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[FC][魂斗罗][J][追踪弹] ]: F7 W+ Q5 w8 S% {0 \* K- H2 g
9 O/ g6 n5 {/ y( I6 }时间:2023.04.30
& X9 _) [& p6 V, \* l9 F作者:FlameCyclone2 w* |6 |/ C* w8 g# u( w$ ]
内容:& P6 J# n) R# ~- p0 X
1. 所有子弹追踪敌人
3 e% M% v, ~! L9 ~+ a+ G 2. 选择键切换武器/ `" _& F, V7 x# K: m* `
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$ W+ Q, I' L- Z
# ]8 [. z/ j9 W3 e% uflamecyclone.ys168.com: R/ { b, G4 x) V9 T4 e4 e

" }5 Q/ k/ g+ C7 w( ]$ j+ E- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁9 w( f# C. |0 r6 a5 d& @" _
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L( M9 s! ^4 @' F" r/ E' p
- 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)
2 ^6 K4 @3 W6 {. s9 n, l2 x - 0 o8 N# I' Z/ e; w( F& g
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)2 ?; r8 I. B$ C% Z2 A: O
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上2 c' d) v) W/ U& w$ P
- # i! Z X( O. h& c
- Track_Enemy_Index = $6000
" B+ g4 O4 {- t7 ~ - Enemy_Index_Begin = $6010, A1 C* d7 M/ h- m& q1 J7 W* E
- Enemy_Index_End = $6011
/ P' B* j7 B, Y7 E1 X8 _ - # d2 A$ D$ C4 P m$ N7 q
- Loop_Index_I = $6012
% c& _0 s% s5 m( N$ z+ F6 L, D: S - Loop_Index_J = $6013
: l, s6 C" W9 s - nEnemyIndex = $60141 x7 T% ^ N( P( z) @
- Data_buffer = $6015/ v3 V% e, f, J" [
2 y6 ~. |0 a. @8 ~/ I- Bullet_Y_Pos = $03B8 ;子弹垂直坐标) n2 C7 y! t$ n6 G& A' J
- Bullet_X_Pos = $03C8 ;子弹水平坐标3 l/ q/ b& q9 z2 B ]. s+ f+ t
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
+ t$ a# z3 m7 P I5 | - Bullet_X_Speed = $0408 ;子弹水平速度4 ? o) P. u/ U4 U/ }
- Bullet_Z_Pos = $0418 ;子弹Z坐标( |* g/ l9 C6 b2 h- L4 l
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
1 f, j9 T1 F; S5 T$ c - * ^8 j$ u+ O2 j- n3 ^
- 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
# T7 h" k) i4 n/ l* a- T9 x, z, O - Enemy_Blood = $0598 ;敌人血量0 q, h- j% f3 t1 H
- Enemy_Type_Addr = $0528 ;敌人类型4 Z$ i* T+ x5 M7 m) _
- Enemy_Blood_Addr = $0578 ;敌人血量$ n; Z/ T" K( M( o; S) f$ U
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
, f8 n* J# }! u! B/ N - Enemy_X_Pos = $033E ;敌人水平坐标
3 b# H p9 a! ]. q - Enemy_Y_Speed = $04E8 ;敌人垂直速度7 p$ |8 C# w! u q3 s+ q- S- l6 K
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
9 K" t" v- `; y. f$ k1 `5 K; H
, g7 R% N+ e" g& e8 p- J# m- Enemy_Index = $83 ;
3 m/ g5 C. L& O: t - Time_Count = $1A
6 k% C+ d% L1 b- [% D8 c- p - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率$ V6 T4 W7 M7 e5 W; \' \7 J
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率, M6 m6 x9 o( q" L; a, A( R. I8 p
# ]; ^8 n" [+ w- \. k& d% p
4 }. ]+ J" [( F- .ORG $6100- {' P; ^* J7 X/ l A% B, ?8 N
- Process_Begin:
t; O: S2 Y: v' o, j8 q( s - JSR Enemy_Check
( H8 X& \9 {0 k0 e% a9 V, Q- @. ] - JSR Track_Enemy_Check# K7 Y4 o/ F- [" v$ ]5 H
