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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.305 d4 J3 p/ |1 c8 @8 {2 W. @
作者:FlameCyclone
6 `* s; f3 U/ ~" @内容:- h6 z! I+ }+ g7 J6 r6 E3 ~
1. 所有子弹追踪敌人( O$ o' \- [2 q5 N* y
2. 选择键切换武器
8 p8 D# y" o+ \9 v. @: T/ n 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- w3 g5 o, z6 l) f9 }
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flamecyclone.ys168.com6 j/ q2 j' g: P4 _3 h2 a- L
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
4 t3 O" F" G2 b# x) ^ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L8 h2 j4 n. q1 e
- 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): Q7 _' ]; Q" }1 r* D
' d. W. o# _1 U8 C& _& D# 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)
& j5 y4 ~ U! ~' v - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
T% ?8 l4 |! g x X3 ~, c
8 B& B( G+ f [4 G. }- Track_Enemy_Index = $60003 M. Z* _$ M. [
- Enemy_Index_Begin = $6010( r8 W( j. L$ z) S* O+ K4 A
- Enemy_Index_End = $6011
$ W7 ^, A( X6 ~
$ X7 r" z0 h# W% s9 J: C- Loop_Index_I = $6012
: K8 ] j* X5 g ]; E - Loop_Index_J = $60138 q9 {; H- E1 c
- nEnemyIndex = $60147 a' a* [6 G( A; A+ O4 i. G
- Data_buffer = $6015
. D$ J! Z$ h8 f2 Z! _) t" W; I
% l4 w5 g+ O6 p$ p7 A/ Y e6 V- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
" T8 _; n/ ?& `8 m2 a - Bullet_X_Pos = $03C8 ;子弹水平坐标
$ p2 r( k% B1 U/ ~6 | - Bullet_Y_Speed = $03F8 ;子弹垂直速度& U C$ v7 y% z3 a+ N$ R, V7 |
- Bullet_X_Speed = $0408 ;子弹水平速度
+ r: d9 [& @- x, G - Bullet_Z_Pos = $0418 ;子弹Z坐标% B1 U( O5 A' A; V
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
8 b8 B5 X% u, E- {5 {( F; f - c+ d7 Z+ H( B! }
- 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! f( c! R' A( j5 B
- Enemy_Blood = $0598 ;敌人血量
: l# K' ^3 l N q" G - Enemy_Type_Addr = $0528 ;敌人类型
) \! ^: k1 C. c# e" d( a( U3 V! r6 b( V - Enemy_Blood_Addr = $0578 ;敌人血量) r; L& y5 V1 c) h7 S
- Enemy_Y_Pos = $0324 ;敌人垂直坐标: ~' K& H% g c" E% \1 o
- Enemy_X_Pos = $033E ;敌人水平坐标/ g$ y3 U, P2 p8 W* q) r8 W
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
& L5 k) Q7 H2 ` n& G - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
" p# W; G" {& u) b7 [; A - ) E# O7 e8 v4 L# V7 g. V$ @. S/ J6 O
- Enemy_Index = $83 ;, q+ b, x8 x& N# J: H$ ~
- Time_Count = $1A" l3 w6 e! N4 E# P: f6 m6 Z
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率3 z* t# s: J! k! I$ D2 `
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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0 J- ~. @7 R# y
7 X- W% [ A+ {7 X- .ORG $61009 x+ n4 {5 l! L# B6 b
- Process_Begin:& e# J! s. d- F" ?
- JSR Enemy_Check( U0 i: N8 T4 V8 @% ?$ O
- JSR Track_Enemy_Check
* l1 i8 g% e% k7 s3 I/ D - Process_End:0 I$ V2 D' G' h
- JMP $E54F
# a6 F' ?% w8 e
8 j: ~' J# s- q) n+ R- Z- Enemy_Check:
6 ?! W; q2 d0 [ - LDA Time_Count
W9 j! [* Y' g* N. {- A/ v# A - AND #Track_Bullet_Speed. Q/ J% Y* t4 S
- CMP #Track_Bullet_Speed8 ~/ C9 m4 w& i% N5 e$ t0 |
- BNE Enemy_Check_End
: w: m0 z; k6 O6 @ |, U - LDX #$0F9 C. P, I! b5 K1 K3 v3 L
- Enemy_Check_Begin:9 S3 Q8 F' m# C3 V: c( w: C9 e$ M
- LDA Enemy_State,X
