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[FC][魂斗罗][J][追踪弹]( G1 b# s8 A$ ]" D0 z
* ~! f, U, ~6 E- O* ]时间:2023.04.304 M5 ]8 t" G1 H3 S* E( p$ ~2 z( N5 _1 q
作者:FlameCyclone
# X9 e% t% M5 a- h$ E4 t内容:
5 m4 [. D9 e1 y, v& v 1. 所有子弹追踪敌人
# P% i8 h6 b8 h. ?8 P 2. 选择键切换武器
' Z f8 j2 d' F4 T 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
) J8 {( \, z3 Z' J
2 M9 [! s5 x0 U5 e8 nflamecyclone.ys168.com
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+ o; n9 ^& }( x2 R# `7 e0 t- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
* O/ c2 K6 j, F) B - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
# r' V" k0 }% R/ c - 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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( l# L( I& }" U- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
2 c i4 S3 u. R$ T: e - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上9 }- r7 C! M/ v/ g( N+ D" z! D
- - T M' T8 O/ T" Y
- Track_Enemy_Index = $6000. v) }) p- w2 ]4 u f
- Enemy_Index_Begin = $6010
, U2 Z4 n# {1 {9 p - Enemy_Index_End = $60112 ]$ _" c- c3 L! C" T
, P0 i! v" ?0 D" D. m% R# I7 ]- Loop_Index_I = $6012* i9 T% n4 E! E2 F
- Loop_Index_J = $6013. Q" ~+ s4 S) l. ^( q9 a' z
- nEnemyIndex = $6014
6 Y. u: _; k% ^8 O) p# |4 B/ w - Data_buffer = $6015# C6 ]% Q" H% ~( s
- 0 W0 V# V3 M# T! m( x. B
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
: C) P( E/ z/ g# f% X4 e" A - Bullet_X_Pos = $03C8 ;子弹水平坐标/ S# h' _* `, ? ~* ~% w* n
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
2 b/ h$ ^6 Y2 q4 @ - Bullet_X_Speed = $0408 ;子弹水平速度) f! ?( O `3 m/ A1 o; u
- Bullet_Z_Pos = $0418 ;子弹Z坐标
5 k; P! \- b% A. H) m8 e - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P$ S" N" v; g0 B; p( {& r
- n, N5 i k% T- ~" g# e( X! h, W
- 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
; z- n# @' Z/ H( e, j1 V% n - Enemy_Blood = $0598 ;敌人血量 m4 \" w, K2 @! V; \9 Q
- Enemy_Type_Addr = $0528 ;敌人类型& `" L+ T- S" m
- Enemy_Blood_Addr = $0578 ;敌人血量
, R# {4 ? }& g( I: B, _ - Enemy_Y_Pos = $0324 ;敌人垂直坐标( r: ^" T9 i# q" q) M8 A* d
- Enemy_X_Pos = $033E ;敌人水平坐标
/ u1 i* T! X! E" B4 _7 r/ n! w* J - Enemy_Y_Speed = $04E8 ;敌人垂直速度
/ w! C1 R7 o) f0 w - 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7 a' j+ k* g9 D
- 6 Q2 a2 \, {' X R% \5 U W' Q
- Enemy_Index = $83 ;
& _5 m, o! N* l/ `3 c" O! d6 O; T - Time_Count = $1A
. O2 T. x, |/ J& k* p - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
2 [& b9 b$ [# }$ y, t \ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率2 Q# }' [! y- C5 w3 z
- 5 S& o1 |* z# [3 J" g' G3 o
- 2 p% e5 c- h+ l0 q
- .ORG $6100* w4 \5 r0 a% D" |* @0 F3 `5 P! Q
- Process_Begin:
2 P6 ~! ?# V$ t0 L8 f$ m' I" s4 x - JSR Enemy_Check$ K! k- `' Q k5 I; Z/ M9 a' y- x
- JSR Track_Enemy_Check: d9 P$ w5 c8 Z1 v7 \- |1 B, @
