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[FC][魂斗罗][J][追踪弹]5 C0 Q" Q6 Q3 W% F
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时间:2023.04.30
' B& Y7 D, e) X7 {5 @4 j作者:FlameCyclone& W6 N, l" Q5 c! V* t5 D5 L
内容:
. N. a! p6 N) b4 x$ ~ 1. 所有子弹追踪敌人
; e6 P% x, Y: z4 f/ P. ]( V; K 2. 选择键切换武器! Y/ K* V0 i$ M3 E/ s
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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1 o/ p- z# x0 C' C% m$ @ Cflamecyclone.ys168.com* d# k4 n. K g' `: G, l

- L8 v9 E* C" F2 W/ ?+ }- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
" v$ `( z0 f2 O" F' J+ @9 d - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
' j% D. u- ?; |* W4 s - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)$ v& n& `# ]" i( B& i! a
- ) F: H' Y$ @' j
- ;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) ^! S/ J- `0 V" o, ]! e2 E( x
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
$ m/ \$ T3 o" M2 J' Q7 e/ c5 C - . B$ R0 `" V, S- Y! j- R
- Track_Enemy_Index = $6000
h% b6 x0 ? `& ?, |3 m9 L - Enemy_Index_Begin = $6010
' y( T7 b, `/ r0 j - Enemy_Index_End = $6011) _' e6 |; Q: b' Q5 ?) Z. w
- 4 B4 s2 a+ E, k. Z; d& W# B4 X
- Loop_Index_I = $6012! _- o3 q' c/ t' r' o
- Loop_Index_J = $6013
' q5 ?7 E* Z V/ I) Z( ?: w. N - nEnemyIndex = $60149 Y3 f- ?3 Q! t7 [) T
- Data_buffer = $60150 `- i6 U8 g1 h- r1 J5 m& X* ~
5 g. |4 t0 }% U8 a- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
4 \$ y4 k5 G, } - Bullet_X_Pos = $03C8 ;子弹水平坐标0 L5 v+ Z: z6 ~- q/ w1 j& k; N
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ P+ ]3 o D5 b+ s+ A - Bullet_X_Speed = $0408 ;子弹水平速度5 Q1 r) v9 L y" A+ s
- Bullet_Z_Pos = $0418 ;子弹Z坐标) {- s" L0 W3 b: r% A/ T
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
" d5 d6 z* e+ d - ' U3 i: b0 N3 i/ W. S8 U
- 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7 w# H" h# ~: _6 L0 d' g4 q
- Enemy_Blood = $0598 ;敌人血量
7 B7 A) G% U8 W/ o$ y - Enemy_Type_Addr = $0528 ;敌人类型
* r3 w( Y' f1 m1 J$ H7 x3 ?3 }6 A - Enemy_Blood_Addr = $0578 ;敌人血量
6 T V$ {& B, @' _6 Z - Enemy_Y_Pos = $0324 ;敌人垂直坐标. `7 x( ]+ z& `/ J J- H
- Enemy_X_Pos = $033E ;敌人水平坐标8 h$ e& a a& l: m
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
/ s+ P1 x' s& [7 w3 J7 S1 J - 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& X! [0 s. ]* F1 p+ H, s
- ( z" z; M4 e* n( u+ D5 {7 P
- Enemy_Index = $83 ;
' u5 U- O1 u% m: T2 c - Time_Count = $1A
! o% ] X: {) O" ~" A - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
2 k8 ~/ o9 H! V; F+ ?: n, P - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率) q6 Q w+ H+ g* C" p9 ?
4 r% v* k* Z# a; y) X- 6 T5 W; i& p" k, P
- .ORG $6100; F4 N& q9 U5 z- Y4 X$ o% i' t
- Process_Begin:
# ^+ w7 @( ^% \* J* z - JSR Enemy_Check9 h9 s- T) t ~7 X4 F& K
- JSR Track_Enemy_Check
" Q: i. D# ?- D: G4 C - Process_End:" [. g5 l5 Z/ C2 L9 z
- JMP $E54F
( [ {8 }$ a4 o- g - 1 W5 }' J) f2 l$ B4 z$ W1 A0 h8 Z L; ?
