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[FC][魂斗罗][J][追踪弹]. u0 ^8 o% v* w6 ~
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时间:2023.04.30
; s4 C$ g6 r+ N: Z0 M作者:FlameCyclone
, E' i3 Q8 P4 o- q内容:
3 _7 M5 a. h" O# O+ C 1. 所有子弹追踪敌人! T8 k4 t# m1 Q& P% G3 X, j
2. 选择键切换武器
1 t0 F+ \: ~( b' A 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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/ L# |( R+ b" |8 ^flamecyclone.ys168.com5 A0 S- \3 P2 l( B' e% N7 q @: S6 j
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
) M' P/ \' h$ A# W# ~1 B" s( c2 ^1 J - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
( {) a7 I" Q4 |$ E8 Z - 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)# B7 L; \! |; K6 y* }( U9 A6 ?
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- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
3 o- ?+ |: }5 V ^$ S' h - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上8 X3 r9 i: t7 H: V+ I
' W U( U9 q0 P3 M# x7 w- Track_Enemy_Index = $60005 c& H) Q7 _8 n
- Enemy_Index_Begin = $6010
( E, S& g3 p6 q' ]; | - Enemy_Index_End = $6011+ `3 |) Y" e) u
- : T/ A, s2 T; y) \# v; e% @% {
- Loop_Index_I = $6012
0 F, M% r Z, q* n: m/ E7 h - Loop_Index_J = $6013
( P% x# H' X% D% O- y8 T6 T# D - nEnemyIndex = $60142 }; X, S. @. E0 G0 c
- Data_buffer = $6015# Z- l: {' j$ S- H' v8 t
! x3 R7 g' [) j* L- Bullet_Y_Pos = $03B8 ;子弹垂直坐标% n# Y J4 R! w. H4 v9 X5 f
- Bullet_X_Pos = $03C8 ;子弹水平坐标! x: j2 I4 n* |; x; a, ~
- Bullet_Y_Speed = $03F8 ;子弹垂直速度2 `& |! j; S8 u+ M
- Bullet_X_Speed = $0408 ;子弹水平速度
_' D2 n# E* R - Bullet_Z_Pos = $0418 ;子弹Z坐标
! {* C. x- M- x$ q# F - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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8 |1 I: ]9 ~; r, X% ^0 N. h- 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! C& o4 a# d, J
- Enemy_Blood = $0598 ;敌人血量
8 {* {9 R7 V# E6 K2 z# g2 F - Enemy_Type_Addr = $0528 ;敌人类型
! }" |- L3 X. V2 U8 h4 G/ k+ V4 L - Enemy_Blood_Addr = $0578 ;敌人血量
/ T4 }) Y* q% A - Enemy_Y_Pos = $0324 ;敌人垂直坐标' G. r: {( l* b( X$ P! G
- Enemy_X_Pos = $033E ;敌人水平坐标
/ }6 E( x7 C' @ i: ~' c - Enemy_Y_Speed = $04E8 ;敌人垂直速度
2 ?0 [" }" X1 N# B/ e - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸/ h7 g$ n4 P0 M; Y% h2 w0 l
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- Enemy_Index = $83 ;! \1 ?! U7 @9 r) y" m
- Time_Count = $1A1 X/ |; D3 B4 i9 q. d4 g
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率 o O/ \ Q h- W |
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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4 t, f7 M5 ]- X8 g* B) J- .ORG $6100
5 n% \) ^) m, q- m) l s3 B& U5 ~& h* z - Process_Begin:3 s* t. `% K( R& P
- JSR Enemy_Check0 f9 r; G! I( ~& ^$ w" ^
- JSR Track_Enemy_Check
" N% \/ f6 z% W6 b - Process_End:& r3 N# ^1 W! T/ d! g0 F8 {9 O
- JMP $E54F
& t, D6 o) g- o0 a- r. A; h
4 E4 b) ~1 N' ]: j8 v- Enemy_Check:
1 g7 d$ M, y' C - LDA Time_Count
# e1 i" R* Z' @! a' D1 u - AND #Track_Bullet_Speed- B6 y0 U6 x% Q
- CMP #Track_Bullet_Speed
* ?" m& {! }0 D( U% N; u - BNE Enemy_Check_End
4 f3 W1 x' v+ k" Z - LDX #$0F
