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[FC][魂斗罗][J][追踪弹]" c% h- B* }) E7 e
3 o f7 W3 l. ~! k% W/ @" Y! W7 x时间:2023.04.309 ^; e/ |" F( C, H2 V$ {3 {
作者:FlameCyclone8 k& l4 }( h$ z0 b! D
内容:/ e) ^ E$ |4 O# [& N u* ~ e
1. 所有子弹追踪敌人1 P9 d a4 L$ K( L; U `
2. 选择键切换武器( @+ q/ o( o2 J6 A5 p. s7 u
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
3 P4 e# L) f# w
2 s2 e# q; Q8 |+ Qflamecyclone.ys168.com& }' M: H# x5 |8 Y) J. H

. ?$ w3 n+ o6 t6 _6 |( M* _- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
% Q: u" I E1 l/ T; v- e- l - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
/ o- c* K. m/ @' Q - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)7 ?5 o! k# O- S$ m4 G( ~
' @# s+ O D8 c7 M/ 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)9 F A* `# N+ s9 i) ^0 Y1 X
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
% d, E8 Y8 e' W( M% B0 `1 H - ( t) s& p5 |/ Q
- Track_Enemy_Index = $6000
5 R& V! V; U3 J) b+ T$ C3 A0 ] - Enemy_Index_Begin = $6010
0 T* q1 b8 w; j0 W }$ a- \3 O - Enemy_Index_End = $6011' J& }2 A! r [8 _
- 0 \8 L! u) f i; ]: t1 e
- Loop_Index_I = $6012
& E' F$ c) |# P2 T( L - Loop_Index_J = $6013
0 e, {4 o4 Y2 s1 G: q) p - nEnemyIndex = $6014 J0 J) Y3 i% p# q+ |: s1 Q
- Data_buffer = $6015
9 D- b& d$ c! j. C. Y* F8 z3 b |
; v5 ?; f( T# h% c0 R; F) w* ? t! H- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
3 e& S/ g3 ^5 ~' J) M a" c - Bullet_X_Pos = $03C8 ;子弹水平坐标
2 j& g/ F: B8 V7 j - Bullet_Y_Speed = $03F8 ;子弹垂直速度
" ?7 b6 j$ h/ x5 D; e1 J - Bullet_X_Speed = $0408 ;子弹水平速度
8 ^% r0 }: O c+ ?2 q - Bullet_Z_Pos = $0418 ;子弹Z坐标
: N2 J9 Q4 ^$ @ - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
" X/ S! \; C5 a: x3 [" U) d8 z# ]8 o
+ E9 ^$ Z9 ~1 D1 A) A- 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
: J v7 u+ o& J' V1 X3 N - Enemy_Blood = $0598 ;敌人血量, I. z- F' f* Q# x. K+ v
- Enemy_Type_Addr = $0528 ;敌人类型
9 p) @5 s9 q7 |# r/ [ - Enemy_Blood_Addr = $0578 ;敌人血量
J( z* ^ j$ c$ ^5 D/ d - Enemy_Y_Pos = $0324 ;敌人垂直坐标8 t( c% z5 t0 C% k) W
- Enemy_X_Pos = $033E ;敌人水平坐标
3 c4 |' z0 N$ r. d - Enemy_Y_Speed = $04E8 ;敌人垂直速度+ Z9 E( Q7 i8 O4 n0 q
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
" m1 {* S. I2 {5 j - / x8 F$ c- v: i" Q7 o; }0 E
- Enemy_Index = $83 ;: n- |5 H N" \
- Time_Count = $1A6 j# Q. b% K0 i6 N: h% v& K; R
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
4 v# c# l1 d# L5 F/ D - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率$ q7 z# D$ c m3 L# K
. t- |; V+ U5 Z9 E1 t3 F* r- + { t) D$ h. L' J: n0 M
- .ORG $61008 `/ ?8 @. N* n# j/ Z; h4 {7 ^
- Process_Begin:
" i: T8 G5 z% ], H - JSR Enemy_Check
# r# k7 j( O! o/ H - JSR Track_Enemy_Check( f4 g: c1 R) v8 u# H1 I% L
- Process_End:- P5 w6 e: y$ F* i) J+ Y
- JMP $E54F
& `1 H1 q1 q$ Y# R! _& w
& t6 }" a5 h0 q& H- A- Enemy_Check:
1 F5 Q5 J/ k+ p0 J4 d9 _2 h - LDA Time_Count7 ]" o4 h9 U' m/ s, D9 u# x
- AND #Track_Bullet_Speed U+ w( o* j5 `- T' ]4 n
- CMP #Track_Bullet_Speed
" \& i1 |, t; V+ m5 Y - BNE Enemy_Check_End
! G0 S8 n6 Q4 J - LDX #$0F- g) s* a) R; ]+ g4 r! g$ M
- Enemy_Check_Begin:- {( m3 P; s% a9 a. N7 m" E
- LDA Enemy_State,X
. q- E* R' K! x& m( H! { - BEQ Enemy_Check_Continue
. ^/ c" x( y/ ` - STX Enemy_Index0 }7 K! l* d; m
- JSR Find_Begin_Enemy
& ~7 p7 ] i A: k9 U { - JSR Find_End_Enemy
, w- y8 r) x6 E! U) O2 O" H - JSR Bullet_Track$ S$ c6 G) S; q; f" c
- 9 g* H3 i& I: m
- LDX Enemy_Index v; y% V9 Q7 w
- Enemy_Check_Continue:' M' c5 Z: o: V8 J7 _" q W6 B
- DEX- k, [! C* H. d. ?
