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[FC][魂斗罗][J][追踪弹]
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+ E, g+ ~4 k) k% [8 S2 u$ Z0 y时间:2023.04.30
8 w4 E0 l" E8 G4 A: t作者:FlameCyclone M2 m s' P! y8 n. }5 H! W8 t) b, w
内容:
5 ]# d3 z, T C. o" m) ~1 `- I 1. 所有子弹追踪敌人
' H5 \* b! a1 L2 t0 x7 e 2. 选择键切换武器
+ O6 R5 C1 n; k 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
# f, c" d5 q1 Y& K6 s% U+ j5 F* F& S8 n
flamecyclone.ys168.com
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) }" R) V% o7 |- W8 w( J- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
1 y5 S! ?5 r) h- c! U - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
5 x6 o/ V5 f3 g/ Z' {" a7 }% l0 T - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)8 A- Z$ j0 r' s3 X
- * _* N" N. P8 s* @7 P9 N
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)0 B9 M0 `! u" G$ |6 j1 a4 n
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上: T# B( z- X! e# X
- , x4 Z r& i3 N! u
- Track_Enemy_Index = $6000
8 m1 m$ J' S7 i" P, x: r- P; c2 O5 _ - Enemy_Index_Begin = $6010+ t) m7 S5 ]7 N( v$ E
- Enemy_Index_End = $6011# s+ R7 E9 O7 v0 H* c
- $ e# _: S, v8 @# X# x2 s
- Loop_Index_I = $60126 g: {9 L% R/ U# J2 V ~
- Loop_Index_J = $6013
4 m, U; Z+ H. Z+ H2 w7 z7 b - nEnemyIndex = $60149 s/ T4 t' n; Y G
- Data_buffer = $6015
: B. K8 L5 q- }3 v& Z
4 K# e3 g: n; ]. T- Bullet_Y_Pos = $03B8 ;子弹垂直坐标: M4 `* z3 `0 I& N! E
- Bullet_X_Pos = $03C8 ;子弹水平坐标: g" b( s9 u }& ?8 g+ J
- Bullet_Y_Speed = $03F8 ;子弹垂直速度. n' V6 x/ J1 p+ F* L# A& w$ d/ P! M
- Bullet_X_Speed = $0408 ;子弹水平速度
8 M, {: g. t9 W) ~, T3 u0 H - Bullet_Z_Pos = $0418 ;子弹Z坐标! }1 M( u: I3 W
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P5 u( } t6 f, D) n/ w3 @" X% q
- $ d, r! y' j! E: m/ j" j7 c1 l
- 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
* @1 i3 Z/ Y9 X! T* Q% V* @ - Enemy_Blood = $0598 ;敌人血量! v% U% z; I2 |) w+ r! d3 Q% g
- Enemy_Type_Addr = $0528 ;敌人类型
! N0 v; B7 v1 O7 j) p, z M# \) \ - Enemy_Blood_Addr = $0578 ;敌人血量1 X! E. f; |2 u
- Enemy_Y_Pos = $0324 ;敌人垂直坐标5 K" \ W; C; ^0 S h! h; ?# A
- Enemy_X_Pos = $033E ;敌人水平坐标4 |5 w; w- b+ a; l5 j
- Enemy_Y_Speed = $04E8 ;敌人垂直速度+ z. b. O* L% B
- 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/ V/ B" n2 D. S
! N) O9 z+ x k6 j- Enemy_Index = $83 ;3 q0 F& J4 U7 O; l" T7 \" s; {
- Time_Count = $1A
" M3 @7 ^) {3 n& g [" [ - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
% G' _" g2 c2 P - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
, |+ D- @, o# k' B* f - 7 u' \6 q6 ]) w4 X! ~
8 P) L6 c6 S2 Q, h) L& w7 [- .ORG $6100! o# @, I4 `" h1 M# z* X+ P* s
