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[FC][魂斗罗][J][追踪弹]7 ~8 q" n$ A$ S3 }7 [
3 b' @5 a- }) q/ J时间:2023.04.301 ^0 L1 {& P* G5 p
作者:FlameCyclone
3 ~ D! c* O3 D$ x$ X内容:
5 @# p% k( W( t8 J 1. 所有子弹追踪敌人
% v N* W3 T( I4 Z/ @+ k 2. 选择键切换武器4 |% b) W) z+ D: u; n3 G- _
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
) R7 L9 P/ L2 \3 p# \& b% x e& t6 M% d+ o& v
flamecyclone.ys168.com0 f$ x+ l" u i; |

' W$ A. a$ S: a% y% m6 U% B3 F- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
, n- I& w# w: R# [0 v - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L& m( ~1 o( ~* ~. y* M; g( }) h
- 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)8 N' f" k9 f! j; h: O, Y' o+ X
- 9 q# x; W. f( B6 m1 @4 P' Y
- ;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 m% ~9 C9 | a
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
- ^* @9 B) [: X9 I7 s
- R- o$ x& A! `+ d- Track_Enemy_Index = $6000
* [$ [1 i- R) U$ S2 o$ p - Enemy_Index_Begin = $6010
5 [4 q9 ~% z3 @- e - Enemy_Index_End = $60118 r5 y3 Q$ E5 o' M
0 F* w3 H8 H* `& A1 j, r- Loop_Index_I = $6012( U) M) U5 f6 a( B- f
- Loop_Index_J = $6013: u9 u9 P* ^; q: S
- nEnemyIndex = $6014
1 R* N# ~6 \) W N" _5 U, F7 d( t - Data_buffer = $6015
$ Y% @. Q I! } - " L9 J- g6 g T; @
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标4 Y8 r% t g6 g2 w6 s! g7 |3 S
- Bullet_X_Pos = $03C8 ;子弹水平坐标
. Y% K# t3 ?. h3 w" d2 l" O( C. q" u - Bullet_Y_Speed = $03F8 ;子弹垂直速度
8 c8 Y& k7 P7 y9 B - Bullet_X_Speed = $0408 ;子弹水平速度
, d; q) I. S. r- g - Bullet_Z_Pos = $0418 ;子弹Z坐标
0 m& a i$ L# R* w2 g/ ^ - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
9 k: {; R: s" t' @& c$ x
4 L8 T m/ l4 u0 e9 l- 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 S" b8 G' z7 ?
- Enemy_Blood = $0598 ;敌人血量9 x3 h& ?% g. |: R' p
- Enemy_Type_Addr = $0528 ;敌人类型
4 B7 v1 Z- o4 Q - Enemy_Blood_Addr = $0578 ;敌人血量
' ^7 Z" h+ p- l- |; r - Enemy_Y_Pos = $0324 ;敌人垂直坐标) o# K0 e/ m; e: N' {$ H
- Enemy_X_Pos = $033E ;敌人水平坐标
/ l: \' l3 S" l - Enemy_Y_Speed = $04E8 ;敌人垂直速度/ R* d4 A5 C+ W* E4 o7 M, S) 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
# a- N8 U4 _& o( e1 |2 W( u - % o) Z; s4 D* p* S
- Enemy_Index = $83 ;
# k/ b! g, g. a; p' Y1 q; f - Time_Count = $1A
/ r0 m# O Z. V1 C* T ]* @: ]* ? - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率* z0 J3 c, q8 F: L
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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5 c9 c1 L2 I; H% i$ A, S- R$ ~0 r
" B2 N+ h6 h6 \1 k5 Y1 g, l- .ORG $6100
8 }" t! J: s+ {, i0 r' S5 O( h - Process_Begin:
A9 y9 u# u8 G6 O \, \7 L - JSR Enemy_Check
7 T; o5 X3 k& I3 N7 K - JSR Track_Enemy_Check* _+ J* U! r# ?4 x6 e0 S
