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[FC][魂斗罗][J][追踪弹]$ \! y: D q, T, E
8 s4 _0 \2 O. J4 M6 C8 O5 G时间:2023.04.30
. `' S& J+ n$ A3 x- T2 Y& s作者:FlameCyclone+ m) O/ W- Q2 h
内容:+ k# B- o5 E1 K& x, \
1. 所有子弹追踪敌人
# \3 x$ c6 V: O1 @6 W+ I! p 2. 选择键切换武器- L2 H9 a5 Q! i6 h0 U2 [
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
# g1 H K1 E( B ( L; {$ K& ^% T* y7 r& D
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁" H- ]2 V; H' N( v$ F9 b
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
# c! ?$ k9 ~0 L - 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)
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- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
) Y; G$ b0 R* R3 m2 C1 P7 J4 W0 b - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上9 C7 `% X9 u& Q; t
9 n7 U; T/ N! ~- J+ E- Track_Enemy_Index = $6000! b) X% D; w7 s" [) Y- R
- Enemy_Index_Begin = $6010
1 M" s+ L. [+ V; F8 C - Enemy_Index_End = $6011
; \3 z) k! O L5 b' t( R - 0 D& P+ x7 r7 x
- Loop_Index_I = $6012$ Q" U P2 M* Z) M! `, N
- Loop_Index_J = $6013% I; k- M- P% ?/ y* {9 W" a" v
- nEnemyIndex = $6014
+ g% R; M b `+ G" ` - Data_buffer = $6015
J# B: Z8 z$ y - ( g2 L; e" E1 k* i- C1 R- g
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标+ \; u/ h4 }4 m- T1 W- x/ k
- Bullet_X_Pos = $03C8 ;子弹水平坐标
( S, `' W* ?' Q% `2 f; S/ t- T* N - Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ t+ Q4 u; l# T; ]: }) w - Bullet_X_Speed = $0408 ;子弹水平速度
; y! b5 S r' G - Bullet_Z_Pos = $0418 ;子弹Z坐标$ y# w* r2 j: \7 b0 u% ?
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P% b) x0 F, u$ {6 E
- ; f5 ]1 }) L6 I+ T# y6 u3 ~* |
- 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8 e8 Z; m1 W8 r2 t
- Enemy_Blood = $0598 ;敌人血量/ q) _' S8 b2 e: @
- Enemy_Type_Addr = $0528 ;敌人类型( ]7 R+ c2 q) T! g$ }% b" C$ [
- Enemy_Blood_Addr = $0578 ;敌人血量* L/ l9 ^7 w) A6 X( S. _2 U
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
# j( ^1 V9 o5 Q( }/ W - Enemy_X_Pos = $033E ;敌人水平坐标7 `; l# \% D5 S% F& D
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
% K7 @8 C% t/ F* B; | - 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3 @* p- N4 T! A) h% ~# {8 X
- + f) m# N* { O# I% o
- Enemy_Index = $83 ;
0 l6 H+ J+ P6 x. } - Time_Count = $1A0 O& o% l' K( W; L
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率# D# s9 C3 B* s) D0 r0 T* n. l! z
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率( z5 h# V$ R0 n
- ! q$ o M9 _& F
- 3 N' E# W8 K& Q! q R2 o: s
- .ORG $6100
( S2 H/ M! Z" D6 I) F9 d/ |9 a% H - Process_Begin:
2 ~) I0 P4 c0 s: J, J2 q) K - JSR Enemy_Check6 b) }$ v- Y* J' S! f! s
- JSR Track_Enemy_Check# e2 j* y' } x3 m# ^ V4 J
- Process_End:4 @* Y; x) C$ z/ ]. D
- JMP $E54F
! A8 \: Y6 f% V+ m# O+ Z3 i7 H - 8 y/ ?2 j4 q; V+ J
- Enemy_Check:
+ f9 e# }+ _# p9 [ - LDA Time_Count
* y0 y9 T Y' l: ^: P1 N( q# T - AND #Track_Bullet_Speed
* x" u& q( X) U. I - CMP #Track_Bullet_Speed5 s% H+ M# J$ f( H% c0 s) K
- BNE Enemy_Check_End
* b" _# X! r8 B4 j - LDX #$0F
: c. f" ]$ j1 q- K: A- H6 M - Enemy_Check_Begin:
$ |+ e2 `3 w# q% R4 w - LDA Enemy_State,X
0 V! `: @: T5 h* J& U( T3 t( {1 j - BEQ Enemy_Check_Continue
% ^1 s5 f- R% s* b$ Z# t/ ] - STX Enemy_Index
# ?8 I4 y* {6 v9 V+ V% ~" C - JSR Find_Begin_Enemy
# \2 B) t: {# A" i8 i" G e6 w) ]# N - JSR Find_End_Enemy: t/ E! P5 I; D) Q
- JSR Bullet_Track6 H7 n8 \5 n* {; m' f7 I
- 7 p" F0 I) [# I9 |( K
- LDX Enemy_Index6 a+ D4 X( V0 C4 a
- Enemy_Check_Continue:3 I" _% [3 o1 x0 a( ?