- Process_End:
N$ Q# m7 v8 A0 `5 ?/ r - JMP $E54F
: \6 L. n6 D9 y V9 H - 9 [) d l1 ]* ^4 @- z
- Enemy_Check:
+ f' R5 `; q2 h. ^3 C - LDA Time_Count
" h' O6 S+ m9 t; ^ - AND #Track_Bullet_Speed6 k! O$ p" q6 u
- CMP #Track_Bullet_Speed6 r' Y% b6 ?4 c+ w" P5 b% j4 x! s
- BNE Enemy_Check_End
' n [: b0 J5 s$ P6 n - LDX #$0F
: Q7 ^2 z+ S- b$ t, ]# m - Enemy_Check_Begin:
/ Y, Y7 J; \: }8 s; u) S - LDA Enemy_State,X
0 o( }+ f8 p U4 H0 j$ D6 C2 T& X, p; e - BEQ Enemy_Check_Continue
) P) `2 p0 ]4 K6 Q2 l1 k: G8 ^0 | - STX Enemy_Index- J; O0 n9 V1 m! W. X) p
- JSR Find_Begin_Enemy$ {4 O/ E: r3 B3 a
- JSR Find_End_Enemy
- p, L, h; Q7 [2 U) D* Y6 ~0 ` - JSR Bullet_Track j* Z! V3 L- G
- + _4 a! E7 A* N2 V! |
- LDX Enemy_Index
2 D# I2 U* {2 n4 r6 Z1 u* ] - Enemy_Check_Continue:" f8 d' Y# Y* i
- DEX- [+ F$ C/ V1 A# t7 g
- BPL Enemy_Check_Begin
8 @6 Q" m2 s. [8 O/ H, e( n/ Q - Enemy_Check_End:) X' B( ~. N) o6 D
- RTS
4 O3 ]4 A% Z* W" U! \6 P' l -
5 x" \- r) {" w2 X3 e2 @ - Track_Enemy_Check:5 o4 _2 }/ H: M3 s; S, s
- LDA Time_Count% V6 q4 H! a' d9 m7 ^, d; p* t9 p
- AND #Track_Enemy_Speed
/ p3 X/ |; F h - CMP #Track_Enemy_Speed. U! D( }: e4 y9 T5 C
- BNE Track_Enemy_Check_End
) m3 ?* Q3 i/ l7 @: `/ r9 D - LDX #$0F" O/ G1 u7 _& {- M8 X
- Track_Enemy_Check_Begin:5 u/ M4 I" c. A/ Y; N6 c" k( P
- LDA Enemy_State,X4 k! M6 G1 x/ ` m$ h1 ]6 ]' |6 q
- BEQ Track_Enemy_Check_Continue
: C3 m8 n2 a6 B% m; k2 G6 Z - STX Enemy_Index
/ v# i: d" C$ |8 E% ]& | -
* W1 J: f0 q) s* \8 m - LDA $40
" j% A# d# R- V, z3 p, z% ?* S, b2 h - LSR5 ?/ I" _9 T5 Z1 W- h8 j. ^6 K
- BCC Track_Enemy_Check_Begin_L1% U6 W# d/ d$ O# O4 W M5 s2 ?
- ' |2 ?3 ~% ^+ D) I; i7 l
- JSR Track_Enemy_Ex ;2, 4
0 w4 {1 W2 A2 R; s5 k4 H" M& }, T - LDA #$008 \' b- j( g5 l
- BEQ Track_Enemy_Check_Begin_L2) X) k4 t+ P- N3 d# J; k
-
, K% [! w) B0 j* u) f% Z6 c V9 U7 C - Track_Enemy_Check_Begin_L1:# H8 }& C( O1 \/ x! e* N6 F, N: L
-
( u w2 }# V& q4 u* Z& \0 Q - JSR Track_Enemy
: f' P- C3 j6 d- B
5 G/ }9 S. @6 t- Track_Enemy_Check_Begin_L2:$ m$ q* s4 I+ ~5 z; v" u7 ^
- + D, D( n- X- e, d! f8 Z
- LDX Enemy_Index
" P# \5 l: i. |& y2 C. g, P% p% U% o - Track_Enemy_Check_Continue:& e; C9 l0 j' [' i* S: r0 v, r
- DEX
8 T' v3 J" h0 W }; s. ]4 x - BPL Track_Enemy_Check_Begin
, ]+ |; L6 h0 w3 ~0 t% e - Track_Enemy_Check_End:. m# y6 c. `6 n. k: K
- RTS
0 V' N) _' ?* D2 c7 P$ N
S1 E/ S! K6 Y& ]$ @
! D8 f7 Z3 n. S h3 w( Y8 x- ;查找第一个敌人5 i' R6 ]0 ~! Y! V+ |
- Find_Begin_Enemy:4 x: w6 v/ w6 F* a
- LDX #$00
; U s" u7 k% K* l( d1 a/ T - Find_Begin_Enemy_Check:- d: j+ d# n- T) R: H
- LDA Enemy_State,X
5 I8 H% x+ R! Q2 E F7 x6 K# ]8 [ Z2 W - BEQ Find_Begin_Enemy_Check_Continue u' T' t$ n( r7 m$ v6 G
- LDA Enemy_Blood,X# d; a, A6 z) u$ }: A
- BMI Find_Begin_Enemy_Check_Continue! f8 f3 c( w; X0 E3 F8 ~
