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[FC][魂斗罗][J][追踪弹]* ^- o F: Z1 I- `0 e; a
& V' K" ^& }8 Z( m J0 h* f& Q, Y' ~
时间:2023.04.30 z( t" k7 W: k
作者:FlameCyclone# Y$ e3 W5 b# b' n h- Z6 e2 t
内容:
; S6 n% F3 ~1 ~; M' \8 l 1. 所有子弹追踪敌人; H- f: I& @, g0 S/ B
2. 选择键切换武器
/ O+ `9 \! v7 S7 W' V# |! }9 b 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
$ U1 @: s3 w {( R5 u# A: C( Q( l2 k, M' ^9 K' |
flamecyclone.ys168.com+ K) d- D2 U) x$ Z

* J+ W: k, O/ G7 j- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
0 u- H1 U3 ?. P6 A5 V - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L: S% K- v0 x4 k
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)* k7 E! A/ x% n
- 3 Y$ B. ~3 X( 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)7 f8 j2 B: `. ?: W2 n
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上: l9 u! a7 p% ]9 Z) K" |9 H3 D
- g& G! U+ q5 U9 D; W5 m0 O3 A( M
- Track_Enemy_Index = $60000 g' h3 i, E" J) H# y. O0 D: `, h- x
- Enemy_Index_Begin = $6010
9 H! c a+ e5 F$ `; {- S - Enemy_Index_End = $60110 l( i, {# v3 V
- ) y9 l% o1 W4 S' Z* T% }3 H' I1 P
- Loop_Index_I = $60129 ?# ~# {8 D- V2 j
- Loop_Index_J = $6013
9 U& G7 T/ h. m" \" M. _; ? - nEnemyIndex = $6014
; S/ b* v0 O e* Y8 B4 |5 ` - Data_buffer = $6015
7 f5 S5 y* i! G
' W( v& _. w3 H/ c0 S' ~+ m+ e- Bullet_Y_Pos = $03B8 ;子弹垂直坐标4 N }7 P& S& A
- Bullet_X_Pos = $03C8 ;子弹水平坐标- \; Z% T& m4 q1 G* I6 N
- Bullet_Y_Speed = $03F8 ;子弹垂直速度5 G/ z% C* D$ E
- Bullet_X_Speed = $0408 ;子弹水平速度
$ F8 ^* k; }" _3 F* w" A) K9 Y - Bullet_Z_Pos = $0418 ;子弹Z坐标
$ \7 R; O* o" v5 g7 R: A - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P1 M+ V4 f. s5 J% ~+ T
- ' h% @, X8 \" \ F! u$ s
- 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" @( B, P3 G6 G7 }! l# K8 k - Enemy_Blood = $0598 ;敌人血量
1 V# [ x' g# _' a- _* a! Z) w" ? - Enemy_Type_Addr = $0528 ;敌人类型$ S1 M' [! D0 G$ Z2 d
- Enemy_Blood_Addr = $0578 ;敌人血量 L( M9 ]4 T2 i) }7 Y8 R/ A
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
& I1 b% n6 G, j) g - Enemy_X_Pos = $033E ;敌人水平坐标
! X4 A) F6 g+ h; g% N4 Z - Enemy_Y_Speed = $04E8 ;敌人垂直速度- U8 u6 E' f8 Z }5 |8 x( 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
& k9 ]" N0 ~/ w. M: Q. L' A; t& f - 9 Z9 B1 R9 k# o0 {) B
- Enemy_Index = $83 ;
) C+ Y9 z$ Q3 V+ r - Time_Count = $1A! f" s2 `- D2 h: m
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率# j2 x# {& A8 O: P6 v S8 _0 [
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率1 ~3 N$ O- H0 o8 \. \: u
- - {" U& L! `# z* ] I1 Y H" s3 n
' F* A5 w9 x3 |/ U- .ORG $6100. N) {6 t) D9 r' q" ~
- Process_Begin:
8 k6 L& x! A s1 _ - JSR Enemy_Check. G; s; L/ l- I5 t* \& r4 |
- JSR Track_Enemy_Check2 x8 p1 D3 ~# P4 l8 f Z
- Process_End:
2 n& l {. a: i M - JMP $E54F
5 F" T4 l; }: G: b3 w" ]6 W$ U" W( @ - 4 P* X+ p7 [7 p# |5 W0 q1 G: ^
