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[FC][魂斗罗][J][追踪弹]
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$ V+ w9 ~5 g) {# Z# U+ e! }' C时间:2023.04.30 G( f1 e, W' i6 C& s0 W! J
作者:FlameCyclone
1 X/ o+ e) R/ j( J3 B内容:& }8 L' N/ I. ^5 b* p
1. 所有子弹追踪敌人3 L/ R3 l( P# d w" J3 o2 N
2. 选择键切换武器" N6 F$ `4 }% O* o& @) b. Y q3 w
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
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flamecyclone.ys168.com
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- \: I. `+ o) m- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁& }* U+ i9 i3 _( F* I _
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L3 Q+ |7 [0 a! F% _! B6 O
- 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)6 E7 F9 g6 w) N6 F7 y9 g
: ?# B5 F+ H0 d" o, H" h. E" g. Z6 O& {- ;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). N7 T3 ?( A) b- U: r0 [
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 j; G/ J; l& w/ j
- 5 Q* I3 W8 |! i- C3 U
- Track_Enemy_Index = $6000- I- p2 z2 E' a ^
- Enemy_Index_Begin = $6010
X7 m/ G9 c4 F" b2 M% i: t( a - Enemy_Index_End = $6011/ Z, T6 T8 Y$ x6 j
- / T% K6 u. J$ M8 W, Q
- Loop_Index_I = $60127 V3 T! b6 S4 Q8 {
- Loop_Index_J = $6013
$ w# n3 c. X) y; S; |3 \* P - nEnemyIndex = $6014
) ~4 y8 \- G# A/ R - Data_buffer = $60159 ?5 t+ H% z& i3 ` h- ~" ]' {
- 8 y3 X8 |! B2 L/ n4 ]+ A
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
. p/ {8 O; i- u! ]3 s! ? - Bullet_X_Pos = $03C8 ;子弹水平坐标" h9 Q: ~8 W: S% N5 P8 R9 Y
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ D6 M' [4 W2 L9 I - Bullet_X_Speed = $0408 ;子弹水平速度
4 u8 D( F0 k1 c1 i6 v - Bullet_Z_Pos = $0418 ;子弹Z坐标
/ c$ |0 ?1 C% P" g) r - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P1 [* B# r3 ]3 @9 @/ f2 K: ?% ]! m
6 u4 I! I+ D- K' Y- 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
, g1 W: ^5 _: S( G+ f! E, P - Enemy_Blood = $0598 ;敌人血量
* g! n: T/ ~, Q. ]- D - Enemy_Type_Addr = $0528 ;敌人类型
% c/ @2 V; i/ n" {* k - Enemy_Blood_Addr = $0578 ;敌人血量. u: J) |, [% K7 W/ _/ ]
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
: M! g% K/ b+ W- Q" Z+ `! n' v9 t* k - Enemy_X_Pos = $033E ;敌人水平坐标+ [# v; H }( _. @9 \! f0 V
- Enemy_Y_Speed = $04E8 ;敌人垂直速度8 |6 ?" r4 r% ~( P ], g8 t
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
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+ W3 V9 }/ E' z5 |- [$ P2 \- Enemy_Index = $83 ;* q' k+ C2 ]% P$ X8 e; x1 W1 H$ K
- Time_Count = $1A
) [, m1 a2 N; S! X; x) a - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率: C$ F7 W' a8 B' B" z9 l! ]
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- & {, {! H5 B& \8 { |
- .ORG $6100
8 W, j5 \5 s& h3 y/ d - Process_Begin:
- r) X. e. w- a6 T. O - JSR Enemy_Check3 e! b9 X" l- T9 U" q9 i7 x; R9 [4 Q