- BNE Find_Begin_Enemy_End. U! k: @% J6 K1 N$ @' V
- + r7 r" `' g0 n* _0 L
- Find_Begin_Enemy_Check_Continue:
& }2 }7 m C# W0 M - INX- G0 ~1 Y4 G$ f
- CPX #$101 b. P/ q' u$ b% a7 a
- BCC Find_Begin_Enemy_Check5 i' t0 ]' S" d
- Find_Begin_Enemy_End:2 l" }8 ?2 }! @; J! w
- STX Enemy_Index_Begin( F1 r' j8 k1 S* o! R
- RTS8 \4 I6 O' ^) n1 Z& r: ?$ u" J
- 8 L8 T3 C8 W) K0 X# E
- ;查找最后一个敌人
( A6 U" A1 N0 i0 ~5 d- \* ] - Find_End_Enemy:( U' s) z# d! h6 G, o" Y1 Y
- LDX #$0F: Z" Z- M9 V0 J: C8 B
- Find_End_Enemy_Check:0 [. q" L; ?3 O% {# h& z9 n
- LDA Enemy_State,X& v9 D4 a, V8 U1 v
- BEQ Find_End_Enemy_Check_Continue
; s- _1 Z% D/ z y+ x. } - LDA Enemy_Blood,X
/ F- Y; H: h& B. I9 T - BMI Find_End_Enemy_Check_Continue: Y8 ^. c8 ]9 k$ @$ t- |3 x
- BNE Find_End_Enemy_End
# k4 [& I# @! g - / H. N6 n' b" P6 \6 S4 E
- Find_End_Enemy_Check_Continue:
/ Z) j7 e2 f+ k4 j - DEX
5 X! f# o% M) {' z6 B& M( O) L - BPL Find_End_Enemy_Check/ r2 y/ y7 C; T1 K
- Find_End_Enemy_End:
2 Z& \' {4 O8 L5 O' A - STX Enemy_Index_End
: n/ P/ h: F- u& e4 R, @ - RTS
9 `' B9 H. E: d) } - 9 O+ @5 Z& O2 E4 G# E& y, o
- ;子弹追踪
) h: @7 C y$ ]& t$ n - Bullet_Track:
J) l( E$ o& o' |3 A - LDA Enemy_Index_Begin `$ d- Z7 v, `4 i: h
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;2 e' T$ Z! b# [& f; U- U
- LDX #$00 1 P. w6 A3 J* t9 ~6 e
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)' C. T: A4 y; c% c1 j
- LDA Bullet_State,X
5 K% x$ ~$ ]1 ]" T) ~/ p# s - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;7 T% z6 C( u; U1 i t8 j' n
- STX Loop_Index_I
9 n9 X' Y: @' w! S3 y - % j$ I: B8 k' |/ `7 C7 C5 M
- JSR Bullet_Track_Enemy
0 G' h# i9 _9 j6 r& {3 V - JSR Bullet_Tract_Direction
( m! S5 p0 t. E# ? - 2 B* K" e' j4 a/ w4 _& g, d9 U% C
- ;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
1 i1 ?( j! B0 n6 F; \# f7 J+ a - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
; Y" ?. l: {1 B7 G/ X4 K - LDA nEnemyIndex
3 ~5 i5 _, R& Z; a4 ~" V# } - CMP Enemy_Index_End
7 W' R8 ]) V# `: y/ j - BEQ Bullet_Track_Check_Continue) g0 N- a, @7 {' S0 q+ {
- BCC Bullet_Track_Check_Continue4 A2 N0 g% O6 x4 |' S D3 Z
- LDA Enemy_Index_Begin
' T- T& T7 A# g l - STA nEnemyIndex
4 V) l7 k, _" k4 t- I -
& ~' U* i% X6 _ L& D - Bullet_Track_Check_Continue:
! O; w) ?6 F) d, | - LDX Loop_Index_I
. B& ]: H# B! K* K5 t. @$ [( z - Bullet_Track_Check_End: o) B y/ }: Q. z( q( J/ R
- INX
/ B" o& L! Q5 p) @: \* ^ - CPX #$10
9 T) M. x& f* G, S9 c - BCC Bullet_Track_Check2 z- j* Q, ^. L6 T0 s9 |
- Bullet_Track_End:
k1 n1 g. T3 O1 }3 f- q) k7 v+ f% b& e - RTS
5 K8 p: [0 V1 l* u -
- Z" L$ i, Q; ~ - ;给敌人分配子弹
- x' _ Z7 D2 B2 |) K& } - Bullet_Track_Enemy:! z. p) Q) t6 q0 f
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
# Z+ X: S- C" K% @2 X, C% Z - Bullet_Track_Enemy_Check:
' t- C1 ?' L/ [' c+ ~: _8 @! Z+ b - STX Loop_Index_J4 f2 ~ o( P% Z6 B7 J3 B