- Process_End:5 Q$ M* Y1 h9 B& g l
- JMP $E54F4 n+ \5 |$ E4 ~6 d% `# A! ]1 J
' C4 U% s8 r1 [& {+ Z- Enemy_Check:2 d7 e% w0 b9 A9 g; g0 N
- LDA Time_Count6 k* Q6 G. Z2 w" a7 ~0 X
- AND #Track_Bullet_Speed# `3 @ `9 R, d9 @2 D5 o
- CMP #Track_Bullet_Speed+ D+ x* Q1 {* ~3 `* T5 g
- BNE Enemy_Check_End: I* H3 H& j. K5 t! }1 F2 L
- LDX #$0F
o" q5 S$ r; W4 T7 r* d/ B - Enemy_Check_Begin:
! f# t @# d; u; X - LDA Enemy_State,X% A: M4 h8 s1 N2 x% L
- BEQ Enemy_Check_Continue
5 d B+ f- v9 m$ i3 o1 h# } - STX Enemy_Index
- ~% _5 g& s( Z- f8 y0 u# | - JSR Find_Begin_Enemy
+ ?% w" \# [! ~' l5 k# b; ` - JSR Find_End_Enemy: E/ j+ `; c: Q9 ~7 b# w) \( m
- JSR Bullet_Track
8 b1 B' |8 w. }! X: B - # A$ o" Z5 P1 c' w' H R
- LDX Enemy_Index+ Q5 @( t1 g, C; Z4 w
- Enemy_Check_Continue:
, |* e% G9 R, P5 r+ o& J- K+ C5 J - DEX
" X% z& \! s! I& z- @2 s - BPL Enemy_Check_Begin
3 P; {, h$ H$ N3 A8 q% }6 D2 b1 k - Enemy_Check_End:5 E' S7 p5 S4 p; U1 z
- RTS1 N1 f* U' ^& E- {: T$ B
-
t4 F# M' {6 _8 p4 Z! r1 ] f% t - Track_Enemy_Check:8 ?& Z& P/ N7 U& U! \' L( r5 V3 M
- LDA Time_Count% f' p, O" T' a3 R+ j+ {3 F
- AND #Track_Enemy_Speed
' U# [' U& S, e' w! S0 L( D) h - CMP #Track_Enemy_Speed
! x' t4 c) ~8 p5 e' X4 I - BNE Track_Enemy_Check_End; ^0 v& t( t8 J; O6 z
- LDX #$0F5 h, |: F6 K- o2 y" s
- Track_Enemy_Check_Begin:# `! H, f: P) _* W3 q; ?" ^; A
- LDA Enemy_State,X: g& A# m; E2 A, C8 D
- BEQ Track_Enemy_Check_Continue9 s7 |' `% n0 V( B4 Y5 o# o& L7 Z
- STX Enemy_Index
6 U- f9 |" }9 `) S1 X4 d - ) u1 E# X7 o" t
- LDA $400 Y% M, C- J4 J8 \- ?' R! h s
- LSR
* C. p x) F9 D! z - BCC Track_Enemy_Check_Begin_L1
0 r: P4 t! ~+ d) N* H3 Z -
: s ]- y0 m& p; w! y$ H J v: H - JSR Track_Enemy_Ex ;2, 4
: L) d% z# ~" l! P5 B- B - LDA #$00% q7 [6 |: b d. H# z
- BEQ Track_Enemy_Check_Begin_L2, O, T2 P1 v: ]' S! B" F
-
' ^1 e* f# u: g& v( B; l - Track_Enemy_Check_Begin_L1:
2 G6 _, ^' z* }/ y+ ]4 J - * b4 A7 w/ c# {9 G0 c8 W
- JSR Track_Enemy
6 K1 ~$ {+ `5 k: n2 L$ ?" R
) T( n1 Z# t* e8 C( l3 _- Track_Enemy_Check_Begin_L2:6 ]+ ?4 `% z8 F5 f7 X
-
- x0 r8 V6 H% p& f5 n, G - LDX Enemy_Index
; e; ~4 K! A6 I I% A4 Y - Track_Enemy_Check_Continue:
: w; `1 l$ K7 ?1 P" e) G - DEX
7 H' |# L$ J: `7 y7 }. u - BPL Track_Enemy_Check_Begin
) L" i! W* \- o- L3 Z+ P - Track_Enemy_Check_End:
. j7 t: u) ] {6 Y4 q - RTS
. T, _; S3 f' W/ Y5 a+ t( D# u - 7 U% \; U( |9 z; e
- 1 M3 i2 t8 o, o7 u, X
- ;查找第一个敌人
, W$ E7 b. D) j3 Y7 v4 Y6 }' e( j0 h - Find_Begin_Enemy:
5 x5 R7 \$ x( [$ M7 u - LDX #$00
+ i" Z H3 t0 H5 B, R& p - Find_Begin_Enemy_Check:
6 w2 V$ _- P+ i& T0 [0 d5 u5 h - LDA Enemy_State,X
3 r+ u* R, X& I8 g - BEQ Find_Begin_Enemy_Check_Continue- S0 }1 [# b% v* G
- LDA Enemy_Blood,X
