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[FC][魂斗罗][J][追踪弹]& L7 i R, n, }4 [0 `2 p2 E) [* w
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时间:2023.04.30+ {: X( ` q+ c& C
作者:FlameCyclone( I$ c" p1 ^$ g+ l# o
内容:
5 i3 ]; ]# m. D( J/ i: l 1. 所有子弹追踪敌人
3 H3 G& G% V( \- o( V 2. 选择键切换武器
) K( ~! ~, H# _% A6 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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" n b# c: X0 q* U( W0 y. K. u$ lflamecyclone.ys168.com1 b, O0 C s) a5 p

1 W; j, W! p- w; q% P# h- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. I1 j, |8 T/ m' H7 H - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
' C i3 n2 Y' Z+ O6 ^: 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)% X8 W1 ]2 y5 F" D; x' _; h
- . _& x) p/ W7 Z0 D1 G
- ;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)' C: H# l4 W* s1 S0 @* N# l
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上' G; `1 ~5 r, H w4 b" v
- ; \- \. Q0 M# C/ V& U
- Track_Enemy_Index = $6000
! r/ S! a. h2 o - Enemy_Index_Begin = $6010
- P/ `, ~9 G( j4 w [( s - Enemy_Index_End = $6011# R3 e" p3 a; {( | f/ m
- 9 H1 v* S0 M/ ]
- Loop_Index_I = $6012. V# D! p/ ]0 b( w
- Loop_Index_J = $6013
) Q6 G7 l8 a+ Z, k- \1 [ - nEnemyIndex = $6014
3 A) M# i# I1 F1 t$ L/ h \8 j - Data_buffer = $60154 D- y5 j) ]9 D
- " y* N8 T8 S1 X' P3 l
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标' q+ I8 ^& R$ ~1 ~
- Bullet_X_Pos = $03C8 ;子弹水平坐标
+ s' _6 `4 K5 P& r+ G - Bullet_Y_Speed = $03F8 ;子弹垂直速度
* L: \4 M+ P2 Y5 i+ }& ? - Bullet_X_Speed = $0408 ;子弹水平速度- m0 w3 V7 x; [# n$ t) b
- Bullet_Z_Pos = $0418 ;子弹Z坐标
! {& A: y9 r# v$ n% e, f - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P C1 q, B' ^! n7 Q( c
- m; t$ y, U% K' O% v; v8 C0 _1 U ^- 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! d, W9 q2 L7 f( v( ]2 S
- Enemy_Blood = $0598 ;敌人血量
8 P. @% F# y+ P - Enemy_Type_Addr = $0528 ;敌人类型
9 J; n; C. e' m* |0 X - Enemy_Blood_Addr = $0578 ;敌人血量
. }. K* u) ~0 T - Enemy_Y_Pos = $0324 ;敌人垂直坐标/ f P+ Z& o, S9 W
- Enemy_X_Pos = $033E ;敌人水平坐标
; `5 D' q3 g0 O1 y( S1 S# {- J$ o4 V - Enemy_Y_Speed = $04E8 ;敌人垂直速度
8 ?# g [( ^, c" Z - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸1 w+ ^$ S6 t. i% z( ^+ D7 k
- ; |9 X& Z; s& F1 l% r, z. v
- Enemy_Index = $83 ;! u3 i% i, {+ A% n6 e' w
- Time_Count = $1A
2 L. k( X& A* Z* x - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率9 \2 G/ _* h8 l3 b
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率9 H% A# S0 r) m+ x0 q; D1 ]8 m
- & W7 D$ j3 y# c$ c6 } `! L
- # X8 _" M m1 n; Q8 T$ _: z- I, [: B
- .ORG $61005 Z, p" C9 d2 T* k% v, M! D) X& i
- Process_Begin:4 T! s$ G [) S3 r) L
- JSR Enemy_Check7 c9 R+ Y3 x! |8 k0 Q! y- h
- JSR Track_Enemy_Check
- l: w- Y- j8 `9 k. C1 H' e' x' f - Process_End:
e0 b' F- ~. y - JMP $E54F
& W5 E; ~% P; T+ f8 ~0 u3 n, l5 ` - 6 D$ _* D1 d) ~* J8 p/ v
- Enemy_Check:
; V- O) k; B' [/ [+ D3 x* q# R8 D2 i - LDA Time_Count
' A% z# c# |; Y - AND #Track_Bullet_Speed6 f# X$ e- D5 a
- CMP #Track_Bullet_Speed1 S' d; e5 B1 I+ w( U
- BNE Enemy_Check_End9 G" g4 N" m) H. H8 l/ z Z