-
9 u' A* N2 c5 t - ;if (0 != nEnemy[j] && -1 == nTrack[i])
4 ^- t# |9 x1 c( h7 z- c. X2 ` - LDA Enemy_State,X
; q0 F6 r, z5 R3 E8 W# J4 i - BEQ Bullet_Track_Enemy_Check_Continue" L q0 Y/ _1 R5 b6 Y! r
- LDA Enemy_Blood,X
! c' K3 |9 w0 ^# b. N, s) w/ t: T - BMI Bullet_Track_Enemy_Check_Continue6 \2 M: w# _0 z
-
8 t4 W0 q# p, v$ J/ D% Q# [ - LDX Loop_Index_I" O- B6 n3 h Z: w" }& e8 `
- LDA Track_Enemy_Index,X" O9 W/ M' ]- X9 H/ _
- CMP #$FF* r8 m0 G( \0 T1 I& p$ W( V" W' d4 j
- BEQ Bullet_Track_Enemy_Init: b% c$ g. U4 M+ k* J
- - W6 U: B0 K0 o# N! n7 V
- Bullet_Track_Enemy_Init:
9 _$ D$ H: Z3 a* r* w B: @ S& v - LDA Loop_Index_J* J7 p9 A! K0 u- F
- STA Track_Enemy_Index,X ;nTrack[i] = j;. [: k9 \7 {; d* y
-
' g ^ ?9 C* u) ]* \0 P$ Y - STA nEnemyIndex6 L# S% ?# m' p, m7 B/ m
- INC nEnemyIndex ;nEnemyIndex = j + 1;8 s& \; t. t4 Y
- RTS ;break;
4 r! v! R2 s5 y6 c, G. R - - [) N9 l u1 U9 u$ ^; b
- Bullet_Track_Enemy_Check_Continue:1 I* R) p6 T9 f. B% q6 a
- LDX Loop_Index_J% L) F) [4 R' J6 g5 k4 x. t
- INX ;j++# q2 c+ \+ g# [7 g4 B
- CPX Enemy_Index_End
- _9 v' M0 h+ R$ b - BEQ Bullet_Track_Enemy_Check9 v7 `% n4 I! j3 s/ ?+ N0 B
- BCC Bullet_Track_Enemy_Check5 Y3 j6 K' j, G2 x6 ~! I( `7 w( t
- Bullet_Track_Enemy_End:
4 B- }) j8 A5 u- c" j* t3 t - RTS
g7 k _3 ?- X: X; s - 9 D6 \# V9 n; [0 T$ k" Q- z
- Track_Enemy:
+ K" @2 w3 S! V: h& E0 j5 w - LDX #$0F/ N4 v6 D7 A6 S1 B" V$ c' `
- Track_Enemy_Begin:, U5 M% ~3 v ^ Z
- LDA Bullet_Icon,X, G, t" P# {; ?, f7 L8 @8 U& C
- BEQ Track_Enemy_Continue' [) `! L T1 i. B
- LDA Bullet_State,X
( M) @) g: Q+ D - CMP #$01& z( V: {/ K3 P! X
- BNE Track_Enemy_Continue
" a6 T1 N, a" z' W& \% L -
6 J$ d' e, N, @7 v3 i" f' ] - JSR Track_Enemy_Process. J. W+ m" s4 ]
- ) G6 W. U- ~; ^, z O& y) {% w7 g
- Track_Enemy_Continue:
8 g& q: m( I- u9 }) z$ O - DEX
9 F @' f) V2 L% K. c - BPL Track_Enemy_Begin! h: y" r* R' H5 o) }6 W
- RTS8 e6 |( R0 m* z, B/ T+ E* Q
- ) U3 F# X; B$ ]" g Z9 a
- ;普通关卡- L' T- ~/ P" o/ o* C" f7 s5 t
- Track_Enemy_Process:1 A1 A0 _; I9 K2 U
- LDA Track_Enemy_Index,X
2 S8 R8 A; j! J u - CMP Enemy_Index/ P0 c4 V5 f: F0 C* u ~$ h
- BNE Track_Enemy_End
) A* ?4 H7 [& K - LDY Enemy_Index- u; W; R9 d4 G) w" s/ e& t
- JSR Track_Enemy_Y
- Q9 M% q9 c! R! n$ P" W - LDY Enemy_Index
3 Q' {7 ?- F8 c- s) M - JSR Track_Enemy_X) y8 a. J) f( r2 L. R
- Track_Enemy_End:/ A8 v. N/ h( B. w& \" b0 s
- RTS
0 U( {' }- a4 |9 O3 I - ' T R) L+ j2 G: [9 e. g
- Track_Enemy_Y:
9 Z% ]/ \, t0 x" h# G* r- n# l - SEC2 U. g* r2 p; `1 g9 Y
- LDA Bullet_Y_Pos,X
; D2 ^ d+ V+ y: U - SBC Enemy_Y_Pos,Y
V9 g! ~6 @ q. J - BEQ Track_Enemy_Y_Equal! v1 h1 q+ c* A/ v$ _7 a
- BCS Track_Enemy_Y_Greater ^3 s* J5 K/ `
-
3 T; i' z. R" V7 z6 }9 x - Track_Enemy_Y_Less: ;子弹Y < 敌人Y9 W* v( C6 Y% V$ C8 e9 s+ Y
