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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
6 L* C; j8 `* t* q) G- ]4 T作者:FlameCyclone) a+ u$ T* F% G, r" z0 r. e/ I
内容:7 K" d0 v0 d; {) T
1. 所有子弹追踪敌人, m# b8 q" T# ? d3 h# z9 F# t
2. 选择键切换武器- l+ ?" c: { K
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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e, t2 t4 e( b- w7 ^flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁& g s9 _, t8 z; m* @
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
2 Z8 K, c, W1 Q7 ~& D - 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)# x% Q3 ~+ X9 ~1 L. y+ r: h8 I% p
- ! ~! B K; ]" ?8 D& }
- ;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 H& G4 F+ |* j/ V' s7 q# N3 q! I
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上, y# V4 W0 ~% Z$ e' E
- ! m( O& N( u, l: L( N( U
- Track_Enemy_Index = $6000
) f( N, I2 l! v0 ]3 [& u - Enemy_Index_Begin = $6010
- L! d! Y( j& h3 C - Enemy_Index_End = $60119 p# ?7 ?' V, d% K$ f
: U% c3 b U0 J ?2 L- Loop_Index_I = $6012
& t8 r2 {1 r& [, @2 ~ - Loop_Index_J = $6013
% m% [- X6 V: g2 O - nEnemyIndex = $6014, T m+ [( F6 _( B7 {( k
- Data_buffer = $6015
$ x5 Q4 T0 U0 r0 c2 |, B
- {- o' g2 {! u x- Bullet_Y_Pos = $03B8 ;子弹垂直坐标/ ]6 I( J# F( O0 B# l
- Bullet_X_Pos = $03C8 ;子弹水平坐标9 V2 F z1 f4 o2 [5 l5 q
- Bullet_Y_Speed = $03F8 ;子弹垂直速度6 x4 D5 A7 g) ^7 U+ ?
- Bullet_X_Speed = $0408 ;子弹水平速度
) |7 O- ?- J* X% t W5 d6 F2 D - Bullet_Z_Pos = $0418 ;子弹Z坐标
0 E: z0 m/ O6 D8 _ - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
' f3 Y5 W& b* X
" O! M" U* X- {- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
* E% @6 @5 u; U8 b# k$ @. p - Enemy_Blood = $0598 ;敌人血量/ z! C2 O5 J- E" @. K- }
- Enemy_Type_Addr = $0528 ;敌人类型+ d7 w/ U, E6 P0 M
- Enemy_Blood_Addr = $0578 ;敌人血量. ~% n4 u: h( d* j& d3 b# _0 E
- Enemy_Y_Pos = $0324 ;敌人垂直坐标* |/ _, y0 R. V
- Enemy_X_Pos = $033E ;敌人水平坐标
$ i+ h6 Z$ ^+ y6 E# W- K7 \! O5 i - Enemy_Y_Speed = $04E8 ;敌人垂直速度
$ E# ?/ r$ T9 |1 \ - 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( p6 c0 s3 f4 t {2 W9 e
- 3 ?7 d# p! [( A, }
- Enemy_Index = $83 ;
' X6 e R0 u1 v$ f5 {5 e - Time_Count = $1A
$ b; \/ ?$ h5 Y% ? - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率3 n$ W' L E: h7 @# U
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- . ]# }" i- `" `7 d& O8 U7 f
- .ORG $61004 `; }/ @0 N1 U& @8 z3 N1 \
- Process_Begin:5 C$ J! J; q0 H3 ^/ w1 ~* r
- JSR Enemy_Check& H p$ X' }7 O- n0 O5 w
- JSR Track_Enemy_Check
6 Q, i8 g/ w/ ~( y0 {' I3 r# e. R; k - Process_End:2 L; e) L; V* T% ~ ^% a) B( w) P+ a
- JMP $E54F
/ h8 t9 Y& D& T; i' m% `, N4 u - : T0 ~; z/ o4 |
- Enemy_Check:/ \ T% }1 T' Z$ r% L: | S6 S
- LDA Time_Count' x9 N0 L( k9 U
- AND #Track_Bullet_Speed
; ^8 g. c G; Z5 H6 J Y - CMP #Track_Bullet_Speed; x% G' A- p/ x; `: O! k& ^