- Enemy_Check:
! \) g/ E# b- `9 T7 ^- f3 i - LDA Time_Count
9 i- ]; q5 [& l - AND #Track_Bullet_Speed
9 j0 o; X- C' g- U4 U - CMP #Track_Bullet_Speed; \+ G p- [5 v& T1 H
- BNE Enemy_Check_End& h0 q5 P, w+ _( ~" F; T0 |
- LDX #$0F7 z5 P& u6 f# S) F% B& i3 s" B
- Enemy_Check_Begin:) {: S' h- y4 _3 p$ |3 d
- LDA Enemy_State,X
$ [0 M- W* G& @6 M/ D7 n L, ]7 O3 T - BEQ Enemy_Check_Continue
* v+ k' K$ e! v9 E9 i* G - STX Enemy_Index, I X; j. {; d. x$ ?: _5 D
- JSR Find_Begin_Enemy' z, r+ T& J& r6 N
- JSR Find_End_Enemy
& p- t; [8 }+ d8 F - JSR Bullet_Track
" C6 v0 l7 r0 E L- z -
* Z$ u, \; R, s; B' W - LDX Enemy_Index
+ T! } p+ `9 V% H$ e* N - Enemy_Check_Continue:0 C6 o9 W7 V* c( x/ |5 |1 K
- DEX
" ]! f& _& V% ~9 S" t: O - BPL Enemy_Check_Begin- m+ Q, U- H/ N: ~& A
- Enemy_Check_End:4 z! g1 x; {- z' u
- RTS
# V% k! C" |3 T' B+ r: g -
7 `6 d: P' R' M2 N* @ - Track_Enemy_Check:
- ]( N% @& ?: {/ D2 M8 Z, V+ F - LDA Time_Count% l5 X# d( o& M4 r. s
- AND #Track_Enemy_Speed
5 I) i7 Y" g& u% y: Y' B/ J - CMP #Track_Enemy_Speed8 g5 {, t2 d' I" y+ O7 L5 x5 w
- BNE Track_Enemy_Check_End
! x$ F, L1 `! o5 ]( D6 `4 h - LDX #$0F
0 S4 `" b8 `. R- w- k' d - Track_Enemy_Check_Begin:
, V$ ]' p: W* a, H! A& c - LDA Enemy_State,X9 \# q5 ]. w R8 Q
- BEQ Track_Enemy_Check_Continue
( E2 r# \% d! x" @2 h* r' J - STX Enemy_Index% K7 N6 N0 {6 `9 r
- + y# J; u: C+ q L9 Z4 Y
- LDA $40
+ _+ q& I/ ]5 u - LSR% `; L0 p0 _- U
- BCC Track_Enemy_Check_Begin_L1
# p F: t5 W6 [+ s9 k- U( X+ D - * K% n# a3 j( h5 U9 y- ?5 g
- JSR Track_Enemy_Ex ;2, 4/ d5 d% @. u% i8 t
- LDA #$00/ X7 D' K5 c4 \- N2 q) r ^! a
- BEQ Track_Enemy_Check_Begin_L2
$ E4 q1 c, u6 m4 H - & Q$ @/ _5 y' }4 A; ^- G8 L9 d
- Track_Enemy_Check_Begin_L1:
1 ?; u7 i2 x; _& M# e4 p -
8 B5 @9 N# T f; n - JSR Track_Enemy
: |9 f0 r0 ?( P0 y8 } - 7 }; h1 W& W5 l6 ~4 |
- Track_Enemy_Check_Begin_L2:& R: M. S; D7 q2 ^+ o7 |
- " S% {8 V; F5 \2 C8 K
- LDX Enemy_Index+ h; T: A( ^. J1 c
- Track_Enemy_Check_Continue:
[+ A1 @9 ]0 j( N4 t* ?1 O2 Y - DEX
4 `3 B0 ~3 e; P - BPL Track_Enemy_Check_Begin7 |0 r. n8 C L, K r
- Track_Enemy_Check_End:4 j4 B* J @; D* r7 e* m% ~
- RTS
% m! A& c" |2 H1 C3 l
3 E, u6 q. s: J- , H9 Y* I4 z0 K, \* \8 ?5 f) Q
- ;查找第一个敌人+ ]& n) o- |! a
- Find_Begin_Enemy:
9 e, q9 ] ~0 B; q! z - LDX #$00
; h; d3 z8 z- N4 t+ G0 K. [1 f - Find_Begin_Enemy_Check:0 }7 U$ e4 Q, j, p. i+ B
- LDA Enemy_State,X. J" E+ M. N; y5 ]
- BEQ Find_Begin_Enemy_Check_Continue
7 N# X) Q! n1 k - LDA Enemy_Blood,X; A& v# K+ y# K8 F
- BMI Find_Begin_Enemy_Check_Continue
4 \$ L9 P6 _! g: Q - BNE Find_Begin_Enemy_End k% V: P) z( O6 k3 _& z
- * f* Y6 B3 Y& n* ` Y
- Find_Begin_Enemy_Check_Continue:( q* ^0 c; t( L
- INX
6 p/ T5 I- _" R - CPX #$10
9 x; O. W% W) y3 K3 o; }5 L( S+ C* c2 a+ l - BCC Find_Begin_Enemy_Check