$ h2 f& U0 z' o6 C. d3 W - BMI Find_Begin_Enemy_Check_Continue
. d! B9 `2 ^; R; _ - BNE Find_Begin_Enemy_End, x% Y0 w* J' K ]" A3 o0 m
- # Y' e7 P9 i, u, h
- Find_Begin_Enemy_Check_Continue:% |. F/ Y, Q& |5 H6 Z6 p
- INX
5 }+ M% J e5 L X - CPX #$105 ?, c* I: F( ?( Z8 ?' y
- BCC Find_Begin_Enemy_Check) T) d Z1 X) P& r/ o
- Find_Begin_Enemy_End:
! E3 J3 }; p' _* L" j - STX Enemy_Index_Begin
; Q! J+ _% F6 O# Y0 L - RTS% q. n1 n! O2 R3 r/ o- S
# D9 Q5 B) d }6 h& d! M" `- ;查找最后一个敌人' }7 f; x6 A2 T
- Find_End_Enemy:
! [' Z4 ^+ B& _: Z$ Y8 M" n9 P7 X/ O - LDX #$0F
( i7 G/ F0 D$ K+ V9 J. |$ c - Find_End_Enemy_Check:
2 P# R/ ]+ o0 f( m - LDA Enemy_State,X
# a6 c1 w8 C$ {# E8 X! x8 O( Y - BEQ Find_End_Enemy_Check_Continue
: v( L4 c; @6 T/ X' a( u' c - LDA Enemy_Blood,X
/ S" ^, r- ^. _2 ?/ }/ h* s' H - BMI Find_End_Enemy_Check_Continue
1 n4 f: I+ [9 G( \5 K; e, M3 H - BNE Find_End_Enemy_End: c; ?6 [1 ?& I8 R4 c# ~1 d
-
7 H6 y! T3 _; e9 h9 q2 H - Find_End_Enemy_Check_Continue:7 Z6 Y. Q/ R0 |& S
- DEX
8 ^/ t Z# ~( y$ R& U5 w2 | - BPL Find_End_Enemy_Check p1 j% X+ ]: J, ]
- Find_End_Enemy_End:+ D& t* N+ F2 L; s# u9 t" Q
- STX Enemy_Index_End
& a, a$ r* a- W/ n) m - RTS
% p/ B7 E0 {$ A, g; C
2 ?9 Z2 Y; f6 [* Q; t5 ?; j- ;子弹追踪! v- L4 i! ^! b2 g9 P7 r
- Bullet_Track:
9 J7 ?9 `$ f$ I - LDA Enemy_Index_Begin
. R2 |' f& K* i+ ~ - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
0 P7 ]/ } c3 P& g" b( p6 P) K% G - LDX #$00 1 m' o" G+ p7 c! C$ A- i( I7 j
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
% _; M# c1 S0 | P0 j2 N' l8 w5 L - LDA Bullet_State,X0 n8 P- `/ P( [( A6 u' E# a
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;* N# g% E5 i: k- X& @8 A
- STX Loop_Index_I
& W1 V, V; n: K, V L -
' Q7 R% v- P+ `/ g! O - JSR Bullet_Track_Enemy9 V6 c% ^. f& @; r
- JSR Bullet_Tract_Direction
. G! G# ~6 i: n( J {; K! U8 Q - ! `; T1 M( }. f1 w) Y! A8 O& q
- ;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
' m* `2 z$ X' q* P5 G5 U& W* f - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
; a* T7 g9 t$ R& v: n# }# X - LDA nEnemyIndex
/ L4 U6 x9 U+ L8 m - CMP Enemy_Index_End
\% v+ S( C7 n: V! k' N5 N - BEQ Bullet_Track_Check_Continue1 q6 C7 F' d( G, D! }
- BCC Bullet_Track_Check_Continue
, @7 x9 i$ Y# }4 L7 c. K3 m - LDA Enemy_Index_Begin, t5 ^, V- Z" [/ a/ `* L; b4 ?
- STA nEnemyIndex
$ b% a& r6 H5 Q4 Z$ a8 Y - * T; [7 d5 E4 i+ B
- Bullet_Track_Check_Continue:6 N" R, N |6 ?, w/ h- q
- LDX Loop_Index_I
8 v( Y+ L4 S0 a' h/ K - Bullet_Track_Check_End:, \% ]* |; O' i# p6 ]% X1 o3 W
- INX L% \2 G% c/ V; ]
- CPX #$106 N% K9 A( | Z/ V' V- ]
- BCC Bullet_Track_Check
. Y; P- d% g3 r( s: `1 D - Bullet_Track_End:* V. e8 Q- i+ l/ s8 L0 J, Y
- RTS
2 G1 v5 X8 c* y1 n( A -
