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[FC][魂斗罗][J][追踪弹]; `6 W# o& f7 S% h
: c- z1 o) D* V: E8 J/ j时间:2023.04.301 E7 l1 V& p' N
作者:FlameCyclone7 l" l0 B1 e- }# \' q$ f7 Q4 t
内容:
% f; Q# Q/ x. B( a9 Z$ _ C 1. 所有子弹追踪敌人& U: W1 Q! d3 Q7 f! U# V# Z
2. 选择键切换武器; g" y2 Y+ _$ a( F: @
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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/ { D& k w W4 U, Bflamecyclone.ys168.com2 ~% C: \! }7 ?

. R: }$ K2 j- P# V/ ]% t8 q- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁% ]% A4 c9 J% Q$ `
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L5 h3 \0 ?9 `9 w2 P1 P# b4 S$ W
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
% e& H0 T( K- Q$ d" i# M
/ T) i) T4 V& 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)
$ y& h l, M- P0 ~; B0 B - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
( Q5 \) F6 R5 P$ w4 f6 _ - 6 |& N6 T0 t0 T2 i! V
- Track_Enemy_Index = $6000
# y; o8 ~5 G2 a/ c0 [1 l+ \$ l6 Z - Enemy_Index_Begin = $6010
; x2 j* x" k7 R* N% d/ s- V0 C - Enemy_Index_End = $6011$ ^& Q2 T7 o; F% u
- ; I* a; D. Z, u- C" p
- Loop_Index_I = $6012
; ~6 @# D* L* d. B0 Y - Loop_Index_J = $6013 N0 D( p) E# N9 o8 p% o( `
- nEnemyIndex = $6014: V7 t) C$ [4 a
- Data_buffer = $6015
5 q: v+ Q; N, d/ e u& Z
5 f8 z, X. g I; ] _- Bullet_Y_Pos = $03B8 ;子弹垂直坐标# e- W1 }' u1 ~
- Bullet_X_Pos = $03C8 ;子弹水平坐标; l* r4 J k; c& \
- Bullet_Y_Speed = $03F8 ;子弹垂直速度- @4 x! c" a" U
- Bullet_X_Speed = $0408 ;子弹水平速度" P2 h6 j, r9 A# Q: Q( J; i# C
- Bullet_Z_Pos = $0418 ;子弹Z坐标
* d% _+ R: v; h9 d8 g. ^& }! x - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
1 p2 E' f( a; q9 `3 x
" r) W0 W# O5 S" \" J8 \6 |- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
5 f d9 L6 ^$ r$ o" F - Enemy_Blood = $0598 ;敌人血量
' c3 H% M, J3 ?. B - Enemy_Type_Addr = $0528 ;敌人类型
& g. j" ^! L6 r- @. [- _& f - Enemy_Blood_Addr = $0578 ;敌人血量
+ t/ t4 \+ l0 e - Enemy_Y_Pos = $0324 ;敌人垂直坐标
% q* Q/ H+ Q# V7 N9 D. c - Enemy_X_Pos = $033E ;敌人水平坐标
7 U0 F, r# y' Q# F - Enemy_Y_Speed = $04E8 ;敌人垂直速度2 M5 L) ?0 }' y5 o" E
- 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
3 o3 h; B7 y. M+ Z2 L
- g* w& D4 V0 k! d- Enemy_Index = $83 ;
4 q( l' d* p- x/ }0 i) k5 U# B - Time_Count = $1A
: A3 o. o& A; H - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
7 Q W" _2 `; J - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
7 E6 e- d' F3 w5 I, f Z
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. q. w3 F# I9 k6 e+ _) H! W- N6 L- .ORG $61003 w Z" e- v, p3 P% ?4 o6 x: E
- Process_Begin:! g5 C3 m; C3 N5 K/ |6 ]
- JSR Enemy_Check
- u9 F7 Q: @6 I8 E# x0 m - JSR Track_Enemy_Check, ~9 z3 ^5 k+ o: C" X" j- w
- Process_End:
# ]& B' N: `3 f8 }! F1 P - JMP $E54F3 }6 ?6 {! M+ \8 O
- 1 n) {7 n, d0 W( f+ B
- Enemy_Check:& s+ N; Z9 }/ K0 G/ |" C5 P) z, n
- LDA Time_Count
9 b/ _4 H8 n2 g% u; d+ u% B6 j - AND #Track_Bullet_Speed
9 g( {; o8 W( P# W3 g U; A) ?, p - CMP #Track_Bullet_Speed6 u8 b o) F1 K7 j
- BNE Enemy_Check_End
1 t) m" j) [/ a - LDX #$0F
- |0 Z0 b E Z8 a% G: @; ` \ - Enemy_Check_Begin:1 p9 K! }8 [* D
- LDA Enemy_State,X/ t8 K4 t, m0 g7 `5 |1 O/ ]
- BEQ Enemy_Check_Continue
4 h/ n% ~* ]) V' A8 t% k# G - STX Enemy_Index
2 C' K, I4 L7 g+ i4 Q" C. g. `; H - JSR Find_Begin_Enemy3 s2 c, l _4 ^1 z) ? Z2 V" ?& e
