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[FC][魂斗罗][J][追踪弹]: a" c# \' U0 q9 a
5 s2 O: Z/ X1 ^9 \9 @' m; L8 ?& R时间:2023.04.30
5 C! r! O" F2 V4 X) c# r- d4 B作者:FlameCyclone
3 i, j1 J( V3 I2 |1 f$ Q9 R内容:& U6 b: @+ U# }7 A# s% R$ o
1. 所有子弹追踪敌人 \8 ~" Y- c, U4 h6 A- |, K
2. 选择键切换武器
8 M7 _+ [- B% \! c8 r 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) z# ? j; }; a3 o0 ^2 _, m$ R7 C
$ l8 D; T& I$ L' }2 g
flamecyclone.ys168.com- U" f# U3 r" ~% p4 F% w; o4 J

3 G2 l2 P- ^- G# I9 L( d* Z8 v) y- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
0 s4 u' ~% G' I. n6 D N - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L, V- L3 a) h' ^) u1 T- W I
- 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)
3 X2 I% G `2 S7 a - ' g( D, b1 J) Z" 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 q8 I7 p1 A5 X5 X {* M3 t - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上1 Q; }9 m! v& O7 ~! K
- ! R' L3 e6 Y" g' f, v) x4 M
- Track_Enemy_Index = $6000
3 ?6 ]3 ~7 }. S K - Enemy_Index_Begin = $6010! ` w+ S, E1 n8 N% D+ [" B
- Enemy_Index_End = $6011/ _7 V$ N3 |; `8 R
- 8 {- |, e- j, j3 P/ k
- Loop_Index_I = $60120 i3 G4 e M# T: R9 `' v& N. v, |5 O
- Loop_Index_J = $6013& Y, Y: \& C+ i+ g3 r' r
- nEnemyIndex = $6014
! Q5 b. \ X% A' B: K+ ` - Data_buffer = $6015
9 I. \% t" r/ @' y( B3 x5 s' O - % h( V4 `+ P$ P1 n
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标4 c; J, @- q* B" \( M `
- Bullet_X_Pos = $03C8 ;子弹水平坐标$ F P4 z$ e8 F# [* @; J( S
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
' {0 U: T2 W# p z - Bullet_X_Speed = $0408 ;子弹水平速度9 R2 I8 ?! @ r# E: Z0 w
- Bullet_Z_Pos = $0418 ;子弹Z坐标
% k U% v$ Q8 v; X4 m - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
+ Y9 Q* {4 R. d( e! @& n1 g$ Q
0 F% Q- t3 ^3 v# |$ ^( c3 B- 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
& N4 [% r* L, a - Enemy_Blood = $0598 ;敌人血量
5 |0 g# N( @) v) l( e! } - Enemy_Type_Addr = $0528 ;敌人类型
, R* J4 h4 d) l8 J6 L* B - Enemy_Blood_Addr = $0578 ;敌人血量3 D- a2 B5 G0 a
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
, ?, z5 |% m H7 z - Enemy_X_Pos = $033E ;敌人水平坐标
$ L1 v+ i- L3 s/ W, Q% y - Enemy_Y_Speed = $04E8 ;敌人垂直速度: m/ \% e1 y; d4 _5 {
- 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; W$ z. _( N, Y6 u% b" b8 Z
2 N8 p' Q: Z: Q- Enemy_Index = $83 ;% Q! g0 w$ b' w1 {9 i& a2 T
- Time_Count = $1A
" F! F. y; W( t6 {5 \# y% J - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
* d1 _) \2 h5 j. ~, D! M/ R - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率+ M( W, G/ O. c
- , B, x4 y( K7 ^3 }' i" s
7 \, v1 T! ]" ?7 P, W5 n2 g2 h- .ORG $6100& X( D d' {: G: Q
- Process_Begin:
" \4 n6 f- e$ e$ J4 }7 [: h - JSR Enemy_Check& C' H2 w7 q. v3 O6 ?
