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[FC][魂斗罗][J][追踪弹]' J! `2 Z; \, a! b
2 J0 i/ L1 O2 s! _% s* b7 Z时间:2023.04.30! B2 y5 v4 C% b) l/ {7 w
作者:FlameCyclone
4 J& N) p" @7 f9 E3 K j) ~' f7 E& E内容:
2 Z( o0 ~! ]: r3 c5 W 1. 所有子弹追踪敌人
6 J) z& N8 V* I( ] 2. 选择键切换武器1 v* h0 u' _) v; F+ T) p
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" G- @; ^7 }+ E* [# `0 \: e
1 d# o1 M. {' N& p4 R: C' b
flamecyclone.ys168.com) n% {; f0 L/ c4 k9 U" \

9 l9 \3 }% i5 X7 I4 J7 T- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁3 D, j8 e j0 u( r4 J G O
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
( ]$ p$ N5 `7 t: p, H4 I( `: J6 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)0 T! @1 Q2 k; f- U
' o; a0 I7 t, z/ Z2 r1 g; p e- ;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)7 R0 X* f2 o6 v1 @, y
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
7 A; B# X- o, X. u - % O- d3 B# C! \" \, I! q" s
- Track_Enemy_Index = $60005 ]" H5 a2 U+ J8 W2 |' p
- Enemy_Index_Begin = $6010% ~( {2 ^8 x% o& K) e3 T
- Enemy_Index_End = $60119 t3 K6 G8 w: M% F+ m7 O
- . S+ { d4 B+ R U- e. [* s" a( p
- Loop_Index_I = $60123 V) v' W+ I% e1 G) @
- Loop_Index_J = $6013, D8 j: R8 d8 S6 F
- nEnemyIndex = $60146 l5 O; H( w B! q# j8 L o* O
- Data_buffer = $6015- C$ w1 v$ J( C6 E2 \. g0 {
: i) ^" E9 R2 w8 K- h# F- Bullet_Y_Pos = $03B8 ;子弹垂直坐标- ~- X6 a% x; N2 ~+ G* Y% v, S$ w
- Bullet_X_Pos = $03C8 ;子弹水平坐标
3 z- W- H, e5 R( Q) |1 }( I! Q& U+ z - Bullet_Y_Speed = $03F8 ;子弹垂直速度
9 E- E8 `1 V. R - Bullet_X_Speed = $0408 ;子弹水平速度8 i: c7 x; i$ D7 p) t
- Bullet_Z_Pos = $0418 ;子弹Z坐标
% t" k" q. k. s% s3 T) N - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P6 _! M9 g4 }6 z* c3 E+ o8 e- m
- + ^8 o+ O, l1 u& X& A8 k% ]* 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
9 u. h3 I& A* ?- ?8 L1 ~8 H. M - Enemy_Blood = $0598 ;敌人血量2 q& r7 B0 e6 ]4 g
- Enemy_Type_Addr = $0528 ;敌人类型5 T; y8 R8 f' B( A* S# o5 ^
- Enemy_Blood_Addr = $0578 ;敌人血量
. L( o- a8 O2 W" U5 g - Enemy_Y_Pos = $0324 ;敌人垂直坐标
7 p3 @* Z" b4 z- s) f( C - Enemy_X_Pos = $033E ;敌人水平坐标
; u9 e3 b4 @) D7 c7 h9 F - Enemy_Y_Speed = $04E8 ;敌人垂直速度
- M$ L; c; n% N - 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
$ l8 W3 I2 E' L8 Q
) v; e7 P" L( g( b1 V0 l, A- Enemy_Index = $83 ;( I' u& X y+ I9 N
- Time_Count = $1A
0 f9 l( ~* Y$ k# q& L G Q/ q% X7 B - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, z, y! A& Z: g, B - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
$ n4 Y- o& b, c8 J2 q2 l
7 k* l* \: I! h- & G0 m5 F# ]2 J4 R% p" v/ M
- .ORG $6100
8 q: n3 f5 s* g9 b& o( _ - Process_Begin:
- g" X. c4 I; R- [, O - JSR Enemy_Check" i$ T" Q" p& N, P9 h
- JSR Track_Enemy_Check
