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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.304 R& J" R5 f* g7 z
作者:FlameCyclone6 h/ C7 R1 L0 w* }) ?: v
内容: d) g$ F/ ], g8 u6 a
1. 所有子弹追踪敌人
( W. c* `) N# @' q$ u; ~, K+ M 2. 选择键切换武器
* B6 t, Q ~9 R2 ]: V5 F 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3 p9 i4 a0 w! a* Y' M* |" d) E4 L
) s' v& C" L9 J6 h+ H1 Gflamecyclone.ys168.com( @- T; }' ?8 n' R/ H
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
% t% A) n/ D, I: t9 @ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
0 J7 r; |4 \$ ~" C* R - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)0 s' Y% p/ N( C$ Y& G+ I3 b
9 m* a. g4 U2 p2 p5 v7 h- ;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)
& I: v3 K5 o; P s. E1 @8 V - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
, |6 d+ z+ L3 V3 [% `" \, n+ i
& n. ^ q$ G5 ^; p+ `. E- Z" p- Track_Enemy_Index = $60003 O, P P* C& {% z% `+ ^$ o( ^
- Enemy_Index_Begin = $60109 O7 W& {* q% c. V
- Enemy_Index_End = $6011$ Q" g' J7 Y8 n/ W) i
4 P/ b5 E9 ^! K3 {) D& i) o- Loop_Index_I = $6012
0 B" ]5 ]3 a' o! i( V - Loop_Index_J = $6013
+ R) `( G' Q; \* E - nEnemyIndex = $6014, k# s, U% H% B
- Data_buffer = $6015
3 t, @( s4 m2 ^3 b5 I
, \# r. }2 ~8 r& U5 Y- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
& L, J2 R* N1 I. E - Bullet_X_Pos = $03C8 ;子弹水平坐标3 z& z8 g' g1 x7 ?( m4 E
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
0 @/ u) a+ |- @ - Bullet_X_Speed = $0408 ;子弹水平速度
9 Q- j+ _3 b7 |3 c E7 ~ - Bullet_Z_Pos = $0418 ;子弹Z坐标! ]0 M( a; g* y% G H2 N
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P" U( ^- [$ q$ n( o7 I
- 4 t8 s: W6 ~- p4 w
- 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; G, c1 Y+ c2 e1 N9 p8 E# g# j
- Enemy_Blood = $0598 ;敌人血量
$ d$ L9 ]8 b/ C+ T+ |; z0 M - Enemy_Type_Addr = $0528 ;敌人类型
! N" V/ g# G" t - Enemy_Blood_Addr = $0578 ;敌人血量
2 W- X+ [4 y3 A; Y: v( R - Enemy_Y_Pos = $0324 ;敌人垂直坐标1 p( Y- R" c0 x
- Enemy_X_Pos = $033E ;敌人水平坐标" g' p) F6 m) h* m0 C
- Enemy_Y_Speed = $04E8 ;敌人垂直速度1 d9 F$ T: m! i8 p
- 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
9 A' m1 @9 ]4 { - 5 k* N! X2 c# A- Y5 R
- Enemy_Index = $83 ;$ n2 r: g# w: F0 [( N, `2 I9 ^
- Time_Count = $1A3 y/ D5 O( T. A1 M
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率4 O+ O- C/ T4 \& L: w9 }
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
7 K0 B3 v; u1 o; v# M. h: K! q - - w% D$ c! O" o" ]5 Z: A9 g' ~
- 8 R, z6 \. r$ `$ b9 S
- .ORG $6100. a, i, u$ c+ M3 ]9 \5 C
- Process_Begin:1 }& N& R8 c# U9 B
- JSR Enemy_Check
3 U# |* V' ?5 g# y - JSR Track_Enemy_Check
: T1 Y/ I! B+ f& }- W - Process_End:
( u0 j( v. d! W' i - JMP $E54F* `7 |. q u8 @- ~
