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[FC][魂斗罗][J][追踪弹]
7 ]- ^) d' e9 `" z
: |# b7 ?( b0 W/ W时间:2023.04.30* |0 C4 @! g& K* U
作者:FlameCyclone
% R; L; {+ Y/ e, |. u0 p内容:
% [7 B0 g' {+ z+ ?! n \! B+ D9 G 1. 所有子弹追踪敌人
. d9 V8 E8 c! b0 x0 W% E- l 2. 选择键切换武器
% G4 y v/ k( N0 c 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. B& ~( m1 _" {8 `9 e
, K- W8 i9 ~6 R- g2 Z+ r& vflamecyclone.ys168.com
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0 }0 w. p4 j/ e! l' x" s# q ?- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁- A) u# m6 j6 J5 l- j! l
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
' M% l7 w3 P- R) ^6 s - 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)* ^; P9 b6 b3 r4 r! G' M
6 J5 R1 x3 @* J2 t6 X' K- ;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 T* f7 @8 ]% r6 E" B; y0 ]5 D
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
! L C3 s: i* U
- V2 ~! @2 B, D+ g- Track_Enemy_Index = $6000
$ t7 y+ Z9 ^- {1 X7 K K2 M - Enemy_Index_Begin = $60102 ?9 a7 Z5 e. ?
- Enemy_Index_End = $6011
# E+ C3 R. D& [: Z3 D1 a
, A; W$ ^, C' P* E- Loop_Index_I = $60123 b2 S# G, L; m0 i4 O1 z, a
- Loop_Index_J = $6013
, ?, i1 T1 z7 u* O P - nEnemyIndex = $6014% }. N4 p# h" n9 ^$ H, ~
- Data_buffer = $60158 w3 K/ W9 E% u
& R( B" [* ?7 {7 m0 U' i" m- Bullet_Y_Pos = $03B8 ;子弹垂直坐标8 |" y6 q+ `8 j
- Bullet_X_Pos = $03C8 ;子弹水平坐标3 H% p0 r3 V# r
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
5 C! k% b9 n& f; m: @+ B* _ - Bullet_X_Speed = $0408 ;子弹水平速度6 g3 _8 K- l$ ^; ~8 B9 v
- Bullet_Z_Pos = $0418 ;子弹Z坐标
' B$ G( b* i) F' f, v; k - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
2 z- f' X' ^) W" u( x- y
" I3 u+ `9 w5 R" V- ?" Z- 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
- W R! G n: f# a) v+ u - Enemy_Blood = $0598 ;敌人血量
0 B+ J. ~* |/ ~# q - Enemy_Type_Addr = $0528 ;敌人类型# d* p& _2 ~3 w$ V) L7 g
- Enemy_Blood_Addr = $0578 ;敌人血量' U0 |) n% k( ^ J/ g& P( |
- Enemy_Y_Pos = $0324 ;敌人垂直坐标. a* s) X& X6 j7 I3 w
- Enemy_X_Pos = $033E ;敌人水平坐标
6 e! U$ q0 ^, G$ Q) f3 _ - Enemy_Y_Speed = $04E8 ;敌人垂直速度
% W9 K6 U: Z% K2 t: i - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸+ ^. U9 E7 h0 \1 d
9 k: Z$ W( I) @ Y4 u3 W: W! R0 W- Enemy_Index = $83 ;
9 \' l& X" k/ q - Time_Count = $1A
, D' z; M3 W+ J; G. t$ D: e0 C - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
# R( q" X/ W" T7 g. L7 X - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
% @! T& T/ A; k8 w! W# V. y- F4 {
! ~6 O- Q7 h) m- _3 M0 _8 N
: d) @1 q0 V. |1 [9 z% g- .ORG $6100& [0 ]$ h2 `! ]& K8 e
- Process_Begin:6 Q2 v5 t( y# J* z$ R) T5 q" ~
- JSR Enemy_Check D# O' w3 _4 _! Y3 Q6 a r
- JSR Track_Enemy_Check
3 C3 y3 D. I4 g0 ]8 {/ G8 D/ i, K - Process_End:
. h4 b$ @1 ]# d; |& ]5 G5 G% t - JMP $E54F K. ~* s, B1 O7 [6 O7 L+ s O
! t6 }# ?' K& }4 \. o- Enemy_Check:
( }. F7 T9 V5 r5 r5 A0 S3 v4 `5 Y - LDA Time_Count7 K6 x5 E/ M; R" Z
- AND #Track_Bullet_Speed
4 s2 w m* @1 w - CMP #Track_Bullet_Speed# a6 {9 |: j9 \* x2 A2 U" k# A
- BNE Enemy_Check_End+ W% t5 b1 T; y/ ^