- Process_End:
3 E2 s% w$ K, W8 J. u) n* O - JMP $E54F9 e! N0 l+ O! ?- C5 A' d9 B. o( u/ u
- ( x0 m5 I$ Y2 f+ Z# g# t i) h5 x
- Enemy_Check:0 n% G) ~' S- i: T
- LDA Time_Count
' d1 V' a$ e3 f, C6 U0 u, l - AND #Track_Bullet_Speed
% G4 V# R6 L% I3 K- a. }' O - CMP #Track_Bullet_Speed
2 E/ V1 L$ h9 [ - BNE Enemy_Check_End, g/ W* x* L" i2 X0 }
- LDX #$0F. Q0 B. m3 d7 Y4 \3 r( t% \
- Enemy_Check_Begin:) X3 y' H0 i0 H. @' N
- LDA Enemy_State,X" j/ G7 T7 u' w5 z- `! f& I
- BEQ Enemy_Check_Continue
7 K& R" F8 \/ q3 q - STX Enemy_Index
# n7 p) h( J3 @! U! L* A - JSR Find_Begin_Enemy% G8 W+ e A+ V% f3 V
- JSR Find_End_Enemy
9 ~5 I0 _7 d& X4 A/ k - JSR Bullet_Track
5 o+ W* e) |8 m: w; ?- T' T -
% e' B* M& M1 k$ s; X - LDX Enemy_Index6 _/ f$ Z' v' J g4 t: m
- Enemy_Check_Continue:
3 E4 i8 q' @8 x% ~# m - DEX; e0 C" b5 q" g8 v/ V& b4 Z' A9 R
- BPL Enemy_Check_Begin% R# v/ o4 [: F1 \1 k
- Enemy_Check_End:, U( f; ^" K: W3 `7 w5 W; I
- RTS' _* z( d1 y/ X g/ S G' W
- 7 U: W' y% P9 V: {& ]4 l: q6 p
- Track_Enemy_Check:# k: |" x3 u6 O5 M `! q6 v
- LDA Time_Count: `& v. v) o1 z) t) w/ A
- AND #Track_Enemy_Speed
, ]+ W2 I& c% e6 y - CMP #Track_Enemy_Speed
4 E! ?7 T3 D' q, ^9 @) j. e1 Y4 E - BNE Track_Enemy_Check_End( _8 k* d! ~, h5 z
- LDX #$0F
9 | f* p1 t/ [1 P; G& @7 j8 @ - Track_Enemy_Check_Begin:7 |: U1 d6 b5 h& [8 P2 O; g
- LDA Enemy_State,X
& M' s& Y' g a" x8 |, V* d - BEQ Track_Enemy_Check_Continue' U5 _ b" s+ Q7 c7 ?, Q& m. f8 j* e
- STX Enemy_Index
' {. Q! \* J) T" j# K" ^ - ! @1 w* s9 ]( H; A" \
- LDA $405 W% S+ n, d; ~8 q% T8 W9 q' J
- LSR
) a/ C3 m y1 c8 ]) A: N% v - BCC Track_Enemy_Check_Begin_L14 r! m I6 Q+ A- q
-
' [. q; n: `2 g) L$ o6 p& l - JSR Track_Enemy_Ex ;2, 47 e7 C3 ?- \" ?' d d4 e ?
- LDA #$00. s% b; Z, s/ |0 z, m6 h
- BEQ Track_Enemy_Check_Begin_L2
0 v! g1 S" E* L" T7 F0 { -
. H7 {; B* \) p2 D* \+ H - Track_Enemy_Check_Begin_L1:
' @' S5 J6 m6 Q5 a0 p) Y - ; c8 G; C$ f( y8 e
- JSR Track_Enemy- e' Z. Q+ Q7 }4 ?$ V9 W7 ~
8 i2 B; K9 |& W) K8 C5 U- Track_Enemy_Check_Begin_L2:
h# _' F$ ^' a, H: r- C# [6 R1 C, Z -
3 y8 u7 i, F" F, P - LDX Enemy_Index
2 W' x7 H2 D! g; [. m - Track_Enemy_Check_Continue:
/ X# N$ r; l. v6 M* W0 } - DEX3 E. A% A# S) K, p
- BPL Track_Enemy_Check_Begin
* ^) A6 L$ l0 T- w* x$ J - Track_Enemy_Check_End:) {6 \: Q- d9 L- [# x4 R5 O
- RTS" ?, p' }% @: Y5 x9 H
- B: c; j6 t0 P
, E4 f6 \5 ?& `$ v2 E' L% N1 t3 E- ;查找第一个敌人
6 h& O( ^8 G& u/ H2 x1 M - Find_Begin_Enemy:
5 u% n8 x: P8 q$ l! D - LDX #$00* p7 ?5 e5 d- _2 q$ Q2 U! G
- Find_Begin_Enemy_Check:
; m. r. I( w4 `6 B& ? - LDA Enemy_State,X. g: S3 c( |$ m' h' o2 Q
- BEQ Find_Begin_Enemy_Check_Continue
: P3 f4 c* b" |- U0 i - LDA Enemy_Blood,X9 n! l& a( V; _1 y" O* u
- BMI Find_Begin_Enemy_Check_Continue* ~2 Y4 O' p0 K: g
