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[FC][魂斗罗][J][追踪弹]4 A/ v$ k! f# X8 `
2 \) P' M0 N0 q+ I5 ^. d6 S时间:2023.04.30 o% a8 M- V) D
作者:FlameCyclone
/ w/ l% c3 U5 n8 i5 x D内容:
, ]% ?5 V* P) J2 `7 P) b 1. 所有子弹追踪敌人
S8 u2 [ M" L- @ 2. 选择键切换武器" r8 f4 M2 \$ k3 m9 {- 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
4 w$ M" H) F! G3 o0 T5 W. ?# Z7 K: s$ P7 T# p2 @: F
flamecyclone.ys168.com: M! N" w; y" i$ {" J' P& m

' P& `7 M- k" z/ H, S9 f% C# R- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
% |) q1 U' a4 h/ i5 n: w& e& F' O - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L. f* f' r) f" ^
- 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): [* _* p, q: P4 ]( F
2 q4 b1 V/ K F) z- ;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)8 x: b9 U/ R0 m3 x. w
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
0 C/ j8 h9 M/ P; y4 z& g4 i: ]
; F" A/ j7 P' q. o2 }8 j' v( F- Track_Enemy_Index = $6000& o$ z. j. k' Q/ x
- Enemy_Index_Begin = $6010
7 a/ a' i8 k5 `5 H+ g3 F/ ? - Enemy_Index_End = $6011* r2 X" L5 ?% s f3 \
+ T) G0 h- Y- e& V( n; F0 R" k- Loop_Index_I = $6012
/ F8 W* D) g' ]" o8 ] - Loop_Index_J = $60138 _( U: u3 v* v# U
- nEnemyIndex = $6014
. g; l% S- t8 Q5 d3 n Y - Data_buffer = $6015+ f( c$ y- \& @, k/ c% ]* x
6 b K5 G. K0 L6 e1 k- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
& I% U& k# }, H6 ]1 G - Bullet_X_Pos = $03C8 ;子弹水平坐标
" I8 l5 \) P% C; n1 P- G1 y+ R - Bullet_Y_Speed = $03F8 ;子弹垂直速度
2 @5 a- f& g w8 } - Bullet_X_Speed = $0408 ;子弹水平速度) Z: ~" t: U: S- C. }4 M& w8 q
- Bullet_Z_Pos = $0418 ;子弹Z坐标4 [3 B& N/ U! h' O6 q
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P) | N5 W7 ^: U
- ' p1 x& T, [0 C5 b8 h3 ^$ `
- 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
, a* N H3 G5 ~- X - Enemy_Blood = $0598 ;敌人血量
4 @9 p. s- M, J8 ~% o - Enemy_Type_Addr = $0528 ;敌人类型
: y3 { |+ D% [. s0 z/ N - Enemy_Blood_Addr = $0578 ;敌人血量
6 t' m( ?6 I2 r' X# O - Enemy_Y_Pos = $0324 ;敌人垂直坐标* i/ j( I$ p8 P" ]2 @
- Enemy_X_Pos = $033E ;敌人水平坐标) r9 l1 j6 M3 \2 \% B+ I$ i
- Enemy_Y_Speed = $04E8 ;敌人垂直速度+ D+ Q" P# P, m
- 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
& m y: x- _3 _7 \* l# n" K - , |3 ?6 T0 h4 q2 r9 ]* i4 c ^7 ^
- Enemy_Index = $83 ;7 \& X' D: Y7 K4 x. ]' x* I
- Time_Count = $1A ~2 h6 f9 d% ^7 L# r& j$ Y' D; O
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率- w& {6 ]- @9 ^5 m
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
. x) a$ }* K" v/ I' W
" }' A" \$ K# o# D- V# X: t
1 |) H/ y' ~) _8 |2 y9 }- .ORG $6100, ?# n% }; h# v1 q o; y( b
- Process_Begin:+ ~, k9 ^6 ], P& e) C' |( s! P
- JSR Enemy_Check* z) m( Y* ~8 `6 _& h$ _; }6 b
- JSR Track_Enemy_Check; O9 X$ |7 b: |7 I# `& D0 ]0 n
- Process_End:1 d+ G" ~$ U8 F4 q- W! i
- JMP $E54F6 u; ~8 V" u& M5 O
# Y% `; }9 Q, O5 I9 {- Enemy_Check:
7 z; H7 W j9 |7 T/ A& b - LDA Time_Count