- JSR Find_End_Enemy5 @* E( p& A+ G6 ?+ N' U% q
- JSR Bullet_Track
8 s" A7 H+ Y* ?6 L; K -
. j3 ^- |* O, c7 `' m3 r5 r: X - LDX Enemy_Index9 Z6 X( B& O) E9 v5 A7 Y& R% G
- Enemy_Check_Continue:2 S! b% w. d+ P8 T* \8 O C
- DEX
, }$ z* q- c) f3 y0 L& X - BPL Enemy_Check_Begin7 ~' \0 x: D; h
- Enemy_Check_End:; [! b/ H1 \& C! G7 j
- RTS* B% y% b. X: R/ G+ O" W
- ' O+ [8 M. Q" M) i5 S0 h
- Track_Enemy_Check:4 h9 H5 G9 v0 a9 E8 ]
- LDA Time_Count! W- R s+ V' s/ l
- AND #Track_Enemy_Speed
, a7 f% J; C, D) e K7 n( ^8 A - CMP #Track_Enemy_Speed
% {+ g7 P; L- f8 p' u& N5 M - BNE Track_Enemy_Check_End# w! _$ ~% f8 B# ^6 p: r
- LDX #$0F4 ~- Z( F' L' F7 C: o5 V0 V
- Track_Enemy_Check_Begin:
- ?9 X5 g( d5 k" {9 V$ b - LDA Enemy_State,X
; _& I I; o& @- d - BEQ Track_Enemy_Check_Continue
" y# b& A- `* a1 C+ s - STX Enemy_Index. P# n$ }( y9 u; w
-
! [; f2 G; f. c2 T - LDA $40! C. z$ h: h% i7 M S
- LSR
% a+ F: p& x. o* y' L - BCC Track_Enemy_Check_Begin_L1) K( s }, m$ K( S
- 6 l5 G" Q8 |+ q" b
- JSR Track_Enemy_Ex ;2, 4# f; V E8 B; c$ D
- LDA #$00
6 [. q: k6 h2 ~" a2 s: l* W, Z) j- R - BEQ Track_Enemy_Check_Begin_L2
6 z* P! L5 B: I: N( _ - ( s- T9 C9 U. R; J. j9 X
- Track_Enemy_Check_Begin_L1:
' ?- e( d+ p3 D2 m- M) E* b - 8 C: j7 B; S) k' u1 t
- JSR Track_Enemy8 Y4 B3 W1 { \2 {. h6 T5 e
7 _0 C+ _6 Q* h" \: ^- Track_Enemy_Check_Begin_L2:7 }2 a7 g; r3 f
- , }* l- D( e4 O- Q) ^- h" D8 Y
- LDX Enemy_Index
2 b0 c3 y0 [8 [; [ - Track_Enemy_Check_Continue:
, Q3 x) a+ ]- A2 B8 Z b8 k" ? - DEX
) i I! {) \' T- P6 R. K. m - BPL Track_Enemy_Check_Begin* `, @. J( y. r) x
- Track_Enemy_Check_End:
]' J$ g- _* I. g9 c1 t `$ F - RTS
2 h0 I0 o7 }& t" u8 G
5 S6 h2 }+ D N( L+ E$ t- 7 z6 L5 J4 O8 Y4 r& A4 h
- ;查找第一个敌人+ {% n: d- G$ \4 h
- Find_Begin_Enemy:
+ s7 S' Z: [5 `9 X - LDX #$00 J7 O; E P( \; T
- Find_Begin_Enemy_Check:' T# ^' _0 [7 x2 a, H8 j
- LDA Enemy_State,X
3 M6 |. W* h* ~1 t* ?! U/ H - BEQ Find_Begin_Enemy_Check_Continue! a0 V ^+ Q: I Y* J
- LDA Enemy_Blood,X! U6 Z1 Z! e/ p' ^: `- k
- BMI Find_Begin_Enemy_Check_Continue
1 l; ?, y& g' O& G$ m* P$ e5 c7 l1 j - BNE Find_Begin_Enemy_End
6 L" m3 C/ @# o: k6 c -
; z5 ?0 u. R H9 H4 q3 \* W - Find_Begin_Enemy_Check_Continue:7 U1 W8 t, @0 ~& K( A( d
- INX
% X; t9 S( q; h4 } - CPX #$101 t' Y7 ^" S3 l. P! D N, y+ B
- BCC Find_Begin_Enemy_Check
5 _1 {/ U/ x H+ }6 D5 T - Find_Begin_Enemy_End:
0 }% u8 g8 _# K! N4 h9 ~# L2 Q - STX Enemy_Index_Begin
; |* u# K6 q8 w$ C6 J5 b0 I - RTS
9 }. }! F3 p9 J2 B1 f
+ C( M! i) k6 _% H# ^8 }( L* Z- ;查找最后一个敌人
& S! _: L6 a9 X v3 L7 t9 Y - Find_End_Enemy:/ z) }2 S1 M6 E/ S, d0 W
- LDX #$0F8 d l% G, e A2 N. t6 C4 B, g
- Find_End_Enemy_Check:
! X _1 ]4 Z! |6 u - LDA Enemy_State,X
) {2 @% g2 v4 {. S: l- ^0 r! g: @- I - BEQ Find_End_Enemy_Check_Continue. f& F- }, P- m3 X
- LDA Enemy_Blood,X
; Y- K! }- M& [+ ^; A - BMI Find_End_Enemy_Check_Continue
( b; V& H1 i. D. W6 i9 h h - BNE Find_End_Enemy_End+ x, G- i) W# m5 T- o
-
& m& l) |$ Z- W/ g5 I5 n( g - Find_End_Enemy_Check_Continue:
/ D5 h" j0 a( F9 g - DEX7 L+ ~0 F7 l* d; s
- BPL Find_End_Enemy_Check
* O: S% T/ w: L% J" X - Find_End_Enemy_End:
8 G$ \ D% X, J, d- x7 S - STX Enemy_Index_End1 \8 J! c! g! t9 |
- RTS
) s" H; y/ l* ^% Z) V7 J* o - 4 j! Z7 y7 {/ ]7 a
- ;子弹追踪+ D. @& \9 E& B& _
- Bullet_Track:+ v' W" q% d8 u, o* A& ?
