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[FC][魂斗罗][J][追踪弹]) c6 ]: t& K- e1 f, p
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时间:2023.04.30; C9 }2 s8 ~ h3 e. B+ o4 J, j
作者:FlameCyclone
: U0 Q% {/ M- y9 V+ _8 V" y内容:
( t$ V) o6 O) H' a) X) ^4 F1 Q 1. 所有子弹追踪敌人
) ?" f+ P3 E& p+ Z5 v 2. 选择键切换武器
! r6 \* X7 L% `) R5 t8 `6 }' \ 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; p9 U8 f6 k' w. k* |, J) {" m
) @' E) A5 g$ o7 x# o) |0 Oflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
( T0 r# r' ~1 z e- p& d( o3 `' l0 ^6 U2 a - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
& C/ V j) {7 x7 q& ? - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)0 Z# e/ T' v! }; x0 u; a5 `
4 _+ W$ d1 X1 k# X$ F8 M; u9 _: R- ;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)' k* m( Y/ R. y# l
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
/ e x. o# Z( l# C
2 l0 R# e# r: r- Track_Enemy_Index = $6000
* K/ q. P7 u0 K8 o4 g - Enemy_Index_Begin = $6010# J. a; x t( r3 T# A* c t
- Enemy_Index_End = $60111 ?/ {/ g- W. D6 u) d1 t4 ^) s; E4 w
) W; O9 H8 d; X6 g! A% V4 T' [- Loop_Index_I = $6012- y. A+ K1 c1 F* Z, M
- Loop_Index_J = $60135 R/ M4 r% r$ Y7 l b
- nEnemyIndex = $6014) G& o- f8 G8 ?) @- @' j6 u. g3 v" ]
- Data_buffer = $6015+ f7 n7 k& t5 x
- 3 b( f/ w3 x" I- _' v. E! c) |
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
( f" y) B" S& T3 n5 w5 i - Bullet_X_Pos = $03C8 ;子弹水平坐标
# T- C6 C' n9 [. d# W5 P - Bullet_Y_Speed = $03F8 ;子弹垂直速度
$ C9 c' D! n: V0 I; r - Bullet_X_Speed = $0408 ;子弹水平速度& h* S1 X* e/ E% v9 L
- Bullet_Z_Pos = $0418 ;子弹Z坐标; H9 d4 J/ L/ {, j
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P' c* Z2 m6 j A3 n, u
Z& C# J; p, T) j/ r* y- 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8 ~: v: L0 W, f: m: D* ~
- Enemy_Blood = $0598 ;敌人血量% i! }- _) W) Y% d
- Enemy_Type_Addr = $0528 ;敌人类型5 {- z8 T3 T# d, S
- Enemy_Blood_Addr = $0578 ;敌人血量
5 Z* e7 o+ t8 S - Enemy_Y_Pos = $0324 ;敌人垂直坐标3 }: J8 F: Q8 s: g4 g9 V2 s
- Enemy_X_Pos = $033E ;敌人水平坐标
! s7 N# {$ g+ W3 i - Enemy_Y_Speed = $04E8 ;敌人垂直速度* \1 g0 y* q3 H5 Z8 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: h9 a' p- L0 Y/ b# u. T
- 6 g9 s# }. C% F2 [+ F
- Enemy_Index = $83 ;
5 n6 m' F; s' Y3 U - Time_Count = $1A: r( j' k) h+ s8 L% [
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率# B: l$ j+ ?) m: C+ y8 Z( q
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率$ F. g, w/ p( m2 p8 h3 s9 {. s7 |
- 9 k M1 ]) j" r2 x$ }
- m8 z' B5 {2 K. i) w! ^$ k( n- .ORG $6100
: K- W0 f' w' C; p" Y - Process_Begin:/ G' \: a! G3 r2 l
