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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30+ ^0 S1 Z f- r' }9 `4 ?& ^3 h
作者:FlameCyclone
5 B v4 e6 e" D( U内容:
$ |3 e- H% _) T 1. 所有子弹追踪敌人
6 w! r' n+ B& O) y 2. 选择键切换武器2 f8 \6 c- z! z0 j ?
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' i0 m z2 W. c% b( [3 h
7 @1 W3 j5 _- M* b
flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. T3 @8 l0 V! o - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" l8 ?% ?6 {; _
- 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)* v& ]. ^ j& |" F ?" z, E
- + c# J9 R' u. P, Z. v% `
- ;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)
2 S u/ f# _- }: P4 I9 @: h - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
7 D3 C, z) j' T( R# V# i h
8 ?1 d; u/ _9 w- Track_Enemy_Index = $6000* c$ W' G+ N: O" Y- {7 |
- Enemy_Index_Begin = $6010& M* c; P' l: S5 A L$ G
- Enemy_Index_End = $60118 H4 a5 `* S6 N! g9 m4 m
4 E% U, c8 _) ^3 e1 T: J- Loop_Index_I = $6012" c( H5 D1 r, F
- Loop_Index_J = $60135 i- l0 D- ?: ]6 B j7 A; \
- nEnemyIndex = $6014+ B% `: X$ p4 y/ {. w% h
- Data_buffer = $6015' X7 H) K% r B9 i- y1 q
- " ~* Y( l# G: l$ t; F5 A
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标& ~3 R$ }( c3 |5 ]
- Bullet_X_Pos = $03C8 ;子弹水平坐标
& R- P0 v' }8 L/ u' P* @5 Z - Bullet_Y_Speed = $03F8 ;子弹垂直速度
: T# \) J# W0 z* X, y1 R5 | - Bullet_X_Speed = $0408 ;子弹水平速度
. `! ~5 s- ^7 R0 [7 i. S2 W' {+ M - Bullet_Z_Pos = $0418 ;子弹Z坐标
3 [) T3 `5 m1 C/ B* L - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P; ^# ? J) f* ~1 f* r
7 I; N$ z$ L) G |+ s" m- 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
7 A' [* K7 \- {; k- e - Enemy_Blood = $0598 ;敌人血量
2 P, [( L+ t/ A& X3 ~ - Enemy_Type_Addr = $0528 ;敌人类型
1 b" p8 k' j; ?2 [+ Y - Enemy_Blood_Addr = $0578 ;敌人血量% x J8 g& n% F% w, U
- Enemy_Y_Pos = $0324 ;敌人垂直坐标& O# O# G7 z1 ?; `. J ?' G- t
- Enemy_X_Pos = $033E ;敌人水平坐标; ^, S; a# L5 M& r7 v8 Q6 p
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
8 @& l: V$ [. s& m- Q0 x% I& k ] - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
& K- b/ C$ \1 ?+ B2 j - ! @6 B9 a/ m5 ]9 E
- Enemy_Index = $83 ;
* x6 ` G, k. h* t - Time_Count = $1A3 _, H, ]& j( s( e( u+ Y6 b8 \
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
) w9 p. A6 ]2 @ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率6 u0 C' _& `8 M }- [1 K
- 0 W0 B- r$ R n" f5 h
- , ]/ l; E6 L6 W: ]6 r& R" g/ c% i
- .ORG $61009 ^2 _7 g3 g) _
- Process_Begin:
A6 H8 {6 K* x - JSR Enemy_Check
; X& a/ D) y# N( K9 t4 F3 \ - JSR Track_Enemy_Check0 d1 c! @: t; Y
- Process_End:
7 o/ M! _7 {! S V( l. r; ] - JMP $E54F* \+ k0 Z; H: B% A; ]+ I% K1 g
$ ~0 }# }3 k. ^0 K4 l, y- Enemy_Check:+ N9 ^* C7 L; b" ^! x! t
- LDA Time_Count+ |' ?% t0 s/ m2 D( w& Y2 ^
- AND #Track_Bullet_Speed1 |. p- b! y. y
- CMP #Track_Bullet_Speed1 N" C4 U/ Y+ T. h8 s: p
- BNE Enemy_Check_End" S+ D; d7 g) g
- LDX #$0F- i& z, o' w# A6 p* E