( O" W8 h/ s- h. y2 @* o - Process_End:
2 D: D3 n1 J! ] - JMP $E54F5 b/ t) H' ?) J j' N, q
- 6 o3 o& j# N1 U& V- X
- Enemy_Check:
- \6 q; B& }( [- I) `( P5 j - LDA Time_Count
i9 ]' w& }! L5 L6 V( ^ - AND #Track_Bullet_Speed+ t5 s- n6 l7 Q, s6 q3 n
- CMP #Track_Bullet_Speed
9 |4 q, a/ m! G. D4 X/ \5 j1 i - BNE Enemy_Check_End. g v# O/ W! s6 u# F3 o% ]8 ^
- LDX #$0F
! v: ~% r5 N$ m: z0 { - Enemy_Check_Begin:0 @4 w3 m2 B/ U3 S2 v
- LDA Enemy_State,X
+ W% N& B( m" T: Y# j - BEQ Enemy_Check_Continue
( x/ u2 A3 x: m: e2 L1 S d - STX Enemy_Index
/ h8 L' P: R9 Y o4 _- j - JSR Find_Begin_Enemy
) e3 K/ y7 K8 I# ^- l' U. C - JSR Find_End_Enemy4 t: j& z/ ~; u; f- N/ Y
- JSR Bullet_Track/ C+ I, D3 _/ Q) s i
- ) D' X W1 |7 R5 w
- LDX Enemy_Index
- h% w- b/ ~" r - Enemy_Check_Continue:
1 s4 z$ |7 L6 q& ?# d3 U% B9 I - DEX0 @% y4 k3 V$ v X; F
- BPL Enemy_Check_Begin
1 f1 Z9 H X4 N: i - Enemy_Check_End:! \# R9 ^, r# ?+ m: b
- RTS" K3 ^; k1 n4 }6 q0 [
- 5 O v! w$ m: e: O: ]5 r
- Track_Enemy_Check:
* \6 u8 x2 _' e - LDA Time_Count' M+ O; U+ Z6 E6 X0 w+ G
- AND #Track_Enemy_Speed8 y5 n& o' d- _5 T2 H
- CMP #Track_Enemy_Speed
; B5 S! L# L4 c4 m7 M' r3 [; T; O - BNE Track_Enemy_Check_End1 U/ X. C3 \6 K* I4 o
- LDX #$0F- C* v5 m# R7 Y C" |
- Track_Enemy_Check_Begin:
7 v5 [# D, G# {$ T# ?# e: a - LDA Enemy_State,X
# v( q! B" j0 d. A# z0 { - BEQ Track_Enemy_Check_Continue
* B- Z6 h. b" {& L y% I - STX Enemy_Index
( r5 Z! p0 f1 p1 W* i7 l0 E' j - * c3 H7 i! m* N& m6 @+ D
- LDA $40
' V& }5 [' P! F - LSR) k0 ~: U& L7 K' z0 m7 E+ w% p
- BCC Track_Enemy_Check_Begin_L10 _7 l( x7 o# K7 S
- 9 s( q' C8 q/ n" \7 U7 D
- JSR Track_Enemy_Ex ;2, 44 ^( X% k8 y" D9 u) D- Z/ J4 t4 d5 d. o, c
- LDA #$00
A$ P+ J3 w6 K2 S% a y - BEQ Track_Enemy_Check_Begin_L2) H; _) y, {. K3 J3 e7 R
- ' t0 B6 g/ n3 F* E
- Track_Enemy_Check_Begin_L1: x6 R0 X9 l+ l9 } ^, X
-
' U' `! K1 m' _2 [' W0 x - JSR Track_Enemy
, O( C1 B, w) d" B2 j: D
/ `! P, u3 j1 b! m7 n- Track_Enemy_Check_Begin_L2:
' `/ N! s4 `6 ^) m -
& M3 s* P& g* Y& p# T - LDX Enemy_Index
) J5 p! R" o& c7 r& e# ^ - Track_Enemy_Check_Continue:0 w0 J3 W; G" E8 ~# P- i; t- ?6 \
- DEX
5 b6 a9 V+ V6 F7 c5 g1 I - BPL Track_Enemy_Check_Begin4 O/ p$ c/ T1 a6 S& [9 O
- Track_Enemy_Check_End:) _* C, F! C9 w `* G4 k
- RTS
$ L! ? y0 Z- m( e - 3 |+ b3 A; G5 J5 l& m g
- 8 q7 D) M1 [' Y; i, y6 D& P2 V
- ;查找第一个敌人) F5 x; h! g; ?: |- ]
- Find_Begin_Enemy:
: A4 X: j9 l# n U- ~7 G - LDX #$00
* s8 {0 C. f7 {+ b$ K - Find_Begin_Enemy_Check:# R$ p4 C. ^6 X2 G9 Z# S
- LDA Enemy_State,X' k$ Q. ?0 y. ~9 n
- BEQ Find_Begin_Enemy_Check_Continue) T) D g. d7 I, L/ u
- LDA Enemy_Blood,X: {% ?2 g8 K1 D6 U5 J7 y" q