- LDX #$0F- _& w% H2 g% o0 l+ @) F) C
- Enemy_Check_Begin:
, s5 a1 F' z( E" d3 E - LDA Enemy_State,X
8 [0 T1 ]- L0 B! B# H$ y - BEQ Enemy_Check_Continue% O$ G. ]: A( m5 @2 I: T1 m
- STX Enemy_Index
6 }( l2 f5 D; X5 B7 t - JSR Find_Begin_Enemy
+ D5 c8 |- c7 r2 q c' G( r - JSR Find_End_Enemy8 J' G+ M: |% d: K0 V
- JSR Bullet_Track
, I* R( N, Q7 M, o - + I! r, i" }" _6 a' A
- LDX Enemy_Index
) F0 H% U/ h6 T; x2 ?8 _) Y - Enemy_Check_Continue:4 k1 t& ]" {0 X0 M) l$ X
- DEX
e I8 q* f. s - BPL Enemy_Check_Begin8 o% f7 ~! N4 c. Y" ~/ b' `: d+ {
- Enemy_Check_End:
/ K$ y5 z0 V+ l) B* k- ? - RTS
. }7 B) X9 {) h+ ] -
. m) s; @$ |( [* {& S& D! @5 P8 o - Track_Enemy_Check:; E: R5 g) b- {/ x
- LDA Time_Count
! a6 c! {3 Y% S; w( W- t - AND #Track_Enemy_Speed
: w( M3 x7 x8 R3 Q- I$ N - CMP #Track_Enemy_Speed5 f- F7 y' E% U7 C% }2 t
- BNE Track_Enemy_Check_End+ s" E8 E8 A: {, R/ \
- LDX #$0F
5 }# O5 V; e' y6 o' ^+ z - Track_Enemy_Check_Begin:- X- I. ]$ |5 ~* z7 i5 z
- LDA Enemy_State,X
0 T2 T' e! a% q- ~( Z - BEQ Track_Enemy_Check_Continue! I# T g# f6 B
- STX Enemy_Index: P3 K( `( L8 X! P( I
-
+ ^5 n2 N8 ~5 I1 E - LDA $40# _! l% G; u7 y4 q: ^9 s2 ?- B9 @
- LSR
+ j8 h; z, R) \% J# G) o2 o% r, ~ - BCC Track_Enemy_Check_Begin_L11 o! ^/ r6 t7 x/ q( W
-
$ P7 B5 c6 b9 d - JSR Track_Enemy_Ex ;2, 4
0 @: W2 O- Z4 N6 | - LDA #$00
; i! D4 K% @$ N0 B8 h+ O- y& I6 Q - BEQ Track_Enemy_Check_Begin_L23 K# J. d) E6 ^6 |# S3 W- O3 I
-
8 _! j+ v/ f( \. L* I2 {9 c - Track_Enemy_Check_Begin_L1:0 G9 k; ?% F8 {6 A7 {
-
* ~8 E, q: y3 v& i6 F - JSR Track_Enemy
& o" Z+ X! K/ c) K( a - 7 E5 }* j* P$ `6 M5 y& D) H
- Track_Enemy_Check_Begin_L2:
% D: ^5 L, \& D! \( M f - - h& |" O4 }% H# S' A& o, g
- LDX Enemy_Index
; }( F3 ~4 H o/ ]6 J g - Track_Enemy_Check_Continue: J7 ~. R5 u1 Y% m! ?2 U6 K$ Z
- DEX' f# {& a+ h% S) x4 [
- BPL Track_Enemy_Check_Begin1 b2 }6 F! g9 U3 E7 K( o& N
- Track_Enemy_Check_End:0 ^) H3 W1 L+ ?# ^ r# |
- RTS
\) k: L2 Q- _9 d
s% E9 M4 Q9 R: m0 d
i" I. r- C9 ?3 z% r* n7 h8 W; Q5 s- ;查找第一个敌人
+ l8 a5 A% \& P: b: x - Find_Begin_Enemy:) l; i3 V. x5 T' v* {! x
- LDX #$00
$ w) X1 q, K, `0 z - Find_Begin_Enemy_Check:
: C8 h# E( j! N/ Q. ?- M - LDA Enemy_State,X; T# r& g5 e/ J
- BEQ Find_Begin_Enemy_Check_Continue
5 O- M! _4 z$ F+ @0 O. m - LDA Enemy_Blood,X, z+ v2 s) i' Z( Z" X6 i+ U
- BMI Find_Begin_Enemy_Check_Continue: k- O- f& a; I, {" R+ |# X2 y
- BNE Find_Begin_Enemy_End7 |2 j, V! h+ F/ E) L
- . t# q% [" K2 _+ w
- Find_Begin_Enemy_Check_Continue:
& B8 a4 o' A8 E% r j - INX/ w4 m6 t4 W0 u/ ^
- CPX #$10& h1 Z+ h3 `! t2 ~" `
- BCC Find_Begin_Enemy_Check
" l0 k8 K4 T# U" s/ D" y2 q - Find_Begin_Enemy_End:' y T! a' l- c. k
- STX Enemy_Index_Begin; |( C9 Z6 B6 x( Y8 j! w
- RTS
3 [) [8 t+ {) G- i, `9 P* C/ f# \3 e - * D4 M0 ?9 h$ C( }- i7 ~
- ;查找最后一个敌人
2 ? Q: F ?0 V6 `; U* \; j - Find_End_Enemy:
& r: n( _1 ], Z$ M - LDX #$0F5 e8 S' ?( }* {+ Y& i4 [8 ]2 `! p
- Find_End_Enemy_Check:/ L, v5 w8 ]7 L: Q+ a2 n
- LDA Enemy_State,X
) Q1 m: B5 j1 W- D" S - BEQ Find_End_Enemy_Check_Continue8 S" l: k; Z; X, G0 L: ?