- Enemy_Check_Begin:4 k+ T4 [5 c( K5 t
- LDA Enemy_State,X
# l0 u% N* e) ~# Z) q% r% U - BEQ Enemy_Check_Continue, ]9 p3 A; X& [. e( x# |- U( }
- STX Enemy_Index
- \. v$ ]& p1 N' A, B - JSR Find_Begin_Enemy
; H1 b; y8 n1 [3 k6 K; D" ?# i - JSR Find_End_Enemy& z6 v0 ^- j l; `" d7 u3 S; i5 E# c/ {
- JSR Bullet_Track5 w7 K1 h3 q; i: ], o/ }; W: g$ h
-
" A0 x& I5 }% {/ Q6 m9 R - LDX Enemy_Index
3 v/ g: F7 ^1 }1 ^ - Enemy_Check_Continue:2 r% s1 p( L# }
- DEX
7 q% F3 I- a/ ~" M' I; Y - BPL Enemy_Check_Begin
; e9 T; j* `9 c$ w0 x& q. x - Enemy_Check_End:+ c9 a. T+ h) f
- RTS
1 U8 |6 |: D& R$ W/ {0 h, x- C ~/ E -
) {$ ~) o( C4 z; j - Track_Enemy_Check:
2 {; u, B/ E3 a% J - LDA Time_Count
8 W. U. p7 r4 o3 z \$ M2 C/ t( B' f - AND #Track_Enemy_Speed0 y9 S, e' Q4 v( L
- CMP #Track_Enemy_Speed
8 a* x q! _- V8 ]8 \ - BNE Track_Enemy_Check_End
( h+ V( d" g- | - LDX #$0F7 B7 b6 c j; `3 Q
- Track_Enemy_Check_Begin:$ s' G5 f9 o9 u
- LDA Enemy_State,X
- V1 J9 P& y& I. j* d; |4 S/ ? - BEQ Track_Enemy_Check_Continue
; Y3 ^& t2 m5 X. ` - STX Enemy_Index3 z0 X2 g8 }1 M# d
- ) B% c8 d( I4 G9 v$ Q) j- p
- LDA $402 J' [& d# C) |7 W. ~; T- \. q! V
- LSR
- X( N0 Z! k5 P# y2 E4 D9 T - BCC Track_Enemy_Check_Begin_L17 Y% ]9 G/ ? \, R* ]5 r
-
3 C# B1 H3 @. r! ~, J - JSR Track_Enemy_Ex ;2, 4
7 J6 m" X Q8 A9 A* G - LDA #$00
! O/ u4 v$ b9 |3 _1 { - BEQ Track_Enemy_Check_Begin_L2; a w# ^9 E g( _& n- @9 s6 `
- # U- V+ L, | w$ H3 e
- Track_Enemy_Check_Begin_L1:+ E4 a7 Z8 Q- M! o
-
0 z1 s t4 Q9 x2 C* t8 N - JSR Track_Enemy; m5 {% n6 g* N, ^: Q
- 6 O' w' j' m: w& q; ?( H
- Track_Enemy_Check_Begin_L2:
: ^' I; W% i* } -
+ X7 X6 Z2 q/ P @: T4 m - LDX Enemy_Index/ m% o% m1 g" p7 |
- Track_Enemy_Check_Continue:
$ Q2 A8 ?; G% G - DEX
/ k' i# K- M1 F1 Z - BPL Track_Enemy_Check_Begin, @1 C) Z1 O5 K
- Track_Enemy_Check_End:
9 x: \4 s( S- g# A* B - RTS
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/ h, o: i8 w. d- ! E0 t' _$ W2 X3 s
- ;查找第一个敌人
& X! E! y2 M& v: [ - Find_Begin_Enemy:
% l8 F7 r' A, ]8 f7 d - LDX #$00% T! g0 M( z e X" N
- Find_Begin_Enemy_Check:
" g! z u; r: N - LDA Enemy_State,X
2 w0 i) `( ]; a) D8 f1 X7 ] k0 ? - BEQ Find_Begin_Enemy_Check_Continue5 a T+ e+ \& p) r
- LDA Enemy_Blood,X
X3 Z, G5 I7 w j$ r ?$ @ - BMI Find_Begin_Enemy_Check_Continue3 F: j8 W. z1 l6 ` t
- BNE Find_Begin_Enemy_End+ f; Y2 t& ~! t' O, K( ^$ {
- * v9 V9 x' c0 I$ A, ^* \* A+ M6 b
- Find_Begin_Enemy_Check_Continue:
3 E9 B1 |- \% `" P - INX+ U" c6 D% Q, c7 ?9 N4 A
- CPX #$106 b: w0 {" K+ z& A2 m
- BCC Find_Begin_Enemy_Check
& {* ^3 R0 M8 _% I# j4 T- x. Z - Find_Begin_Enemy_End:1 C7 Q& ~4 w0 Z
- STX Enemy_Index_Begin$ y" O9 `! ~* E3 k8 y0 O
- RTS+ T: G8 x9 |: c4 B# i
- 5 A) }! O) X% |1 Z* m d
- ;查找最后一个敌人: ^) D2 n& D1 N; l/ _+ s* U4 |/ l
- Find_End_Enemy:0 J$ \, `, F$ W5 S) S3 `6 W- ?! |
- LDX #$0F ^9 Q( ?! Q! d5 ?( b; r
- Find_End_Enemy_Check:
' ^ ~6 q4 u+ o, z K- A0 W - LDA Enemy_State,X4 Y0 ^/ f4 O5 d( Z, n, v9 a$ t