- LDX #$0F* Q7 N, M9 g. ]8 B4 t
- Enemy_Check_Begin:! L v: I3 {$ e" |
- LDA Enemy_State,X
/ r2 j8 G3 X+ b/ J. } - BEQ Enemy_Check_Continue
2 r! @! Z; Z4 L5 u3 V - STX Enemy_Index
; o, y# q3 S! F' S$ [" ]% C3 K - JSR Find_Begin_Enemy; r4 X6 C/ k" Y" Q" k2 e1 e( f
- JSR Find_End_Enemy7 j; u, f# }2 z3 u# d- F( Q& Z5 c
- JSR Bullet_Track
+ |' K( g( e: K - 1 X2 ]) u8 ~$ n
- LDX Enemy_Index+ |4 ^, U8 X- A+ S
- Enemy_Check_Continue:
! g z) \+ `" ^ - DEX; I2 s5 s0 N3 _+ {$ U" x& D4 ?& }1 R, \" `
- BPL Enemy_Check_Begin
: L: |! F* q! j - Enemy_Check_End:
0 U+ F$ W( C9 A% F1 r - RTS9 [. C5 w( i* O9 w
- " i+ T. g a. r- w
- Track_Enemy_Check:0 `/ R) c* F* {" D- E
- LDA Time_Count- \" |( F, U. d( C# {
- AND #Track_Enemy_Speed; g( J0 p" F; |: |
- CMP #Track_Enemy_Speed7 a: _9 H) Y( d* F/ x1 D' i
- BNE Track_Enemy_Check_End: R. t* s5 o y+ |
- LDX #$0F8 S, I/ T( b( W' c
- Track_Enemy_Check_Begin:
# A8 A6 F1 |$ z. i" y8 ` - LDA Enemy_State,X
" m& B; l4 q7 o! S8 z - BEQ Track_Enemy_Check_Continue8 U+ X$ a5 D1 J: e8 f/ N6 ]
- STX Enemy_Index7 h. l5 o+ k, C: S) X
-
0 t8 @) k8 s1 Q9 h) j' e - LDA $40
, `; L# y3 k9 D, o( g/ ^ - LSR
2 W8 ~/ \! h# e+ |! S: W" ^ P4 q - BCC Track_Enemy_Check_Begin_L18 ?) R! J2 F; o& Y/ C" K
- ; n& H. U) e- t" `: K
- JSR Track_Enemy_Ex ;2, 4
6 p1 ?: e9 e9 M$ Q# P" J# Y - LDA #$00
! a$ z3 ]8 `- {! ]9 f' x% C/ S - BEQ Track_Enemy_Check_Begin_L2
- [: n: G) T7 O - ; r' q# t- k4 g" M% n: Q$ G9 x6 d0 G& ?
- Track_Enemy_Check_Begin_L1:
" L4 d( L- ?4 @" l( B' S+ i - 9 l; @* J6 b$ b! _, u# h
- JSR Track_Enemy
" n' [' @! _4 e( k2 M. B
, |) s( ?. g% _( Z! x4 N- Track_Enemy_Check_Begin_L2:
/ I* p, M. f# K2 o; }# { - 9 ]+ i7 q+ c) {) D: j
- LDX Enemy_Index# g. L% ?) C7 _, D" p9 E2 a; D$ n
- Track_Enemy_Check_Continue:
" f9 v* s& }. [( B4 ? r5 x2 ] - DEX
( e4 v5 x3 K% {5 A4 o - BPL Track_Enemy_Check_Begin! V$ H6 _" [) ]* r; x6 }9 J
- Track_Enemy_Check_End: Z& F9 e- C7 w! g
- RTS
" k/ Z3 T4 C2 `1 ]* U% N' l% q
9 C5 D7 w; p2 W$ [; G5 D
- j) k! g9 r' }2 A- ;查找第一个敌人! X& }# f% p7 [8 B( w: D
- Find_Begin_Enemy:
; t6 {/ j! K( S1 d+ x, ` - LDX #$00
; G$ \# P* f6 K/ o1 L - Find_Begin_Enemy_Check:3 j5 J( Y9 k- J: j
- LDA Enemy_State,X3 j3 w2 f; k8 [9 j, B4 ]& j- f3 Z
- BEQ Find_Begin_Enemy_Check_Continue! o v6 ~2 |' C/ S4 t/ P0 o6 C3 M8 B
- LDA Enemy_Blood,X
3 l; V( G! e+ `' E [0 [; s% Z3 d$ }# x# x - BMI Find_Begin_Enemy_Check_Continue
: j. K2 k" L3 \1 r1 T" ?" {9 S3 G - BNE Find_Begin_Enemy_End
/ k8 |# m I2 a7 ^' L4 Z% P8 A -
" C6 S% e; c* J/ ~1 G& E1 B { - Find_Begin_Enemy_Check_Continue:
k6 Y6 O: A7 ?& ~ - INX$ E- c( u+ ^% Q3 @: G" ~
- CPX #$10
+ U1 @- g* y( l: i* P - BCC Find_Begin_Enemy_Check
6 Q1 u7 M3 V( N5 M - Find_Begin_Enemy_End:
: N7 A' X: }7 `4 n; d. o+ M3 E: @ - STX Enemy_Index_Begin) o( o0 i0 }' @# Q9 T- w2 ~1 w: z) P
- RTS
% [3 U2 `0 y4 G6 Y( f" Z) l( g
" u* i& W! a" X! E2 \, _# T7 {3 h- ;查找最后一个敌人
# h( b( E, k/ X9 i' @, d - Find_End_Enemy:2 G! K* ^5 [' B3 j! D/ U! m
- LDX #$0F) T m" V" o: n. h, p! n
- Find_End_Enemy_Check:" k! q9 T0 Z# K; w1 Z+ x. w5 _
- LDA Enemy_State,X3 B+ c2 n" Z/ c1 ?
