2% T- P; _5 Q$ l. j" _: b
- LDA #$00
. d- h2 ~+ b$ g( N6 Q5 ? - STA Bullet_Y_Speed,X: m. A7 W# V; ^0 ?
- RTS, t7 I) {0 q: u* D# J$ F% h
- # t. O# {9 t( \) N2 V. v9 ?9 L( p
- L2_1:7 J) K. w; o6 p( c
- LDA Bullet_Type,X
' v3 Z) l9 @- g# d" j - AND #$0F
- d( k% i0 I& [& j* F0 L& q - TAY/ g7 u* Z1 S! b T; e0 y
- LDA #$003 d7 z- f4 A8 {! e. U
- SBC Bullet_Speed_Data,Y0 r; X, V' C% P3 v
- STA Bullet_Y_Speed,X
$ M6 m" b* |5 m- N0 s" \ - RTS/ r- X) d/ n" p& R, w9 F) i! ]& h
-
- A# n0 v }; [ M9 e$ N - L2_2:) `1 U! v3 @( y; C& _# N/ L! G
- LSR, [8 |) |% N! L9 T; g6 B
- STA Data_buffer3 _3 |! @5 I0 Y5 a
- LDA #$004 r% e: X+ A% n! h
- SBC Data_buffer
2 H _ i- |3 c" m0 q1 N - STA Bullet_Y_Speed,X
4 ^: _1 \. d# L. x9 h/ F$ F+ L* X - RTS
( i- q Q" E) D$ ^1 ]! O; D* @ -
$ t( q; x+ |! F5 J4 I7 s - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y3 O' S6 Z& f- k) i( U1 P9 s) a
- LDA #$00 e5 Y0 _; J8 s6 L$ M
- STA Bullet_Y_Speed,X) w/ w5 u- g- ~: J5 n2 z
- RTS m9 r; s+ B: I9 g4 V
- 1 c$ c% Q6 {1 o
- Track_Enemy_X:
, A6 t& u; z/ m3 ] - SEC
% D- s# p. f, [8 K+ S2 v - LDA Bullet_X_Pos,X
. g. A+ A1 d2 U - SBC Enemy_X_Pos,Y$ n! X9 t+ t" W8 ~
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X- s" R, G: K( x1 n; D
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
& M4 u7 ]) _$ E - 2 ~. [; N3 x0 v5 o$ S5 u2 k
- Track_Enemy_X_Less: ;子弹X < 敌人X4 N3 Q2 E0 [ [% `# d6 B0 ]
- CMP #$FC' u4 P3 W ]: K( n
- BCC L3_1
6 C8 F! U6 b& b, ~ - CMP #$FE
% N- \" W: |7 s+ @- e - BCC L3_2$ C! U y$ T; ] q% f- k
- LDA #$00
- G; K0 J4 W& S! v" v; O$ N/ S8 } - STA Bullet_X_Speed,X3 ]5 g& m" U& `% h7 ], i8 X
- RTS
L8 u1 V/ x$ H$ f# v* W0 B: B5 H; q - L3_1: " f* h4 Q4 k0 A( z* A
- LDA Bullet_Type,X
9 S+ r3 R3 ~6 R- \% j8 d - AND #$0F# o; ?$ }* I( r' _
- TAY }6 R: D; K; l0 w% D3 Y/ @
- LDA Bullet_Speed_Data,Y% Y( c* A9 d# z4 U5 @
- STA Bullet_X_Speed,X* V' C$ }$ d7 X' h; o/ d
- RTS" }7 g9 x5 J- `1 \+ Y
- L3_2: ( w& H$ E8 i& Z+ a# R
- STA Data_buffer) u% r" |" j/ I, @- j- g8 \% ?
