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[FC][魂斗罗][J][追踪弹]
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, u6 S+ L5 W" X! f时间:2023.04.30) m: @! X" f, |' X* B: n: N
作者:FlameCyclone
% c) s5 B) T) |. ?! |# \内容:
- @% w' b6 }' N7 o4 \: X 1. 所有子弹追踪敌人
1 _: B5 ]& E! O" s: W 2. 选择键切换武器
2 b( q2 U+ X$ { w$ D k9 V; { 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3 @' w+ L* D9 n' m$ f( }- \1 \
. M8 O: {/ V3 Tflamecyclone.ys168.com
/ |; b- e( c( n- d9 _
! Z7 \! [3 K( F7 E% |- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁1 G$ l+ _2 ]% T/ c3 i: S' o m7 x
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L5 r2 v$ \" P* |5 B( H- n
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)8 e* B) k- U$ }
+ S! }% l. {+ W( M- ;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 ]5 @3 x2 ~6 D8 c - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上! t9 n% g$ s5 L2 R
- . z6 H* S' U: t
- Track_Enemy_Index = $6000. {, ]& j+ s6 ? M5 E1 S
- Enemy_Index_Begin = $6010
0 E/ J% ^, w2 o1 p - Enemy_Index_End = $60116 O3 s: ?& d5 d3 Z6 U, v
- 1 t1 V. X* ]% E; p6 t! Q" \9 }0 g
- Loop_Index_I = $6012& \& D& J8 I2 W$ q
- Loop_Index_J = $6013# X$ z# O' f% e3 f
- nEnemyIndex = $6014
$ | s& c! p" E9 a( y - Data_buffer = $60156 q$ D# ]( D! M/ `! ]
- - A5 z- u, n! k; K- e, j7 k
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标5 R/ t0 h. ^" ?7 W# U- p! J
- Bullet_X_Pos = $03C8 ;子弹水平坐标
: M2 F& |/ ~. x$ R - Bullet_Y_Speed = $03F8 ;子弹垂直速度) x& I, T* a1 ?& O3 l& ~* B1 B
- Bullet_X_Speed = $0408 ;子弹水平速度
3 N% p. p$ @1 t/ |( g - Bullet_Z_Pos = $0418 ;子弹Z坐标& t/ e7 w) w: y4 O2 Q$ `& o2 x$ H
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P+ C# g8 Q+ T c. V0 q2 E& X
) f( i8 z4 w% P' _2 m' w! 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5 t0 r! n% N; D! |3 x% Q B
- Enemy_Blood = $0598 ;敌人血量( \+ O3 g4 R. j
- Enemy_Type_Addr = $0528 ;敌人类型4 h4 o3 k. d+ |0 \* ?/ ?& u% z
- Enemy_Blood_Addr = $0578 ;敌人血量! |+ I3 f: X7 S; h( F% z
- Enemy_Y_Pos = $0324 ;敌人垂直坐标( T2 W, B3 G$ `; v, [- X) C
- Enemy_X_Pos = $033E ;敌人水平坐标
% X! |3 h8 [- ~2 j/ J - Enemy_Y_Speed = $04E8 ;敌人垂直速度- B1 W: j9 N6 D" @
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸" v+ n" @& C" q: i5 j7 s+ v
! J/ N* `. o) |' n$ I+ N" T/ V- Enemy_Index = $83 ;( Y9 }4 T- G5 R: j
- Time_Count = $1A# W1 I* b8 W" Q/ A- _: ~* h
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, X- }1 s1 i8 \5 @# O - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
" p6 [5 O5 {0 H/ i& h. U/ r - 8 }! h: t6 { }8 [1 }
- $ q; }, p: x, q9 X+ } s% D
- .ORG $6100
* @3 [" _2 G" d - Process_Begin:
4 J. _, W5 ~" @" y: y& V - JSR Enemy_Check
" V- t3 F" N6 R, \% H - JSR Track_Enemy_Check
. p6 k" o( V7 [3 d' L+ | - Process_End:
$ V, X, {; {0 G; w8 Y - JMP $E54F
! [, Z, [* R: V; W+ s1 o j - + D% F" x6 `# k9 B$ n w8 [
- Enemy_Check:* {( f) h4 O7 }4 Y6 i) Z4 C) r% j; T0 }
- LDA Time_Count" k1 \+ [- w3 {8 o# J4 \( \( [
- AND #Track_Bullet_Speed