p% u+ x2 L( ^8 P - AND #Track_Bullet_Speed9 }' K! a+ B& k7 V5 J
- CMP #Track_Bullet_Speed3 f$ E# D$ m+ i% c0 j
- BNE Enemy_Check_End
! w9 `' o6 e$ l) C1 @ - LDX #$0F
* u( J1 p" C6 X8 ?7 Y9 y - Enemy_Check_Begin:" I/ V4 s& ^5 @9 p* T0 S
- LDA Enemy_State,X/ y6 k% T0 g/ I6 f0 Q; v
- BEQ Enemy_Check_Continue
3 b% l8 X. a' Y" E, o - STX Enemy_Index
% E" L4 F, K% _5 q* [ - JSR Find_Begin_Enemy
( ^' X& f# N. s; g/ R - JSR Find_End_Enemy
- z$ l1 X# {7 x# L' b K5 m - JSR Bullet_Track
9 C# s9 X# t8 ]2 T L2 w$ P. e% g4 g -
' P2 x3 p+ F; o% e2 F( y - LDX Enemy_Index
]; [8 X3 q; D7 U Z9 R - Enemy_Check_Continue:4 F7 q ]3 T" v; H' Q) \
- DEX
8 ?0 r1 s" V* |% R% u - BPL Enemy_Check_Begin
6 V7 B' x# S0 g - Enemy_Check_End:; ~1 F, K/ B5 X4 N* g6 q& K
- RTS
% D) {6 v# P* i% Y* o -
9 p/ R9 k& u7 ^+ [% D - Track_Enemy_Check:
$ Y3 f; |- d7 \. g$ K$ j - LDA Time_Count
2 g) t$ Z# Z5 Q - AND #Track_Enemy_Speed
3 Y& k$ q# i0 ]& D" K - CMP #Track_Enemy_Speed
; d) _$ y1 _7 i3 g0 G# [6 G0 t$ t - BNE Track_Enemy_Check_End
$ D: A5 p+ o. w2 [8 f% e7 r - LDX #$0F
8 t4 ~( m; {. \, W, ?3 w - Track_Enemy_Check_Begin:+ c- g F+ u S* {7 {
- LDA Enemy_State,X
: }9 K; a2 v! \! Z$ w3 f l - BEQ Track_Enemy_Check_Continue
& H4 O% m$ K6 r2 u - STX Enemy_Index
0 _# w8 t8 P4 L2 Z* j" ~ -
5 R* [' l2 J, x5 w. ]8 X/ A - LDA $40
/ A+ r/ v" n$ S# i$ s8 e - LSR
/ D% O: C% z) ]; B3 _ - BCC Track_Enemy_Check_Begin_L1
! ~# [" V3 y- b: i7 ? ^$ n& l -
! e' Q7 N) k! G, i - JSR Track_Enemy_Ex ;2, 4, v4 P$ Z/ q' l. P$ }* |
- LDA #$00
F: A6 _+ }( O6 y) c% S - BEQ Track_Enemy_Check_Begin_L2$ `3 Z0 B8 W1 g+ W0 B) r* ? T/ m$ r" l
-
3 V; U- L4 E% `" Q' V - Track_Enemy_Check_Begin_L1:) e$ @% F- H7 v+ z
-
# J: c U' d/ K& { - JSR Track_Enemy
8 N1 }9 m3 L' ?, F& H% g; Z( ?& k: l
l( `. C t6 C3 ~/ }& ^- i' w" ^- Track_Enemy_Check_Begin_L2:
0 [. w5 Q( w: R; s) O1 G -
2 h" J2 z& N1 M) `8 L - LDX Enemy_Index
0 r3 ]; [" w0 E B. }3 c - Track_Enemy_Check_Continue:
( ?2 B+ S w6 S0 {4 |5 ~# K. n - DEX
( s0 u5 h' X V2 s, h2 K3 c! ~; D; J! d - BPL Track_Enemy_Check_Begin S% W* u$ f1 Q
- Track_Enemy_Check_End:
% X& ^4 y. @8 R- j - RTS
9 w2 K- G. `, w - ' M/ y: N+ n9 M6 J& ]8 _
- 6 [/ p7 c! d z/ y( M, p( S% t2 @8 `) Z
- ;查找第一个敌人% }* ^3 P1 T, `# ]( N4 o7 R" ]
- Find_Begin_Enemy:
2 i; }. H5 t6 a3 J - LDX #$00( Z" K2 h3 e* p
- Find_Begin_Enemy_Check:+ q; K/ `1 a4 u# G5 }! f/ U
- LDA Enemy_State,X+ i& F$ e& f9 F3 p
- BEQ Find_Begin_Enemy_Check_Continue$ w# J* _ R7 m7 ]2 H
- LDA Enemy_Blood,X. b0 P6 u: a# f8 E9 i$ @
- BMI Find_Begin_Enemy_Check_Continue
4 i9 t3 f, _4 n7 ?$ Z7 C( Y - BNE Find_Begin_Enemy_End
( }2 Y" k7 Q; e: s s9 l - 2 v7 a+ t6 K! ~/ P+ O$ S/ ^6 `9 j
- Find_Begin_Enemy_Check_Continue:
8 s; d2 u& z, Y$ a" p# \+ `6 L - INX' s: c' O' D* d- n7 B/ _( h* e
- CPX #$10% y7 B- g9 V4 o. ? R' {2 R J/ K
- BCC Find_Begin_Enemy_Check5 l- V5 U. n$ B8 W! v
- Find_Begin_Enemy_End:
9 E7 ^+ W* c3 a' H, D - STX Enemy_Index_Begin; c; k6 H" T1 H3 k
- RTS- Q5 L/ i* {: \: p& a; a* }
2 k& P9 a" V; q: Z- ;查找最后一个敌人6 u1 K- Z4 c6 }9 K+ }$ o D* M6 E
- Find_End_Enemy:
* A5 t+ c0 s- `1 H. `/ ] - LDX #$0F
7 q7 x- q+ q: Q# {1 S- @ - Find_End_Enemy_Check:5 l4 V4 l+ G% p1 I. x( W
- LDA Enemy_State,X
) l# g8 k, Z; [6 w/ v+ {8 y - BEQ Find_End_Enemy_Check_Continue
4 k3 l; u4 u# I7 d7 o/ E9 [ - LDA Enemy_Blood,X
+ _2 e7 K/ H! U T& v - BMI Find_End_Enemy_Check_Continue
- e. E+ ?9 k" a3 O o# n, Q/ X" C - BNE Find_End_Enemy_End
7 g) V6 U7 w5 d8 v& C - / r$ w7 u& k# ?2 d2 f+ |% i
- Find_End_Enemy_Check_Continue:
3 }+ Z# s6 E1 l* c7 S" y$ F - DEX
$ i" ^" x. Z' ^: W1 {9 I8 x& G - BPL Find_End_Enemy_Check
9 [: U) L1 Z) y - Find_End_Enemy_End:! E% @' z: ^8 y! Q2 T3 F- c
- STX Enemy_Index_End! i9 x3 x& v/ V4 T7 L
- RTS4 S. ?* h$ g9 H" M4 u4 p
- O0 \+ H4 T! e- ;子弹追踪
2 h/ Q/ g7 ]6 ^4 N+ G8 \, H* H - Bullet_Track:
6 Q7 d! s) w O - LDA Enemy_Index_Begin
3 W% ^4 N4 Q. \& D# A; N: U+ ^ - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;9 m* {& `7 u. R4 N' |; b+ ^8 ?
- LDX #$00
: u1 x/ y; K4 k [) t! Q- G% Z) p( p - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
2 l& H& h: w( I; j# C) s" L1 ^( k - LDA Bullet_State,X
7 a4 v9 d2 x K9 [# } - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;4 p8 H& Q4 G) | [' F2 T+ Z5 i
- STX Loop_Index_I4 r- z- k5 h2 q' s: S4 y( Y
- / G3 X1 ~2 z; ^: k
- JSR Bullet_Track_Enemy. H. d3 r/ y: {8 |" r; I7 {
- JSR Bullet_Tract_Direction. F, {$ o6 i" d- c& |
-
9 w/ U4 ^& R) ~ - ;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' Q; C. q, b; J" `* a. x5 S5 G
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;: U( |+ b9 ~, L% h6 H' N4 B8 N
- LDA nEnemyIndex
1 i* h% O0 L4 V, T. [- Q - CMP Enemy_Index_End
8 @2 L$ h8 I5 P# M - BEQ Bullet_Track_Check_Continue
. q+ N, v) G# i/ }( @5 O2 L3 v - BCC Bullet_Track_Check_Continue) N+ e7 m$ i- S# Q
- LDA Enemy_Index_Begin" _+ ?$ v2 C- z# U; z
- STA nEnemyIndex
2 m7 ?) h: r* N! C7 }, k" |) O2 i -
d' r# s$ w, \ - Bullet_Track_Check_Continue:
" a, m6 ^+ ~- }9 h6 \+ C - LDX Loop_Index_I' D/ L {; s p/ r1 u1 s* \
- Bullet_Track_Check_End:% x# N* t# C6 O( a4 I
- INX
5 f0 Z5 }3 k- V! b - CPX #$10
G" d) v. T& K) i* ]. w - BCC Bullet_Track_Check
: m7 q# {: R- X, V/ v# }8 q - Bullet_Track_End:( M$ T4 x2 p7 X8 a- X
- RTS
% E2 @& g, o5 n8 W [, Z* B. h - . C. b% ]0 i' Y0 y3 `9 n$ d
- ;给敌人分配子弹0 t4 V4 S, O' z& x' _
- Bullet_Track_Enemy:' R. t! D; c& D
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++) n/ ^* b B: ?9 ]: B/ l" H
- Bullet_Track_Enemy_Check:" g" e8 z) ?" b! M& a
- STX Loop_Index_J% d5 s1 B3 U* w( h
-
; T* y6 E! N3 e+ A' d, R J0 q - ;if (0 != nEnemy[j] && -1 == nTrack[i])+ q) [- _1 ~: A4 Y8 C) y- ~3 B6 @/ z
- LDA Enemy_State,X
3 q; h4 Z9 O2 j - BEQ Bullet_Track_Enemy_Check_Continue; x ~+ r; h- B1 a, O( a, _/ a
- LDA Enemy_Blood,X; Z7 y* a/ R0 Z1 o$ H; T