- CMP #$FC7 {' ^+ V. P0 j5 H3 {' Y5 f
- BCC L1_1
/ P7 w$ |! V! E1 S3 s2 T - CMP #$FE
! Q9 v9 t( c( R" }5 P; }: j - BCC L1_2- O7 E! I$ E, \# H3 K; t
- LDA #$00
3 e9 \' M! {# |( U6 P# q: f - STA Bullet_Y_Speed,X
4 y6 v. ?$ g1 h5 e. o - RTS# h. V6 r8 R) G
- L1_1: % t y# Y8 C8 ~; H: n- l: Z1 Q
- LDA Bullet_Type,X
. g, T. J5 W! W$ t0 O5 R c( }" t - AND #$0F
/ L$ Y9 \$ T; W8 N% Z+ W% k - TAY u: M6 A; u1 k# M) n
- LDA Bullet_Speed_Data,Y
6 g/ @) }1 M: S% l$ s- n; e - STA Bullet_Y_Speed,X. {+ {4 B" _. Q) ]4 X* {
- RTS& k/ P& I3 i9 R
- " d. n4 g# b& U3 `$ B
- L1_2: 7 _) p( M! K- R# F8 o) F# v
- STA Data_buffer7 k5 k5 A4 o! Z- J
- LDA #$00" i- I' N; Y- e+ O$ G# A
- STA Data_buffer# K+ r% e+ R, t. B ^# e% J* C
- LSR
* \& v0 x3 F7 z% J; B- w; | - STA Bullet_Y_Speed,X# h9 q! e5 u3 i6 Q
- RTS
( C y' F0 ]" L) u" `) R" ~' [3 D. H
) i0 j9 _7 d- g8 Q, ?* D- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y0 E8 p4 n1 [+ S0 u" K9 K3 e" L
- CMP #$04/ G+ B' u: r: F" Y- U7 `
- BCS L2_18 d, {7 g' T' ]) N5 I) q, Y4 ~
- CMP #$042 c" v3 c5 y+ H) {/ z
- BCS L2_24 \0 [' K! i% G/ j: x- p
- LDA #$00
8 e: u3 [" O3 F. u& c I - STA Bullet_Y_Speed,X. u& y2 h6 c) { F+ E# C/ v, g
- RTS
5 O" P" l3 Q; L -
, d, Y, l V$ C' U$ h" j* n9 e - L2_1:" W5 i7 V3 C; J
- LDA Bullet_Type,X( _( h# o+ m; ?: f1 M
- AND #$0F! B. R6 y# T. E" A3 ]. S- _
- TAY( I3 G8 C u; w: S
- LDA #$009 b! @$ d0 |9 O' L" E4 w. m( H
- SBC Bullet_Speed_Data,Y8 q+ N! Z# h+ b, M! I6 e' n
- STA Bullet_Y_Speed,X* P) n7 w! M0 R+ O a1 b* q
- RTS
' `/ `& ~+ ]! {9 J' h - * \( a/ E2 [; }, l% o
- L2_2:
3 _. u+ ]/ h+ U- |8 d" m: e% H - LSR, ^* v1 D- Z, Y
- STA Data_buffer
7 ^: n) F$ t$ a - LDA #$00
3 b- e% Y4 f t% w3 X: E* z - SBC Data_buffer
4 e" g; \' x: o: D" r/ H - STA Bullet_Y_Speed,X4 i1 z# a4 V% Q! b2 s. |
- RTS
k) |, z+ D8 o' r3 Y) z - 1 A6 U5 j- s" Z& s f/ v4 q q8 _& p
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
, ?+ M9 y4 e6 P2 T/ Y/ @+ s4 k - LDA #$00/ U6 u( d& V+ A' Q& r- E
- STA Bullet_Y_Speed,X
# t+ a* K) M% s* x0 r - RTS! F' m, R4 k' `) @5 d G; k
-
2 k; j7 O/ ~/ ]! z( Q - Track_Enemy_X:# C9 U$ ~- _1 \1 l5 F! p
- SEC
' C, S' }' j% N5 D" p" q6 j6 d - LDA Bullet_X_Pos,X$ }' P# {4 d7 W- s9 E" v% ~
- SBC Enemy_X_Pos,Y
4 |1 ?- B; D7 T% M. l - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X- V$ E1 Z& t* J8 @$ c9 K
- BCS Track_Enemy_X_Greater ;子弹在敌人下方& ]( i+ e) R/ j! X; m! R+ h
- - Z4 W8 i6 k1 v9 z
- Track_Enemy_X_Less: ;子弹X < 敌人X
# J) u7 [6 E/ h - CMP #$FC1 d# w" k6 D/ v7 y
- BCC L3_1; E$ ?8 H1 a9 j5 u" m7 ?9 s
- CMP #$FE
. ?9 J A6 _9 G' P% S; p - BCC L3_2
. ?$ U# c; R3 @) M0 k - LDA #$00( f7 R8 A! Y( H* E$ w
- STA Bullet_X_Speed,X0 E) h' {1 C( X
- RTS
, L9 @- D# |1 z( [ - L3_1:
6 r7 P1 c8 }: X+ n+ l4 l - LDA Bullet_Type,X' z% [5 e: e! b