0 H4 C2 U; _3 ?8 h( J. W7 |- r: U - CMP #Track_Bullet_Speed9 C9 k0 Y4 {6 G
- BNE Enemy_Check_End
; k/ Z9 C1 ?6 t, a - LDX #$0F/ m6 u* f1 j% p" g
- Enemy_Check_Begin:& o- W1 V2 h6 v' ~& M4 m
- LDA Enemy_State,X
# _8 y7 U2 r. { - BEQ Enemy_Check_Continue
4 a5 ^7 E7 y+ k" B - STX Enemy_Index
y2 z6 F" r9 `/ j - JSR Find_Begin_Enemy
+ l1 u7 H7 Y7 I/ q* b - JSR Find_End_Enemy
) L2 _9 V/ ~0 d3 ]& c- a - JSR Bullet_Track
, G% o# l( o. x" F! I: ^ -
" M: C9 A \: a, Z - LDX Enemy_Index
4 n: e0 K! m0 Y/ g- m0 R _! w- m - Enemy_Check_Continue:3 b9 u9 L" r6 N# |
- DEX
1 a ?8 o9 k8 |1 Z5 |5 v - BPL Enemy_Check_Begin s8 ?7 d' r* w
- Enemy_Check_End:
" r( K9 Z4 ~- q8 n - RTS/ v) }2 x# `4 C' u) z
- # a" r: \. Y1 M* d
- Track_Enemy_Check:0 l5 V" L0 F" V6 H- \- ~! V$ I' F- |
- LDA Time_Count
& {" {# P' l# i3 t - AND #Track_Enemy_Speed3 J* l4 Q# A" m! Q2 R+ ~9 M% l8 }# Q
- CMP #Track_Enemy_Speed' U$ _/ N7 P& \
- BNE Track_Enemy_Check_End
6 S9 `1 q( A) n+ f - LDX #$0F7 t ]7 _ p5 V2 E- t) I) d
- Track_Enemy_Check_Begin:/ |; O. ~& x9 d4 t$ o
- LDA Enemy_State,X
7 h/ s4 F8 w6 H0 j - BEQ Track_Enemy_Check_Continue4 u5 ?! E% v2 U& o x; D0 F4 C% ]
- STX Enemy_Index
3 K$ W4 j! s/ e, Y" N -
K" ^4 m+ G# t* [# l/ F$ _ - LDA $40
2 b6 E8 _& Z" p$ g% p! Y" g! `7 s- a - LSR
5 `" z" m$ b# s% p2 Q- r6 m - BCC Track_Enemy_Check_Begin_L1' n: O6 s' O. v
- + [1 U5 c; P- i( R
- JSR Track_Enemy_Ex ;2, 4
g8 H3 v) {$ [. T - LDA #$00
3 D3 ?+ n! g2 a0 V2 ` - BEQ Track_Enemy_Check_Begin_L2
8 v+ F; C3 n2 n7 t: M - 9 Y( x+ v. ?: I
- Track_Enemy_Check_Begin_L1:
8 K) {8 ^1 C" q0 ?( {& i -
9 P5 [1 n* p8 o/ [% d( y/ s0 ], ^6 s - JSR Track_Enemy
H* {0 w" d/ m3 \$ J/ M- U5 C
( e* v2 G4 X% {5 N% @- Track_Enemy_Check_Begin_L2:( x5 }/ z6 Z/ ]3 M( m2 v
- ! j, K& ]. f5 y# _
- LDX Enemy_Index- \! z& y, Y) [" B) @# J' F
- Track_Enemy_Check_Continue:+ t+ A7 F, a/ P# ~
- DEX
# }6 ]2 N! Q7 z - BPL Track_Enemy_Check_Begin
7 ]* v2 a+ X* L+ c2 A3 { - Track_Enemy_Check_End:0 [. t6 q' d0 u# w7 L! q
- RTS
z0 V, @: T# v - 9 h( }& `( J& h# s4 ^, B( j, C
- & [ x# C9 q6 z$ Y0 ]
- ;查找第一个敌人
7 h0 E2 k' o% J, O! f" } - Find_Begin_Enemy:- c& U/ N# U" l# G
- LDX #$00
6 Y, P! `: K+ y+ Q* r& ]( L# o - Find_Begin_Enemy_Check:
( Z+ I7 S9 P4 {) y* B1 Z0 n - LDA Enemy_State,X7 e/ q4 i* R8 N V+ E/ l+ @
- BEQ Find_Begin_Enemy_Check_Continue
( k( o3 e' `5 ~( N - LDA Enemy_Blood,X' w3 c5 w5 Z0 q
- BMI Find_Begin_Enemy_Check_Continue% ^# t$ P: F* u8 t+ Y
- BNE Find_Begin_Enemy_End( w1 K3 ?$ h: X4 t: R9 p t
-
3 R8 K" w! B5 g3 b1 v7 l8 u - Find_Begin_Enemy_Check_Continue:+ E& f) ^7 t+ M' v( ~
- INX c3 O- z( j5 O' d# Z9 L9 O( g
- CPX #$10* p; H+ u/ f3 T% q/ ]
- BCC Find_Begin_Enemy_Check0 z. U( r2 a/ J y3 u
- Find_Begin_Enemy_End:, a G/ q, g* B# D
- STX Enemy_Index_Begin
: M F7 g$ l: I. q( r - RTS
& j! r K) T7 ?( T
) f; y& N0 R' @- d5 A- ;查找最后一个敌人
, o4 v' M% l$ Z z( ` N, ]% R- v1 Y - Find_End_Enemy:
. X: E4 [4 N3 N7 u1 ?# }# h - LDX #$0F- U# ^0 q O3 y. W+ {: l