- BPL Enemy_Check_Begin
" z7 e3 ~' q) B7 K2 k9 v- Z - Enemy_Check_End:, y* D4 q1 s( C/ G
- RTS/ J' [' i7 b/ x
-
( m+ H7 M1 {/ \( _ - Track_Enemy_Check:, J) |. _" I* U( J
- LDA Time_Count
6 H/ X1 q% P9 U8 p4 H4 M% R; r - AND #Track_Enemy_Speed
3 @+ P5 E) \% v* W; [) v8 O; ^ - CMP #Track_Enemy_Speed
2 C g0 R$ z7 @( o5 R - BNE Track_Enemy_Check_End
& K1 l+ F6 o$ m - LDX #$0F
2 b# `, u1 l5 d3 `' S" c4 G* Z& U - Track_Enemy_Check_Begin:5 G4 P' x( m& F& H
- LDA Enemy_State,X
; U; f/ c1 S; H7 a+ R+ S" | - BEQ Track_Enemy_Check_Continue- Y, T- u5 ?( d. o2 y3 [* A
- STX Enemy_Index
) q2 m: r, z' Z* a - ) Z# u3 g9 _& N/ R" x" _+ g1 l8 H. r
- LDA $40! M2 w3 [3 [; N0 `. |( o: k
- LSR: ^) Q) B( f+ R( [- P
- BCC Track_Enemy_Check_Begin_L1
% {6 q1 C% T* e. W: ]* d2 } - $ |9 w& _9 U; q. U8 z @8 D5 J& X
- JSR Track_Enemy_Ex ;2, 4
4 ?: P# K" h! V7 J - LDA #$006 X* J* p) p8 c t, s2 V
- BEQ Track_Enemy_Check_Begin_L2
8 {1 t3 O- v; A9 H6 @ - 3 X# [. A& M5 W7 q* P* R+ Z
- Track_Enemy_Check_Begin_L1:
2 C4 p' o; r; G3 ~7 A - R" H+ h2 O$ \2 V* b
- JSR Track_Enemy! _- n1 c5 w# m- H. N: o
1 e. X: Z {) _6 K- Track_Enemy_Check_Begin_L2:3 H% _$ O4 J, p
- 4 f% v6 d+ {7 U/ Q. K
- LDX Enemy_Index
, I3 d4 v7 A5 W% C, g+ W5 | - Track_Enemy_Check_Continue:
4 ~* }$ r1 {5 |9 R4 X# M7 N. Z, {9 O - DEX
) r# }" w6 j- G6 A) i - BPL Track_Enemy_Check_Begin; h. ^' c" M9 O
- Track_Enemy_Check_End:. S7 a1 A7 e; e, y5 K
- RTS
4 y+ f( u% R' D& x - * V6 O# ?. v& j
) U3 y. d3 L8 j8 l8 ?- z- ;查找第一个敌人2 a' s$ Q. n, ], s
- Find_Begin_Enemy:: V {5 `: b7 j. G
- LDX #$00
6 q& g$ @8 M5 v, q& w: F0 R# S - Find_Begin_Enemy_Check:
/ r( E, a2 b) v+ O. i. R - LDA Enemy_State,X
# {% [7 I3 X5 N- M - BEQ Find_Begin_Enemy_Check_Continue0 e5 q1 ]! W i h( j. N; ~6 \
- LDA Enemy_Blood,X
# _9 C; i; g# E2 [) l9 v$ r - BMI Find_Begin_Enemy_Check_Continue5 @( Z; s6 c @5 m- |4 R2 [
- BNE Find_Begin_Enemy_End
. ~0 D2 v ~ x$ ~' ~- g1 i5 \" M -
% }4 V: i6 q! V" \8 a* f - Find_Begin_Enemy_Check_Continue:$ X o' M. l. g2 Z5 s; H
- INX
: S+ X( d/ q# M4 F6 r0 D- K - CPX #$103 Q8 }. E; G2 `" x2 l* B# g8 R
- BCC Find_Begin_Enemy_Check
2 w. U! C- f. y+ b0 M4 o, c - Find_Begin_Enemy_End:. H* s$ ?, \ v* Z
- STX Enemy_Index_Begin
' S0 ~4 _8 X5 b; Y# g - RTS" s3 K% K8 D: `$ m: p) N
- ; ]4 I- r# ?) d$ M% V# X
- ;查找最后一个敌人7 R h! {0 W2 g' S
- Find_End_Enemy:
^5 x" H' x* r1 q% U+ o* Y - LDX #$0F
: E1 |1 `: v5 P/ Q4 l5 O - Find_End_Enemy_Check:
5 }1 [' E; D2 p1 F- J - LDA Enemy_State,X' ^" [$ {9 M& Q