- BMI Find_Begin_Enemy_Check_Continue z# `% R$ J4 g1 x) `
- BNE Find_Begin_Enemy_End
: }% p+ T+ k; f2 l. J% ~! X) ` - 8 W4 g! |/ {$ j8 n) V, k4 C
- Find_Begin_Enemy_Check_Continue:
9 I2 g6 ^+ O8 d5 [1 | - INX4 c" ^4 G3 q) I: {0 g- z, M
- CPX #$10
1 r" \) \( a7 u0 c6 e% d2 S( C - BCC Find_Begin_Enemy_Check7 U4 H' @. J$ L2 S, @
- Find_Begin_Enemy_End:
/ A" v4 x' q! T/ D - STX Enemy_Index_Begin
" ]/ Z \7 N1 h9 O - RTS0 N, {3 e5 M8 i, H& A
- 3 F# y4 q9 S8 `/ x4 w! ^
- ;查找最后一个敌人
8 |! }6 e8 d* _ - Find_End_Enemy:# K" C8 Y1 ^% f' O3 ?6 s4 W
- LDX #$0F
9 | q1 z1 N2 F) I5 g) { - Find_End_Enemy_Check:
5 v/ N: o7 e) }+ B - LDA Enemy_State,X
- w+ K, O4 h+ b. M. I3 | - BEQ Find_End_Enemy_Check_Continue
$ H1 r5 t* O. H3 P' c, G - LDA Enemy_Blood,X
% }& r% ?1 f2 o, v - BMI Find_End_Enemy_Check_Continue: U0 ]' b( x3 B# S
- BNE Find_End_Enemy_End
/ K k0 t! R- Q# I- O/ r6 D -
3 ?2 S& R7 E5 u- N) k+ L - Find_End_Enemy_Check_Continue:
9 A6 X7 ~# E$ E6 B- H# X F8 x - DEX
! [4 f4 a0 A g/ Z - BPL Find_End_Enemy_Check
/ Z+ |5 e* i. c% Y& F - Find_End_Enemy_End:
* {4 B: k# Z9 Y0 G" z6 e% Y - STX Enemy_Index_End* ]* s+ J* Q9 R$ e' U
- RTS
$ X/ g( p h9 V% I. Y
! Z3 V. }! j( p: H- ;子弹追踪
- @! l+ U1 T. _6 |, j. h6 p8 W - Bullet_Track:
( C3 x3 M; q! M A - LDA Enemy_Index_Begin& y* Q* ^: y# E: [; ?5 d, J
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
" x0 X. q* L. K- ? ]# ?3 _ - LDX #$00
1 b3 k( Z2 I* ]7 M - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
8 t. f0 c5 ~4 k6 V8 v - LDA Bullet_State,X/ A7 ]: m% J$ |' ^ F. I3 A N4 g
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
, I+ O3 M7 p8 u" o7 G$ T+ {# ^1 z - STX Loop_Index_I% S, y" e7 R/ T/ Y" M4 X+ ?
- 3 k" ?, A3 j/ b. T( A
- JSR Bullet_Track_Enemy
: l( y$ Z5 I7 r# o - JSR Bullet_Tract_Direction+ k" D) t% i( S# D9 {1 l% u! M
-
% E& l, t/ T, L( G1 p4 Q5 m4 \ - ;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1 ]& ~( J8 v# a
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
- u3 K* d% B9 H( D3 `5 G - LDA nEnemyIndex- B- K7 X2 @) K" `: x; ^
- CMP Enemy_Index_End* }, K; O, U8 h0 R" r9 e+ D$ \& J
- BEQ Bullet_Track_Check_Continue6 [$ z% i/ R* S3 C
- BCC Bullet_Track_Check_Continue
) V- v; e) c* E5 S& [. S$ w& T - LDA Enemy_Index_Begin
7 d! y0 ?) A3 ?& r% T* C% C - STA nEnemyIndex# ^0 e/ v9 ^# R7 A
-
- D- K3 |& [5 n ~8 u - Bullet_Track_Check_Continue:
: `9 p9 U/ v7 ]. ? - LDX Loop_Index_I3 p4 P3 d5 O3 G2 b! h" h: J; A
- Bullet_Track_Check_End:8 f. z$ k0 W. j* F: k# A
- INX
* M7 L" Q; i4 K) L5 i6 C& V - CPX #$10
4 F; J D b. \% o6 I - BCC Bullet_Track_Check* I% W- `- w5 y( Z, {% @
- Bullet_Track_End:
) V$ ?( {, F% s* t9 g - RTS8 V3 I0 T) X% H) Y, R
- / B- @: D7 n: B8 E6 z
- ;给敌人分配子弹