" t0 m) w3 n; X' y5 C7 I - Find_Begin_Enemy_End:7 W8 d# j# D5 i9 j( Z9 _# B; i
- STX Enemy_Index_Begin
. q: p# S5 H+ c/ z3 q! w1 W, ]8 L' C# B - RTS
* ~5 [, a9 h s
% p* E& l' }7 b6 j( E- ;查找最后一个敌人
( _# h" Q! j1 f8 D+ o - Find_End_Enemy:
4 ?5 }; g. r6 o7 F+ L* Y) n - LDX #$0F1 F2 f' N- ^6 C
- Find_End_Enemy_Check:
+ `3 R/ K `1 _) W- F, Z - LDA Enemy_State,X) U+ x3 r. k, J
- BEQ Find_End_Enemy_Check_Continue
) d6 \7 O! q# o f7 s - LDA Enemy_Blood,X% e$ x7 f8 p- [8 u: T% p
- BMI Find_End_Enemy_Check_Continue
7 v% M4 u) B2 N- D- U6 W - BNE Find_End_Enemy_End
0 W; c- ]0 u4 ]3 B0 I& h -
4 `' k, S. k) x( Q: [) I2 U - Find_End_Enemy_Check_Continue:1 R- _; W0 l# Z4 w% n; j4 R
- DEX4 @; Y2 E0 V/ p) _
- BPL Find_End_Enemy_Check
8 z. V7 Z8 |" {5 A - Find_End_Enemy_End:
2 S( I& Y* s4 O, C# U - STX Enemy_Index_End
; j' {1 k! S) V( L - RTS
+ E, J( ~! v0 w; R, v - % N) d) d( K4 c3 ?& [& n
- ;子弹追踪
& c+ d/ e1 f9 k' r7 Y- O1 `& F. } - Bullet_Track:+ }- H# V' n; U: L7 n& F& D6 J# g
- LDA Enemy_Index_Begin' _* g- D+ J2 G# L
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;: M0 ~; x! m7 l5 D
- LDX #$00
% V1 _! _3 D) d1 d% {) B - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
4 \# a" Z- X; `, j. {& q( I - LDA Bullet_State,X
8 J6 W5 b& ?' k% c p& _; o - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;- {" Y4 o9 U/ P! z6 Q H- r4 z) r1 q& `+ T7 m
- STX Loop_Index_I3 q! @: d8 U S$ _
- * }4 l0 L2 K% }9 A
- JSR Bullet_Track_Enemy
' W- x8 W5 B1 Z+ C0 i* U& C. ~ - JSR Bullet_Tract_Direction
! {' t8 p% a# k* C! f) S -
f# b% W, G7 [" V6 v - ;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0 ]/ ^, H1 V/ e
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;) I4 U; H8 K2 ?* j* \4 f. P% h0 N
- LDA nEnemyIndex6 F' @ j- @+ [
- CMP Enemy_Index_End) i8 H c% w7 i3 C9 p: X
- BEQ Bullet_Track_Check_Continue
" L7 ^* w) G' H - BCC Bullet_Track_Check_Continue1 I0 G4 a, ?+ N8 t" l% m) Q
- LDA Enemy_Index_Begin
( r! C, N7 h- K A3 e+ x( j& h - STA nEnemyIndex
) G4 s1 q5 G7 s& \8 b - : T; ^8 K; x, C) G8 v
- Bullet_Track_Check_Continue:* R. Y0 b7 A+ f2 c& s0 `
- LDX Loop_Index_I
0 W# F6 w+ k; t8 V ]+ L. I - Bullet_Track_Check_End:- k& d0 W9 L, `3 i
- INX
: g- ?1 d2 v: L' ]8 D - CPX #$10' z: p# [/ ~5 O' \
- BCC Bullet_Track_Check* S8 o( O; ` i3 T9 T
- Bullet_Track_End:' Q" D1 ~3 g1 f
- RTS
+ ]3 Q0 u! }1 O -
2 E5 k3 o% p8 ?, j9 p- ` c2 [- b - ;给敌人分配子弹+ U8 P4 W7 K6 N: Z* I, h) c) `# z! T- x
- Bullet_Track_Enemy:
( J9 n% Y0 z c; M# |# z - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
- w- \$ A6 A- y/ r - Bullet_Track_Enemy_Check:+ ~6 _' L5 |0 f1 a6 o
- STX Loop_Index_J: C) M# _0 V7 E+ T
-
/ t! S4 s8 D" P* s! \6 o - ;if (0 != nEnemy[j] && -1 == nTrack[i])
: {5 ^9 ^7 O! l E) Z9 K - LDA Enemy_State,X
. ^& S$ r; G$ z P( b - BEQ Bullet_Track_Enemy_Check_Continue
! K; v7 }2 m& i. a- R4 G1 s - LDA Enemy_Blood,X! [9 e0 ?4 b$ l' b6 z& u