- BNE Enemy_Check_End
2 h' _ w1 B4 K - LDX #$0F
" q) H0 y5 V+ U" s$ D - Enemy_Check_Begin:. d. {' `% G! `1 p7 R& U, D5 V' k
- LDA Enemy_State,X
. W0 {, O. I$ v/ N3 \: N - BEQ Enemy_Check_Continue3 f8 e+ o( J7 W, A5 ^" B
- STX Enemy_Index7 `7 {3 y2 _( @+ T+ a& j
- JSR Find_Begin_Enemy6 u" i& j* B% h& t
- JSR Find_End_Enemy+ |1 |' j8 u3 A9 b
- JSR Bullet_Track" \; t5 a' ?4 L7 h1 K
-
( M: a$ L" I/ X" ]# D' K0 v9 ?" N - LDX Enemy_Index
0 c* m) t( y9 e. p8 U+ e; E - Enemy_Check_Continue:
2 e0 l# u; l- ^( q5 T - DEX ?, F! t0 Y' R7 S2 Z" M% T
- BPL Enemy_Check_Begin
# Y: e# W6 ]3 ~$ Q5 i - Enemy_Check_End:9 m! V$ z) x, E z9 _
- RTS2 n" H! X4 F, ]8 Z; g7 g
-
5 Y7 s1 l" C) n: ^3 P5 }/ |5 D - Track_Enemy_Check:$ R9 |- j3 Q! C- j b/ r" [* d n
- LDA Time_Count
# }. I+ B3 l# q# c& ]0 r8 m - AND #Track_Enemy_Speed" ? a/ ?7 B$ @5 O/ i
- CMP #Track_Enemy_Speed
" b& k5 T" S, N0 } - BNE Track_Enemy_Check_End
1 ?1 z2 e: V. G( W - LDX #$0F
7 \! \! Q( i6 _6 O - Track_Enemy_Check_Begin:1 ~) o p' B1 z. n" G9 R( i
- LDA Enemy_State,X) S& s3 ]2 z0 E/ |) w+ B
- BEQ Track_Enemy_Check_Continue8 e/ C5 P: L/ q
- STX Enemy_Index- E8 n/ L. Z! a2 p4 _
- 1 n0 Q: ?( p2 J$ k6 Q! X o0 D
- LDA $40
; z$ E: Q! O' y2 {9 B0 O" [. D$ b9 g - LSR
, g1 R! Q4 m5 }7 P8 d i - BCC Track_Enemy_Check_Begin_L1
" d" ?. B D y - ) o1 f4 y9 T% g0 M6 N
- JSR Track_Enemy_Ex ;2, 4
( `* L6 c8 N0 Q' h9 m+ y# H, ^ - LDA #$00& J9 G8 y# K# F% ?8 I- V! ~7 u1 G/ ] Q
- BEQ Track_Enemy_Check_Begin_L2: B( _* X* F6 p `+ G
- * m: E9 b8 B* V
- Track_Enemy_Check_Begin_L1:! b& S( n; a# |. X9 X2 _: M& W) z4 i
- " o4 }6 g* s# ?4 r: h. A8 a# y
- JSR Track_Enemy
% J0 s, u t( }$ c% ~
0 O" G' s, W2 f. y% Y- Track_Enemy_Check_Begin_L2:/ j: l7 {, {- W7 A! f" _
-
7 X" u: n [ o7 `4 ~ - LDX Enemy_Index% \7 J) K- K: E+ w; d
- Track_Enemy_Check_Continue:
: g5 t7 P: ?5 a; j2 v: F& S - DEX
- Q! u+ m; K" A; }) D" I - BPL Track_Enemy_Check_Begin
* T3 ?4 d5 g1 U/ ?) s' k. c9 s! o+ h - Track_Enemy_Check_End:* n$ g% T: h1 N& Z9 ^
- RTS
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- ;查找第一个敌人
: H- F: ?0 I0 ~( N# E4 B - Find_Begin_Enemy:; o/ O7 z# Y- u8 O: `! P
- LDX #$00& v* G _* e8 C7 p6 I: a- T" o
- Find_Begin_Enemy_Check:
$ I# ?# g& n( n5 k; T - LDA Enemy_State,X
4 O& u6 b. I; X$ S - BEQ Find_Begin_Enemy_Check_Continue& L6 W- t# M+ G
- LDA Enemy_Blood,X
. M! E% @) _. ` - BMI Find_Begin_Enemy_Check_Continue+ U% O0 w0 t& y+ x/ H; x7 F
- BNE Find_Begin_Enemy_End
3 i' ^& b3 Q; }# n -
1 T' ?6 k$ \* t; q7 T& e* s - Find_Begin_Enemy_Check_Continue:
& R; h$ p& n2 X; E3 o - INX" G, w! c7 V& t( H$ l
- CPX #$10! f# f; P) [7 |
- BCC Find_Begin_Enemy_Check0 ^' e, L, J8 ^. n( l) o9 O' b. ~% I9 M# t
- Find_Begin_Enemy_End:
! A; x' u0 C4 V; F - STX Enemy_Index_Begin8 n9 o6 U9 Y' u# ]% i+ H+ k
- RTS9 h) R4 _4 b. w' U! F. N- ?