- BEQ Find_End_Enemy_Check_Continue
+ y% `' j! f9 ~/ ^% u) |2 P - LDA Enemy_Blood,X; W9 c( W9 d0 I8 J
- BMI Find_End_Enemy_Check_Continue: q6 r0 N2 u- R7 C( S
- BNE Find_End_Enemy_End: ^- ~) B0 m/ r) ?) }# D# K: g
-
5 u. P% L; G- H/ [4 ^, q4 y; @+ Q - Find_End_Enemy_Check_Continue:
% `9 ]2 I6 o. o; o1 B3 a - DEX \. ?9 ^$ k& s' I
- BPL Find_End_Enemy_Check2 j, r, c5 y$ @" T' z
- Find_End_Enemy_End:% z+ v9 x# E/ g! {
- STX Enemy_Index_End
! P4 }+ i2 T, s( D4 m - RTS [; e. w( h; g7 R! a& I: X5 m; d5 m
- , [0 T& N" i5 k1 h; z1 I T
- ;子弹追踪6 f$ ~9 v, G$ G$ {
- Bullet_Track:
- g7 j$ I" m+ s - LDA Enemy_Index_Begin
/ d Q: J4 {: } O( m. G - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
9 }! t# H/ b% X - LDX #$00 " j- X4 J1 M3 X! b
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)" v$ s1 k$ ]7 m3 r' f
- LDA Bullet_State,X8 N" A; P% Y5 ~! A8 h$ _% h! F
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;2 q# P/ [3 A1 b5 g+ [
- STX Loop_Index_I
8 i' x: w8 C, | {. N -
$ `6 P# R4 k3 F - JSR Bullet_Track_Enemy
# ~' ~9 e6 o! X# G) }6 e - JSR Bullet_Tract_Direction
- q3 V$ C3 y Z# \0 D* G# h1 N - : ~& y4 L5 U, Y$ E& 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( m2 d0 m8 t9 E& M
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
. `) V _' e8 n& ?8 k$ }" \# X - LDA nEnemyIndex
, \; E7 f3 E! R9 |+ ] - CMP Enemy_Index_End
0 Z9 @% A7 n3 {/ l - BEQ Bullet_Track_Check_Continue
0 a3 `+ Z! @- g4 `% e0 x6 h - BCC Bullet_Track_Check_Continue
& I9 x7 Q% S6 u8 e - LDA Enemy_Index_Begin5 l/ L# U1 N7 O6 M7 L
- STA nEnemyIndex
; N: x' v5 Q, l& ~ - " q# ?+ V. ^8 M H4 ^8 j
- Bullet_Track_Check_Continue:
: h+ C( }2 F: K f - LDX Loop_Index_I
) P! ?( P: }# N" l/ y7 ~ - Bullet_Track_Check_End:
3 i( s2 x2 N1 V% c8 f3 h0 } - INX- X f( q b( |) K
- CPX #$103 s% @4 F6 [7 R
- BCC Bullet_Track_Check
( ?/ x1 d; N1 o2 s* o. Q - Bullet_Track_End:, z9 c9 \$ z% N& ]) y8 a5 i
- RTS
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) v, O3 O, S5 M) }( t, x; |' _; [8 ` - ;给敌人分配子弹
8 Y. K1 l: w; Y5 m; N% C* F - Bullet_Track_Enemy:" j6 z# F9 y) p9 o. x$ H
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
( ?" I" j8 B. U- @0 H* H - Bullet_Track_Enemy_Check:
& L' |6 z% o; t( I! T - STX Loop_Index_J1 w* [( N' U' L, ~9 v
- " R* n4 i8 m0 A* J* w
- ;if (0 != nEnemy[j] && -1 == nTrack[i]). q9 x L! o$ l/ f& t
- LDA Enemy_State,X7 a1 d" p4 ^9 Y4 H. J
- BEQ Bullet_Track_Enemy_Check_Continue9 ^. H3 C3 p q8 X6 C* L7 H
- LDA Enemy_Blood,X0 V# X, }7 |- y6 U7 D2 C- O
- BMI Bullet_Track_Enemy_Check_Continue; }9 g5 O r. a) N
-
) r& ~! Q" I( D! x- w3 | C7 x- P - LDX Loop_Index_I, s( m+ Y7 t( ~' J& ?
- LDA Track_Enemy_Index,X1 @; G6 u( q# i" E# U5 X* {
- CMP #$FF
( h+ E( p% l4 S8 h, G1 h0 X - BEQ Bullet_Track_Enemy_Init
: U1 t7 ^& O, P4 \2 n) I - 3 \$ b1 l0 ^4 f1 K, Y/ H3 \/ T0 h- t s
- Bullet_Track_Enemy_Init:
: H* ~& Q- ?4 W. P) u - LDA Loop_Index_J7 I; P1 k$ U4 C2 ?