2 q% q: E/ E5 f, d3 ]6 M, P - BEQ Enemy_Check_Continue& @& q* ^3 _4 t* x! E
- STX Enemy_Index
1 j+ G9 I* X/ W3 z1 ^ - JSR Find_Begin_Enemy( o( P8 A! p! J% K1 b2 t) ]% E
- JSR Find_End_Enemy
1 _8 u! p+ e1 Q5 d7 ^ - JSR Bullet_Track
. [* F+ z- }: ~( `% }1 [; e, x - 0 t8 r8 a3 `$ ~0 d+ \
- LDX Enemy_Index$ P0 N' N5 u* Z8 H2 b8 b8 c
- Enemy_Check_Continue:
8 t: k+ v# x/ m" h* y5 ^0 d c - DEX0 G- y; I7 C, w
- BPL Enemy_Check_Begin& ~: g2 q% U% x3 V* a6 J4 z3 _
- Enemy_Check_End:
! k* o! d% E% H, ^3 |5 Z8 { - RTS6 v5 r" S; z# h
- , t- l* j! B% n, ]
- Track_Enemy_Check:+ v- k& ~+ x! h3 Y1 J
- LDA Time_Count$ H5 v( L, O9 l' r% a! K- C& n
- AND #Track_Enemy_Speed
5 `8 y( G/ S* _5 s - CMP #Track_Enemy_Speed
' T! q$ R1 s' q9 p' ^* e6 l v - BNE Track_Enemy_Check_End
% O- w0 R& T, V ?- I - LDX #$0F) r+ s; Y# e( Z2 L
- Track_Enemy_Check_Begin:- @) b6 L4 i4 |! w1 M
- LDA Enemy_State,X7 f- p8 S5 T5 @! W5 @, k9 \
- BEQ Track_Enemy_Check_Continue
9 n- L7 `, K1 b6 d7 |% J - STX Enemy_Index) W" g3 `: z% R
-
/ I2 ]9 E. ~7 }% p7 P$ N - LDA $40
* \; \! B1 T; E& l% n - LSR6 P9 Z* H9 T, V
- BCC Track_Enemy_Check_Begin_L10 Z4 s- t* Q0 U: O0 Z
- ! Z2 B* Y: y; f: }. \: z
- JSR Track_Enemy_Ex ;2, 4
9 [7 n- \4 h' |. w. l - LDA #$00: B- b0 N# m5 i: V% D3 f0 Z
- BEQ Track_Enemy_Check_Begin_L2
5 v6 |* u0 Y: j - $ H- R6 i; u* d7 D+ b9 N9 @$ Y! r
- Track_Enemy_Check_Begin_L1:
! i, H7 _( s% x; W6 W -
5 @/ Q9 x8 T, c5 i+ p - JSR Track_Enemy
+ V7 r2 Z; d4 \ d1 |8 @9 q- i( v% B
& T6 { v/ ^6 ]2 G8 c* x7 E( j- Track_Enemy_Check_Begin_L2:
1 Q" s/ I0 }7 _$ I - 5 C/ @$ [' J) }, j5 v# \: _
- LDX Enemy_Index
! P/ l6 ~) g; s9 H2 \- r - Track_Enemy_Check_Continue:
) j6 H. j/ a2 Q' Z4 [9 V9 b - DEX
, e) p$ f& l4 P9 V. G" ^; R; y - BPL Track_Enemy_Check_Begin7 \4 s! B5 B6 u6 G8 _9 D5 Y
- Track_Enemy_Check_End:
8 i1 F" V4 g. X2 K+ {7 o4 x - RTS& i% W( y; D3 L1 [
# [, W* r3 Q) {" f2 i& Z
3 c" n" T" P3 S7 x: e7 F- ;查找第一个敌人
; o$ J, A2 R v! _7 i* ~$ p# @ - Find_Begin_Enemy:
" T) T, O6 r4 a - LDX #$00' {( I, G7 B0 a; D0 ~; Q9 Y
- Find_Begin_Enemy_Check:' v' Y. H4 n4 c, G' J" P2 D
- LDA Enemy_State,X
6 J. K& T, z! ` - BEQ Find_Begin_Enemy_Check_Continue
# P( g1 {& @" K* O' D6 f3 Z7 P& j - LDA Enemy_Blood,X9 a ~$ [. o4 M( V `: F
- BMI Find_Begin_Enemy_Check_Continue
! M5 O) w* n) Y( R! U ]0 a& U - BNE Find_Begin_Enemy_End
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6 I8 }+ j6 ~' s - Find_Begin_Enemy_Check_Continue:
8 u0 ~# @- s- D* f. [+ M4 J, L - INX& h, c- j3 I+ h$ j4 N$ Z
- CPX #$10# \6 v% Z/ \, ^: x8 V
- BCC Find_Begin_Enemy_Check
& K5 C' ~0 _: g' k' ]+ X - Find_Begin_Enemy_End:
: j. v; r, C& p5 p% a# d - STX Enemy_Index_Begin) W" u: g4 O8 A* D! J! e) m; w
- RTS! U6 d* v; P' d8 f' @) _& W
- 1 z( c/ x6 `9 a" m* e8 s8 z
- ;查找最后一个敌人
% N( p- g& |3 p2 @3 Y0 F - Find_End_Enemy:- d) m' w3 r) ~* U! C% [
- LDX #$0F# g9 x6 a- z7 ^6 j/ x
- Find_End_Enemy_Check:" }( t5 `' H3 g' N" H
- LDA Enemy_State,X# L- o6 L) x% o3 h! l+ k$ g
- BEQ Find_End_Enemy_Check_Continue& l9 z# |/ ?/ s0 L8 d; ~2 e
- LDA Enemy_Blood,X
% ?( F8 z/ l7 p1 {* u6 C* f5 T! p - BMI Find_End_Enemy_Check_Continue# T/ P( c) b) C2 A