- JSR Enemy_Check. Z: f) q. X2 j. @ t5 c( d; e6 @ \
- JSR Track_Enemy_Check. z3 a( _% H- e8 o6 ]
- Process_End:$ I% Q1 M5 i3 E: Z: Q1 b
- JMP $E54F
/ C2 h$ N' O* H/ c1 q' [. ~4 W5 r( f - 6 A& e, h/ o* L; v7 i3 c
- Enemy_Check:
4 i- Q2 I- n& E& g6 [- e - LDA Time_Count
/ b- k- a# \1 t- X0 J, q) Z; F5 t0 { - AND #Track_Bullet_Speed
2 @ ?( b" {. [ - CMP #Track_Bullet_Speed3 O; i& s2 [8 _2 J6 V/ G. b
- BNE Enemy_Check_End, t/ E8 V0 C; T+ E- L0 e
- LDX #$0F. p2 k7 s( j0 G8 {* p$ l$ J) e
- Enemy_Check_Begin:2 Q6 C; `! Z. w+ Z
- LDA Enemy_State,X
1 ~- H' l# m2 n5 L* l. P3 u% h - BEQ Enemy_Check_Continue
/ A# j+ H7 j4 L$ e- E - STX Enemy_Index# Y$ y8 _6 d6 R% H5 l: }0 d" J
- JSR Find_Begin_Enemy
2 b2 a1 e0 u* H. W; v- p - JSR Find_End_Enemy* V3 ^ A' q3 g% Q* Q$ \4 c% |; |
- JSR Bullet_Track
9 B: B! ~/ j( @4 T1 N& H - & V f ]* ~ O, {: V* b
- LDX Enemy_Index
5 O. G6 ~- @& G% J5 R# [ - Enemy_Check_Continue:; _) h. n+ y! \! n
- DEX: D$ S' d' c2 O# {
- BPL Enemy_Check_Begin8 o* [7 P( g/ o+ l$ X) B
- Enemy_Check_End:
, r W; L w: T% P - RTS
& A) k6 s5 X) G - $ p1 W3 c, O J
- Track_Enemy_Check:8 u1 |: ?% O% m# H' b5 o
- LDA Time_Count" {4 c$ H$ s! X2 U( `
- AND #Track_Enemy_Speed( u; \ e% d+ I2 e D
- CMP #Track_Enemy_Speed
) M- T: y2 b& [ - BNE Track_Enemy_Check_End( Y$ S0 A' h% M6 L; v- K& e D
- LDX #$0F9 d0 |: j T$ a* f( k
- Track_Enemy_Check_Begin:
, j/ X# _) e: x+ C - LDA Enemy_State,X: }2 e+ Z/ R8 J4 g5 d0 G( R
- BEQ Track_Enemy_Check_Continue
0 Z- K" J- c0 Y, D% ]% v/ n - STX Enemy_Index9 u( M' P6 m: @
-
& O) ^2 e8 H2 [# D9 ^ }; q - LDA $40+ N1 G G8 F- K- y" {7 A1 I
- LSR
* ?4 p. j! Q5 a4 t: S, }) G3 H7 B3 _ - BCC Track_Enemy_Check_Begin_L1# t3 F2 a2 i! m, w N' G- N
- ) w T, k6 p T5 \: T j. l
- JSR Track_Enemy_Ex ;2, 4$ q5 f5 M9 H) E! ?2 n& D2 ], G
- LDA #$00
& d& H6 x, f0 t1 ?* a& ~7 d - BEQ Track_Enemy_Check_Begin_L2
* V' d/ r! w6 \+ i4 W. Q& p! `2 E. Z -
' {* i/ }4 B, u8 {7 S! z! p - Track_Enemy_Check_Begin_L1:
7 Z2 l* Z" x o& f6 r: k - 9 Q$ Q, t& y1 l7 @2 j: }) U( \
- JSR Track_Enemy
/ X) F4 w$ P2 R/ [8 B& T) Z3 z - 4 I4 M i5 _6 ~0 o" d8 c
- Track_Enemy_Check_Begin_L2:
6 M( z# e0 S' i$ C' D8 n( o; f' D- H - 7 |+ [6 w2 A3 S: \' Y& o* f7 O
- LDX Enemy_Index
: C+ ?% R; J5 c! y0 ^% o - Track_Enemy_Check_Continue:
7 [. M$ R6 a" C. o+ { - DEX: d" b: } K% n4 ~
- BPL Track_Enemy_Check_Begin& I9 W) D( R6 O) M/ Y0 _
- Track_Enemy_Check_End:
# i2 ~$ ^9 M" V3 z# } - RTS! g. s3 ^9 G6 R8 v( f* Z; _0 |: p$ L
- 5 t) C. L. o9 Q- u" S
, U) k6 |) c- g; E. o9 I0 T* P- ;查找第一个敌人6 b9 n+ R. q( ~) o( ?