- - F/ ?. Z2 u" |, w7 z' V c: l
- Enemy_Check:6 T7 A% y, B; P5 D) w0 `1 {
- LDA Time_Count
9 x. ]; L1 a, u8 n - AND #Track_Bullet_Speed! c7 {! Z3 R+ Z& D6 F2 e7 s. j
- CMP #Track_Bullet_Speed0 W! ~' ]* p2 r. F7 j7 A
- BNE Enemy_Check_End; s: \4 u# |# i# n' O, I+ j k$ o1 a
- LDX #$0F2 L" |3 F7 S' [0 i
- Enemy_Check_Begin:
4 U1 _: c; V: C+ z" @& U - LDA Enemy_State,X% N1 J) \1 y: q6 O% t
- BEQ Enemy_Check_Continue
" ^4 H. h# D; b: d' }$ P# t7 p - STX Enemy_Index# S, g. I5 D3 |) N* E) U4 e
- JSR Find_Begin_Enemy) N# i. X! S) }1 H0 J
- JSR Find_End_Enemy
* |# u7 ~: @, |, @ - JSR Bullet_Track
$ j2 R L9 p6 K -
& s- i$ C) N' p/ B! o D; h - LDX Enemy_Index
4 n8 c8 s" C; q# @. @& v* G - Enemy_Check_Continue:7 u6 j* j( [" B8 o1 _
- DEX+ y. V4 A7 m" j( Z% C/ A
- BPL Enemy_Check_Begin
) W* ]* `2 Z1 c. y5 Z# B' r a - Enemy_Check_End:/ A$ V. _$ c9 v" ]* E
- RTS/ @4 N! [! n' K7 D( J9 r
- ! U* |" j: i5 s7 v1 k1 B; ^
- Track_Enemy_Check:
3 l) d8 ^( f- x- f0 _ x( R - LDA Time_Count) G/ x9 ~2 m0 A+ {% l. x) h6 [2 Z& C
- AND #Track_Enemy_Speed( _9 i! P1 F* C, N" k% Q* H, V9 @
- CMP #Track_Enemy_Speed$ L' y- |: h( t6 V
- BNE Track_Enemy_Check_End
y; i; M0 o* h8 I* {* a& v - LDX #$0F
. O7 q, ]# p% _; j! V h, z - Track_Enemy_Check_Begin:
: k' t- P; q. `- o, d- r4 c - LDA Enemy_State,X! g6 p7 G$ Q5 X
- BEQ Track_Enemy_Check_Continue% |; i) A( @! l+ R# v
- STX Enemy_Index
# |! m9 [" b' P; J& R% `$ f - 0 j; m e- W1 p; M( B
- LDA $400 x5 S) r8 y9 Z7 e+ w4 Y
- LSR
. R5 _3 B" C* }! I/ q - BCC Track_Enemy_Check_Begin_L1
6 E/ g7 P6 H- d2 i6 l3 [* } -
7 G& T8 X* ?! h. ?/ G$ c - JSR Track_Enemy_Ex ;2, 4; F$ J* y9 E4 B/ a7 L+ N
- LDA #$00
# p6 K9 M1 p5 v5 u( i7 G' y' w - BEQ Track_Enemy_Check_Begin_L2
. F. ?! z9 m% z4 K -
- B: P8 M: h$ \* [, w9 H - Track_Enemy_Check_Begin_L1:) @1 B1 Y1 I. k9 u8 \
-
/ v) A4 i$ W5 \) S7 \ - JSR Track_Enemy" v2 C+ g/ ]! N
5 q# A: o/ V7 N- Track_Enemy_Check_Begin_L2:
+ f4 N& c/ z1 b! x" _. p$ u& q -
0 l8 k, q5 z4 J% Q7 c" s, a/ | - LDX Enemy_Index
$ d2 O: u+ O9 y% t0 q7 O - Track_Enemy_Check_Continue:
5 u9 X: U- l; b1 }4 s. w - DEX3 C% z7 o, d) l; R
- BPL Track_Enemy_Check_Begin
& W5 w" t5 ]2 W2 x9 ]- ^ - Track_Enemy_Check_End:
+ e& Z# ?+ R; i! q3 | - RTS4 G5 }/ e7 o' a
- 4 O" {; i# s0 R
1 e) X x& [& }& g: }/ I- ;查找第一个敌人. t1 {; d8 y/ ~) K* R/ @3 ~1 d
- Find_Begin_Enemy:: M& |0 E9 k' c* u7 b, L9 }4 |
- LDX #$00
5 D; G) U0 Y" p1 B0 _ - Find_Begin_Enemy_Check:
+ r3 L8 i4 j5 J- E# e - LDA Enemy_State,X
1 v8 m! y9 p6 m. Q - BEQ Find_Begin_Enemy_Check_Continue
/ U E0 R7 i) }+ R( C" A3 W0 X - LDA Enemy_Blood,X1 Z1 M1 D, ~* F* {* |% `; g
- BMI Find_Begin_Enemy_Check_Continue
# V3 C5 p. h& B3 Q+ K# x - BNE Find_Begin_Enemy_End" v9 O8 Q# V0 O- T4 J, t
- 3 I6 o7 ]1 t, H$ V