- BNE Find_Begin_Enemy_End
4 y* F2 S& q- w5 ^* b -
0 R5 O; w- o: C. ? - Find_Begin_Enemy_Check_Continue:3 O# [; F" Z- }$ k
- INX# a# j' ?7 g# ]8 C. U8 d
- CPX #$10
, d) K5 w7 u* J% e0 Z - BCC Find_Begin_Enemy_Check
9 Y" O4 I z1 {) p0 N% R7 p - Find_Begin_Enemy_End:( f' ~9 D$ x i4 ?, \
- STX Enemy_Index_Begin/ n2 b8 A) v" `7 a+ t
- RTS- a% l% Z* K" {8 y
- ; x) T2 ^8 l1 k2 n6 F' ~8 a% O
- ;查找最后一个敌人( K, r7 N+ g& B! x& D+ Z0 r
- Find_End_Enemy:- i2 [2 z4 K5 B
- LDX #$0F _: n* G" j& b% d1 x
- Find_End_Enemy_Check:
( d1 _7 ]- U# y1 z' E0 y - LDA Enemy_State,X6 s% ]/ j2 q# z( @) b. w" P4 R
- BEQ Find_End_Enemy_Check_Continue* N4 E: F) J6 E" \0 V+ @( H+ Q
- LDA Enemy_Blood,X
, h# @" m/ Z& @: m6 m, e% ^ - BMI Find_End_Enemy_Check_Continue
/ c' n. i: W3 n3 _6 B; K' N - BNE Find_End_Enemy_End- n: v& p2 X: X- j x! E
- " J5 V5 s( {7 p/ n+ N L2 w
- Find_End_Enemy_Check_Continue:- p1 C2 I# M% D# r+ X0 v% U" y9 T# E
- DEX
+ R# {; H/ B1 x5 q$ [ - BPL Find_End_Enemy_Check
8 P U2 G' w$ T' w - Find_End_Enemy_End: V: b. R) G) K. `1 w u0 [" J
- STX Enemy_Index_End+ C) X) n" |; U. A
- RTS
3 f" G) D$ Q- \ t+ v% w6 @ - - N$ `% W( V, t7 Z0 H
- ;子弹追踪
% |4 f* I, F2 B) N) ` - Bullet_Track:
" J0 ]8 @! D) P' P- | - LDA Enemy_Index_Begin
7 A0 K( b4 u9 `0 q& M$ T+ ]' `$ g* ~7 X' b6 q - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
( q2 u4 U6 w6 [. S - LDX #$00 / F: X% T# w4 f: U1 l
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++). }# F) I/ [! ]% d# [) ?2 u
- LDA Bullet_State,X
( Q* O8 e% Z9 F, b8 ]$ I( R% X - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
) j8 f' S$ B9 |" U2 L - STX Loop_Index_I
+ Y0 u- U. Z. N( X; a7 {5 R - , g$ O( u2 G& E# Z+ K
- JSR Bullet_Track_Enemy( U6 W1 t8 |8 g0 ~
- JSR Bullet_Tract_Direction* J$ V' y. c" {( ]# p) X; c
- ' S" d) A7 r0 d5 F' e2 E
- ;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 Z* `6 ~- S7 O: S! T - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;- l- G7 M4 A/ w! y
- LDA nEnemyIndex' L6 x$ A& j9 l+ `2 u' }" g% C
- CMP Enemy_Index_End
3 W. I7 |8 B: B% M - BEQ Bullet_Track_Check_Continue1 R( B3 V# a1 r& Z
- BCC Bullet_Track_Check_Continue; Q" ~1 b6 [& X9 J( W( a
- LDA Enemy_Index_Begin0 k5 }9 g1 C4 w9 z5 T' p4 ^9 \
- STA nEnemyIndex
1 a4 c2 r& J- A# o# v - + \! O% c, ?5 o- U6 L7 ^( x
- Bullet_Track_Check_Continue:% [* f# s* f7 Z( W O
- LDX Loop_Index_I3 `6 O' w$ z7 w8 d
- Bullet_Track_Check_End:
$ ]2 @/ w/ w3 a! P6 P5 @6 J- | - INX! a8 r1 }( `9 K" i$ u8 X8 n
- CPX #$100 `/ c% x6 H3 v/ E6 }6 x/ h: x
- BCC Bullet_Track_Check
3 `# i- F+ O8 h1 J+ O - Bullet_Track_End:
. G+ j4 u, q! r, i& t8 B2 e - RTS
5 F; U" k" k% m -
- b, s. t/ T$ V7 J$ u$ s1 I9 r# c; A - ;给敌人分配子弹
4 y, S2 S: f" q - Bullet_Track_Enemy:
+ f5 c& F! h6 B$ n. j4 \ - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
) c P1 a9 ?0 {% i" {6 m/ n5 x - Bullet_Track_Enemy_Check:
- I2 L+ H, q+ k/ W3 |- _/ q - STX Loop_Index_J
; i9 `3 u: u* H! j; F* F - ; w$ P# G/ Q0 C. n' G
- ;if (0 != nEnemy[j] && -1 == nTrack[i])+ T" p5 ?' Q5 m
- LDA Enemy_State,X
+ S+ j, K9 d3 p - BEQ Bullet_Track_Enemy_Check_Continue
1 s3 E3 H' N4 J0 P. c* d - LDA Enemy_Blood,X
9 e5 R3 `5 A" s5 a' z - BMI Bullet_Track_Enemy_Check_Continue& }# O4 q$ C9 |5 e: H. ^
-
% Q2 ?, I) `! u" r - LDX Loop_Index_I
8 @" y/ p% ?+ `, l, ]' v( u - LDA Track_Enemy_Index,X
$ D' ]5 w- X+ ~7 c& C% v$ e. l - CMP #$FF
?6 S" D2 M- X' k - BEQ Bullet_Track_Enemy_Init n& C* g4 A9 C P" @0 ~+ R; y5 K4 y! B
-
# f1 V/ ~( t. y; H5 O5 K7 J - Bullet_Track_Enemy_Init:. R. z- S4 b" T
- LDA Loop_Index_J. w+ R. ?# s. L7 X
- STA Track_Enemy_Index,X ;nTrack[i] = j;) I8 V1 X6 `. E( U$ A
- % Z4 d5 |* w* N- I# Y5 u
- STA nEnemyIndex9 v: r' Z/ ^0 J0 V% F
- INC nEnemyIndex ;nEnemyIndex = j + 1;
. _# M1 m2 W7 ~, e6 A4 H: q - RTS ;break;
3 g" ]9 J) {: N4 l - $ z& Q" h% P- t( C
- Bullet_Track_Enemy_Check_Continue:
! }6 h, z1 D C l" h1 C) G - LDX Loop_Index_J, C: S$ E! ~, t: U* E" I
- INX ;j++
0 v9 v7 v+ a9 t - CPX Enemy_Index_End9 _" j$ z3 g. e$ `
- BEQ Bullet_Track_Enemy_Check
0 h3 k' o3 A# l - BCC Bullet_Track_Enemy_Check
2 P& x2 o& n$ `7 e5 W" j - Bullet_Track_Enemy_End:9 n6 Z4 r8 X# z9 f
- RTS
( E' _& {+ C ~) N4 K6 E& j- n* r5 E - 2 j& ~: x# _$ ]& y! n7 `
- Track_Enemy:
/ M7 |* A& N/ |/ |. ~1 i - LDX #$0F" W$ k9 O3 Z: p, ~* j2 `% d
- Track_Enemy_Begin:3 Z. d! c2 w Q2 D: q7 V' H
- LDA Bullet_Icon,X
: [2 X- B( ?( {! g" F/ J* ^ - BEQ Track_Enemy_Continue
; l2 R% R9 o3 ^' E& X4 [ - LDA Bullet_State,X2 |3 k; b( @9 ^+ L3 g! u
- CMP #$01
' d6 `8 y" o8 t1 ] - BNE Track_Enemy_Continue0 f, U: J5 b+ z) {
-
- N/ k& D. T! i s/ R$ Y - JSR Track_Enemy_Process r' S1 Q' a+ p+ A% q& X
- ! n; {7 _8 P( |8 p5 l$ g" p
- Track_Enemy_Continue:
x. x* l# Y& ?+ V - DEX
9 h& \( |! t( B! x7 { - BPL Track_Enemy_Begin
* O/ L2 S$ R, V+ V2 N - RTS3 W0 |% b8 H# t: k( D
- 3 B3 k1 \* O5 O! x( W
- ;普通关卡
+ H) y# }4 P2 G! g8 Y1 n - Track_Enemy_Process:# a& n! v/ f z* m, B) p4 d5 a
- LDA Track_Enemy_Index,X
1 x) d6 z+ O ^1 V% Q/ R - CMP Enemy_Index
! ?: c6 F* o. J0 E) L - BNE Track_Enemy_End* k" v; k; X: c% ^- D9 R
- LDY Enemy_Index3 I' M3 ^: y7 k6 ?& q: V
- JSR Track_Enemy_Y0 L$ W% P% D5 P0 ^
- LDY Enemy_Index1 n) ?; E! F$ E8 `6 f
- JSR Track_Enemy_X
. G7 e/ V; ^: G$ ^ N - Track_Enemy_End:
" ]6 G' V g) M; y O( i - RTS$ T8 }6 G& S9 f" Q$ W$ I1 y& t0 @
- / M* S0 t/ v* t6 T
- Track_Enemy_Y:
, v8 V1 @( v; \4 ~; \9 K2 _1 O - SEC' \2 x9 p7 v+ ~7 b% p; W! |
- LDA Bullet_Y_Pos,X6 h2 m3 m0 C$ |3 b. q
- SBC Enemy_Y_Pos,Y' E a" b2 X. b E* N$ }
- BEQ Track_Enemy_Y_Equal3 v2 T* j3 ^' ?