- LDA Enemy_Blood,X3 t! s1 W0 e0 ^, ]4 `3 }4 v
- BMI Find_End_Enemy_Check_Continue. ]* i% Z2 j# R' Z
- BNE Find_End_Enemy_End
: U9 C& p8 p: @ -
o6 T& S2 l0 C. X+ I - Find_End_Enemy_Check_Continue:5 y6 ?1 ^( ~0 c5 l2 v
- DEX6 H( e9 [2 d( T1 p" [
- BPL Find_End_Enemy_Check
4 p/ r* d) L: Q8 |7 r - Find_End_Enemy_End:
0 H% p+ e0 r4 d- P - STX Enemy_Index_End
% K6 e% N" b" }9 n# l, s) n - RTS
( }) D$ x2 I4 L& e5 z; L$ [5 T - 7 N$ O1 a( \/ {) z( ^
- ;子弹追踪% x" l; q5 @$ J# v) w: J% b
- Bullet_Track:- G/ J) R5 R$ d# } a3 t5 d) X
- LDA Enemy_Index_Begin, _* w3 k8 n# t: m: A1 D p. a
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;4 k P# T* g3 v6 P
- LDX #$00
) Q/ w: @7 ^2 T - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)1 z+ w: A M; c+ u/ F/ U
- LDA Bullet_State,X# o9 H$ x' s/ U* z
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
3 T, ]% S" c& H) E$ v2 z' B, W. w - STX Loop_Index_I
/ M R6 f2 }$ T. k/ D -
5 A2 v1 Q1 t/ I: \8 r - JSR Bullet_Track_Enemy, _; j* h( p' Q. K( V/ D2 O. r
- JSR Bullet_Tract_Direction8 Y4 U: @7 e1 F3 {" M
- . r$ X! [* t$ V5 Q$ g- q- `2 @
- ;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
8 k( g% Y6 q2 t! I2 c/ ~ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;% m6 \* a, E, _" h; j
- LDA nEnemyIndex
* O, t0 n/ B, ? - CMP Enemy_Index_End! P+ P. N8 q# W
- BEQ Bullet_Track_Check_Continue6 a) z5 y; l2 f8 J' q( M) I
- BCC Bullet_Track_Check_Continue
& u/ u/ M/ |6 l) Q U4 b4 g, X8 S' C# @ - LDA Enemy_Index_Begin% N3 ?# l5 a- T: W% x8 E
- STA nEnemyIndex
2 y* Q# k6 }8 A' m' c -
. V: J0 |' E: B6 \% g - Bullet_Track_Check_Continue:% p% J* K4 O5 O' H, |
- LDX Loop_Index_I) E3 B' i' z; a2 E) B
- Bullet_Track_Check_End:
1 I7 @" X" [& G - INX) @- m3 I# b3 B8 ]- ~, X0 }& k
- CPX #$105 e8 k8 N7 F, o6 o) ?/ z
- BCC Bullet_Track_Check$ _! x5 ]3 a; c
- Bullet_Track_End:
; @% b6 f# Y- h# f9 @! ` w, _ - RTS' z6 \$ W; @& ~8 B, |$ u; J
-
7 H1 h+ p. A! ?+ s; ?/ j+ O - ;给敌人分配子弹
- g$ j9 S% r" C# }& w2 g* y5 p/ w - Bullet_Track_Enemy:
2 ~' w: }% A& L4 s: ]! _ - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
2 K% `+ U9 |! M) O* ]2 u - Bullet_Track_Enemy_Check:4 G/ T* B, w* {
- STX Loop_Index_J
* g3 H9 I6 z( q* d -
9 }2 s& V& X: q5 j: E4 g - ;if (0 != nEnemy[j] && -1 == nTrack[i])% ^! e# r& _7 ?8 s' R* k
- LDA Enemy_State,X" `, M& [0 Q( Y9 B+ ]) R, K `
- BEQ Bullet_Track_Enemy_Check_Continue
2 }4 m, k! z) x [ - LDA Enemy_Blood,X
' z) p4 c3 C0 L - BMI Bullet_Track_Enemy_Check_Continue
) D1 ?8 D! Y, R' m u/ [ - ; H+ g/ {; C* G0 t$ J/ s
- LDX Loop_Index_I
, h! X5 `: B2 ^- @ - LDA Track_Enemy_Index,X
7 [1 l$ Q9 {; _# T/ n0 j& _9 K* d - CMP #$FF5 e; H: U; r" c) l2 h9 e3 q8 }: k5 G
- BEQ Bullet_Track_Enemy_Init