- AND #$0F4 {$ D; R4 I! ^2 d, R; C, L
- TAY
; s }! n- [1 a9 m& O6 N. f) c - LDA Bullet_Speed_Data,Y8 p! W# d9 n5 ]: K) x* l" [% x
- STA Bullet_X_Speed,X' j; I; d! Z% Z: m* G
- RTS$ g6 Q& p8 b+ ^" P
- L3_2: . k/ D2 \* k& v6 P3 g
- STA Data_buffer n4 M" p" j+ n4 k
- LDA #$00" Q V T% n% |- Y5 ?, E' ~
- STA Data_buffer6 v$ Z8 X/ b7 Z% O3 ~7 k
- LSR5 r! r0 O, j a! D
- STA Bullet_X_Speed,X
& G( f8 V" }9 k' a) J, T - RTS9 g0 {+ w+ C) C+ w8 Z; S' n* r
-
y% w( E3 P( U - Track_Enemy_X_Greater: ;子弹X > 敌人X
! U* q K( C& M% Z* Q - CMP #$04
( ^, M2 E. e* j8 D. T3 t - BCS L4_1
$ X0 `* u- E1 T$ e+ n/ \ - CMP #$02: N" U6 c" D+ N! p" t/ W! w B+ R
- BCS L4_2
0 N1 N0 D! D+ ]% b - LDA #$00( @& b1 ^* |4 b
- STA Bullet_X_Speed,X# `, D$ o1 B' E
- RTS
V# n0 n$ Z% M" L -
5 A' h( x" T. G4 `. J - L4_1:
1 c8 `3 x$ _: h2 ` - LDA Bullet_Type,X8 p% G8 o9 D N7 t2 [) |* t6 M6 [/ V
- AND #$0F
5 G ?6 b, M* D, U6 m/ u - TAY
; K% ?5 E) d4 I: h& _ - LDA #$00
1 k- n0 z) K% t( ` - SBC Bullet_Speed_Data,Y
* x9 b7 ]- I8 L1 Z' e - STA Bullet_X_Speed,X$ B; v$ a1 k# X7 i" T5 i2 _, S3 g
- RTS+ o& N& J: R( T
- L4_2: ; i4 g# X; j6 _& b' Z' H
- LSR* c$ t5 X" q, D& }' Y$ E8 ?
- STA Data_buffer: [* {8 }8 R- W7 D! S
- LDA #$00
6 G" p) x5 @( V* l# ~9 t" t& E; Z - SBC Data_buffer3 y4 s- g+ U8 q% d
- STA Bullet_X_Speed,X C( a3 v% L& y! e& d
- RTS( ~2 B4 o8 x+ q. ^3 \- d
-
, m3 ~! c, W! Y- S% ^2 q& \$ o - Track_Enemy_X_Equal: ;子弹X == 敌人X
# W; _/ B3 L N9 Q$ k/ w - LDA #$002 y* P: R8 |9 q
- STA Bullet_X_Speed,X
- f0 g1 y& F3 @/ _+ G! S - RTS% b, y% C- U1 o. z+ B
- ! @% l9 |3 V' S4 z
- Bullet_Speed_Data:6 Z( T9 o3 A9 C* ]) Q$ q/ v
- .DB $00,$03,$03,$02,$03,$03
0 u5 d) a6 X! K5 P5 w -
) C a5 B4 W) O# Q+ t - ;2, 4关$ b( A' F" z+ X4 H/ }" |9 z9 P
- Track_Enemy_Ex:# |3 E3 R& ^0 L5 F0 }
- LDX #$0F
7 V/ k Z5 `( Q$ Q7 b& v3 s - Track_Enemy_Ex_Begin:
2 n6 Y, N) ?( E- `3 n' j
|% E* r2 c2 m- LDA Bullet_State,X
( F+ K. Z; H7 h' f5 ~, k$ H - CMP #$01
6 ?0 e: g9 b5 @& @- F - BNE Track_Enemy_Ex_Continue
9 V5 T, c2 `* M0 W* [9 O$ z7 `4 u - . E& x C7 p7 l" u u5 a0 w1 ^
- LDA Track_Enemy_Index,X
8 ]( Z7 Q, V% r2 _( s. j - CMP Enemy_Index
5 v, P! v! r$ X, S - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
: W* g3 @# E7 ]0 N- x$ P' x - 7 K; X+ b2 l, L7 L8 g/ e
- LDY Enemy_Index
! L% K3 j# t( G& z3 F - JSR Track_Enemy_Ex_X; S# B9 f2 N# j% k/ r0 f" F
-
- _" A9 j g5 {) l% o - Track_Enemy_Ex_Continue:/ Z) r1 A- ^8 V; z! } a' Z) Z+ b2 Z
- DEX
+ l {* [2 L7 [7 f' B9 ^* U - BPL Track_Enemy_Ex_Begin
" z) \) o4 x" k) C - Track_Enemy_Ex_End:
0 `2 f0 a# K6 ~2 O - RTS0 I, n8 |6 r/ g9 D+ U2 n$ j; b
-
- o3 C8 Z: F, \( O! |% u - Track_Enemy_Ex_X:
# S& |7 ^" P! @5 E - ;LDA Bullet_Z_Pos,X( u: h7 t3 n1 J: Y1 ~
- ;CMP #$04
/ V9 S' z6 y! x" j1 C+ R& m S - ;BCC Track_Enemy_Ex_X_End+ E, u: N. y1 a6 n
- SEC
