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[FC][魂斗罗][J][追踪弹]" k2 D, d# x& K, h9 Y% Q- x! S) `
! y2 Q9 ^5 t( F* J1 r时间:2023.04.30
- C5 h b9 V4 t3 M作者:FlameCyclone6 t, T6 P5 l- r. j
内容: ^- ^! b! X+ N; j S8 r: P" w
1. 所有子弹追踪敌人2 L X! B+ z9 {- x0 f; e$ d
2. 选择键切换武器
. s( t& [8 D5 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) I$ w7 G- g) s7 e* z: `( Q
3 D4 C; A" a9 G+ F _
flamecyclone.ys168.com6 }9 I [( I7 x* d! r# l; H5 L
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁$ B2 z. |. S r
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
3 m* ?5 U/ a+ ~7 T9 G4 P - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)9 ]$ K6 _8 b& G9 e1 I3 B% ?2 p
# T. `2 F: t" _, E P" f, J* P- ;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) Z8 ~% U5 D. Y8 z8 \ q
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上/ |9 L# Y$ w c/ g3 n7 B0 t
- ' a5 Z! H$ V$ j. V1 O7 n' O
- Track_Enemy_Index = $6000# v& z1 \6 W( D( j! h& h& R6 _
- Enemy_Index_Begin = $6010
, x0 G E1 L, N5 J7 p - Enemy_Index_End = $60116 Y6 F7 M2 g8 P7 b' J- W/ S% |
- ) j8 Y, q' x9 c7 H& y8 \
- Loop_Index_I = $60128 @0 T& ?/ ]/ c2 E! i- K) P) R) T
- Loop_Index_J = $6013
9 m& R. R! S! h) I: E7 } - nEnemyIndex = $6014
" l' L$ s; {) k# d$ V, z) E9 v4 f - Data_buffer = $6015/ l0 O U: q" l- n1 w( Z
2 a. ]9 f) n$ }+ M- Bullet_Y_Pos = $03B8 ;子弹垂直坐标% r# U) C2 g" E: w0 @
- Bullet_X_Pos = $03C8 ;子弹水平坐标
& n8 j( Y* B l0 L - Bullet_Y_Speed = $03F8 ;子弹垂直速度
4 N) {/ b7 y5 E$ ` - Bullet_X_Speed = $0408 ;子弹水平速度
2 Z& ~4 O9 y6 H+ b0 _ - Bullet_Z_Pos = $0418 ;子弹Z坐标& S) J! g+ _) o* ]% I
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P0 F8 N! o% n1 F) w$ h
- & n( b5 X- j. G0 M
- 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
* R; c; r9 _+ O' O& h - Enemy_Blood = $0598 ;敌人血量* e2 s" T0 H T/ W
- Enemy_Type_Addr = $0528 ;敌人类型9 {! m$ Z) _7 ^% L) a
- Enemy_Blood_Addr = $0578 ;敌人血量8 Y$ I. c1 R$ \! c
- Enemy_Y_Pos = $0324 ;敌人垂直坐标; R% g3 j" w5 ?! S( t l
- Enemy_X_Pos = $033E ;敌人水平坐标
& ?* x: c* a) p1 s ] - Enemy_Y_Speed = $04E8 ;敌人垂直速度
: Y1 R" `6 O( ], `2 ] - 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
( P3 v* M; u& ~5 R
5 W8 N: p/ ?# q0 [. }& y6 ~6 I- Enemy_Index = $83 ;% N! s# h6 t! X4 `
- Time_Count = $1A( ~" a8 M( m* ?2 E4 k1 q( ~
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率% S! `, W8 r: D: E/ j
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率( G! j' Z" u7 V" {' l% I5 q1 X
: X) z0 q5 U' ]" s
& u( c6 c* Z I/ o0 A# D( O- .ORG $6100' K* n0 }& s$ i$ @, P, }# d
- Process_Begin:$ z' h' y8 C7 [+ n; P
- JSR Enemy_Check
- }- O+ [, \2 j, ^. Y" w - JSR Track_Enemy_Check
# }8 J! \1 K4 m - Process_End:; A2 ]' Z: d4 x5 _- Q/ O3 ~
- JMP $E54F f2 O( E/ }8 K( |1 [
# K- ]4 V6 ~$ X: C3 K6 @% U" a4 j- Enemy_Check:
* H6 o5 u. Y$ N. W3 v1 ]$ f- y: N - LDA Time_Count
+ _( w7 L1 L. @$ d - AND #Track_Bullet_Speed
& l0 y7 K' c2 ~6 d% S. L4 l - CMP #Track_Bullet_Speed
( D }" n7 @. ~+ q - BNE Enemy_Check_End
5 \; ?: O0 F0 ?$ x8 V" | - LDX #$0F
# J* d* v7 @5 w/ r- c- _ - Enemy_Check_Begin:6 ~" K* Q: n$ n, D4 J- n4 ^3 v
- LDA Enemy_State,X
* N! H" x) A: F. U5 K( ?2 } W9 v - BEQ Enemy_Check_Continue
5 O5 c1 {' n7 l* c0 W. s - STX Enemy_Index7 l, I, U! Z$ H4 _2 ~8 v: [- w
- JSR Find_Begin_Enemy
; E( ~' D. M3 w% _ - JSR Find_End_Enemy
1 v/ J/ m, o( {2 q# ~/ |4 h - JSR Bullet_Track' f5 k1 S: v3 `; |7 }+ Z
- 8 ]" S7 n6 g" X2 J" Z1 g8 ?