- BEQ Find_End_Enemy_Check_Continue {. p/ Y3 E: r# {- `* R8 h
- LDA Enemy_Blood,X
0 C1 z8 U k9 e" v$ ]# M6 { - BMI Find_End_Enemy_Check_Continue
5 k; X! S$ a0 c$ W - BNE Find_End_Enemy_End# I5 K3 V U" `+ s9 P
- ( \) p. Z# y0 z' u
- Find_End_Enemy_Check_Continue:
: _$ z5 T' E6 V9 ]3 T - DEX X+ q, Q) }+ i
- BPL Find_End_Enemy_Check
0 D1 l( Z2 ], M0 K$ I, T - Find_End_Enemy_End:0 Y0 l5 p! ?' A2 j3 O
- STX Enemy_Index_End* ~! D" C# \& Z( g
- RTS3 X' |) N. P+ r1 k
- 0 \+ }0 L, E' n
- ;子弹追踪, }! q0 t$ u1 d3 ?5 U
- Bullet_Track:
4 a6 l( {9 ]0 c: k& {0 X" ^ - LDA Enemy_Index_Begin
( F1 @+ z) O1 ~- L/ i) C6 ? - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;6 N+ o( X& }4 g( {7 a
- LDX #$00
- \6 K) X. c1 N/ F# ^: T - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)* q3 l L6 h3 w5 [' ~
- LDA Bullet_State,X
5 l7 [& o) w4 v' ~' n - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
9 ^7 P3 {2 v \0 }+ M& V - STX Loop_Index_I! D8 B$ G- y, J8 R: ]
-
6 ?; j' w4 b9 J- D - JSR Bullet_Track_Enemy
; D0 t. N3 D2 j6 L# O' @ - JSR Bullet_Tract_Direction( x. [ g. e* I3 @9 M, D/ S7 } |- p
-
3 \: e; b! @$ L - ;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3 P( w/ g/ `) X+ ?
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
) Q, n$ y5 |7 m - LDA nEnemyIndex8 J! i2 q' Q& j7 v3 I2 u
- CMP Enemy_Index_End
; X$ q8 Q* C! A7 z6 ]2 s - BEQ Bullet_Track_Check_Continue
6 G# P7 b/ a2 A- S8 u8 ~ - BCC Bullet_Track_Check_Continue
6 O. s5 x3 x' P - LDA Enemy_Index_Begin% r# N7 j" A W d# }8 h/ R
- STA nEnemyIndex
' c' f, V M/ Y' ^. ?5 J( p - , J8 h% ?/ O& L) p& R& H& ?7 s
- Bullet_Track_Check_Continue:
1 P$ \: h& T% |& X% q; Q - LDX Loop_Index_I% ~' O' L' }2 A6 K; n# I
- Bullet_Track_Check_End:* @- Q+ C/ R) M9 Y- d9 C/ L- h h
- INX
) Z- L8 e7 K7 j$ U - CPX #$10# L3 [6 n& h# d7 C9 J1 M: R% Y
- BCC Bullet_Track_Check
u2 z" C- `" W: B9 W9 L% S. U - Bullet_Track_End:/ I& S, A. n" [1 @/ w) H8 h2 ?
- RTS
: J4 V& U" c1 W, H1 M2 P# [( ?- E - , O. M+ F$ j# b$ ?8 ]7 r3 I! m
- ;给敌人分配子弹
; {9 X6 a4 {4 g) R+ }. B) c - Bullet_Track_Enemy:
8 V3 I% B4 n# \4 F1 e; `1 ] - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
; G& l2 p/ T$ ]7 _ - Bullet_Track_Enemy_Check:
* M- X9 M- x, M' |1 l: ] - STX Loop_Index_J* X$ }& q) S; B: j" m$ a. g
-
$ J8 ?4 |7 U1 p1 A3 S; Q3 p - ;if (0 != nEnemy[j] && -1 == nTrack[i])
- l4 ?* { J2 V0 G, |4 X - LDA Enemy_State,X
' Y! c+ R4 l# ^, p( _ - BEQ Bullet_Track_Enemy_Check_Continue5 H. q# S. B0 V0 k" ~