- Find_Begin_Enemy:
1 G+ k/ z+ U+ k% S$ G) L) T - LDX #$00# c9 E6 Z) O7 M* { k
- Find_Begin_Enemy_Check:
, q* y# W1 y3 H. S! X - LDA Enemy_State,X- u7 ^3 G+ r. p2 Z) A$ n
- BEQ Find_Begin_Enemy_Check_Continue
3 c7 b* G: C2 V: f - LDA Enemy_Blood,X
* H& T- q% `- R/ I; {# U+ V. i$ ]% [ - BMI Find_Begin_Enemy_Check_Continue) y! `9 W k& S, P! K8 o
- BNE Find_Begin_Enemy_End8 S- G& U- d& b, V T! s- t
-
4 h( M/ q% b. y6 S( M: _ - Find_Begin_Enemy_Check_Continue:4 h) [1 z) T$ r8 S# i# T
- INX& d$ Z1 \2 U H7 l
- CPX #$10( w c6 k% R2 d# v |- `* f, N
- BCC Find_Begin_Enemy_Check
& H# X$ j" f! R- ]$ [' m" ?% L - Find_Begin_Enemy_End:
& r6 q/ l, E% Y9 ]- i9 [5 O0 h - STX Enemy_Index_Begin
8 N( y) u+ _7 K4 }3 b6 H; g h B - RTS0 I5 U6 g1 ]8 t+ w% f, z
- , D* r: e/ |' T. S" a! D
- ;查找最后一个敌人
- ]4 J l1 O" } - Find_End_Enemy:3 P; V/ L+ l% d6 m: E0 k
- LDX #$0F5 |3 U$ h9 ~& e0 I& d4 P
- Find_End_Enemy_Check:
3 E4 u& P/ k# [4 N5 y0 _( J - LDA Enemy_State,X8 X; U: n& b# _& o
- BEQ Find_End_Enemy_Check_Continue8 i `" a0 K4 m F5 V
- LDA Enemy_Blood,X
2 @/ t6 c3 t/ ? - BMI Find_End_Enemy_Check_Continue
L6 S. g& l5 Y6 \8 l - BNE Find_End_Enemy_End* d8 n2 D" W+ s1 _% v* J# o
-
6 ?5 I7 E4 Q; L7 B* Q. g- h% N; Q - Find_End_Enemy_Check_Continue:
7 L2 F$ j+ Q: p - DEX( X5 ^' |9 _1 H
- BPL Find_End_Enemy_Check
8 D; m$ Z' @& m0 D0 E5 Q# C - Find_End_Enemy_End:. ?4 D C( E* O3 a' q
- STX Enemy_Index_End
1 x/ @2 G9 p. f2 G4 J* { - RTS; `8 J- m) t, `1 _4 D" F; q7 p
- , \* s4 L5 o% x/ T0 X3 h
- ;子弹追踪
4 Z0 d- e( Q3 T2 {" S - Bullet_Track:; B1 Q1 F# E8 G$ ^
- LDA Enemy_Index_Begin' P# t$ u/ f+ i1 I5 u! d
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;" j3 ^% M! T" z/ s3 v( h4 o
- LDX #$00
# a8 K3 V, l0 O7 v3 L - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)3 g' ]( [) d" X( U Z/ a$ ?' D
- LDA Bullet_State,X% Q& a. l% F( L" w, m* I
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
+ f6 I' `/ D' w1 U% N$ x* ~! q - STX Loop_Index_I8 i; o" U# V% \* Q; W
-
' {5 ~ w0 t. n, d1 C - JSR Bullet_Track_Enemy& Q' J$ s) U( ?# R( {3 N
- JSR Bullet_Tract_Direction1 U2 g& n% N. z* `* Z7 W
- 0 p1 x! \) [$ ^0 e& Q5 K `
- ;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
. n" ?7 a, }# I- P - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;! v' {1 q9 a& S' I
- LDA nEnemyIndex
+ A5 ?2 r1 K7 S - CMP Enemy_Index_End3 w3 K: W3 V; G
- BEQ Bullet_Track_Check_Continue; _' M/ v1 }! X9 }# U5 K8 b9 U; R$ S
- BCC Bullet_Track_Check_Continue
+ m0 ~$ ]$ C% {. ^* Z" W5 f - LDA Enemy_Index_Begin
- b/ k; {) e0 ~5 C7 N1 {0 U! O - STA nEnemyIndex
; H: Y. w5 S; W) t; i& ~% l -
) c0 p E$ U! P3 H, g - Bullet_Track_Check_Continue:2 f6 {9 S3 L1 K
- LDX Loop_Index_I
7 j6 [' Q+ }2 D" V - Bullet_Track_Check_End:
7 {4 u* V" e4 ` - INX. u) A* ?& B. T# q
- CPX #$10
q" n0 Q9 T T - BCC Bullet_Track_Check" x2 ~; m# _5 d* G6 e' H3 L
- Bullet_Track_End:
! }5 M6 Q$ S2 m0 ]5 q# g/ h - RTS
6 B3 t- f; o" Q3 n* J4 N - 9 ]' @3 ~3 m2 ~& C e: ~+ F& J
- ;给敌人分配子弹, Y* R0 R( ~. r) G6 t
- Bullet_Track_Enemy:
$ i' d& \' c2 T" |! _* Z - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)% p& o5 _" U! p, N8 d' n
- Bullet_Track_Enemy_Check:% E* `0 z* F G! {' k- v. n6 ~
- STX Loop_Index_J
* p2 m& k8 N8 q$ Q -
. H7 }1 x% a' L: g! a - ;if (0 != nEnemy[j] && -1 == nTrack[i])9 {/ u) B4 i$ o% B Y
- LDA Enemy_State,X
1 F" I1 M6 }9 ~4 p u9 T3 h - BEQ Bullet_Track_Enemy_Check_Continue
$ T; l% k( U5 G9 L! I3 _; V - LDA Enemy_Blood,X: R5 C% ^% O# N. C4 \, |
- BMI Bullet_Track_Enemy_Check_Continue! Q K8 |& o7 f0 s/ r# k
-
6 l) W9 k9 b0 m' e) z& A { - LDX Loop_Index_I0 C: z1 g: w+ {5 y
- LDA Track_Enemy_Index,X7 A! O/ ?7 b- y0 j* I
- CMP #$FF
1 z j- v7 n8 M2 G - BEQ Bullet_Track_Enemy_Init9 v8 M; F E4 l( q! b
- ( Y `( l v9 g- t7 I% Q
- Bullet_Track_Enemy_Init:
- j1 }: p* `0 J/ C5 d - LDA Loop_Index_J: |1 l" u. r- ?4 G# z' h8 x
- STA Track_Enemy_Index,X ;nTrack[i] = j;2 i: v: O5 u4 \. R
- $ U* b$ w( x/ z$ p3 ?