- LDA Enemy_Index_Begin
# s7 w1 d7 \+ z2 ?9 u5 I" R - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;: m! r5 b) e- P
- LDX #$00
0 Y* w- z9 j4 v - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
- v6 h) g" n3 c, {* Z: E, h - LDA Bullet_State,X# W% G; _ f+ x( X6 ?: [ r" W
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;) A1 K( W$ X* ^* ^1 K, p
- STX Loop_Index_I
' b) j: V) ? H2 H! ~$ n0 t - - |* s( w! j' P8 _
- JSR Bullet_Track_Enemy
# `6 W8 P n* V( W1 c/ v- T- X) o - JSR Bullet_Tract_Direction2 {: `8 `9 N* p) |
-
% J- k6 L9 Y$ U$ ^ - ;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5 \" Z8 Q; a1 K' q; N+ N, ^/ c
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;0 d0 L0 @: C9 C% \
- LDA nEnemyIndex
# f9 k+ c9 G- o8 f2 ?2 { - CMP Enemy_Index_End
0 Q v2 o$ b! g3 w% p3 w, }/ o - BEQ Bullet_Track_Check_Continue
' Y; @. q" N7 O - BCC Bullet_Track_Check_Continue
U, Z: W5 ?! q' ?0 q3 J5 Q - LDA Enemy_Index_Begin6 C1 B- B( ~' e, w
- STA nEnemyIndex: c+ G+ j9 P* b& s( s
- 0 \4 r2 C# D, J4 _% ]6 ]3 C
- Bullet_Track_Check_Continue:5 I9 M ^+ H; [7 H* K
- LDX Loop_Index_I1 W, e7 H$ k1 ~& D% P
- Bullet_Track_Check_End:
, t. T# _/ G4 d" U - INX
# P: `( p, f" W$ j - CPX #$10
3 V/ u' I9 W1 f8 o: G5 W7 l: r - BCC Bullet_Track_Check
% d- q' t% ^9 v - Bullet_Track_End:+ U0 D% Z7 s t' r( V
- RTS# \4 y: z/ i8 N5 \, ^$ g
-
2 o9 B) e/ m' u, Z) h - ;给敌人分配子弹
1 k& e9 P* a+ l9 k" q - Bullet_Track_Enemy:
1 p1 W7 b! \1 S# ]9 N - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
1 E3 z* g5 L. d - Bullet_Track_Enemy_Check:
9 B3 H4 [9 w7 |/ C; b5 S3 _6 z. Q" f - STX Loop_Index_J1 ^* q9 ^( t% W6 L- P
- " X& P) Z% @. b2 X! r1 C0 q* ]# U( \
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
: [$ c: [8 c# C! P$ a4 j0 l! Q - LDA Enemy_State,X. X! ?& f' i E A6 F9 P
- BEQ Bullet_Track_Enemy_Check_Continue
9 Y1 T5 u. V; K; v1 M5 V, ?1 X& n7 L4 U - LDA Enemy_Blood,X! [4 b* ^7 z7 H# o( \3 [
- BMI Bullet_Track_Enemy_Check_Continue
7 f% o) p% [/ ^% t6 L -
9 I4 a8 P4 M/ w! @6 j5 `9 L8 j - LDX Loop_Index_I
- u" S1 G; L# t6 A - LDA Track_Enemy_Index,X4 }0 P. u- _# L0 T- V6 Y/ v
- CMP #$FF7 P+ J. x) l+ t/ z
- BEQ Bullet_Track_Enemy_Init) J& V% M, | o
- 5 J) t9 B4 T4 t7 z( E7 p
- Bullet_Track_Enemy_Init:5 p+ P' w+ `1 o: u8 O( L- R
- LDA Loop_Index_J
* ?" g) m2 F6 i - STA Track_Enemy_Index,X ;nTrack[i] = j;
# Y2 k7 x( V# P% w -
& b( C' \9 ^) R; I - STA nEnemyIndex