- LDA Enemy_Blood,X* O' W. P! w) P4 [
- BMI Bullet_Track_Enemy_Check_Continue
( e% h, z4 @) q. q4 I; g - W3 j2 D: G! ~# x9 E
- LDX Loop_Index_I
+ E5 ]* ]% V& ~ z N$ D - LDA Track_Enemy_Index,X& K: e- c8 p+ v! s) u# b, O
- CMP #$FF% B3 {; ?8 _ t. _; n
- BEQ Bullet_Track_Enemy_Init3 {/ _& W+ t3 I0 x1 u
-
8 D3 ^0 C/ k* ]7 t" V' ] - Bullet_Track_Enemy_Init:
& R; y9 y- _3 q3 R7 s - LDA Loop_Index_J
9 l, j* D+ ?7 Q! M3 ~8 \: o - STA Track_Enemy_Index,X ;nTrack[i] = j;
/ ?1 y6 H( c) l% F - ~& t. ^9 T; M' j
- STA nEnemyIndex
1 ?) L! s! X" ]5 f! u7 I' | - INC nEnemyIndex ;nEnemyIndex = j + 1;
' t* `, {) A$ |6 w - RTS ;break;, H5 a. D* g' j8 y, i) u9 G
- 1 e q* i- T1 ]4 Y5 H! C2 z
- Bullet_Track_Enemy_Check_Continue:3 m# r$ c$ i- C, j: z7 X
- LDX Loop_Index_J
4 w0 `6 U4 U1 I) _ - INX ;j++
, u& _' o" W, p, ]/ t7 ] - CPX Enemy_Index_End
3 N; n$ r. w; P* o( E w2 x - BEQ Bullet_Track_Enemy_Check
$ z3 L4 m. G: q/ { - BCC Bullet_Track_Enemy_Check
$ y n: C( O5 | - Bullet_Track_Enemy_End:
' w7 l. a+ \/ b8 { - RTS
; K9 f) j! w( A1 D7 ? - * Z' }7 e# k; h; X! K
- Track_Enemy:. I3 x. G% T2 n
- LDX #$0F. ?; q& D2 t8 N8 `4 G3 I
- Track_Enemy_Begin:
0 g7 M# `2 b/ B! B8 t: c - LDA Bullet_Icon,X
/ c' c0 m7 v, A# @/ y8 @5 D! T - BEQ Track_Enemy_Continue+ r) F' F) k9 v
- LDA Bullet_State,X8 c/ h8 m" G+ M& `5 \, D' X" E
- CMP #$01% |5 E$ Z- E' _0 {( {& h5 `
- BNE Track_Enemy_Continue2 w! Q V2 X, J5 V
-
+ ^( O! n- J9 H; v, K) z - JSR Track_Enemy_Process
, W5 i) f, `8 M - # ~- B6 _7 D5 v9 M# @4 q
- Track_Enemy_Continue:7 Q. Y+ D( b+ C4 ~
- DEX
9 |4 o$ [- w& C7 r - BPL Track_Enemy_Begin) P/ |+ c+ t9 R5 k( e
- RTS
7 v7 @8 }4 c" e, a5 N& [$ ~' X
* |* \6 A( r2 [# b/ k' e- ;普通关卡
) `' p5 _ b( u: P7 y: L. | - Track_Enemy_Process:
$ C# w, _- O! S0 x H0 X7 W% b - LDA Track_Enemy_Index,X
( e( v. R; I/ r! C1 L - CMP Enemy_Index2 {" d: b6 r# C4 b
- BNE Track_Enemy_End
* ~2 D# S) [/ o0 D, M" I u' M8 Y - LDY Enemy_Index
' M/ O9 d$ u% \, q6 w7 ~ - JSR Track_Enemy_Y/ m( X0 J |5 c6 x; ], s. e! X
- LDY Enemy_Index7 l: Z9 x) E$ v, B$ P
- JSR Track_Enemy_X
1 d, V- B: c+ e2 T5 Q - Track_Enemy_End:: s1 Z+ K; L0 q8 Q! R
- RTS$ |' A4 X3 {3 V: R6 b4 k- [6 W0 a
- 4 g+ W. J- c4 t k, H2 x. [, X
- Track_Enemy_Y:
) {- \- o( s8 r4 b - SEC
. v; E1 m& j3 E8 L- h6 b& u/ g - LDA Bullet_Y_Pos,X
9 }7 g" U. R/ h3 m% d& J5 h8 u - SBC Enemy_Y_Pos,Y
/ N: i4 A( y) I; L3 O7 X - BEQ Track_Enemy_Y_Equal/ m( y. o, n5 X, O+ h" s# ?
