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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
5 A7 }4 A# b ?' p: _' u1 c, X+ h4 [作者:FlameCyclone4 H8 c, ?/ A8 Y8 m+ s5 {
内容:
6 m, u) V" G2 y \! a 1. 所有子弹追踪敌人
7 T5 d$ K: g% C! g7 W6 W 2. 选择键切换武器& M5 v: K4 U J2 s/ {; ]! q
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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- n& W6 B- ^ V- W3 ?flamecyclone.ys168.com; G' g* A1 O( H: S; H6 Q

! l/ N; N! [0 U" x) x% K# m* T- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁' ]/ D/ r t6 d9 C0 |5 Z" u! F
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
% ~ F h) T; ^3 f' d3 E - 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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- ;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)# B( I' S& V' V
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
4 _( V2 i! c/ A" n. A8 |
3 e% a) k$ r* m4 X/ n, W; p- Track_Enemy_Index = $6000
6 t# E0 T# U, o! c% { - Enemy_Index_Begin = $6010
- L8 J( b! v8 H& c9 q: m - Enemy_Index_End = $60119 q/ c; j: U7 W% N/ g1 Q" x
* {' i# o- i; W$ `' v1 A" R- Loop_Index_I = $6012
3 ~ d q6 y* n+ D" h4 P& t - Loop_Index_J = $6013" d6 U& F0 W2 W* h( c& H1 I
- nEnemyIndex = $6014) a: N' \4 a4 h/ j0 X3 D) M6 u
- Data_buffer = $60153 j" Y* Q& V* i
- $ |! t1 ~8 V( s3 i) H# Y8 U
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
* F% e K& p- y. s& h' I6 n - Bullet_X_Pos = $03C8 ;子弹水平坐标
, ?1 w0 q# G* Q- T- ~ - Bullet_Y_Speed = $03F8 ;子弹垂直速度' @" G$ g& j f% Q
- Bullet_X_Speed = $0408 ;子弹水平速度. K' B+ T8 v" e( Y5 u
- Bullet_Z_Pos = $0418 ;子弹Z坐标
4 Q7 [, |6 _. a+ l9 f3 R; y - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
9 c( @ H! }1 v$ O9 u1 J
' E/ u8 `: X7 j- 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! Z1 L' |4 g+ X _! I. q; m& G; z
- Enemy_Blood = $0598 ;敌人血量3 @" Q0 U6 V+ u9 s8 g7 y/ N k
- Enemy_Type_Addr = $0528 ;敌人类型0 L# W4 A' a& K) {* W5 W* D* M
- Enemy_Blood_Addr = $0578 ;敌人血量3 H4 e7 R8 w L. I% l
- Enemy_Y_Pos = $0324 ;敌人垂直坐标' n8 Y$ D- k4 `1 |7 W
- Enemy_X_Pos = $033E ;敌人水平坐标0 q5 f& |4 V, c/ f
- Enemy_Y_Speed = $04E8 ;敌人垂直速度! C+ S2 M8 C# k( m$ }
- 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
) M! J, m5 u* N U* ?+ j+ Q3 w - 4 v8 l I8 {# N/ a# g) O. b a
- Enemy_Index = $83 ;, C1 e1 a# v2 t
- Time_Count = $1A; @5 M. i& W/ X9 \4 Z; C% y
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率( p5 Q! r7 `9 D( i0 i+ E8 u+ }/ m- G/ ^
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率0 s8 {2 {1 m* o8 s: M% x- Y
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! I1 H! }9 _1 `: e1 g$ x. J- .ORG $6100
4 ]5 p Y3 ~( q2 ^$ ` - Process_Begin:
1 p+ L1 {7 @6 X9 V6 }! }! F2 J - JSR Enemy_Check& M7 H4 D4 x I" w
- JSR Track_Enemy_Check- ]1 o$ N- u, ]' ~
- Process_End:
) x5 D6 `$ h* o3 Z0 d4 s; }1 [* X$ C; K - JMP $E54F3 Z! n: Q" y2 b7 d
8 B( {3 n/ F3 \- Enemy_Check:7 i0 w+ w( E0 `3 \+ Q% N6 f
- LDA Time_Count
6 Q' l* M U; d' r% y - AND #Track_Bullet_Speed
3 j ?, _$ x; h T( n - CMP #Track_Bullet_Speed
/ ~+ `# R! }! j. E; z - BNE Enemy_Check_End
* [0 @/ b6 V) j - LDX #$0F
: H9 Q0 h& E7 z! E - Enemy_Check_Begin:
7 O7 W. e, `$ P j - LDA Enemy_State,X& G: {3 Z/ b: }6 u$ R# [
- BEQ Enemy_Check_Continue
/ F' J" o, G5 C2 u6 ` - STX Enemy_Index
$ O0 e& K( [/ ^, Z - JSR Find_Begin_Enemy. F' u$ S# y! d! J H4 i
- JSR Find_End_Enemy7 o+ |8 b* E/ Z8 j ^4 T* p4 x
- JSR Bullet_Track
3 B3 ?8 e2 X$ ]7 r - 5 V" Y! _0 V! ?) T, O0 A
- LDX Enemy_Index& Q: @& Q* S0 c: J/ s( f: B) F
- Enemy_Check_Continue:
' i$ i* g D, c* m% q - DEX3 G5 ~2 O7 L) ^2 Q
- BPL Enemy_Check_Begin
6 J# C+ w5 u7 {9 r - Enemy_Check_End:# e, F" Q2 S- x
- RTS; D, i2 @% m0 [( e9 P
- , N; w- w1 }3 T( \* Y$ a7 z: G, l
- Track_Enemy_Check:! j0 a7 A7 r l7 T
- LDA Time_Count8 C. Z4 ~4 O8 d. S# l
- AND #Track_Enemy_Speed
- k8 X3 Y# x& o: [ - CMP #Track_Enemy_Speed8 ?& l, r% @6 g8 h7 ^( z
- BNE Track_Enemy_Check_End
( @0 A/ H8 B3 x' @& V - LDX #$0F
& _) G2 M2 v; r) ~5 k - Track_Enemy_Check_Begin:) U# ^% ~+ [) b( A. t& [! l+ i
- LDA Enemy_State,X
6 Z/ j- M6 ?! p2 r! `' @ - BEQ Track_Enemy_Check_Continue# I% ]* u% f# d3 W) M) W
- STX Enemy_Index+ i; O# [, D* Q3 d, x
- ) a% t4 o. k& X+ V9 ^
- LDA $40" s' x$ n& y; K) p$ U' ?
- LSR
5 q0 U/ {; Q/ ^5 @$ u9 I$ d - BCC Track_Enemy_Check_Begin_L1
4 h, _; A7 q! Y* ~ -
$ [/ I8 ~, V( j' l T, A- `7 r - JSR Track_Enemy_Ex ;2, 49 I3 {2 n5 W6 ?" Q8 N
- LDA #$00
, d- @5 w. H. _; J$ ^' c0 @ - BEQ Track_Enemy_Check_Begin_L21 r- v# K; O) c! S
-
0 [6 B. s& i* T - Track_Enemy_Check_Begin_L1:
: r' X% F9 U! u, N" x0 ^ - ) a, l+ ?4 B, O+ k i
- JSR Track_Enemy& M4 u3 a. i3 L# v7 g) }4 R- O# N( O
1 Y. }% l. \/ l# [8 @- Track_Enemy_Check_Begin_L2:; ~9 S& Q* t9 x8 C% w- B; ^: C
-
, Q. q& r4 f" M0 j- Z( _' g- A - LDX Enemy_Index. o" s% l) N6 A. K; X
- Track_Enemy_Check_Continue:- v! t. R2 M9 |% I: f
- DEX
: a7 m# Y$ @3 {6 [0 h: `+ e: D - BPL Track_Enemy_Check_Begin
4 d" J8 t; Y0 i8 j5 x# c8 K - Track_Enemy_Check_End:
+ y$ _( X1 U+ `% S4 l% j9 Z( H% x - RTS
( ^" q3 a( P! { - , R$ K6 R1 _% R( P' K1 z' f$ j) V
- & G: U. H5 J* g# r6 C, q
- ;查找第一个敌人! \' w$ P+ }. k# N- f- c
- Find_Begin_Enemy:5 [! Y4 A: |7 ?# Q2 _0 Y
- LDX #$00
4 }. p) q I6 b7 L, h+ z - Find_Begin_Enemy_Check:* Q: i; F1 J c8 D' S
- LDA Enemy_State,X
% F Z' ~. Z9 q5 a - BEQ Find_Begin_Enemy_Check_Continue; X+ E# C/ C- ~% k4 t6 |. A x/ ?
