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[FC][魂斗罗][J][追踪弹]
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* O4 _' m1 M6 ?( ^+ s时间:2023.04.30$ |2 l- L0 ]$ E' X
作者:FlameCyclone+ W! Y; J- ~/ L2 Q' G: ?
内容:7 @* B+ I: l. I7 z8 P" B
1. 所有子弹追踪敌人# O# s, c' R' h. z. c
2. 选择键切换武器, c+ U$ C; ~3 H3 Z6 K) h
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1 r! i. R L$ V- A7 p: Z2 L- C/ F
( X$ q! H7 `% h2 G0 ~flamecyclone.ys168.com2 n ]1 |3 i3 g. Z# k

2 J" u" ^. ? C' k4 h" U3 q- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
5 c6 D4 K0 S; ^6 f; Z9 V" b8 ?) ~ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" {, R- N( S# X4 b0 h7 q6 I2 E9 ^
- 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)' i7 {% N b) q4 u# z1 f* V& O
- . V3 _- A. d6 r# u
- ;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)
1 F" M+ r. y* n) F6 ~ - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
5 a5 l& y. A* o$ k3 b: ` - / k3 Y: H2 m# b7 v( f) |4 J! a
- Track_Enemy_Index = $6000
: O7 i) Z6 L: x6 e - Enemy_Index_Begin = $6010
$ Y! [2 k1 ?, C# n/ d8 N- j - Enemy_Index_End = $6011
' Q# p7 Q" _1 }0 i5 I% J1 b
: h2 m* B% ~/ K" \: C$ N- J/ y {- Loop_Index_I = $60121 t0 W) O6 ]1 w7 ^
- Loop_Index_J = $6013
* u5 \& R) w/ b3 S - nEnemyIndex = $6014
* W1 n3 C" a* ?! o" P* j3 [+ R* M- o3 H; R2 i - Data_buffer = $6015' ?% X4 i% w+ d, p
- + G5 a _) X0 F) T
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
9 p& C; x# y& { - Bullet_X_Pos = $03C8 ;子弹水平坐标
1 g7 E& I" I( Q0 W% f6 R* n - Bullet_Y_Speed = $03F8 ;子弹垂直速度
+ ^6 h) Z! e+ @) A' F+ K: c - Bullet_X_Speed = $0408 ;子弹水平速度) I3 L! Z' E( Z `( l5 z* M0 D
- Bullet_Z_Pos = $0418 ;子弹Z坐标
; k# M" r( L, @! F - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P! t; {. \7 f7 d
- $ Z p& a6 w1 n) T+ |
- 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* ^" D5 V5 S: {6 E. H
- Enemy_Blood = $0598 ;敌人血量1 v. r& J, g f* \
- Enemy_Type_Addr = $0528 ;敌人类型
+ }, L7 G" X! U! r - Enemy_Blood_Addr = $0578 ;敌人血量
( ^* e4 X( K8 n, l - Enemy_Y_Pos = $0324 ;敌人垂直坐标# Z: N# I, x' l: s" @' h' M8 n" Y
- Enemy_X_Pos = $033E ;敌人水平坐标) H2 e- R N/ x* _. n: V3 l
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
1 S1 X1 ~: Y8 {7 h1 }' U3 @( V - 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
) g4 }! P6 l6 F/ d - w* ?, g0 j# \) h
- Enemy_Index = $83 ;
0 Q& t- e* V( O6 Q, J - Time_Count = $1A
6 w# c8 Z+ U% t: ^1 j( }. D' u: c - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
1 N7 X; L* j Q( Z- q1 d* M - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率8 r. D& [0 _. v3 Q( z8 g0 s
- 1 d% k3 n" S* |+ }1 }+ c- a7 M( T
- * E# D4 ^# y, p$ O Y
- .ORG $6100 l& H8 [! D0 o/ W+ z% U8 ^: }