- BCS Track_Enemy_Y_Greater
- B4 O1 x0 U9 Z0 u- H) ^, H# A -
0 ]1 Z- |# C& M5 J9 Q - Track_Enemy_Y_Less: ;子弹Y < 敌人Y$ C7 o% {/ }" S
- CMP #$FC8 Q" n) y# R; U
- BCC L1_18 ^- X+ p9 X$ {' _3 L
- CMP #$FE- S9 Q" _: A( a. p8 U' K# I
- BCC L1_2
l6 b" y$ A# P- I# n# Z# W6 I2 R: K - LDA #$00
a/ K" |: a7 ~7 \ - STA Bullet_Y_Speed,X
: X& m- t/ s6 N' r - RTS# @$ { U- o& e, p; `# l1 T7 U8 J0 V6 P, \
- L1_1:
+ u. }* K& o( o6 K# W; J) i - LDA Bullet_Type,X
/ e: W0 S& U" Y - AND #$0F
4 Z% l2 ? X' D, k3 K - TAY7 X. H: _9 D4 x$ x {. y
- LDA Bullet_Speed_Data,Y
1 F2 C6 s/ j7 O" H% O& H" S - STA Bullet_Y_Speed,X) F) w; {- W# f/ R, j5 y
- RTS
# X* j% R" Y7 V X- X# c* y - - N$ `8 u) B2 @3 x& r
- L1_2:
9 v5 q% L2 J# m/ s - STA Data_buffer
- H$ E# [/ p$ |; w/ S' v - LDA #$00
. g/ G9 d5 C7 u, l( { - STA Data_buffer' O* u9 Q3 C7 r7 I/ V \' G+ N: D
- LSR* O8 {+ X( f5 Y" q Z% h d( v( A
- STA Bullet_Y_Speed,X
0 q. M. [% ~% g( \* b - RTS% E2 q3 R1 f% |+ I" ~
- 6 v2 N/ }: R- k3 |/ \( A; j, ~$ Z
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y; |. X* Y0 L* i
- CMP #$04
7 }& Q4 y$ Y4 J( p - BCS L2_1# Z0 |- q! y- r9 B6 y
- CMP #$04+ H+ }$ v4 Z8 `1 @3 c* ^
- BCS L2_2
# ~4 \+ o3 ?, O* R, J - LDA #$007 W# R7 n8 f, T1 y \2 ^
- STA Bullet_Y_Speed,X5 R! }+ U, y9 c
- RTS
, j' j0 ]) f" l0 F2 J - 6 |- [. ~+ L9 x/ G5 j
- L2_1:
1 O+ w( F5 g0 e3 u( U) F% W, a. J - LDA Bullet_Type,X F8 l! l' W+ z- _+ O/ S
- AND #$0F
9 q- I: Z+ b. ^ - TAY% _# g. ^9 T6 H- C1 n0 I
- LDA #$00- z+ C; f0 w2 ]3 F
- SBC Bullet_Speed_Data,Y% o2 m+ T; V8 B' Y, h2 P( e
- STA Bullet_Y_Speed,X# Z+ \) _9 q2 X' f- O5 d3 j' V r
- RTS. X2 N! U9 q/ I5 }# `* L9 p' V
- L* n6 ]* {2 W4 g. x3 {. v* {1 {6 I
- L2_2:; ?0 e6 I" ^" u4 @# E2 z8 Q0 I+ f) P
- LSR# y0 E3 w5 V' T" g5 a1 X/ B
- STA Data_buffer
6 C4 g/ m3 `1 x( D! E - LDA #$00' J3 Y. k- O( ~. z; }
- SBC Data_buffer
/ @% H* V) {. h - STA Bullet_Y_Speed,X
# @% s* ~. w% S- V$ n4 t; O* Y" c5 I8 W, ] - RTS
8 T g/ S2 S5 a6 Y -
0 A. x+ ]2 ^3 l! T& N# A; b) a - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
% m1 |0 ]0 ^1 D/ q0 y4 E, Q- {4 Q - LDA #$005 P$ |& _; C& Q* W
- STA Bullet_Y_Speed,X2 \6 X; ]7 q% c) j* @* G
- RTS
. z' j2 l1 v% T+ o -
+ ^3 C j [1 I3 M" w - Track_Enemy_X:
: |2 J J/ v# ?3 y0 K - SEC- c% _! U/ v$ _6 S
- LDA Bullet_X_Pos,X) D' B+ F; ~- A
- SBC Enemy_X_Pos,Y7 ~! t0 j5 G5 R( U2 ]
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X y" S6 ~3 l) `. f; N. a$ A0 s# `
- BCS Track_Enemy_X_Greater ;子弹在敌人下方) y K1 x& c h3 K" f; a) }
-
5 S- ^+ ^% z- }- b9 A2 U( V: H - Track_Enemy_X_Less: ;子弹X < 敌人X/ f7 @% W, ?0 C* O
- CMP #$FC
( e7 @. J0 s( M/ s" |1 m - BCC L3_1) `) D: z/ |4 v, T
- CMP #$FE# U6 ^2 z- I& P
- BCC L3_2
# b7 f- _: q& e7 o& S' R% E - LDA #$000 ~+ \7 I& t4 n" S& r3 @- C
- STA Bullet_X_Speed,X
" o4 z$ F# J. K* o; O7 P; [' s+ u - RTS
7 @+ \- t. o8 H. ] - L3_1: z9 k% r( Z z4 M2 e
- LDA Bullet_Type,X
: p3 r' k7 R8 b8 T - AND #$0F
0 A) ]& E7 a0 d! b6 g' U - TAY
; [, d b' V# l - LDA Bullet_Speed_Data,Y6 I4 K1 }, p6 B1 D. `3 n9 Z6 p; A
- STA Bullet_X_Speed,X
( \- A, S! R6 f% o, R _1 h9 F/ S - RTS
3 u/ L4 u- n, f$ h, j1 e. t - L3_2:
8 K- M0 z% s$ h4 s4 }5 T - STA Data_buffer
; {1 Y5 n, M2 `3 g; P - LDA #$00& J/ ?$ s1 e6 ]+ I4 S$ `$ Y# ?