- LDA Enemy_Blood,X
+ ^% p2 n" E( C0 G% T9 K - BMI Find_Begin_Enemy_Check_Continue8 I& g3 H$ D2 s1 Y
- BNE Find_Begin_Enemy_End0 X) {' j/ K2 ?* T1 P0 i2 w
- 1 q( Z) D( y8 c4 U/ H# C3 ~% P
- Find_Begin_Enemy_Check_Continue:% n6 T' z" @1 p9 A/ A8 _' X) w8 W
- INX
1 `8 r0 n/ f3 X - CPX #$10
: b8 I) q5 L/ x7 S - BCC Find_Begin_Enemy_Check1 E" c$ X% e3 u
- Find_Begin_Enemy_End:
: M7 U, T4 P: n- F - STX Enemy_Index_Begin# u6 M$ ? o2 G6 j
- RTS6 O( _5 L& ~: f' F! O7 S4 {
2 i- m b% K* C/ a9 D- ;查找最后一个敌人) y0 C" G: r" k
- Find_End_Enemy:
* X( m- c- d' X# v1 n, S - LDX #$0F
3 @- ^& d; _7 X& v; A; F - Find_End_Enemy_Check:1 s+ ]2 h. H9 x# {# x
- LDA Enemy_State,X
4 D1 _- V4 H& D; ? - BEQ Find_End_Enemy_Check_Continue
! |8 R l5 A& _# ?! q) t0 U- u - LDA Enemy_Blood,X5 C2 C! |( I# l8 E
- BMI Find_End_Enemy_Check_Continue
9 q5 S$ y; v3 P" D% B3 B1 j, b$ _ - BNE Find_End_Enemy_End
" `, Q0 s" Z( d# t: S - 9 U! z# U! ^1 o4 ^1 o6 F0 w
- Find_End_Enemy_Check_Continue:
! l$ L+ Q6 [5 U! d2 q" t& ?( S - DEX7 l% A( Z/ j4 G
- BPL Find_End_Enemy_Check& l* D: x" H; }
- Find_End_Enemy_End:; B7 a6 t3 V, `) o! D
- STX Enemy_Index_End# ]* [% m% g: R* X( p* A
- RTS
1 j" m+ m& Y. m5 s
" y! B1 P c/ b5 ^: a: M6 ?- ;子弹追踪6 |3 q4 S" Y# Q b9 _
- Bullet_Track:
1 ]5 O% b. l0 N3 R6 Y% I - LDA Enemy_Index_Begin: [4 T2 @$ i& E. V
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
+ \7 c2 M) `" r& }, Q - LDX #$00
* A& t1 G. }8 N - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
( W; v+ j9 k) q3 D& B* z! }4 O - LDA Bullet_State,X
e, V6 I. ~+ b - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
& X" s% O& U# ` - STX Loop_Index_I& o+ x6 t4 A3 m6 J2 J
-
' N8 K0 V7 m' ?) ?8 v* _9 L% u9 j - JSR Bullet_Track_Enemy
! m1 A* t. t& C g - JSR Bullet_Tract_Direction
/ g: U& G. R8 l5 b -
9 o, r9 i! e/ I7 a" y9 ~" [ - ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪
; M. p- z+ {0 {. U: P5 D; ~2 ~! M) X - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
4 z# A1 m$ ~/ r p) e - LDA nEnemyIndex
$ v3 a7 ]$ J8 [* F6 z% J" r, D - CMP Enemy_Index_End1 M, ]9 M! M" }1 t/ N$ R
- BEQ Bullet_Track_Check_Continue
. w4 x8 }* [ ?3 V2 [0 m - BCC Bullet_Track_Check_Continue
5 p E5 U( w/ h: z2 T - LDA Enemy_Index_Begin
& T8 c" }3 G% d: y - STA nEnemyIndex4 Y! J7 A, I9 a- p
- # `7 f3 {3 O8 o* h0 F; @ ?
- Bullet_Track_Check_Continue:
* r& e; d3 B( U u" n- L9 I* m - LDX Loop_Index_I: t% M2 B# I% p, R/ F9 x1 h. e
- Bullet_Track_Check_End:
4 \ q9 V" [ ^# \6 Y - INX/ Q5 G! l& ~6 W9 s8 r; k
- CPX #$10
+ K% ] {3 l8 {4 k8 S+ k - BCC Bullet_Track_Check
" _$ U9 F! h" P2 _5 b5 z - Bullet_Track_End:
0 F5 m- @5 S6 S! r' ?* r$ m - RTS1 k. h$ O: [7 p; C3 F2 z# Y
-
$ A9 F9 _9 b: `2 j8 y8 R6 r( ~ - ;给敌人分配子弹1 X8 \. h9 q. Q( ^
- Bullet_Track_Enemy:
$ e& o3 l" e1 {: Q& F1 @5 x( Q; Y - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