- BEQ Find_End_Enemy_Check_Continue1 G/ f, A2 Y# a% }
- LDA Enemy_Blood,X* ^( M- f# A/ h( P$ _% s! ]' ~
- BMI Find_End_Enemy_Check_Continue% _1 k+ ? d0 S V: s7 X, t# ~# J
- BNE Find_End_Enemy_End0 T1 k+ Y- I2 {
- 1 r# m2 ]$ F0 i& Q4 G
- Find_End_Enemy_Check_Continue:& J' T4 R4 o9 C' {9 K" l
- DEX
8 [6 U' \ T2 P8 c - BPL Find_End_Enemy_Check- | S7 R/ O( R, C3 D
- Find_End_Enemy_End:5 W! j1 ?+ B0 a1 V
- STX Enemy_Index_End# [8 p8 _! h( t+ R$ R1 M
- RTS: C2 u. d! V/ |& g1 z
. W+ \8 i! M5 c& }- ;子弹追踪
! g% e/ s- H& w. a! \1 G' Q/ ~2 D8 T j - Bullet_Track:
, K2 B" u0 ~5 W. J$ a' A - LDA Enemy_Index_Begin% N" {6 O* p# x
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
. @, V5 J7 G0 D- ` - LDX #$00 . w" C9 p; C# K0 m) q
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
& ~3 V: o5 Q; I& Q - LDA Bullet_State,X9 W" Q( C! k6 {
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;8 N+ T' P* Q) A' _3 v6 X, `$ {
- STX Loop_Index_I, O) a1 ?1 {% N9 Z- N1 E
-
4 V V" f a; x A# ~. P - JSR Bullet_Track_Enemy4 c2 U" U* @8 U; }
- JSR Bullet_Tract_Direction) ?3 ?6 b+ \- n
-
2 g$ i0 { F3 d% a4 n! q8 i2 w& P - ;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
; h' n9 H( f$ h1 V# L - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
, d0 z0 C4 j; K) l3 \0 F - LDA nEnemyIndex
) t' R( e9 c1 { - CMP Enemy_Index_End
/ { P) A# l4 u/ e2 K& Y6 v - BEQ Bullet_Track_Check_Continue
/ n% z; G. ^6 I' X4 s - BCC Bullet_Track_Check_Continue1 l# j) U" p6 F) d4 J( J! E' p: u
- LDA Enemy_Index_Begin- t( M! o ]; Q% ]8 C) S
- STA nEnemyIndex8 ~/ a& y0 Z+ E: e# K2 P o
-
. l" P& k- K, |# W6 R3 e$ C - Bullet_Track_Check_Continue:5 z; p! d6 P8 _5 h9 a' @+ ~4 h$ a
- LDX Loop_Index_I' V0 r5 `0 y0 Z3 H4 a
- Bullet_Track_Check_End:5 T1 H) v* Y5 R2 S
- INX
6 R' K% n0 M3 M' V9 x" _9 W - CPX #$10) D" t0 K/ p; b: ~+ \: u8 u
- BCC Bullet_Track_Check- O! P! z. n* X% r. x; p
- Bullet_Track_End:
: l; F0 |7 f$ E {) j# f/ a, @ - RTS
0 {( }9 ]- f# Z- T: i - , T ]% q0 k6 h+ G. e! O
- ;给敌人分配子弹% M( s' C! @6 W8 P) b5 m
- Bullet_Track_Enemy:/ F* _- r6 j" |- ^# [6 B
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
2 T) d8 H8 i! F+ ~- U o - Bullet_Track_Enemy_Check:
7 _, n8 H% @" c0 K+ i+ a6 k - STX Loop_Index_J* X) z6 `3 k4 D. o+ K2 F6 X1 e
-
k6 c9 I& m6 t. w! i - ;if (0 != nEnemy[j] && -1 == nTrack[i])8 Q$ l w1 y5 I% s. J4 N- P- b' v' D
- LDA Enemy_State,X( I/ V u% e) m& Z
- BEQ Bullet_Track_Enemy_Check_Continue
/ N' X+ V& ^# ^4 w: \ c - LDA Enemy_Blood,X! `- M$ p- @' j1 {+ P
- BMI Bullet_Track_Enemy_Check_Continue
' e7 \' X6 Z; x" ?8 Y! }8 a# t - R3 a" n( g0 V9 d; s _! `
- LDX Loop_Index_I
0 J* E' O: X% H3 I+ E - LDA Track_Enemy_Index,X
/ F; [0 I& ]3 ]! ]0 J - CMP #$FF. x6 S; G& F% H8 h0 Z; e, Z
- BEQ Bullet_Track_Enemy_Init