- STA Data_buffer
- P1 h, K6 x- {" m4 ? - LSR! j) |4 ^. ~- t, ]
- STA Bullet_X_Speed,X
6 V w/ K0 U: G9 k! L( j( r - RTS
" ?4 L. h5 p2 s5 m) W' R8 w -
" c) A( a1 l/ F, \+ m - Track_Enemy_X_Greater: ;子弹X > 敌人X5 h( h1 u1 E, o) b8 x+ s5 r0 ^+ g4 i
- CMP #$04
, e& ?( _4 F3 O# \8 p( M# I - BCS L4_1) z+ k4 l/ @2 \1 _& D- i
- CMP #$023 [2 @: \% q2 w$ b. r3 ?
- BCS L4_2+ z% e0 p- e+ F- C7 t* d6 |
- LDA #$00
/ f, [+ j" A0 v6 ]/ \6 g M" B - STA Bullet_X_Speed,X3 u, R/ D% K' Y- _4 F
- RTS
1 U$ n* N- w4 R' H1 Y: Y - 0 g( [& ^8 G$ q2 n3 S/ {
- L4_1:
" h( ?6 R- S9 i8 h+ L - LDA Bullet_Type,X
. p$ h4 d2 R0 D; t' d - AND #$0F8 o: y4 y% L2 W! J& ^
- TAY
, K5 i) W& H! C7 O+ U - LDA #$006 l% g% \' Q; V, k, b7 }. S
- SBC Bullet_Speed_Data,Y& n9 u5 v1 i3 `5 t6 T1 u p
- STA Bullet_X_Speed,X
* ~9 c3 \9 _ m! @ b l1 I - RTS& ~0 t8 g" {& Q0 G# E/ x8 m/ [1 R
- L4_2:
+ G9 {2 K9 a; p - LSR4 p3 ~$ i& v0 Q7 a/ k; S
- STA Data_buffer
* c5 y7 `3 t. h6 r7 S, ?7 D) F' l; x - LDA #$00: b/ B! ]# F; q, G$ z. X- b( t
- SBC Data_buffer) ^/ ]% j5 i8 @. \! r8 V
- STA Bullet_X_Speed,X5 {0 s& c6 ^; {) | o9 \7 T! f
- RTS) Y! k2 U+ i; B
- 8 ]2 U5 _4 `2 H: Z
- Track_Enemy_X_Equal: ;子弹X == 敌人X9 J7 n/ Y& |3 q! a0 S
- LDA #$006 T. S) {, A" _$ O$ H! W0 @) k& k
- STA Bullet_X_Speed,X
* [' F+ w1 f$ y4 q, @# p) d% r - RTS
# I' H6 f# z6 m, P! w) e, n - ! A+ T; m, I ~5 \
- Bullet_Speed_Data:5 ]" ^! W H. A. W
- .DB $00,$03,$03,$02,$03,$03
. Y" Z0 X$ \% o -
6 G( A" `6 r$ g1 _7 K. E2 ` - ;2, 4关. m# ]! f) t0 @; ?5 V/ Z: s
- Track_Enemy_Ex:/ e6 o4 u' g7 h& Y! P! g
- LDX #$0F
% D, b! H+ S, z: { - Track_Enemy_Ex_Begin:
3 y1 q# {2 u1 W
; i9 M( c8 ~* T2 @- LDA Bullet_State,X- h& K5 K! ]5 J
- CMP #$01
$ C# R/ j$ ?/ _& X& C# R - BNE Track_Enemy_Ex_Continue
. c5 `5 q$ D& m$ ] S4 o - 6 w$ N' y: O: E) h, R
- LDA Track_Enemy_Index,X
3 w4 m; c) Z9 G7 h! [# ~ - CMP Enemy_Index
`& ~7 o" ?/ b: `4 U* { - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
/ N# k" G% F+ @: ~. ]) Y6 D -
' c( t7 D6 D4 }! [/ A# b - LDY Enemy_Index
9 T1 \% ?+ A5 A7 r3 j! g - JSR Track_Enemy_Ex_X4 |1 G' \8 W2 f1 n% J2 j1 h9 n; k
-
?' @' M3 `; b% b# D - Track_Enemy_Ex_Continue:
0 ^3 {$ P/ ^+ I$ F. Z4 O - DEX9 q2 I. y; f1 B6 d; H9 z4 ~' q2 f
- BPL Track_Enemy_Ex_Begin, ]( _! Z8 W6 }! g. S/ ^
- Track_Enemy_Ex_End:* T2 ^' R. u" s. S: n2 f% R
- RTS: ~, v# P* ~/ C
- % B/ k4 Y( w5 }+ J) k
- Track_Enemy_Ex_X:
7 a a1 h# C! Z& e - ;LDA Bullet_Z_Pos,X$ E9 ^4 l/ F- l8 j, D/ \
- ;CMP #$04
b$ w$ o1 z3 W1 @ - ;BCC Track_Enemy_Ex_X_End' ^7 N# @0 I0 F" P w) v
- SEC
+ Z& H! h) A) p% g9 z - LDA Bullet_X_Pos,X$ w. [0 `, ]& n% J% X
- SBC Enemy_X_Pos,Y' \. t) e' l1 A+ n" B* w o
- BCS Track_Enemy_Ex_X_Greater" N2 E; j0 D0 I+ _