- JSR Track_Enemy_Check2 ~% I3 N1 U# X8 {
- Process_End:
1 F$ u' b/ n' I7 a' l. v - JMP $E54F5 o9 Z4 k N. e5 o
- 3 Y6 a" p9 L3 |, n" x& L
- Enemy_Check:/ y( G& V+ ^& q* D+ d
- LDA Time_Count
4 a" ]$ Q( Y8 _, s4 a% s - AND #Track_Bullet_Speed
' t" x" Q# z3 O, c" L. c) _ - CMP #Track_Bullet_Speed3 d2 I B: X3 P1 M4 q; K" J
- BNE Enemy_Check_End
3 X4 B0 L4 `' Q1 u# b - LDX #$0F/ i, E7 R$ @8 g
- Enemy_Check_Begin:
- J. o: ^' ^1 q" F - LDA Enemy_State,X# d5 _1 l* p% Q6 {2 l8 j
- BEQ Enemy_Check_Continue
$ `' j+ U2 ^# m2 v - STX Enemy_Index
/ P. Q8 }4 x9 b' X4 X% e1 Z1 [ - JSR Find_Begin_Enemy
, ^) r2 Q0 w7 q - JSR Find_End_Enemy( i$ w4 C' ^) T8 J5 S
- JSR Bullet_Track
- i) M& G; z M2 g1 K - / j8 V5 H V% o3 u2 A
- LDX Enemy_Index0 v% j9 a2 g' f; K6 l1 V; d; M
- Enemy_Check_Continue: U2 K/ K) n# u. k! n
- DEX
5 P8 ~8 A" u) {9 W8 K' [$ ~ - BPL Enemy_Check_Begin
0 j9 u1 f8 v% h9 k. B3 J/ y4 g3 t9 l - Enemy_Check_End:
7 {" {5 D: Y9 U; x - RTS
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- Track_Enemy_Check:
+ _0 l0 W I2 y1 T: S4 U+ S - LDA Time_Count0 q; g5 W/ K- ?* X
- AND #Track_Enemy_Speed# B0 p; ^+ `! S7 M
- CMP #Track_Enemy_Speed: i1 E+ S* ^% k' f R) ]
- BNE Track_Enemy_Check_End6 F8 E3 V( X* z* g0 h7 h
- LDX #$0F
6 V1 ^% G1 I+ E, M& q6 V - Track_Enemy_Check_Begin:5 R: a) R+ b' D! B7 O" H% ~+ f) s! u
- LDA Enemy_State,X
& f3 g9 _. |2 p$ l; q X - BEQ Track_Enemy_Check_Continue
7 m6 j) L( ]& T" k - STX Enemy_Index
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5 y2 t# F. V- R6 i3 ~ - LDA $40
* Y( A _! o# ]. V% \, ^+ C$ Y - LSR, A; D {+ v' _- d, ~: G
- BCC Track_Enemy_Check_Begin_L1
- M% s" i, i* ~ - . X# F) U2 U; Y! {: n, o* [; s/ b
- JSR Track_Enemy_Ex ;2, 4' k8 e2 ], t8 [6 U- T X4 X
- LDA #$00
' W% D2 @+ t! a% l( }" X - BEQ Track_Enemy_Check_Begin_L2: H9 k1 j" n* _# l6 N
-
# r- d' D: \5 f( a - Track_Enemy_Check_Begin_L1:
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6 ?2 P0 E" X3 H% r5 S0 I - JSR Track_Enemy9 c9 {8 x( h" y/ `
- \3 I$ G) ]$ E; Z8 p- Track_Enemy_Check_Begin_L2:6 \1 {, \* |& N- e
- " l0 D I4 Y' B7 s; Q5 c8 ^- [3 V
- LDX Enemy_Index; j4 I1 H! m: f. N5 B8 V9 ?
- Track_Enemy_Check_Continue:
! F6 |4 I0 v8 v+ U - DEX
4 \# s( z6 t; q$ _+ m8 f - BPL Track_Enemy_Check_Begin8 }9 w" H9 P* y0 I D/ b
- Track_Enemy_Check_End:
V# U/ h0 {* T; C - RTS' O2 K. b% V, {- X3 u7 c% g+ M- m
% p" ~7 |6 }4 F2 W1 b9 W$ r- 2 r- a2 P+ J, \1 m
- ;查找第一个敌人: j9 S9 p0 }) I0 _ ~
- Find_Begin_Enemy:
/ F; o& z, x; F0 u$ r, e - LDX #$002 A) Y5 q& S0 g- ?
- Find_Begin_Enemy_Check:- @3 _7 [) a& `8 y; `( r
- LDA Enemy_State,X. i3 {( }5 P; ^) c) R
- BEQ Find_Begin_Enemy_Check_Continue
2 m) \* {4 y# k! B - LDA Enemy_Blood,X+ B2 R4 {) V( d, V/ ?0 H* ?1 h& L
- BMI Find_Begin_Enemy_Check_Continue