- Find_End_Enemy_Check:8 T3 m) g0 Y9 U# r! y; Z
- LDA Enemy_State,X% L- `7 X% p3 }+ `5 @' q
- BEQ Find_End_Enemy_Check_Continue
5 n4 Q& w/ {1 O6 w4 _7 {. y - LDA Enemy_Blood,X
7 e1 [/ G# s- u+ x1 k/ q: A - BMI Find_End_Enemy_Check_Continue
' K7 _9 z2 q& b - BNE Find_End_Enemy_End, y+ @) `0 P% z# S+ Z3 E6 |
- o9 b0 M$ f* f" D" n* q
- Find_End_Enemy_Check_Continue:; j8 m% ]# s4 _* M8 j
- DEX8 e" r1 }4 _, ^* b
- BPL Find_End_Enemy_Check# W! ]! e" L; k
- Find_End_Enemy_End: u) f d! r9 k# F
- STX Enemy_Index_End
$ S; y9 g- E% l A" j - RTS: ?! `- t3 G+ [9 c) s
- ! o) T6 f4 x$ R7 ^0 d
- ;子弹追踪7 F; H2 V( C& }/ f, i ^
- Bullet_Track:4 o5 g! V' x- t5 |6 h6 Q7 e3 p
- LDA Enemy_Index_Begin, x1 c. v) M7 T; l
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;* G8 b8 S$ ?" t5 r/ r
- LDX #$00
2 W B( s' t. o - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)0 R5 h X" ~0 o6 [% T: C/ i
- LDA Bullet_State,X
$ I3 n9 F( V/ C; P( g - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
* g0 ^, B) @8 L9 m3 o2 l* n8 T - STX Loop_Index_I8 y" M6 T/ E0 a9 ^/ f- x- o v
- 1 d4 l; {9 Q D( A7 D! J8 a, s( Z
- JSR Bullet_Track_Enemy
: _! N' e# y! `1 |0 Z - JSR Bullet_Tract_Direction
# F2 Z/ S, B8 `$ H# ?. n1 o" Y -
. V ?. e% C. a# }4 z - ;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
* l, }+ V j' O* ]% i - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
3 A7 X5 g. u; O5 A - LDA nEnemyIndex6 ]4 J# n& S/ s4 C
- CMP Enemy_Index_End4 a% Z: Q9 w* B' i% c% H
- BEQ Bullet_Track_Check_Continue
! Y/ T2 w i8 c1 d9 V) V - BCC Bullet_Track_Check_Continue0 P# N$ `/ O) l# ?2 E
- LDA Enemy_Index_Begin
# N4 ~) E/ X/ I/ K8 K/ A - STA nEnemyIndex
0 ~1 w3 I$ Z( a! d9 I% n/ i/ W - 7 u1 ?! p F, v# X! ]9 `
- Bullet_Track_Check_Continue:
2 o5 L$ d+ Z. ~2 n# u - LDX Loop_Index_I
: K7 p( k) l' l! ]: D: ^. W - Bullet_Track_Check_End:& J/ c& E, X+ Z$ w1 Z- X& M% _! n
- INX
4 \& _6 E3 l+ }$ H! T; A - CPX #$10
; t$ ?! ?- A; |0 ]! r - BCC Bullet_Track_Check
& E) y. `: T! ^- `5 [ - Bullet_Track_End:) |$ c1 _/ Z9 p6 O- w
- RTS
9 \) {8 y0 `6 u' T- n/ {. m$ n -
$ @" k- X4 ^& y- E9 K q* X - ;给敌人分配子弹4 X/ ?" } k# _
- Bullet_Track_Enemy:
$ ~ f7 G8 J5 O( O: n - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
2 Q+ P3 q# X ] - Bullet_Track_Enemy_Check:! M2 C. w o9 K
- STX Loop_Index_J E% q6 H# v7 [2 I/ _4 z4 q: |2 o
- ( h! _* x; W( [4 W/ w% ~
- ;if (0 != nEnemy[j] && -1 == nTrack[i])" v# ^- w# \2 V; X- ^, P4 r; ]
- LDA Enemy_State,X/ t3 T; V3 t# Q! f
- BEQ Bullet_Track_Enemy_Check_Continue
% T/ M" D7 i6 U) W- J1 D# | - LDA Enemy_Blood,X
; q" g! u( Y4 b/ d. X+ } - BMI Bullet_Track_Enemy_Check_Continue
. m; Z, X% J( \; g* a4 U: M" ? - r9 M$ N5 L. [7 j N
- LDX Loop_Index_I# h: n3 M7 }7 Q2 d) E) \, V$ _
- LDA Track_Enemy_Index,X
8 f" _% W, }6 {$ z. w - CMP #$FF
; f, |3 [1 w; N9 v+ c! B4 l7 L - BEQ Bullet_Track_Enemy_Init
# q, \2 d q7 {' e5 m. a( f - / d+ D6 N: i- ]0 B7 K' n
- Bullet_Track_Enemy_Init:
2 ~1 d" v) h! h3 @; {" g! _; k - LDA Loop_Index_J2 U* |8 u4 A; V. u% R
- STA Track_Enemy_Index,X ;nTrack[i] = j;
% d! m! e; h5 K* _ N6 T - $ l8 R! y' i2 e! r6 A
- STA nEnemyIndex# D; x! J J+ q9 g. h s5 R( X" Q4 B
- INC nEnemyIndex ;nEnemyIndex = j + 1;
) G( D3 ?* t8 D9 y8 J& a S! d - RTS ;break;
2 e4 i$ [# p1 w! ~* ?' h) r/ c9 c
8 ?. L( K5 U* q, _) Y- Bullet_Track_Enemy_Check_Continue:/ @, _$ N; q8 n& F% G/ G
- LDX Loop_Index_J
. i2 r5 h. Y5 d - INX ;j++
' R2 k9 d6 z! ?0 n% w - CPX Enemy_Index_End7 ] o& }5 B* x9 J
- BEQ Bullet_Track_Enemy_Check+ l( k' t" n" h0 V* z0 \. ~! J
- BCC Bullet_Track_Enemy_Check# J; u* c- }% c& D! `
- Bullet_Track_Enemy_End:' |) K( [5 Q0 g0 I, @
- RTS
, T, y4 x- b; Z- W& | - 6 N2 q( T5 @1 B; T3 H
- Track_Enemy:
7 s( i& x0 [$ Z! x - LDX #$0F
& ?7 S/ L, b, r9 D5 v: n% R5 p - Track_Enemy_Begin:
" h% t: \5 f ]1 D4 n3 e - LDA Bullet_Icon,X
& f9 Y: s X0 x" ]# n9 S( m9 }8 O - BEQ Track_Enemy_Continue
2 d* ~' B; P) d! c s - LDA Bullet_State,X; d6 O2 V2 o# l. d9 w, C9 K
- CMP #$01+ [" Z- m8 y0 `$ A/ M3 |% P
- BNE Track_Enemy_Continue; y3 i8 Q( Q1 o/ T, B# y0 F
-
! _# c5 p$ T6 U- e3 P( t$ L2 y - JSR Track_Enemy_Process' X( q4 V+ b P, i* x
-
+ W5 R" o& ~* D: B. R - Track_Enemy_Continue:: o8 l; o' `) D( _8 w
- DEX
2 w& f" b' h; Z; J% p7 N- u8 ~/ n - BPL Track_Enemy_Begin G. D' K0 p: |$ a, w) `- I
- RTS
4 T# C# l Q7 }
6 F* j& ~4 j+ h1 E h2 R' P2 m8 U- ;普通关卡 n: `3 X% ^7 h2 b, j+ p: D
- Track_Enemy_Process:
- V" r2 z3 Z. g! R - LDA Track_Enemy_Index,X
- t4 g6 H2 h* i) R7 ? - CMP Enemy_Index
- f1 @( J9 E: D7 e - BNE Track_Enemy_End
9 p) W+ G4 ?' `& F - LDY Enemy_Index* Q3 K6 D4 o/ h7 U& {" m. T% a
- JSR Track_Enemy_Y# c g, ?% e4 Y+ R" ]
- LDY Enemy_Index
5 r c0 S Z- {. F0 A. E - JSR Track_Enemy_X
6 Y% b1 r) ^7 U l4 @# i - Track_Enemy_End:
: i9 N( U. N: [8 `- Y" D( A* H - RTS2 J& O9 _1 E1 k: a b$ T' C
-
9 _4 S0 U1 Z7 t3 e- `- l - Track_Enemy_Y:
; P1 Z7 p' m% n. Y - SEC i# D; u% i6 q9 |& _& I4 Y1 d
- LDA Bullet_Y_Pos,X( C8 ^6 b9 @ O; }1 i- q9 o
- SBC Enemy_Y_Pos,Y& ~, q! X0 S2 M. F3 @! z5 V$ r# r
- BEQ Track_Enemy_Y_Equal4 ~) |* `- g% q" U
- BCS Track_Enemy_Y_Greater
' M" G7 E5 i* ^, X" K$ O; c - ' t4 E4 W# |' @- Y7 v! D
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
- R, Y* V6 H. S5 U& V/ z- E% ~8 ] - CMP #$FC
: L. C2 o& n: u/ U9 w Y- G# Y - BCC L1_1' ]$ ]! b- U, d3 d$ x
- CMP #$FE. i+ G6 u& Q* Q2 Q
- BCC L1_22 Y$ p/ M7 u! D2 a' P. k5 A5 {
- LDA #$00$ }+ z7 r+ A% W
- STA Bullet_Y_Speed,X8 Q) x0 P/ E- S. I q
- RTS
, P' q3 F+ Z" K: Z! ^! g& Z3 @( M - L1_1: ) k7 `- J7 G' [2 e5 S
- LDA Bullet_Type,X& \/ |& |3 C0 X r- v
- AND #$0F
/ R9 C7 E6 Z& I* z$ s' n, e - TAY
, ]# G- J# |) H2 a3 t, [9 O9 i - LDA Bullet_Speed_Data,Y* _* I5 B U% _5 _3 G) T
- STA Bullet_Y_Speed,X" r- R0 W4 G1 H3 U, n& P6 @
- RTS- i r+ q, ~9 C' F/ q
- 4 t+ O q: p& l; ~( I6 S
- L1_2:
2 Q; ^8 L* ^+ Z1 H) h - STA Data_buffer: E& K! c( H0 i, P5 Z* p
