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[FC][魂斗罗][J][追踪弹]$ ]0 @1 G0 J: X- ]+ U3 q
) j7 N# k ?9 m时间:2023.04.30+ t- d( M; {) d: s0 P; ^
作者:FlameCyclone
6 \/ k6 T# C( {/ j( }内容:- ]" V" h4 Q+ s1 N n; u0 s" ~8 x, h
1. 所有子弹追踪敌人9 K+ d( ~, _$ s1 `, a( D1 V
2. 选择键切换武器
# N% z. E' Y" z9 x% b0 ` 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 a6 N( O) O5 {) I
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flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
7 [5 A/ ^; \# a( x6 I - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L! {( n) `0 W/ ~8 K" v [
- 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)* q1 a' l" B, H. u4 ?% h
7 r/ c0 k3 {* a- ;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)
4 x" d( V. c i - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
( i. K: w2 ]( a: S; X1 z) q - + t. q9 f+ H% k6 [! A1 {
- Track_Enemy_Index = $6000& O- }1 }" M+ _7 I5 n* a- G
- Enemy_Index_Begin = $6010
8 O4 B u, c3 `( W+ n; J - Enemy_Index_End = $6011
$ s7 M& _7 O, v! y6 ] - : D2 L7 q& v/ E" J& I3 N( |& \
- Loop_Index_I = $6012
2 q- S& v1 _ N1 O/ Y; f( z" x; O - Loop_Index_J = $6013
0 x( r5 x/ f' ^6 f - nEnemyIndex = $6014
$ o& H3 R# y' O* Q8 d# O. { - Data_buffer = $6015
' S! O2 \+ l1 a- o
3 U6 t$ p. x7 J! j- Bullet_Y_Pos = $03B8 ;子弹垂直坐标+ R7 ~% Q: ]. C9 f4 {
- Bullet_X_Pos = $03C8 ;子弹水平坐标% H6 n! ^# N5 Q, Q* P
- Bullet_Y_Speed = $03F8 ;子弹垂直速度: r9 l4 g B5 r
- Bullet_X_Speed = $0408 ;子弹水平速度
# K: @$ M, m+ C2 |/ H" ^ - Bullet_Z_Pos = $0418 ;子弹Z坐标
( N U; p# s/ E. B( P4 p - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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& S D) U# j) b2 d$ G" b& 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3 a& u0 Y/ l2 i0 M1 O- c
- Enemy_Blood = $0598 ;敌人血量
! L# Z9 N+ N1 T8 _7 [4 \0 G8 | - Enemy_Type_Addr = $0528 ;敌人类型. F# p" G' ^/ v; b" L& {
- Enemy_Blood_Addr = $0578 ;敌人血量
) N% A. J/ ^# p( F5 ?3 } - Enemy_Y_Pos = $0324 ;敌人垂直坐标- Y' l Z3 s7 J/ {/ ?% |& `
- Enemy_X_Pos = $033E ;敌人水平坐标- r* P+ O8 z8 t% V: T. H
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
. M+ D- U6 {: D& w3 N$ Q - 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 ;
: C: {- {# `3 J( o# f @' B - Time_Count = $1A
. l0 q( h: h7 n' M- d# r" J6 i* x- M/ ` - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率: E' o# K: o# ]/ ^4 H C
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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. V. X3 i6 z2 z. V- 2 @( ~3 |/ P4 H; ^! ~/ j. }
- .ORG $61001 C: ~7 s0 K( E P
- Process_Begin:
# l9 a8 G. _) B. Y! Y8 X. S - JSR Enemy_Check
. D7 K T: Q5 R5 W - JSR Track_Enemy_Check
' y4 T; p7 l- U z/ E" f- y - Process_End:( y$ j b' m: f+ }2 m
- JMP $E54F
/ U9 m4 D8 ?. a0 @' f
^) F# k7 ~4 j4 l+ Y# |% j- Enemy_Check:
$ f1 V1 ]8 M3 h$ h" Z$ p' l - LDA Time_Count, c6 t7 e8 J* J2 [$ o; B
- AND #Track_Bullet_Speed
. L7 ?+ c: h% A! H9 q" G; J- a - CMP #Track_Bullet_Speed
+ L9 Q' Y7 {1 s i - BNE Enemy_Check_End
# o8 c) E, P) s J - LDX #$0F: y" n/ t! l" G- _3 y! G
- Enemy_Check_Begin:# t( ^- I+ b; J# p9 Z# ~
- LDA Enemy_State,X0 V9 Z, r" J& l3 u$ r ?