- STA nEnemyIndex
/ i) i( R" X3 f. `! F% d5 a: x! j - INC nEnemyIndex ;nEnemyIndex = j + 1;
: b x- Y" K: E) [* I5 m- h - RTS ;break;
* s/ S e4 {( w$ t! u - ! F! o% C7 o: x
- Bullet_Track_Enemy_Check_Continue:8 | b- ?* @! e/ ~* y+ v6 D# I
- LDX Loop_Index_J
\ I" r" u7 V! { \4 y1 D* R" L - INX ;j++2 C; e" I/ J, ?+ l! u# M" m
- CPX Enemy_Index_End7 K1 {: q; ~; s# ?* f5 i; \
- BEQ Bullet_Track_Enemy_Check
/ L% J% ~( q: p' x2 u+ p - BCC Bullet_Track_Enemy_Check
6 L4 t# [# f2 M' y, S' {) U k) Y8 a2 ~ - Bullet_Track_Enemy_End:
$ I$ v3 j5 m: e - RTS0 e T' T9 x- w7 ^, ]
/ l7 ^2 p; y G( Q ^- @' T- Track_Enemy:
8 G1 ?9 f F- Y: S4 G7 i" f - LDX #$0F/ Q8 T) N2 v8 L, R+ B5 F
- Track_Enemy_Begin:
/ K: f$ G( {! C; a) n6 D - LDA Bullet_Icon,X
; y' o7 D6 F- E1 E - BEQ Track_Enemy_Continue
6 ~+ I+ A) b9 K4 x - LDA Bullet_State,X/ Y7 z. B& w; x$ S* S- Q
- CMP #$01
+ {: d Y, ~8 @$ c! W& [ - BNE Track_Enemy_Continue) D$ r/ q- `; g, T! v, k8 N/ n
-
* T- t0 f7 Z" m8 {, [- c - JSR Track_Enemy_Process: G, A; g8 w {/ z* c! s4 s
-
8 M# J6 V, F/ ]: o& j' F; ` - Track_Enemy_Continue:
; O( c& h. v0 P. M" g6 N$ b# ^- Z - DEX1 Q3 _/ V! @% w# y$ m* T6 o) G
- BPL Track_Enemy_Begin
. I/ G w3 F5 K: l# Y - RTS! g9 m# y; O* ^! _1 b' Y
& i k4 X# Q- o# m l- ;普通关卡
* O; L. ~0 C; [7 \# O) A - Track_Enemy_Process:6 s! n1 j# }8 j9 s
- LDA Track_Enemy_Index,X
* k2 r5 U; q' A8 `( k3 s9 M% n - CMP Enemy_Index3 A# f( i& g) N2 l% e h4 H
- BNE Track_Enemy_End
7 B* S# G0 j# @1 b7 L4 u - LDY Enemy_Index/ L7 b& G- I! G
- JSR Track_Enemy_Y
& ?! @! \; Z% Y- l8 h - LDY Enemy_Index
0 T2 k+ D2 P4 @+ P" z7 t - JSR Track_Enemy_X1 [1 u. N R" `! X2 _3 ~
- Track_Enemy_End:
2 ^: {$ I5 O T7 O4 ^ - RTS; d( i, k8 J5 h
-
9 l9 \# \" J1 q, p. z8 `+ O - Track_Enemy_Y:
4 h* y1 t2 t- i4 b - SEC5 I1 t8 A) X3 L2 ^, n; h- x
- LDA Bullet_Y_Pos,X
% G0 h' ~$ `1 i - SBC Enemy_Y_Pos,Y/ h2 \9 E7 Y: q7 ~6 v+ b" p" ~
- BEQ Track_Enemy_Y_Equal( h0 G: I# `9 G! t' T. X2 A
- BCS Track_Enemy_Y_Greater l/ A/ O l* m+ N6 @
-
! u) z9 y5 n7 { a' F+ s: L - Track_Enemy_Y_Less: ;子弹Y < 敌人Y" }9 ]& A8 H _$ H9 K$ a
- CMP #$FC
7 }9 C7 I7 U1 D3 |/ u" r2 j - BCC L1_1% `( M+ l8 h( F
- CMP #$FE
5 g# p+ T2 B3 w& m' ]2 X6 w - BCC L1_2
+ J. b6 G. f% i$ ~ - LDA #$00" Z+ Y" c# J' k; O! ^$ p
- STA Bullet_Y_Speed,X& y& ]$ N$ W6 Q1 `. c
- RTS
' i& q4 U3 _5 ?; M" `1 \# q" b5 [* @ - L1_1:
# D; N! h8 C" J4 R* R0 `0 g( z' M* J - LDA Bullet_Type,X2 T3 b1 q# }5 F1 v7 M$ u% n3 ^
- AND #$0F
" b% g9 n! V+ o5 u2 S% R- e - TAY/ Z! y1 i; `) i$ r
- LDA Bullet_Speed_Data,Y
( D1 q1 f4 k/ A4 u - STA Bullet_Y_Speed,X* M' K7 i6 X7 O/ ?
