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[FC][魂斗罗][J][追踪弹]; J6 x6 S3 M8 G: u
7 p' f! y4 {( B* P4 Q7 k' b时间:2023.04.30
# `" U3 p ]5 D1 l2 T+ Q作者:FlameCyclone
5 {- j$ |& E( A# Y8 S, ~, R内容:9 S& s- J1 P9 ^! p8 X
1. 所有子弹追踪敌人$ d4 p d# r* d
2. 选择键切换武器0 ~! }, ?* r3 F( _, F7 n
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0 L3 B7 w! b3 |6 d' g, [
% [. M7 M6 K3 o5 @; S& C* Cflamecyclone.ys168.com4 w* f1 C. y$ m4 r0 B
* v+ m7 O4 u* j4 y6 Y- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁6 Y1 K. f$ R- k! P
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
; H9 c2 v2 L& \5 J! \2 A5 Z - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
' x$ g5 Q1 p# ], S - - w4 J5 |: V. z6 Y* c
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
( B8 Y$ p7 m* a - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上. l5 a- q( g ^6 J5 g4 }0 @4 J
- 4 G: L$ \& u6 C) T0 ?8 _) Z1 A
- Track_Enemy_Index = $6000
+ @, R% Z! g+ a% u: N d - Enemy_Index_Begin = $60109 H9 ]8 T7 ^- w! ~
- Enemy_Index_End = $6011+ n" h7 |0 ]) e( ] o
- 8 \) N% M# d; e e
- Loop_Index_I = $6012/ O! K% S8 t8 G% o4 e7 U" B
- Loop_Index_J = $6013
7 R5 E0 I2 G7 z7 e% z# { - nEnemyIndex = $6014
' V; N( \( d! E% ~7 D" q0 N - Data_buffer = $6015: C g2 u3 R+ q5 q1 d4 _
% O6 ]! E: t- G/ K! k- Bullet_Y_Pos = $03B8 ;子弹垂直坐标. [" O( y9 Y; c( c
- Bullet_X_Pos = $03C8 ;子弹水平坐标
* t6 [" m$ n2 n8 D - Bullet_Y_Speed = $03F8 ;子弹垂直速度3 q; _7 ?/ M- i2 e# z
- Bullet_X_Speed = $0408 ;子弹水平速度) u8 |9 e0 ^1 K9 E" c. c: ~+ K! H, J) l
- Bullet_Z_Pos = $0418 ;子弹Z坐标# _: i) V( o5 [0 F/ ~
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P8 R. Y/ v4 z" U7 m
- & _9 Z5 d# D% V
- 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
* Y# O# [* ~) K1 C - Enemy_Blood = $0598 ;敌人血量( v" ^! L+ S7 ^+ q# W: U
- Enemy_Type_Addr = $0528 ;敌人类型
6 d4 l. X7 ~ W+ c; N - Enemy_Blood_Addr = $0578 ;敌人血量% ^- n# Y6 k, Y0 l
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
0 W }* u+ `& \* L! h' m# R - Enemy_X_Pos = $033E ;敌人水平坐标9 M* f7 s: L, M$ \4 ^. n* N
- Enemy_Y_Speed = $04E8 ;敌人垂直速度0 P$ z+ u3 }" U
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸; b) W2 |& ~" L. o4 ?$ i! D
7 J* K+ n6 W( N: a. j2 i# y( O- Enemy_Index = $83 ;
8 n( I x Q+ f( T) Z) X* b - Time_Count = $1A: j4 m8 m3 g0 ~8 _! f8 E% l
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
5 {: f. [- n7 i. F& N1 @ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
# z: N5 E1 o) p9 A E* k/ Y# |& A
. P# ~/ B+ {& `9 U3 |4 Z
- P. O! Z" d( v3 I- Q( i- .ORG $61009 K F" Z2 u& G+ _( [8 h% {
- Process_Begin:3 f, B. L3 c7 I; X# m& x+ b2 K- A
- JSR Enemy_Check5 x8 @' w! k% ?7 {& P
- JSR Track_Enemy_Check
- g8 ]' f; z/ `# x8 V4 K9 r1 h# Y M5 z - Process_End:. ?- L3 c3 Z# l/ F: J
- JMP $E54F
! p% d; {$ X0 Y( K8 T& }' q/ D4 e- R - 9 u! a" @7 [ u' m: f
- Enemy_Check:1 P, R7 e. b: B8 N" ]9 R/ W8 z3 p
- LDA Time_Count
+ U- ^$ r' d0 ~* P% ^; ]1 @( f - AND #Track_Bullet_Speed