) Y/ T5 W$ X8 a$ q+ M2 G" e - Enemy_Check_Begin:: C; r+ h/ |4 r% z7 L
- LDA Enemy_State,X$ o! L# K1 B' z6 N' k& P( F
- BEQ Enemy_Check_Continue& H) l [8 G7 o& W. k8 @2 H0 V
- STX Enemy_Index
4 S3 F4 f4 Q' k0 r* J( r2 o - JSR Find_Begin_Enemy, L \: y" |' ]7 m1 |
- JSR Find_End_Enemy
' [8 g8 F3 T" i6 c0 ` d) j9 b - JSR Bullet_Track: T- o+ ^5 h' t
-
. q; Y% o2 t3 P' n' |8 B) O3 U2 V - LDX Enemy_Index* Q+ _7 l7 k- {
- Enemy_Check_Continue:
* J: ~1 l! W( P2 ? - DEX' _4 B0 h; j' S; v2 E. I
- BPL Enemy_Check_Begin. ]# V" D. J, l6 q/ \
- Enemy_Check_End:
& H+ \. @1 z( H( \- q - RTS6 P2 X6 e! D/ }+ _0 x2 f( m
- 2 p P! G+ Y G, `1 E' V* s( W% a* H
- Track_Enemy_Check:
: L% I h% w# k3 F - LDA Time_Count X9 ^- f+ i* ^0 F
- AND #Track_Enemy_Speed2 f: g0 V4 E% {7 ]( `/ t8 A
- CMP #Track_Enemy_Speed
. U, N" u. M' l& p - BNE Track_Enemy_Check_End! f4 k6 J( z2 c
- LDX #$0F6 }, {9 E* _8 _1 a& X0 U& g
- Track_Enemy_Check_Begin:7 V# [, j( U9 {) [$ @# D1 c
- LDA Enemy_State,X
$ Q6 L6 J( z5 P2 u2 _ - BEQ Track_Enemy_Check_Continue, r# @2 h! C$ y% i5 X
- STX Enemy_Index% G0 Z6 C4 l3 d/ T
-
$ b! K& H5 I( m' v. W. H: ` - LDA $40
0 d& ]6 B( r: U# w; `2 m' a - LSR* I0 K3 Q# T% e0 [7 v: j
- BCC Track_Enemy_Check_Begin_L1
$ u8 m) ] g6 ]: N1 z0 E8 | - ' \3 P2 D: \5 i' k5 a' q6 }; x
- JSR Track_Enemy_Ex ;2, 4: A! i5 ^7 s' a& o3 p% W3 S
- LDA #$00% Q% u5 W2 v6 U
- BEQ Track_Enemy_Check_Begin_L2
& X, }# [$ N9 P, y0 v" r- j2 o - ) E/ y5 K; P9 y( W: f' ^3 Q% P
- Track_Enemy_Check_Begin_L1:
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( P/ A" ~) _# R2 C; Z7 v- n8 t/ ? - JSR Track_Enemy
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- Track_Enemy_Check_Begin_L2:
: }! \3 U3 Q" o6 J0 R# R/ e) r - & ?, X" o5 n$ [7 ~! u* u9 S) J/ r
- LDX Enemy_Index
$ f6 [! i- B; }- a- | - Track_Enemy_Check_Continue:, o3 T" t, Q. C
- DEX9 [9 E& L) L' z& L/ \, p
- BPL Track_Enemy_Check_Begin# k$ d4 z# H4 L
- Track_Enemy_Check_End:
( l4 D% ?6 e3 J% \: T6 z - RTS- W4 H3 G+ u8 O0 g
- ) ]. H$ ?3 k7 L( o
8 n( r( W8 D/ A5 E8 w/ Y- ;查找第一个敌人
1 h6 l! P5 a3 z& T6 o @: n - Find_Begin_Enemy:4 d- X8 |% ^; X9 L. q/ L5 m( i
- LDX #$00
' b9 K, O% v( L - Find_Begin_Enemy_Check:
. R0 M/ C) Q& `# o, P% u - LDA Enemy_State,X6 T8 {& `; ]1 X6 c; H
- BEQ Find_Begin_Enemy_Check_Continue- k/ |$ V+ \7 W* N) N
- LDA Enemy_Blood,X6 U! Z5 B9 _2 z8 C" U) o) [
- BMI Find_Begin_Enemy_Check_Continue% `$ y- D2 z, W; q) Y( ~
- BNE Find_Begin_Enemy_End
9 f$ W+ d! |- c( b' j& k \8 u1 j$ z -
3 m( L9 V. @; ~' Z - Find_Begin_Enemy_Check_Continue:
1 h5 Y" c- P& o+ w - INX
6 u8 O+ ]* a, B+ o: {& W6 A L - CPX #$107 ?! Z6 M. Q" z( b
- BCC Find_Begin_Enemy_Check" x8 Y" G9 d5 D8 s
- Find_Begin_Enemy_End:
; a4 V8 u; X9 ]# D - STX Enemy_Index_Begin
( E- y% g4 t, ?' [' F. V - RTS0 Y4 A; m! Y' S" t: ^
- ( b6 E, i- Y4 q8 ^3 X5 p
- ;查找最后一个敌人
5 U- }+ ^. c) ]! U - Find_End_Enemy:4 R( O$ ?6 h, m3 r/ |+ x
- LDX #$0F
0 _0 ~; W& Q; I3 Y& B" l - Find_End_Enemy_Check:
: Y% F6 v! U- L6 T: M0 r' U/ m ? - LDA Enemy_State,X
8 N/ B. f ^% w - BEQ Find_End_Enemy_Check_Continue
" \2 e9 G) Y, i7 H" Z - LDA Enemy_Blood,X