- BNE Find_End_Enemy_End$ [1 X% I0 n; Q8 x/ u0 h# m
-
^1 e" n# ?, ~2 _) U - Find_End_Enemy_Check_Continue:2 w: W9 d2 z. g# d, h0 A3 H
- DEX
2 ]7 {9 y8 n. ~" h6 Z# v - BPL Find_End_Enemy_Check3 t* n8 N3 ~' j$ l B1 D
- Find_End_Enemy_End:" Y9 K, K$ g' a& d/ I; I
- STX Enemy_Index_End
4 x4 S k* s9 Y' W" t - RTS c2 K- C% ]& A8 n. k# \
- : v, f; k1 r+ E9 C- D4 H* }
- ;子弹追踪
; M8 d9 z7 B0 B+ t - Bullet_Track: W, P. v( K% o: P
- LDA Enemy_Index_Begin
0 U' L0 ?/ o [; h' d8 S& j( @' {+ a - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;0 h" ~- ?7 d5 P6 y7 q
- LDX #$00 4 J4 z o& H7 D, P; M% q. b
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
2 J" [6 U' k( T6 y9 e - LDA Bullet_State,X% o! q8 x8 B* r, u, Q
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;7 d8 i, i5 l9 K% I3 [
- STX Loop_Index_I
/ _+ D z7 C) y( j8 k -
4 @- v3 y2 b$ b1 f- R* R/ y* O+ A - JSR Bullet_Track_Enemy* Y6 D+ n6 R$ ~# W$ @3 M4 V9 k- j
- JSR Bullet_Tract_Direction% x4 }, X6 {4 o
-
3 [$ t( w5 l4 b - ;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8 |' ~7 I8 S# O- B
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
! r9 ]& Y4 |! Q0 s - LDA nEnemyIndex5 v5 i, T' e# e8 x: v7 R
- CMP Enemy_Index_End9 b ~, i. y) S; @% n$ t% ~
- BEQ Bullet_Track_Check_Continue
; u p6 h" v. d - BCC Bullet_Track_Check_Continue
$ l. L3 J. w. u2 o - LDA Enemy_Index_Begin; K/ d( {* @% B3 O2 E. w
- STA nEnemyIndex
: H6 A6 V/ [, k -
0 Z) o1 b+ e3 m - Bullet_Track_Check_Continue:
$ h" m4 v9 g5 @2 \ - LDX Loop_Index_I! u7 F) c" f. g2 A
- Bullet_Track_Check_End:4 i0 m& }; n4 m* X
- INX* {2 }" E* y, ]/ H/ j% _& X
- CPX #$10
' j" J8 j) `, ?8 b/ ? - BCC Bullet_Track_Check9 D% f+ r6 Y' I; e* G
- Bullet_Track_End:
& [) D0 [. V# p6 d! r4 o - RTS
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- ;给敌人分配子弹5 G& V* ~$ N9 L* m- }
- Bullet_Track_Enemy:
* x7 r6 b5 K5 E - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++): s& ?6 A7 \8 r+ J1 j& ?0 q. s
- Bullet_Track_Enemy_Check:
2 r, L( Z+ c' c. H; } - STX Loop_Index_J
9 f( j- p6 D0 l+ l. Q( R - : d" ~9 E8 m& {& H l
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
9 C, [6 S" c4 b4 Y3 s& P, ~ - LDA Enemy_State,X
# Y4 h, c! [1 B# r3 V5 r; \ - BEQ Bullet_Track_Enemy_Check_Continue
8 d) Y4 E, g! o - LDA Enemy_Blood,X+ t/ x; D# k. y% r* d: {
- BMI Bullet_Track_Enemy_Check_Continue
2 _3 s9 t" K6 H9 K! n) ]* p; ^ - & |) ?% d3 m% C2 T4 G6 O' D
- LDX Loop_Index_I7 U1 j- E0 \4 n0 u# {# Q2 ]+ a/ u
- LDA Track_Enemy_Index,X/ {1 z }3 D5 K( {; x
- CMP #$FF
# X$ E: T- c/ j& e6 k! l - BEQ Bullet_Track_Enemy_Init8 v; L/ V; X' t2 P; C8 Q% F$ Q3 q+ O
-
) B/ |- i( ^" p0 B# M- D1 \ - Bullet_Track_Enemy_Init:; V7 n& `1 {' x; S6 h* W6 h! V1 t
- LDA Loop_Index_J
* @0 K3 d8 Y) u# ?: T0 s L - STA Track_Enemy_Index,X ;nTrack[i] = j;/ p/ h `0 a. j0 n
-
' K! R( h5 p5 V, S9 C2 w - STA nEnemyIndex M8 B7 j7 c, g0 c1 ~- q: \' j4 W
- INC nEnemyIndex ;nEnemyIndex = j + 1;( d5 u; e. Z" ~0 J
- RTS ;break;. U2 a* y/ ?) L: j1 J7 Z
- 6 {8 \/ L1 ^! d _$ F
- Bullet_Track_Enemy_Check_Continue:
3 i3 z/ Q2 `, V5 j1 b+ e - LDX Loop_Index_J' N; o# j+ H3 Y. v4 C, b* c
- INX ;j++- @8 B) j' ]& p2 O5 ?
