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[FC][魂斗罗][J][追踪弹]: ]$ o2 v X/ ]" ^
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时间:2023.04.30
3 L" b/ Y* x x5 X! ]8 ?作者:FlameCyclone' h- X; a. i. z/ N% a* K
内容:
+ q+ c0 m# d2 m W 1. 所有子弹追踪敌人
* h7 m$ @. M6 S6 J% x$ i 2. 选择键切换武器7 O+ b- w: ~6 w3 |7 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
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) i9 X m3 l" z; I( a- h" @flamecyclone.ys168.com
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: R8 n. O L" g, `9 z- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁& _/ N. U% ~5 K' h, ?8 [
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L0 N+ R* x; v1 W1 O$ _2 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)
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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)3 h, { s- a/ B* q, P* |8 A e! |
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
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; _* |6 Z% u/ I4 k4 E4 |$ u0 f- Track_Enemy_Index = $60002 f* X. [% k5 M
- Enemy_Index_Begin = $6010
* _# f8 E0 \5 ?6 H - Enemy_Index_End = $6011
+ _ E7 ~) o8 h7 r( i
& F; {. l: G; g/ X3 ~- Loop_Index_I = $60129 ?# u+ Q# O/ Y6 I
- Loop_Index_J = $6013
6 _" k; [* ]8 i \4 E) K/ K( j# a - nEnemyIndex = $60144 d7 B8 \9 b" F. M) ?6 ~
- Data_buffer = $6015
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- Bullet_Y_Pos = $03B8 ;子弹垂直坐标2 h8 T& a3 B* ?2 |+ O! X* g& i8 ]
- Bullet_X_Pos = $03C8 ;子弹水平坐标
9 s% i7 {# b& N( ?) _ - Bullet_Y_Speed = $03F8 ;子弹垂直速度
( S% v- D; g/ g; S - Bullet_X_Speed = $0408 ;子弹水平速度2 E2 x: ^4 S+ E3 P8 m) b ~5 x
- Bullet_Z_Pos = $0418 ;子弹Z坐标' M, j0 y' s2 K% m& ^* @
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P/ ?+ T: c7 @/ [9 n% d1 \
- : @* ~( s5 S' H, F1 ]( p
- 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* t; _& C0 _& n# U3 |
- Enemy_Blood = $0598 ;敌人血量
. N* [; m. k9 b4 A - Enemy_Type_Addr = $0528 ;敌人类型
" Q' V& D4 N" x5 Y B, \ - Enemy_Blood_Addr = $0578 ;敌人血量
, w, b# I& L2 Z' D - Enemy_Y_Pos = $0324 ;敌人垂直坐标% Q) b4 L% I) N" e0 q% n- y
- Enemy_X_Pos = $033E ;敌人水平坐标
( B: E% P& ?. ~% Z y! p - Enemy_Y_Speed = $04E8 ;敌人垂直速度9 X, K! |; D9 K T# K
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸. G+ e) m- B W8 e3 D) K" t. d9 K
6 \0 o% e+ G4 T- g3 T$ z- Enemy_Index = $83 ;+ Q) I0 `/ r% C1 Y
- Time_Count = $1A
. J2 z+ j, A5 A+ j& I - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
I# K- [" ~( g3 v9 l. l0 ^ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率( d8 R# t8 Y0 ` E. J
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- .ORG $6100
) g9 _3 c) w, k3 w - Process_Begin:! e* c9 K2 C/ p9 Z* D% M' k
- JSR Enemy_Check3 K3 C7 {" `; D4 B4 w
- JSR Track_Enemy_Check; v1 W2 `4 t8 F& K+ S- S
- Process_End:! a# D! o# [7 @. [. l
- JMP $E54F
8 E |+ E* B6 T
& Z: l7 h( C) R- ~. W- Enemy_Check:8 N" h! U5 R# t/ E' l
- LDA Time_Count( ]6 ?* ^/ v1 h$ u% E0 T$ Z- w$ |
- AND #Track_Bullet_Speed