4 x, d, B" ~$ } - INC nEnemyIndex ;nEnemyIndex = j + 1;6 v( J* v E2 f
- RTS ;break;: I+ r) K {- M% X1 i
+ q: F4 w1 I- {& M+ W! u/ p- Bullet_Track_Enemy_Check_Continue:! j- t4 q8 _ n' Q2 c3 C
- LDX Loop_Index_J
* c4 p; a8 F' E% I: {5 q - INX ;j++
$ ~" o6 h/ G, D% E - CPX Enemy_Index_End3 c* w# h' t5 \9 R& Y
- BEQ Bullet_Track_Enemy_Check
2 m+ {: P5 \6 B+ e6 w; P! Y - BCC Bullet_Track_Enemy_Check
Z* F- b( h3 ], l( c0 U7 `1 l - Bullet_Track_Enemy_End:
8 k8 w* J% H- C& ?5 |6 x0 J - RTS8 O$ |* H3 e& G4 l9 a# Q
- @! {: S$ C0 D
- Track_Enemy:; |4 h0 Q( o$ m( E8 G" [2 n0 z
- LDX #$0F, h, O& [- ~2 a% K7 t1 g
- Track_Enemy_Begin:% C3 M% X; g% W# w
- LDA Bullet_Icon,X
" C, j h% ]7 v! S# A H - BEQ Track_Enemy_Continue
7 T% T- X0 w. c2 Z - LDA Bullet_State,X1 M2 e6 [* c' S4 G
- CMP #$01
& u9 i! M/ P- ]6 f; k - BNE Track_Enemy_Continue2 O/ N. i2 ]! A* }
-
/ z" {- N& G, d0 N! Q3 d* d M0 m( g - JSR Track_Enemy_Process
& i C" Y2 h; M+ E - ' _; e$ q& @% s' `1 o
- Track_Enemy_Continue:
) m& _: _3 x! i3 y/ |- z0 m C( I - DEX( x& c+ y9 M+ r2 C
- BPL Track_Enemy_Begin
1 N; O9 h5 d% |8 [% H8 z - RTS, @+ l. D0 J( }! D# G" L6 Y
/ F; Q4 i4 b/ k h' @, @- ;普通关卡$ Q# F3 M9 H* E' `- Z, H: w7 o
- Track_Enemy_Process:" X1 `; J! o6 t1 w0 {; |2 X1 s
- LDA Track_Enemy_Index,X3 o0 O9 G4 D1 |2 m7 p' V V' B
- CMP Enemy_Index
+ W3 C( v- X0 ?& y1 {+ \" q5 J - BNE Track_Enemy_End
9 w; i# b7 ], D1 \* Y# J$ W - LDY Enemy_Index
2 j6 x( b5 e5 g. `. z - JSR Track_Enemy_Y
0 ]2 r+ y& x( W+ e+ z - LDY Enemy_Index
: |6 g3 ~" f: |+ {1 ?1 |+ B - JSR Track_Enemy_X
5 p/ ~( R0 H" q. Y# z - Track_Enemy_End: ~' c2 P& [; y
- RTS
+ c: X Q6 Q+ W, f- b) _$ M2 |* P - , K; s6 l, k2 p B( q9 b. f
- Track_Enemy_Y:
9 c0 y' w- `- P+ i! K8 _ - SEC
) E6 z7 M# _# c. |1 `, A - LDA Bullet_Y_Pos,X
: E3 p' @0 H2 o6 L/ ~ - SBC Enemy_Y_Pos,Y
, U& t" ^" y) `0 {6 V4 I( ~ - BEQ Track_Enemy_Y_Equal8 G, _- v$ R$ g
- BCS Track_Enemy_Y_Greater4 f' ^8 a, C3 g/ {* B- M5 |
- 6 D& x0 R% D5 s4 f2 C
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
% ^$ Z2 m) p+ Y3 D - CMP #$FC% J, z5 H3 e/ G" K+ O- ^
- BCC L1_12 J! T. q5 A2 S1 d
- CMP #$FE
6 _: W J7 F# z2 _2 [8 p, a0 \ - BCC L1_22 g& T- y! L- u0 z' V
- LDA #$00' T" b; ~+ J) s6 D1 O9 _9 X
- STA Bullet_Y_Speed,X5 h& Z2 g+ u1 t' T' O
- RTS
% J1 A7 K# b# j0 {: p" s3 Z/ M - L1_1:
0 n4 `8 r3 i+ N( j0 h1 g& u; s2 D - LDA Bullet_Type,X4 P; {* [' p( _6 P) [7 b1 ?