" N+ C5 n6 m b- ;查找最后一个敌人
2 z8 x- i; Z- `- [ - Find_End_Enemy:
8 k+ d0 W! Z. R1 V3 l8 ? - LDX #$0F
N& k4 I5 ]3 F, c8 g1 z - Find_End_Enemy_Check:6 R; F9 ]5 m# _0 t
- LDA Enemy_State,X
4 H7 G7 \ q x# m2 o - BEQ Find_End_Enemy_Check_Continue; L* a: ]) x" a' T! E9 G8 E T) t" e
- LDA Enemy_Blood,X3 E) A, R" |- p8 M: R7 N' y, s
- BMI Find_End_Enemy_Check_Continue
8 O$ y# M V k! Y4 _ - BNE Find_End_Enemy_End
& b8 F9 A8 ]* p -
- c' t ~/ T9 z0 X' A - Find_End_Enemy_Check_Continue:
4 @+ t; [! `( ?0 Q, g4 E. v0 f - DEX
5 G* ?0 e' |0 a7 m& Z2 K - BPL Find_End_Enemy_Check
: Y4 n( m. c; U# p - Find_End_Enemy_End:
. a9 s' T3 b" {4 X - STX Enemy_Index_End( ^. k r, \4 S- f
- RTS* i5 G3 }" y( x; w d/ Y2 [% [
- % z, J9 ? w8 P5 V1 b' C
- ;子弹追踪! E' [' v! \% I: b" R' N
- Bullet_Track:
, ~+ E/ g8 V o( p+ ]+ h+ q* g+ u" X - LDA Enemy_Index_Begin
* B7 ]- x# v/ D4 j/ q - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;' Y4 Q9 s3 d1 B
- LDX #$00
y0 j! T% W7 _# Q k+ X9 V6 a2 x - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)( a" N, R9 k$ u# {
- LDA Bullet_State,X
+ r. o: K1 {7 N - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
) d% B8 } g1 y* k2 f5 o9 q0 e - STX Loop_Index_I6 q+ B2 f+ i9 ^ E/ ?. d
-
+ P# i5 _8 B0 A6 F# U7 a$ d - JSR Bullet_Track_Enemy- a8 S t/ l/ J
- JSR Bullet_Tract_Direction1 `. Q8 Q6 J7 ^
-
' ~+ \1 s/ ^* l' C q2 V( d - ;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 }% u1 ?$ d9 n/ S9 J8 ?9 D
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;" C7 y! p1 t/ n& O( o% \5 w
- LDA nEnemyIndex |) m9 [- T' @ t/ ?+ V
- CMP Enemy_Index_End
) U. W" _$ ]9 m4 ?: n$ w+ N0 E - BEQ Bullet_Track_Check_Continue" U: f: K! ] l8 H2 ?4 Z2 M/ ?
- BCC Bullet_Track_Check_Continue6 j8 t# _! l" a! Y8 [4 N) L, ^
- LDA Enemy_Index_Begin
5 V6 l$ F& ~4 Y& D, f5 k - STA nEnemyIndex: o9 }/ s0 D& ~" @. C; a: l
- 1 F8 n+ K2 s2 b' t* o5 |
- Bullet_Track_Check_Continue:. W4 y7 k- i- S$ I" ^$ y! O
- LDX Loop_Index_I
: E7 M5 g/ T, Y# B4 x. m( H - Bullet_Track_Check_End:- Y1 L, b, [* U! S% F, ^! h
- INX/ d* S, T/ F1 t) ]2 ]
- CPX #$10
* X; {; y' g# B( V$ T - BCC Bullet_Track_Check5 d9 P. o) f1 ?! V) o
- Bullet_Track_End:
6 N, w1 \* \$ o; B# l8 A - RTS/ k* ]3 k- w: C+ p" a# ?; h
-
0 z# t& |" p$ `+ a8 d: F! R5 p h2 N - ;给敌人分配子弹' E3 e3 A5 p" M- ]& x4 T7 e, T
- Bullet_Track_Enemy:
. H; Z! n1 L7 }, k - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
, r5 [; h; e. e6 E7 w" W6 @& I - Bullet_Track_Enemy_Check:! I2 F% p% d# ^' M% F5 v; z
- STX Loop_Index_J7 r' y( U W' o, ~2 y, F
- 8 c* D/ x( {) R- d3 P
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
5 V; b; }% v( ^: C( C# H) K - LDA Enemy_State,X
/ `9 u& @2 a$ x! g! g- F - BEQ Bullet_Track_Enemy_Check_Continue
0 ?4 f5 b1 z a- G7 C - LDA Enemy_Blood,X/ Q5 r `6 b& ~4 n5 D
- BMI Bullet_Track_Enemy_Check_Continue+ l' a5 h+ L8 u$ H7 F# O5 q
- ' J" t+ l1 _9 b6 d4 M% u2 ^3 ?