/ T) q9 [4 e; ~( S$ a! M+ i2 }, X - LDA Bullet_X_Pos,X" s% N: l6 H3 D, O) D7 V
- SBC Enemy_X_Pos,Y3 p' m# s9 h8 p8 G2 \
- BCS Track_Enemy_Ex_X_Greater% e' P( r+ |( C5 E1 a
-
, e: c* j5 C/ r - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
) G, Z0 z5 n, _9 M8 M1 v - CMP #$FD
; A& L5 F. m9 Q - BCS Track_Enemy_Ex_X_Less_End( _7 k6 W" _3 h; j: U: Y
- LDA $6020,X
9 {( ]) j2 H6 w0 `1 I& A - CMP #$2A& h) _: X& O7 ?1 ?3 _
- BEQ Track_Enemy_Ex_X_Less_L1
, x( k) k# q- K1 ~4 B% w# l - LDA Bullet_Z_Pos,X: Q9 J4 I0 A" j
- LSR: C8 \2 d& t& N6 w
- TAY" h; k1 Q0 h3 G
- LDA Bullet_Speed_Data_Ex_R,Y+ T6 _3 Z: v7 s3 g4 d
- STA Bullet_X_Speed,X
) G @1 y" p7 L - RTS
$ \* [ C7 M' i$ } - Track_Enemy_Ex_X_Less_L1:
, q: V8 ? b) M6 l. V - m, Z) L9 S7 E% g- C
- LDA Bullet_Z_Pos,X
' T( ?, w: d9 U7 ` - LSR9 o! v _/ T$ u2 b
- LSR, z- p6 p U/ t) D# h" t. ]& {$ j; h7 I
- TAY: p9 V2 Q7 S" a+ u# @$ M' L2 @
- LDA Bullet_Speed_Data_Ex,Y
$ e; t6 o$ K9 `( i2 v& ]7 z- m - STA Bullet_X_Speed,X
* c$ ]* J$ A% b - RTS* w. \4 C/ H2 s
- 9 H { H0 V# k9 D" r, @% s
- Track_Enemy_Ex_X_Less_End:: F7 K5 J$ j7 r3 [3 |7 y! e* m
- RTS
9 I* q w+ @- |9 q
" ~: V, ^. n: l8 Z, v4 X8 Y- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X2 D% F0 @! n& l7 r" U
- CMP #$03
" R/ \6 V: z, R0 b - BCC Track_Enemy_Ex_X_End
$ ~# O+ U) |: x) Y# n# G& i - LDA $6020,X
# \$ d6 m/ M# P! S1 C2 Y - CMP #$2A0 ?$ v4 z2 x" L. ]/ w
- BEQ Track_Enemy_Ex_X_Greater_L1
' T9 w' A& W, M6 `' u/ t. a% a6 l - LDA Bullet_Z_Pos,X
) B7 q T4 e! M7 q0 v - LSR, X# F; ]" ^( k% [$ u# Q: \
- TAY
- P) A9 T' f0 }1 T$ Z, x - LDA #$00: Q" U- f$ _; @4 N9 j
- SEC
# ~8 V" N# r: x - SBC Bullet_Speed_Data_Ex_R,Y: ^: R' w4 |2 i" U1 e: h4 x
- STA Bullet_X_Speed,X
9 J7 `7 W! @4 o; Q. ~9 {0 { - RTS. _4 J$ `" `( m m" ~
- ) i4 L3 F* J% ?5 f _! t; @! a
- Track_Enemy_Ex_X_Greater_L1
3 [* Y" D' O' I( E: L, a - LDA Bullet_Z_Pos,X- {% W0 H2 d* [& \
- LSR
, J$ j4 J% S3 M, C - LSR
0 {- G" O: y# p# \( z - TAY1 c* x K2 g* I# P( |6 n) d
- LDA #$00: B6 j$ y2 |( ]+ U- @
- SEC
8 [8 z4 H b9 @$ g, y A - SBC Bullet_Speed_Data_Ex,Y
4 [1 S! \' \% K) a+ _% C3 q" b a9 @ - STA Bullet_X_Speed,X2 e6 n$ b4 c, y, L2 }
- RTS
8 ]) h! U) S1 ~+ D - 7 d% ?( z. B8 k4 k9 c$ W+ M. u
- Track_Enemy_Ex_X_End:; z, p, Q; e% q
- RTS; v S0 w& h6 `& ?: P
- & A( t8 ?, o( ^. N3 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)- F6 O7 _& I5 L% r, w" a+ `( e
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上6 i' b: L- F- L! Q, [! Y; v5 V8 U
- Bullet_Tract_Direction:
, Y) h0 P1 R% W6 F- G - LDA Bullet_Icon,X) ~1 J0 ]' J% z! q. m8 ~
- CMP #$23+ ^0 W( j7 A+ c# o- p. J' n9 m
- BCC Bullet_Tract_Direction_End
1 u6 m6 Q3 v8 h& T -
! `5 z9 c# i6 \: z0 ~4 G' j( L - ; X != 0
7 ^" s' e+ V7 Q# G! R) x - LDA Bullet_X_Speed,X
( M/ }# p0 a& A% s( G - BEQ Bullet_Direction_V
5 g# Y4 q' y( E+ h$ J -