$ U3 n2 [* [% P6 f- |5 b) p0 m! U -
& B: a+ a: g+ X! W+ w$ o - Bullet_Track_Enemy_Init:
& N8 Q8 I+ d/ q8 p - LDA Loop_Index_J' o. M$ _& p/ x1 G% H
- STA Track_Enemy_Index,X ;nTrack[i] = j;
- q( @7 T6 ?# J -
9 A6 P% M" ^( Q9 U: { - STA nEnemyIndex
0 u8 W: L7 L5 ~( u9 f6 W - INC nEnemyIndex ;nEnemyIndex = j + 1;
. ]. d0 Q# t2 J0 d( d/ H - RTS ;break;
. E8 a! \! ?$ H* C0 n
" T7 p* a' P, f. l5 p, ^1 M- H- t- Bullet_Track_Enemy_Check_Continue:
/ {. Q3 K7 _5 b# d9 u& A! u( l4 O - LDX Loop_Index_J
W( k! R4 Y' U# Y$ b - INX ;j++# ]1 m: ]$ j. T) ^* @/ M+ ?8 t
- CPX Enemy_Index_End
8 Q2 ?! m" e7 Z; |$ E' d - BEQ Bullet_Track_Enemy_Check
8 u ^3 B1 v0 r# R: K0 c$ ` - BCC Bullet_Track_Enemy_Check) d. {2 Z0 t8 a8 |
- Bullet_Track_Enemy_End:7 g) [: ~/ b$ A1 r
- RTS2 O) n' ^* x0 p+ P; @+ A
$ ^& Y9 Q& v/ c* U8 z9 d# T- Track_Enemy:' p, X" b) _8 m) r$ Z: m
- LDX #$0F$ i- J( }# `- S
- Track_Enemy_Begin:
2 q/ ] P; M0 C2 ~- a, j - LDA Bullet_Icon,X
+ s" R: \4 ^ p# d - BEQ Track_Enemy_Continue
2 i1 m& [* j2 l) b/ C - LDA Bullet_State,X
* U7 H, Y: s5 s9 ~/ k - CMP #$013 h& }0 h4 g4 x* F3 {; l
- BNE Track_Enemy_Continue$ w- ]3 y5 y; n: S7 y2 g
- 9 _) S y3 [$ q; N: k$ m
- JSR Track_Enemy_Process- g; K1 R \+ Q0 m" e& d
-
* q7 K( f9 H [0 |( D+ t - Track_Enemy_Continue:
6 K" H) A1 R- a5 h - DEX5 e$ j* ^; `! ?6 s/ O/ {! n
- BPL Track_Enemy_Begin/ f0 l1 x8 [2 ]
- RTS
. ]) o2 t) Y }# Q' V - * w8 r9 o, p% A, D1 w4 [1 n
- ;普通关卡
9 |) h; x/ {# Q0 {* x% R - Track_Enemy_Process:- _1 w7 E" c8 ~, ^! s9 H
- LDA Track_Enemy_Index,X
/ _# u, x9 j) n4 i% O! y( m& K - CMP Enemy_Index% @0 ^1 t5 \- X/ T" }9 R( c
- BNE Track_Enemy_End& D" X. j" {* j4 x2 U3 J/ G
- LDY Enemy_Index
6 e7 w5 A6 x5 }1 N - JSR Track_Enemy_Y8 |. R/ w( D6 h& t3 A" A$ g
- LDY Enemy_Index
" m% @( ~$ j6 d, ]8 R - JSR Track_Enemy_X
' Y+ o+ ^8 @8 S3 s, t - Track_Enemy_End:
# s0 Y5 M# S$ f6 }# E - RTS
" z6 B5 m7 _ A2 k5 a, o - ( B! s# P4 @8 i- Y$ k1 e
- Track_Enemy_Y:
5 ?8 \8 F6 E0 }1 X7 j8 B4 U6 ^ - SEC
- a9 G: k3 v# p" b( w3 X: c: H. { - LDA Bullet_Y_Pos,X- K6 A$ t0 u; w- i
- SBC Enemy_Y_Pos,Y! ?& U& g& b: K$ z% h
- BEQ Track_Enemy_Y_Equal# ^. Z5 |2 l: [. j% C) O' C+ O. ^
- BCS Track_Enemy_Y_Greater
9 n5 L' h" ~& n& x& Z0 z - 5 X% k6 @% a+ x: ^+ B" G6 b
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y) U/ x* U' d+ ?! a' Z5 R
- CMP #$FC
6 I5 f- \! ]5 K - BCC L1_1: {6 |/ q1 J# C" c
- CMP #$FE
% p' N" T0 A( m0 Z5 }- h3 S - BCC L1_2% f) o" e4 u& m% c. s7 N
- LDA #$00
* a, T5 D u, s( f0 l! P. M - STA Bullet_Y_Speed,X
" w# n/ p9 p6 t, O. J - RTS3 ?7 V+ a/ ^& B3 J8 D# s8 k
- L1_1: / t& ?' g! O( _8 E+ j' X, x8 S
- LDA Bullet_Type,X
5 K9 d6 P6 r' s - AND #$0F0 @) J" V; t" y