- Find_Begin_Enemy_Check_Continue:
- e7 P# Z% J( i" T' v4 w+ B - INX: \+ R. F+ ]) @! ? D
- CPX #$10
i" m3 H& Y% e0 ]% } - BCC Find_Begin_Enemy_Check" H: h% }9 \; s9 S5 E9 L$ D
- Find_Begin_Enemy_End:
+ o- h. L6 V; c/ c- J( i2 } q. T& \ - STX Enemy_Index_Begin! S! U6 R7 T3 B/ G! n
- RTS" }! s% O! }; T8 T+ k7 P
- 3 M, x. A/ I9 T( ]9 @9 U7 b7 [
- ;查找最后一个敌人
( T' h2 q3 }& y. C5 g - Find_End_Enemy:" J2 L: T8 B/ c, f3 a6 t
- LDX #$0F: Y, Y# Z: Q, F4 N% ]
- Find_End_Enemy_Check:9 C. n9 z, R t
- LDA Enemy_State,X
. l1 d' @# U v# s) @( b - BEQ Find_End_Enemy_Check_Continue
/ n& A+ T i! j4 H1 k4 H5 o# P2 V" b - LDA Enemy_Blood,X0 w" f( c1 P6 u+ a F% h4 V
- BMI Find_End_Enemy_Check_Continue) O u( _3 U- u9 Q2 U- }* e
- BNE Find_End_Enemy_End& [* d+ B* e6 N i) @+ ?* n
-
: I; `8 \! Q( {1 M4 v% N3 i! o# J - Find_End_Enemy_Check_Continue:
1 H0 V' ^8 s% q6 _- t C P - DEX
3 ?& A. }$ u, W B ^8 X1 w - BPL Find_End_Enemy_Check6 V+ h l, N8 ~! G/ L+ r& j
- Find_End_Enemy_End:
* T0 z6 }, X0 D/ V; s0 ^. w - STX Enemy_Index_End6 r: }, A9 U9 v
- RTS9 s# L& E4 c1 V! T9 {
( d! H4 N. _. T9 O- ;子弹追踪$ m) O: w/ I5 ~/ r6 f
- Bullet_Track:
( n9 b- Y) h8 S+ t- b5 @4 W - LDA Enemy_Index_Begin2 _4 K6 F, Y3 d$ K* n. P
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
% q6 E7 o2 h" D+ E7 Q - LDX #$00
# M6 [7 o: L+ X# P1 Y9 V4 U - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++). _3 i/ q0 ]) r$ O" ~' o: k
- LDA Bullet_State,X
5 Q3 n$ l+ p4 O) I% D - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;7 ^/ |- f5 V" s2 H {, m
- STX Loop_Index_I
% v1 ?5 v% C4 @: u3 R -
' k4 e1 I, Z6 }$ L - JSR Bullet_Track_Enemy
: L0 I4 k, R9 k9 \8 d) m* u; B6 K. ? - JSR Bullet_Tract_Direction
) w+ x+ f n; X3 j' ]8 n% z -
) W. _; r. F% X5 T - ;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
1 j0 M2 I2 g) U- v, R - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
6 o3 b' p6 @/ _% m( m1 R - LDA nEnemyIndex9 i* u5 B$ j' f3 |
- CMP Enemy_Index_End
4 @, a% H( F/ {1 c0 s' B6 b - BEQ Bullet_Track_Check_Continue9 h2 V4 G& r' G' u- g+ z# L; `3 W* ?
- BCC Bullet_Track_Check_Continue
' u# M6 Z6 z2 K5 x7 \1 G! c2 d7 m) Z - LDA Enemy_Index_Begin
; E4 ^5 d$ @5 t+ ?& z8 d& p; C- G - STA nEnemyIndex: Y. W) B) v( @) B. v9 U6 E2 [
- 7 q. O# H! g/ P" H4 q
- Bullet_Track_Check_Continue:
3 M; d/ _/ I8 ~ - LDX Loop_Index_I
/ O' E; l! \* b/ D8 M9 O - Bullet_Track_Check_End:
* W4 h9 O) W& k" O l- D - INX6 s" V! P# C/ @# |/ K& W1 {
- CPX #$10
9 W- U, n, C3 d( m+ |- N9 G - BCC Bullet_Track_Check* v: D) A$ g0 E# d% x3 }, ~
- Bullet_Track_End:1 ?9 T! \$ R0 n2 C$ R
- RTS& h. o: H! X8 n( P( [: d
-
5 i& b, }/ G+ x+ c% A+ A' t; g - ;给敌人分配子弹