- Process_Begin:5 r. ^, U2 m; h0 ?$ {$ N0 ]
- JSR Enemy_Check
- _9 Y& G/ b: M1 \6 O( ^& A* @7 A - JSR Track_Enemy_Check5 Z5 ^- ], f2 Z3 h
- Process_End:3 Q9 v9 F _$ R; {7 I$ m
- JMP $E54F
! f! f, n( ^+ m
4 y" h/ U0 D+ a9 H2 S- Enemy_Check:
8 f5 \9 w) E$ z - LDA Time_Count
. u- ]: U+ M; o! ?) O( v - AND #Track_Bullet_Speed
7 A% ^* B. N, I - CMP #Track_Bullet_Speed
4 e1 G/ f0 b$ I9 w |; U# z" c - BNE Enemy_Check_End& P5 s9 ]: x8 |( X8 [8 z
- LDX #$0F
4 G/ c0 N1 x& k* B - Enemy_Check_Begin:
. `, n& W3 ]( D1 W" Z1 z - LDA Enemy_State,X
3 G1 G* e8 J1 Y$ Z - BEQ Enemy_Check_Continue6 ~6 t& \! L: U) Y$ C) f* H1 `, M
- STX Enemy_Index
+ F3 D |1 N ^: b$ ] - JSR Find_Begin_Enemy
+ R6 I+ |4 T2 h6 v - JSR Find_End_Enemy. y# X4 ]% F+ h$ V+ @
- JSR Bullet_Track3 k1 s6 N6 X& x* P, }. c" s% z
- 9 t0 R, u. X, K: Q
- LDX Enemy_Index
/ @$ b. B2 S# n3 ^ - Enemy_Check_Continue:8 h4 X B% p) r+ [: H+ M: _* ~
- DEX
0 E+ W5 o0 b4 I. ?' A6 Q+ ~ - BPL Enemy_Check_Begin! g; o0 G0 h- Y, V. v4 ]( X
- Enemy_Check_End:
6 b5 {7 \0 B* \+ W% e - RTS
( Z6 `7 E3 H( ^8 h8 s* ^* m5 C: @ - " W4 E: X: Z- a+ k0 K2 ~0 [
- Track_Enemy_Check:
2 ^9 {, d5 F# P - LDA Time_Count
" Z, |) r+ K% {0 @* r W( V - AND #Track_Enemy_Speed. S2 F- X3 A, \8 ^' S) a
- CMP #Track_Enemy_Speed: ~' M7 Y- c$ G. b
- BNE Track_Enemy_Check_End3 U6 n& c H) I4 W" {+ f
- LDX #$0F
. G E# G H9 d5 U3 P( X - Track_Enemy_Check_Begin:
/ B- w, e" Y* U - LDA Enemy_State,X5 f$ p4 k/ [ b/ B& P( k
- BEQ Track_Enemy_Check_Continue
5 i' [1 m( {( P9 v6 O - STX Enemy_Index
7 W; L8 z. r, w0 x& A - ; a1 V# ^5 R) L0 |; b! C; F4 x
- LDA $40& N% P6 c2 t8 h
- LSR0 c9 N2 k! Z9 E7 I }
- BCC Track_Enemy_Check_Begin_L1
3 L0 W* ?4 y( E z - + W6 \, i% D5 A2 t% e$ d) R
- JSR Track_Enemy_Ex ;2, 45 Q& }5 G# `' l) P o
- LDA #$00 D9 H( U" C R2 U5 C
- BEQ Track_Enemy_Check_Begin_L2( G/ o1 O, u+ e. a7 b5 m
-
% \, D( `* r- q8 p! G. T1 } - Track_Enemy_Check_Begin_L1:7 p+ O& ^8 O# |; \0 K2 e1 _
-
) X7 q9 d/ t; m; i - JSR Track_Enemy1 s/ j8 q) R; Z5 I
- * M- g/ X: {# N5 P2 k8 m- B
- Track_Enemy_Check_Begin_L2:
" x& O3 O! e8 H -
9 Y% G7 {4 v; K9 | - LDX Enemy_Index
. z' A% ]" x: U2 t: E r9 d - Track_Enemy_Check_Continue:
* ^% P) v& d- I4 b - DEX
1 l6 Z1 i; B9 D2 U/ ` - BPL Track_Enemy_Check_Begin
5 x3 Y6 I U' D$ \) R - Track_Enemy_Check_End:
* {3 d. d+ W3 s# Z* h/ G - RTS
; ~3 x8 ?9 L! G" [) q3 E9 j) H" l
. H( \( N( P2 v5 q z6 ]1 F
" E" [- L/ }! k: P1 ~- _$ b- ;查找第一个敌人
) d! k0 e' _. k; C6 M. |# U/ r - Find_Begin_Enemy:, f* }2 Q4 }' \4 @4 [( W
- LDX #$00
# K' K1 y0 l4 |$ J1 u0 |' d7 [6 v: q - Find_Begin_Enemy_Check:
- Z$ E& r3 G: F6 v/ a) A, @ - LDA Enemy_State,X$ g9 T1 \( Y) D2 [ ]. j; e6 w& G
