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[FC][魂斗罗][J][追踪弹]
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6 l0 l6 M" @- n. f! }; l时间:2023.04.30* |8 D/ u# K0 E& {6 T
作者:FlameCyclone
1 F. T# G# E z0 `5 u. w6 I8 ~内容:# j1 }- a. W4 h$ S* b1 r2 s
1. 所有子弹追踪敌人$ }$ d. B/ J- I3 D, x( _
2. 选择键切换武器, _: u1 V; X) H2 d( h
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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$ e3 O' W) {# m# B, Y- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
# E6 y+ X, c; h; P - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
4 s% M2 ^4 D! x$ ^* s - 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)
- U% Y: R/ x+ d* f4 f% p - 8 W8 w7 P6 j7 W
- ;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); H% l; G' Y* X+ d. X
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上( b7 J7 k' K( v: W9 z( G
- a/ N4 ~- e$ G- Track_Enemy_Index = $6000
$ ^% j" a* Q1 C% y2 L% E - Enemy_Index_Begin = $6010
6 K. N: Y6 m( ] \4 J - Enemy_Index_End = $6011- g$ o1 l1 @ z2 G) K+ ]0 g
7 Z$ c& q& D* \4 ] r% I- Loop_Index_I = $60126 M6 i5 X: P5 `! ~* f
- Loop_Index_J = $6013
- v. l5 B4 a, E- K) K5 m - nEnemyIndex = $6014
7 i/ D1 p; e- ~5 T/ o- R - Data_buffer = $60152 V/ H L' [' v e5 ^
0 c* e# ?3 w: e$ I4 N- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
+ R8 j, X; A- @5 Z( A. R - Bullet_X_Pos = $03C8 ;子弹水平坐标
H( B) ?; B9 |, z - Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ C1 ?' I6 u8 z, ~( ~( e) G - Bullet_X_Speed = $0408 ;子弹水平速度
+ N/ T! k, g% q& Y7 f# B$ Z - Bullet_Z_Pos = $0418 ;子弹Z坐标0 J! L% c4 v% P* y+ z8 a1 |" G; F
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
5 n! z4 n: G" y1 M - 6 g+ P( f7 D6 ?0 H$ t& q
- 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
0 B! p! l9 B) S3 p6 Y - Enemy_Blood = $0598 ;敌人血量, J7 t# M: A4 D; s
- Enemy_Type_Addr = $0528 ;敌人类型
4 ~' p: _1 I' |' L; n, l - Enemy_Blood_Addr = $0578 ;敌人血量
0 M$ q, t' ^6 A. i0 \ - Enemy_Y_Pos = $0324 ;敌人垂直坐标2 D, I( u& U6 i
- Enemy_X_Pos = $033E ;敌人水平坐标
, [0 O B2 C; t0 S& M - Enemy_Y_Speed = $04E8 ;敌人垂直速度9 }6 Q4 L) y- |1 U; {
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
& [5 R3 \/ D: Z# r: b( w' Z3 n
3 B- L7 j$ m# [5 F# Q) ^& r" a- Enemy_Index = $83 ;
, E2 i7 x$ ]% O) R4 o! C - Time_Count = $1A, p+ r8 B& Q7 y" y$ D o: S+ N( g+ B( Q
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率) H m1 } D! b5 j8 G
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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3 @' j" ^- d {8 `0 ]$ n! W- .ORG $6100- m& ` @2 N! }, v' D
- Process_Begin:' b- k. n/ c) ]4 O
- JSR Enemy_Check- ?5 U1 K2 e; d0 `2 d* b
- JSR Track_Enemy_Check' }; o/ Z- p/ x: I" d3 v: O% N
- Process_End:
( E" R9 }+ o1 n+ N1 u - JMP $E54F
# h; N) B1 L! g7 A: N% f" v# E4 {$ A - 3 Q) v( C# p a0 X. p" C
- Enemy_Check:
/ p# y9 s& R( I/ ~3 O; @ - LDA Time_Count
$ _; R$ {% q8 n, A w# \ - AND #Track_Bullet_Speed
. B$ R! W* Y& ^$ `% ^0 i B$ [3 a/ S V - CMP #Track_Bullet_Speed
7 ]* d, e, b5 G5 {) q9 \ - BNE Enemy_Check_End+ u9 C/ m; t3 ?
