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[FC][魂斗罗][J][追踪弹]' l; Z8 k; J9 A4 E
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时间:2023.04.302 e+ ~+ B! `6 Z. t4 g! \) i' @2 k
作者:FlameCyclone& B/ Y& k* J) F1 \; a N+ U
内容:
' H! P7 U" p( r8 Q. Y% T- J5 l% m 1. 所有子弹追踪敌人% d$ G! i9 K' E8 U( Q% c
2. 选择键切换武器' I& Q: e- a: P x0 B G) ~
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( N% ~+ j9 N- p* ?flamecyclone.ys168.com
1 o1 E1 k7 Y2 M9 x6 m' l. N. R( T ) Q; [% ~9 |# `$ i" `, E' N
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁" |0 X A& _9 R# s3 N+ E& Z
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L4 P8 W! S/ }; s2 I8 _$ ^
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下); O! D: S$ L' [9 Y! [5 A
3 {1 T) {. N! t6 ^ f- }1 w- ;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)( ^* Q0 T1 K7 e, o6 m5 v
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
1 [: J0 ^. h3 W5 G" M
Q* K) y) w5 K% R( z q- Track_Enemy_Index = $6000
+ I, V( Z* f5 {% k$ b8 S - Enemy_Index_Begin = $60102 |; L6 M6 e* H& g# T
- Enemy_Index_End = $6011% t; A0 |4 Z) X; \4 y
" X* x) z4 I4 d5 j. ~- Loop_Index_I = $6012
5 e# S' b0 Y; S- V - Loop_Index_J = $6013
( N7 `' `0 ]* U3 q0 i' H* w$ O - nEnemyIndex = $6014
( |9 r. I5 N# X9 r; X) y+ U - Data_buffer = $6015& q X) w3 g1 b t) o
- : t/ q1 [7 ?4 e! Q; G' `
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
, A5 i' f4 _6 c( _ - Bullet_X_Pos = $03C8 ;子弹水平坐标
/ k4 D/ L6 L/ P1 }6 ? - Bullet_Y_Speed = $03F8 ;子弹垂直速度
V; G& h8 ^7 [4 M - Bullet_X_Speed = $0408 ;子弹水平速度- C) G, c+ @/ U) j3 w
- Bullet_Z_Pos = $0418 ;子弹Z坐标
4 }- i) q5 K i! b; T; K! c4 O - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
% Q2 \! B0 E4 y6 _+ f
u) }9 O4 u. R. v1 { v# X- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸% m$ v8 O) q5 l! B: ~, n7 H- A
- Enemy_Blood = $0598 ;敌人血量
9 K v: _3 Z( h' ^, f - Enemy_Type_Addr = $0528 ;敌人类型
. I/ x. t" m6 J5 r - Enemy_Blood_Addr = $0578 ;敌人血量& a! x9 U% s( o- @, m6 o. D
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
# v, ^ @7 p( | - Enemy_X_Pos = $033E ;敌人水平坐标- B8 J% L, F$ s+ h
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
' H5 T5 Z4 R: {4 X" M, c( i& h - 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
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- Enemy_Index = $83 ;
- d/ W8 x+ y! d2 j0 p - Time_Count = $1A7 c+ |( `4 V. A. W
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率; t/ _# c# a$ J+ a' n, w' H
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率6 |5 t2 X1 r' n: \
- 5 L ~! f4 v, c, n7 v
- % b7 I4 B/ c, ~; `. h" r3 m' F
- .ORG $6100
! T( {2 k3 I# \ - Process_Begin:
6 m& o# L0 a' F% O$ v - JSR Enemy_Check, T! w& \# H: |
- JSR Track_Enemy_Check
6 m8 R" |/ l K2 X! y% r - Process_End:
G) I6 y; U3 B# `9 ?9 d4 d - JMP $E54F