- LDX Enemy_Index/ S! }/ d6 `7 F1 h
- Enemy_Check_Continue:; c% |! z' L7 X: o6 c* Q5 K3 B0 B
- DEX
* ?& q6 Z+ o# ]0 L9 U0 f - BPL Enemy_Check_Begin) v* |1 h/ K8 a6 W' d0 b! M& o6 T: s
- Enemy_Check_End:. \9 f5 t, P9 B3 H5 ?
- RTS
F! M! Y# L; l/ Q1 y+ Z( O -
/ \" k* ?: X8 v+ h$ [ - Track_Enemy_Check:1 n4 ^ S; y, ]3 V4 X0 c7 R4 L
- LDA Time_Count
# w, Q8 R4 \# R/ K. j4 v0 w2 H4 v - AND #Track_Enemy_Speed& w2 P% `9 l/ p5 s- y `0 [, S* v% z
- CMP #Track_Enemy_Speed# p* h2 `5 U% `( q6 g2 _7 _
- BNE Track_Enemy_Check_End, K, R" ^% ~/ D/ }2 W
- LDX #$0F
: F! t" C2 T/ c+ ^, m - Track_Enemy_Check_Begin:
( |5 h* ^- q/ |* j# A Z1 s" t - LDA Enemy_State,X
( C- }# f9 s$ u9 Z - BEQ Track_Enemy_Check_Continue; Y8 E( Z" Y' P/ E/ c- O
- STX Enemy_Index" o8 J6 I4 q5 ~; F
- ( ^+ ^7 B9 Q _
- LDA $405 p. ]" v5 ^/ C/ Y" }
- LSR
' |. S6 {& s8 X, n - BCC Track_Enemy_Check_Begin_L1; O5 I' c; R" L! v( `
-
, N- Y3 o" z$ e4 l% U/ [# ]* j - JSR Track_Enemy_Ex ;2, 4
, J- t% u9 E1 a8 m' v - LDA #$00# M! B2 ^0 ~4 B2 B* q
- BEQ Track_Enemy_Check_Begin_L2 \1 M/ v4 k9 u
- 0 Y2 {6 J, e/ K* s9 X# m* b
- Track_Enemy_Check_Begin_L1:
1 p1 L7 o0 ?3 o -
. Q' x6 H# P& c+ k: f% e' p/ U+ r4 N - JSR Track_Enemy4 i: N" e/ b/ _+ p, X
2 t" m: K& P8 r- U' W' ~- Track_Enemy_Check_Begin_L2:
5 r' b$ b2 z0 g+ g/ i8 E$ ^ - 4 f- K; q5 z n1 ~' O8 Y
- LDX Enemy_Index
9 x2 r4 u- z+ Y' B" s$ Z - Track_Enemy_Check_Continue:
9 H6 K4 |% n: `+ H - DEX
. O, t) V( D$ D, H - BPL Track_Enemy_Check_Begin
+ U" v; |. B u+ s2 _8 s3 j - Track_Enemy_Check_End:- m* n& a& U4 c* T
- RTS+ l- d$ q/ i) V6 e4 V! q# T
- ! q( L; t$ L4 b. ^
; [0 Y7 v7 v7 H- c$ K) c- ;查找第一个敌人" X2 d5 @) k% u5 \2 L* U7 H
- Find_Begin_Enemy:* o c- e8 B: P
- LDX #$00/ c3 O; k; g* S4 m/ k
- Find_Begin_Enemy_Check:
$ w2 _* ~8 `8 S7 Q* u, e - LDA Enemy_State,X5 K; X7 i4 v; x. o7 F0 q0 H" Y
- BEQ Find_Begin_Enemy_Check_Continue
7 h* l( x& H: |3 c- V f; z0 t - LDA Enemy_Blood,X
' V4 a6 c: z7 K; b' l H( {/ F - BMI Find_Begin_Enemy_Check_Continue+ K- B* `' f- G7 p
- BNE Find_Begin_Enemy_End
, A5 c7 @( }0 J- j' q+ g - " R6 c4 E; I( v8 c
- Find_Begin_Enemy_Check_Continue:
# }5 ? e6 @" w* X- |6 ? - INX
# q5 B2 p. E8 p: ]' ?5 o) e - CPX #$10# j J: s, D( V5 q+ o
- BCC Find_Begin_Enemy_Check0 ]6 C a% c% [: ^# L
- Find_Begin_Enemy_End:) o+ U" B1 K2 J( p K
- STX Enemy_Index_Begin1 e( K) V5 K. F& B9 Z( u" d8 L
- RTS" j0 z L* H T$ s
0 @% I: R9 ?+ Y3 j/ L- ;查找最后一个敌人
& V0 U' n4 y/ L - Find_End_Enemy:
* K% T: C6 w+ P4 | - LDX #$0F
# D3 S) ?7 i' D$ s3 c7 e6 l - Find_End_Enemy_Check:
2 v' ^; m( k6 f P" n% ]- s6 n6 I - LDA Enemy_State,X; V! G" m" q$ d2 M$ ^5 [, p