- BEQ Enemy_Check_Continue
: ]4 G J) A; d - STX Enemy_Index
4 Y1 w' w9 h! A. y: h: v - JSR Find_Begin_Enemy% g2 z# l6 L: c" S
- JSR Find_End_Enemy* M& U; @+ ~7 c9 F& l6 D& m' V6 P
- JSR Bullet_Track: D8 C( J/ T1 C
- 7 z3 s) y) ]+ R, N) l* A. q0 z; j
- LDX Enemy_Index7 {/ ]- l' B1 m0 N1 Z
- Enemy_Check_Continue:7 W1 t8 n* O/ d' p9 }
- DEX4 ?. N- z, r7 i' ?. @
- BPL Enemy_Check_Begin5 T m5 v$ x j2 G- l Z
- Enemy_Check_End:( D+ `$ H- h: X
- RTS) O* o( I1 z# M$ \
-
8 a0 H5 h/ y# D( \+ p5 [) t. x - Track_Enemy_Check:
; M$ L6 p e5 W9 G6 |3 z3 S+ a" s - LDA Time_Count- G( ?* ]) E V9 L8 D
- AND #Track_Enemy_Speed
2 g& j/ i3 O8 U4 i; C n - CMP #Track_Enemy_Speed: Z8 `2 H+ O" G+ \* m: e$ p2 Q
- BNE Track_Enemy_Check_End
: S( y4 p6 I; \8 n2 L0 t - LDX #$0F
6 Z* J" Z/ ^- ^& K - Track_Enemy_Check_Begin:
! Q4 J" j6 f/ w p. x - LDA Enemy_State,X
1 g6 \; V! D: i5 L( C8 C - BEQ Track_Enemy_Check_Continue7 D6 V3 G- o2 s: ^
- STX Enemy_Index
- C* ]* B6 i& J/ { -
9 l1 x8 a1 f: Q$ F3 y- Q k1 ` - LDA $408 |3 J4 S8 j) X: K1 B/ a: I3 h
- LSR
" _% G/ t$ m7 j$ Y. z B1 M6 ^ - BCC Track_Enemy_Check_Begin_L17 u6 N' X6 P5 x% _5 |) ~
-
+ M V3 @. l7 M; Z z2 D3 A - JSR Track_Enemy_Ex ;2, 4
: D& g) H. S8 b8 w8 B) F - LDA #$00+ \ u* b( |% T5 W* L6 x
- BEQ Track_Enemy_Check_Begin_L29 l8 I3 G$ B G8 t% H7 B! I
- # \, T9 c1 @2 I! v$ X$ ^
- Track_Enemy_Check_Begin_L1:$ u* Z; K2 a6 z/ u8 }2 R3 j
- * Z5 ~% d1 e$ C: y7 U+ m, j
- JSR Track_Enemy& u4 @/ h. L- ^0 |6 b# Q4 Z% P
9 N: Z9 _! l m. J- Track_Enemy_Check_Begin_L2:6 H: | X- ^& z C$ N
-
+ C$ v! g& u( l - LDX Enemy_Index7 N! R& O4 n$ C, d0 n
- Track_Enemy_Check_Continue:
; S6 t4 e0 A$ x# T6 S( K - DEX
9 v' s2 `; g$ D' \ - BPL Track_Enemy_Check_Begin+ y# x% n' W7 @1 H/ x5 T
- Track_Enemy_Check_End:
; ~$ D2 Y; c: B" w- |& |+ \) \' n - RTS% T6 @3 d# s. I- d4 U
- % _+ G+ O3 I. {, |. p) a
# w- }9 Q6 V& k' M& ]' N- ;查找第一个敌人( o3 p/ l9 F' X: q$ Z/ X0 \
- Find_Begin_Enemy:8 ?- f& K, `% p
- LDX #$00- Z. M4 B* B# ?+ S/ N
- Find_Begin_Enemy_Check:8 G1 F" x" r! t' B% I
- LDA Enemy_State,X
' x3 ]) k( A! v: y- v7 b& J - BEQ Find_Begin_Enemy_Check_Continue
" A3 B x. ^6 e( H7 q, n - LDA Enemy_Blood,X( ?6 a: l+ R; q6 u8 v3 f
- BMI Find_Begin_Enemy_Check_Continue* ] \) v8 m$ k% |) N$ X! D
- BNE Find_Begin_Enemy_End
3 t C6 q" |, `" i - - H# Q* u6 _: d) P$ m+ D& H
- Find_Begin_Enemy_Check_Continue:
0 S5 @ @$ h6 U- r) p0 ~( j - INX
3 m& B0 d7 y# G - CPX #$10
8 T. |7 @7 K# u6 q" l% J - BCC Find_Begin_Enemy_Check6 v5 W6 `$ N7 x! V4 z, F
- Find_Begin_Enemy_End:
* s- X3 X5 L! C7 ~1 ^0 P: o% R% a9 o - STX Enemy_Index_Begin+ f+ ~+ I; ~" m
- RTS9 ?( G# {5 d! `7 T6 ?