- CPX Enemy_Index_End
1 O7 w2 }: W9 f9 |5 o9 |+ L - BEQ Bullet_Track_Enemy_Check
% s/ a+ l4 W7 W6 r' R - BCC Bullet_Track_Enemy_Check, |- a6 Q1 e# Q4 z ~
- Bullet_Track_Enemy_End:0 v" L2 M, B1 v K
- RTS n5 I, V0 H& M% G* W6 z( l
- + A$ K. Y- f$ ?8 v% O
- Track_Enemy:
! g3 X4 P, h) ?" v - LDX #$0F
7 E, z/ I8 B) O# } - Track_Enemy_Begin:
; s& R. m* @) X0 ^5 i; c2 }( X - LDA Bullet_Icon,X
" v( ^* g; B+ e( V% K' E' ^' Q - BEQ Track_Enemy_Continue! X/ z$ S" V, U2 w! G
- LDA Bullet_State,X
5 D. Y7 |' w% ~5 |% ] - CMP #$012 S" H* Q& U$ c+ o ]
- BNE Track_Enemy_Continue
: n6 j2 x @7 }* @! B -
7 [0 C3 J1 Z/ O0 b9 F* G - JSR Track_Enemy_Process; @/ z4 `# F( B4 D( o
- j- C2 m0 G. f5 e4 q* J) p7 E5 T
- Track_Enemy_Continue:$ g; D/ j5 a4 R) Z+ H, m" c3 s
- DEX0 W% o1 B/ R+ m" R" _8 ~; R& x5 f
- BPL Track_Enemy_Begin
/ b4 L" H Q1 E6 Y, c R5 a - RTS; K3 t/ D- e0 W% r0 }0 N. m+ _; T
0 d2 b$ }1 g$ N9 N; ~- ;普通关卡; t/ e! o, l5 I/ M$ P5 V
- Track_Enemy_Process:
. T+ M: {- }1 h! s7 X - LDA Track_Enemy_Index,X* p' \+ ] @+ j+ a
- CMP Enemy_Index+ _ z3 {! a4 I) j# V; _, c
- BNE Track_Enemy_End
, U9 e) T" s2 j; s - LDY Enemy_Index
4 r; ? V, ^9 {# g9 X - JSR Track_Enemy_Y& v( o- L. S4 `
- LDY Enemy_Index& E& x. S- k: e8 [( g
- JSR Track_Enemy_X! c. I- L$ e( P3 h# |6 J. S; ~
- Track_Enemy_End:* U) ^2 T/ j9 s* N1 r
- RTS% @& @2 G t+ a
-
% T6 P* l( i6 Q* b7 I( ^, L4 G7 H - Track_Enemy_Y:
' Z3 S0 F0 `4 z. H7 y6 ^ i - SEC
) v! ~ @6 x# y, B! m( K1 ]" p - LDA Bullet_Y_Pos,X( x9 T8 ?6 p2 {) l1 C# k) c
- SBC Enemy_Y_Pos,Y, X9 g* m. ^: E r7 i
- BEQ Track_Enemy_Y_Equal$ N5 \+ t7 W6 x, h* b. x _; a1 n
- BCS Track_Enemy_Y_Greater
! r/ `3 m- Y% f4 |; d! x -
! f! n: E) Z% l3 a - Track_Enemy_Y_Less: ;子弹Y < 敌人Y$ g& x( H5 \# y4 O+ {& V- a( x- q
- CMP #$FC
. R0 |# r. i3 u. b* {7 x9 I - BCC L1_1
/ x e0 W2 q* Q: F - CMP #$FE
' E& I0 m8 y, o# r# C+ B - BCC L1_29 e! E- h% B; w
- LDA #$00
; ` ?8 j6 n2 I9 d6 y - STA Bullet_Y_Speed,X t2 l% D5 V' q2 I, S: D: E
- RTS
7 {1 L9 z- ?( o: ` - L1_1:
: x3 A! G8 ~0 p7 L( t2 y( N - LDA Bullet_Type,X3 L P9 z# c0 f" x2 s1 C* w5 f
- AND #$0F
: }0 J! n% V) p7 { b2 p - TAY( X f5 Q* k8 F6 J6 v& }% L4 d5 _
- LDA Bullet_Speed_Data,Y
5 V" M' g; h6 F5 M5 R. _- W$ a - STA Bullet_Y_Speed,X7 b* w/ X f- m1 `' ~2 \) A
- RTS. S2 I/ R+ ]7 W7 V# X
- + d/ Y# l" N( v$ c' }9 m, R
- L1_2: ; l! w( w4 E/ Q9 K; j4 X
- STA Data_buffer
2 @% S3 r. o( e; b3 G. i - LDA #$00
9 m) ~' N3 w; i9 u# K& d - STA Data_buffer
* L/ ?- p# f) q# x8 X$ ?9 N - LSR/ b. [9 q3 z& ]' K