- BEQ Find_Begin_Enemy_Check_Continue
+ k" L8 f$ w8 \9 m; A0 P# g - LDA Enemy_Blood,X) v9 u. Z; S4 n3 z: a! f, n
- BMI Find_Begin_Enemy_Check_Continue: b) q, [0 I a5 g A: [/ v2 x
- BNE Find_Begin_Enemy_End
: }0 W% H3 T: X1 L6 m0 v -
. M, t7 O) n6 J# Y+ y - Find_Begin_Enemy_Check_Continue:6 p9 K/ }: X- A! W& s
- INX6 |4 c2 |* @$ _. f6 A
- CPX #$10' v. ?( [5 m, k
- BCC Find_Begin_Enemy_Check& r( B% b. p) s* Y0 }% A
- Find_Begin_Enemy_End:% y- S4 J: N% O' s4 K
- STX Enemy_Index_Begin
) a+ O* n, m' ^2 l/ | - RTS4 N( q8 j0 @5 H' W8 M: @! Q
5 s6 U4 k) x1 c- ;查找最后一个敌人
, I w k* ?; V) q# P0 g) C - Find_End_Enemy:
]' I1 s1 U9 P& M - LDX #$0F' Z! e! u- ?3 z2 u: ]% I
- Find_End_Enemy_Check:: d: ]$ v- t- U
- LDA Enemy_State,X& J( o4 P, k- y1 l8 d5 t
- BEQ Find_End_Enemy_Check_Continue
2 X/ ]! r5 l; X2 P; P$ K* z1 M - LDA Enemy_Blood,X/ A) A! ?( ?3 i' M
- BMI Find_End_Enemy_Check_Continue
9 p; S( U- v$ l+ d! H* I9 j - BNE Find_End_Enemy_End
/ d% a5 d0 s7 G7 [ - 5 e+ |9 x. r8 s5 }
- Find_End_Enemy_Check_Continue:0 K A ^% w3 m/ }7 Q
- DEX
: v! ~" g! f6 D5 V - BPL Find_End_Enemy_Check
; X) T4 K6 \% ? - Find_End_Enemy_End:
) X. Q: x6 _" b P0 _' K - STX Enemy_Index_End+ n- w5 i, ], `5 [( ~
- RTS9 |# L' s6 o% Y4 g) z" i
- Q/ [. x, m/ R% S
- ;子弹追踪
; l1 F' n- t3 h8 [4 A - Bullet_Track: Z- Q; |. i2 h. H" y# D
- LDA Enemy_Index_Begin# k& i1 z- @, C/ ^ }
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;+ ~9 o$ S* q1 K) w; Y, A
- LDX #$00
( T8 X; r6 ^" @. ~1 D - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
" G: V$ C( ~" Y! F4 s+ Q" _1 q# b - LDA Bullet_State,X
7 A: }9 q& A7 t8 E& k" q* a - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
+ ]2 C/ K4 T+ I - STX Loop_Index_I
6 H8 L0 I& A+ Q- F- p, N -
# I% x; l0 ?( X3 r6 o0 F% S - JSR Bullet_Track_Enemy
' u1 o3 c S: y/ @- G+ T - JSR Bullet_Tract_Direction
3 K* A' N+ N' u% y. v% _$ M" n" o -
- T- Y; C8 j3 I$ [& P7 M - ;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7 d: H- p4 Y0 e0 z
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;; T+ D% K% p3 g }& t3 X3 ]( ^
- LDA nEnemyIndex9 D) p! I$ O1 \3 `; i5 [" G7 q
- CMP Enemy_Index_End
/ i B- |) A$ U6 Q7 ~ - BEQ Bullet_Track_Check_Continue. K" Q7 ]1 N& J
- BCC Bullet_Track_Check_Continue7 k9 @: c& e" Y4 G. ?' ]
- LDA Enemy_Index_Begin; W0 s7 W; d8 a; T3 n3 D
- STA nEnemyIndex
X: c# r0 r; O$ M -
( \/ \" N9 O4 d: O' ^ - Bullet_Track_Check_Continue:
$ P7 I* E! H' O6 T* ]$ f9 G6 o - LDX Loop_Index_I6 l# k( Z0 e8 E# J& H/ Q
- Bullet_Track_Check_End: I9 ~ a& Q0 e! C& L
- INX/ W+ T. m8 P2 V/ X, j3 M: `4 t
- CPX #$10
/ f9 g4 {6 g/ I H - BCC Bullet_Track_Check- O! |& O5 L$ I: H
- Bullet_Track_End:
6 I; U' b, E* Y! d - RTS1 ]3 E+ }. d4 `" }5 k& ?
-
" [+ ]* c1 c) k - ;给敌人分配子弹
b) f: Z9 N- ~; D7 v* R) T - Bullet_Track_Enemy:
+ Y) E, L, s2 o; W - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
. P6 I2 Q3 @5 G3 ~. E, g - Bullet_Track_Enemy_Check:) H% r$ Q* j. Z4 M$ k3 s5 F
- STX Loop_Index_J
) S' C2 |6 n; J$ {" }$ \/ a6 p - ( d( l7 k2 C, Z$ R! X
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
+ l& N' ^/ M4 N/ X7 v" b - LDA Enemy_State,X; E1 }+ Q' r0 W4 c4 q
- BEQ Bullet_Track_Enemy_Check_Continue$ P' S( L' @! C5 B& B
- LDA Enemy_Blood,X
/ q* }2 O9 }" E/ B# H# ~ o+ d1 \ - BMI Bullet_Track_Enemy_Check_Continue7 ]! a7 n# D0 Y9 t
-
) ?! |: z4 L9 J2 d3 {# b' U; Y - LDX Loop_Index_I
' }$ k0 v0 ^3 g7 r' w! c - LDA Track_Enemy_Index,X, w4 M, Y9 b1 b7 F8 M
- CMP #$FF& \. O7 Q5 I9 R$ _" v
- BEQ Bullet_Track_Enemy_Init% f; ~5 `, K. g x7 J
- ! i% W* ?9 v; N, Z1 c
- Bullet_Track_Enemy_Init:# ^* h' f) |8 f) z7 m$ s
- LDA Loop_Index_J
' O7 ]! ^$ w# b2 N) q9 o: P3 a% f - STA Track_Enemy_Index,X ;nTrack[i] = j;4 D" x7 s I( U+ y' }3 C& w
- & N/ H( l! ?/ l* w5 _0 s4 X) \
- STA nEnemyIndex% r0 c) q( _$ _* e- `3 [
- INC nEnemyIndex ;nEnemyIndex = j + 1;3 e* v; C; B* P- b
- RTS ;break;
, b/ Z" k9 }! ^0 N - : Q2 x( N* c6 J. ?9 V
- Bullet_Track_Enemy_Check_Continue:
8 W& C1 }! \: ]/ [ - LDX Loop_Index_J; p9 k5 h b k& T7 `% t
- INX ;j++2 `/ n- L( B# v( i2 M: p, {7 b& ?% _
- CPX Enemy_Index_End# ^) m+ q" m' @/ j/ F" r$ U
- BEQ Bullet_Track_Enemy_Check
. _, g- G, R7 |* I: u# T4 X. b - BCC Bullet_Track_Enemy_Check
$ H0 F2 p3 ~2 n/ I1 R - Bullet_Track_Enemy_End:
8 a+ t7 y- h5 F; \# i - RTS# \4 e7 ]) j% q' R5 }
- - n" f# S i1 B
- Track_Enemy:
1 b6 J+ B' s: i8 P - LDX #$0F
8 h* u+ b" z- b( ~. i - Track_Enemy_Begin:
& j: _0 F: }5 Y - LDA Bullet_Icon,X O/ c) u2 \ i$ ]/ U0 t0 a: a1 j
- BEQ Track_Enemy_Continue7 h; U6 s6 O5 r, i4 I
- LDA Bullet_State,X
/ s( _; O4 h ~3 Z4 O. Z$ l - CMP #$01
+ J& g& c# o. x - BNE Track_Enemy_Continue. d9 [7 j9 f( f4 _7 g' p* Y5 N
-
# s8 z: c) J! U2 v; v0 Y - JSR Track_Enemy_Process
/ P3 X/ C- G& M. d6 o - # Q& Z7 X# @! Y7 k& J; w
- Track_Enemy_Continue:
9 N A/ X( @. u" g2 B/ b% ?, [# Y - DEX
8 Q$ c* ]! q9 n( |& K1 _( V - BPL Track_Enemy_Begin
6 I8 b; n1 \ N& y, q - RTS
$ v+ }5 |: M$ Q8 P0 ]
- V) G' V; A4 G0 @7 `' `- ;普通关卡
4 m- K* }3 L: o+ d/ Z5 T) J - Track_Enemy_Process:! \- f& @; \+ }1 A) k( m" H% v
- LDA Track_Enemy_Index,X, R( {. @" {/ u* @
- CMP Enemy_Index) [; n- {! f. w) A- _! {
- BNE Track_Enemy_End! Z' s0 K9 K9 Y5 h X9 v
- LDY Enemy_Index0 ], |/ d7 j$ g- k* k8 L
- JSR Track_Enemy_Y
/ K# u% M+ p- i# r: P. p' ? - LDY Enemy_Index
& D! Q/ [! ^( `# N5 A! g1 @ - JSR Track_Enemy_X1 ?0 s! {! D/ P* _* g
- Track_Enemy_End:
W7 ?% W z; `4 A - RTS: H( v" A+ ~: q% n6 R
- + W T7 w8 Y! A4 M
- Track_Enemy_Y:
% I! i4 A5 G7 K) l2 W - SEC% l1 r) v6 r D" c) t2 n# ]
- LDA Bullet_Y_Pos,X) @; \) h" R$ K2 Z
- SBC Enemy_Y_Pos,Y, C& P# E m! x! ^) S" ?- {! \2 e3 c
- BEQ Track_Enemy_Y_Equal' v9 @% ^3 B1 E* r& L# R
- BCS Track_Enemy_Y_Greater% R3 [7 ]& ~$ |. `
- - i `- T! {% n! O7 |6 Y
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y9 a1 N9 R* U$ i' Y
- CMP #$FC. P% ?9 j) Y2 W3 ^+ ~0 J+ g