/ r1 a" H u" D o: z) j6 b6 S, z- ;查找最后一个敌人
; p4 o5 P" L( l3 d - Find_End_Enemy:# X# I3 U1 u6 X0 i& k8 \7 S6 B+ h
- LDX #$0F
* N' E8 V' a N- ^% C# x. j - Find_End_Enemy_Check:
c2 P- g- a; A% \! M - LDA Enemy_State,X
9 t3 {( @ H3 N) L7 F4 X - BEQ Find_End_Enemy_Check_Continue8 B) ~5 r2 A+ C5 i- |
- LDA Enemy_Blood,X
" n4 P7 _6 I! |9 T - BMI Find_End_Enemy_Check_Continue% Z. B3 p+ i4 n: V
- BNE Find_End_Enemy_End
% `* L; [: a2 R [( ]+ l! Z' K -
" G5 R& O+ [6 P8 B9 B* T - Find_End_Enemy_Check_Continue:
, Z3 G7 |6 z4 @3 J: |! S - DEX' R9 q9 f+ ~1 ~3 r5 Y
- BPL Find_End_Enemy_Check/ B: m+ D1 p& v5 `9 t
- Find_End_Enemy_End:
8 ~' ]: h5 N0 X3 |6 n7 W' h - STX Enemy_Index_End' A1 e% ` G Z9 `
- RTS9 c" s) ?" l+ A4 F [ g' r
- 9 Q R$ l- M' I& {! W
- ;子弹追踪
! Q' i- H- _- [# n - Bullet_Track:: T% J( u. G0 K( J0 E# q
- LDA Enemy_Index_Begin
' ^4 L5 w2 g6 I) Q* s - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
) G9 {' m. |9 t6 X4 k e - LDX #$00 * `) M! p E* y+ v5 A' G" f
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
( t* W# `. j# f7 F8 | - LDA Bullet_State,X* m' _4 H/ D/ n; E: Y
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;3 x9 `! \5 c7 A
- STX Loop_Index_I. u0 E/ ^+ Q# {1 u
- V/ Q3 W4 {! Y2 V- Z
- JSR Bullet_Track_Enemy4 ^8 R# I @! m; S* x
- JSR Bullet_Tract_Direction5 [( J6 |( @. e: X7 w1 u4 f* q3 b) ^
- % K$ ?3 r1 j% ~% G3 }- D
- ;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
' r7 J$ l+ P, f: ~+ S4 S - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;) m1 z; s2 i% \ a- k
- LDA nEnemyIndex9 S8 C* l v. r( z
- CMP Enemy_Index_End" T$ {% F1 h F) A1 \
- BEQ Bullet_Track_Check_Continue/ ? N: _* A6 g) w
- BCC Bullet_Track_Check_Continue4 S }; T! \7 I6 F
- LDA Enemy_Index_Begin/ I: U3 j) G7 }6 ? a
- STA nEnemyIndex
' q! n8 |1 T9 ^) a4 n -
3 N7 O: ?# x, H% h' _ - Bullet_Track_Check_Continue:
& g: ?2 _' H7 W3 ]8 O' J - LDX Loop_Index_I; Y# }2 }- q V0 O6 A: B; u
- Bullet_Track_Check_End:
2 s' u8 q5 o) B% D& a+ b4 j2 \2 E - INX
2 t, ~) ^ ]9 y - CPX #$10
( i1 t- o( _7 S - BCC Bullet_Track_Check
" M. o7 r5 X/ `& J! v! D) d - Bullet_Track_End:: G% k- V1 y( i6 h# M! V! b) d+ c" y
- RTS$ y- e" s: ]* W9 h, j1 t: C
- - o9 X/ V* K4 U$ H2 I& g1 ~/ [& d
- ;给敌人分配子弹& `' {% H8 G$ ~* ~# P0 y
- Bullet_Track_Enemy:
& M+ I; Z* @8 M( Y6 q0 g - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
& B$ K+ u% u9 \5 \) G - Bullet_Track_Enemy_Check:5 D S# N/ k+ `9 R( @
- STX Loop_Index_J
L9 R; [2 S; N1 g - * o3 T2 g7 \& t4 \+ }- I
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
( L" i& c. c, {; _7 u - LDA Enemy_State,X. v n { \: U- {
- BEQ Bullet_Track_Enemy_Check_Continue
) q5 H7 X! p6 X- g% W - LDA Enemy_Blood,X: T, z- s7 A2 L) O
- BMI Bullet_Track_Enemy_Check_Continue
8 L: K5 u; C1 k! q) } -
# }/ m' |) L* @' r& p - LDX Loop_Index_I
7 j% c- S6 e1 B' q! ? H - LDA Track_Enemy_Index,X
1 J; p+ A0 c4 z7 B% U, R6 h - CMP #$FF
/ K/ A% b0 H! B) K- R+ o - BEQ Bullet_Track_Enemy_Init& k+ d( Z2 G9 w" s8 H* q+ g% q