- STA Track_Enemy_Index,X ;nTrack[i] = j;
# W4 O G; l3 p3 q3 I8 g2 T, I! _ -
1 m. y3 p! {9 Z) K$ |0 K$ P - STA nEnemyIndex
+ B, k, H2 }9 x+ ?1 R3 ]' e - INC nEnemyIndex ;nEnemyIndex = j + 1;$ [ v. `% P2 c$ m! r% M, v
- RTS ;break;! H+ c' |8 X# _
- : W% y- X( Y3 x, I$ w {
- Bullet_Track_Enemy_Check_Continue:" ]* d8 j9 H+ b, A2 F% |
- LDX Loop_Index_J
$ W0 _6 x! Q) T6 F% R - INX ;j+++ K9 d$ O( U* c0 k1 C
- CPX Enemy_Index_End
& Z9 n# ]8 U, N: ~0 O! s q! v - BEQ Bullet_Track_Enemy_Check
; {' F$ g" v# L1 r- k# M( @ - BCC Bullet_Track_Enemy_Check; f9 b. k( l# b2 s6 I! |
- Bullet_Track_Enemy_End:( l1 w, p0 ^2 V
- RTS# e6 F: y+ l) r4 M4 D! m( p
- # G6 H5 }; S% \- W
- Track_Enemy:
0 @# f9 C$ j& W* u - LDX #$0F
+ M, ?: X( ~2 ~' b' A0 ` - Track_Enemy_Begin:4 }0 ^( Y1 Z) q) Z# f
- LDA Bullet_Icon,X8 T- U1 R3 D& U2 T5 f* K
- BEQ Track_Enemy_Continue* B! M2 G3 E1 o1 V9 O) S) x% P
- LDA Bullet_State,X
U" K5 j8 T0 i; r; s6 r8 t- ~2 E - CMP #$012 g) H0 ^5 T) {+ G5 L& k* _
- BNE Track_Enemy_Continue: d% K( G& t- @5 N7 |' o/ L8 Z/ S
- / x' j* \! a4 X) d: {9 g$ k
- JSR Track_Enemy_Process
% { t7 h$ z/ N( P -
, k. S b9 M: S/ q+ k - Track_Enemy_Continue:
0 q6 m2 k, c$ i/ X' M1 g - DEX
/ W) h4 F9 P2 _3 _* n - BPL Track_Enemy_Begin
: c8 p& h2 ]* w% o/ f - RTS
, r+ D+ n: M4 l; Y - 8 e5 z3 p6 O) Q: I
- ;普通关卡9 t5 \% f0 U* G0 w- Z$ _' Z
- Track_Enemy_Process:' |" k0 ?2 c6 j& f7 c
- LDA Track_Enemy_Index,X
# V) k6 `- D* \0 W; @1 {: M - CMP Enemy_Index
8 A% V' m2 V* [4 ]+ t - BNE Track_Enemy_End. A, M' b$ o( z3 Z u
- LDY Enemy_Index- z7 J3 }' l z4 S
- JSR Track_Enemy_Y* _7 ~/ R2 i) S
- LDY Enemy_Index$ h2 ?) T6 M: C" J4 b8 f. |
- JSR Track_Enemy_X
4 ~7 U8 ?5 {: P' |/ x5 e - Track_Enemy_End:
- c% q' T6 s6 l! I6 a4 { - RTS. c7 b k* E, y1 E% t
-
$ p# Z H- V; R - Track_Enemy_Y:9 S7 `4 K( h% h% b0 V
- SEC! z u! }% O9 y8 P
- LDA Bullet_Y_Pos,X
5 X8 N+ V8 b' C' S5 N | - SBC Enemy_Y_Pos,Y
2 c; p. E1 ]% y6 G - BEQ Track_Enemy_Y_Equal0 A2 t( X; f; K1 o- k
- BCS Track_Enemy_Y_Greater" f$ l! d1 \( K0 A, w: _
- ! W' | r. h+ ^# X8 G
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
0 e z. H6 i( Q5 _, W4 l3 Q - CMP #$FC
- v7 `; b9 ^* ]' c9 k" W1 G - BCC L1_1
7 H! s) l5 y, {" e. a/ m/ P2 V - CMP #$FE
' @- h8 T* x' S - BCC L1_2
1 x3 ~. j* W( D5 W - LDA #$00
; s8 ]" _$ a( n6 x# @ - STA Bullet_Y_Speed,X0 ]# `0 i. e7 w$ B. d A
- RTS
! l+ ^+ `1 z8 A6 z9 ?( w# u - L1_1: ; Y/ x6 m+ a$ G! O5 v
- LDA Bullet_Type,X
* U: I3 {2 A o: j - AND #$0F, N9 f7 j% H& U) {! N
- TAY
7 t2 D5 b) p/ |& Y - LDA Bullet_Speed_Data,Y" q- Q! j8 H$ O/ S. H' N5 [
- STA Bullet_Y_Speed,X
7 q8 ?( {0 D4 ?0 v$ G: ` - RTS7 F5 _; h1 k% T y) c) x9 j; o
- 3 s& z4 ^5 m' K4 m$ X
- L1_2: 4 H. B9 y: i3 q
- STA Data_buffer0 V9 S; U u" m/ l! p$ W
- LDA #$00$ s8 m4 t x; t5 _: U$ {2 c) p