- Enemy_Check:
8 j8 E: M5 V1 Y - LDA Time_Count
& c3 {' c0 I1 _- B" {" n$ o6 x5 W - AND #Track_Bullet_Speed* q$ u# Q, l0 Z$ d5 h
- CMP #Track_Bullet_Speed
4 ~6 f5 e/ W7 x$ h/ }/ x7 t5 i - BNE Enemy_Check_End7 A* l# {+ n( ]5 h& j
- LDX #$0F
* O3 w( w! J! M4 r6 X6 ]2 i/ E - Enemy_Check_Begin:
0 D5 |$ S. s: C0 j3 f - LDA Enemy_State,X- U, D: K' J6 C' ^
- BEQ Enemy_Check_Continue3 i' z. ]) V: @
- STX Enemy_Index
* h U" L- d! c) r( m$ H! o - JSR Find_Begin_Enemy M, v, o8 P' }* p+ P
- JSR Find_End_Enemy9 b$ c- e/ L: x; X: e: P; f9 U
- JSR Bullet_Track
( I: V1 P5 p& _7 N1 z0 @ - / d. w; S4 w" h1 \( m' {1 C" a2 {( [
- LDX Enemy_Index h( w1 J3 G5 J7 g$ N: Z7 Y6 n& p! Y
- Enemy_Check_Continue:, F' [% T0 E3 h2 `4 ]/ D
- DEX
% A& f& n7 T" ^ - BPL Enemy_Check_Begin1 h$ d* Y; M# q8 W ]
- Enemy_Check_End:" d4 y4 `- k9 ]3 F) y
- RTS* F9 D+ j: {( ~+ H' S/ G
-
( Y2 s% z }8 ]7 s1 }! e: F - Track_Enemy_Check:
! a3 @ v9 w/ s# N* ]6 f- ]* }" K- e - LDA Time_Count0 C2 i8 K8 W/ `' u5 i' J g3 \1 ^
- AND #Track_Enemy_Speed
0 D. F$ D% i/ q. P7 _; X" @ - CMP #Track_Enemy_Speed2 V4 @. i5 n2 x
- BNE Track_Enemy_Check_End! L. D: v2 g4 L3 f7 ^
- LDX #$0F
& a- Q- G; R0 I2 U2 ^ x# H - Track_Enemy_Check_Begin:
, {. \, X, l2 k3 B9 v( d q - LDA Enemy_State,X
- r; C6 @# d" P3 d; n$ M4 T' L - BEQ Track_Enemy_Check_Continue. g! H/ Z2 d9 c' y/ j: T' `
- STX Enemy_Index
" f- R) @2 K" k* B$ ? z - 2 s. B1 q' h b; h# o
- LDA $40+ u2 \3 D1 N% `, N: N" b- ~: t
- LSR; y1 h0 v% I. d( m
- BCC Track_Enemy_Check_Begin_L1
* x5 J& C9 L2 i+ S- W, r! s. m - O/ X( v9 x+ a- E
- JSR Track_Enemy_Ex ;2, 4! l) `: J1 j+ F* ?' K" o
- LDA #$00
, `! c l7 x, z/ S/ d - BEQ Track_Enemy_Check_Begin_L2! @: z$ B) m6 K/ X3 Z; v4 C
-
$ L# s- N3 o& o- L$ s, J _ - Track_Enemy_Check_Begin_L1:9 j5 T" L8 D$ T G- m: o
-
' ~% k4 m O& m - JSR Track_Enemy
1 O4 C( L& w4 @) U J; @
/ H( j$ F E" S* {- U7 I0 [3 ~- Track_Enemy_Check_Begin_L2:+ I3 F' [& K4 H6 M' x
-
0 D2 M! q8 [$ b K# Q - LDX Enemy_Index
, w; V( [1 ]" [; d8 Q1 P$ B! v& h - Track_Enemy_Check_Continue:' n+ D! k8 h! S* w' S8 f% C
- DEX
! |4 N {/ }* O - BPL Track_Enemy_Check_Begin! O' T, ]( O( j% n5 B* Z) K
- Track_Enemy_Check_End:! E$ K6 _+ j, X" k |
- RTS7 w+ Y# G; W4 U. B0 N* o$ r& @
- ]* [5 N$ `7 h& n* Y w4 s; T
- $ U7 T5 r2 d! ?* O* f! E; Y
- ;查找第一个敌人 V( T7 S2 D- v/ m' i. J
- Find_Begin_Enemy:9 W: d+ l- n) P4 P
- LDX #$00
. K0 \, R; T9 k d - Find_Begin_Enemy_Check:
+ A( V' M1 f. f4 M% G - LDA Enemy_State,X& V) {& O+ X i* E1 z4 s
- BEQ Find_Begin_Enemy_Check_Continue
6 s8 F+ c4 @) z' `/ v - LDA Enemy_Blood,X
) n7 }. p* F5 e ]. I' L - BMI Find_Begin_Enemy_Check_Continue
5 E/ r2 A' d5 n7 z* U: E# s U. e - BNE Find_Begin_Enemy_End
6 I. ?) {9 G) W" z! k& d - M% o& O$ _3 D/ E/ {5 g: Z; s
- Find_Begin_Enemy_Check_Continue:
6 N G0 `' z& o8 { - INX3 G" k5 ^: J5 h5 f9 y9 A
- CPX #$104 a5 d) T+ w6 P+ \/ J
- BCC Find_Begin_Enemy_Check
) u1 B! k s, c3 x: [4 W4 y - Find_Begin_Enemy_End:. X, k7 G; H- f* I! }
- STX Enemy_Index_Begin
& _; X8 w* @. m- b( ~' g* a0 K) r - RTS
* p3 y7 t9 Z, n6 P& s9 [( e0 S - 6 o7 m& f" B- i/ | S+ P, }
- ;查找最后一个敌人
; D% _! y9 u4 U" w - Find_End_Enemy:2 s) E5 O$ M1 U( z- b
- LDX #$0F
4 n" c5 \0 l P! k& Z& x( U - Find_End_Enemy_Check:
( f8 T1 d1 H( }" G2 G - LDA Enemy_State,X0 J7 s1 [5 X9 }3 Z N1 ^
- BEQ Find_End_Enemy_Check_Continue
6 w2 N7 p. U! c% u3 C% o7 s" ]/ v - LDA Enemy_Blood,X
% O C9 U; }( I$ F1 k4 H - BMI Find_End_Enemy_Check_Continue! D$ R& R. j$ I f% M9 }$ a k' C
- BNE Find_End_Enemy_End- e( u% c" h5 n
-
6 t6 @( Q3 x3 P4 Z' B% r3 f - Find_End_Enemy_Check_Continue:$ }5 [$ P: {/ B+ Y9 V$ l4 u* Z
- DEX0 ] [2 Y' F2 G: U% t
- BPL Find_End_Enemy_Check& L; @ b- n9 G/ _* @. g% e5 C1 _
- Find_End_Enemy_End:
% n) r# Y( \' | - STX Enemy_Index_End
9 U$ e7 [1 C5 Y* ]/ H5 e - RTS3 [& ~3 G. }8 ?2 }
: G5 Q4 G% I, r5 ~0 @! Z# P- ;子弹追踪
' d1 J& v. l; J! h+ x# Q- n& d! i# V - Bullet_Track:
5 s2 h4 t$ f) t! d% s9 I - LDA Enemy_Index_Begin9 z$ _7 E) Z% @1 c L1 r: [
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;% l, q* L" }0 r8 j) z
- LDX #$00 ; j, m4 o% K3 Y( I3 o) E5 x e
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++). l6 S) D- u6 Q2 J
- LDA Bullet_State,X# D& Y: q5 H" D' l; G
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;0 c- I; h3 s8 I, r( T; l: j# a8 L, K
- STX Loop_Index_I
7 v3 S7 V3 ?/ Y2 j* a5 Z& V -
# E6 t) O3 T! E( P - JSR Bullet_Track_Enemy
: G9 l0 a! F; O6 i; d7 b - JSR Bullet_Tract_Direction
4 Z% z4 U5 V$ O( A9 i -
# ?" m2 L. H% t# R" E, X% f - ;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+ z2 [ d$ p- c4 Y$ Q
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;7 X8 E" L1 R) e! V6 ]% G2 e
- LDA nEnemyIndex
9 a( ~$ S8 |8 D7 Q - CMP Enemy_Index_End+ w+ b$ I. p2 ?0 j2 w5 E9 c
- BEQ Bullet_Track_Check_Continue8 a- y* x. P* ^. H" z
- BCC Bullet_Track_Check_Continue
& z; m1 y) C+ x" ~ - LDA Enemy_Index_Begin2 Z3 l/ q3 V, e4 X" p7 `7 v
- STA nEnemyIndex5 P' f( k: A% A4 ~0 e6 r8 S6 z; A
-
( D8 k9 ?: C- b6 O, \% w - Bullet_Track_Check_Continue:
+ d! _7 E! A# p - LDX Loop_Index_I0 }) ^; e4 O' s& E
- Bullet_Track_Check_End:
5 M4 {+ j2 ?- B: ?# ?3 P; T - INX
0 u7 \. ]2 N- B; d6 a - CPX #$10
) o7 R. A' I" N- D! Q0 r+ g# @ - BCC Bullet_Track_Check; K, y) p Y1 S) D/ s- `3 V' Y2 l
- Bullet_Track_End:
) u0 X" w( J T9 a, ? - RTS; [ s( {0 U9 p* [) F- V
- 2 H5 d1 p( n7 n
- ;给敌人分配子弹; a! X& z" l9 G) l! K* A
- Bullet_Track_Enemy:
6 X. L! g% ~" S0 ? - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)4 F m" b0 M8 q1 S
- Bullet_Track_Enemy_Check:
+ V* [9 S! q$ ~& b - STX Loop_Index_J
& `! D4 J% A) A4 W* [8 K - , }$ |+ \) J) b& y1 V
