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[FC][魂斗罗][J][追踪弹]/ _! V- g6 R' [ t% m( E h
5 |3 J5 z1 U- I& K& s2 ~% z9 f, `2 {
时间:2023.04.30, [1 n L _' J* x' w3 K6 j. k
作者:FlameCyclone8 K; s" F- J4 D8 W2 Y2 ^
内容:
- r3 g5 e5 E. B6 D7 h' m 1. 所有子弹追踪敌人
9 F/ x* G7 D2 W2 k8 n% } 2. 选择键切换武器 u- i+ E+ O0 b
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: N3 T2 d% j1 m
: R/ E5 z) S) S- E3 }% n( `flamecyclone.ys168.com
6 B: [3 Y. Y# M0 f/ S" d
$ _1 E4 }& ?- d) f( R# @- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁/ O# S. f* p0 l4 p; h4 F' G" s
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
3 e: B0 B0 y9 n+ i( q' f1 t$ O- z - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)' l; b. W: m) y6 O- H5 m
! c% g! C$ ~5 z! D7 ]: W% ?+ p- ;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)- t% L2 X2 c) H
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 T/ b# |5 g+ c% G, [ G; t
- 7 J; O7 X+ b$ E; T# a& T4 m
- Track_Enemy_Index = $6000
3 k) R9 @0 U% Q0 q0 I+ b7 A3 b - Enemy_Index_Begin = $60101 Y, x& s% J# d+ ?# _/ v
- Enemy_Index_End = $60118 j# ^, d3 J4 }: @' N6 C' \
6 ^2 u$ r8 J6 Y; m' P- Loop_Index_I = $60126 a5 s" L% o! q( \
- Loop_Index_J = $6013
7 ~" r3 P3 t* l6 l - nEnemyIndex = $6014
/ h: d- J( k5 Q! {7 z - Data_buffer = $6015
' h# ^. L+ H: \# Y3 i' r E - 5 |( C* p; Y/ F' F. N$ w
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
3 F2 J N! P F* r2 V) m* k0 l+ F/ X - Bullet_X_Pos = $03C8 ;子弹水平坐标
1 `8 j0 K: R$ p5 r3 C3 Q - Bullet_Y_Speed = $03F8 ;子弹垂直速度
& k Z7 U; _+ ~. \ - Bullet_X_Speed = $0408 ;子弹水平速度
3 K3 D- r5 V5 i8 F w( G# e- x - Bullet_Z_Pos = $0418 ;子弹Z坐标
; c0 l$ M8 Q* U% z' Y/ s% l) Q5 u - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P: _# Q" W7 l6 e2 R; C7 o( v9 l
- 8 F3 z7 M. i3 N3 I% V
- 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7 K5 Q% ]( y' r9 X
- Enemy_Blood = $0598 ;敌人血量
' Q. \% U6 |" Z* b) L, y - Enemy_Type_Addr = $0528 ;敌人类型
# @" \* o% x( `1 p( O - Enemy_Blood_Addr = $0578 ;敌人血量
' k$ M+ w) f6 @( ? - Enemy_Y_Pos = $0324 ;敌人垂直坐标
* s1 X: @) z" B5 l4 _3 R0 e - Enemy_X_Pos = $033E ;敌人水平坐标
0 U) w/ r- S! P! |9 i0 a& ~ - Enemy_Y_Speed = $04E8 ;敌人垂直速度