5 r) J- u9 L6 b - Bullet_Track_Enemy:7 E9 R& l W' L |9 X
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)* ~: T8 ~, z e3 ~+ S V) P2 q3 h" z
- Bullet_Track_Enemy_Check:
! [, V2 b* T: N# }( ?% Q# k$ p - STX Loop_Index_J
# O( h) J0 R% u -
5 y1 ~! d5 d" i0 Y - ;if (0 != nEnemy[j] && -1 == nTrack[i])9 c6 g0 ?, R( n$ \ c, q& I
- LDA Enemy_State,X* }! {: g/ `4 w+ v7 j+ F
- BEQ Bullet_Track_Enemy_Check_Continue4 [* F6 ?2 ?% ~( j4 \6 H1 c
- LDA Enemy_Blood,X2 u* T0 x! p5 u" G
- BMI Bullet_Track_Enemy_Check_Continue- v" x* H% X) [- w
-
! d4 [4 G/ a; f0 I - LDX Loop_Index_I
+ A/ I0 N( q& K& c9 G7 O - LDA Track_Enemy_Index,X9 I# o" W0 U. V( h
- CMP #$FF5 j& J, }, Z: s3 | t. n; L; F
- BEQ Bullet_Track_Enemy_Init
: z& E2 `. t! G/ i- v8 q4 a - O( y; r b1 `4 P$ H( Z
- Bullet_Track_Enemy_Init:' c [0 ]" ?; w2 V
- LDA Loop_Index_J* I, T5 t4 L) j- Q9 I
- STA Track_Enemy_Index,X ;nTrack[i] = j;
, N! w8 F( S! A' N -
! ~& y1 [" ]! \) J4 [" } - STA nEnemyIndex _0 r- \. c& a! e
- INC nEnemyIndex ;nEnemyIndex = j + 1;
& r! S0 ^% ?* V$ m6 i- a, k - RTS ;break;
3 Y8 j% I9 ?1 K/ I+ {5 Y - ' |1 Z4 i4 e$ `7 d i! X
- Bullet_Track_Enemy_Check_Continue:2 u# c8 ^. |0 J1 E
- LDX Loop_Index_J
3 c) F9 t8 @6 J! q4 L0 Y - INX ;j++1 {! o) {3 e6 f9 F
- CPX Enemy_Index_End8 q+ a z* F' G8 S- l2 B
- BEQ Bullet_Track_Enemy_Check
7 i$ k" h. W) m% p) e/ Q3 Z - BCC Bullet_Track_Enemy_Check
3 A( H; V/ W' T% @! Z - Bullet_Track_Enemy_End:. a. ]: c% x. P+ g. j Q8 q
- RTS
3 t& O6 Y% o0 _5 h6 t! S - 0 [, h; b( a2 O. ]+ k
- Track_Enemy:: h! t# u5 b" S4 D0 G
- LDX #$0F
3 c, }; \( F D - Track_Enemy_Begin: g. e# v4 L5 t! @$ q( B% l6 R- i
- LDA Bullet_Icon,X" P- `1 R3 R3 ^0 e* r$ Q$ r
- BEQ Track_Enemy_Continue( d, o, b2 E- [( H' F2 v8 ?
- LDA Bullet_State,X
9 x. c( D" F- R! F; K2 ^1 a - CMP #$01
& E" P( s1 s' Q+ s - BNE Track_Enemy_Continue
s2 r$ o/ G2 ?: s* F! l5 ^ -
& o7 ?6 H- V0 x# I - JSR Track_Enemy_Process
& R! \9 e8 s9 T! ?. L$ o5 N( w8 H" N -
! n5 G3 {) S3 p% I) ~ - Track_Enemy_Continue:
0 {% W+ s0 W1 ?6 |4 A - DEX7 Q/ G3 m5 v" Z
- BPL Track_Enemy_Begin% X7 |& j5 z/ P+ X: f. ~9 P
- RTS* e8 q- c+ | c3 ]8 F7 P6 g0 ]
) z4 k2 I: [3 ]) x; g( m- ;普通关卡
8 A/ s* O4 m& ], x! z+ [5 d) [5 M - Track_Enemy_Process:! q7 d% V! y/ v- ?
- LDA Track_Enemy_Index,X
; N0 _% _& O, u/ c3 J - CMP Enemy_Index0 k( i. ^( X0 f
- BNE Track_Enemy_End
' Z# D5 U; Z' c% W - LDY Enemy_Index3 z q/ g2 q8 G0 o
- JSR Track_Enemy_Y
& |3 o4 M2 s o2 c4 o5 j/ Y - LDY Enemy_Index
f9 ~5 W, N" w# a - JSR Track_Enemy_X2 i5 w& k3 d9 n9 y g# I. E# T
- Track_Enemy_End:
* i# L" Y/ g/ m% N - RTS. c$ z( u: t1 H S$ Y
- 3 C& g: O% c3 u" Z* K/ F% k' c
- Track_Enemy_Y:
+ P$ P3 ]2 X. U. S - SEC
) ~1 Y; X7 C$ k) w: w - LDA Bullet_Y_Pos,X