2 j7 w7 P/ ]! f6 `" r7 S - ;给敌人分配子弹
8 q, J& a4 g+ W' r6 j/ ^ ]: L+ O7 t - Bullet_Track_Enemy:
$ E4 V8 g5 m' a, U0 s' E/ D+ V5 Q - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
, g$ b+ x! M' H, b0 y9 Z$ H& U2 j8 f - Bullet_Track_Enemy_Check:. T' o2 A8 S2 y5 \; Y0 x: f1 u3 k$ K7 f
- STX Loop_Index_J# t$ b- \$ O1 G% [& @
- 5 F4 Z+ a0 q& Y. N8 S; R
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
# Z6 m+ g- W# y. K& y. h - LDA Enemy_State,X7 c* L! l# a8 E* a: U! E
- BEQ Bullet_Track_Enemy_Check_Continue
: g8 w! r- p+ x5 r* K& F - LDA Enemy_Blood,X2 g. e+ V% `1 s3 ~+ L& r
- BMI Bullet_Track_Enemy_Check_Continue
7 j3 q+ N+ U* l) P -
; @: n2 N" M: V, E5 q, P - LDX Loop_Index_I) I" E5 l" p; x- r- J, W j
- LDA Track_Enemy_Index,X
+ j6 `# A% |' Y) i - CMP #$FF
0 x# l. t! y! G: | - BEQ Bullet_Track_Enemy_Init. ?2 L' Q) ?2 f7 G" y: Q/ i
-
% g8 ?% D: {7 R% X& Q' T$ ^ - Bullet_Track_Enemy_Init:6 L+ R. y9 _% q% s
- LDA Loop_Index_J
8 M( ?4 p" O7 e7 y - STA Track_Enemy_Index,X ;nTrack[i] = j;
8 n/ w% Z( P' r/ K' W( ?4 C( K" D -
6 l0 x1 b2 q! R* d& u - STA nEnemyIndex
; F0 n7 A0 S# c! S$ K& y - INC nEnemyIndex ;nEnemyIndex = j + 1;
0 t1 z5 R/ B5 S. w ` {: r0 ^ - RTS ;break;& ]5 W! r0 l8 U' }
& W1 W1 s. Q% ~1 I2 v2 B- Bullet_Track_Enemy_Check_Continue:
4 H2 I+ t/ M' {& E) h1 s2 U - LDX Loop_Index_J
0 n9 A. a& U. D - INX ;j++9 W. w% m9 o0 v+ Z2 e
- CPX Enemy_Index_End
$ Q+ N, p! A4 b) y% o - BEQ Bullet_Track_Enemy_Check0 J5 \+ X) C3 {1 @
- BCC Bullet_Track_Enemy_Check# |1 h) p% k/ ]- j M% V0 r
- Bullet_Track_Enemy_End:" [" {- W) f* {7 G
- RTS. h5 X& o- p$ Q
- ! P, y4 u |5 O( @; `5 {
- Track_Enemy:
) H% x8 c0 m% }# y - LDX #$0F
8 P( k6 j% e0 U% S* ^" Y2 T7 M% e - Track_Enemy_Begin:
& y# _$ j' w4 A) q6 ~9 y - LDA Bullet_Icon,X& O- f% |" @* {
- BEQ Track_Enemy_Continue
6 ^# J9 j# }" w - LDA Bullet_State,X
# L9 n* U' o) O0 O0 c3 l- Q - CMP #$01 O" V6 ~4 J% j
- BNE Track_Enemy_Continue
6 f$ z7 V2 G& F/ o# K - m- F& q4 @9 x0 s0 k" l% v- g
- JSR Track_Enemy_Process
* A: ^% f3 m/ I2 W; @ -
1 H& U) }, g" D- y - Track_Enemy_Continue:3 S3 f, f# c) e4 n7 \
- DEX
/ a8 g' X. z" ^2 _% W - BPL Track_Enemy_Begin! k3 z% A& |0 H6 r* @
- RTS
& W. h3 E1 }- G/ U/ _) {5 P - . x' H/ I8 m6 a2 v8 V
- ;普通关卡
. h( k$ E2 m1 `. N. B) v% K' G - Track_Enemy_Process:0 }; Y+ i2 T# H0 a, }1 z
- LDA Track_Enemy_Index,X/ G. }) z" W2 J3 A, ~
- CMP Enemy_Index
9 T, C( d: x9 L4 a5 |0 m6 a4 B- i - BNE Track_Enemy_End$ k9 ]# c* j% W6 Z) B4 G
- LDY Enemy_Index
+ v5 ], `& j* F8 @ - JSR Track_Enemy_Y
* i. {! E7 b$ @) B3 h. f9 O - LDY Enemy_Index& D) x/ ~% L. Y9 \9 p) ?3 W3 l
- JSR Track_Enemy_X# T! |0 d# s# V$ w
- Track_Enemy_End:. T! K9 }: M. c
- RTS
5 m7 u! z( ^# V& g, e4 M; J -