- BMI Bullet_Track_Enemy_Check_Continue1 l6 [, Y/ V4 p
-
2 `9 l, m$ g) q8 w6 ?: n - LDX Loop_Index_I
$ D3 u9 U% P6 a) Y! {/ |; [8 _' x - LDA Track_Enemy_Index,X
! u0 j- l" G! t3 G9 g1 F - CMP #$FF) a# V) l5 Q1 H& p$ r
- BEQ Bullet_Track_Enemy_Init
/ }3 `1 I) \* E/ K/ u& s -
& ]' x. a2 r% r% A! K) H' K - Bullet_Track_Enemy_Init:& @0 U+ Y+ I, [8 b1 v* [- v$ V
- LDA Loop_Index_J1 a4 s1 Q# X! L" U: t% B0 ~6 }
- STA Track_Enemy_Index,X ;nTrack[i] = j;! u5 |- D1 E" l! H
- 7 `/ t4 {' ]: Y- T
- STA nEnemyIndex
' _9 v1 R% c+ T# V! k! e8 d$ u - INC nEnemyIndex ;nEnemyIndex = j + 1;' t* J+ L, ]% L- J
- RTS ;break;4 Y$ D1 E# E* i: Y/ e
- + p' ]: A; q8 u2 k) V% D
- Bullet_Track_Enemy_Check_Continue:
1 S/ W$ ~) d; [ - LDX Loop_Index_J% `6 g3 m8 D& J5 p. G
- INX ;j++( F: p1 I7 Q' c: T L
- CPX Enemy_Index_End
) a1 H% S! K9 V1 n" n6 k( v! @ - BEQ Bullet_Track_Enemy_Check
/ _4 P- ]4 s/ q8 x& ?7 W4 Y - BCC Bullet_Track_Enemy_Check
! ^8 [( J8 B6 h, D; ^2 c, D7 n - Bullet_Track_Enemy_End:
5 x5 i, t8 J3 G9 d0 i7 I - RTS
( ^+ {% z" u) ^( a& Z: x
' Q% q- I( z' z Y. h- Track_Enemy:
- I5 v7 D2 }" c! u' M% Y) T) y - LDX #$0F
6 G- U0 q4 Z# g6 |, ` - Track_Enemy_Begin:/ D+ f3 _" {6 R; D
- LDA Bullet_Icon,X) Z6 v0 `/ p) m9 Z# `
- BEQ Track_Enemy_Continue j$ x, r) q! u# G
- LDA Bullet_State,X
g5 z5 }- f: }' _% D, {$ l( U - CMP #$01
' H( }# `* w+ v' F+ y& D - BNE Track_Enemy_Continue, o$ Q1 ^: N" Y7 Q
-
9 J: O7 J( f' h( E - JSR Track_Enemy_Process
3 l; M- w* W5 t - ) y# ]# D7 Z2 T$ M& R/ Q3 }$ W. w* G& U
- Track_Enemy_Continue:
$ U8 @4 h$ f8 N r( G4 H - DEX' P. D& {! o0 x
- BPL Track_Enemy_Begin G- T2 T+ B# ]0 A: U8 D! a; Z
- RTS
( @! r* _' F' E! g - ! R( a2 t' w$ w$ f8 }9 a
- ;普通关卡+ ~4 |& Q+ ^$ R7 Z b' o/ b
- Track_Enemy_Process:
7 b/ T1 u4 }0 c" C - LDA Track_Enemy_Index,X
7 C1 ~0 k5 [& X p3 G: s, X. T - CMP Enemy_Index
4 t, o6 ~% o& m* o2 z& D - BNE Track_Enemy_End
4 D: p) y/ P7 Z4 S, V - LDY Enemy_Index" H+ @+ y2 |* D6 i2 u0 j6 \( T# I* f
- JSR Track_Enemy_Y
3 v5 c- w0 Y. |1 `1 N1 c/ ?5 v& T) H! L - LDY Enemy_Index
6 D0 \& y% D& ?- K, ^$ z - JSR Track_Enemy_X
6 E9 X, n& X( d2 v) @. J" | - Track_Enemy_End:
+ o) H; I( d. B& V7 F+ B - RTS5 x2 S% s$ N* W) k6 D& K! R, f
-
* a! ?+ M; l; l, i' x7 s: } - Track_Enemy_Y:' A. m' _; g0 ]
- SEC
3 p5 E/ V* G2 x" c; O8 q5 `0 M - LDA Bullet_Y_Pos,X* ^- k0 r# t' u" B; t
- SBC Enemy_Y_Pos,Y- t0 ^1 o7 w! b! K m: I$ M
- BEQ Track_Enemy_Y_Equal* }5 ?: ?* X6 `
- BCS Track_Enemy_Y_Greater
# r* F- w% c8 b0 ]" O - 2 n- W5 k+ |/ i: {( F% Z+ ^
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y7 t" D* ~2 N* c5 `/ d
- CMP #$FC
# D2 R! o8 J5 |! A - BCC L1_1
$ C+ C8 I& G* v0 {& w4 M3 I - CMP #$FE
2 h; |- f, Y z - BCC L1_27 x- R- D" h8 X7 h+ }
- LDA #$003 ~* Y9 [. Z) A7 L8 G$ {
- STA Bullet_Y_Speed,X: n/ d& Y) ]! B& f1 U% u9 C9 \# p5 v O
- RTS. R) }& ?6 D5 u5 e% P& L2 q% r% M- ?