- AND #$0F
* F: { w4 e5 o) X! N - TAY+ _1 ?9 o. k" h) |' e5 `
- LDA Bullet_Speed_Data,Y" X3 r) m/ D& K6 y* D- }+ ]3 j
- STA Bullet_Y_Speed,X
) w% m/ |: N# Z1 v* e6 M - RTS
- z. y- Z5 [5 k! U5 o
) |1 P# E2 j% Q) }1 U2 r- L1_2: 3 ^& f# w3 j6 r- T/ ~( J
- STA Data_buffer
/ q1 U, H8 D5 @: e! R3 g; o2 [ - LDA #$00* f. {# Z5 }2 q4 m
- STA Data_buffer8 b% \# V0 w" B+ B8 L% j" l
- LSR$ ~. _/ y- m [, h! O( C: K( o
- STA Bullet_Y_Speed,X* e7 L/ a! s8 L
- RTS
5 X X4 s. H& F. B _9 f
$ J# A8 e- U- e, d7 C& g' O# ~( d- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
3 W2 d" _! U e6 E5 e- H( t3 ^- y - CMP #$049 i' E9 d: r- g- I( I0 V( U% j; H
- BCS L2_1
' T3 D( F9 G* D+ i$ C- P3 j$ z# u - CMP #$045 ]) f1 d! _- r" y1 a% a# \: d
- BCS L2_2
) ?2 e: F% O; ]! E* ^4 C5 W - LDA #$00( a# p1 {0 C; A0 M" O4 L
- STA Bullet_Y_Speed,X' M9 P) m/ N4 Y+ n
- RTS
; v* l) [ B' h2 L, o - 0 ^9 V- `+ E$ O1 L/ N, \
- L2_1:" i+ C p. y# L$ D; o
- LDA Bullet_Type,X
1 a: n8 w- J; o1 i4 b - AND #$0F
/ `& L8 n- H+ g! Q3 z - TAY, f/ ^5 [% N. L$ W; p
- LDA #$002 U h: ?* n) S6 q( [
- SBC Bullet_Speed_Data,Y0 f7 k: D. W, e5 M* k2 g
- STA Bullet_Y_Speed,X5 Y) a3 N, f, Y( L3 B
- RTS( z/ U2 ~4 ` N8 Z. Q
- 2 S) c2 P' u0 N* b3 m
- L2_2:
- r# t. }# j9 A8 |9 \ - LSR
, i7 j; [' j; S) T/ h4 S8 ~# g. b - STA Data_buffer
. C" F4 d% u) G( P& r$ b: K - LDA #$005 H2 @. J/ B' m4 E9 j: V4 {
- SBC Data_buffer
4 j- v! c0 W9 N: O0 r9 ] - STA Bullet_Y_Speed,X4 x( U1 b+ Q( T5 Z" D$ Z" H7 c3 @
- RTS# G. b, I5 v) K5 P2 s
-
; N" h" }9 y B8 J% R6 t - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 L" L4 w3 S/ Y5 h6 o& Y' K
- LDA #$00
0 J: }4 P2 E- Y - STA Bullet_Y_Speed,X
' @5 J/ ^9 W; n' z0 [* F - RTS
' \' F" M- c) |2 q& X" {, e6 d6 b, _ -
* X8 v8 V8 |4 L8 w- M5 |( K - Track_Enemy_X:/ i' z) ?( c* f2 C- U$ }
- SEC0 z; V1 ` F( p; @6 n9 N }
- LDA Bullet_X_Pos,X
" L% G7 \6 h% |6 q# p3 h - SBC Enemy_X_Pos,Y" H I. ^# J8 e ]
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X5 z. H3 F) m$ c
- BCS Track_Enemy_X_Greater ;子弹在敌人下方" e$ | r! ~' A" r# B( t* a
-
F5 B! ?! f. h' i4 H- T$ H - Track_Enemy_X_Less: ;子弹X < 敌人X! K+ Q+ l; e1 J P1 R, ~
- CMP #$FC. ]0 |$ h" J& x1 \$ G7 a3 Q+ }( k2 x
- BCC L3_1+ f' Q7 i6 _ @' D; g: \
- CMP #$FE
1 Z& Z( V/ Z& J. s6 q& ] - BCC L3_27 Z, ^* ?0 Z3 e4 @
- LDA #$00
$ j I3 j2 p% o: p7 P, ]$ W+ W8 O' T - STA Bullet_X_Speed,X0 v7 ~1 |5 v3 w% @$ V7 K
- RTS
$ }5 z5 I/ J5 J - L3_1:
$ E1 t6 B7 X" }9 I& H' l9 o# S - LDA Bullet_Type,X' m8 z- S; D0 w) M
- AND #$0F, H$ j3 j: [3 V/ x. `
- TAY
% I8 f3 y" t2 p% W: L- r f6 U" m - LDA Bullet_Speed_Data,Y
$ y8 f: R/ r: P: P3 d - STA Bullet_X_Speed,X
2 P3 H4 \# U% r. m6 z5 l/ m - RTS0 f/ ^$ @" E; q+ h& ^+ M
- L3_2:
# [: G# G5 G- b) q! c! Q, U - STA Data_buffer
& ? z! h# j# k4 ` P& H - LDA #$004 b9 @( t2 P, |+ `, e( M K
