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[FC][魂斗罗][J][追踪弹]
: E9 B+ E5 a8 C: H
8 g. H1 i8 v, D Y时间:2023.04.30
4 J/ Z- _1 e4 Z4 {作者:FlameCyclone
+ T% n5 ~9 H5 f, L+ M" G3 |3 b: C8 h内容:
$ G. A! {+ D. Q U( U! d, @3 l 1. 所有子弹追踪敌人3 f3 i; d6 h. J- s5 I
2. 选择键切换武器
# v4 c( ^) X, m; o/ o- \/ {' m) T5 i 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 c N1 C$ U" C/ {
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flamecyclone.ys168.com4 W$ v$ [# X) j& b+ }9 D; {
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁: k1 l- P/ m* [0 t
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" H/ u) a! @) ], z- L8 U1 g
- 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)
1 I, _7 y# D% Y: k! U, ^ - 7 _! }3 R2 U: }, ]! H
- ;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)( a% l! O: I8 s& ~: [( ]- j- Q
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上, |: k$ U/ `6 V& | t' m
% L. r# p$ x/ R `% v- Track_Enemy_Index = $6000
) l5 w& y- p- \" z" W - Enemy_Index_Begin = $60105 h9 ~% H0 Z& L5 h3 Y
- Enemy_Index_End = $6011
3 `( @" E+ U4 Z6 h" _. l
' ^- F7 Y$ R( e* d2 Z! t- Loop_Index_I = $6012
8 G& ~* K' q* Z - Loop_Index_J = $6013
2 F8 z2 P" X# G' F) K" ~4 U: I - nEnemyIndex = $6014
7 _5 ?1 t5 a2 E- V4 h: N3 U - Data_buffer = $6015
0 n y2 ^& @6 F+ Z# T U- }, x' } - , D3 u0 Y4 x; ?8 t/ L
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
6 d- G4 M* |5 H) S' G0 n w: j/ @ - Bullet_X_Pos = $03C8 ;子弹水平坐标
* h) w$ f4 \" Z9 C$ I( ]$ F" P5 H$ ] - Bullet_Y_Speed = $03F8 ;子弹垂直速度0 |# s) x9 ?: H- J5 f; |9 l: l
- Bullet_X_Speed = $0408 ;子弹水平速度/ B8 [, H2 @% o, y2 _0 R
- Bullet_Z_Pos = $0418 ;子弹Z坐标# X: c- q1 r/ H! K. v
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P6 F# c6 Z& I1 F: \# |
- - P+ s( F7 k( d$ G4 u8 x0 O
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
: X$ Q% e- L$ r - Enemy_Blood = $0598 ;敌人血量0 n/ R$ w7 z+ S- Y \
- Enemy_Type_Addr = $0528 ;敌人类型7 Y$ U6 h R9 g& h$ `) F8 v' Y
- Enemy_Blood_Addr = $0578 ;敌人血量
! `1 K8 S! U* @! d8 I - Enemy_Y_Pos = $0324 ;敌人垂直坐标0 M7 _ Q2 e7 J+ R* g. o
- Enemy_X_Pos = $033E ;敌人水平坐标5 L+ ^4 o5 E# [. s3 N! E
- Enemy_Y_Speed = $04E8 ;敌人垂直速度% y g8 W4 V0 B9 ?) F! u
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸 R' `7 ~# B3 h8 w
2 g, N: o6 w. x$ k- Enemy_Index = $83 ;
$ @1 W' A* z, X - Time_Count = $1A
2 l! T6 r1 D/ h; B: o9 P. V" J4 P - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率" G- f. B0 K6 ~$ w" F. E3 r6 x
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率) E, I' W5 `# h% ?2 P# v$ a
- ; M: B" j4 H- u( |$ @% f: |
- % q- Y0 d/ |1 ^5 b
- .ORG $6100
% B( L( o4 |( O- ? - Process_Begin:
- L+ L" }% F# r. ?8 B - JSR Enemy_Check
6 O9 N4 @. f. Z6 }+ f( k5 F% B5 G - JSR Track_Enemy_Check
+ U) L5 F. j9 `# B0 X - Process_End:0 j, U) Q, m3 p4 }
- JMP $E54F5 ~) m; R9 h% m0 n% A) N- J
- + X* `' Y* ^$ ~) _
- Enemy_Check:7 H3 c8 W" {, p/ \7 S- N) H2 q
- LDA Time_Count1 C, c$ C! M: c7 t% Z3 G" u* j; G1 T
- AND #Track_Bullet_Speed