- LDX #$0F1 R# S+ r! g& x/ {2 Y6 D( @
- Enemy_Check_Begin: r! X5 }$ _! n n5 A
- LDA Enemy_State,X
# ]# W* t3 b1 ~: x; O2 d! {+ B - BEQ Enemy_Check_Continue
* r- |) F" O, p* d8 f% L; Q. Z. K7 e - STX Enemy_Index
, k0 R- }9 G; x, L# v - JSR Find_Begin_Enemy5 v% [2 H& n; u) T
- JSR Find_End_Enemy
; N) e [6 j; q8 V7 Q! x+ i8 e - JSR Bullet_Track/ V" p& g4 X/ N4 T7 D. r5 K
- 3 G; D# Z l4 c. N
- LDX Enemy_Index
/ J% \1 k/ e6 d7 Z6 d) m( |: ] - Enemy_Check_Continue:
7 t# h K) e; e6 z/ A: m - DEX
. I: G9 W7 ^% c9 | - BPL Enemy_Check_Begin9 s' ?( w! {: N0 O5 S; o
- Enemy_Check_End:
- e% T7 m. [1 Z6 H1 S - RTS% E! E. e2 Q5 b8 d5 s
-
5 J$ v, [* m# P# w4 Y, ^$ s6 S - Track_Enemy_Check:
5 t, V) T$ `3 f0 f1 |0 ]! P$ _ B' i1 G - LDA Time_Count
# ?, O; g; R0 w8 r4 J - AND #Track_Enemy_Speed
; J3 l, n4 l, v+ P1 j% l [, |) A - CMP #Track_Enemy_Speed8 D" K$ I" r& b, E& O
- BNE Track_Enemy_Check_End
$ o" ?9 l% ]6 G0 n: } - LDX #$0F% }! A3 z; N7 K4 ]: K
- Track_Enemy_Check_Begin:( L% T& v) G4 ~7 v5 C8 G/ b
- LDA Enemy_State,X4 f, f7 n( y1 _% L5 Q3 I. J8 ]
- BEQ Track_Enemy_Check_Continue! G- ?$ _# a5 w- G( Q2 v9 r1 e: Q
- STX Enemy_Index! h" d$ l$ f6 r& [
-
* ~5 i' r7 w: _% y - LDA $40
M+ ~9 I) O/ E5 R3 m1 P9 p0 q - LSR
2 g2 b/ Z7 z6 ] - BCC Track_Enemy_Check_Begin_L1
" E7 N5 ?1 |6 r - 2 D( s7 Z& L4 K! \0 S
- JSR Track_Enemy_Ex ;2, 4
w7 g: b0 v6 e' _4 @0 Q - LDA #$00
( c- v! |* i) Y; \9 Q6 t7 i) e - BEQ Track_Enemy_Check_Begin_L2
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( L& G2 `7 Y( l6 x2 n - Track_Enemy_Check_Begin_L1:6 Z- s0 ~! I. u n9 b
- ( J$ W$ I: y& T
- JSR Track_Enemy
?$ {! Y* }8 i0 K
/ t8 V" p0 @4 {9 [5 Q$ R& h+ H/ l- Track_Enemy_Check_Begin_L2:% W0 D' q4 N7 q0 D
-
2 e1 q/ ^9 D" @ u. C - LDX Enemy_Index9 r& d8 ^* H& n! H9 s; O
- Track_Enemy_Check_Continue:
; I( Q7 B& a* J9 T* c& j1 p& w - DEX8 I) K" `1 v, H) E( p- L, K
- BPL Track_Enemy_Check_Begin
8 C. J, G) _& v - Track_Enemy_Check_End:
6 r, n0 U& p3 }7 w# E - RTS9 z/ ?" Y4 t& R
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- ;查找第一个敌人
; a$ {+ h# n% j g2 _) a7 @& n - Find_Begin_Enemy:
& `4 o7 @- p) y) {8 H' k - LDX #$00
1 {8 Z% ?3 i/ H) r) n" i' R - Find_Begin_Enemy_Check:) s: y9 [: Q" Q! u T% F. h; y
- LDA Enemy_State,X' ^! D8 T# ~+ b, d0 A
- BEQ Find_Begin_Enemy_Check_Continue
0 r4 _( L, ]) R5 P3 Y( q/ x" n - LDA Enemy_Blood,X/ A$ ~7 }* e6 e8 C, H3 d& P; C
- BMI Find_Begin_Enemy_Check_Continue
5 U1 |/ j8 a$ R* I - BNE Find_Begin_Enemy_End% W4 `- Z8 g+ M S7 z6 N, U
- 0 j! ]7 ~/ `" j9 Q7 i {, V
- Find_Begin_Enemy_Check_Continue:
; [& ^( z Y5 T- s% ` - INX" N3 B' P. s" l& V2 D
- CPX #$10
1 V$ S) h. j+ ~/ M8 ^0 g - BCC Find_Begin_Enemy_Check
4 j2 F3 m2 n( b4 Z7 q - Find_Begin_Enemy_End:4 p/ k$ T3 e" f t) O9 t, L4 c+ z/ w
- STX Enemy_Index_Begin( |% A& p# R; d; M h8 d