- RTS
" ]3 i3 f& }7 ?4 n5 a6 [( \
/ n3 \& {6 M% T, |$ }: }# z- L1_2:
% ]% Y7 h5 n/ z$ ] - STA Data_buffer
, l7 r1 M. ?; v( ], m" t/ h1 D - LDA #$00
, L& g( [) ]3 O- l/ y3 ~ - STA Data_buffer
+ F5 z- h; ^3 L. B3 s - LSR p, \* {! I$ I, g: m9 } |0 V
- STA Bullet_Y_Speed,X2 n: R3 G+ ]# s+ \6 q! M" n- Q
- RTS
g1 J7 Z) S* o$ S) b - / ^/ o5 z2 O. X+ Z
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y( Q+ G. @1 C# G7 D4 [/ T/ I- @
- CMP #$04
: X; ?2 [9 r+ x' |0 J! z8 ~; d - BCS L2_1$ u2 z7 Z) F6 m! E( E
- CMP #$046 K5 l, O8 _6 c4 K
- BCS L2_2
' ~ w! g9 a+ L) b# `2 \( [9 ? - LDA #$00
n" I q! Z$ F - STA Bullet_Y_Speed,X6 O' q% Y) |3 e+ Q: T2 X- }, q5 w9 C
- RTS
& b7 H% G: {3 t& r4 R$ Y% i- G; Y - , { |( x" j' \" ]+ l {, T
- L2_1:
0 w# Q5 T$ i1 n# g' b - LDA Bullet_Type,X& `* m( ?% E9 w- k
- AND #$0F# b5 |8 C* c- R! c1 E5 ]$ v
- TAY
% a$ L2 }4 h/ M. X7 P3 w - LDA #$00
1 t4 C! n9 n3 Q0 I - SBC Bullet_Speed_Data,Y
2 v( q( G3 V/ Y* D' T - STA Bullet_Y_Speed,X* v$ ~% F* W: q: d5 G
- RTS2 f% ^5 {8 W- D0 i U
- E0 w; l$ y7 f' |4 }. g
- L2_2:
5 i" O# o% F" M! s+ s - LSR9 W4 L- O/ v- Z6 A* L% I- I) d
- STA Data_buffer
' X. C* _6 V0 @0 `& Y - LDA #$00& A3 j! r# E# i R1 P
- SBC Data_buffer! I' ~2 `$ k. g( p) h( D6 Z
- STA Bullet_Y_Speed,X% t& t1 e! w- g7 Q( v' Z& A
- RTS
. z( G( F$ U8 ^1 b& a# V- @* a4 { -
+ g$ Q" ]! S+ ` - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y+ ?7 C L4 p& {
- LDA #$00
: S) R' T( M8 f; G* j - STA Bullet_Y_Speed,X
; j) J$ t8 [% X0 K$ z7 l - RTS( ^& B7 N6 m* K- ]9 Y
-
8 {, T8 V2 \+ T$ |+ p - Track_Enemy_X:/ r3 Z$ c' o$ k( U$ M& |) r' b
- SEC$ }9 M8 e9 W! U* z; {" e
- LDA Bullet_X_Pos,X& Z x8 z2 _/ I( X7 V: i4 K1 H
- SBC Enemy_X_Pos,Y7 H' h* a) r5 g; d9 j2 p! F3 v
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X7 {; y: E) j4 e/ F
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
* c# t& c% S; f - ) g* s$ R @& t8 b) c7 x) F
- Track_Enemy_X_Less: ;子弹X < 敌人X
0 Y6 P( @- \' g2 r, B% u - CMP #$FC; Y% ~3 H0 { m" j: {. |
- BCC L3_1/ f8 G. B/ A% E0 ^
- CMP #$FE
8 b- }% Y9 g Q: @ - BCC L3_2
* D$ a; v+ O* j# `5 ]4 U. t - LDA #$00
% X% [+ V! g$ X; O& x - STA Bullet_X_Speed,X" i# E X1 {6 q6 }
- RTS* R2 Z- W# m/ A, F$ q& _2 R
- L3_1:
9 x% d" l2 L7 e8 ~ - LDA Bullet_Type,X
) O0 z: a& d, m% i, L - AND #$0F
, h( u0 d1 F, v: B# Y - TAY m1 Y5 n: o1 A* i; C7 @
- LDA Bullet_Speed_Data,Y
! m/ ~) i4 ~5 _5 |& h* }- M# f - STA Bullet_X_Speed,X1 n) C- ~1 w6 H0 k! W
- RTS$ [* o7 b+ ^8 o
- L3_2:
$ C. D1 p" Z: C- V0 j - STA Data_buffer
! g8 b ~6 V/ T! S$ p - LDA #$009 ?! ^9 E5 W. e" `
- STA Data_buffer2 g5 g; `8 {" G
- LSR! i \9 u9 L! J6 }: `
- STA Bullet_X_Speed,X% Y9 w6 |! q5 y, l0 f