- BCC L1_11 c" s( ]. U7 L/ G
- CMP #$FE
9 M9 L# U) \8 k4 k% _0 A - BCC L1_2* x3 G& k8 [4 h3 R" @/ C- s# \$ ?. F
- LDA #$00
5 q8 O0 i R7 P* _' Z( [% {" y - STA Bullet_Y_Speed,X! y5 ?. W! H5 ~* N! T) Z+ V2 a
- RTS. F- F( Z1 G7 r& v* f2 [% @
- L1_1: ; N9 _3 ~5 W* K: c4 L3 ^5 t
- LDA Bullet_Type,X h/ K* F1 ~8 B7 P: s+ `
- AND #$0F Z' h- T/ s/ X
- TAY0 p& j! p+ X+ @$ X
- LDA Bullet_Speed_Data,Y
; h6 H! b P. ]% }. h% a( P, |- f+ { - STA Bullet_Y_Speed,X$ b! g) Y j c9 V# H( j/ n
- RTS
( f% d* K4 m/ {/ Q5 _4 a
/ i6 `9 \3 c1 C* }/ N' n! C- L1_2:
& D# f+ S4 ` g6 j5 y; j# b - STA Data_buffer( k3 F) ^, _, a( F
- LDA #$00
( K4 j6 @4 j( Q; c' U7 ` - STA Data_buffer9 a/ W+ x: T2 z* I
- LSR$ f) C, k$ ?5 H& J, E: k
- STA Bullet_Y_Speed,X
5 u5 C( W( O, N& l1 Y - RTS
4 m9 s4 t9 O; I+ ^ - . X$ I3 g" J; A: D& V( _1 o/ ?, I
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y+ F) P" I8 i* M; r/ A
- CMP #$04' ~1 f8 B8 s8 }
- BCS L2_1
# U) @, f4 s3 L - CMP #$04' e1 I5 e0 q. t" c7 g7 f
- BCS L2_2
; g' i$ U* J, N9 _% {$ o# ^. x - LDA #$00! d3 C g8 y, k1 ]& ]
- STA Bullet_Y_Speed,X
# T/ X$ b) q, M% `7 @% Y! A# S8 Q - RTS0 E9 a% V% E2 f! c; Y8 X
- 6 {4 D1 B+ ]3 }$ y9 I1 |- r
- L2_1:
) Z. q, c6 u$ I$ R - LDA Bullet_Type,X
7 c$ U* X- U8 d! W+ q! K - AND #$0F
( `* e! X. A. @/ T" n8 ]1 S k$ W - TAY: B6 U h& q6 W n* c
- LDA #$00
1 _" |5 F9 L) ?& \) b+ h, c6 O - SBC Bullet_Speed_Data,Y k7 S8 g# n; o- O, C& J- }8 J
- STA Bullet_Y_Speed,X5 G: Z; i' i! l) `
- RTS0 e1 {9 }# d* N; b
- o- n& P; g5 ~& @4 J* j3 D
- L2_2:
- ~" e$ ~# c9 @( s - LSR
' W4 |2 \, k7 l4 n2 e% ~9 y1 Z3 m - STA Data_buffer- I4 Z) ~$ x- X) c& A r* X. [5 y
- LDA #$00: _& E6 M; B, m2 R" A
- SBC Data_buffer% m M6 f1 [1 A0 Z/ V
- STA Bullet_Y_Speed,X
! r' @( Y: n3 w7 r; i) H* U - RTS% Y# q3 ^; }$ p8 ~$ R& s% }! P
-
# O2 z! b! w* o8 ^" _/ N y - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y( B9 i7 N4 @+ c" T0 g
- LDA #$00: ^4 l8 J n4 d8 [9 t( W# c
- STA Bullet_Y_Speed,X1 _1 Y4 v& [0 J2 U- ~
- RTS
! O: ~- ^* X2 ]" a -
0 h. [% r0 m8 i* v - Track_Enemy_X:
. y: [3 R) L1 j2 d1 y - SEC
3 B! ^& P- U, m& R - LDA Bullet_X_Pos,X
. ~/ c' m* O) _$ f( o2 C - SBC Enemy_X_Pos,Y
) \0 w. K1 q/ `) l7 _$ h - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X6 U1 y. W# C) g. a* W3 Y
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
! ~; |# ]9 \. R+ v* t/ G ~ - 5 Z$ n' A B/ G4 {' T8 Q: B
- Track_Enemy_X_Less: ;子弹X < 敌人X
0 v; ~1 ?) D c& O7 B. J; d2 n' q - CMP #$FC
) L, E l0 x) l" w - BCC L3_13 d; c2 Y! R% ~# i8 P: H, I# @
- CMP #$FE2 g% I+ w4 e# [4 i1 w
- BCC L3_2+ d9 G: t' [; s1 f: R
- LDA #$00
9 e3 ^: P( C( ^$ v - STA Bullet_X_Speed,X# v, X# h4 j4 H; L) W4 Q3 L0 C" Y
- RTS* X6 B" i, J) F N6 J t% b
- L3_1: ( t# I1 E" y! }& D
- LDA Bullet_Type,X% }9 C8 \6 n7 e6 i9 n2 d
- AND #$0F
! R) H/ A) D- g& e9 } - TAY
! m* ~3 w& S& [' T3 n - LDA Bullet_Speed_Data,Y B+ h2 J0 L' [1 K
- STA Bullet_X_Speed,X& T t1 r' ?2 d
- RTS4 o U# t/ W8 x& J; R; q' j
- L3_2: : v7 ^- j( m1 w
- STA Data_buffer4 n1 s$ w/ f5 o `
- LDA #$000 V6 l5 z" E$ @' M# T
- STA Data_buffer
1 R6 [1 l4 ~2 ]* } - LSR* J" ?3 n S1 s! n0 M
- STA Bullet_X_Speed,X; K7 G/ T' a; w7 l
- RTS- B: O8 o2 v/ S& J' T+ ]# q
- , M! G8 x8 g2 x3 x/ g9 ?