5 |# j$ \7 b [$ D- S1 u/ r - CMP #Track_Bullet_Speed
) d7 K8 [( Y. b; Q% {0 y - BNE Enemy_Check_End7 k, k6 d3 b S- p$ K
- LDX #$0F+ F! A1 O$ b7 g8 a
- Enemy_Check_Begin:: P) O3 Q4 y7 a! y' m5 E
- LDA Enemy_State,X3 R D# ~( u7 M: h1 @# o" j" T) U( D
- BEQ Enemy_Check_Continue: Q% E6 `4 B" t) V" {1 M6 _ b
- STX Enemy_Index
3 @# P& g7 w9 q8 e - JSR Find_Begin_Enemy# B, y4 G: S _; X& I% Y! L) m
- JSR Find_End_Enemy
* R. X7 f4 c5 I* B - JSR Bullet_Track
( W7 m3 \( ?- n0 G -
: |3 x7 \9 D0 z5 l; x1 `) b& u3 p - LDX Enemy_Index
* O* P. V: ~. O0 Z: I& b - Enemy_Check_Continue:5 A3 ^" D+ c; c; x0 u" E3 R
- DEX) Q9 ~ C: U- a" t; {: S
- BPL Enemy_Check_Begin
& K' ^$ x6 L" f Q/ n - Enemy_Check_End:3 _8 C! K4 M" }7 g/ [
- RTS
3 o2 z) f- ~: L D - # H9 n: ?) N+ A7 z2 Z ^
- Track_Enemy_Check:0 W3 J; n5 S6 f
- LDA Time_Count
8 ~& t6 C, T5 w7 L - AND #Track_Enemy_Speed) J: W+ M8 Q1 s( l
- CMP #Track_Enemy_Speed
$ i) v! O0 Z3 e+ }8 F6 C - BNE Track_Enemy_Check_End
, |: F- E' v$ s+ W( s6 B - LDX #$0F8 J+ Z4 v# B( x+ Z$ j$ y o
- Track_Enemy_Check_Begin:
" V# I# K5 u! z+ m- l* p4 w! J - LDA Enemy_State,X' Q+ y: T3 B) F: H: b
- BEQ Track_Enemy_Check_Continue1 q! I) q8 Z- \+ o
- STX Enemy_Index
) D+ }7 \6 |5 f5 S - . r* F( y5 [, O1 C
- LDA $40# k5 ~3 d0 i# Z5 j' _1 ~
- LSR% O, u& P { g9 V
- BCC Track_Enemy_Check_Begin_L1' i5 S; ^" O$ j! F1 ]6 i3 T! \8 R
- . Q! N$ p9 f! y7 I) s* D# V7 \
- JSR Track_Enemy_Ex ;2, 4
! m, F+ J7 L2 [( a3 x - LDA #$00, c% |, z: Q5 Q) c% p# v
- BEQ Track_Enemy_Check_Begin_L2: Q5 O1 G |) L! O( n- ?
-
7 Q# T1 l; `, c0 F! a - Track_Enemy_Check_Begin_L1:5 l7 g6 {& [0 V+ G5 C
-
0 |+ u. `% L' Y" S( P$ x - JSR Track_Enemy
* P# p2 t3 Y) m3 @1 [% b, X
k8 u; w6 P! h% [" B- Track_Enemy_Check_Begin_L2:. Y8 h" E4 s! ?" q
-
+ l# @1 M! L3 k5 G - LDX Enemy_Index
& k* |/ e( z; ?+ C+ i - Track_Enemy_Check_Continue:! r1 g0 Q9 o1 Y7 B3 z5 `
- DEX
7 ^% t' H) ?! d4 I0 V# p - BPL Track_Enemy_Check_Begin
7 K! }- T& g1 m# N% d# [# n - Track_Enemy_Check_End:
$ a" f" T! K* F2 L - RTS
3 \* J& h, r9 w - 5 t. j2 a/ Q* ?' D
- ) n E' `+ k! V \! p' [
- ;查找第一个敌人
7 v' K; ~9 W# A - Find_Begin_Enemy:$ ^% C" Z: o6 J; ~5 a
- LDX #$00
+ x$ U& M! c- W. d) f7 O; n - Find_Begin_Enemy_Check:) u3 _9 F7 D0 l& H( E4 g s6 O
- LDA Enemy_State,X: c- T$ B* G( _" N6 A8 T! |
- BEQ Find_Begin_Enemy_Check_Continue
- n, q T& z2 P - LDA Enemy_Blood,X; F; z: \% f9 w2 u1 y2 k
- BMI Find_Begin_Enemy_Check_Continue
c6 @9 B+ ~* h5 W/ O/ t - BNE Find_Begin_Enemy_End
8 `6 ]% }7 w0 {3 m - : h, J9 V: R2 }3 F( W( Z
- Find_Begin_Enemy_Check_Continue:
# ?5 `% Z. K4 l* C" v! Q - INX- F2 a% t; e/ J! G5 g
- CPX #$10* H( \( H, G1 f8 i! x: w0 o
- BCC Find_Begin_Enemy_Check4 R+ C% [+ U; c
- Find_Begin_Enemy_End:
& ~$ B+ e' H3 c7 H - STX Enemy_Index_Begin& S7 k0 @: p+ J
- RTS
) d7 c4 Y; q7 d) O% ^ - & a' _7 O1 @) ]5 K5 C
- ;查找最后一个敌人 ^2 T3 t, n8 B, A, {5 l
- Find_End_Enemy:# H* C2 ^/ W; C7 y' O: [% Y
