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[FC][魂斗罗][J][追踪弹]* A' ]2 e, H$ N: l0 ]$ g2 {
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时间:2023.04.30
& L% a# `6 \& R; R" v7 n作者:FlameCyclone
& {$ Y* n D2 _& j" @7 n0 n% T内容:' q, a% C5 A, E
1. 所有子弹追踪敌人
2 t' T/ b R% }9 M# k% ~3 V 2. 选择键切换武器 X- [3 Z" e) P7 |
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0 [' n) [3 D) c
+ Y0 b( J4 R% ?
flamecyclone.ys168.com: S l% o/ n, t: w" M
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁; D0 h, J ^. Z$ I
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L" k" \1 L' L+ R6 E
- 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)
3 e( K' @9 Y, H; M% V
3 H% s: F" u9 i) `0 p( v0 ]/ H: 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)/ s% X) C; X. w6 I4 s8 [" K
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
9 K' c* v" N1 H7 K - , x. e8 g/ b% }- q$ Z" h0 h* J
- Track_Enemy_Index = $6000* K) L4 ]( {: W4 q3 z, E
- Enemy_Index_Begin = $60102 H$ J; C) a8 ^2 K, n5 x
- Enemy_Index_End = $6011* k8 a0 F' J2 E7 J/ @# O! j" c
. B2 m0 C+ X- O$ W- Loop_Index_I = $6012' A( O/ G+ L: N1 ]7 T: }: [
- Loop_Index_J = $6013
H3 J W% h' D/ {; T( c - nEnemyIndex = $6014
l. R' W* R2 W/ h& N/ T* D9 _& z - Data_buffer = $6015
! k: E# n( R: C - " j) V/ n- \& q9 i
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
$ y h5 e% q# o3 J - Bullet_X_Pos = $03C8 ;子弹水平坐标
! [( I& y/ }7 J& K. {+ K - Bullet_Y_Speed = $03F8 ;子弹垂直速度) Y5 _% U) u7 [ x
- Bullet_X_Speed = $0408 ;子弹水平速度
1 E' q; y: [! p+ Y8 A - Bullet_Z_Pos = $0418 ;子弹Z坐标5 d6 F2 a5 w% {9 u- A
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P2 m4 ?6 } @# J: d8 \# P1 ]
3 v+ o8 i, `5 G! d) m. A: d- 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
% S* ?0 c- ?* ]: p" \- s - Enemy_Blood = $0598 ;敌人血量3 h2 B6 S2 W" D
- Enemy_Type_Addr = $0528 ;敌人类型
+ r. q; o& w$ ` - Enemy_Blood_Addr = $0578 ;敌人血量
, y0 K, D( Z4 J2 ? - Enemy_Y_Pos = $0324 ;敌人垂直坐标
0 F K% M# e/ T/ E - Enemy_X_Pos = $033E ;敌人水平坐标
$ p( P6 v k- \ X - Enemy_Y_Speed = $04E8 ;敌人垂直速度8 }+ O6 b. `; ^8 R
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸6 h) h. y) S B9 s( {
- ! l& H' t% f5 V7 F ?$ Y6 ?) g' Z
- Enemy_Index = $83 ;/ R; O9 V; w4 D0 x* A* L" X
- Time_Count = $1A7 g: }! d! g. p) H: |* _
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
# G. \$ N; z& u" { - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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3 ?3 L5 Q! K0 L+ R$ k0 `% z
9 _, t$ N7 Z7 h3 k+ s8 l5 D- .ORG $61007 [0 o1 {' m; i+ }+ d3 ^
- Process_Begin:" n: f6 O i2 H4 z8 G2 f9 X2 b
- JSR Enemy_Check1 s) i& m/ f' L6 K" N8 O
- JSR Track_Enemy_Check3 f- z0 W4 u4 F8 g/ y, R
- Process_End:: v7 @6 g! ?! e f* m$ P
- JMP $E54F. K X& W6 x6 F8 `% V" q
- " s; g: O, |& _# ~
- Enemy_Check:1 s1 ]' l \! r, e' f0 h# R J4 p
- LDA Time_Count( {- h7 I! j: g7 T( K+ N- [! ]$ C7 X+ E
- AND #Track_Bullet_Speed
! C* V* ^8 V$ k& C - CMP #Track_Bullet_Speed" f: I" K7 }3 u2 L
- BNE Enemy_Check_End
0 k6 m- I7 [' H7 Q+ ~ - LDX #$0F
: F7 p$ {: U! z3 p- F2 k" r) ~ - Enemy_Check_Begin:+ [8 m9 h' v( _8 v, R/ e& z1 O' s
- LDA Enemy_State,X3 u9 W( q; O8 g) J. u9 b
- BEQ Enemy_Check_Continue
5 N; j8 i0 @5 o; f% h - STX Enemy_Index
t1 w( i9 k+ ~( l - JSR Find_Begin_Enemy