- RTS0 p9 J; R- d7 U3 v k! t6 s
- - L+ ~' s* W+ b' o8 ~' ]
- ;查找最后一个敌人& ^$ m/ j4 V3 f9 D
- Find_End_Enemy:) ?! k# h8 j7 W5 D) J' g1 t: {- g
- LDX #$0F
! Z$ F* x* q; l - Find_End_Enemy_Check:
: Q+ t: K- a- e% R( N2 N - LDA Enemy_State,X
9 U* d- C0 u, ~. I - BEQ Find_End_Enemy_Check_Continue
" T& h5 Z- d# J* p( x7 i - LDA Enemy_Blood,X' ~* I3 \$ t6 R% a7 @1 R6 Y
- BMI Find_End_Enemy_Check_Continue8 L5 B3 T% F5 S" d0 Z b+ k4 \
- BNE Find_End_Enemy_End% V" h& p l: R) q0 s( s1 q: Y B
- " V/ l; H' P; \. j
- Find_End_Enemy_Check_Continue:
( k4 T2 T. k4 A( C/ ^# w9 m8 ? - DEX5 k/ V' f' v8 p
- BPL Find_End_Enemy_Check4 I$ K% g* K7 T# E! O
- Find_End_Enemy_End:1 H5 x8 G' }+ K: }$ Y& V
- STX Enemy_Index_End$ F% s j4 c$ c6 Z! A
- RTS
$ ]- N$ Q8 k' Y! d - 0 f. ] x7 X- b& H
- ;子弹追踪
. L! b+ d+ {+ z4 Y* V8 @ - Bullet_Track:
# ~7 H, E7 X% _' C% k - LDA Enemy_Index_Begin
# {% S& ~. Z1 A; v' P- A3 X/ V7 A - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;7 B/ z3 d% _8 ?6 p/ _( u. Y' F$ W: {
- LDX #$00
( V5 j, Y K7 R b# \# y4 Y* t - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
8 K' p1 J' h; H: a; _# N3 q5 t - LDA Bullet_State,X+ e9 P' {- f \0 Y/ r; P# A. M8 K
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue; d. Z0 C9 e# [0 |% c: o2 c4 g# i1 H
- STX Loop_Index_I
) c' z8 D7 Q( \, P - 3 c2 t' K% c* Y8 X, v
- JSR Bullet_Track_Enemy
- K$ k: `7 d( X( v - JSR Bullet_Tract_Direction$ t: O1 p/ j3 o$ v! j
-
+ V4 k. b N, [3 V* Z - ;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
9 e' e; H0 W3 O8 M: G - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;* t: Z, M! e) J- G+ [9 y7 {0 H3 I
- LDA nEnemyIndex
3 ~9 c2 G. r4 _8 f" } D# A8 { - CMP Enemy_Index_End
$ T/ A9 u) e. K' }+ {& g - BEQ Bullet_Track_Check_Continue
0 S2 {6 P) z3 @0 k1 P: o8 E - BCC Bullet_Track_Check_Continue; |7 Z5 X4 |4 T6 V Q7 ?
- LDA Enemy_Index_Begin- @& u* d: H% G/ @. `$ ] i& q ]
- STA nEnemyIndex
\ R+ ?/ ?0 a: b# T$ C5 @ -
; Z; s2 `$ `" ?: j3 I" _% e - Bullet_Track_Check_Continue:
2 i) ~; U: ^1 T0 `7 o - LDX Loop_Index_I+ t- a1 L7 p: }. |# n
- Bullet_Track_Check_End:/ c" D% i" b3 K- X% t+ v* u, ~
- INX9 l$ ^1 N8 I) X) ?- o: _$ g
- CPX #$102 u) `: Y5 [$ x* t- }* y
- BCC Bullet_Track_Check [" ~0 L: K0 ^( J- D- S
- Bullet_Track_End:2 `6 t. g9 L' s+ Q/ U
- RTS
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4 f# @3 T4 m5 o) k - ;给敌人分配子弹7 w, T5 N# H4 o3 R) ?4 Z
- Bullet_Track_Enemy:8 ]7 p# x% q J) Z2 `9 s7 P
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
/ D- Q' _5 ~ d( T - Bullet_Track_Enemy_Check:7 L6 `/ Q% n! Z9 K( N4 t2 Y
- STX Loop_Index_J
, `- g# n) \/ E6 j) ?/ e - 6 O1 O0 O! C) @3 B. D% }, j, X
- ;if (0 != nEnemy[j] && -1 == nTrack[i])8 Y8 U. p/ X9 l
- LDA Enemy_State,X2 E% e8 C+ ]3 I8 j$ M7 w& [& ?