0 i: |: S3 g9 d1 H" h/ O* R7 O - CMP #Track_Bullet_Speed
5 H2 }7 ]7 I/ D- Q( C' x" z5 o - BNE Enemy_Check_End+ \/ Z g5 w+ g, ?4 R" h2 j
- LDX #$0F4 W! k" b( o. G8 A
- Enemy_Check_Begin:" H8 ] y* e; ]5 B6 B
- LDA Enemy_State,X9 [+ y8 n4 I) r
- BEQ Enemy_Check_Continue
( w2 m8 R9 K( r( @8 W* u - STX Enemy_Index, H1 n' G! R- C2 ^
- JSR Find_Begin_Enemy: a" U2 p1 n$ I" A- H
- JSR Find_End_Enemy# s: R4 K3 X; o0 c: r" W# O% x' z6 s
- JSR Bullet_Track
2 i- j' a- m$ I& _ - ) N! G' R9 E+ }2 H7 b, z, b
- LDX Enemy_Index
6 e$ M- I d2 ?- w7 R# g$ g* @3 E - Enemy_Check_Continue:4 G; I6 ?) z2 Y4 q& q2 X5 `, \3 h
- DEX
: Q" i* e* F; L+ X! s - BPL Enemy_Check_Begin/ c' ] \9 H9 T( e' Y9 t# m9 x
- Enemy_Check_End:4 i% l: w6 @$ ~
- RTS- R- Q- C/ e2 `: f/ k
-
3 ]) N8 J: e1 |7 X: r+ Y$ U - Track_Enemy_Check:
0 y$ u$ r' D3 j" G4 I& v - LDA Time_Count. X+ o, u/ a' Y/ I3 A
- AND #Track_Enemy_Speed/ A- N0 J. h; \- r# w3 ~1 P
- CMP #Track_Enemy_Speed' p+ V# b9 z3 \
- BNE Track_Enemy_Check_End
, D9 l6 S4 J/ L& q' ]7 N* o: K3 } - LDX #$0F
6 M* n0 V6 O/ L! w$ s) i4 } - Track_Enemy_Check_Begin:8 e; D$ x9 K# n
- LDA Enemy_State,X" I2 e3 \" z; T
- BEQ Track_Enemy_Check_Continue
" m* A3 r- G9 p3 p0 E. x - STX Enemy_Index1 l8 g0 A/ v& K) B; y, |6 {
-
% _6 i# b: `; Q6 d4 \7 L - LDA $40
5 |3 Z3 K+ V9 b* O& { - LSR
- y# X) e% A% j - BCC Track_Enemy_Check_Begin_L1
& z% Y' ]& Z) h" U4 l% r% Y) }8 P" l/ I - $ i- K4 P# s4 v* g$ G
- JSR Track_Enemy_Ex ;2, 4
5 F3 x X' B& n+ ^. h. o; ]) E7 p - LDA #$00/ C( a. o) U, P2 u( N
- BEQ Track_Enemy_Check_Begin_L2% u3 B0 L" `: W, r, {0 l
- & C2 s3 {" Q% D r. t
- Track_Enemy_Check_Begin_L1:
3 E/ A/ D$ q' A0 F8 p" I -
. {# L' a& q! P) C1 Y& x ? - JSR Track_Enemy
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, T5 ]: J, \5 b; R2 `! g0 ^2 H- Track_Enemy_Check_Begin_L2:
0 ^! L0 X/ y4 T; H1 U- L) G - 3 F5 F$ I) w' F5 X1 R0 I( R4 K
- LDX Enemy_Index& p8 [+ s$ f( D. y* X
- Track_Enemy_Check_Continue:/ ?' [7 a I- K3 z! V
- DEX) C2 @" ?0 t F( Z
- BPL Track_Enemy_Check_Begin
% g1 _# D( _& E# q7 H4 j - Track_Enemy_Check_End:
8 g) P5 M: b |2 n6 o - RTS
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% X0 X, ^ z2 `% J3 X' j: B- , z* y" i) N7 [4 q. e9 u
- ;查找第一个敌人
, b% L6 b5 b5 S. i% M& Y - Find_Begin_Enemy:+ _! w3 k) f ]
- LDX #$009 H! h- \+ z* X5 K$ u. r9 m; S
- Find_Begin_Enemy_Check: h! \6 s9 z7 L. W
- LDA Enemy_State,X' I. J' B8 b6 |+ p5 N
- BEQ Find_Begin_Enemy_Check_Continue: G' Z% F: g. x5 X/ G
- LDA Enemy_Blood,X" `6 Q7 d! s" c9 z) _
- BMI Find_Begin_Enemy_Check_Continue
7 z2 P: [5 n* F0 v! m6 _ - BNE Find_Begin_Enemy_End
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: X. B# c2 Y) ]- j; E: x# L# q - Find_Begin_Enemy_Check_Continue:! w5 {" |. Y$ _5 N
- INX9 I. l' Z: Q$ V: y/ e( `
- CPX #$103 ~! X1 m4 ^/ C0 o
- BCC Find_Begin_Enemy_Check4 C% F0 P7 U& U6 L
- Find_Begin_Enemy_End:7 @' }: @% k: W! w. W7 k& C: C
- STX Enemy_Index_Begin9 q9 U2 @ X/ e
- RTS* a* R# X3 }- w% x0 @/ X