- TAY% u; `6 }6 S8 ~$ V, v
- LDA Bullet_Speed_Data,Y
. p6 D" G3 u0 m1 [ G( ~4 w) m - STA Bullet_Y_Speed,X; }1 Q# Z8 B" G( V) h' q' N
- RTS; `" ]2 L$ R, T# h. N/ e F
- . v" O* }; O/ k2 I! M7 S
- L1_2:
! j, g3 z" O- o. [: C6 J) \ - STA Data_buffer
; S5 ~1 F, T% C- Q# o4 F - LDA #$00
6 V- S& R4 L* v2 _/ ?+ y' m$ G - STA Data_buffer
/ P; w& q% c' `- s$ }1 `7 A, E - LSR' v2 B' U2 ~8 k6 i. I! @2 J4 r
- STA Bullet_Y_Speed,X
' r+ F1 H/ s5 R: C% [ - RTS
0 V4 D7 P) l5 z0 Z - 8 _+ @4 O: Q& Y l
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y0 b! K5 y. G2 ^* B" X) U9 j& ?3 ^
- CMP #$04
p1 T" f, T& f4 { - BCS L2_1
6 g! s- ?) X1 V - CMP #$04. ?7 B; F9 S9 {2 |5 I) Z
- BCS L2_2
6 G$ I; g( z4 T" o2 w - LDA #$00 Z6 m6 u3 K6 V/ [
- STA Bullet_Y_Speed,X3 Q3 `8 q Q! V' b: G2 o
- RTS5 W/ u3 R$ j9 L) a
-
5 _+ x) e3 U! o* o - L2_1:% }2 V# G+ `6 p/ a* _3 t
- LDA Bullet_Type,X" Q1 Z; w9 |3 J1 L. E- \
- AND #$0F5 g2 w! r, \+ ^) k1 E
- TAY
* E: C4 E8 `- O0 M - LDA #$00 S: H) l( E( D
- SBC Bullet_Speed_Data,Y+ h0 F) u: P! z& q) N e
- STA Bullet_Y_Speed,X
( u% }6 Y* e0 N+ n4 z5 K5 \. u - RTS
$ [! R& N6 o i -
/ O9 a' ~+ |* V" h - L2_2:- K" _! z! Z! }8 n( j
- LSR
* u6 b% p m" E, O - STA Data_buffer. x f2 m! d3 q' Z5 J' g2 _, k
- LDA #$00
2 {3 U9 ], F3 {/ S - SBC Data_buffer" _ p1 H! x0 n( P2 T$ o4 u. U
- STA Bullet_Y_Speed,X5 a* Z$ ]1 I0 B7 u- D2 W
- RTS3 c% @1 {& M$ c) W" L9 d
- 3 T/ [8 ]: U H" x: d9 b2 s2 V' G
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
$ j7 |3 ^, Z" U; t& } - LDA #$00
" I# {1 d. K, c+ w: S9 x9 W1 [+ u, B - STA Bullet_Y_Speed,X
( l& g+ P' K4 U) B - RTS' k+ e& ?" F5 x/ m" n7 o+ T5 y; v `
- ( T( n2 S/ Y% N% k# f" m
- Track_Enemy_X:2 s, H% h/ R; f9 R+ V
- SEC2 r% x( H6 X$ P; Y- Q7 h3 e
- LDA Bullet_X_Pos,X6 [. S- d4 Z* M* c u0 ?+ g$ s
- SBC Enemy_X_Pos,Y& d! P v/ e- K- ]- E& J
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X6 g7 {6 T) m. l* B- q: |
- BCS Track_Enemy_X_Greater ;子弹在敌人下方- b' C, f+ q! F! Y0 t) E6 D
-
/ n* D) w4 Q& s/ @4 o: c6 N - Track_Enemy_X_Less: ;子弹X < 敌人X P# p) c6 Z" D. U
- CMP #$FC
- @% ^+ y; P( Z$ g2 M3 m - BCC L3_1$ t/ z, z7 R R5 T1 `' n
- CMP #$FE
+ a. g# F. W$ k# p7 i: D - BCC L3_2
0 [: r) X$ C' d% o - LDA #$003 ^, W' E" j2 @6 D
- STA Bullet_X_Speed,X) P& Q4 G$ p2 ], m# `5 |
- RTS. Q' W. d' C# i# [7 r
- L3_1: ( x6 u+ W7 X% p
- LDA Bullet_Type,X
9 V% A! J. y4 g! i+ u2 I& A - AND #$0F+ Q) D v3 b5 t& e$ f/ M& b3 F
- TAY) p$ G! n1 l+ {' |& {4 M$ D7 \
- LDA Bullet_Speed_Data,Y1 T' K! v! }5 B& X6 ]2 P
- STA Bullet_X_Speed,X1 B% Y2 n' W$ f# F2 Q
- RTS
6 k3 k+ c8 |& [4 W$ c0 S' ` - L3_2: ( T+ m5 ^4 ^7 m( Q( u; v; R
- STA Data_buffer
2 n5 S, m& H/ R( n+ d - LDA #$00
$ c. b, U& Q; e - STA Data_buffer