- LDX Loop_Index_I5 I7 d" M! ^& h* l5 z9 R
- LDA Track_Enemy_Index,X9 w% `. t0 y. Y0 j* S
- CMP #$FF& ^' {4 V: ^, A
- BEQ Bullet_Track_Enemy_Init5 f+ A& k+ p5 b8 o
- 8 M( ?! L" u$ N) [; f% b& t
- Bullet_Track_Enemy_Init:
! L; i0 K# z9 X- @2 z! J N - LDA Loop_Index_J( d: ~8 O, M" x) T$ x% m$ v
- STA Track_Enemy_Index,X ;nTrack[i] = j;0 K- m- p6 F2 K, G5 z8 H0 N
- - ~* k* a- ~9 r" h
- STA nEnemyIndex H1 ^7 f5 L8 Z" ^. e8 @
- INC nEnemyIndex ;nEnemyIndex = j + 1;
) M) }' a" H3 j3 @; c N0 R - RTS ;break;
: [! o! k' w9 D7 r! r
- L$ m9 k$ R) O9 Y- Bullet_Track_Enemy_Check_Continue:
+ V0 x+ N6 X9 R" q - LDX Loop_Index_J
2 F- M+ c' ^0 L4 D* S - INX ;j++
, i3 S& I- V0 {; C8 |% U - CPX Enemy_Index_End
' Q. K$ W* @& ^: z% }+ U5 m - BEQ Bullet_Track_Enemy_Check, K2 F( O2 w( a( Q+ r$ {
- BCC Bullet_Track_Enemy_Check
% E; b H6 h$ `* F - Bullet_Track_Enemy_End:
+ p) J! J2 f7 H0 n - RTS
# w% p! S$ I3 B& h) {
0 Z# v @7 M* w, {) M1 t- Track_Enemy:
8 m! j; G$ L4 J: [: w - LDX #$0F
; d! ]% `# ]* v - Track_Enemy_Begin:6 F9 G* X8 R/ {* ?
- LDA Bullet_Icon,X* x* B& j, k9 x7 }
- BEQ Track_Enemy_Continue5 A1 @% S) D8 k1 V
- LDA Bullet_State,X* y+ k) X- m I$ C
- CMP #$019 P$ p6 y5 }+ r6 |+ N
- BNE Track_Enemy_Continue- c0 @1 G1 x N* d/ j# |0 a
- * O' U5 ~! X& |. ~! t
- JSR Track_Enemy_Process6 [. ~( p# s+ t
-
6 U! v( P0 M ]5 d9 U - Track_Enemy_Continue:
" L3 J/ ^) ?* W+ K; H - DEX1 ~/ H! n* X+ q) n! ?
- BPL Track_Enemy_Begin
1 B/ @$ a& T" n. N - RTS
; Y5 h ^; ]- \0 G* x1 g F - n: T( T8 q$ y. s. o' A
- ;普通关卡
) @6 {6 y4 ~6 _& T. }& f - Track_Enemy_Process:2 g/ Z7 C' ~# ^, b( ] T2 a5 X
- LDA Track_Enemy_Index,X. e1 U' V0 Y! q9 D, _9 M9 C" u
- CMP Enemy_Index/ b5 W' [' a0 f- X5 Q3 {" n
- BNE Track_Enemy_End
+ g1 u( R3 P# e& y- C - LDY Enemy_Index
- |: Y& U0 {6 v" A - JSR Track_Enemy_Y$ c9 Z) q: Y+ H. {
- LDY Enemy_Index' p- O8 p1 \ V. ^
- JSR Track_Enemy_X
S1 M4 F9 @9 S# y - Track_Enemy_End:0 Z/ u$ |% p: g1 Y* d" w# G. F
- RTS
6 _. f5 @1 N% P2 z, K -
$ T8 j: s7 B \ N6 p7 B - Track_Enemy_Y:" j0 X7 J, q2 z# f2 k" p
- SEC
( C5 l2 {% J2 d - LDA Bullet_Y_Pos,X
5 Q4 J, X8 ]- s! i - SBC Enemy_Y_Pos,Y
9 m0 q' Y$ Q- c) ]3 q - BEQ Track_Enemy_Y_Equal
% I V$ S7 f k! p; i3 J - BCS Track_Enemy_Y_Greater" Y3 G s$ N+ o8 b6 N% l
- % t/ P4 E2 p, n
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
; L( v) G& t X+ s1 M - CMP #$FC4 t$ [6 |2 [; m3 Q9 P z* u# {
- BCC L1_18 p/ Y/ W; @- ]4 Z; X5 i
- CMP #$FE
& ?+ ?4 @8 M9 C% ^ - BCC L1_2
5 u4 C3 t5 F6 m" t- V+ M - LDA #$00) H: [- u; N) y; e+ T5 q
- STA Bullet_Y_Speed,X
+ A8 w# H. Y) t2 G - RTS
5 Z3 u0 ^$ Z8 P2 B - L1_1: 4 A! U+ J: l' w1 _6 i
- LDA Bullet_Type,X
5 Y) U2 ~* X% S: w% Z; q6 D - AND #$0F+ v) D7 Y* B4 L5 b7 g$ k
- TAY6 l! {0 u% V3 Y
- LDA Bullet_Speed_Data,Y
# {7 S/ s _* U4 v - STA Bullet_Y_Speed,X% j8 i, G% K ^# t! j( q( n( [
- RTS