7 O/ C& X2 @3 z6 t- p4 t2 I1 o - JSR Find_End_Enemy
( a c+ j1 N; W( f - JSR Bullet_Track9 t2 Y: H0 c0 J5 `. R
- W# r, U6 |# t% l+ u
- LDX Enemy_Index
- L& t9 t, g' b; v- m3 p9 A* v - Enemy_Check_Continue:
: a" \/ ]* c# V& x" J) t - DEX9 X, |3 F! ]% Q5 x3 m1 e
- BPL Enemy_Check_Begin
' [ ~' C) z# Q D } - Enemy_Check_End:
* ?5 F0 u: Z P( D3 h - RTS8 U- `% X" J* o& d& n2 R& z' Z
-
( Z+ K$ z2 J( m6 c1 [3 C - Track_Enemy_Check:
8 O4 l+ J! C1 x - LDA Time_Count
2 s+ u$ G! r5 p/ |1 b8 j( E - AND #Track_Enemy_Speed% g% F: c" L/ h3 M" F" p0 Y) o N
- CMP #Track_Enemy_Speed
6 y. ]$ ` d7 J4 ]! ~$ J5 e, M - BNE Track_Enemy_Check_End
; J c. V' r# U" T. e - LDX #$0F J {' w+ c/ o) N
- Track_Enemy_Check_Begin: c- ? W% O9 V
- LDA Enemy_State,X3 V7 K/ O1 ?4 s/ B- x, z" C* A
- BEQ Track_Enemy_Check_Continue; t/ v2 J' n3 j! G
- STX Enemy_Index
8 S+ L& K6 G! x; B$ L$ J -
7 h' [4 y& p; ^. J7 U3 S - LDA $404 X: ^) O( z, G [- e: d
- LSR& V' U5 d% U' t h6 f7 P, ]
- BCC Track_Enemy_Check_Begin_L1! A# Q/ h- ^3 C9 Q8 a
-
2 o7 m5 U/ ]3 g - JSR Track_Enemy_Ex ;2, 4* I# _( H. ~5 F$ j
- LDA #$00
4 z6 g2 x/ @" R! e; J - BEQ Track_Enemy_Check_Begin_L2
/ f/ h, P- W! a( c - ' u- I* a9 g) ~) W
- Track_Enemy_Check_Begin_L1:" L& g# }. q% h8 o% g0 e" {# J
- ( U' S; k+ d8 u
- JSR Track_Enemy X. l. K* _0 M: a' F
5 X0 Y/ c" _2 F4 E8 g- Track_Enemy_Check_Begin_L2:- N5 @& L. i- Y8 \
- 6 |0 `) ^( [! `- X/ ^3 [& n
- LDX Enemy_Index
/ I. l G" U: Q- v+ d: g0 j - Track_Enemy_Check_Continue:; t/ ~1 F3 p7 W0 a2 w5 f
- DEX
8 Z5 t# Y6 g& T l( R, p, q - BPL Track_Enemy_Check_Begin
2 G7 f- Y8 W& j; e# |- O - Track_Enemy_Check_End:
3 x3 h& X {; j8 f+ d7 |' g - RTS
7 f; ]0 U% u) {- P6 @
* F: p: r# t4 Y3 p. D- / w( ~6 n2 h; N, h9 [
- ;查找第一个敌人
/ k9 j3 N7 g& [. E5 Z! e9 ^, S - Find_Begin_Enemy:
9 o! V0 w) u$ _/ l - LDX #$00
) n. V; N4 h6 q/ {" N6 R2 t- ?& P - Find_Begin_Enemy_Check:
9 ]3 L% b! x, d! o6 @ - LDA Enemy_State,X2 T- n( L- ]& A" W$ G
- BEQ Find_Begin_Enemy_Check_Continue' c6 t5 A8 s( j. `
- LDA Enemy_Blood,X
1 [$ a* r% ]2 e! \: t% B# | - BMI Find_Begin_Enemy_Check_Continue* a+ R3 T6 r! i
- BNE Find_Begin_Enemy_End
: ~5 H* j/ D0 @ -
8 Z' P1 _: n! w% f3 j1 w0 g - Find_Begin_Enemy_Check_Continue:
! ^2 R1 h1 r9 n3 {- C9 w - INX0 U5 {/ \. R- d$ _. \
- CPX #$10
1 f, b5 E2 R9 u w" \ - BCC Find_Begin_Enemy_Check$ ^9 q- z) g0 [
- Find_Begin_Enemy_End:; I( s( R0 V- W: t1 X# V
- STX Enemy_Index_Begin" t2 U. R( f3 L; J9 V
- RTS8 l* F5 d1 V2 S- U* g1 K E
- ( n$ F, Q) e/ f! a
- ;查找最后一个敌人
5 _( X) H) f; O H0 W! E R& k - Find_End_Enemy:
' ?; u9 r& D1 L: T3 H$ V - LDX #$0F; r" _% R8 b! ~0 F: X/ ?& B5 T
- Find_End_Enemy_Check:, p# H! T, ^& |( |, e
- LDA Enemy_State,X
0 Y0 Z/ ]6 a1 N! ]/ b - BEQ Find_End_Enemy_Check_Continue( a4 S; u7 d' ?- Z) z" |9 T9 W. s
- LDA Enemy_Blood,X: k* K5 O0 y5 G. F3 x$ d0 c, D
- BMI Find_End_Enemy_Check_Continue( l& p* }. D( _( }5 C0 v3 _5 q- Z
- BNE Find_End_Enemy_End
@1 j: c4 M) R" f" L- J - ! y N+ s4 o$ v G$ }) w+ Z9 x
- Find_End_Enemy_Check_Continue:$ u! w# s0 K, X. h/ ?" j9 h
- DEX! g; H, ?/ P1 P) p0 f
- BPL Find_End_Enemy_Check
5 I6 Q( _/ e; g - Find_End_Enemy_End:. K( E- d5 Q" A5 Y
- STX Enemy_Index_End
, [! Q6 y3 U6 g2 a/ G+ q( V* v - RTS; N; j7 h! u5 |
+ ^% E1 f+ m( z' \0 k |- ;子弹追踪
, E2 \% n: d j) f - Bullet_Track:
8 J% a" L2 v0 J( W - LDA Enemy_Index_Begin4 z2 J1 d) L+ r9 J1 ?# g/ ?
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;$ L* {1 s% C/ g
- LDX #$00 ! S5 u# k; k% g: j. g# |" ]
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
) g6 m i4 `- |$ n - LDA Bullet_State,X- C- `5 H$ {' S. o6 F
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
# _! J5 ~) }# R - STX Loop_Index_I& ?" R I/ b- h1 l L0 T
- + z3 y; Q0 g p; u$ y" i6 [4 C$ e
- JSR Bullet_Track_Enemy
7 K/ B; ^ T7 w$ R- m - JSR Bullet_Tract_Direction
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- ;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 a- w9 Y2 I7 l% l% a
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
# T8 U U3 d& K) Z0 ]* z4 s( ]$ ^ - LDA nEnemyIndex
$ Q; {* q0 [4 M5 g - CMP Enemy_Index_End
5 ], ]. G! i4 B- t - BEQ Bullet_Track_Check_Continue
- u& I6 I+ G0 h! g4 g& q - BCC Bullet_Track_Check_Continue
$ W4 ^0 r$ P0 s5 z+ t - LDA Enemy_Index_Begin+ }) D5 Q) e9 Z9 v
- STA nEnemyIndex
; `1 K* \, p; p0 t4 Q7 L - 1 b. E c5 U4 r( p/ [
- Bullet_Track_Check_Continue:
2 _5 z- u0 h3 r, ^1 Q% ]% N - LDX Loop_Index_I
j4 s. V k0 b( @' M+ k3 ^$ u2 N - Bullet_Track_Check_End:
- b3 h: [/ v* K - INX
/ W7 L3 ?7 i: `5 D1 R+ ] - CPX #$103 t# J& v& B6 L6 @0 V9 k
- BCC Bullet_Track_Check
3 v# P1 N' c) k - Bullet_Track_End:
; V( [) J! I8 c J9 z( ?7 B - RTS X) ]$ F( i/ D& i$ W8 K7 O
- 8 L0 e1 M |% ^# Q' j( q& V
- ;给敌人分配子弹
6 m$ w9 V. R9 A) E9 R$ P - Bullet_Track_Enemy:
% {! G/ M7 y/ x( K9 p! p - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)1 @# a; {& J1 q3 k! ^
- Bullet_Track_Enemy_Check:
; Y( B! f; @ {8 t# b - STX Loop_Index_J
5 y5 D' o4 }, v6 k -
7 x7 @- N6 F Y3 r( v! ?9 S - ;if (0 != nEnemy[j] && -1 == nTrack[i])6 M! k# v: T6 Z7 x4 j2 y+ k
- LDA Enemy_State,X. g3 X6 d1 S/ c) c! `: H- F
- BEQ Bullet_Track_Enemy_Check_Continue
9 P- H; _9 {1 h9 _7 V: q2 | - LDA Enemy_Blood,X9 w* Q5 `& g) ^. e; i" U
- BMI Bullet_Track_Enemy_Check_Continue
: G( V/ e1 o; o1 ^ -
& R* b6 r0 ]( x; D; H - LDX Loop_Index_I
$ v4 X/ Y* w! \/ N6 j6 i5 |/ H: b; o - LDA Track_Enemy_Index,X, B% [6 S: v+ \
- CMP #$FF
8 ]3 u/ O) z! S: q, U# W - BEQ Bullet_Track_Enemy_Init
9 S& I6 d1 y u, H% D ` - ' u% u; m5 q! }: g+ u& J
- Bullet_Track_Enemy_Init:
5 z: K( d+ N) F5 k - LDA Loop_Index_J
( h, g% `5 f6 y, G0 E- o* N2 _4 V - STA Track_Enemy_Index,X ;nTrack[i] = j;
* H5 N. k5 O. V, T, g) L) a8 a, Z - % y2 n6 J; C/ E- J: D5 I
- STA nEnemyIndex( i1 O, b- H( ^2 K$ p4 F6 f) v
- INC nEnemyIndex ;nEnemyIndex = j + 1; b1 }/ W! K6 Q7 W, z
- RTS ;break;* l# Q: w" w, G: S' ]2 _
- n& q3 F6 b/ ^9 k d6 }
- Bullet_Track_Enemy_Check_Continue:& a: C9 I6 a3 L/ u8 I