2 o0 g7 m) M3 H* f7 I& ? - LSR4 y' D. z* B; R4 \1 q( ]
- STA Bullet_X_Speed,X
/ D2 ~0 B3 o. B - RTS
3 r4 P: C8 ~8 @- t% V+ v; u) l - ; c5 a" g5 T/ X4 m# I) ]
- Track_Enemy_X_Greater: ;子弹X > 敌人X2 y, D7 J$ H7 q- [
- CMP #$04
6 @* L* E- b/ N2 W4 D- t2 R" u - BCS L4_1
0 w Y3 \. |' y, E% H - CMP #$02
4 |7 r- y6 X4 X( C - BCS L4_2& _2 Z. b( D4 d. j; A
- LDA #$00
6 p" n8 H$ t! d, M2 S - STA Bullet_X_Speed,X( J1 D- m6 ]" e9 m
- RTS" R* r0 t" P& J, a8 I2 F0 m
- : t) w, q: I: S, G0 x+ Y: n
- L4_1:
1 ^ F2 E8 F* X9 H/ M8 H/ P - LDA Bullet_Type,X+ O a: x* g& t6 ]; a
- AND #$0F
- N; X q' |; C8 { C; V( V' v - TAY4 m# z6 u; a$ ]
- LDA #$00
' [7 ]/ C$ J' h. D+ O - SBC Bullet_Speed_Data,Y
+ `' w& w7 C) Z1 H8 i1 W) Y3 p - STA Bullet_X_Speed,X' {* e0 o q$ G
- RTS: L4 N0 `7 j: V6 F z3 y) G
- L4_2: : Y6 c& D* G6 ?$ c% h8 _' X
- LSR0 r" e' ?' V- O4 Z4 E1 A
- STA Data_buffer
- ^% |& @( `0 _, e: c; P - LDA #$00
* C8 _9 v, a; E2 _) X - SBC Data_buffer
. N. _& u4 X* X& C4 { - STA Bullet_X_Speed,X
C- m# A1 Z5 m3 Y - RTS- k* k2 l- v( A. B! F6 w! T1 i. u
-
$ v7 L5 F! y r' E4 _1 s U - Track_Enemy_X_Equal: ;子弹X == 敌人X) a2 q4 Z) U0 I" d/ R- U
- LDA #$00% j: R4 D4 p2 y2 {
- STA Bullet_X_Speed,X# n% O. A: Z) T9 [
- RTS7 D0 M- k5 Q! F3 ?9 E$ y
-
" d9 z6 L3 G$ D- p, g; T6 m6 f - Bullet_Speed_Data:, ]; V; n& P9 |2 T( L2 G& m
- .DB $00,$03,$03,$02,$03,$03" S Q; ~1 V# l8 O+ T! Z
-
( e3 f6 F" \" ^ c4 ` - ;2, 4关5 q4 u# j+ E4 S5 C8 t/ `: d
- Track_Enemy_Ex:- }4 b# F& c" g/ H
- LDX #$0F' y+ n# I) b4 j0 n1 r2 P
- Track_Enemy_Ex_Begin:; s- x. d0 ~6 Q, t
" Y% |: _2 U6 z' {- LDA Bullet_State,X( k$ @* x& J& _" J) o% e9 h
- CMP #$01! S" E3 k8 e( u9 Y+ K& @9 O
- BNE Track_Enemy_Ex_Continue+ N5 F) {7 W8 H, o( D
- & }( V- G1 ?/ A* H1 G
- LDA Track_Enemy_Index,X
0 y2 z' v4 I9 `$ S* Q2 a - CMP Enemy_Index
+ Q9 W8 ^! C! }9 M5 g - BNE Track_Enemy_Ex_Continue ;匹配追踪目标$ t0 i+ a& T# `8 [' o1 v
- : K: A- p u- }# @5 S8 x, S) N
- LDY Enemy_Index
9 ]1 |1 c* p1 d _ - JSR Track_Enemy_Ex_X$ G f5 H, J7 y' i+ x5 c; B% [
- 4 u4 D- U) }, f
- Track_Enemy_Ex_Continue:
- N9 \9 g8 Z6 ~' s - DEX) j" p& b8 k2 N( o z
- BPL Track_Enemy_Ex_Begin
5 g7 Y9 e' U$ q& r' Q" A - Track_Enemy_Ex_End:
' l0 s; Z2 D& a* ? - RTS
; G$ o& @" O0 e" Z9 i4 @ - 2 A9 ~2 L* y3 y& M
- Track_Enemy_Ex_X:
/ h$ S! ]* O: |( i J2 T - ;LDA Bullet_Z_Pos,X. N* V. M3 s. W4 X3 T, t
- ;CMP #$044 v0 K f( G. W5 m* H- }* U5 L t2 g3 P
- ;BCC Track_Enemy_Ex_X_End _* T" A, D; i( T% V! w" L
- SEC
# }! z q3 w `; a - LDA Bullet_X_Pos,X
5 r: ]& ?: c) S2 _ - SBC Enemy_X_Pos,Y
0 Y ?# u; s1 Q7 q, C" [' ^8 | - BCS Track_Enemy_Ex_X_Greater
7 ?+ P6 U0 z) k* k -
, b9 \+ R6 p( m' n! e# o3 @1 H( R - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