- BCS Track_Enemy_Y_Greater8 Y$ V* R! x: E& M1 Z! k A* M4 i' n
- ; s* w# }' q M+ }- d
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
+ o- }! H' a/ V1 I8 y; H - CMP #$FC
. j+ x$ i. q9 e! I' A, ~0 h - BCC L1_1/ G$ M6 Z0 {, ]) C. f
- CMP #$FE
( V$ e4 h( v B* k C - BCC L1_27 ~2 C$ ~3 O; F- [6 E& t V
- LDA #$00
# Q; Y# K& R. x/ n% w" w [3 t - STA Bullet_Y_Speed,X- S) x8 o8 x2 H- N
- RTS
. K0 ~& R: e$ w! ~ - L1_1:
# ^0 C/ x4 m2 v: `! r - LDA Bullet_Type,X$ v* I. G$ _ x% ]2 a$ `# v8 L
- AND #$0F( K' K+ i; _2 v! N0 E
- TAY
% ], l1 O! K$ [, U8 u - LDA Bullet_Speed_Data,Y
9 _- L2 y, n$ h# v5 w7 d - STA Bullet_Y_Speed,X
& N4 a; ?- s5 P& ` - RTS% Y7 d- k1 K: \6 {1 n1 v
- % i! c- P9 ?. ]; O& r# w
- L1_2: 8 _. }; K k# U& e" o4 P# j
- STA Data_buffer
( O; H0 i& E( y( u9 K7 g - LDA #$004 w! d- T& q! n1 ~/ |
- STA Data_buffer
9 S. ~3 @. p9 ~ - LSR8 a1 i( Q# l) M! i% k( Y% R
- STA Bullet_Y_Speed,X4 p9 u5 t% M4 A( A. ^% F
- RTS* }4 c/ y" T0 v1 _3 p- F$ ~" @- G
* N7 K$ [" m. x0 Y- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y0 ]# A6 `$ m; ]% t" G# N
- CMP #$041 H# N( e( h& F% D3 p
- BCS L2_1, q* ^7 A$ {; V5 @! T5 G- S8 X
- CMP #$04
9 P$ e, G* t" _ X& x C - BCS L2_2
; s- d6 c8 z9 Q - LDA #$00
( p+ }* Y( ?" ~% J) h. J- a - STA Bullet_Y_Speed,X
" _0 }0 T2 M: P% @9 z3 M" X# g - RTS3 J! B! `) |7 I
- : l2 d5 X! q! Z, u- ^) }
- L2_1:
" M; [2 H) z" N. t7 { - LDA Bullet_Type,X
% c' M0 s' w! j0 e/ }. m - AND #$0F1 ^8 _0 K+ y9 ^
- TAY
. y$ \3 |& w) W: e+ B7 P - LDA #$006 l+ h! D! H5 z5 r- U
- SBC Bullet_Speed_Data,Y
7 u0 ^6 W2 `/ v4 {: [5 ] - STA Bullet_Y_Speed,X, r' {' a, l4 P; a8 C: l1 E9 Y* c% X
- RTS4 E; E( Q: p8 ?2 r9 G& l: @* `
- 7 M6 K+ n2 S" W4 ?4 ~
- L2_2:( W$ P: Z' j' b6 G7 p) D
- LSR) h k6 w. E5 U6 m: w" ]
- STA Data_buffer
* o2 {; ?' v' u - LDA #$00) Z2 F: }, [$ t7 f `8 }
- SBC Data_buffer
$ ~4 x7 r% H5 i. [ - STA Bullet_Y_Speed,X6 z+ F" C8 q6 \( ^
- RTS
, X* O, X) n: f v# L& S' W; k: W - 8 p. a0 g3 S& p3 s
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y* i! p; b2 ?- }7 J" ~
- LDA #$00' w; m9 R5 n! ?. W* O
- STA Bullet_Y_Speed,X k4 Z! E& O4 h0 F- @
- RTS W: J" `2 D# b$ A
-
; o5 d% e! X7 N, Z) d+ E# O - Track_Enemy_X:: \+ {+ g' Y9 y N' Z9 T6 l% p* z6 X
- SEC
! m9 ^ ^* K$ @3 a2 t) b8 ^ - LDA Bullet_X_Pos,X1 V9 R8 F* V$ Q# W! \& F
- SBC Enemy_X_Pos,Y7 h- z5 _; t# K6 G. T/ H
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X- b2 y- R* ]# [$ B: A# I9 X$ g
- BCS Track_Enemy_X_Greater ;子弹在敌人下方$ b2 J$ @% p- e; E- Y9 |( ?' A
-
0 F4 Q' ^% \4 J9 g - Track_Enemy_X_Less: ;子弹X < 敌人X
' @, v; O1 }: x - CMP #$FC8 c9 T g2 C8 o! r* g; `
- BCC L3_1
4 i9 f! T6 q) `3 W. F - CMP #$FE
7 G; ?- k+ b [0 C2 C - BCC L3_2) d' ]1 J& `& \9 |( y