- JSR Track_Enemy_Check6 W# K' ?" l# N, y% g" _8 z6 a) Q' A% x
- Process_End:
; d) H7 J1 H" s9 v - JMP $E54F
9 ]" \7 h4 g4 X: O6 J5 f - ; [2 |" u* U; B$ c& h M8 v0 \: w1 H
- Enemy_Check:
, ?1 R5 p$ |; b7 P" P - LDA Time_Count6 O! N$ K, t' [, j" o1 a% s1 \" C) c3 p
- AND #Track_Bullet_Speed
- _& M. ?) B$ I$ {" ]; j( ^( e - CMP #Track_Bullet_Speed/ c0 `) x% F4 m
- BNE Enemy_Check_End
; a$ m2 w$ _6 u9 s9 J; Y - LDX #$0F9 F( N# k# l' i; i# ]+ B! {
- Enemy_Check_Begin:1 m. k" F2 C, Y- V* Q/ J( U) K: p* S) e
- LDA Enemy_State,X
; h) T1 @' O/ E8 b" H j" [0 ~ - BEQ Enemy_Check_Continue+ i N$ E4 s# ]" M; g; H% e9 ]
- STX Enemy_Index9 C2 M# K. [& L/ W, ]' P% d
- JSR Find_Begin_Enemy2 u$ a! P1 o1 C5 d+ f
- JSR Find_End_Enemy
/ Y! O$ c0 l9 W: ~ }% J* r6 k' x - JSR Bullet_Track# g: d& ~6 {3 s! Z
-
% M7 N# s- f2 v( i7 M - LDX Enemy_Index0 ^% K9 o+ x9 W7 m B T4 F1 h
- Enemy_Check_Continue:: W# q4 U- C X. |: h$ w" v
- DEX
- A) W% e+ `+ K T: F; n - BPL Enemy_Check_Begin) z" C$ x ?) Y# _) U0 d, G
- Enemy_Check_End:$ m5 }* k9 S7 O2 z# K4 k% t
- RTS
# k \) H, q) {. t* B# W/ p9 Q: K -
\; r" ~8 H/ O9 Y {' d& U) Q - Track_Enemy_Check:0 n7 q* D/ n8 y+ Z; A$ O
- LDA Time_Count
! R* h" S j" B - AND #Track_Enemy_Speed
3 s& b5 M; l2 d v- t5 T' A a" Q3 ~ - CMP #Track_Enemy_Speed
4 E4 q( |) N0 t+ d' f3 C% Q - BNE Track_Enemy_Check_End
6 {; o' v. v3 F) d* `8 R - LDX #$0F( _ b Z, z& g- r9 } m
- Track_Enemy_Check_Begin:
$ Q6 G" _$ C/ Z/ G6 V' k% f - LDA Enemy_State,X8 `: ~7 T, I* t
- BEQ Track_Enemy_Check_Continue
; Z* {5 P# K% z+ w - STX Enemy_Index
* I% K2 Q3 b: l -
! [5 g: b! \' `! Q; l - LDA $40
: O1 Q- y1 V. T R$ u' G5 H - LSR: ~3 N, I3 D% [" p# @
- BCC Track_Enemy_Check_Begin_L13 g w/ z0 F( w9 g
- ; w: h: m# j: v0 U
- JSR Track_Enemy_Ex ;2, 4
4 l, ~4 x$ p( o5 B% c/ F' g - LDA #$00' Q. m/ m6 n! w4 y s8 Y
- BEQ Track_Enemy_Check_Begin_L2! S. g& `8 k& Y& P C8 I4 L2 G
-
9 ^' A& n. _2 R. k, k* I& _# J' {+ b% E - Track_Enemy_Check_Begin_L1:' K8 h, J! r( v: k$ C7 \) B4 a9 f3 N
-
: ]7 Y3 U" K9 Y) {2 R- d; X - JSR Track_Enemy
N' V$ P1 Q7 Q# p5 c - : Y1 J2 {. E7 f# t' P
- Track_Enemy_Check_Begin_L2:
8 _# g: a& R1 Z, p+ V) b - 0 w2 ]% n2 @- t# C) s( P! D
- LDX Enemy_Index
3 h9 \: ?' r; h9 R. D- p9 y6 j - Track_Enemy_Check_Continue:$ A) a8 g t2 s3 E1 I
- DEX$ P) {/ u( y8 t5 J4 |, p$ @, c3 e
- BPL Track_Enemy_Check_Begin( s# h4 ?$ h: v E0 `" g
- Track_Enemy_Check_End:
! j, u" C# i! C7 o( U/ Q. ]' z - RTS; ?' M& D6 W' g6 \( a- Z; _
& w. }. B, J2 F/ ^ A- F, f
. H% V/ H& L4 P; J6 Y% q* l! B- ;查找第一个敌人2 E7 q3 b- x) Q7 j% B8 C
- Find_Begin_Enemy:
. s* R" }8 |$ e - LDX #$00
; o! d& `! F s2 W* e# D$ _) d - Find_Begin_Enemy_Check:
3 e9 k* A u" Y/ u - LDA Enemy_State,X
Y2 ?2 O, v A/ O. C8 z - BEQ Find_Begin_Enemy_Check_Continue# h: K% A. F0 s
- LDA Enemy_Blood,X
6 _. ^6 x# Z2 P0 \5 D - BMI Find_Begin_Enemy_Check_Continue
4 r3 ^. G! \+ R6 H. J E - BNE Find_Begin_Enemy_End! b, U1 b7 v/ J: O* x
- ( u+ b5 U* u% O) }/ D V- Q
- Find_Begin_Enemy_Check_Continue: \$ I+ X1 P& P3 _3 F
- INX% S, S* A `, D# {+ d. |
- CPX #$10/ S# U! o2 @- t. B5 w0 ^
- BCC Find_Begin_Enemy_Check
5 ~7 }0 Q6 m" O/ ~' W5 U, K } - Find_Begin_Enemy_End:
7 O# r) I4 `; X L/ \ - STX Enemy_Index_Begin
0 P8 Z0 ?9 z/ E- | - RTS. D: v5 O! \( S' m; h) K
$ t- ]# c7 c) h9 U" ^- ;查找最后一个敌人
2 ]+ Z1 K( N8 O' T - Find_End_Enemy:
+ {) t) V a2 c) C+ C: }2 U - LDX #$0F4 }) N }: E5 |2 E* f* ?: ?