-
4 s( m" A0 n: b6 y5 `9 i - Bullet_Track_Enemy_Init:
- k' [3 i$ G( a# g' N# t2 ~ - LDA Loop_Index_J$ b9 x2 U; z) T# g
- STA Track_Enemy_Index,X ;nTrack[i] = j;: V4 v+ ?& g, t5 {9 t
- 6 w4 s/ _) H0 i8 v
- STA nEnemyIndex( G+ O' l# E, O! V8 c# x a
- INC nEnemyIndex ;nEnemyIndex = j + 1; e3 d. b% W+ y0 {1 j2 j% K
- RTS ;break;; }8 y% n: A6 n2 Q. F ^: N
. _, A# Q7 ?( y2 r& A4 Y8 s- Bullet_Track_Enemy_Check_Continue:
; I3 f( @2 T& c+ U$ I+ k& l - LDX Loop_Index_J
% u; P1 ?9 \2 h3 i% n6 T, x - INX ;j++% i" L( @/ L# z' K
- CPX Enemy_Index_End
# V. a0 y) a. x. T - BEQ Bullet_Track_Enemy_Check
) P3 O$ Y( c2 B& W - BCC Bullet_Track_Enemy_Check+ ~. D/ @# R" a* _# ]
- Bullet_Track_Enemy_End:
: V, P+ T+ }6 m+ w% c c, g* ` - RTS0 R( T1 a' h. p) K: Y5 X8 ^9 S) d$ Y
5 y% k4 V8 p8 S- Track_Enemy:
- C! l* u; v0 R8 @& q8 Y - LDX #$0F
, F8 H3 N: {( G! a1 T) b - Track_Enemy_Begin:
- p5 y0 a$ `( y& H - LDA Bullet_Icon,X: M1 X$ @0 U, g/ q- a( K
- BEQ Track_Enemy_Continue
% E* m4 E% k- B4 r - LDA Bullet_State,X! F$ U9 G9 [( ~) D8 p
- CMP #$01/ `- f& Y5 [+ f6 I' X, J
- BNE Track_Enemy_Continue
( J# i. h: s( @) B- l8 w' F -
8 S0 o2 q; |4 `/ j( |6 s6 v4 L - JSR Track_Enemy_Process) C: Z- h& O/ i9 {1 x
-
b( I( p, \" M - Track_Enemy_Continue:0 l \7 i8 j1 Y; Q: X3 U" E
- DEX
; c/ x# G2 z1 ]: ~, B) S6 {; N6 F - BPL Track_Enemy_Begin) a u! Q0 Q! m, y" {! \1 ?) _
- RTS- d5 b! l$ o! s2 A8 n
0 e2 y4 c! |8 j8 M- ;普通关卡% z2 k5 W) U; c- r) v
- Track_Enemy_Process:
3 w% E. f0 t5 {8 C+ a. c - LDA Track_Enemy_Index,X0 X4 S! V7 P J: f; _- T+ j
- CMP Enemy_Index
! ^; P* d/ r3 {1 G7 u/ ~5 s% f - BNE Track_Enemy_End
. N8 R! C$ J$ E: S: w% Z - LDY Enemy_Index
7 v$ y; g5 K1 X4 M7 u* x. } - JSR Track_Enemy_Y
: ^, D/ t2 p+ n$ g4 I3 [& Q# H8 m - LDY Enemy_Index
# { t' V8 V# P( d( o - JSR Track_Enemy_X# \; N4 \5 E& V0 K
- Track_Enemy_End:, l1 ]( V8 s* ~0 F
- RTS
. O8 }0 b5 @' Z a -
) T# W3 V5 Y4 J% a6 X% `3 B - Track_Enemy_Y:7 }+ G' h; D0 p" ^( P# v3 A" \
- SEC
; X) g3 M; V" {* V. [3 R - LDA Bullet_Y_Pos,X
% Z3 l) q* s2 S# m% k+ S3 _ - SBC Enemy_Y_Pos,Y1 j: n. p, M+ b" o. k4 Z( s
- BEQ Track_Enemy_Y_Equal
]: Z" i7 A( L# p0 M - BCS Track_Enemy_Y_Greater9 k7 W0 `+ F$ i- \' m. x" q8 ~
-
7 H7 _& U0 {- r$ H - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
" x% \1 Q, }: `8 F - CMP #$FC2 A( L" b+ |8 d7 u4 o" |; I* m7 Q8 U" k
- BCC L1_1
2 r3 x! _$ }8 I% z0 e) A - CMP #$FE
; k6 R9 z' X" S( M( I' x7 O6 D - BCC L1_2) D ~ j" W8 U6 z: a2 [ A
- LDA #$003 }% m' G& p! e% k7 s7 B
- STA Bullet_Y_Speed,X2 R" C! L/ G1 z5 M5 y( i4 c
- RTS6 K5 }$ v/ J& O! E% u" p6 J
- L1_1:
* Q2 D5 E1 E) v L' @7 U7 | - LDA Bullet_Type,X
5 ~# M( i# x9 @# L, K - AND #$0F, \9 {5 N7 s0 k
- TAY
) e( ?! Z3 e# o- Q( N: ` - LDA Bullet_Speed_Data,Y
2 {5 s2 B$ @ ~4 S; ?' P& r% a - STA Bullet_Y_Speed,X k) C" O$ a( x$ U2 }& A
- RTS G- T8 l5 ?3 d" i0 Z' E: B+ U
- & J0 y) D9 c/ c) {
- L1_2:
% D- l5 [7 l0 R+ W- J! s- f - STA Data_buffer3 A# X; t0 u3 |1 u
- LDA #$002 Q2 c( `$ V% ?