5 W. f$ U) ^+ |2 |+ c - ! L# i w( J5 O( }% R
- L1_2: 8 j/ K% [5 Z7 s- w |
- STA Data_buffer# \: w4 l- b9 y7 o! `8 F" j- ^% \
- LDA #$00# `+ L& S9 B0 I, c' ]8 H
- STA Data_buffer6 q* G2 o* r8 I. g4 f8 |
- LSR
b ?! _; ]( [* h* O - STA Bullet_Y_Speed,X
7 [ p8 E) q$ {& j - RTS% J- I. e" N: K' Z: k9 Q
- , l4 u* H$ w0 s0 _
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
( y& ?; Z; X0 I1 G2 H$ \6 s/ y; Y - CMP #$04; V' [+ x# D0 F( q5 j
- BCS L2_1 l6 Q2 Q5 \0 E7 g9 w7 x
- CMP #$04
7 [, c0 s. O% L- _! E3 l- ?* F - BCS L2_21 r4 M5 X3 K4 c; w7 R
- LDA #$00 c$ y2 u! k2 V9 Q8 z
- STA Bullet_Y_Speed,X p) C% j& \ x, `9 Q- l1 g9 {
- RTS" E) e5 \5 A- k" T% s$ j; F
-
- j2 |/ {1 N. @) K - L2_1:
0 x0 q5 D/ f7 c0 c. G - LDA Bullet_Type,X1 t7 i$ f: u9 h; X: P
- AND #$0F
/ `, c5 O% w9 b/ P% K& E7 u" Q - TAY# P% }- N! t) p# r4 B
- LDA #$00
5 `+ E! t9 @5 r S* B - SBC Bullet_Speed_Data,Y/ w- K. z1 ?, |$ B: U8 h
- STA Bullet_Y_Speed,X
2 j- T9 F4 J3 ^5 H2 k) Y: i - RTS
0 N V7 h: Z1 D2 Y -
8 n% I5 o! H6 Z' c0 B - L2_2:) q; @. E' e2 O0 S# _/ G
- LSR4 A" B9 j* p, n* Q. t) p
- STA Data_buffer: d- B4 G( T6 S4 h* q c
- LDA #$002 W& d& y: J6 O/ V' h! P6 |: @
- SBC Data_buffer
* N* k. J4 V1 F. O" F - STA Bullet_Y_Speed,X3 Y- F7 h; O9 U m5 i/ K) n9 e) ^
- RTS
+ f2 D; T9 |+ e' w - ; q$ ] G4 l. g
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y! i- Z; t1 m+ o' \; i* `0 ^$ v( `
- LDA #$00# p" @) u$ O( ]; O1 v
- STA Bullet_Y_Speed,X G$ y& U9 d8 @7 t7 C/ X( ^
- RTS# _; J7 b p* p8 r
- + ^: {' P4 W& H
- Track_Enemy_X:/ D' e2 ~0 \, J# X& m* s, }
- SEC; p6 H I& h/ x, o9 }# R
- LDA Bullet_X_Pos,X
# O6 ~. n0 F! z - SBC Enemy_X_Pos,Y
: C0 s; D* Z7 {/ Q - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
' A8 [. ? ~7 m5 w Y6 k) U0 @' r - BCS Track_Enemy_X_Greater ;子弹在敌人下方
+ Q# C. q3 _3 L: x0 c- \ - 5 o% d/ w% a4 U# @/ Y
- Track_Enemy_X_Less: ;子弹X < 敌人X% J+ ]6 O L9 @# [
- CMP #$FC' Z; _; _8 ]- u" G
- BCC L3_1
: ^2 r. X. j" p. A2 r - CMP #$FE
$ L3 k; {* _& g7 d1 { - BCC L3_2: U& `4 W7 l# Y+ ^& e: Q
- LDA #$00
a+ K% M7 A$ Y8 A# L5 E" O - STA Bullet_X_Speed,X% ?0 D* h( z2 r& Z! P3 D
- RTS
1 s6 Y3 F) J$ Y2 W0 x. R1 n5 p - L3_1: 4 |) R: v* _! I$ u
- LDA Bullet_Type,X
. Y- X$ C; ?* o, t - AND #$0F+ l7 Y) j8 ~0 v3 u) e
- TAY
1 @; R3 X0 X9 T8 g$ e# S4 e - LDA Bullet_Speed_Data,Y
( h4 \# j* |! q6 F5 {8 B6 T - STA Bullet_X_Speed,X+ l' ~- R; b% @2 K3 a2 j9 i
- RTS
, Z' W. k$ [2 C. ?# z - L3_2:
: b" P5 W2 r9 z) F1 ` - STA Data_buffer
[; M# c# q h$ W* B d; g - LDA #$00
5 r# t$ h& K) Y3 k' g - STA Data_buffer
- Y- r* J, [( t/ P$ N - LSR% {9 @9 O3 \- N
- STA Bullet_X_Speed,X
2 {/ b/ G/ w. i0 Z1 o. E, F - RTS Y& ]9 Y: N! [9 P4 W
-
" e: N5 O% [6 S! b: E - Track_Enemy_X_Greater: ;子弹X > 敌人X
& ~1 B# E) Q0 Z# G/ _3 N - CMP #$04
