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[FC][魂斗罗][J][追踪弹]( [% ]5 F; s2 N$ x3 t
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时间:2023.04.30
5 J8 p- ?# M" J) b- h作者:FlameCyclone
, H. X3 S" @$ ^& F g内容:
, }! D& H% F" N7 s 1. 所有子弹追踪敌人' c: H# o2 I$ W- d
2. 选择键切换武器
# [( \% [+ I9 p V3 y! c" F# C 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. N9 [4 A- V' @6 m
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flamecyclone.ys168.com5 C& t' p/ r* ]1 A) V* Y5 E1 A

8 ]- }) i6 ^+ n0 Z! F( t7 o! W/ e- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁% D, \( ^3 ?, J% \' l
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
* K& H! e( y" H T - 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); S; q" L% X+ j+ |3 s! N1 f# l
- ! H0 g3 c8 ^: X4 [$ h0 R% j
- ;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)( i1 [) d$ R! ~) q
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
% H' v7 F' b/ N' w1 @; E& i - . c5 T+ w& q; m9 ?3 W" p& H
- Track_Enemy_Index = $6000
9 {& H# E/ r+ X- z8 y - Enemy_Index_Begin = $6010
$ A! Y( |+ t4 T5 `/ C6 ^" {7 a3 x - Enemy_Index_End = $6011; G- F4 X& x. Y3 G0 _
! [8 b. L; i3 S, h, ~- Loop_Index_I = $6012, x: ?2 u2 \6 ?
- Loop_Index_J = $6013' l, p" z9 v6 M; b) u. y
- nEnemyIndex = $6014/ g& p( Q4 ]8 o/ J0 y, O, u
- Data_buffer = $60155 [; ~, b% n" K1 K6 l& A
" E* l! F6 Z2 N- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
# z, M* {& E! U& b/ J/ v! |+ E - Bullet_X_Pos = $03C8 ;子弹水平坐标- n9 ?/ i# n% } H0 b
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
( U1 a- J4 H$ N8 b* d - Bullet_X_Speed = $0408 ;子弹水平速度
0 ^- V, U) W4 G - Bullet_Z_Pos = $0418 ;子弹Z坐标1 P8 H, _. C( k8 R, h$ g* x0 J! R: z
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P8 Y' E4 @$ B: R6 f
- / b$ d3 S5 }2 [( n( J
- 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; F3 d& x6 k( l. q
- Enemy_Blood = $0598 ;敌人血量' l; u! Y3 q# p
- Enemy_Type_Addr = $0528 ;敌人类型6 s2 O I" r+ a8 S4 c1 L
- Enemy_Blood_Addr = $0578 ;敌人血量, P' q9 I5 I8 q% N; h f
- Enemy_Y_Pos = $0324 ;敌人垂直坐标$ Y8 b9 W2 E: s* I. v
- Enemy_X_Pos = $033E ;敌人水平坐标! N. i7 P' {+ y$ @& o# O
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
, I- h2 E! Q$ y3 I - 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! [! R3 V8 `8 j7 h. O: X
; t6 V3 V6 O1 x0 R2 I- Enemy_Index = $83 ;
7 K# J$ ?' K9 `1 G7 V2 ^) p0 h - Time_Count = $1A2 j5 O# K: W9 S+ e
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
& y. S. G5 I, o3 V - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率, l# ?: f7 a5 m) {
# G" V* \6 t6 J6 ?: S3 N( i/ K' [( J
4 Q" N4 }9 V! N1 c- .ORG $6100
& e6 {7 k/ c0 o$ y# `2 i8 S( q$ ^# p, l3 E - Process_Begin:
9 w8 m; I$ J1 | - JSR Enemy_Check
, @/ i7 o% n3 c6 } - JSR Track_Enemy_Check9 m$ v1 p8 R0 }: U
- Process_End:1 E g$ A j2 v1 w7 F
- JMP $E54F
9 a: u8 B- Q |0 n
; Z+ Y" w. y' a/ V- Enemy_Check:
$ p) F/ ]* w- B - LDA Time_Count
# w7 h( `( A; ]/ ~5 b$ n - AND #Track_Bullet_Speed
k) ?: ~- I3 l- w0 O - CMP #Track_Bullet_Speed
