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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30% E1 W) P/ A6 m# w. o
作者:FlameCyclone8 [* j- V4 c' k* K
内容:7 x$ a( y! K/ r- e8 c+ T) O. E
1. 所有子弹追踪敌人
) w8 H n6 H/ w1 V, |# T! d 2. 选择键切换武器
1 }% I; x H7 W. W- E 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: V/ t% f) m6 P6 C; n S5 }' S
* k [& y1 B1 k- l) O7 Iflamecyclone.ys168.com/ ]; s9 m. s7 ^1 A; i3 D

, D* M8 X' R! g7 d; L- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. D/ L+ }$ F5 O - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
: N& |; G s8 W1 d - 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)
4 f" @4 J5 A& Z5 X2 b3 X
3 t; t3 ~' i8 U2 z! I- ;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)
; W3 ]# q) |1 o- x) c* i. ? - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 ^; Q& B2 \! i \- E, ]0 m1 f Y
- ! ~- C. m; d% x. k
- Track_Enemy_Index = $6000
7 p$ c7 k1 f. E; u - Enemy_Index_Begin = $6010+ K) x. \3 R" T
- Enemy_Index_End = $6011: {5 ~8 g8 }8 ~/ {1 `6 p
% m- x% c. {2 n5 ~4 L/ s" N0 @7 l- Loop_Index_I = $6012
; J$ z; T& X6 H4 L; m) k - Loop_Index_J = $6013
* l1 b; H, G5 z* f - nEnemyIndex = $6014. Q, j5 y$ p( J, Z; N
- Data_buffer = $60155 K3 C2 S, u# |* o9 e: ]5 g
+ _, D2 v- [' u6 c! ]9 P- Bullet_Y_Pos = $03B8 ;子弹垂直坐标" l/ ~, M- q4 N- h8 r3 S
- Bullet_X_Pos = $03C8 ;子弹水平坐标0 M2 q h+ Z' C; h
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
, e5 a; i! T6 @! m$ R4 r - Bullet_X_Speed = $0408 ;子弹水平速度
* `2 _- H2 f4 h, v7 K- q - Bullet_Z_Pos = $0418 ;子弹Z坐标$ R% b8 _; j% n" p0 Q
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
( E# @9 k% G4 {2 b8 H
' z8 C7 R' b E+ ?3 H6 _% s. ~2 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4 f0 h7 q# v; B5 d) ^ E7 O
- Enemy_Blood = $0598 ;敌人血量$ o7 F1 k% C7 W
- Enemy_Type_Addr = $0528 ;敌人类型
' E* n4 E3 z2 D4 |8 G - Enemy_Blood_Addr = $0578 ;敌人血量# _9 g! ]1 T0 D' @/ P
- Enemy_Y_Pos = $0324 ;敌人垂直坐标# K8 i5 u; D; K6 R8 W$ x, n, q2 V7 ^
- Enemy_X_Pos = $033E ;敌人水平坐标
# D: |/ ?9 p9 `2 p# }7 @! B) m. r - Enemy_Y_Speed = $04E8 ;敌人垂直速度
: s( ~5 M; h0 P1 v - 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) F c* m. p0 l5 e* e% Z6 `
- $ w) U0 C4 b2 m. w7 P9 [/ `( U
- Enemy_Index = $83 ;2 ]) ?7 k' c. Q
- Time_Count = $1A( h# m; Q; c0 t9 V
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
. w2 u2 @$ D" T7 P7 W) [* b - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
- @8 |: H' L; P$ l
5 t7 z( @) }3 c, [ S+ H- / l4 D0 d8 s" M! U
- .ORG $6100
5 [- ^2 S3 C+ f - Process_Begin:
7 c" ^; k, x* H* Q - JSR Enemy_Check
9 o$ {2 e# c# O) C8 d - JSR Track_Enemy_Check+ {$ g7 N F1 o1 e$ E7 ~0 m
- Process_End:/ i) v2 E- U0 T5 A
- JMP $E54F
, ^; r& T% f! t$ O4 q3 H! E6 p1 P
5 ^& X+ c! p) e- Enemy_Check:
8 i8 S: P: {( f' ~8 e - LDA Time_Count
% Z) y5 ~) [: p# @6 E; u4 ] E! q - AND #Track_Bullet_Speed+ L; V+ r' V0 a) l7 L; r0 E& M0 ]
- CMP #Track_Bullet_Speed
! G' B- g7 T" }3 D# S/ f - BNE Enemy_Check_End
8 ` w, x) s; Q- M - LDX #$0F+ ^* O* j- d: A/ O) y- B, K: v
- Enemy_Check_Begin:
# F* G# p3 W1 t& r - LDA Enemy_State,X
( O- h" P8 k$ v4 t8 | - BEQ Enemy_Check_Continue
8 r0 d( ]: I: w3 W% Q& v7 l - STX Enemy_Index
' a- I; M- v$ h2 L2 N" E( G9 ]$ @ - JSR Find_Begin_Enemy
, k+ r+ R0 |1 z4 k* w1 y! \ - JSR Find_End_Enemy
; @3 S# m6 }" u. |5 z - JSR Bullet_Track
- y; V% _: L9 I7 l) W) e -
; ]) m: L+ A! z/ j' J - LDX Enemy_Index8 k% h6 W- f8 L# P: V8 f# Y$ H
- Enemy_Check_Continue:
, C0 P8 ^9 z B$ j - DEX: G- y' S! a( \6 W
- BPL Enemy_Check_Begin2 x1 \: h8 Y- D. U9 E! q, J
- Enemy_Check_End:& Y$ x% ?# Z$ H7 ~* u5 w5 D
- RTS! d( _3 y/ |2 B
-
3 u( a* j# S* f" y1 r& [ - Track_Enemy_Check:
; e- N. J: w/ {8 U. I! I - LDA Time_Count
1 U* j/ F% \- m* n5 S i: @1 E1 V - AND #Track_Enemy_Speed9 ^( f( O0 |- m* ^6 f* ?
- CMP #Track_Enemy_Speed
7 e g+ l8 Z- w8 D - BNE Track_Enemy_Check_End
# D* q4 M s8 t4 _$ _ - LDX #$0F7 _, a% f: E* o+ z0 i# w9 k
- Track_Enemy_Check_Begin:3 z. t6 c' C# t* v+ t9 a( s/ w& |
- LDA Enemy_State,X( I( u0 D3 G7 l! v: a
- BEQ Track_Enemy_Check_Continue) `3 m* X6 J9 q$ ~
- STX Enemy_Index, n2 u" Y. K2 M& j/ S7 `+ ~
-
5 R% n) t4 u, H - LDA $40
, r' |3 Q7 x. v4 n+ X - LSR
: C5 e! ~$ c: V - BCC Track_Enemy_Check_Begin_L1
7 d5 W' ^& n4 e6 V$ D. @6 T - 0 k/ e3 Q$ Z, s T
- JSR Track_Enemy_Ex ;2, 4* W8 L4 m4 i# a/ V2 ^# \
- LDA #$00) F8 p$ K3 t: z
- BEQ Track_Enemy_Check_Begin_L22 y2 F3 B/ F+ m+ X
-
6 S. \3 v- x, {: L - Track_Enemy_Check_Begin_L1:# Q+ i6 |# R4 g# [ R
-
2 ?; I' J% ]: D; B1 q# f - JSR Track_Enemy( K0 p- W: n- H1 |2 a, L
- / v N+ b/ l8 O6 ?
- Track_Enemy_Check_Begin_L2:: `# T- z) _" g) Z& b
- 8 f2 u$ a( C U! j
- LDX Enemy_Index/ O1 u& S; V1 O! z
- Track_Enemy_Check_Continue:
) C ~- c! Z( M2 U7 e% o. s3 |$ ]8 B- x - DEX
6 z; U8 y* i. F - BPL Track_Enemy_Check_Begin0 U" ]. [& I9 q2 O8 U7 ~+ h/ R- w
- Track_Enemy_Check_End:
3 M* \- j0 x$ {. \4 _8 T/ g - RTS7 s; k- h0 e# A+ ^( C
9 W& a0 H7 v2 b, Z7 a8 s7 t
( C! S1 Z2 |( ^1 e1 t- D, r- ;查找第一个敌人, v9 @* ~* a8 d- y0 `, _
- Find_Begin_Enemy:
$ D4 L: O& i, @% p( k% b+ _" h - LDX #$00
8 } e5 m9 ^( ]8 z% P2 Q$ Z - Find_Begin_Enemy_Check:/ e' }/ @. l; f. ?6 K
- LDA Enemy_State,X
& I7 P* c3 y: m/ F$ ^4 W - BEQ Find_Begin_Enemy_Check_Continue
' j+ f, v+ u$ C: o - LDA Enemy_Blood,X
; M; X+ S( A' h, Z& b - BMI Find_Begin_Enemy_Check_Continue
) P$ D% Q9 \; s; s& t4 t - BNE Find_Begin_Enemy_End4 q+ W) [. Q b* n, m. V% J0 s% j
-
! |/ ?# s2 }' m5 r: q) D( h - Find_Begin_Enemy_Check_Continue:9 d( Q. c+ d. [. |
- INX
% z9 M9 N J/ k" U! o, ` - CPX #$10- v/ b9 | n9 C4 V6 U
- BCC Find_Begin_Enemy_Check
- j8 O4 |: J+ |$ B0 l8 J6 |! H; A - Find_Begin_Enemy_End:
4 g+ `; b+ S& X# ?+ N1 s1 ^5 O/ O - STX Enemy_Index_Begin" ]5 m) o. j/ Z9 I- o/ k; o
- RTS, k& K/ T& g- i$ t* |
- ( X/ L& g* M4 U0 h! r
- ;查找最后一个敌人
8 J) z( i: M4 h& v - Find_End_Enemy:
2 w' s Y4 W) C' g! h - LDX #$0F
3 E/ `7 k6 q; H) A - Find_End_Enemy_Check:
+ ~! m! @0 y; m - LDA Enemy_State,X9 W7 d0 x4 U! j% V3 J. \8 H
- BEQ Find_End_Enemy_Check_Continue
, F% }7 F. O: @, q - LDA Enemy_Blood,X# q: M& \! Z% w# i7 ]
- BMI Find_End_Enemy_Check_Continue
8 d8 |5 u) [4 y - BNE Find_End_Enemy_End0 _$ @. r6 V a( _
-
' L7 R/ r P& j( V2 {6 W - Find_End_Enemy_Check_Continue:4 s8 @2 _# @9 x5 k$ s0 {
- DEX