- LDX Loop_Index_J
% I. A, q0 p: ]0 | - INX ;j++
. E. d d* d5 a& }( n3 T) E5 F# ~ u - CPX Enemy_Index_End
2 v) v7 z( M% |( E8 q - BEQ Bullet_Track_Enemy_Check- ~$ X/ c3 n! h* c
- BCC Bullet_Track_Enemy_Check8 V7 U8 [# j: Z7 ^/ I6 d* [
- Bullet_Track_Enemy_End:1 m7 P7 X4 K8 L8 C* D ?7 h) C" u
- RTS
. i# S: i& s7 c
6 T9 h* z, E4 a$ c- Track_Enemy:
7 F7 s9 [5 U, d9 i1 c4 z6 H5 } - LDX #$0F
+ p$ h* z9 _ ]: S) r3 X - Track_Enemy_Begin:
7 K2 h* L0 g' d+ s( p - LDA Bullet_Icon,X5 j7 y+ t, ?# b' }! _, ~% n
- BEQ Track_Enemy_Continue+ t+ y7 x/ Y/ a- N- L- S
- LDA Bullet_State,X% x+ s! f; \0 h4 Y; c
- CMP #$01
9 E# C9 q4 r+ ] a9 ]# Q- C+ q' m - BNE Track_Enemy_Continue! o C4 N# L3 h6 z
- ' H3 f1 Q& x- ]8 _+ n5 p
- JSR Track_Enemy_Process( I# c/ f. t! e1 N0 p! C7 S
-
/ { o. E3 r3 G! d+ W - Track_Enemy_Continue:1 N, I. F( T6 o9 V& R1 R; S
- DEX
6 n1 Z: \( L3 p/ u8 [8 } - BPL Track_Enemy_Begin
( z0 A/ G* s* t6 O" U1 V - RTS1 ~4 Y# {% E6 G0 Y4 \$ h
, R. J8 S4 q/ w H9 ^ O7 H2 G- ;普通关卡
( I; g3 ^) Q8 I; ]& \ - Track_Enemy_Process:
2 K0 d, `! S/ n% t - LDA Track_Enemy_Index,X
+ s) ?/ R; R3 w3 G5 ? - CMP Enemy_Index8 r6 ]: |4 v* s7 c+ N3 G+ T
- BNE Track_Enemy_End
$ I' x5 |4 J3 C5 v4 a+ g" W3 \ - LDY Enemy_Index; ^- \/ Q. V& x; \$ d
- JSR Track_Enemy_Y
; C7 r; s5 ? M; d4 H9 U4 R - LDY Enemy_Index% g L5 G# }/ \& j$ ]* O
- JSR Track_Enemy_X8 |) Z7 J, E1 Q% N+ W* G# h
- Track_Enemy_End:
6 s7 O) w# P$ m0 b4 k: ^, e - RTS
. K: N2 h! S4 W3 O( C u -
9 k( t) M! W$ i1 A' ]3 {: t4 k - Track_Enemy_Y:/ M* i: }$ o' H, [! V
- SEC
. ?$ N$ ~4 N5 @: w1 U- H Z - LDA Bullet_Y_Pos,X
0 l8 z8 A/ E' U8 q) W - SBC Enemy_Y_Pos,Y
$ Z4 \, I1 _! f s. q: K - BEQ Track_Enemy_Y_Equal8 E" v- \) }7 n% U, {; B8 Z' a
- BCS Track_Enemy_Y_Greater
! ^0 w4 Z1 v( V) K( e) ^ - 1 x3 g, Z2 u) [
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y D' }& s% E8 G/ T" @7 h" o
- CMP #$FC& q0 P$ L4 U3 T; c1 I" A
- BCC L1_15 T* f0 y" @! V5 O9 x. c" D3 S" j9 g
- CMP #$FE8 G6 C$ k) }) P$ T
- BCC L1_2
1 Z. l% m6 Z4 b - LDA #$001 k X! R( S" v# k8 \+ B7 H
- STA Bullet_Y_Speed,X& L% Q/ C w, t% D9 _
- RTS e! s5 ?7 @3 v: C9 g
- L1_1:
5 l# r V# o$ \) W" F8 d - LDA Bullet_Type,X; l Y* z9 o/ A1 }: z/ D9 x
- AND #$0F
. p. b2 ^. E! H: V - TAY5 ?( I" E5 K' C i
- LDA Bullet_Speed_Data,Y
3 [# v; s7 w7 _" Q2 I- ?: D - STA Bullet_Y_Speed,X1 T0 k+ f8 f( U, o0 w
- RTS& A2 w$ C4 M, `8 }. }- `
- % \2 r0 Y* c5 E7 ]1 n4 }# [6 X
- L1_2: % ?7 i* f! {; [# T5 ~9 [+ q
- STA Data_buffer& e! _' b6 z/ A7 t% T
- LDA #$00
: m/ S+ ?0 ^% [# T# ?, G9 [* a0 `# f - STA Data_buffer
. `; i4 K2 Z7 u( C5 R/ w - LSR
* L9 Q6 |9 c# d7 ]# D - STA Bullet_Y_Speed,X, @2 t/ J0 {% y( A. m