- BEQ Bullet_Track_Enemy_Check_Continue
* i& s2 q; F: T3 c9 h- E+ e. J7 ~ - LDA Enemy_Blood,X
" U ^$ e h% `/ w6 a - BMI Bullet_Track_Enemy_Check_Continue
) ], v* e# M3 W v -
# [% z1 |0 i1 p/ v2 w - LDX Loop_Index_I3 q4 O, n0 K% b2 M6 u9 |
- LDA Track_Enemy_Index,X
5 k' U1 ^* X X1 W, c/ L - CMP #$FF
; |9 Q. l- O+ _1 j. ]; J. J4 U - BEQ Bullet_Track_Enemy_Init) J6 u" R- P$ r8 I. F" a+ @5 T
-
X2 d+ K( N' F [$ p! | - Bullet_Track_Enemy_Init:
5 N2 ?/ Z( w! ?% S/ Y2 ?9 E - LDA Loop_Index_J
8 [9 }. u8 J! ]2 ?: d; i% e5 F& m - STA Track_Enemy_Index,X ;nTrack[i] = j;
3 g" L) o6 ?- `5 S1 n0 Z2 x - 8 x6 E# F0 }* Z4 ^9 E5 E# [2 {
- STA nEnemyIndex% C2 Y- y, p, W+ S0 Y- @" _/ N
- INC nEnemyIndex ;nEnemyIndex = j + 1;* q1 \2 C: o( j9 B; ^/ I: z
- RTS ;break;" O* v% }! J% k4 F j m/ ?4 A' t
% [+ n, L) ?: g1 ^2 ?6 A% S6 ?2 ]- Bullet_Track_Enemy_Check_Continue:
1 y& E, K" h" p; @8 w3 c - LDX Loop_Index_J
/ j8 r/ V- j. b) i% n - INX ;j++
5 d; y+ u8 u+ c- Q - CPX Enemy_Index_End
: x6 L# t2 ~5 V1 }3 q: l; t - BEQ Bullet_Track_Enemy_Check7 M# h8 @- M5 X) d
- BCC Bullet_Track_Enemy_Check
7 w" @. c! ^( X! x0 l. f - Bullet_Track_Enemy_End:
4 T: ]( W! \, h& {. K% `. ~ - RTS, a2 J% t% C$ {4 W) Z
- 9 ]7 B7 ]$ @: P( x$ \2 @- Y8 \
- Track_Enemy:
& x8 U6 x2 I& L) p# o7 e- ~6 V; m - LDX #$0F" \) Q2 Z4 M) ~( s
- Track_Enemy_Begin:% f! L, D3 u( b! S
- LDA Bullet_Icon,X
5 Y. p- k6 X6 |9 V2 K; w - BEQ Track_Enemy_Continue
: ?. L, [7 c( O0 h( I, m - LDA Bullet_State,X
( F. N+ I S! W/ U4 l. _- Q/ ~ - CMP #$01
3 Y+ D% k3 R& U2 c n5 O g- @ - BNE Track_Enemy_Continue
3 g* E' r$ p3 D- \ - 2 c! J, ? D D: h2 t) H
- JSR Track_Enemy_Process
" s Z; s6 F/ W' e) ~& M$ N& f0 | - % d! L' B$ m" t! f
- Track_Enemy_Continue:2 O W: ~5 a0 i5 H$ ~9 H0 i, ~! k
- DEX
6 U5 ?$ t: s0 R& J% c F) q4 [, Z; u - BPL Track_Enemy_Begin
% T0 v/ k+ R3 X+ A; P( q - RTS
* u( u0 Y# Q; O, D, p M) Z' c
5 h$ D1 H' z9 ^2 Y( l2 V- ;普通关卡
1 N5 L# n1 H$ B - Track_Enemy_Process:
" ^* Y, r2 Z/ M) e+ X, J - LDA Track_Enemy_Index,X
! M2 }6 A$ w$ i: z - CMP Enemy_Index& E0 h# w8 n$ e1 |
- BNE Track_Enemy_End
% |. [ R( i5 F - LDY Enemy_Index0 H7 u/ M: G/ Q
- JSR Track_Enemy_Y& m6 q1 E4 M) @; Z1 j y/ b
- LDY Enemy_Index: u* Z- M6 S2 T, v* Z T0 i
- JSR Track_Enemy_X7 B/ t- o% o d) b$ U# a. G
- Track_Enemy_End:
, O$ g% G- @, H) |' e* ] - RTS
1 m$ r2 D# A/ X. `2 J - % m j9 i: s$ p: M' k K6 N# q* A
- Track_Enemy_Y:2 }7 t8 F$ q/ P1 k$ x
- SEC
% }$ {! @6 e u$ f+ Q) i" d, p$ e. d - LDA Bullet_Y_Pos,X. W9 L3 S, `! L8 t
- SBC Enemy_Y_Pos,Y
0 f% {, [: ?4 r0 n% l/ \% p - BEQ Track_Enemy_Y_Equal
" z' ^! e5 i: N4 m5 p9 c# u2 W+ L& B - BCS Track_Enemy_Y_Greater2 G% ?5 t. W9 [" C. }& A
- ' [" c. |9 K; _, d) m
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y* w) X; Y* ^. C# Y2 q6 F
- CMP #$FC' q, Z4 m0 r2 K
- BCC L1_1