- BMI Bullet_Track_Enemy_Check_Continue4 N+ \9 L9 _" h% m
-
r M7 S. f' O8 }3 j; {1 M3 A% o - LDX Loop_Index_I2 F- E7 ~ h% J8 V9 e, e; Q
- LDA Track_Enemy_Index,X! C6 ~1 z& R# `8 ]$ g, R
- CMP #$FF
" |5 t e1 R' Y; s/ r - BEQ Bullet_Track_Enemy_Init0 p e+ I5 v- V; E. C
-
" u: C _) [) q3 i - Bullet_Track_Enemy_Init:1 r( U: ^/ v( Y
- LDA Loop_Index_J
~3 C, z3 ?) ?; f& t- r; ` - STA Track_Enemy_Index,X ;nTrack[i] = j;! t2 I7 j2 u" l
-
- u* s& m* V z7 b0 I$ q - STA nEnemyIndex
d0 W! O1 s' M6 f |6 d% M - INC nEnemyIndex ;nEnemyIndex = j + 1;
! j, h1 s4 c, e; s$ Z - RTS ;break;
& Y8 ~8 g8 m. p; D- j p0 k
; Z( k5 ^; p7 r- Bullet_Track_Enemy_Check_Continue:; l& p6 y+ Z' D# t
- LDX Loop_Index_J
- C0 k, r7 x4 q! [ - INX ;j++
0 K: B- Q6 t5 h; n* L8 i: ? - CPX Enemy_Index_End# g. ~0 `" }3 {& n
- BEQ Bullet_Track_Enemy_Check
+ _$ K" C( @1 R# T( m# O - BCC Bullet_Track_Enemy_Check
% L; R y" J0 G6 V - Bullet_Track_Enemy_End:
) L! a a. @0 ~) c5 P - RTS
, ]: x8 M9 }* C% q! Q
' z/ E* p) u& n" y; ~7 L- Track_Enemy:, ~, I/ ~( V) V; ~
- LDX #$0F
3 g1 v& Z' L- X! b1 R6 y0 g - Track_Enemy_Begin:% f, F7 }% k4 T& ]4 l/ S3 n" q
- LDA Bullet_Icon,X
9 l2 I& u9 r X) O- S( a/ c- V- z - BEQ Track_Enemy_Continue
2 t8 y$ o4 O j, q - LDA Bullet_State,X
: |. }! m7 k; p- {4 U - CMP #$01
2 c" `0 ]+ Z4 } - BNE Track_Enemy_Continue& }7 v2 O; S% b4 r
- 3 \6 q" M( ^+ C
- JSR Track_Enemy_Process+ o0 G% T8 T6 j% l6 B
- , u6 a" F: d) e* X! u: w
- Track_Enemy_Continue:
+ J& A+ a+ O: v; n7 z/ S. e+ X4 {+ u - DEX
9 `$ E' G G* j$ N* S - BPL Track_Enemy_Begin: Y1 y+ m6 H" m5 e5 P
- RTS; N2 i+ B. {$ y9 O" _+ B9 | R
& h9 \4 k. a6 t. @7 ~- ;普通关卡
' s8 W r5 F5 v - Track_Enemy_Process:& \. z! C0 ?; C+ j: W4 K- U2 Y+ J) H" n
- LDA Track_Enemy_Index,X1 z& T% m. R7 s' f8 K7 K2 y2 w
- CMP Enemy_Index
, L1 a6 o: r# J, Q2 x4 [) j - BNE Track_Enemy_End- i; w! x$ C- m8 K
- LDY Enemy_Index8 L% @/ r; B0 B8 W/ E3 O+ d0 J
- JSR Track_Enemy_Y- P/ R/ x+ w- a
- LDY Enemy_Index
2 e5 E: }( T$ q - JSR Track_Enemy_X
/ m' m5 g4 T4 A6 [1 H& T% q% \# a - Track_Enemy_End:( e; U" U, }; z
- RTS
# I0 @0 \3 G5 ~ - h7 u; A# J/ N8 s8 l$ T$ t
- Track_Enemy_Y:
8 i: @# b: K! a2 M7 J - SEC5 r5 y$ L* I) b+ l. x4 w
- LDA Bullet_Y_Pos,X
0 O# i- I" O; r2 L+ w - SBC Enemy_Y_Pos,Y8 k" v& O& R, {8 L. Z% w
- BEQ Track_Enemy_Y_Equal
/ Y1 r$ {3 F6 `* s2 l - BCS Track_Enemy_Y_Greater
* x Q# H4 @. y6 } -
$ _& `: v# E9 K. J( T8 k - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
5 X! p; V$ x' f4 v - CMP #$FC. G% z. z7 p8 r- }4 Q. i! J- U
- BCC L1_17 ?) B8 Q D1 _ J, o
- CMP #$FE
2 T9 t: l2 { k" `9 E - BCC L1_25 I6 C: o( `" b3 j( p2 }/ r' o
- LDA #$00
5 g- ], d1 S9 G4 u4 m, Z - STA Bullet_Y_Speed,X' z7 J/ M/ O& @ E1 X
- RTS+ F0 }' T( E8 i7 K* ~
- L1_1: * S1 K' ~$ x- |7 q
- LDA Bullet_Type,X0 y+ G- h) [- Z! O