- DEX
7 ~) K! q. O, g1 _( g6 c - BPL Enemy_Check_Begin
# r- Z5 s1 X. ?- Z" m3 p - Enemy_Check_End:3 H: D/ ^3 L0 `9 m6 y* \' ~
- RTS
y) U, g. v( U4 K6 } E -
; b$ s( g3 {- z! ` - Track_Enemy_Check:
: k: u. N3 L* Z7 ` - LDA Time_Count3 s k9 e4 _1 ?, i$ d' v
- AND #Track_Enemy_Speed2 e) Y, Y' b- Q" t& l) t5 `
- CMP #Track_Enemy_Speed! f0 v2 f3 f0 d2 B5 s/ A
- BNE Track_Enemy_Check_End
) a2 T* Z% @; K) L, o - LDX #$0F r' S t+ T p& M
- Track_Enemy_Check_Begin:
! p/ {5 K# W$ y4 B: x - LDA Enemy_State,X
' y0 h! n8 G1 Y6 f7 N - BEQ Track_Enemy_Check_Continue8 S" N/ r7 b/ Z* P8 B, Z# g
- STX Enemy_Index
( G5 Y4 a9 T% |8 H" N -
( i4 {5 b! h+ h4 L4 [2 | - LDA $40
2 x5 V% k; s6 H" j6 R! _ - LSR
" N. I3 i5 z& X2 V( B, x! Z/ n/ H0 q - BCC Track_Enemy_Check_Begin_L1
# I" b" J- j' K( D; t& d3 j - ' s' q( C. w7 c% V# K: P5 l) ~7 C: e
- JSR Track_Enemy_Ex ;2, 4* }+ X# u m; b- P, n; k: T. G
- LDA #$001 A; R% p7 A% T ?8 |4 d
- BEQ Track_Enemy_Check_Begin_L2
) j2 E1 g9 `9 p& I1 J3 f -
7 M/ K1 O4 G3 L3 d3 n - Track_Enemy_Check_Begin_L1:
; j9 r+ b5 _: K0 Y# c; N6 O - 0 t: x8 v9 b5 }2 }: i* y6 K" M
- JSR Track_Enemy6 l1 h1 ?8 a3 ~, V: ^3 D+ f* Y
- 7 ^) r+ d D; r. c
- Track_Enemy_Check_Begin_L2:8 ?. N+ x! o) [6 c
-
; V0 a/ b# l- `. ^( _1 l. T9 C% D - LDX Enemy_Index
9 ^9 c* o+ P, Q! B" ]0 Z/ g3 \ - Track_Enemy_Check_Continue:
8 }/ ? p, B& N+ C7 I - DEX
2 T& z# R4 A2 S$ w. X - BPL Track_Enemy_Check_Begin/ A$ i/ ?/ i& b4 N" b+ K
- Track_Enemy_Check_End:* r* n, R8 Q `2 n: V/ y- g( F& r
- RTS- d, h4 P. |0 S* n& K( w; | a
- . d- \3 M3 v9 X1 y* j
- ( J, g, ^2 r# |$ G) x' U4 c1 F
- ;查找第一个敌人
" g# D! e* p9 R/ a4 H2 y( G - Find_Begin_Enemy:
0 n: d1 g3 k/ i& N1 _: b - LDX #$00& i* U0 k* d8 m6 Y
- Find_Begin_Enemy_Check:
* b. ^+ J; e2 B2 a - LDA Enemy_State,X* }/ e j" d, `
- BEQ Find_Begin_Enemy_Check_Continue
) e. K2 J3 c# ?1 a& n - LDA Enemy_Blood,X/ ~1 b* B4 n$ P! W( ^: {
- BMI Find_Begin_Enemy_Check_Continue/ Z8 D& H) y; z- J# k
- BNE Find_Begin_Enemy_End+ J+ y3 `) V1 q8 A% a/ [
- # ?1 [8 l+ R1 V5 I
- Find_Begin_Enemy_Check_Continue:
: |: M. `% R% g, C - INX+ f; l7 c. y1 P V3 R+ P* \
- CPX #$10- s/ y- y X1 [( u1 b
- BCC Find_Begin_Enemy_Check0 c/ Q3 L/ x; B" w5 s
- Find_Begin_Enemy_End:
9 Z% r; ]. C% r - STX Enemy_Index_Begin
$ t' T/ K% P7 j( d% J: w% z - RTS
$ f! R" G$ [$ N* c8 g' Y/ t# L
! G6 P5 k7 Z, ~9 D- ;查找最后一个敌人
+ D, _, d) ?, q H2 t' N2 V - Find_End_Enemy:! j! A. {! ]0 U, m8 Q
- LDX #$0F
/ X6 k6 F; t/ d- g7 I0 B - Find_End_Enemy_Check:
5 n9 z! K: c; h# |# I, \4 r - LDA Enemy_State,X