* L3 C& r0 Y* | V - CMP #$FE5 F- O7 q0 \( I& z( Q3 m, F
- BCC L1_2$ B3 P) _) v% Q
- LDA #$00 g! Z" Z6 _4 U
- STA Bullet_Y_Speed,X
8 z c$ f7 m0 X, a4 `" G7 C; p - RTS
- a9 a$ i% L3 ?' e2 ~ Q+ Q3 n - L1_1:
# X" n5 O4 [- s - LDA Bullet_Type,X) p4 {. M" n2 w% ?* _
- AND #$0F
& a- k; f7 C& @/ j7 v - TAY7 j' b6 _: G- @, K6 E1 D
- LDA Bullet_Speed_Data,Y p6 p7 ]5 v2 X7 |
- STA Bullet_Y_Speed,X! E% Y- s: V$ S" C2 r: X& _
- RTS
- A/ h+ E2 H2 Q( I+ D2 ~6 { - % k+ y4 e9 s, @ j8 a/ w
- L1_2: 1 b( \7 U" i0 r- V+ _8 M4 P
- STA Data_buffer
# G* Y6 {" x; o& ?+ Z - LDA #$00, D% l/ f, {" }, b9 P
- STA Data_buffer
) U- R% g6 R# y: |' \' R - LSR' B6 s7 h9 G- l; m6 q9 g& S7 V. n
- STA Bullet_Y_Speed,X
2 \1 {: x5 ?4 ~8 j' D0 k( \ - RTS4 r% y: T' \$ ?0 B
6 T1 s( b. @) L- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
7 Q; V6 R7 I0 P I- a) ] - CMP #$04
$ Z$ w2 D) N1 O) o - BCS L2_16 Y% W. z& c3 v# w
- CMP #$04
# r& U( E: {3 u/ n& A - BCS L2_2
1 Z1 a. _. L @9 I/ R - LDA #$00" p$ M) T& H/ D$ z
- STA Bullet_Y_Speed,X9 G4 {! L q6 |2 k" ~3 G& P& ^& ]
- RTS
2 P* r4 K7 R8 R3 e5 G2 ^ - ! R0 U M- l8 m, h0 E
- L2_1:
- @0 V8 w3 v, y1 w/ g, w - LDA Bullet_Type,X
5 D1 t9 P: B: w" l' [7 G5 s - AND #$0F
0 u- D9 _% [* {# T - TAY
' `3 |3 B4 I! A% c8 w O5 } - LDA #$00
" ] h( c' a- \+ } - SBC Bullet_Speed_Data,Y% P, J5 }, q( S, E- Y- c4 `" A
- STA Bullet_Y_Speed,X) j2 Y5 ?8 L, N. ], N& W% a; p C
- RTS
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0 @8 `; s# M' x! [5 Q7 R+ x+ F - L2_2:6 {1 V6 z O9 m4 l/ `+ Q
- LSR
$ s+ K# C& O- R* G k' W - STA Data_buffer
; x( [+ u- [, f - LDA #$00
( \' x- S& W9 m b5 o2 v& y - SBC Data_buffer
0 A6 I9 t0 H: O+ k( y, \ - STA Bullet_Y_Speed,X
+ D9 {9 X1 A& } - RTS
; b) T m. @* K3 e1 [: \ - 6 N& v, u5 f; P, Y$ G2 N2 F3 @& A
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y) ^6 U# L0 l' z# [3 P
- LDA #$00
; M2 w, q' `9 ]' l - STA Bullet_Y_Speed,X% v9 z; N o3 D. k: L" `: z) F
- RTS
% J" z8 h" {, t0 B. i3 u$ x - : x% ?$ q, H4 u8 @
- Track_Enemy_X:# s" I4 f/ C* s g8 [) R m
- SEC3 K) {5 P: F p2 _/ f! I& m( e
- LDA Bullet_X_Pos,X
7 s. o# ~: b" L3 h6 G - SBC Enemy_X_Pos,Y
( u" [! M3 V3 \- _; R6 R0 W - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X$ F% d$ ^. _6 l/ [* M8 {
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
: y' \( C* o! N& \ - ; R. n: E7 d8 ]# K9 x( ^
- Track_Enemy_X_Less: ;子弹X < 敌人X7 `$ W0 P) l2 m
- CMP #$FC3 M7 k3 x8 x/ q! [7 f/ m
- BCC L3_1
* K6 L& ]" x+ N" o$ R, N+ Y - CMP #$FE- X" m# u3 w% w
- BCC L3_2+ }* c/ o T! n6 u
- LDA #$00
0 Z' H W3 J5 j5 d7 K - STA Bullet_X_Speed,X
4 Y0 H" @, k9 h/ S5 E! |- U - RTS
. H/ z" I7 x( H) \1 |' M+ E - L3_1: + i8 n) f5 N! ]! p" L2 v* _
- LDA Bullet_Type,X& _% T" U' p: H) N D, a
- AND #$0F
; c# b2 q2 a7 e5 l4 L - TAY
; j% m+ P) C7 X! h7 e - LDA Bullet_Speed_Data,Y+ F, `! O, T* }7 A5 m