- LDX #$0F
/ T w# _; f8 D - Find_End_Enemy_Check:1 d% L$ o9 P/ F* A& |1 f) M) O
- LDA Enemy_State,X. s+ w2 {, a' v% ]+ l" c
- BEQ Find_End_Enemy_Check_Continue# T: y, q- P+ M* l/ p
- LDA Enemy_Blood,X
k7 I% z$ E& A4 |; A- c. R - BMI Find_End_Enemy_Check_Continue6 `# I% n2 p" Z7 ]
- BNE Find_End_Enemy_End- z4 i) \$ `. y+ D2 f
- 4 a. F6 \: ?0 Y: _6 |1 N" ?1 U
- Find_End_Enemy_Check_Continue:: s+ h3 i* y% `
- DEX I( W# s) V- J" d
- BPL Find_End_Enemy_Check) }% q# Y! b# r9 g+ `# v; W" ^! |
- Find_End_Enemy_End:' b, D( O! D* e3 V4 T5 x9 l7 `
- STX Enemy_Index_End- J0 a) V: j$ i. O
- RTS# f5 E; M' K3 L5 ]7 j2 [: [
- ' d; w0 X) K& O9 h; ~
- ;子弹追踪% a/ I( t- K& q/ y7 _4 z
- Bullet_Track:
; ^# U( _* d6 Q; V4 a6 k% u" T - LDA Enemy_Index_Begin
3 z" m# i. c# b! t8 ~( Y - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;) M8 F$ l* r6 ~* ^ m" M3 J& [
- LDX #$00
`& F$ y1 O- c - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
4 T1 U& L9 U8 \8 f3 O' ?' X - LDA Bullet_State,X
6 c1 s$ p& x6 N( C& T - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;& i9 ^+ `& n7 R% X- f
- STX Loop_Index_I# [1 j% A& z8 _
- ' l1 y/ O3 D& Y$ `0 ?
- JSR Bullet_Track_Enemy
+ U5 C3 C' [' R1 j+ V - JSR Bullet_Tract_Direction
4 t) x$ q& q2 p5 n* p% s m - 9 X& U9 I" i) h+ l+ N5 r
- ;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# e. P' Z/ n- c% y, z
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
- D4 V2 a$ l T4 G% p( B! x. f - LDA nEnemyIndex2 M ?2 h+ {9 t
- CMP Enemy_Index_End( |8 ]* V5 S+ z0 `4 H3 x
- BEQ Bullet_Track_Check_Continue7 s2 |- Z% J0 Y5 W1 O4 M. W
- BCC Bullet_Track_Check_Continue0 ^- C ~7 [# T; }9 _) D
- LDA Enemy_Index_Begin
) @% P/ L% Q/ `4 E$ r - STA nEnemyIndex6 p: v7 U. `) X5 v3 O' Z5 u
-
# c$ b8 F; r. _1 E# @/ _" H; ~ - Bullet_Track_Check_Continue:- z* t' N% m- k% n' M8 I1 |9 @
- LDX Loop_Index_I4 F7 c0 s! y3 h; u/ C! i
- Bullet_Track_Check_End:5 {% C9 S6 a. z0 \* `
- INX9 d* Z, u6 o) y( P" P1 D
- CPX #$10
# Q( M- T8 h- X4 L/ I9 N - BCC Bullet_Track_Check$ e! A# N$ e0 z3 F
- Bullet_Track_End:/ X3 |! p$ c: s
- RTS
( K! [# ~! E" l0 o" V -
% X; T6 I7 ]' K - ;给敌人分配子弹
3 N) e7 H2 j' e6 W - Bullet_Track_Enemy:' B/ J: R- x6 [7 C @
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
: r; b& t t) p" U* m - Bullet_Track_Enemy_Check:
5 @9 }* m8 Z3 q3 b& ^ c - STX Loop_Index_J7 m3 u l# A* Y6 J- q" d
-
8 G9 N" e! K( m - ;if (0 != nEnemy[j] && -1 == nTrack[i])
+ [) C0 ]* z) @7 R: T. O3 k - LDA Enemy_State,X
6 U a& e+ M2 ^: Y0 q, k6 l - BEQ Bullet_Track_Enemy_Check_Continue
9 _, K2 |: l& Z; Z - LDA Enemy_Blood,X
- W& D( O9 Y3 O0 |6 L; M7 v# L0 \ - BMI Bullet_Track_Enemy_Check_Continue
8 i! d1 x5 i4 A* E - 0 p. H C+ E: ?
- LDX Loop_Index_I
$ Q7 \, i9 X( c% H - LDA Track_Enemy_Index,X
, k5 a; M; ^ B) E+ \8 I$ V5 |& Z: E - CMP #$FF
! m9 ?* j8 b# s% K/ U; } - BEQ Bullet_Track_Enemy_Init
- k0 I' B: q l& _$ ~) `# E - : t3 E, m6 E3 ` W$ l: ?