- STA Data_buffer; D6 r$ @- |8 R: U7 S
- LSR
6 k. Q' ~/ v- Y - STA Bullet_Y_Speed,X% t+ {1 ^5 r, }+ j
- RTS0 A/ E5 D8 B* A2 U# O, }& t
8 I# Y; A5 B7 c* F, h- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
* m4 I7 I, q" M3 q) D( {, \$ v - CMP #$04
- t4 ~' ?) l$ z) E+ d! t - BCS L2_1' e6 C) K7 L) h" b5 j- T( p
- CMP #$04( L/ `8 j) L. l
- BCS L2_2- N# ?& a1 ~) `4 w) g1 a
- LDA #$00) S& V9 ]! W) S" I8 t: m2 \( m, `
- STA Bullet_Y_Speed,X
4 n/ H( K! r1 `" ?: p& a X - RTS W$ c2 j7 R3 Y1 K# j! h
- + N+ [) S# ]' J- _3 Q
- L2_1:
3 [4 {1 o$ |( @$ G) z - LDA Bullet_Type,X- h. c/ C! ^; I& [
- AND #$0F
Z; I& j9 X$ _1 P" z2 | - TAY l; l2 J9 z4 K) L* z0 W* }
- LDA #$00
1 S# t5 t: C% @; V t z - SBC Bullet_Speed_Data,Y
& c& p9 _2 M* d9 T - STA Bullet_Y_Speed,X% i. e+ h* i& a+ }$ G# y- h
- RTS5 K n$ O* I1 G- E
-
) T. \8 Y* W& H4 _% Z" A - L2_2:* v& [+ Y. ^# }# p4 I5 K
- LSR
. p8 |5 I5 B3 N8 j" o/ M - STA Data_buffer& u2 i6 x, z1 J' v0 ?
- LDA #$00
4 _- n5 J2 V h6 M - SBC Data_buffer/ K9 A9 [- g5 |4 R9 Y. x n
- STA Bullet_Y_Speed,X+ o' C, f8 k+ f+ Q7 A7 q; U( t
- RTS
' o4 C2 p/ o( @- i. u - 7 J" F. Y: B d; W) r- k
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
6 Q0 U h+ l. W9 I& v! ]( y+ O - LDA #$00
8 u# G/ B# T) i( n - STA Bullet_Y_Speed,X
: H. h' _: Q' E- s - RTS7 t. b: f! g6 M. s: L8 \; u
-
% G& ?* ]+ s* c* @; A9 Z0 F - Track_Enemy_X:: E, k8 a. D1 }) }
- SEC9 O3 U, F# B6 h2 n/ E9 w/ v* L
- LDA Bullet_X_Pos,X
8 g8 P0 {6 M& Y. c/ ?1 x - SBC Enemy_X_Pos,Y8 c: h: ~- n# v+ h2 v, m3 ?: K
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
. u! A. X* d/ y! f& ~* a' [ - BCS Track_Enemy_X_Greater ;子弹在敌人下方
4 S# A, R. [7 ]# i2 A3 W -
}" ^; B( E; A, W9 J! C - Track_Enemy_X_Less: ;子弹X < 敌人X" X" u% _; E1 W+ M! q
- CMP #$FC
8 z1 @3 L& u7 ]0 W. D; r2 w5 r - BCC L3_1
) ]5 l& K0 c; m+ \0 j. U5 C% w; O+ ` - CMP #$FE1 E, X$ K& }7 d; r
- BCC L3_2$ Y, F. L" L' K+ D
- LDA #$00
) A3 h( n# V5 w; y) `: M - STA Bullet_X_Speed,X5 P, a- D/ a+ ^& ~
- RTS
2 h9 {9 z* i( w1 y - L3_1: + [3 V) d. W5 b6 w( [
- LDA Bullet_Type,X: Q2 a) Y! e% A( o/ C$ Z
- AND #$0F; `1 U" l9 B# e) a- A. K
- TAY, n: p V7 d- a+ @& n& F
- LDA Bullet_Speed_Data,Y% e0 e0 B4 ~8 ?$ h
- STA Bullet_X_Speed,X+ Y- f' @* D! Z1 N3 S0 l- ~1 _
- RTS
" J- \; d) \8 H P$ t9 K# x - L3_2: 6 N+ S& p. {; G1 A
- STA Data_buffer% N8 h$ G- c1 {* q/ E+ j C
- LDA #$001 T+ \6 T1 U3 u* I& z9 O4 N1 L
- STA Data_buffer
- g1 \% j7 n9 ~2 K6 _8 n - LSR8 X$ y/ f6 L4 J( f1 `
- STA Bullet_X_Speed,X* | M8 S0 A" t; I: y
- RTS
! O# @6 y4 Z' `8 t* Z -
% s) U P n0 r9 G9 z4 Y$ @ - Track_Enemy_X_Greater: ;子弹X > 敌人X6 t' g. S5 ^* z% U$ W) H P6 ~7 L
- CMP #$044 Z& {9 f. @6 `9 S4 V: ]