- : a. P6 ]. J- u' m6 }7 ^' @
- ;查找最后一个敌人6 A- t: U' U' {* C1 v( c
- Find_End_Enemy:" U9 g6 L) m! B, r |
- LDX #$0F
% z$ M0 @4 Y _, b$ y3 Q - Find_End_Enemy_Check:
0 F& H. b! P$ T- G# k Y a - LDA Enemy_State,X
& b' c; _0 V( x3 c$ i5 ? - BEQ Find_End_Enemy_Check_Continue1 Q( n: T& n6 Y- A) s4 _1 I
- LDA Enemy_Blood,X; m% ^) k: y( r; ]. g1 S
- BMI Find_End_Enemy_Check_Continue4 ]0 H" a1 e# c: @ _1 o5 x
- BNE Find_End_Enemy_End* U; K# V/ M! z- P+ v! L, C
- 1 u1 W- k' d; y$ P2 Z
- Find_End_Enemy_Check_Continue:
: P C# @( ^3 }8 o% q7 b Z - DEX" g: j) N& F7 o6 [ ~7 }
- BPL Find_End_Enemy_Check# d! ~1 T1 A! w
- Find_End_Enemy_End:
5 Y1 Q8 @) e: q% C - STX Enemy_Index_End
4 l4 s. Z' O# `8 U$ d# } - RTS6 V5 v) V W$ r# ^' B3 B# W
' [* d' |) `; R& G2 E- ;子弹追踪6 E! U0 y* k; B! N
- Bullet_Track:, J1 ^/ X5 ?5 R2 G2 } t
- LDA Enemy_Index_Begin
" ~) j% \: \" A, }+ H - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;' M& e" z1 c/ I8 u0 l* }2 ^" f" i
- LDX #$00
2 B9 D. E8 D4 T" h; [ - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++), C% }) i) l! e9 ^. r M* j& `
- LDA Bullet_State,X+ O9 X8 C5 c, R# _
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
2 U% {2 R U7 ~- i' w4 w9 f9 U( O - STX Loop_Index_I
( [" x: F+ u- O. g/ |' Y -
! r/ W- ?. |2 x0 Z - JSR Bullet_Track_Enemy3 w; |& R- N1 x
- JSR Bullet_Tract_Direction
& U$ d. x. P& J! Y1 w9 X- [ D7 C -
; |' J$ }- f2 n3 ~2 m" U+ t - ;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 q1 ^) q( k, v! p7 Y8 [9 x - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
) h- E0 {4 s' d* K+ i - LDA nEnemyIndex
9 I; x! a/ N! D3 h1 O6 `' ] - CMP Enemy_Index_End, A6 n/ t* Q1 z( A' B+ H
- BEQ Bullet_Track_Check_Continue" o) C9 T4 ~$ y. x4 y
- BCC Bullet_Track_Check_Continue
8 n; f, k% U* f - LDA Enemy_Index_Begin
0 O+ L$ q2 V' h4 x. X1 D - STA nEnemyIndex; t- K! E$ G- T% [% j
-
' ?8 N; B( f! c2 u$ G- R# t - Bullet_Track_Check_Continue:
J, b3 b/ u5 U - LDX Loop_Index_I* o5 }+ a5 I; s4 p. G5 C
- Bullet_Track_Check_End:: M* _% X1 E( X: ?7 L6 h; p8 N
- INX Y( b; {9 [% V. j$ I/ e5 w
- CPX #$10
: ?' ?5 y8 g$ R" t - BCC Bullet_Track_Check
( s; l, f' s; N* q0 W J6 k" j+ @ - Bullet_Track_End:
+ z; U2 b" Y* M1 _% H& g - RTS* c6 S. C& i8 k+ N; ^, G
-
I% b5 \$ k3 x4 j8 i9 B- [ - ;给敌人分配子弹
+ b% T# _0 X. v& T - Bullet_Track_Enemy:+ ~& Z$ k, X* G! y; T5 r
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
0 L1 t9 @, M4 L( O, k - Bullet_Track_Enemy_Check:
4 e6 r, J! }4 A: n - STX Loop_Index_J
' q. Z1 b+ t3 A& _' r - 1 T2 @8 i2 H" s. k
- ;if (0 != nEnemy[j] && -1 == nTrack[i])+ N' R1 W0 ?% e0 A
- LDA Enemy_State,X
% @3 ~- y2 q' B- B - BEQ Bullet_Track_Enemy_Check_Continue4 u& u( A4 J0 F! |
- LDA Enemy_Blood,X
! S7 n9 d r4 r" n0 N - BMI Bullet_Track_Enemy_Check_Continue {3 R9 _* n5 V, Z) ^: Q
- ( `6 O" M% N; j3 |- p
- LDX Loop_Index_I
+ q( W' `- e2 H* l) R - LDA Track_Enemy_Index,X
/ b) f& a: m8 G: I$ U P" v - CMP #$FF
$ g3 I! ]* I" H7 y5 u - BEQ Bullet_Track_Enemy_Init) k2 n. U# v8 I- j- [* P/ H- o! w, n* R