`$ r: h5 L! T0 I8 L j0 ]* V! P8 z - BPL Find_End_Enemy_Check
8 m' I2 j1 j+ {. x( R; x# |( o' b6 U - Find_End_Enemy_End:
, H% B% @) x7 A6 `3 u- ~0 {0 _: Y - STX Enemy_Index_End
5 `6 ?: S) L3 t+ D: _ t - RTS
- e& U0 q0 I, ?8 h0 X
( H! L7 F. s! G& N5 S( A- ;子弹追踪
1 G" u' E6 }/ s, e# v6 t8 s1 a - Bullet_Track:- [5 ^4 ?. u( x, t1 k; m' u9 B+ T
- LDA Enemy_Index_Begin
3 ~# m3 x$ Z) h) t" ^ - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;4 `* L# [5 L7 W F2 D
- LDX #$00
3 x9 J% }( X2 |! Y. S - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
! q/ _, i( X( j - LDA Bullet_State,X! S6 q9 D2 U7 S
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;+ M0 P4 P( |1 a( G J1 ?
- STX Loop_Index_I! |' f; y/ a5 E( C8 O3 T: K8 l
- ' c4 F' s' D) o% ~- v- {1 ^
- JSR Bullet_Track_Enemy. m$ N3 ~* A2 H- C) q
- JSR Bullet_Tract_Direction( V+ {. |4 @% I$ B5 M( b
- 1 a4 ~7 A5 u) A$ g: x2 c
- ;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
/ s0 {; Z6 I8 ~( J7 V2 m - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;( S2 f; R( j* r* y* T$ Z' B
- LDA nEnemyIndex1 |; N6 O. _$ T! {! L c
- CMP Enemy_Index_End. \' q1 s. }$ h" t
- BEQ Bullet_Track_Check_Continue* R8 R2 Y' a6 ?) D# l0 g% g
- BCC Bullet_Track_Check_Continue: f: U/ D: x" d
- LDA Enemy_Index_Begin
! c# O/ p2 G8 C. ~: v6 z& ~% {% Q - STA nEnemyIndex
1 [' m; |8 s% u+ y -
1 t# Y* C! H- d - Bullet_Track_Check_Continue:
3 K# m/ @( {. C7 A" ^$ F0 Y& C5 V+ ~ - LDX Loop_Index_I2 b! W5 Y, o+ }1 s8 w( R$ x+ Q
- Bullet_Track_Check_End:, f! h' R1 c7 [) ^ M9 M F' s: q
- INX" ^/ S# C# D' y5 X* h( D) u$ N
- CPX #$10
8 ^' Q5 f* x1 x" U k+ |$ O - BCC Bullet_Track_Check
8 z$ v; M4 f8 p: u. j - Bullet_Track_End:, S3 h. k; Z; b; d9 D/ w
- RTS
# T+ u- S3 ^2 L - 2 _. I7 i) G/ H. r) {9 y
- ;给敌人分配子弹* H6 }1 I; O. Z5 J2 W
- Bullet_Track_Enemy:
' k+ _8 C5 {1 L' P2 |* Y - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)/ _. S2 H; T1 H. ^) [+ ~7 C
- Bullet_Track_Enemy_Check:3 [ p% O7 M3 e2 Z# O. o( N1 q. d
- STX Loop_Index_J' ?; A7 F" s4 {7 m9 j
-
2 e! r. i% `7 R# Z% L; M6 l - ;if (0 != nEnemy[j] && -1 == nTrack[i])1 B- i( y& x- g- S: h8 q
- LDA Enemy_State,X
, E; Z: U3 N7 l, A# W+ ^% S5 ^: Z - BEQ Bullet_Track_Enemy_Check_Continue: O2 b$ b* u1 I' F; N4 C0 E9 t
- LDA Enemy_Blood,X* s) K4 k* |+ y/ h) F1 D
- BMI Bullet_Track_Enemy_Check_Continue+ V3 H1 W! y) H, r& o& m* W* a' d" f
-
& c+ \/ o3 a$ E- P3 V8 m7 [ - LDX Loop_Index_I+ }% ^2 f3 F2 u# U
- LDA Track_Enemy_Index,X) U! s% {7 H$ Q8 y1 o. s
- CMP #$FF
0 s# I: E7 S& J - BEQ Bullet_Track_Enemy_Init
4 N' u1 L+ c/ d, W6 i+ z. U# N -