* H2 O7 S( U0 ~+ R' j -
n: a* _4 h7 b - Bullet_Track_Enemy_Init:4 j5 ~# o- r% ?1 n0 a& {2 o
- LDA Loop_Index_J* F. ?% ^9 u$ K' Z
- STA Track_Enemy_Index,X ;nTrack[i] = j;
3 }3 c8 t+ j5 f* g -
- w3 E R4 ?8 }8 i' F$ U - STA nEnemyIndex+ K c M1 j: h, w! K ?) K4 D
- INC nEnemyIndex ;nEnemyIndex = j + 1;; s8 w/ d# }, b2 }1 E3 L+ P
- RTS ;break;
# b3 a9 M8 v) q
+ H/ t4 j$ P/ X7 q+ w- S- Bullet_Track_Enemy_Check_Continue:$ p% @5 E {( {3 f0 `& c
- LDX Loop_Index_J6 g8 V5 i4 R$ d6 n
- INX ;j++7 p; h# O* t& h) n
- CPX Enemy_Index_End
3 |6 }, L+ W R( ~9 o4 d: G - BEQ Bullet_Track_Enemy_Check' @3 }$ G, C) \! c4 _) m
- BCC Bullet_Track_Enemy_Check9 R5 I( w7 Z& @/ Q- y9 ~. s
- Bullet_Track_Enemy_End:
6 M8 b" u: A/ Y1 ~, W3 L; X - RTS
5 R4 n9 a" V! Y5 v6 H& E
! j; q' i; {8 s+ r5 L* t. X- Track_Enemy:
; |- Q" N" ~# v4 `# }! Z$ z - LDX #$0F
8 ~5 f4 _9 @' R7 C - Track_Enemy_Begin:4 ?% v* y) ]0 L! @3 G0 L7 y0 }+ }" w4 k o7 }
- LDA Bullet_Icon,X& [! C) P% R1 s% o
- BEQ Track_Enemy_Continue1 M! I# d$ m6 M( @9 d5 @
- LDA Bullet_State,X
6 e) `0 ?2 `- ?, D: _; c, I& | - CMP #$01
- Q- o. Z2 n4 h4 h @' z: J - BNE Track_Enemy_Continue) r! s* E1 v5 A7 S3 k- l0 L) x
- [; b& ~- R# {# y' J0 M
- JSR Track_Enemy_Process M* t* B5 C/ k8 v$ E
-
" F( A0 R. H+ z. {6 h. A - Track_Enemy_Continue:
5 k7 _1 f3 o7 v7 O/ L - DEX
5 ^# a5 t: i; ?8 L - BPL Track_Enemy_Begin
. H! b$ |$ F( _$ t: \" I& s4 I' F - RTS
: L7 {7 u1 p6 |0 D% N2 {7 W% H6 p3 P$ {1 H - $ G1 D4 e* R/ O/ D
- ;普通关卡* j1 Q- A* ^ g; k+ ~
- Track_Enemy_Process:$ m. o0 s4 o! k: p% J
- LDA Track_Enemy_Index,X7 B, W4 R6 d0 y3 I4 d: l. E9 G
- CMP Enemy_Index
! q2 M. ?# |4 K9 O# }4 I0 J! I1 {" l - BNE Track_Enemy_End
* n! x/ n. B/ G9 p - LDY Enemy_Index) D/ u6 o: t/ u, o7 S0 g
- JSR Track_Enemy_Y
9 C1 U& K0 J/ b7 P! w - LDY Enemy_Index3 }" K* }* h' D$ ]
- JSR Track_Enemy_X
/ e8 v7 |' ?! L# e - Track_Enemy_End:
7 P% c' D! z; P# l! y6 L# s# x# I# e# } - RTS
8 R8 }. y* C/ f: X6 s - ' u" i5 k* _6 J k8 f. `, d" @+ R
- Track_Enemy_Y:! [! [6 c# W2 U D
- SEC
$ p5 O$ ^% m- ^ - LDA Bullet_Y_Pos,X
{' ~$ z. X7 F2 p) H4 g - SBC Enemy_Y_Pos,Y
( y1 Q, x! G' Z( F - BEQ Track_Enemy_Y_Equal9 l/ G0 j& x1 u M3 b5 A5 K
- BCS Track_Enemy_Y_Greater7 u7 k5 v6 Q, }0 k8 \# ~ b: o
- $ f# v a" m, j& q8 l
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
+ P8 ]5 F/ E4 ? - CMP #$FC
5 U, K! w" f/ e7 J q - BCC L1_1
* o4 x2 B4 ?) |6 p: w$ h. J - CMP #$FE, X y2 \- |( V' r
- BCC L1_2
- x9 S4 M$ f( F. _' O - LDA #$00/ Z6 ]+ r0 r0 D3 o; q& j! P
- STA Bullet_Y_Speed,X5 k C# S4 R3 u$ Z9 o
- RTS+ n6 {6 S. U5 ^/ P. D
- L1_1: * u3 ~) T! r; q/ r" k
- LDA Bullet_Type,X
" Z# a) R6 s7 }* l. \5 S7 s; i% g/ @ - AND #$0F
/ z; p9 z! G2 }' S3 a; O) K - TAY