- . _5 X! h3 K2 h* [
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X& e3 M, H( X/ x) X# `1 {
- CMP #$FD
1 s. X! C# s4 [6 @1 V! @# j - BCS Track_Enemy_Ex_X_Less_End
4 F" z2 x2 X# B, J1 Z: D+ Y - LDA $6020,X7 i% ?! v, {$ `5 m4 v( u; G
- CMP #$2A8 h$ N9 m6 j0 ^/ n7 A/ O
- BEQ Track_Enemy_Ex_X_Less_L1- c# o5 R9 j4 o8 A% O% G8 T
- LDA Bullet_Z_Pos,X9 I+ P" ^+ k( g7 d1 x( {
- LSR# C! c$ |" w6 L9 a) Y
- TAY0 A8 W5 j3 X0 \8 M$ I
- LDA Bullet_Speed_Data_Ex_R,Y" {. S' t+ A0 `8 ` a7 ^
- STA Bullet_X_Speed,X
. ^7 \. P9 z" d - RTS0 X" f" b8 g2 W- T& v, L, z/ ~
- Track_Enemy_Ex_X_Less_L1: i$ u3 X8 e) u6 ~" u
* B7 m }# |) R- LDA Bullet_Z_Pos,X: B P+ w, C2 \& ]
- LSR( n3 h6 R! |6 ~( V K
- LSR: j, `( [* s9 b6 ]0 e. g3 [
- TAY0 ?" n; M9 J: g7 M9 N6 t
- LDA Bullet_Speed_Data_Ex,Y
) F4 o: i* K! t! j- V - STA Bullet_X_Speed,X
4 M, U- A# z* b0 D# ] - RTS
4 U" N9 k4 V$ a) B' ?' h -
6 ~$ s; f9 q& r! u) S - Track_Enemy_Ex_X_Less_End:1 G ?0 u" p5 B4 E0 Z9 Y+ O
- RTS
T6 ^5 J' m8 g - ) d- U3 Y* j( G6 o1 W7 ~ F; j
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X1 o o" x& g1 n/ W& E1 u
- CMP #$03
/ D: |) L1 m. L" x9 q: J - BCC Track_Enemy_Ex_X_End' _6 k6 g+ z! c
- LDA $6020,X9 Y5 [: U1 ~* }7 T* f
- CMP #$2A
# ^# v; j- _. P- W$ G/ b$ \, K - BEQ Track_Enemy_Ex_X_Greater_L1! U: M; ~$ E$ V* l3 z5 K
- LDA Bullet_Z_Pos,X" Y( T! a+ y: z; _
- LSR
2 E# Z* @4 d/ G4 T: C - TAY1 [3 l$ E, O" D1 a q
- LDA #$00, o. d0 L0 S, P( ^! f
- SEC {% ?" @2 ]8 i
- SBC Bullet_Speed_Data_Ex_R,Y3 J: x F5 Z3 M' `5 J5 d4 \9 ~
- STA Bullet_X_Speed,X
& z) d5 Z* u s3 Y! e/ `( C - RTS
1 |: v+ @1 f& s% z$ Q/ K - # _; s8 u/ A9 f3 C7 t5 l2 c
- Track_Enemy_Ex_X_Greater_L1
% B) @$ b$ w3 c( K; E - LDA Bullet_Z_Pos,X
d: B4 h( z/ ? - LSR
' d* e: _2 t4 n ^6 Q7 t4 N - LSR
$ U4 o- [) b# U) L - TAY4 M1 k# H y Q6 z+ [7 w, M0 n
- LDA #$00
- u, w5 M. a- k8 k - SEC
! k% l4 ]: }- [8 c/ A) c - SBC Bullet_Speed_Data_Ex,Y5 G- E o% V& S: N4 D6 M, l) X1 d% I
- STA Bullet_X_Speed,X
# c0 K9 M8 Y9 m - RTS6 [2 r# G! v9 f- G7 P s
- ) A6 o- I @- T+ I
- Track_Enemy_Ex_X_End:
7 J* P( _. f. |& K1 }2 z - RTS J7 G. b" f* {
-
4 V& E% W1 o) |/ M 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)
9 @" w3 R8 O& T2 L8 V* ]( M - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
0 h8 x" z: y& ?" y - Bullet_Tract_Direction:
7 j3 H1 B1 K: G3 [ - LDA Bullet_Icon,X( } x! c: P% j1 B- x
- CMP #$231 U0 V+ r4 @: @
- BCC Bullet_Tract_Direction_End# c, g1 m8 F( @: K9 K) R/ U }
-
0 { i" }: P' m - ; X != 0
. H+ M6 L% \1 |, \4 o. ?4 Q: h - LDA Bullet_X_Speed,X
% s: z' e% M& B' z- N3 W" A - BEQ Bullet_Direction_V
) w( [1 v- n; D+ M! Y - 9 k" p* z9 _- f
- LDA Bullet_Y_Speed,X
; o! N3 A2 N+ R! f9 ~$ e - BEQ Bullet_Direction_H