" d( u. ]3 I: ~: y8 P - CMP #Track_Bullet_Speed4 t# h/ P5 `* j. E P; J4 r
- BNE Enemy_Check_End/ l. f; L: ~# m5 P
- LDX #$0F
9 ~5 A* T" \, h3 t! a0 o - Enemy_Check_Begin:
1 S: B. C: E @4 K h9 o# |) y( E6 E - LDA Enemy_State,X p! ~6 s2 G" c; U, N
- BEQ Enemy_Check_Continue$ I8 v" u- J( H* E: T# L# f
- STX Enemy_Index
! F7 Z- Q c; m" e& p; w - JSR Find_Begin_Enemy
8 K3 i, b! \: R, M1 c% |( n+ U - JSR Find_End_Enemy$ V$ [, ~) M8 G/ s9 c4 q/ {
- JSR Bullet_Track
0 S O s. h( b - ) c" e2 K: A: `! N4 `& b. V
- LDX Enemy_Index w0 V* N, w1 u) t
- Enemy_Check_Continue:3 Q+ Q! Z2 F4 F7 @
- DEX) Y& S; o9 v) z6 g f6 ?$ L
- BPL Enemy_Check_Begin: r L. b6 N& [! G! i
- Enemy_Check_End:
0 Z" j0 |) E: o/ H8 ^8 ] - RTS
( T5 v7 a4 j5 f( _1 O% f - 2 ]. G2 k0 Z: e: B1 D8 s# R% Q
- Track_Enemy_Check:* _' x; p+ M, \6 ^& b8 T
- LDA Time_Count, y! E! a/ f2 z9 r, h
- AND #Track_Enemy_Speed$ Z! x2 t8 _7 T1 w& Z
- CMP #Track_Enemy_Speed
' V2 I, M8 f/ o. X0 | - BNE Track_Enemy_Check_End
4 y% [% ^7 U' F/ ^. q - LDX #$0F
% r% ?0 f1 P I" L - Track_Enemy_Check_Begin:
0 B0 B9 o) b0 j# l# N+ Q) g" C - LDA Enemy_State,X9 L" `: Y* F g- c0 u i9 V
- BEQ Track_Enemy_Check_Continue
: X3 F' v- s- U! l& x - STX Enemy_Index* Z w3 h t+ Q3 H
- 7 i7 _; b- E5 [, N% Q$ O- M, J; ]
- LDA $40- U4 d8 o3 W7 w) P9 ^
- LSR
1 u! L" p% {" s6 E% r - BCC Track_Enemy_Check_Begin_L1, `* Q+ i& ^4 e8 P0 t
-
8 r4 |" w8 `3 _3 L* b" M - JSR Track_Enemy_Ex ;2, 4
- ]- Z& z9 m* X; Y6 A; W2 R - LDA #$00
' O- P" y( W1 c- U8 `- ~* |) A - BEQ Track_Enemy_Check_Begin_L28 {; v% b2 P: v3 @
-
1 T+ D+ {! F( m& o4 g' B - Track_Enemy_Check_Begin_L1:( B1 P8 }8 R+ P8 N2 i
- 8 F9 f+ E! `& D& f! X/ }
- JSR Track_Enemy
- ]! u1 J1 c1 m2 E* o - " K+ A; ?, d9 w: H' ?
- Track_Enemy_Check_Begin_L2:
! R0 G$ N) k& S* W- z$ L& J1 g -
1 k4 E- h7 o! ~ - LDX Enemy_Index0 `. S2 {. F8 w% p Y }! f& A5 q8 V7 O
- Track_Enemy_Check_Continue:/ A- S7 l5 J' C/ p/ ?
- DEX; D, F8 O: E$ E. ?" Q
- BPL Track_Enemy_Check_Begin& V' x. S; J9 i
- Track_Enemy_Check_End:' D+ t3 d; z$ N) d. ^. h
- RTS' @- Y% `$ R! y, ^7 k
@; q" Q2 M% ` J* C$ s9 M- ) Y- Y" i7 L8 I, W. ?1 h9 G0 O
- ;查找第一个敌人
( f5 a, F9 |; b' D - Find_Begin_Enemy:" \2 }6 |, k+ a& ?" v& q; Y
- LDX #$00' N# x/ L; I+ U; i$ P/ Y& {
- Find_Begin_Enemy_Check:
* T" y5 _, k* Z+ |1 d - LDA Enemy_State,X
- ~1 t+ ~8 A: H% r8 A - BEQ Find_Begin_Enemy_Check_Continue9 ~5 |2 U# o6 \6 s6 H
- LDA Enemy_Blood,X7 g; g+ h' W$ q2 O7 V$ z
- BMI Find_Begin_Enemy_Check_Continue! H+ C) m& ]& D$ ]. p; S- {# ]
- BNE Find_Begin_Enemy_End
* T, w! P3 v8 k - , {/ s# V/ V" ~( l+ [# [' A: ?, E
- Find_Begin_Enemy_Check_Continue:/ S/ K& q3 R. b" e8 g4 N8 [
- INX* V9 ^, |4 f" s5 D
- CPX #$10& W5 V% l+ G7 Z/ z5 ^: ]
- BCC Find_Begin_Enemy_Check
, u( X: |% I9 o/ G$ y8 Q - Find_Begin_Enemy_End:# U/ P/ j4 O! v1 H% z
- STX Enemy_Index_Begin
! _/ W" f$ g" y! H* h - RTS
z7 D5 B- }7 ]
: N+ a: L- v7 `- ;查找最后一个敌人
4 @+ m8 ~9 u2 h( G. t - Find_End_Enemy:" o1 f# i3 ^ o* L) Q, n H