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
3 b- O- d% P3 E |3 v. ` - LDA Enemy_State,X& h- K, x2 R! F+ f# n
- BEQ Bullet_Track_Enemy_Check_Continue* D0 n. P* y, y: }- l- Y
- LDA Enemy_Blood,X
8 W; v r. c% ^ - BMI Bullet_Track_Enemy_Check_Continue7 k5 z1 ^& I; j
- * k( n- k+ M1 t4 W6 p# f8 r
- LDX Loop_Index_I
* ^6 D3 m- ]( |9 c$ B7 E - LDA Track_Enemy_Index,X/ w" @+ j9 B3 C0 o0 w
- CMP #$FF
! E) o. C3 ^+ n% b. B( _. B! @# ~0 U - BEQ Bullet_Track_Enemy_Init
- @' ~ Q% p/ E- j4 u+ H -
2 C/ I s* b1 f0 B: n - Bullet_Track_Enemy_Init:: n0 c3 v* F* |0 s
- LDA Loop_Index_J
P- }! f9 m" r8 G1 i8 c6 ~ - STA Track_Enemy_Index,X ;nTrack[i] = j;6 i6 V8 D, v, S7 C( O
-
2 {' P/ o: \4 }2 @$ f7 p* M8 H6 l - STA nEnemyIndex
$ j+ u) C9 s( t2 q8 i0 @: x - INC nEnemyIndex ;nEnemyIndex = j + 1;4 x: j* t) e5 j& L% {" o
- RTS ;break;
: Q, j2 |- x+ u$ v# l3 G; Q
% G6 ^7 V) p0 ?- }- Bullet_Track_Enemy_Check_Continue:
: Q5 O5 Q" T4 N' Z6 s: t. [. i - LDX Loop_Index_J1 l! J5 ]+ v, P) G. ~
- INX ;j++
2 U1 K% Y* d$ p) Z - CPX Enemy_Index_End+ z$ A/ {6 l& }
- BEQ Bullet_Track_Enemy_Check* x, @ l. W& |
- BCC Bullet_Track_Enemy_Check
2 W: H2 c: W9 Y8 \+ e: V+ B7 G - Bullet_Track_Enemy_End:
& h, A+ f* G. |- n4 o# }9 E - RTS
" F1 s; B+ R9 }+ T - 2 X' v* j+ p# v5 l1 T
- Track_Enemy:
5 j! J( c$ ]6 |5 p - LDX #$0F
* _' F# W! H6 W, G i4 \0 P; P E - Track_Enemy_Begin:
. i) E5 f0 t* o2 ~) Q! m, G* ^( v4 Z/ F& \ - LDA Bullet_Icon,X7 w$ ~- }, R: j8 u4 P
- BEQ Track_Enemy_Continue
. I3 k K- l! o) t) u6 A8 V - LDA Bullet_State,X3 f. U- |7 G) b- L9 b H0 v" d# N& p
- CMP #$016 Q4 u% |/ O3 m
- BNE Track_Enemy_Continue
) }4 _. p8 r5 v& v' m% W n& D7 A -
" T9 H+ v5 q7 c4 N- [. [ - JSR Track_Enemy_Process
/ o: A/ H2 ]) c6 u4 V" w5 u8 B0 F/ T1 E -
; P Q# y( Q% G2 G6 J - Track_Enemy_Continue:
* ^ H k' J9 y* \/ H; b- L - DEX; s+ M1 k2 u) p" i8 X
- BPL Track_Enemy_Begin
) z9 F( e3 f# ^; x* Z. F. t/ H- ^ - RTS
" F" ~9 G8 w) T) G8 B5 n4 _& t
; C) ^0 ]' _" G y! s Y6 g4 z- ;普通关卡
* A$ X. ?1 U7 a# q - Track_Enemy_Process:
& Y/ F: O( b3 F: b! C - LDA Track_Enemy_Index,X; K8 p8 l9 W3 y/ D6 A
- CMP Enemy_Index5 R" _! a3 C/ F: E
- BNE Track_Enemy_End
: G. P4 ]9 Z, x - LDY Enemy_Index; C% K3 e7 V( u, m6 x5 \
- JSR Track_Enemy_Y
5 I, t3 _# r1 F1 w! O3 [; A - LDY Enemy_Index5 W! b6 H5 C, Q: C+ [; i- x
- JSR Track_Enemy_X8 T, H! c4 g8 D- y! @+ H& J( ~
- Track_Enemy_End:
6 _& ?% J8 T# y+ [ - RTS
, c2 V/ ~9 E1 K3 ]# k -
/ q+ y9 _+ _4 R1 H3 @3 N7 X - Track_Enemy_Y:( K S/ t! K# |, p3 `% Q
- SEC
- K2 ?. E& {$ @' F - LDA Bullet_Y_Pos,X
- X8 A; N, `2 ]# n - SBC Enemy_Y_Pos,Y
2 {8 x8 I1 \- R' t( Q - BEQ Track_Enemy_Y_Equal
4 h% Z4 |1 n7 K - BCS Track_Enemy_Y_Greater Y0 N i7 l$ c* _* N
- 5 o* B( @( L; e$ K! s4 a& s3 k& p b
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
8 j, X' J" w- L - CMP #$FC5 |% w- N% m! R, u+ h8 _