- RTS% I: t5 X e: r, J
) o6 g! w" E6 J {, T2 ~- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
6 z+ E5 t7 Q7 Z( R- _- H - CMP #$04" O* A3 L* j" x" g! J& |) @( q7 K& s
- BCS L2_1' w4 v3 ^- S, Z) f
- CMP #$04
: \2 X' C7 r9 d - BCS L2_2" a. F9 k* N2 \, Z2 q2 F+ W5 w
- LDA #$003 J0 d: S( S) i g& T* z
- STA Bullet_Y_Speed,X
2 t) q$ F7 k& n/ ~ - RTS# z" k' ]/ W# }+ H. k" \% b" |9 a
- ) t4 Y2 A: S# n3 j' V+ z
- L2_1:
' p# S1 ]8 f8 y8 \. G - LDA Bullet_Type,X
! G$ D) m$ F9 t; Z, k - AND #$0F
9 f: Q. b9 I' U8 {9 i) { - TAY
- B& N$ V; |* r Q7 K - LDA #$00 l5 R2 j: _: M1 H/ c+ i5 x
- SBC Bullet_Speed_Data,Y
: h( R8 [) I: L( m$ \$ {3 W - STA Bullet_Y_Speed,X3 ]; S' {9 T) l [; T6 _
- RTS
6 e5 Q; \* J2 g# q; y v; H - 3 N) R& X) \3 h8 s2 l
- L2_2:
. a) d- ~5 E2 @ - LSR3 V/ b' P: v& u
- STA Data_buffer
$ q! G- j. B' k; Y1 @ - LDA #$00
8 t, t8 k9 q( z - SBC Data_buffer6 m$ h' `& h& J4 C- |8 N9 { R
- STA Bullet_Y_Speed,X
d8 G/ f' G0 ]8 ^$ n5 z! p - RTS
j3 [7 I' P1 x3 _9 `! _" w$ Y' u -
4 D& `1 k( X+ q' B2 \8 B1 i - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
Y/ s" }2 c) s6 p& [6 c8 W - LDA #$00
, M- Q( R& F' h8 o4 i - STA Bullet_Y_Speed,X
% f6 z/ r3 D& K) @7 C" K9 \ - RTS
6 t I( r" Y# `# ^- N: Z: K5 `, q - 4 S6 N4 Z( a [9 B, `
- Track_Enemy_X:/ W" R% a' L# j U6 ^& V
- SEC
, M& l6 U& b/ G1 f+ H# m4 T - LDA Bullet_X_Pos,X
9 H1 U! f+ H, U, J# a6 D - SBC Enemy_X_Pos,Y- n8 T' Y/ G4 r7 P$ L M& P
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
, L% f" e: H. }( h) R4 b - BCS Track_Enemy_X_Greater ;子弹在敌人下方
% S: v+ W; ]: U3 Z( n* B - ! {) ]; ~5 {( T& C
- Track_Enemy_X_Less: ;子弹X < 敌人X
- s" r, P$ D. @+ K R% ^/ V - CMP #$FC
: C+ t9 ?! R4 v - BCC L3_1
! J: s; l8 c; ]: F v$ d* l4 W" g - CMP #$FE
/ B( I% w! a9 F2 G& s2 g3 B1 B - BCC L3_2' x* K" y) b; D' H4 f3 P
- LDA #$00( X0 H9 s: y9 H- D! x' X
- STA Bullet_X_Speed,X
4 _) D3 u: m5 a* P - RTS3 ^( G$ V+ S9 F) E: [8 Q
- L3_1:
6 k; M0 h. o% u, W+ K N - LDA Bullet_Type,X
# q7 V) S& m* a0 ^3 W - AND #$0F
1 Y6 \4 k1 T5 K6 k5 A4 r+ U0 }; f - TAY6 B8 p8 D( {/ M0 b+ Y b/ ]
- LDA Bullet_Speed_Data,Y0 g7 D# p( w- m: F
- STA Bullet_X_Speed,X
9 @& M. b0 ?$ Z2 b/ P" V( u& s - RTS
" e$ t/ N( }- K" ^ - L3_2:
% X4 G3 K7 ~* G# r. n - STA Data_buffer
: |) {) _1 a$ I& M+ B - LDA #$00; u5 M. O6 G+ F n4 E* o
- STA Data_buffer
+ A% J7 ~& i2 }1 ]) U/ D - LSR
' @5 I7 Y6 ] H$ L# o& W- Y - STA Bullet_X_Speed,X8 g, P0 F) e% K4 q' k' L
- RTS, {5 X2 y: p# q8 {* e* ~
- 5 c2 Z. w& B+ ], f
- Track_Enemy_X_Greater: ;子弹X > 敌人X
: i& t6 ~" D2 D% l0 P$ D - CMP #$047 k! U# S) e6 k
- BCS L4_1
% _! N E; w+ K6 O4 B9 B- V - CMP #$02
+ I! [0 W1 }% X* {7 [ - BCS L4_2