- LDX #$0F+ I# D: w+ w Z9 U5 L, j* A) n( d
- Find_End_Enemy_Check:
]6 X) h9 B E; ]. p5 o - LDA Enemy_State,X# ~; G* d! j1 _( A. n' p
- BEQ Find_End_Enemy_Check_Continue
* F; t4 O6 [3 R! g( x, h; t - LDA Enemy_Blood,X3 D& C/ w0 ]8 K5 h$ A( v: P7 U3 t" D
- BMI Find_End_Enemy_Check_Continue h, ~( j) n6 d* g
- BNE Find_End_Enemy_End. i$ @2 N: @6 W0 m
- ' |& \9 e- m* t9 y4 a3 P. {
- Find_End_Enemy_Check_Continue:
( s, h6 F% [2 [" w4 I - DEX
. k/ y! v5 c3 } - BPL Find_End_Enemy_Check: ~+ R( }- J( [2 F
- Find_End_Enemy_End:
2 E1 o8 v, X6 S/ j2 n- r - STX Enemy_Index_End8 U" T! D9 {! H! i% I% G0 T% S
- RTS O% M. J' f9 E/ Z
- % w2 m+ T$ Z7 x3 C; o
- ;子弹追踪1 M$ K& D! _' b. |- s. j& }6 O+ {
- Bullet_Track:
4 L G% O: a& N9 p3 t - LDA Enemy_Index_Begin5 ^: N: t* n3 G( W2 F
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
0 \8 L: c- U& ~8 e% k* l! B. P - LDX #$00 ' ?. Z% g* G* b2 z5 M
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++): M( I* E% n7 ]7 ^. f3 D7 j
- LDA Bullet_State,X
8 s6 T& t3 V* C6 ^* Z - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
9 A* K! O- d2 w7 [. z% N - STX Loop_Index_I
5 V4 `: q+ w' L" h+ P" F -
5 p+ B6 s5 D! ?3 r4 x Z w1 F - JSR Bullet_Track_Enemy" O6 A# f0 f' p2 }/ e# R! F# E
- JSR Bullet_Tract_Direction' D5 ^* p5 s! \
-
5 l, s b0 H* Z. Z) \& R; y - ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪8 C) ^: U3 B( W( K: B
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
: c7 u1 V) U/ ?$ M2 V6 M - LDA nEnemyIndex# Q: {* q; z! ^; T; L! s0 m4 i
- CMP Enemy_Index_End7 i2 p2 G) n9 x3 R6 s- ^% p
- BEQ Bullet_Track_Check_Continue% k0 x' d; |1 x
- BCC Bullet_Track_Check_Continue* ?3 o4 i7 s' O% K# j
- LDA Enemy_Index_Begin
) J4 t3 B1 {! V) E$ b - STA nEnemyIndex
+ r" A3 ?. b& h. }4 D: k7 _ - : n X @( K4 j" G6 m
- Bullet_Track_Check_Continue:# E4 n5 e" S) J/ i& R2 h8 ]
- LDX Loop_Index_I
4 t' a/ H; z6 H7 I3 P! r - Bullet_Track_Check_End:
. I! {, ~4 H& Q* c1 @% A) A( j - INX
9 s! i* W6 g# W, J/ t, P& F - CPX #$10
" ^. q% |: Y2 y/ s c0 y - BCC Bullet_Track_Check; k d( [" j, K. O, N
- Bullet_Track_End:0 u" u$ B8 c0 O7 ~1 ]( P
- RTS
1 o/ z" B) {* ?: o% { -
! s1 L1 u) y% X8 X: P - ;给敌人分配子弹% c" O0 o3 Y7 p% U7 e* k
- Bullet_Track_Enemy:
* w' i5 m' C$ S4 D; G' Y2 ]3 u - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
7 i7 I( |2 P2 x - Bullet_Track_Enemy_Check:2 T2 e a8 O% D2 _; I" C# o( \
- STX Loop_Index_J/ G% s! m8 z5 f& x$ v
-
1 k0 @" \1 p' [3 Z" l - ;if (0 != nEnemy[j] && -1 == nTrack[i])
7 Q, `& K* p1 Z' `3 b4 | - LDA Enemy_State,X) H1 s! x; T. Z7 a8 N9 h
- BEQ Bullet_Track_Enemy_Check_Continue( r: p! Q1 B: A3 f/ R; a. k
- LDA Enemy_Blood,X
! p, G; T/ ?1 G7 j3 J: y7 \ - BMI Bullet_Track_Enemy_Check_Continue& v3 S( X) B2 Q! p, R
-
( X# P( w/ k7 W. {6 }! H - LDX Loop_Index_I8 ]4 |1 ~) E3 @) G& X: i
- LDA Track_Enemy_Index,X
4 ~: F! k$ O7 g3 V3 d! }6 b& a. v" { - CMP #$FF: Q w1 g3 ?3 ]3 [# A
- BEQ Bullet_Track_Enemy_Init' h; T M3 d7 R1 d3 }& k& K
-