- BCC L1_1
7 W2 x; u) b) j! y1 F% d! N - CMP #$FE' z) G7 G# R% M: ~8 e& g$ w
- BCC L1_2
, o8 `" Y* g/ K- {5 h6 U; [; \ - LDA #$00! q# [6 O3 f, J! P" g
- STA Bullet_Y_Speed,X* L7 B. j! o4 n& I% F. X
- RTS S4 u3 p" Z! y) e& Z# Y7 }7 Z
- L1_1: 9 h0 w: `: I: V* W5 [4 m" `
- LDA Bullet_Type,X
S' C& y# v1 V7 w! y0 L0 ~ - AND #$0F. B8 }0 f1 X/ X* l% y' p2 T
- TAY
9 F3 e! z- q Z* {) r2 C. d; l - LDA Bullet_Speed_Data,Y
- t8 w |7 E) v, `6 V4 p - STA Bullet_Y_Speed,X8 W, l: u/ p. Z& F6 Z$ t
- RTS
4 n' P, U6 B! y( [$ D( \
$ `& g6 H0 l1 S0 \, B- U, h- L1_2: % L6 n$ r2 Y% A7 B
- STA Data_buffer
0 m. {: i& \0 W8 r% a2 V: e' S' Y( L - LDA #$00
# K' `' G( d( Q) B% h; y - STA Data_buffer
1 s/ n, q- t" J6 v0 [1 y# v H - LSR
3 ^! P3 A. A% _1 I9 W9 `# f/ l - STA Bullet_Y_Speed,X
/ ?. u* c$ E- w0 y( ]& R4 r - RTS9 R5 s' X2 W1 q* p7 s
- 2 e- u* S. ]( ?% y% S! v+ X
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y" U% ?1 h6 G! }2 s! Y; G
- CMP #$04/ j) Q$ a, i+ M
- BCS L2_1
" P( Q6 o* J6 w- V, P - CMP #$04
" p0 l; x8 S# U0 X0 r; J) Z - BCS L2_2
4 r# K* p$ `/ ?2 [+ J M) N - LDA #$00* @7 e9 E8 R: `3 s- J. ^8 u. p/ L
- STA Bullet_Y_Speed,X
2 |+ C" F) x0 I+ S" p E7 s5 R Y - RTS
* B$ w5 A, i. R5 X7 V& T - $ J- V. i1 H) w
- L2_1:5 Y, W- e( y3 Z* ]' c/ _
- LDA Bullet_Type,X
' i7 y' O( Q! m/ Z3 t7 ~ - AND #$0F
9 r e q( p* o6 h1 @ - TAY
; H) z, u% X4 K* B - LDA #$000 g* i, _; G2 P( w# m$ E
- SBC Bullet_Speed_Data,Y
) @) F" s2 w% _- X! } - STA Bullet_Y_Speed,X
. w. h$ v1 [# S) ?. u - RTS
% q0 ]$ g, g, O& ?) ~" ] - + x3 Q9 [. H- b0 w) H/ C9 C- P4 y
- L2_2:
$ w6 r' C6 K' `2 o( r - LSR
9 f2 `$ ]4 \6 |4 p3 o% D, F5 c" a - STA Data_buffer
% Q' X7 u1 q# Y - LDA #$00/ i+ ?4 g2 {! }% E
- SBC Data_buffer
; {( p$ t$ l% I8 W" O - STA Bullet_Y_Speed,X
, v6 u) e7 y# W: X; s% X - RTS
/ Z: B( J2 Q7 f1 W -
$ X3 \1 F9 o) h) k7 x/ T8 ]! Y6 J% | - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y* O0 B+ }4 `2 J6 C5 J
- LDA #$00
5 B/ [8 w* V6 J9 W& B - STA Bullet_Y_Speed,X
B: b! }& v0 ^3 K. U4 o; Q - RTS7 n# Y. S1 e$ g( U
-
8 o1 m8 U' @, F& }: E' a5 K$ I2 K - Track_Enemy_X:
* l$ L( b5 e7 m - SEC
2 A# W+ r1 W; H! i( j2 e - LDA Bullet_X_Pos,X
" Z8 `" ^' o8 @3 x - SBC Enemy_X_Pos,Y
: U, \$ \! }4 m0 ] - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
: Y. ^3 ?+ {' D9 E6 `: E - BCS Track_Enemy_X_Greater ;子弹在敌人下方- i2 I. n: y6 J$ K4 y+ V- m6 Y
-
: E$ N' I+ c5 j8 ?1 ~ - Track_Enemy_X_Less: ;子弹X < 敌人X
# S3 c8 G2 a# H( t, v0 A% P - CMP #$FC1 j3 B$ a" O' I. J' L" x
- BCC L3_15 Z6 P( e, c- y: G9 c7 p- [
- CMP #$FE
/ O: `% j7 W" \7 g - BCC L3_26 d. @+ p f. L8 R* I
- LDA #$00
: h+ F& C' d( M% z2 _6 \7 D0 {: [$ q - STA Bullet_X_Speed,X* V K% j, Z X; a; e! m1 k" y( |
- RTS1 d% f; [+ ]0 y$ l( L
- L3_1: ) J( w1 W$ Z' Y: q5 ~
- LDA Bullet_Type,X