- STA Data_buffer" L# l1 c9 i& R, B3 K
- LSR! e1 S& F2 ?) v2 A( Y$ C8 B
- STA Bullet_Y_Speed,X8 f" I, r" ^$ m* V3 \
- RTS! T& q/ C" `4 Z
- $ X1 L+ D# b1 K$ y' j
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y" Y' a+ A9 Y+ k: H, S; [$ u
- CMP #$04
& B7 b' E4 P$ m! z - BCS L2_1* h+ u& U( X# A) A+ e3 C
- CMP #$04" O x" p1 |0 Z1 t2 G
- BCS L2_2
- ?: K A5 b: A8 c4 f - LDA #$00
& q& V( _" L. r7 l3 v1 B3 J - STA Bullet_Y_Speed,X
0 N0 j* `, _$ |6 D/ L - RTS- l4 e" z- M- c# X5 g8 A* C& `
-
5 ~ G$ M* o$ r. ]* R2 k - L2_1:
/ j, C' C" G7 O# h F - LDA Bullet_Type,X
9 g, t1 s- I% U0 P - AND #$0F
( A) ^* B% J$ ^5 ?# g. u6 `4 c - TAY
/ R( j. J) f- Q$ e. \" y2 e - LDA #$00
: M' T$ E9 a6 E$ c - SBC Bullet_Speed_Data,Y
4 \6 P6 `* l ]5 f( s - STA Bullet_Y_Speed,X
9 e" f5 s* Q9 r$ Z1 c4 L+ W - RTS
% p) ?, u4 @4 `6 Y$ D* [ - ) V0 C4 X4 e1 ^8 j
- L2_2:
6 K: w( _. s! e5 F* y- A - LSR
: K8 w, [8 V J- H% h& l) n - STA Data_buffer
- d9 g- \, B9 l: i - LDA #$002 }2 R/ i) @3 m7 o
- SBC Data_buffer
% }1 v! n5 t* P4 j6 j - STA Bullet_Y_Speed,X% A' t& I$ n2 B8 c
- RTS/ {2 J0 G3 ^+ v: [
-
7 z6 s/ E# A' u1 [% x - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y; p/ ^! X0 W4 G6 ?' K
- LDA #$00# z* o3 k0 L2 L5 x0 N( j. _
- STA Bullet_Y_Speed,X4 ?: H+ S8 s0 C2 i& i) I& A% q
- RTS1 m& ?+ j2 ~% e' {
- ( K+ s8 J* p& z) O
- Track_Enemy_X:. D4 N: ]% c4 y7 [/ |* _& X0 s3 b
- SEC* M$ V* Z) L, ]& }
- LDA Bullet_X_Pos,X
8 j& [6 u: X5 F9 F& o' n: x - SBC Enemy_X_Pos,Y
$ h; z& I _, U Y" c0 ? - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
: g5 N, h( F# @% O/ N+ _ - BCS Track_Enemy_X_Greater ;子弹在敌人下方
0 x' W1 Q& P; V1 \: S) M; D - 9 R7 y- V7 U) C+ y* _& ~8 h$ Z9 {
- Track_Enemy_X_Less: ;子弹X < 敌人X
/ h. Z7 S9 r- k, O$ y- d" _' Y9 H - CMP #$FC
% Y* u+ T8 u$ e4 l+ [9 [& \ - BCC L3_1
( Y% T5 S$ A. G T - CMP #$FE" {% R; }8 C% N" x8 w
- BCC L3_2
) x. f: }6 S: r; @5 f$ z, w+ j - LDA #$00
, Y% x7 S. ^- W/ u - STA Bullet_X_Speed,X8 b$ u/ S: H/ d# \( [
- RTS" z. p) h o) u, `
- L3_1: 7 l2 n2 R, `& }! m7 {
- LDA Bullet_Type,X+ H% s6 O! f4 s% v/ l1 i
- AND #$0F1 z- j( Y0 Z4 j3 o
- TAY, ?- O' }$ V A" g
- LDA Bullet_Speed_Data,Y
2 @: T# v- ~3 K* ~* @ - STA Bullet_X_Speed,X
2 x- X( V# \2 a/ P - RTS
( x* u7 G- T6 _" }0 ?8 M. `4 G - L3_2: ) K- _# t' f: N7 S8 Q+ v
- STA Data_buffer
% p. C e9 T |# L, b - LDA #$00" o7 B% U J0 s' `# h% t9 @
- STA Data_buffer
2 {7 ^0 `6 ?2 t: b- ^0 V - LSR
% N. F9 O2 y, T& i - STA Bullet_X_Speed,X- a1 c' i7 H5 u( ?6 A9 v: K# x" @
- RTS
0 r* u2 K8 f; l% r4 p$ D - 6 |5 `% z& F* u
- Track_Enemy_X_Greater: ;子弹X > 敌人X# g- K8 Q; ~* i8 A
- CMP #$04
) S3 u$ x3 U8 t' I" Q - BCS L4_1: ]8 o3 n7 Z6 Z
- CMP #$029 ?/ j. P7 ~" b% o9 ~) \7 z
- BCS L4_2
' K, B* F2 n2 B" |" Z( J - LDA #$008 T4 q' ~$ Z8 N5 e. I+ L7 o