8 y+ e3 K: ~2 ?. h; D* u. @ - BCS L4_1/ [! ~+ s& g* v- I$ k' M
- CMP #$023 y& i ~+ m: ?7 A& g3 \- P
- BCS L4_2
+ y5 j6 E: ]2 U4 r7 ] - LDA #$00
" f, @4 Y* n$ K/ q- B - STA Bullet_X_Speed,X$ P& m0 _8 n' M
- RTS* N4 \5 e% A/ {+ o) C$ Q
-
' C, y/ ?' D( t; W! | - L4_1: + _/ p& _, r; M1 Z7 [( b
- LDA Bullet_Type,X! j+ w" E- E& Q) z D4 S% g
- AND #$0F
& [, j' I& c f. ]! a - TAY
+ U) n- r- l* t - LDA #$00. ?5 G9 C0 m# e+ ^% a1 P9 X
- SBC Bullet_Speed_Data,Y( w/ W3 O/ N, i( Y# W
- STA Bullet_X_Speed,X
: A' h4 V+ [. P" t" ~ - RTS& R0 k' [/ p7 p! H, P4 \
- L4_2: 5 P4 y+ Y ?7 N! r9 z5 s- o
- LSR
( L6 v2 K0 s9 I: k: F. l$ e" g - STA Data_buffer
4 }: j; |( S9 D' G+ L7 g) M3 N1 \! t1 [ C - LDA #$00
# P) c8 O+ G3 ^, o - SBC Data_buffer
5 q: g8 d; h" x - STA Bullet_X_Speed,X
2 v' r* S9 q' c' D* P* ? - RTS& C7 {( ?7 P( h( Y& n. c+ ~1 J
- / i- X# Q' d: u3 w
- Track_Enemy_X_Equal: ;子弹X == 敌人X+ B9 v9 e; s- M7 T
- LDA #$00; [/ T" X0 t) S3 n$ X
- STA Bullet_X_Speed,X
7 T: I# v, x/ H/ F9 H |0 m4 O - RTS( M" A6 G& {% o; o; v2 S# @# s
-
h" b; K9 K( \3 V8 `% V - Bullet_Speed_Data:
- c2 Q* J# Y! _' Z8 ` - .DB $00,$03,$03,$02,$03,$03( V1 Q+ R( K7 q( _% D2 W* Y
- 4 c9 G6 O$ [1 `0 T3 Z
- ;2, 4关; y1 I) M* V' E S2 }
- Track_Enemy_Ex:
! o8 h0 X( T" ^. Q" p6 I/ v3 U! P - LDX #$0F
& ~6 X: S8 v" z' @+ a3 t - Track_Enemy_Ex_Begin:
0 \2 ~8 H* M W" Y
! b4 b# I: u8 K+ J: P4 l8 b- LDA Bullet_State,X4 s; F" D) d8 g
- CMP #$01$ A( c) u6 l& r, c8 Z1 A. R
- BNE Track_Enemy_Ex_Continue
% a% B& ]/ y. c7 b -
' c! [/ K$ }8 J+ R9 Q2 A1 A - LDA Track_Enemy_Index,X
& E1 {3 Y) i$ A& a1 x) R- V I# N - CMP Enemy_Index9 Z4 S; z8 H1 C& t& X
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
2 q4 G4 C6 [9 P. g" ^ -
( g6 ~9 C* p, ~3 h* V1 E( h - LDY Enemy_Index- {8 B0 n- d* P( Q
- JSR Track_Enemy_Ex_X3 i' }" y# P, q c
- 1 t8 H( g' _: p `( D0 C4 k
- Track_Enemy_Ex_Continue:
; d) b! S6 s6 J3 }$ Z0 }$ a - DEX
4 ~3 D# S' T1 z - BPL Track_Enemy_Ex_Begin
1 E- n$ @; F/ q" ~8 w; g- K6 ? - Track_Enemy_Ex_End:
5 Z* ?9 \# A9 P( I6 D - RTS
0 y. T7 f" A* I8 | -
1 Q. W, r& l( C0 G! a - Track_Enemy_Ex_X:
' i. O" }( }5 ?# _ - ;LDA Bullet_Z_Pos,X0 U* a( D& w- _0 B
- ;CMP #$04: T; _" Q- J2 C/ e
- ;BCC Track_Enemy_Ex_X_End6 c ~, L1 I" L6 ]6 ]% t
- SEC( f4 |/ y/ p) |2 |% J/ ]1 C
- LDA Bullet_X_Pos,X" H6 Y' M1 `3 O; d2 \
- SBC Enemy_X_Pos,Y( R S: `- I( r1 C! w+ d; `
- BCS Track_Enemy_Ex_X_Greater
0 {; c. n" x5 u% g7 P0 A -
6 @) Y" L; B1 p' L3 A" A - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
# W# l- s/ N% Q - CMP #$FD
# h$ @$ U6 v- D+ b! G. Y - BCS Track_Enemy_Ex_X_Less_End2 H, g8 [: N5 _5 x# d
- LDA $6020,X
5 [1 J" p# P1 D+ h& u - CMP #$2A
6 A3 l6 {1 p9 [6 J - BEQ Track_Enemy_Ex_X_Less_L1( H- N& }6 Z9 v* ~
- LDA Bullet_Z_Pos,X0 o* X2 E4 G2 }2 ?" _
- LSR5 Y: c4 I% G* ?5 q7 K
- TAY" T; j' E I1 T7 a9 p: x7 ?