- LDA #$009 F5 U- a0 d( c9 k. j' \$ `+ T7 z" I/ D
- STA Data_buffer6 |6 E. S: r- `2 G
- LSR
6 M3 u) l) t+ u1 E1 R i- V M+ k - STA Bullet_Y_Speed,X
& R2 z9 M2 K k7 z/ f- M - RTS1 }6 d& c0 h" f6 t4 O3 B6 ]6 {4 O
- N( M: Q l% y# f" t) y$ i- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
8 Y6 y& r7 ^# I* x5 L - CMP #$04: p. x3 z$ F; k8 c4 e5 T8 Y
- BCS L2_1
. v6 q5 O' l! E4 v" h$ P: | - CMP #$04
/ q3 x. g$ a/ E - BCS L2_2
" Q* _0 l5 p6 K2 C& |, q - LDA #$00
" f2 u, D+ j5 B r - STA Bullet_Y_Speed,X
- f3 _8 S& o5 _% O8 a/ r/ n6 T& K - RTS
) h2 R$ O' ] ^; e& a7 X5 N -
5 w' |8 v0 E" W7 _* z - L2_1:$ L* C8 @* a$ J% \
- LDA Bullet_Type,X
- `0 `5 ^ Q9 m. q - AND #$0F) c! }# q, u' {8 _- o0 n4 {
- TAY6 y9 x& E1 M5 Y9 t* b, J6 ?7 _
- LDA #$00
1 D: q2 [" w5 U9 ? - SBC Bullet_Speed_Data,Y
/ e* w) n: W- o' ^/ K - STA Bullet_Y_Speed,X
: I0 [2 D0 N- @9 b+ g: X* Q - RTS' x' {' `% M' E0 ?9 |
-
3 ?3 Q8 S, s0 G/ z5 R* g - L2_2:
0 V1 e. X' n# `9 o" K - LSR2 v2 R5 W3 A- r8 k6 L) b
- STA Data_buffer
4 b! s9 P% A$ @6 L - LDA #$00
; y( b9 V4 [* N u5 R) i - SBC Data_buffer: d& H, z: O, e6 C; @
- STA Bullet_Y_Speed,X
( y7 A$ R0 X, \; }, o: L3 G; q - RTS" b9 I# D2 i) m. j; J. E
- 0 M9 X$ J1 P1 N# E! _
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
, V0 o" P: z5 f6 P9 v R# m - LDA #$00
& c+ t7 i8 ~' b2 F, q D9 x: V - STA Bullet_Y_Speed,X* \+ p, Z9 b( ^' Z* ^
- RTS, y5 l0 ^' y* Q4 ] b
-
( M5 d: B6 [/ r( Y) E* W - Track_Enemy_X:
( j: k* T9 m8 v- Y% k; U. Q/ { - SEC. V4 S2 t( Z% O% C# E' n/ O
- LDA Bullet_X_Pos,X
7 z; d r. t5 X# k; j! b - SBC Enemy_X_Pos,Y! s: [7 q* v1 P' l1 A
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X3 v5 l8 g m' b1 w" b( g5 P
- BCS Track_Enemy_X_Greater ;子弹在敌人下方# p+ W. ^" \3 k0 j6 T% E
- , F% G0 |& v3 g q( _1 w
- Track_Enemy_X_Less: ;子弹X < 敌人X6 K" A# z2 g/ t/ H" z
- CMP #$FC
3 O# D3 m- @3 T/ V# f, c8 O - BCC L3_19 N1 {4 ^& Z4 W4 {
- CMP #$FE
( J& Z0 h9 x( J7 j: @" R- ] - BCC L3_2
|/ ~) h- Y# A6 g0 l1 q - LDA #$00! K9 H6 q1 l9 X
- STA Bullet_X_Speed,X
! p/ |$ W9 J& S `+ i2 ~# }3 {3 b - RTS
" a& z. O. V0 B; Y2 G5 B# v1 j* ] - L3_1:
# b# W- ^' M% i6 |8 E - LDA Bullet_Type,X
3 y( |: N; i0 L$ g' W, g) l - AND #$0F
4 |9 |$ K+ Y& N- p& C* n- t8 e - TAY
0 D( Q5 W/ w' C7 S: L6 O' y - LDA Bullet_Speed_Data,Y2 b, X# s9 `) A! g2 ?3 c" A- W
- STA Bullet_X_Speed,X
9 a0 p6 J# f3 ` - RTS
& v% f' I, n2 @ - L3_2: 4 @& K' D3 g+ \
- STA Data_buffer
( o# w0 a* E6 ?# Y; [7 m6 R9 d - LDA #$00
) Q% G7 {1 R& F - STA Data_buffer
( d) }) _* L8 Z9 ` v - LSR# ? A1 T! p( D4 N& A
- STA Bullet_X_Speed,X5 |' f9 W1 [% v
- RTS: a: x( z/ N$ X% o/ O4 q1 N
-
9 Z0 M( O/ U5 k! A0 c0 A; B) H$ A - Track_Enemy_X_Greater: ;子弹X > 敌人X
2 k" T( G4 g# \ - CMP #$04+ P9 f6 E# [& s- \
- BCS L4_1+ |) S8 v5 S* e0 N2 ~5 c
- CMP #$02
* W4 d4 y5 K9 B. b4 a/ u# s2 I - BCS L4_2
) N8 w+ P4 k. J3 Q a7 H( W: t, C - LDA #$003 h0 ~* [/ Q9 R v. t5 x- E, @( X
- STA Bullet_X_Speed,X( `% g+ u7 C6 G7 f
- RTS