- LDA #$00; k# k& t" M5 @; Z- O- K
- STA Bullet_X_Speed,X' y. F N$ k3 p, g4 Z
- RTS2 I% e x$ K7 Q
- L3_1:
g9 Z7 p% v6 u8 r u - LDA Bullet_Type,X) L2 l0 j# C' \- j$ v" @
- AND #$0F/ Y: |/ A# b2 e: L$ p
- TAY! V/ Q2 h$ n0 N" r$ Z2 x
- LDA Bullet_Speed_Data,Y
/ J- l+ o4 K" W. r5 R+ u, } - STA Bullet_X_Speed,X% Q) r: \5 r; T: Y
- RTS
, D. x- i! Z% u5 S) Y - L3_2:
- d7 U& Y5 J2 H# | - STA Data_buffer) o1 @* d; ~. M) l( Z1 ^" I P: |
- LDA #$00
* F1 B3 m7 y9 W3 J7 l- [ - STA Data_buffer) c, P1 C% ^. i
- LSR
4 M) t0 A9 V/ D& c6 b; F - STA Bullet_X_Speed,X
% N s+ e5 H: n- m - RTS
7 {( m# f. y6 ?( g6 T - % l( l0 x+ |0 N+ J* x
- Track_Enemy_X_Greater: ;子弹X > 敌人X: _) ?! Z9 I: z" H( E8 a0 m# X- f/ I
- CMP #$04
1 i1 D, U3 R z" c+ D - BCS L4_1
& |6 k' l$ U n S1 H4 d, k - CMP #$024 k T/ X- I9 O: R( a) t
- BCS L4_2
. I7 ~+ A. b! ]( V* Q - LDA #$00! O* b. E6 V( U
- STA Bullet_X_Speed,X: U9 n/ t7 z9 ?( P7 T! F1 A
- RTS+ U3 P* Z' _! a' n
-
! \+ L% w% C! i* y- d( `- t - L4_1: : A" W" [% v' ~0 y
- LDA Bullet_Type,X% u! }; Z$ j" o& u+ m W; ~3 _8 P
- AND #$0F
6 e: U6 I; z; P0 X: H - TAY
+ |/ U# I5 b; A/ t# {. y' ` - LDA #$00
" q: \3 k# {% V! v, ?6 U - SBC Bullet_Speed_Data,Y
" L; \+ r0 K c. u: {, x; W1 c - STA Bullet_X_Speed,X8 m7 p" A7 b; N' E, J% h0 \
- RTS
2 Z+ _$ O4 R/ q% ~ R6 Y" Z! e7 R - L4_2: ) p3 j, G# s$ O& V
- LSR
% g6 }; K8 k' U3 Y+ x9 e - STA Data_buffer" s2 |% y0 Q$ D( r F* I
- LDA #$009 b# U2 Y1 w" _( N% @6 i4 p! o/ T6 h: j
- SBC Data_buffer
( h2 N$ S: C+ e' J: m; Z - STA Bullet_X_Speed,X: E; X' P a5 Q$ f, r: ]! x- P
- RTS
/ |6 k0 L5 Z6 S' [& n+ f -
& o$ E0 w% q) J# a( f - Track_Enemy_X_Equal: ;子弹X == 敌人X
& Y0 M" c) Z; X4 b - LDA #$00# z! q. `, S" F' h
- STA Bullet_X_Speed,X
9 ]& L0 v( F! _6 R - RTS- w9 S7 v# d* n3 U7 G
- / K) b4 W) v+ A
- Bullet_Speed_Data:: D8 |" F' O. s. p- c
- .DB $00,$03,$03,$02,$03,$03
1 _0 V2 v+ K) B, G6 W* n$ b- O -
; ~% z4 a, ]5 J - ;2, 4关! S, |. H( [6 u3 \# H% k
- Track_Enemy_Ex:
3 D, W5 Y' \5 Q1 v) V i4 n) b - LDX #$0F
4 J4 {# K" ?' T9 c9 V - Track_Enemy_Ex_Begin:$ Q; F, A( Z" i
- 8 A- K/ y; N" t$ ?8 Q( Z. r u
- LDA Bullet_State,X
# t; ?8 R1 s! v - CMP #$019 x+ _0 |8 ]* z+ A8 C$ u7 l r
- BNE Track_Enemy_Ex_Continue% D2 b! y) S; x4 B% b
-
( R N6 ?. x U3 ^/ ^6 `7 |7 w/ }% Y - LDA Track_Enemy_Index,X0 p+ s+ ~1 h: S7 W! A+ p- r
- CMP Enemy_Index
/ W3 B. G% K w& B. K7 G" s - BNE Track_Enemy_Ex_Continue ;匹配追踪目标4 u5 G {* D' F
-
. X- S/ B7 x9 V: r" c1 e6 @ - LDY Enemy_Index6 M3 \; R' D& ]0 ]" O5 D
- JSR Track_Enemy_Ex_X
' m+ w. b+ ^( t! ` - ( d, ]/ p, C' s% `# R: g
- Track_Enemy_Ex_Continue:
4 t: X/ V( z9 y% t - DEX
6 l; |* a7 K+ n2 H6 M - BPL Track_Enemy_Ex_Begin, v- |% [+ y! v+ P( \. ?