0 D7 O5 u) s' s$ l8 S7 f - BMI Find_End_Enemy_Check_Continue
% Z& P" o' C" w# }; | f - BNE Find_End_Enemy_End9 D+ k9 ]7 ] W( f: ~3 m+ R
- 5 t9 A6 k: z# a6 Y
- Find_End_Enemy_Check_Continue:
! R# B% q& x" G, n% u5 K4 q7 q# @ - DEX
, \. E( n+ N1 ^) [8 i7 y - BPL Find_End_Enemy_Check
+ Q2 e+ ~) s) h5 ] - Find_End_Enemy_End:
, ^+ H1 {; k k7 {5 x3 L! T - STX Enemy_Index_End
% t; }0 y$ X$ Q @1 R' K4 | - RTS* w9 t2 e5 N: F6 h; X- N. p( `, W+ h0 [
- * \- p& G) H* I
- ;子弹追踪
) C2 W8 v c$ Y0 j ^ - Bullet_Track:
% ^: n. A( c" R+ j) u- w+ N - LDA Enemy_Index_Begin
) \9 N' m' u" Y9 b d3 ~1 z - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
5 n2 b- S; y& i$ Z# a8 }% W5 ~ - LDX #$00 " g* o4 w) |+ e; [+ W
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
; g( Z. }' ~/ r2 I) @9 L4 Q - LDA Bullet_State,X
# f, Z2 u8 P, I/ h" h8 P2 `1 H - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
' i6 a) C8 p+ Z( G2 P% q - STX Loop_Index_I
' W, j4 c! I: S7 ] -
) S& s& p6 ?8 v - JSR Bullet_Track_Enemy
2 g6 }8 o! U9 X4 W - JSR Bullet_Tract_Direction
2 A( g, \2 m' B- ~7 N% k - ) s) z) f, a% ~- t0 z Q
- ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪
7 d5 r' b8 h( ^6 i$ A* w) ~( w - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
0 M. [0 t! A$ N3 I3 _3 G - LDA nEnemyIndex6 c3 ^- p4 `$ }, J, A
- CMP Enemy_Index_End
' K$ D: T' {* ^# C9 Z7 q - BEQ Bullet_Track_Check_Continue
! B) m. l0 l- X: x. h: b - BCC Bullet_Track_Check_Continue! y7 r6 w3 o4 G+ O7 x" }2 v
- LDA Enemy_Index_Begin9 S' s1 B0 r( @0 v0 J
- STA nEnemyIndex( P5 L: z# i0 T$ o8 Q
- - m/ N" P) G1 A% e. \
- Bullet_Track_Check_Continue:
8 W4 K; W. T8 ^ - LDX Loop_Index_I+ c8 T$ [. s( i8 e& T( Z
- Bullet_Track_Check_End:
% v j3 V" K" g% J) Z4 M - INX3 _# i1 }- `6 R( o9 W: y& J6 {
- CPX #$10
/ q3 O5 R/ O# O# d - BCC Bullet_Track_Check) Y$ b/ Z& E& s" V
- Bullet_Track_End:
. ~$ @, `4 ~: a+ v$ Y t6 } - RTS& G; i% w, H; G! A& N
- ; I+ e* T* X$ k/ }) E- e
- ;给敌人分配子弹
; l; [. b, b6 }( L9 s' I% X - Bullet_Track_Enemy:! g ^4 K" y( G( D
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)* e: u7 n0 u1 c5 @5 P
- Bullet_Track_Enemy_Check:
1 Q/ `0 @, {; W) m' U1 W0 e - STX Loop_Index_J" E& t% P4 A5 l! I
- 0 h# y Q2 p- L% K8 L6 R5 ^
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
0 W9 ~7 Z2 s5 {+ V# G - LDA Enemy_State,X0 w# R7 c% l _
- BEQ Bullet_Track_Enemy_Check_Continue
. K4 P* M8 s' C8 t - LDA Enemy_Blood,X6 _/ E! @0 {9 [& a/ \- K
- BMI Bullet_Track_Enemy_Check_Continue& L v/ o6 \' C
-
0 R% j% J% w, V# N1 C: s2 v/ U" N - LDX Loop_Index_I1 F* b$ U/ S- x6 `+ e! f) `; Z
- LDA Track_Enemy_Index,X9 F6 p i. ?! `
- CMP #$FF
0 Z! B1 m* R* T( N( ^0 X - BEQ Bullet_Track_Enemy_Init
8 Y U- u, L# \( h* ^( ?/ q2 x2 ? -
! q# Y& [! H3 C; V; ~6 G, }: x - Bullet_Track_Enemy_Init:2 K5 l% Y' q& O3 e, u
- LDA Loop_Index_J
, N0 l* t) Q+ C( e7 [; F- b - STA Track_Enemy_Index,X ;nTrack[i] = j;
; L9 [. ^. J f# _' i2 C5 } } - 4 B/ E3 H9 i1 ?* D# \& h4 K7 R2 c! ]
- STA nEnemyIndex, z+ F) z: u3 f- W
- INC nEnemyIndex ;nEnemyIndex = j + 1;+ X. o9 r6 {2 R' _4 G K& X' ?