- BCS L4_1; {9 R: I. g; H5 e* w
- CMP #$02
6 U8 n4 M m1 ~+ j; V) W - BCS L4_2
9 W. n/ T2 V; ^$ g7 H7 p - LDA #$00
) t7 e& J9 l4 F - STA Bullet_X_Speed,X; {. P% ]+ B+ |0 m; C
- RTS
- j" {7 C% [6 Z. D. S* a: @ - 4 C% @# C6 t' u) i" }; A5 }$ x
- L4_1: 5 l; y0 b2 T$ P, g0 P D
- LDA Bullet_Type,X0 L. G# W$ I/ e. B u+ e
- AND #$0F& w7 l0 @3 H s# y) h
- TAY0 q2 A$ P# b4 T3 t
- LDA #$00
( w4 C$ R3 ~. b* Z ], `/ s% K - SBC Bullet_Speed_Data,Y7 K0 n% o4 D* G& u# w: V" D
- STA Bullet_X_Speed,X
+ R5 {2 J6 e' W$ n# u" Y9 Z9 r/ n9 B - RTS- \2 Q# K9 w; E# e- o
- L4_2:
) d4 m" o k4 I3 `! I2 i7 x - LSR! u4 w$ j( W6 I
- STA Data_buffer' m8 `# Q. u7 L4 U0 C
- LDA #$00
6 d' Q3 z5 ]9 s - SBC Data_buffer
( K3 A3 U! ?1 w4 _8 r - STA Bullet_X_Speed,X
- l# p: E" r( ^) s8 @ - RTS
2 Q* X8 Q$ _# Y9 T& k - " ?9 w1 A3 A, y" n/ f
- Track_Enemy_X_Equal: ;子弹X == 敌人X
2 ` F3 Z. N$ w0 F - LDA #$00
' O, m6 M9 i6 C' V - STA Bullet_X_Speed,X2 S* ^" }" c0 a' A1 n) W
- RTS
( z% {8 J; O& V& e2 { -
' b0 f9 N" m R6 r: q% m. x - Bullet_Speed_Data:
' u6 k- ] X: D4 Y. [, q( b - .DB $00,$03,$03,$02,$03,$03
) x/ x1 h& _' ^2 k4 x5 r+ ~ -
; X, M- z% K$ ? - ;2, 4关
% I1 F J$ D2 }, P' N; o - Track_Enemy_Ex:
8 H2 L- n% ]1 I- t - LDX #$0F
2 C3 m( k" O' i$ F1 ]& Z - Track_Enemy_Ex_Begin:+ Z, \' Q3 D _ n. A
- 8 i- J/ o4 a8 T. [ ^
- LDA Bullet_State,X
- Y# O+ K6 {3 L0 e: d - CMP #$01
4 _3 @. c' b! Y: E" p - BNE Track_Enemy_Ex_Continue0 k2 S# k5 F3 l( J
-
3 j: {) H# i8 F% [8 a* n - LDA Track_Enemy_Index,X o5 m; y2 X+ h' B( k3 ^6 q# w
- CMP Enemy_Index0 B' n( w' O$ m3 p
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
' F/ X% D4 y' `- x4 ^: I, R1 u: E - : N3 l! x2 R6 g [8 H$ F
- LDY Enemy_Index! a6 Q$ {, F1 p1 X: X2 t6 K
- JSR Track_Enemy_Ex_X
! X" y5 R- d, F7 t1 Y - - S2 Y; t" y$ u( I
- Track_Enemy_Ex_Continue:
5 y# g( w* d) F9 ?9 q( x: u - DEX
9 r6 f5 t2 Z/ M+ `5 M. K - BPL Track_Enemy_Ex_Begin4 m: O/ m5 @& x; F" n$ O/ o
- Track_Enemy_Ex_End:
3 p- l5 X+ E. z5 a - RTS$ b* V* v; Q2 @% L
-
: t8 O% N; T( Y" v - Track_Enemy_Ex_X:
9 h" g; d9 R( a8 ?' g - ;LDA Bullet_Z_Pos,X3 F$ M! x4 D, z
- ;CMP #$04
0 @6 p4 J, c7 e7 F - ;BCC Track_Enemy_Ex_X_End
0 \6 s, t+ l: R( Z: U: |7 f - SEC
/ Z Z6 \0 f( f - LDA Bullet_X_Pos,X
0 N+ X+ _, h. `9 ~' ^: R - SBC Enemy_X_Pos,Y( J5 R. x1 D: e0 q
- BCS Track_Enemy_Ex_X_Greater! [# i4 Z; B+ g( [
-
' T* x* X. m1 q- f - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
! `' ?* y5 ]! V8 K$ G - CMP #$FD
$ j8 L% V- R* d3 R - BCS Track_Enemy_Ex_X_Less_End$ c; a) U) \9 P, [$ b# `7 j
- LDA $6020,X' H! D9 d p5 T
- CMP #$2A
- K; z; ^) n' W/ L - BEQ Track_Enemy_Ex_X_Less_L1