; F+ y& d2 C% \6 M' i! l6 J - BNE Find_Begin_Enemy_End: Q" d0 i9 T+ p. o
-
8 J d0 n b. `; }6 d - Find_Begin_Enemy_Check_Continue:
, R/ [* R Z' w: \9 R: K0 k - INX b& K2 r9 c# M" ^( s
- CPX #$10. W* G$ o+ F$ B+ o6 h+ m d
- BCC Find_Begin_Enemy_Check/ N( F; [. |6 o, e" s2 {
- Find_Begin_Enemy_End:5 q& ^! Z( x% `& m2 X7 z
- STX Enemy_Index_Begin
% R3 L& k* ^+ Q0 G Z - RTS
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9 ]9 A" v; l) b6 V; \- Z5 j. |- ;查找最后一个敌人
, f: u& B0 }* u$ ~8 | - Find_End_Enemy:3 S4 u. u2 I% T3 N r3 w4 X
- LDX #$0F
& C2 i2 v0 ]9 U" r# t3 N5 d5 {$ d$ X' ^ - Find_End_Enemy_Check:
6 w+ o7 {+ a) u1 U" c l; ] ^ - LDA Enemy_State,X# r6 Y% R: h8 |; X1 s! T
- BEQ Find_End_Enemy_Check_Continue
- ^0 d ^- v4 Z* h - LDA Enemy_Blood,X% e* G+ _ f, o0 \6 O1 y
- BMI Find_End_Enemy_Check_Continue
* p. ~* M9 _# v8 W) Q - BNE Find_End_Enemy_End
n/ F9 M/ U; l -
) @$ Z: r" e1 H7 p) e - Find_End_Enemy_Check_Continue:3 p/ f( j6 M( u1 b2 M
- DEX
% P5 K( q* u3 Y) V& M: i - BPL Find_End_Enemy_Check
. R& H! G8 |: w5 o2 x7 N1 W - Find_End_Enemy_End:8 \- ]+ X4 b7 C! K" V5 k' U9 f
- STX Enemy_Index_End
8 {6 u# r; H) y0 ?4 O6 U7 Y - RTS! k$ [$ }" }" I' k
- ; P0 a" a6 I! Q+ Q2 o
- ;子弹追踪
; C0 f, B2 X# x, [* O- w - Bullet_Track:
7 H" Z) x1 s* Z c - LDA Enemy_Index_Begin) a. m: I" F5 p- Z
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
2 }5 R$ K, u- F; n7 k - LDX #$00
2 u* }) f, G, y1 n/ K; q( U! l - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++) ?2 B$ |4 L3 F6 x+ d) N6 k( N
- LDA Bullet_State,X, i! `# Q( F# X0 s. w
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
4 m5 g0 S( F0 I* L9 n. H - STX Loop_Index_I% |$ h0 `: P- x7 j% r
-
7 j7 `; @9 k: { h/ ?1 I! _' w - JSR Bullet_Track_Enemy% o8 l& s" G& c) U# p; A
- JSR Bullet_Tract_Direction
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- ;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
* W1 J E7 M* D1 m# ^8 H - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;' H* s' u1 R9 P& T& ]
- LDA nEnemyIndex
9 `. d2 S$ X5 n1 o5 ?: ]. D - CMP Enemy_Index_End
) ^4 h% H; A! p/ F - BEQ Bullet_Track_Check_Continue3 k4 O: \9 G3 K; Q! W9 z7 G
- BCC Bullet_Track_Check_Continue
$ T7 _! `& a$ ?) T4 f- Z% j - LDA Enemy_Index_Begin
# a" V! S8 C; W2 M% U& x - STA nEnemyIndex
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- Bullet_Track_Check_Continue:
: D8 }: C5 m! |5 x$ P% Z - LDX Loop_Index_I& h. K% B3 z* S4 i: m. Q$ v
- Bullet_Track_Check_End:
& V7 k0 ^7 m- e4 R$ Y! K7 B - INX9 s, O Y3 ]3 G4 L {0 q
- CPX #$10- L, ]" d4 f' C- P1 Y
- BCC Bullet_Track_Check
5 G$ ~- f9 u# v2 S% z! e - Bullet_Track_End:6 d, p/ i' ?) T9 l' j6 R
- RTS& v% K9 b1 N z
-
/ G7 d- H3 s/ U5 j% ? - ;给敌人分配子弹
! M: X4 @. Z- e, Y6 z - Bullet_Track_Enemy:
" p7 Y( G8 ^7 S% v - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