- STA Bullet_Y_Speed,X3 |3 K+ _+ l! F9 N# s
- RTS+ m" N2 j( C0 R- ~; ^+ L6 {& B
- # L9 r$ C" F$ l) ]$ @
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
5 H. J; a `2 g3 l. {5 z - CMP #$04/ R$ a. m/ q) `: ^4 h# K) o
- BCS L2_1
; X9 {5 B' @8 g" i1 b; k - CMP #$04
0 t/ r3 M* a- V; r: ]; S - BCS L2_2
5 Y5 e3 `+ r4 W) f5 L; R+ ^ - LDA #$00
3 Y* ~5 U5 P& s8 N/ x# K - STA Bullet_Y_Speed,X7 j+ L. o+ P+ X" p9 u8 z! I2 b
- RTS N9 ]' i8 U7 i9 r9 a
- : z3 s" h$ X& L$ T5 Y
- L2_1:8 D, G6 _/ z+ E+ B3 \4 b G
- LDA Bullet_Type,X
) z4 A3 Y& K: C4 {# x5 J - AND #$0F
: A; q _2 w" `( R$ R7 K" x% H - TAY
' K( s, v6 Y5 i - LDA #$00
3 Y! _" M% d9 O [ w - SBC Bullet_Speed_Data,Y, H/ ~) w" T2 i. x w
- STA Bullet_Y_Speed,X. A9 D+ }$ c; q; g7 L: T2 h$ I
- RTS$ M& W3 H8 \ s
- 8 D8 U% F& J! k/ C3 `
- L2_2: I5 J* f+ m1 w: R$ E% _
- LSR0 t- A8 n T( c4 H' s
- STA Data_buffer
5 \$ g7 r6 }# |- f7 n7 y# X - LDA #$00
& p# A7 n; J# _9 K$ [ - SBC Data_buffer
: z& o% C: O# v5 T9 G9 p - STA Bullet_Y_Speed,X0 L6 W8 A( Q- T# J% Y- l
- RTS
4 S0 e- r8 C: \9 P3 h# @# @ - # Q) d! b+ f ]6 j3 t7 u" p
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
9 T; d! H; A5 r! \$ @# Q - LDA #$00
4 _: Z! a6 Q; R - STA Bullet_Y_Speed,X9 c8 \: M, A3 O6 Q! q, r- Y
- RTS
& w+ a8 f* T+ ]- U -
9 I0 I( u$ m$ @ - Track_Enemy_X:; E3 D7 e' A, s" Z- m
- SEC# Q' c1 x- @4 j; d4 S( `6 {
- LDA Bullet_X_Pos,X; c# m$ w) G8 E# l2 @, Z6 v" T
- SBC Enemy_X_Pos,Y
7 v* _7 A; L( O& m - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
& A$ c, ?6 D2 ^/ _; t - BCS Track_Enemy_X_Greater ;子弹在敌人下方
0 l5 @9 _. |7 M+ R - ) d, s8 h \+ I0 B8 `! c T$ A
- Track_Enemy_X_Less: ;子弹X < 敌人X2 L* L0 @% |# S0 ]' U: _
- CMP #$FC
" m; \& V0 w7 z' c* `0 h# d - BCC L3_1
% g6 e% P! _1 W- o% n5 W - CMP #$FE
$ s0 {7 R4 s& ?" z9 T - BCC L3_2) K. t) H @0 S5 L+ z {
- LDA #$00
1 { W8 Y( B' ^( W) z$ D - STA Bullet_X_Speed,X: l" I3 j8 b$ G* J6 f' n! n
- RTS
; ~ b/ b# ?3 r, k6 P - L3_1:
6 Q$ p$ P {9 O* ]' W5 c1 F: | - LDA Bullet_Type,X
7 Z* [* c$ q0 n+ Z2 b6 S6 H2 u - AND #$0F
# c) Q# g6 a [8 t' i6 p - TAY; d+ {9 F. b, {( K
- LDA Bullet_Speed_Data,Y, K# R) p9 q8 l
- STA Bullet_X_Speed,X9 \4 \- M& K ^" C7 G' g
- RTS
0 n: l- f. J4 y3 {% g% c - L3_2: ' j- B/ D: x- m* J& |) M
- STA Data_buffer/ s! x, e, Z: `( E" K C3 r
- LDA #$00/ m. f# f: u/ r h6 t
- STA Data_buffer, W: D' R% P2 b o+ N" ]( g
- LSR& D _( U! @, g S
- STA Bullet_X_Speed,X6 J! S; o! s* U( C4 w7 P# ^, O
- RTS! U; G' v9 s* L, ?