- LDA Bullet_Speed_Data_Ex_R,Y, M2 ]" u: Q9 X& C/ U" E, a
- STA Bullet_X_Speed,X
1 A% t& S3 R) E - RTS' B( w$ }4 G2 p/ W/ V$ U
- Track_Enemy_Ex_X_Less_L1:) I7 ~& x7 y# ^0 G
9 p. E( q6 G- `7 M9 N/ |- LDA Bullet_Z_Pos,X
, H3 M8 w9 z1 t! n# \ - LSR) c/ V0 n$ I2 N
- LSR
) a7 W5 p' v/ c! g5 J! ^% K4 n, r - TAY
) X+ g$ P* r$ e) d - LDA Bullet_Speed_Data_Ex,Y
G0 \: }! v8 ` - STA Bullet_X_Speed,X. |& U% W. ^' Z a/ S
- RTS" }7 M: u2 q4 m# W6 d, Z& I- U
-
# n! ]7 y# V3 s, N - Track_Enemy_Ex_X_Less_End:
5 v, s. d! _% H0 j - RTS
: t1 c K5 }) J - 5 v% H: `( y5 I- Y5 o
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X, \! B& N+ Q4 ?' n: _
- CMP #$03
I# u- |8 p! R! O8 n - BCC Track_Enemy_Ex_X_End2 ]8 k( K" O4 }7 N
- LDA $6020,X
$ q. Z( J' q% q) V" E0 l; c: c. d - CMP #$2A
$ N" _9 ?8 v8 U% } - BEQ Track_Enemy_Ex_X_Greater_L1" F6 q2 \; R8 @/ C c7 n
- LDA Bullet_Z_Pos,X
( [0 N! l: v5 T3 t) v S - LSR
/ t# M9 n# U% p; g - TAY6 l( p2 ?# U1 F( K6 J- Q4 I
- LDA #$009 ?5 @ V2 h5 l8 B
- SEC
- t# k7 `9 m# R# D( B2 _- R - SBC Bullet_Speed_Data_Ex_R,Y" g* w* ~; j8 |) K: D0 p
- STA Bullet_X_Speed,X# U1 J0 j( Z* N& I$ S6 d4 C
- RTS
1 v3 c5 a- r0 v( d -
- u. s3 f9 O* a - Track_Enemy_Ex_X_Greater_L1( Y' R+ x. q5 O) t2 v
- LDA Bullet_Z_Pos,X) L. G. c2 I2 P8 Z5 G
- LSR( A Z% H. `8 k- X9 a& m
- LSR m U7 H) x! I+ z# l0 K7 g+ f+ e# R
- TAY
3 ?' s f4 ]; {8 a: w4 q - LDA #$00
6 H" v# G; Y% s - SEC% N: e3 _( f0 G
- SBC Bullet_Speed_Data_Ex,Y
, Q& _" J9 _% V - STA Bullet_X_Speed,X& d/ e$ [# ] T0 b5 A7 d) T
- RTS
& y+ R k- ?" \/ N% \4 D2 M - # k, c% D% z% N4 |* N
- Track_Enemy_Ex_X_End:
7 C, R1 P- z6 a/ h: ~ - RTS
) C0 i0 J$ W' F; p6 t -
* d/ m: z6 C( O% L - ;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)
. e" @& y4 J' \0 n" R - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上; K; ~: z- B6 n& ~1 o
- Bullet_Tract_Direction:
s% u4 C2 J j - LDA Bullet_Icon,X ]( c* F; C4 W* B3 P7 {+ i7 H* f& i
- CMP #$23# ^- q; T# y$ e$ Q8 T5 g
- BCC Bullet_Tract_Direction_End
# j5 a( C* @; E1 ?: X. Q0 A3 p- v -
. q% i2 r V) ` O. O - ; X != 0
+ S! `: v# @1 n6 q; Y - LDA Bullet_X_Speed,X
: t- `: x. `1 S8 i4 f+ E/ ? - BEQ Bullet_Direction_V+ a/ r# t( \, z, }- T- w, e3 E
- " a: `! T& r1 }7 ^
- LDA Bullet_Y_Speed,X1 C/ |" y* i4 \. E" ~6 M! {+ ^$ o
- BEQ Bullet_Direction_H
- r) q5 N6 {6 |; f+ H6 W -
- a7 Q6 e& b# c* W$ V, B' O - LDA Bullet_X_Speed,X
, m+ h8 P# Z9 C" K. L1 B - BPL Bullet_Tract_Direction_Right
7 a5 s$ J2 Y+ @5 w5 E - Bullet_Tract_Direction_Left:
& e1 D- j7 X e4 C - LDA Bullet_Y_Speed,X