4 F4 t+ \# Q9 p( b: q! F) ? - 8 f/ A+ Q1 D7 `2 m" h6 H* L9 D
- Enemy_Check:
; h" M# a( r! V6 H/ o5 X - LDA Time_Count8 } A2 k6 g- h1 r3 B7 d. e4 j7 i4 S
- AND #Track_Bullet_Speed
# c$ A: L6 w4 M, }3 m) w - CMP #Track_Bullet_Speed5 s: }; z5 c$ l! s: }# @ e q/ [ k
- BNE Enemy_Check_End
& D+ p& N2 F6 V+ ]' K! F% S" N" I - LDX #$0F0 O2 H1 k/ @6 y6 h; L. ]: D9 c) p) s
- Enemy_Check_Begin:
7 L" [; R) C5 d o - LDA Enemy_State,X3 e' m4 I: d% M+ a1 W( [; e
- BEQ Enemy_Check_Continue& R$ ^4 N# m8 r0 ^! c* }% M
- STX Enemy_Index
, c$ \: m1 e: G$ @& V3 a( D: _ - JSR Find_Begin_Enemy# Q! `0 X2 J* B+ i# t9 Y) U
- JSR Find_End_Enemy
3 H, `) u2 Y" N5 P' r - JSR Bullet_Track
% I6 @/ q% ^; L* \ N -
- ^: @: o1 D% w - LDX Enemy_Index
( m+ r" Y( V$ j - Enemy_Check_Continue:- `% |) W- s: D
- DEX
5 K+ L/ C/ n; |& h) t) W# y - BPL Enemy_Check_Begin+ B9 p2 w. r5 a q
- Enemy_Check_End:
5 i. z# H% W8 f6 j+ \ - RTS' f& l) Z8 \! P5 I# L- t! w
-
" h7 w" y7 E7 [. N2 D. g - Track_Enemy_Check:" M- D; ?" Q$ u" n% `5 s8 p
- LDA Time_Count8 N, G$ r) Z% g3 K3 D4 X" q
- AND #Track_Enemy_Speed
2 v) M9 I' E' T0 Z! a! z, f - CMP #Track_Enemy_Speed
& X5 T4 g9 Z: P* I) Z. N - BNE Track_Enemy_Check_End
$ Y9 M$ C s6 \+ U3 r" x# n L - LDX #$0F# ?5 U, {/ l& A- a; [4 j# s
- Track_Enemy_Check_Begin:
) V& n3 T" o5 i5 O6 z6 D - LDA Enemy_State,X: ^) T. r* ~: V1 y; ]& B: y$ G
- BEQ Track_Enemy_Check_Continue
$ v2 T: |6 f# c# F4 F) h+ E! h# E: _ - STX Enemy_Index
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- LDA $40
1 N& ~# z# |: s5 {' T - LSR
% ^$ Z g0 i6 u - BCC Track_Enemy_Check_Begin_L1" N, e- n% V( }8 D( L" X2 O4 m
- 5 b6 q; N u3 M; x7 E. l/ ^$ c% x
- JSR Track_Enemy_Ex ;2, 4
8 i) O; }% [1 m( }8 O7 m0 M - LDA #$00
0 S6 J7 c5 w1 K - BEQ Track_Enemy_Check_Begin_L2
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1 X; n0 I) |: ]& i - Track_Enemy_Check_Begin_L1:. U0 M$ L8 s% _( W# ^
-
; x: c' S; R/ i3 b - JSR Track_Enemy
% I0 m3 N: u. G
% a6 U3 M s, n7 \: O( A2 K- Track_Enemy_Check_Begin_L2:
. z6 ?, N" U$ K4 j3 \ - K2 S2 o4 I' O
- LDX Enemy_Index( I8 `2 r }. i( X8 J( s
- Track_Enemy_Check_Continue:* J; m8 X( P; w9 R3 }* j
- DEX% E+ M* V0 q4 u+ W( l0 k2 u
- BPL Track_Enemy_Check_Begin8 Y/ h, G; g1 [, Y
- Track_Enemy_Check_End:
3 B0 ~, C" E/ f" F* S4 Y - RTS
2 h2 s4 Z0 P. S6 v3 O8 K - ( u# ^) w+ Z7 S3 A1 W
| |8 `; u' X3 R' m" z- s. E- ;查找第一个敌人
6 o- |* V& a# _& `# |0 a - Find_Begin_Enemy:; X Y4 D, e5 P. H5 w
- LDX #$00
* F1 a/ D' s6 L" |( |8 x' W0 y' b - Find_Begin_Enemy_Check:
& ]# H# c& y2 Y1 s - LDA Enemy_State,X
) f2 x! O, A# j1 {$ A o/ n- ]1 e - BEQ Find_Begin_Enemy_Check_Continue" w G5 x. y4 w$ B
- LDA Enemy_Blood,X
3 J+ n: H& f2 [, B - BMI Find_Begin_Enemy_Check_Continue, a# p3 O) i0 t% J
- BNE Find_Begin_Enemy_End