-
4 b3 V7 ^8 ]9 g5 y, h - Bullet_Track_Enemy_Init:
% ]3 [, @7 F0 }8 v/ `) z - LDA Loop_Index_J8 X. F/ d, C' H; ]1 e( U
- STA Track_Enemy_Index,X ;nTrack[i] = j;; b; V2 F3 i: Z
- " T: P0 ^: V# G+ _& ]
- STA nEnemyIndex, q! y2 U$ ]8 r9 B+ p
- INC nEnemyIndex ;nEnemyIndex = j + 1;
_6 }# Q: g% @) b/ Z - RTS ;break;
5 a; @) E1 s# P: e8 D - 8 a: l- ~6 W4 I
- Bullet_Track_Enemy_Check_Continue:& R* M4 y0 q# e v7 M1 N# K2 k4 |
- LDX Loop_Index_J' c; q9 p! k4 |. w9 m- e/ A4 A
- INX ;j++- f( X# x; k$ n/ G4 g8 E
- CPX Enemy_Index_End! J( p# J: N. j1 J
- BEQ Bullet_Track_Enemy_Check
% N, L' D3 u, G# }* k' O- w1 n - BCC Bullet_Track_Enemy_Check! @3 Y5 h8 @$ \) |( m7 X* k! |3 I
- Bullet_Track_Enemy_End:
3 J* G+ w' o& D+ p( h" u - RTS" a& h# z6 [ Z. e' M
! X0 v9 K& N. a# ]- Track_Enemy:: o# W( o1 v1 X, s: {
- LDX #$0F
* k0 i$ Q9 l, o0 i" o* @ - Track_Enemy_Begin:
+ `6 z, j+ U& c* N - LDA Bullet_Icon,X
6 b# H- R8 p, O1 m- X - BEQ Track_Enemy_Continue# w: j5 f# v+ _
- LDA Bullet_State,X
5 ~4 t, U( F* V* U - CMP #$01
( w: e4 i; i2 q+ R1 Y$ i" d - BNE Track_Enemy_Continue) x6 Z9 T7 l3 Q! w! J
-
% ]! b4 G# H+ X& k - JSR Track_Enemy_Process
4 m3 D* h* D& a" J - 6 e! w3 S1 _- v' W+ \
- Track_Enemy_Continue:& j5 D( E) D: ~# x9 b
- DEX
# A$ A: j) Q2 I7 [$ `# f, L8 y8 X - BPL Track_Enemy_Begin
+ t- c! ~. g! B$ D+ m4 G - RTS! P" a( p1 A/ C3 C- k* z
" U; h; x% N8 s9 d) h. P- ;普通关卡, {7 t. H8 L6 d% }7 `; l8 J
- Track_Enemy_Process:/ o7 f" D m/ t+ h U
- LDA Track_Enemy_Index,X
1 C5 T( M. g4 |: r6 _- J8 q- c: G2 | - CMP Enemy_Index
+ R% B* C- }, @0 ` - BNE Track_Enemy_End$ @9 P- r: f6 x/ c0 ~
- LDY Enemy_Index
4 `# Z/ a6 c5 r6 @. }8 A - JSR Track_Enemy_Y# c6 ~7 r2 r2 q- l; U
- LDY Enemy_Index
+ @& C- Z1 P: u2 M9 G# k' E - JSR Track_Enemy_X) ^5 Z \2 q, m7 f" M0 h, }5 w
- Track_Enemy_End:% t0 K' t' o h1 w
- RTS
! y" A/ j j4 e* s: W+ o* [+ F* G* W -
8 J) R+ \% N, x# x0 ^. L$ F9 n - Track_Enemy_Y:
- G8 H- q% M0 q, _, m# b2 e - SEC
. w1 }$ J) W& {2 a. j- {9 K - LDA Bullet_Y_Pos,X, T! u! V( n) }& d$ B" w+ w" n
- SBC Enemy_Y_Pos,Y9 Q( G# `0 d/ l
- BEQ Track_Enemy_Y_Equal l0 Y/ m( u3 s
- BCS Track_Enemy_Y_Greater
* O9 p* L( @& E" M, i -
: L% D9 Z$ d9 i - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
7 f7 H/ e7 Y( q: o6 [# R& ^5 o1 b - CMP #$FC
! `0 _$ z5 y, ^# t - BCC L1_1
' d9 [0 V0 o! f; j) E" { - CMP #$FE7 @2 H% G- Q3 |9 |' U9 h
- BCC L1_2
4 `. ^( {" X) ^$ D' @, ~1 f% L2 m - LDA #$00
: k$ _, F Y' r$ B0 j# D! } - STA Bullet_Y_Speed,X
+ C. y* M- [; R* K" w, O - RTS
% C5 O% y' V2 Z0 Q( r. X1 C- E - L1_1:
7 f' X2 c3 `/ Y9 X, F4 _ - LDA Bullet_Type,X$ R4 y7 z4 t9 Z& N9 j
- AND #$0F
1 L4 k& J" H; j; K( f' i3 }/ c+ ^ - TAY
1 E5 K& q |2 @4 T* k Q/ o3 m - LDA Bullet_Speed_Data,Y0 Y9 ^- ]% j8 L
- STA Bullet_Y_Speed,X
1 _: B% y& Y! N' B" W" J - RTS j% K2 @! Y1 H0 {+ R9 t
/ X: B- u2 r" z0 |6 ]- L1_2:
1 q: m' T2 s( t7 u1 _ - STA Data_buffer
( e0 S' B" D# G6 E/ U - LDA #$00