h3 Q) g+ O) M+ M# {9 R - LDA #$00
1 W' o; b e6 c: }; e) X - STA Bullet_X_Speed,X
, X* ]$ w9 B+ b5 j6 l2 M$ r9 q - RTS
- e8 ^; ?" I: |: I' ]0 J -
( ^; w- P* H O! _ - L4_1:
/ c: i& G7 ~4 [. l - LDA Bullet_Type,X
, q$ B) b: }/ P" x8 T U6 f* b) v - AND #$0F2 Q( d' |7 k# o% y
- TAY$ }$ m% F+ f& t
- LDA #$00
: A& o' m9 {+ i3 U4 R0 H/ p - SBC Bullet_Speed_Data,Y$ C* o: y0 S& z) j" m( p E
- STA Bullet_X_Speed,X0 N- d4 ^& }- U. Q
- RTS/ R& a* W( F0 Q; l
- L4_2:
; ~+ t5 t7 w0 {* \ - LSR* ~5 `# H# d' l# z
- STA Data_buffer4 H& z" b9 i4 y. D0 u& D5 W
- LDA #$00
* y2 Y) |% g5 V7 g% l# _ m1 g- Q - SBC Data_buffer
, a7 F. g! l! ^& D3 F - STA Bullet_X_Speed,X
4 ] i' e% D" I& e. h' ? - RTS
6 g8 r9 e. ^- l, T* O. M -
0 U+ m# l" X( u; n - Track_Enemy_X_Equal: ;子弹X == 敌人X
r& L7 N. q/ o" p - LDA #$00
8 T$ s) l+ m1 _ x - STA Bullet_X_Speed,X
" c; k+ P9 V, N- @+ C4 I- |" R - RTS
' X9 ]/ A$ A0 C2 l! j% i1 D# K: ?3 k) H -
% Q3 |5 j) ^2 C- E% }2 W) Y - Bullet_Speed_Data:
, e0 y' I E# C4 ^6 s8 P8 R+ x! @ - .DB $00,$03,$03,$02,$03,$03
7 R& y# T' K0 u& p6 ]' W -
8 z& m) Y; z0 _$ D) B9 | - ;2, 4关
2 _5 L$ }, O) O- u/ i- t - Track_Enemy_Ex:, D5 ^ Q1 a: ?/ U+ X- s
- LDX #$0F. }! T: Y4 N5 D1 z2 X8 K2 A7 t
- Track_Enemy_Ex_Begin:0 f4 B+ H d. ~" t9 A$ }
5 _2 H! U$ n& X- LDA Bullet_State,X
6 ~ n1 {0 A/ b5 L/ ?5 \0 h - CMP #$016 [$ }% t8 U! Z9 ^
- BNE Track_Enemy_Ex_Continue
3 J& J; E8 G% ` G7 G7 T -
2 M( ?# t* a- X+ H. w9 D, q6 Z - LDA Track_Enemy_Index,X
' v0 h/ e& G$ W0 ]. T v - CMP Enemy_Index
7 D7 P9 E) D- p8 H0 B: D8 \ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
' S6 ^1 d7 S5 w$ a1 Z - t; G4 G- J b# ~& `
- LDY Enemy_Index
9 ]0 {+ h7 M0 o0 ]( f/ g - JSR Track_Enemy_Ex_X% M; s. ~9 K+ P! K
- $ u8 f' d& k6 S7 x! K
- Track_Enemy_Ex_Continue:1 b1 L# q6 G7 _; S# q" ?3 W3 F* V
- DEX ^5 B4 n6 q$ a( N, m" C
- BPL Track_Enemy_Ex_Begin
$ D7 v, N( y9 ?( y" ` - Track_Enemy_Ex_End:* r) I% a; s2 p3 t7 _
- RTS: s" [% B* j+ o, c7 Q* b
- # w; s6 I3 ]" ?" w2 S1 Z5 H
- Track_Enemy_Ex_X:) z8 d0 Q! t1 L) Q
- ;LDA Bullet_Z_Pos,X, z. I* ?& h0 {+ u3 o) x( p9 t
- ;CMP #$043 O8 }9 K- ]# N6 b. O; `$ s
- ;BCC Track_Enemy_Ex_X_End
6 W8 \3 f0 @& s1 m - SEC- _& n1 X. P3 k1 H. ~( f) R7 H4 I
- LDA Bullet_X_Pos,X
; P4 D" I* M, t! C: L - SBC Enemy_X_Pos,Y- S- e5 J9 D e
- BCS Track_Enemy_Ex_X_Greater& O, [1 l: l1 {3 Q8 O8 f: h3 [ ~
- & M8 x2 p7 D# C& y; C. @6 F! x# I
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X9 N8 A7 k! }" ?* r" g2 C" {9 Q" t/ Q
- CMP #$FD
e6 t. q+ z; L! O/ z5 J! {7 J, | - BCS Track_Enemy_Ex_X_Less_End
2 B* B# T; E! x/ g |" h: L - LDA $6020,X
6 F, F8 `' I' }" K1 @# ]7 Z, C! w( } - CMP #$2A