- Track_Enemy_X_Greater: ;子弹X > 敌人X
' O1 X4 J$ _- X! e+ K3 T - CMP #$04
0 y! ?2 L4 G/ G/ K - BCS L4_1# y P- X, l Z/ T
- CMP #$027 P2 g0 c4 m1 n5 K
- BCS L4_26 R! @* y8 O1 ~* ]& }8 C: s9 P
- LDA #$00
3 ^. G: ~- l5 E; c - STA Bullet_X_Speed,X8 r: _+ T9 b$ n% X2 [2 p7 r
- RTS' }* W/ B* f7 k; L$ h9 i
-
. K0 y& B+ {8 W: @ - L4_1:
. `* b- k+ Q/ { - LDA Bullet_Type,X! Q+ C! I. v1 X' _6 u7 t0 i$ `+ Q
- AND #$0F
8 t6 E& s! Q! z8 z# T6 Q* c - TAY% U2 z1 W8 `$ c* |
- LDA #$00( G( u0 t* V$ d4 e
- SBC Bullet_Speed_Data,Y
# v6 P5 b ~( m1 M% s - STA Bullet_X_Speed,X! s! T- y, |" L, J6 w5 [
- RTS
) C- E% Z2 j' H8 a ~* K - L4_2: 2 i M( B& N! m% b% ^
- LSR
, N. d! Q' h: T5 u - STA Data_buffer3 G. L" m8 S9 P% Y2 O* t% U
- LDA #$00
* Z* e: m+ f* g( v {" E - SBC Data_buffer4 j* k$ @/ y( e- d# Q7 `
- STA Bullet_X_Speed,X5 V( T% J1 f& j+ z! H% P
- RTS
6 ?, p+ j; }# q3 r1 D j - * F- \. T8 B( [! z# a( g" m+ \2 w
- Track_Enemy_X_Equal: ;子弹X == 敌人X$ g1 q5 J: @. s( C/ X) k
- LDA #$00
6 x3 Z) ], o ? - STA Bullet_X_Speed,X
. x: g( X: f% B. D5 P - RTS
1 n$ [! Y7 }3 ]5 z4 u' x - * N8 {2 B8 B& Z( }
- Bullet_Speed_Data:
5 R# n3 y! o7 m: y - .DB $00,$03,$03,$02,$03,$03
5 f7 | B$ \+ C0 O; v1 c6 k -
M" y: c0 |+ {+ A2 X. k/ G - ;2, 4关; e# [; o _. _8 s3 s9 S
- Track_Enemy_Ex:
9 |+ v1 D. b, x* i - LDX #$0F( l, t+ E6 @4 F! _
- Track_Enemy_Ex_Begin:
1 W# Z o& }# A0 Q# o - % y& C) F# _( Z( ?
- LDA Bullet_State,X
2 @. o* W- |/ V' u# \+ W& C - CMP #$01
( T1 O x3 w9 y2 E2 `* m2 ^; n. f - BNE Track_Enemy_Ex_Continue) i: T" R( F# o$ {3 [: r* j7 H
-
' _/ t# ^5 d x5 D7 I - LDA Track_Enemy_Index,X
2 |9 Y1 v; u3 @9 ?, G& ~2 ? - CMP Enemy_Index, ^* f3 }3 g3 _' n1 [
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标; ?* L; \# T7 T" S
- 1 r, i. W" h# c' y! o4 J( m) O4 K8 v$ _
- LDY Enemy_Index
+ N5 x5 k. ]) K' {1 c - JSR Track_Enemy_Ex_X
! p4 |# z+ y) D+ i x9 e' `+ M D2 o. X - # c/ [- y$ G6 Q
- Track_Enemy_Ex_Continue:( j" [) X+ d& f$ \
- DEX
9 s# \1 `8 z& _ - BPL Track_Enemy_Ex_Begin7 T. a( C3 A& y! h# M* T6 E
- Track_Enemy_Ex_End:
/ n# |# ~ E1 [- {3 R - RTS; z1 `1 D0 s' d/ p- n
-
& |7 \ z5 ?& V* j - Track_Enemy_Ex_X:
$ x$ D# |; o U& L% v7 [ - ;LDA Bullet_Z_Pos,X
7 G7 X5 }9 L( }! a% J+ \ - ;CMP #$048 p3 O; m% z: |6 D( E
- ;BCC Track_Enemy_Ex_X_End* v u; U* a& ]8 O4 n: ~
- SEC
$ g4 h$ F8 U8 D; R6 x7 P - LDA Bullet_X_Pos,X3 G$ N2 G% f, U9 q: Y
- SBC Enemy_X_Pos,Y
s" K& J! D5 O# Z" v' k0 L+ r2 C - BCS Track_Enemy_Ex_X_Greater
$ U$ O: [6 m- [! f0 [# p. ] -
$ y0 d0 Y9 ?: B* Q8 B - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
. o. v0 s; a4 @ Q - CMP #$FD: X# U: X2 b x( @' \0 ?4 o
- BCS Track_Enemy_Ex_X_Less_End: R6 n8 f4 {8 t