- Find_End_Enemy_Check:
- g1 C$ i7 Y$ P/ l3 @; }& [ - LDA Enemy_State,X1 Z" x9 x/ R0 r+ a
- BEQ Find_End_Enemy_Check_Continue: n& E, ]: p2 m/ r% d
- LDA Enemy_Blood,X% K# B: i; L# Q# a+ }7 B
- BMI Find_End_Enemy_Check_Continue0 I, D: c/ |6 A9 ?% d# q$ k+ U
- BNE Find_End_Enemy_End
9 q O5 k5 M2 @) A - 6 N& S$ z) I, n& X) u9 ]1 p
- Find_End_Enemy_Check_Continue:
) [7 y2 P1 O! \7 e8 b/ { - DEX- G# Z% u/ _ u( K" d W7 { I+ |, e
- BPL Find_End_Enemy_Check
, A v1 J* b9 Z- k( ?6 W8 }* o - Find_End_Enemy_End:
/ L K. j/ w# c7 c0 X- J* S - STX Enemy_Index_End
, k; a0 f' y2 [/ _3 t, @! W* F - RTS" R7 m- h' i: L3 N0 v! ^
- J( h9 k% {6 h) u& p: ]- ;子弹追踪
# Y Y3 ?' w4 j6 E& ` - Bullet_Track:- S/ f/ x, f- u' z
- LDA Enemy_Index_Begin
: R1 W. t: A% ~5 Y - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
- k3 S3 y x+ Y9 y# @2 S - LDX #$00 7 _& f; d2 l r
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)4 m; u% x+ k7 m9 s! G% A+ v
- LDA Bullet_State,X
( j, a0 g/ T6 p/ q: X6 M - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;0 W4 n. [. w C5 l
- STX Loop_Index_I; A3 b, M( B/ v* `
-
$ v w' N. B7 v x2 D0 W - JSR Bullet_Track_Enemy
: Y& D- V4 U7 t' D9 K* F. i - JSR Bullet_Tract_Direction# j% C, M/ I8 c s
- ( ~. L2 u b8 P3 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
1 N; s' N, d# k& R. G$ o - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;4 T* f. x5 ^ |
- LDA nEnemyIndex
* ]& C* D, v7 H% S1 L - CMP Enemy_Index_End( a& T. O6 R; i
- BEQ Bullet_Track_Check_Continue, a" m2 p2 U. N' V7 n! \# C9 ~
- BCC Bullet_Track_Check_Continue9 S* A/ i5 X7 B! H. h4 h* u/ Y
- LDA Enemy_Index_Begin
) D: Q, w: P$ j7 I - STA nEnemyIndex
2 A4 E2 U5 k% k, T' z -
) q+ Z1 Q4 q- t2 Z - Bullet_Track_Check_Continue:
! r! [8 H, R; i X( E7 t - LDX Loop_Index_I
" j6 n; o- W, n8 _7 G( S2 Z - Bullet_Track_Check_End:
9 D, B" ^- t; b ~ Z - INX
3 p3 o3 g& L# e/ Y) n2 X% b - CPX #$105 s" s# `; y: U; D7 ?5 A0 k6 m
- BCC Bullet_Track_Check
. T; d* N, U: I& T' c1 |6 o! x - Bullet_Track_End:, k4 W( y! n9 }- A
- RTS6 K! j0 x5 A) ^$ }! b* h
-
0 @$ O4 n( g5 Y) m9 k - ;给敌人分配子弹
/ Z) x2 _/ U, E - Bullet_Track_Enemy:9 D- }3 P( p# o
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)+ N$ z# g5 w$ R# j y: _2 v$ M
- Bullet_Track_Enemy_Check:
9 ~3 s H l( l6 S$ w! C - STX Loop_Index_J
. R4 y- n* u; q8 l$ x -
) I% U/ [, R5 F! ^ - ;if (0 != nEnemy[j] && -1 == nTrack[i])0 Y/ h1 _+ r7 a9 M
- LDA Enemy_State,X
0 ?& Y3 c) W% _# t1 u: {. A - BEQ Bullet_Track_Enemy_Check_Continue7 ^! h3 U- O3 B+ l# d7 g
- LDA Enemy_Blood,X8 ] p' d: b# m7 n4 D
- BMI Bullet_Track_Enemy_Check_Continue
7 U6 a+ j9 N& e) L* `: l- J - ' ~/ y$ p& \5 q7 L& N