- ( x$ [$ w, E0 G' J
- Track_Enemy_X_Greater: ;子弹X > 敌人X# K; B, e+ w$ z2 p( b
- CMP #$04. i. D" `: e' N
- BCS L4_1) {1 r j$ }! Z2 Z, Q
- CMP #$02
" O4 f7 u3 u( p- P7 F - BCS L4_2! e' ]1 h* O9 P
- LDA #$00
. ?* G2 _- k7 d8 q - STA Bullet_X_Speed,X' \/ \4 ^& a( A" C% |5 {
- RTS
! s1 K9 U$ M; \) G -
6 ~6 a* z5 ?% j3 ~% m - L4_1: ; z7 q/ f _) M8 I, H
- LDA Bullet_Type,X
+ u, D3 F0 u9 f' s% R9 k7 E* I - AND #$0F
. O1 o2 G; |" e - TAY
' v7 s* e6 J& S: t2 f - LDA #$00& ]& z( ~: ~6 w0 |. x
- SBC Bullet_Speed_Data,Y) G: D3 M f: Z) v d7 B0 D
- STA Bullet_X_Speed,X# j2 A* q) h0 B k1 ]! F* z* s
- RTS% V9 b8 b# y- \) v
- L4_2: 2 v1 Y& M" _4 h5 B
- LSR
. p) f1 E; `2 I( E) G - STA Data_buffer9 p3 W% R D& \8 e
- LDA #$00
2 ^' q% L* S( g, [% t' m: Y - SBC Data_buffer% U3 u' ~/ v& ~- k9 M9 J0 i
- STA Bullet_X_Speed,X0 Z" f2 G5 U, W2 v% b+ M# R% ?
- RTS
! G8 J8 _1 m# y) }* K -
S2 s' U- o# |, G1 T, S6 ^ - Track_Enemy_X_Equal: ;子弹X == 敌人X
5 V4 L! B" v: r1 A/ u% a - LDA #$002 O2 t$ q c6 T+ z: }0 D7 G
- STA Bullet_X_Speed,X
# [3 q- P- G, H% @% A7 I: g/ W - RTS
( K: G, J- W0 v/ F; z - ( w9 Z3 Z& c9 j0 }, F2 _
- Bullet_Speed_Data:
; L' T4 G9 x% m" n6 }- N - .DB $00,$03,$03,$02,$03,$03: y0 \7 r! @4 t: J; x/ N
- ; A7 w( I9 d) f1 v& x% H. g7 n2 [
- ;2, 4关7 b( U$ H Z+ q' w) f& t
- Track_Enemy_Ex:
, o. u# Y& \7 s, @7 V; @ - LDX #$0F
' l5 F; z+ n) k& v - Track_Enemy_Ex_Begin:& H! {( t* r- b/ I8 d
- i" z9 v; w& w, c- r3 U9 ^! i
- LDA Bullet_State,X) i' X0 n) w X& E2 `
- CMP #$01
X9 b8 L1 Q" g- z% B - BNE Track_Enemy_Ex_Continue
4 o1 a6 ?# l( b# h# a& c" L -
! S/ S9 x: U% Q U' M - LDA Track_Enemy_Index,X
0 X7 e2 a; b) A. B; o& f! p: d8 o - CMP Enemy_Index5 |' x( m7 @! F# a
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
( B# A1 O% @7 n; x. o% { b -
& A' c: |. u, d' _ - LDY Enemy_Index; e# g$ i) w% o( _# ^" F7 k+ y
- JSR Track_Enemy_Ex_X1 G4 s& I/ v$ Z; l# C0 @6 V
-
1 V1 C1 G8 m# A0 Y# Y! Z9 Y - Track_Enemy_Ex_Continue:" x' f5 t4 D) T2 ~# g: f
- DEX
6 r% ~& h$ D' S9 O - BPL Track_Enemy_Ex_Begin
% ~1 z* d; q5 x8 P$ U - Track_Enemy_Ex_End:% O& h2 O+ y( O3 S3 q9 `
- RTS9 c- Y" n( F! k. F
-
. V! d$ t7 e3 n( C3 y - Track_Enemy_Ex_X:
4 ]& q6 |9 X+ ^, X0 I9 g! T# Y - ;LDA Bullet_Z_Pos,X
9 H# B' Q, h/ Y0 G% @1 u8 x& D$ k - ;CMP #$04+ f/ @% Y& R6 Q/ c
- ;BCC Track_Enemy_Ex_X_End" ]; W* A6 Y: i3 z1 K
- SEC
) f+ z" ?6 v0 H9 f0 i - LDA Bullet_X_Pos,X1 X+ y( u5 X+ B4 c$ U
- SBC Enemy_X_Pos,Y
8 B- S# `6 E) J# | - BCS Track_Enemy_Ex_X_Greater
6 g1 Q1 U6 n' ?+ _8 n -
; h/ ?3 a. o& j" D0 z - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X8 S' D1 k. h; ?% Y
- CMP #$FD
3 u K$ W% W. w - BCS Track_Enemy_Ex_X_Less_End& L' F" |" x! q1 x( M- K) o