- AND #$0F- z1 k$ _) Z/ [2 i8 j- z# d0 \2 |
- TAY/ M% j7 Z( W r. v5 W
- LDA Bullet_Speed_Data,Y* L( V0 D- s5 b g
- STA Bullet_Y_Speed,X. a) N+ T: T$ z+ B; N" U
- RTS z1 ^, ]! _7 M- Q
- ' c0 r/ Z6 z# E2 K& s( `
- L1_2:
. h4 N1 i5 N: ~& s - STA Data_buffer+ w1 K9 A0 Z( @. I+ y% [3 A9 D
- LDA #$00
8 b4 W0 O" S+ J4 {7 M! K - STA Data_buffer
, A& f& X8 q; C4 c8 P( A8 v - LSR
1 ?- T6 @% L2 Z1 e" A1 p& W, J - STA Bullet_Y_Speed,X+ p; f4 G0 L- S. b
- RTS6 b l( _" N7 Q* s! d, ~% {
- $ t6 o# ^4 E4 q5 r! `7 L
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
) t w2 L C8 i; R' E @' z - CMP #$04' \+ `2 L4 m5 ^7 R
- BCS L2_1% N0 b X/ n8 L0 p, q9 ]+ \
- CMP #$04
5 U. O2 B( g4 \; g ~ - BCS L2_23 x' s$ K$ N3 @ \% S
- LDA #$00
( @& s& r! ?/ s5 _! g - STA Bullet_Y_Speed,X9 c7 _! Y. c8 b; P- P* V9 J
- RTS) ?; t6 R: p& B1 M J4 B7 H s
-
* h' l5 b9 w1 ^" o7 e - L2_1:" ~5 Y. l; f4 w
- LDA Bullet_Type,X
9 O+ v! ^- ]/ G1 ? - AND #$0F( i4 Q, o! t7 K0 S2 }* i. V* Q
- TAY# H0 a3 b1 o0 F, z. T$ J5 \, K- g
- LDA #$00
( M2 j K7 l. d. z6 e1 G+ G - SBC Bullet_Speed_Data,Y
' M, h* ^( S9 {, b) c - STA Bullet_Y_Speed,X' ?) l( ~$ x1 n
- RTS
7 u, k6 [8 _8 e r p: e, y+ V - . D- g4 `0 Z4 W4 @
- L2_2:
0 q/ q% i! d" M; a" v, Y" M - LSR
, ~: y- C$ Y& C" {$ y - STA Data_buffer% A) m# c, p3 z" E+ _
- LDA #$00# f8 B( X& w! z0 u
- SBC Data_buffer
, J0 t5 q$ {2 Z% W - STA Bullet_Y_Speed,X
% L8 W# p X" ~3 M - RTS* ?2 m1 x9 o8 L( ~) G& A( D
-
6 _5 C& _5 O8 b+ `8 x4 w( ~ - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
1 M8 y r0 k8 }: Q7 l. d - LDA #$002 }0 U# c6 f# N; p! D
- STA Bullet_Y_Speed,X
% @: L# [5 ^1 {! a( r - RTS
, U9 a4 r/ z ~* D; K - 3 F" L7 U( w5 v! `, M* [
- Track_Enemy_X:/ l! R w: e8 U+ \, ]
- SEC
4 a- C3 O$ ~1 b' c7 W4 p - LDA Bullet_X_Pos,X
+ W; o u7 u: ^' S - SBC Enemy_X_Pos,Y
1 x/ B G, ]! ^$ A - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
9 ?3 ]; B3 M, I1 {; X2 q5 y - BCS Track_Enemy_X_Greater ;子弹在敌人下方
* E/ m3 X* I1 b6 F" Z - / k0 ?6 J. o" A
- Track_Enemy_X_Less: ;子弹X < 敌人X
7 N% J' t% Z# L9 U* E - CMP #$FC$ b) k$ x, w6 r3 J+ _% J& [ }
- BCC L3_1' m0 m9 v, i. [- R1 h) |* K/ f
- CMP #$FE
* L! u) J/ ]3 n ~! v" O% p5 \ - BCC L3_28 U1 ?+ y+ a* g& N, q5 X/ n& U
- LDA #$000 m' q* H5 }! `5 c
- STA Bullet_X_Speed,X7 i) R/ B9 T7 \) c$ x+ z
- RTS2 C; {/ W& M* ~* @* R
- L3_1:
5 f. ]% C5 a* o# P& |$ u - LDA Bullet_Type,X7 u) ] N2 Q3 b( H4 ^: }
- AND #$0F
9 i" [7 `0 e9 a - TAY
+ c) a' Y& p4 `" o; S - LDA Bullet_Speed_Data,Y
$ c& O' w: \6 {; ]1 O& u. W - STA Bullet_X_Speed,X
" b s% q$ C+ x6 G - RTS2 r- P6 r8 q3 N: ?- C( Z: m
- L3_2:
9 M% F1 T0 Y& ]8 O! D( q4 |7 ~ - STA Data_buffer
( j+ X1 N. G4 s! O! v - LDA #$009 E. g; v0 {/ x s: u* X
- STA Data_buffer
4 O( h+ H* U( l - LSR! Z- S2 H" x' g4 v( O6 \$ Q( C# D
- STA Bullet_X_Speed,X
' i" V0 ?: ?. l; c9 c: J - RTS' J3 H6 o G2 Q8 X8 i* B( }6 i8 \