- LDX Loop_Index_I @3 _5 w1 R. R! ^; g
- LDA Track_Enemy_Index,X" H; V2 e% p! z4 U, m6 E6 W$ F
- CMP #$FF& `- ]- k: ~, ]4 }4 }8 X: i6 d+ b, \
- BEQ Bullet_Track_Enemy_Init- J) w! t5 ~: | ?% Y: a
-
- N7 d0 d/ T0 J5 { l1 K* o! Y - Bullet_Track_Enemy_Init:
; |0 I+ e' N W, I- s* n - LDA Loop_Index_J1 B' ^ c; C. W, c
- STA Track_Enemy_Index,X ;nTrack[i] = j;
9 M" D1 _, ^% ] -
. Z, i8 h* Y1 v# T8 t - STA nEnemyIndex, G2 b; T6 y( |! A x1 i! {: I- C
- INC nEnemyIndex ;nEnemyIndex = j + 1;
0 M# Y# C5 k( E b; W - RTS ;break;* ?* p2 n$ P( i; w9 B
- 6 }9 x$ r+ s: d
- Bullet_Track_Enemy_Check_Continue:
* z2 k0 B3 s: I4 z# a" C C3 [7 g - LDX Loop_Index_J
9 J3 r+ e7 D( n; w - INX ;j++( R" z) q7 O) a) Z$ X
- CPX Enemy_Index_End
& p( ^* i/ U/ B8 a - BEQ Bullet_Track_Enemy_Check2 f# i9 v% C/ f v6 F: t
- BCC Bullet_Track_Enemy_Check7 X% r" i7 e- B* [& s
- Bullet_Track_Enemy_End:6 J u1 v# N; o( F b; l
- RTS
2 }. O! G. W) {" d2 P) q
) X3 R' s! y$ h* K* K! ~) N- Track_Enemy:
8 t! I* ?- \% a. V% R - LDX #$0F1 R- Y* ^5 f5 j1 i' c9 a
- Track_Enemy_Begin:
3 ~$ N4 q* c1 Q5 t - LDA Bullet_Icon,X
( [( K. D& D, e/ x - BEQ Track_Enemy_Continue0 P% ]7 [) Z% d6 D/ D& X% @5 [
- LDA Bullet_State,X# {' y% |3 P$ r1 ?
- CMP #$01
! R" o- o n# L' p - BNE Track_Enemy_Continue; q- c# [. M7 M. S% j. @
- * ]5 H8 {5 m4 p/ X$ ]
- JSR Track_Enemy_Process" S: I7 ~* _: d2 i6 d
- $ g5 h) M. |/ ~- ?+ L7 P/ @
- Track_Enemy_Continue:1 S$ d' \) g3 `3 P7 ]5 o+ _7 o+ O
- DEX% h5 p: i( _4 M4 |. {# i i5 W
- BPL Track_Enemy_Begin# q, X" N3 }$ @+ U
- RTS
$ I' p* y, s0 ~ g6 r' i+ C2 R8 G
+ `4 U [/ X% i- ;普通关卡
# f8 {& I2 M5 [3 f - Track_Enemy_Process:
/ P1 `0 D s( ` - LDA Track_Enemy_Index,X: j. H$ L# Y; k; P) k3 ]
- CMP Enemy_Index
, H4 {: C. c7 \! H$ l* `: B0 _7 V* Y( A - BNE Track_Enemy_End
* T4 ]! \2 ^9 m5 s ` - LDY Enemy_Index& D8 O* v# d4 V, F! p3 j9 z
- JSR Track_Enemy_Y
# `3 P, o4 X) d! b" ~8 W' I1 v - LDY Enemy_Index' a" \0 K' w" W0 g( q, x! k
- JSR Track_Enemy_X
8 i+ ?: V; p7 G0 H - Track_Enemy_End:2 i" V4 K6 S0 ?
- RTS4 a R7 u/ `' G& g4 w$ L" N
-
7 C/ m ~2 G) s* L+ ]- u. P7 k - Track_Enemy_Y:4 c3 E' X f2 T6 H( a2 g) K
- SEC
4 W+ t6 u n1 k2 m3 m2 c; e8 y - LDA Bullet_Y_Pos,X" y, w1 [ ]" [4 K2 b/ D) J
- SBC Enemy_Y_Pos,Y
4 y' a1 ?7 D, y; `2 {# `! I - BEQ Track_Enemy_Y_Equal
$ v; }# Y1 l1 d* C7 A1 Y - BCS Track_Enemy_Y_Greater3 j& V: y# v z0 x- I4 Y, e& F
-
/ n* r8 d- r/ R - Track_Enemy_Y_Less: ;子弹Y < 敌人Y4 _( I2 S& B- u8 ]! j
- CMP #$FC, b6 ]+ \2 [1 M3 ?( e/ r N+ R, m
- BCC L1_1
# h5 {) l' P: c c - CMP #$FE8 l. c) ?" s0 E. R w0 r
- BCC L1_2( L6 {: I) r6 u( o
- LDA #$00* {' ?# V7 A; D" [2 \. d7 r
- STA Bullet_Y_Speed,X