/ h3 l( Y# o1 I - BNE Enemy_Check_End9 K6 K3 e1 H6 E
- LDX #$0F7 q! z3 W8 t9 l M" W, L
- Enemy_Check_Begin:
! p4 F, k" P; G$ g - LDA Enemy_State,X
0 U; K- e/ ]' [1 G T7 j* P) Z - BEQ Enemy_Check_Continue
- N# I) A) w! e/ W: e m - STX Enemy_Index" C6 I) l; n8 v) {3 a
- JSR Find_Begin_Enemy4 ]8 l* M! X/ b: D' J" `( H% a" L3 h
- JSR Find_End_Enemy; S, \0 L# i( Z0 n: i' v
- JSR Bullet_Track0 O' c/ h2 q$ k8 }! Y& k
-
/ S1 ^( X4 X, K - LDX Enemy_Index1 Y$ ?+ I! l( S' Y+ e
- Enemy_Check_Continue:) b& q; o% J f1 R S
- DEX# J: n; O0 z) a0 @- w9 B7 C
- BPL Enemy_Check_Begin
9 ~4 w+ o5 B% t/ R# J - Enemy_Check_End: Q& _2 O, o8 X# H
- RTS
- l4 Z! B: d3 W; H0 Q% b/ U3 o! S# K - 9 S% d2 G( p$ k$ m- c/ o( }1 @% Q
- Track_Enemy_Check:, f% S {6 P, C$ e4 c/ ], Q
- LDA Time_Count; i" X! Y: u' W" `0 R* N
- AND #Track_Enemy_Speed1 X) D6 B$ ^8 f: P, [' ~
- CMP #Track_Enemy_Speed
4 A' V; v: M0 C3 b7 N5 N - BNE Track_Enemy_Check_End
3 _2 q# D9 Y& h Z - LDX #$0F
6 {+ n: ]2 _; Y# ~$ z6 k4 i - Track_Enemy_Check_Begin:! Q8 s$ k, n, ^+ g9 E. A* l9 `4 @
- LDA Enemy_State,X( E( ^: o5 ~" x, `7 ]2 h* l5 M
- BEQ Track_Enemy_Check_Continue
- A8 F! [+ U3 q$ z5 i: e; C - STX Enemy_Index
: }/ H, C# l8 s. @* o- ?2 n* H -
& u: g( s# t$ @" A; p - LDA $40
/ Q* l0 Y3 } J2 N( C0 L, } - LSR1 B$ \" I1 u: o5 m! D) Q
- BCC Track_Enemy_Check_Begin_L1: F9 `) y( P7 O! v9 L0 B
-
' ]# I' K9 f Q+ i - JSR Track_Enemy_Ex ;2, 45 I7 ]$ K# P! i$ u8 c' O
- LDA #$00 C! O. e0 H6 k7 Y
- BEQ Track_Enemy_Check_Begin_L2& S- E4 q: y b" \# X
- ( r" F& C* i+ p+ c6 u
- Track_Enemy_Check_Begin_L1:
3 i2 G+ b$ O" P% J - ; o& F# d, @5 O* M; s4 g
- JSR Track_Enemy
& K1 D" N" B2 q) d9 R - ]. I+ }% {- h9 i# {7 {7 T
- Track_Enemy_Check_Begin_L2:( b1 Z& Q! w5 A/ m. J! c
- , U4 X7 ^- G, p$ T% R# v& ]. P
- LDX Enemy_Index
# w3 x9 A- n, S& B - Track_Enemy_Check_Continue:0 s9 e. I9 m+ r7 Y- n
- DEX k, s& K5 ^, w# P4 [/ b0 b# u' `
- BPL Track_Enemy_Check_Begin
6 }9 A8 y# |+ \9 q - Track_Enemy_Check_End:
1 u/ {# z6 z2 J( x3 H5 ]! ^1 D - RTS6 I& y$ H3 T7 z0 b2 l+ o
- : k! e1 i$ E. Z M+ r
( O0 Q! i8 s% O+ K- ] S- ;查找第一个敌人4 t5 Y( C F# e% ^; A5 D- l
- Find_Begin_Enemy:
& y' O* V9 o9 e5 K+ A1 H% ] - LDX #$009 D1 H3 w, j2 Z* J
- Find_Begin_Enemy_Check:
, P, \- o2 {" x& p& ]% j - LDA Enemy_State,X% C9 W- X2 J/ @( F7 T0 B: b
- BEQ Find_Begin_Enemy_Check_Continue/ `) y$ n8 Z+ q' o+ M; y
- LDA Enemy_Blood,X
$ ~& a/ Y" g" r6 a- n - BMI Find_Begin_Enemy_Check_Continue
4 t; ^8 i, P6 G3 t7 G - BNE Find_Begin_Enemy_End
- X: C+ c0 {, y2 X8 G* {7 t - : R, E; H1 u* \
- Find_Begin_Enemy_Check_Continue:" L% u8 J$ p* o5 Z/ q b: E$ k
- INX3 J# H' ~+ x6 r4 ~& H
- CPX #$10
2 x# Q6 G! y: f4 _/ b/ x - BCC Find_Begin_Enemy_Check
1 H* ?! ?, V6 o) Y' X - Find_Begin_Enemy_End:0 R+ y, F% W( b0 ~, l+ J! B
- STX Enemy_Index_Begin9 p r1 l7 s# }+ ?! F
- RTS
R3 S: y6 h. E. o
) V n" L- O& U/ w; s f& E& \- ;查找最后一个敌人
9 Y2 m2 p; }6 [6 f, p - Find_End_Enemy:
( ?8 x2 ]3 s' `0 l" s) i7 t' o2 } - LDX #$0F
% [; G* i3 T p. v0 V) Q0 | - Find_End_Enemy_Check:: H8 ] T& W: M7 {8 _- H! y5 w