: _$ V9 |, [1 ^5 X3 x0 E3 d - AND #$0F
# G- P' j6 r, {6 U- c( R7 I, U - TAY2 q3 D( f9 p+ ~+ Q4 p: p7 W
- LDA Bullet_Speed_Data,Y) \" `" ~; |% |' C
- STA Bullet_X_Speed,X0 A5 Q, j5 M& a! X
- RTS6 S7 Q; F5 [3 G* ?& h5 q/ n
- L3_2: + T7 w' G, z* j2 z0 R
- STA Data_buffer, K) A6 S1 Y( G* ~. s ~
- LDA #$00+ u' T/ \/ f: Q. P; ~6 i
- STA Data_buffer/ O" g$ q K2 R' m
- LSR: b8 x+ r; i/ I
- STA Bullet_X_Speed,X7 t; d1 s& c1 K" R
- RTS( T; C2 n' k9 Q4 B
- 8 s6 }: h2 Z: m6 q( e% X9 N+ B
- Track_Enemy_X_Greater: ;子弹X > 敌人X+ z5 K& u" v8 ~2 w2 T
- CMP #$049 Y+ O" c0 U6 {0 @ z
- BCS L4_17 U0 E) i, O" y8 f" U
- CMP #$02
+ k4 V3 b* f) s1 \2 M - BCS L4_2$ u9 g' j: s1 _, x' K8 o3 F+ W
- LDA #$00/ t- \2 _. `" D) Y3 W+ B
- STA Bullet_X_Speed,X
3 A$ j0 w! \$ S3 S- Y3 i - RTS" `$ O+ ^+ G; U, j6 H
- , l: ]( D% n8 N7 u3 d9 e' h
- L4_1: 2 O2 A ~/ Z" o: K
- LDA Bullet_Type,X
! e: n3 t+ `* z9 E' T9 g | - AND #$0F5 ^, I; ?* w( m% t0 ^$ k2 [
- TAY
* s* n- i l% _, u - LDA #$00
' G G! ]: K1 d - SBC Bullet_Speed_Data,Y
9 K( k3 Q0 D c% Z7 U - STA Bullet_X_Speed,X9 s# |. `+ b! c+ ~) H- b O3 i
- RTS
- {5 @. X; H8 C6 v. c; G- G8 ^4 m% [ - L4_2: 7 Y$ s7 h+ Y: {2 z8 B
- LSR
) ]3 ~3 G# G+ m# m1 n) { Y9 ~/ z - STA Data_buffer7 Z, `1 r2 W% P
- LDA #$00
$ w/ j6 W5 O. y6 | - SBC Data_buffer
" n" P6 u& E/ T - STA Bullet_X_Speed,X
' ?% p% a4 m! i8 v$ Z1 E6 J1 } - RTS
' A2 y7 k6 X4 M" b7 d U -
( w, X6 B: C$ c" n3 Z H# i - Track_Enemy_X_Equal: ;子弹X == 敌人X3 W$ F5 G+ m+ K5 L% O
- LDA #$00' K: j' P+ h, D: F) s
- STA Bullet_X_Speed,X
" Z4 z! g* T7 f - RTS
( S6 Z6 c9 S: P& b) U3 L - / G h% I1 S! x
- Bullet_Speed_Data:
6 k: ]* X) c! `6 x3 f, o* n. ` - .DB $00,$03,$03,$02,$03,$03
# F- x Z3 ?! V6 W. | -
2 c5 ~9 c. \1 P9 r& r: p: M2 l' m2 u% ~ - ;2, 4关
0 b- Z# w9 g4 F, N - Track_Enemy_Ex:- y% y. b4 ?+ k7 O x6 q' q
- LDX #$0F
) V; \9 x& k' P' T7 L/ C4 [ - Track_Enemy_Ex_Begin:) U$ b/ g8 O9 f4 n; h8 S
- $ ~+ I+ b1 z& e) ]. l
- LDA Bullet_State,X7 O$ X/ s. F5 {1 E
- CMP #$01
( F) m0 s: `( H6 I+ k - BNE Track_Enemy_Ex_Continue/ Z$ G9 @8 i! G& J8 K
- 2 @" Y# F/ H& R$ y
- LDA Track_Enemy_Index,X
1 r( C/ B% r; H0 Z6 s, M - CMP Enemy_Index
& n6 M; _( h/ x' v0 L. T9 c1 Q - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
* `9 h& E& ?% r* ]: ~8 _7 s0 n -
, a6 P# w( P+ a. z& U - LDY Enemy_Index
4 H! j9 z: ~& k6 i - JSR Track_Enemy_Ex_X
' p8 d' _# e: b$ q5 K- j - - M+ a3 u+ y4 t" l
- Track_Enemy_Ex_Continue:8 f G- H% z& p& R; x: j
- DEX
5 ~) |9 o7 k- d$ s+ Q% ?* Y9 Y - BPL Track_Enemy_Ex_Begin. B" B, `. E/ [% O4 ~7 _: I0 f: t
- Track_Enemy_Ex_End:# L: d! @# r( X0 F
- RTS
0 F( @6 J7 k' E9 H, y! Z - 9 |0 R6 J8 ~! ^* _! j' w* [
- Track_Enemy_Ex_X:
0 w! `3 E& }5 f7 I. F" Y - ;LDA Bullet_Z_Pos,X
, I; X; ?6 N4 ^# V" G- R) A - ;CMP #$04
" P; V0 A5 }. y7 H" j) y J' ^6 s. x( A - ;BCC Track_Enemy_Ex_X_End
$ P! o6 }& R' b/ t - SEC