" b* T3 J L- G' I* V2 ^5 C - RTS
: u+ ?3 P9 e# o3 e3 X; U - L1_1: 3 `( Q7 h2 Z. ?4 T4 X0 t) c/ m
- LDA Bullet_Type,X
% C3 K7 _' b' S. \ s, h, @# w - AND #$0F
0 Y* z- s1 g/ B' @, S9 p - TAY3 F6 P# Z% I. H0 c9 T
- LDA Bullet_Speed_Data,Y v9 n* [) t. U5 `: i
- STA Bullet_Y_Speed,X% |1 ~( T8 I, p$ M( g
- RTS
. u. t3 t6 l6 n; k1 |* [- z - + @- o# @# Q4 e4 h
- L1_2: ' n) w5 |% l6 C0 J, W. e9 h
- STA Data_buffer, `0 i7 V1 l8 @
- LDA #$00) ^0 b* X2 Q$ Y4 T4 m [
- STA Data_buffer
$ _" J& j+ Z: `4 I5 `% T. J - LSR- G1 q) y) V& y' K( P) I* g: A
- STA Bullet_Y_Speed,X' M0 y4 h' m/ S8 h0 M
- RTS& H; r [* f- h* R- v# D. g4 w" y$ j
- % Q( V% b' q+ t! s$ e! b
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y. O* _! u* y9 B+ m
- CMP #$04
6 f8 v$ n- m, R; c8 H) B - BCS L2_1! j( b& a" w. S, I
- CMP #$04+ h' q6 v3 i, F- G& g
- BCS L2_2; K; q2 A) H& K* b7 ^* O, E
- LDA #$00
M( n- I* c4 ^0 B& H0 F! H) b, L8 r - STA Bullet_Y_Speed,X
2 s) Z0 P/ Q, ?* a: W: D# L - RTS
7 u) [& p% |; L+ W. R1 ^& ]2 M" { - , D( Y! ~3 g' k4 `$ N$ t! F
- L2_1:
" Z1 {/ r: K5 ^8 I, p l. r1 S - LDA Bullet_Type,X* W9 b( f9 t/ z; V
- AND #$0F# B. i; _; }' p. p* s4 a9 i _
- TAY
1 a8 J [. O6 ?9 Z- [/ W - LDA #$00
8 T& U1 G' m4 a: `! S1 m, w - SBC Bullet_Speed_Data,Y9 j( d8 A/ g& D) O
- STA Bullet_Y_Speed,X
' s- K/ _3 B8 ]7 i - RTS4 Q) u. w: {4 a2 A5 ~; U
-
2 G0 y6 U5 c) i7 P- g& d; x - L2_2:
! c' ?# ~* j C4 C/ V - LSR1 m- G! T& q/ Q( T9 M6 h" ^7 u7 ~- u
- STA Data_buffer
8 f8 F' `3 |/ y8 R' Y; { - LDA #$00
; s2 C. x) }9 s1 i, ?8 J& i - SBC Data_buffer
6 N. } A, N0 I9 E. z4 a - STA Bullet_Y_Speed,X
/ o* b; K- t+ A4 D* l - RTS
( n# R3 ^8 ?+ j& m - & s$ F6 w3 [, D! I
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y$ w. I6 J" M7 o
- LDA #$00
r% r- G7 F7 j3 T - STA Bullet_Y_Speed,X7 `& J S6 c6 o- x
- RTS: o) S, C6 m% \/ D9 T
- 2 m8 E2 K$ ]% A4 l$ Y
- Track_Enemy_X:% }+ N3 p+ q. e
- SEC# z1 f% ]0 |$ }, x$ J- P
- LDA Bullet_X_Pos,X
/ M: f5 \, l4 E$ _2 B1 z( b - SBC Enemy_X_Pos,Y( Q+ r# X5 m! N
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
! t1 g! t. O8 n" i - BCS Track_Enemy_X_Greater ;子弹在敌人下方
9 B" L! b j$ s8 C9 a9 K - % A# i1 z0 ?$ A7 T) V5 Y4 W
- Track_Enemy_X_Less: ;子弹X < 敌人X, L& O( b7 f- ?9 ~ O$ ]+ o4 S7 ]
- CMP #$FC
% T, C6 ^' P0 m - BCC L3_1
: ? {1 j$ ~# w2 ~ - CMP #$FE
: b, t7 o* ]1 \/ o3 F* {% D w - BCC L3_2
/ d. s% W9 N! E9 j0 G3 H - LDA #$00) }$ B8 e6 [$ D$ j2 @$ t# K
- STA Bullet_X_Speed,X; l9 W: \$ i2 S) {
- RTS
+ h: {5 C! X) B: r# r8 b - L3_1:
6 a+ y( I: F9 W/ x$ c - LDA Bullet_Type,X
9 [7 H. o5 K# U0 _; q( ~ - AND #$0F0 D: T }. z& }1 ]
- TAY
3 |9 h3 b# O7 W$ u5 D; Y - LDA Bullet_Speed_Data,Y' i. u4 l1 L% z# Z+ ?