+ G* }; T9 \$ P1 S( s - BEQ Find_End_Enemy_Check_Continue2 l W8 Q% Z4 V V! y! z# }
- LDA Enemy_Blood,X
" ]# B/ k: J' _ - BMI Find_End_Enemy_Check_Continue& l( a! _6 T$ g0 ?' ]
- BNE Find_End_Enemy_End& J) B% | ^5 _3 T& H% _
- $ `& X& [0 }' M2 }1 ]
- Find_End_Enemy_Check_Continue:6 m: t' t% H4 [4 W% g
- DEX
: v4 X" j7 r$ l: F - BPL Find_End_Enemy_Check
7 r9 ]$ F& H+ C8 ? X; m# t - Find_End_Enemy_End:- |+ k5 V9 K# l2 |4 R% L
- STX Enemy_Index_End
/ t' J5 X o* W& V - RTS
7 k, e8 o2 A$ R2 Y! m% g; @1 V
$ ?: w5 I/ g, A- ;子弹追踪
) X( d: J. `, N! C+ J, Z q$ B% E - Bullet_Track:3 g4 P- L9 b6 m( t6 ^% {8 v
- LDA Enemy_Index_Begin
3 Q8 j" E, B! n# z% A. | - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;! A, [ |) ?# o* ]
- LDX #$00 & f$ v) t4 K$ Z/ k$ A
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)# a' X) _; @% Y' q6 g/ k
- LDA Bullet_State,X z6 s o9 W6 N' M6 N/ r. r
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
, c- X2 a$ r; T - STX Loop_Index_I( I6 c9 A. ^- @# r( v% A7 f) S$ W8 D) n
-
- y* e- s) _7 J( L' L$ w - JSR Bullet_Track_Enemy
# J- _ U4 D- |/ J - JSR Bullet_Tract_Direction" C R" c, Q% r0 @; f) A a
- 6 p' E$ e" e; g' J
- ;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
& h# R: x, J& X8 K9 H5 I- L - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
- q4 k2 g6 o0 b I& {4 t - LDA nEnemyIndex6 S. M, Y/ g) Z
- CMP Enemy_Index_End
6 x5 v* u& ^% E9 h( I l8 j - BEQ Bullet_Track_Check_Continue
; H8 I" O8 K0 N6 G$ }' H - BCC Bullet_Track_Check_Continue
" W x2 j+ S0 d' k4 E - LDA Enemy_Index_Begin
( V* g; F) O+ k& ~( W - STA nEnemyIndex
2 r, y* P* Y6 [* @8 w - + I) g; d# e' M
- Bullet_Track_Check_Continue:
$ l# k+ y1 F4 k9 `% F, k5 v$ q - LDX Loop_Index_I
$ a% r# B' \' f" b - Bullet_Track_Check_End:
; Q0 h" T0 Z6 X7 [ - INX; k/ N# x( B) c+ j
- CPX #$10
* d; Z6 [/ P. a - BCC Bullet_Track_Check
2 t+ ~9 R( S5 p4 A - Bullet_Track_End:1 L/ m9 l( ^" o3 Z. F
- RTS
# f3 _4 Z/ _/ _: d; B- _( {) e" q' { - 0 H0 O g1 ` ]9 ~. o$ W
- ;给敌人分配子弹
0 K9 ^' {3 l; J - Bullet_Track_Enemy:
2 g; f# Z1 z9 g( v - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
( Z; l# ^& J9 R% {9 | s% q - Bullet_Track_Enemy_Check:! K K' y2 r2 N- D1 r* v' K
- STX Loop_Index_J
0 z# T0 D) D) U* V: u -
& C4 u9 e( z4 W* f0 S. ? - ;if (0 != nEnemy[j] && -1 == nTrack[i])
9 l9 z6 v9 F. [& B - LDA Enemy_State,X( M0 _9 S1 r" b) n1 x2 m! w# z
- BEQ Bullet_Track_Enemy_Check_Continue
9 [5 o% H- a, e5 e1 z% |4 t) T) k - LDA Enemy_Blood,X& f G7 u7 J. C0 y
- BMI Bullet_Track_Enemy_Check_Continue
: B" j2 A' I/ n$ z -