- STA Data_buffer; C J2 i+ |3 {( h1 I1 _
- LSR1 Q1 ?0 O( Z/ r: O2 n& _
- STA Bullet_X_Speed,X3 g: ]" f$ E2 C B
- RTS
& t$ t& Z6 F" L6 i3 I; ^* H -
( A- P0 O# ~' F1 E& s( h - Track_Enemy_X_Greater: ;子弹X > 敌人X
: c' v4 _( c; T - CMP #$04
) Q* X: Y4 L% G+ `4 ? - BCS L4_1: m; h0 ^5 x9 E' r
- CMP #$02
% _* N9 m2 k$ q" h7 F. i - BCS L4_2
5 @* u* u6 m4 K3 Y" s7 G% | - LDA #$00
+ ~4 s; e1 L3 f! n5 l% S - STA Bullet_X_Speed,X2 z9 ]" |) A! S
- RTS
4 y+ ?4 }! b$ q8 ~ - ! @' j; t% d. E* y( z. q
- L4_1:
" Z7 q' ]! J0 c' l% d$ U& g1 ] - LDA Bullet_Type,X
, G$ R8 ?, C- @4 E* K* z - AND #$0F
' |& l8 C' |. l - TAY
/ |6 e) D7 _& }# L3 V - LDA #$00
5 H7 ~& z9 P* }" O+ {! e' q$ l - SBC Bullet_Speed_Data,Y
# w! O4 B0 b% d6 b. @. I( j - STA Bullet_X_Speed,X0 n0 i. k$ J* h' p$ m+ \3 P
- RTS# O$ c/ i- k2 ~$ M
- L4_2: * q5 G, V" M7 x3 w
- LSR" E! E4 N% ~% e5 U' n( }
- STA Data_buffer
' \/ B$ j% E4 W! z& P2 a - LDA #$00
5 u/ g* I( w! z# ^, M6 |& W - SBC Data_buffer
' @) Q, J) f/ R2 y+ i - STA Bullet_X_Speed,X2 \" ]) M. v: Q3 h# k! s: X
- RTS6 t' O ~- `8 ^4 \9 G
- 3 `8 M) _! k0 d" S$ i, ?$ V
- Track_Enemy_X_Equal: ;子弹X == 敌人X9 y1 B9 ^" ]2 w8 Y9 [
- LDA #$00
9 G8 \4 n3 e! L* O% v* d3 i - STA Bullet_X_Speed,X
0 H! a; h' t" |7 ~ - RTS
* w( p! h/ m& ^* P' B5 x. v* I -
8 l' e) a, b8 Q+ v- v' H) S - Bullet_Speed_Data:5 Q" g1 s* {4 y$ U1 u8 O3 r8 b
- .DB $00,$03,$03,$02,$03,$031 V. T- `; A/ u+ [9 ^
-
( `! V% J+ n D' W p B# P' Y; C - ;2, 4关8 s* _% z4 t* C" |
- Track_Enemy_Ex:; n3 f7 f+ W8 a2 O4 N
- LDX #$0F/ j# {6 Z _5 L( y* r) V) h
- Track_Enemy_Ex_Begin:) g2 a& y: t" Z7 Y4 d% }' f
p3 O% w+ n3 q3 I( s) B# X- LDA Bullet_State,X4 \% m H: f% K! s1 Q. c
- CMP #$01( C9 r/ U6 i# L. R* B
- BNE Track_Enemy_Ex_Continue
3 E. u& h& B$ U5 ` - 6 G: [4 ? e& W, L3 [: `
- LDA Track_Enemy_Index,X
" z1 b0 p5 I% a" Y7 {. U2 r& A9 G - CMP Enemy_Index& L/ s2 C' v( X2 a
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
, P3 k& J0 o' s: R j -
6 t/ d3 T9 o) A; g - LDY Enemy_Index
- i: G* h) ?3 z/ e9 R - JSR Track_Enemy_Ex_X
8 p3 B w+ S/ W7 t4 J - ' f- `) g8 s# j; r7 A! r
- Track_Enemy_Ex_Continue:' L0 l( Q! R7 T) M. K
- DEX
, ~$ q1 W) }! f s: \" o! B - BPL Track_Enemy_Ex_Begin& z+ f9 z+ C& o V- Q# M# C; K
- Track_Enemy_Ex_End:3 T- S) N$ Q+ [7 g' l5 A( c4 F
- RTS
3 l& N! o2 h7 e: J6 j/ M; e! O - 6 i: Q3 N% t y' E8 f# C8 \
- Track_Enemy_Ex_X:7 k/ x- ]/ \8 K- C& v+ j7 W
- ;LDA Bullet_Z_Pos,X% C; O) h9 r6 o3 V8 R, Z& R( K3 A
- ;CMP #$04
. C, U5 X$ l+ f) [. u - ;BCC Track_Enemy_Ex_X_End
- A6 B: y0 ~& ]: O - SEC" o& g! a7 ]% r1 S
- LDA Bullet_X_Pos,X3 a/ Z! r Y2 C/ a2 a' x8 B7 Q" i
- SBC Enemy_X_Pos,Y
; G. p( {; ^3 b J% P H4 I1 Z - BCS Track_Enemy_Ex_X_Greater$ N5 r" i# N9 b/ {) G
- 5 s7 C4 `1 c# y, d7 H4 R W
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