- RTS: |' p/ }5 g, f& L
- + x0 O% i# t" [- t
- Track_Enemy_X_Greater: ;子弹X > 敌人X
& P* i/ r* v" N9 {8 i - CMP #$04! S0 r$ F( W3 @* A9 a
- BCS L4_1' g9 S6 B0 o( M. A
- CMP #$02
* R! T& B L9 v3 ] - BCS L4_22 a/ ^5 H% i1 c* p2 W" o7 I' [
- LDA #$00
" J2 C& w/ \8 R6 c7 J0 {* Q - STA Bullet_X_Speed,X6 q' ?6 j. h9 E ~
- RTS
& K6 o; y9 t$ S6 } w -
6 n" a2 I9 Y: ~3 l% H - L4_1: & p" F0 S! @- B
- LDA Bullet_Type,X9 n! ~+ z, o& | }
- AND #$0F9 v5 ^3 G! L6 G2 \2 y8 D
- TAY
( Y) |, \6 P9 P* D& R - LDA #$00
& \3 P$ t W# I; p- B( B - SBC Bullet_Speed_Data,Y0 |: W; s# y' p4 c: u9 L
- STA Bullet_X_Speed,X
. U* `( j& w* o1 D6 m6 E- F - RTS0 K9 h( Q: p% J2 N' S
- L4_2:
$ i) Z& k3 M4 ^% m7 c- z& W" l - LSR2 T+ d# h( ~6 u6 l" V: u
- STA Data_buffer5 q5 j9 W" |) Z6 r
- LDA #$007 w% X( |# G& X3 U& f/ ^
- SBC Data_buffer- |- ~' f9 G# Z+ m5 p! i B' J
- STA Bullet_X_Speed,X+ Z1 F8 C. |+ U: k
- RTS7 m5 o4 F5 T$ T# _2 u
- * \3 Q1 u- g+ h5 z/ `( Q
- Track_Enemy_X_Equal: ;子弹X == 敌人X+ v0 W. G) {" N5 h
- LDA #$00
& Z' ]7 z1 n" K6 n: _! D' j3 A" O# K - STA Bullet_X_Speed,X! `: }1 q1 l* r. v9 z) l( M
- RTS. z# R0 Z2 ^+ w# y1 {9 ^' O
-
6 O0 ^3 E+ e2 v h; ^9 O1 b - Bullet_Speed_Data:
0 _8 Z- D) |% u" p$ K W, Z - .DB $00,$03,$03,$02,$03,$03
0 l% r: u6 y* n0 i; t3 M8 y t - % O9 e* b% n3 A
- ;2, 4关
; s/ U# O% t, z# T7 _. P2 J - Track_Enemy_Ex:
0 K; Q0 T! `- b7 j- q - LDX #$0F
3 {; |# t. j( q, A - Track_Enemy_Ex_Begin:
% v8 p# b" S0 h+ M - . `; J7 t2 |. ?) V: _
- LDA Bullet_State,X# d J2 a! [+ E* J; q) V
- CMP #$01' K$ |/ }2 }7 ]" E3 q
- BNE Track_Enemy_Ex_Continue/ `# r2 K' k0 t0 Y
-
/ A5 O) l. ~. O/ V7 d* ^ - LDA Track_Enemy_Index,X- T! s) W3 i2 ~2 q/ g% g
- CMP Enemy_Index
" P$ S. t" h3 v7 y. m! p - BNE Track_Enemy_Ex_Continue ;匹配追踪目标, q; F' Q, M0 R' F$ y
- 4 G2 k5 {4 O. u2 ^! n
- LDY Enemy_Index. d* e, _# Q: w9 J6 R1 [% h
- JSR Track_Enemy_Ex_X
# g# A6 E6 E' E2 N -
$ c( `4 w( f7 m k: K - Track_Enemy_Ex_Continue:) P2 @5 n% q/ X* n, W; \1 H; V
- DEX+ `: F g, G; q, W! I+ ?$ c
- BPL Track_Enemy_Ex_Begin
# B+ b" G1 G- } - Track_Enemy_Ex_End:0 i- |, Y7 K6 E a k+ {8 {- a
- RTS8 L% g* }- m: ~: _6 }
-
1 c& M, n, Y; P S& W - Track_Enemy_Ex_X:
5 ?& J$ ^) d" z ~8 | - ;LDA Bullet_Z_Pos,X" b0 i! p2 O- h5 M
- ;CMP #$04
' U/ T# v* H e* C" ^ - ;BCC Track_Enemy_Ex_X_End
/ }" z, Q1 f6 L) p" \( B - SEC
$ `+ N5 @1 X4 R) D0 m - LDA Bullet_X_Pos,X7 J$ [& t8 ?3 Z6 b, ]
- SBC Enemy_X_Pos,Y1 w d! ^4 P- t# W- `: v: J2 |( ^! h
- BCS Track_Enemy_Ex_X_Greater5 J! ]9 B$ @" Y) I! A5 t% j
- : A) q( W* E% {9 V, a- d2 @& V
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
2 [6 H& ]. D8 O0 {$ ?) \, k - CMP #$FD