- LDA Enemy_State,X
f s" F2 S( F# Q9 Q - BEQ Find_End_Enemy_Check_Continue
, F. ~8 J: ]' g- x1 K - LDA Enemy_Blood,X$ M* a/ W4 Y& F6 b
- BMI Find_End_Enemy_Check_Continue3 p/ X/ \ I& o K3 o
- BNE Find_End_Enemy_End7 `% m2 H- V6 T* Z) i# i
-
h- Z+ Q+ |) X/ W6 W, v9 K0 Z - Find_End_Enemy_Check_Continue:
1 S# `& _) [; g' d3 S. W8 ~0 \1 F - DEX% X* r* S3 m) b& ]
- BPL Find_End_Enemy_Check! y$ Y& }6 \* S) D; U( v
- Find_End_Enemy_End:0 c# I4 V4 R4 z0 {
- STX Enemy_Index_End
7 E& F+ Y h/ t, r2 K" r. E' B - RTS7 d+ e2 s7 t) W/ ^" A
- / b3 p% y) [6 `. @4 J @
- ;子弹追踪. ], F2 }4 I! G) f* x! Z
- Bullet_Track:
) V0 s8 e) G% k- d. N - LDA Enemy_Index_Begin
' O" G. e8 P6 `7 z9 ?. t& P7 R - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;4 u; B' {6 H8 C/ c
- LDX #$00
* A: M" }. ~4 n1 I! Y) } - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)( l( C! R+ \' X% w+ l9 G) r
- LDA Bullet_State,X
! a* T9 ]8 }0 R - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
4 e5 }! j6 _4 F& K# S( V - STX Loop_Index_I1 h$ B' a2 Z, a/ R: X$ D2 r/ Q1 s
-
( I: w" [- ^- B0 g+ ~ - JSR Bullet_Track_Enemy+ o5 L3 ~# }2 p; Z3 X
- JSR Bullet_Tract_Direction5 D! L4 u0 G* {2 m( }9 R Q
- , j2 a/ I" `. O! z5 |! {
- ;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
& g) Z/ W9 T, a9 |6 | - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
) d# i; q/ s3 J1 m - LDA nEnemyIndex
7 j9 b, Z; ~+ g x0 J: C% \ - CMP Enemy_Index_End% f) C% M1 G/ T
- BEQ Bullet_Track_Check_Continue/ }$ B8 D4 [6 k, X+ `* p
- BCC Bullet_Track_Check_Continue4 u! K7 r! s. O4 j9 I4 \
- LDA Enemy_Index_Begin
) k: A' V3 d+ t4 T* P0 A - STA nEnemyIndex* i, l" A( v! k: C# S
-
9 J; E7 R2 T% q3 m - Bullet_Track_Check_Continue:
) ]. Y0 p1 s. q* R - LDX Loop_Index_I: p2 Z* P$ D4 b: `: x8 _: c* `5 l
- Bullet_Track_Check_End: l8 ^ Z+ p! U# `" k
- INX/ ~% V2 \9 m- Z& ?3 m
- CPX #$102 b, X6 Q' X% ~
- BCC Bullet_Track_Check2 A# }3 k) B% h S
- Bullet_Track_End:1 p& v. Z! ~; ^( }- B0 t
- RTS; d$ U" O) _( ~
-
; @ f# l H, Q/ C* Y - ;给敌人分配子弹. ~- U, Z, G7 a. V& N& g. h
- Bullet_Track_Enemy:, D" d1 F& V& _3 f1 X
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
% b" e* I" g7 K - Bullet_Track_Enemy_Check:# ?& W; ^7 U! s" S+ S0 {5 _
- STX Loop_Index_J& h$ E4 ]' x- t; K6 P& x
-
Y5 } A$ Y' l) c# i. ^, ?- A - ;if (0 != nEnemy[j] && -1 == nTrack[i])
$ R; X5 s" a3 n1 d8 I/ L* P. J/ _4 p - LDA Enemy_State,X1 m, Y, R, R3 s ]3 Z4 l
- BEQ Bullet_Track_Enemy_Check_Continue: R: D" E8 d, z9 r, q" d/ V. k
- LDA Enemy_Blood,X
& s( O) K7 K5 `( ]1 S. {' [: d1 M - BMI Bullet_Track_Enemy_Check_Continue
- e1 {) v) F+ t: D# T - * i# l/ T% C1 B k
- LDX Loop_Index_I
# H2 s8 y0 u& Z9 z( h' J D - LDA Track_Enemy_Index,X
, \/ T2 r ^9 Z8 D I1 K - CMP #$FF
. p! x1 P0 |) T- L - BEQ Bullet_Track_Enemy_Init
+ _/ q# B! ]7 ^' t8 R# v" n* c - , N( I s: }6 q& M
- Bullet_Track_Enemy_Init:
0 t7 i3 Y, p4 Y# P3 s - LDA Loop_Index_J; J7 n# A1 o) {; Y8 o0 _
- STA Track_Enemy_Index,X ;nTrack[i] = j;
- w0 Q- e }9 |3 k. Q -