- Bullet_Track_Enemy_Init:
4 U$ I5 p: t% g - LDA Loop_Index_J
$ t/ T; H+ s; b3 C$ W - STA Track_Enemy_Index,X ;nTrack[i] = j;4 c5 C- h1 L) i9 |! x* @
-
/ d; U" g" X t - STA nEnemyIndex, H. L F9 D* l$ B5 X {
- INC nEnemyIndex ;nEnemyIndex = j + 1;
3 L v1 S# Q. _1 e. H4 [ - RTS ;break;
8 O% b4 a+ H0 _7 @) S6 _6 Z; N - - G, p8 ~& a( k
- Bullet_Track_Enemy_Check_Continue:7 [4 B: G- z. p+ ~6 [$ o2 `
- LDX Loop_Index_J
' x- P' A& c; |& H - INX ;j++# d& o; \6 I m/ r4 d' [! p
- CPX Enemy_Index_End
2 C% g) Q( E& D8 y( _ - BEQ Bullet_Track_Enemy_Check
# d; [# r; j" t! ~. y - BCC Bullet_Track_Enemy_Check) C; `, ^$ R& @' O
- Bullet_Track_Enemy_End:% Y; _9 o% w; I- r5 J
- RTS \( c! w' c& i5 G0 p0 z& p T, C0 b
2 _4 P$ V4 }0 F+ }, Y2 h0 d- Track_Enemy:3 t/ T) i+ Z8 ~8 w& }
- LDX #$0F) p# o$ o, X7 C. F: P+ f% z
- Track_Enemy_Begin:# o! g" w8 F4 D" I4 W2 u- O
- LDA Bullet_Icon,X
4 j8 ^5 {! K% N. v3 |9 U - BEQ Track_Enemy_Continue- h k- @: h. p" ^& v9 E% G; _
- LDA Bullet_State,X( v# n0 C O) R* z; Z C8 |
- CMP #$015 a( k+ y$ A; N# \2 N
- BNE Track_Enemy_Continue
$ a, J- f& e4 ?7 J- \, \- p - 0 f1 u/ G0 z, l2 X
- JSR Track_Enemy_Process+ R: _3 X) A# p4 U6 v: \
-
: F3 J- J6 h5 Y! G5 Z) V - Track_Enemy_Continue:
" |$ m4 k1 \1 j& [0 d, t) r- V* z - DEX' r e7 J. n) l7 Y/ P( Z: G
- BPL Track_Enemy_Begin
# K9 \7 k6 u3 a; o. N3 _ - RTS% B% Y7 }* g5 ^; G2 P, \
- ; ]/ H9 j9 b6 l% U* g
- ;普通关卡; c% _$ p5 d0 Y: c
- Track_Enemy_Process:
8 y' x2 d, U( O- K1 x& \6 l - LDA Track_Enemy_Index,X8 h( x5 e$ r# C/ G$ m3 [' _1 a; j
- CMP Enemy_Index$ q) ~& s) r/ x! v( o+ h
- BNE Track_Enemy_End) u% B& J6 j, r$ G: [1 T* B/ R U
- LDY Enemy_Index$ C4 p% b; `# F1 Q9 P4 k6 Z
- JSR Track_Enemy_Y/ b4 t- \& I4 R
- LDY Enemy_Index
4 }* N* B* C' Q( h - JSR Track_Enemy_X8 p7 N1 _' x1 Q6 W4 ]
- Track_Enemy_End:
, D' K% ?. y* Z m+ f5 Q3 ^+ A - RTS
. [4 ~/ L: B- R - 2 V2 d+ r* e5 a2 t( L, F$ }
- Track_Enemy_Y:
/ k. n2 g2 `$ s6 _6 `8 M4 `' _, c - SEC0 W" z; l6 i# H' m, y+ p
- LDA Bullet_Y_Pos,X
& `& ]* a6 ^& A+ Y7 a1 }( \ - SBC Enemy_Y_Pos,Y9 C7 g% u! |8 W
- BEQ Track_Enemy_Y_Equal
8 z* H! K' \4 h# \ - BCS Track_Enemy_Y_Greater# g$ {! J9 k2 J1 }/ W
- k! F( d$ m- G4 v' E8 S
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y! u1 \* J) Q9 I2 |% F3 P
- CMP #$FC
" C- q) U3 h6 L& s - BCC L1_1, \ M& D5 P$ _) t( {$ G3 D8 O7 [# f
- CMP #$FE
$ O. p6 g0 b" T8 K) Y - BCC L1_2
" {) S) N% i! _) L0 I - LDA #$00
! ~6 V9 D6 b+ ~/ y+ [. E - STA Bullet_Y_Speed,X n3 t* D6 l$ t: Y' C
- RTS6 _) y; Z* Q/ B+ t
- L1_1: 1 l. {9 E! b8 l4 f9 p( n r& V, @
- LDA Bullet_Type,X9 N- j* q3 L5 B# t. Z3 q) {' G