1 W% Y+ B9 ~( @* r - Bullet_Track_Enemy_Init:
% F- ~& K F0 B# d( Q - LDA Loop_Index_J [% z' x; V4 r; Z4 B, b8 s0 d
- STA Track_Enemy_Index,X ;nTrack[i] = j;
1 u1 l+ b% c1 I - 6 C6 a& X6 l; G: J9 a! i
- STA nEnemyIndex
8 q" U: r- l) v0 x% o( B - INC nEnemyIndex ;nEnemyIndex = j + 1;) M m9 O( x# ^/ ]/ w
- RTS ;break;
! \: }9 k/ i: X- Q6 X5 {# U - 8 i8 k; g+ f+ |4 K0 r
- Bullet_Track_Enemy_Check_Continue:7 b5 \6 x8 O; ]. T4 h
- LDX Loop_Index_J
6 J8 q! Z* z1 q/ v - INX ;j++& x5 V+ F- v# N9 s' c" K7 |
- CPX Enemy_Index_End! n, }) }0 Z4 H3 K9 X) S6 j
- BEQ Bullet_Track_Enemy_Check$ D6 }( u! T; m/ R3 M
- BCC Bullet_Track_Enemy_Check
S& _/ ^8 v8 L! c( s( V - Bullet_Track_Enemy_End:6 ]1 H3 X0 a; E8 `0 e3 h% y
- RTS# O1 s9 t# a; `3 F( Y
# L% ^, q, q! q( h& l- Track_Enemy:
( \6 a% y% q! a+ ? } u - LDX #$0F
0 _7 {5 j) V/ J) g. _ - Track_Enemy_Begin:6 B$ [ F5 t& I# L& ?
- LDA Bullet_Icon,X
h/ ?* v7 N) P/ }1 t5 A/ h' g: g - BEQ Track_Enemy_Continue
0 e3 ~( c1 Q3 f t - LDA Bullet_State,X
. }; e S' w; [5 N - CMP #$016 e' F9 v4 {6 N; b3 k( E
- BNE Track_Enemy_Continue* w4 q( s1 ~( V
-
: x; l6 l$ F; J, v - JSR Track_Enemy_Process+ F4 {4 k' l: K7 h; I; e- s/ z
-
8 G, U% a- d" A. ]+ e, H - Track_Enemy_Continue:
) c' a- a" K% G" b- U/ n+ X - DEX7 q K. E7 ~# Y) N$ e
- BPL Track_Enemy_Begin
0 n T* H. Z" ~, g/ Y- ?$ g - RTS
a' l5 K% t+ o; ]: o; _ - . a i1 N' ~& b) j! S- e0 h! l6 [
- ;普通关卡3 }* t4 {9 L9 U- k s9 r/ G
- Track_Enemy_Process:* e! L+ A" X+ a, U
- LDA Track_Enemy_Index,X' E1 I- t! Y. p0 S
- CMP Enemy_Index4 H) x+ B, b2 W6 e" t
- BNE Track_Enemy_End6 r0 L$ Q, t) b) b8 ]! {$ [
- LDY Enemy_Index! w& y; T. H2 y5 w% G
- JSR Track_Enemy_Y7 ]( o" w+ J0 ?
- LDY Enemy_Index
1 P$ L, d0 E4 |5 h1 F - JSR Track_Enemy_X' S& ]6 Q) G/ u6 `3 h+ n. ?
- Track_Enemy_End:0 y0 ~! |7 T" Q
- RTS
5 t# O U. b# j, b -
" v* g* n* t! c0 O. A - Track_Enemy_Y:
. Y5 o& M9 t* g1 p' ~ - SEC
$ n+ `* L. U0 L' O6 v. J, f( N- v - LDA Bullet_Y_Pos,X* Q6 C2 O9 A# k+ c! g& l
- SBC Enemy_Y_Pos,Y
: @6 l! w h$ B; x3 b7 o& F - BEQ Track_Enemy_Y_Equal
# ~0 i3 g7 H0 p8 L, C - BCS Track_Enemy_Y_Greater9 ~2 ?3 r- s0 ] Z- X: k
- $ _# y# f1 K) c# q
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
' X2 t5 Y" Q+ [ - CMP #$FC+ v3 s) X) {7 F$ q0 M3 D
- BCC L1_1
. I$ R4 h: K' \( M. n - CMP #$FE
; R. K* W+ e) H O: i ^% p; { - BCC L1_2
' \* l. c1 v% h2 K- D+ B2 ?, m - LDA #$002 M8 \3 [+ O& Z, E* j0 u6 @
- STA Bullet_Y_Speed,X$ e2 ^' H! M/ A7 ~6 M
- RTS
4 r6 S; j( y, ]2 d- h" @ - L1_1:
3 ~8 W- C V& \+ e0 D - LDA Bullet_Type,X
; t2 z& s* C1 Q- C6 N - AND #$0F& H" j# e5 Q; ?9 u4 K. B; @" a