/ W0 G7 y- m( W9 Y - Bullet_Track_Enemy_Check:2 G! x6 R7 n7 Y' [. L
- STX Loop_Index_J2 w+ x7 Q9 I- X( f( H# A5 g2 |
- 9 x1 i# S! z% K1 d) H2 U/ Y4 G6 M, ~
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
" p) G7 W9 ?( {* }1 U' l - LDA Enemy_State,X) W0 ^9 ?# B$ L J* T0 Z
- BEQ Bullet_Track_Enemy_Check_Continue
! i2 Y/ ?2 I7 d# P - LDA Enemy_Blood,X
* ~, f3 C* ]( B! M8 H - BMI Bullet_Track_Enemy_Check_Continue* D0 z. |! z! u9 X4 S: U+ B
- 3 P; V* w& i, B- \
- LDX Loop_Index_I. F8 A# Y; D, p3 q$ a* n9 u/ z
- LDA Track_Enemy_Index,X
: g9 }, j5 n7 _- {, f2 W - CMP #$FF7 b' `! L* m' M% n3 Z
- BEQ Bullet_Track_Enemy_Init
" D1 z/ \9 b' L7 s- _- @ - $ n: J! w+ g E6 R, p# r
- Bullet_Track_Enemy_Init:
' c+ k- z: \/ ]) l, K - LDA Loop_Index_J. b q5 W5 M; ]# e p1 `
- STA Track_Enemy_Index,X ;nTrack[i] = j;
+ ~- X$ z$ ?! D- a X5 u -
* W0 E6 _' q8 m - STA nEnemyIndex8 k* G) ~ a4 c" A
- INC nEnemyIndex ;nEnemyIndex = j + 1;
, K0 d7 [/ m0 T0 g- t - RTS ;break;6 Z, U. O$ V/ B4 I2 f' f6 Y* L+ T
; f! m$ B( j! j$ ^- Bullet_Track_Enemy_Check_Continue:
( ]/ I ^2 [# y+ E+ k$ q8 _5 X - LDX Loop_Index_J' @7 u2 ]$ K! i+ w* E4 h% p, W
- INX ;j++) p6 _' k. ]2 W
- CPX Enemy_Index_End& c/ g# u- A7 i) k& U2 e5 Q6 S
- BEQ Bullet_Track_Enemy_Check
, c' V* C2 O* n" X& g& b t - BCC Bullet_Track_Enemy_Check
, r, M5 Z/ p! E( X - Bullet_Track_Enemy_End:+ {5 b5 L& U7 W- y% j
- RTS6 W! H: _* @3 p- D
- + O; t* V9 l3 {; u9 n+ f- u& B0 K
- Track_Enemy:* L4 e5 ?6 N1 H! F1 I0 x
- LDX #$0F7 Y* \$ a3 n$ C8 ~* F5 S
- Track_Enemy_Begin: }7 \5 u& A* }
- LDA Bullet_Icon,X( X" f- Q. U3 I: [
- BEQ Track_Enemy_Continue! X: F' c0 Y5 S
- LDA Bullet_State,X
( g: n* i# w7 \% f9 o7 P$ p" \ - CMP #$01( r# j- D+ V: f. R4 o- a& w4 [/ r
- BNE Track_Enemy_Continue. R( W9 Q9 @( Z+ _
- " _: q K: g+ [/ b
- JSR Track_Enemy_Process
7 a" C# x) t0 D& ~3 [% R& Z! X% c -
+ Y9 D+ B, r) g - Track_Enemy_Continue:4 l& [- l8 Z! v; b m+ C$ L4 d
- DEX
+ l) N. H/ H# }- r& E. ]' e - BPL Track_Enemy_Begin
# V. j2 }, y2 H - RTS8 Y/ o+ O3 ]6 l, S7 B
- ( A& m) H n. r* h9 ]% d+ j
- ;普通关卡% }# e# Z: I" z" v w1 c9 B
- Track_Enemy_Process:" r& n0 v, o h, e! X
- LDA Track_Enemy_Index,X' T) n5 V- A- ^- r0 K: b G
- CMP Enemy_Index
- v7 T5 m+ |, |. W% C/ O& ~ - BNE Track_Enemy_End; j( _7 M* a- r. |
- LDY Enemy_Index
5 Z3 x% Q3 L r. e$ x$ J - JSR Track_Enemy_Y8 P5 m; } I! y& c5 b j
- LDY Enemy_Index {3 e0 n, f" I
- JSR Track_Enemy_X( d- t% I, |9 {9 U9 w
- Track_Enemy_End:
5 |+ D9 r# l- O) _ - RTS
( }; ]) I& _ x% e7 x - " b" d; X' ~) t3 n. P$ [+ d% u3 A
- Track_Enemy_Y:' h9 S9 B, Z5 H1 K6 }" N* i- \6 V
- SEC" m2 T. S) J& ~) [4 w6 c: M6 s8 x
- LDA Bullet_Y_Pos,X$ _' S3 j5 `# n* K
- SBC Enemy_Y_Pos,Y# F7 Z& g' F$ j+ T" K7 R
- BEQ Track_Enemy_Y_Equal
7 l8 @1 y S& m% q* Y+ A4 | - BCS Track_Enemy_Y_Greater