- Track_Enemy_Ex_End:
& {+ M& n: u2 v4 H( G8 q1 q. ] D - RTS
+ P9 i }1 S3 F6 [& `; ~$ m6 a - & ^. p2 }: b; z* G# K
- Track_Enemy_Ex_X:4 H4 i0 W6 w$ I3 b0 Y2 y7 a, ^
- ;LDA Bullet_Z_Pos,X5 l- c% ]7 P6 Q: W
- ;CMP #$04
0 ~' T$ g/ ~9 S; | - ;BCC Track_Enemy_Ex_X_End! l# S9 {: ]% L" c! G- @: e8 J
- SEC
- |- h- z: Q0 ~$ T1 p% S - LDA Bullet_X_Pos,X
T) R4 a4 A3 D: e8 j: N: Q: l, X - SBC Enemy_X_Pos,Y
+ G# R2 v& `7 A- L V - BCS Track_Enemy_Ex_X_Greater
, p _/ U; V. h1 k -
0 s3 B% U; G3 B2 W8 S6 e# R - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
- D6 l+ L; Z- F8 F4 ? - CMP #$FD
- v2 q' P8 e. m4 @" U' i) J2 w - BCS Track_Enemy_Ex_X_Less_End
" m6 L5 Q* I) g d( {4 n3 t - LDA $6020,X
! y% ?4 A$ ~% x$ E9 w4 l0 z - CMP #$2A
/ V9 L6 T. j" g/ e5 L - BEQ Track_Enemy_Ex_X_Less_L1- i' U5 l: h4 P9 d, d& v; \! S
- LDA Bullet_Z_Pos,X3 y/ r0 R( z P8 S
- LSR [" `0 _' ]- d8 v' u, w. u
- TAY
$ ]7 m: P" ~$ R6 Y0 ? - LDA Bullet_Speed_Data_Ex_R,Y
/ H9 h7 B* H E5 s - STA Bullet_X_Speed,X
9 k' P2 R% B/ d1 o( p, }/ W% | - RTS
" C6 Y w: t& _! D) w& @0 D, y - Track_Enemy_Ex_X_Less_L1:
3 V5 O! T; a& u( _$ w- o7 j
+ M ^' R6 M8 n( |3 j- LDA Bullet_Z_Pos,X
1 I! H3 m0 _% {/ [ - LSR! s( R2 l; @0 E
- LSR5 x$ f( M" u4 f1 }, w
- TAY" @8 x; a: l3 W' ^! d! X
- LDA Bullet_Speed_Data_Ex,Y& F' b& F2 m3 y) o, J
- STA Bullet_X_Speed,X& a; c0 H7 C" l5 U4 L0 x% A1 ]/ j
- RTS
' [6 f$ n# O; T - % O2 @- }6 [0 o$ T
- Track_Enemy_Ex_X_Less_End:
0 B! B2 r/ }! I1 X& Q2 e2 N8 Z7 w - RTS/ |/ i" D8 G. ?$ _- c
% i" k1 k2 \/ q. Q1 t7 k0 e8 B- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
" S4 s% h2 v h& D8 ^8 n - CMP #$03 N$ i- a' a& j4 o' k2 S! O
- BCC Track_Enemy_Ex_X_End' O5 ? ~) O% l! N
- LDA $6020,X
8 p% k- U/ l6 c6 i! q - CMP #$2A
I% J9 ?4 H& Q/ E4 m- f - BEQ Track_Enemy_Ex_X_Greater_L13 S6 }9 [ K H# {. M4 L3 h5 k
- LDA Bullet_Z_Pos,X
( U6 J4 l, N" G. w! P5 o, [: C - LSR
2 Y7 K, ?! @; V6 j% r0 f - TAY" E% H* U& @3 g% ~4 m. ~. @
- LDA #$004 E6 d* R9 T- g9 @+ ~ Y j5 ~' x
- SEC
% Y& H, _8 F3 m* @0 U: G" B - SBC Bullet_Speed_Data_Ex_R,Y
+ P; O( p2 ?- _* P, z - STA Bullet_X_Speed,X- B$ ~8 G5 D6 k6 e7 g O
- RTS
3 K7 A) t$ d6 o5 G -
& P4 `1 A m& F( {$ i. y6 [ - Track_Enemy_Ex_X_Greater_L1
' A4 B7 k+ D8 g; R- ] - LDA Bullet_Z_Pos,X, ?: U0 P: q* Q+ N; a, c
- LSR9 D* _2 A) s4 l
- LSR7 S& u7 K! }9 d F
- TAY
4 P( C7 X( L$ R3 W5 ` - LDA #$00
! w) s1 W; h5 J - SEC7 T7 _& k/ {! }- \
- SBC Bullet_Speed_Data_Ex,Y% N' t5 U, G2 G
- STA Bullet_X_Speed,X" F V' E) M1 x# k4 ^
- RTS
/ o9 R1 X8 H* z2 z$ ~ -
9 J$ z7 G# F$ j* r0 E$ g - Track_Enemy_Ex_X_End:
T1 @! T0 G" K! A9 e - RTS! l, N" _# F% S. } @" F+ g' Q A R
- 0 I& W% t# i7 p
- ;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). q* a. m* c. F4 n9 c6 C2 U; \
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
3 u$ R3 i/ S- L, a0 }- E5 H - Bullet_Tract_Direction:( F, r6 x5 Z* Y' j3 F# `
- LDA Bullet_Icon,X1 W3 r: Z! O+ O+ q% @: Q
- CMP #$238 A5 z; }7 J8 p0 V* ~
- BCC Bullet_Tract_Direction_End