9 H6 B' O& B; b6 v l+ ? - LDX Loop_Index_I/ P* ]5 N* A/ G2 ~* X8 Z
- LDA Track_Enemy_Index,X! ?& x9 Q2 }$ \2 U
- CMP #$FF
. r( D% `3 o. D/ ^' k' ~' o - BEQ Bullet_Track_Enemy_Init
* @2 W' u0 b. X( d- ? -
6 J0 s9 Z1 |0 e4 n& I - Bullet_Track_Enemy_Init:: t8 f' a& p6 y! o$ _/ n8 L) t
- LDA Loop_Index_J6 u- C( Z1 g: `
- STA Track_Enemy_Index,X ;nTrack[i] = j;
- E& h5 w. a/ ` -
, @6 L" U, h# u3 ^. Q - STA nEnemyIndex
4 x( {8 g. Z0 V. j$ h6 m" @ - INC nEnemyIndex ;nEnemyIndex = j + 1;
' e1 U2 g! t2 p) |: @9 d - RTS ;break;& W3 p7 r3 r& h1 X( h5 I, _' N# e
% d) \+ ?+ k% b- @ \; ~6 J. P- Bullet_Track_Enemy_Check_Continue:0 b" s; A7 A7 }" x h; {
- LDX Loop_Index_J# I0 q7 Q6 H. A' Q, Y
- INX ;j++
) R2 t; r( s0 |. u% i. c - CPX Enemy_Index_End
) Z5 d O5 v& ~9 ~: C3 i# k - BEQ Bullet_Track_Enemy_Check* l- v8 H+ }, X, s! e' \/ P# h
- BCC Bullet_Track_Enemy_Check
. l5 @; t3 }. L+ J1 ` - Bullet_Track_Enemy_End:9 k6 c# q. x; s6 P
- RTS
% R- s3 [9 C$ l3 f2 t - ( u4 u! P" F5 n2 v
- Track_Enemy:
) P* L8 B4 D1 _9 a" f - LDX #$0F! m- s. ~: S M
- Track_Enemy_Begin:
/ X: E& \& F. G. S3 h - LDA Bullet_Icon,X
. [. C0 ~% {/ P# x* }6 p - BEQ Track_Enemy_Continue
- }4 Y/ f u% { M( H1 }/ w4 q8 W/ v - LDA Bullet_State,X
5 ?4 K( b& k: m j; L - CMP #$01; |0 C; c( x' ]0 f+ s$ L
- BNE Track_Enemy_Continue& _: d% h, h6 Y- S7 s0 f* r
-
9 ~6 U/ v" v) V% N4 t% N6 ]3 v - JSR Track_Enemy_Process7 V% O* ? q u: U- y
-
' T# ^4 C3 v: [5 A# ?! ?/ z - Track_Enemy_Continue:
x ?1 l4 J) e1 ?/ A1 J - DEX0 D9 s, O# Y0 N" d. y8 k
- BPL Track_Enemy_Begin4 `- Q, _' `/ J# l9 s7 K
- RTS
! ]/ g: J4 u3 f- U8 _/ X& x - 5 u! Y# V \6 U! Z
- ;普通关卡: R5 ?) F* t' L) g, x
- Track_Enemy_Process:
7 ]6 [( g6 y9 O( u. k. B - LDA Track_Enemy_Index,X
6 |, w6 v- u! r9 R! p3 D' j) ] - CMP Enemy_Index) P6 @$ s u& f
- BNE Track_Enemy_End6 K- d% o: M3 ]. c/ A8 J
- LDY Enemy_Index
/ [; b# C! Y7 O F# ?6 F - JSR Track_Enemy_Y
- o, v# c% | Z' x0 ? - LDY Enemy_Index5 V/ \" O; c& r7 ]( S' _! `& M9 o' Z
- JSR Track_Enemy_X& l/ \' ^. B. q- c% R
- Track_Enemy_End:
9 v# h; U2 d; I1 P4 E - RTS) \6 I8 M( N/ ~
- 3 K8 F' l6 g1 X8 I- [0 `5 m. w
- Track_Enemy_Y:
% Y: \% j" V' `% T - SEC7 h& ~% e6 Z, s( G" f
- LDA Bullet_Y_Pos,X# ^+ s$ d! m) }1 P2 W; y( ?4 V
- SBC Enemy_Y_Pos,Y. e6 q: O9 g ^& O
- BEQ Track_Enemy_Y_Equal
' U$ u7 h% `/ D% m, e - BCS Track_Enemy_Y_Greater
: q" {* H; Y4 R# s: H( t0 f -
3 S$ R7 z+ K5 q+ O. x$ @ - Track_Enemy_Y_Less: ;子弹Y < 敌人Y: Q0 v/ o: U. X& |+ Q! @4 m
- CMP #$FC
6 e1 N$ C+ Q+ |' J1 x4 w6 `5 @/ A - BCC L1_1
5 [% O% j3 C# I" ~- X - CMP #$FE k9 m3 O9 G) x/ \4 F$ x7 T