8 u; z+ M |4 ~% ?/ ?" {8 i5 l - STA nEnemyIndex8 I( E8 J3 e0 a' E. `
- INC nEnemyIndex ;nEnemyIndex = j + 1;
y) I% L }% S+ \7 a - RTS ;break;
$ S- V% C! K. [: I$ G* Q
0 U. T! m+ U( v4 h* s7 T; X4 w- Bullet_Track_Enemy_Check_Continue:' J+ L" ~0 ~6 Y: Q% v9 \' h' r
- LDX Loop_Index_J
; r Q% N; M: K2 O6 y, b - INX ;j++
" X* [& q Y2 [. J% V0 h - CPX Enemy_Index_End% ~& r8 V$ T+ C' A! v+ U& U, O5 H2 v
- BEQ Bullet_Track_Enemy_Check
1 [8 K0 ~0 {* E - BCC Bullet_Track_Enemy_Check2 `9 X$ k* L5 N+ k/ Z
- Bullet_Track_Enemy_End:, V) K3 Q- N- s" t+ w7 a4 v/ Q
- RTS9 j, }# H2 L, G: I3 x
- * p( e* J. m7 j1 e0 D
- Track_Enemy:
2 W: I1 G/ h" W8 q - LDX #$0F B9 m4 N( v. j# k% ]2 `
- Track_Enemy_Begin:( @) ~ s! C1 B6 H. T
- LDA Bullet_Icon,X
% O7 z% x+ @- |5 X9 r3 G - BEQ Track_Enemy_Continue
8 o/ C+ e* y2 D* D8 W' T8 l - LDA Bullet_State,X9 |7 H$ Z* ~8 c n4 ^( j
- CMP #$01
9 N9 Y( R2 b, n, V' H4 Y - BNE Track_Enemy_Continue4 y, z M9 r* @
- ( j- r& A4 t! M
- JSR Track_Enemy_Process
: {2 w9 r% Y; @5 U* P0 g - * Y# V9 |3 G5 I( S
- Track_Enemy_Continue:8 f2 V1 G+ c9 p2 i* U: \
- DEX
* o _% c7 U1 E g1 j- b - BPL Track_Enemy_Begin! f) t7 A0 O8 Q8 g7 E2 V
- RTS0 i4 G+ M, ~, K
- 6 _% v7 x7 b5 D0 m x2 {9 J7 g% \
- ;普通关卡" m+ V( h7 K1 E1 C3 \; l- o8 H
- Track_Enemy_Process:1 q( y2 g% d* a7 w/ E
- LDA Track_Enemy_Index,X1 Q0 u, F& q% \: U, @4 e9 }+ o1 v
- CMP Enemy_Index
" _* C" C9 U: h) m- K, J( B7 b, ` - BNE Track_Enemy_End+ ^2 i8 v# L0 Y! i; r# s" |* O$ h K7 Q
- LDY Enemy_Index
! ?$ \" G5 Y5 S# |% K - JSR Track_Enemy_Y" t! p1 H. j% A4 M+ @+ w' e
- LDY Enemy_Index/ U; f1 O: \4 A2 ~9 L
- JSR Track_Enemy_X' s& c# |) R ^9 |9 \ j
- Track_Enemy_End:4 d1 b9 e( g: x1 n
- RTS
y8 e# k& A; l. r- K U: c" Q -
E: C8 E, Q3 z# y' B - Track_Enemy_Y:! T- G6 V7 N8 g! Q, S2 n
- SEC
1 o" n' Q; }" n( ~ - LDA Bullet_Y_Pos,X
* y& o A/ Q! v# t8 ^ - SBC Enemy_Y_Pos,Y
4 H1 |3 L1 x! B - BEQ Track_Enemy_Y_Equal
! U' t2 z' g6 F( ` u2 J! \ - BCS Track_Enemy_Y_Greater
2 R+ Z5 i6 q. H9 h& z -
; S7 O8 _: F( V) s2 w - Track_Enemy_Y_Less: ;子弹Y < 敌人Y" ?; O& ?4 R/ H
- CMP #$FC
2 e( F! o+ I( @# e f0 Z$ y" m - BCC L1_13 ~7 h. _ X& ?" _( K' X0 d9 S* m
- CMP #$FE
. X9 T1 K- l! s# q- D - BCC L1_2
7 C; ^* |: F1 w7 Z9 O - LDA #$00
. r: {' z4 ]) w. g$ K# N - STA Bullet_Y_Speed,X8 n6 c6 T% s1 r D
- RTS
5 k; ]" H" {) f+ W' H- N0 Z - L1_1: # x) K1 ~* T0 J: w& b0 G0 l/ {
- LDA Bullet_Type,X
" _8 a0 ~$ v) ? - AND #$0F3 R* \# u3 K S9 A8 d1 p$ l4 c7 S
- TAY
6 P: m @, a. I+ U1 N - LDA Bullet_Speed_Data,Y8 k& x' R3 W3 ]; ?& a6 [: n8 |
- STA Bullet_Y_Speed,X2 N9 s6 U2 A2 R- M, {8 x0 R
- RTS2 F6 |0 t4 d2 \7 n! @$ V f
2 O* `3 D1 G; e; G5 r: L7 i- L1_2:
* Z9 H& O9 z4 f: v - STA Data_buffer. A1 t2 K" Y1 d+ U2 y
- LDA #$00! Q, I) { X% d5 a/ H; p* R' X
- STA Data_buffer
: ?! U' e) N1 q; D$ [ - LSR; Q' f5 ]; v. b- }: i @+ x
- STA Bullet_Y_Speed,X8 o% _1 ^' D" L2 X! G
- RTS
, G& c% N# |$ K! m X, W - 2 y5 r$ i$ e2 f4 v$ M1 p
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
% x% y6 G9 [8 d8 T: e! s( i4 B' F - CMP #$046 W0 X5 U' a$ \* X$ R! ?