- LDA $6020,X* ]8 j5 e6 z: X _
- CMP #$2A0 y- ^: }6 }8 e, G, t
- BEQ Track_Enemy_Ex_X_Less_L1
( x" j/ }( ]# Q% c - LDA Bullet_Z_Pos,X
* ~" l, R3 d/ m5 D; g2 Y - LSR" W5 T V9 X* v- p2 E
- TAY
. l0 a7 ]# U- i) C6 L. c" v - LDA Bullet_Speed_Data_Ex_R,Y( D2 r. c2 J1 b$ L- D, X2 i
- STA Bullet_X_Speed,X
' P* J& h3 ~/ M - RTS1 l/ E/ n. q3 I; ?8 i a
- Track_Enemy_Ex_X_Less_L1:
; K. d; [! p% u2 I- X+ P; y( l/ I1 B
: s$ E# g: U+ r& v5 x& K- LDA Bullet_Z_Pos,X2 \% y7 z% u o b! @
- LSR7 J& U1 m7 @/ \4 ] \
- LSR
V0 P5 l$ c# G, I5 l1 S, | - TAY
$ y9 t) V! B8 i5 p5 t - LDA Bullet_Speed_Data_Ex,Y! |3 N5 I R5 ^6 @, e
- STA Bullet_X_Speed,X+ W$ M) l9 V2 |3 N& z
- RTS( R# C% T: S/ }
-
9 Q h/ M* z! E: i, x - Track_Enemy_Ex_X_Less_End:- L7 I4 F; y" x, ]8 m! [# ]1 ]# P
- RTS
+ k- l" X1 k0 T) m) } - # g& Y) C0 _7 ]" d5 B$ {
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
; j/ k& U% x1 }* a& a: [! S3 I- x - CMP #$03
5 b# F( w5 d( s/ q - BCC Track_Enemy_Ex_X_End
: n' Q2 S! x6 B w8 d - LDA $6020,X
/ ?) X2 t3 e8 {& S' { - CMP #$2A0 ^" ~+ Y5 G5 b1 Q0 A" N
- BEQ Track_Enemy_Ex_X_Greater_L1
* O, X& b! p. ~. i1 u5 }, ? - LDA Bullet_Z_Pos,X5 h; F& @0 H* x# H& W
- LSR' s2 Q! M; b. o7 `9 w! b/ N
- TAY
9 [5 T2 {0 H4 j2 _4 X6 I3 Y& X# ]* j - LDA #$00
/ t! u: v; e, u3 Z - SEC
* `# e ]8 W$ y: n( `# k - SBC Bullet_Speed_Data_Ex_R,Y. K( y1 u% C9 \3 `
- STA Bullet_X_Speed,X. ~/ n* v2 ?) P$ m' ^. l& j, E3 e
- RTS
" `* i4 \* \ l- n0 |/ I2 q, T - % g1 R# |0 `' l6 f m/ U
- Track_Enemy_Ex_X_Greater_L1
- l' y* K4 `" H1 w( m! |! Q - LDA Bullet_Z_Pos,X
1 ~7 T# n' \1 q/ T - LSR
& @; |$ O" f- Q4 G) { J: O - LSR1 i1 V) I4 |( |! X. E7 _8 U% z
- TAY
' A7 F( T) Q& c# z( o - LDA #$00# M. n c2 c; H" S. ^1 n
- SEC% o M# q% w" v! m
- SBC Bullet_Speed_Data_Ex,Y
1 q9 V* N+ B1 H- F# h - STA Bullet_X_Speed,X
) S8 \6 |3 ?! B- {' w4 {: S - RTS
y: E% q; O$ Y! w -
- a9 w, r$ m% Y! o3 ? - Track_Enemy_Ex_X_End:
! L0 j" o Z- G0 ` - RTS
) ?2 G* {+ m5 G0 e -
p5 q3 G x' U, L" S - ;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)8 o2 M5 m3 G% r
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
( O4 i* o6 Z1 }, o7 l7 {: W& u - Bullet_Tract_Direction:
4 D o! S5 W' ] - LDA Bullet_Icon,X
9 H6 w4 c U- d# R0 M0 r- o - CMP #$236 u! z7 P6 a& T) b/ p: z
- BCC Bullet_Tract_Direction_End
2 b8 X2 H7 M3 r9 t - q9 E2 N' B5 |" [
- ; X != 07 [. g! x6 G) e
- LDA Bullet_X_Speed,X1 s5 f3 j1 V0 i+ _( S3 _, j
- BEQ Bullet_Direction_V3 H. K! k! U- f; \2 p9 C' b( N' a
-
% G& v- b7 R1 B7 C - LDA Bullet_Y_Speed,X
, V# V% X/ K1 i u9 R8 i - BEQ Bullet_Direction_H3 y& Y6 x2 i0 r% S' {) _2 v+ _4 F
-