% C0 `8 m9 W( {3 ^2 Z; Q1 B - LDA Bullet_Z_Pos,X* U; g8 M6 f3 e/ ]3 I0 \4 G
- LSR' @" e: \: b, G7 t: a
- TAY C1 o0 o, k' }% V9 O# d! T
- LDA Bullet_Speed_Data_Ex_R,Y
- \' j- A; ]! c _" s - STA Bullet_X_Speed,X# |" M M6 `1 M% r7 z
- RTS# `) n/ \! N y( u% X% z: E8 o
- Track_Enemy_Ex_X_Less_L1:
. c+ ~5 @! i( D0 l' E
6 i0 X8 o2 V: S: O; V) Z- LDA Bullet_Z_Pos,X
3 _; e: f# }0 o - LSR
* y5 o" q' d% Y4 y4 i g' o# N - LSR
) F" R% Q1 |! }2 i4 c - TAY
* B6 C" i' E- s! v- ] - LDA Bullet_Speed_Data_Ex,Y
5 H7 S- H% A8 {4 }+ _! ~2 c; b - STA Bullet_X_Speed,X6 X9 t5 M+ b5 @: |6 t, H0 o n
- RTS) j* c: s q b( |0 ~0 f
- . m/ z; p/ g9 G$ d5 p8 q3 v
- Track_Enemy_Ex_X_Less_End:& g" U( [; R0 K6 J# V9 o
- RTS5 O# k: d ~5 \, \* f. |9 s
1 n! h1 Z* E" L+ Z" ?- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
" w i0 s1 @& f. z! ~ - CMP #$03
& a1 t% i O! |3 P! u - BCC Track_Enemy_Ex_X_End1 y& @4 ]; ~2 [% h. r& Q. a
- LDA $6020,X
$ r& y5 t" Y1 C7 |8 i - CMP #$2A
, @+ C |1 i# r: k: v. P - BEQ Track_Enemy_Ex_X_Greater_L1
% q8 n1 m$ |6 P/ h9 a8 E6 P% c - LDA Bullet_Z_Pos,X
4 k5 u: x0 _) j - LSR
4 |6 m0 W4 h2 N* b% b6 B - TAY, F; Z/ W9 C& E1 a g
- LDA #$00 z' x% o' @( [/ k0 ]# _
- SEC n6 A3 o( H, s6 M3 k: m
- SBC Bullet_Speed_Data_Ex_R,Y
9 N2 h% y- _. k* b+ L' w H* W - STA Bullet_X_Speed,X
2 P5 E. X$ Z9 `. P - RTS+ N2 y+ w( Z6 w! v+ P9 M
- 2 Q# ]* Q" D5 j* p
- Track_Enemy_Ex_X_Greater_L1
. Q6 P) c: R2 o0 ]2 w - LDA Bullet_Z_Pos,X
0 X- P8 s" i& ~0 L0 t$ G) w; v! [ - LSR
8 w$ {% z6 C" W2 g5 Q c - LSR8 x# b% u/ m. \3 k& V% n* L$ t
- TAY# U8 J0 V! g6 E5 X, T" s O' J9 J. b3 I
- LDA #$009 B& I* P$ c' H4 s0 s
- SEC
# w- P2 J' u1 d) u$ j - SBC Bullet_Speed_Data_Ex,Y+ E: u1 q) t1 r. ?7 n3 v/ D
- STA Bullet_X_Speed,X( v7 Z' C- e" D$ w) W
- RTS
1 `+ {1 b8 _7 K6 |7 Z -
; H$ P3 ~5 Y, D C* Q - Track_Enemy_Ex_X_End:+ J( y/ N" Q' S6 P# e- b' A
- RTS; n t2 v- I8 i
- / t4 O; K2 ~ v& i, Q& K4 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)
3 i+ O5 @0 H2 Y0 v0 d0 s+ | - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
1 K% I1 t, {5 b1 G - Bullet_Tract_Direction:
; O, C0 \3 X" B4 q - LDA Bullet_Icon,X! V1 Z, K* `9 Y+ b6 Z. Z
- CMP #$23
& r; O: g% |; z( x1 f) Y6 v6 ~7 K' @ - BCC Bullet_Tract_Direction_End
: g8 c' q A/ W4 j z1 [ -
/ j8 p. D% M& q- @ - ; X != 0
+ j% ~ q# ]5 b, J Y* t# F - LDA Bullet_X_Speed,X# v7 k' s3 B% _5 m
- BEQ Bullet_Direction_V: d" p$ O" i" T1 E T0 g- y0 ~+ M
- o2 S4 d. P5 ?; P! R% Q+ G
- LDA Bullet_Y_Speed,X% e1 P4 ?, m: S; |2 g
- BEQ Bullet_Direction_H
: x) R! y9 u2 |: | - 5 |* A& q. r; [' p$ g
- LDA Bullet_X_Speed,X6 q* s z" d/ G* W& l/ o; }
- BPL Bullet_Tract_Direction_Right