& Z" z8 E! v# L4 F" d - Bullet_Track_Enemy_Check:
9 P2 |) i, x/ P, q: g3 ^ - STX Loop_Index_J
2 h. w7 m3 e" T1 K: v& h+ K - 2 s; E7 n8 Z+ o9 m% z
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
9 G3 n2 f; [9 J9 n# C. T - LDA Enemy_State,X
7 Y- E @$ R, ]; S9 y, L - BEQ Bullet_Track_Enemy_Check_Continue
( x! a2 f) g+ h3 u. B8 F, D% q - LDA Enemy_Blood,X
& J6 c4 Z: {' _% |; e: W - BMI Bullet_Track_Enemy_Check_Continue Z* s8 u; S8 R6 H9 r
-
. E: ?( C8 l8 L* h3 X - LDX Loop_Index_I
$ k: \3 E& L; f) Q) Z5 I6 Y - LDA Track_Enemy_Index,X) ~1 _( I) ^, Z; D
- CMP #$FF
1 B" b0 C! b5 g1 X% q) h8 u: N2 b, C - BEQ Bullet_Track_Enemy_Init
. m1 g* T7 K- y7 c l - 4 d! b9 S$ [6 `
- Bullet_Track_Enemy_Init:* ^, \6 B* H' l* Z
- LDA Loop_Index_J, D( d. Q0 S+ a8 \2 A Y4 R! ~
- STA Track_Enemy_Index,X ;nTrack[i] = j;
$ ? S/ K2 K8 A4 G4 m6 {; N - 9 D6 N. C" H1 x
- STA nEnemyIndex7 g1 ] y+ x+ [% m3 S5 e
- INC nEnemyIndex ;nEnemyIndex = j + 1;
! @5 S, a5 `& |- M: W$ @5 y+ B - RTS ;break;# z) _; w2 g, B, I: w
- . T6 } S; F2 R
- Bullet_Track_Enemy_Check_Continue:) a+ n( D$ K$ L# i0 B
- LDX Loop_Index_J
/ _. |: c* c$ P0 W# [. L - INX ;j++/ `0 @' T+ M3 ^
- CPX Enemy_Index_End
5 ^, m( q" k, r. o$ } - BEQ Bullet_Track_Enemy_Check( l# W! l4 x+ q; b. d( {/ }
- BCC Bullet_Track_Enemy_Check
; V. j/ N; n6 J% ^7 U8 s - Bullet_Track_Enemy_End:
4 U- \$ ]0 {0 |- [" Q' } - RTS
6 ~( F3 a J; ^' k, [0 _1 w
9 B# V* \7 l. w8 E# e* u- Track_Enemy:
8 ^8 R! k0 H; K - LDX #$0F
6 N: f/ p$ M9 _& @" w. A1 k - Track_Enemy_Begin:$ x( q/ O- U: d6 d# V- R
- LDA Bullet_Icon,X
; R) u" _/ I, h; h; L) x2 M+ L - BEQ Track_Enemy_Continue: V6 U0 T' |7 `
- LDA Bullet_State,X2 F. `' v2 n5 i Z: T, h
- CMP #$01
+ M# J- k& R0 O5 ] - BNE Track_Enemy_Continue
5 v" M7 }) X' C2 {- [ -
+ ?+ }; j: ~6 l P - JSR Track_Enemy_Process
' L: h* {- g$ L; x5 X -
: R) B# N% u: |- b0 V' N. {7 G - Track_Enemy_Continue:
/ h3 \. l& U+ v$ G4 g - DEX1 |0 i0 S- R% p! c
- BPL Track_Enemy_Begin4 G( C4 h G! t" k5 N& d( a
- RTS8 l) x5 |# P8 G/ j% s. `
- 2 Y+ [7 V) p% L; i( X3 V/ {
- ;普通关卡5 M( o* ^+ z9 L# ]" X
- Track_Enemy_Process:3 C; ~, a' r0 p& \
- LDA Track_Enemy_Index,X
. C, a, k @ v0 x - CMP Enemy_Index2 v" B4 p9 x( p% H
- BNE Track_Enemy_End
# S: r Z" L/ J P8 v4 l" U: f - LDY Enemy_Index' Y& j5 x% C. c4 H7 b/ T3 N+ D+ y2 L
- JSR Track_Enemy_Y
, F s, p5 G8 i) Q* v3 p - LDY Enemy_Index
* _8 K: ^* f1 ^- G- L: }# M/ g - JSR Track_Enemy_X' Y, v2 J. d: _& q
- Track_Enemy_End:! ^1 L7 x( t4 C( ^" G
- RTS) F6 e) ~* |, h0 h
-
# f' H4 a8 I) p4 ? - Track_Enemy_Y:
) n% q, h6 T. h1 x8 U# G' L( z - SEC/ v4 W4 A, K5 @: p
- LDA Bullet_Y_Pos,X
, c! D7 x; F% t8 d& ?, [! ` - SBC Enemy_Y_Pos,Y! G( m. ?/ Q9 r% O
- BEQ Track_Enemy_Y_Equal& w3 g A5 |0 M. o6 H2 Q. z- ^# C
- BCS Track_Enemy_Y_Greater: G! I+ b+ j Q9 v: |3 b y3 g1 Z