- Process_Begin:
1 O" W& O0 g) ]6 k - JSR Enemy_Check
' ^6 q5 T- \9 g. B) a9 P! L. S5 p# h - JSR Track_Enemy_Check% j- O. ~( |3 o/ Q6 S
- Process_End:
1 J* X6 S, n& M( X, f1 s. _2 r - JMP $E54F; { t q& T3 G R
- , g8 N- } k' U; N; w0 e! u% q6 z
- Enemy_Check:. t1 r" P! o1 P
- LDA Time_Count* m5 X4 T% r: p+ \/ A
- AND #Track_Bullet_Speed
, |7 F9 E$ v. e% g+ g" R! G4 B, q - CMP #Track_Bullet_Speed
0 e- k" L! K6 J7 R. } - BNE Enemy_Check_End9 Q5 I" Y F0 `
- LDX #$0F2 X' @- ~) i2 N; {
- Enemy_Check_Begin:; m! v) _. ]+ d# k% p: D$ L
- LDA Enemy_State,X
# [/ R, {4 j! B- G5 t' K6 G - BEQ Enemy_Check_Continue' I9 D1 r: ~2 {+ r
- STX Enemy_Index) v* } N2 H1 r! A+ M# i
- JSR Find_Begin_Enemy6 B3 T. z: |5 N/ @3 j8 P4 V
- JSR Find_End_Enemy) E* l) L4 @; Y+ _3 [/ N
- JSR Bullet_Track+ |/ H2 `) m. \# w2 d; ~& O+ M
-
8 _! ?9 Q9 I" P" B - LDX Enemy_Index
5 N, k) G4 j: J( s - Enemy_Check_Continue:# R6 `# d M4 f
- DEX
- j# e9 G) }& W& @0 g T' r: K - BPL Enemy_Check_Begin* E- z4 ~" V1 W0 ~: Q/ b6 V! D
- Enemy_Check_End:9 w1 {' f# X; D4 X) d# o' J, P
- RTS
8 |1 w7 A' E" J* C" ~ P' _ - # C/ r) i7 q M1 t5 l; l, K
- Track_Enemy_Check:! M9 f0 Z4 l7 r9 P. S. x9 T( v
- LDA Time_Count
2 ^) ^4 L d& O" R - AND #Track_Enemy_Speed
* F4 s5 q# f I, ~; y/ y - CMP #Track_Enemy_Speed/ }4 k8 ]; l: u7 {1 I) v
- BNE Track_Enemy_Check_End1 A. G3 u3 a- `! ~4 K; a) V
- LDX #$0F( F8 R' n& @% l- Y8 W& y
- Track_Enemy_Check_Begin:
/ @# \: T- Q. V' J+ M - LDA Enemy_State,X
# B$ ?4 r$ z/ h. C- v' { - BEQ Track_Enemy_Check_Continue8 D4 U2 \9 ?$ x4 M
- STX Enemy_Index! ~" a5 t' [4 Z" w0 e: v3 D2 U6 _
-
( O6 N! D# j) M. U5 g5 ?) f6 @ - LDA $40- h# H: Z. V7 F' b, z* N- w; o
- LSR
|9 S" V6 {$ B5 k: e - BCC Track_Enemy_Check_Begin_L1
0 u% v) t9 e4 C: X -
! [* H7 z( K6 _ - JSR Track_Enemy_Ex ;2, 4, z4 s6 ]2 v; Y7 i
- LDA #$005 K' h. g1 ^4 c+ C+ \/ |/ A/ \$ h+ z% p
- BEQ Track_Enemy_Check_Begin_L2
9 n+ d. p' _. l2 b- ~6 T* Q2 | -
# J" H% ] G, _1 q - Track_Enemy_Check_Begin_L1:
: m* N" y$ g4 C: v4 e$ A" t3 f - : P& L' U2 j: s& l0 Q* Y. a) Q
- JSR Track_Enemy
' P$ z8 {$ o) D0 l9 h
2 L" }& y X3 y5 z- Track_Enemy_Check_Begin_L2:& @3 [ y) i4 H. ^
- # c1 O$ R6 v G
- LDX Enemy_Index
7 X: v3 r# Z2 U% Z - Track_Enemy_Check_Continue:
: O. h4 l# Z0 z" h& ^ [2 m7 l - DEX
9 V+ a, N4 R3 v - BPL Track_Enemy_Check_Begin
. B# F3 b' e, M8 c- w" X6 M - Track_Enemy_Check_End:
# M h# O6 p2 K - RTS
, n( e0 j$ D' s4 \ - " m0 [# g5 i |) Q# f0 q
- # ?( Q" k5 y Z& V% Q3 D6 V; K
- ;查找第一个敌人% z% t6 R& w' [, l U) c3 F
- Find_Begin_Enemy:; K8 @2 a$ d+ Q( P0 C4 U& ?