) L" P0 p X8 }" z4 U! u - Bullet_Track_Enemy_Init:
$ S+ S9 _- T! E - LDA Loop_Index_J
F* P$ _$ p8 p4 I2 J5 \. j - STA Track_Enemy_Index,X ;nTrack[i] = j;
6 _' O* I2 ~% i, e" e -
0 r- V% `+ A* ] - STA nEnemyIndex
/ _0 z$ k4 }: f7 H - INC nEnemyIndex ;nEnemyIndex = j + 1;
. D l3 t& h% Y, o9 A - RTS ;break;
w5 Z# E) G# y. r# L/ w
- P4 F3 G3 B$ \8 i6 ] r5 }- Bullet_Track_Enemy_Check_Continue:& r5 S6 t# P0 A( J" x2 q
- LDX Loop_Index_J# {8 g3 H/ u% P/ X1 h7 y
- INX ;j++& V4 _" o9 P/ L$ H; ?. `
- CPX Enemy_Index_End; q" {+ L2 a* ?; Z) }& s
- BEQ Bullet_Track_Enemy_Check5 \2 V0 U1 \, R
- BCC Bullet_Track_Enemy_Check
' x' i. v. X+ N c - Bullet_Track_Enemy_End:
! _' j2 @1 v- ]% [ g5 W - RTS9 R3 [ ~0 K& E# s% C
- , `# k9 `- d5 z. R# F
- Track_Enemy:. J" [' h& F1 y. a
- LDX #$0F
1 ]( D- i6 X) z - Track_Enemy_Begin:1 L. K- m6 R3 ~0 K* @
- LDA Bullet_Icon,X
$ e; @ P+ x; P/ {. t! x; d - BEQ Track_Enemy_Continue
+ S5 n+ |% l& O% R+ ? - LDA Bullet_State,X
& @& L1 W1 ?' Q# _2 e - CMP #$01
9 A( p1 \4 l& {7 G4 R% |5 I - BNE Track_Enemy_Continue5 `7 _" U! l% f/ P
-
; K! {7 n# Y/ {0 u8 |7 ~ i1 [ - JSR Track_Enemy_Process# Y+ l3 c2 z, p
-
0 u! m5 M+ B: f8 D/ G: c5 q& u - Track_Enemy_Continue:
/ e7 `+ v ?8 {, l7 @3 M - DEX; E( k; ^/ O5 [/ ?
- BPL Track_Enemy_Begin. T% ^# @ ]2 t, T2 _) q
- RTS
e+ x/ u: u; c
- f/ C) X: ^1 l- ;普通关卡
: p$ x) K' Q' J# L* K+ d$ d" H i - Track_Enemy_Process:& g; E' u. [+ K. u
- LDA Track_Enemy_Index,X
* ^ h7 R1 B; o$ ]! v - CMP Enemy_Index
% E% w1 p6 k# F! ?8 S" X7 h& g6 C - BNE Track_Enemy_End" _6 q6 U/ v3 f6 x$ M) n
- LDY Enemy_Index! b8 m# _* c- a+ B
- JSR Track_Enemy_Y. \" R1 c/ m1 l) Y$ u U9 N
- LDY Enemy_Index
( e8 v u, s; E - JSR Track_Enemy_X
7 \3 l- [+ J3 W L* k1 S5 r - Track_Enemy_End:
$ K2 z, F" ?- s4 [4 M* v - RTS
; J, k+ \ C! F$ ] -
5 ?9 I7 X* x+ ~- t4 f0 L - Track_Enemy_Y:: ]( Q% O( L5 C8 L
- SEC, g8 O" F# s' U" w6 X
- LDA Bullet_Y_Pos,X B* S. s5 g2 X' N
- SBC Enemy_Y_Pos,Y3 w5 [- p9 s2 \% L# s' n
- BEQ Track_Enemy_Y_Equal$ z* W9 w) Y, N+ I& v
- BCS Track_Enemy_Y_Greater% l! C0 x8 c( ` R
- N8 W& u; Q% H$ }: r2 C
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
( G) C- r" P, h3 v7 Y - CMP #$FC
7 N# I& |- ?4 U7 s/ B6 E, C: E! q* h) Z - BCC L1_1+ n! ?5 r, v3 C% \
- CMP #$FE4 f# ^, q0 I& S
- BCC L1_2# r' H: n& U& y" z) W0 }
- LDA #$00
; f( N. p, R# |& _ - STA Bullet_Y_Speed,X( d+ B1 {( y( K5 r9 [" \
- RTS
7 |' K+ _" w' d2 b - L1_1:
# `$ x0 H! T' l$ l: D - LDA Bullet_Type,X
& Q$ X" Q0 a4 G" ?* e - AND #$0F
- K& _# k2 p8 U1 \6 l - TAY- U2 {/ E% k3 v* ~# A7 o* E
- LDA Bullet_Speed_Data,Y/ i* B8 T" U: k: U0 H
- STA Bullet_Y_Speed,X* P- T* }. _9 b
- RTS* A% q2 S: b7 j/ Z( W1 L7 i3 w
9 w0 ?/ [; ?3 ~- L1_2:
9 w$ U5 ~; {# Y2 s6 L# U - STA Data_buffer
% e9 n) _$ G4 G3 A! L - LDA #$00
( q6 K2 \- L5 }, _ - STA Data_buffer
% C% E+ W/ a! D% ^, y6 X; J - LSR
) j/ t8 M, U: O - STA Bullet_Y_Speed,X& W0 l0 ^) P* U% p* r, y
- RTS
8 p# U! r$ d. m/ k# p. b - ) W# |; t* d$ V2 Y% ?