+ m+ D6 G( h- z5 W: t, ? - LDA Bullet_Speed_Data,Y' S) ?( V4 v8 ~+ ~0 W
- STA Bullet_Y_Speed,X1 G0 I3 J% A2 \
- RTS1 ]4 X. L) ~) s( _( O
- % v6 {; e" @, s1 k0 V0 y
- L1_2: 3 v! r, y# w' Y( M
- STA Data_buffer# z: p& y5 @6 `5 G. m) L3 g% y
- LDA #$00
a% v; x0 T% t( P5 e0 n - STA Data_buffer4 x1 `2 T- G5 I. n; K4 D0 g# H
- LSR; w& c4 m3 D; Y$ s- m
- STA Bullet_Y_Speed,X
* Y8 o* C9 j$ ?+ W! A - RTS" e8 J; p; Y# g y$ S( Y4 `; u
: ` h$ ~. p7 U1 X* D- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
! b- w& q" r5 H" { - CMP #$04+ _% w0 B' J& S. A/ ~
- BCS L2_1
e5 c( l, J4 O. C; w - CMP #$046 y' W# b9 T! z- I# |
- BCS L2_2
7 D7 `0 V: e4 P% m9 T( I; r+ W5 k - LDA #$00
& k6 C8 S6 z* m; b' \ - STA Bullet_Y_Speed,X
5 K; W# V& [- c" o' Z( z - RTS- b* U' l! x: q5 N0 \5 F* R ~
- 4 q, z$ v) f( m. g. Q/ N. m( j' E
- L2_1:2 h% r2 @! M* e2 |9 X5 ]# D4 l3 O' N
- LDA Bullet_Type,X
: G, B) ?# L0 t0 e% P- I - AND #$0F: n) {/ a$ X- I; s
- TAY
a/ f0 Z5 P/ @* p( b+ w - LDA #$00
# m7 V& S, c' U4 G - SBC Bullet_Speed_Data,Y& I6 i8 q7 \: e5 b; e o1 k7 Q. g
- STA Bullet_Y_Speed,X
: C3 ~9 S& v! e - RTS
- l- A' P9 @3 `. V* E5 x - ' G' ^8 G3 I9 r" d: W; K4 Z* r0 R
- L2_2:3 A/ W2 t, C8 e
- LSR
6 g) f) [3 t8 \" k+ \1 Z - STA Data_buffer+ X6 F1 k/ _6 X; Q; x# g
- LDA #$00
5 Q4 p, R) `0 n. T+ a4 f - SBC Data_buffer
& V& q( k% m! \ i/ m. d - STA Bullet_Y_Speed,X
) C- p9 ~8 B* |+ m) x/ K - RTS' x p% X6 F9 C( t% O
- " ~, B' g/ R" d8 p8 _3 p/ f% R
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y+ E6 J3 v3 D6 l0 E/ p+ q$ w4 _+ p
- LDA #$001 ^1 h( m8 a3 u1 p
- STA Bullet_Y_Speed,X0 V& u6 v) l3 M1 S
- RTS
( ?2 _. s# N4 o0 N3 v+ t - ) p, g$ f1 u7 T" o# `
- Track_Enemy_X:- _* W3 t% C3 K! A& H; t3 r/ ~
- SEC
; N Z: Q* V) q3 G2 g/ }3 j - LDA Bullet_X_Pos,X
3 S5 S% X. i) b) t( I - SBC Enemy_X_Pos,Y
! A% C: S( a( { - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X7 x. I# E* R$ |' K& ?. E; V2 ^
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
, `; E$ r; t# O% A6 G3 N3 C - 1 D& r6 z) D8 w' r" z" a+ [
- Track_Enemy_X_Less: ;子弹X < 敌人X
2 S1 U, |! E+ w* A - CMP #$FC
, D+ b$ V# \' p) | - BCC L3_1+ G' I: t1 P# f
- CMP #$FE, g+ F& |. H# [9 s" P/ V
- BCC L3_2
2 i8 |0 G: K8 @1 p - LDA #$00 {. ]: ]& q+ |% D) A$ m
- STA Bullet_X_Speed,X
% o9 {, I& ?1 s7 o4 y/ @) F# `% Q - RTS k' F# J/ |0 x! [4 B
- L3_1: 6 O1 U7 o0 P- q1 w) d' m
- LDA Bullet_Type,X# {# J/ b! _" \5 f$ I/ |' |4 V9 F
- AND #$0F3 |) V! k; o# y$ }) ` c
- TAY
! v: P" w m( k - LDA Bullet_Speed_Data,Y( Z/ ^' x* P3 T @- T; d9 G
- STA Bullet_X_Speed,X2 S6 I# e, w' r" W9 m
- RTS
& S8 r: S# v ^& L - L3_2:
+ P3 t5 ~8 ?, ]; m) I5 b H - STA Data_buffer8 x B1 K! y5 ~
- LDA #$00
5 d5 s5 Q) h) R- j: ~* P2 _ - STA Data_buffer1 z+ y; ]% m5 {6 `& K1 c9 u
- LSR+ E8 e l3 B5 ]! C I8 K