- $ t& p! V9 U. J$ [
- Track_Enemy_X_Greater: ;子弹X > 敌人X2 e. G* b* z+ g
- CMP #$04& G$ g) l7 q+ N' R0 `% H
- BCS L4_1
' k0 ~6 T' n9 v( p - CMP #$02
( c. M# \9 F8 F4 z( X1 y - BCS L4_2
3 `0 T. l# C4 t8 @) [5 L& G( s - LDA #$00+ _2 F9 q: H2 x. {- ]$ f
- STA Bullet_X_Speed,X3 ^- g6 G3 Q7 ?* ~# {
- RTS' a; j! ]! t, N5 `, y' ^' |
-
! z; q# k9 Z1 I! m - L4_1:
8 Q7 b" u3 w3 V - LDA Bullet_Type,X+ W5 O( C' T1 m9 q, t _
- AND #$0F4 d U1 y% m. `* {" W0 r$ s. [6 o
- TAY
( N5 J" `3 ?( ?( {9 O# I - LDA #$00# F* p; b& v# }8 ^
- SBC Bullet_Speed_Data,Y
8 m7 k4 ^1 X8 V; S! ]& p - STA Bullet_X_Speed,X- D! P+ N" P5 I
- RTS
1 A7 o1 `7 h8 z0 i( o- P3 W - L4_2: # c6 S, a4 u# w5 O2 f4 c, E3 I- z
- LSR
9 y& Q/ F! w# F- \' M0 m6 Q* y - STA Data_buffer9 Y, }' n2 V) u o4 f5 U" J
- LDA #$00
) J8 J- g- Q5 m* f - SBC Data_buffer; y. Y" ~' ]3 L9 S$ L: e
- STA Bullet_X_Speed,X3 s- p! p( y6 T& j
- RTS
# B% B* q1 @' W1 s0 ^; U3 L/ D -
$ a/ p& } c# i; R+ q - Track_Enemy_X_Equal: ;子弹X == 敌人X9 D* s9 m0 o! c% ~( C
- LDA #$00
% K, y7 C/ x/ u5 s/ J$ ] - STA Bullet_X_Speed,X
) ]- ?) W L: p' c0 W1 V$ I& L- \ - RTS
' `- e0 q4 K; H- R - ! K5 G' N, g$ p' j
- Bullet_Speed_Data:
$ K' k9 [1 k) |- w$ g! X& ~" p - .DB $00,$03,$03,$02,$03,$03
4 [: ]) J3 y' L; R$ m& L; t - 5 q3 Z0 n+ ^5 P. j
- ;2, 4关2 v# k9 i4 _" r: w
- Track_Enemy_Ex:
1 \. X0 y* i4 P. ?( |. i - LDX #$0F
6 ~/ m- [7 K( W* C4 ^! Z - Track_Enemy_Ex_Begin:
5 ?& _2 a4 l, G# l& R H
2 E* b( }5 e) n8 K+ o- LDA Bullet_State,X
' E1 v! j1 U: K( z! l6 z - CMP #$01/ f" e; U% U- L: \2 c0 N" T0 q5 |
- BNE Track_Enemy_Ex_Continue
W; |8 T7 L0 l" F/ ` - 1 g8 N6 b4 i( J8 E
- LDA Track_Enemy_Index,X! O( y1 c3 \: ?9 ]6 }) x
- CMP Enemy_Index k# M R/ ~, t$ |, P/ b4 [, K
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标, M% b n7 E. d" p8 k e
-
3 A- ^# F: g# h) T- \! r$ n - LDY Enemy_Index
: V: ^4 P0 X1 T" z& ?' Z& d - JSR Track_Enemy_Ex_X
. S8 T4 I; p6 d- r Z7 u -
( S. q O! T2 Y$ z6 c - Track_Enemy_Ex_Continue:
$ ~# h q1 n6 Q5 o/ P - DEX( u' r8 M3 f! B& E R1 Z+ r
- BPL Track_Enemy_Ex_Begin
3 P, j& V: }, B# O/ W! N+ _ - Track_Enemy_Ex_End:
$ Q* w/ r% g* d) i - RTS
3 c2 c& X" X) F" k, {; A - . }$ y$ Z4 S$ l4 l
- Track_Enemy_Ex_X:
) k S* i2 e" x - ;LDA Bullet_Z_Pos,X
9 d9 `$ C% [! n3 o - ;CMP #$04
5 s) R' E. ?7 k+ o# S/ D - ;BCC Track_Enemy_Ex_X_End
6 Q! @, {! j/ p3 n1 g - SEC2 [! d+ _. V. x5 `' {- }
- LDA Bullet_X_Pos,X/ D0 ` B' j! _& W6 s8 }
- SBC Enemy_X_Pos,Y
T, q3 v6 n4 d( l' G - BCS Track_Enemy_Ex_X_Greater
# }8 J+ J( x9 L0 b - $ U$ E& V( T" @, c
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X- f5 }7 f" f; u
- CMP #$FD7 [" N _, a. f% B- m
- BCS Track_Enemy_Ex_X_Less_End
& V! V+ l6 m1 ~* T. i7 f5 [$ _( ? - LDA $6020,X
3 M8 a9 o. a' q - CMP #$2A' ` h+ P5 @( M0 m% \
- BEQ Track_Enemy_Ex_X_Less_L11 o% m3 \2 z) ?