. Q* A8 q0 w8 k7 u, }" T+ | - SBC Enemy_Y_Pos,Y
4 t4 c& X$ Q5 I; } - BEQ Track_Enemy_Y_Equal
) W$ ?+ l4 F ], F1 y8 J - BCS Track_Enemy_Y_Greater) \6 W$ a& n9 Z$ `5 N- C
-
) F( v, ?" j7 g8 s7 x* x8 x& @ - Track_Enemy_Y_Less: ;子弹Y < 敌人Y% b; C6 f' ~3 q% F; c7 N
- CMP #$FC% t: W5 c+ n% E* d
- BCC L1_1; `; ]% H$ {2 f
- CMP #$FE9 b' g' z! t0 h$ u5 r
- BCC L1_2$ r# W S. _4 p
- LDA #$00! V! D0 ~+ Y& G; e q6 T- q
- STA Bullet_Y_Speed,X
# ?% ~' s- Z/ ~; m, T: c: d4 ? - RTS3 k- K! ~! D* @
- L1_1: $ B2 ~0 G. T+ d" g5 C
- LDA Bullet_Type,X0 l$ Z$ Q; D0 X9 ^5 E5 X" Y
- AND #$0F# V) u6 M: J( a. z3 [
- TAY/ c" _1 U+ L5 v/ d
- LDA Bullet_Speed_Data,Y! [& X9 T3 o2 r( [# y
- STA Bullet_Y_Speed,X' }* l( T) N9 F3 ]1 \
- RTS
; _# t5 j- |& h) q3 W
9 D6 C/ j+ n9 k1 p3 E$ A) f* j- L1_2: " [- ^7 w. X) q# {# S+ Q
- STA Data_buffer' H( ^1 J h% Z* ~# T
- LDA #$00
% w; p. ?1 t8 r4 _* M - STA Data_buffer$ S5 Z; t3 O- k n+ o
- LSR1 v) {0 E( y" T2 Y" |
- STA Bullet_Y_Speed,X" u1 z6 w4 _" c$ _6 J
- RTS
# L8 S* m K+ P8 x
) t# u _! i0 c+ }" t( }- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
& q# N. } M+ @. W* D+ U1 @7 F - CMP #$045 C/ M9 q" [# _; {) e& e% U9 t. x
- BCS L2_18 A. k) I& o3 Y) n/ t9 Z/ C
- CMP #$049 d* ?9 H+ F) H4 O! w1 U/ y
- BCS L2_2
# ^7 r9 F, u, ^ K2 D0 U4 K4 u - LDA #$00
1 n+ n, S& q; E) n - STA Bullet_Y_Speed,X
% Z1 R0 a. O6 ?2 v @ - RTS" e, q5 M% A; {1 g- X8 a
- % B" {& }& r% x" y2 U- e6 v
- L2_1:
0 F6 B' D6 ^5 N' f - LDA Bullet_Type,X
9 W6 ?% o. y0 ~* d - AND #$0F
1 M1 P7 e5 `$ d( T3 b' f& M/ W - TAY4 T% \+ \' s* M: U% K; }9 Z' r
- LDA #$00
6 U, W& _5 z) g: {0 V$ y. J5 q* F e& R - SBC Bullet_Speed_Data,Y
$ Q: k; g5 \2 {' C( U- J% C - STA Bullet_Y_Speed,X
+ z" \) f0 H0 A6 v9 c& Q \ - RTS
+ }# c6 j% x& b# [* u5 C -
. @" O9 C" Z- b - L2_2:
+ N+ W0 t9 E6 | - LSR
9 s# P0 k* d) d& R- h+ n - STA Data_buffer; G0 m# H, G( V% P
- LDA #$002 ?8 \: b' n* M" H1 X
- SBC Data_buffer
1 k! s) m, f' P1 \8 m - STA Bullet_Y_Speed,X
' k* E7 Z/ ^! L! P7 b' V - RTS" u" Z. G- g0 q' A
-
; g2 D! S9 i0 d) M& y9 I$ A: M! s - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y5 D: E$ R7 ]" r# _ }
- LDA #$00
; P2 Z/ B7 e6 C - STA Bullet_Y_Speed,X
0 A2 k+ l/ G3 _4 b: s8 ~ - RTS0 ?3 `6 H0 O4 Y& V
- / v1 z# e/ j4 x: n& T. ~
- Track_Enemy_X:
* t4 O* T. { H* T( } - SEC
' A3 ?4 G$ |) B/ h - LDA Bullet_X_Pos,X
3 R \. h% ~6 @( s' N/ _/ M- A - SBC Enemy_X_Pos,Y
) e+ C% ` o z5 h/ A, J' Y% z2 @ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
" I/ U0 j! [# O - BCS Track_Enemy_X_Greater ;子弹在敌人下方
+ ^' } V7 U6 x" Y$ N - ' w$ H0 o+ f! r0 M) e4 T& L/ w
- Track_Enemy_X_Less: ;子弹X < 敌人X+ z/ k* w2 K( J2 e6 s2 `( Q
- CMP #$FC8 [& Z" c& ]* }
- BCC L3_1# \# K1 x* g* _8 G5 v6 q# }. ?