- BEQ Find_End_Enemy_Check_Continue0 _9 F6 ~5 b- r" Y. H
- LDA Enemy_Blood,X
p9 j& [# N# O# T7 H - BMI Find_End_Enemy_Check_Continue
! x1 J. ^3 `# M1 w/ W9 L6 @2 R/ f - BNE Find_End_Enemy_End* S% Z" i' x( k0 h1 @$ V1 T8 o
-
7 B: X! Z9 u: K- p9 R% A+ a' p - Find_End_Enemy_Check_Continue:3 P. D3 ]3 N& L9 Z; _ s7 J9 B
- DEX
" [- l( y. f/ ~* I: x - BPL Find_End_Enemy_Check
l* D* J! L9 d9 l - Find_End_Enemy_End:
* i+ U2 [; g" d O- k - STX Enemy_Index_End7 f9 o/ [0 F0 h0 m. R
- RTS
/ S1 D+ Q: z+ ?, v" Q
. l: x# ~) N: x- ;子弹追踪 G% N. P$ G1 E
- Bullet_Track:
; {" Y( `! i! T' {+ _7 _ - LDA Enemy_Index_Begin
9 d. ], c& A' ?7 q. u9 P - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;' n% [, n' ~# K/ U# k% W
- LDX #$00 2 @* N3 F, b4 w% {
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)0 V `) _7 w K0 l
- LDA Bullet_State,X5 p4 t) Q* r* w
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;* A- {6 S5 C- ~* Y# V& n+ p3 X
- STX Loop_Index_I
5 M# ~* f6 F3 a1 o1 _1 r5 R- a - 0 V) }- ~: }$ L; C* Q
- JSR Bullet_Track_Enemy
0 o4 R5 D2 ~* ]/ }( i - JSR Bullet_Tract_Direction
$ W+ I7 c3 Y$ N. t -
: B/ Q$ [' Q+ { - ;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
6 f, t) ]. k' R - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
# H+ Z6 U6 Z; P* c7 f - LDA nEnemyIndex% o3 S4 \& c5 w/ e
- CMP Enemy_Index_End
1 l1 u: x& S0 Y5 R - BEQ Bullet_Track_Check_Continue
2 L* s/ d% t9 T+ y( o# w0 f3 Y - BCC Bullet_Track_Check_Continue; r9 O0 J0 ^6 V+ N$ o
- LDA Enemy_Index_Begin8 ^. I0 A2 [0 m# m
- STA nEnemyIndex | ?2 j% Q& A/ v0 {! Z/ s
- 7 S: F' Y6 o; _; {) X2 f; w4 r' X
- Bullet_Track_Check_Continue:
0 b% k. l0 r9 K - LDX Loop_Index_I
! w5 d9 t8 \' Y0 B9 S - Bullet_Track_Check_End:) B+ b N6 X( |
- INX
! e5 h5 H7 d; i) q9 b' p5 @ - CPX #$10
0 o# \5 h% e9 k+ _7 t# e& {/ M) a& c - BCC Bullet_Track_Check) y1 Z) m! J5 {2 T. \9 m! l
- Bullet_Track_End:
- m s6 @% q4 j G1 _8 O: V- U - RTS9 E9 x/ @) Z) X) D, t
- 9 { O, S4 P: E0 ~+ |( z* k
- ;给敌人分配子弹0 e8 Q( ~# ]( Z/ y! y; j8 r1 F
- Bullet_Track_Enemy:0 i. |/ o/ G! R. K$ s
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)7 t6 r+ k. S* \ z' r6 m* E; P
- Bullet_Track_Enemy_Check:( v. ^* K- [0 ]" s: I* s2 j
- STX Loop_Index_J
4 K/ s. I2 G7 k, t1 H) F, _! d -
$ T0 G" A! p& G2 v; h; a( o - ;if (0 != nEnemy[j] && -1 == nTrack[i])
4 Q. I; S+ z% L6 u7 |8 N3 r; } - LDA Enemy_State,X; X0 [% Z. w) L* I$ X
- BEQ Bullet_Track_Enemy_Check_Continue
7 e! [4 @2 l% t! ] - LDA Enemy_Blood,X
" `7 L& J& P; o" X% I6 O" } - BMI Bullet_Track_Enemy_Check_Continue. e z0 U8 ?8 ~- l8 X
-
( x8 U& `& t' q8 [# h - LDX Loop_Index_I