-
" e6 r7 y: t4 n! y - Track_Enemy_Y_Less: ;子弹Y < 敌人Y9 B* w& A7 G. K5 u
- CMP #$FC
! `' n- j$ ~; _. I# h$ V. T - BCC L1_10 R7 r- p& [4 \9 Q8 P6 ~5 U% f
- CMP #$FE$ q, g% Z8 A# s. t* \
- BCC L1_27 J- C8 ` h5 N% J
- LDA #$00
[/ }, p* m( g6 g1 O1 E3 q' ? - STA Bullet_Y_Speed,X$ P9 ~1 A) p) F6 E% b9 L5 S
- RTS
5 k) y/ j" ]5 N - L1_1: 4 u5 g4 H3 I, U" P& x
- LDA Bullet_Type,X
! {% C! `( n" x/ {' |# g - AND #$0F
+ ^8 |/ E0 }% Q/ q- X5 i. K6 S9 X- ] - TAY& v1 Y4 ~/ h3 b5 A8 z
- LDA Bullet_Speed_Data,Y5 e# O. R! V& O! }( U) G
- STA Bullet_Y_Speed,X
+ q3 o( g* [8 S- N - RTS
( @( Z, x1 s+ e. O8 @
8 C+ C- W$ k5 \- L1_2:
/ P h- _- w2 h% ?) V - STA Data_buffer+ C- _4 S) a* B/ r* g7 g
- LDA #$00- D' \' }# T9 r2 V4 z9 A- S
- STA Data_buffer, s* N. k; W! Y7 F) i& f9 v7 V
- LSR4 n1 d5 c. i t0 u
- STA Bullet_Y_Speed,X) _. P% R# ?! a* K( H
- RTS3 {3 E$ u6 {- D' @; p) H: l4 `
: ?% q/ h8 l& q. @% `% d" x# V- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y4 \% m! D, F9 F$ Z& ]8 m
- CMP #$04& \8 u' @1 K1 ~
- BCS L2_1
^+ ~2 j5 P0 |/ p! C. C - CMP #$04! r4 k2 \3 M' N8 {
- BCS L2_26 W# c( a5 D' U9 ?3 X, b
- LDA #$003 `3 v* l4 ` R; J) Y7 X0 B, o
- STA Bullet_Y_Speed,X6 _. p1 J2 m! P! j
- RTS
$ ]- R+ r5 F7 I5 t -
% [- i( `4 I0 x! a/ C5 ? - L2_1:+ r8 f! i9 z F/ u6 z, M4 u
- LDA Bullet_Type,X {! e( A/ U2 c) y* m+ W4 \3 h
- AND #$0F
, \, G5 J2 ^- }" _/ o/ a/ s - TAY! Z, W# {$ Q9 R* x* v
- LDA #$00$ l3 w5 h4 D( }5 }6 ^5 n
- SBC Bullet_Speed_Data,Y) R* T+ K" @. B' o5 P$ B: |1 S
- STA Bullet_Y_Speed,X& r7 c+ R# w4 B) u0 p0 C, U% A* h
- RTS$ M& I" c+ ^0 {0 d, _
-
& K, i% N9 o5 S/ d - L2_2:
; i# I$ l' T F0 K+ ^( j0 g - LSR! l i( W0 V% ~( x9 ^8 a
- STA Data_buffer
- x0 Q' e1 g' j4 R$ y Y2 q - LDA #$00
; z: B6 n4 a7 {6 p* `/ [. X2 Y - SBC Data_buffer4 x" N, K/ s- D* |5 i
- STA Bullet_Y_Speed,X% d# w* Z4 z6 v" M1 x/ c
- RTS
7 |7 \" a# G- k7 } - % G+ _& g( J, ^. o- i
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y* A: E- q7 |8 o
- LDA #$00
: h* y% b4 q; R$ m1 |. D! [! z9 T6 Z - STA Bullet_Y_Speed,X/ F1 U; _# Z. T1 R X4 c$ v; q( b3 h
- RTS: l5 ~$ y4 G0 L. g8 W! K
- ; x7 e" I+ V. }
- Track_Enemy_X:9 ^1 V, _/ _+ B
- SEC
# M: c: y4 L0 n8 |3 ` - LDA Bullet_X_Pos,X
# r; s! ~, ~5 F - SBC Enemy_X_Pos,Y
' t/ t8 s7 z2 J. T" p* {$ [" t5 E - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
( f3 b) \! T5 Q& F c* {5 E - BCS Track_Enemy_X_Greater ;子弹在敌人下方
# J0 e- {* Q* _6 L- F3 T -
, t0 s" \! n9 Q+ I9 X" l - Track_Enemy_X_Less: ;子弹X < 敌人X
, |. e" G4 k! D" D0 N - CMP #$FC6 N0 [( Q4 N9 c+ e9 X: C8 v% ]) d
- BCC L3_1
. S& ]% g: \2 r) g2 y+ P. w% d - CMP #$FE+ ~0 {& P7 Z' i+ U( Y" ~( G4 G
- BCC L3_2
5 \: _: R- a7 G$ D - LDA #$00
9 ~* `6 Q1 o& n- {" p. q - STA Bullet_X_Speed,X+ B6 e6 ]$ |6 M
- RTS7 K. [+ W& a @# o8 F
- L3_1:
5 ?" T- O3 k+ N7 w: F" A - LDA Bullet_Type,X" q6 {' Q2 Y0 z4 R" n, {/ l
- AND #$0F2 Q7 p% E0 s. N/ P) i
- TAY
" x, k' l; ?" U; U, K) t. v/ a- l - LDA Bullet_Speed_Data,Y
- q5 }6 [6 e) {" U, q& I& M) _; X1 B - STA Bullet_X_Speed,X
- w5 ]7 P1 x) I - RTS/ u2 D* R5 V$ O8 }6 {) i3 P, e& r
- L3_2: ) u( u; q9 ?! q" m' N
- STA Data_buffer. Q# u$ E- t6 s: R1 A0 \
- LDA #$00
# \4 k4 N) w( t8 \ - STA Data_buffer
- `0 T( T8 Z% I - LSR* Y" j5 V% e& g1 S. |5 y
- STA Bullet_X_Speed,X. E5 Y$ b/ [4 L3 K5 I
- RTS
5 o8 X# ]! s* q9 r* d& c5 m3 ~; u - * D, r# R& ^$ x' W
- Track_Enemy_X_Greater: ;子弹X > 敌人X+ y& p. U4 p& [* ?5 H/ K
- CMP #$049 j" _# ^) o7 A1 U- T" s" w) T. x4 I
- BCS L4_18 H9 n. p2 n5 `! n5 w" y! S
- CMP #$02
- m9 o7 _, j3 L C - BCS L4_27 f+ e/ b4 j( X' V8 J0 t8 v! X; W
- LDA #$00' A7 }! ?3 m) m, b1 P
- STA Bullet_X_Speed,X" J8 }4 Q& D% y' Y
- RTS+ C/ I1 G" U1 o- [0 \6 L; [
- 3 ?0 q% ^4 U( v8 s; A, W+ b' Z% |
- L4_1: ' U+ T7 E1 w/ v5 U( S9 B3 A
- LDA Bullet_Type,X* C: Z: L+ q" t P6 R* w, ]$ Q
- AND #$0F
" P: u/ ~% J* W# M! m - TAY% ~! |4 y) q& X* e% G
- LDA #$00
3 c2 m3 o3 z, P" w - SBC Bullet_Speed_Data,Y
, |6 T e9 u: |( o* [$ k - STA Bullet_X_Speed,X
" [. ~3 V2 A1 j0 C6 ~! p - RTS
]! R W7 G! ^" P - L4_2:
0 y! `+ H# |; N0 _3 f - LSR+ ]" C3 c8 y. H
- STA Data_buffer
3 S) I3 y+ v5 @# [5 T ~* l - LDA #$006 h! c: N9 [& O- a: `, O
- SBC Data_buffer% U# D/ d; k+ z% M2 A. A; T
- STA Bullet_X_Speed,X" H5 m) H8 I; @" k
- RTS
( V( O" C2 Q: W& ^6 G$ d% m8 o) I -
, x5 W" U. U3 S; X! j - Track_Enemy_X_Equal: ;子弹X == 敌人X/ n% [3 Q; Z2 F8 [0 q
- LDA #$00& V5 I* N2 g n# _. ?2 d k
- STA Bullet_X_Speed,X
4 O& ?3 Z4 x( ? - RTS2 m0 l1 [# h# ^1 P1 z3 E& V4 L
-
2 b3 Z9 E* J, c, z* |7 k - Bullet_Speed_Data:/ V* B9 B3 H) y) F9 \' k3 A
- .DB $00,$03,$03,$02,$03,$03
5 u# i U- [7 P -
% @2 E$ j) d2 Z m0 B- T; y a1 j - ;2, 4关
1 ?1 I2 o' p! L$ T8 ?/ J - Track_Enemy_Ex:
) r3 `! a4 n- D- O* n7 G9 D0 { - LDX #$0F
7 L. ~* t! _$ Y6 _6 \ - Track_Enemy_Ex_Begin:
3 B, X- _1 ~/ j# d- J, O G5 ]
( @" ?* [; R2 c9 m9 u2 h- LDA Bullet_State,X5 w5 {9 R g1 K+ L8 p5 G
- CMP #$01% C2 D3 E" x) ?5 A
- BNE Track_Enemy_Ex_Continue
4 D e! Q3 S& R' R1 y) D -
% ]% c1 Z6 r7 o& q0 \! L' \ Q - LDA Track_Enemy_Index,X% t4 f X3 `3 ~% i4 O! C
- CMP Enemy_Index
6 x* R$ M2 l) L1 B" c7 U/ \ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
+ S+ ]! l4 f+ i4 r& \ - ' ^( `! `4 O3 M$ M$ c5 T
- LDY Enemy_Index
8 ~- s4 {0 ^ f4 {- a - JSR Track_Enemy_Ex_X) S, k1 M" R4 @. N6 {! _7 V
-
: @# j* U( v" L/ \ - Track_Enemy_Ex_Continue:
+ i7 T" _# W0 D$ m% K$ @ - DEX* X+ T# \: e% |. U$ p
- BPL Track_Enemy_Ex_Begin8 q% T$ r2 k9 _* _ w5 F7 b
- Track_Enemy_Ex_End:
" F4 T `. H$ | - RTS( u7 M1 ~* `+ g( f' n/ l, t
- 5 N7 {4 [% e% u
- Track_Enemy_Ex_X:3 C. E: O: e1 p e
- ;LDA Bullet_Z_Pos,X2 c. W9 v* S; |* M5 N3 }. ?