- STA Bullet_X_Speed,X
0 A/ K. p* o1 g0 y - RTS
, m3 n+ _" L) U ^0 ~+ { -
+ y. a$ o. Z2 J0 N# L6 j* g& B# _ - L4_1: ! P! X F, X) J9 a
- LDA Bullet_Type,X
; f! @2 t, y( c2 t5 S/ y4 Q9 b$ z - AND #$0F
' f9 M9 j- g" g$ X4 _' c2 ], f - TAY- a+ l* `" S; O9 A/ g3 N7 H
- LDA #$00- d7 Z3 }' ? T" J& X- e! |$ {
- SBC Bullet_Speed_Data,Y# R; a2 G. O" T2 J B
- STA Bullet_X_Speed,X& R% G" x' P# j% t+ \: F
- RTS
$ y# q0 L- o) x - L4_2:
+ D* i: ]( t' }; @; U2 P - LSR, j; ]: {+ V0 ?0 A$ Z
- STA Data_buffer5 G1 M' ~0 `0 _6 B# x) J9 Q9 L+ F1 }3 T) t
- LDA #$002 v& `4 h! B7 F8 K' I7 Z
- SBC Data_buffer
J& o: m6 k0 ?5 g - STA Bullet_X_Speed,X
) ]( l. A$ j6 l& p$ j% F& X. H+ c5 i4 r/ H1 @ - RTS
9 W% K* L- A# F% }, |2 w7 ? - + Z g- N3 g3 O5 ?
- Track_Enemy_X_Equal: ;子弹X == 敌人X% H) B7 \$ D c% e6 ?; q. M
- LDA #$00
6 d) V- K& t8 y( u, K/ V2 Z - STA Bullet_X_Speed,X
6 O, d+ N- M8 C- V) U - RTS: c0 D! N. I' t0 e" J
-
3 [ u# d0 Z9 Q6 ?& F+ v0 a - Bullet_Speed_Data:3 z) d; t0 ]- A8 y: C- X
- .DB $00,$03,$03,$02,$03,$037 t0 _ Y- @5 _/ N4 s" s$ n2 ]
-
2 h9 `- l, n2 T' R, S - ;2, 4关
4 k, @, H# ~. l% [ - Track_Enemy_Ex:
( Z- _- m) D4 _+ y' ]& Z* N - LDX #$0F+ t/ Y V, ^9 b/ k1 b c
- Track_Enemy_Ex_Begin:3 l9 [1 i' O& {4 J
0 k, j+ X; X' j! |3 E9 P- LDA Bullet_State,X
1 K) n$ w% C8 i$ J - CMP #$011 b9 \8 K0 }) |) f0 J2 j
- BNE Track_Enemy_Ex_Continue0 n, M2 W7 E( Y* d) Z( T/ [4 z
-
" U4 Z2 O1 _- M* U% U - LDA Track_Enemy_Index,X' \3 }% [6 p1 I, \! D1 s
- CMP Enemy_Index9 ~+ {4 t l3 H4 h# L5 u
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标% z! s/ x) R9 R! i4 E
- + i9 U; N) @. O; a: L
- LDY Enemy_Index/ J# I5 A* z# v
- JSR Track_Enemy_Ex_X
- R# x8 L; ~6 ~, D/ D - " Y2 N9 g2 c6 H, ]9 k
- Track_Enemy_Ex_Continue:3 r4 a; R( N* M* q* G# c
- DEX% ^4 J3 L0 }! m7 ^, D6 U
- BPL Track_Enemy_Ex_Begin4 V% d- y/ M: Z4 A9 R2 P
- Track_Enemy_Ex_End:
# b: ]$ G& g. L - RTS9 Z, G+ b( q1 L( s
- Z6 q: F# k; p ?) ~* _
- Track_Enemy_Ex_X:
J1 \( Q6 c/ C! N6 Z- @& o - ;LDA Bullet_Z_Pos,X: X) a, x6 m& c; d
- ;CMP #$04
. O9 k- i$ t" v7 Y) W3 m2 t - ;BCC Track_Enemy_Ex_X_End
, W3 S9 }, e! S, [* E- V c - SEC# z& H! N% x7 A+ i* V9 z3 |
- LDA Bullet_X_Pos,X
4 L+ j: N; v, u - SBC Enemy_X_Pos,Y
. L$ t) T2 t% @- C9 @ - BCS Track_Enemy_Ex_X_Greater6 t8 P1 D% U5 j' L$ l; ^& u
- 5 S3 Q: ^1 p7 |; p
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X) p! s+ Z0 w: d0 V1 B
- CMP #$FD
7 Q) W5 H6 |* j6 \ - BCS Track_Enemy_Ex_X_Less_End
7 h# G9 l6 P3 x1 c - LDA $6020,X
! Z+ y3 N* l- ^* }% B3 Q( R - CMP #$2A6 ]" \$ t0 C b6 U
- BEQ Track_Enemy_Ex_X_Less_L1" f# \# n( Q* v' E; N" Z. d" l* ^5 L
- LDA Bullet_Z_Pos,X/ Q Y- {8 R5 w5 O8 R7 p) x
- LSR \% \3 F! M( W7 I4 f
- TAY
8 Z. i h! E+ ^* V/ n7 h - LDA Bullet_Speed_Data_Ex_R,Y0 Q9 ^+ ^( v" |
- STA Bullet_X_Speed,X' k( Z( H# s/ U, A8 E