- LDA #$00. K4 m" Y# B) _2 R- g
- STA Data_buffer
0 ^8 W7 }9 P! | - LSR
9 g- e, k M; \( j; h2 m - STA Bullet_X_Speed,X
6 H4 {$ @$ K1 e; `7 O5 g6 t - RTS R/ l3 F2 a& U+ `8 ~# i
- - b1 ]5 X! I2 r$ p
- Track_Enemy_X_Greater: ;子弹X > 敌人X, i8 m4 f6 S, S7 `/ y
- CMP #$04. C0 A$ E. J; }2 e# x
- BCS L4_1
' Y- e" J: y1 M x- }, N - CMP #$022 d; w) o. D7 c$ G) R0 R# h0 U& |& O% V
- BCS L4_2
% w2 w+ J: \3 x7 v" a - LDA #$00
; R* b/ ^# j% s$ L& G - STA Bullet_X_Speed,X8 R+ d' F7 ]: P
- RTS
* j0 ?( K; d# X- N P- _1 o - 5 @0 @3 b7 Y$ S3 I: n
- L4_1:
" N! _3 e( j$ i& b; _ - LDA Bullet_Type,X
1 p+ T) W' ?4 f8 Y2 ~- a - AND #$0F6 v) O3 d/ m& k
- TAY I2 w) A" L2 W) [- x: d; s
- LDA #$00* [! u% E9 _3 K* E' V
- SBC Bullet_Speed_Data,Y
. P( t6 S7 J( |5 ^0 f8 f. P2 C - STA Bullet_X_Speed,X
/ R/ J4 l y" E3 O" ? - RTS
/ K' y7 b# q- a; V2 J - L4_2:
]/ x' z6 o" y; J+ p4 U' A. `+ e - LSR0 a6 B2 R6 K s* C
- STA Data_buffer: [ r" q# G( C" `1 M. [' ?. o& [$ {
- LDA #$00. \) N' p6 ]/ m2 b* ^- G# Q% _
- SBC Data_buffer/ H6 r5 f6 s K. | f8 Q6 C7 L
- STA Bullet_X_Speed,X
! e5 h* s8 J7 T5 N0 c2 Y O - RTS
. y; n& B) _5 o1 R8 j: \% T -
( g; ^( }5 o1 q8 w$ L+ M$ r$ w. |8 B - Track_Enemy_X_Equal: ;子弹X == 敌人X
0 `7 | i' @7 g- k/ Z6 e - LDA #$00
# ~1 J: }) |# i: H9 \$ { - STA Bullet_X_Speed,X
# x6 h7 e, X \6 g9 ^* H: ~! F - RTS
3 \% ?2 B% u7 }" B! j9 c* W - ; l' b7 R C( B5 k. y) O
- Bullet_Speed_Data:
5 H$ u: I* K3 f1 f1 e: D* J" ^ - .DB $00,$03,$03,$02,$03,$031 Y3 N/ f" Z$ q6 f
- 1 d! }* U3 c! P% [; ]2 w
- ;2, 4关# Y- q: y* K+ y, E% B, R5 [6 f
- Track_Enemy_Ex:! z) {3 X3 c/ j6 {- o- K
- LDX #$0F% b+ z2 w1 a) F1 }# b
- Track_Enemy_Ex_Begin:, u% N0 e+ ?4 @2 e0 Y. A* c! n
- / U3 @4 J, ~0 M- |) n) ~
- LDA Bullet_State,X: z% t+ b h( E& _
- CMP #$01* F( e* y. \- P. ]2 B
- BNE Track_Enemy_Ex_Continue( I; d. G5 I# M( C$ w
-
2 w2 a9 w, z& E8 ^7 K' v, @7 K - LDA Track_Enemy_Index,X
: c, j, H" C- n. S - CMP Enemy_Index! P1 [0 E. H% R T
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
' V2 z3 U" L4 s6 B -
: p8 v% |6 x2 a' S$ s n/ b! l% m - LDY Enemy_Index' R2 J9 m( Y! Z, r; H5 w1 y4 e1 |/ {
- JSR Track_Enemy_Ex_X
0 L" k* ?8 Q$ K/ R3 H -
e+ Y& c, y* s5 v) r f7 p6 B - Track_Enemy_Ex_Continue:
5 X, \: c7 } }6 [" b6 t: T - DEX/ s( L( D6 `. u* K S
- BPL Track_Enemy_Ex_Begin- v6 w1 b9 V; P7 W* M
- Track_Enemy_Ex_End:
7 g1 U* i x- M3 p& `2 H \ - RTS+ A( W3 M! t- G# c# l: ^
- . M3 H+ w1 `8 e/ X
- Track_Enemy_Ex_X:
. ?; j" Z8 r9 E9 s4 m - ;LDA Bullet_Z_Pos,X1 C' h# {$ V- s, L' \, j0 t
- ;CMP #$04
- W# R& `4 @% E4 h - ;BCC Track_Enemy_Ex_X_End
4 s) B2 C; S4 S7 O5 U7 [/ D4 I - SEC