- TAY
# _7 B# u% C5 V+ ^' {) X6 f - LDA Bullet_Speed_Data,Y
* w" l# e' F6 O4 s# ^: w - STA Bullet_Y_Speed,X
7 q O/ f5 v- V) z - RTS0 U: l$ d, T$ l; @6 x
- - D' f2 d0 U8 i# Y" e
- L1_2:
; o6 _" ~ a; ?! ]# {7 Y& z9 h8 L - STA Data_buffer+ N4 X. K. W; Z- y
- LDA #$00
. ^1 j8 [' F4 t- Z* o# I' I0 | - STA Data_buffer
/ f/ E0 W3 v- O - LSR
{0 J; \. R- h) O9 |0 m - STA Bullet_Y_Speed,X0 L; C x: K: B, z
- RTS" W" y) @+ s4 W: N7 l1 |
- 7 X* c- F. P$ V! s4 n
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
# y4 B) t- \/ M' G: n% [# } - CMP #$04& s, C( E) u4 v7 o; {$ b. q* n2 H
- BCS L2_1% ^2 u3 x7 g4 f$ @. ]1 C' y m
- CMP #$047 `$ _7 y4 Q( w# j4 }! e, d' T
- BCS L2_2
# S6 ^2 ^# ~3 C, A+ L - LDA #$00
( E$ T5 `% T$ w - STA Bullet_Y_Speed,X
+ A% v# X+ b0 }* G7 `, A - RTS
4 W6 ], J4 K) U9 k; R - , p6 R# O' R& N6 I# S, W) @
- L2_1:& `) J% a$ r8 i7 E
- LDA Bullet_Type,X) s& S/ q" S: k% w, ?: ~2 Z) j2 W
- AND #$0F
- e& d6 v+ h% p/ n - TAY9 d# R1 a" C4 n4 I8 }/ j+ V7 }) O) a
- LDA #$00
7 K. R( `4 y& x# F - SBC Bullet_Speed_Data,Y# z: n! [# `5 @
- STA Bullet_Y_Speed,X
( ?( @! s: \0 X9 d9 e+ C( E - RTS" n8 i6 I1 L5 R7 g8 \2 c7 t9 R
-
! m7 [+ x q; x - L2_2:
; I, s0 O2 [ i! H" J) ^* ?2 G - LSR P X5 Z! K' M
- STA Data_buffer
/ F# z4 I+ ~8 m8 T8 E - LDA #$00
, J! x" a& M$ Y2 u4 m - SBC Data_buffer# H+ U/ a5 \/ x& [5 Q
- STA Bullet_Y_Speed,X# U1 a+ Q6 Y+ z. E) h6 a
- RTS
+ N4 g& A' d" a( M! { -
0 q& w2 y( z& K2 y { - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
. _5 b, t; U& M8 N - LDA #$00, C, n1 T% c8 G5 P& n6 S7 R. B. W
- STA Bullet_Y_Speed,X+ U' n. I0 o+ g+ B1 t
- RTS
2 {7 U( C1 y6 k0 n3 q' m2 ~1 h - + W0 X, `9 z+ a- E6 Y) m. s
- Track_Enemy_X:
! ?; \0 _% t# r' l - SEC: F; j; ^: ?# i0 S/ _" t
- LDA Bullet_X_Pos,X
( H6 F) m; O* C0 `0 W - SBC Enemy_X_Pos,Y
4 p5 w' S6 `+ F- x - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
) ]+ e7 t1 ~7 E7 S5 M6 z8 H0 N - BCS Track_Enemy_X_Greater ;子弹在敌人下方
: Z- Z4 k! M9 u0 J -
4 N" L/ s1 I- E6 f: ] - Track_Enemy_X_Less: ;子弹X < 敌人X. d. i' k8 e0 @- m9 u6 T, u& r
- CMP #$FC- s7 v/ W' r0 r: R7 G% ]
- BCC L3_1/ P, W2 |# o6 p* P* w1 b% A- p
- CMP #$FE4 K: m* v( E6 v( a D
- BCC L3_2
8 H- Q+ N! c7 x( U - LDA #$00+ `6 q1 h% G8 A/ [
- STA Bullet_X_Speed,X
) B( U+ X; M8 ~; f4 h- ` - RTS3 R- T" x! j: ^, @. ^6 _
- L3_1:
! O2 R* z! O- E. g8 |2 N/ l - LDA Bullet_Type,X
* E- I& k# c* k) D' r0 U - AND #$0F
# e& ?+ [: Z! w' o+ R. F - TAY/ b! I- D `8 p" g z* J" g7 b5 Y
- LDA Bullet_Speed_Data,Y) h4 G* V0 B) }
- STA Bullet_X_Speed,X. @2 A) W. ]* ^$ H9 M a
- RTS( P2 g" X- B' ~4 x5 J1 v( c6 m" ?