- CMP #$FE
, G2 B o- f% x" f P - BCC L3_2
" M6 R8 f0 N: F% t, ^1 x - LDA #$00, V' @9 \+ n9 V
- STA Bullet_X_Speed,X
- X- ]3 {. a3 _6 U- [2 c# |9 D - RTS
, \5 y$ Z( U3 w8 Y - L3_1:
( s( T! m1 n4 a- j - LDA Bullet_Type,X( H& R* A* R/ H
- AND #$0F
% s9 F8 r% M+ a# q7 B - TAY* ~! D4 p& R& X0 X+ e6 Y
- LDA Bullet_Speed_Data,Y
0 l4 Z9 U% B' K - STA Bullet_X_Speed,X
; o: }5 t: X# G7 z& k- M - RTS
' T/ [( l/ U, R' m - L3_2: 4 p3 s1 P& J2 m# }* s8 P1 f
- STA Data_buffer
$ l) x% @- W8 S5 \+ M - LDA #$00
$ h# d3 b1 o& N3 o) a3 r - STA Data_buffer
3 h; m& F! t9 ?: H% I - LSR
1 C1 P0 v8 j3 J7 Q( @ _ - STA Bullet_X_Speed,X* Z8 N' ^% K, b s# r3 @4 N
- RTS
+ Y. ^. x' ~7 R) Z) s' E -
! T$ ]. D( c" q. d" h' y( k - Track_Enemy_X_Greater: ;子弹X > 敌人X
, r! b' S, z- J' C/ j' z; r( O - CMP #$048 M- c |# ^9 Y0 z$ I
- BCS L4_1
M" \5 U: t* t! K3 e+ ? - CMP #$029 F# |% \# ^7 k! W
- BCS L4_28 E7 u, l6 @" m3 B" f9 }
- LDA #$00: I- G9 |' _% a I3 M
- STA Bullet_X_Speed,X
1 {% h! A+ o X. [% a5 \ - RTS/ s& U$ |2 m$ }
- - R3 t( D* G* _2 d& n7 q
- L4_1:
& R" x- E) J: p, o: g) E0 |& |: } - LDA Bullet_Type,X7 X2 \ k" v$ A
- AND #$0F
' y K. ?) I' D- F - TAY
' e, h5 M. ]. Z; u; W - LDA #$009 G4 t1 R* z/ G* o
- SBC Bullet_Speed_Data,Y) m6 p$ J; M7 {( h6 g: n( |
- STA Bullet_X_Speed,X5 o4 l0 L# D0 C, S& E7 L) I. M) Y* K
- RTS8 v6 Q# ]9 P% @
- L4_2: 1 ~. R+ l7 B* D: E: Z
- LSR
6 B+ H3 E& x: c2 @4 S U3 _ f% d; m - STA Data_buffer0 x9 {- g2 W/ k& d; [
- LDA #$006 |6 H5 ?3 _/ A
- SBC Data_buffer! ]; ]& j. J( }& ]0 C! h
- STA Bullet_X_Speed,X4 F- @0 W( H" M ?
- RTS% |' r0 }; G5 b
- # C# J6 q+ j8 s# r7 \3 {. i
- Track_Enemy_X_Equal: ;子弹X == 敌人X
0 w9 D' _$ T2 s6 D% j/ z, h* S - LDA #$00" i) d( _" D, i7 {/ H
- STA Bullet_X_Speed,X
3 N' ~; A, m1 ~9 H9 N2 F, f: C, B - RTS/ z5 R$ B7 k' s' @; g
-
( i& A* V3 {: Q9 ]7 G0 D# j. @ - Bullet_Speed_Data:
% X. @" z3 {- C! i - .DB $00,$03,$03,$02,$03,$03
3 N( a$ H9 g8 A" U -
( F( O0 }4 S& H A" i - ;2, 4关1 e: F, X4 @4 Z- n7 I5 N6 {
- Track_Enemy_Ex:
! S3 C c- u9 E, c) S8 P% \ - LDX #$0F
- m( ^; m! m2 w( L/ n f) D - Track_Enemy_Ex_Begin:) Y5 {0 f7 n+ B5 l$ y9 a
4 @% R9 o. W- o: _$ F+ g- LDA Bullet_State,X! o1 _# A1 s: u) ~
- CMP #$01% e/ h7 t5 i8 E8 s6 ^- \7 T4 l3 Q
- BNE Track_Enemy_Ex_Continue% m* ]- a' w7 a
-
% S- Q: H& r4 U( ^9 H6 |0 l4 t# _ - LDA Track_Enemy_Index,X, A2 }5 U- S+ o1 J9 a( T" `
- CMP Enemy_Index( L$ n6 R6 Y @/ Q( R# M
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
* q$ Q& t5 D" ~% }) W) E/ A - 9 V2 ]. @4 r4 n3 Z0 n