- L1_1:
+ M- ]/ i0 k' r3 K; S# S( P - LDA Bullet_Type,X$ C8 H% P5 ?& X6 Z1 U
- AND #$0F
1 E j" d3 M V4 K4 P v - TAY+ U K. h! q- o5 A8 D* U
- LDA Bullet_Speed_Data,Y
7 U8 P$ N- _7 |& b- @) Y - STA Bullet_Y_Speed,X, s- t2 `. g7 W, H( n3 t
- RTS
3 z: L- I5 P/ ^ - 5 u! G$ G: j! B* Q6 E% l
- L1_2: 1 S0 M( A# q6 q7 g' b4 e
- STA Data_buffer {$ z0 w: ]; |4 m9 e3 h; s
- LDA #$00
; y! d; U! V4 y$ K( U" s - STA Data_buffer9 i/ u' B* j( c( h8 M
- LSR" T2 d8 e" B; s- T- E8 L
- STA Bullet_Y_Speed,X
1 Y: Y! ]; ^+ l3 Q% P! n* i - RTS2 {4 I& Q9 {" I" O3 C* o
- # g% t+ B: L9 B# I- t# L& H% _! f' [" S8 N
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
) ?) p% x7 |, V+ N7 g. b - CMP #$04! c8 j7 c# Q6 T& Q$ ^- o
- BCS L2_1
% m: x9 W" }# K - CMP #$04
- v/ @# d5 d: c6 x - BCS L2_2
* W$ v* g3 R+ g" ?" O/ V" A$ a9 | - LDA #$005 Q; a; }$ r! k9 i
- STA Bullet_Y_Speed,X
, n% J1 J( p0 P3 j, R9 W - RTS: K: m3 J- s- D( ?* d; n/ O. f
-
( Q5 a) }& X) ?' m. l; | - L2_1:8 N' e! z6 q& ^( I* j7 C
- LDA Bullet_Type,X
: B3 [0 j2 H% O7 S: Z% @ - AND #$0F
4 D9 s6 Y5 j; i6 l - TAY6 ]1 T' R) n) X7 a% ]. V
- LDA #$00: \0 R& _! d' c6 [( P
- SBC Bullet_Speed_Data,Y9 u0 ~# e, D9 h8 f$ ?- w
- STA Bullet_Y_Speed,X
: n3 R! \/ l4 B# J - RTS
7 d/ ]: T7 k7 x- e+ t -
" ]1 H. r$ Z5 K g6 @6 v - L2_2:
8 J4 q0 B7 W6 h) | - LSR
1 i4 Z1 O, p; |, e; o8 c+ h - STA Data_buffer
. V% Q* p" K) v9 } - LDA #$00' `% w2 i! d: A, V$ t: D) {
- SBC Data_buffer8 u6 C" w( u1 ~* y+ w2 k
- STA Bullet_Y_Speed,X
7 D) k! H1 f4 Q. ` - RTS7 @4 ~2 a# z4 [' v; e0 S5 \! O) t
-
2 P- {6 m0 N! C: y - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 U' R, D0 Y6 p0 t6 @8 W
- LDA #$00+ Q; Y' J) a6 n/ \
- STA Bullet_Y_Speed,X
" v8 j( @8 B. c0 n* c7 o - RTS
9 K; r% M# i1 B8 T8 [% g! F - " |4 [! Z4 s+ I6 ~) ^' U! j7 l
- Track_Enemy_X:
0 G8 i7 q, F6 f' M" C - SEC
2 ]3 i( o. P+ ~$ k+ q - LDA Bullet_X_Pos,X, I& n {: ]7 }9 X0 z) v
- SBC Enemy_X_Pos,Y) U1 K) X+ L% W7 b6 E8 \
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X# m w0 n! v7 D& ^: b9 b
- BCS Track_Enemy_X_Greater ;子弹在敌人下方& H* l/ _1 z0 n+ `% D8 [# v
-
( E+ Z/ |: s8 K7 g - Track_Enemy_X_Less: ;子弹X < 敌人X$ j. L; V0 `$ S/ N, v: k' L4 X
- CMP #$FC1 T9 Q" i* ~# m( z
- BCC L3_1
; W* P# U! r" n - CMP #$FE
& ?: O/ {! ]7 E" t - BCC L3_2- c! h" b5 Y( X1 D
- LDA #$009 \) z2 p' G& C# d/ U1 C$ A
- STA Bullet_X_Speed,X, J0 F$ b/ } u2 \
- RTS6 R; [# H" @- m* W! Y/ L
- L3_1: - ?3 X* g p1 x( W _
- LDA Bullet_Type,X3 X3 a5 L1 R/ o. h# W
- AND #$0F
; f5 q3 t% O! W ` - TAY
0 h( S: n( H0 V: B - LDA Bullet_Speed_Data,Y8 s" A8 t" O! L
- STA Bullet_X_Speed,X
. T8 z4 Y L. h) v1 j/ W; L - RTS
, G; O9 l) O+ a& Y' A5 G* F" N% z - L3_2:
6 @4 V1 L. Q9 G5 o1 y1 d& C - STA Data_buffer: G" \& r+ o/ F w9 B f5 Y
- LDA #$00$ D" M' w' L4 ~; q+ m6 X, `