- L3_2:
) _/ H4 L! {7 Y" X# u# K - STA Data_buffer
# ]! `7 F2 J* p+ v! v3 l7 O - LDA #$00
% N4 o. ^/ I; l3 b - STA Data_buffer
9 ?! y( `8 d- i2 q, Z - LSR( p1 O, G1 C6 T0 z3 X U( B
- STA Bullet_X_Speed,X) Q2 e3 j* r# d9 `2 C) M0 _
- RTS$ f! O( Q- S: S0 c* Z& V( X
- 8 p# X$ s" ]2 B* V
- Track_Enemy_X_Greater: ;子弹X > 敌人X. Y+ v$ _& i$ A$ v: W$ x/ Z3 r4 \
- CMP #$04
0 x) r+ ^) P* Q. H5 [" Z" V5 [ - BCS L4_1. S* ]7 I7 E. j: `5 O
- CMP #$02& Q# I2 G& K1 A- E
- BCS L4_2
$ H* g2 t! U; t8 c3 Y* @7 r& R - LDA #$003 }! R* l/ s' t1 M2 C
- STA Bullet_X_Speed,X
# {" V6 [8 m) r. M9 T - RTS2 D% D6 u1 {/ u5 x* f
-
; h/ z- d5 Q1 v1 j - L4_1: % n- c" Y: P. s1 y) W
- LDA Bullet_Type,X
3 J7 Y$ T, E& h2 A/ o& S# ~3 c0 j' d( y - AND #$0F
6 _( L% r+ b' F8 X: V! A4 [9 ^ - TAY
: `: v3 b5 R+ ` - LDA #$00
" b: K' Q/ ?% v- v( b7 R8 ` - SBC Bullet_Speed_Data,Y
3 u3 M4 j& X# f2 ?9 p* o( H# I* H - STA Bullet_X_Speed,X
5 J) M: o* t$ m2 G3 | - RTS H9 E, y8 U7 e" ]7 ?, y& B
- L4_2:
8 q- O" K" a! X1 a( \- p3 U - LSR: \: a. c/ s9 Q7 s: V* I
- STA Data_buffer
! K" s! C' G( q- { - LDA #$00% C5 i# {4 j5 t" {/ L9 s& m
- SBC Data_buffer$ d- K/ m3 ?7 ^
- STA Bullet_X_Speed,X- p/ `4 a2 y' H
- RTS
, @8 D: N0 F W6 I* d* o - - G" `8 d% u# r! ^1 Z) q2 K% N3 Y
- Track_Enemy_X_Equal: ;子弹X == 敌人X
/ \: d4 O5 w& q: o0 a- M2 X& E - LDA #$002 B. |! K3 S. Q0 U+ `
- STA Bullet_X_Speed,X
3 w2 \8 \5 F+ t9 d - RTS) i3 c. V, x& t1 B' \4 h# r0 w
- 3 x/ F6 N8 A X+ ~; G- ?
- Bullet_Speed_Data:5 ]8 ] h# q2 z$ C* }9 i2 O6 C
- .DB $00,$03,$03,$02,$03,$03
) V5 t2 o0 t1 @ - 6 V4 S: g) L; D1 u& U
- ;2, 4关3 G6 g" ]% _8 |
- Track_Enemy_Ex:+ y' [( M" K r1 g3 g
- LDX #$0F
7 f6 n/ \4 i7 ~/ W( h - Track_Enemy_Ex_Begin:
* \% X$ x7 U' M M) o! y - 4 e# a! |2 O3 L5 j- o
- LDA Bullet_State,X
0 L" q/ z0 B; A4 B - CMP #$011 L2 X4 K7 Z4 }+ L' C- [
- BNE Track_Enemy_Ex_Continue& J$ D/ `1 t2 E$ a0 l2 t+ m# x
- # g7 X& b8 X8 V0 c0 `1 l' c
- LDA Track_Enemy_Index,X
9 I; p* V8 C! v" b* \) [ - CMP Enemy_Index7 n# `9 I; v7 H: f- A
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标3 V2 x0 T2 z [' _4 }' U
-
% D# b( ~! L0 h - LDY Enemy_Index
4 w/ T- E2 Q, Q* Y - JSR Track_Enemy_Ex_X7 i6 B' o" C3 z ~: F* p5 K
- l( I9 d7 o& b
- Track_Enemy_Ex_Continue:% F$ ?3 x# Z1 b
- DEX
& r7 b* D1 Q: l - BPL Track_Enemy_Ex_Begin9 i+ a. Y* f& N+ p. J
- Track_Enemy_Ex_End:
* i" ?2 v. d" u) O% J+ z - RTS* }$ y: @. f& P5 j5 f0 e6 A
-
$ O" U" y4 f* Z1 I* ~ - Track_Enemy_Ex_X:- s% u3 e `. N/ ~3 M$ H
- ;LDA Bullet_Z_Pos,X
. `9 u5 A$ V9 k/ t% p - ;CMP #$049 x( D' q1 A- O6 C6 b# u0 B/ {
- ;BCC Track_Enemy_Ex_X_End2 {6 X8 K+ U" a7 ]( ~6 p4 V
- SEC3 @4 S: o: j* C+ @/ u2 T
- LDA Bullet_X_Pos,X9 J0 o6 a. q' R; c- y4 i$ C, e
- SBC Enemy_X_Pos,Y" \3 z T2 `. P