$ f/ d* i. ]1 ?) n* r - Bullet_Track_Enemy:
7 s1 w2 C( c* F3 s - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)+ |5 _4 V r& l8 _- v# I8 k& K3 ~
- Bullet_Track_Enemy_Check:
3 n/ O) P/ O+ V - STX Loop_Index_J8 l( ]1 D: k1 w4 ]
-
9 M( {' m V& m! G) }6 J: w - ;if (0 != nEnemy[j] && -1 == nTrack[i]); H( ~4 F; \; m% x5 O
- LDA Enemy_State,X* [: f9 k, W" r6 U
- BEQ Bullet_Track_Enemy_Check_Continue
9 z, C1 E, z7 N+ O. N - LDA Enemy_Blood,X
S4 K# K; r" j: f& P, }7 ` - BMI Bullet_Track_Enemy_Check_Continue: c. N$ W/ O6 |% X$ Q) B
-
5 c& L( ]9 r+ W! \2 d - LDX Loop_Index_I" X3 d% R6 n0 F; P
- LDA Track_Enemy_Index,X, c3 l% `: Y! y3 C9 w. C
- CMP #$FF6 q" u0 U% Q7 l0 ?% S
- BEQ Bullet_Track_Enemy_Init. G; A3 E. d p& S) U) _
- 3 G T% j1 a) V, I
- Bullet_Track_Enemy_Init:- L5 U0 p. W# q3 m. q8 |
- LDA Loop_Index_J3 E7 B4 a6 F* s( C: a9 V7 I* T
- STA Track_Enemy_Index,X ;nTrack[i] = j;: w1 v' U8 z% z7 I+ l/ J5 c
-
" _* L, a$ X4 Y c - STA nEnemyIndex+ ]& _8 L6 P9 K1 L8 a5 a! v- J
- INC nEnemyIndex ;nEnemyIndex = j + 1;2 e2 L' C6 d0 U( k0 u' T
- RTS ;break;
1 B7 I9 ?; @8 |+ _- h% F; X - 2 o/ n r: a$ S+ C4 S/ V
- Bullet_Track_Enemy_Check_Continue:3 Z7 p6 ?& G/ S9 C3 h
- LDX Loop_Index_J
" O, r% k, b7 O. v7 L" A - INX ;j++
K8 _% u8 U/ x5 y2 O& L5 v3 u - CPX Enemy_Index_End P4 w! b6 G( S
- BEQ Bullet_Track_Enemy_Check) F- C- I4 z" G+ o `+ `, h
- BCC Bullet_Track_Enemy_Check
, d5 X* l% L/ }$ } - Bullet_Track_Enemy_End:
! b1 x1 T9 R; m# a, Y) N - RTS
7 [, k( j) D( `4 x
0 q) T. E$ e* V+ k5 S i- Track_Enemy:
2 W4 Q: @, c5 Z. o+ M. Z3 f2 ? - LDX #$0F
1 r _2 v) k; e8 F& F - Track_Enemy_Begin:
! K, [& I! H6 T0 v6 { - LDA Bullet_Icon,X' K3 G. a7 }8 J& ~
- BEQ Track_Enemy_Continue( W* O# ?: t+ f# V) |6 M; }
- LDA Bullet_State,X
2 r/ D( `; ~' X% r$ | - CMP #$01
, B/ |0 Y0 \3 d7 U - BNE Track_Enemy_Continue6 `3 K, S$ T6 {4 g; z% X" |# H
- ; O. e0 }$ Z$ C3 ]
- JSR Track_Enemy_Process
0 J* {1 @8 ?# l% w2 L, ]& n0 s - 9 f$ t( l4 z& ~% ^0 f o; Z
- Track_Enemy_Continue:) v& L% u- `0 r& h6 A+ d* R
- DEX% {1 z+ X& M4 k- u
- BPL Track_Enemy_Begin
+ `2 w' k7 ?! g* Z - RTS
; m2 j9 F) U. u
# @0 P2 H0 P, ~6 ~% U: u s- ;普通关卡
" K( n- I" ?4 K2 j( x - Track_Enemy_Process:
! p% V6 |7 D# I1 Q3 [ - LDA Track_Enemy_Index,X; s4 [) ^6 k/ E, C, k+ y
- CMP Enemy_Index" x L) ~6 m8 k* [
- BNE Track_Enemy_End
8 ~* S7 A8 I* t6 f( t - LDY Enemy_Index
9 b1 S9 P; ^$ w1 U* w z' c - JSR Track_Enemy_Y
- K! o: z: R# E" H) ~ - LDY Enemy_Index4 C: e5 H" N" w3 O" E; r2 i
- JSR Track_Enemy_X
3 Q; r1 k: m, e/ ~) V# l - Track_Enemy_End:
8 h( [" u5 V) S, Z$ d0 q - RTS
; k# H0 ]! p3 @ -
( ^9 I# @6 a- P% a: E+ i( }1 v - Track_Enemy_Y:/ F* R8 R- g0 M9 w
- SEC
& a- C3 v) f, `+ Q - LDA Bullet_Y_Pos,X0 l7 b6 y) q" g) x/ }