- RTS ;break;9 x0 R) u7 H' Y. ^5 ^
- g1 I }8 ]: ]" K9 g
- Bullet_Track_Enemy_Check_Continue:
% J& H# [! W. D& b - LDX Loop_Index_J
% Z% T1 x4 d1 m: {( Y) V - INX ;j++
' D% j V* ?1 a9 Q, P3 A' w - CPX Enemy_Index_End
) a2 e# W5 E' h3 `6 b1 m% e - BEQ Bullet_Track_Enemy_Check( l5 l8 i9 d5 \* M @: K: p
- BCC Bullet_Track_Enemy_Check
/ b* i$ w; u7 @' U8 q# C) ~' ] - Bullet_Track_Enemy_End:
, H2 h8 z4 g+ p+ F t - RTS
: Q X# N5 o! T$ J4 p9 h
8 h1 y) Z7 l6 Y% G1 o) R5 \, D& P* I- Track_Enemy:7 I8 V( R0 G+ e4 m. m+ O9 t
- LDX #$0F
0 a" @, d8 g1 s4 d - Track_Enemy_Begin:- {% z5 p- @4 Q
- LDA Bullet_Icon,X
% V9 v- x5 X- k( ~' C9 _ - BEQ Track_Enemy_Continue
* G) Q1 j9 b7 v! P d1 u - LDA Bullet_State,X2 _9 `0 b0 r1 Q+ Q7 B
- CMP #$01
% A& a( I" ^8 g" w; W! |9 `+ E - BNE Track_Enemy_Continue3 ^ m5 \ Y1 S) e6 x6 p
-
1 V9 g# F) m# L& K, [ - JSR Track_Enemy_Process
5 {+ u8 w( [. K! d% C, S. g# p -
# L4 Y4 \, J% ^$ y - Track_Enemy_Continue:
# ~9 B3 {/ N, f! C5 p. T - DEX
+ ~+ b0 i9 ]; a- L - BPL Track_Enemy_Begin
6 A+ g+ ^0 d: {/ c2 q8 s - RTS9 x1 G. e1 U9 V+ {9 P/ }
0 z6 e% @* \: \+ C. S/ z7 X- ;普通关卡1 @8 q; r& R; y
- Track_Enemy_Process:1 x# ~+ h5 j. i
- LDA Track_Enemy_Index,X
2 M) H$ r) \: S3 R4 Y - CMP Enemy_Index1 B* m; J) m4 h3 b, H" c
- BNE Track_Enemy_End
4 y( s! ~7 j! v( H4 a( D( Z& i; k - LDY Enemy_Index
; P' k! R" t: o) L6 R, Y - JSR Track_Enemy_Y
" I) p3 ~3 f" C# w( u. t+ B. c) g - LDY Enemy_Index" l U, ^# g' d; R
- JSR Track_Enemy_X/ i1 U0 Z/ d5 q( A2 H
- Track_Enemy_End:
8 U. |! `3 U5 A0 h+ E U - RTS
( G3 Z/ v* p/ s* r - 8 J7 T' J# L0 j# X- S/ s
- Track_Enemy_Y:; w7 S: D5 l6 ?; _; u4 K
- SEC; \; H8 l9 y" d# ^5 o/ X
- LDA Bullet_Y_Pos,X0 q6 G" W( o' W$ H+ T
- SBC Enemy_Y_Pos,Y
! H; l8 R, t- \7 H3 g6 X# c Y) A - BEQ Track_Enemy_Y_Equal# H# n- n" t% `
- BCS Track_Enemy_Y_Greater
[, d# |( E! C -
. l% u( d" z: c& Z - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
: @- g5 s$ u* h$ f# L% s - CMP #$FC. j8 W6 Q' {- g4 I
- BCC L1_15 K* y# M6 _( c7 [- R, s) C! h
- CMP #$FE
, u8 A# y/ W4 \$ }: x3 p7 j: Q - BCC L1_2
6 Z! D. \' Q3 Q7 s - LDA #$00
" u: M0 W) \2 K - STA Bullet_Y_Speed,X
6 m& L& s! }; J% D* _) d - RTS
: @7 M* A% W( X. H2 p3 C% } - L1_1: ' p7 L! {) j j4 _( m
- LDA Bullet_Type,X6 g0 [! X7 D0 l; m' V
- AND #$0F# H# O& S9 k" Z* {) h) d
- TAY
7 L. X5 a) I0 A0 l, M. w - LDA Bullet_Speed_Data,Y9 v# a) Z! j* c- N s1 _( H$ I
- STA Bullet_Y_Speed,X
% b* W+ @* m9 b0 G. _4 |( |% x: X1 `6 X - RTS. O2 L% G" ~' s* |) U7 C# l
- , C: A9 \2 o( C% P/ h& g- ^2 K2 w* N
- L1_2: " ~' Z3 x. D' m$ M
- STA Data_buffer/ G8 n) B& y# x
- LDA #$00: p# `$ l. ]( Z- w! r ]