1 s5 u0 _5 o4 g1 n/ B. n5 ?; X - 3 x/ [$ r3 d# F3 ~. x
- ; X != 02 ?. C4 q1 a% S- F B6 X' I4 D3 c
- LDA Bullet_X_Speed,X
) u3 K: N* P% D/ K' |- a4 ~, I - BEQ Bullet_Direction_V
, ?4 [8 z* z( P - 9 |( B5 l1 D) q: H# H
- LDA Bullet_Y_Speed,X
2 D$ t" V- Z h3 K - BEQ Bullet_Direction_H
( J# @* A$ z+ Z: t: l - * A" w5 A0 s. a. H6 O0 o2 s
- LDA Bullet_X_Speed,X
' @# x1 T: }5 v! _* k& r - BPL Bullet_Tract_Direction_Right
9 U; o# m% ^3 p c1 y0 X - Bullet_Tract_Direction_Left:
# c6 \- P0 A5 P: G+ @ - LDA Bullet_Y_Speed,X
4 x2 f8 k [ [& _9 J' n - BMI Bullet_Direction_Left_Top$ R' H9 [( o. P5 @( {2 ]( |- A) h
- BPL Bullet_Direction_Left_Down
+ Z# x1 ^9 k7 ~$ t/ D d L - Bullet_Tract_Direction_Right:& |6 E+ O% p- S, L
- LDA Bullet_Y_Speed,X
% W- h5 k* u. o l9 l' O1 @- w6 x - BMI Bullet_Direction_Right_Top. V1 Z8 ~1 B# d; T& N* ~. I8 _
- BPL Bullet_Direction_Right_Down3 M2 y. l6 G! u; b2 C
- Bullet_Tract_Direction_End:& Z! I3 J `0 h4 m! u2 L
- RTS
9 |4 s0 U+ c$ \: |4 l - ; e* ?1 w4 e8 H8 p! l \
- Bullet_Direction_Left_Top:
! {' {9 O- C' _3 H# T - LDA #$25& V- j9 d) |/ T x, Y$ ?/ H
- STA Bullet_Icon,X6 i+ F' G, z0 u$ K: k! j9 }
- LDA #$C06 r6 Z" ?* j) H
- STA Bullet_Direction,X
) O! [9 Q- I" { - RTS
7 {9 k0 O+ W. ^0 ?$ J9 W* d, b - / x% N; z0 O$ y9 A _( }
- Bullet_Direction_Left_Down:
0 O+ z+ t# I+ D# F5 R7 X8 x" b5 z) Q - LDA #$25% }* O$ A( x i) x% m
- STA Bullet_Icon,X; K: D$ c& F. x
- LDA #$40
8 C( A- N5 f% b9 {$ ^* w& u - STA Bullet_Direction,X- {. b7 z4 n) I# E+ Q: r; |
- RTS
3 Z( o( X# j0 F+ I% J }& b* | [; M - 4 y. a9 j+ [, k" j# k8 j2 ^) D
- Bullet_Direction_Right_Top:
6 n2 u7 I( z1 w - LDA #$25
' c) f0 W% _3 s: m1 A: \ - STA Bullet_Icon,X* i7 y4 j2 T$ ~' ~- }2 E7 e4 w7 c
- LDA #$805 V4 n" u$ s/ L8 O0 o
- STA Bullet_Direction,X
! i0 o. H; ~3 B2 D - RTS& [0 L I. N Z: F& l# b& @
5 Y/ {7 p- @; W7 s; _& X) D- Bullet_Direction_Right_Down:' z9 y$ L# W) y- T C
- LDA #$250 g( S2 k0 R3 `# J0 z
- STA Bullet_Icon,X5 V4 P4 e' N d+ C) I
- LDA #$00
" C7 K) Q. |, {! P - STA Bullet_Direction,X( O4 A$ X0 I3 y& |" e
- RTS
$ {% t$ a$ F& g: i3 B - 1 E/ D- Z$ z7 E" e
- Bullet_Direction_H:
8 O3 z8 k. S2 z& p! O- X - LDA #$244 k1 X9 E$ D4 U7 c4 |. x
- STA Bullet_Icon,X3 ^9 D# M6 n9 W: [1 p
- LDA #$00: e2 v" h; z' E7 A7 Z# _
- STA Bullet_Direction,X- k! o! n$ k/ { M- J
- RTS: p6 A6 L5 l7 S1 [! b) y; t
; \$ f( T# y3 y- Bullet_Direction_V:
8 r* V0 i2 U. R1 ?5 p8 v q - LDA #$23
8 W/ N2 a# @; a - STA Bullet_Icon,X3 m4 C2 f3 D0 x) e
- LDA #$00
, a: G% b2 {5 M6 S - STA Bullet_Direction,X
' V! N0 o, k; K2 R- U: S; X - RTS
- C7 Y+ i" T* {9 o8 N$ u) e& |) x - ' f. z- |4 n6 U
- Bullet_Speed_Data_Ex:
' B) O" O4 w+ x7 `1 W: p - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
( ]8 {0 F6 v5 e- u; D - 5 u e% @$ {+ w: z4 R$ E( c3 c
- Bullet_Speed_Data_Ex_R:2 {& o: [& u# @; n% ?
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08$ O9 E2 G/ t# F
-
复制代码 ' T& ?7 r4 k |8 w
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