- SBC Enemy_Y_Pos,Y/ Q0 V" a* b# @1 @! H0 k3 B' D
- BEQ Track_Enemy_Y_Equal! m$ u1 C5 a- ?. z
- BCS Track_Enemy_Y_Greater
+ H* t! @: O% j -
0 c6 V# O$ R& _6 s - Track_Enemy_Y_Less: ;子弹Y < 敌人Y" R+ D0 _" a2 ` k( c) \) i" d
- CMP #$FC
0 M. j( x1 g% g0 ]! [( O - BCC L1_1: ^! ]$ a; b P' s& t8 }+ n
- CMP #$FE
- }0 Y& B X8 l# h/ T6 ] - BCC L1_2
, h$ D* A2 e e1 B9 F$ h - LDA #$004 X) C! y+ s [$ e: ]
- STA Bullet_Y_Speed,X2 q2 f; Q' {8 \, X6 o' y: H E
- RTS" Z% }2 q) h: r
- L1_1:
* x j4 X; m" V3 c& Y3 ?0 f - LDA Bullet_Type,X
* t, Y6 k+ N( s6 Q& ?, P - AND #$0F
' x: T7 ^, c* o' x5 h) a - TAY
2 A% ^7 L, p+ G! E; _8 w8 T - LDA Bullet_Speed_Data,Y1 F Z3 {' U" U, L3 J
- STA Bullet_Y_Speed,X5 m5 s2 n0 u- d
- RTS: N* ?, y7 p: O8 f$ V* O; b- r) G6 s
3 f# c L, t) z7 U0 u0 I! [, P- L1_2:
, j* a' A: m, A. d$ Z8 d( ?$ [ - STA Data_buffer
- U" ~: \9 [. ~9 S; i+ f; p - LDA #$00
: ^. d# n9 U: H% G% @$ `2 i1 W - STA Data_buffer
4 g5 z) `) M+ d8 H) Y - LSR
7 `% z; x- O, |7 l - STA Bullet_Y_Speed,X) L5 t; ]8 {# G6 Y
- RTS% t4 m& `% A1 U" O+ y$ ^& {* k
- . \2 Z1 h" `# v. X
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
% p' N; a9 j6 x' e4 `& A, H7 W - CMP #$04
# c+ q! }3 s- w% W$ |6 B+ c - BCS L2_1
7 k3 U' h1 W6 U8 q. n - CMP #$045 {( I1 r |9 h5 |& C4 _' ]. j$ z
- BCS L2_2
! s* R/ |1 c- A - LDA #$00
3 { i; X! |* h }# a- C8 y - STA Bullet_Y_Speed,X
4 V' x9 w2 Z/ Y' T) A( i - RTS
7 H! r- c, y) U% w6 V -
4 y! Y7 Q3 I" v1 B - L2_1:
" b3 x# z; @6 C2 v# S( J - LDA Bullet_Type,X
6 C5 l. ? w" x: ~ - AND #$0F* m5 f+ V* J" s' ]* z# ]# z- W, R
- TAY
% g. y3 J0 W8 u6 k$ z t - LDA #$00- @' I9 @. B1 y( j8 T j' r, X' W
- SBC Bullet_Speed_Data,Y0 s9 a% |% S) k* h% E) H- y
- STA Bullet_Y_Speed,X
& P4 r! C$ X* x; F. Z; j* g- ? - RTS! N5 ?5 v( x _' U0 n
- & I% ~) D% C2 ?( t
- L2_2:
3 V" E% _2 f: V5 y& A6 X4 V3 E# j - LSR
* P1 ?; \* _9 l2 c M5 ~* _* K - STA Data_buffer A5 X7 M# n6 p/ q" T
- LDA #$00! b* F! k- x. X5 P' U' X! f
- SBC Data_buffer
7 j- p S4 G+ y$ ?* |. Y" G - STA Bullet_Y_Speed,X
" w* {' |4 o8 ^& w - RTS8 Z ], J5 ?8 Y: u% E/ B0 v
- 3 P* ?5 b! _4 c1 z
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
% W# Q; ^% \* _( w6 z( [- N; G2 Q - LDA #$00; j2 \2 V$ b3 a% c u& @6 [
- STA Bullet_Y_Speed,X
2 v( @7 c6 n+ A6 R( Z' { - RTS7 N" b, N. C& t: o2 m2 R3 r6 I8 q5 _
- $ J; x6 y/ b5 Z1 b( M' c" |
- Track_Enemy_X:( V" |% d4 f) r) G/ `
- SEC4 p0 S7 l D8 A) h6 B- v2 H
- LDA Bullet_X_Pos,X; s; v4 B" f5 R# D, A/ \
- SBC Enemy_X_Pos,Y( l# n0 y7 j9 B, i$ m& t$ A
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X2 R$ U' Q9 u! z* f, \
- BCS Track_Enemy_X_Greater ;子弹在敌人下方$ v9 g. D4 }- x7 }+ C
- ! R" C$ {+ `5 x2 f