- LDA Bullet_Z_Pos,X
D0 F7 K( V6 N9 ~ B3 u - LSR6 _ U# Z8 ]$ ^5 z) F* B% `( o
- TAY
- X+ U4 O- E! G+ t- v - LDA Bullet_Speed_Data_Ex_R,Y' `9 X3 p$ D9 i& {
- STA Bullet_X_Speed,X
- N; i8 U" E2 M7 `* m - RTS; I8 q1 W! _) Q+ S0 q( _- r4 B* l
- Track_Enemy_Ex_X_Less_L1:' _) N7 [6 p7 X% u: o# h
) j- V; P ?7 |5 ?2 ?# ?$ o- LDA Bullet_Z_Pos,X
5 S0 b) ?6 y% x/ j& o - LSR
1 j( Y! h: m0 W+ Y# ^' S. s U J% p' z - LSR+ R2 y3 }1 r3 v4 J8 G' f
- TAY
. ]4 O1 C( q& \0 \0 \3 N5 ]* A - LDA Bullet_Speed_Data_Ex,Y
* m9 \0 S7 ^' o) B5 @& u8 T1 h7 {7 U# G - STA Bullet_X_Speed,X2 v: e a6 _7 O8 k
- RTS( [' `7 M* i" m. d' r
-
- f [' L, \9 U$ F& ]& ~6 d - Track_Enemy_Ex_X_Less_End:
! x1 M5 i9 }' c - RTS
8 T; K% ?. k3 {% i
( y4 W# }3 p1 R U- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X' H- V) t9 Q: v, }" Z8 G7 [
- CMP #$03
/ O# a6 m; }4 u - BCC Track_Enemy_Ex_X_End
" g8 O( k( P6 X6 w+ d. ], L - LDA $6020,X5 b+ Y+ ]/ s, y1 v
- CMP #$2A) t" W& I: n) B& j
- BEQ Track_Enemy_Ex_X_Greater_L1
7 r! a; J C( ^1 Y4 y - LDA Bullet_Z_Pos,X! I1 x( k) D ]3 Y8 ?9 Q1 d6 ]* P
- LSR
* G: v, v5 e$ \9 ~3 _# \ - TAY$ Z1 ?- l: Z% S. K; ?* m$ Y
- LDA #$009 H9 t# H% z% G! t3 w- Q
- SEC
" s @- i7 C/ Q F - SBC Bullet_Speed_Data_Ex_R,Y, } P# K( y. k! x$ j6 O
- STA Bullet_X_Speed,X: I8 `# n) e1 n, {/ Y5 ~ i
- RTS U B7 g! d: H9 q: z
- * ? }& I& E, G$ Y4 [5 Z
- Track_Enemy_Ex_X_Greater_L1
* i* V) q0 l. h* O ^/ Y$ T7 L: \" J - LDA Bullet_Z_Pos,X
& \3 ^5 W/ w; x y8 r e8 x) M - LSR! _4 V4 r; P! @. M
- LSR
2 V ]5 [. B# R7 Y% E( C - TAY: ^& ~& n4 {; C# `! `/ `! Z Z
- LDA #$00
$ G' s7 s( G% j( _$ b! z - SEC, }" p& O+ E" Q0 E3 y
- SBC Bullet_Speed_Data_Ex,Y
( H& [3 M5 E2 Z' y, A - STA Bullet_X_Speed,X
) w; w* q+ o( u, k( z W. R - RTS- J3 M+ |& L! M1 d( e* n
- 6 C# x) \( g& }
- Track_Enemy_Ex_X_End:
% M2 M8 v& r5 Q - RTS
* V' F9 e! }6 z. @+ i% P -
2 v ?# _! o$ Y- V& x/ W - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
) F% h! E( X$ I. z8 ^- X2 b! c - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# _# K8 x8 O, v# B2 g+ ` - Bullet_Tract_Direction:0 s; R! c) r$ h* b
- LDA Bullet_Icon,X% V* ?" t9 I- m- f- C, ~
- CMP #$236 T2 h! O d& u! w4 e$ |# C5 ~3 s
- BCC Bullet_Tract_Direction_End+ ?8 z+ E0 i0 g
-
+ o+ S* G# y$ O( i' A. ] - ; X != 00 p7 x6 \* p+ r* N; [
- LDA Bullet_X_Speed,X
8 `- s& Z- l; i5 d2 g& z$ Q% Z, g - BEQ Bullet_Direction_V3 f9 }. \! x' o. S+ s1 G0 b
- 1 k7 D8 x! Z0 L6 [" C& L
- LDA Bullet_Y_Speed,X' D" b' L4 ^1 R0 @# E+ Y
- BEQ Bullet_Direction_H2 B! @+ J+ I' P. _$ a2 w. M" q
- 4 t7 H i; D S5 `- o
- LDA Bullet_X_Speed,X5 U( W; M) _$ N, g( _+ g- h