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
) _0 R4 x9 U/ h - CMP #$04
- N5 _9 R) M, z- a - BCS L2_1
6 i1 m1 B$ A+ p/ b" d - CMP #$04
8 ^1 q9 C, e0 G - BCS L2_2
% X1 E0 W' C+ o* E - LDA #$00$ @7 B5 Q, P- H4 V
- STA Bullet_Y_Speed,X+ ]: Z' q' T3 A: p0 q
- RTS
9 Y) y* c# e8 y: b -
( z. G# ]' [% M2 j7 p( c2 O - L2_1: B/ c6 n J; B u) u
- LDA Bullet_Type,X
' }$ `4 {) a; @/ D: y4 ~. Z - AND #$0F! s5 ?3 [+ \ i; B
- TAY/ U% s9 e& a9 @3 s' k, }
- LDA #$00
! B- j7 K2 }' V5 r+ e( I - SBC Bullet_Speed_Data,Y
0 v0 [( S' f# H3 o - STA Bullet_Y_Speed,X7 g1 q/ ~% c* K( \% ]' Y& P \
- RTS9 c- |6 e4 L; |$ p
-
# P$ m5 p0 s8 j! M! m; G - L2_2:) |; n# l* B; u; j' [
- LSR/ x$ q7 }3 R2 r) e/ y
- STA Data_buffer# i! ]8 O5 J" K: P; m t
- LDA #$00
! W2 c. m( [8 {, k7 _2 O7 S; { - SBC Data_buffer
) W( [3 f- |3 T! C) J: e - STA Bullet_Y_Speed,X
0 L6 @6 V! s, F, O# l - RTS0 K% y+ ^( M K( O$ X
- 7 Y0 k1 E+ e0 C$ Y# y/ ^: D
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y9 j& p! l) G/ p5 K1 y4 v0 l: g9 X7 y
- LDA #$00
/ }0 L; b7 @6 Q0 }+ C* D - STA Bullet_Y_Speed,X
( E8 F% O- q, ]# T. [% ?& c - RTS3 S. s3 ^8 k$ W: f- x! Y
- ( U! l5 x3 K( J# q, ?
- Track_Enemy_X:
# w8 z8 Q8 M) F6 J& J - SEC9 L! n: c9 e) A, O) w
- LDA Bullet_X_Pos,X o4 _) R/ B8 i4 ~' ?6 ]( @
- SBC Enemy_X_Pos,Y# K) k# N, \2 n
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X' q2 s5 y! b# |
- BCS Track_Enemy_X_Greater ;子弹在敌人下方3 s" K- N& i. [4 ~- y8 b% v
- 0 G. h9 L4 t0 f3 F' y
- Track_Enemy_X_Less: ;子弹X < 敌人X
; b6 {. T2 C- ^* a9 r, Y4 c - CMP #$FC$ b* R9 {6 W( T b$ s$ B
- BCC L3_1
7 Q/ t/ X7 l! r' G - CMP #$FE6 U2 e* t* q! x& o2 l5 |
- BCC L3_2: A! J( K/ h( v$ W* o8 \
- LDA #$00$ Z- O3 r+ A( l! M
- STA Bullet_X_Speed,X( ~6 A1 G5 A' ^# e$ Q9 {
- RTS& [$ C& O& R! q6 |' M& k) F
- L3_1:
5 P% k8 Q7 O8 T% z! H0 `, Z- M& { - LDA Bullet_Type,X
, t' Z; p2 D7 r5 a n' Y - AND #$0F$ i5 h1 _: D$ Y. ?4 d
- TAY
1 V4 F( K0 [7 t& ?7 o - LDA Bullet_Speed_Data,Y( u% s7 c$ I4 O3 n' n* ~9 ]
- STA Bullet_X_Speed,X9 v8 N& c$ U$ \+ ]4 z0 A ?