% v! r2 A' |# H0 j! `" m - BCS Track_Enemy_Ex_X_Less_End
6 V. z) U& Q' z/ o2 H - LDA $6020,X
$ w! w) E7 s5 }9 U - CMP #$2A% I. |0 ~& c, N, g# A
- BEQ Track_Enemy_Ex_X_Less_L1
% [# b6 U( ?' O- {, ^ - LDA Bullet_Z_Pos,X
( o6 v! H6 r L - LSR
* u% s" H7 d! H% A5 _! ~ - TAY
4 \6 A- `3 }% x a - LDA Bullet_Speed_Data_Ex_R,Y- J, m4 @" ~% U2 c8 T$ [
- STA Bullet_X_Speed,X
. f/ h3 i+ [3 O - RTS
) U& L4 f3 [6 Q4 {& x- L - Track_Enemy_Ex_X_Less_L1:
) L, N. R$ W; r! i( i% G! Y - ; ^5 a# G& S( s$ Q
- LDA Bullet_Z_Pos,X
+ h: k. ~) D* h, h - LSR5 u5 h6 w' I r$ y
- LSR
& O6 X: `9 m0 w. F" D - TAY
4 a! l) k1 s% D7 b: W8 s- q5 G - LDA Bullet_Speed_Data_Ex,Y! i& F4 B2 {3 g! n. z/ H
- STA Bullet_X_Speed,X
" a6 D# v) M7 q" Y$ Y1 O - RTS
. H2 V H4 C. b1 n - a- K2 i: \& t6 q
- Track_Enemy_Ex_X_Less_End:
: @5 _; [' i1 i: B5 y+ \! E- Z - RTS
6 i x9 g3 i8 _
5 h$ G X! g0 n' h% u3 R- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X3 S% ~* ^+ O* r1 {% J, [
- CMP #$03
7 h+ R7 r6 h: J7 O5 A% Z# z! y - BCC Track_Enemy_Ex_X_End
( V: j) A9 I4 E; @8 L - LDA $6020,X% w, M3 K/ P8 F* A; F" x
- CMP #$2A6 Q+ B( I% X9 D4 M( M
- BEQ Track_Enemy_Ex_X_Greater_L1: f7 I, G+ v% n R, }) y
- LDA Bullet_Z_Pos,X; A2 e, U$ D& k2 K) Z% e H
- LSR
! ?# C1 r! Q7 P" Q3 f) | - TAY
; V& p% W7 c _ - LDA #$00
5 }9 S5 {/ S& M/ U s) G - SEC
4 g! x1 N) D+ ? - SBC Bullet_Speed_Data_Ex_R,Y v- w/ A. H( r3 e8 m- i
- STA Bullet_X_Speed,X
' |$ J5 }2 I1 @' ? - RTS+ q$ q" u. j o" c) ]7 G k+ b
- 3 t( x! ]: P2 F8 H$ |
- Track_Enemy_Ex_X_Greater_L12 F6 T( O$ y. L: ]& f9 @3 \
- LDA Bullet_Z_Pos,X
2 H; K5 C8 W- o6 h - LSR
9 r, Y7 ?: M, ]6 @1 d - LSR
, j$ x- {- a/ O4 m0 b+ l - TAY
& _) B9 t8 O# W - LDA #$00
. M" u5 ]9 _6 U4 d - SEC
: y4 Q; k+ t1 i3 N8 d0 p - SBC Bullet_Speed_Data_Ex,Y5 [: v/ H3 b* i4 ]* f: t3 v
- STA Bullet_X_Speed,X; c6 t% \# D! k6 N& y
- RTS4 l. @- M* Y- @0 v3 ]
- 6 M! }( y6 I x$ @, V# J& ^% V
- Track_Enemy_Ex_X_End:( p k$ | P9 t
- RTS
' h. b# _6 i/ }1 @# v' K, H - $ v+ S3 w& t7 L. V
- ;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)* G* H, J0 `2 q) I1 p# S
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上0 I& d: N- w$ [+ P
- Bullet_Tract_Direction:) K+ Z2 ?' ]. h9 q, p
- LDA Bullet_Icon,X
% U& s+ \- h- ]! M. a2 ]$ K - CMP #$23( v- v3 ^2 Y; p9 r9 |7 q& o
- BCC Bullet_Tract_Direction_End4 `7 x4 S9 B4 o5 k+ _
- + s: k2 `/ ` j3 m! j2 {
- ; X != 0
; v4 O: O4 J/ \- ^( z - LDA Bullet_X_Speed,X! D3 U5 C O2 i# ]" I* U
- BEQ Bullet_Direction_V% e4 g |: H$ V% E+ O( s
-
& \. s% ~7 ?" F3 D S - LDA Bullet_Y_Speed,X4 k1 Z# |' R4 d% R: Y
- BEQ Bullet_Direction_H( P' i- {; y6 D; N" ]5 i+ |
-
$ M/ N+ W" G& K( I - LDA Bullet_X_Speed,X