* ?+ X* m6 D# P7 z/ y4 p! `; L - CMP #$FD
9 D+ y$ p0 \- b. E - BCS Track_Enemy_Ex_X_Less_End
2 a4 ]. T4 M3 b: h P - LDA $6020,X% e6 z: T4 B: \; g( q- V
- CMP #$2A/ h [/ h, f* i) e" ^
- BEQ Track_Enemy_Ex_X_Less_L1, z: `$ B$ n3 ~ |9 J
- LDA Bullet_Z_Pos,X; B( V+ c* t* p
- LSR# t" S7 G1 @) W% k- F
- TAY5 T, d# o- ]: B
- LDA Bullet_Speed_Data_Ex_R,Y
7 T# Y! ?. D/ h! j - STA Bullet_X_Speed,X
( a* s7 I6 X' F6 U2 ~: \. [ - RTS& |3 R+ q8 i! \
- Track_Enemy_Ex_X_Less_L1:
% |+ I* b- L' D; |6 C - " _- t1 K7 Y+ A6 I
- LDA Bullet_Z_Pos,X
/ p4 O/ M6 r, J/ ]2 y* N - LSR8 K+ a; k6 p" Y. a
- LSR7 `& v0 o. A( G
- TAY6 L$ W" ^: B+ Z1 A6 T
- LDA Bullet_Speed_Data_Ex,Y
) {: i8 i! h; e - STA Bullet_X_Speed,X& t. {8 q: X* j4 W& l8 K
- RTS
7 j* r9 |6 ~ p0 d! s2 F1 c; y - 5 S( b1 [. ]% I1 T0 w8 _0 g
- Track_Enemy_Ex_X_Less_End:) x' X% {2 O: L& {1 h
- RTS" O! b4 q B. L* V6 F# V( F4 Z
- % w2 }2 w2 A6 M6 J9 e' d( s
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X9 z! @! }! M' I+ q% R9 X# z. |6 Q
- CMP #$03
3 B5 C; `& A4 H - BCC Track_Enemy_Ex_X_End# O! _& A0 U0 u; E8 k# {
- LDA $6020,X% M# T3 H% i- i% a% q
- CMP #$2A
4 Q+ u( ^9 n3 S7 h4 S9 m+ u - BEQ Track_Enemy_Ex_X_Greater_L1! O9 L6 u; `# Z: r) F
- LDA Bullet_Z_Pos,X( P) X5 r1 r/ g+ r; [
- LSR4 E2 S6 v2 J5 C! o5 E, n
- TAY5 J' U$ [0 u5 M) Z1 K3 W
- LDA #$00
. ?- a A: ^0 x3 z - SEC
! L0 V0 B% H9 E/ ?8 j% S/ u - SBC Bullet_Speed_Data_Ex_R,Y
3 f8 ~% X- G. _( c& p- f" q - STA Bullet_X_Speed,X2 c* U" e0 j1 Q+ h6 X7 U% [( s1 ~
- RTS
5 C r1 k8 d" u# I( d8 M -
/ C* R' N2 v9 F - Track_Enemy_Ex_X_Greater_L17 O3 Q, f/ F) x9 o# a2 ^* {
- LDA Bullet_Z_Pos,X
: H8 x$ t; ` P - LSR9 ?/ E+ \9 l7 c1 v1 }: H
- LSR
/ D6 f7 n& U n7 P6 Q1 M - TAY
' i6 b& m6 [: U2 f: f6 n( ^ - LDA #$00
# I) w* j* r3 P) M - SEC4 z" {& v( J. i* ]; \
- SBC Bullet_Speed_Data_Ex,Y9 P5 m* N1 N7 |) M2 ?- X. _
- STA Bullet_X_Speed,X
3 M: E6 D D2 j& S& X( c; E% w - RTS5 G! U5 Q; {) l' V% ^8 P
-
& S4 }9 l# b5 Q& U - Track_Enemy_Ex_X_End:1 u0 t- X4 t5 d. i3 {
- RTS
8 M( y0 |: f2 B8 E' \2 k - : d' @/ a0 M* o3 B2 X8 f9 g
- ;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 D+ L/ f- p9 e u
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# x+ X" k0 \ C* L& c( { - Bullet_Tract_Direction:
' {; k9 j7 P6 D - LDA Bullet_Icon,X
- ~# [- D/ L# v( F7 [# {' h- y" p0 b - CMP #$23
5 [8 K$ P( E* S( s* C7 B) e - BCC Bullet_Tract_Direction_End$ |! w6 s/ z0 O; g6 ^5 I2 z
- ( ?( R) c, ?* l. _! m& l" g
- ; X != 0
; {% F* `, e- G' h$ \: U; b - LDA Bullet_X_Speed,X
& i8 g# b b0 u& C) B0 F( T - BEQ Bullet_Direction_V
0 H! }1 R' H+ u -
& J6 X. `* I# @1 F, c( L - LDA Bullet_Y_Speed,X0 c) |4 Z* w! o/ l% J
- BEQ Bullet_Direction_H2 u3 h7 }! S4 I" C0 x8 E' {