4 f8 j; T. w5 W3 X4 y - 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
/ O. @( N" d4 Q6 f9 [
- Z3 K. e/ }/ n, u- Enemy_Index = $83 ;# a0 X% l( s% C% u1 @( n: g
- Time_Count = $1A8 Q- a7 W$ h) o; P9 ]8 R. X% G
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率: u. ^4 f5 v( x; O
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
' Z4 |" v/ A1 @ Q3 Q0 _
# ` C; u+ N7 C2 B' K8 e
- q1 l5 H! ?; ?" A+ B2 I- .ORG $6100
0 N- \, Z+ |: p8 S; i; {' u - Process_Begin:" u7 r! e1 Z7 H4 J/ d
- JSR Enemy_Check: i! c& }8 X7 P; F( m% T
- JSR Track_Enemy_Check3 E# l& v% [- m
- Process_End:
8 P1 j8 g! E( m - JMP $E54F, d8 |$ [* u4 J
& Q2 j& r$ L/ ~! O# x- Enemy_Check:8 j: H2 ]: {+ b" S+ ^' d8 p
- LDA Time_Count% f0 m- |- W c
- AND #Track_Bullet_Speed
. h8 G" L3 [3 t& P - CMP #Track_Bullet_Speed
& W" l$ [4 ?3 _5 h% B( v5 T h. S - BNE Enemy_Check_End- f+ K; \6 Z* C) _$ J. J' @
- LDX #$0F
1 y. Z8 Z& v: X - Enemy_Check_Begin:. K0 b; m0 |3 R# R; m, ]
- LDA Enemy_State,X1 Z/ ~2 i9 B0 a0 R5 b" x# o
- BEQ Enemy_Check_Continue
, F7 _: K( l' n4 E# i! R - STX Enemy_Index7 t* c! ]2 W9 x& I' O3 Q7 T3 z
- JSR Find_Begin_Enemy W" Y8 i# a. X8 H8 O2 t+ l: a
- JSR Find_End_Enemy
& Z; I& T) D) \8 z - JSR Bullet_Track
- P9 T4 W' e- d7 f6 W -
" U" ^2 X4 D, h1 e; g - LDX Enemy_Index2 x: B S- Q" G8 \
- Enemy_Check_Continue:
# J. Q, |. M5 V' q# `3 _ - DEX* n4 G3 `1 U2 [, N
- BPL Enemy_Check_Begin, Z! j ?3 Y2 Q/ F5 `# x
- Enemy_Check_End:
% |7 }4 z1 P/ W$ P0 E - RTS' e0 D+ |2 z4 ? z
-
7 l2 T2 x+ J$ i0 B4 c5 u - Track_Enemy_Check:# Z* C4 V e* R! ^
- LDA Time_Count7 }" N1 h/ Z# D4 K
- AND #Track_Enemy_Speed
: U& w% F2 t9 H/ ^) V+ K' `# m - CMP #Track_Enemy_Speed9 o( J! I. t5 k$ h
- BNE Track_Enemy_Check_End
7 |3 u6 q# @$ ?/ F) M9 h - LDX #$0F! v, J1 H: B. Q2 k, a
- Track_Enemy_Check_Begin:
f5 C' Q3 }& r) E7 F - LDA Enemy_State,X3 D! q t1 c2 d+ e7 N* m% J
- BEQ Track_Enemy_Check_Continue
0 o! ]' \ Q( Y7 D* {7 n - STX Enemy_Index
8 i& C" k5 m" k -
$ o1 B# \! ?" w& {- ? - LDA $408 r0 d) ?1 c2 |
- LSR) E6 j, K: V7 ]. U+ o
- BCC Track_Enemy_Check_Begin_L1
4 T! M! }8 B+ P' H: C* ` - / b- q, f @7 r! C: D' E
- JSR Track_Enemy_Ex ;2, 44 _5 Y6 H# f8 b2 B% u
- LDA #$00 r3 r4 q. D! `) v$ G' ?