- STA Data_buffer7 E; T) x7 D7 \3 B- }
- LSR
, V; }" t7 r" i; O- g - STA Bullet_X_Speed,X1 ]5 \0 b' t% c& _! S( k
- RTS# @- j$ N+ y' H
- , g c: B8 d2 V0 I7 F6 }% D: ?8 b
- Track_Enemy_X_Greater: ;子弹X > 敌人X
# ?' _" c8 h: h$ {7 q; s0 [ - CMP #$04
. B7 i, V5 L1 h Q - BCS L4_14 m% W" x6 Z7 G9 }, Y
- CMP #$02$ a6 I/ x" h) \+ s
- BCS L4_28 f* t- }% }; y
- LDA #$00: h/ d3 _" N" d. @4 q6 m
- STA Bullet_X_Speed,X! v! N+ D @. H2 O5 _
- RTS
" L2 {% R3 a) l& g8 _ - 2 o0 ?& _1 c" O" u
- L4_1:
/ S6 O0 f2 [' W( p7 m: R9 B - LDA Bullet_Type,X
a d- |( ~+ @' q: V* \% p - AND #$0F
! d# c7 R* i: E/ ^( m5 F/ c# _ - TAY
& D: R# r8 J( \) E - LDA #$00
' }# _: G T. T6 G8 l1 w2 |' p- O - SBC Bullet_Speed_Data,Y
' T3 C; b2 x' U/ R* m - STA Bullet_X_Speed,X) P, W+ ?1 S. F) k7 x$ x
- RTS
4 x! p& ^4 G+ m/ r8 A% a - L4_2: ; e: p' [$ @. c* `6 K7 j
- LSR* r. n7 B1 V: @7 @
- STA Data_buffer
8 O8 s( [ F7 i1 m - LDA #$00
' \9 J9 m; V' y" V - SBC Data_buffer
2 e* A& `+ K3 M4 [5 @ - STA Bullet_X_Speed,X3 Y5 ]) o- R S7 h; ? M8 e2 } D
- RTS
0 J- r2 `- ~; l* I - 7 B4 L4 w ~9 N/ O2 i
- Track_Enemy_X_Equal: ;子弹X == 敌人X
, { i* t! [: B$ @) i - LDA #$00* ]: H3 U1 e$ S2 s, a
- STA Bullet_X_Speed,X1 F, b1 o0 e6 G' [$ k V
- RTS
; O* A/ A$ D% |- Q - : c _6 n: J) _7 z" q7 R
- Bullet_Speed_Data:- i2 @4 J# N9 H0 W1 ]' t6 X
- .DB $00,$03,$03,$02,$03,$03- `6 Z8 `" c* j7 D/ z
-
1 C! o9 ~+ t8 x% x) ? - ;2, 4关+ k. i, U N4 U+ d& v7 \" S
- Track_Enemy_Ex:
; q2 D2 w* W, E5 c: a - LDX #$0F. @3 O% R6 I# t: c$ l% P5 V1 ^
- Track_Enemy_Ex_Begin:
! ^- y- K9 ^! s. E
" n' r3 M- L0 f: H- LDA Bullet_State,X
8 o' j; g! c. H/ j, Z - CMP #$017 [, |' m( q+ V) h4 s" |
- BNE Track_Enemy_Ex_Continue
: V9 { C* T, C: @2 \- ^# g; u - / t8 h7 E% e) @; D" }
- LDA Track_Enemy_Index,X; Z/ m! X' k4 l/ Q' h/ o
- CMP Enemy_Index7 X- b2 x& y/ M1 \
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标! M5 p( j4 j# ], n0 @8 K: R
-
?( }/ r3 Y4 P3 P - LDY Enemy_Index
6 ~1 x( j5 i! _; [& o, L+ e - JSR Track_Enemy_Ex_X& n; y% h) L9 ^
-
/ F% v' c) L5 e* q8 [7 V - Track_Enemy_Ex_Continue:
0 Q! _- R0 z8 ~; o$ V# r8 v - DEX' y2 H, s9 b5 Q5 Y8 ?/ U
- BPL Track_Enemy_Ex_Begin
/ @4 V, U$ K8 ]" t7 t! ^ - Track_Enemy_Ex_End:" S# I! W8 G! B1 x: I; d$ A
- RTS8 D1 F8 r. n0 h
-
* Q: T$ Q! b4 M' ~; q - Track_Enemy_Ex_X:
: E2 {; \# [+ P" y' `+ v - ;LDA Bullet_Z_Pos,X
2 I0 H3 w! v3 J; W, [ - ;CMP #$04
3 Q" e' H! ]8 o5 G - ;BCC Track_Enemy_Ex_X_End
; @8 v3 U# ~7 V# f - SEC
5 U7 ~7 t( Y2 C( r - LDA Bullet_X_Pos,X
! J2 m: |. z4 m9 ` - SBC Enemy_X_Pos,Y
) u% w. O( `5 @ - BCS Track_Enemy_Ex_X_Greater
) V5 ~2 @6 Y, Y) r2 t- p3 O8 ~ -
2 _ T ]! C* W+ D+ c - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X$ U& Y) S; E. p3 ~( Q" d
- CMP #$FD
/ L* d" b7 V2 t) S: X/ ~- M - BCS Track_Enemy_Ex_X_Less_End0 L2 \7 M: @. z8 M" V; t, ?