-
( A. n" c2 Q7 }4 m6 Q$ f+ o - LDA Bullet_X_Speed,X
4 w) l! {4 o; J5 y# p1 B - BPL Bullet_Tract_Direction_Right
1 J0 o: P i: \. a2 e" m' l2 b - Bullet_Tract_Direction_Left:1 o5 b( ? R! S9 t' K$ |
- LDA Bullet_Y_Speed,X
5 C: H! s* ^, K - BMI Bullet_Direction_Left_Top
! r1 K% V# S& H5 @8 Z# P4 D - BPL Bullet_Direction_Left_Down8 `; n5 o, n7 D8 P% s" D
- Bullet_Tract_Direction_Right:, k$ S0 |* A( j* s
- LDA Bullet_Y_Speed,X
4 y) D) t( x% `3 P& D, Q* h5 Z - BMI Bullet_Direction_Right_Top
4 D& R% i0 T" f* s |; v4 E - BPL Bullet_Direction_Right_Down
2 O# L# B8 V* T9 |# B) W - Bullet_Tract_Direction_End:
# Z# x8 q' y$ G& Z - RTS' g+ B# k" Q; D2 g: O' y
- 8 M) @# k3 M3 U* H
- Bullet_Direction_Left_Top:1 \# `. ~! Y3 H5 ^. C0 Q
- LDA #$25) j7 f7 y. ^ l0 i$ Y
- STA Bullet_Icon,X
0 Y O+ [" k+ Z6 b' \* i - LDA #$C0
$ I0 n' A2 B. r8 n - STA Bullet_Direction,X# _+ c3 x; x, q
- RTS6 P3 c8 `% Y. N; |, i$ e, ]
* l2 |. R+ z `) q s/ S- Bullet_Direction_Left_Down:6 G% ]) u+ h5 H% h0 ?
- LDA #$25
- S& i5 n# M8 a* h# M& ^ - STA Bullet_Icon,X+ ^+ s% _6 A0 o& L
- LDA #$407 |. a+ g% F& h. l- d/ i# h8 g( |
- STA Bullet_Direction,X3 U) P) [6 B9 T4 J F* `. V- H
- RTS
, i- v0 P) \: f" r - . l# V7 ~& P: J- {, F
- Bullet_Direction_Right_Top:* b: K0 l; S4 J1 d% d1 J6 w4 P
- LDA #$25$ e" W. v" \5 T; z1 ~' D7 r
- STA Bullet_Icon,X7 M% J/ ^: W' @- A% m
- LDA #$80# C0 W7 N9 s. @+ n9 n7 J5 ? A h0 Y
- STA Bullet_Direction,X
: |( N, J- C& |' W0 l" e) j# u - RTS& L& S, g' f I# [. A, ?, _9 }
2 q% a# M( |, ] O- Bullet_Direction_Right_Down:
( F* S h! \* b7 q0 H - LDA #$255 E* l+ t; U/ A) N
- STA Bullet_Icon,X2 Y; z" a- W1 y& @3 S3 U' m( f
- LDA #$00
1 O; j& p: D+ V) B$ X$ b9 Y1 C - STA Bullet_Direction,X
- @( }- d) ^( B" H8 @& R2 W - RTS% o$ w& P8 @5 q- ~, g
- : [/ Y# x3 u" h2 x
- Bullet_Direction_H:
4 m$ W- M4 r3 R+ i. O- i" X - LDA #$24
3 E" J( t, g) N/ h7 l9 U. f - STA Bullet_Icon,X
0 V4 b( Z) T) e6 I | - LDA #$005 H& ^ P0 V! X: L X/ j- T
- STA Bullet_Direction,X
/ f! S$ b) S' V j# p" _$ b! H - RTS( u# p4 r+ c! h2 U
; j' ~1 b5 R$ D- K1 z" W3 }- Bullet_Direction_V:
) X% {" M6 J0 U. f% V - LDA #$232 J1 n( E7 k6 g- k) \. h" I3 @
- STA Bullet_Icon,X
( e" j6 q8 h) Q4 j, i3 A6 p! X/ ^ - LDA #$009 _. ` n' s5 h3 \/ `5 n( A" z1 j
- STA Bullet_Direction,X
+ \9 v ?4 A$ {$ ^ - RTS
8 Q4 J& ]: u( `6 a1 J
1 p1 w8 W$ ]1 F" j. ^7 N" A9 R- Bullet_Speed_Data_Ex:8 F- S( u2 L+ X5 t) D+ `6 X) P
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$049 b& j2 _6 ^7 b, s5 z9 x( A
- ) [% Z5 M2 {. k0 x! N: [- d
- Bullet_Speed_Data_Ex_R:
& z5 s; O& p! W) s - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08# L/ n2 @+ z) B
-
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