6 h+ G* b& Z: Z* y - 8 E) h7 h' Z) H* Z: B$ r, X
- LDA Bullet_X_Speed,X x1 z' u! Y5 P+ j5 u+ u
- BPL Bullet_Tract_Direction_Right" Z5 H% [0 x. M1 `$ x G5 R! \
- Bullet_Tract_Direction_Left:! w; f P" N. h8 i
- LDA Bullet_Y_Speed,X" q8 k b/ a9 z& P
- BMI Bullet_Direction_Left_Top$ a O {# x( P
- BPL Bullet_Direction_Left_Down
3 c; ~$ E2 @1 H - Bullet_Tract_Direction_Right:
" r2 o1 M; P6 G; A - LDA Bullet_Y_Speed,X, C# v/ l6 a1 S
- BMI Bullet_Direction_Right_Top
1 k3 a8 L4 H( a/ \ - BPL Bullet_Direction_Right_Down4 f; d9 g6 [7 D0 N) T4 p" g: Y
- Bullet_Tract_Direction_End:
( g( L( E. N1 }2 R; n2 i L! } - RTS
+ N. ] r" S% _+ o. k; X' b8 e) y - 3 ?" U/ j7 B; `
- Bullet_Direction_Left_Top:
5 G+ c8 E% h0 c. d% p - LDA #$25* _/ }9 M9 v) `* n. _
- STA Bullet_Icon,X
8 v- z5 a; n( H6 c4 x - LDA #$C0
9 m0 u5 W9 a4 }4 L - STA Bullet_Direction,X
. C* _% f0 ^9 b- r F7 R8 x - RTS
+ v# u/ l. x& ]* e9 ? - ( v( |$ X( ^! }7 E
- Bullet_Direction_Left_Down:
6 g- G3 `: T" y) u, h5 R3 ~0 K1 v - LDA #$25, T% Q$ G$ A( h0 r$ f
- STA Bullet_Icon,X$ M4 {2 I8 v; b, V8 o
- LDA #$40" z0 f3 \$ M8 I* l
- STA Bullet_Direction,X
* }4 P% A6 B1 r7 D - RTS
9 d+ o' S% {5 c7 x - 5 u% P: Q6 B! f$ G: `
- Bullet_Direction_Right_Top:
6 t1 I! ]3 n3 [8 X/ ?0 L [ - LDA #$25% ^% Z, u8 J" s/ u ]
- STA Bullet_Icon,X2 R. @9 ^# g/ g2 g. j
- LDA #$80
z9 ?0 f _5 @0 ^. ~6 w# w - STA Bullet_Direction,X
: l2 B: J7 |0 l# F! ]; s, u' ^ - RTS6 @/ ^2 N/ F' z7 W7 A& l
- + ?) q( A: k8 L$ L' X
- Bullet_Direction_Right_Down:' G8 r. d* c! a5 l! b6 f! \
- LDA #$25) ^2 E0 `% w+ r1 n: M
- STA Bullet_Icon,X) W# d5 m- H( K9 j
- LDA #$00) A' A- S; Y6 r% b+ d
- STA Bullet_Direction,X
# w$ r/ Z0 K( w" f, z - RTS
( I8 g# F2 }' k: N. s$ m$ P: N - : }5 c: _! f/ _7 T+ o+ C2 m; O
- Bullet_Direction_H:1 l& C0 ~2 {0 O% T8 G+ r
- LDA #$24) j3 W, L- P& R; W- o% K0 J. }
- STA Bullet_Icon,X# j; d) h; n! m6 `0 ]
- LDA #$00
$ l/ c4 v* Z1 C5 s - STA Bullet_Direction,X
5 [8 z' ~& [1 ~$ k: P0 o - RTS( f \7 \1 G! F7 U0 r
! r1 w) P& R% r- Bullet_Direction_V:) H1 a, e9 Z+ C# H" d% A
- LDA #$23
* {* z8 r8 } l u' {3 G! b9 T - STA Bullet_Icon,X
4 c& \3 b" N$ ~( E% \# A% z, t5 W - LDA #$00
, Y: m6 ^# O. E* g. x% }& { - STA Bullet_Direction,X
8 H! N8 ^% a8 }& T - RTS2 H7 _4 P" Z( ? a
- 6 I" \* W) t! j
- Bullet_Speed_Data_Ex:
8 b! ? |0 ~, y. v2 r) g0 d- l - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$041 [$ G1 d" K: `- G* L
-
7 t2 Y( ?) ?; R+ \5 l! \0 _ - Bullet_Speed_Data_Ex_R:+ e/ _1 F1 ~/ M
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$080 u, r2 D% A7 v5 Z
-
复制代码 $ R9 ~7 M) c9 y; R" B; u% ]
4 p* K5 m9 X- Y, |' Z, ^- I
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