- BCS Track_Enemy_Ex_X_Greater7 ~6 J# o$ O' J4 e$ F. C
-
2 g: f" O8 q" B! P' l# i - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X6 Y: v# ^! G6 Q5 ]3 t
- CMP #$FD. T: G$ E9 a J6 W
- BCS Track_Enemy_Ex_X_Less_End1 x6 w9 I0 W# m! g* B0 C/ g" A
- LDA $6020,X8 c8 W1 h" q2 P7 r& x+ ^1 ?) T8 [
- CMP #$2A# ^- ^3 V9 C4 v
- BEQ Track_Enemy_Ex_X_Less_L1
# M; Y4 G$ u+ s - LDA Bullet_Z_Pos,X/ h2 w% `! ^; d8 ]0 Q& j
- LSR. R& p# ?$ e! A) Q; b
- TAY
2 S6 r! Z) k3 q4 b& N; [' ]& U - LDA Bullet_Speed_Data_Ex_R,Y3 K" \0 P$ V) E' I& T- G# I+ _: d
- STA Bullet_X_Speed,X
# [6 ^# g& i" n1 w. I1 H, ~# h8 N2 X - RTS
; Y: e$ q, L* Q/ C - Track_Enemy_Ex_X_Less_L1:
/ `" z% a j% E3 e
! J3 F3 t* |4 u- G$ O, t* X- LDA Bullet_Z_Pos,X$ \7 C" ? }3 e* J* ?$ B
- LSR
) u' u0 {4 a U' X. t3 |7 M7 _! I - LSR3 Y1 ~ R7 y9 h8 Q( y p
- TAY- k/ v5 a3 L" {/ Y" q1 i
- LDA Bullet_Speed_Data_Ex,Y
9 }8 L9 @/ u t1 e- H& e - STA Bullet_X_Speed,X
& M& f7 f1 q: M' G$ o - RTS
+ @- ^. |3 d/ t( I -
/ H9 ^& E% k5 s9 b - Track_Enemy_Ex_X_Less_End:
! _- c3 @8 O5 K* x/ M4 f2 @ - RTS
, `; n8 O& Q( s( c9 W - ( R' d5 M" e" i6 V1 ?$ P1 w+ |
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X7 b( d' u6 A5 M$ `3 M' U
- CMP #$03
: S, F3 n e, f. z# I' O# c - BCC Track_Enemy_Ex_X_End
" k- {. X- A7 @% X) u' d - LDA $6020,X
4 W& F1 ~1 X `( j - CMP #$2A; F4 m3 Y0 _& `
- BEQ Track_Enemy_Ex_X_Greater_L12 |$ ]% N! L' @6 k/ U
- LDA Bullet_Z_Pos,X
: e* t6 x2 B3 A( w; Y - LSR& H' v) F! F5 _' d1 S9 t. l
- TAY0 J! ]1 q% \* T4 G
- LDA #$009 T; z/ d7 h2 w- B: I! X2 w1 a8 T6 o9 B
- SEC
- f+ P* I8 F; n1 G f5 |0 S - SBC Bullet_Speed_Data_Ex_R,Y. t' Q! L; x6 N% v5 I6 J
- STA Bullet_X_Speed,X( ~! r( N7 ~9 ~3 J# X" q
- RTS
2 F5 t. Z. z* E& ` -
. H4 ^" F; K+ R- {, O - Track_Enemy_Ex_X_Greater_L14 C' ]2 }* x; i2 }' A
- LDA Bullet_Z_Pos,X
( d4 F6 d% G; f+ L6 C; B& e - LSR M! h0 c, @$ ~# W- i# X0 L
- LSR V3 n% Z9 @: n! d' Y; t* A. U
- TAY8 p9 P, Q- ^+ u! [& V$ }
- LDA #$00& [& u5 Q" {1 J" L* W
- SEC8 r4 s1 {% s& J$ n: a1 m
- SBC Bullet_Speed_Data_Ex,Y G5 Q, j2 d( l
- STA Bullet_X_Speed,X
H8 j8 L+ x2 j' V3 E$ U - RTS" G$ }6 G* d: N/ J: c$ i( N
-
8 ^ M0 ~& j9 Q) Y* _1 v# F - Track_Enemy_Ex_X_End:
" L c/ }4 k) d) a9 e9 U - RTS' h: Q- M. \- K( o0 k, z1 g: g
- - X+ [$ W( s8 }" a, q8 C
- ;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)
) Z5 U' h C& |6 J# a - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上0 ~5 d \ }0 g+ u9 z. L
- Bullet_Tract_Direction:* U4 V& }; H2 f% J7 m5 e
- LDA Bullet_Icon,X. @; c |) [) h8 a5 k/ W/ J
- CMP #$230 e* c$ p7 P) O( E
- BCC Bullet_Tract_Direction_End
8 I2 G% V( ~' v9 R$ @ - # u' t9 o7 k v- \ F! J% X
- ; X != 07 l+ w$ s8 P! a8 O
- LDA Bullet_X_Speed,X
, O9 C+ m3 H3 O2 n" m1 {% r) u& x - BEQ Bullet_Direction_V8 X7 [" U3 ~. P) v7 ?0 U5 f( _) [