- LDA $6020,X& @% v; j; |9 j& _3 @
- CMP #$2A# o6 |2 m' L0 ?. `5 ?; F4 B- n' D
- BEQ Track_Enemy_Ex_X_Less_L12 t3 l9 V0 G X% S" M
- LDA Bullet_Z_Pos,X
, O' G1 @( r7 p6 v - LSR
3 D' B( z0 u" K+ I5 W - TAY
- |' T" U4 i/ F; f1 m. A# N+ j - LDA Bullet_Speed_Data_Ex_R,Y, E( h5 v; B; i; w
- STA Bullet_X_Speed,X$ @: {. K' |; G4 Y" ^8 m {, q( D
- RTS4 a8 i' ` j/ u1 n
- Track_Enemy_Ex_X_Less_L1:5 C- ]# [6 M8 P
: p `' D% {6 s4 [0 |6 C/ r- LDA Bullet_Z_Pos,X
* k" ^2 h1 w, w [) ]1 ]6 t - LSR8 A1 Z. \# \1 d# R1 ?6 G
- LSR4 U1 L0 e4 _& X) m
- TAY9 Q, j* S& H. z" j3 F* i" j
- LDA Bullet_Speed_Data_Ex,Y$ S0 U+ @. h r7 U* Q* {0 e/ G" s
- STA Bullet_X_Speed,X
* _" }/ @$ l) ^" C - RTS
4 a% H' q: B- M" Z# n: C - * ^8 [5 z) ]5 ~- t
- Track_Enemy_Ex_X_Less_End:
4 v+ t' n: Y" ]3 d$ ^ - RTS
% L; H6 R& Q( n& E - 9 g3 [4 M1 G7 f. r/ h2 U _" F
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
: p3 `- g' a- d% S/ M5 L, W7 f - CMP #$03
3 [4 B6 `# d8 z2 b - BCC Track_Enemy_Ex_X_End
' u X, v4 z d5 x$ X$ _' L' ]: R9 V - LDA $6020,X
1 P% B9 r/ I8 ~2 C8 w' @& L - CMP #$2A
, ]. \) R- r1 ^! ^+ J6 o - BEQ Track_Enemy_Ex_X_Greater_L12 W4 k! B1 R, S1 ]& m. Z' E
- LDA Bullet_Z_Pos,X
) H" c9 L+ I" d2 A+ b+ U - LSR
6 r) ?0 W, |" C' {/ ? - TAY; `1 ?0 |; n2 c5 K; P/ Q' o' ]
- LDA #$00
% r% u* p W3 O# l - SEC
5 ^) w. n/ ^" k5 w! a# _3 L - SBC Bullet_Speed_Data_Ex_R,Y# N9 |6 i: Y* R2 }, q
- STA Bullet_X_Speed,X- M, R6 G" [& n- ]2 u# |7 l
- RTS
5 P( r' M. }$ N! ]4 j3 F, h -
- u8 p: [& y, K6 H - Track_Enemy_Ex_X_Greater_L1# U( e. X- M# V* o# U, S) _ e$ P
- LDA Bullet_Z_Pos,X8 Y$ p# P i, u2 M; y
- LSR
5 V* `, q( ?/ _% v$ e- T# z( h f - LSR
" S7 G* \6 D+ Y8 ` N% A - TAY; x' [; D( t8 S, M3 Q
- LDA #$00
: T1 g! A3 S; S2 s - SEC9 g$ I# D2 X! A( i+ Z! r
- SBC Bullet_Speed_Data_Ex,Y/ h8 V" q6 \7 L0 I9 }" A! p
- STA Bullet_X_Speed,X; I6 n: {2 {1 v/ \% l' q
- RTS
' U. a9 p: b0 g+ O; C1 B - ) N6 G& z$ T( x7 z2 K
- Track_Enemy_Ex_X_End:5 w2 V* @8 }; L0 T. y' v! ~1 _1 I
- RTS+ V1 {8 Y9 j9 U
- # a% L i8 j# L$ N
- ;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)
6 t" M s7 t. I* _ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上8 A8 p, G* L% _* p: `$ Z: t
- Bullet_Tract_Direction:
7 d6 h* i2 C" y8 J# s t - LDA Bullet_Icon,X
3 E8 X) Q, G. D1 B1 ]1 W - CMP #$23
7 K# l$ P' K3 J7 y, ~' q! W7 i - BCC Bullet_Tract_Direction_End/ }' m- C5 L* ]" m6 d# D2 N
-
5 Q N% X) [4 z/ X5 b0 j: I/ e - ; X != 0
) i0 X j" w8 _- e8 t8 } l - LDA Bullet_X_Speed,X
. u" ~! e- B: E - BEQ Bullet_Direction_V4 I& L P8 p- ~& ? }
- 0 E+ p! M* w' g- h; I- _, e$ k2 s
- LDA Bullet_Y_Speed,X" S% u/ g6 [* Z% x2 I
- BEQ Bullet_Direction_H0 _! k0 ~: g% r$ A, @