- LDX #$00
K) s5 d7 B6 F - Find_Begin_Enemy_Check:
$ y3 h* \, G' v1 o- j( ~/ Z - LDA Enemy_State,X9 S4 [4 P- P' @
- BEQ Find_Begin_Enemy_Check_Continue
0 r, c- S4 b+ O/ U - LDA Enemy_Blood,X
7 v! Z- Y/ f! Z: D& s - BMI Find_Begin_Enemy_Check_Continue
1 [/ ?+ }; G( R3 I0 R3 [) @" g' A - BNE Find_Begin_Enemy_End
_- N; \/ g, a9 V) T: N; }+ |6 x - 5 J" i5 N: I) K d s8 t* o
- Find_Begin_Enemy_Check_Continue:: K1 I: |% K) L& @7 W+ z. l
- INX
/ [7 M2 L' U0 p9 Q# L o" J - CPX #$108 o# ]/ B# T) I: f7 z
- BCC Find_Begin_Enemy_Check
C! L Q; D2 f1 G - Find_Begin_Enemy_End:/ V. Z. j4 @8 t1 P+ `" {
- STX Enemy_Index_Begin
, M5 O0 ]1 z8 T6 ` - RTS1 E; b3 U0 A' P3 [/ _
c5 D- z- a4 } q* n5 i$ g- ;查找最后一个敌人/ v, N0 {8 c1 Z! [% f6 W$ z1 [. e4 {
- Find_End_Enemy:
) J2 u' V% B5 ?5 c% G* `3 [ - LDX #$0F
7 Y) ?1 V# f& C: V, i - Find_End_Enemy_Check:
* i7 z- Z( s2 y - LDA Enemy_State,X
: H. w3 Z: J& o3 B; q' T8 l - BEQ Find_End_Enemy_Check_Continue- J8 f) b( t* ]% b. i W1 z* Q
- LDA Enemy_Blood,X0 [& A( E7 M. ?* A9 W
- BMI Find_End_Enemy_Check_Continue
G7 C" |. f# t' u" n - BNE Find_End_Enemy_End" r7 {$ c! b8 K( Y
- $ h, z: J; H: K% n+ [
- Find_End_Enemy_Check_Continue:
- K4 c' V) i q0 ~1 w/ Z - DEX) a& p, E& N9 }' j4 p q' t* T% g
- BPL Find_End_Enemy_Check( C/ g! F* U, `) F
- Find_End_Enemy_End:
! }/ C. H- K: v& f4 y - STX Enemy_Index_End+ \! q$ h" y+ Q2 o( g
- RTS, |7 U8 ?: S* o" o9 e! G) n, ~4 O# R e
1 ?$ a: D+ y2 d( G. j. y' U1 X; N- o- ;子弹追踪
0 W9 k. @# k4 H! ]8 F - Bullet_Track:
( N5 b6 ?8 H Q - LDA Enemy_Index_Begin
/ \& B2 B. y1 O3 G# X - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;* k& U! H t3 M2 U$ Q
- LDX #$00
# b2 s$ M- ~! J/ x! G, | - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
2 S! D) k( @% e7 \% P& k0 I8 m - LDA Bullet_State,X/ o+ x3 z6 [) c$ ~6 ]& J
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
8 _, r: @0 ^% P+ k - STX Loop_Index_I
Z2 \$ V. |) D9 N+ [# i/ ~ - l3 I: c% p, \) @* b
- JSR Bullet_Track_Enemy
/ j- V0 x7 g+ O; R% ? i; e - JSR Bullet_Tract_Direction
( o2 G5 W( F' y5 T2 U. m, P4 { - 0 {1 v( n* _" \7 L1 b! m
- ;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
$ }6 T) Y$ [7 H - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;8 P6 E* P) R: z6 p8 d
- LDA nEnemyIndex% t. w7 d8 s# }- v
- CMP Enemy_Index_End
. v, f! O5 ^4 p: n, } - BEQ Bullet_Track_Check_Continue
* w+ o3 _& V; ]+ [2 m - BCC Bullet_Track_Check_Continue6 e' X' Z0 I5 g- ]: S0 b, B G
- LDA Enemy_Index_Begin* @, O' r% ^* Z- B2 i8 g
- STA nEnemyIndex2 k" p+ U3 v% t# X0 q8 L6 t4 p; G8 z
- ( J- Z7 c5 V+ U
- Bullet_Track_Check_Continue:( ^* j9 S" F$ s
- LDX Loop_Index_I7 Q! ]' L6 K- V" R' g
- Bullet_Track_Check_End:
9 [' l. p2 i( O) y; B+ w, u - INX
1 E# A' }* s6 ]$ d, T - CPX #$10
/ ]& d# ~* K: W+ H1 [" b, k - BCC Bullet_Track_Check
) ]) |3 {* m/ K: _( f0 \ - Bullet_Track_End:
' M6 S6 l, l/ \ b8 ` - RTS
/ n2 B A4 E/ W - : k* w9 o; B4 j
- ;给敌人分配子弹
$ J/ N& l) i1 N$ M( p0 ~3 k - Bullet_Track_Enemy:; g" G7 t: J2 |3 N