- BPL Bullet_Tract_Direction_Right8 s \! f D9 H. e7 {
- Bullet_Tract_Direction_Left:
5 [2 ~6 r9 Y$ E9 P2 k+ ~ - LDA Bullet_Y_Speed,X
! o( C! U! A, @) L: o - BMI Bullet_Direction_Left_Top3 f0 E# }( ~" C! @
- BPL Bullet_Direction_Left_Down
( C/ q, K% w M3 ^ m: W% S9 { - Bullet_Tract_Direction_Right:) @# c' l- i* R9 H7 R- t) I' T& N
- LDA Bullet_Y_Speed,X" j6 n+ _: h3 E: i( k1 G$ P; _6 j
- BMI Bullet_Direction_Right_Top8 Q3 P+ E4 X9 e
- BPL Bullet_Direction_Right_Down
, ~0 a2 R) ^. c6 C; E - Bullet_Tract_Direction_End:
8 {4 r, D* p, X2 T+ s: @ - RTS
7 I, n1 U3 [+ c' W: U" P N6 t
' [3 J$ L) d2 T/ ?& Z- Bullet_Direction_Left_Top:
1 \' q' f o" G: i4 ^: L0 O% b7 ] - LDA #$25
- |: z6 g" [" g1 j8 X6 B - STA Bullet_Icon,X# D: o6 x4 B$ G( C* z
- LDA #$C0
2 s7 \/ `5 @5 X0 S8 R# G - STA Bullet_Direction,X
, M6 @3 x* s; t - RTS) e6 i9 ^! d- m- v9 D4 n) U
) r$ D2 J: u6 Z5 K& m- Bullet_Direction_Left_Down:0 K# ~ z- b( ^1 ]
- LDA #$25+ Q& X" z; {7 @3 T) M7 r
- STA Bullet_Icon,X
# U* L. g) e# w- R* ] - LDA #$40
3 c2 e3 U7 b( P+ \! b - STA Bullet_Direction,X
3 J$ E0 ]" C, U! { S - RTS
- `2 j: [! Z. c. [+ _+ w& R# k - ' I+ v2 f0 W& O' f r
- Bullet_Direction_Right_Top:. H) t' N" B( s! J
- LDA #$255 o: S7 D9 |& u5 J# j3 v
- STA Bullet_Icon,X0 s# Y9 G4 m% e7 x7 }* i$ m, o
- LDA #$80
5 p7 f/ I6 b9 f - STA Bullet_Direction,X
) @6 O: j* a$ [- I8 S% |* D - RTS
/ p/ Q" y( L/ ^0 \- b0 A
" k! N, f( v% X4 f) @- Bullet_Direction_Right_Down:
# H- J) a8 ~7 _* @ - LDA #$25
2 Z0 Y! @* D/ e9 L3 O - STA Bullet_Icon,X
0 h R! P+ w; ~8 q) E- g - LDA #$00; h2 ~; _2 b, b: P# \7 i( ]
- STA Bullet_Direction,X
+ X" J4 d4 c' x& l6 f - RTS }8 c4 F7 y4 |& d
- + l5 P0 r& B* y) B |3 Z, A& T$ L
- Bullet_Direction_H:
, x! j8 P- L8 e+ Y2 @ - LDA #$24
, g; a1 ~& H; W: n - STA Bullet_Icon,X
S- Q5 f+ D+ g% p5 O9 o4 l! k - LDA #$00
[. I- l, v) Y$ G3 u - STA Bullet_Direction,X
" R$ P9 K& h# v. t- o: G, ` - RTS
- h( a, ]8 r i. D9 m
H+ v: P7 h( u: M# v0 B' D- Bullet_Direction_V:
0 Q1 b$ E2 F) p0 O$ o - LDA #$23- P9 i2 U; O2 J" Z+ }
- STA Bullet_Icon,X
1 W9 h% A; \; t9 n8 d V; i8 t - LDA #$000 m" G ~- z' n- e* B9 t5 i5 x# j
- STA Bullet_Direction,X8 l0 b! n, ]9 S+ q
- RTS
; O6 F% A# |( F4 b
8 |" o3 _( N4 ~8 ]' Q- Bullet_Speed_Data_Ex:) o' E4 R" g, d: v# d: k% |8 J
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
: I0 N/ j. M2 B$ R0 B3 x - + j: Z4 ]0 S! }7 g9 e0 O
- Bullet_Speed_Data_Ex_R:1 K% e, ?# ?4 Y, C5 F1 `# ?
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08' m$ y, u, s) ]+ B
-
复制代码
! J$ h) `* [7 w, _8 a4 N& M7 P. w5 D: O; U2 l0 Q
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