8 E9 r1 d- u' n2 ^ -
) v$ Y7 t* X" q' q, s3 e - L4_1:
( f8 A# o# Y0 ^( ]; ]/ G - LDA Bullet_Type,X& ] E/ j* Z6 `+ N! Q/ k* S1 R
- AND #$0F
- h6 m7 R# P0 s8 c# X% A - TAY
( e9 }2 @+ r3 _$ g, C3 x( C7 ?, C4 b - LDA #$00
+ u1 |' }1 ?7 l- a8 s3 q - SBC Bullet_Speed_Data,Y( Y6 X1 y0 D0 X+ ~& ~( [8 z( P
- STA Bullet_X_Speed,X
) a: _7 e; G2 e - RTS
3 t# H! |8 \5 o0 Z! Y* @8 }" O - L4_2:
# _) J4 M7 E _0 i - LSR7 d+ S( U$ I1 \7 ]
- STA Data_buffer
9 K3 R4 j6 n, V( i. ? - LDA #$00
$ D" t6 u" K+ Q( g) k - SBC Data_buffer
" n% G9 J G- K( H - STA Bullet_X_Speed,X
4 V- n1 u5 a; l/ \/ \ - RTS
: A. a4 x2 m/ M, o. Y i. Y- d7 _ -
( ~9 @4 K& z B8 n - Track_Enemy_X_Equal: ;子弹X == 敌人X
6 D: Q7 x# D' ?/ D: Q( p - LDA #$004 o- g) ?2 e! Z! J
- STA Bullet_X_Speed,X4 Y3 l5 v+ X6 d* X
- RTS0 ^; L8 Q3 h+ v5 }) i
-
4 f7 v4 W8 v- W5 x9 w! V8 Z - Bullet_Speed_Data:% F) Q6 G9 \. x& u& i2 g
- .DB $00,$03,$03,$02,$03,$03
6 {; \" u5 z( V$ y5 b' p% |0 h \0 L -
( l& |9 Q0 v/ S; Z! i. G+ U - ;2, 4关
4 Y: W' _/ R7 G1 g* H+ ^) ~ - Track_Enemy_Ex:. e6 f. x: s5 z( [4 p" `
- LDX #$0F
0 u% W8 F, a$ K' {( r- j - Track_Enemy_Ex_Begin:
9 f7 z# u; x, z& \
m( |; I8 c! `9 X/ v; ]# V' j' n- LDA Bullet_State,X
% F I- _* l5 m1 S1 Y - CMP #$01
$ w! t0 u+ p- H; O1 ~. Y - BNE Track_Enemy_Ex_Continue
2 Y) E* p2 `7 u4 g r- `! ~: z4 v7 W -
3 F% c$ {( E {( K8 ~ - LDA Track_Enemy_Index,X2 s$ j% i0 j) n
- CMP Enemy_Index9 E) x6 m5 |, i& f k" G
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标% a! X1 g. O a& R5 R8 i
- : S# @9 S. w9 M$ W5 A
- LDY Enemy_Index
; ~& u. J9 A6 F! A3 o7 q" Z - JSR Track_Enemy_Ex_X2 {1 h& _7 ~! l
- u8 a) Q- C, `2 z$ k3 l7 |# J5 O
- Track_Enemy_Ex_Continue:
9 M9 J+ w8 N4 `% a - DEX
4 ^. F q4 Z9 J3 d( }4 ^7 W$ b W - BPL Track_Enemy_Ex_Begin5 T n' j5 U* ~' m
- Track_Enemy_Ex_End:* u1 f' T. v7 B! h# f) ?$ N% X; \
- RTS& D( N1 I. j1 S. ?/ J5 R9 G
- " o: c0 i2 d/ J& V5 W% U
- Track_Enemy_Ex_X:, X, c# d Z$ w: D' D8 s
- ;LDA Bullet_Z_Pos,X
6 n K! a' X0 A/ W) V - ;CMP #$04
z) P7 R+ w$ D% b5 f! u - ;BCC Track_Enemy_Ex_X_End
4 `0 t2 Q7 @# V2 w# } - SEC
+ F6 O7 K. W* v6 }3 w - LDA Bullet_X_Pos,X
2 n' o; e7 |0 U8 H- l; Y - SBC Enemy_X_Pos,Y
% j& c$ v5 K' T7 h, ?4 M! a: G - BCS Track_Enemy_Ex_X_Greater
2 u6 z0 C8 O8 K# @ - . E8 W* X- m5 \4 e+ G
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
0 ^9 m# V5 L3 \: ^/ r - CMP #$FD# @% M* R) e1 b4 V& ~8 m8 [
- BCS Track_Enemy_Ex_X_Less_End% P% C4 e7 Q; u5 l: |2 o
- LDA $6020,X
1 t( W! X; O! Z' a1 i# { - CMP #$2A
# Z3 f: |& [' a, x; x% m - BEQ Track_Enemy_Ex_X_Less_L1* e" V0 Z6 L4 i$ F
- LDA Bullet_Z_Pos,X
( c- J; J O5 Q3 E/ J; M - LSR
1 u A. c6 p3 z. ~( t9 Q& {& Y - TAY0 ~. O' \! ~+ t" X5 ?2 j
- LDA Bullet_Speed_Data_Ex_R,Y
- ]! R; H9 Z5 K- Q5 u8 f - STA Bullet_X_Speed,X
+ J+ d* |1 {1 H5 \' ]* L - RTS: _& t0 {2 K. \' ?& j
- Track_Enemy_Ex_X_Less_L1:
5 {' L, b; V* ~5 e
7 ~( E; N; X0 B# x" h2 [* G- LDA Bullet_Z_Pos,X+ P2 {- t' x( {5 `- g7 w, _% k7 `; w* ?