- Track_Enemy_X_Less: ;子弹X < 敌人X
0 R! H6 N& {- N9 E, t- e U8 ? - CMP #$FC+ X( n9 e8 h, j. N9 ^4 Z5 t$ _( s
- BCC L3_13 T7 E9 p9 D7 a! M1 x6 ]6 O7 F
- CMP #$FE
) J5 U4 R+ q: E) F9 W - BCC L3_2
0 P) J% k0 Q; F; L* \5 v - LDA #$00. o X8 @. |# d; t. A
- STA Bullet_X_Speed,X
( n% B" ^+ H* `, K8 U4 m) ]3 z- W - RTS0 y& Y7 c L7 m& q1 f; V
- L3_1:
7 d' K' T# m7 D2 |( N - LDA Bullet_Type,X
7 O) `5 ]# G3 m5 x* r - AND #$0F0 j r- P$ U9 V
- TAY# {& r. R7 C0 k0 V, x2 ^% A
- LDA Bullet_Speed_Data,Y( b2 f% n0 L, R, x
- STA Bullet_X_Speed,X" _8 w- I! @- J6 J' i# W
- RTS4 m6 ]1 F' c6 l+ M
- L3_2:
' h( E% m" T: w% D2 r1 r! F- g - STA Data_buffer6 Z" w9 L) Y4 `1 O
- LDA #$00
2 f0 u b2 C2 U- K( V. } - STA Data_buffer
/ U$ y& d4 n8 c - LSR2 [% ^9 B5 g4 t7 c) j
- STA Bullet_X_Speed,X
1 _8 }8 c5 g0 h. ^6 |" U - RTS
: M, l% C# P# Z# t6 c1 @6 j -
( o2 G& F8 c# i5 s2 I - Track_Enemy_X_Greater: ;子弹X > 敌人X
$ V2 E; E, ?+ T/ P! b; }7 x - CMP #$04
l! s8 {6 T$ t! t, K9 } - BCS L4_1
6 s- x+ L& L8 E" i U6 c; j - CMP #$02
+ ~2 p1 C( {6 ]/ ` - BCS L4_2% _: h( H4 G0 O
- LDA #$00
|2 g: p/ V4 c6 \0 K - STA Bullet_X_Speed,X
* }% }3 B9 X; q, G2 c: n8 ?- r - RTS# O# `+ s: N; e$ }1 z' W
-
4 @" N7 D& ]4 T$ `$ {! F - L4_1: & D5 y1 k: v; t$ w; x6 b
- LDA Bullet_Type,X
/ u' o: e& U; R; B0 o# P - AND #$0F
7 g N* D0 B3 X& ]0 Q - TAY
# `" S# M9 W8 K# ]; ^# w2 O9 }. b - LDA #$00
n- Y3 w! v( s( Q: w2 g6 X. K! D - SBC Bullet_Speed_Data,Y
' i: g# T5 S% O6 ]5 S7 c5 Y - STA Bullet_X_Speed,X7 W; _* M# n# S W
- RTS
6 ~7 N! d" ^# i0 z6 |1 j& o A - L4_2:
+ ?$ u. s& E# P& L2 ]- O& W% m4 } - LSR, V) B4 C8 Z7 Y9 Q q/ s3 u
- STA Data_buffer( o( d1 D) v. ~( M2 @( p2 h
- LDA #$009 B7 |4 s1 l: o4 D& H' d* d+ I6 i
- SBC Data_buffer
3 }- b% p# Q! m9 F/ d7 v% B" X - STA Bullet_X_Speed,X" ?2 e5 x0 S. J. C& m+ T4 r
- RTS
8 L* a9 Y. C( g4 i0 ]2 M -
% E: \2 ^+ x0 F, @ - Track_Enemy_X_Equal: ;子弹X == 敌人X7 K. G: T+ l9 a
- LDA #$007 o1 d! V7 W) u, p3 u9 d' z
- STA Bullet_X_Speed,X
9 y- o; a( u S3 @$ C E2 O - RTS
+ a- L5 H8 _0 y( C8 `7 j# }+ f - / [& F' W8 Y2 X
- Bullet_Speed_Data:
$ N4 Y3 N" B4 b; e - .DB $00,$03,$03,$02,$03,$03
, x9 h. h6 C; @) a! L( d9 B: c, \, M -
! Q# K6 L- Z3 O. f2 ? - ;2, 4关; E0 o& ^/ O/ G/ O6 T
- Track_Enemy_Ex:% b% y: x% p* b( A$ Y
- LDX #$0F$ s, `: N; D) E- L' V- i
- Track_Enemy_Ex_Begin:5 x; A5 v' Q- D$ o+ G$ J# E
- ! v) q# ~3 f b# z: x, c
- LDA Bullet_State,X* L' A3 m. g! G& M2 u7 N7 e9 V
- CMP #$01
. K4 D: g9 V7 O0 d& D - BNE Track_Enemy_Ex_Continue0 b; y+ b* m" {$ Z1 D0 ^+ Z7 G
- ! z) {8 F1 C A
- LDA Track_Enemy_Index,X
: M ?3 U& _1 P _5 c/ @ - CMP Enemy_Index0 Q( v2 ^1 [: `1 \& k" H1 V
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标( o ]" g9 a' p! h9 C( {7 L( i