. \9 P! k N# c% k1 C - 9 w; _! ?$ y2 W* E) v5 X
- Find_Begin_Enemy_Check_Continue:
; O! r0 m- b7 S+ N5 D9 @$ p+ S - INX5 F' E* S* b6 @/ Z. M. h9 ~
- CPX #$10
) y0 T5 d) z- s0 h( I7 u: f1 @# ~ - BCC Find_Begin_Enemy_Check
& t) J% e: h1 J; l* D% K - Find_Begin_Enemy_End:
1 O6 i7 F6 c. X+ ?6 b' E; w% ` - STX Enemy_Index_Begin9 i9 V- }0 e3 Z- @$ [
- RTS
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- ;查找最后一个敌人, }0 @$ G6 G1 S$ E- e
- Find_End_Enemy:4 U: e: F5 s2 y# x0 F% m' l
- LDX #$0F
- h0 [" ` H3 S, d. g' Z - Find_End_Enemy_Check:
% i3 S g. [8 N# u4 C, E1 G) g - LDA Enemy_State,X/ p1 G+ I( T) }+ N* M! } C
- BEQ Find_End_Enemy_Check_Continue5 C) n% \% t/ p0 Q( f$ Q+ k/ C
- LDA Enemy_Blood,X
% A3 Q4 H* T( E5 n - BMI Find_End_Enemy_Check_Continue
: w$ u0 j% @5 O) a; z3 A7 k - BNE Find_End_Enemy_End
/ v! f+ ~- T5 h -
M2 _ T6 x1 W" u. L$ a3 H - Find_End_Enemy_Check_Continue:, k; I' v2 c8 g' R0 u4 o
- DEX7 k% g! r9 X! \
- BPL Find_End_Enemy_Check5 v& O+ e3 R! {3 k
- Find_End_Enemy_End:( X5 A+ r+ a4 M; ~/ z) G: g0 z* u1 j
- STX Enemy_Index_End8 i+ {! F, @; ^$ J- Y
- RTS
I. z/ Q2 B: N; m$ y
" ?* H( O( e l k- ;子弹追踪
+ h8 W# u4 X! i - Bullet_Track:- v5 H5 e5 \) c- {- B
- LDA Enemy_Index_Begin. p' V' [! y4 S, ]7 r: h
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin; {9 {! @* R8 Q3 n4 K9 N( `- d, {9 Y
- LDX #$00 ; v; F: y3 e9 |% C
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)" K2 x9 k. @, @0 ]& d6 S y
- LDA Bullet_State,X7 S8 T0 X+ u4 I$ o
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;# U$ ?7 P0 {+ P; L: M6 C& g4 \
- STX Loop_Index_I
7 v8 _, _' \* @$ l2 u0 v -
9 s& ?. m" W2 } - JSR Bullet_Track_Enemy
, ]; ~% G; V8 q/ z* s7 j7 s - JSR Bullet_Tract_Direction
6 S$ B' ~' j' S4 o -
3 Z6 u, h3 j/ n* U5 P% s - ;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 g9 K7 {* M5 m: P1 Y4 x - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;7 H2 g7 m& G6 w* g$ @: w4 G
- LDA nEnemyIndex4 N8 U! w5 C4 M5 ~6 @
- CMP Enemy_Index_End, k' ^3 T/ d+ @7 W, ]
- BEQ Bullet_Track_Check_Continue9 ?5 F2 Q7 Q- m1 N* f2 y& u' X8 `
- BCC Bullet_Track_Check_Continue
5 t; G- F9 n- w- | - LDA Enemy_Index_Begin& v3 K- V8 B3 v
- STA nEnemyIndex, j+ m+ [: s& Z- {
-
( f) e5 e9 a) W4 b. F1 ~! i$ p - Bullet_Track_Check_Continue:
- l) y) c- C* F: M, v - LDX Loop_Index_I
# ~* T; n4 k. Z6 ` - Bullet_Track_Check_End:
, X% | f, a3 { - INX
! C- s+ i+ L! |( \, O3 R - CPX #$10
c' ]$ n$ x1 ^3 M+ U - BCC Bullet_Track_Check
$ E0 `4 x; ]4 G- ` - Bullet_Track_End:0 i: i; j$ A; ]3 y8 R
- RTS* P+ D" A1 O n1 W: p! [6 B4 k; m- A
-
' y$ }/ I! J, R6 o6 Y4 [+ T - ;给敌人分配子弹; ?6 d% @+ Q* Y/ F
- Bullet_Track_Enemy:5 e/ G5 m) |$ I3 T! o
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
. j/ r7 B9 i* f8 u2 d0 N5 U - Bullet_Track_Enemy_Check:
O" {9 U8 p* z' s, s( h - STX Loop_Index_J3 k8 g# D# B5 L- G
-
5 Y) H: y6 `1 u - ;if (0 != nEnemy[j] && -1 == nTrack[i])" z4 F. b& Y* x6 P8 ]9 U' ?
- LDA Enemy_State,X
P% |* B1 Z+ o; E - BEQ Bullet_Track_Enemy_Check_Continue: a2 P: Q: I F l; G3 y4 n
- LDA Enemy_Blood,X
- L, j0 X: ]- {4 M- W - BMI Bullet_Track_Enemy_Check_Continue
6 [ w( L( }5 v -
, l6 H. E3 O4 ~# e2 }, m" G - LDX Loop_Index_I) Y9 r9 H9 u( ^2 t
- LDA Track_Enemy_Index,X& b4 | S* H. M- R) \' a4 K
- CMP #$FF
3 N. L, \& p, g6 X* z - BEQ Bullet_Track_Enemy_Init
8 Z* l) _$ v( A! S$ j$ D' Y) [3 A8 g - * u; ]. |1 b; C# `) U6 _
- Bullet_Track_Enemy_Init:
- M+ w, b, ~: M* ]' b$ I - LDA Loop_Index_J- z3 f( m$ i- ^
- STA Track_Enemy_Index,X ;nTrack[i] = j;
* ~8 K- p; v* Z- @% k! L - 9 Y% p4 M/ r' J/ x2 F7 Z0 J
- STA nEnemyIndex
) s4 T% F' e! S0 q - INC nEnemyIndex ;nEnemyIndex = j + 1;- q8 p: I- i: ~4 X& g' a; m" C
- RTS ;break;8 c0 ~% _+ k. H ]3 @' S: l0 S
- 1 R$ v& k- b+ n( T1 x
- Bullet_Track_Enemy_Check_Continue:
1 P8 l' v2 L t% i3 Y* l. y - LDX Loop_Index_J, v. {1 S0 D, p
- INX ;j++. r+ [! g$ a+ t' R5 u
- CPX Enemy_Index_End
6 A1 M' H2 `9 r/ I d6 k4 d$ k - BEQ Bullet_Track_Enemy_Check+ {7 O! e- {8 d3 E
- BCC Bullet_Track_Enemy_Check
9 g0 v2 u% a9 A* W9 { - Bullet_Track_Enemy_End:3 u q% r+ w4 D" \
- RTS* e g; i& W' ^5 }( ^$ u6 {( a
- & A+ r) r* q+ n% I% r/ S- m
- Track_Enemy:
6 ]) X# O; R4 k# z" z# G0 `- s K - LDX #$0F
0 k( D% a# i0 i _8 {2 _" u - Track_Enemy_Begin:
$ C6 K) H% ^) _2 c4 o - LDA Bullet_Icon,X6 c, d0 ^- H" p& J, x' }) z9 K
- BEQ Track_Enemy_Continue
/ [8 E# z5 P( m8 Z3 g( I - LDA Bullet_State,X" t j6 m6 u6 L2 M/ `+ m6 t9 J
- CMP #$01, I0 D, |7 p& b2 E, I
- BNE Track_Enemy_Continue8 B4 |0 z4 c9 X& j) k' R
-
; k, a6 A6 A R" y" y: Z0 g - JSR Track_Enemy_Process* x' @- M b+ }. L: B: l# Z5 A* |
- 8 n% z- e) w' u# d% V
- Track_Enemy_Continue:
1 N2 z: C- e+ m/ [8 q5 X* [8 D - DEX# s8 D @6 V: K. v' ?1 ]8 N
- BPL Track_Enemy_Begin3 L; N0 I- q1 F0 Q; M
- RTS! h; }/ q2 D% o3 K# Y
- ; l, u+ F }+ A) B* s
- ;普通关卡) y1 \( F: ]- I+ y) D$ S
- Track_Enemy_Process:# R) `- V' {: k& _1 b; I) h; S
- LDA Track_Enemy_Index,X! n2 e1 O0 b. `
- CMP Enemy_Index5 c* t/ E1 X* m& }. k$ {% N& F# O
- BNE Track_Enemy_End
, Y+ \9 y! h! @# N F) S - LDY Enemy_Index5 x* N5 e9 r6 [# C! N8 J4 d
- JSR Track_Enemy_Y) C' m- V& P3 h/ n% o0 n% V/ w8 t8 {
- LDY Enemy_Index- g& ~. u) |0 g- c! G( Z- y! K
- JSR Track_Enemy_X
f/ p. y2 T' f" u1 B - Track_Enemy_End:
D5 ]; M8 S4 z+ C7 Y6 x, I+ E - RTS
+ [; w2 o( S0 I0 q; C0 O L -
4 ^' Z% q8 `5 _, K5 f! `: `6 u - Track_Enemy_Y:
: z5 M- M$ k6 D, k - SEC
* E: f& q$ c; u D - LDA Bullet_Y_Pos,X
) @# | Z w: D - SBC Enemy_Y_Pos,Y