8 N" T& i' {% j* A# J - CMP #$FD
5 c; c* }( s% j - BCS Track_Enemy_Ex_X_Less_End
9 [0 U% c( A8 w, k* k0 u - LDA $6020,X
. h2 P8 Y* K6 b0 N5 v - CMP #$2A% o$ s2 C: z3 \- `5 \% y
- BEQ Track_Enemy_Ex_X_Less_L1: L: m) n( Z/ L: u! W: U' X) d4 t; t
- LDA Bullet_Z_Pos,X
6 O1 n4 C b5 V+ @ - LSR: d6 w- w: g( t" f/ C$ R
- TAY7 a, X) {# R% E3 v3 j3 h4 q& v
- LDA Bullet_Speed_Data_Ex_R,Y
# ~1 ~# `. Z2 Y% X - STA Bullet_X_Speed,X) R) J9 p3 I+ i
- RTS
8 ^$ I% S0 d% J* Z0 U8 C - Track_Enemy_Ex_X_Less_L1:
8 g% _: H) i$ N+ X% _4 i$ K4 V - ; w; V3 q. R2 V& N* e6 @
- LDA Bullet_Z_Pos,X
& t/ P$ ?) v; e1 l - LSR: L/ n- F% d, Z6 m/ y* L
- LSR6 I: [% j @2 G7 {5 M/ f
- TAY
, ?) j, w" U/ b" P. z" h+ J1 } - LDA Bullet_Speed_Data_Ex,Y/ F& P2 j* P/ s4 V
- STA Bullet_X_Speed,X
0 X& \; _$ V/ B - RTS
* m* E" j; L5 k' C; l5 y5 r -
) _9 y' d/ s# \/ S - Track_Enemy_Ex_X_Less_End:
, e Z" X3 C& g - RTS
7 }/ }6 Y! [6 F8 H) Q0 W3 \6 a. f
- U+ Z: T2 q/ j; k! ]- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
: t# Z" a& a9 v8 o& `- Q9 c - CMP #$031 `( X! O" s! p1 |) j E4 w7 [% E" A
- BCC Track_Enemy_Ex_X_End
9 U; C$ p3 B& {7 c( |% I - LDA $6020,X
' ?& f0 h# J' i - CMP #$2A! R4 F! F- K! z/ x6 I- D2 U, y
- BEQ Track_Enemy_Ex_X_Greater_L1# `8 u+ m' S: Y% s- }; [0 Y; H
- LDA Bullet_Z_Pos,X- J! ]/ G; G, m. X
- LSR
' Z: Y: g7 B ^ - TAY& X8 N3 n' ^7 d1 \/ _
- LDA #$002 A0 o3 Z% f# {. T
- SEC
9 ~' r6 {1 S3 K - SBC Bullet_Speed_Data_Ex_R,Y" C1 @4 ?3 b1 A% [1 b' Q0 O
- STA Bullet_X_Speed,X
, {/ Y+ u* R# o8 w) W* |: ~* i9 s - RTS
3 Q% J5 U! A6 Q! @8 K* C. ? -
) _, T* G* D9 D' l! {& ]% M - Track_Enemy_Ex_X_Greater_L1# G- T3 S$ |/ P7 e& R) z2 n
- LDA Bullet_Z_Pos,X
/ I! ]' L, |& @% J7 I - LSR
, w3 \7 x5 n4 t0 L' ^ - LSR
) j8 v* d3 |7 E( H' ~ - TAY
' P; H5 [4 _2 D% b4 j' x; h% o3 V3 u4 g+ f - LDA #$00, @( M+ |0 P& o$ G! {2 }: P
- SEC
- b3 t4 w, B' J+ c2 t - SBC Bullet_Speed_Data_Ex,Y0 ]1 a T- f! V6 ?+ p- c; T- P
- STA Bullet_X_Speed,X
5 R U8 u; V7 f0 G S - RTS
! [9 C0 Y+ c& t - / F, t0 S. C+ L( q0 p
- Track_Enemy_Ex_X_End:
! G H% E$ M) u8 D7 X2 b8 s- }) s - RTS
) V; p) j) X4 [4 w3 Z - ; S. w$ K4 }3 W 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)8 `9 l5 f9 u3 U, t5 F
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上: e, v2 Y, D: N- m7 a5 @
- Bullet_Tract_Direction:7 a' ~. `" I* o3 w* o
- LDA Bullet_Icon,X
% x% h7 R( O$ t! }9 w0 [6 ` W - CMP #$23
. ]* `4 N: q5 {% }+ s - BCC Bullet_Tract_Direction_End" }: r8 |9 ]& P4 L) c% \# p" |2 Y* c
-
' ` H3 I9 r, l6 D# `" l - ; X != 0
; ~3 u; Y: _. w' S9 D - LDA Bullet_X_Speed,X c$ C. |$ ]; B5 @
- BEQ Bullet_Direction_V7 U: r0 j3 U( U9 @! ]
-
8 n `7 ~7 d7 r' y - LDA Bullet_Y_Speed,X
2 Q& Y% N" ]+ M2 \9 ]# l8 W - BEQ Bullet_Direction_H
7 k e# f$ H4 o6 l -