2 b! X U0 f, u4 I& S% ~4 [ - STA Data_buffer) m3 |1 f3 _% D4 r3 ^& s! [
- LSR
* Y6 l8 `2 i9 N. u4 y7 b - STA Bullet_Y_Speed,X
& ~1 h+ m8 f8 d4 i - RTS
# t7 x; _- r3 ~1 G2 y
, e7 I: X0 P: N6 P5 y1 j2 ^% q5 `9 ]- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y! d. A8 c/ C0 @% M. f
- CMP #$04. E. Y! J6 N& k: o1 t3 h. g
- BCS L2_1
+ q' D$ {0 s- W - CMP #$04
. b/ m# S" p6 ?$ B5 s( [4 x - BCS L2_2
$ e: {" Y. H# q' D - LDA #$00- c" z% B0 l6 \0 ~
- STA Bullet_Y_Speed,X7 H/ H% }( x, ?2 m/ X
- RTS
( V4 K o3 @' I) E5 ~ -
" h3 C) {! E P5 _- |4 r2 i - L2_1:! N; F7 a* }5 L. y
- LDA Bullet_Type,X% ?/ @/ F* I( f) ^, ]! T
- AND #$0F
+ P7 l/ k! H) p1 A - TAY
) h& v) l$ ~) k, u: A& ? - LDA #$000 R- m+ O" k" B5 J- y: N
- SBC Bullet_Speed_Data,Y( e, N! a+ d& I% E
- STA Bullet_Y_Speed,X" j: W/ M, A6 h+ ~- ]
- RTS
8 L1 h( k. o/ d4 h7 ^- y" J5 Y - " t5 h5 u v" k* G$ a t t
- L2_2:
# L2 o$ h4 l! {; p+ D6 b3 U4 p - LSR
' M8 [0 e7 N' _- d2 w - STA Data_buffer1 O& H1 L* {/ b q" |, j
- LDA #$00
$ [) Q8 \1 |$ ^& H( o S1 H4 w - SBC Data_buffer
3 m& c2 i6 F3 c7 B* o% V0 M# E0 \7 g$ d - STA Bullet_Y_Speed,X
p8 y/ d& x9 f+ j5 r) e+ y - RTS
- V8 {$ u6 V/ _/ f9 S+ X -
! H) `0 m" K+ E% y - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
( x' l: C1 {3 L% t3 Z) o9 z+ g - LDA #$00) m" J4 l) m/ s; ~
- STA Bullet_Y_Speed,X
9 l, f' T3 Q' C+ V% ` - RTS/ e2 L8 D( y$ \' w
- 8 E# l( j# O- ?6 F8 j3 d- O
- Track_Enemy_X:
1 f0 A; }. L6 I( y+ [' J - SEC
~( W* F+ d6 r L! Z+ }- r x$ ~ - LDA Bullet_X_Pos,X) J; [( x5 O6 o: s
- SBC Enemy_X_Pos,Y& G) g3 Z& F- v" F3 e7 _
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X# W9 M# b7 U" w' V w
- BCS Track_Enemy_X_Greater ;子弹在敌人下方5 m3 T7 t4 o% i" `/ e6 B
- % w: H' |" G7 ?( |9 Y
- Track_Enemy_X_Less: ;子弹X < 敌人X2 i$ w$ m! ~/ o+ H6 t* m
- CMP #$FC. ^2 K: q9 a! z6 y5 m5 Z
- BCC L3_1) V6 S1 ]8 ^5 {# G
- CMP #$FE6 s7 q* g; \8 b, `4 N: _2 V
- BCC L3_2; q7 N! U! i, U
- LDA #$000 e' _) t5 B3 m
- STA Bullet_X_Speed,X
. X* t* M7 {5 U: n$ [' e - RTS3 o, N. n# d3 m2 c- t; Y0 g; }# o
- L3_1:
/ u! z- y* J* g8 Y- A - LDA Bullet_Type,X7 V, X4 N. ?* E$ n: E( t9 y
- AND #$0F7 h/ c1 f( r* Q9 s$ y
- TAY
2 l4 O1 t/ _$ j' f - LDA Bullet_Speed_Data,Y/ ^2 [) o9 A7 ~' g' ~
- STA Bullet_X_Speed,X( }9 S+ ]& n& C4 C0 e4 X
- RTS
* | }3 G7 E# S, C - L3_2: ' l. k* s2 k, \$ |9 Y
- STA Data_buffer4 P& |0 C- a" q4 p
- LDA #$00
7 S% Q% q- ~( W7 w. Z; V1 R. Y- K+ N - STA Data_buffer
' d0 v& W5 ]& y3 h( i - LSR; H6 n/ e: Y. m
- STA Bullet_X_Speed,X
( Q; C6 s* C* C3 \9 V3 T% M - RTS0 i6 V% i' B" u; I" J# K
- * D/ f( a0 `$ h
- Track_Enemy_X_Greater: ;子弹X > 敌人X; i! D) ` T& K- t
- CMP #$04: i0 D$ q) c0 O& [
- BCS L4_1+ K! {3 O0 i1 q; t& d4 {; h
- CMP #$02: A/ _5 T* D$ F' m
- BCS L4_2# u9 p3 u& o6 }( C5 J2 J
- LDA #$003 U ? E3 a0 E: B$ M; x" g4 i$ L
- STA Bullet_X_Speed,X
8 @5 V: m% A7 M. j, R - RTS
5 J9 P% q; }1 l3 w - 8 |# V X1 ?' I+ r/ s8 `
- L4_1: ; N8 ]+ A/ P5 M$ {8 _1 {/ K( x
- LDA Bullet_Type,X) s6 O) {4 x: b6 ^/ U8 v: z( k( ?