1 x; V j" f" \1 E3 m9 U - BEQ Track_Enemy_Y_Equal+ e/ Y S. j- d3 S1 O4 [
- BCS Track_Enemy_Y_Greater
+ U7 M' n% c3 W( T7 z, R* ~' {6 C3 d& k -
5 n' H ]3 q" t1 b; B0 E# @+ ] - Track_Enemy_Y_Less: ;子弹Y < 敌人Y- ^& ~! i/ k* L6 |7 i
- CMP #$FC
! U: R) G; E& C, K9 y& ^ - BCC L1_1! R P% u2 L$ ~
- CMP #$FE
) S9 K @3 d! N7 L6 V - BCC L1_28 C( ^$ W+ N; f
- LDA #$00
# x9 I1 ]. v. j' d" {* O: G9 f - STA Bullet_Y_Speed,X
4 g# U1 p8 S4 _$ D8 v3 r$ o, w - RTS# D3 q4 H, A. d* |/ C- p: E {8 W0 `, u5 r
- L1_1:
. Q& x* E. f: V2 j r6 r* } - LDA Bullet_Type,X
+ `9 V. N# j r+ L f8 c/ ` - AND #$0F
7 e0 W% \# o& ^" i6 y - TAY, c# _: y4 L4 ]# K
- LDA Bullet_Speed_Data,Y# x$ Y2 r! g% U
- STA Bullet_Y_Speed,X
$ S' x0 s( K$ N6 T - RTS
' s# z! b* l5 o0 o+ I, k& S6 d/ y - - |& F$ t# a: h, m9 r
- L1_2:
) L6 F$ I4 I! E- }3 R& T m - STA Data_buffer# n* ]: h: O+ u- y: G) R- F) Z
- LDA #$007 c: B! Z+ ]0 r1 Q% n7 o2 p
- STA Data_buffer. k2 u. |2 l8 G) C9 s
- LSR0 W; q% L/ C; I3 q7 E2 k
- STA Bullet_Y_Speed,X
6 I7 ] m( G" u* J - RTS
! O5 J1 X- ]. D8 E1 ]
8 g+ B' O" W# T3 p- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
. @" x; k5 l* U, W. K1 A" }- [ - CMP #$04* o2 D& v& i% w) Y* x7 ]
- BCS L2_1: y+ X$ `5 R1 l7 d- @$ e9 b
- CMP #$04) g" Z. T* {# L
- BCS L2_2
, ~: h8 P3 K, q0 v/ z - LDA #$00
6 G: r( f* x0 C - STA Bullet_Y_Speed,X
3 C8 U* w3 ?0 S) T( d - RTS
1 i" k9 i: G( R: V( V! { - + y! G9 P% f- Y, U
- L2_1:
* v& p& Z$ }, {! x8 B9 _" @' X/ J. a - LDA Bullet_Type,X/ v$ ?2 g3 P/ g5 I1 W2 P. x
- AND #$0F. d1 H, h- N3 S4 w M8 C
- TAY1 {! t5 w2 d( l, }& F
- LDA #$00
2 \( ]3 n4 S: P5 x% ^ - SBC Bullet_Speed_Data,Y X/ o# a0 k! ?; c" N2 a
- STA Bullet_Y_Speed,X
/ ]; h6 K t" q - RTS- `4 }( D- l) P
- # V/ ?/ k5 e9 c1 b8 o% T: n
- L2_2:
8 g/ P% y4 J% q, A - LSR2 N$ @! y6 U; n4 s! ^4 L
- STA Data_buffer( `; E4 \' w- M
- LDA #$00& M+ _0 O4 D5 i2 q9 v: j
- SBC Data_buffer9 a: \, A2 ?$ l/ d& ~
- STA Bullet_Y_Speed,X: C( e" B' S& R+ d$ k( s; P7 ~
- RTS
9 s) x$ T1 c, c6 E9 i - % |9 Q. @) k7 g7 k& r6 X
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y& ]3 S5 Y$ T9 Q6 u. q. A( _
- LDA #$00
# q. X* b( Z( o. V7 |' j) y8 e - STA Bullet_Y_Speed,X
6 Q4 @: b6 A/ m - RTS
: o, B+ t m+ I; _2 V7 Y4 u -
1 ?/ I# W1 _% z4 D, m - Track_Enemy_X:
( R! U* d" l0 t4 U; Z4 A0 T( `# A - SEC
- q7 |( b1 J; _7 S - LDA Bullet_X_Pos,X {; y+ n5 t- C# b# P- C
- SBC Enemy_X_Pos,Y
: f2 }9 }" l8 p' t$ v& {# M! @ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
5 }" }0 p7 K% U$ a( E - BCS Track_Enemy_X_Greater ;子弹在敌人下方0 A8 ~7 ]+ m# n
- 5 ]* _+ b Y4 O% `7 z
- Track_Enemy_X_Less: ;子弹X < 敌人X ?. r* ], _- l$ z) [
- CMP #$FC
: g' G* {2 b2 x- ]) O2 ` - BCC L3_1# ^- j* G y& W5 m+ \7 t3 B/ Q# [