- STA Data_buffer! Y: e/ @1 l q4 N- f# m8 N
- LSR; A. q! Q4 O0 I
- STA Bullet_Y_Speed,X0 p6 U# B" f) \
- RTS
( }" S5 K6 z8 b. X
! w) c" l( f2 k$ o* X& k- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
! s2 l% i" ]' a Y( z$ N3 M+ X2 H! P - CMP #$04
' H* ]9 i8 [7 z5 a9 b. J6 g2 x - BCS L2_1
@; j6 _& d1 a# t - CMP #$04
/ m' k* i- [: U" q - BCS L2_2
2 f. G' Z; ^1 Q" N - LDA #$006 j) l% m7 |1 c& M$ k8 ]3 B8 J# U& v
- STA Bullet_Y_Speed,X# z7 U% @. S, i# v) D8 J k
- RTS
3 J0 i* K" i$ ?& F8 H - 6 g! K2 t8 U/ {( U
- L2_1:
8 k5 o/ |$ h, w9 O( Z% u* H; l. M4 `+ z3 f - LDA Bullet_Type,X
& Q% x5 c' t3 }- A - AND #$0F
/ d* H f. t6 H8 k, u - TAY
' O( U6 Z( S9 j6 _0 w$ O5 X - LDA #$003 N8 O* x& J" a
- SBC Bullet_Speed_Data,Y
* M* ^9 e% O6 u6 [' w3 _' n# S - STA Bullet_Y_Speed,X$ H- T1 X; G' q( g% F% [$ F- r
- RTS# o8 p2 @7 t) U! W4 K
- " C/ R/ b* b+ M/ x4 d$ Z
- L2_2:2 k5 a- r/ `3 p! v3 s$ q
- LSR
n& ~9 b# t4 q, i- H3 F - STA Data_buffer
- F' t, {/ Y' \7 d* D" F' [ - LDA #$009 ]' T9 K4 C0 E. C* b* S
- SBC Data_buffer
* z6 V' ]' u) P1 a" O - STA Bullet_Y_Speed,X
8 K2 ~3 g% B$ J$ Y& k' K5 d9 c - RTS/ o4 |/ E, m. l# I3 v' Y
-
2 Q7 ]/ B3 L/ l/ z - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y! E4 z3 n3 f# F/ c9 A6 z. n5 L
- LDA #$00
2 W5 g7 A9 j: a% v. J - STA Bullet_Y_Speed,X7 [3 l o0 G" T `, _# x, z s$ y" J
- RTS' ]6 r( y; N$ s3 `
- - ^% v* ~- Q/ K2 r6 q; v7 z
- Track_Enemy_X:
8 w: h& @: K/ | - SEC- K9 z- F# t4 `6 i
- LDA Bullet_X_Pos,X
3 v/ s6 l' x& [( J1 S! O - SBC Enemy_X_Pos,Y
( g& a: ~: o( n' V8 f( X, ] - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
% G. ]. n" w) W - BCS Track_Enemy_X_Greater ;子弹在敌人下方) w1 M" A x+ v6 Y* \" {- w
-
& x8 T/ b7 s3 |$ G7 W L - Track_Enemy_X_Less: ;子弹X < 敌人X
; C& d! J4 Y4 W# c7 z. g* D - CMP #$FC
/ {1 \0 {7 H3 W$ K$ Q$ q5 U - BCC L3_1
7 ]& W. ?+ z) G. ^" [ - CMP #$FE
# Q4 R2 c. k: P; c! A - BCC L3_2
" y& a* A, E/ G& \) R - LDA #$006 {+ d8 Q, j* s) K+ c6 Z Q" f
- STA Bullet_X_Speed,X
) W% c4 X" i% r6 R; ~5 X) Z0 B) w - RTS
) Z1 ]6 K, c: h+ ~: B- L: } - L3_1: $ W! {7 _6 r: ^ F4 t" y
- LDA Bullet_Type,X4 F3 d4 W5 c6 O4 n9 a: b/ v9 k* D
- AND #$0F
+ z9 V% k" ~6 d: U) G& W - TAY
6 t3 Z4 a9 o+ a* j$ i" A - LDA Bullet_Speed_Data,Y' s: w8 ~/ s4 V; e5 O: r( u- S
- STA Bullet_X_Speed,X1 q/ H; @6 ?1 t; `
- RTS6 Z) I0 \' P; e8 E; u
- L3_2: ' `% A' Y( a' `8 ?1 s
- STA Data_buffer
3 \4 Q. A r* Y9 F( J. c. _ - LDA #$00
( k. t% \6 Q0 K1 k( U9 Q# i - STA Data_buffer
6 ^. x+ r, H Y5 m5 V+ K - LSR
R* Q: E4 W* {; j b - STA Bullet_X_Speed,X% I% N: G f; }! [0 o3 S
- RTS
' @$ y. y a0 |3 Z3 n }$ ?) G* ] - $ ~3 P! q5 b: O4 {: j0 W0 z" z) a3 ^