- RTS6 B/ l! L0 B: B+ Y
- L3_2: : y* D5 S7 ]+ ^$ R/ _
- STA Data_buffer" m" t0 z! O/ p0 o) i
- LDA #$00- H* e8 L* I- g
- STA Data_buffer
9 c3 B8 S& c& j& y& h/ j7 V - LSR) z/ ]( K. x5 W4 R
- STA Bullet_X_Speed,X
! p2 Y1 e6 A3 `$ C) J - RTS
0 x0 Z4 o9 `7 d# v - ! Q/ s' L5 E6 @6 U. I. Z% L. r1 J
- Track_Enemy_X_Greater: ;子弹X > 敌人X
4 i3 O, O0 Q" V! C% c - CMP #$04
, x8 S1 |% H" D+ Q2 k/ m - BCS L4_1( u( A6 {9 }* w& v) Z) e
- CMP #$022 v% m3 R' r% v8 I7 k) K
- BCS L4_2. I H% y- d1 t$ Q# U# h
- LDA #$003 b* W8 W0 y# o8 \
- STA Bullet_X_Speed,X
: m* S' r& T/ }2 ^ - RTS
& {$ ]" w1 w0 A# i0 |2 ] - ) [# J& C- H3 C3 h: z0 q" R4 Z0 ]
- L4_1:
( _. X6 Z- f- o' q; l) A' l3 \( l+ l8 } - LDA Bullet_Type,X
2 N! M' _4 n0 {3 ]* y* r( @! c - AND #$0F- Y4 @+ X" a9 ?, F2 Z3 c. [( m' D
- TAY6 R8 r4 ~9 N3 F$ n. A, Z& e
- LDA #$00
+ n$ r0 L; V0 p, i, L4 W: b - SBC Bullet_Speed_Data,Y
- D2 }% F, J+ F+ _; Z - STA Bullet_X_Speed,X
: t4 h1 L/ `2 M) I2 {4 ^! R - RTS
/ j$ D& h7 H: D: w, S h1 N - L4_2: 8 r! z: X# U, \( v: e7 u2 p
- LSR
) e' W+ Z+ Z/ E) G# g - STA Data_buffer
! J0 L4 x8 z0 p# e" J - LDA #$00
& M7 X* {! x g! Q* f6 O0 ~ - SBC Data_buffer8 H! J* w+ @8 q+ M( k8 x" r) m9 `
- STA Bullet_X_Speed,X+ u+ o; s: X2 n
- RTS) v( T+ I- B3 q
-
* d# e: S: N8 s0 S4 k" F - Track_Enemy_X_Equal: ;子弹X == 敌人X
; v3 z* G" s: _# B$ B! I9 ] - LDA #$00
5 J! J5 f+ |8 l, J) F2 q - STA Bullet_X_Speed,X
, S! }" f6 ^9 B( F' ~9 p6 K: H" o. h( ] - RTS0 U$ E4 @0 _ H p( j& f4 h1 Q: N
-
( U9 J+ L2 b) A/ I( y/ m1 ^% C - Bullet_Speed_Data:" [( }$ c+ a3 _" g; Y
- .DB $00,$03,$03,$02,$03,$032 x5 e, q; @) j q3 `6 m( c7 P
- + W% @9 V$ Y/ h, _, w! \, s" N
- ;2, 4关
. g$ x& p% R; y* Q& I - Track_Enemy_Ex:! \# t9 V: e) F; n
- LDX #$0F- K" y" ]4 M J6 E% \; J
- Track_Enemy_Ex_Begin:
: |" H v L% L
% u8 y j$ g( Q7 t- {- LDA Bullet_State,X
& M5 Z6 k2 K9 l @2 [1 o. [ - CMP #$01$ i* e( ^! T- B1 r/ ^, l6 _! g
- BNE Track_Enemy_Ex_Continue& |/ U5 q0 c/ c) V; j! w
- ! b9 L) |+ |. Y
- LDA Track_Enemy_Index,X8 T6 I4 o8 N# v6 T* y& s
- CMP Enemy_Index
# R' L3 G- ?: U# c! q - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
. l( k5 L7 K+ k: u -
5 r& Y5 l% }8 U3 B9 D - LDY Enemy_Index0 D0 h; \/ P; |( o5 c$ s1 H
- JSR Track_Enemy_Ex_X# k% U2 u+ e! ^( `: \+ f3 f4 |4 c3 {
- - B8 S5 v9 v) C' x9 U
- Track_Enemy_Ex_Continue:% f& Z3 `9 H \4 G1 z4 K3 W) \
- DEX l" G* |. K" V S8 Y4 L' J- z