, f& X( F9 ^2 J( W! ^# n8 ? - LDA Bullet_X_Pos,X
' b" C! w3 @- Y; u) K4 X( L - SBC Enemy_X_Pos,Y" \( @/ a h$ E! D, r3 J
- BCS Track_Enemy_Ex_X_Greater
* D; k: @- x: V% r3 b/ M -
3 k6 k2 y% u: P. c5 q2 r1 N - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X' l/ w( p: Q( P K. O& z
- CMP #$FD8 G9 V& B; w5 ]/ F: A$ l) b7 o
- BCS Track_Enemy_Ex_X_Less_End
0 E% j# `; N) ]& U0 d- b - LDA $6020,X: O |6 p3 ~+ N, x+ O, b
- CMP #$2A
" W- N- T' }: ^/ p6 _0 S - BEQ Track_Enemy_Ex_X_Less_L1" @ ?$ Y- [5 ^5 m
- LDA Bullet_Z_Pos,X% X1 T2 @* \ o. h3 y- T
- LSR
7 g4 ^* w. P8 Q- ]7 w+ q/ T$ X% G; |# S - TAY/ |5 k) B" g: |" U7 j- k3 |/ J
- LDA Bullet_Speed_Data_Ex_R,Y8 v6 d" {8 T$ [& U+ _1 v2 m' t( ^
- STA Bullet_X_Speed,X
8 i2 Z% h6 {8 O/ W+ V9 w - RTS
# ^2 X' C5 Q8 R9 b H% { - Track_Enemy_Ex_X_Less_L1:* c- G! D5 m3 M& U# g+ ]
- * G8 k( r: c! V, u" i
- LDA Bullet_Z_Pos,X8 |8 D3 w) {* O/ b4 M/ T( R
- LSR J: G' x3 Y/ e/ u8 ?" ]3 c. v- m- c
- LSR
2 N4 j# v' @. F# a - TAY# u1 `8 v) F7 b+ ~6 H
- LDA Bullet_Speed_Data_Ex,Y
# j- c5 ~) e9 W4 e - STA Bullet_X_Speed,X5 F6 R* V0 ?% p1 T$ A
- RTS
) S& m* c, r; c/ i" J! D9 n: N" o -
# B7 S% s: B/ |5 S: p, v) h - Track_Enemy_Ex_X_Less_End:5 j2 j$ t; r# a( Z2 N
- RTS b; M- `* A$ w% K6 m3 U
6 W6 c& j) o0 F* c, v- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X) r( t. W3 v9 B1 ^- e% U+ C
- CMP #$03
5 b5 O8 l- t3 j) K: X2 n - BCC Track_Enemy_Ex_X_End
: g1 G6 S0 s) }' Z- }, s4 z/ y$ j - LDA $6020,X
' E8 H) m r% ~ - CMP #$2A
& \3 L& l# D, k% H* M6 o - BEQ Track_Enemy_Ex_X_Greater_L19 U# s- }; w% `0 w" m2 _
- LDA Bullet_Z_Pos,X
: N2 I- i& g+ q. T - LSR8 g$ `, O6 S# f9 U
- TAY% }9 [; C7 P T
- LDA #$00
* q5 ]; C/ s" C5 {7 E/ s - SEC, C, q3 {& E, k$ W X0 W
- SBC Bullet_Speed_Data_Ex_R,Y
1 W( ?/ O$ o. D1 X1 J( i4 | - STA Bullet_X_Speed,X
/ A0 T5 J7 R' Z3 B - RTS3 _2 [$ [: Y2 u, \7 Q4 i k$ T. B
- ( d3 y6 J" C) i4 ]
- Track_Enemy_Ex_X_Greater_L1
/ e: t4 j* o* O' h f* \2 j - LDA Bullet_Z_Pos,X
1 i# y" L$ }* |; X6 P1 b0 R - LSR# D: l- o# X/ z
- LSR
; G$ v7 n" a1 ]$ l" j- Q% C2 J - TAY
5 `$ n1 r6 {- g' \, z) f - LDA #$00
: z& O) L$ Q# v, o$ U: F - SEC8 h9 \+ w8 E/ J9 a4 S% U \, |
- SBC Bullet_Speed_Data_Ex,Y
) \$ h% Q8 F# m; h8 f6 ^9 L - STA Bullet_X_Speed,X
/ F' I4 w4 a% e - RTS
5 ` t6 Q/ d7 ^0 n s -
6 K. H, t" b2 [6 {2 n( {. ] - Track_Enemy_Ex_X_End:
( s* x& P" @0 B. c3 f+ h: T - RTS
2 T [ f0 O' E' S' r - ) S, g' t" p D( r
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
' I$ G6 n# I5 A* j - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上/ d1 q3 V0 P- v8 c; \: n: ^& ?