+ @5 A# ~4 X" L - LDA Bullet_X_Pos,X- r, M1 P0 C$ L/ G/ X) N' q
- SBC Enemy_X_Pos,Y
# d y; Z- |* g# e: ]: t - BCS Track_Enemy_Ex_X_Greater
+ u* S, U: |& O, N - 0 w7 b, O5 r( t3 C- C( t
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
$ [- a7 o! Z# E! ?* Z4 x - CMP #$FD7 R+ a! o; Q, t$ I3 e
- BCS Track_Enemy_Ex_X_Less_End
" ~. D6 l2 Z* a4 E - LDA $6020,X
& ^+ ~* {0 H" J5 y4 Q. H - CMP #$2A0 l! M+ ~4 f$ Q4 E q5 X! I
- BEQ Track_Enemy_Ex_X_Less_L1
+ j: a$ ]' Y3 V2 ]- x S - LDA Bullet_Z_Pos,X; q9 j( F0 ~+ n1 q& I
- LSR6 K% m2 Z. F! v2 s3 o
- TAY
- W0 s# B' h4 U4 C6 l1 K - LDA Bullet_Speed_Data_Ex_R,Y/ l6 M) v% p5 B7 M
- STA Bullet_X_Speed,X+ Z* A4 ^" ^8 q8 H1 a
- RTS. j, w/ J4 i9 Q) h
- Track_Enemy_Ex_X_Less_L1:! b0 \% V5 N# F6 H; W) ^! [, B
3 J& y5 |) W9 C% T. a+ M- LDA Bullet_Z_Pos,X. V! X4 K# P% Y; X7 Y! Q0 ?4 `
- LSR6 g& [ g7 S3 |+ ^- j
- LSR
/ P2 u$ G- N. u4 V4 \# x/ m( E+ \' x - TAY
5 i) G; G3 x+ A( N) U9 o - LDA Bullet_Speed_Data_Ex,Y3 R( z# Q b( n: w
- STA Bullet_X_Speed,X6 \% { o# |6 t, m; j& j+ ^ D
- RTS
7 |/ j. J' \1 ]. j% d- Q -
/ W$ X5 M9 i5 N( |. G# | - Track_Enemy_Ex_X_Less_End:7 S- V: F; _2 v8 n2 _; C+ x. G
- RTS
; V5 r) s. ^# [" V5 D0 R. S
& F! A* @$ G' a5 H S- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X# _$ g1 p6 f6 j m5 _& Y
- CMP #$03
% b/ g- y# l" \+ o! N; ?; d3 O0 @ - BCC Track_Enemy_Ex_X_End, |# S2 I" d! N* ^; w) P
- LDA $6020,X. D/ J$ h+ [! B$ {* m
- CMP #$2A! C5 v4 @1 m# {0 L" R
- BEQ Track_Enemy_Ex_X_Greater_L1" l7 ]5 _* y. b7 ]( D4 S5 @
- LDA Bullet_Z_Pos,X1 t- \! V$ a- y5 n
- LSR* E4 Y _/ }( y2 W; V7 S+ s
- TAY
3 z; ]4 v/ o# N0 | - LDA #$00
K; m+ o3 _5 q, [' D1 v* v5 |, Z - SEC
$ U/ @" x8 r: t8 v) ^ - SBC Bullet_Speed_Data_Ex_R,Y
$ J) w# ^6 k& ~0 K! t - STA Bullet_X_Speed,X- }3 P c% z5 ~, U: Z# y) Z; P7 ^
- RTS( F* K X, B$ q3 t4 E' R
-
2 `/ j h9 Q; C: x( a6 K- \# Q - Track_Enemy_Ex_X_Greater_L1
2 K1 ]6 Z- @" l1 k: [7 Q - LDA Bullet_Z_Pos,X' ?- A/ J0 {9 \& R# H$ s* W
- LSR
- j7 O( h2 y4 y* Q! E" R - LSR
) |3 T* u- d0 A0 ~) ]9 H - TAY
4 {+ ^+ E5 q. _ - LDA #$003 X7 P8 A& q/ @0 x; k; b
- SEC" F- R3 L; W: U
- SBC Bullet_Speed_Data_Ex,Y
4 L* b' ^ a% |, Z$ Y, y - STA Bullet_X_Speed,X
9 t6 _3 s3 g' P( q$ s - RTS
5 ~8 {' z0 r V0 T( w - * ~: w$ d; _$ B; \
- Track_Enemy_Ex_X_End:
" w) ` p( n6 { `; y! b - RTS) U" T. y% e/ f2 h+ l- D2 f) P
-
/ q) p$ L4 h% c# c8 [2 s. M& f - ;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 ]! @# L& J& y6 j1 H
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上" ~* |9 o' t( d1 I4 O' w3 ^! a
- Bullet_Tract_Direction:) A4 b! \7 ?5 t" V
- LDA Bullet_Icon,X
' Y2 P4 D3 Q( g) E, h) r2 W& | - CMP #$23
+ @. }4 b2 e( ~/ `6 {! G5 Z - BCC Bullet_Tract_Direction_End
! h$ t# ~3 S" p7 u0 z - % [6 V: I/ w9 R0 ~
- ; X != 0
5 B0 h8 C4 A. z8 a0 F - LDA Bullet_X_Speed,X