- STA Bullet_X_Speed,X- N1 z* z; y; d- c7 p
- RTS- j) e# X y [: _; S
-
, {: C" F- @/ G) j+ G4 T$ Z - Track_Enemy_X_Greater: ;子弹X > 敌人X9 I, Q$ y% m! ~5 r, E3 c
- CMP #$045 ]: F( n/ \5 M+ s
- BCS L4_1
/ P4 s. R) j7 ~+ L: C - CMP #$02- K: b$ X1 r" w! o, n3 ?# W4 W: ~% Q
- BCS L4_2
8 T$ M9 ]& u1 a6 J. G - LDA #$00
5 t5 J. S" X% c4 M - STA Bullet_X_Speed,X. F0 v7 f+ b( L$ W
- RTS1 w; b1 v9 P1 k7 ~* H) ^
- 0 p6 u& n! N1 B, o) ^* C) z
- L4_1: - _$ k2 X: x2 E
- LDA Bullet_Type,X4 Q5 V, J: j ]+ S8 H( T& r
- AND #$0F, O3 p4 J, u# T( i- z$ W
- TAY1 h7 e' Q! M7 i! H0 {
- LDA #$00 f( w. ?% m0 Z4 s4 V! Q9 u L
- SBC Bullet_Speed_Data,Y
+ ` q" F. U% C R) f$ ?* J# x - STA Bullet_X_Speed,X
' z: Z8 A C9 z$ D - RTS; G |7 a( R3 R
- L4_2:
: Z4 t7 ?: \& g$ `. R5 | - LSR
$ N, u5 g& e1 d+ u8 D - STA Data_buffer
% w) _# k1 z1 u- R: H1 }* p7 Z" p) P - LDA #$008 C8 c! p4 l# ^: d- s0 U+ S7 G
- SBC Data_buffer3 H8 ]/ c. s' x( p8 l4 D, I
- STA Bullet_X_Speed,X
' I% s/ v2 u) B6 D m1 Y - RTS# X3 T' b1 R$ T# q
-
3 g, `" [2 x j9 X; P - Track_Enemy_X_Equal: ;子弹X == 敌人X1 Q- p! A! r- O! a
- LDA #$00
- ]; {' a- D' a( r' M( W2 u8 ? - STA Bullet_X_Speed,X
3 V8 A4 Q6 C+ C2 g - RTS
, c0 m/ k. K$ I/ h# u2 y - & Q; h$ y8 N+ _. ~
- Bullet_Speed_Data:
7 Q3 b9 g X# E* ?+ a3 z- C - .DB $00,$03,$03,$02,$03,$03
1 a2 C1 l/ [0 m1 C" w# E -
' G% c) w, k+ x I - ;2, 4关" h! C6 y. n5 [4 ^* P
- Track_Enemy_Ex:
8 a% x0 Y; G- p9 Y - LDX #$0F
) g0 a$ q% }1 ]$ V% M4 A - Track_Enemy_Ex_Begin:* e4 T' D! b# t$ `0 J2 s; G: K' _
0 j; [' R' M6 v3 R! R" D- LDA Bullet_State,X
# t6 ?! ^: u* p - CMP #$01
4 W2 K" O/ b5 C; J1 y5 z1 E - BNE Track_Enemy_Ex_Continue) ?6 k$ N9 L! i$ k1 L. d. F4 v) R
- $ T2 b- p7 @0 w) r, H
- LDA Track_Enemy_Index,X
8 K1 k/ N* V" f6 D/ `# v# E - CMP Enemy_Index
( W' [1 R! Q. y# H+ f) f) S# Z - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
+ m+ m" L% _) t- W -
3 C6 r' k! H6 R' f+ z - LDY Enemy_Index9 V% a% E2 N/ R: _* f5 n- _% |
- JSR Track_Enemy_Ex_X# P8 B: y- f: m2 L+ ]
- 7 U7 X( e! i& [! L
- Track_Enemy_Ex_Continue:& J# W' D+ H( H" w4 G
- DEX
; }. J* p" o+ f - BPL Track_Enemy_Ex_Begin7 Q: t5 ?4 |$ a- a5 A. j9 t
- Track_Enemy_Ex_End:% H. H. J9 @0 t! L& e- G. H
- RTS$ N0 j# v% w. C% j) K! \! i
-
* g. E8 T" a5 _ - Track_Enemy_Ex_X:
3 J+ l" Q& m1 k7 J7 R. A8 x - ;LDA Bullet_Z_Pos,X
& P: Y8 x/ o9 E; |6 y7 ~ F( t; S& v - ;CMP #$04$ C, R; T: j; h' H9 y
- ;BCC Track_Enemy_Ex_X_End
+ y) n- R% N" \+ I - SEC5 e4 r9 n6 k1 D7 @* L
- LDA Bullet_X_Pos,X
8 _5 P4 j8 u+ X - SBC Enemy_X_Pos,Y
/ L! d8 w9 j; E% Y7 F0 u/ B - BCS Track_Enemy_Ex_X_Greater
9 m0 S* G5 M6 s - 5 R, k" G: T( {( k* [
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
. j: J# }9 N0 z" H/ d3 X- `, x3 Q - CMP #$FD* R- B1 g2 G: B; {
- BCS Track_Enemy_Ex_X_Less_End