- LDA $6020,X
6 J; f" B A2 o% K# `6 e- D - CMP #$2A `; c7 V( a; e
- BEQ Track_Enemy_Ex_X_Less_L1
7 D* n9 J; b* d, Z1 f - LDA Bullet_Z_Pos,X
6 g* O' I' A) o8 |. n5 K% O - LSR7 z& U8 Z- X. K2 `% Z
- TAY
" Q* b" d# L) r3 a, g8 e8 p1 v - LDA Bullet_Speed_Data_Ex_R,Y+ n9 b6 l4 j; N2 x% R
- STA Bullet_X_Speed,X
9 u* n0 C* J1 H8 x5 w2 ^1 h - RTS
4 i8 y$ E) f+ V. @5 |1 h6 l) i) J - Track_Enemy_Ex_X_Less_L1:$ B0 I6 o4 ?6 v( \8 K
- ; a2 C5 F: `2 c
- LDA Bullet_Z_Pos,X
( E2 `% Y) ~6 L4 k - LSR
' z! r. w* y; c! a, @, w - LSR
: n9 i8 L# e- T" w: C - TAY
% ~; c/ x1 I5 f& A! l - LDA Bullet_Speed_Data_Ex,Y
" G4 X" j% s( u+ e) k - STA Bullet_X_Speed,X/ Q4 @$ E% z/ A1 V, n
- RTS, R, Y1 H) F0 m" o3 X: q2 C
- 3 Q7 `! q% ^+ _# e& i6 `0 k$ ]6 ^
- Track_Enemy_Ex_X_Less_End:
8 M0 x, I9 ]2 K6 |9 X - RTS% v2 E9 D0 `: Q, J# n) y
* q# T! t& p+ I, ?+ G$ `! t E- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X2 [) a- D, [+ X2 P
- CMP #$03
, i, [% ^5 F! G# U; D3 d5 V/ R - BCC Track_Enemy_Ex_X_End
# M3 I6 I" p# `& o - LDA $6020,X
7 W1 K- e: f/ V$ N9 d% V2 R - CMP #$2A
8 o. w7 G% M/ G; R$ o* t% o. q - BEQ Track_Enemy_Ex_X_Greater_L1
( [& z) U' F" `% R+ R( o - LDA Bullet_Z_Pos,X; J9 J5 i' m; F1 P1 e0 ^4 R
- LSR. `# n) w7 ~3 d8 F2 D
- TAY
( x: F6 b% l f- B$ _4 G1 O7 x - LDA #$00
, @, L% [# M+ f8 W5 j: k - SEC9 Z6 k- I7 _: {: N! c
- SBC Bullet_Speed_Data_Ex_R,Y# [% }6 c0 T/ u) H1 I, O4 g1 |- g
- STA Bullet_X_Speed,X9 `; \" k/ f r3 k" c5 g$ j
- RTS
0 b2 s6 l& Y/ e1 [8 ~, t) n - ' E" g/ L1 P5 y
- Track_Enemy_Ex_X_Greater_L1; O q; u- V# G+ c( C* ^' N
- LDA Bullet_Z_Pos,X/ i# n( |; q* @5 ?8 z/ S
- LSR" y* j! n" D p6 h
- LSR
: M" M/ Q: F4 o+ _ - TAY* u- |+ C1 s/ B7 \0 I7 H- |- K" k
- LDA #$006 L" m* t0 Z* p3 T: X3 w' E
- SEC% l$ U" n, Y7 T! H6 x6 J
- SBC Bullet_Speed_Data_Ex,Y
$ q# x6 P! }/ U6 R - STA Bullet_X_Speed,X( Z6 p6 Z& ?3 U( I/ P w" @2 Z) x
- RTS
* ?( \# C: M/ S+ Z" d v -
5 N8 v# H) d8 ^ - Track_Enemy_Ex_X_End:
- [( y) p4 T5 l* N9 }9 j1 c0 Y - RTS- s( y- |# }6 R! n
- ; r8 b: Q. G& L4 V4 {
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)1 x1 K: H$ _8 l. H S+ d! [; t) Q
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
- s3 K R: e4 m9 y - Bullet_Tract_Direction:
# ~" o. d) b8 y. q& y - LDA Bullet_Icon,X* U. Z: M3 C+ z7 a
- CMP #$23$ R, {2 o f) {( n
- BCC Bullet_Tract_Direction_End
7 Q+ R' w: {- r2 n, _) a - . \8 E% x, o* s
- ; X != 0; O$ ~) A" h* H& A
- LDA Bullet_X_Speed,X
. c( h/ Z( o. F$ L+ T* ` - BEQ Bullet_Direction_V
; @8 X/ N$ v+ I% N. Z - 3 M0 [! N) {+ D* I
- LDA Bullet_Y_Speed,X3 u9 s/ f4 f! g% R9 q7 B4 d
- BEQ Bullet_Direction_H: l% y3 r, X' r
-