- g1 g2 Y+ D0 A - Track_Enemy_Y:4 ]- V- l8 ]- h. ~$ T' r
- SEC. S) n* O, R- [; j, E3 m9 V
- LDA Bullet_Y_Pos,X; r- t: D6 g% {5 l q3 h
- SBC Enemy_Y_Pos,Y
! Y4 K7 w* j" X: G4 z! X4 g - BEQ Track_Enemy_Y_Equal
) G* ~/ O/ } t6 U - BCS Track_Enemy_Y_Greater6 [4 H: j* B, f+ w/ l
-
- |: `6 M, Y1 s H2 l9 u8 R; Q - Track_Enemy_Y_Less: ;子弹Y < 敌人Y! O( F0 y( Y% W4 v' `# C
- CMP #$FC. d* Y1 o& J7 `8 f* @2 M
- BCC L1_1
; G- o0 \" C3 R ^- `9 n# d - CMP #$FE
6 @1 k% r5 |2 U+ t - BCC L1_2+ N5 B3 o5 p g l6 F
- LDA #$002 }- M4 k9 s4 u8 H0 W2 H
- STA Bullet_Y_Speed,X
( u/ r. _) s5 E" l0 ]9 K - RTS+ v3 C1 z8 s+ p: y) ?6 f( n
- L1_1:
+ g, ?% E5 j* _+ S/ N - LDA Bullet_Type,X" e" r1 D4 O0 L% u1 A1 a: y9 q
- AND #$0F5 `; B! U. {: J) L
- TAY" d1 ?2 ~% A7 ]" H8 }# E# I# w
- LDA Bullet_Speed_Data,Y
$ K$ D b8 ~6 D, Q, g6 W - STA Bullet_Y_Speed,X/ u+ D) J) ~! n! N2 R' g/ J/ q0 W9 m' n$ z
- RTS
5 _9 f2 J$ E" g5 E# l - $ R+ ?/ T2 E6 V+ z3 `
- L1_2:
) y& h1 @& {- C5 k* A3 g0 Z% [! w - STA Data_buffer4 d: S$ h' @7 [; \& t8 i$ R& c
- LDA #$00; o- u- r5 ^, L. s# z- k4 c
- STA Data_buffer6 v8 Y9 r- m7 ~) ]) h% I" H
- LSR
2 @; ]- A6 y) q1 ~ - STA Bullet_Y_Speed,X2 Q* R, N( H5 \
- RTS( o; e* W3 Z& u3 ]4 e
9 z P- {9 f8 R; `5 f0 c- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y# }' T2 k( D, D* f
- CMP #$04
# _1 k! }, m. o# \! s% v) } - BCS L2_1
: c( f$ e% f( n b/ P - CMP #$04
) p( J- r: U: W2 b: O' s1 O - BCS L2_25 S% g# z: a: P
- LDA #$00
U5 W( T+ ~: a2 M8 h$ `3 m4 N - STA Bullet_Y_Speed,X
( A {& F1 E. L" U% C - RTS. s% e9 O H$ \% v( E, X+ O
- 5 W, b/ n) `# @3 J3 H: e" ^- ?
- L2_1:+ w }% L- g6 a q; d4 v5 c
- LDA Bullet_Type,X4 x4 x% L6 x! _( `9 J
- AND #$0F' p# B# t6 G) F3 e' D
- TAY
! B1 h9 d9 n1 | - LDA #$003 M, H( b6 O) h5 G* U5 p
- SBC Bullet_Speed_Data,Y) `# {+ A/ r" X7 U1 t# W* Q
- STA Bullet_Y_Speed,X: k9 q1 v, t! c" u- |( ]
- RTS
, r: w; n( J+ s% T! \ -
[/ D' T% q) W4 H - L2_2:
; V9 M7 S$ m. r - LSR
4 Y8 M& T) t3 v# F- { - STA Data_buffer
# W- N1 I, f# d! O% A - LDA #$00
; w, G7 ^, H7 g2 s6 r8 D - SBC Data_buffer
1 R: J% Z# m8 i. k6 M6 b - STA Bullet_Y_Speed,X, @/ v) C: a* a$ v, C9 \
- RTS
* M, K* C( e: P- S - 2 E! B* B6 w4 O( X- l
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 l" c2 ?! k1 \0 J' f: E* K
- LDA #$001 t0 M$ y* A4 Q" C( z/ X
- STA Bullet_Y_Speed,X& O8 g$ I2 Y5 E7 S) W2 }* ?
- RTS
. {5 L+ T$ E2 K# H/ D8 B - % [7 b$ Y# H" J9 Z5 Y: x! q
- Track_Enemy_X:4 _& z+ L+ O( N
- SEC1 [. k2 R/ z; B) s, j' l
- LDA Bullet_X_Pos,X
7 d3 K: m+ U/ _: m' g5 a5 r - SBC Enemy_X_Pos,Y% j+ f5 \$ G' g0 L8 c1 d1 O/ I
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X& x' S! G1 D% G4 y
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
3 E: f0 b! G( j, w* j/ j - / b, K, ~: r) [# ~, h& P3 V