- BCS L2_1) d7 Y0 ~+ V; Q, y( d
- CMP #$04
) x9 ?4 ^' D+ F( t. R+ b - BCS L2_2% \: o6 v$ T0 x) z! Y, R5 r
- LDA #$00
; F' y, X3 n; v - STA Bullet_Y_Speed,X! z! ?1 c/ y! r8 G9 J
- RTS2 J1 a$ @( A( `: [4 B
- 6 s0 d6 V$ H, c) k
- L2_1:
9 }, ^$ p9 \+ D1 d8 ^% |$ t- M - LDA Bullet_Type,X$ A4 y, t* K" i9 M- f
- AND #$0F6 _' v' M* @7 ~( y0 Y0 o" \
- TAY
& G" l8 {. x) R, }8 r: \/ c - LDA #$00- p9 Z' s& _8 I& ~
- SBC Bullet_Speed_Data,Y
$ {" {7 D1 |9 G `" n" R- z5 G - STA Bullet_Y_Speed,X
& `1 W) B" J3 O F - RTS
! C5 l0 a; P Q2 n -
* U/ x& m, Q2 v - L2_2:
2 l$ w; t5 `/ F6 f/ s% f - LSR
' k2 b7 o4 j H+ Q2 x+ @' u. e - STA Data_buffer
& z7 }, ~+ l5 ]* U - LDA #$009 j! y7 M7 y: Z1 @/ e9 w, |( r, b% k/ M
- SBC Data_buffer5 d' D4 _( I& V% x' g* Y: l- ]
- STA Bullet_Y_Speed,X
+ }3 O K3 ~& J) m" H3 @ - RTS
9 w6 ~+ h' |! Y5 v; A -
! k, |, T, V' J/ N3 [- b. B3 H* M - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y, k$ s, @- G' o- U
- LDA #$00# V }7 D2 l0 Q+ w. q2 `4 ?
- STA Bullet_Y_Speed,X Z3 q& K8 h9 A9 i- S) J" e
- RTS+ r6 D2 d U8 I o3 o. b; t
-
. Z! o* ]. v# ~( J2 M# K% @ - Track_Enemy_X:' \1 w1 [6 T! }1 {1 g
- SEC1 D2 l* l- o% W; I
- LDA Bullet_X_Pos,X Q2 P8 M" d' Y" Y: r/ Z7 P
- SBC Enemy_X_Pos,Y
0 V6 z& [6 o0 _# S e: O( l% j - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X& F. d+ R+ m& s! z$ x2 I
- BCS Track_Enemy_X_Greater ;子弹在敌人下方& C- V! k( v. w8 i* @! E
-
: y0 `: M) X$ P4 n - Track_Enemy_X_Less: ;子弹X < 敌人X' L5 I O5 D2 `2 @$ ]
- CMP #$FC
~ z0 l* s0 X# t+ U - BCC L3_1" M, A1 |" @- l: d4 K. N
- CMP #$FE
, X9 y) G7 q1 F2 O# {. V' k - BCC L3_2
6 [" y9 `; F, o- R - LDA #$00
/ u* s8 M: Z( Z% K- { - STA Bullet_X_Speed,X
# {5 c$ z! k, z; X r) N2 m" d. L - RTS, Q, k9 B% \1 [0 n$ x: F/ }
- L3_1: * J1 p0 V& g) ]# j
- LDA Bullet_Type,X
9 a- l3 J7 r) p; m4 n, N$ r( g5 I - AND #$0F$ |; \& h4 u K0 m' T3 M
- TAY( E& Z: l' H" K8 n j
- LDA Bullet_Speed_Data,Y
9 n7 n% S: q2 D& b - STA Bullet_X_Speed,X' P: G3 F5 r, l u
- RTS
; {, ?: S( I2 [9 ]9 E - L3_2: H0 d, \2 p8 x, H8 I
- STA Data_buffer# V S( U [2 G' C5 h- [: n4 |
- LDA #$00