- AND #$0F/ f" x. G+ d- B0 I" d* B
- TAY& R- w9 n6 [# I9 g( H
- LDA Bullet_Speed_Data,Y$ x e! n* D4 b, d0 v* M
- STA Bullet_Y_Speed,X9 i7 e" T" X* J
- RTS
/ n: ~6 T+ N/ u
# X) G/ \& E4 R2 C+ D! o8 A4 A- L1_2: $ ]( e: A( s5 a# w% O
- STA Data_buffer+ Q8 e6 w5 V+ S/ ^( z# }
- LDA #$009 {9 z+ s3 J- O5 y) m, e) N; q
- STA Data_buffer
5 `3 t5 y8 [/ v' j - LSR
- R( b, S1 H D - STA Bullet_Y_Speed,X. a' H) f3 g1 a% C% ?9 {. n1 b: N
- RTS* R+ G& J2 T8 ?: j8 q. y, R0 K
- ' O5 r6 O2 |& N- u) B& P, l
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
3 h9 u) K' @2 p6 l7 G( R - CMP #$046 \" F2 P( R3 H' d% W/ `
- BCS L2_1
+ [% I; t5 f" y2 d1 Z" t0 [( R - CMP #$04. Y" R' { s! Q7 W& {3 t
- BCS L2_2, |9 |/ W+ o( S, |" Q' _2 }
- LDA #$002 x2 k7 y4 N: {
- STA Bullet_Y_Speed,X
; e9 Z- ~( l+ a) n9 \, J - RTS' O4 r- i% K( t3 \/ E+ u
-
+ k+ H. C/ G/ |( M+ r# g5 _ - L2_1:9 c3 m6 I' p: p$ u. s
- LDA Bullet_Type,X$ N* z* q: E% X: p
- AND #$0F
) Z, H' j) a: J. s - TAY% F- L4 P$ O# U* p! X- L& {- W4 }
- LDA #$00
( U4 N' W+ R9 V3 e - SBC Bullet_Speed_Data,Y2 J( W5 s' [% }5 C$ ?! Y- z
- STA Bullet_Y_Speed,X
- g% E( B' X$ k) ]- Z; | - RTS6 q% N0 c$ y' I$ X$ X( I
- 6 @, d }& c+ O0 T! G) J
- L2_2:" ^# J/ z1 t7 \- X& J: s ?
- LSR
9 E3 s# b, s& [6 E" V. c& ~' u - STA Data_buffer4 `7 j, J, u9 D& e- q! S
- LDA #$002 F# {6 }* t/ x; C
- SBC Data_buffer! X7 ~4 R- V" |/ a1 \. T
- STA Bullet_Y_Speed,X
) ]$ ~, w) T# a - RTS1 K5 Q& S0 q9 u6 g$ W3 _' n
-
. J) f! {3 {5 @& H, R, g1 E, n - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
/ t6 ?6 k) w/ R6 U- H! K7 ^/ o - LDA #$00/ q$ ?" |4 `. h: }, x: \& i5 h
- STA Bullet_Y_Speed,X9 ?0 q2 ? ]; F: E
- RTS( C7 z/ F5 q' L+ z: [0 g) k/ @4 R
- 7 o9 W& u( @9 y1 A$ D7 V/ w l
- Track_Enemy_X:1 ]/ J; g1 {. K+ I0 k
- SEC
$ V$ i: W# _/ W1 U - LDA Bullet_X_Pos,X& d2 I' {: S: o; L
- SBC Enemy_X_Pos,Y# ]7 H8 d. I/ R
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X) i, u( B( G. N; z: F6 s
- BCS Track_Enemy_X_Greater ;子弹在敌人下方7 O7 q+ Y4 V6 a4 p" W
- * Y: P! r, ~( [& Q& B1 U
- Track_Enemy_X_Less: ;子弹X < 敌人X+ ~3 [, ]. t1 R" J
- CMP #$FC% [1 D0 J/ a7 P
- BCC L3_1
/ H9 |9 O/ e2 X - CMP #$FE7 b6 Z. s+ u5 A; x( z1 P! k
- BCC L3_2( N6 o& m* r0 G& w
- LDA #$00- A3 C2 D! R5 d" y) q: {
- STA Bullet_X_Speed,X0 f a0 `! q/ }' H$ Z' g
- RTS4 k' u) K7 M+ i" M
- L3_1: . C; }/ \9 X0 y$ N3 v3 A' J
- LDA Bullet_Type,X
h6 ]( H3 u0 s U) j1 I+ | - AND #$0F
/ z1 K ^+ u% D+ P9 S3 x - TAY
% g% s. h- _4 e; U4 ^% s& G" s - LDA Bullet_Speed_Data,Y
, Q2 y" @" I! y% t4 j - STA Bullet_X_Speed,X% B" U7 A/ G3 D5 y9 i( q9 ~) y/ n
- RTS
% X$ J: s+ R6 X' L) E/ T9 J2 J - L3_2:
) ~" c+ k$ i3 \+ {! v - STA Data_buffer
0 w" ^+ Z4 U& q - LDA #$00" h5 r/ q) o+ B: L0 w3 n( J
- STA Data_buffer
1 q& T, L) ]3 P1 i0 ?2 `! {) x - LSR& q7 ^ v0 A' N# U$ C7 @
- STA Bullet_X_Speed,X) L& F* R5 I3 `" c; A
- RTS% e) Y# l$ T: F$ S
-
8 _, q( E% w+ ~7 d! y9 }7 a - Track_Enemy_X_Greater: ;子弹X > 敌人X
8 I0 S% l% V; _+ |. K3 n - CMP #$048 ^6 l6 M9 D4 h# e$ u
- BCS L4_1
. }+ V) G. H* }" Q. [: Y - CMP #$02# \: U z* R* Q7 `
- BCS L4_2
2 o9 Z9 v5 j' k+ v - LDA #$00( c( z/ W: H; L6 w0 p- q1 p
- STA Bullet_X_Speed,X
" H) F" D6 r2 Q5 r - RTS
& G! }$ q8 x' D! |# k5 d3 q9 Q -
% G4 |6 g5 c0 q X- D - L4_1: " @4 m* x. x# E8 I
- LDA Bullet_Type,X# `- p7 E( T1 ~& s$ Z
- AND #$0F) l6 Y5 K0 _# P' p
- TAY( Z7 h& _: I3 h( {* Q
- LDA #$00
- m( ?8 j$ w* x) R; @, s - SBC Bullet_Speed_Data,Y
5 E9 ?. `; ?, O% }/ V - STA Bullet_X_Speed,X
3 j! Y6 d0 d/ E9 B - RTS
9 l2 E2 M# `3 Y+ {4 B6 k: F$ ]2 S5 v - L4_2:
: r Q9 x0 _6 v2 U- v - LSR5 M* z& D- v6 a) i
- STA Data_buffer& W z* o" i% s5 v6 K" Z" U
- LDA #$00
& x1 b: u$ K7 a. N, W2 \ l D3 [ - SBC Data_buffer
3 r6 e/ g/ F" [0 a2 j. a - STA Bullet_X_Speed,X: G j8 a4 X* S* b# H
- RTS
( z* D, T& I# P% \$ O1 S, ~8 D -
, @: J6 t- R% h( G - Track_Enemy_X_Equal: ;子弹X == 敌人X3 p0 ^6 u Z" N4 f
- LDA #$00# c) U; d' I" `# z$ o3 C' O/ T& l
- STA Bullet_X_Speed,X
/ O* i% l3 g# Q3 n+ D% s" m - RTS4 I# G0 t% `0 _; f& U5 {
-
; D; b* r) _/ S S - Bullet_Speed_Data:
5 i- ?% x; e9 q* D* P; u& O - .DB $00,$03,$03,$02,$03,$03
* M3 S1 }+ k7 x - ( g+ w }4 q' }7 P% k" O P
- ;2, 4关
5 Z5 v' X7 X5 F9 c1 x2 q - Track_Enemy_Ex:
% a/ I1 Y3 V- \# C: v( r* k5 y - LDX #$0F
; Q* P; m- \, j$ b) N - Track_Enemy_Ex_Begin:. O/ u$ J% ~$ M9 p7 K8 s4 X
$ \$ M7 C0 B/ ]% r% p+ ` C8 J6 h' i+ @3 x- LDA Bullet_State,X
9 Y" c, B" n% Y3 C- q t7 G - CMP #$01
* o! l5 i& n) F. A! t - BNE Track_Enemy_Ex_Continue, g( z: \- V) A' F7 {
-
( T* |8 l. z1 n1 x - LDA Track_Enemy_Index,X6 H1 K6 c& |. Y# O
- CMP Enemy_Index7 [6 L3 R+ i$ \# k, _) J
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标8 p% `% `. {2 p) c1 N# E" \# e3 q
-
; `) L$ B }% I3 W) Y) L. s" v - LDY Enemy_Index
0 q. m' d$ G, Z+ W% n8 a/ X - JSR Track_Enemy_Ex_X3 l' Y7 s" \( O( M
-
0 L9 |* L+ H" H8 U- S4 K - Track_Enemy_Ex_Continue:
0 [% L- W( k# x - DEX
2 z- I. r8 T% B4 u. O+ a5 v - BPL Track_Enemy_Ex_Begin( r. ` Z$ _! r* [+ A* U# O7 n
- Track_Enemy_Ex_End:
9 y! e Z& ^% r. _1 f; w/ }+ }" c - RTS- Z, q& Q. ~* J5 Z. k, [
-
7 k0 ]& x" ~7 K7 d - Track_Enemy_Ex_X:
9 M R# s3 _: r2 d6 c6 }7 v - ;LDA Bullet_Z_Pos,X: o+ Q5 Y3 J1 ?8 ] o& p5 J9 f
- ;CMP #$04" q( L9 v* g5 k# k
- ;BCC Track_Enemy_Ex_X_End
: y% y7 t) t, k+ r1 Y- P2 u - SEC