- RTS: U. U0 i! i) D; ?4 n/ e
- Track_Enemy_Ex_X_Less_L1:
. R: m) \! [* ]; P; X
; t1 U+ \ I( T* H. }8 c A- Y1 ~! O- LDA Bullet_Z_Pos,X1 l, b) L/ w0 e; }' d
- LSR) i: S. [! J( k+ A1 Y9 g0 t
- LSR
+ s- F# I0 z6 e2 W - TAY3 L+ @+ |; R' n+ P
- LDA Bullet_Speed_Data_Ex,Y1 w* ?, S5 o2 a
- STA Bullet_X_Speed,X
4 |2 D, G$ C) i+ p) a& D - RTS) K% e! H1 N' v5 p) o. Z1 O8 H
- ; R2 C% x4 q4 A5 O$ K5 ^, Y
- Track_Enemy_Ex_X_Less_End:3 O: G. o1 _2 i7 _- L" M0 b0 b
- RTS& q) S* u5 A" U5 C+ o7 A" ?
- 3 B) m5 s; @' L6 }8 |
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X% a9 _( x, G4 Z
- CMP #$035 Z( U! w. }1 p& @+ K9 R1 u% M
- BCC Track_Enemy_Ex_X_End
- k8 {; [) e3 k+ ] - LDA $6020,X
0 m! r+ i8 W8 H2 p - CMP #$2A+ D: S: q! L" s3 [' Q7 o5 `
- BEQ Track_Enemy_Ex_X_Greater_L1
0 t1 w# S, g6 u; \! B - LDA Bullet_Z_Pos,X; Y. f4 x, }- W& l
- LSR
4 a4 F: c4 A9 ?% Q& u( {" Z - TAY3 F7 |& l" V( h" i0 n
- LDA #$00! n E4 @& F# B2 ?2 f
- SEC
9 p* {1 U. E0 r4 H. C. K - SBC Bullet_Speed_Data_Ex_R,Y
# g6 y* }' @4 D$ e - STA Bullet_X_Speed,X/ b w1 f% s* R$ `
- RTS5 S: } o- \8 }: ~3 {# o# x+ D
-
9 A% i& d. C3 Q9 H' N - Track_Enemy_Ex_X_Greater_L1
2 J1 o7 [; A" e( Q! | - LDA Bullet_Z_Pos,X s% q, b) v4 a
- LSR( W, Y/ s- k3 J. }+ y1 [
- LSR& M& A, r! |9 k' l) I
- TAY! u1 K, t+ X6 n W9 Q9 ~
- LDA #$00
. o7 }- x8 b5 a; ?) |- G - SEC
+ H" z: C) C# X u* H - SBC Bullet_Speed_Data_Ex,Y
, w/ i) V' z% P) ]8 J) B - STA Bullet_X_Speed,X
1 l* k4 c9 I7 b- \6 h' z - RTS2 X( k4 s3 b$ K. w+ p# Y
- . `1 C; h N0 N% B" f6 C
- Track_Enemy_Ex_X_End:
4 X$ }" P( S- T - RTS
, H6 t7 e3 I! ^4 r* g6 G8 \ -
' i5 T# U4 c, x1 d0 G; k- z3 x. e - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)8 @. E6 w$ \( R/ @0 T. d/ W3 K
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上$ X/ m( v H- }4 h
- Bullet_Tract_Direction:
4 z: `! Y# s' E& h5 x" z+ @ - LDA Bullet_Icon,X) \7 a9 Z8 Z# |% i1 q4 x& w
- CMP #$23
) `$ U; R" U7 e3 X/ y - BCC Bullet_Tract_Direction_End' X4 U9 g& W9 f0 M
-
+ [0 @: N) g/ ? d7 ? - ; X != 0) u) k Y7 n& c @. c2 q
- LDA Bullet_X_Speed,X6 n. N/ S5 j5 l3 ]; d7 v! `% P
- BEQ Bullet_Direction_V- x+ H/ g7 X( A" O* i5 U: H. K3 L6 B
-
$ P+ f3 |: C9 U" h7 r - LDA Bullet_Y_Speed,X
! G9 U1 f2 Z4 S5 Y# U1 ^% d) ? - BEQ Bullet_Direction_H8 q. s/ r" p d
-
1 C8 h# u `. p - LDA Bullet_X_Speed,X5 Q1 E( k, e5 w: d
- BPL Bullet_Tract_Direction_Right
5 h& h3 b6 K" s) R6 k3 ~ - Bullet_Tract_Direction_Left:
' s; `8 A6 D0 g7 k9 N - LDA Bullet_Y_Speed,X
0 }! t+ d' U' t- c' e1 { - BMI Bullet_Direction_Left_Top) x1 @6 I7 K; C
- BPL Bullet_Direction_Left_Down: A/ J4 ^9 w" s% K$ M: c6 j
- Bullet_Tract_Direction_Right:
$ R! }2 D' T' t$ V! F* e# O - LDA Bullet_Y_Speed,X
5 ~; X6 }1 ~2 Z9 a. x& P; | - BMI Bullet_Direction_Right_Top( q& t! D8 T9 }- ?