. B1 L' W) P. v7 {+ b N% c7 Q. } - LDA Bullet_Y_Speed,X
; S; i4 K% J/ H8 @4 i' x - BEQ Bullet_Direction_H
$ Z; D9 h0 G+ V; z$ F -
! x* P1 ^9 x) M: Q ~ - LDA Bullet_X_Speed,X
, F* k- c! J/ k8 R% v0 J - BPL Bullet_Tract_Direction_Right
. ?8 e* R: Q! K" [0 E) u7 L/ @2 ? - Bullet_Tract_Direction_Left:
+ U! W0 p+ P; z. ]4 j( k - LDA Bullet_Y_Speed,X( L/ U: h: d3 X9 e# L
- BMI Bullet_Direction_Left_Top5 K( v2 P* q4 e& D
- BPL Bullet_Direction_Left_Down
' v( }5 n7 l& z2 @ @0 _5 y - Bullet_Tract_Direction_Right:
4 w) z* z; x/ ^* F+ i$ k: F - LDA Bullet_Y_Speed,X
" Q6 v) Y( x; \8 J* |* _+ L/ k - BMI Bullet_Direction_Right_Top1 ?7 Z$ F$ p1 r5 ~; Y d @4 w
- BPL Bullet_Direction_Right_Down2 g) d; z* @) t$ t2 j: d
- Bullet_Tract_Direction_End:
: y9 A& b' j, }8 S7 | - RTS8 I2 u0 @) u- L3 p' y; V
- % D8 }8 P) K6 ~. O9 K+ M
- Bullet_Direction_Left_Top:
' t2 v6 A! A1 B- l/ M - LDA #$25
' Z# q1 X+ k. k, h3 z' \ - STA Bullet_Icon,X# }- r6 M) j4 p& N1 P9 ^
- LDA #$C0* ]! A0 u9 _( R7 {
- STA Bullet_Direction,X
* A2 Y {+ A' [+ S$ n - RTS% ~! {; @' w6 ~9 g! z! d
6 }+ ?8 U) E* m% L3 J+ `5 d( Q- Bullet_Direction_Left_Down:9 |3 x8 Q1 y0 f+ @! t
- LDA #$25
4 }5 ]) F5 D" @7 ]& ^9 U% l - STA Bullet_Icon,X
( K& d# ]" r& S) w7 c7 N) C; V" f - LDA #$40
: k, H y; X( f( m: l' \) n6 r - STA Bullet_Direction,X9 a6 p! x& }, q4 [
- RTS
( |* E' d6 g+ J5 L2 ^0 y( F Z3 C& B - 2 }% x8 W$ t+ J
- Bullet_Direction_Right_Top:4 y2 B* b: l- n" l
- LDA #$25
* W1 Z6 @) c& g! a - STA Bullet_Icon,X
4 x7 W0 W8 V( X9 z - LDA #$80) u; ^ s% B! ~" R
- STA Bullet_Direction,X
" z' A8 g9 K$ K8 T - RTS) N8 A9 o2 j0 G; X& d
- 4 i. d8 i( h) F; C Q7 ^7 o
- Bullet_Direction_Right_Down:. b: h, \" M! P. `4 M
- LDA #$250 Q! J4 \$ X" R
- STA Bullet_Icon,X
# J) W- }4 E$ X/ E4 h i, { - LDA #$00! }8 O+ W R( J( S, Y: Q( L! ?7 j) }
- STA Bullet_Direction,X0 k4 l: U4 J( ]1 C4 S
- RTS, W7 P: X; V/ ^
- 9 e2 t0 m: R! d$ S/ \. J9 y
- Bullet_Direction_H:
/ T$ H% ?' U2 S2 K1 |$ G - LDA #$24. k2 f( k% \( N, @4 [
- STA Bullet_Icon,X/ D( y2 N `. }" k* k
- LDA #$00
$ A* h2 y/ L1 U& x - STA Bullet_Direction,X
8 L, {, `3 J5 w) M% _, k. V$ S - RTS/ l* B+ c: ~$ L3 q4 N# V
0 |: M0 e* V, m5 J; n. {, O- Bullet_Direction_V:! ?8 h$ v4 _, d2 K( H3 [
- LDA #$23, s% e6 B! w! \ e% z
- STA Bullet_Icon,X0 e2 A% Q) s7 x2 |; ]. a
- LDA #$009 p# R+ n% s! O0 n! H; R+ M/ z
- STA Bullet_Direction,X
, n8 A: w3 j2 Q. L- g# J - RTS3 k2 M2 G i- Q6 R
N" l1 Y# ~9 _3 j* B- L) a- Bullet_Speed_Data_Ex:" ?* _0 g1 t g. S4 j5 F. L
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04& y% W6 c3 k3 x6 A6 ^" U
- 0 C% ^9 M! B. m. j4 x. }2 E% Z
- Bullet_Speed_Data_Ex_R:/ g- r0 |" s: B2 j2 x
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08% z/ L; g5 D% d0 q, \6 C' T! [2 |
-
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