1 P j' A Q2 B1 b5 v) ?. z - LDA Bullet_X_Pos,X& r" u. p8 J: e) D
- SBC Enemy_X_Pos,Y' a# ]4 @6 H/ f; S( U
- BCS Track_Enemy_Ex_X_Greater j- K! D, ^# R0 D% {+ @
- 5 w" A# g3 A4 m B, g/ b
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X6 M& a# C, E: \
- CMP #$FD
! K+ V! Y( i+ k, m) Z - BCS Track_Enemy_Ex_X_Less_End
9 O |- T! A/ Y; m( c - LDA $6020,X
7 D+ R1 w! b) |( H' r- c6 D - CMP #$2A
8 I4 z1 @: a9 X9 t3 Z - BEQ Track_Enemy_Ex_X_Less_L1' T& o8 z8 C) T5 b. o1 p
- LDA Bullet_Z_Pos,X7 C% X6 z7 I* S( ?, P
- LSR3 R4 W- @" K7 T& B/ r6 k9 O
- TAY* `/ w' d4 U9 V* m; }- n
- LDA Bullet_Speed_Data_Ex_R,Y
7 Z- t6 l7 f+ a4 X - STA Bullet_X_Speed,X
8 `8 r3 |* M$ Y" o - RTS
# U+ g+ @- B# l- z# o7 `8 y/ U# K - Track_Enemy_Ex_X_Less_L1:
) Q3 W4 l/ }% h* P+ ` - * a6 m% w& Y% x. a. X
- LDA Bullet_Z_Pos,X5 c; O5 I; m# L$ ^, O
- LSR
0 y3 I: {5 J- N( ?) w! y% X - LSR
6 k1 w M% |" q2 h2 v9 f5 m - TAY( |4 i. }4 E5 ]
- LDA Bullet_Speed_Data_Ex,Y
- \8 u6 |: }+ |' A# y7 j; g - STA Bullet_X_Speed,X
) j- X( s b# P3 y' \8 _ - RTS6 }3 x5 [! p3 P) P- |6 r
-
* K) m8 ~0 D* P$ \$ x9 [0 |: D: @0 g7 K - Track_Enemy_Ex_X_Less_End:1 [4 o! A) j) S& l! Q
- RTS
+ O9 x) t9 u0 \9 l! Q: k+ L+ l2 G5 J - ! Z- h6 ^0 c6 `/ y' O7 e% y3 p, T
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
& h$ J1 C# e3 b" j0 l" x/ T8 t - CMP #$03
( `" P' q; K8 O# m2 k: g - BCC Track_Enemy_Ex_X_End3 |1 K: G& ~/ T7 O
- LDA $6020,X N8 e9 N, C% S6 A
- CMP #$2A
# D( H" g9 i: a' \7 G - BEQ Track_Enemy_Ex_X_Greater_L1
3 P8 Y$ S6 j$ t" J3 I3 U - LDA Bullet_Z_Pos,X
. I$ \2 B% D P2 i - LSR" V) L& Z, k5 a7 W
- TAY) k( r3 f/ k) e5 E
- LDA #$00
) f) [( {& T; |, y1 J - SEC$ b R6 P5 f$ _, C
- SBC Bullet_Speed_Data_Ex_R,Y7 [ g) x0 G: @" b1 O6 A
- STA Bullet_X_Speed,X6 J& `7 C/ W2 E0 M# Q, m
- RTS# _# _7 x7 F) U+ F
- ( d, s8 y* N7 ^6 c6 Y3 Q/ c* ]# _
- Track_Enemy_Ex_X_Greater_L1
8 Y0 p1 E) ~3 ?8 v - LDA Bullet_Z_Pos,X1 k3 ]# C; f( J4 g, S3 T" S& N
- LSR
% e; ]( G/ q8 H3 Q2 p - LSR- r4 b6 Q; R& V3 z8 m; j* Q
- TAY8 p9 z% K2 P+ t8 W- ?& b) i) r8 X
- LDA #$00
! U5 e: t5 k7 Y5 ] - SEC
' B7 _2 D4 `. n$ v - SBC Bullet_Speed_Data_Ex,Y: b/ f$ J& G C% }# D1 r
- STA Bullet_X_Speed,X
& J$ w$ _" b/ L8 ] - RTS% r& S+ W( I# b
-
2 e4 ~( Y" F3 ^2 n! w1 _, g - Track_Enemy_Ex_X_End:0 q: t( A. A" L
- RTS
5 ~) V& e3 p A" r _$ W- ] - 8 Z: b, }0 J; A. B/ j v8 `: ~
- ;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)
! Z/ s5 c9 o5 R" w( W: z - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
* e3 g' s: L! I4 y# ~% u0 } - Bullet_Tract_Direction:
5 k, \ s, C* k$ X' i' N+ @/ ^' _ - LDA Bullet_Icon,X0 w' v2 z# J4 Z6 ?