- ;CMP #$04
% b* I' [9 x& n# _, v - ;BCC Track_Enemy_Ex_X_End6 b$ K+ f8 a; d! |2 c9 ]4 z+ X
- SEC8 l `, s9 R9 T8 r6 ~" Q
- LDA Bullet_X_Pos,X5 [+ M5 ~- |) G8 F: D
- SBC Enemy_X_Pos,Y; t+ i& _% h0 ]* G* F1 C2 c
- BCS Track_Enemy_Ex_X_Greater
' _" [$ \- ~1 n7 }3 X9 C; n -
; y3 ?: A4 A5 ] - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
8 e- D# Z* \# b) F5 z. `0 q - CMP #$FD
" ^; M+ }- j- `6 z3 e - BCS Track_Enemy_Ex_X_Less_End
5 a9 C' v) A! b% \: r' S- E4 b9 t - LDA $6020,X* {' J. o9 A2 y! w
- CMP #$2A
% w0 o: v0 F+ ] - BEQ Track_Enemy_Ex_X_Less_L1! B- T' j% y9 `& V
- LDA Bullet_Z_Pos,X
1 Y8 X' L0 K- A" u9 g" B& i1 ~) q- b - LSR
* T3 q: m, y& j L - TAY" f% l2 z9 p& T2 y$ S
- LDA Bullet_Speed_Data_Ex_R,Y. L6 t1 X% A6 A7 s$ k
- STA Bullet_X_Speed,X W3 n* Y* Y+ u0 I
- RTS+ V. P2 y8 _$ t( w5 O S
- Track_Enemy_Ex_X_Less_L1:
8 U8 u/ t2 T& H! }
* ]0 J8 [# D: I$ v5 w0 c- LDA Bullet_Z_Pos,X
# \7 L# l) W7 u2 S3 |8 x - LSR7 D5 E3 S( L7 t/ l5 h8 v
- LSR8 g* v6 `/ |# ?
- TAY2 s# D! y3 o( W7 ^
- LDA Bullet_Speed_Data_Ex,Y: n7 \0 U/ @6 Y: L9 Z: O% F
- STA Bullet_X_Speed,X
4 V' C$ ^8 I1 O7 o. @: U6 e& h - RTS
9 v2 J3 v4 }5 z$ o8 V3 M# b2 i1 R - $ [9 |0 [. W6 q) ?6 R
- Track_Enemy_Ex_X_Less_End:
_3 X# q+ ]3 a* z9 I; K( Y7 o - RTS
; z9 a" G* a! Q* n& b) v" d
$ }1 h' ^$ ?# C8 A; |# [* y- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X3 j3 c' ` J' W+ C4 {. A& `$ H
- CMP #$038 K1 G9 f; C7 g+ b U/ W
- BCC Track_Enemy_Ex_X_End
1 i3 N$ \, w; | - LDA $6020,X
0 c0 m* C+ G) W6 J& K - CMP #$2A
0 E, O& B5 P1 G# \5 A) |; K - BEQ Track_Enemy_Ex_X_Greater_L1
" Y6 ~5 J# I J/ [ - LDA Bullet_Z_Pos,X% F: F& H& `0 c Y' O; Q! _
- LSR
$ {: n( ^4 A5 o# y1 r# |8 E - TAY
7 Z } c# `6 J$ M- d - LDA #$00
) P' `& H9 O5 ?3 w I& v E* w1 h3 b - SEC
' r# l5 ?, a% |" e) p8 j0 e - SBC Bullet_Speed_Data_Ex_R,Y
" t) W1 o* t! t9 N; q - STA Bullet_X_Speed,X- F# d6 g! Z* O3 h2 U8 x
- RTS
2 _, A3 {3 T; \& o -
! q7 ?8 L# |$ t7 } - Track_Enemy_Ex_X_Greater_L1! Y: L/ Q7 x2 O f
- LDA Bullet_Z_Pos,X
: e2 M! L3 X, K# b) q4 @; E - LSR
8 N: r4 E' @; d6 L- e9 _ - LSR
& z3 O" H* I( S9 Y4 v* h5 C) H& d" i - TAY
& n4 d# ~0 z# S: @8 `. s+ N - LDA #$00
( Q! s7 W: I" W( k$ }4 V5 g0 V6 _ - SEC' \- ~1 G' i$ [6 R
- SBC Bullet_Speed_Data_Ex,Y ` H8 W% s% ~
- STA Bullet_X_Speed,X
8 c: ]9 f7 k) i: Z ] - RTS
! k, L1 N9 [! k% z6 x% ` -
7 o4 }: o5 P0 s5 L' _2 G - Track_Enemy_Ex_X_End:
9 ~9 \! B5 S/ N" b% t/ B' {. S1 P1 \3 c) h - RTS
/ l4 \& w7 W' H -
# @9 [- h7 x1 L' g8 k8 k7 m3 E7 L - ;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); J" @& v1 d% V
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上2 H/ @# `0 |* H _0 P* X- m
- Bullet_Tract_Direction:
7 `; L- R) M0 c& e/ E1 e' d - LDA Bullet_Icon,X- w( K' D- m' D& B, r4 O
- CMP #$23
# U: t& q0 b# B( v8 J' n - BCC Bullet_Tract_Direction_End$ B: K# y6 {1 q/ h% r# u& _
- j6 h, q" `7 C* n# d4 f2 l
- ; X != 0
! q! O( n$ U8 E/ P: Y0 |: v0 y - LDA Bullet_X_Speed,X3 ^! N; x0 a7 y, }1 I