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
9 X& B* ^7 h9 ?# ^/ K: E3 P6 G% s) Z - Bullet_Track_Enemy_Check:$ K1 ^( i4 K% z: H" A3 _
- STX Loop_Index_J8 U' y/ Q2 ~! f' ~! c i
- ' L5 z$ U% P5 U" I: | O; M
- ;if (0 != nEnemy[j] && -1 == nTrack[i])) H5 A m R0 |
- LDA Enemy_State,X3 u0 x8 [8 C- o* \+ `
- BEQ Bullet_Track_Enemy_Check_Continue6 \1 g P& @% W6 Z
- LDA Enemy_Blood,X8 y% x$ P1 r0 A
- BMI Bullet_Track_Enemy_Check_Continue
7 W3 N; Q q0 x8 W -
( l) U1 z+ y y7 k$ p$ W( ^+ ]) c - LDX Loop_Index_I
0 @7 R# w* R( n2 F( q; m. A' T5 a - LDA Track_Enemy_Index,X
9 i! E) t9 ^1 e' I4 e - CMP #$FF8 I2 X6 q7 j- m5 w2 A
- BEQ Bullet_Track_Enemy_Init
/ O0 ?2 ^$ l) w, H I5 v& B -
; w* k" Y8 P( L - Bullet_Track_Enemy_Init:6 Y' d$ {' V" i
- LDA Loop_Index_J
4 k+ a: g C4 R8 R, x - STA Track_Enemy_Index,X ;nTrack[i] = j;* l$ Z) \. ^& [" P
-
9 k }# E8 I- C; y - STA nEnemyIndex
4 Q5 ]# y. j2 r' |7 [7 E# y# s9 F# y' b - INC nEnemyIndex ;nEnemyIndex = j + 1;
6 x* ^0 R3 t! Z4 Q0 I- ` - RTS ;break;9 ?# u& P* a! h& j$ d
- 6 S/ U! {" U$ Y- ~$ K
- Bullet_Track_Enemy_Check_Continue:
+ H: ~; D7 \0 F5 N9 N0 x: e: C - LDX Loop_Index_J
2 ^. Q2 s; M" t+ a: g4 C- b5 h( i - INX ;j++1 k( K3 a7 Y# S: y
- CPX Enemy_Index_End
' Y+ n. N* h. ^+ h: H$ [; g5 I( g) H - BEQ Bullet_Track_Enemy_Check# L' Q' f1 o+ B4 V4 @+ o; A% Q
- BCC Bullet_Track_Enemy_Check& N Y& T7 Y# w5 q6 m
- Bullet_Track_Enemy_End:) z- c; f7 `5 _) X5 v
- RTS9 t6 u/ \; E8 l: I C/ I5 f
- 4 J$ [2 c* Y# C
- Track_Enemy:1 g4 l1 z( O! R( a* w3 l2 T( |# p
- LDX #$0F+ Z6 T+ e* X9 L# h2 {$ H4 e5 _; A
- Track_Enemy_Begin:+ r, y+ H) J( N4 S$ B8 T- p0 m- I2 S
- LDA Bullet_Icon,X8 A) s% [' N( Z
- BEQ Track_Enemy_Continue& u; A+ m3 h' b, E8 h4 q, \/ Z& w9 N3 O
- LDA Bullet_State,X
* l9 H* A9 e7 U, l/ o - CMP #$01+ i. X, b5 L5 L0 }3 B+ L
- BNE Track_Enemy_Continue
! j: V5 U! j |* d/ t - & B9 x' F. v+ F9 P7 [, V
- JSR Track_Enemy_Process% O" Y- G3 D# {( L
- k' ]1 N; P7 u( k/ Y# Z
- Track_Enemy_Continue:# R( D( z) \3 P
- DEX
3 }3 j0 @6 C3 ~+ E - BPL Track_Enemy_Begin4 D- N) t* i8 E w& R9 t
- RTS2 `, J9 {. O& }# ~
- $ f W7 j1 O; E5 n! i
- ;普通关卡/ w" l0 l+ l6 Z* R/ r
- Track_Enemy_Process:( X6 ^$ k- m+ [" s+ j+ a& t
- LDA Track_Enemy_Index,X" W! p. ^' c% z; [
- CMP Enemy_Index
" j2 N6 z$ J6 b K3 G' U/ `2 { - BNE Track_Enemy_End# Z U1 b0 A0 s8 Y0 e
- LDY Enemy_Index
$ {9 a! V& a" `( ~$ v - JSR Track_Enemy_Y' _, M3 i# H1 w
- LDY Enemy_Index
2 ~2 @0 b G0 q M) Q4 Z - JSR Track_Enemy_X3 _( t) k" q( N2 ~; ^
- Track_Enemy_End:& W( B1 P. N h) r( n
- RTS
1 F1 ?! v) I8 L" {4 s- K6 I7 a - 3 J- L, `- h6 Z4 ^8 J
- Track_Enemy_Y:
6 G8 J! g g- | - SEC3 \! L3 n* O. m: X. L3 U
- LDA Bullet_Y_Pos,X
. O6 |4 B1 Y- C6 a* x+ Q - SBC Enemy_Y_Pos,Y6 _' w5 T3 ?3 k# O; K% o
- BEQ Track_Enemy_Y_Equal
3 b5 ~" Q* F5 o7 z* q( a - BCS Track_Enemy_Y_Greater0 J& L; T2 Q9 ? g
- ! j B( {4 `$ R8 q O1 f# s' M
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
?. v' x0 J/ q+ B/ h! ] - CMP #$FC