- Track_Enemy_X_Less: ;子弹X < 敌人X
8 z' L' T6 v: v - CMP #$FC
& w: E! l3 [* p. ~ k - BCC L3_1
4 N' W/ B+ v7 X; J* n* { - CMP #$FE2 {1 ~, V- l5 i5 r+ I$ f
- BCC L3_2
# O& W+ N" n( Q4 U: |1 l$ b" C - LDA #$00
: [) @' Y- W+ J% N. R4 X2 g/ _! I - STA Bullet_X_Speed,X% d' ]7 B0 o, R2 @
- RTS
) X* c' m6 I( i# C - L3_1: $ ?5 Y! K" P0 ?* q$ P* q
- LDA Bullet_Type,X; L M0 G7 h- A1 a$ T9 v
- AND #$0F! v% g5 v5 A2 ~. P8 G% J0 {
- TAY
4 j# X5 R' \* N, x - LDA Bullet_Speed_Data,Y
8 ~1 |* C7 z( C. Z8 L - STA Bullet_X_Speed,X2 z& g; I% w2 r3 H% x
- RTS
9 K- c5 R4 S$ s$ k$ ~ - L3_2: - c: o- S4 S9 Y" U& ~
- STA Data_buffer
& @! b/ f, t& a8 \ - LDA #$00- c- s9 X1 o6 { r3 G3 O
- STA Data_buffer- b d" S! _2 l( b8 S- n# |( ^4 O8 Z
- LSR
7 B* [7 l7 |! w - STA Bullet_X_Speed,X1 T" R2 J% i$ @7 F: k, \
- RTS
9 }% L R4 I# k0 t# j -
0 J+ @7 g0 E! F0 f - Track_Enemy_X_Greater: ;子弹X > 敌人X
5 S5 C+ ~3 @( ^% f% _ - CMP #$04" x* s- n! a: _: R: W2 K H
- BCS L4_1- Y6 U- Y7 h, m% B* w4 M) ?+ A
- CMP #$02
2 W2 J+ f$ \7 a, j- a4 H - BCS L4_2/ |/ k9 g: G! w7 c+ b
- LDA #$00
) l' v" O% b* r' N2 ]8 m - STA Bullet_X_Speed,X; @% G; x0 v1 R X" J7 X
- RTS1 @; U( {, g; J$ ]4 |
-
6 r! ` r6 `" Z4 u2 [ - L4_1:
$ m% e( k2 _" N, w) b) R, K' _ h - LDA Bullet_Type,X9 m" I# m5 b5 d/ ^/ }
- AND #$0F, f: [, f* y% _1 t/ R
- TAY. l" E/ p+ b3 O9 L) {7 w* M6 \
- LDA #$00
0 P% z8 B( p1 _& c* U) M - SBC Bullet_Speed_Data,Y5 t' i. Y# Z8 x! B# d- z
- STA Bullet_X_Speed,X9 D4 s+ g& h O6 J* D
- RTS
1 h. J- F+ x. e; y - L4_2:
- ] H M( u+ P: _% D - LSR* z; t a$ o# W6 ] p( i& K1 g
- STA Data_buffer6 `7 q0 C" q6 _9 L R
- LDA #$00
3 }5 k1 O! R5 G0 N - SBC Data_buffer
& }+ a- x' O. v7 F z& Q; u - STA Bullet_X_Speed,X! ~& ]: y0 N' e* B1 |) o6 L
- RTS
( y0 |( n. i; g4 k -
9 K: n' ^! h7 ^7 g - Track_Enemy_X_Equal: ;子弹X == 敌人X( a: {% b) @2 K
- LDA #$00
1 `: w3 R# g4 r$ G1 I' X- K - STA Bullet_X_Speed,X( e# @" S# p A+ B- |6 T4 C p
- RTS& ?3 Q. ^2 X$ c( v0 G4 i7 ~ D' b
- 6 o7 E% x4 b) V2 \' o
- Bullet_Speed_Data:/ a/ R* r3 u. [) A( T$ P# f- ]
- .DB $00,$03,$03,$02,$03,$03
. F" c9 `/ W$ [2 L1 w - # y$ b' p/ ? E, H
- ;2, 4关
Q+ n j$ b5 x; F j9 g/ K - Track_Enemy_Ex:
7 O6 X& w, U+ o! F7 ? - LDX #$0F# r( y% T" y0 D- i2 x! Y
- Track_Enemy_Ex_Begin:
& f4 O% Z$ H, l9 r4 e6 \7 d$ s7 \/ ] - / _ R! i0 s* ]( H8 F3 a9 Y" E
- LDA Bullet_State,X
& F! f+ ^- i s: z- w( m - CMP #$01
7 n1 \" b; }% R2 _+ y4 E6 K - BNE Track_Enemy_Ex_Continue# e3 ~: [4 Y- W) x Y7 d
- [7 b, c% P$ D
- LDA Track_Enemy_Index,X
+ @5 W4 _' U# z; N - CMP Enemy_Index- G" E" z( z& \$ M" E p% L2 y
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
' m" Z1 V7 w# ?9 A/ v+ `# ~) E -
! X# y6 y. @* h7 o8 c q( V - LDY Enemy_Index. ^$ g* q8 c& Z/ g ?