- Track_Enemy_X_Greater: ;子弹X > 敌人X
( ]9 K: B9 j8 M! d7 w/ N/ P) a. w - CMP #$04. t! Q2 s( {7 G$ @* j3 ]
- BCS L4_1; ]# D8 e2 A5 i- g6 D
- CMP #$02% l6 I/ `, Y$ a2 r4 v6 C b
- BCS L4_2
1 B0 \, G7 g, A) j H - LDA #$00# M B. D" R* y+ q
- STA Bullet_X_Speed,X# F# h5 }8 N* k# ^# c k
- RTS6 K9 t0 V# M0 {
-
( t+ q4 a- C3 v( |1 q2 S4 w. q# e - L4_1:
1 @5 E, l, D/ J; @ - LDA Bullet_Type,X
8 h+ a& t1 A2 ]& z6 w$ h- d - AND #$0F9 q' p# n3 b6 \, j) F
- TAY
1 l' B* g6 g( w1 Q, @& h - LDA #$00; M- P {. s$ k! x" N& m+ ^
- SBC Bullet_Speed_Data,Y' U" ?1 C* X, T4 q
- STA Bullet_X_Speed,X3 Z/ U, C5 n$ O; h% t: v
- RTS) F+ K" K" c* M, h& d; }" ?8 @
- L4_2: - u( l8 Q5 ^ d3 N) U( Y I* V6 [
- LSR4 I) Y3 j. i( h! L1 m2 H+ F, r& @
- STA Data_buffer% S" Y, g3 |/ W2 ~1 f) E
- LDA #$00# P9 v# |! G' x8 Q) I* d, O
- SBC Data_buffer
% r5 k* K4 ^2 ], b6 a( G, G$ P1 d$ K - STA Bullet_X_Speed,X
9 V- s/ v5 a7 y5 _ - RTS s) h6 j3 i p( ~2 [3 v
-
6 o2 f9 S w' b - Track_Enemy_X_Equal: ;子弹X == 敌人X0 v/ D" g t% f* g: J1 P
- LDA #$00( T% N7 G% R+ a6 e; p' ~" y
- STA Bullet_X_Speed,X& P9 F% }. }' y/ Z
- RTS
4 @) K- A+ Q& N, l5 V' h - # b* @' e2 I2 m7 r. n$ W$ ]
- Bullet_Speed_Data:
5 ?7 Q/ `7 _( D0 L - .DB $00,$03,$03,$02,$03,$03) Q3 _7 _$ K# @$ L- Z( Q% N
- # _3 k7 g" v, g6 L& b5 r8 U
- ;2, 4关+ X7 @6 t7 S& n+ q A
- Track_Enemy_Ex:- N" B. ]+ a( ^9 s- N% W+ D
- LDX #$0F7 l6 I3 t2 |5 s$ H3 t- ?9 p
- Track_Enemy_Ex_Begin:
: ?1 R+ \, h8 U0 n J
" [6 j9 F9 U+ E- LDA Bullet_State,X2 L8 Y6 g7 e/ t5 D: E! q
- CMP #$01
/ U* f$ B1 L' g6 J - BNE Track_Enemy_Ex_Continue6 K- a' J" o$ W3 d, v% p
- 1 U+ b! f) l$ o7 ]8 w; F
- LDA Track_Enemy_Index,X0 {4 ^; G/ s, C/ `4 o
- CMP Enemy_Index
/ b& L) |1 ]8 T4 U, Q% F - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
* _, z- W) B A5 s - ' X2 G( h1 |9 l
- LDY Enemy_Index
) R1 q& n$ L0 Q% S2 Z% s - JSR Track_Enemy_Ex_X
+ O+ }; S8 d7 t - : q' X2 V1 S& t0 @6 _2 i+ w+ l
- Track_Enemy_Ex_Continue:
4 v7 p6 H8 m! L - DEX
N) Q! b' ]2 ?* Q% S - BPL Track_Enemy_Ex_Begin. v% E8 T! n8 b* {- N; J) W2 i
- Track_Enemy_Ex_End:
' i! L. i. V T" G+ Q/ x+ P - RTS
: `0 t1 Z/ c3 L8 } - ; ? b, r ?$ y6 J
- Track_Enemy_Ex_X:
7 ]# S* p. E& p5 l! F - ;LDA Bullet_Z_Pos,X1 J8 y$ k1 V2 g# X
- ;CMP #$04
4 E; D; f# A* c$ }) { - ;BCC Track_Enemy_Ex_X_End6 o! L/ ]/ c3 K/ k5 [1 b
- SEC
. O. R, B& T6 c5 I' _ - LDA Bullet_X_Pos,X6 C+ n \: d! g" p1 i% Z
- SBC Enemy_X_Pos,Y
: F& F0 f; `. v1 o! G - BCS Track_Enemy_Ex_X_Greater
* `2 ~9 E, w1 Y# o1 n: f - - T9 A$ T) I1 J: R
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X; H6 j* `% u$ {$ l7 s0 ~' g& L3 P1 ?