- STA Bullet_X_Speed,X
& @0 D: s5 U: j5 f* i) E3 q. k - RTS
7 i' a/ E# N8 x$ \* B" i - L3_2:
9 ~/ ]9 ~5 H* D$ u6 v - STA Data_buffer) B/ z2 t: H4 Z: g4 @: @
- LDA #$00
, Y3 [9 Q k; s( m - STA Data_buffer
1 p8 G! J' L$ A - LSR: \. l% @. g) \( h+ l& t
- STA Bullet_X_Speed,X1 `" {' q* ?. {8 R! t$ n0 S
- RTS! T& u0 ?6 p& H# C, o; x8 j/ q; B
-
0 y5 e% r; U2 ^4 U# x% d y: O( P: A: _ - Track_Enemy_X_Greater: ;子弹X > 敌人X
7 b& p. i" z4 l: w - CMP #$04
& Q' I7 Q: `* R7 d5 d5 q; C - BCS L4_1) ~- \2 Z9 S' h
- CMP #$02
( `- x: {* z [7 {1 \3 p& v - BCS L4_2
7 y& D- c" k" D% d( f& J7 t- t0 ^ - LDA #$00
3 `& x: J6 X8 q! Z* k; z5 ^ - STA Bullet_X_Speed,X
3 D# Q+ c; g' X6 S& V - RTS$ `: T! R( A7 @0 g' P- Y
-
' s$ y. y2 v0 u# k4 ]# B1 ? - L4_1: % e. S" ]- X$ o4 F: P
- LDA Bullet_Type,X
* P; Y; `$ z& x0 k* H0 H2 v - AND #$0F* O7 b/ u+ Y0 q+ j2 H/ [
- TAY
& {/ R9 D* Q7 {+ b( n% ^- R - LDA #$00
5 O8 C2 O, ~& u' L - SBC Bullet_Speed_Data,Y
% m' r% j) P& l4 t H* c! q - STA Bullet_X_Speed,X
* W( l: l8 u; @0 S2 | - RTS
4 H: `# h; d# T, a - L4_2: ; w2 V/ o1 t% D8 P8 `7 i
- LSR* K# O; P0 Q1 g- R$ M
- STA Data_buffer3 \6 }3 U; l" q
- LDA #$00
5 s4 E8 C l# ]# ] - SBC Data_buffer
: E1 [# d1 j7 E/ T' y7 Y - STA Bullet_X_Speed,X
+ p( C! e) d1 q7 Q: X7 K2 q1 C - RTS
! q X6 r" K: U9 [3 {- W8 b; q -
; m# Z% n8 J8 j - Track_Enemy_X_Equal: ;子弹X == 敌人X
5 [3 O/ \1 O# Z$ S' q - LDA #$000 S6 q% v$ j2 W5 p% Z4 a+ I$ h
- STA Bullet_X_Speed,X
2 h- b! X+ a m3 w n9 v - RTS
, `; i. ~3 F! k" l f+ U -
/ g$ ^8 M$ \0 T6 H s* L1 m/ T - Bullet_Speed_Data:4 y( [+ K, @- U c# L/ }
- .DB $00,$03,$03,$02,$03,$03
" Y8 _# M0 i9 V -
3 u0 Q& l* w% y- m+ U7 @. ^ - ;2, 4关
- @9 k* _* m+ r" t9 [! N - Track_Enemy_Ex:
* E6 [) `% z5 b2 |: I. Q2 E - LDX #$0F/ V4 T2 | \( V# y0 [4 t3 g }
- Track_Enemy_Ex_Begin:( E; [2 n1 `. O" L: I1 d7 d
% @0 q+ v) d E- LDA Bullet_State,X" |/ N$ F# \! X0 G
- CMP #$01: L6 @1 r8 M. v. ?5 F3 P( w" J" q
- BNE Track_Enemy_Ex_Continue
6 c" G+ p1 p# k; d' I. R8 B/ j - . B- H2 X' E. a4 Y
- LDA Track_Enemy_Index,X
5 f" H9 l3 x9 G: E7 J) i* [ - CMP Enemy_Index7 J E$ q# {& y+ U, f# l
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
- N4 ?: g+ r) M2 B/ c - g% j. V! q# O3 b) y3 V% I3 B
- LDY Enemy_Index
V8 l! U! I6 l2 A - JSR Track_Enemy_Ex_X
6 D" F4 _0 m6 _: w! ? -
# |# j' G" s$ { - Track_Enemy_Ex_Continue:5 u9 W6 r5 D: g) J7 U$ S
- DEX
- W. F& Y9 R( D) z - BPL Track_Enemy_Ex_Begin
9 @6 z. G6 }0 K7 ?+ n1 Z# t - Track_Enemy_Ex_End:6 J" T6 [ B! h% {) U/ @- J
- RTS# J @4 [: y, O% N3 ?! U& a
- 1 y, x' v7 W" L
- Track_Enemy_Ex_X:; q: z7 @% Z, }
- ;LDA Bullet_Z_Pos,X
7 f& e9 w& u0 ? - ;CMP #$049 {3 t# S2 d! v
- ;BCC Track_Enemy_Ex_X_End
2 B6 v6 f7 {. C% F2 L - SEC2 v) B. a I9 `6 E, X/ H# s" Z
- LDA Bullet_X_Pos,X# H2 B1 n) J7 \8 I4 k- F8 k1 q