- BEQ Track_Enemy_Check_Begin_L2
D. g2 Z. o# ^ -
9 O2 s/ O) J) P6 E1 | - Track_Enemy_Check_Begin_L1:
- B6 S, E: Z0 k3 V' z - : q( |$ l v3 S3 W' }8 U# _4 r
- JSR Track_Enemy& B% Y! |- q& D9 a5 I7 E M' y5 V
# i8 J& K8 } p# M( t- Track_Enemy_Check_Begin_L2:
1 p, i- z; |* \! _ -
# S( L X% c P U - LDX Enemy_Index
8 V+ Y/ h5 j* C - Track_Enemy_Check_Continue:9 ]' f% N1 |- L1 y `# K
- DEX5 f( y$ Z2 [% j
- BPL Track_Enemy_Check_Begin
5 d5 C& {! w1 }( q6 I - Track_Enemy_Check_End:. ?( t, V. e# }" k9 [3 O& g5 J2 ~
- RTS
8 a1 x$ z4 _" y$ d/ x - 3 O1 ~, H% J, B) o' T
3 C+ `+ e2 r) N; E, F9 N% J- X. N- ;查找第一个敌人, y7 E4 _; m4 E$ p- V; C
- Find_Begin_Enemy: D6 ^0 s- j9 a: r* E2 |
- LDX #$00
9 E0 L4 U3 s0 y3 C - Find_Begin_Enemy_Check:
9 l$ Y- c% O% X/ [4 p - LDA Enemy_State,X
! M( K; R0 J* E, V7 R- q - BEQ Find_Begin_Enemy_Check_Continue
% v; _9 v# @! W: j- L! O - LDA Enemy_Blood,X# [& @/ i1 p) F: u1 y8 D/ n. j+ u
- BMI Find_Begin_Enemy_Check_Continue# Z7 t R5 D' G( w3 r: r4 R. m
- BNE Find_Begin_Enemy_End9 \" l0 a' M n+ J% A: d- y, t
-
* {0 Z: T6 k8 Z6 q3 r0 x. {! r - Find_Begin_Enemy_Check_Continue:
( R) n3 g) h$ ~$ r9 Q9 u9 S - INX: h, Z$ L5 q$ V
- CPX #$10* m/ N: [3 k0 n% t
- BCC Find_Begin_Enemy_Check7 i9 m. ]. W# I, n
- Find_Begin_Enemy_End:$ t( f w2 H8 z# c
- STX Enemy_Index_Begin
! L& Y7 S) T8 u" y- e: T - RTS
( S! O L" s1 M- o1 t t - ; c" M3 W" ~7 q9 t/ c) g8 R i
- ;查找最后一个敌人
7 g3 ?" Q& u" x - Find_End_Enemy:
/ ^" o& v! @0 H8 Y8 T" M1 _% a - LDX #$0F
! S% F7 |, Q8 d2 R! } - Find_End_Enemy_Check:
1 [% F7 V. Z2 w. U0 s9 B& T7 v: v - LDA Enemy_State,X
, y2 p5 r& v1 j+ z. k3 L - BEQ Find_End_Enemy_Check_Continue
3 J, x/ I, `, v) k) o$ w4 x' [ - LDA Enemy_Blood,X
8 o- u, \& C8 i7 Z/ C* O% A" E - BMI Find_End_Enemy_Check_Continue* D( M8 E& o7 l
- BNE Find_End_Enemy_End) {; }* x& w: s: K+ Y8 _0 A3 k
-
/ o+ {8 T4 {' Q9 r/ V5 r/ | - Find_End_Enemy_Check_Continue:! b, [# N3 F9 B- ]" s
- DEX
0 r. d* {4 C5 | J% T - BPL Find_End_Enemy_Check8 X' A9 X4 y! l' [0 l2 |* d$ h
- Find_End_Enemy_End:: Y( G& ^1 B r1 f
- STX Enemy_Index_End4 t p/ u, | W5 M6 b1 q; j& a
- RTS. E' g' f' ^# Z. @: j7 f
- & F4 [+ {: J( N9 _1 M# g# [1 R: Q
- ;子弹追踪
' x3 e7 l, T/ E4 n5 P/ Z - Bullet_Track:$ q. U3 g. b0 M7 k- u
- LDA Enemy_Index_Begin
+ y3 i d3 b8 }, k5 c* f" T4 e - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;- L$ j/ d) w! U- U- ^7 `
- LDX #$00
8 h3 e5 {* [/ h; C - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)0 z4 ]$ I4 H9 g* Z8 a& j' U8 C2 d