- BPL Track_Enemy_Ex_Begin% l7 K/ T4 {% E' V5 I8 m6 b; j% l
- Track_Enemy_Ex_End:$ h1 d$ a' o7 X) F% A- a
- RTS
% j7 H6 i- @; m) o1 S9 r2 [ -
8 W1 N( r3 t8 { - Track_Enemy_Ex_X:6 Y' n1 P9 l7 ]4 y
- ;LDA Bullet_Z_Pos,X% K% U7 G, v2 A$ l" c4 o
- ;CMP #$04
! U. D( O+ D! A7 q( M2 W u3 ~ - ;BCC Track_Enemy_Ex_X_End& j5 K) J" L, i9 Y* V
- SEC
7 v/ r0 U2 c! h5 t - LDA Bullet_X_Pos,X/ u3 \5 j3 D0 P/ B
- SBC Enemy_X_Pos,Y. F4 z ~1 `/ R
- BCS Track_Enemy_Ex_X_Greater6 u: }- ?2 _& @0 Q8 \+ U
-
" R& V8 c9 Y9 p- l1 V/ Z2 s - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
$ o7 k# ^, }# O& b4 R2 { - CMP #$FD' U9 I# U/ ~/ v2 c
- BCS Track_Enemy_Ex_X_Less_End2 j5 f+ _7 X+ E+ S
- LDA $6020,X" ~0 }. \& ]1 I: b0 |9 S
- CMP #$2A
1 _( i- V0 a4 V2 O - BEQ Track_Enemy_Ex_X_Less_L1+ k1 @) J: F1 i# |7 q4 M8 d& m
- LDA Bullet_Z_Pos,X) h6 y3 T6 {3 G% l! V7 V x4 ?: b
- LSR
/ u$ Z& z7 \4 h! z - TAY1 N) ]4 Y# Y7 ]3 m
- LDA Bullet_Speed_Data_Ex_R,Y
9 J- o% Q/ a7 F( I$ \, A - STA Bullet_X_Speed,X
$ _2 G- V# k+ _$ S2 D5 B - RTS) K1 Y7 f, C( k5 c! z3 F4 T) ]$ {3 K
- Track_Enemy_Ex_X_Less_L1:
1 s# ]$ p$ w* U9 S+ r! \ - - s( S, M/ h* d$ [, c+ {
- LDA Bullet_Z_Pos,X
+ n7 N0 [4 \ p# i6 q - LSR
3 U5 t& m+ Y7 a8 q, b$ R; ?: G* {( K - LSR9 v/ ~$ }4 F8 M- K, J
- TAY
6 A. P- z5 J- [0 Y8 T& R2 K - LDA Bullet_Speed_Data_Ex,Y
3 ?5 b, y9 `+ g# a$ R; s) |/ P% e* A - STA Bullet_X_Speed,X& @3 U" S# M z+ [
- RTS
% Q& r; D! u' d! ?6 x2 m! y - 4 d1 m5 r' F4 H2 u: D6 d
- Track_Enemy_Ex_X_Less_End:
' B' G* D# }/ f/ x - RTS4 `2 @& V: B- U v
- 7 b! B9 O$ o4 E9 M E! V
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
( T# w4 a6 _( E/ s; T. u - CMP #$03
, z# Y; o4 c+ q - BCC Track_Enemy_Ex_X_End. W8 T4 @( b! m
- LDA $6020,X
6 I9 V( F# Q' V V+ Q5 \' _ - CMP #$2A
" J/ s' [. e4 F9 J% P - BEQ Track_Enemy_Ex_X_Greater_L11 ], S6 E. S: s, `4 n) n/ E
- LDA Bullet_Z_Pos,X
+ l, S# E9 R v% X8 _% F r# L e4 T# x - LSR
" I% K- y0 \1 R$ o$ E8 g# J - TAY
6 {3 w, q9 [. ]; a - LDA #$00; S1 e" @& A" ?* T6 D
- SEC4 b, T; d6 U% F( G% C' w# O1 N/ G* f5 c
- SBC Bullet_Speed_Data_Ex_R,Y* I* X. f' \$ T
- STA Bullet_X_Speed,X6 C& }8 z" g3 e: o0 r {3 L
- RTS
% O9 c9 N% G4 j+ M O: p$ f/ T -
; [+ M1 l0 Q- T' V( ~9 N - Track_Enemy_Ex_X_Greater_L1
3 w( ?8 ~. r8 |* u - LDA Bullet_Z_Pos,X
$ J" C# l7 m5 R+ s - LSR
+ _. r, H4 p4 E) H4 R4 {) j$ K - LSR2 t# t% N+ }8 y h4 ^2 u* M
- TAY' r) D- L7 K- R0 K) ]