& v+ t, F! x( G% U: L" D' j+ x7 T+ ] - Bullet_Tract_Direction_Left:0 {2 x8 D" L3 {0 G) Z
- LDA Bullet_Y_Speed,X& b& f' V a+ I0 i9 E8 d' S: D
- BMI Bullet_Direction_Left_Top
- \6 | q7 e5 c q2 l( \+ j3 u! c - BPL Bullet_Direction_Left_Down1 R2 a# k" Q% Q
- Bullet_Tract_Direction_Right:
8 f0 L' x" x6 z% Q7 F3 A, Y U$ }5 o - LDA Bullet_Y_Speed,X! e. ~7 t$ C/ @
- BMI Bullet_Direction_Right_Top
' J! }; _9 u4 o! r2 a2 L+ T# ~ - BPL Bullet_Direction_Right_Down m$ ^: ?; m6 K# t7 K3 [. C
- Bullet_Tract_Direction_End:
W7 E+ f5 C" b - RTS
4 Z$ l) A! ]; l9 H' W% a$ R - 0 O" y; h7 P# D7 j6 p& Y! Z
- Bullet_Direction_Left_Top:2 L. D. J7 f' ^9 s7 a
- LDA #$25& W3 b8 N/ p8 I/ v; F( W8 [
- STA Bullet_Icon,X
6 r" q4 K/ ^9 v3 } J* a - LDA #$C07 d3 o' z T. x( p. u( d
- STA Bullet_Direction,X
( ~/ E" E5 A* B, H - RTS- R6 X. c+ X# r: I' s: J
1 \$ A6 @+ ]5 L {/ [; u' C- Bullet_Direction_Left_Down: @& |( j5 M q6 n1 p/ N* b/ @
- LDA #$25
6 q5 O, E0 N# T1 x. ?' H - STA Bullet_Icon,X
6 h) t8 _6 C6 ]2 e% U- i- c, f - LDA #$403 T9 B ^! c" ^7 ]/ i* f# ]8 X
- STA Bullet_Direction,X: _) }$ I1 M# T: y
- RTS
, q$ n+ J& V; N# s8 F! s/ m$ f0 W2 s7 e
9 W/ x r, F7 s3 @, b# M5 J8 Q- Bullet_Direction_Right_Top:0 N' ?8 `/ b* r' \, q5 Y ^: ]
- LDA #$250 g5 S. |6 }% P \2 p* {
- STA Bullet_Icon,X
; r3 ?% E/ @7 t0 |/ R; c" e - LDA #$805 z% h. N) N( j$ ]# O4 [
- STA Bullet_Direction,X
# q0 V% n7 ?0 k! }4 [ - RTS. w# c: M+ \( R: Z
" L# l: i g) I5 y8 w- Bullet_Direction_Right_Down:
& l* e& W1 ?* G' H3 I z' x7 V - LDA #$25
" b& A0 p, }" Q6 V - STA Bullet_Icon,X
& b# R% @/ |: P( ~& { - LDA #$00" t: |9 n% u4 Z# ]) n' A J
- STA Bullet_Direction,X0 \4 z4 ?& l' T
- RTS
: n/ L! d" W+ o( i* Z - 8 _4 p$ }6 n+ h! `4 K/ s
- Bullet_Direction_H:
% x; u# N# y4 }: R, L8 b+ o4 i - LDA #$24
" x2 F% M% |& I( A/ X. O8 d* O6 g - STA Bullet_Icon,X
. O6 L6 l0 b3 E7 ]+ J - LDA #$00
' ?. K( m, ?& K# @& r% w - STA Bullet_Direction,X/ P( @ d F# r3 E" C$ c
- RTS3 I) U* }. z7 @- F& T. c7 A
- . C+ ~4 s1 u5 s
- Bullet_Direction_V:& \9 x) y0 U* X' t- q* O# h
- LDA #$23' v- m( f" m0 T% B9 p0 n$ a0 l1 T' i: s
- STA Bullet_Icon,X
: ]4 A& r' f8 H8 d3 B& e - LDA #$00
4 P" T3 K$ _$ H8 C: G$ F" b- j* b - STA Bullet_Direction,X
: s+ ] V8 t* N' d* G4 B& x" C6 k - RTS
# Z U" N; i( Y
+ t- D' d; l2 f/ h$ I% n- Bullet_Speed_Data_Ex:8 g" a# ^8 ]+ [% i
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
/ h/ t: q! I% l! V - 3 m" G7 _2 }7 r( {# Y2 C+ A& G0 T
- Bullet_Speed_Data_Ex_R:; _/ Y& { }! J- a/ b
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$080 J: ^* @! ]" \# y' p K
-
复制代码
$ ~. W! e2 P, Z9 l/ h6 r, \. m# w2 p! y7 _9 ]: c$ I! f" E
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