-
# w9 k4 Y7 r1 O% D3 R - LDA Bullet_Y_Speed,X
3 M" z3 h. s! Q/ V; C0 T - BEQ Bullet_Direction_H
7 h; v; N5 `5 ~5 T N4 D - 6 J2 ^; S' @3 |
- LDA Bullet_X_Speed,X) l+ ~+ G4 R7 J$ } p
- BPL Bullet_Tract_Direction_Right
3 r- }: ~5 t. D+ W0 f2 A - Bullet_Tract_Direction_Left:! o% a3 y* U& g1 S" N# Q
- LDA Bullet_Y_Speed,X4 d0 p: y* o" v3 n
- BMI Bullet_Direction_Left_Top
6 n% r% V# }# Z+ [+ o, ] - BPL Bullet_Direction_Left_Down
9 ?2 M& n7 O2 Y3 u0 c - Bullet_Tract_Direction_Right:4 ? |( D# \* P" T+ X2 N5 X& T7 y
- LDA Bullet_Y_Speed,X
6 P1 e) \, G; _" l - BMI Bullet_Direction_Right_Top
- |# m8 _1 f! }3 x/ N7 y - BPL Bullet_Direction_Right_Down N/ L) \8 n. G7 T: |
- Bullet_Tract_Direction_End:
5 S$ r/ b8 Z9 m/ P2 n7 E4 U7 n - RTS
& \5 c5 ?$ n: C7 `8 ]! G
& v+ m# d6 B s9 ~* r) G- Bullet_Direction_Left_Top:
3 h% n; H) | c1 t - LDA #$25 Y5 }9 n& v6 f# @: b4 }
- STA Bullet_Icon,X1 D9 Z6 d6 Z: R
- LDA #$C0: f. q# {' s$ k$ k: p
- STA Bullet_Direction,X
& _5 ~- p6 X6 M - RTS B; U0 Q- [: n# K8 U' w6 b; _* @
9 ~2 ^3 f/ W4 k4 |& m3 I- Bullet_Direction_Left_Down:3 z% v- ]6 O6 z6 P) o
- LDA #$25
$ I9 B- L, r6 G7 X! H - STA Bullet_Icon,X
( z0 s) a5 Y2 X1 C: [ - LDA #$40
; l9 q7 v2 E" `" G5 c* u- n2 Y - STA Bullet_Direction,X4 d* e$ l; J8 a' w
- RTS. G2 @* g$ f* E: J1 S. I
- " @2 \: h, g& J* ]
- Bullet_Direction_Right_Top:$ T9 r$ d; }/ n, I
- LDA #$25
6 [' i( Q. C* O+ [" c - STA Bullet_Icon,X
}$ N1 _, R ^4 R/ ^, B - LDA #$80! N) p* t# x# d3 N! C1 O
- STA Bullet_Direction,X9 s) W: j+ a) O
- RTS8 j. ~. O6 m5 @/ Q
. v7 Q: G& X1 n8 _1 |$ v& v! f& d- Bullet_Direction_Right_Down:
% M+ d' @# n3 @4 L+ T - LDA #$25, ^$ h) Q7 @2 p- x! k5 l/ u$ E. P
- STA Bullet_Icon,X" @ v* {6 E* ?6 W" m! M
- LDA #$00" i- v: ]. ]8 \7 A$ y# j9 G" ?5 p3 b
- STA Bullet_Direction,X) P4 P c) z' Y8 e7 c, v, a% s
- RTS2 V# Z, V2 S" Q4 r
- * r1 X! A! G3 T" J
- Bullet_Direction_H:
# K. ~. \8 f; d, n - LDA #$24' Q! d& D; i3 L* p% T$ j7 V* H6 D- c
- STA Bullet_Icon,X: {- M1 m4 N- s+ B
- LDA #$00
4 B# ~3 j' u( d- t, J - STA Bullet_Direction,X& g$ }8 i8 O1 B0 G
- RTS! s0 X5 G$ T0 R/ ]# T
- * f4 r% L% ]4 \* ^3 X
- Bullet_Direction_V:- H9 v' L2 k: q5 m( c
- LDA #$23# \% _4 H7 [" j1 x$ z7 F. S9 d2 h
- STA Bullet_Icon,X
& c5 T6 H- N+ S - LDA #$00/ ~4 u1 i; a q3 `8 m
- STA Bullet_Direction,X
: o \; s( v Y% C; _/ B* D( x - RTS
( @9 C6 N& B; ` - + v4 M3 e) I7 W4 k# G
- Bullet_Speed_Data_Ex:
1 {7 t( k% I# Q& T6 o& W" F - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04' n1 l; c& w/ u, @
- & R, G6 i0 G1 k- R- F/ |1 }
- Bullet_Speed_Data_Ex_R:
% t/ d) u0 \& a6 x- J$ E - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08: n0 \ A- ]3 L: ]/ T3 ~, z
-
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