- CMP #$FD( r; S4 @ @: e9 L7 X& j9 ^2 g
- BCS Track_Enemy_Ex_X_Less_End
' s- w2 v" k4 Y: O; a9 W; C0 ~ - LDA $6020,X8 J' D" u# N/ j, Q, p. Z
- CMP #$2A
( `- u s9 @% h c% z: w7 z! T# V - BEQ Track_Enemy_Ex_X_Less_L1
1 U6 Z- T; R9 j! _$ \) c - LDA Bullet_Z_Pos,X X0 v3 [2 E" `8 A. d
- LSR
* M& V: k2 X" r - TAY
2 `% F, @+ Z3 x: p - LDA Bullet_Speed_Data_Ex_R,Y6 S4 i( |8 |0 F( L
- STA Bullet_X_Speed,X
2 @4 g3 k, X, G) v/ n' b+ } - RTS
x% b- W; P3 J3 t; E0 n - Track_Enemy_Ex_X_Less_L1:
# N- n2 n* B+ P M - ( l" d( }& [' W
- LDA Bullet_Z_Pos,X
/ d! \' O8 t9 q& \5 ] - LSR5 V; ]: U j3 j. |' C2 g# \# P. w
- LSR& V, D$ f, D' b0 R( X J2 y
- TAY! {9 r6 l) F8 z! r, j: o' @4 t5 W
- LDA Bullet_Speed_Data_Ex,Y
/ s% L6 I, y& H/ ~( F% T# X" F' ? - STA Bullet_X_Speed,X
4 _. u1 i8 k5 k5 X) L- ^3 K - RTS
' S+ h0 P2 x' C1 H -
, t, N+ M8 Y2 D3 H; \ - Track_Enemy_Ex_X_Less_End:4 F% L! E7 q! T, Q) K
- RTS7 d4 O Z8 \% u" U
' B8 v5 H. p; j2 z3 M- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X$ J% B7 X, n1 ]5 Y! f+ K% T. d
- CMP #$03
& `: J% z3 q& {, w3 \* @ - BCC Track_Enemy_Ex_X_End9 q a7 ~5 v$ I* G$ \
- LDA $6020,X
- j$ }$ @* T" c2 a/ k - CMP #$2A0 k5 K0 u* A. t9 W
- BEQ Track_Enemy_Ex_X_Greater_L13 U- D# O2 w/ e" h& {
- LDA Bullet_Z_Pos,X
/ |4 e$ k, c% c5 g1 k3 y; K - LSR l; E: H/ l- Y9 y9 @2 H/ M
- TAY
8 B1 `4 L. y$ _5 d$ ~6 T6 @ - LDA #$00
/ s3 ?: C# [; F. R7 U+ u* o - SEC- A6 p$ ]7 x# M' H! \) [! q: k
- SBC Bullet_Speed_Data_Ex_R,Y
6 w) X$ P0 P: f' D - STA Bullet_X_Speed,X9 F2 ]/ Z( J3 Q1 \
- RTS$ B: U, M+ y0 V4 ~
-
w) t5 o4 e6 g5 l+ [ - Track_Enemy_Ex_X_Greater_L1
) r5 S) e6 Y0 v# s& d( E: V& r) v! j - LDA Bullet_Z_Pos,X
( ?0 A6 [/ S1 R: G p - LSR$ C3 L$ e4 P: K5 g7 ]! y
- LSR
9 T! G Y- Z/ j* q, { - TAY
6 M% y0 O: m# d8 [; Y; c& R - LDA #$00
4 D7 I- }/ l6 B8 q0 x5 V - SEC) l9 q7 a4 g$ I6 \' N( U
- SBC Bullet_Speed_Data_Ex,Y( y: @# D2 _5 \' S6 A2 f6 L
- STA Bullet_X_Speed,X
( }8 T2 H$ z# N1 G - RTS
9 L3 [3 w6 z ~! k: p; D2 g -
8 ]% O0 z6 w$ K( j& P - Track_Enemy_Ex_X_End: o; I& A! K6 d8 Q' o! u
- RTS
; r( J! [9 @: x+ j( ^7 M% Y -
& g: M5 K, H$ ~4 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)
9 n9 m p( Y8 A8 P - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
: ] u$ q3 V9 [( \' r9 W - Bullet_Tract_Direction:$ T" u* [6 F1 Z8 K2 _& X& w
- LDA Bullet_Icon,X( N( h! t* I' `. i# y4 J
- CMP #$23
5 f; Z6 D9 ^6 R1 t* I - BCC Bullet_Tract_Direction_End4 O9 \- X0 ?; u3 X8 E2 _$ O
- 9 Z! f6 J3 G* M' J* ?6 ]: S
- ; X != 0
: Q% `# n% I" W, x- L1 y - LDA Bullet_X_Speed,X
2 Y' @% U0 u0 |/ A$ `) `/ R9 \ - BEQ Bullet_Direction_V/ C! t- l z1 k h) G3 B- v& d% M
- W' s( t: F! R( y! S+ H; n! v6 E5 P
- LDA Bullet_Y_Speed,X) X. V. g5 ~2 x# d6 N. P( u
- BEQ Bullet_Direction_H; I: w6 U8 X. `# p" X* K7 C N