" o) E8 r' A* Y7 T, {4 P8 X - BCC L1_1
& N6 x, `+ k4 g+ K" Q6 k+ i - CMP #$FE0 D8 B6 s. d& ~% e7 f
- BCC L1_2# I+ [7 Q" N. B( R' V$ I% q
- LDA #$009 a, U5 c( ` t
- STA Bullet_Y_Speed,X
0 A- o+ i- r5 g, k6 d8 O) D4 }. P3 Z - RTS
, s. i; N) b6 p5 H, g/ h! q - L1_1: # R' T+ b- U4 t/ Q% S, t( B9 U% c
- LDA Bullet_Type,X
& ^: i/ M7 d- x4 t* R - AND #$0F
5 q& a1 g/ J2 k3 s2 n0 w: B( V7 u - TAY4 U# R# R( w2 q u3 ?3 h( p
- LDA Bullet_Speed_Data,Y( J( \( d$ \. t4 \; \- u0 q
- STA Bullet_Y_Speed,X
8 z% E3 P3 h9 R$ F- ^ - RTS
! C0 w' ~, h5 l - 7 b0 M" z- _& v( N% f- t
- L1_2:
1 y" L9 l/ g9 [6 a2 b2 q - STA Data_buffer
& o4 u5 m0 A8 A$ H- \ - LDA #$002 x- @/ m4 z0 @
- STA Data_buffer
6 _8 H+ B6 Q) k - LSR3 t$ G; U* f5 G1 v
- STA Bullet_Y_Speed,X
0 G( w* L, x( P; O. y B - RTS
1 P6 c: Y* a1 g8 K
# q" M7 q" u3 X8 M" y- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y/ v7 J: ]. z! [ z" v o0 ]: \
- CMP #$04; o/ N5 e1 z8 M& g/ C; q6 O
- BCS L2_1% M; q4 m H! e9 y9 `
- CMP #$04
6 n% g; x# Q0 T" o$ P- E - BCS L2_2* _5 W0 _: x& k
- LDA #$00
5 h$ [4 S, o8 y+ I% l6 z# V - STA Bullet_Y_Speed,X; h4 v* {4 L8 W5 @0 f. L
- RTS
5 f2 t! o0 V0 z7 U; F( I - 1 Y5 x$ |" B1 B% O. ]
- L2_1:
, e+ k) F. ~/ W- P - LDA Bullet_Type,X
4 l% T3 D3 T4 t- Y0 p - AND #$0F3 Q6 C/ P/ S% d5 l0 d
- TAY; Q+ J7 D) R" R8 F
- LDA #$00
( g1 b& C+ t. F8 E# N* H - SBC Bullet_Speed_Data,Y, F) C2 z1 e: i7 L3 K
- STA Bullet_Y_Speed,X
% y" D" } C3 W6 m, t! W; E* E3 v - RTS: |; I f% i* D# m8 x
- & N3 z8 i8 O5 X( f9 v# N5 o$ d' s d
- L2_2:5 A; X9 [& p# T/ d
- LSR' j( q, m/ Y7 C. k& m2 t& h- S
- STA Data_buffer
, W% Y% H. _, G0 v6 f - LDA #$00
$ \: F' i% X5 {* s6 X - SBC Data_buffer! ?+ M" o0 R3 e5 W" d
- STA Bullet_Y_Speed,X
$ H2 }- P: m* d9 ?, x$ l1 x+ u; Q - RTS! D7 O( {% l* i7 Z! p% ]
-
4 \* b/ L' \5 Z+ {8 I, v( C' i - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
2 C, e/ l; @6 p8 ^3 j3 `. V - LDA #$001 l/ R* d0 U% P% _9 v! c
- STA Bullet_Y_Speed,X
) B4 \2 @- Y9 a6 \, g' u - RTS
1 p! r! R& ?8 \; w5 E7 J -
' x5 Y! Z/ B8 F4 z" v: L - Track_Enemy_X:. W8 N+ P1 ]+ l! u0 k4 F" ?) h0 d* k
- SEC! e( c3 K( h9 H |3 s
- LDA Bullet_X_Pos,X
5 J' C' O0 X. [ ~7 A3 N$ I - SBC Enemy_X_Pos,Y! i' ~+ h1 o3 \* j5 j
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
2 t+ P- `5 I# U$ ~6 H* k - BCS Track_Enemy_X_Greater ;子弹在敌人下方) H! Q0 W& ]* Y- H
-
) ~! b: X; M( o" V1 } - Track_Enemy_X_Less: ;子弹X < 敌人X D! o. r6 |0 Y5 }% c
- CMP #$FC( V+ E, a/ I+ ^! Y' j
- BCC L3_1
! r# U8 x8 c* [1 O' x - CMP #$FE
A l9 H+ y& i - BCC L3_2
8 W i @- V' |6 ] - LDA #$00
% _* t: U% ], U - STA Bullet_X_Speed,X
2 v0 S& Q$ D$ ~$ Z - RTS
( `8 p9 e( ]9 R7 [ T! j& b% H6 p - L3_1: 8 Y. W4 t" _+ W6 p' |
- LDA Bullet_Type,X
+ q( ]5 l, Z e! N( j - AND #$0F
( n* B+ D* G. v/ M, L" n7 O) } - TAY
* s; [3 ?1 m4 I/ C7 ^/ x5 q. N - LDA Bullet_Speed_Data,Y# x l" U ?( p$ L0 A: o0 S* w
- STA Bullet_X_Speed,X5 S9 C% G! T/ d# a+ F
- RTS
# d5 a$ [' c% [& j1 t2 ~ - L3_2: ) x5 s- ?) F( {3 Z4 D5 P" @
- STA Data_buffer