- LDA Bullet_State,X
3 n: [7 p; K. I9 L( b# { - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;+ a( `& M$ d7 V* N l
- STX Loop_Index_I
2 N @9 k3 I' p/ F' Z, u - $ q" a; z) [6 T( {& w
- JSR Bullet_Track_Enemy
! Z+ d2 S& _2 p4 t, M - JSR Bullet_Tract_Direction
, r* o# k v. d( U* P6 w0 B -
D! K/ R _1 m" ?4 J3 |0 ] - ;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
# I* m" ~0 |2 _! M: N' _, a - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
/ x' c' b) x r5 u+ E% B1 {- K$ E. b - LDA nEnemyIndex& N/ c/ D2 W0 }
- CMP Enemy_Index_End9 W3 a! k5 k9 H, f/ H. H; Q
- BEQ Bullet_Track_Check_Continue1 h7 P7 D* q# \0 T8 g) N4 A0 |
- BCC Bullet_Track_Check_Continue6 i0 A, F3 I0 W+ T6 x0 p- z
- LDA Enemy_Index_Begin
* J& U* R1 R' E% S - STA nEnemyIndex, V0 `0 _4 o6 V! W, v' Y
-
9 E: A+ Q' o7 o! L - Bullet_Track_Check_Continue:7 r4 J* Z u2 b. {, }" C5 }: u$ l
- LDX Loop_Index_I; H3 T& }1 i% o( t
- Bullet_Track_Check_End:2 H3 @$ Y/ r2 q! y: q/ V6 D$ l& ]' @
- INX
6 w9 v1 t" J& v% v - CPX #$10
" Q1 F2 a; u' L* v- K - BCC Bullet_Track_Check
! c+ Q& J" x) q) X% d - Bullet_Track_End:
7 U K* {" J3 @. F% i1 V - RTS
! L: G+ |4 E8 t4 R3 k3 a - 1 m5 Z0 z j) A7 s4 V" \- v% l/ L9 Q
- ;给敌人分配子弹
$ h$ s: h4 R4 w# E9 ^: a - Bullet_Track_Enemy:/ o/ A, ?% Y& o# v
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++), j6 d0 U# G- q. }* g J, k5 Y
- Bullet_Track_Enemy_Check:
; X1 i' D" a' W: ?4 ?) e - STX Loop_Index_J
6 p( s# e! o# r* }. x4 G. j - " }! _: s ~- @2 K# D! J
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
' s0 H8 q% u5 \4 P* Y y( i - LDA Enemy_State,X
- D! M( ^4 Y9 R. P d9 S+ Y6 p; X2 k - BEQ Bullet_Track_Enemy_Check_Continue6 b% u4 F( K' u5 v
- LDA Enemy_Blood,X
1 y/ D1 L, I8 F - BMI Bullet_Track_Enemy_Check_Continue
) b# `. [6 G+ U. }% r' d% f: S -
1 Z- G$ P) f! ~/ E o% Z3 h- E - LDX Loop_Index_I
6 N% C9 O' u# H* ` - LDA Track_Enemy_Index,X5 B' {& i5 g, b M. E
- CMP #$FF
: x+ s7 U3 f: Y" ~7 G9 Q - BEQ Bullet_Track_Enemy_Init$ u, b X! x+ D$ p
- . [7 h2 w3 E2 s. i4 d2 I; p+ n8 k
- Bullet_Track_Enemy_Init:
J; u+ t* m5 G q( R! r - LDA Loop_Index_J
( T; X5 e# T% ?# ?! _1 q: [8 f - STA Track_Enemy_Index,X ;nTrack[i] = j;+ N3 o1 k, N+ F2 G6 q: `* {
-
X8 T2 M' \- |+ h9 E1 E- K - STA nEnemyIndex
1 Y# q9 e. S) I - INC nEnemyIndex ;nEnemyIndex = j + 1;
' [/ b, B; r2 ]; I( {/ |+ [8 V* [7 b - RTS ;break;
( \" c" s$ S* A: m9 |% f7 \ - 3 B7 n0 j; n' M- m- Y& Q: n/ k- X* J
- Bullet_Track_Enemy_Check_Continue:
! Y4 z8 ~ c4 Y- a$ a! n4 ]: r - LDX Loop_Index_J