- LDY Enemy_Index7 F. Y% a+ R! u" Y
- JSR Track_Enemy_Ex_X( }+ v I& K* I% C5 B
- ! {& r9 \. t" g: d; |
- Track_Enemy_Ex_Continue:& u0 E7 l4 D- z" l3 d
- DEX! A/ C) b) b+ F% d% X4 D
- BPL Track_Enemy_Ex_Begin2 z' }% D0 Y2 z( `" c# V5 w" B
- Track_Enemy_Ex_End:
: F. q0 o9 \ ^. m4 s. L% [; D+ l) H - RTS
/ l0 o7 X! B. m) _/ o7 C4 \( W - ' F( z0 z' n! D8 j5 O& s- w; F' v
- Track_Enemy_Ex_X:
& N$ ]" t, ^3 O$ U1 ] - ;LDA Bullet_Z_Pos,X
6 h* C8 r1 R& Q1 _+ A/ n& n2 x - ;CMP #$04
+ A6 d, A8 a. c" J - ;BCC Track_Enemy_Ex_X_End& P" h8 i/ V' S, I" R
- SEC
- j) F( C& l l: Y8 t- X - LDA Bullet_X_Pos,X
- g7 s6 c; c. h) B7 Y4 Z h - SBC Enemy_X_Pos,Y/ w$ q- H! q# k! b. E
- BCS Track_Enemy_Ex_X_Greater
- h. H" p$ ]3 g -
; L4 g6 }. P$ y5 h9 G8 @ - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
5 L% Y" E; ?( W9 N' y/ } - CMP #$FD: X' Q- x3 @0 q# l8 B% u
- BCS Track_Enemy_Ex_X_Less_End7 X- t. ]. J4 B3 e$ c
- LDA $6020,X
3 J/ o) x1 A, q- h5 O7 T - CMP #$2A
2 A# N }' P% \2 t, V; C! k - BEQ Track_Enemy_Ex_X_Less_L1 F! i z) n: W( x2 L2 t5 l( b
- LDA Bullet_Z_Pos,X
2 L2 s- h* i: h7 B) \ - LSR
+ z! E# x. s }# D0 E; [0 k/ ~: L - TAY
) O& Q6 J) {+ A1 d) E% e, m& ^ - LDA Bullet_Speed_Data_Ex_R,Y
( L- Q; M8 T* t. ~6 }$ e4 ~# M" W - STA Bullet_X_Speed,X7 ~% {6 v, {% m/ F e/ X
- RTS
K+ o% R" Y6 s6 s/ s! n - Track_Enemy_Ex_X_Less_L1:9 x0 f- V0 {3 `5 e
- " k5 }" H/ X: m
- LDA Bullet_Z_Pos,X- o: v" u9 N: Y, Y8 \7 c3 n
- LSR
" ?! O' `$ s, {( y - LSR3 [# ?$ C- ^; [% {( u
- TAY$ T. Z/ h9 ?6 W! u0 E
- LDA Bullet_Speed_Data_Ex,Y7 X/ v3 z& n5 W9 w3 o- F' x9 l
- STA Bullet_X_Speed,X4 [0 I% e1 k- C0 q$ v: H
- RTS2 W$ C- | K" ~
- # [& F0 }% u9 z% ]
- Track_Enemy_Ex_X_Less_End:/ N% P0 K! c& M. A
- RTS U1 O2 H, U3 X0 {
- 4 p' U: x' T) q8 l
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X) P8 e) Q! W, d, H5 v1 E6 y+ M
- CMP #$03
+ n3 f& g, C) X. w% X6 _ - BCC Track_Enemy_Ex_X_End6 s( ^) ] v( Q/ u8 X7 K
- LDA $6020,X {2 `! T* ~& o) e& Q
- CMP #$2A: ]. `! w6 ]( o9 m
- BEQ Track_Enemy_Ex_X_Greater_L1
/ A) A8 n% |0 }7 Q! ^ - LDA Bullet_Z_Pos,X5 J" a9 ?0 p2 E8 T3 d9 P2 E
- LSR
_. ^8 E/ _! X% q# _; n - TAY, H6 Y# g/ z# N9 `/ m& m: }5 |7 |
- LDA #$00* S* g' {! X% t) Q8 T: a+ A
- SEC
4 a! q* }4 F" S; y - SBC Bullet_Speed_Data_Ex_R,Y
9 f/ L: Y3 _) I; T% @ - STA Bullet_X_Speed,X
& T: ?8 [# m8 _, q2 f - RTS' S' t9 [+ F1 x8 _- \- H
-
& M- T! r7 Y, Q( } - Track_Enemy_Ex_X_Greater_L1
& K* `4 [+ ^& Y: F0 P - LDA Bullet_Z_Pos,X0 F2 |$ z; F, ~5 I4 M$ o% v( g4 e1 Q
- LSR5 c: E \9 e$ ?