- LSR
' |6 u" s6 _; D - LSR
0 R$ L. d4 ` g5 z - TAY+ c8 N4 }/ D1 R5 W% O8 K3 |. P) S/ k
- LDA Bullet_Speed_Data_Ex,Y
8 k! J9 T. D) a4 ? - STA Bullet_X_Speed,X
0 u( S) k' W# c m2 O( a - RTS0 k7 L+ Q2 X8 m( `) ]' z, z
- 4 Q3 p) Y( s% V* f
- Track_Enemy_Ex_X_Less_End:
/ X! R8 w7 \& n( [: s - RTS
4 ]0 F$ ?5 G+ P% @$ h' |! ? - ) C- C ^0 i0 X, {
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
+ L& P, J: }4 f( D' [) S8 d - CMP #$037 k$ d# X6 ?; H6 n4 N# c. C9 R# ?- K
- BCC Track_Enemy_Ex_X_End
- G( h9 E' C2 g+ \" F, E - LDA $6020,X; I; E( U1 M* J4 _( O! C
- CMP #$2A6 ]! c' k/ ^$ s
- BEQ Track_Enemy_Ex_X_Greater_L1
; q7 o, Q) f+ v% b, S w# G - LDA Bullet_Z_Pos,X
9 B, t V( ?1 t3 F- ^2 N$ J - LSR4 Z3 z5 I0 G) ~! t9 S" q
- TAY
5 ~9 B- @+ V0 M - LDA #$009 t% D5 \& f$ q2 T7 W$ m
- SEC
, Y4 ~# |1 C7 E, ?0 N - SBC Bullet_Speed_Data_Ex_R,Y7 d' z V) r# t: I
- STA Bullet_X_Speed,X$ W0 r' G' T7 B0 M2 \ W [; z
- RTS
9 |( g' @0 ~! C( I, W5 n3 q4 _" s -
/ d/ J$ e2 j3 B- W9 ? - Track_Enemy_Ex_X_Greater_L1
* q0 {0 ~1 V# T9 ] - LDA Bullet_Z_Pos,X2 V' x! f/ N# |
- LSR
E+ J0 m) H6 r - LSR3 j) }5 f/ S, t1 p8 a A4 R4 O
- TAY+ n& T1 ^, r; o7 [' d
- LDA #$00
$ I6 G' ~. z6 c8 \ - SEC
/ C5 l4 F0 h9 w; a" m) { - SBC Bullet_Speed_Data_Ex,Y
; f& N+ j; w2 q1 L3 P - STA Bullet_X_Speed,X5 o9 ~: l9 k- T2 x% b
- RTS/ M" z# F) R' |( a- H
-
7 ~" i" l! z+ A& H1 h- n - Track_Enemy_Ex_X_End:
- i2 `$ k; k, D9 W7 ]7 V' b - RTS( w& i+ e9 k1 k e. i- L
-
n ?) t0 k1 h+ l! b/ F& f - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
& j" @7 u6 \4 Z2 @$ E3 i - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上0 h# O! y2 ^- y& ]: R \7 ~
- Bullet_Tract_Direction:+ F) g! D* V5 y& t& l* R
- LDA Bullet_Icon,X& H- M2 g' |! p$ G
- CMP #$23" V) J1 I, G) V. o7 x4 `* @4 A9 G* x
- BCC Bullet_Tract_Direction_End
/ o) O/ ?# } \8 w$ }. A2 e' F - ' a6 b. ?( [9 |% O; K* |$ H a
- ; X != 0# A/ p& @7 B7 r5 e' S Z1 m
- LDA Bullet_X_Speed,X
/ F' s! B/ m/ k* m5 U; N# u3 H - BEQ Bullet_Direction_V
' i1 W, e1 G, c+ j3 e8 ~6 Y, G. y -
' k. b% H( \6 ]5 N8 D! v" _ - LDA Bullet_Y_Speed,X
8 h" d* r. [, Q/ ]) U; ]' \ - BEQ Bullet_Direction_H) L* ~% V3 m* V* o2 I8 O) Q
-
3 L6 J5 Y8 z$ Z/ s1 C - LDA Bullet_X_Speed,X
1 T! Q+ y$ a5 ]" C8 ?: z - BPL Bullet_Tract_Direction_Right8 W1 M" c( m: h) M, I7 {" `8 Z
- Bullet_Tract_Direction_Left:9 s7 `9 s+ E) S: p" r9 T
- LDA Bullet_Y_Speed,X6 ^8 t6 F T+ Z