5 q+ y; k) L, t* ]( [ - LDA Track_Enemy_Index,X
( z- |! s' l( R" O0 B. X - CMP #$FF5 p" N) R2 Q$ C# [2 \) j
- BEQ Bullet_Track_Enemy_Init3 ?% m: F; z# i0 v
- 4 @5 |9 }6 m# g6 y7 h9 t; J
- Bullet_Track_Enemy_Init:
. \* ]& B9 K# x' n7 s3 ~* J - LDA Loop_Index_J
& V; T1 s8 {4 @$ W6 E% s - STA Track_Enemy_Index,X ;nTrack[i] = j;& X% Y1 K+ q# l9 P
- ; t9 h4 ]9 Z% I+ ?3 i
- STA nEnemyIndex
& X, h0 M ?1 p+ [ D/ ^: f - INC nEnemyIndex ;nEnemyIndex = j + 1;: y+ r4 F& S, m8 ]/ t
- RTS ;break;1 v, J6 A1 d; p2 ~" i
; V& z* k6 B+ Z- Bullet_Track_Enemy_Check_Continue:7 c- Z& f& X) s! @2 T3 {
- LDX Loop_Index_J' W6 m* u, f% |8 r$ J! q; {! t
- INX ;j++
4 F0 u4 {7 K: Q. ~1 N$ c - CPX Enemy_Index_End- h- z; r/ B2 _* K6 i- Y% Y( b
- BEQ Bullet_Track_Enemy_Check
) N* t L; z; o, R0 k! s+ ] - BCC Bullet_Track_Enemy_Check9 |/ \% C. l1 ]
- Bullet_Track_Enemy_End:
, s% n+ n6 I, k- T' | - RTS( |0 K9 A+ |+ Q: f2 V
5 \9 p9 n: v$ [2 f3 s- Track_Enemy:0 F) c5 |) ?# Y1 |0 j5 _
- LDX #$0F3 k' b: H- \2 a- F/ N
- Track_Enemy_Begin:
% V1 B; A+ S$ p6 r K# @" f - LDA Bullet_Icon,X$ Y0 A' w8 r" |. Y' y$ y" h
- BEQ Track_Enemy_Continue0 `! f) M+ g' ~' k& X9 T& X
- LDA Bullet_State,X2 w4 Q0 n# [) i" w' u/ Q
- CMP #$01
4 U% _: ]; A' }2 x ]6 u - BNE Track_Enemy_Continue
0 B" m f$ \2 q$ o, x* q3 }5 [( i3 i0 n& n - 1 f+ m: t+ x$ h- U1 l. G, F2 c5 |4 N- w
- JSR Track_Enemy_Process
9 v. e* ]: y! e. j( N - + o! m; b6 Z1 E# H$ A5 W
- Track_Enemy_Continue:
- U- t* W: a- b7 n( p - DEX
4 E' s6 i1 N' h" _3 J5 P - BPL Track_Enemy_Begin, n( Y' _5 B# ^, K" J8 G0 Y8 \
- RTS% N! J. C& Q u# R
- , f) R# f, ]$ ]# M
- ;普通关卡7 j7 z! R: z1 H
- Track_Enemy_Process:6 ^* i1 z( D( p+ [9 \3 d5 u* p
- LDA Track_Enemy_Index,X
0 `2 k- R9 H# ?( v0 D r* `- I - CMP Enemy_Index! N' g& D/ {1 m; N
- BNE Track_Enemy_End# {7 Y% }& Y8 L! Y
- LDY Enemy_Index; L, W& C0 u- L0 |- N, r
- JSR Track_Enemy_Y L) g+ I* l' Q$ Z
- LDY Enemy_Index2 D: n4 }6 |3 R* R4 L+ ] j
- JSR Track_Enemy_X
) Q2 p( |; L8 v0 P; a2 \ - Track_Enemy_End:0 C$ E; M$ C$ g ~4 D! I
- RTS' B" e$ l: C+ ?
- : I; i' l i5 \: |/ F$ p% ^
- Track_Enemy_Y:# h* Y, @6 g3 g4 b0 h; V
- SEC0 G* N9 `1 c3 N4 T8 h
- LDA Bullet_Y_Pos,X7 I* x! d! V8 @+ k& [' L2 }
- SBC Enemy_Y_Pos,Y9 R( i' U k: c- M% ~% }! {0 m
- BEQ Track_Enemy_Y_Equal* ?# l4 i$ R5 i8 n8 s/ {+ v. a" e6 g
- BCS Track_Enemy_Y_Greater
/ k# C+ w4 [! K1 H - - W) W! v3 J- s( |+ t
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y$ _; K M1 g I1 n! f3 k. J
- CMP #$FC
5 X4 ~8 E0 R. H2 v - BCC L1_1# d% a+ [$ o( {& W, m. K/ O
- CMP #$FE5 B9 B! J7 o) @: K6 ~
- BCC L1_2) W, N5 P: f, U9 n; \. D/ ?