- SBC Enemy_X_Pos,Y; w O/ D6 ^' A+ G3 E' `
- BCS Track_Enemy_Ex_X_Greater
( m3 `1 S8 ?( ?6 J4 X - ! `) T$ U) V g; _) Q9 x
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X& ?# @: o; d; `- ] `* I. b- R8 ^
- CMP #$FD
6 B8 J, r* r O/ y8 O" Z - BCS Track_Enemy_Ex_X_Less_End
; ~# Z5 I9 k4 W+ E- s - LDA $6020,X
% e" a# C8 v0 C( j/ y - CMP #$2A
L9 x! j1 Y' P8 i( _ - BEQ Track_Enemy_Ex_X_Less_L1
# \8 |3 i# w; j. s - LDA Bullet_Z_Pos,X
2 W# m' w1 y+ j# x5 n - LSR
6 s1 t9 u9 c- i2 f/ @" G - TAY4 {3 b# p1 W7 d, v0 b
- LDA Bullet_Speed_Data_Ex_R,Y
4 |$ g* r4 O) l8 ^ r2 e+ R U - STA Bullet_X_Speed,X, ^+ w' [8 Z7 V
- RTS
0 H `9 W+ o$ A+ n - Track_Enemy_Ex_X_Less_L1:
. e3 I$ M% G3 o% J
4 `# j+ Y8 T. Q9 e, `2 N- LDA Bullet_Z_Pos,X
% y0 Q/ i- R7 Q& ~$ J$ V - LSR
( M6 A& u8 O. v! ? - LSR
; U, D" f5 r" c) l- \8 y4 V - TAY- X+ J: y) Z9 `8 I1 q1 c, i
- LDA Bullet_Speed_Data_Ex,Y
- m, a% U1 o% r3 L, O - STA Bullet_X_Speed,X
4 h$ f5 i( q, K6 F1 E - RTS; [" Q* n, g3 Y9 t6 z
-
# C! {- J& I' h3 t) y9 t; a3 a4 c - Track_Enemy_Ex_X_Less_End:
' L4 a6 Z# A+ o/ x2 L! H - RTS
2 i; w# |0 [% x4 e9 N8 D9 w - # `; c# n. X, j9 ]. ~
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
8 d6 E3 Z8 N" K3 X, } - CMP #$03
! T* t$ V# C) f6 T" T - BCC Track_Enemy_Ex_X_End! r5 e0 o$ x# H. a7 _0 j3 h
- LDA $6020,X! v& x6 G" Q7 l, \; X- d
- CMP #$2A8 L+ @% d7 R* [% }' V6 H" B
- BEQ Track_Enemy_Ex_X_Greater_L18 C1 f F$ z) W: s k: N* I
- LDA Bullet_Z_Pos,X/ [6 E6 `5 K* b3 |
- LSR7 A# F0 a" j, W, g; m! Z: N, u
- TAY6 L. B3 |5 |5 s4 U: y6 D8 k r# F4 Q7 U. ]- `
- LDA #$00
( [( O2 Y9 s( W7 R! E5 i$ z - SEC8 x3 X8 Q. H0 d% X
- SBC Bullet_Speed_Data_Ex_R,Y
) A$ E& C; s/ a' o+ l* F4 U - STA Bullet_X_Speed,X5 H, J4 [+ L# c6 h7 z% W- n! L) d
- RTS0 m' z2 ~: d" h+ V
- 8 {8 Z% K6 n9 C( S
- Track_Enemy_Ex_X_Greater_L1
& K% e) Y7 t6 W( s - LDA Bullet_Z_Pos,X4 E8 \* L- v9 n- U: X7 z
- LSR# C: v3 o; E3 V
- LSR/ I3 a$ l% g% ~. S$ ~0 x5 ]
- TAY: ]2 @# h& p0 j$ ]
- LDA #$005 H" k0 @6 l* H& t
- SEC3 H7 I) q3 A$ g' F1 H$ E
- SBC Bullet_Speed_Data_Ex,Y, H' R2 t" j/ i7 \* H2 W6 }/ q
- STA Bullet_X_Speed,X; s7 x1 p' |6 G. M# j7 b
- RTS: M0 q6 U5 h0 H
- / T6 @; E6 d8 Y* X
- Track_Enemy_Ex_X_End:7 v. h% R+ f6 k/ k0 V2 d
- RTS0 ~& F" c- Z4 U, P/ \9 }
- : K6 x7 Y, I4 ?9 v8 d
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
# R8 r- p) n$ E1 ]. Q3 R - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
8 y Q. C8 j; c0 c - Bullet_Tract_Direction:, u+ b$ `0 T2 i+ ^& ~; t
- LDA Bullet_Icon,X' I" x3 Z( s; h8 h
- CMP #$23% `) U' ?7 x+ K- ]1 T/ f
- BCC Bullet_Tract_Direction_End
1 u" u2 w# K! G5 V' p/ b" G% c! P -
8 r& B* S' T# n8 k - ; X != 0
! Z% {$ _3 s$ ~ X& C! U! Y - LDA Bullet_X_Speed,X, Z+ {3 c- ^ J/ Q) H. D
- BEQ Bullet_Direction_V0 h/ v3 C% D8 v' O% a3 B8 R5 u
- k3 B' H7 o3 Z. K6 k! d/ O r3 t