- STA Bullet_X_Speed,X
4 }" L' B) a* R0 y& t. B& a" d - RTS
, e$ j9 O" y% N) p7 g# Q5 u W - L3_2:
* o; u7 w! K# M+ D/ S: t2 h - STA Data_buffer7 a$ o2 _$ P& H2 V9 Y4 O
- LDA #$00
& l5 W, {/ u( c# N. B1 ^ - STA Data_buffer3 _, e6 S9 l" }
- LSR% ?) J' N6 W/ ]8 Q
- STA Bullet_X_Speed,X
H! }" w! k' q! E! x& H - RTS
! A- l4 h5 \9 |1 l, }" }0 S8 S9 c -
6 e- k# i; y; n& } - Track_Enemy_X_Greater: ;子弹X > 敌人X
8 w- T' A# J) O - CMP #$04
# v+ z& p6 n- X - BCS L4_12 G3 I' m* P4 N
- CMP #$02
/ I8 L0 e' n& x1 M& y - BCS L4_2
5 X& s4 t5 [4 W7 D: k - LDA #$005 W t* v6 [, _: I( {
- STA Bullet_X_Speed,X5 |1 i8 Y* m( Y5 ]3 R
- RTS
9 |$ t1 Q+ `! W; U: j; `) l - 1 p+ B, }: C9 |. i& G
- L4_1: , U6 o5 y) R* ~8 g" O( [
- LDA Bullet_Type,X
! Z. C/ W) B. O9 Y9 h - AND #$0F# a$ ?; I; q @. O1 N2 b
- TAY. f9 V# v( k. _2 A" i% @9 v
- LDA #$00
6 L5 a/ R4 Y; ?! M: A - SBC Bullet_Speed_Data,Y* `; V: m, o Y( C( e6 {
- STA Bullet_X_Speed,X
5 T% @- p# x7 Q9 u" d - RTS
& y. l L4 i$ J9 y$ v ~) I - L4_2:
3 I( { u: t- S2 B; j! C6 a - LSR; l. u4 Q$ L! d+ ~. x; `3 m
- STA Data_buffer
1 c& C* p/ P7 Z) ~6 Y( @# V H - LDA #$00) O! ?! P% }! u k: I7 Z6 T9 `
- SBC Data_buffer
6 X6 \0 L6 @+ M/ S - STA Bullet_X_Speed,X
6 `* o Z, a1 s0 M - RTS
- H+ E7 |, A* M! e8 j8 X - ( K+ X2 r: t# {" J6 Y+ j: N
- Track_Enemy_X_Equal: ;子弹X == 敌人X
$ ]& v _8 D- A% ` - LDA #$00
3 h% x2 a5 t8 b5 @ - STA Bullet_X_Speed,X
3 f" N# D/ c* _8 `6 E1 z: {6 q# K - RTS
0 y( }1 z" i' `$ v6 \% ~: e" Q -
. d# t, z7 d2 ^- ] r* S - Bullet_Speed_Data:
5 s" K' v. j2 w; a& g! ]' `5 K, v4 G - .DB $00,$03,$03,$02,$03,$03
) t7 n# ]+ P# Q; p - 9 T( N4 r! h3 p6 x
- ;2, 4关/ i U+ z3 G0 }2 T* U) a
- Track_Enemy_Ex:! \( W; x) l$ V1 q1 @9 P3 ]% ?
- LDX #$0F" x, W! D7 Q. m9 g& T/ ?+ k8 R* E
- Track_Enemy_Ex_Begin:0 x8 w( Q! v# f/ Q2 F3 z
: U4 h+ q+ d7 j. ~- A- LDA Bullet_State,X
k2 q2 r: T6 C" R$ ` - CMP #$01! z6 g. f6 O3 D2 A, q8 Q
- BNE Track_Enemy_Ex_Continue
8 F/ e. ^ _! P* L - $ E( ?& E- Z4 n8 c% o7 Q
- LDA Track_Enemy_Index,X8 C# `" e' x$ A4 b, @. s
- CMP Enemy_Index
9 X; s# R5 Q# C4 V/ q - BNE Track_Enemy_Ex_Continue ;匹配追踪目标/ O' N3 ^0 R0 ?" s
- ! M% j/ v7 B" `6 m; m! N
- LDY Enemy_Index
' E2 Y/ O1 ], m( N% t0 Y - JSR Track_Enemy_Ex_X8 g# r% j( y' R! A) w( h( @
- 2 W' Y* ]2 ?+ o3 M
- Track_Enemy_Ex_Continue:4 j3 b I7 T2 ?! Y$ G
- DEX
! ~7 a7 |4 o5 u! c - BPL Track_Enemy_Ex_Begin9 R! I2 D5 ]$ K* C* V8 A5 r
- Track_Enemy_Ex_End:
4 Q8 J, _* O6 X8 m# N) | - RTS" [6 D- D) @& Y3 v* L; d
- * e* x3 H" f( k( U* u% I
- Track_Enemy_Ex_X:2 }$ M9 S$ W9 h/ d8 J" U& a+ h) l7 E
- ;LDA Bullet_Z_Pos,X
/ E" G8 F/ b0 ?* Y - ;CMP #$044 A: c Q# F- o) b. w$ ^9 b
- ;BCC Track_Enemy_Ex_X_End
; w/ B( d" t2 e3 k - SEC
Y, B" a, m( E! K. r - LDA Bullet_X_Pos,X
' s0 H. B5 _5 }4 r$ m$ L4 [& P6 `( G - SBC Enemy_X_Pos,Y6 I* V- Q' g7 A, ]