- CMP #$FE
! u) B+ n, ~9 }* D# [ - BCC L3_2$ j. D# o$ }: r2 V7 D7 t# \
- LDA #$00. E# g. ^! H5 O: R/ f
- STA Bullet_X_Speed,X( z) U! c9 C n9 y: n7 X
- RTS% e& J( u. H1 b |7 z
- L3_1: 7 D' E- ], W. D0 ~; U1 e( i
- LDA Bullet_Type,X
! ]) `7 R, N" e! r3 ?# N( n8 f - AND #$0F
& g" |6 M" f, u- ` o - TAY& ]3 U& V A5 F6 o/ Y- H: a
- LDA Bullet_Speed_Data,Y( D2 v8 G+ w4 p2 S6 N* [! I
- STA Bullet_X_Speed,X
. w& w2 J: r( q4 B - RTS! {7 P" u$ H- t& W2 b
- L3_2: $ W& f. f! [2 Z9 @5 ]
- STA Data_buffer
$ w+ n; r0 n, R7 N1 y! a5 C, d - LDA #$00) ~6 L$ G. [. ~! U/ A6 p* _- u9 a
- STA Data_buffer. M5 F* B; O( }( f- `7 |
- LSR$ _5 q4 r6 Q2 ]. I6 F9 o# _
- STA Bullet_X_Speed,X
1 J8 d K ~$ l' J( j+ { - RTS
7 [1 e) e* l7 I# N5 `+ ]4 _5 k% }" q1 Z -
+ q) |* m* ?9 X5 f* u. p& C: ? - Track_Enemy_X_Greater: ;子弹X > 敌人X( b- `0 u+ z' Y, r
- CMP #$04) K" a6 p6 u; z/ U" B4 n
- BCS L4_1; e; k$ }' J+ D# N$ `
- CMP #$02
& }4 a. y0 q8 |' W - BCS L4_28 K5 X$ o6 f; C. |: T
- LDA #$00) {1 w. }* {1 U! V; n7 w- t1 W
- STA Bullet_X_Speed,X; f6 l4 O" A% i+ c; y( ^+ z# Q
- RTS G z( s1 Z* i" z F" I
-
$ n9 ^% F9 ]- m2 K' K" P4 S1 v# J2 r - L4_1: 5 I4 M4 t: \. n' N, t! K9 `4 O
- LDA Bullet_Type,X
6 Q/ l4 g* A$ |( [ - AND #$0F6 [" D& C! w1 a4 a/ X) T. K( ]
- TAY+ b4 T/ S+ e' N" o# {" ^9 e# E ]& t
- LDA #$00" [5 D/ \9 N0 Q W
- SBC Bullet_Speed_Data,Y. n3 S! {+ Q1 }. i; J T
- STA Bullet_X_Speed,X/ {% \" i' U1 q) h- a5 |8 Z; o
- RTS
4 T% R4 J! x7 E- t - L4_2:
& H e* R6 S$ j2 Z; k1 k! e - LSR/ M1 z4 J" m: K& z, Z! h
- STA Data_buffer7 A' G: M' E* I4 ~. L" d" O5 h# M& v
- LDA #$00/ G; a# R8 X' ~6 E1 Z8 r
- SBC Data_buffer
6 P/ u6 Q/ m j9 @1 t0 q5 s - STA Bullet_X_Speed,X6 o' C5 _" J9 a/ P2 C
- RTS
3 n9 C% F7 U6 N1 U - " R# y2 U7 ]: ] {/ p8 C
- Track_Enemy_X_Equal: ;子弹X == 敌人X$ a: l8 z7 f+ K# P
- LDA #$00: A5 r# D& H4 n
- STA Bullet_X_Speed,X* R# _; d) U! c7 U+ M3 l7 b' c3 |5 v
- RTS
7 C7 q% }1 g0 }1 D5 ` - , S+ r& W' _: L. N( z' X: ?
- Bullet_Speed_Data:
( Z3 J, i3 C7 l/ s5 x6 v - .DB $00,$03,$03,$02,$03,$03/ ^8 l# A. R( d
- 8 E0 U! O9 S0 i1 n9 _ b C
- ;2, 4关
, l) k, h" a- ~! D) Y6 _ - Track_Enemy_Ex:
0 c5 d- A6 r8 r! l - LDX #$0F5 r8 w$ B' a8 h
- Track_Enemy_Ex_Begin:
+ t2 a, ~) r* H - - I2 P# r Y( Z/ R
- LDA Bullet_State,X4 h/ z! K% D" D6 N8 O: O
- CMP #$01
) e1 r. g3 N6 u1 R' Z8 w - BNE Track_Enemy_Ex_Continue
: E- m, t& `' R; W7 `3 { - 0 K6 a$ x* D& y6 p* {8 H* t
- LDA Track_Enemy_Index,X* W1 e) x. j" }
- CMP Enemy_Index
. x$ ?4 a. C8 b2 \ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标: b' o5 A$ E8 L$ U& F' s) l
- ' u& Y9 ~3 x; f" j
- LDY Enemy_Index
& g! n; L9 `; T - JSR Track_Enemy_Ex_X, J1 J. K2 ]! z4 R1 N5 O' W
- + a/ E# O3 e0 T4 _. ?