! j, ~) Q& M3 x+ ~ - STA Data_buffer2 M2 a9 ^; e* Q6 U
- LSR& _) `! N# Z4 X4 z+ Z7 S
- STA Bullet_X_Speed,X
9 m# j% v m0 e' U3 C - RTS
2 K! C4 n$ V! C9 t4 C - % B9 m# D% X% A, R C+ Q4 _
- Track_Enemy_X_Greater: ;子弹X > 敌人X* @" {' m( _3 c; V0 L: E) z
- CMP #$04 C! v6 v" h0 R4 t
- BCS L4_1: @, e! X" t* U0 s$ N* r
- CMP #$02
( X2 J& ~" V0 l - BCS L4_2 R5 K3 N0 h, o- d/ M) _' R
- LDA #$00 L' D( ^9 N2 v% v- ?: U
- STA Bullet_X_Speed,X7 M5 }; ?5 c# x6 P/ K1 W- ~$ f. F
- RTS# A- ~2 y& c& L6 l
-
/ Y3 w- L) i( {8 `0 Y' _ - L4_1: $ n7 I& l" L# [0 w2 C4 z/ W
- LDA Bullet_Type,X1 q9 ?) q/ p7 w; e! |8 S
- AND #$0F3 n# m$ u* u W2 v1 R
- TAY
( t6 o( G) C: Z" n! b - LDA #$00: H4 f% c) y( f5 o- O
- SBC Bullet_Speed_Data,Y
7 ~+ U# c: H, D8 H - STA Bullet_X_Speed,X
; E% m% R4 \, Q+ R3 L - RTS
1 P6 l! _: G; @+ q3 n - L4_2: * T$ H/ H4 S9 r; W3 X- a7 f @ t! a
- LSR
! a/ T. M& e( t) s - STA Data_buffer
; r: R8 s5 ]- l9 a2 ? - LDA #$003 @' `5 e: T' F
- SBC Data_buffer
8 o( `) W& i; ]6 l - STA Bullet_X_Speed,X
8 F. }5 f: f0 S5 @: y - RTS# r/ o6 P/ R5 m% j
- ( S: p# c' u$ u9 X Q
- Track_Enemy_X_Equal: ;子弹X == 敌人X
; Z% N* y$ h/ t0 M - LDA #$00) O$ e8 c+ d, u$ @) b# p$ I
- STA Bullet_X_Speed,X9 L, }+ M0 p; ^7 g$ r7 X9 M Y: H# v
- RTS0 u' h# X% W, X5 A" q: A
- 3 @, N/ b9 Y! x' s" A( z% b
- Bullet_Speed_Data:* E: z5 X% ^! v" ^- i
- .DB $00,$03,$03,$02,$03,$03
% D" A$ I" X4 n1 X' z7 }1 z# | -
9 s# P2 C- p+ ]) g# [ - ;2, 4关& m" W. Z ?% q' A
- Track_Enemy_Ex:
C; y0 s0 T7 h - LDX #$0F
, X6 S& ?& k3 c2 v' X6 u+ ? - Track_Enemy_Ex_Begin:
0 y! V" S" R5 _+ u+ S8 o0 p' B6 L - + w# h1 f7 {2 ^6 J& c' ?3 D* \2 T
- LDA Bullet_State,X
2 { d3 u5 \7 M, [. d - CMP #$01
3 U9 }9 b g; o9 {; k - BNE Track_Enemy_Ex_Continue, i' v9 Z, p: P. V( L7 o: G
- " u9 l. c6 N+ ^# k
- LDA Track_Enemy_Index,X2 q+ W/ L! D% N& Y* A
- CMP Enemy_Index
/ q& _8 G, K7 w, V% \, C+ ` - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
( E* `% a0 T4 s+ _3 {: l0 A - 9 W2 ~: o$ A0 L& E6 X4 [: V, A
- LDY Enemy_Index
& L- R d2 J2 c5 } - JSR Track_Enemy_Ex_X; ?- a1 _$ f0 A* W
- . F, \0 A) }! \3 ?