- BCS Track_Enemy_Ex_X_Greater3 c3 ~ G2 d+ f8 C
-
6 {% z. _) w0 V1 R# _. W# E - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
' ~ O. Z2 \4 u& o& R; O2 O# T - CMP #$FD
* n4 q. z( ~% R - BCS Track_Enemy_Ex_X_Less_End
[! Q g1 b- Z/ E - LDA $6020,X( m# R8 V& h6 ]! A, @1 D
- CMP #$2A
3 A: T/ O6 Z* `: k - BEQ Track_Enemy_Ex_X_Less_L1
+ }7 f3 c$ a, M! Y+ @& P7 u* s - LDA Bullet_Z_Pos,X
% i" }2 e, j7 M2 w - LSR
# k7 h/ S }4 t - TAY
7 D) T* D9 d) B* c - LDA Bullet_Speed_Data_Ex_R,Y
. b7 y( l( P0 y) U1 t: \: @7 c - STA Bullet_X_Speed,X g7 |# K5 u \3 h6 m
- RTS
8 B; v7 O2 U+ Q2 E( \ - Track_Enemy_Ex_X_Less_L1:6 b8 H( p- _7 H
- . ?: D. q! [4 l/ ^2 \0 S/ ^7 a
- LDA Bullet_Z_Pos,X- M- X" I6 e; n$ w. M
- LSR
3 M3 x9 M2 \9 ?* i8 {6 H - LSR! ]! Z4 K4 M) n$ _. v& I% q2 A
- TAY2 @% U7 [ K5 L
- LDA Bullet_Speed_Data_Ex,Y, p& }- H) o ~# d# Q" W4 W
- STA Bullet_X_Speed,X
; {6 p+ [2 w$ G - RTS8 C0 [ L1 V2 ^
-
$ w8 L9 v! p r8 m4 j - Track_Enemy_Ex_X_Less_End:
# v/ r# o+ p5 S. V1 Z - RTS2 B% s5 E7 J _3 {
3 K, U9 N2 g% Y0 S$ r9 ?5 N1 u; y- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X1 Q" V9 v0 K, d1 ^
- CMP #$03% s2 @9 M$ G9 e& d
- BCC Track_Enemy_Ex_X_End
7 H& E0 o7 a6 x h7 y - LDA $6020,X* x3 J8 d3 V; Y* y
- CMP #$2A
7 Q, Y3 z, [- l- h8 ~0 ~0 I. y - BEQ Track_Enemy_Ex_X_Greater_L1
; h- I! X8 I& j8 j8 { - LDA Bullet_Z_Pos,X; l7 g& Y3 N" A$ X1 N+ d
- LSR& w L e( @" u2 h
- TAY0 i% U. g; u# Z4 U" Q/ T* t
- LDA #$00
8 C4 z' Y( A& N1 W' f6 Y! m - SEC
2 l$ E1 c. B8 V$ f6 W - SBC Bullet_Speed_Data_Ex_R,Y
- b' [1 @2 G0 ], i* C8 B! \8 @ - STA Bullet_X_Speed,X5 h, ~/ @2 q) E
- RTS$ d% p6 W: o+ [% S* x
-
" I H3 v3 c" K) J# m* U - Track_Enemy_Ex_X_Greater_L12 T7 M6 I; |# w7 U" H8 p
- LDA Bullet_Z_Pos,X
3 q7 V3 T! |# x8 P d w. L - LSR3 q" c( C2 ^% i4 n
- LSR
5 `% Q( ~: H6 _, x: m ~, R3 n - TAY7 ^' L9 j d. B
- LDA #$00
5 l" P8 F9 `% S3 O3 m' X2 m - SEC+ e/ H6 [8 p2 F" u# ~
- SBC Bullet_Speed_Data_Ex,Y5 t& c1 ~4 y) p% D
- STA Bullet_X_Speed,X# I Q) r' h- K* R8 r! D t: _
- RTS
( l& d+ s7 V& Z - 2 C' X" ~5 m! o! ]1 T0 K. Q2 N
- Track_Enemy_Ex_X_End:
4 R+ P6 m i3 y. v - RTS& |' D7 B& W# l" [ M% F g
-
/ y+ y; _+ x& W" X - ;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)/ {& s+ }9 {8 n
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
" N0 W% S% m& N' ` - Bullet_Tract_Direction:
M( i7 j$ W3 P7 |" p - LDA Bullet_Icon,X p z# }. I/ N" `9 G y' j
- CMP #$23, i1 N' j! u2 D' s) J( |
- BCC Bullet_Tract_Direction_End
& s/ n" v4 o, Z: q* M% Y) S - ' s3 f0 }# s: R! B' B4 K
- ; X != 0
$ e+ F5 s# ?% Q5 R: l - LDA Bullet_X_Speed,X
# j$ U* K$ m! B$ O0 E! X: i - BEQ Bullet_Direction_V
7 N* g4 `) @) O* q5 `: e+ b w - y) @ t$ N2 ~9 {( j7 a
- LDA Bullet_Y_Speed,X
& I& C- d9 f9 ]" X8 P7 I - BEQ Bullet_Direction_H