- Bullet_Tract_Direction:
3 W6 h: v9 E1 r- M, ]4 o, f - LDA Bullet_Icon,X6 O( k8 K9 U; L& R% ?: \
- CMP #$23
4 Z$ s# g' O4 R# U! Q5 C! r0 V - BCC Bullet_Tract_Direction_End
3 r* H3 R0 \- }' u$ t, Q6 U -
: f0 G: V1 z5 q; L - ; X != 05 @3 B- H8 {/ s9 |
- LDA Bullet_X_Speed,X8 z% ~% H# j: q; ?. [) A5 O
- BEQ Bullet_Direction_V
) \. X& d2 m* L -
$ h$ m! H4 W" w; l3 P - LDA Bullet_Y_Speed,X' [3 G0 t! |! p, L6 C& L! \
- BEQ Bullet_Direction_H, s- Y f' p0 |% a2 |- s
- 5 d1 N9 I, h) E" {' @2 F; e0 r
- LDA Bullet_X_Speed,X6 O* T: E7 M1 h* @
- BPL Bullet_Tract_Direction_Right+ }1 R3 p; i! e
- Bullet_Tract_Direction_Left:+ n+ e' Z& U6 }6 R" S5 S z
- LDA Bullet_Y_Speed,X$ Z1 ^& e$ h& `# Q. W1 F2 R* a3 T
- BMI Bullet_Direction_Left_Top; m" ?+ ]1 h! c; p2 N6 [9 u
- BPL Bullet_Direction_Left_Down7 o1 e8 N$ r. I/ q5 T7 S
- Bullet_Tract_Direction_Right:' ^2 I+ ~' ]) Z9 _1 u
- LDA Bullet_Y_Speed,X
: a5 X9 F @/ `; D% F" [! X1 C$ f - BMI Bullet_Direction_Right_Top3 q7 a2 _+ A2 o2 ^0 s# L
- BPL Bullet_Direction_Right_Down
o2 V' }# s" O - Bullet_Tract_Direction_End:* m+ E( C5 `+ Y1 I* A
- RTS
T5 x h3 H" D7 l8 [ - " M+ m5 |; u# z" c: b/ _
- Bullet_Direction_Left_Top:# z) ` s/ T% l+ ]' d ~& T) k
- LDA #$25* ? j1 e1 B- d: e( h6 Q0 c
- STA Bullet_Icon,X
0 X( X" k4 M5 t, g q8 B s - LDA #$C0- ]$ L/ E7 b* j$ M, z' E3 g
- STA Bullet_Direction,X
# z5 g3 y/ [; a. E - RTS
' @; Z! R1 A2 l3 h$ `3 W7 [ - 5 A2 N% Q1 t5 x1 ?
- Bullet_Direction_Left_Down:
7 v) P: C# U; N; o - LDA #$25, H5 J" S- T+ S+ |
- STA Bullet_Icon,X
$ `0 B1 {6 o$ V @0 D - LDA #$40
2 {7 s' {/ T; b2 s. P+ F( G - STA Bullet_Direction,X; K9 x3 s4 ?/ X6 J$ q* B% x
- RTS
4 `) h6 O& V8 |7 a
x; n1 `3 f# F# H3 {- Bullet_Direction_Right_Top:6 A' s0 x* Z7 Y/ M+ m
- LDA #$25
7 Z' q3 n7 Y1 l - STA Bullet_Icon,X
+ a% k% O5 J. Y( E3 A* k - LDA #$80
6 d( q6 ^0 }. j+ ?; q) J- n - STA Bullet_Direction,X
9 v! d# L W% F" b# N - RTS* _( s1 y( @6 c& }
- / Y6 f2 m7 C6 \* o
- Bullet_Direction_Right_Down:4 S5 g* f4 e4 m3 e2 ^ @
- LDA #$25
( I, y1 i( b J8 P$ b. G) H' } - STA Bullet_Icon,X: R8 W5 d9 [" x, S% w
- LDA #$003 f7 J- H4 z. ? S
- STA Bullet_Direction,X
% M+ i. k) V( m( E. Z' j - RTS
6 v5 ?# G$ W! [/ [- C9 [: Y9 K5 D) x
9 T% F2 F- s. L; X4 u- Bullet_Direction_H:
& Y' |* ]# p0 K9 V+ I" j6 E - LDA #$248 p8 B; H7 N0 e& B# D
- STA Bullet_Icon,X
4 n! r9 r! Q" \* ?" c2 N* K/ L5 { - LDA #$00- w( K' L& e$ y T1 `! Z: |/ S4 O( i
- STA Bullet_Direction,X
. p9 o. ~2 p4 F! c7 J - RTS
2 [1 V2 x% D2 B( P% U
: t5 M8 y" c: A6 y( d. H' A$ q- Bullet_Direction_V:" x, @3 S6 M4 {7 b( W
- LDA #$23
# ^% L S7 T1 x3 f& x8 u5 o - STA Bullet_Icon,X& k& {4 z$ v) U
- LDA #$00) Z2 P4 L0 T; _: s, T0 y
- STA Bullet_Direction,X6 U: r, ]4 S/ v x; \
- RTS
+ v p9 h; N+ Y2 w `2 X
8 S4 Z# u2 Z/ g4 s- Bullet_Speed_Data_Ex:
3 w/ N( F6 [3 q - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
! b7 M/ X: L/ J+ o9 ^; S( I, K -
. y) e; h5 S' V" T+ M0 i# l! M - Bullet_Speed_Data_Ex_R:) t/ ]: i4 E" E6 ?
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
* ?0 W2 d! s. _ -
复制代码 . E6 z5 V% S ]$ O3 N# j" M
: A" C9 a' v0 o& _ |
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