* {- R m/ S1 j: Q5 k! s - INX ;j++
- L ?; l2 I) H. D' r1 T5 x - CPX Enemy_Index_End2 r$ f; ~0 k$ k* @
- BEQ Bullet_Track_Enemy_Check
5 i- N6 k/ g4 c+ \" e* e+ P. s - BCC Bullet_Track_Enemy_Check
# w5 |) J; u* ]- V) Q - Bullet_Track_Enemy_End:
; L2 R# M6 F5 H/ @/ p; Z' ~ - RTS( C7 |2 q' M$ _
- ' Q/ |0 N4 v0 `$ \8 B
- Track_Enemy:; r* I5 s# X, {
- LDX #$0F+ f4 A" i1 [ j' w
- Track_Enemy_Begin:: S* q& P K2 d3 d/ F
- LDA Bullet_Icon,X
* _: [+ T4 Q& W7 ^" [2 M - BEQ Track_Enemy_Continue; y( b8 B6 |& F
- LDA Bullet_State,X6 D8 u8 s2 \- z) K
- CMP #$01( I3 {% [9 K7 a& b! f0 c: f9 [) j
- BNE Track_Enemy_Continue
+ J, [5 f1 T6 |, t% w" \ -
1 p; Q q% C% Q - JSR Track_Enemy_Process" h# o' X2 u' p' H0 U
-
1 i( u0 d: X& x$ c7 o4 j - Track_Enemy_Continue:: d Y% k% G5 K6 V; M+ v9 b! w0 t
- DEX
8 E7 C" _0 L# S- a# S. x0 H - BPL Track_Enemy_Begin
* V+ }' l% }" R# [ - RTS
# j# z! j7 _. p
3 E3 Z7 }7 g' R- ;普通关卡
1 ^% n+ E D0 V/ I3 u. C5 w ^ - Track_Enemy_Process:3 c' m( w( u7 I$ j0 G+ W
- LDA Track_Enemy_Index,X8 w& x( m* u& Q
- CMP Enemy_Index! e. W" O+ ?* I- W4 b$ D( a
- BNE Track_Enemy_End
4 u A0 R8 ^6 [. A - LDY Enemy_Index5 k* V! R- _) H# F
- JSR Track_Enemy_Y
+ H% V6 l4 t. d: e0 f3 W) L - LDY Enemy_Index
4 [; [6 \, q! f# G$ E [1 i3 T - JSR Track_Enemy_X
$ m' n! J; l, F+ n9 X - Track_Enemy_End:$ x5 _& i5 z( ]/ Y/ Y7 E
- RTS: U& O# ?! h) u( M0 [% N- a0 |
- 4 G- w) t0 X! \1 B. {5 U' G
- Track_Enemy_Y:( {- ^3 B& \1 ^' u' }
- SEC
$ ~! `5 y4 B; u* t" X6 C! c - LDA Bullet_Y_Pos,X: l# y6 A7 p, |4 l. H" P- r
- SBC Enemy_Y_Pos,Y
% K( C/ R) t$ E9 v" F - BEQ Track_Enemy_Y_Equal0 e6 N! P* v8 q* N* T7 Q, t
- BCS Track_Enemy_Y_Greater9 T4 C6 E9 p* m+ R/ f# R
-
+ O4 S5 ?7 P) l _# a1 @4 t/ ^( a - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
( D' i/ q; Y( ?- C6 L - CMP #$FC
( k* }. ?$ g8 w; M1 B0 U1 h& } - BCC L1_1# w: V2 ]& P r+ H( M' e. I. c
- CMP #$FE
3 c7 Z& X, R/ o6 d+ j: O - BCC L1_2: p( b2 ?# E$ {: I
- LDA #$00) H) I: U$ Z5 x" H
- STA Bullet_Y_Speed,X
' V0 G+ W6 `7 q3 |/ S" I+ _. D1 { - RTS
6 d: V% R/ A; l; y# e' Y - L1_1: 8 M* X6 K. F% c! K
- LDA Bullet_Type,X% Y- }# u1 ]1 a
- AND #$0F7 h" y$ W# r: P8 y! f3 }7 L' q
- TAY
3 f" s$ j4 G" r - LDA Bullet_Speed_Data,Y
" ?2 v9 N$ u7 b' p7 x - STA Bullet_Y_Speed,X1 Q0 r H! D3 F: y+ M
- RTS
! a- G/ h2 V9 }1 O4 X* z/ ?6 c1 r
5 s# o r% J; |2 E4 ]5 S- L1_2: J# _9 k! L1 v' r3 R
- STA Data_buffer
! Y% F- v: @3 m/ u - LDA #$00
, Z$ k8 Q" F8 Y9 b, [. J+ u - STA Data_buffer' \0 Y" U( v% H1 |$ j' ~# G1 h" K; ?. V