- LSR$ L& t$ _) w+ i' T4 s+ `
- TAY
. Q8 k: f5 F; ]: J2 L3 a u. e - LDA #$008 I. B# v0 P V8 k: x. z
- SEC
! I7 F( H! {3 ?, \+ @7 j - SBC Bullet_Speed_Data_Ex,Y" }/ S( j* c4 A% H! R% n
- STA Bullet_X_Speed,X2 J# e: T _2 k; I# r% q- i
- RTS, ~ G1 V* j( m$ d/ ~
-
" p. C9 E: I6 E- X$ U - Track_Enemy_Ex_X_End:9 p' H: a; ]9 D6 S, Y- _) r# [0 Z
- RTS+ Z( ~9 d+ @5 y" b% z, S
-
2 N$ X8 R# a4 E1 @ - ;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)) O1 W: Z, ~. J/ }. S
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
: F) e) l7 u7 u - Bullet_Tract_Direction:
! P& l/ e5 j2 H% H; _+ t - LDA Bullet_Icon,X6 X" R# i2 w. ^. b% |7 k
- CMP #$23" S6 h, ~: C: P4 _( h* V' E5 R
- BCC Bullet_Tract_Direction_End9 o/ [/ Q3 C7 D5 n$ n
- 3 q# z/ B9 d. z; _1 J6 q
- ; X != 06 F* l% W/ z1 ]4 M
- LDA Bullet_X_Speed,X: \- t8 B7 j! Q# g6 t( L6 n
- BEQ Bullet_Direction_V
$ y3 W, \5 ^3 s! |$ f: A& l+ U+ _ q - ! c% g2 i8 f3 f+ J. `
- LDA Bullet_Y_Speed,X3 b* l1 O! ^9 U0 h
- BEQ Bullet_Direction_H! b. {* J, d+ i- @( r% G/ }, Q. b; |
-
' {( }2 S0 L. x9 i- p/ X$ K - LDA Bullet_X_Speed,X1 C! S6 O: ? ?) Y2 C ` F# M
- BPL Bullet_Tract_Direction_Right1 P/ u/ Z- v# g9 @
- Bullet_Tract_Direction_Left:
/ A- T! z0 H1 a! n F1 [ - LDA Bullet_Y_Speed,X, w/ }7 l4 d0 y; n. y, d
- BMI Bullet_Direction_Left_Top* L' ?5 {/ u. D- I- b3 p& G3 O3 p* q( s
- BPL Bullet_Direction_Left_Down
; L5 X. W& V& [$ H8 ?% G; I- c - Bullet_Tract_Direction_Right:, L4 w' C% f: z
- LDA Bullet_Y_Speed,X$ z8 u0 ^0 V; \! q- U* o1 ^
- BMI Bullet_Direction_Right_Top
! E9 g* Y+ Q# u# v$ H - BPL Bullet_Direction_Right_Down
# F, t8 {$ {- u6 _ - Bullet_Tract_Direction_End:
# A3 R1 a( l# w6 m - RTS) ]1 N1 h# Y) S6 f
`. D4 P- O; k3 }8 W6 C1 c- Bullet_Direction_Left_Top:9 N5 n5 b8 A% M
- LDA #$25
" V$ i' G9 U, t! f0 ` - STA Bullet_Icon,X7 l( @2 }- e2 w' K
- LDA #$C07 R, p* m3 Q) A5 _2 W
- STA Bullet_Direction,X
# Y9 z! b+ q" s" x+ B+ U5 R - RTS y+ O: n' y/ c- b* i
- % G! m ^; B: s: w6 S7 Z# g' d& M
- Bullet_Direction_Left_Down:: P5 k1 s4 ]* w3 m
- LDA #$252 l, a4 K3 G: t
- STA Bullet_Icon,X! B: t2 h: E! Z5 w( y( N
- LDA #$40& n# J5 j2 I: U8 D
- STA Bullet_Direction,X" k9 x" `! ?) u/ s, k
- RTS
- D: L/ o8 x' Y& P J# Q" A - ( Z7 v/ `( Y9 [; E6 d
- Bullet_Direction_Right_Top:" G( D6 T6 [, x, A2 G
- LDA #$25; Q, d' I R& B* Q
- STA Bullet_Icon,X
" z/ ~$ o: N6 R2 I" n& s, | - LDA #$80
1 y% R, m+ h1 [2 ~ - STA Bullet_Direction,X
0 t _* N; X( ?+ J6 o - RTS! Z$ M U' w& x
- ' h/ H, T5 T5 O# e, ?1 D1 a7 Z
- Bullet_Direction_Right_Down:0 l5 x* e+ I- w K& J: V; T
- LDA #$257 v2 e' y/ J+ [
- STA Bullet_Icon,X& h: r& \. m2 ?4 M$ k, H# p% n/ k
- LDA #$00
" |6 Y$ G0 F& }( h6 g( [6 _ - STA Bullet_Direction,X2 h- [( n* C" t: E
- RTS( ?. n; p6 z: K/ k0 v; b+ s0 n
: K/ Z8 O; t/ ]7 V% L/ ?- Bullet_Direction_H:
9 O" k; F* j* c" O( j - LDA #$24
- T) f' J/ ?+ d - STA Bullet_Icon,X
2 x& _1 C* l5 x - LDA #$00
4 t' Y3 h, z2 _8 p - STA Bullet_Direction,X0 P- u$ \: }2 \' @ G8 e/ j, t
- RTS2 r3 S1 H* L) Y& O- I
- " N+ T5 d3 y3 H( X
- Bullet_Direction_V:
- \& d- Z. `9 c$ Y - LDA #$23
" o, G& ?+ r6 g4 P4 E4 R0 f, i5 ? - STA Bullet_Icon,X) ], W4 n; n+ ]8 m: t7 y
- LDA #$00
4 s1 k: s7 s" n0 u* l0 | - STA Bullet_Direction,X% |, ]9 g9 L6 K% G% P1 J/ B
- RTS
" U& n! S8 ?2 z% `( e- F
7 s( X! a* o5 M- Y. b- Bullet_Speed_Data_Ex:
* b# H* ]" H ?: H - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04) D- v4 g( c/ _
- 1 N0 K2 z! C, R9 D/ A0 J
- Bullet_Speed_Data_Ex_R:- G; r; |: Q: E: _
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
' n& ]* e4 u s. b' u. x- S2 k -
复制代码
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