- BMI Bullet_Direction_Left_Top$ C% F* p# y# [) k5 b7 n
- BPL Bullet_Direction_Left_Down0 c# C; }0 V' ]: J# P, W
- Bullet_Tract_Direction_Right:
* p! H. n) J- t- r9 T6 ^; } - LDA Bullet_Y_Speed,X3 E9 v% l0 z& W( r
- BMI Bullet_Direction_Right_Top8 Q$ A1 p+ N4 O, E' p- x
- BPL Bullet_Direction_Right_Down9 V' T( B; W/ i; Y# g
- Bullet_Tract_Direction_End:7 O, \ G4 @8 W/ v
- RTS
* F; A* s5 {: \4 ^' o
' W3 _" |7 r8 N" D* d- _, t- Bullet_Direction_Left_Top:
' B$ z3 `+ p# \: \$ [! q3 C - LDA #$25. [8 v# p' p! W1 m1 x I0 @
- STA Bullet_Icon,X
0 Q+ t' N) L4 O4 M H - LDA #$C05 j4 W O+ i7 f1 h' i
- STA Bullet_Direction,X
! _" `: F$ |8 M8 o5 ? - RTS: U% {. |# |- C) A$ w
- 3 X3 k' i$ B; O% f1 b4 T9 W
- Bullet_Direction_Left_Down:
8 Y3 H4 [: K5 X5 j7 f - LDA #$25
0 `9 P/ L% T3 ] - STA Bullet_Icon,X
3 v- M+ ^0 f3 C; X9 q& m# I* c - LDA #$40
7 m c" l1 F) L3 G. z - STA Bullet_Direction,X
9 M/ g Q. |& Z8 K' z - RTS7 }3 V7 b) l7 g; ]1 z
- 9 E. o: w6 V6 x7 X
- Bullet_Direction_Right_Top:
' K* K4 O! I. h; M6 \$ Q# ]# D - LDA #$255 X- R$ m6 H0 V! d
- STA Bullet_Icon,X2 T. {. v+ F5 T, _8 U
- LDA #$801 \, ~5 X ?# Q% B, a
- STA Bullet_Direction,X# j8 T5 n% u4 ^) @% \/ I+ V8 v
- RTS
' } D9 k. l: y" W+ S1 L1 R
) G# b, q% K2 P+ \* f- Bullet_Direction_Right_Down:
9 C. I% X- t) t0 Z* i' z- A - LDA #$25# ]/ }( _! ]! W: J. d. m6 L. A
- STA Bullet_Icon,X& E$ E2 T9 U M9 l2 d# T
- LDA #$007 v3 i5 J0 w3 T; m& P1 I
- STA Bullet_Direction,X
# ^! f0 Z% I# P K - RTS& {3 a% {1 `. M* ^
$ u" @4 F+ b8 W( F. t- Bullet_Direction_H:
/ [5 o7 o7 j+ h: l* B - LDA #$246 `7 Q! a* {' O
- STA Bullet_Icon,X
, x2 r+ O8 o" z( I - LDA #$00" @+ G) H" F, V' _
- STA Bullet_Direction,X
8 W& W1 a' m* W4 b% s0 t% l/ u - RTS- T# F4 d8 |* T$ g& ]3 X
+ h9 U0 k5 w; h' Y. g- Bullet_Direction_V:0 ~# e% y) H" q
- LDA #$23+ t; u3 X* ]( F& h8 m; N6 r
- STA Bullet_Icon,X
2 o* G3 o" s0 G# _' F' b- V% m - LDA #$00
2 x/ `8 e/ l- H - STA Bullet_Direction,X" [4 f" a3 D8 e2 Y; Y3 G
- RTS# ?1 x( f4 `% b- P) P6 R! h
& q+ X. ]# l+ I8 w- Bullet_Speed_Data_Ex:
9 X& |" X2 D e& O Q$ D# I; u - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04) t' j: `% D: j3 ]2 d! b
- + Z0 _4 r( w s
- Bullet_Speed_Data_Ex_R:6 }: J0 F6 H/ q( J( ~
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
- M, R7 y' @/ x, U! L6 U7 I -
复制代码
9 |! W' e7 v0 t( W7 S6 M
* w" f* s* l6 h0 M5 ~3 ]2 X/ S! ? |
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