/ ?4 g) x2 V; `% \* I7 }3 T -
, m4 _8 ^) P! Q, v+ }2 O0 U# Q - Track_Enemy_Y_Less: ;子弹Y < 敌人Y8 [7 B9 e/ \$ n4 N
- CMP #$FC
5 K* Z5 f, R, W2 ]% Z - BCC L1_1
7 k( e5 _8 s9 H( k C - CMP #$FE: D6 E) j2 G, x0 w7 ]% m
- BCC L1_2
6 {- e. `9 b+ M" w5 m, G7 J. ^9 z. } - LDA #$00
/ Q! V, a. }1 \2 W7 l5 a - STA Bullet_Y_Speed,X5 Y* {8 w) \) h. M2 R
- RTS
: }3 }3 h1 V9 x# s: Q! e - L1_1:
) V1 ]$ `/ W: y - LDA Bullet_Type,X3 N% U8 Q+ b; d; \/ u! i0 L/ Q. @) f. r5 W
- AND #$0F! W1 W4 |, l) c
- TAY
( F; G8 ?9 ^- f" y( E - LDA Bullet_Speed_Data,Y
0 w5 q* w. s9 Q: x0 j6 d - STA Bullet_Y_Speed,X& v7 q; j# J' \4 j
- RTS2 E; m2 o" V8 ]) `: A& p
0 L4 |8 ? J$ a0 t& K e& k3 I6 I; n- L1_2:
1 V$ A( q8 S: U. Y - STA Data_buffer
, a$ j( l& q6 f, K, E, V. j) b - LDA #$00% h6 C7 d5 \( ]: e# `1 W# B; s
- STA Data_buffer% e- c) x! N* |
- LSR
3 y: Y* f; a" P" b- Y, N0 x* f - STA Bullet_Y_Speed,X
* t w. u6 K0 H' V: y/ a - RTS
% C5 Z+ Q7 |" l% I, A6 L3 H( J+ `% Z" `$ x - # _6 h+ J5 b, Y2 N
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
: [# x h0 p6 \' r! P f; A: F - CMP #$04, F j) `7 M0 ~, f! W2 F ^
- BCS L2_17 P- ~8 T) K/ S: V. ^( O
- CMP #$04
$ J# t+ H$ O# r - BCS L2_2
. W W& u0 U" c) }( c# @ - LDA #$00
3 D1 ]1 b+ c) s1 S+ \, t - STA Bullet_Y_Speed,X
7 \9 v t" Y$ |+ f6 E- l - RTS1 j( k0 g8 J- F- n6 Z) p
-
v- O0 e: G! [: f - L2_1:! Z- k3 l0 ]1 Y d2 Q9 ^! i/ x
- LDA Bullet_Type,X
" m6 P3 ~: t' P9 }" M: N$ _" E& d7 I - AND #$0F
: R( T" w, L& @7 q3 R! v - TAY
5 C; K! P' m# |, ] - LDA #$00' _& z1 ]' y9 m$ J4 d# l
- SBC Bullet_Speed_Data,Y
0 z) Q- A* t6 @0 k2 k - STA Bullet_Y_Speed,X
B3 Z5 X" X/ @ - RTS' W+ I( h* o5 S5 Z' q. j& u
- * j" M' D) Y# ~, s4 Y
- L2_2:: b Y/ p+ Y' B2 S @) h4 A
- LSR
/ H* Y+ ]5 Q& _8 @# ]1 N6 X - STA Data_buffer
% c0 Y7 Y+ I4 x+ c - LDA #$006 s: l. s' w& T1 @# G) X
- SBC Data_buffer: v1 Q8 D+ a" c6 |! ~6 ?# S
- STA Bullet_Y_Speed,X9 m4 y' M+ y/ J1 S
- RTS
4 }7 Y. e% V& P" d - 4 r- q( f: u' [
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y- L- ~1 a* z, e& _/ j
- LDA #$00/ G+ k* r( Z0 v- i
- STA Bullet_Y_Speed,X
. U5 |* `" f9 W" p9 H' h) T. p - RTS+ o' y; _+ q# ^6 |1 K7 s. L
- 8 A! x' V5 r9 ]* ^6 e
- Track_Enemy_X:
' l6 s' k+ N/ p- h A& | - SEC& v( R. j& K1 m3 ^9 |: E
- LDA Bullet_X_Pos,X
: D" z. X" H* Z - SBC Enemy_X_Pos,Y y* l& G! W5 H# E- t6 p3 Q0 T
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
# ?% r( R* k+ ?: w - BCS Track_Enemy_X_Greater ;子弹在敌人下方, I, x/ ~, S& D) q" t9 g( v
- & `/ U" w3 h1 n. ^: s3 Q5 e! V
- Track_Enemy_X_Less: ;子弹X < 敌人X7 U# B9 C8 Z$ |' r$ W
- CMP #$FC
3 `- s+ N0 }: U+ k5 W - BCC L3_1; @0 H, m% u6 }, v0 u1 B
- CMP #$FE
# \0 d; t0 o9 X+ R g( M/ \ - BCC L3_2
3 o/ ?6 `+ I% }0 d$ _4 ~; [ - LDA #$00) |- ?4 W/ G, j/ h5 g& s
- STA Bullet_X_Speed,X
$ U0 |/ D* I8 J4 h - RTS) l0 E( G" c6 O D
- L3_1:
5 m) u; D( U) r3 {& d - LDA Bullet_Type,X# V8 n9 w" S/ @/ [
- AND #$0F
8 K' T* O. ~7 _: ?- s - TAY- m) v' ~5 n z a0 V5 E
- LDA Bullet_Speed_Data,Y
0 @6 h5 j0 B/ f% ~' ~. F& ~ - STA Bullet_X_Speed,X
8 h4 C5 r' {6 U% \ - RTS
$ `; P/ i# u: O0 z - L3_2:
/ T/ Z6 A! A4 f8 B* Y3 B+ D - STA Data_buffer4 P5 r3 ?/ ~9 e/ K8 L1 b
- LDA #$005 ]4 ^/ Z/ C! {/ u% F
- STA Data_buffer
; t- n3 \. N: ^# i - LSR$ x; g; I1 |5 V
- STA Bullet_X_Speed,X' ^7 T; _8 J9 c2 V
- RTS
" n. v9 k, }; U8 ?! N+ G. P - % Q& t+ S D, M+ E9 ?$ z9 }
- Track_Enemy_X_Greater: ;子弹X > 敌人X# c. R: r1 N! h7 e2 p
- CMP #$04
& O; M$ M* E$ E2 V - BCS L4_1
1 c* S2 A: C. y/ f' Q7 z8 d p - CMP #$02/ S; Z: `% |1 `% r3 Z$ n& R
- BCS L4_2! C" c5 S$ k7 u% ~
- LDA #$003 C( B _" i/ M
- STA Bullet_X_Speed,X
" w" Y7 v7 ~" Z# e& |- ^ - RTS# V- d. j) R& S# h, p
- ) @* g0 R- m }6 c- Z
- L4_1:
- w: U2 q# ]: O$ N; I - LDA Bullet_Type,X
) C8 C& y1 b5 d+ y - AND #$0F- q: O/ x. Y, u j* d3 [- Y
- TAY9 j; w' w/ s `& z& V( c& f6 g2 a% J
- LDA #$006 E7 f- Q$ P3 J$ a
- SBC Bullet_Speed_Data,Y
( W3 v, i+ I7 U; z1 r/ H - STA Bullet_X_Speed,X
" i& q( m7 J* }9 t# q! _6 y - RTS! z. a# A: q% r2 C2 C* k! l Q
- L4_2:
8 @7 e2 d: X. q - LSR: n0 P# \" R( N
- STA Data_buffer8 B# G5 f6 h/ e
- LDA #$00
" H/ W) A! X, |- S: k - SBC Data_buffer
9 a/ z/ s/ `& a, I3 X; T5 U" Q* d - STA Bullet_X_Speed,X! [/ H/ `$ h" A. e- U m
- RTS
( A$ {) {8 h& M) A1 }9 m -
4 J' ]" x4 }1 b/ P t - Track_Enemy_X_Equal: ;子弹X == 敌人X
]. I" w- X2 p - LDA #$00
2 Y$ ?& R6 U: s% q3 w - STA Bullet_X_Speed,X
+ t; w9 M& Q9 Y. M; D, E - RTS
- A: w8 z. j5 Q \* a -
# w* {( A$ K/ O4 ~; A: m - Bullet_Speed_Data:
$ |0 O& Y" f8 b - .DB $00,$03,$03,$02,$03,$03
8 ?3 U- P( ^2 I, M1 q -
8 E O2 L9 T/ i3 F# w/ I& p3 C - ;2, 4关2 C: ~" A( j0 ~/ }1 s
- Track_Enemy_Ex:
/ }1 T/ H6 K) c& d8 \ w - LDX #$0F! m3 N- o0 m# S* e& e
- Track_Enemy_Ex_Begin:' Q/ y1 I6 v6 M4 f
- 9 ^7 A9 ^7 [. h+ B, [/ N, t
- LDA Bullet_State,X# W$ f3 J6 F1 H2 i! y* a% |' L g
- CMP #$01% K/ n$ `' _) Q9 S0 u" _) b" U
- BNE Track_Enemy_Ex_Continue
4 {" A4 U7 `: @( x0 Y1 Y6 y - # N( Q0 I: d2 s2 e& E5 ^
- LDA Track_Enemy_Index,X* t8 C6 b6 `' Y% i2 M' }& O
- CMP Enemy_Index3 {2 u+ l# _0 j: t! v
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标) `# _5 j/ |& e
-
5 J0 f0 v; C9 H8 q, m/ s - LDY Enemy_Index
- Q2 \4 b. i* E; d: B! G - JSR Track_Enemy_Ex_X, H7 O1 g# U: K+ v, c- V
- 5 X! }4 P- F4 J9 I* N; ~ T3 w
- Track_Enemy_Ex_Continue:1 [$ X9 C5 l6 t! E
- DEX
& c5 f9 r/ B: ? - BPL Track_Enemy_Ex_Begin
x# w9 Y1 U" S; F4 }+ K- e3 k" G# r - Track_Enemy_Ex_End:
- N( n" @% i7 ]1 Z3 m& @0 s - RTS
* O7 K. R( o6 j% @ -
+ y: w8 M; ~+ _ - Track_Enemy_Ex_X:
/ o; R# U) K0 V) d5 U* D - ;LDA Bullet_Z_Pos,X4 U0 g9 O6 r. K/ w9 U. h
- ;CMP #$04
- m2 N& C' A+ _/ m2 p# ] - ;BCC Track_Enemy_Ex_X_End- s' _4 i' ^( G4 S6 |0 u
- SEC' O) z% F' W7 r3 U# D, R3 @. Q& K