- AND #$0F( s; z, f3 H O+ H% Q2 |) z
- TAY
1 n2 ~5 g% r- n1 t, L4 w - LDA #$007 S, H8 j6 j" C3 n+ N. e
- SBC Bullet_Speed_Data,Y
- c- O0 W9 c8 I0 V0 c6 @0 U& A - STA Bullet_X_Speed,X8 r9 L) m( L& Z$ |' a
- RTS' c7 r8 @5 e4 V
- L4_2:
" P7 @; ^2 x: i - LSR- A. q6 Z5 V' x! n! x$ {
- STA Data_buffer1 Q/ ]. R/ R- A# f9 w
- LDA #$001 \- _4 x% u2 w8 `0 d
- SBC Data_buffer" M$ @1 m' ^) P/ W3 C
- STA Bullet_X_Speed,X" i- P# Z2 J9 [1 Y, | p
- RTS' g+ B# l n/ q; g% ]' }
- 3 ^ i5 e+ L; @( b0 p. j$ T
- Track_Enemy_X_Equal: ;子弹X == 敌人X
/ N; B. E& `5 M - LDA #$00
/ F0 |7 t. A% T8 c - STA Bullet_X_Speed,X" u' S1 H! l4 x; I
- RTS8 [, _6 G7 ^1 y) ~9 b( r
-
: X/ @. ?+ L# L A+ x - Bullet_Speed_Data:
8 U% L9 S; C6 J6 B/ T" C O/ _ - .DB $00,$03,$03,$02,$03,$03
' _9 r6 K# e* F, k1 _5 y -
7 ~: Y" ]2 s* X - ;2, 4关
* I9 n* u; \! @, M' Q O5 W g - Track_Enemy_Ex:
; P* a# C* ]( Y8 n. ?5 m' c( p+ a" x7 o - LDX #$0F i) N4 {+ B: p, y) Q5 x- X
- Track_Enemy_Ex_Begin:
/ r( D6 K) n/ E5 {7 o
& k) ]% z s A8 x1 D- LDA Bullet_State,X
) `5 z. ~8 F7 L0 J n5 }* L( j - CMP #$01+ f8 D. d* P( c2 R& K- O( n
- BNE Track_Enemy_Ex_Continue
% J: G: O7 q; N% a$ ^% F -
4 f4 u* I! G7 u: E - LDA Track_Enemy_Index,X% r" O! h0 b' {/ H9 Q; f
- CMP Enemy_Index
6 E: X/ y" c2 q0 u3 n8 H1 i - BNE Track_Enemy_Ex_Continue ;匹配追踪目标* k0 }) h K8 z, H" S5 |( t
-
7 Y/ b& Y# J' a - LDY Enemy_Index8 @# P% s5 _% D4 F& o, Y7 A
- JSR Track_Enemy_Ex_X9 m$ k. Y" m) V* ~7 U/ U
- # s/ G9 K4 d' i
- Track_Enemy_Ex_Continue:
) x, I( f$ H. Z7 h; \ - DEX3 g9 U* b. ~# {6 T/ p- G$ v; ]
- BPL Track_Enemy_Ex_Begin; ]) W& f$ b% p1 C' k
- Track_Enemy_Ex_End:' P" l/ [8 o& G9 L1 f! s+ E# x
- RTS' V! i3 J$ E+ u& r: ?. z
-
% x- ?6 @- [" N! [# i0 z - Track_Enemy_Ex_X:( z9 }" k& R" W9 Q. u7 b3 F" E
- ;LDA Bullet_Z_Pos,X
2 E' @, f5 g& _2 Z$ `4 ^ - ;CMP #$04/ n& S$ t. V8 n0 H
- ;BCC Track_Enemy_Ex_X_End0 U% s0 j' X4 @& r% q6 S; Y
- SEC9 j6 w, c( A7 O8 D. a: I! J% ~' [- h
- LDA Bullet_X_Pos,X
$ v6 e# K! l8 ]) w - SBC Enemy_X_Pos,Y
; y. Y8 h% C) N1 y - BCS Track_Enemy_Ex_X_Greater
- v4 {9 h$ H O+ G% F' H -
$ o- n8 o$ }* X - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
$ o4 |( m& N) @& C+ D - CMP #$FD
- s1 a1 F+ |# g4 t$ t! X - BCS Track_Enemy_Ex_X_Less_End( B0 t; V4 `( p; d
- LDA $6020,X# S ]0 n$ F% H/ a
- CMP #$2A! T6 V8 c7 ]$ m# F( z1 [8 @
- BEQ Track_Enemy_Ex_X_Less_L1
7 r, F0 H' D6 Z B- C - LDA Bullet_Z_Pos,X
5 u# }. L& s7 n' l5 _+ n4 H5 e - LSR7 c! u& [1 R: s- H& e
- TAY