- LDA #$00 |/ a2 p! p6 ~% Z
- SEC- [& K; E5 c7 \; o. p9 J$ H
- SBC Bullet_Speed_Data_Ex,Y4 X- y8 {; Y. |) q! X0 k- q+ s
- STA Bullet_X_Speed,X. w9 X6 s* m1 N& ~
- RTS h# r0 S0 _; m" X
-
3 B8 {6 H9 ]0 m3 l A8 D6 O* X - Track_Enemy_Ex_X_End:0 |; @; }) w! v1 h' G( _0 ?
- RTS
* s! D' l& O6 \' z& d- C- z; W7 i -
. X# s m8 G7 O8 H0 R - ;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)
- A8 s& _+ P. |; Z7 t - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上) \- P. Q! X D/ \
- Bullet_Tract_Direction:
# q2 n$ [; E% z+ ^, Q% V - LDA Bullet_Icon,X0 K) ?" b( C. s& q0 i" C
- CMP #$232 _) n% O/ N5 L
- BCC Bullet_Tract_Direction_End8 _. h& ^8 N. b0 M- j
- " s: p1 V2 O9 @2 H
- ; X != 0
9 r0 O6 O1 p1 c - LDA Bullet_X_Speed,X
) @. V; A& _0 S* S, ] - BEQ Bullet_Direction_V
# a6 t- Y0 q X# m - , i! e* D6 \& v( \8 p
- LDA Bullet_Y_Speed,X
- R S! U$ `3 _4 W: }6 z - BEQ Bullet_Direction_H
* q' z6 u1 ]: B3 R - . P c2 n3 E+ P$ s9 }# H
- LDA Bullet_X_Speed,X
- u7 N- T* v% [% C* c3 g - BPL Bullet_Tract_Direction_Right- l. }6 d- ~" b3 `3 s" I3 S
- Bullet_Tract_Direction_Left:
( j. _' T3 }0 ^# p, O - LDA Bullet_Y_Speed,X
3 e, V+ C8 z2 _: V - BMI Bullet_Direction_Left_Top, t, N% w$ B+ q/ V. O
- BPL Bullet_Direction_Left_Down. t; u+ k7 z# J# `1 ?
- Bullet_Tract_Direction_Right:
2 z: _4 o# C ]2 j* G6 r - LDA Bullet_Y_Speed,X
. `8 u0 C, f. T! m% H - BMI Bullet_Direction_Right_Top& G3 Q( D9 R7 f- b
- BPL Bullet_Direction_Right_Down" R6 u6 p; N; y; J2 K
- Bullet_Tract_Direction_End:6 y( ?, I% E& }$ M% B( [: N
- RTS1 W- P; l6 j& A( h& {0 T
- U( I6 \! n0 c
- Bullet_Direction_Left_Top:* O" S7 O6 d2 \# ~2 p# E% _
- LDA #$25/ T& j0 I# y! x1 J
- STA Bullet_Icon,X
3 `3 F$ O' B+ F - LDA #$C0
2 `' f9 [" Y, D$ q, g! r2 y: E - STA Bullet_Direction,X
* }- {3 _/ m& e6 G - RTS% g& C2 N+ @3 O: J* S
v: s4 Q: N# {% h- H. V- Bullet_Direction_Left_Down:
% d! k$ y) x/ ^$ m! c - LDA #$25
9 ?6 n) w* l6 H$ {( k" f - STA Bullet_Icon,X
, s0 i- D( m; C- x H - LDA #$40: ~5 I. d! l9 A7 L
- STA Bullet_Direction,X E Y4 P- o3 R, z: k+ L6 v
- RTS& R( F) i5 O9 ^( j: I" p; S/ v3 Y3 ^
2 e( I4 _. q# u/ \/ S3 \( x& B- Bullet_Direction_Right_Top:
6 D* ~; c1 c$ N' ^" ~* Q0 I - LDA #$25
2 F" c) S6 v! a2 a' l0 i: _ - STA Bullet_Icon,X- e: ~) H$ U# K4 i- L3 r# ]! K" K
- LDA #$80
( u9 n) G2 s# e d6 F" y - STA Bullet_Direction,X6 V# G4 h9 o( M3 W
- RTS2 I' f) J/ L" f' e8 q( ?7 Q. d
+ z9 X/ \9 i+ L0 u: W" d' Q- Bullet_Direction_Right_Down:; E6 i+ e) t+ P8 E; q1 ^" O$ R
- LDA #$25
; t; E4 F; ]: x G - STA Bullet_Icon,X
3 q/ w. l& N3 _1 ~ - LDA #$00$ G9 ?% o$ m" m' Q! Z
- STA Bullet_Direction,X2 W' j8 n8 k, p! [* r
- RTS
2 R t4 v a! u; ^& C - 0 c& y8 H" p9 S, u" i
- Bullet_Direction_H: r0 r( ]' ]" o
- LDA #$246 L s# N( _2 R- N% I9 l% K% @* A4 H
- STA Bullet_Icon,X
& X/ A. T$ m6 G) \& Y" x1 I7 c - LDA #$00
( |% } P3 w% b0 A1 |* L - STA Bullet_Direction,X& g) X8 D: u- h) f
- RTS- K: Z) ]6 |% S4 `' k
, j! F4 y% R9 x' Z: r/ [- Bullet_Direction_V:
7 i$ E7 p: X8 }* L, z7 E - LDA #$23
5 K7 s' O% u+ h1 [' ^ - STA Bullet_Icon,X- E& g2 D7 u. `" T
- LDA #$00" y0 o1 _" V& `% v
- STA Bullet_Direction,X
# a4 D5 q! A! s8 n; l! h2 M - RTS
/ k* C5 `. N7 k- M& r; v! x' O
/ i2 [2 B, b+ L* _6 _: y, Q- Bullet_Speed_Data_Ex:$ u$ w; q8 y- d" [. M
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
7 h; e8 n3 y- E4 X2 e* M. w, E* F -
# W' R. P; l# W& e, ]7 [, `# w/ d5 w - Bullet_Speed_Data_Ex_R:
& o9 p- \4 Q: h% n - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08( ~, h* [6 V, \1 M* N
-
复制代码 # ?/ m( b8 Q9 T! x
3 m6 L' C# q% _/ i# A
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