- LDA Bullet_X_Pos,X5 t. }/ f2 E: a7 w7 X' k
- SBC Enemy_X_Pos,Y
) e7 d7 j6 t5 z. t: l j - BCS Track_Enemy_Ex_X_Greater L$ d/ _4 I, s9 Y& Z8 T
-
1 \8 |& A" ?! @+ G - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
4 m) U- k& W4 B0 k5 `1 u - CMP #$FD$ j8 }4 y+ [% s) L o
- BCS Track_Enemy_Ex_X_Less_End! C Z2 v. T% Y# o; J/ L0 Y
- LDA $6020,X' a" \+ I. m1 } H9 G5 ^% K% ]9 V
- CMP #$2A
4 T/ j9 M2 p3 T7 t - BEQ Track_Enemy_Ex_X_Less_L1
( a1 `; `# K% c; _9 E9 m - LDA Bullet_Z_Pos,X2 W. O) ?3 ]! E B& ?! B' n. D
- LSR
0 E0 J4 c0 I+ o- L) {; ]0 J - TAY4 k) g0 V% X5 c) z7 x2 x$ Z
- LDA Bullet_Speed_Data_Ex_R,Y8 f/ f5 O- V' u3 w/ @
- STA Bullet_X_Speed,X4 J0 T0 D0 J& c$ C; S
- RTS- \ c: G4 y& T0 @- c+ w
- Track_Enemy_Ex_X_Less_L1:
- J4 f' D: w2 B/ z$ c3 r7 i
( d9 z4 Y! d* b( s- LDA Bullet_Z_Pos,X# j% D8 k: @* y3 n% H0 e
- LSR5 V" i! Z: g. d9 n) t
- LSR" H f) Z' L: P7 m w
- TAY! P* {0 l4 S/ X. K
- LDA Bullet_Speed_Data_Ex,Y. F' n" Q7 a( J+ ~' |, c% l
- STA Bullet_X_Speed,X" b {( t/ q) P/ o8 b; s* ~( @
- RTS9 s9 P( u: U7 `( E( Q
- 0 O9 v I/ X) }, Z, Z5 x h
- Track_Enemy_Ex_X_Less_End:
1 k/ O+ `5 R R - RTS
% z3 B3 @5 T' c$ |% u! k - % v( }1 l z j7 \
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
3 B7 B2 ^& i$ F1 C- l - CMP #$03( A8 I O# w- k; W( i! e
- BCC Track_Enemy_Ex_X_End
9 s5 E4 N ?& o. J - LDA $6020,X
6 p9 d0 U6 h+ N d( Z - CMP #$2A
& t1 D( v3 k2 s* Q% I7 q* p - BEQ Track_Enemy_Ex_X_Greater_L1
# q& q ^( V* f# g i" {7 N - LDA Bullet_Z_Pos,X' n2 R4 E4 v1 S( O, E" v
- LSR
$ r8 L* W7 \- U5 S+ r& P3 o" G - TAY
; N- ?* U, V- m8 @: c - LDA #$006 R! w o) A5 `% @
- SEC
6 N) e! w `# E6 ^1 Z# H& O$ _ - SBC Bullet_Speed_Data_Ex_R,Y8 R, Y9 i9 E( z
- STA Bullet_X_Speed,X
+ U5 p) }' D2 H* R - RTS
+ w7 G! Y7 \( x9 W - * G. I- o- ?! [, \
- Track_Enemy_Ex_X_Greater_L1/ e4 f9 O; g* K$ K1 n% A- N
- LDA Bullet_Z_Pos,X
# T; c7 j8 [8 t0 t8 y$ t4 t# @* b - LSR
* A. Z( P g {2 E+ E. ~8 \2 a1 `! I - LSR
4 M" n/ V2 Y& C F K - TAY
; G( j2 b, m1 M$ P6 {/ N T - LDA #$00* h r! W ] U! `8 L+ b
- SEC3 b( }8 ~' T* [! b- D' Z
- SBC Bullet_Speed_Data_Ex,Y
/ b8 U( J/ v+ c$ \6 n) j - STA Bullet_X_Speed,X
; J7 g0 p s* j. a - RTS2 J) {* Q m' D6 A0 I6 `
- 4 r8 q' V# }9 u' H
- Track_Enemy_Ex_X_End:
/ t$ V8 H- S3 @, y" n - RTS
) j, T7 t' u$ S- d' L - ; f1 L* O) @' O+ V; x9 K4 a& 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)
! m" Y. S( {) ~( ^8 ]" | - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上: D% m5 ^( o' C: L
- Bullet_Tract_Direction:
' n0 c9 J6 [+ y1 M- e( h2 y9 x$ E - LDA Bullet_Icon,X3 O N! M O8 ? Z, N
- CMP #$23. {, ~& k3 g- j
- BCC Bullet_Tract_Direction_End
) O) ?: e8 i( Z% {# p -
8 B% u- K0 e3 ^9 F7 B6 H6 g - ; X != 0
' r9 p% |9 E$ v% d - LDA Bullet_X_Speed,X7 \! @- t& o+ P3 j: I9 G5 G
- BEQ Bullet_Direction_V
% W& i7 @8 W+ K2 p. K* M -