& ]+ q/ K/ R! m M4 M# @* X( I - LDA Bullet_Speed_Data_Ex_R,Y' C( \# h$ K2 Q0 Q
- STA Bullet_X_Speed,X
) C' o$ }: M+ }0 }. H4 @ - RTS
, e$ H' ~7 {# V* `7 }( e - Track_Enemy_Ex_X_Less_L1:8 H+ T, a4 J) M
4 q' P8 t8 O7 L: O+ m- LDA Bullet_Z_Pos,X
q! [ a$ y) A, L% t- \/ E - LSR- x7 f! f; K$ G) [6 v
- LSR
2 O8 J I0 c1 S2 } - TAY7 p9 \2 D3 p# k& Z
- LDA Bullet_Speed_Data_Ex,Y. C3 N$ I s5 G0 G4 ^4 m6 ~0 p4 l
- STA Bullet_X_Speed,X: }$ E q8 j' u6 q
- RTS
) K0 _( W" y( Y6 c; d - 0 v0 H1 a2 K- ~7 r
- Track_Enemy_Ex_X_Less_End:
1 a: C6 e( W7 A a* a$ v5 P - RTS8 ^* @& b6 d6 n0 t, b1 s, n
- ) I( W; {8 N7 Q0 ` ^5 J' U! I- j
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X0 q5 Y! M4 N3 h* D5 H
- CMP #$03
) C5 o4 }* g/ k' t2 x' t" C3 F" m - BCC Track_Enemy_Ex_X_End% r7 F& E# i; l/ I6 n
- LDA $6020,X
- S# E8 ]/ ?; T1 h - CMP #$2A2 i1 |" _2 m8 g* a
- BEQ Track_Enemy_Ex_X_Greater_L1
5 v6 `4 |5 P3 A- @( _7 ]2 }) L - LDA Bullet_Z_Pos,X
9 Q( c/ b) H' R- t7 _7 s - LSR+ M- k7 |; f+ e$ X
- TAY
" \7 `" z, c3 l2 |9 V - LDA #$00
1 T4 H& H2 U2 v; S4 U - SEC. N. C6 m2 U( w% D" k+ e! q3 G, w
- SBC Bullet_Speed_Data_Ex_R,Y2 R2 H( v5 H/ G2 @9 v6 \' j
- STA Bullet_X_Speed,X
+ e) T! K+ O; l- U- f - RTS
6 x8 L1 L- T3 h5 E2 v7 u3 e" M -
& P& Z. C7 r F! b4 b: ~ - Track_Enemy_Ex_X_Greater_L1
7 T1 _* P) u" d5 q - LDA Bullet_Z_Pos,X7 G, b, n7 Z8 M2 u9 I
- LSR
7 q; y) h' {/ a: @ - LSR
* |! K& }- X# s% q" S& I& O& D - TAY1 D1 ~. T1 U/ Y. r& G7 V
- LDA #$001 A3 r1 w1 ]7 r3 E$ r3 M
- SEC
) r9 N& d7 E4 J8 |9 D4 }+ [* h* F - SBC Bullet_Speed_Data_Ex,Y9 d2 X9 s5 M; P7 _7 h8 [/ I& w
- STA Bullet_X_Speed,X) W) g5 P% h2 B1 j4 s, a' a
- RTS/ |+ N# t, x$ N& X
- ( d+ F2 l% y) i" E- ?4 @+ p
- Track_Enemy_Ex_X_End:
1 w+ y7 P% v% _" R; A - RTS
j& J: U( v& \! {6 B) v -
, q) |0 T' c' x* b - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下). p1 \$ P. K& @$ ~
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上1 ], G# u/ u E7 _
- Bullet_Tract_Direction:: J0 j" l5 l4 s, A
- LDA Bullet_Icon,X
$ J1 Y( \8 P, K* `+ }6 U% h - CMP #$23
1 y% W, r# }1 B - BCC Bullet_Tract_Direction_End! K5 e- D- O% v, D% H
- b7 L T8 y; S& s( d2 H1 C9 G4 N
- ; X != 0# ~/ F1 s8 v2 r% |3 P% D k
- LDA Bullet_X_Speed,X( N- w- f- ]+ q* K( L* `
- BEQ Bullet_Direction_V
+ h+ ?) Z0 [# S2 e& M. ^9 H8 S' e9 q -
3 g# z5 q3 n6 o Y& q - LDA Bullet_Y_Speed,X2 G5 F' H# Y2 H( c/ h7 g) n4 }/ W
- BEQ Bullet_Direction_H5 r% f% v( G) g7 w! _
-
@6 F8 X( Q) C. \* U* U: L5 ]' ^ - LDA Bullet_X_Speed,X
: Q$ u! M8 n8 x9 H0 n - BPL Bullet_Tract_Direction_Right