- LDA #$00
& P E' t- M, N6 V1 H& F - STA Bullet_Y_Speed,X
2 A$ _' ~. V: t3 C" ^) y- _; v - RTS" Z1 n' u; {- R6 h F$ G+ ?
- L1_1:
9 k( e9 d1 ^, V4 c' g) x - LDA Bullet_Type,X
2 }: e3 \, J4 D# g- f" H8 T - AND #$0F: \; v: Z F8 y/ ?' F, L
- TAY
! v, H3 ?7 @7 Q* n - LDA Bullet_Speed_Data,Y
2 `0 `8 t- ?7 _3 l8 g" j - STA Bullet_Y_Speed,X
' D: ^. F' i2 ^& b7 Z6 I2 C2 I - RTS
8 k: S5 v- F' B C
$ \! d( X3 y/ Z7 j# B- L1_2: - N" J9 ]1 ?: e: g0 H! \
- STA Data_buffer; c) L9 p7 w: c2 y1 W1 }# x3 \5 \
- LDA #$00" {0 F* I3 B' ]4 A; s
- STA Data_buffer
; B' N; f2 Z# a! m2 T - LSR
" m @; E; y) k' D- p& u* Y0 j - STA Bullet_Y_Speed,X. @. Z+ p% ~9 I: i. f2 |
- RTS
/ Z" N2 C" W2 P5 r" L+ @: q& |
J* n. G- U. V- [& A2 ]% V- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
u/ d! ^# [! [. ` A - CMP #$04
4 [3 T: l3 z# m* K8 D$ ]4 d - BCS L2_1 n4 w5 l1 }- G ?+ J4 E
- CMP #$04
' {0 t, ?% a( J/ \& k& F q @ - BCS L2_26 R# e1 e! u! R1 q2 m
- LDA #$00/ K& B4 D/ T1 C }
- STA Bullet_Y_Speed,X
6 k) ^# M, `/ P4 W3 c - RTS
1 A3 T% e1 h( U B" i - ! F! l* w3 ?. @( m# L9 x: [: @5 p4 T
- L2_1:( {+ s1 X# `5 J% U5 h! C
- LDA Bullet_Type,X
3 B, O m. I/ p# }" M9 ] - AND #$0F* z' P" ~4 I# g* G. P- z
- TAY
( W0 ^/ ?8 a: J! q$ h# D5 z - LDA #$00
0 w( G8 J7 ^# v: k) Z - SBC Bullet_Speed_Data,Y3 b: h% u# b% }! c ?, ^
- STA Bullet_Y_Speed,X
; G' `" N5 m; Z/ _7 g4 X0 l I - RTS$ u( {/ [) S2 g8 D; J4 }
-
: V |& m& _, v1 k# B- b - L2_2:) `8 _2 B( t: M& R4 j# B! D
- LSR/ `0 l5 ]- U) f' U+ u
- STA Data_buffer
& n' F4 n! ]2 J% e - LDA #$00# `* a: |9 n$ C: ?/ q
- SBC Data_buffer9 q0 ?# G2 a4 l
- STA Bullet_Y_Speed,X
9 O, Y3 {% Y* J4 P4 i: F% W - RTS
M3 j5 |6 T$ ~7 o+ O6 K- C. | - , N0 d, v4 I% }# P
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
4 W& p7 V' O8 b! ^* z% ]( D" G7 U" `! u - LDA #$00: V/ G7 a. f$ o7 }& x- x! G0 A
- STA Bullet_Y_Speed,X/ G4 ]7 k& B8 M) O1 X2 l' f
- RTS
; b5 G2 p8 ?- n - ' M j7 U* }* j H5 N
- Track_Enemy_X:
: \- m* y* W8 M. w - SEC" x8 m0 k4 C8 F3 _/ c% R
- LDA Bullet_X_Pos,X
+ O Y6 _6 H; h( V" W - SBC Enemy_X_Pos,Y6 `9 X- i' y% y' w
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
4 E% G$ `% \3 I* L( D2 H! v - BCS Track_Enemy_X_Greater ;子弹在敌人下方; @) `7 D9 Y) c7 ^
- 8 [1 o$ V* _+ b
- Track_Enemy_X_Less: ;子弹X < 敌人X
. m* b) e9 W$ r2 _3 D A( j - CMP #$FC
3 _1 z2 p9 d" @! l$ f - BCC L3_1
1 y7 t& |3 v8 U2 N - CMP #$FE, k+ i6 G4 a( o' X3 ` s
- BCC L3_2
6 |4 U% D9 M. c - LDA #$00
5 q4 f4 ]9 q" E5 q: m. u9 I' C - STA Bullet_X_Speed,X4 V( g' l- C9 J, {
- RTS
- K1 c- ^, d7 V% B - L3_1:
1 C: j* {4 C$ a% ?- K - LDA Bullet_Type,X
7 n2 o" J1 W7 y9 w# J* } - AND #$0F: K* p: n: G8 Z0 C& d) W+ a
- TAY
5 _1 k4 r* j, j! s) C7 ~5 n - LDA Bullet_Speed_Data,Y
! F+ l% p4 y1 E0 U+ N. |5 E - STA Bullet_X_Speed,X