/ h5 D, ~3 y( x( t% T - BPL Bullet_Tract_Direction_Right
+ J2 ?/ M& ^, ^' ]! i. v5 Z. C - Bullet_Tract_Direction_Left:1 W/ q& k& H X' d( J/ _
- LDA Bullet_Y_Speed,X
! O4 w- u/ a+ x4 X F2 n - BMI Bullet_Direction_Left_Top: K/ `: C2 a& i: v, K( |1 v
- BPL Bullet_Direction_Left_Down. o& A7 k: q: e1 C$ j7 _
- Bullet_Tract_Direction_Right:# g' Y1 z) S* e; _$ O5 N
- LDA Bullet_Y_Speed,X/ O6 Q/ Y& A( K, s! D0 E
- BMI Bullet_Direction_Right_Top
2 f, z. X+ b3 ]( `( v - BPL Bullet_Direction_Right_Down
' P7 T d$ c2 `( E. X: @; W2 x - Bullet_Tract_Direction_End:
5 d" @, J4 |" X: @( c7 q- b6 b - RTS: t; j5 _9 g6 S+ z3 l+ a
, v8 K" h( L7 [* v: G- Bullet_Direction_Left_Top:7 I* d: E9 U4 P8 D3 M/ F _
- LDA #$253 t7 Y7 x4 H0 m) W4 Y
- STA Bullet_Icon,X
- @& }" o6 _( k: |0 N - LDA #$C0
8 ~: x2 |; K4 x A! k - STA Bullet_Direction,X- t( P8 H: V! s& Y
- RTS- _# f+ ^" s/ B" b3 T2 y
1 w0 l* _& H- l) _# Q; S! k- Bullet_Direction_Left_Down:5 x, a+ S8 i4 @8 B9 S- {
- LDA #$25( R( N. k* D. W# ]4 f7 C. |3 U
- STA Bullet_Icon,X
9 V: @6 P2 n [' T - LDA #$40
7 g3 S: [! M6 O" A/ E - STA Bullet_Direction,X6 ~" w6 f5 m# M% Q2 j4 w
- RTS
& a( g( g( O3 E% |% Z; U+ i+ v, P - 5 E! A! V5 c a; q: ]
- Bullet_Direction_Right_Top:" b; s) T, f" k2 p) T$ @% ]
- LDA #$258 D0 G3 p7 U3 P4 b! X( J, r( \
- STA Bullet_Icon,X9 M# v, k1 n! q) I/ Q+ R
- LDA #$80
* D+ X; V3 \- j5 @4 G1 m c- \ - STA Bullet_Direction,X
6 f# ~+ t* r# U& D - RTS
5 P2 ?/ }5 y# c: B C m4 l" B
6 u% }$ m( J" d9 i5 u- Bullet_Direction_Right_Down:4 I0 ^" ?9 E+ P4 f7 ^
- LDA #$25: j# V; z8 M3 R5 C8 p/ f
- STA Bullet_Icon,X
9 V* p) C! y0 K4 n7 S - LDA #$00
0 x6 k) T( w% X: _5 N- T. h - STA Bullet_Direction,X5 J& Y% C. ^! O
- RTS
2 z. Q" ] G* l - 9 @4 q$ Z6 a1 }
- Bullet_Direction_H:
8 d# Z3 }& ~; L3 a4 ~6 R! J- q% Z - LDA #$24/ D6 F+ {# ]1 U4 d/ _! T
- STA Bullet_Icon,X
; `" ]: o% G0 F& ?0 _$ [ - LDA #$006 y! H! B- e% _& N% Q- [4 R* X
- STA Bullet_Direction,X+ }* |; ?( a0 V, z& r# n
- RTS! Z* p7 E. k! S* J- V+ m
" t' i- V$ ]5 }9 K2 i- ]) ]- Bullet_Direction_V:0 O+ F- R# n1 @; l. J" a- i
- LDA #$23
# o1 B: i( A0 j - STA Bullet_Icon,X4 S# \! z" u# `9 _
- LDA #$000 r! O4 i+ K( I& K% O! U
- STA Bullet_Direction,X
8 A) |6 B3 I; w% a# i! M0 A' T1 d6 b - RTS- l$ i6 g' E1 n, ?( a+ F- @
- 8 O1 g y0 ?, j( M x$ p
- Bullet_Speed_Data_Ex:1 n7 J) W; } L* t2 b9 g+ k+ ~8 O& r
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04; m- F0 G: r5 p
-
0 k% } D7 D/ A. @ y: T) X, E& c - Bullet_Speed_Data_Ex_R:
" _% M. A0 R* |, R - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
/ F6 D! h. \9 n, x3 x/ D1 j -
复制代码
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