- BCC L1_2
( f0 R0 o- Y0 ?8 k- w9 D - LDA #$00
2 a# A9 X) t) Y - STA Bullet_Y_Speed,X' G* T! B( J1 u5 g
- RTS# w- ]* e F7 C
- L1_1: - X0 H3 s# [! l3 J1 U8 j& C
- LDA Bullet_Type,X& L, G6 y- p9 Z$ |' p0 P. m
- AND #$0F
H, S+ ]; Y+ y - TAY4 f0 q! w! S- K& i
- LDA Bullet_Speed_Data,Y& x0 @& j* T' w& Z2 a( D7 c$ @
- STA Bullet_Y_Speed,X
4 i# r7 K) r' D - RTS
; }" J% m4 I2 u6 p' k! O2 e - + L5 L2 w" J. G' a% Y
- L1_2:
+ w( ]" ?" |8 t8 H$ k' V9 B - STA Data_buffer6 A* H; c. ?) y# d
- LDA #$00 n7 j0 S/ z2 l
- STA Data_buffer
$ s! X( |* w0 |. G - LSR
+ a" A/ \5 [! c) f$ s- n1 M) B - STA Bullet_Y_Speed,X
9 q- Q: e, `8 k1 J& q4 z+ P; \3 @ - RTS
% x# F* q+ H( _6 [! u
- u+ G+ v& h" _9 a! F4 H- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y7 ^3 v8 `. }. M4 w% p$ s
- CMP #$04( h% M& s C7 V4 I. z1 [
- BCS L2_1: \7 S, M: A1 l. i
- CMP #$04
' f {2 }: ^8 A3 Y+ u - BCS L2_27 A$ e$ M! m$ r% C' h
- LDA #$000 j3 z2 i' I8 O; a- c
- STA Bullet_Y_Speed,X
$ I5 ?/ P7 _; T) C3 \( N5 Z - RTS1 N! z9 g: b' y: R
-
7 y& S* D' }; s9 f - L2_1:
' u6 h% r5 e) r - LDA Bullet_Type,X1 a% i7 x$ z; D) b
- AND #$0F) m; P3 ?) Y# k4 x8 A
- TAY% h6 Q6 } w) u+ z* `( ~* L
- LDA #$00* ]9 v8 y' [1 Z# a
- SBC Bullet_Speed_Data,Y
7 j1 S# s" k5 }2 C4 e( V% t( @# H - STA Bullet_Y_Speed,X
" n' W( Z$ B+ d9 o1 p - RTS; u. q9 b, G6 C+ f6 `9 S( x
-
7 o M* y& ~3 d* E, m - L2_2:
. E" J/ X# }+ H& m4 |( w - LSR1 p" H0 k& v1 a! Z8 l/ g
- STA Data_buffer3 U0 U ], [! x1 b- Z- m* ^
- LDA #$00
* s( \, ?* X, w5 h - SBC Data_buffer
/ o: N j; q4 }* ~5 I5 M2 Z - STA Bullet_Y_Speed,X7 ~; p, p3 x2 L' c) `0 c- e
- RTS
" ^1 Z. i# y+ U -
7 V) x# N/ b: p - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
% i. \3 H; X {5 h- A - LDA #$00
' [0 O6 S8 d# I5 z - STA Bullet_Y_Speed,X8 M& n/ }) l' B/ o j
- RTS
$ Y4 u7 T2 ^5 F# g# C% k) {4 N - ( {+ E1 A4 I) j6 A K- _, k2 H/ X/ g
- Track_Enemy_X:: G/ \* Y3 F0 |
- SEC' S F+ y e3 [% P* z: f
- LDA Bullet_X_Pos,X
! N9 `* I* S$ \4 Q - SBC Enemy_X_Pos,Y
% e9 U6 u5 O: F! _' i - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X" ~% s5 L6 x2 ?3 ~: D% x: X C7 q
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
0 a- g6 v |, Z5 e8 L& ^ - ; O. h1 q8 s- w1 n
- Track_Enemy_X_Less: ;子弹X < 敌人X9 ~# F p( [! E* `4 b r
- CMP #$FC% _4 P$ e. ?) `. ?. B8 i; X$ c* m
- BCC L3_1: z w' z0 B9 n/ ]3 e
- CMP #$FE
! o6 M1 j6 b/ G' f: V" A5 c. Q - BCC L3_2
# N+ W9 w2 U# C& I+ ?: y9 M4 ?) _ - LDA #$00
3 j6 z$ G. p* u - STA Bullet_X_Speed,X y5 i. M$ G6 C9 b( A h! t
- RTS
4 l0 {9 Q5 q! x% g - L3_1: + K; m0 j- r- n1 f0 K- z2 g