- LDA Bullet_Y_Speed,X. J4 ]* u2 E* T0 W0 s5 p" x% V* o0 q
- BEQ Bullet_Direction_H- l9 h& j0 b! X7 s* K
-
& ~- o" L3 P# v$ \3 Y! ?4 ^1 h% d - LDA Bullet_X_Speed,X
+ j: T1 j8 n# K* F4 E, q - BPL Bullet_Tract_Direction_Right9 T) @7 d3 c4 N- \6 `7 T B
- Bullet_Tract_Direction_Left:
9 |2 w2 g' d1 Q9 s& H# V: s' B1 ]" W4 k - LDA Bullet_Y_Speed,X4 L' j$ c, m& B2 |3 g* {) B
- BMI Bullet_Direction_Left_Top
( b) G* G' L- R, |+ P, V( p - BPL Bullet_Direction_Left_Down
$ {) v) _1 S9 Q" l - Bullet_Tract_Direction_Right: `) h3 k4 a; k. M& d3 V! L
- LDA Bullet_Y_Speed,X, v4 o& q7 q3 Z* y! M+ w3 n
- BMI Bullet_Direction_Right_Top
' x- M+ l$ z: L- y - BPL Bullet_Direction_Right_Down
M1 j: s3 ^# I* g2 Z7 z - Bullet_Tract_Direction_End:
) e: _, v# b* z1 U& q1 r - RTS
) M% @ s1 c: N% m* b5 R$ j
: T: `) w8 w* ]- Bullet_Direction_Left_Top:
9 ?8 ~2 \3 [- L& |+ H# u& s - LDA #$252 N* F7 w; m, z6 ?. ?; n
- STA Bullet_Icon,X
1 y# B# S) I; B5 ~5 b/ P - LDA #$C0
! J0 f8 r9 C+ z# B" r - STA Bullet_Direction,X
) G* |& S0 @0 G+ {7 v2 D - RTS
. l/ U- S1 A) ]. m
$ o- A% H& `) g$ ]- Bullet_Direction_Left_Down:/ H" y& K8 Z) G0 Z; t+ Y
- LDA #$25
0 q" N" |- c* y. o$ R* a$ x - STA Bullet_Icon,X
9 Q6 e ?* `. o2 m* s5 F$ K - LDA #$40
5 n8 H4 R+ R0 F) n( V - STA Bullet_Direction,X
9 I& ^$ N( k; _3 u4 v" \ - RTS
7 A1 a6 I9 e3 s" ?) T Z - ! Q$ p$ V) Q* p- g# ]6 @
- Bullet_Direction_Right_Top:
( n m. ~+ j) x, x - LDA #$25- c4 O* R- C0 v# n1 Z7 O+ q
- STA Bullet_Icon,X
+ Y" s6 c( K- `4 P. } - LDA #$80' D% U- u* S. Q$ g# I* G
- STA Bullet_Direction,X
* L( f }, m" t" f2 Y* }8 A6 U% k$ t+ h - RTS% k; r% {; D4 }7 l D
C" |0 C$ ]3 C- Bullet_Direction_Right_Down:2 O$ {# V! j3 t' i+ U5 U5 U
- LDA #$25 S/ p r/ m* D8 R! F
- STA Bullet_Icon,X
2 s0 [; G" {. W; M/ x5 K8 z* R - LDA #$00$ t1 [" H9 ~! g1 r
- STA Bullet_Direction,X
3 l- Y* m! P6 U/ }9 b* v6 w - RTS
; P/ q( f: w- V0 [3 J% {
6 o$ n! q5 A) M7 B! D. ?! A- Bullet_Direction_H:
- ?* V9 o3 u& o3 @ - LDA #$24! q, ~& u$ H7 U4 C) w
- STA Bullet_Icon,X
4 f( w' g m1 n& y: }& P! u; X - LDA #$00
) g& U ^# l2 ]! t2 j - STA Bullet_Direction,X
/ m# Q4 Y7 ~" |4 I( K: u5 V - RTS8 ^# {, [) [: C/ ^( w
$ K/ D7 y7 j* \8 @- Bullet_Direction_V:5 R& ~2 j o1 k0 L C
- LDA #$23* _6 \* P7 `4 p: i- q# o! D6 y
- STA Bullet_Icon,X: A V$ |1 q l: j4 c
- LDA #$00
+ y9 p( L# L5 `$ l3 A8 O2 o' B8 ` - STA Bullet_Direction,X
, A% w" {* Q" E8 Y1 x* \/ U7 }- [9 b - RTS* y! s& n9 j) r4 m' h6 n
- 2 `; {& f- D8 W3 ?6 N1 t9 n
- Bullet_Speed_Data_Ex:
( l$ l5 ]8 C4 O- o2 e - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$049 p0 ?( J$ V" e, T( V
- 9 ]) R/ U& K+ v% H/ v
- Bullet_Speed_Data_Ex_R:: Y: E" \2 a9 t2 V. K# [
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
1 \- v( b1 ?1 a. E2 C2 h6 J1 A -
复制代码
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