. Q: Q1 s1 Y, B5 `; M0 k4 P - RTS' _/ H, \# N3 @: B* y, }( x
- L3_2: + z$ |( R/ e6 {& w2 u0 j
- STA Data_buffer4 M6 z) P4 [) x2 n! i% n" [
- LDA #$00
/ |; l/ h. l7 {5 o; i M - STA Data_buffer$ _9 _8 o/ y2 m' I) X" z
- LSR# G. n& [+ N- B! [+ k: T
- STA Bullet_X_Speed,X
6 y" E2 _0 \9 [8 R m3 G J2 ?" l - RTS6 X# p' Q# M! N" e1 \
- : m# Y, Y! G0 i/ c
- Track_Enemy_X_Greater: ;子弹X > 敌人X- }) Q# r# |+ C: K' D l
- CMP #$04
# @4 e d7 V9 S3 t* x5 U6 K - BCS L4_1
% U4 s% [+ `! r5 o7 b - CMP #$02
! Z, W0 v( C; |: b% X - BCS L4_2# i& J4 l5 H9 \9 Q& `: I5 x* K5 [
- LDA #$00+ r) f$ F3 T8 ]8 F7 h
- STA Bullet_X_Speed,X
% s4 x6 a9 `$ d; D1 y* q - RTS# E! T4 D/ z* U3 Y
-
8 ?. V" B [& p; {' N9 \ - L4_1: : p& t- M( p' q+ f1 Y3 D
- LDA Bullet_Type,X7 U5 M1 | z) q1 Q9 ^
- AND #$0F6 w. ^% g$ K) k) P [+ W0 w
- TAY: D0 V5 X" a# [8 f: t; i0 j6 H
- LDA #$00* Y1 f1 H% V% z: g! W$ @
- SBC Bullet_Speed_Data,Y
# \: l& G" A9 v9 r8 p* s - STA Bullet_X_Speed,X
" o: R. n1 V6 Y - RTS
& X1 ]# [1 L6 ~* w+ { - L4_2: . h" v' H' j0 s8 Z
- LSR9 \) I# j% t. Q6 N* m: b/ u( S
- STA Data_buffer
- K* n* Q" w2 N$ z - LDA #$00
: P& m. r- A0 h, L3 C# e - SBC Data_buffer, J7 S& H7 X; [: ~( N* p1 l* ^
- STA Bullet_X_Speed,X) v1 f. m; c- \9 V' i
- RTS2 l3 A. k/ ^2 {
-
, c3 \9 Q' n: V) ~' L - Track_Enemy_X_Equal: ;子弹X == 敌人X* m! h5 H' z8 Y0 v6 }- g6 k
- LDA #$00
" x) V: k2 ~1 q' u" f5 H8 J - STA Bullet_X_Speed,X
! m6 K3 t; e9 N W- @: K$ h) w1 m& V - RTS+ B1 T' I& k( E( s
- & s$ C5 |4 B2 O" V6 g L
- Bullet_Speed_Data:" ~2 D0 ]; z0 D6 s T
- .DB $00,$03,$03,$02,$03,$03
# Z* ^6 \$ Z8 }: m7 [. C: f7 h - 8 L' B- M: @3 e& l* U. s
- ;2, 4关, H# j m; U9 W3 b3 I
- Track_Enemy_Ex:
3 E! x# X: N/ y- x# y- J) h8 q - LDX #$0F6 h [: o! A" j
- Track_Enemy_Ex_Begin:! p) h( ~3 |* {% q% B6 @
4 Z Q8 h4 j* n# p' H* B6 e- O5 |- LDA Bullet_State,X
C- `. d6 x( `& r6 {' l- K - CMP #$01' q9 E. Y: f; U1 \
- BNE Track_Enemy_Ex_Continue
2 F, S; \: c0 R# Z -
9 k8 ?. o8 O) O# b8 ~& I - LDA Track_Enemy_Index,X
+ q. Q( `; y! K2 r, X) ^9 ~$ x - CMP Enemy_Index0 }6 S8 g- w t/ K; _
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
6 x" M! F% `, P/ H0 P& r -
' O+ f8 l. I1 y9 H, K, A6 W3 P - LDY Enemy_Index& o8 a, r. {9 U5 N7 C
- JSR Track_Enemy_Ex_X$ u( c2 V( w5 |+ u! R+ Y$ Y4 o; h6 r
- % I& H [4 U1 F$ {, G
- Track_Enemy_Ex_Continue:
. f {# P, H7 E" d, j - DEX/ _( P7 {8 U- I: [( f* U* l. O* u; b6 ^
- BPL Track_Enemy_Ex_Begin# z2 b3 {; b4 X& M x) f8 k4 o
- Track_Enemy_Ex_End:* |/ V- A$ Q& N0 m) a
- RTS% H' p& N; }8 x- `
- 3 O$ g5 _9 r- t8 d' ?3 E2 ]$ ?4 f
- Track_Enemy_Ex_X:
0 {8 j8 D6 h' f- j - ;LDA Bullet_Z_Pos,X
( d3 m! }+ H' {1 j+ ]2 p, q - ;CMP #$04# @* U/ j- w- D, e' @7 Y$ b
- ;BCC Track_Enemy_Ex_X_End
" }5 Y/ [5 x3 u: R8 K+ F - SEC
6 l/ |% J+ V9 l8 I - LDA Bullet_X_Pos,X
* E( l% ~ B* y& B2 W: w - SBC Enemy_X_Pos,Y