% U" P" a1 E( j7 c J$ I) b - LDA Bullet_X_Speed,X0 a) {* }5 @! E- z7 E
- BPL Bullet_Tract_Direction_Right
u) J$ }0 [, n7 { \ - Bullet_Tract_Direction_Left:
0 n9 S: P* ~- g/ p; J( G - LDA Bullet_Y_Speed,X
. h9 W9 B X4 [+ a' v# {% B - BMI Bullet_Direction_Left_Top! t7 @1 i2 w: F& B* o7 y4 _& {
- BPL Bullet_Direction_Left_Down: Q% M4 d I" f
- Bullet_Tract_Direction_Right:
# H' w; A! a6 q' T - LDA Bullet_Y_Speed,X2 x! v. @5 T, q$ H* I) x
- BMI Bullet_Direction_Right_Top
, m! X9 r. m- @3 V! b: l - BPL Bullet_Direction_Right_Down
2 S5 ~: h+ ~" P+ u - Bullet_Tract_Direction_End:
! ^4 L1 w* p- R% E8 J - RTS
6 j, u/ Z( \, i, E0 Y/ m; \) t' c
# ^" x7 z2 ]8 @# `; s! s* l- Bullet_Direction_Left_Top:1 ~( u4 ~1 ~% w6 J
- LDA #$25
8 a1 I8 ^8 b: O$ K# M - STA Bullet_Icon,X
$ e" T6 j* A! J+ f& W" V6 e - LDA #$C0! @/ W- ^' X0 I5 E
- STA Bullet_Direction,X& D G& ?9 {: N/ }3 E( D) p
- RTS
7 [ o$ P$ D8 f% l - - s; d- B- L3 c2 N% ?
- Bullet_Direction_Left_Down:
6 y& ?/ Y, X6 w, \4 S - LDA #$25
# U! D9 |7 y# V$ J - STA Bullet_Icon,X
( r9 | y* @" ?8 v7 C% \/ h - LDA #$40
" o& B( H+ S( t. \$ B" T. W - STA Bullet_Direction,X! L( u5 s3 |+ c" n! v
- RTS7 d' T# G+ ~# y! K& J
$ m8 P! \& B. k1 S+ T/ S- Bullet_Direction_Right_Top:
: D$ t% X+ U' v% `: n$ ]* l" V' H - LDA #$25/ T! t. V. Q% x. v- M
- STA Bullet_Icon,X/ f( }: v& @ |- r: V0 o0 _1 p
- LDA #$80
, k" ]. k/ i/ H - STA Bullet_Direction,X
! m: b' g; ?& f0 U( x6 b# G5 _ - RTS2 Z. K9 E8 A$ U9 L
6 c0 S! g' N9 y1 v$ p+ K6 K- Bullet_Direction_Right_Down:
; O8 Z2 l' I0 L6 F7 B" F, W - LDA #$25
2 ^0 c2 l9 f/ k; g* {! ? - STA Bullet_Icon,X
, B- r6 w0 G3 o" c! B - LDA #$00
( |- \% X, s% e% h- s+ L' n( m - STA Bullet_Direction,X3 w# e6 r1 O1 d3 [% `9 r6 x, L8 {
- RTS
# H7 f$ w2 K2 S1 w( K& }: N - . C/ M# { q8 U H+ M2 ]/ D
- Bullet_Direction_H:4 s9 q0 ]3 u1 ?' p% |
- LDA #$24
( ]+ y3 P' Q' n# N+ ]7 H7 `6 d - STA Bullet_Icon,X
- z7 ~; W" d: d1 F0 H - LDA #$00
S+ ^1 E' q9 V5 \4 f* x; i4 J* Y6 u - STA Bullet_Direction,X, j/ p$ \- u* O
- RTS
1 H N" t/ [5 c3 s9 Z - & | n/ e9 w2 f# D/ z
- Bullet_Direction_V:
2 R0 u2 K4 O1 E+ }0 ~2 \/ r1 q# l& q - LDA #$23
" k; o3 Q8 H$ h3 i7 j/ M( z7 e - STA Bullet_Icon,X
+ K$ H9 u$ r8 ]; {9 \% s - LDA #$00
! z9 [$ L8 V' E: d, z - STA Bullet_Direction,X
' X; ^, i6 r- N2 j" h% Q - RTS
0 s' R1 y# p. P0 @9 p H) }3 X
W& x9 Q* M& N. s7 s# }- |- Bullet_Speed_Data_Ex:
. }! E! r: b m4 e6 V; r - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
8 h- \8 h+ A: F% M' d - 1 s7 n. }; c: m2 k
- Bullet_Speed_Data_Ex_R:
) _) B# Z, V1 {/ @* C& Q8 p - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
& H8 g- W% W2 e! x: P9 r* { -
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' Z% s, C ]. d$ h0 n3 U4 w) M' G# k/ [$ `( S7 d4 F" R3 b
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