' I3 l6 t& d" ?3 Q& Z9 v z" n - LDA $6020,X
3 L, x! [) `; ` c% K( e - CMP #$2A. g: ]! s* T3 y" O; D. O4 q" ]% e
- BEQ Track_Enemy_Ex_X_Less_L1/ T2 c+ f% o; i( [7 v+ S2 K! e
- LDA Bullet_Z_Pos,X7 Z- A* x9 s8 n& ?" \; E- s0 B
- LSR! D# a; A6 ]( G
- TAY- N5 O2 S# A9 b; ?* ^- L- n6 d
- LDA Bullet_Speed_Data_Ex_R,Y } O- h/ v8 S
- STA Bullet_X_Speed,X
0 Q2 Z- h& Y9 Y4 N - RTS: E `8 p' y+ t- C/ K6 t; k! c
- Track_Enemy_Ex_X_Less_L1:, x& C3 @; P0 K4 v
# y: \$ C, ?$ ~6 Z. G$ I- LDA Bullet_Z_Pos,X
: t& p' E1 R1 Y7 x" D v8 K - LSR: S# V. y% n4 U Q
- LSR
7 F/ I( n6 b6 |! } - TAY
, t; y0 ?' ?5 j( z/ J - LDA Bullet_Speed_Data_Ex,Y& O, s# G& W* k* ?) U8 Z4 F o
- STA Bullet_X_Speed,X
: A" n, b1 v' ]8 Z1 i - RTS
8 O* Q3 i( | x5 |1 p; ]# y8 A - ; K, i# u9 t! K6 K. z6 V" b3 f; g
- Track_Enemy_Ex_X_Less_End:
* F* h" }: y0 a/ U - RTS
$ R1 U% y% f) P, [( D) t - & E2 f: e0 P/ F1 Z+ B: |
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
3 v5 i- O6 Y1 [5 @ - CMP #$03& X* ]6 V) D1 c. G! K
- BCC Track_Enemy_Ex_X_End
2 v6 k: j5 `1 b& o - LDA $6020,X
+ w) \ C) h4 S7 G) C - CMP #$2A0 y8 Z& M, ?8 Y5 k8 f# c# B
- BEQ Track_Enemy_Ex_X_Greater_L1
, F! k0 `) S* z6 p" ~( A) t - LDA Bullet_Z_Pos,X- c2 n8 N8 g: q2 [+ \2 I6 n, J
- LSR
# C0 G% u& R# B9 Z# \* s+ Z# k - TAY
- E+ z: z; h8 R - LDA #$00
* b* X' y) b# B8 f, \7 B$ B: D! ], l% ^ - SEC- C$ v0 P F' W% ]0 Y
- SBC Bullet_Speed_Data_Ex_R,Y2 X: o) ~! D' D; n
- STA Bullet_X_Speed,X
3 m0 X) v. v+ i% ?0 Y* h% u - RTS
. {+ o( {, u- |4 g- N; j -
$ _9 {8 q" y6 \% J/ ` - Track_Enemy_Ex_X_Greater_L1. a6 f1 F7 p/ t- M w4 V
- LDA Bullet_Z_Pos,X
& u3 o h0 r1 T* V6 x) f0 y$ }" k - LSR
& f. z: ~& d+ F7 k, N6 x - LSR( W/ l! v3 l. ^
- TAY
, [* _, r6 r+ ^- h* y4 r - LDA #$007 ]+ S; Z1 ^0 } i4 B" N0 N
- SEC/ s( t: w! B9 D3 Z( | D/ P; [/ [
- SBC Bullet_Speed_Data_Ex,Y
# A0 O7 T1 [" V5 L E9 m - STA Bullet_X_Speed,X) g" F% I3 [; f4 y* n$ p- F
- RTS1 V, @5 o0 w" a, _' ]& p+ X
-
; _ |- `& e4 t" {( k5 A* F6 h) _( i5 g - Track_Enemy_Ex_X_End:) k9 V9 v6 e# {
- RTS, x8 l2 Z8 H. _ `- \0 p
- 0 j1 J3 i. _4 P) ^3 K! ?: j5 T; z
- ;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)* U5 Z! B8 j5 u7 O" x: Z
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
) J# u u4 D8 u9 @) r - Bullet_Tract_Direction:
Q/ y8 O! ]0 g8 U - LDA Bullet_Icon,X
1 x" c6 `; L4 _* E/ a, V# u9 h# I7 Q$ K - CMP #$23
5 [1 t# \0 z& f2 }, u - BCC Bullet_Tract_Direction_End8 O9 ?5 _$ b7 I& _/ J
- % N9 r0 `$ J- F0 e: w0 ^
- ; X != 0. n# ?4 A; S( v$ V: l9 C7 N8 J9 Y
- LDA Bullet_X_Speed,X
( ?0 `: ?3 w7 |) `, }( R( V - BEQ Bullet_Direction_V
" G4 E: n! \; [: k2 P* D% c8 Z/ v - 8 J9 M" b" _' `
- LDA Bullet_Y_Speed,X0 L% s7 L# `) J( p/ n' z6 S7 b& e6 p: W
- BEQ Bullet_Direction_H
7 Z' R `# s( ^! l5 O; ]: D -