% i! B& e0 C- f( ]$ W5 Y - LDA Bullet_Y_Speed,X% O) A5 r+ b9 n9 Y6 p1 j
- BEQ Bullet_Direction_H
. S* g5 K# n6 D( l: k; {1 \' A& G0 k - * z) a( v4 q" _2 ?) f3 x- S
- LDA Bullet_X_Speed,X" p" d4 d( ^% J
- BPL Bullet_Tract_Direction_Right/ ^) K/ I; `# c V4 m
- Bullet_Tract_Direction_Left:+ R% E& {$ a4 o0 Y; X
- LDA Bullet_Y_Speed,X2 F9 c+ F- g6 v% K- I9 Q4 _8 V
- BMI Bullet_Direction_Left_Top
5 [. o* x- K5 s$ u( v5 e - BPL Bullet_Direction_Left_Down. k$ e! U$ }/ D5 m K v& T, w
- Bullet_Tract_Direction_Right:6 n, o* y' F$ _0 c/ l
- LDA Bullet_Y_Speed,X
1 d( j% h( D. v& W9 Y - BMI Bullet_Direction_Right_Top
2 u- S0 C# h, [ Z+ }# M - BPL Bullet_Direction_Right_Down6 U7 \; ^3 u- V4 h4 S
- Bullet_Tract_Direction_End:# H; v* {& S% M5 L
- RTS6 B! _) }3 M& y4 b X1 ]! p- f
- c: p0 M/ Y% O5 ~( i% \6 I- Bullet_Direction_Left_Top:
3 D0 ]) V4 b$ r7 u0 `! _ O - LDA #$25
' J2 D1 ~9 A% S1 V# h - STA Bullet_Icon,X C0 ^8 s' ^7 j; a
- LDA #$C0
' I0 p6 e# h: K" H. f - STA Bullet_Direction,X- K1 ~! B. `/ S5 Y
- RTS% [" ]& u) U- I$ f9 W. j$ o& f% Q
1 |( b" F% m% w3 j- Bullet_Direction_Left_Down:5 Q2 R# v* P5 ^: ^. l
- LDA #$25
. A# D$ o/ z5 W* G- x - STA Bullet_Icon,X
' q0 p" P& ^; c/ \& r* `- f - LDA #$40/ E, v( J) ] H8 i1 |
- STA Bullet_Direction,X F* s$ v+ b4 W4 r
- RTS0 D& E" j8 R1 W) q! ^/ j" ~/ |
# U0 `+ R/ u" |8 l, y- Bullet_Direction_Right_Top:: ^7 y6 m& f0 }& M
- LDA #$251 C7 E/ z R. S/ T1 C, w; t% Y' ]
- STA Bullet_Icon,X. P8 ^! Y3 l* }) ^: \6 }3 h+ F, }) I
- LDA #$80; G! P+ k% }! F
- STA Bullet_Direction,X
4 K5 v4 f q$ W+ z( ?$ Y) ^4 W - RTS
& T- v: ?! { ]8 A' m3 g0 D
9 r( B) y# v' T0 H- Bullet_Direction_Right_Down:. U; W) f% @7 c/ R. m+ E) X- w2 U
- LDA #$25
- W5 f) S T* Q" f - STA Bullet_Icon,X% x8 s2 o/ |% K, v9 m7 |- \& [6 S
- LDA #$00
! R1 A+ r: k2 d c9 x8 h - STA Bullet_Direction,X" ^4 U- q Q4 y) \3 {, Q$ {7 p5 J+ _
- RTS
# y$ @. e/ g4 `- r+ C
, ~6 w" j) H0 e; a$ L0 A$ E- Bullet_Direction_H:& R( k7 a! V% h; e5 u6 N
- LDA #$24
# F% p, Q6 Q3 u# g' x( e0 }3 J - STA Bullet_Icon,X# _& M& O' `7 `" D: ~* T
- LDA #$007 \* C( _7 Z& I5 p- {
- STA Bullet_Direction,X
" {" X' \3 [- G9 k0 R# j* O, E& k# C - RTS
! n8 }2 y! G9 o& o! S, d - - j, o1 g9 M4 Y/ g0 N0 X) A5 m) K
- Bullet_Direction_V:
. A, A/ y, x: O' F8 U! \3 X/ | - LDA #$23
' Z1 Y. t7 i' |+ `4 T - STA Bullet_Icon,X
- H3 H2 W6 y" E6 E/ K$ t8 w% U - LDA #$00% I. ?: k; i) W) N! ?0 {
- STA Bullet_Direction,X: T" R, ^ X: n; j9 _
- RTS
, z& K! q- _, w+ ]
3 m$ H. Y( e7 A3 U6 a( e- Bullet_Speed_Data_Ex:
! }+ G/ R# T4 y8 j - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
( _$ a8 U5 R8 b3 L2 _! o9 x: p - ' u3 |/ ~1 P/ K- I9 p& \1 {& }
- Bullet_Speed_Data_Ex_R:
' M# c8 l" ]1 ]# j - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
# a5 Y! Z- @$ q7 s) k -
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