5 A' d# t+ y# q" @( B y% U/ J( d - BEQ Track_Enemy_Ex_X_Less_L1- K4 j6 V Q( }' x
- LDA Bullet_Z_Pos,X" @5 w- h5 M9 B' T1 {* q0 d: X
- LSR0 \( o8 a$ l3 q1 T [% V' @& w; m
- TAY8 b5 P$ I* Z6 l; G4 T, r, o% G
- LDA Bullet_Speed_Data_Ex_R,Y3 [6 D6 i2 g, [+ n7 y) f
- STA Bullet_X_Speed,X# X+ C! N4 j2 W8 x$ x4 Z
- RTS- K1 h' _4 g- `6 I2 s! ~% r
- Track_Enemy_Ex_X_Less_L1:( K& m" I$ ?, S; y2 x
9 i s* v' O! r+ j' F8 u4 V- LDA Bullet_Z_Pos,X/ z5 [/ O+ k% c, V4 q
- LSR
! B- [% s$ K' ~; }) X6 w - LSR- H( k, g5 m& N& G
- TAY
) y1 S6 e$ z c% T3 s7 ]2 J - LDA Bullet_Speed_Data_Ex,Y
0 |. K2 W0 x" W8 [ - STA Bullet_X_Speed,X9 M& B6 J0 K2 t, }
- RTS
; P( Y6 |$ B" k9 U% C1 c! j - 6 Z: n; X4 A$ Z! b
- Track_Enemy_Ex_X_Less_End:. X5 p- ^( G+ f E* _! s% |
- RTS3 \3 M2 s4 M" ^1 A
- , D' B; e) m5 ]/ X! y% D' V: a
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
( K, `1 b E# A6 ]& n- r - CMP #$03+ |& Y; O( m. z c4 C& R4 d J
- BCC Track_Enemy_Ex_X_End
# W; J8 n8 f# ?5 V* T* C - LDA $6020,X; U' L% s9 q J+ Q
- CMP #$2A
; k/ n$ ^$ U- G1 ]1 [ - BEQ Track_Enemy_Ex_X_Greater_L1+ z4 T# I9 ]) h4 J; R; e
- LDA Bullet_Z_Pos,X
. a: j1 E f) B - LSR2 d" m) G6 L" [
- TAY9 J3 J* M" b, {) j% ^( Y2 s- ?
- LDA #$004 o7 _% h& n0 C, f
- SEC
( ]8 V% v- V) p; c) R" o7 m* T - SBC Bullet_Speed_Data_Ex_R,Y' n. B) {9 L) V2 ?9 \3 d4 N P. f2 }
- STA Bullet_X_Speed,X
3 N' z7 Y! x2 \ - RTS: Y/ K2 e: u! L/ {* P
- ) e3 t& C5 z. d7 C9 A
- Track_Enemy_Ex_X_Greater_L19 R: E d4 u5 e
- LDA Bullet_Z_Pos,X+ K0 p" f5 w, W* S( g) ]* z( R7 `
- LSR3 u c( G% h0 G1 ~ n3 m
- LSR' d# r& M& l9 M2 a8 |* s
- TAY! q* N' W+ c9 f+ \. I
- LDA #$005 @- x9 @. x0 n3 A0 [+ }1 q
- SEC* P, U6 ]! `5 Z# w
- SBC Bullet_Speed_Data_Ex,Y! e7 ~+ u% V4 ~, J
- STA Bullet_X_Speed,X# R/ |4 i. {) T3 Z! G$ K$ y& J
- RTS
0 Q9 t. n0 G. e6 u; E# L - 9 T, R' A! P E( R) T" t
- Track_Enemy_Ex_X_End:
% u0 G [1 s( z* o6 n - RTS" f: S) v: c( N
-
8 E5 ]7 m# k# l# f. z! Q - ;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)
( O. l! Y. i) b c7 d - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上0 T9 Y. m3 N& h0 l. e4 R R4 V7 g
- Bullet_Tract_Direction:
7 Z8 J+ e- I! h - LDA Bullet_Icon,X: Z7 ^ I& [7 g a$ w. I" h
- CMP #$23
- \, d; F' T) U- j0 ~0 V1 K - BCC Bullet_Tract_Direction_End3 C" W4 {& L. M0 Q* [# v: d
- * d2 `/ d* R1 p; J: b) m8 j
- ; X != 0" J5 r5 d% N$ j9 s0 b
- LDA Bullet_X_Speed,X
, ]7 m. Z8 T" Q - BEQ Bullet_Direction_V: \6 q% z9 x6 k, G/ l0 x7 J
- 5 e/ V, I, k# Q; x
- LDA Bullet_Y_Speed,X% |( T7 P2 u0 @ L
- BEQ Bullet_Direction_H$ w9 S- p* ?9 Y9 K2 i0 I
-
# ]2 z; D" F3 u, z- t0 \ - LDA Bullet_X_Speed,X
4 d* X6 ]% ?/ y4 \) ~4 u - BPL Bullet_Tract_Direction_Right