( I w5 N( r" Q - BEQ Bullet_Direction_V; a# ?! Z' O2 b( x
-
2 \! C a$ Z/ G4 G - LDA Bullet_Y_Speed,X
8 m! D' i# H+ l& x2 f - BEQ Bullet_Direction_H( p; f! X9 I9 d9 K
-
$ r d+ u4 n( f4 C! e4 Q, a) V - LDA Bullet_X_Speed,X. A* d2 s4 ]6 U* h8 m- ^
- BPL Bullet_Tract_Direction_Right( _: M9 O2 N# f) U
- Bullet_Tract_Direction_Left:6 N# z% o! u( w) ^' A
- LDA Bullet_Y_Speed,X
s& }0 ~' P2 k" h& Y) [ - BMI Bullet_Direction_Left_Top" F8 t9 E5 b/ t5 N
- BPL Bullet_Direction_Left_Down
7 h# L' z& ~9 ]6 s! Z1 k% M7 P7 i - Bullet_Tract_Direction_Right:8 Q7 Y4 N, O5 }( C$ Q4 p' V3 f
- LDA Bullet_Y_Speed,X
9 u8 `6 V% v& X- f9 a; E - BMI Bullet_Direction_Right_Top
. u G9 A8 Q7 l D$ T - BPL Bullet_Direction_Right_Down; t% y7 }- l }' f
- Bullet_Tract_Direction_End:* h: w9 E1 N* M, s9 h" b! X! O
- RTS! l* c, M. A6 A7 z" `* B
- 4 J7 ?/ c9 {' ]
- Bullet_Direction_Left_Top:
2 _; F W% B3 \. ~# y - LDA #$25) y6 ?$ I' D! j
- STA Bullet_Icon,X0 w, ~0 B) x; j. @* U( Y8 r0 W
- LDA #$C0
) O+ Q0 U; z6 R* ^6 O9 k# V$ C - STA Bullet_Direction,X$ }+ D! \0 j( B q7 w
- RTS
; ~ I8 M7 E i' q( Z3 Y" ?
' x# f6 c! H! c- N6 n4 ~- Bullet_Direction_Left_Down:* d/ [' }/ n+ E8 Z9 U
- LDA #$25
G# K, H. f# o! c, u+ ^ - STA Bullet_Icon,X2 _ E7 U$ c, N
- LDA #$40
' z3 U2 g) ]6 }. t1 f5 G1 L - STA Bullet_Direction,X% X0 c |# O6 A' a2 j
- RTS& z7 Z; r3 ~+ q" {1 X+ V% Q; d
- " ~. z' p# ?, g. D; a/ p. Q
- Bullet_Direction_Right_Top:
( h8 S" E" H: F: p6 l - LDA #$25
0 N4 _/ k- p4 k1 W: o2 x: k - STA Bullet_Icon,X
% F* L- f# B! S7 | - LDA #$80
: B2 K! S/ s; x% W5 Q - STA Bullet_Direction,X. R$ J& S' ^8 _$ S
- RTS
8 k. r% g. D' p$ ?# o- q) Y - & T' s3 Z1 r/ g1 C0 K3 ^- q
- Bullet_Direction_Right_Down:
) A7 x& o+ |# X3 F2 [3 f - LDA #$25* f& n9 O% r% C6 H, r. [& G4 _
- STA Bullet_Icon,X
" b3 a$ f' i/ a$ p. w! ? - LDA #$00# G4 I: n+ ]/ _9 o. |
- STA Bullet_Direction,X3 e C( A( c Q# [. B* ~
- RTS8 R1 n2 j3 u( F4 y) _% E+ c# o& D
- y3 v* d; {( ?. N% t
- Bullet_Direction_H:
& Y- @! o( O' _/ v' ? B% d- U0 n - LDA #$24' B b; ~* S- N; r& ]& h- V
- STA Bullet_Icon,X
, O+ E, y4 }* D( v - LDA #$00
# U- K" w1 x; }& A2 O" m( V - STA Bullet_Direction,X
9 J5 M" V! ^8 P$ f+ u. u3 o5 i1 K - RTS' ~1 ?5 M* e$ w) o
7 m5 A0 R f0 [4 E- Bullet_Direction_V:2 e' b' f0 b! @3 x a- l, b0 V/ @
- LDA #$23
# q) n1 h* q5 c - STA Bullet_Icon,X
) d1 ~& Z3 m8 D. ~! U6 P1 t - LDA #$007 p' U7 N, A% L* z/ F) f
- STA Bullet_Direction,X
9 N; o1 C( p2 J+ \ - RTS
$ S! I9 ?, n$ Q: W* B
( s! f: P% Z3 Q# X9 ^- Bullet_Speed_Data_Ex:: _( w4 Q0 T9 a) @! s
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$046 ^6 P' J$ J; b- s+ O% s$ l
-
+ a% Q" d/ ~* M6 F - Bullet_Speed_Data_Ex_R:
' Y$ r- ^2 x5 _8 p# W - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
6 ]; y$ x/ g% b, e3 i -
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