) Z; N' W* q1 k2 x; F: a/ e B. _' ? - BMI Bullet_Direction_Left_Top
4 p; b) F; b; u2 A - BPL Bullet_Direction_Left_Down
' L& t! w( a% ]1 m+ X - Bullet_Tract_Direction_Right:
0 S% o3 p4 }2 h - LDA Bullet_Y_Speed,X
6 J3 b' V. x) F! _9 Q7 `9 x9 Y/ t - BMI Bullet_Direction_Right_Top9 L) X' Z7 S" \, Q$ J
- BPL Bullet_Direction_Right_Down! U% ?; u; K" @! c% [* s
- Bullet_Tract_Direction_End:. k$ y' B. @, ?# e% g: ~/ }
- RTS" E9 Q# N. P$ c% ?0 h1 k$ u' f" ]
5 I4 d' |: x) g) j1 v0 N9 ~- Bullet_Direction_Left_Top:8 H+ V- t* Q& i3 u! g0 w
- LDA #$258 j) N. a7 M/ K1 J3 g
- STA Bullet_Icon,X
3 w+ b, l+ e" J - LDA #$C0
4 f" R' p; W; c( p& x - STA Bullet_Direction,X+ t0 l" `* D7 g. A. A# f; m
- RTS
6 y, K8 w& S7 d: H - - l3 v7 A% Q& D& O
- Bullet_Direction_Left_Down:
$ F1 o; g$ P2 @+ t8 l: |/ T+ o - LDA #$25! d9 } m& ]: F" K
- STA Bullet_Icon,X
* Z: d, p6 O! l2 E; c% w* \ - LDA #$401 \2 f6 u) `1 R% y* m% E
- STA Bullet_Direction,X* N* h: D* f+ _; q9 O4 T* \; ]
- RTS& `- q+ h3 F$ {3 M& D
- " ]/ x# i) y# S; k5 n
- Bullet_Direction_Right_Top:( E2 r5 d6 i5 I9 M* e: m1 v _
- LDA #$25
% H, ]# l5 C6 X - STA Bullet_Icon,X9 n/ d1 h2 |8 t) ]+ L
- LDA #$805 `( `: J( m& H1 A% u/ h( t
- STA Bullet_Direction,X* w0 u8 K# A% [- K* S5 o
- RTS! y1 r' {3 q1 l- \- h s' Q, ?
3 i7 i. _; k3 {) P7 P4 g+ I, r- Bullet_Direction_Right_Down:9 z# l) ]4 ~# U
- LDA #$25" A- K- f+ c' D& b$ V
- STA Bullet_Icon,X. Y% J; M3 q/ R6 a. [9 u
- LDA #$00
3 R# m3 D" ]! T& t - STA Bullet_Direction,X2 v: i6 L# Z( F2 N( R
- RTS
7 D0 i- a7 c8 E2 c7 Q( H8 o) o* G - ) c! ~* n3 r3 `# j
- Bullet_Direction_H:
2 c9 _/ T1 A$ _8 |( D: @- ~ - LDA #$24
- X4 M7 R. T" y( {+ R - STA Bullet_Icon,X+ Y' m1 N- U( Z4 }! @# T
- LDA #$002 y' ?5 _" P- t4 F' m! O1 D7 ?9 E+ W
- STA Bullet_Direction,X
4 U* V( s+ p$ W5 u3 V3 O" ` - RTS. i) V" V! J' v9 ~* O. T: ]
- 1 Z, S, \* p$ I, E3 r, w2 W, U
- Bullet_Direction_V:! C: s5 F6 J j5 Z! Q
- LDA #$234 u( B! x, ]3 A" ?9 b1 w
- STA Bullet_Icon,X% H) A/ o. V7 h2 Z2 L# F* I' k6 T! {
- LDA #$00' o, W3 H8 }+ h1 h) _
- STA Bullet_Direction,X2 n" L1 o+ I* }4 Y6 |
- RTS! G4 I( W5 X! Z( E
2 ]; n2 H' x' K% x* K J4 O. j- Bullet_Speed_Data_Ex:
) _2 V3 y# f" w8 Q - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04/ r9 Q9 t. |( c, j) [" B/ H: P' b
-
; W9 ?( f/ @7 x7 F( A8 B - Bullet_Speed_Data_Ex_R:2 W$ i+ S3 x! ?/ ?# a4 S7 j6 B
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$083 C3 ]' G! D# s# B8 E4 ^" e
-
复制代码
& Z+ B+ a1 Q: }2 y* Q" O' e6 e% x3 a% x2 c
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