5 M- t8 a# z! c$ o; f# z' p* Z - Bullet_Tract_Direction_Left:7 e. t; m" q7 ?7 H1 P. A
- LDA Bullet_Y_Speed,X
7 j E3 A3 O {6 @9 O! K - BMI Bullet_Direction_Left_Top/ t: X+ A. }4 `9 x* T2 l4 f- l1 _- s
- BPL Bullet_Direction_Left_Down
* `+ r m2 a O+ e( y - Bullet_Tract_Direction_Right:
0 X* m7 R. C* G1 k# v - LDA Bullet_Y_Speed,X. W# T+ z p3 F7 z
- BMI Bullet_Direction_Right_Top5 m, n$ I" s) ?$ g+ [# r1 U! X+ |
- BPL Bullet_Direction_Right_Down
% V% S, u! O( @ X7 { - Bullet_Tract_Direction_End:
2 O0 u+ g7 i: ?1 H$ x( r - RTS
# M, L# {! H' Y0 j2 [8 y) V+ j i( w
/ C1 }1 `6 H6 y6 p- Bullet_Direction_Left_Top:4 z& W2 Y8 [; V' c& r# @
- LDA #$25
, ?- @ _2 P2 {+ K' g0 n9 x# D4 l! K - STA Bullet_Icon,X
* l$ R# p( G8 l" L; c - LDA #$C0
% P& X: ~5 f, y8 j - STA Bullet_Direction,X
) e" i0 N, g2 {/ Y+ g - RTS
9 l* H# D* g5 y5 d% t0 G
# b0 K$ E4 `9 a6 K# D- Bullet_Direction_Left_Down:7 [; N1 d* h) U" _1 |2 W4 n
- LDA #$25
( Y. |6 u7 D( y- r - STA Bullet_Icon,X$ ~8 n8 a0 {) [3 t. F9 q) R. e8 a
- LDA #$40; o6 y! s8 o: q/ z3 ^
- STA Bullet_Direction,X% ~; f* @/ x% `2 x
- RTS( n$ E2 p: ~: p7 c6 ~8 R
) D: A& }5 f( ]; Q; @1 C( G' n- Bullet_Direction_Right_Top:
6 d* f& ^2 L( \9 N( l - LDA #$256 V5 p9 a2 c( P; W% Y* }
- STA Bullet_Icon,X
* b# M+ j/ C. J6 x, ` - LDA #$80
% ~0 q6 @' U: Z - STA Bullet_Direction,X
: r( m% W: J6 P. R2 } - RTS
u" u1 ?. w6 [8 E2 |0 F* F
& j% v4 R0 ]7 z$ Q' w- Bullet_Direction_Right_Down:, n) w$ ~! W( ]/ N$ b/ a( e
- LDA #$25. ]( E5 k% [2 f) q+ Z; a
- STA Bullet_Icon,X
5 `7 b% p; _" `- P% ^ - LDA #$00
4 j3 l0 R) z9 z - STA Bullet_Direction,X
1 S& h8 Q3 k# d4 `$ j3 i6 n - RTS& O) E1 M. T3 Q. g2 b# T' ]
: ] t0 N* R) y; N7 d, J& M- Bullet_Direction_H:
+ D0 x5 m1 q1 k, `/ m8 |2 P+ o+ } - LDA #$24
; g. Z% W6 S( |4 W) i - STA Bullet_Icon,X* E+ j% f1 |* z5 {% P+ ]! ]# \
- LDA #$00( |! \/ v0 w" {/ ?
- STA Bullet_Direction,X
" @* J. U3 D: z6 n - RTS
8 H" Q' I, S$ B: m+ R7 W - 9 m; }1 H u: w- N# `6 M2 L$ D
- Bullet_Direction_V:! }2 ]: A' ^* W1 v) P+ r( i' e
- LDA #$23
* X- U: o. Q. }6 c" g - STA Bullet_Icon,X
4 t6 h. A4 S) m8 ~3 R, J! G - LDA #$00# n$ a) y/ `. f. M
- STA Bullet_Direction,X4 }/ x: C% ]# v3 K5 H
- RTS* X5 q: f) |* I0 c( `
: N% _' t" [- e- Bullet_Speed_Data_Ex:8 J: s7 B0 {1 K& H6 K, x
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
/ j) S* W) ^. s+ [ ~, W! K7 e -
2 Z* b- X# d5 H& ? - Bullet_Speed_Data_Ex_R:$ F! g. v% k6 p) k
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08" s" [5 i& ^4 }7 n, s+ d
-
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( O+ j2 E4 ^9 o& M: P8 U l" }0 U. P$ X8 i
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