: X8 G; t8 q; e3 S - LDA #$00
, c: G. N0 n& }1 @6 y - STA Data_buffer
0 I5 U5 o0 t! _, H - LSR4 I) R; s$ ~0 S" l+ s4 r I
- STA Bullet_X_Speed,X3 I: W" U! ]9 u
- RTS7 ~" d/ [6 I9 ?3 G; U- g6 _6 z- D
- 6 f3 S6 h: p1 X2 [' j+ n
- Track_Enemy_X_Greater: ;子弹X > 敌人X4 d/ g Z4 G! {+ a- s: i! E
- CMP #$04% Y, y/ F2 [# e3 y7 U
- BCS L4_1
0 S# \% Y* a' r) I( ]5 q' F - CMP #$022 O3 R% ^$ M- p) M1 K
- BCS L4_2
4 { T6 u/ P; o0 h4 P% s! Q - LDA #$00
5 ?" K; w. Q- G6 F7 j - STA Bullet_X_Speed,X4 B2 ?9 D2 {1 `& m- N; w9 g
- RTS
8 Q( O' o7 c" H1 G0 b1 H/ t; _8 x) N - % H' U# e; x F* s1 w
- L4_1:
2 T& Y) @( v' T2 ? - LDA Bullet_Type,X
! ]; V) w! o& P - AND #$0F
/ s% L/ v1 |/ M4 e; u2 I - TAY
& Y! p7 ^1 s$ y! P2 e - LDA #$004 } M* H! g+ U% }2 v' o
- SBC Bullet_Speed_Data,Y
( R8 e8 t' p; ^; L - STA Bullet_X_Speed,X+ Q8 }% C. `% A: z/ S6 ^7 d
- RTS
* q0 Z- Q N. m - L4_2: 3 Y# s% l" n7 v- `! Q' Y2 `7 C
- LSR9 g; t; d5 X7 b2 l' X2 Q" a
- STA Data_buffer
# n1 I, e( c) \0 j+ [0 w - LDA #$003 Y! J( P8 `7 Z7 i. b) i/ F7 k
- SBC Data_buffer4 {; T! `4 F; H& X6 V9 I/ l8 t# G* V
- STA Bullet_X_Speed,X
: j# }0 l6 {1 X8 _ - RTS, O: A* w7 {! K2 ~/ Q/ G, i+ X
-
# k4 }; d0 |9 ~* y9 l - Track_Enemy_X_Equal: ;子弹X == 敌人X
- Z6 _9 D% L6 Z% R) P9 z& @& E( G, z$ L - LDA #$000 f4 \7 C7 ] p' u8 s6 M
- STA Bullet_X_Speed,X
( q' e9 G6 A2 n8 M! t2 x; A! a% n - RTS( p* ?' W3 [1 G# r' V) B9 W& s
-
& ?% o1 W5 r0 O - Bullet_Speed_Data:& {" x/ M3 h) a5 S3 S0 k
- .DB $00,$03,$03,$02,$03,$03
5 N' d+ Q1 K, U% B -
# k+ X9 F, K; K; ]" t6 X$ q& w/ E - ;2, 4关! M0 r1 u: Z; U% Q* X) v! ]
- Track_Enemy_Ex:
5 D# c. S- K4 O3 {1 g4 S: [# ` - LDX #$0F
- g# X1 n% H+ _0 P - Track_Enemy_Ex_Begin:
( Q3 U1 u. a9 w' g; Y x' x - 1 c: j7 p6 a! r9 e4 y- P
- LDA Bullet_State,X
% z( f9 }: l( p' v4 Q9 K( A - CMP #$01$ D& f4 U( T+ r5 ?" \8 m
- BNE Track_Enemy_Ex_Continue; L# R& A5 X$ B ?% V# p% z, r
-
! L* q+ t1 \9 {+ G - LDA Track_Enemy_Index,X
' _- m/ X& C' l: I; M6 t* \) F& s - CMP Enemy_Index
% s' E& ?" J6 U( I$ B - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
/ K+ Q! N6 H( @ - ; Z! `( d5 u7 u4 r
- LDY Enemy_Index
- _; h, S) N3 i - JSR Track_Enemy_Ex_X
7 W6 ]) ^4 h6 f. i T% C -
& E* Q" w2 q9 c3 O) B; x& E - Track_Enemy_Ex_Continue:! g: K! E, x4 o3 Z, s# \9 t3 a- @* m
- DEX
$ }& \. ^1 U6 m- | - BPL Track_Enemy_Ex_Begin
( m& B3 B0 a! T- _7 \9 B) j) b$ z. o1 H - Track_Enemy_Ex_End:; H6 j2 L! U/ T' F
- RTS$ x) Q8 q+ d8 S$ g& C$ w
- $ y4 h3 H3 _# b3 `5 `
- Track_Enemy_Ex_X:3 ?; l7 {2 h; C, v: I4 }! y2 \
- ;LDA Bullet_Z_Pos,X1 `: N5 i; G: b) f4 _9 P
- ;CMP #$045 x$ @; v$ {* V, \0 n2 G
- ;BCC Track_Enemy_Ex_X_End
. i. t% X5 _( ]* [9 B - SEC
j5 r: k3 m- [7 ]- A E0 D& s5 A - LDA Bullet_X_Pos,X& v. s# S O" t
- SBC Enemy_X_Pos,Y# o: Y( w) I* ?( f* m( g) \1 O( p" O; i% J
- BCS Track_Enemy_Ex_X_Greater5 p# A: F& W, P, c6 X* w) E
- 9 N+ j6 f6 W' H- [
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
$ R9 {% n( F/ s8 p8 v Q: d* u - CMP #$FD* {4 r5 p* O& x) W. j' A4 ?