-
/ }7 G! Z& l# c3 u+ L - LDA Bullet_X_Speed,X$ ^2 u5 @1 }- L7 b
- BPL Bullet_Tract_Direction_Right3 o" J) n4 N. q, j
- Bullet_Tract_Direction_Left:, t- U9 B) P o7 {8 m; B
- LDA Bullet_Y_Speed,X
; ?* s- H D" v# B - BMI Bullet_Direction_Left_Top
- z0 ]9 W" Y" A+ R( g - BPL Bullet_Direction_Left_Down
& b7 r. K- \; @; p - Bullet_Tract_Direction_Right:. `* y5 s; i: b* h7 d& N
- LDA Bullet_Y_Speed,X; `" B: N" |3 ^6 t9 J/ I/ Y
- BMI Bullet_Direction_Right_Top9 V* Y0 j5 X( }; x, `; o
- BPL Bullet_Direction_Right_Down5 a: I% T4 A4 l4 F) W5 q, T
- Bullet_Tract_Direction_End:- p$ y. ]% N' w' S' H% I \- Y
- RTS
" i0 I, O3 A8 C- H1 t* h - ! @+ U Y! k W% Y6 y7 t6 H3 S; [
- Bullet_Direction_Left_Top:* V$ L2 c/ |* u2 @7 E. @7 r! T
- LDA #$25
, P# l1 p6 A: q6 h. ~ - STA Bullet_Icon,X: L: ~* H# f) P% l* E7 K6 j$ j
- LDA #$C0! d3 u/ _3 Y) A# c. G
- STA Bullet_Direction,X$ d3 Y; |0 L" {( t- W: d# g) P
- RTS
: M B: T3 a8 u2 I/ L( o - 8 R+ {9 O7 `; A3 b/ M3 t, _
- Bullet_Direction_Left_Down:3 { _% ]' W! Q4 n' j7 \
- LDA #$25
2 }& V8 q% Z! L M: R2 P I - STA Bullet_Icon,X: Q( L& E, ]2 [2 J. I9 X* d# V
- LDA #$40
, y. D- b! V& E! c5 v - STA Bullet_Direction,X# S! A" G4 m/ j! j1 t
- RTS8 P( a3 |+ ^4 U' N! n( @% B' q. U
5 u" q" z; p' o$ ]7 W. ?- Bullet_Direction_Right_Top:
4 N- j3 a: A \5 a2 P w$ d - LDA #$25
# M* a' p* r9 L- H$ C4 g - STA Bullet_Icon,X3 s* l; y. }8 [3 _
- LDA #$806 V* @$ Y3 `7 M8 U6 @
- STA Bullet_Direction,X
0 h/ h+ P1 I. b# c# R3 [: {$ A - RTS
, C/ y7 [1 d! E2 b8 H- D
% R3 e, H1 T9 t8 j- Bullet_Direction_Right_Down:8 D0 y/ K% o1 A; I4 r& ]( j7 i
- LDA #$25, z4 j" `6 c) w3 W5 P: o6 C: @1 L
- STA Bullet_Icon,X; w0 O+ x% j# S4 U& `* I$ y
- LDA #$00
" t m" b( }% `# Z - STA Bullet_Direction,X" v3 P& j3 E$ h: I% ^, o* ^3 }' _
- RTS
: }" F& U/ q! p7 m. m
\# n4 c( o+ y% j1 c- Bullet_Direction_H:
- j$ l2 o9 p' P: N: _7 ~# X - LDA #$24
1 x% L4 \$ E8 z* T* D - STA Bullet_Icon,X
2 p. i" W3 k& [* ^ - LDA #$00: O0 U, F- b( m1 r( F% u# y
- STA Bullet_Direction,X
6 z2 R- o: _6 t' A8 J7 \ - RTS
- y; i: T9 i: h; D3 q& R3 w
; n2 f6 A$ ^1 @& z G1 H+ O! @0 m/ m- Bullet_Direction_V:( j. n8 u' _( ~- X. g* r
- LDA #$23
. |- M. Q( ^# H: S- h - STA Bullet_Icon,X
6 r8 l0 W, @6 t3 T$ j" v9 \( N - LDA #$00
' P' G+ G; n4 a2 l: G - STA Bullet_Direction,X" \2 e9 S; c7 O' B3 G2 z% Y3 H- ?
- RTS3 u" z- n& p* s
- 3 t# ~" ]$ O* p+ r
- Bullet_Speed_Data_Ex:9 d+ L4 m" r n9 w3 j
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
$ t( c* h' ~& U1 M -
5 s, }2 {: z2 ^( `* M, p: J! i - Bullet_Speed_Data_Ex_R:) X0 o U1 V0 Y9 W
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08( v5 j% S7 j8 I! O
-
复制代码 3 X/ Q1 {. V/ W& a' g) q8 u m6 t
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