! m( f: w7 N+ x, y3 n$ X - LDA Bullet_X_Speed,X' S' o7 Q2 H* p9 @
- BPL Bullet_Tract_Direction_Right5 @+ Y' q( ~* A" k: }
- Bullet_Tract_Direction_Left:
! ~8 H6 x& o- A# B8 w4 @* ~6 E - LDA Bullet_Y_Speed,X# o _) B B3 r
- BMI Bullet_Direction_Left_Top
2 P3 u0 S+ d6 w/ ? - BPL Bullet_Direction_Left_Down
0 n6 f6 ^ y6 k! _8 T6 W - Bullet_Tract_Direction_Right:' t T+ [8 L2 J1 g4 L5 L* f: d
- LDA Bullet_Y_Speed,X
8 S/ H& ?7 ]8 }: R - BMI Bullet_Direction_Right_Top
3 O/ p/ P' Q5 [" ~ - BPL Bullet_Direction_Right_Down
; i. y E9 H6 D+ S7 N - Bullet_Tract_Direction_End:
, Z1 w! U- M- L - RTS
+ W; E! ]* E* T, ~6 Q1 G# G - ; Z( e. \; ]1 T
- Bullet_Direction_Left_Top:
u1 v: ~. D% n- ^2 q/ ~' { - LDA #$25- R9 u5 ^( Z }! M R, X
- STA Bullet_Icon,X4 b8 Z8 N/ n4 z1 [+ D: i( ~
- LDA #$C0( j! J+ m: G- A0 i- ~, d4 M9 q$ d. D
- STA Bullet_Direction,X* A+ i* b$ C7 F [
- RTS
( z1 u, F: J3 }% L - * {, L$ @! U6 o. l8 `& L/ E) j
- Bullet_Direction_Left_Down:* [/ k- |$ o. G) w* m
- LDA #$25
8 {. x. X# I' q6 P2 z - STA Bullet_Icon,X3 Y& i% |# g) N0 Q9 a8 h& a( t
- LDA #$40
5 y' Q( ?* n7 j1 X8 O - STA Bullet_Direction,X2 ?3 i6 j5 f3 u2 Y% V" R2 Y5 Y! V
- RTS o9 D( V1 n; W- D I; v3 b' \
" c0 K9 J+ w. Y+ O# v y. [, O- Bullet_Direction_Right_Top:
, \7 U( W+ v: U; ]7 } - LDA #$25- E( k' Y% t' A" a. S/ b. T
- STA Bullet_Icon,X) r" q+ B" F! g5 H
- LDA #$80
7 ?' f; [2 q. J) a; R - STA Bullet_Direction,X( v O- t. Q" Y. |. W
- RTS
+ [/ }& M H% v4 |6 i% i3 s; T
5 [$ Z% W+ |' r5 v) D/ F X7 K- Bullet_Direction_Right_Down:
6 c2 _4 J0 S; Q( n( d* p- H8 F - LDA #$25' q! A o" o6 S& L' p' k
- STA Bullet_Icon,X, @- i( J4 z' m- H, _7 N
- LDA #$002 z/ o/ c8 O8 q9 l" f2 c
- STA Bullet_Direction,X9 Q$ H9 H r7 V- [' a0 Y
- RTS; {. z2 k2 v; z
; U X2 f9 Y8 t+ D9 D, h- Bullet_Direction_H:+ t/ M: r& a R1 ^; G
- LDA #$24
5 P' J$ h! h! f) B' S - STA Bullet_Icon,X
6 b: h$ u# w5 I( ?+ `* Z% G4 { - LDA #$00
7 C2 Y( z$ [8 Y1 v4 v* ] t - STA Bullet_Direction,X
3 F4 Q; R0 D0 G3 X - RTS7 r4 e7 H& E; d5 B( t& U' A- N* p
1 e2 {7 Q5 x: S7 F- Bullet_Direction_V:
* d( ?+ i8 c6 p - LDA #$23& m( G3 [, Y- n: T, {% c0 D
- STA Bullet_Icon,X
- D' @) z* b1 W9 ~" B4 P* S2 s' a - LDA #$00
9 @( Q9 J0 S# c - STA Bullet_Direction,X! ]! T: D9 e9 ^$ r, s
- RTS
: p* d, B7 Q9 [9 M/ D
: o9 D/ Z0 ~% E5 |8 M. {' R" H- Bullet_Speed_Data_Ex:
8 I" p& U, _+ Q2 r1 X - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04: m5 U9 ?0 T2 ^; V& u/ n1 s$ e
-
& L: [1 N% w+ x7 g9 e0 K - Bullet_Speed_Data_Ex_R:
4 ?: u& C$ ]4 n1 i- v! s( T& ? - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08: p" W3 A+ R2 R1 D$ S2 k
-
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