- BCS Track_Enemy_Ex_X_Less_End
) P, t8 q7 F3 m - LDA $6020,X" Z( t1 g% C1 R( X! O
- CMP #$2A6 ^# S7 O4 E8 l: x0 B
- BEQ Track_Enemy_Ex_X_Less_L10 @) q- } f1 {" v% B7 B7 w
- LDA Bullet_Z_Pos,X
% q( Y$ H& g+ u& f0 B, A* z. v - LSR' S U+ \+ T% E$ l- M
- TAY
- ]3 O3 ]5 ^; T0 v- n - LDA Bullet_Speed_Data_Ex_R,Y
" a, r. k4 G- ?+ C - STA Bullet_X_Speed,X
- b9 j4 j2 D. S$ p - RTS5 Q) m6 P4 p g) e
- Track_Enemy_Ex_X_Less_L1:
; N4 \8 \$ c$ {3 Q
: w3 i# c# o& j: r- LDA Bullet_Z_Pos,X
2 Q+ I6 C% m% L1 W, C% U8 H- T - LSR
) q, N2 A, h. x# S! }& I* t - LSR5 W1 z3 i3 P7 B" x( [' |1 D0 ^, b
- TAY
6 n" |" h H0 p" b( v - LDA Bullet_Speed_Data_Ex,Y* a! q7 g* |1 Z/ B$ M' O F
- STA Bullet_X_Speed,X
0 o; {: f; n6 Z, x1 y+ d. f" ] C) | - RTS
6 O& ~( \5 N3 ^: C1 }4 H" a5 J- C -
! P0 [3 E' P7 E4 n. y - Track_Enemy_Ex_X_Less_End:
, c F# ]- Y2 T0 Z - RTS
- U) b5 N- O* `/ [3 G
' |" h& l, R* P; V& m) ~- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X$ J. V3 r7 |( O
- CMP #$03. g, ]. u$ O- y) R+ Y8 L" `
- BCC Track_Enemy_Ex_X_End8 U/ L: v$ a0 W6 V% J
- LDA $6020,X0 w. q+ c, u& O5 m
- CMP #$2A
5 L0 A; F+ ^' x- v. D7 H7 Y+ C - BEQ Track_Enemy_Ex_X_Greater_L1& ^: R4 o7 T5 v( H# a
- LDA Bullet_Z_Pos,X
2 f+ f4 d8 e& A8 h - LSR
/ w# R6 x9 }& q& Q' W - TAY( [0 [- }$ B/ e5 y
- LDA #$00
* _3 Q- ?! \; Z0 F4 U8 l5 r - SEC
+ G8 Z1 m5 @( u* ^, h - SBC Bullet_Speed_Data_Ex_R,Y
5 C. c" P' F# _ - STA Bullet_X_Speed,X
4 e! B1 F( |- c1 Y1 W4 G - RTS
% R& [, l$ J- ^# m& a! \; A! N - 2 | G# s* m3 V2 s' j( D
- Track_Enemy_Ex_X_Greater_L1* j/ I4 ~" p1 V! l
- LDA Bullet_Z_Pos,X
) g6 ^# J: F* t, f# ^& }0 y: z& ~& @ - LSR
6 Z6 I9 l0 {( z7 D0 h - LSR
! s; O1 `; E8 e( h4 Y1 X - TAY; ^% ^ [8 [ n; {
- LDA #$00
! `* _* [, Y" e- t+ p" p% L - SEC
- r& g/ x7 p1 D2 l - SBC Bullet_Speed_Data_Ex,Y" i# K' \( I* E% t( T" H6 x z- e& N/ v
- STA Bullet_X_Speed,X
7 a' `4 `$ K4 V, a - RTS
2 ~8 U) ?" @, f+ }; t2 F! }2 B2 g -
% P ]* ?9 r0 A# Q" f5 e- ? t - Track_Enemy_Ex_X_End:/ Q: C2 g# h0 q) m# ?. s& Z
- RTS
: Z/ W& e7 ]' M! z8 V4 q4 U -
) I0 U7 A r! A - ;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)% j- Z- @6 J1 r/ h! {
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上& A: }7 R/ M* j" u# O+ x
- Bullet_Tract_Direction:
. F+ W& u7 \! `5 y6 w, G& Q - LDA Bullet_Icon,X- f8 V" x$ `9 z6 H" o( g6 p. d
- CMP #$233 O4 |" S- @& ]0 K7 t
- BCC Bullet_Tract_Direction_End
' y1 [* t4 ?% Q$ _7 q% { -
. `0 w+ U s; F - ; X != 0
$ }; J. x* M( J# x' R' b - LDA Bullet_X_Speed,X
' i& r% e' U5 Y0 D5 p/ u - BEQ Bullet_Direction_V
, C8 Z. D& c% }7 H -
# k# F. P9 q/ a" D" R" _' j; B - LDA Bullet_Y_Speed,X/ y7 |/ c# {3 ]# J4 R8 O6 F
- BEQ Bullet_Direction_H" U7 _& R; E4 f* y1 _6 \
- E2 ~- t5 k8 z9 `. c* W
- LDA Bullet_X_Speed,X
4 U) D) j4 e4 r( z - BPL Bullet_Tract_Direction_Right
9 ^$ S& \2 ]! y/ `& a - Bullet_Tract_Direction_Left:
^, O" F7 v; {$ N* U - LDA Bullet_Y_Speed,X
1 z4 k, C& Y' h" L+ ?0 b% a6 Y. u - BMI Bullet_Direction_Left_Top5 Q, b5 D- ~0 r2 i8 q2 J
- BPL Bullet_Direction_Left_Down( K, e6 o- O: P6 v
- Bullet_Tract_Direction_Right:
5 |) T' {& a. a: M+ {, `1 l# L - LDA Bullet_Y_Speed,X
; T* J. S9 y) T - BMI Bullet_Direction_Right_Top
8 D, f2 j" d9 v T; T - BPL Bullet_Direction_Right_Down {8 K8 K' {8 K
- Bullet_Tract_Direction_End:
" v0 i7 Q k# a& E - RTS
. ?- \& b" o% ]$ r - / n) i4 x" t6 M, _: I ?