- BEQ Bullet_Direction_V/ u* A J! U' w" {
-
1 H& |5 i! F% p& v% M - LDA Bullet_Y_Speed,X
5 r/ ~/ `3 V' g, N - BEQ Bullet_Direction_H6 O2 C6 P2 D0 _
- ' }+ t; a, t) R* |+ w
- LDA Bullet_X_Speed,X9 {0 U; G/ [" m2 k
- BPL Bullet_Tract_Direction_Right
& v# R% `6 b! ^" @/ P - Bullet_Tract_Direction_Left:) h7 A7 h. T5 `( O5 l" E
- LDA Bullet_Y_Speed,X
3 Y3 Q& l; G# s+ G - BMI Bullet_Direction_Left_Top
- w* Y, v7 H; A5 [) h: p/ h - BPL Bullet_Direction_Left_Down0 j7 _: \ |, L5 Z
- Bullet_Tract_Direction_Right:
) M- h" a4 {1 e. U7 [6 F! T - LDA Bullet_Y_Speed,X
1 z6 a% x& K* p, o% R- h+ o - BMI Bullet_Direction_Right_Top
" |1 z: t/ `( k$ e& t. Z! h - BPL Bullet_Direction_Right_Down
]/ g. h2 G* q+ l - Bullet_Tract_Direction_End:/ m0 }# J1 J1 F+ G h7 Q
- RTS
" v7 f2 a6 x$ k1 z" ?9 c- s - " r4 K# H6 C) M4 Z6 F9 q( S
- Bullet_Direction_Left_Top:
2 t" V; E C. w' [; L- A0 E5 Y0 o - LDA #$25
. s+ [2 G1 b( n6 ]0 M: \ - STA Bullet_Icon,X/ b5 T- ] l4 \8 v& a8 V4 u0 `
- LDA #$C0
8 M5 O# J2 O( \2 Y& o: x: y- Q/ Y# x: Z - STA Bullet_Direction,X
4 E1 m% l- E6 |5 n - RTS% n2 s f' r# j; k! n1 W D
- 8 Z& m, E/ ]/ ^4 M6 [) t
- Bullet_Direction_Left_Down:$ X& n6 P! t7 o% Q- z
- LDA #$25- a9 G! z" U% b
- STA Bullet_Icon,X' b2 X# D0 n+ ?4 V
- LDA #$402 j+ ^! F6 g+ \/ T. T
- STA Bullet_Direction,X7 Q2 Z7 p0 L* F. c8 b
- RTS3 }; F3 V; @: Y! S7 m9 n
- ) D/ S) K: L! m; J
- Bullet_Direction_Right_Top:
& [* b- W3 ]4 t$ [* Z8 p) i - LDA #$25$ j! l; M3 |$ U+ X% y0 F: n
- STA Bullet_Icon,X
' J5 |# l3 M, P - LDA #$80
+ z8 K$ {& o4 S4 I/ p0 e - STA Bullet_Direction,X+ {8 n+ B% H. |
- RTS- k; j0 y7 q) ?9 s
- 1 s O" U Y0 v- l: t4 B
- Bullet_Direction_Right_Down:
2 ^, Q* x+ y* Y1 z - LDA #$25
0 V2 r9 |1 F* E* V - STA Bullet_Icon,X
9 I8 q0 B7 a( q1 {3 K1 Q$ }4 G3 Z - LDA #$002 [/ X/ w- `6 l) X; U! h) |
- STA Bullet_Direction,X, Q4 K* @0 d5 p9 ^3 V1 A" ]6 W# @
- RTS+ h! X6 b6 A# \ x' u
. V1 q. u+ y! F4 T! G/ @6 ~- Bullet_Direction_H:
( N& L) S' L; `% T4 P - LDA #$24
b! ?0 }6 w' }8 [' U - STA Bullet_Icon,X& j8 Z% Q5 U% e z% a8 ~. c3 s1 f$ `
- LDA #$00) {% V3 g! h1 T+ I. ^: ]
- STA Bullet_Direction,X; d3 p) J& e" Z/ f
- RTS1 o/ o' v7 m0 m3 Q
- ; k: n" P/ c3 }$ _3 c2 A9 P" W* ^
- Bullet_Direction_V:% s1 a% }) N9 q: z# y# \; g; n
- LDA #$23
: t( n- \5 d( }4 g7 t/ k! M - STA Bullet_Icon,X
, A2 F0 W* N0 F7 l0 _/ ^2 M - LDA #$00
$ x2 y7 I3 w: r - STA Bullet_Direction,X$ `3 M! e$ a' s* k% d4 n
- RTS
' L8 E; l1 z e* r - 4 x+ l% u/ y- H; P: d! k' k/ }6 u
- Bullet_Speed_Data_Ex:
, Y4 @1 e* K+ I) v' B - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$041 o* l" T, t# v
-
8 s4 x. m# W8 E0 K - Bullet_Speed_Data_Ex_R:8 ]0 [. r; s- I2 j: ~+ z) h' F
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
& P8 | @( A7 _& T -
复制代码
" y1 J9 W- b8 y8 H0 L1 `% s' f5 J. N
- @ S7 m2 u1 d8 C2 |1 {, T/ Y$ w$ I& T |
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