; X' e) v4 i" w' n( H2 a - BCS Track_Enemy_Ex_X_Greater
1 E, @6 ~0 j0 @+ v# ? - ! M1 ^' r5 B l4 ?! Z% @
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
b6 u }+ w3 |2 a( R* a$ o- ~" M - CMP #$FD
% N# A% r' |" `+ X% H/ b1 C0 h - BCS Track_Enemy_Ex_X_Less_End$ T9 o' S# w1 I
- LDA $6020,X
# h: J9 i1 y4 U6 m - CMP #$2A$ A" N% j9 z* ]- l) q
- BEQ Track_Enemy_Ex_X_Less_L1
4 R$ {. N, w" t - LDA Bullet_Z_Pos,X
$ F. ~2 f2 O+ X6 [* L. z- U: o - LSR5 g) M# M. R/ a) b' b4 g! x
- TAY( D3 C) j- \! S& e2 }
- LDA Bullet_Speed_Data_Ex_R,Y {6 v2 m/ Q/ }- u' `" A7 e
- STA Bullet_X_Speed,X& T6 m( F) w+ k( Y
- RTS
! R, _4 c0 z. T& ^ - Track_Enemy_Ex_X_Less_L1:4 t" w' Q: w) S. V% m. ^ k& F
- 1 }% E# E( E) j6 X! {% O u) A. u
- LDA Bullet_Z_Pos,X
* \1 ?$ I* o: d6 z7 S - LSR! e, _$ G0 s5 D! t+ z
- LSR
$ z* m$ ^; C7 k! {; ]) _! a - TAY
; T0 J: S% s# Y3 s. ^: E% E - LDA Bullet_Speed_Data_Ex,Y3 z$ R: h, G6 I! n% D/ T4 Y
- STA Bullet_X_Speed,X$ o) }; X3 P" f7 g
- RTS |4 j+ l7 q K! M& h& Z
-
) W4 R) F% l/ y8 b3 c/ T - Track_Enemy_Ex_X_Less_End:
1 @, w5 B/ d" O p% L+ ? - RTS3 m$ |7 i( u2 E8 `- ^) Y0 ]; y
- " ~9 t, f1 ]5 y& q+ w& _
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
$ D0 I/ f r3 R$ z/ Z - CMP #$03) s4 _2 E; A' @
- BCC Track_Enemy_Ex_X_End4 P, y3 D, B/ n9 {/ w7 W& u2 i
- LDA $6020,X
+ |) |: H7 Y7 c* P) c5 f - CMP #$2A* O9 p# d' L# w1 w: y/ ?$ [
- BEQ Track_Enemy_Ex_X_Greater_L1+ t8 p8 i# \* ~
- LDA Bullet_Z_Pos,X
* a* g V% ]5 t - LSR1 N" V; {0 ^$ @) o) k: ~
- TAY
. ^/ U1 t) T6 W/ [ - LDA #$008 Y6 L+ b+ x3 Y0 H! {" k! { P5 v
- SEC" N8 y) {. {+ F1 N4 K3 O
- SBC Bullet_Speed_Data_Ex_R,Y; J# K- I; h' `6 S* b- r
- STA Bullet_X_Speed,X: |( I( ^, y z% b# M* F5 U
- RTS
$ J7 U# i- U. J6 e0 G- J - - k9 v1 D7 z2 T% K: B
- Track_Enemy_Ex_X_Greater_L1( P8 J" W3 D1 ~4 k
- LDA Bullet_Z_Pos,X
& Y6 w# P) |0 P' G7 L5 r* r+ i - LSR
7 k9 {# g6 S: ? - LSR% r. X' d! y4 A8 i' Z1 F
- TAY
8 {: I4 K& ]9 ^1 b% B. Z. K - LDA #$007 C0 y+ x# f) p- L8 g! ~! j I& I
- SEC
- C% h6 w/ `% o$ x! t$ C6 H/ s - SBC Bullet_Speed_Data_Ex,Y6 `1 d/ k2 ^. A6 I
- STA Bullet_X_Speed,X6 a2 e; Q0 O! b. t/ {0 l
- RTS: G& \. _2 \: F2 _9 C
-
5 J8 a2 h# j! P7 F - Track_Enemy_Ex_X_End:
* N' G0 S4 j( e/ Y2 J - RTS; C) V/ ^$ N k: ?+ d) k
-
) ]& M$ B9 D4 ^; m7 h - ;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)
7 [4 u0 F2 t! P& Q - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
3 L! C1 R# A5 _6 i5 U - Bullet_Tract_Direction:/ C% u5 \* J# O9 L' A* a9 ~# O! j
- LDA Bullet_Icon,X3 l C F+ ~! q/ {9 ~) {; Z
- CMP #$23
9 c% f4 W" [9 U8 x: G" G - BCC Bullet_Tract_Direction_End
9 B0 |4 l: M: O, m - 9 |/ [9 i& C0 R4 C4 i2 U$ P
- ; X != 03 X% Z" j, M5 {$ H! v
- LDA Bullet_X_Speed,X
* n" H0 K% @% s3 w6 l - BEQ Bullet_Direction_V
% {4 b2 g( O- G -