- LDA Bullet_Type,X( { q6 D h- j6 g7 Y! ^
- AND #$0F2 q7 ?* Q! Q0 M) n8 n- T
- TAY, W( _, \2 P! B+ c' k+ ]- k( Q1 D
- LDA Bullet_Speed_Data,Y0 G6 H; Q( K U' M( D
- STA Bullet_X_Speed,X
; }1 ^. z" g5 S$ I1 n+ F# c - RTS
4 Z V) s V( e/ Y1 a' ~( K. b - L3_2:
; g6 n" I/ c& N' p( h, h _2 G - STA Data_buffer. w7 ^6 B6 O4 }2 g \) H
- LDA #$00
2 k0 M. y& V7 M, L# F - STA Data_buffer' q: k% p& y5 R2 e( b
- LSR+ @7 [$ p. R, F) b
- STA Bullet_X_Speed,X C! a# Q6 [5 | ^
- RTS' M( r9 C4 g) `
-
' \; j/ g9 M+ \* t( L* N - Track_Enemy_X_Greater: ;子弹X > 敌人X
: X1 i/ r3 k, |5 C - CMP #$04
r4 K5 \$ ~" |5 l/ Z7 N% O* \5 ` - BCS L4_1
8 s$ d6 j" u6 v: h8 I - CMP #$025 }! t5 M% s" e4 u0 T
- BCS L4_2
4 t# S) T: d0 E3 N - LDA #$00$ v5 _# d' M" O8 h/ s# t: i
- STA Bullet_X_Speed,X1 D/ J5 H! C% x" l% n) M
- RTS8 y- I2 @+ I2 w. H
- . S, H8 e' i z0 I
- L4_1: 2 [/ s0 W- u4 |1 I; `. P. j6 F
- LDA Bullet_Type,X' @7 D3 I( ^" Q3 ]" j9 V
- AND #$0F& ~4 \3 a7 c: k' l
- TAY
* v8 f% v Z/ |0 m( K2 Y - LDA #$00
2 n8 H X- T& z: o# k' x! ] - SBC Bullet_Speed_Data,Y
8 d$ t& A B+ z5 ], c" L' P - STA Bullet_X_Speed,X
# k' \' a' c& L - RTS
7 ~+ T8 E8 R a# f - L4_2:
* {: s7 X0 @6 h% [) i: u - LSR$ q7 z& Q/ D6 [# f: ^7 S" R0 I
- STA Data_buffer
. e1 `$ L1 [& a5 D1 m+ g - LDA #$00- v2 p1 H! y7 x* [) _7 j7 P
- SBC Data_buffer
1 m" ?% i1 u& E. P0 n; z8 v - STA Bullet_X_Speed,X
% L- p4 d, H$ C' r; x" [ - RTS
# h9 b9 p; u& b. \. _ -
* O4 U4 z( o5 m - Track_Enemy_X_Equal: ;子弹X == 敌人X2 k, b- z0 E x" p; V
- LDA #$00$ u; W% U j# W, w
- STA Bullet_X_Speed,X# F; _8 G9 a, @ m" Z8 b
- RTS
* j8 _8 r$ \8 s -
+ \3 l8 U) M( f1 L9 ^; z( r - Bullet_Speed_Data:6 I0 S8 G! j/ ^1 k1 R
- .DB $00,$03,$03,$02,$03,$03# H1 J% b7 G, c t9 i; N
-
$ u0 h0 Z9 s5 s, q - ;2, 4关3 A; ~$ ^4 ^& Z: Y" p2 V
- Track_Enemy_Ex:5 q. M% H# G$ g9 n1 j* K
- LDX #$0F
/ y. k2 h9 r1 X: {% Z! @ - Track_Enemy_Ex_Begin:/ @: q# A# E) q6 |" M& w
' y5 o9 c6 t* |, K- LDA Bullet_State,X6 I0 u+ L ? V1 l/ m
- CMP #$01
1 W% K5 \) u. {9 `% \0 I9 d - BNE Track_Enemy_Ex_Continue: R y+ V" X6 `
- 5 b9 V6 }2 e7 E- c& T' R& y5 b
- LDA Track_Enemy_Index,X: C' a$ [' E5 g" {$ D* D4 d
- CMP Enemy_Index
! d1 ^/ ], ^0 v1 r( C) N! L, @ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
3 P/ y) F9 i9 z ] -
: m0 Z/ u8 e" t6 f, h - LDY Enemy_Index) E. B* t( X. F* M" a/ c
- JSR Track_Enemy_Ex_X
% Z" b! J- u# T7 L -
) ~5 U" L& p0 w0 m# a+ n i - Track_Enemy_Ex_Continue:0 i4 g: B" w. S6 s. @
- DEX
- B' m* U5 D$ Z8 b3 ~" l# G" q& `4 z - BPL Track_Enemy_Ex_Begin$ f; G1 R* b- F- r9 S1 ?