) s# p6 }, D! S( }+ m" C0 P( b - LDA Bullet_X_Speed,X
; ] `% b$ C9 c5 i- G- ] - BPL Bullet_Tract_Direction_Right1 M, A- W' ~9 P9 S$ q: ^
- Bullet_Tract_Direction_Left:
6 \3 b9 w/ s; u9 ~$ q - LDA Bullet_Y_Speed,X# S$ f# S! _) ]
- BMI Bullet_Direction_Left_Top
9 _/ z F6 w! ~ f1 f) x9 e5 X - BPL Bullet_Direction_Left_Down
- d( _7 G# e% \1 D - Bullet_Tract_Direction_Right:: K I, F; r! Y4 S4 B
- LDA Bullet_Y_Speed,X
6 S4 l' U$ U5 A- f4 P+ D4 d( f+ } - BMI Bullet_Direction_Right_Top
4 b5 ]% M2 b* i. q - BPL Bullet_Direction_Right_Down
2 Y" i% X9 E, Q$ H4 d# N* Y! w - Bullet_Tract_Direction_End:& l) J& G- z$ j# R4 v
- RTS
+ J" g$ C W0 S0 l# i3 X- V, ~7 j - 5 g0 r% G3 b0 I$ W+ Y7 g4 _ d& s
- Bullet_Direction_Left_Top:& [2 P, I' I2 ~' l! l+ w5 s
- LDA #$25+ b2 q5 S- Y" e; N7 r" q
- STA Bullet_Icon,X
3 E6 F; s i3 S+ S - LDA #$C0
- B C0 [* {+ K$ p, p+ W8 T - STA Bullet_Direction,X
* }: E+ a4 x4 `7 V - RTS) e. @6 c4 m2 C; b
' ^& R0 A B$ W9 q4 a% Q7 A- Bullet_Direction_Left_Down:
+ E) O# m9 S/ |0 L4 ` - LDA #$255 ^/ V9 l7 ^( m3 @- G% A( q
- STA Bullet_Icon,X2 [. k( H. e! |9 m
- LDA #$403 W* b) a# D. _
- STA Bullet_Direction,X
/ t) ?" D; @" O; R/ t - RTS
. z; F8 \% C7 J9 q$ B4 R) }* ~
, }1 @5 S" f* f* \- Bullet_Direction_Right_Top:
8 u/ B1 _. q" O( ]. u: | - LDA #$25
n, K* |& [0 ~ - STA Bullet_Icon,X& D% N0 o# |8 I4 G% |
- LDA #$80
6 {" U% s( ^' {) y) D6 E - STA Bullet_Direction,X
' Y5 r7 ^' [. s - RTS1 q8 U; p9 H2 P7 x4 M5 _
# o: @8 D0 l5 V) c$ s1 y- Bullet_Direction_Right_Down:
: i6 ~# v9 k; ~2 m. F# H$ D" A. x - LDA #$252 J' E2 ^! ? R3 c4 `
- STA Bullet_Icon,X
/ M7 K$ v& [+ |* w! ]6 J - LDA #$00
X& R- |, w' x$ u" s8 [ - STA Bullet_Direction,X
0 l/ b8 d) \3 ^0 Z" T - RTS
7 T7 O8 T; |. T
' s! r8 k/ K D- a- Bullet_Direction_H:, A# a& u6 d# p! \' ]
- LDA #$24* T# z9 ^9 l; N: z
- STA Bullet_Icon,X
5 y1 q8 S! M6 L- l( q - LDA #$00
) H8 w9 N% f; |5 O+ D - STA Bullet_Direction,X& [6 l4 h" v2 c F' I7 v
- RTS
) y9 n) P h. m% V3 d0 B - s; v8 d3 _# h5 ]7 i
- Bullet_Direction_V:$ r& C% a6 S8 n* k! r+ G1 X
- LDA #$23
2 y0 N9 f; d( G" s - STA Bullet_Icon,X: T1 t- O4 G1 Y, k; w- n3 K- C* G4 u
- LDA #$00
" Z$ \$ j) f! G. N2 f K - STA Bullet_Direction,X, F6 Q! r* c* d
- RTS8 g! L( c( a+ y; @& N0 Z/ q+ f
- 3 t! ?6 I7 @, S6 ^/ A
- Bullet_Speed_Data_Ex:
, o1 o" S# j6 x; f - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$040 }2 X! {2 f& l8 E2 L& Z5 E5 H
-
+ K3 ^( H0 K& g0 S9 R& @ - Bullet_Speed_Data_Ex_R:
5 e' R5 ?8 E0 q5 { - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$081 ?5 _1 |0 z- x; B
-
复制代码 ) O. _: f9 u# L, R7 _% \" c3 z
0 k* T4 f& f3 d) g/ g& x7 ^, m
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