3 [, J3 q( f% a - LDA Bullet_Y_Speed,X' x' Y) D/ E/ `+ \. u e4 p
- BEQ Bullet_Direction_H
; Q# w3 p: A: ? - 5 X- v, l+ c/ i- i/ u
- LDA Bullet_X_Speed,X8 \: n- {; b- Y( A) Q/ ~
- BPL Bullet_Tract_Direction_Right
4 r/ n" Z) f( F/ M - Bullet_Tract_Direction_Left: O9 }( a3 w( R( h+ c
- LDA Bullet_Y_Speed,X; Q8 S9 U+ c6 C) V- S6 {
- BMI Bullet_Direction_Left_Top
! f& S3 D) w% q* a, }( f M - BPL Bullet_Direction_Left_Down
9 `/ W) r) s; _# S5 V - Bullet_Tract_Direction_Right:2 m9 _# b% x! c4 _
- LDA Bullet_Y_Speed,X; x) q. r5 R. p
- BMI Bullet_Direction_Right_Top( Q: ?0 ~& W! ]( }
- BPL Bullet_Direction_Right_Down3 H# Q2 ]: q" b7 u
- Bullet_Tract_Direction_End:
+ d8 Q' g7 s+ p2 O* T* ?/ l$ u - RTS
) l1 x. n! J7 ~7 O
8 T5 ]" x \, E- Bullet_Direction_Left_Top:
# e9 g* w+ K+ n9 s* {" p, }3 Z - LDA #$252 c1 j1 v: @ B/ b$ C
- STA Bullet_Icon,X: B/ y. E. [- Q) s0 T
- LDA #$C0
7 o n3 ^! L' ?. l- f) D1 M2 I - STA Bullet_Direction,X( v. t5 Q0 u% b; W) W- W& M& Q0 ~
- RTS2 X3 W/ Y; ~7 b4 `
6 y0 @3 J+ ~9 n( x# z- Bullet_Direction_Left_Down:
; w9 [' [/ o4 C- L - LDA #$25' E' w, q# T9 y' `4 o
- STA Bullet_Icon,X2 d0 h( K* v; B7 F# P
- LDA #$40
; d" D1 V& e6 | z* Z! Y - STA Bullet_Direction,X
) t- k7 s9 U+ s/ z - RTS9 u2 S. \: x0 z% w5 Z& b% x, _
- 6 y/ y2 W0 V4 j: r8 H& `7 X- R) }
- Bullet_Direction_Right_Top:
& a8 Y- v' A! W/ {6 k - LDA #$255 x/ i8 ~( L9 U& C F
- STA Bullet_Icon,X
: u, a! j6 {# E0 o! \$ Q* V - LDA #$80" p( r" @$ l/ o- ^: b+ {
- STA Bullet_Direction,X
( N" I b! w, S4 J0 ^& j( u" M. P - RTS
/ @* d2 x3 J3 Y5 D" Y - ( o) a3 E& ?$ C- ?" c9 O' q
- Bullet_Direction_Right_Down:& ] w( w! e' W0 U0 g" F, Z
- LDA #$25) C% P) b% ?2 W4 w) p
- STA Bullet_Icon,X
3 M" @, ? {1 M3 t - LDA #$00$ m" N, q6 m0 Z d9 @2 {- j6 r$ B" _ _
- STA Bullet_Direction,X4 ^8 y6 l+ e+ C' ?% r) \+ E, y
- RTS
Z' A* |/ F2 e& u& [; k8 O - 0 A- [. X% h( H( ~$ p$ f
- Bullet_Direction_H:
) e( { q7 x, I1 Y1 w3 ], \. L! } _ - LDA #$24
' m5 D' ^6 c$ S* o% k& ] - STA Bullet_Icon,X/ \, b# j) j! M. C# s
- LDA #$006 K: y6 n3 V- w* e
- STA Bullet_Direction,X) T% g# B) u. K
- RTS
( J% T) D1 G" T8 H - 3 p' G* I, a+ N9 f7 n% i6 i6 _
- Bullet_Direction_V:
d$ a# T- `4 h7 ^( V - LDA #$23* i m8 s; E& R7 W# X( {
- STA Bullet_Icon,X
( p: o. ^8 W x- L - LDA #$00
% _- V q7 P, }" l - STA Bullet_Direction,X
' |* g. [9 p4 |4 Q f; r - RTS
4 ? A3 N( h0 h2 _, i* |) P
. S3 }) i: e3 R' \5 B @6 {0 Z1 F- Bullet_Speed_Data_Ex:$ z9 R: P/ \* {
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
8 e" O0 m- Z$ a- c+ k - 6 X2 e) E# Y. A: }
- Bullet_Speed_Data_Ex_R:
7 A; r- z' a/ d3 u - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08) Q; H3 W. c$ h8 J$ {7 ]( Y, w+ }
-
复制代码
) H# y/ G0 E2 h( _! O2 v n* k4 E* _" j, v" A' D& y, J+ @' g
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