- Track_Enemy_Ex_End:( y1 M; c. {8 K1 {
- RTS) l" ~9 Y, u- e. I0 q
-
' i+ x+ t% [0 v- T2 A+ e - Track_Enemy_Ex_X:
; {$ r1 p+ S& x( }1 H) q5 d: N2 h, P - ;LDA Bullet_Z_Pos,X8 \! A6 g: [+ r0 n7 C5 N
- ;CMP #$04; ?1 x/ a$ \9 ~! d1 Y) K$ s5 I
- ;BCC Track_Enemy_Ex_X_End
2 L! Y: B& G! Z - SEC# t: Y0 G! I+ c& z6 l5 ]. D
- LDA Bullet_X_Pos,X; }$ x- J* x! l" L+ D
- SBC Enemy_X_Pos,Y
! A, D9 r6 @, i' P - BCS Track_Enemy_Ex_X_Greater! ?+ i6 M* D+ D1 o A- W/ ?# s( m
-
1 b' u& \! f7 X* q - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X# E+ C$ ~7 P; h9 I* l2 k
- CMP #$FD
8 h9 ~, n% o) N0 y; o- [ - BCS Track_Enemy_Ex_X_Less_End
* X$ h+ @6 ]: Y+ \' B4 A/ u! k - LDA $6020,X
& I( f5 Q* J- Q! F* o+ A! e3 i/ K - CMP #$2A6 {* N, {$ X! C! t3 y7 z
- BEQ Track_Enemy_Ex_X_Less_L1
: {) k+ e8 f( ^ - LDA Bullet_Z_Pos,X- G5 f/ g; a4 l9 \, c
- LSR" F$ R1 ~2 B8 {0 {# ^
- TAY# V1 [4 ~# g" ~* `7 V
- LDA Bullet_Speed_Data_Ex_R,Y& F# T( K/ u2 z& _$ B \
- STA Bullet_X_Speed,X
5 p: V) O" y# Q. l - RTS
1 C' k1 m+ N- i7 ~' Z - Track_Enemy_Ex_X_Less_L1:
r# E: a" F6 c9 P& o# w9 ` - + b0 S- r; _: j4 O+ i5 L
- LDA Bullet_Z_Pos,X
$ g5 a0 e' ^' M - LSR
! y5 P$ G$ I7 W6 Y! v, e. f - LSR
4 x6 q) I% a/ m - TAY
, C8 {3 N, v/ r4 ?! S9 I - LDA Bullet_Speed_Data_Ex,Y G# @: A+ O' i1 l- ~
- STA Bullet_X_Speed,X k' b8 i& b! g( o6 l& q0 G% W6 z! r
- RTS4 ~1 q3 n/ ?$ F+ E, _5 F
-
1 \7 M$ m+ }: f5 i/ O; t - Track_Enemy_Ex_X_Less_End:
- n1 I% q* `- U - RTS% S6 y1 |% g- } F$ P
% [$ y/ ^6 a# k: y6 [1 [3 V- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
5 a( J. E$ y$ K7 F4 K# R - CMP #$03$ N6 U+ m, f H% @6 I: Y, T
- BCC Track_Enemy_Ex_X_End: {+ r2 O0 e% V7 R# n2 A* b
- LDA $6020,X' j5 A7 f4 g0 d- M/ ^. k& c
- CMP #$2A; ^" G5 g$ k; S
- BEQ Track_Enemy_Ex_X_Greater_L1
( k1 {0 l7 ]9 m) o/ V( y U - LDA Bullet_Z_Pos,X
7 }- v# R8 P3 r) d2 C( k - LSR& ~: P0 C: v. d6 K/ c9 f% n
- TAY
8 U* [; M# |1 Y2 x4 r7 B& X - LDA #$00
/ W) e3 y; A. \3 C4 i5 n+ e w$ l - SEC
+ E ^, ^3 s; [9 ?6 v5 I. v# r7 G& U2 ` - SBC Bullet_Speed_Data_Ex_R,Y% R/ J) d" A. {) @# Y( E5 l
- STA Bullet_X_Speed,X* ]' J1 y! W$ M: l! T2 u
- RTS" F o C, i; C' f* T0 k8 `+ b& H
- 9 b% P$ s5 E: d& m7 b5 c1 T. a
- Track_Enemy_Ex_X_Greater_L1
: C3 e; k* O+ O# w0 K% F - LDA Bullet_Z_Pos,X
p! C2 M3 I( x' F - LSR) c7 h% _3 Q' W8 s' v. q6 b3 j: d' B
- LSR) T F/ @) L+ h2 P
- TAY
8 S v2 C& t, C/ o$ K C - LDA #$00
* E3 E- y% X! D, k: h - SEC. o6 N2 }. K$ g
- SBC Bullet_Speed_Data_Ex,Y/ K# u8 ^ X: e
- STA Bullet_X_Speed,X
X2 h( P' Q. [! n - RTS
, q' v# u8 C9 s2 a5 S) V. p# M -
/ r# l% A# r9 U - Track_Enemy_Ex_X_End:/ w2 ~% _5 Q$ v1 R' S a+ C' L
- RTS
0 E7 a- Y/ @7 Z6 A/ C -
' |8 K& d$ f# 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)
0 ?1 Z: G( l0 {& V O - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
/ r6 x8 H6 W0 D" @ - Bullet_Tract_Direction:7 ^! X2 j+ M, r. X# I, U1 K+ H
- LDA Bullet_Icon,X
7 m2 g/ y% a: f) r2 U - CMP #$23
! [5 {! P! i6 R. ` B - BCC Bullet_Tract_Direction_End