8 x, L2 b: _$ Q- {3 a' ?$ X4 Q - Bullet_Tract_Direction_Left:6 M+ e& e7 |0 L% g6 [
- LDA Bullet_Y_Speed,X7 p R/ c9 t( c/ k
- BMI Bullet_Direction_Left_Top
" {% g" i) p; C! Q% `' M7 r4 L. \ - BPL Bullet_Direction_Left_Down+ D: ]8 [% i$ p5 ]: Y$ [# Q
- Bullet_Tract_Direction_Right:! N, W2 g0 V" f- x% i
- LDA Bullet_Y_Speed,X$ g/ D1 h, a& Q" I" s4 }
- BMI Bullet_Direction_Right_Top
+ h3 o) u3 j5 o& t% `2 r - BPL Bullet_Direction_Right_Down. S6 r+ P3 d4 {6 }# j' r
- Bullet_Tract_Direction_End:, l* A$ l+ s5 j+ V
- RTS) @& K4 o, t$ k7 y* l0 k# F3 L
- - [( c$ C$ W( Q8 c1 O* c9 ]
- Bullet_Direction_Left_Top:
5 {1 Z: H6 k( ]1 n8 K - LDA #$25
; l: T& q; W1 ~8 c - STA Bullet_Icon,X
/ d$ ~3 G4 `* N5 k% G4 P - LDA #$C0
; Q/ b. N# r: u- p5 H - STA Bullet_Direction,X5 u# }4 L8 k9 J1 L
- RTS' b& v: J* V6 \5 N
, L. ^. L* Z, G0 \7 ?3 D N* C; k; _- Bullet_Direction_Left_Down:/ H/ K; f+ |! ?+ E
- LDA #$25- y( u$ `0 T$ B( j) e' S; z
- STA Bullet_Icon,X
$ w, M% u j w - LDA #$40
, ]5 Q' s0 _$ W: Y1 N - STA Bullet_Direction,X
' B( S" _- ]5 b- b1 k - RTS N5 m# V" `+ N, y
/ \6 Z2 o% w+ M- Bullet_Direction_Right_Top:$ v6 [3 Z+ s8 e; z
- LDA #$252 P- {, p2 U* {7 T; ?- s* P2 u
- STA Bullet_Icon,X
# U# O+ r, k% {( x" u6 F0 | - LDA #$80
* U5 y& V, l( x9 }" K7 f5 e - STA Bullet_Direction,X
7 |) d6 ^( f# i2 F! E$ K' S - RTS
/ Y" v. }$ o2 r
; f/ u2 D2 y" H3 b3 |! D" h- Bullet_Direction_Right_Down:5 e9 {8 f4 t6 ?% T; R0 e
- LDA #$251 ]: M: K$ m* t* r
- STA Bullet_Icon,X
, m4 H% E1 }. P7 h/ u - LDA #$00
2 W, A7 y4 J, q& e+ V$ U - STA Bullet_Direction,X- G6 E' x$ s4 V* o- o% v. Z
- RTS% f* _5 w, G9 U& R" i! o
- 7 Z/ Y p( p w& T) d5 v
- Bullet_Direction_H:0 C) v/ I9 X/ T7 i
- LDA #$24
% _$ }$ A6 s9 R! m - STA Bullet_Icon,X
! Q7 A7 }4 T1 ~( ? - LDA #$00
4 Z) q! m0 l$ U- p - STA Bullet_Direction,X
9 g7 L0 e: l; @3 X2 R5 Y. B, N - RTS/ D' B. u1 Q' j1 x
- 0 |5 }* U0 s1 R2 y( W6 k0 N
- Bullet_Direction_V:0 L1 i \4 {) {' Y. t9 w
- LDA #$23) c; U w& d' H; h
- STA Bullet_Icon,X
0 {- F V/ c. M - LDA #$00
9 X/ }+ o6 J2 [ - STA Bullet_Direction,X
9 O- A9 l# i/ @/ N - RTS4 `2 g, [+ G5 r
+ [8 G8 \8 d- d- P$ `1 @- Bullet_Speed_Data_Ex:
: u, C! j- E& @7 n) r" A; c - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04. i( t$ E% e0 f0 Q3 T
- ) l) l+ G# q3 H4 N
- Bullet_Speed_Data_Ex_R:6 e1 f! ~ ~& U
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08+ |2 g/ M& \" n! \, V+ \
-
复制代码
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