- Track_Enemy_Ex_Continue:1 f- o- N$ i, r! v$ F1 ~5 U$ {
- DEX
# |5 a9 u5 W8 y2 m( F1 r+ v - BPL Track_Enemy_Ex_Begin2 N# {. Z, M I% r& Q
- Track_Enemy_Ex_End:
8 ^- C( u b6 ?- K0 h0 { - RTS
+ w0 R8 ^( U2 p+ m, x$ } -
+ m& O9 l3 J0 d9 N2 r+ r7 q* w3 |/ T - Track_Enemy_Ex_X:3 D7 t1 w& U- B
- ;LDA Bullet_Z_Pos,X. c3 W8 _. r w
- ;CMP #$04
6 R% ^4 l: A% X# N7 n - ;BCC Track_Enemy_Ex_X_End
' M$ j. ^7 T9 \8 y% u- T - SEC
i: z. \* Q& t; n/ A - LDA Bullet_X_Pos,X9 c4 p9 E( n; R3 k/ C
- SBC Enemy_X_Pos,Y7 Z7 Q$ J' Y q/ D( b
- BCS Track_Enemy_Ex_X_Greater
- h2 U$ B% H: Q5 t -
' e& x1 I& G, p6 @1 e& e- B0 |( ~ - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
- U8 c2 i! ]/ j% G8 @# G) S: s - CMP #$FD
: z/ {+ @' s3 s/ W( Z0 [9 M4 F( T - BCS Track_Enemy_Ex_X_Less_End2 Y: g9 {! o/ `; U7 b( ^$ [
- LDA $6020,X
% Q* W( o3 K& J4 A! N1 X% j* ^ - CMP #$2A( X5 E) N9 p. r" {5 _
- BEQ Track_Enemy_Ex_X_Less_L1, H) y' Y4 H" x0 f$ f$ ]
- LDA Bullet_Z_Pos,X
/ {- C% y8 O3 c" o" [: P: }# S/ U - LSR
0 p2 W# R' v# n+ T - TAY: Y" D+ y* g* E, z; p
- LDA Bullet_Speed_Data_Ex_R,Y7 h6 U9 ?; l$ W2 _
- STA Bullet_X_Speed,X: N0 O; ]- j6 _3 v! c1 \5 _0 W- @# I
- RTS
& R. k% a! T" ]4 M {! T7 D - Track_Enemy_Ex_X_Less_L1:
( _* M, g% V1 Q$ d0 A4 M - + V. f; L, H4 f* y% I
- LDA Bullet_Z_Pos,X
3 |2 _! D% S; K. z/ ^$ A/ z7 H - LSR
* ]( @/ i: X- i1 g* X6 K+ p1 ? - LSR5 b7 l3 V& |5 u- D3 r
- TAY, I! i; ^" l* B0 o9 M& m" _
- LDA Bullet_Speed_Data_Ex,Y
7 [6 g6 a. v6 T! E, A3 R: o% q - STA Bullet_X_Speed,X
" _7 K5 A p" n7 U5 B( i0 Q( I - RTS
3 r" A3 e, s+ w& K/ _% m; n - , \. v$ V4 R/ p2 Q* I9 @
- Track_Enemy_Ex_X_Less_End:
* s2 k) U3 N, m - RTS* J+ Z2 ?: U, t, x- o! T4 \
- $ u; P5 ^, w2 r' x$ o/ z. z9 ^
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
0 u4 X! \# [+ ?/ b& H. j0 Q - CMP #$03
|5 Q( |. L9 h) a; w! f! ^ - BCC Track_Enemy_Ex_X_End
5 e5 ^' ~. p+ {* s+ S& D0 i& a - LDA $6020,X8 D( ~' _' j2 }# ?* I8 ?& j
- CMP #$2A+ e0 Y9 I6 p" r; \9 T6 R
- BEQ Track_Enemy_Ex_X_Greater_L1
& p& O3 }" Z+ I- {- Y4 s - LDA Bullet_Z_Pos,X3 l0 z0 ^! j& O5 u
- LSR1 d- u7 s1 C5 S3 F! l9 B( f6 x4 l
- TAY
5 v6 q6 n" h. m4 h - LDA #$00
. y; K$ @0 |+ Z+ z - SEC
3 I5 Y( p4 m9 z) n! z1 v - SBC Bullet_Speed_Data_Ex_R,Y
. B. N3 ? w2 m2 {5 Z - STA Bullet_X_Speed,X
' N/ s3 } H8 u6 Q - RTS- S+ H$ b+ |( X0 h
-
* M& R# {2 q1 D: Y( V) @ - Track_Enemy_Ex_X_Greater_L1
9 R5 I: B9 c- m# y2 y- t - LDA Bullet_Z_Pos,X
/ b, ^3 O6 `6 E& \6 C - LSR
! ]5 S! j7 l3 r. J0 v" |1 _3 e - LSR% y, X; I, [0 M; \( @8 `
- TAY
% J. ?/ I2 {8 {' y - LDA #$00/ }% }( M% l' z7 h, N" _
- SEC$ A k1 w! c% N7 x
- SBC Bullet_Speed_Data_Ex,Y
3 }1 ^0 m* k9 k2 L) B( a2 E - STA Bullet_X_Speed,X
4 z4 Z% s/ {7 [* B - RTS9 j" g' j) \+ N
-
5 s5 }- G6 n2 Q - Track_Enemy_Ex_X_End:
5 t3 r) b, h( S8 o% a! B: B( C/ ^ - RTS
' ?7 D, V( `; K, |: a! P - 8 f4 G! N( y/ j3 J% q
- ;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 \& b6 f/ g+ P4 k6 M# k+ Y; b - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上. j( S( \ ?3 [7 `1 X, S
- Bullet_Tract_Direction:
8 D! y+ g7 Y: z2 W - LDA Bullet_Icon,X+ ^: N/ W' h0 P/ Q
- CMP #$23
: p) w- E9 ?4 Q8 X5 }" i4 u - BCC Bullet_Tract_Direction_End% W- X0 `* Q# B1 i& u
- : o9 Z- r7 a8 @$ K. F1 h
- ; X != 0
0 H8 Y3 a8 E6 V T1 o7 h d6 } - LDA Bullet_X_Speed,X$ u2 m$ p. V) |
- BEQ Bullet_Direction_V
, s, `- T. E1 j' G9 O& e -
/ w0 W6 w; u7 N2 s' x2 ? - LDA Bullet_Y_Speed,X
8 o' y6 R8 Z9 R$ K - BEQ Bullet_Direction_H
' U" ^5 ^* I+ v+ R) |! Y# W0 ]6 ? - $ u7 W% u, g5 m) v2 I9 _2 X
- LDA Bullet_X_Speed,X
. n& O" `( v4 x* L$ b& q; p - BPL Bullet_Tract_Direction_Right9 h6 C7 ~8 d9 @. `/ {
- Bullet_Tract_Direction_Left:
) ~& n4 Z3 M8 o/ Y8 u0 e - LDA Bullet_Y_Speed,X* c, O7 V8 m8 Y9 _
- BMI Bullet_Direction_Left_Top
# u- F' j5 u: D% z/ K- D8 p - BPL Bullet_Direction_Left_Down9 p8 i3 L) u- l' {% X" Y. g8 ?
- Bullet_Tract_Direction_Right:+ t! ~' f' m# ^4 @! L/ z! k& {
- LDA Bullet_Y_Speed,X6 a7 i3 r7 M _+ f
- BMI Bullet_Direction_Right_Top
/ q9 ^' q9 c9 `0 C6 a, L9 j6 x - BPL Bullet_Direction_Right_Down
" [2 L1 n, U" b& H- g - Bullet_Tract_Direction_End:' @( y) y* B( t
- RTS3 L0 h/ A3 O7 h0 I* q8 i, e$ ?
- ! k: J- J8 v/ Q, w2 t {2 E
- Bullet_Direction_Left_Top:
- [! h) Y. L7 r7 E7 ? - LDA #$25
1 R0 L: [5 r/ T n) V! B - STA Bullet_Icon,X
. D4 P) Y: o/ z' [3 G, Q$ K" x - LDA #$C0
( e: W3 F, v9 Z1 k* [. } - STA Bullet_Direction,X3 x; P- S# n! A- V- n
- RTS- \6 L; Q, p/ m1 ?* u
' O. M3 k- T7 N' `1 b' x# o5 ]3 D& _/ e- Bullet_Direction_Left_Down:
5 `' y$ w% s7 e. l& Z; ~: Y - LDA #$25
1 y) c2 U9 b' k - STA Bullet_Icon,X
1 x3 J/ u' I) ^. {/ B - LDA #$40# k8 u) G' _! ]4 L6 P3 ~/ L# r
- STA Bullet_Direction,X
' A) {8 a9 n3 f - RTS( \- G) P: y3 j$ Y9 x& K
; Y8 K, Z1 d4 c* w# C ?5 y8 q" ~8 u- Bullet_Direction_Right_Top:
M& G/ S3 b/ K' \% t9 _5 q - LDA #$25
7 F; s. o" L. u! r - STA Bullet_Icon,X$ c* n) I3 P4 _
- LDA #$80
8 R0 _0 V9 B# P/ c - STA Bullet_Direction,X
9 D( _# q, ^( O" A: C$ B% T+ u- ` - RTS4 S2 y2 l0 {0 o2 e
7 K9 k" O4 |- A- Bullet_Direction_Right_Down:
, E; A+ O- @9 Q0 A) E - LDA #$257 T2 Q: f c3 t
- STA Bullet_Icon,X& D( l0 u9 t. O: y6 Y3 u' v; w2 v
- LDA #$00 o8 t3 e3 w2 g+ G: s n
- STA Bullet_Direction,X
( m- H- P7 a9 I& }* C) X. t" h9 ` - RTS
( `5 [8 Y. b% U( E H0 q - Z( y5 p; ]% |1 R5 @1 p/ ?4 B
- Bullet_Direction_H:
3 m/ y# w) Y' y. b3 c; F - LDA #$24
' K$ s! a, Q' _; ]0 C) \ - STA Bullet_Icon,X5 _. v9 `. E/ V# i. e* m- _
- LDA #$00
: d! K8 T* B( v, k' Z - STA Bullet_Direction,X
x. ]. T' }" V! M, X% } - RTS
2 C P7 x |! c' }& t0 P- H - 9 f4 K: `$ h/ s* w
- Bullet_Direction_V:+ G$ @" C5 b/ }3 A/ [" z
- LDA #$23
5 Q m3 A/ J1 T6 e+ ~3 E j6 N; W - STA Bullet_Icon,X
; ` @9 W# t/ ^! }$ _4 v& E2 f: i1 d - LDA #$00
# z4 E9 E/ y0 ?; D+ g' [. k - STA Bullet_Direction,X9 H5 D! Y! f# o6 T X( N
- RTS' S2 }/ }0 N4 \
: N& }2 z* X, P% c! L! m- Bullet_Speed_Data_Ex:
! X, F H' T. ~1 K9 } - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
$ p1 {: C/ i) T -
2 f3 e8 u+ T6 m4 Y% v - Bullet_Speed_Data_Ex_R:& E; m6 \( e+ C
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
1 L' B. e1 q4 J, K% i/ r7 G: p7 R -
复制代码
+ V# a# Z9 m' Y2 o/ `" p t2 S: s" h& H. {
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