- Track_Enemy_Ex_Continue:
4 A! `- e+ F1 `) f" p" Q - DEX' B2 i) d' T. {5 L, n
- BPL Track_Enemy_Ex_Begin4 X- M+ t( u& a1 U1 N b
- Track_Enemy_Ex_End:
$ M0 [5 |' r) g3 b, c - RTS2 S+ Z( K% R' p$ M3 b* v7 ^' b7 s* J
- 9 O: N$ r6 ?; Z9 ~% O
- Track_Enemy_Ex_X:
& z1 F& U2 c5 {' N- k9 O* n - ;LDA Bullet_Z_Pos,X
& m$ `4 D0 s) s7 Z" `4 _ - ;CMP #$04
' e9 r2 g0 H( }9 [7 C" X - ;BCC Track_Enemy_Ex_X_End
' I0 |1 n: ?) l' U& _& c z3 x$ G, o - SEC
! t4 H" L/ w6 I/ J% q - LDA Bullet_X_Pos,X
5 _' \1 f# u P# ^$ S - SBC Enemy_X_Pos,Y5 v, K/ o( c5 a$ `
- BCS Track_Enemy_Ex_X_Greater
; L- l$ ~4 {$ x B/ p0 N - $ i \. Q2 E. X
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
( c2 p, z) U' v% S$ |" a, x; t - CMP #$FD% `' u6 I; s+ f! k* c5 n; u
- BCS Track_Enemy_Ex_X_Less_End- z3 X0 X& b8 h/ P5 ~$ Q4 W
- LDA $6020,X
8 w8 H8 Z7 F+ _) T- @ ^+ V- k - CMP #$2A, g# O* p. ]( {7 ]2 h
- BEQ Track_Enemy_Ex_X_Less_L1
, p" P$ [* f; g& o; ~' A - LDA Bullet_Z_Pos,X
7 I1 r H& t4 z5 M- n- {% C5 p - LSR) K1 Y/ O# j* F! m. s
- TAY' c& @* c' Q+ N
- LDA Bullet_Speed_Data_Ex_R,Y% H) Q0 A% P% v! Z$ Z
- STA Bullet_X_Speed,X
: v" Y; W( M) T$ \% j/ d3 O - RTS5 R: H7 e& K- y0 s7 D4 i
- Track_Enemy_Ex_X_Less_L1:5 v/ I; [+ i* t; }( t( P
6 I1 k* z! x3 v! R. _- LDA Bullet_Z_Pos,X
3 a2 r9 X( t! ?& m% h - LSR" ^/ @( F6 E( ~/ @. z+ I. o6 I/ q
- LSR
, D8 |* Y% p$ l D/ p/ R! V - TAY) b! y5 C2 {, b1 C/ Y' u0 T5 l6 W
- LDA Bullet_Speed_Data_Ex,Y
8 _0 Y4 ]; P1 p9 B - STA Bullet_X_Speed,X
, o1 ~6 h7 e3 p( z; W1 ? - RTS
* ^9 y% S. X; M: w6 _- \$ c -
4 B# G" P8 e" C - Track_Enemy_Ex_X_Less_End:' @' R* A% u0 A* f7 ^! I5 a* I
- RTS
: ~" b% J* ^4 G5 l; K7 @% ] - # N% U |+ x9 F; W' E: y' ^" T# Q( F
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
) h8 r$ f3 ~% n. |9 h) A0 F - CMP #$03. s# |. a/ T" T1 v
- BCC Track_Enemy_Ex_X_End% F5 A) S6 C7 a
- LDA $6020,X2 D. | K' q; ^+ Z
- CMP #$2A
" A9 Y' L& F2 t+ o - BEQ Track_Enemy_Ex_X_Greater_L1! Q9 D4 w6 ?/ c
- LDA Bullet_Z_Pos,X* u. `0 d$ x0 [4 ~
- LSR* P) v& K4 {# j) }) p
- TAY6 b+ c8 i. s5 y$ r8 z, h8 n7 v4 m X
- LDA #$00
. L; y( A) I, X6 h7 b* Q - SEC
8 C1 P; z0 Q, `) s3 S$ A - SBC Bullet_Speed_Data_Ex_R,Y
; k+ Z3 \5 r8 v" a3 m - STA Bullet_X_Speed,X8 O) `0 c7 |4 k* E
- RTS
9 r, a7 I! P6 o" R -
. A7 r! h X& n: m; l" b& p - Track_Enemy_Ex_X_Greater_L12 K* ~- [, ]4 m5 o, C3 f
- LDA Bullet_Z_Pos,X; ~# O7 Z6 A5 W" R) F
- LSR
7 L* G0 R; J" u - LSR, V6 ?5 q) _5 |* r9 {
- TAY
6 z: I' [/ Q! G1 V: @ - LDA #$00
9 F8 Y9 T. } k - SEC3 x: f8 \. G2 r$ e# @
- SBC Bullet_Speed_Data_Ex,Y
- _1 L, A9 s8 a8 K - STA Bullet_X_Speed,X
" y1 _; _; P: r( H _- \% P" x - RTS( W4 E/ W% Z5 S6 M2 N% W9 ~
-
f5 h& E: L0 \; I - Track_Enemy_Ex_X_End:
# P% H( D$ R( d; m" x - RTS
9 V5 S. Y6 c3 ^3 e( R - % X: d4 A( V8 {! f# z
- ;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)
: B& B$ Y2 }# \6 Z' S8 @ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上9 F# I$ ~2 D, U0 \
- Bullet_Tract_Direction:. V# @1 Z. h/ c9 k
- LDA Bullet_Icon,X, n) J- Y0 q+ @! x. U
- CMP #$23