-
" K$ t4 m( ^5 g - LDA Bullet_X_Speed,X6 `. Q+ W4 R5 O& W8 i( \
- BPL Bullet_Tract_Direction_Right
* [2 ^, B* q0 s, f6 Y+ O+ t, M - Bullet_Tract_Direction_Left:
: B$ I6 u# ?- q1 [% n - LDA Bullet_Y_Speed,X
* R' r6 H; k& r! T% s J - BMI Bullet_Direction_Left_Top
; O- s0 L8 d' V8 f: k - BPL Bullet_Direction_Left_Down0 e8 n5 H0 Y7 }4 Z2 J
- Bullet_Tract_Direction_Right:
6 w/ q% n" G0 b" _: K - LDA Bullet_Y_Speed,X
* G) O4 j2 H( L; ^/ i - BMI Bullet_Direction_Right_Top
5 v, Q d- _1 A - BPL Bullet_Direction_Right_Down
- T# s6 x$ `% r- |, K+ j - Bullet_Tract_Direction_End:8 E# ~. J. ]) U! P
- RTS
1 P; F. ^# [3 n
8 ]5 ?+ [/ a% O3 u' _- Bullet_Direction_Left_Top:
# T; P( i' w4 z - LDA #$25
( m; x. A; X8 E/ h; h/ F - STA Bullet_Icon,X
4 Z8 v# |/ [- W# F- M$ _ - LDA #$C08 n! K) ~) Z* A' e7 j- r
- STA Bullet_Direction,X* j9 R! h7 d' M% Y/ M8 g2 x
- RTS
- ^4 `) Q" |, Z0 z
( ]8 O2 W1 E) H6 w! C- Bullet_Direction_Left_Down:* ]" ?) |+ {- t6 [' e$ q
- LDA #$25* S% V5 z9 k6 F, m$ j
- STA Bullet_Icon,X
: a4 [0 B* e3 m/ K7 \ - LDA #$40
7 {; f8 U8 n& t - STA Bullet_Direction,X
; Q: B1 u3 [# o9 c+ N4 R+ k$ c: b - RTS* \( V: s3 ~9 T. P; E) ~
' V* C' G3 U) A- Bullet_Direction_Right_Top:
' K$ S0 \0 I# q- S7 _" ] - LDA #$25# K, B7 t1 P8 [' ?
- STA Bullet_Icon,X2 L; J: _$ B: M. p8 |3 c
- LDA #$80
* p* m9 V. M* z2 f - STA Bullet_Direction,X
' \. ^# l: W& f5 p' d6 f ?$ [7 a - RTS
! M/ y: e) a0 N! A! }: b
9 C* H N b B) Y/ q) ~# ^; o4 ?- Bullet_Direction_Right_Down:( A7 i h9 k2 x: A$ t& Q+ F
- LDA #$25$ U' b3 `2 L7 g: b: _. I0 T
- STA Bullet_Icon,X
# N1 I2 ~! ?9 w - LDA #$008 u6 o4 U- B8 A. C' [: B
- STA Bullet_Direction,X0 l; } |+ f) q7 i5 { z) X
- RTS+ Q& V+ v, C! ] S6 ?
5 B8 E& [1 R2 j& s; Q$ F$ m- Bullet_Direction_H:
# T9 y% s: {$ Q: y0 F0 O# k. Y - LDA #$24" W5 y' r& n# b
- STA Bullet_Icon,X* o+ C/ a- i1 C
- LDA #$00
1 u& W8 L0 I9 g9 o K) R - STA Bullet_Direction,X! L% m- y3 F( J3 ~* J
- RTS$ F% `5 }7 }7 M! S
- - o2 l; V0 z, D
- Bullet_Direction_V:
# y( S! g" f0 m2 }% W: U - LDA #$23
' U( g5 c( @$ z: L - STA Bullet_Icon,X; q+ h; K& {; R' ^
- LDA #$00
1 f" M% j* p& y9 }( ~" ~ B- ] - STA Bullet_Direction,X# n9 y& p* u" ~$ r0 r
- RTS% ~ _) \0 h7 F/ \3 T
- , s8 |+ M3 s4 A/ ^0 d/ ^+ @8 Y
- Bullet_Speed_Data_Ex:9 D% D' D5 e, l$ g
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$043 M; `5 Y, [* T j/ g4 I
-
% }' u8 M$ I7 E - Bullet_Speed_Data_Ex_R:
: g$ L4 c5 `2 J2 i2 I - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
0 Z h% q+ X; n" K% z -
复制代码 1 e. X* z& n/ @& Z- e1 B# @& O
6 n. Q5 }6 G/ K5 u( }4 S" ^
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