- BPL Bullet_Direction_Right_Down9 Y5 O+ Q6 s& m" M1 o' {! U
- Bullet_Tract_Direction_End:
" X/ C. | y" M$ o- T7 p - RTS6 T! r4 u" L' ~/ b
9 o& _9 p, J2 m; U6 P# [4 V- Bullet_Direction_Left_Top:& X/ t7 H- @' n' ^& u1 i& N* {) M
- LDA #$254 L# N: ?6 ?: \8 J0 t* }
- STA Bullet_Icon,X
1 i0 b, Y1 [4 _ ^6 Q! S - LDA #$C0
" D8 k. F3 q1 m( U - STA Bullet_Direction,X
2 T/ x- F- U1 I% h' g - RTS9 K* [2 d9 z6 k$ g: V. C, k
- 1 E. Q% P8 R* S, v ~1 G
- Bullet_Direction_Left_Down:! B, M8 X" T+ T8 a: ?
- LDA #$25
+ j. g' m8 g3 q- [ - STA Bullet_Icon,X
, F; `' E$ G3 ^ F - LDA #$40, w! \/ |3 H& b' ]/ l
- STA Bullet_Direction,X, t- s. \$ M3 a8 H- D. v2 U5 e
- RTS
9 q( d3 G q: C, [
( f/ I/ i6 J! s! M1 U9 p+ n- Bullet_Direction_Right_Top:
/ F5 D* ~8 F; ~; `2 ^5 G' h - LDA #$25
: { b! T! Z" P - STA Bullet_Icon,X5 G! n7 S) S# q/ ?7 `& j! v, x
- LDA #$80
' r9 x0 D7 O2 S - STA Bullet_Direction,X" j- v1 |8 x- j! W4 c
- RTS6 w. q* H/ J3 q* z2 n$ G% a
! `0 G: Z1 z( i- k% n- i- Bullet_Direction_Right_Down:
6 S; s9 s) H4 u2 p+ J$ f) S - LDA #$25- [9 r! e( r5 E, S/ X6 F/ T1 @4 R8 {
- STA Bullet_Icon,X5 G8 _$ ]& n e$ }/ C
- LDA #$00/ x7 j& K0 }7 v& k
- STA Bullet_Direction,X/ D. _7 F% K. z2 v9 ~ m) h2 E
- RTS8 M( J; V3 w$ q& x( J! L- N
% U/ n4 x Y# j) L- Bullet_Direction_H:, [# k) g: _; a, N
- LDA #$24
3 C- F% ?) \ q* I: J - STA Bullet_Icon,X2 ~! j4 L' x* a$ u5 F/ @$ t
- LDA #$004 O* ]* k9 x/ D. O% M
- STA Bullet_Direction,X
* e: J7 ^. q, v& |3 Y+ W. f - RTS# I8 x3 E3 n0 q' Y* q0 Z1 {/ T
; D2 ?3 a$ y; e) O' C- Bullet_Direction_V:5 R- v4 }7 F" E8 B* }
- LDA #$238 Q. c7 J& y; p8 w" L: N8 K) x+ s a
- STA Bullet_Icon,X8 _- Z7 N: M4 G: T1 A8 E3 D
- LDA #$00+ ]. a/ c" ?/ `" \
- STA Bullet_Direction,X' M. @6 m& w ^' X0 \7 }1 ?
- RTS$ P" \, f: u% c0 J9 i
- - y6 S1 F6 q. ~
- Bullet_Speed_Data_Ex:
/ Y, X+ e+ O, B3 Q; V+ o4 e" B7 t - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04- @2 j4 f0 Y& }3 Y6 |, A
- 0 @% r1 e/ L1 r, P2 Y
- Bullet_Speed_Data_Ex_R:
6 c6 L) P5 P5 H4 g: ], y2 p. T - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
* z! p7 J) l0 a9 Q7 d- B8 I -
复制代码 9 Z+ [6 m( t. E$ Q8 h
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