; n1 n+ m( _1 s; @0 ]7 i - BCC Bullet_Tract_Direction_End
2 q( {7 r7 K; ]5 q# B2 Y -
* m1 m1 y: L6 }* t w/ S' q - ; X != 0: Q- Q3 c3 E" u+ L! r
- LDA Bullet_X_Speed,X
# u6 c. l8 ~- p% H0 R - BEQ Bullet_Direction_V
# a' H) L5 U/ G+ J# W7 B) Q5 x - / B+ {. z3 A. V7 O7 W2 H! U5 ]
- LDA Bullet_Y_Speed,X5 ~1 h) x& y6 Q' s
- BEQ Bullet_Direction_H; n4 Q, N B7 ?# y3 z7 r
- " B# A. A3 j( p
- LDA Bullet_X_Speed,X
" P, s% h9 v T" Y$ n' { - BPL Bullet_Tract_Direction_Right" y. _4 |6 k& j4 y: h
- Bullet_Tract_Direction_Left:- b( d7 g1 Q* `, m# b# T5 {
- LDA Bullet_Y_Speed,X
- A) G) u$ Q$ U' [: h1 [ - BMI Bullet_Direction_Left_Top
; |; T- W% w @5 O8 W) i3 p - BPL Bullet_Direction_Left_Down* F1 o) \/ v1 m9 n8 [/ j
- Bullet_Tract_Direction_Right:
$ U. o* `9 w: Y9 S3 H! P% q7 n$ J, k; { - LDA Bullet_Y_Speed,X
7 A+ `( h0 `8 t1 b - BMI Bullet_Direction_Right_Top
3 g+ x* B( U5 I" \3 K - BPL Bullet_Direction_Right_Down
- A4 c& N' Q" y' |' P7 F9 F - Bullet_Tract_Direction_End:
5 ?- m" T* t9 @6 P - RTS
O$ v1 d( k/ k+ y0 E - ! T& L( R' ]- d
- Bullet_Direction_Left_Top:% ^) c ^% c" C) c) v: @ G# Q6 J
- LDA #$25
) H6 O! r( B+ a) w - STA Bullet_Icon,X
- b: K/ n( u8 B+ S8 b7 _ - LDA #$C0+ o/ W( S3 e. j" D
- STA Bullet_Direction,X2 }3 C1 A& }9 e4 _' {4 R6 ^* J
- RTS
: O A9 P) R# s! t& J - 9 T' x& B X7 w$ b6 x+ Z% ^$ Y; m
- Bullet_Direction_Left_Down:1 A1 D+ O; @9 }1 V
- LDA #$25
. \+ \8 [# P- p" H7 \& E - STA Bullet_Icon,X
! |' T/ [! o. x* g9 Y) `& D& ^ - LDA #$40* z& d7 h/ @$ x: [. T6 P# ]! k, v/ D# a
- STA Bullet_Direction,X% T9 t$ u1 F0 t: m) i; A, u+ V
- RTS
& _# z) u U6 s; t- \/ T! \ - @# J8 M: M6 {7 a/ B
- Bullet_Direction_Right_Top:9 G# T$ a% v$ ]7 Y+ c
- LDA #$25
( k; ]4 t1 I. l2 v. n( Z - STA Bullet_Icon,X' Q9 z6 O* i6 I$ ~" W8 m
- LDA #$802 V& j# l: {6 r4 g% n
- STA Bullet_Direction,X% n( t$ b) }* s, G! e4 D
- RTS# L1 K; Q/ a/ S
) j! _5 K7 U6 X! C' _- Bullet_Direction_Right_Down:
) ^9 e" c2 C% b! f# @. e1 u4 q - LDA #$25
/ x- W$ u; Y2 z: Z' h - STA Bullet_Icon,X
0 V* M+ }* n0 O0 k4 w; s: v - LDA #$00
. K; Z! S# M. | - STA Bullet_Direction,X
7 S: J- F" y& Y# Q% F% e# _ - RTS2 f( K, X3 m; \. L6 z- _$ {
* v. i# U1 E* q+ r! m, ^- Q- Bullet_Direction_H:" b- ^6 A; b+ Z) r: n7 o
- LDA #$246 J. q; Q5 f3 j. u
- STA Bullet_Icon,X
% W* C; G0 k$ T - LDA #$002 H! ^. P& K( M7 q
- STA Bullet_Direction,X
3 u0 R) F% s( V2 G( L- d - RTS
/ o9 D- F2 W2 X. m# J0 J
0 T; [9 M2 }1 T' h) O- Bullet_Direction_V:8 Q& r( [8 M+ A3 A! y% }
- LDA #$23- V; D$ t7 p: y9 V$ \
- STA Bullet_Icon,X3 Y9 B& \) ]) e1 Y+ A; |) `
- LDA #$009 D6 B% b# |' \% p0 ~( M9 M1 P
- STA Bullet_Direction,X
' A) k, H! E, h% l: l - RTS
) i) ^6 a; w+ ^- `2 H, z! q* V
2 Y5 F# X5 F. U* q `7 v) ^- Bullet_Speed_Data_Ex:" X, W" F d$ ^+ r
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04; d# Q9 M8 Y* ]
-
3 V3 U6 L/ p9 u - Bullet_Speed_Data_Ex_R:' H; x: W4 U& h
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$089 `+ M) c- F9 F" p# b9 m
-
复制代码 ) y% @, p8 H9 H6 j* \% R6 }
( d* n% h$ @! `5 o
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