- CMP #$238 m/ K, ^" K, S F4 F) t
- BCC Bullet_Tract_Direction_End
% M( s! T1 U4 l( S' s1 ~, n - 7 s7 P/ P o- n+ V: f
- ; X != 09 E* P v6 ]4 t/ M7 j7 L
- LDA Bullet_X_Speed,X+ F/ H: A: b7 e; e. K
- BEQ Bullet_Direction_V
* e Y' \1 \7 W( n' w. \( A+ q6 p -
& B( q6 r1 q) z/ X4 ~, H, d - LDA Bullet_Y_Speed,X: z( T$ @8 N. C0 \, l, W! l" \' X
- BEQ Bullet_Direction_H! Q* u, ~; [" G3 |8 } w" ^
- " T1 I( Q& v0 `8 N
- LDA Bullet_X_Speed,X
- m! t, x% O/ u$ I! C( M - BPL Bullet_Tract_Direction_Right
2 J! b. K8 @: A: @ - Bullet_Tract_Direction_Left:6 s# \6 k0 O7 k2 U3 ?% e: _9 s: V
- LDA Bullet_Y_Speed,X
0 N" o4 n6 f u6 ]- |$ Y. { - BMI Bullet_Direction_Left_Top
2 w6 j2 s4 F% S* n. F+ d6 N - BPL Bullet_Direction_Left_Down
% \9 g/ T: x& y; M& s - Bullet_Tract_Direction_Right:
- o5 [( N1 o6 ` - LDA Bullet_Y_Speed,X( ~* M: f( e% \# g
- BMI Bullet_Direction_Right_Top
" ~, `; M4 s+ b4 O& D/ I* ^ - BPL Bullet_Direction_Right_Down/ r+ y4 x6 e( ?: T0 ~
- Bullet_Tract_Direction_End:" p9 s/ D( O8 A7 q
- RTS
0 W) X( S" S' O4 A2 y5 {
, i; M. S$ l b- @% O) @$ K% @- Bullet_Direction_Left_Top:
. i6 p/ {% F/ h9 D& \. { - LDA #$253 j c3 f/ U! w
- STA Bullet_Icon,X; [6 G. F: R8 T/ [& S9 `
- LDA #$C0
7 A9 y) Y4 C, J. _7 A& g8 ]" ?' ~ - STA Bullet_Direction,X
1 J6 G% x4 k6 q: q - RTS" q" f: ?+ o! {7 J2 f# o$ L
0 S% s8 W$ q+ K) s3 @- Y8 `; W- Bullet_Direction_Left_Down:
; D$ G3 m6 W" p: t$ u+ e3 g" j - LDA #$25
6 R# M, \9 j: ^5 i8 U( W5 X - STA Bullet_Icon,X
! A* Z$ h: h/ P: L - LDA #$40# ~! L. V+ r3 s1 x9 h. p
- STA Bullet_Direction,X6 y6 p0 k; t) f" e
- RTS: W8 L4 e1 W& z1 K9 X) X
- % ^. R6 D5 m' V# n9 i. V
- Bullet_Direction_Right_Top:
* B7 s5 g# D! ~ - LDA #$251 c( d9 {( ~ w& k. }$ C
- STA Bullet_Icon,X( n; W; ~. M/ i6 L% v
- LDA #$80
3 I4 N" _3 x; P" S7 T2 m: |5 R5 K - STA Bullet_Direction,X4 f0 Z- s R8 n& T
- RTS i5 s2 E2 q' ~% Z$ j) g
0 _, i% c5 F, Y0 J8 n- Bullet_Direction_Right_Down:
3 r" @/ _1 |# C - LDA #$25* ]- \" D& H+ Y: g
- STA Bullet_Icon,X) k# b" Q4 S6 ]3 x: ?
- LDA #$001 X7 A ^3 y% p) H# q* G
- STA Bullet_Direction,X
' } X2 b2 ]) H/ m, s9 I9 a - RTS
7 ~1 a9 Q! A# _% i) J1 p+ q4 l - " C) l# W2 l" u0 V, R
- Bullet_Direction_H:
n6 w. G* ^, Y - LDA #$24- u9 f2 V' ]1 B6 O4 ~. ?) J9 K
- STA Bullet_Icon,X" R) F& L k# m" x
- LDA #$00
/ d) l2 S" v0 D; k - STA Bullet_Direction,X
( T: g7 W. M; g! N. ` - RTS
* h7 O; v# Y& W E5 s; h5 R
, g( R' { X/ g: n" C- Bullet_Direction_V:
+ r! g, D$ o7 n+ `- J - LDA #$23( a. Q* I. d1 y
- STA Bullet_Icon,X
& Q# W0 ^+ H2 O7 D - LDA #$00/ k; h6 f' B8 `; U' \. S K( a
- STA Bullet_Direction,X
+ a; I' B1 l. j - RTS
4 I5 j7 i7 y" Z' r6 z - 8 l- n/ S3 B, x
- Bullet_Speed_Data_Ex:
: V* O% \. |0 H( r8 { - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
1 E. ?; y+ a. s L$ J2 X - ; g- s6 R; ?& @* W
- Bullet_Speed_Data_Ex_R:. B' N% E: W# {+ m
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
7 N( c7 k& w5 N3 y -
复制代码
6 n2 }( n' R, j% z3 {
- X' j2 F: q0 d$ u+ L0 [: e |
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