( L- y# Z& r% u z9 J. S - LDA Bullet_X_Speed,X
5 d3 I2 {2 u! R) u - BPL Bullet_Tract_Direction_Right9 k, o2 E4 f$ q8 y3 t2 m6 C
- Bullet_Tract_Direction_Left:1 f0 \: g! I7 t. M- o
- LDA Bullet_Y_Speed,X5 c2 D! E4 K/ J! k3 |) Z
- BMI Bullet_Direction_Left_Top6 a2 R3 c2 g! Y4 F+ B1 i; G- }# l
- BPL Bullet_Direction_Left_Down3 u3 ?7 L; V% y1 [. u% I. j( q: G
- Bullet_Tract_Direction_Right:5 a. `) u, l$ l8 }; a0 a
- LDA Bullet_Y_Speed,X, `5 E! W2 E$ c( Z) V) N6 d5 B
- BMI Bullet_Direction_Right_Top
$ L* c/ w. a1 T+ \5 P - BPL Bullet_Direction_Right_Down
( k) N4 L- Y, R3 v6 e - Bullet_Tract_Direction_End:, a: y" u" F* Q2 M% o0 v
- RTS j; _! L0 L( y- ^) b" [& w& I
/ {4 |$ _7 D- ?3 ]. g) A- Bullet_Direction_Left_Top:. X! L% {' H5 W: s' t
- LDA #$25
7 G! |3 P3 |' J9 v5 I4 S/ P - STA Bullet_Icon,X
( z, f5 v& z0 C( d4 C0 B, D0 u7 L* @) u% s - LDA #$C0
. w2 W1 P' q+ Q* B - STA Bullet_Direction,X6 P, ^& _' E2 O' ~( y
- RTS! I9 L1 N1 U4 p
- 6 }5 r$ c* N! F4 u" G
- Bullet_Direction_Left_Down:
2 Z; P; i6 X O1 ? O M - LDA #$25
. C- w) X! }# X3 `) l - STA Bullet_Icon,X
* w$ Q: l$ }* a, z - LDA #$40 E7 l* L. Q% n$ y" _
- STA Bullet_Direction,X
% }; P+ e* b$ I - RTS
, y% k" e# R6 I9 t, c6 f - 8 k# [* I0 m* ?2 ]2 g
- Bullet_Direction_Right_Top:2 @8 w, M! T& F
- LDA #$25
+ j0 n4 ?' V; k- |0 p; H' Q; h1 o! @7 x - STA Bullet_Icon,X" ~; p1 O" H, s4 q4 ?* E/ v# W
- LDA #$805 }0 z) ]7 J2 E; C$ t' C8 O
- STA Bullet_Direction,X! O3 \2 y1 {3 Q6 {* @9 j- ~3 B4 x
- RTS
* r6 M9 g! N* m6 A- V, Z$ z - 0 t" T- {! h' O# O5 s" N
- Bullet_Direction_Right_Down:
1 k3 q. d H4 s) ]. k - LDA #$25, R& |) P5 i, U7 B2 J- y: P' |/ G
- STA Bullet_Icon,X/ c9 s6 K' f. U9 k! ~( z
- LDA #$00& Q! @# \# E/ g
- STA Bullet_Direction,X
# b! X7 v+ \" D' b - RTS# c& \8 Y+ {3 Y* _/ _
- 2 P1 R2 G0 h% U" O( K
- Bullet_Direction_H:; g2 i w: o# j5 f0 j8 R( X3 o' R
- LDA #$249 A) E9 R6 Z2 Z& N3 X
- STA Bullet_Icon,X* h' B/ q3 T1 T# {
- LDA #$00
' Z5 f9 W W4 t8 _% I3 h - STA Bullet_Direction,X
( f/ Y6 Q& ?8 _- G- Y% U - RTS
# P( w' P" q5 `6 l9 {+ P
: J' C3 u. N. C- Bullet_Direction_V:4 J8 v6 @$ I6 U; w
- LDA #$23
E, J. j& t0 m' l" f6 J+ e$ L8 D" g - STA Bullet_Icon,X g" ?, S0 U7 l" F2 m; X4 g; M
- LDA #$001 H% k, \ e. L/ F3 @( U) l
- STA Bullet_Direction,X
3 S$ M& u) y1 m+ K6 P. \" N - RTS0 e- [& v L- y6 D5 I# v+ S
- D$ i, q1 \, v6 _4 F
- Bullet_Speed_Data_Ex:
8 C1 g, S( a" c+ H: ]% w - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
/ e" k& x3 e \* e l -
( [2 g9 ]4 ?, L7 }6 u4 G$ Z; u - Bullet_Speed_Data_Ex_R:4 p8 I( T+ b' E. H
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
3 ]) H+ c3 Z! B/ [ -
复制代码 , U1 g' M q, q9 b; w% Q: h' f
% y; ^6 w* v' D4 X' Y+ f' e: l |
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