7 X1 n- w/ R( h9 g: b8 ^7 s -
6 N7 d4 l- }' j( ~! r2 e' V( n - ; X != 09 Y0 `* y# w5 o' D
- LDA Bullet_X_Speed,X9 {" p( }; Y5 F1 y" z# \. `% o6 ]; T
- BEQ Bullet_Direction_V
" S$ E; X. P W -
8 e2 Q. w9 T) I- Z5 m( R - LDA Bullet_Y_Speed,X
" K4 i2 X# e- |; g( A5 v - BEQ Bullet_Direction_H# t, E2 T1 S% W% K }% {
- 7 i3 q& R) q! {' M* R4 }
- LDA Bullet_X_Speed,X
1 T! K" ]0 ~( x2 N) H - BPL Bullet_Tract_Direction_Right
) D; p& k! f0 [% R+ c9 V( T" o - Bullet_Tract_Direction_Left:
! M, ?, B8 ?5 ?7 g6 V( h - LDA Bullet_Y_Speed,X
" c4 L( \$ v+ l& L8 {' M0 l: Y - BMI Bullet_Direction_Left_Top
/ v2 ]: P$ W! J7 ]9 e/ e - BPL Bullet_Direction_Left_Down0 J1 ]4 m1 ~: W
- Bullet_Tract_Direction_Right:
0 ~; f/ z8 D/ w" U$ `% H# h - LDA Bullet_Y_Speed,X
8 i# n3 a2 Y: L$ e. h: ? - BMI Bullet_Direction_Right_Top, l% Z2 N8 R7 c# ]
- BPL Bullet_Direction_Right_Down
6 v- {1 `3 S' a/ ?1 w - Bullet_Tract_Direction_End:9 f1 v$ U0 M2 n; H. u0 B$ U
- RTS: S7 b5 m; e7 a5 A% D5 ?; f
- E2 G3 r; u D7 {
- Bullet_Direction_Left_Top:, B. N" f0 o, i9 e
- LDA #$259 V; u& x8 _% A, K9 q4 P. c4 Q2 a1 T& ?
- STA Bullet_Icon,X7 u# J( {8 n0 c& a" v/ g4 e
- LDA #$C0
3 N2 { E9 G7 x. g* A) a. N - STA Bullet_Direction,X
0 Q/ B) J- g2 \+ t - RTS
( q0 J0 \/ v3 {) M8 g - " H! x. B* a% v+ N
- Bullet_Direction_Left_Down: u9 p) n5 w% ^7 g8 Q
- LDA #$25
" U9 y# b7 U X" ?5 I Y - STA Bullet_Icon,X
% p6 F1 v+ Q1 r - LDA #$403 K- J1 _, M. e$ K o5 c3 P0 h0 N
- STA Bullet_Direction,X
8 U8 D# J7 b- v& @: C - RTS
! _+ o, F5 s& o j/ `4 X - * T8 M% Z( f. i1 L. D- }* `
- Bullet_Direction_Right_Top:
0 z. Q8 Y; _6 Y - LDA #$25
. Q& i: w+ L) L+ _ - STA Bullet_Icon,X
& w b7 I3 \1 L0 n. u3 ^7 P8 Q - LDA #$80
8 Z/ X- ], B9 k$ K' V p - STA Bullet_Direction,X6 q8 S& X g- H0 Q" W: S4 f
- RTS
! Z9 J$ Q. Q0 T$ U% W( h; Q! P; c - % L0 }7 Y0 o" C9 G5 i
- Bullet_Direction_Right_Down:) R( g7 k2 p' ^
- LDA #$25
* Q' g/ d4 B7 `; K% X - STA Bullet_Icon,X
6 s/ j" i p0 m; H# R+ Q - LDA #$00% O6 A, U/ G6 k# k- f6 d
- STA Bullet_Direction,X
/ P$ k8 }8 U9 z3 N - RTS* U+ I& Q' v: Q% L
- ; O/ G+ X6 |9 R& ]6 h& T
- Bullet_Direction_H:
: g: z& G! b6 s* d - LDA #$24
% y9 \- @" F2 J# b. N D - STA Bullet_Icon,X
3 B$ x7 m# Y3 g# [# B$ s; R; n1 ] - LDA #$008 K2 Q3 U/ S# `! r
- STA Bullet_Direction,X
/ s' t' {1 t* K. L - RTS5 f1 @8 h' J; K$ A/ B* q
; j. b: R8 e+ R3 ]$ u- Bullet_Direction_V:
) g# p* o; C: i$ I) x3 }# R$ g - LDA #$23
1 ^+ S: r/ N9 X' u; e - STA Bullet_Icon,X; [; \$ h2 |7 R1 M, S4 R
- LDA #$00; {% g1 |* ]" L9 s/ N2 A
- STA Bullet_Direction,X1 R3 J0 Z2 N6 j* K/ f; _
- RTS) g a6 j! {$ |: P- {
* t [! N# h; Q1 M3 {- Bullet_Speed_Data_Ex:2 D& S5 Q0 }( r/ s6 Q, O
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04! p1 O& s* G/ c @+ x2 S
-
% n& E' u! t( v) L - Bullet_Speed_Data_Ex_R:
. g7 L! [* R: C! H1 N7 P; y - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
0 U) i; R& V! o: U( [2 a# r -
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