- Bullet_Direction_Left_Top:
* f; k% a9 V( ^2 Y& C1 L - LDA #$25
7 @4 ^ Q' k. L% n - STA Bullet_Icon,X5 \. c. |/ W1 k0 p1 J1 b" ]
- LDA #$C0 U& ~: q% k% U8 i9 |4 |& k
- STA Bullet_Direction,X( \# C6 Y6 o" M& o
- RTS3 a; b) W# d, i: d% l9 M/ U+ [; w
- 5 s3 j5 k# S% c
- Bullet_Direction_Left_Down:" G/ M$ c4 G6 D# ?; `. n* H+ R2 U
- LDA #$25
* V5 E% S. v0 s9 P& K4 l - STA Bullet_Icon,X& l4 X4 y" G* {: Y# N# C
- LDA #$40
- N+ q& y, c0 g8 Q4 @; K - STA Bullet_Direction,X
/ n5 j z# ^8 `; B - RTS5 k* p( O! Q j( F% C' ~) U
- p" j! }; h% m- e. G- Bullet_Direction_Right_Top:
6 o) |4 B9 t+ V x - LDA #$259 x/ n6 L, `2 D9 N5 }/ @ p, ~8 l
- STA Bullet_Icon,X0 T+ R) o1 m2 L1 V/ L7 c
- LDA #$80
8 M# [7 b0 h: c* c/ f - STA Bullet_Direction,X1 L$ y: z( s0 a2 b* Y
- RTS f% w9 t2 u. r5 I8 }6 g
- + a/ Y: G7 J2 U! x! R* _8 W
- Bullet_Direction_Right_Down:
; ? {7 I$ U& w, X8 H - LDA #$25
# g l7 X; z5 G/ n- F: ~$ S+ j - STA Bullet_Icon,X$ r& b' L5 v4 L, T
- LDA #$00% L' r% Q+ j* A
- STA Bullet_Direction,X5 Y# N' \/ _6 u7 J% U: I' D5 @
- RTS
3 @ _; h4 f. b" c' W, n
$ x4 ~, r; y3 o+ k" `4 t- Bullet_Direction_H:: `/ k* f; ~( O' Y- Q9 R; b
- LDA #$24* X8 H4 d$ |6 r: A* k7 c& z
- STA Bullet_Icon,X! l; l& `: R4 Z& x% Q# y& h
- LDA #$00
+ J% H( A; e! g. m7 Y @ - STA Bullet_Direction,X
2 e9 A$ c9 W$ ~; l6 x0 f$ m - RTS
. z2 D9 e5 @* R* X# k3 E
6 M* {3 d) n0 E1 V- Bullet_Direction_V:% Q* C. q5 O. j8 R
- LDA #$23
; Z" u% R3 p* y, C. ~ - STA Bullet_Icon,X
" V# ~8 b% a* ^" Y& J9 x0 l/ ` - LDA #$00
* S; Q% `, S1 ^: N Q - STA Bullet_Direction,X
6 x6 x& {9 P3 s+ q5 K. t$ ~& } - RTS6 X" X6 z6 }, g q' k
- 0 ]) X# @8 |# ], ?4 V
- Bullet_Speed_Data_Ex:
. S% g7 ]$ p0 L* o - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
2 Z ?6 O K( `! U+ C U -
+ W% Y0 g( H( _" i* h - Bullet_Speed_Data_Ex_R:0 {2 B0 b# k6 O/ n8 s' ^
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08# ?5 ^ _$ [& z) i0 u! ~ x
-
复制代码
) ?/ W6 {6 Q' A- E: Y& u3 |$ f K: e5 x. d
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