- JSR Track_Enemy_Ex_X
9 B% N1 P2 Y! P - ) M6 u/ r, J+ W) A- d* b- Y5 i
- Track_Enemy_Ex_Continue:& S- G/ M) d1 x B' q, R
- DEX3 n/ A8 A" V! E* r2 a# s
- BPL Track_Enemy_Ex_Begin
7 c) ]6 l+ P/ h% f2 F - Track_Enemy_Ex_End:8 y; D `6 I" _4 O
- RTS
2 [( n K; f! j+ N: p -
1 g: T: [! t1 ^1 I7 j( c - Track_Enemy_Ex_X:
2 }' E ]5 |3 h6 h. P5 Q5 C - ;LDA Bullet_Z_Pos,X
' @ i5 f; w3 ?( x/ H3 o - ;CMP #$04* n' }+ ]7 @1 c0 P/ V6 V$ S# o* G. U* N
- ;BCC Track_Enemy_Ex_X_End5 y! R2 D8 ]7 X. [1 T' I' G1 y. t
- SEC5 O6 n6 u0 y/ n% V3 l
- LDA Bullet_X_Pos,X! P+ r# V' E* {; t2 I
- SBC Enemy_X_Pos,Y1 {1 ]& k4 H$ \- f4 }2 X
- BCS Track_Enemy_Ex_X_Greater
! F* A2 l B2 [ - 4 a8 U( s, ?4 h1 {: a, [9 ~( W: E
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X6 E( u/ N; N6 i. H
- CMP #$FD+ e! R" }6 U o
- BCS Track_Enemy_Ex_X_Less_End
: [" n' W8 m, a1 ~( T4 k: g1 Q - LDA $6020,X
2 n, O( u" \# g9 M) d6 ^ - CMP #$2A2 F5 X# P" N! u% I5 D
- BEQ Track_Enemy_Ex_X_Less_L1* n8 {7 f2 P7 X/ ^1 v- N3 |
- LDA Bullet_Z_Pos,X
5 m& b. d7 J( w( \3 { o _ - LSR, o4 F: H8 C Y+ a) e# C1 f
- TAY
, ], [4 x9 q3 M4 I - LDA Bullet_Speed_Data_Ex_R,Y
/ d( C' W5 B6 _, n! a - STA Bullet_X_Speed,X" M& X7 B3 \& v0 V; |. `4 _4 B
- RTS
5 ]0 f0 T# G/ t, } - Track_Enemy_Ex_X_Less_L1:1 [. c' N I( W
; }) x1 i$ j! s1 N. W- LDA Bullet_Z_Pos,X
j" L, f B6 s C - LSR: i0 \1 b& H" S9 d$ ?3 _: l5 {
- LSR7 k/ y2 t2 I& {+ W
- TAY: N j9 r* \! I, J: m* G
- LDA Bullet_Speed_Data_Ex,Y
( A5 U0 s, O% P/ D- I - STA Bullet_X_Speed,X
5 b0 [4 C" U3 A4 U) O. ? - RTS) @; g0 _2 \: @; n& V" j
-
7 R0 G0 Z* b/ G - Track_Enemy_Ex_X_Less_End:
2 w1 l) n$ w" k. q# g) E7 ?) J - RTS/ ?( ? w; @8 E k" L1 g
- : Z5 i- v3 S( B( x2 @
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X3 B3 G; r0 m6 Q
- CMP #$03) V) B3 p* t7 j+ \ ]9 o
- BCC Track_Enemy_Ex_X_End' S" G5 R' H" F! {# t% X4 T5 ~; C
- LDA $6020,X
3 r! Y: }9 [8 i1 Q. a! e - CMP #$2A: s" A# q7 T* K/ y* S% v
- BEQ Track_Enemy_Ex_X_Greater_L1
) f. L. y3 c0 _' p6 F7 p: N - LDA Bullet_Z_Pos,X- R8 H- r$ v) k6 U; l& H; y% ^
- LSR: X; o6 ?; t( f3 `' e. V) m
- TAY
: n3 Z d; [ r+ ~7 e9 c - LDA #$00
9 q/ J9 F4 v: M4 }" U$ [ - SEC
M' H& [9 f7 J& y - SBC Bullet_Speed_Data_Ex_R,Y* D D( ~9 s; J3 [
- STA Bullet_X_Speed,X) z. K! m. c! c8 O, ^5 \
- RTS
: m' n: l7 ?( r Q! c" d - . z8 [) Y0 F4 _: u
- Track_Enemy_Ex_X_Greater_L1
/ d9 z$ c/ U; z: W6 i$ r W - LDA Bullet_Z_Pos,X
D- |/ z6 D: B4 @& A8 p - LSR
& \+ [' M7 S R3 ?0 W8 m2 i" h1 S - LSR
& q% G3 c7 X8 h - TAY
" b% p, f4 q# ]( R" B - LDA #$00
7 T, n6 Y1 S! U7 u - SEC: J6 D1 E9 i- _
- SBC Bullet_Speed_Data_Ex,Y
' C$ g* A- B' I5 Y6 x/ F, r - STA Bullet_X_Speed,X M5 X5 E( L' l
- RTS
" T- o: o) k1 P - # |% m$ n2 L ~
- Track_Enemy_Ex_X_End:
# [9 G, R# R/ G1 Z. T% t5 W - RTS% t9 _! m$ ^0 d, S
- 0 u" ~4 J7 r* Z m
- ;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)
7 x j- a3 u* l: u7 \ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
6 a! U* V3 L r3 t5 ~ - Bullet_Tract_Direction:
! m- t) Z. A, W H) ?0 r' K - LDA Bullet_Icon,X
$ ^4 b' ~1 j/ x! X( T8 c - CMP #$23/ K! v/ a ?7 A4 S
- BCC Bullet_Tract_Direction_End* T! o9 a1 |' H
-
5 ?3 K6 i3 |- K3 B8 g6 [ - ; X != 0- C& L E4 @/ d1 ^% t
- LDA Bullet_X_Speed,X( C9 y& \- ?2 u( {! S7 v
- BEQ Bullet_Direction_V$ P, \' p ~5 [ a7 ?( h
- 5 Z @7 d& k, P
- LDA Bullet_Y_Speed,X
* j8 m1 z/ m4 `( C- f% i - BEQ Bullet_Direction_H
% }" f* E4 V: |, t. K2 y. [& F -
! L3 V: X. a. e5 P - LDA Bullet_X_Speed,X- p! g. T' D0 N/ Z5 G# L
- BPL Bullet_Tract_Direction_Right
2 l6 ~0 w/ ]6 m% T7 v - Bullet_Tract_Direction_Left:$ H V" p' {5 e4 K; j$ P
- LDA Bullet_Y_Speed,X- t3 i* X- A' u1 ?7 o
- BMI Bullet_Direction_Left_Top
( O. F+ P2 v, K: o2 T b C - BPL Bullet_Direction_Left_Down
7 Q0 P9 ^% B* o: {- ]- c - Bullet_Tract_Direction_Right:0 W5 {) v- H8 ^# v' v8 ?
- LDA Bullet_Y_Speed,X4 D$ \$ V* n; H# p; B
- BMI Bullet_Direction_Right_Top
6 I1 V8 @' J. O9 O9 w - BPL Bullet_Direction_Right_Down
0 @- _2 Z/ H# T4 ]5 c - Bullet_Tract_Direction_End:
8 f8 o s: U6 g - RTS! |( v6 m, i4 O$ X) j% p \
- 1 M) x4 B9 O* v8 M. H) W
- Bullet_Direction_Left_Top:
j) W; R% C T4 B* v - LDA #$25 {' y' j" y$ i+ z# u4 J* V
- STA Bullet_Icon,X
6 P0 j0 h4 K. ~2 p: d' h7 W) { - LDA #$C0
" k; R' B" E1 o - STA Bullet_Direction,X
: ^$ Q( I+ Y2 W9 t- | - RTS; X* G3 U/ f/ s9 r' \: C
0 z7 r8 r) I2 z! y: C. F, p- Bullet_Direction_Left_Down:0 c& T5 f3 s5 I Y
- LDA #$25
/ k: V0 s8 z* _5 p8 F: u. R - STA Bullet_Icon,X
. ]$ T( \, l) [2 c - LDA #$40* q% N, s. J; a- v! V) I# V' G
- STA Bullet_Direction,X% F. }6 \. x$ z" i1 _
- RTS
* s1 C# C7 w* ?# K+ m( Q
& m4 s* c; X' k0 M5 G- Bullet_Direction_Right_Top:
* o( @3 O6 q- w' {/ Z6 ^# k2 \ - LDA #$25) g& Q; w' i" K, Q4 x
- STA Bullet_Icon,X4 `, V2 n; j6 t' L
- LDA #$80# }+ l/ \( F0 Z! T/ W: B- ]) P
- STA Bullet_Direction,X: h8 C: S! q1 v( _0 R5 |/ b6 e
- RTS
# _8 B2 g" D. f G
9 a4 o- ~3 I! R( ~6 Q2 c }- Bullet_Direction_Right_Down:3 O, P8 `5 S" n* d( l% q- b; R
- LDA #$25) |; R# A. O1 m7 ]
- STA Bullet_Icon,X# {7 y2 ]: I E3 b. u/ _6 j
- LDA #$00
, n- N f0 w& C; @+ p' Q& |1 r/ ^ - STA Bullet_Direction,X
( s/ M$ u: y, g - RTS
1 I, f( ^0 t9 y9 v% Y) D( \, F
; Q u* @. m5 o0 n6 D2 F- Bullet_Direction_H:
5 E/ w2 w! d) l - LDA #$24
8 S. w" W7 J/ g7 u+ g. I7 b3 g - STA Bullet_Icon,X
# P' | l! R: | - LDA #$004 L, D6 {' O2 i* H
- STA Bullet_Direction,X
" u# s/ b. V! W) J$ d3 t0 ~ - RTS
7 C4 a4 L r4 @( [5 \
1 m& v9 k$ n9 z- Bullet_Direction_V:; @! i( M0 h. g% x
- LDA #$23
$ m3 V; ^3 b. y1 ]) W$ Y - STA Bullet_Icon,X; Y- n; }( v8 U/ m) t
- LDA #$009 i+ Y' j; w) v# e2 F; N
- STA Bullet_Direction,X" B9 V1 B) [) k. w
- RTS
$ U p& c3 |/ _" m - 0 V8 _+ W; C/ `5 w
- Bullet_Speed_Data_Ex:
! z$ {6 L& G% u* m( ]; H1 E8 V - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04* q V( }; d3 C* J3 K9 f
-
* V& b* t7 `; b8 V) F4 {! _7 N x) _: g - Bullet_Speed_Data_Ex_R:
: z$ y7 u" p9 t* x: O1 b7 \' ]4 |9 B - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
, t, N2 T/ c5 d -
复制代码
- J6 h' c8 c9 Y# `6 I5 l; C, Q' n2 s3 u* u
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