8 s6 Z+ j) U9 }% `2 O0 H6 X. v - 7 @( ?9 r5 g' w$ ^) d4 Z
- LDA Bullet_X_Speed,X
' x7 `% H& A* M8 A9 D s* M - BPL Bullet_Tract_Direction_Right9 ?# w, {. }; V. | w/ p- Q+ ]
- Bullet_Tract_Direction_Left:
" B: a! R5 V. G; H- z - LDA Bullet_Y_Speed,X
* W5 L- H! x' p" s$ f5 I. l - BMI Bullet_Direction_Left_Top
/ u3 x1 P! A6 K9 b6 h - BPL Bullet_Direction_Left_Down
& a# ?- \1 B* z2 X* t - Bullet_Tract_Direction_Right:8 S7 Q- U# X% v4 M; f! p4 t: X
- LDA Bullet_Y_Speed,X. Q4 x1 @1 l! e/ v
- BMI Bullet_Direction_Right_Top! {# O# G+ P7 k- K" H* y
- BPL Bullet_Direction_Right_Down
C& O' O0 V1 u$ W5 `" B - Bullet_Tract_Direction_End:
8 A$ f# Z! N; |% R" I: p) P - RTS
9 N% W6 r$ l& w' w4 w7 ~3 h& x
! [2 M6 K. {# s" V9 K/ n1 M- Bullet_Direction_Left_Top:
3 x8 u7 q# u) V' \2 A; _0 q - LDA #$25
[+ {, m# _0 I5 r7 J - STA Bullet_Icon,X& E0 N7 z! E5 q* j: i
- LDA #$C0
7 m, h' S3 T8 K% A# l" t/ j& Y - STA Bullet_Direction,X6 n6 w( x) Z s1 z) c
- RTS- Y, H( e2 }* s) M6 V
) W( j+ J# i3 H7 s- Bullet_Direction_Left_Down:
o! H s4 z& y* ]$ e8 g' f - LDA #$25
: c6 C! _/ C. i# H( {$ z - STA Bullet_Icon,X3 g8 {3 w) l% F$ R: o' }! r$ B& I8 V9 w
- LDA #$406 m! m: N8 X0 f- ^- ~0 c7 u, e
- STA Bullet_Direction,X# l# I1 }) s; G6 H( K3 x) O* z
- RTS
3 V" \: c* l# X2 | - - }( h( v1 }! }, x8 h4 P
- Bullet_Direction_Right_Top:9 s' w5 {5 B; G1 ]) V0 O6 F
- LDA #$25
6 |7 E6 n2 Z7 F/ v$ \' E- j - STA Bullet_Icon,X& Y8 z; }, I7 F" i" q7 Y
- LDA #$80 h6 y- {) b9 A! a4 t& i
- STA Bullet_Direction,X
( ?: ^: @) c! j8 Z2 f" e) y" L, ` - RTS/ T) [1 `4 ~- M7 z+ n* X5 b
; w8 r8 L1 Q+ o0 d3 c' N" D- Bullet_Direction_Right_Down:
. Q8 q, T1 p% ?* | O1 r0 j - LDA #$25
' w% c( o5 P9 W0 k1 `* d7 v - STA Bullet_Icon,X
% E4 i7 d9 W9 \9 h - LDA #$00
: l. Z m9 T. y9 L0 h( i& D - STA Bullet_Direction,X
8 U8 r1 D" W$ m3 k& T7 I! c3 v - RTS
& ~/ n5 s, p2 ]0 V: v, ` - & ~9 c _5 D( s3 Y& r
- Bullet_Direction_H:+ l; C' x: O4 m7 W; r: a
- LDA #$247 p r1 v! C2 a2 \8 R2 W( U
- STA Bullet_Icon,X4 Z8 V, y& o% a, ~, |( N
- LDA #$00
! e+ Y- U m" m0 D; ~ - STA Bullet_Direction,X3 Y" j' \. c- d9 |* U2 c
- RTS+ r( F! Q" k- n
* b/ q) z/ h6 a) }: G6 _# t3 z- Bullet_Direction_V:8 ^& d; C, b( P* a4 t+ ]
- LDA #$23, {3 x, a9 g- d2 m4 E# Y# \+ i
- STA Bullet_Icon,X
, X _$ O# v6 v3 [. w - LDA #$00& b( \8 l8 U2 \ `3 |: k
- STA Bullet_Direction,X: ~- G2 Y: u1 c- c. T
- RTS
' K! B) R- m5 b* ]8 @- C - ' H( l `9 ^- I2 ^2 @- _
- Bullet_Speed_Data_Ex:4 S- W( a5 Z3 b2 b4 }+ [% P+ g2 i
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$047 G7 |# P/ Y- |+ P1 G4 n: x! t
-
4 t& x1 [ \6 `3 ?( Q - Bullet_Speed_Data_Ex_R:. @6 L* O; g, p8 ~
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
% A N5 ^, Y% d4 X+ M$ |( j -
复制代码
' `9 c9 ]! G+ _+ F8 T5 y4 K$ y# O9 ]* D7 S
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