-
, v7 A7 `# P) J* H% o, }! |: ] - LDY Enemy_Index
/ W; j* x! l. d - JSR Track_Enemy_Ex_X% U9 M- y$ e( T7 d7 [
-
# E0 v0 P3 z* t. T4 s - Track_Enemy_Ex_Continue:4 M% o8 r& x0 M
- DEX
# W/ h' O' o p5 L - BPL Track_Enemy_Ex_Begin! g! K$ v! r$ K* g0 N: f1 ?
- Track_Enemy_Ex_End:
. q5 ~( {7 e% d+ ?3 l/ H6 y1 q- g - RTS
5 H/ e! w1 J! e3 u b: u$ e2 h' N - 2 D+ G; B0 S* {
- Track_Enemy_Ex_X:; e/ G# Q; ]* ~* |- C. r: L! f
- ;LDA Bullet_Z_Pos,X
4 _( L& d. m9 G, H2 }5 r9 o; Z - ;CMP #$047 e& t& s' H* Q6 S( O# p
- ;BCC Track_Enemy_Ex_X_End
) W( B! K+ O% D2 S5 H - SEC& z; N+ m, I& D- S/ s1 z! v
- LDA Bullet_X_Pos,X
) K6 @9 `$ c# l# R" p( I' K - SBC Enemy_X_Pos,Y
+ f' L8 s h1 Z% f' ~, m - BCS Track_Enemy_Ex_X_Greater
# H- Z1 \. Q8 I8 @$ ~: l - 0 n5 e4 R. L0 ?6 \4 a
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X# {& S. b+ [& H
- CMP #$FD7 d0 ^/ u. O" R" i
- BCS Track_Enemy_Ex_X_Less_End
' |0 O( a2 u% s: ^ - LDA $6020,X$ A9 V: j( L n2 w/ Z1 m1 e2 z! u% ^
- CMP #$2A9 N' Q$ t* v, Y3 B4 G( n" v
- BEQ Track_Enemy_Ex_X_Less_L1
: S) u0 ~$ B5 Q5 }; j" K) Y - LDA Bullet_Z_Pos,X8 A/ Z. w& \" G: [% Y7 [) G# c
- LSR5 w( T( l' C; f
- TAY7 i# h, a$ {% ]; @1 B
- LDA Bullet_Speed_Data_Ex_R,Y8 s# L. R0 `4 B, E V+ V
- STA Bullet_X_Speed,X! U# k, I, l) c" l @1 u
- RTS; s$ U& t3 y' P+ k5 V4 E- l
- Track_Enemy_Ex_X_Less_L1:
) S) A, J9 e, t" J3 P5 N ^
0 Y6 J# w, ^, l" E- LDA Bullet_Z_Pos,X
" z6 }6 Q6 [& ?- d, V - LSR
6 s$ D5 K: K# T( ^ - LSR
0 t; q% [; l- w - TAY& P0 o7 R. x* R0 X! C7 w' [0 x
- LDA Bullet_Speed_Data_Ex,Y: ~1 d* N# u: Y7 ~+ q
- STA Bullet_X_Speed,X, r6 c# v m- {" i# H
- RTS& v1 l" C' K. `& ]
-
+ v) Y$ w. G, p7 b' t - Track_Enemy_Ex_X_Less_End:
. `" u: p# n/ S+ K: [0 p& R* w - RTS
5 C( H; C$ b* O" ]1 q
' D1 P* ~- N9 ]' e I6 ~! u- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X% u I+ J; I; \$ P5 p, e/ J7 L
- CMP #$03: l: m6 T6 s2 ]% A
- BCC Track_Enemy_Ex_X_End
6 t5 M' q4 G( ?; y/ t# m - LDA $6020,X+ K7 k! U! o, d( ]6 ` ~/ h
- CMP #$2A+ h8 Z3 H: h- C* i' Z* W: G" ?8 d
- BEQ Track_Enemy_Ex_X_Greater_L1, T5 n! c1 D# L) _' @" X
- LDA Bullet_Z_Pos,X2 f1 z8 L: z' c4 N2 N2 X8 ]
- LSR
" p# i' H2 W1 a/ d) D/ b( a7 X/ A - TAY% Q$ \6 m! L k/ H3 k3 f6 {9 n
- LDA #$00& D# H9 m: [0 U" ]
- SEC
* B3 K8 C; |9 e9 u4 s* i% Y - SBC Bullet_Speed_Data_Ex_R,Y
& u( `$ S' d" x$ P+ L5 m! t, B' @ - STA Bullet_X_Speed,X2 g8 h1 o# t1 ?! l
- RTS
. b {7 a) f( T; q9 D$ U. N -
8 y0 ^0 F3 q( J: U( t - Track_Enemy_Ex_X_Greater_L1. k A; ]6 m) z- j
- LDA Bullet_Z_Pos,X
. R7 n7 d* K0 ]3 w5 L6 p - LSR' r6 h l0 N1 H' m, J! \7 K2 j* Y
- LSR
, E2 G7 g/ r$ J& n - TAY
+ K# Q( h# G- R- ~ - LDA #$007 C- |9 L2 p0 k8 p+ c! d! T
- SEC
7 n: k' c5 K$ B; K2 K) C' C K - SBC Bullet_Speed_Data_Ex,Y% ?9 k" \( L. p# } L) z. T
- STA Bullet_X_Speed,X
- H) d0 T. \8 |6 w8 B- q - RTS
P" W! L* S% E$ d+ n# t. _ -
6 y5 b; s8 T) g0 C5 d6 [0 z - Track_Enemy_Ex_X_End:' d S7 @0 V4 u1 a( ^
- RTS1 F; s5 w5 }' b" v) H
-
/ U9 w& ]" O9 O; s5 I; f! A - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
5 o% P8 W, G5 g - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上* N' E( D7 v+ i* E
- Bullet_Tract_Direction:
. G) M4 `$ L9 Q( V. O' d% D6 x - LDA Bullet_Icon,X8 Q# h8 S( D6 V! F
- CMP #$23% S5 H/ s! e# f+ \/ m1 w
- BCC Bullet_Tract_Direction_End- Q0 k' B" ` O. B
- ( W6 i: F5 ?5 ~/ M& {' D
- ; X != 0
4 a) _- I% B3 D, i* |6 M - LDA Bullet_X_Speed,X
7 ~. E3 i6 g1 J - BEQ Bullet_Direction_V' \; l, B% S D6 v: [
- ! p* z, n) p1 ^) _/ T6 W8 I
- LDA Bullet_Y_Speed,X
) b# r6 G: F& o( b1 r( f* N - BEQ Bullet_Direction_H
6 h3 B' @! J( L. a6 Y' K2 ^" b - * H; f1 Q$ O1 s/ ?2 z8 k% d
- LDA Bullet_X_Speed,X
# v7 b8 g( H5 ?2 G/ ` [- j - BPL Bullet_Tract_Direction_Right; j0 a5 z7 \6 [% m0 L |: L k% n
- Bullet_Tract_Direction_Left:
4 ?, U8 p7 f0 I3 v* O - LDA Bullet_Y_Speed,X4 l" O" j1 X7 y/ o4 I+ N) x
- BMI Bullet_Direction_Left_Top8 e# c" F+ z1 Q; z+ {
- BPL Bullet_Direction_Left_Down
) j5 n: h1 Q6 H& f - Bullet_Tract_Direction_Right:
! p0 Z; J: [; }% c0 l - LDA Bullet_Y_Speed,X* z0 K0 u I) `5 }" D6 t
- BMI Bullet_Direction_Right_Top. @0 V; S6 a2 Y/ F
- BPL Bullet_Direction_Right_Down
W: B7 P) t0 W) ^! A: s& | - Bullet_Tract_Direction_End:
0 w G+ Y& n i" N9 O+ Z - RTS; F: L" I2 G- p, y d5 x
" o; p! P3 e7 y9 }- Bullet_Direction_Left_Top:9 O% h) j8 r/ @2 G' S( z
- LDA #$25
6 a0 t/ _8 L, d0 t# C( a2 _ - STA Bullet_Icon,X
" @4 a" t: R6 f; V9 U% r" m2 I - LDA #$C0! M) J+ d2 I$ ~
- STA Bullet_Direction,X( I2 f. p- l) ?, V4 C. o* |) e
- RTS6 a( L/ J/ c7 ~
- * I; `4 u8 c8 {, G1 G- d# o% b5 w
- Bullet_Direction_Left_Down:
8 O, Q; I: T2 |" m1 X2 u1 E$ N - LDA #$25" z$ r. O% `3 @9 S0 u' P$ u' e
- STA Bullet_Icon,X
2 N2 e# r9 ]+ V& M8 M - LDA #$40
9 E9 e8 R9 f) c2 D, \) _) e - STA Bullet_Direction,X
' ^% M7 `% o8 H0 N0 J! B( W: L# A - RTS# z$ A8 M9 v8 o7 y% |( B; O+ h- _
- ]8 H. ]2 Y3 n! x: k, k& N
- Bullet_Direction_Right_Top:# W4 A4 O1 {- g4 D6 u8 U* q& [
- LDA #$25
! X& \ i4 \) ?! S8 S - STA Bullet_Icon,X
8 _; \, Q1 G5 i6 ^4 a$ r - LDA #$80% U& D* g1 T0 G* i# k
- STA Bullet_Direction,X, D5 b: B) E+ D7 _3 P# D1 i
- RTS4 H( |4 `: G y( u4 Z5 w
" z; `1 e7 `. w- Bullet_Direction_Right_Down:
( R. {, [6 q; b+ g7 ]/ X - LDA #$258 C$ z& v4 U2 d( x
- STA Bullet_Icon,X4 Z7 `4 W; e6 B; M$ Q7 n. _- k
- LDA #$00+ o) |3 C9 d3 D( w2 |
- STA Bullet_Direction,X) |* o0 w. {& @* k9 t
- RTS) J) P0 V+ v; s8 i& E
- 0 V! j1 l; D8 J9 W9 j
- Bullet_Direction_H:
0 |6 {6 c$ z% P% m" q! u5 p - LDA #$24
4 n; u! l+ B) T% J - STA Bullet_Icon,X3 b' E- ?6 w; C5 ]/ J
- LDA #$00
0 G6 q% \, U+ S; b5 d9 [8 y" ~ - STA Bullet_Direction,X4 N0 W! k; A0 C& Y' Q3 G0 a- @
- RTS6 n6 v0 j Q# o; {6 _" G
- . I# Q( {+ i" D5 X+ r% K% K& c
- Bullet_Direction_V:/ M8 M; R& Z( K
- LDA #$23
* l; Q7 M: `8 j2 U! O+ c- ^ - STA Bullet_Icon,X) r9 {6 U$ | F0 E" @
- LDA #$001 S; ?, M& I o5 A# ~1 U4 C0 s
- STA Bullet_Direction,X! d. |# g. I' B& b& k
- RTS
E( P" o u) A5 I$ q+ c
Y4 A: c7 U( l, i7 N- Bullet_Speed_Data_Ex:
1 U/ A6 Q7 _+ B4 ]0 c# _9 b& m# T - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
5 B2 x3 e5 N8 Y* L& ]- V - + o9 d' X4 r. t& s5 Q3 {8 T
- Bullet_Speed_Data_Ex_R:
$ H/ V: f) i% z" M+ o* p; `9 Y x - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
5 i7 J& q8 g3 Q -
复制代码
& {9 d: s- w/ \/ K; I8 W1 \7 B, V: }- g
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