- LSR
$ A- }( B2 X( F1 Y: C# u: V - STA Bullet_Y_Speed,X
+ }/ ?6 h1 H; A& h' `; O - RTS
5 p2 \1 x$ `8 \3 x/ N; r3 o# \" } - " b) ]$ B' ]' q) V
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y/ C# N% l N6 @% X, K; I& C( F2 z+ H3 b
- CMP #$04
4 U7 ^/ x: d9 g1 G - BCS L2_14 R3 H/ J: F' O: E5 O p4 G
- CMP #$04
- P, {" u2 a8 R' Y5 B j3 v; A - BCS L2_2( t5 T* b8 \: m0 K4 u" S. o
- LDA #$00$ S! Q' Q, i" k2 d; g* a" t; y, B
- STA Bullet_Y_Speed,X% Z$ l0 W: e) r+ r/ o
- RTS
; [. _' g" }% r -
* i$ X8 [$ E8 }$ F2 K - L2_1:
+ `! l0 n! i5 L) S) Q6 } - LDA Bullet_Type,X
2 g0 o3 Q( c% F0 N% b- s! g8 [* Z - AND #$0F
) U |; h+ a; i$ |4 W6 V [: x. y - TAY
) `9 v# ]4 ~* E6 A: i4 Z5 o - LDA #$00
+ K) v. I i" e6 g) N - SBC Bullet_Speed_Data,Y8 z# ?4 z" F( v: F; n
- STA Bullet_Y_Speed,X
2 g! O2 Q$ ^7 T7 c - RTS
7 N( ~% W6 f* t" l A. @ -
/ L9 L* d4 }) `( h8 k+ ~ - L2_2:
$ e5 R' {2 F# D9 D. ]3 U7 K - LSR: W w. \8 q- O" `! q
- STA Data_buffer2 ~6 d/ Z5 l( A, b2 A$ M& o
- LDA #$00
* e, I3 E, f: K, v3 w6 |. W2 U - SBC Data_buffer/ T5 g8 ]5 X5 P) Z, A% Q; b0 M' W0 }
- STA Bullet_Y_Speed,X
6 e. Q T1 Q7 Z6 Z! t* K - RTS: a7 b! B$ D- [" w: I3 W K: o: G
-
6 q0 I! s+ e0 f8 H: ~4 N - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
o& f' @1 a+ h3 O - LDA #$00
& E# ^6 ] j% n I - STA Bullet_Y_Speed,X
4 J$ U: l/ Y9 m- L* T- w2 Y - RTS
* L; b& C" ?$ i -
- m) r: |! Q1 @* z; A, V - Track_Enemy_X:% F5 h& p; u6 ?. D: P9 L
- SEC$ e0 y% G+ j; \
- LDA Bullet_X_Pos,X; ]- E: z" a* p' W3 ^% k
- SBC Enemy_X_Pos,Y
5 S! P: S5 a( n/ u" [ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
b. u0 Z/ B, B, ]$ v5 I - BCS Track_Enemy_X_Greater ;子弹在敌人下方
; {( y7 y+ H9 p9 I3 H! w - # }% {8 O# k0 ^4 k5 D
- Track_Enemy_X_Less: ;子弹X < 敌人X& d- Q4 B8 p# Z' [
- CMP #$FC
+ w, S7 N+ ` D( ^ C - BCC L3_1+ ^8 A. Q+ p$ Q
- CMP #$FE
; b5 n( }7 @: v$ W I& ~7 Y" ~" q9 O - BCC L3_2
" L [6 K; o% Q0 [) Y3 t% W8 S - LDA #$008 Q0 N" o5 `9 j; j Q; k
- STA Bullet_X_Speed,X0 j: B" c+ _( e" T+ D% Q+ q9 u, m
- RTS
) f! z4 I# `% M+ s0 w, v) ~- M: Q/ P - L3_1: B3 G1 _2 Z; f" B/ E
- LDA Bullet_Type,X
% m Q. h. o' E+ ]1 u - AND #$0F2 ]6 g9 {' O+ |" N3 @; d( Y
- TAY
; y+ e% D1 O; V& a' ` - LDA Bullet_Speed_Data,Y6 T6 z0 H. L4 I# A" P H
- STA Bullet_X_Speed,X& V5 k8 l* S0 |* X% F
- RTS0 E$ ?; ~4 i4 u/ t
- L3_2:
" H' i& n6 f' e" i) f% |9 \ - STA Data_buffer3 D; P' V1 v T% `9 y1 k: B
- LDA #$00
: J5 H% I, T. H% m" } - STA Data_buffer# w2 f) R$ t5 ~1 e5 ~3 M# e
- LSR" G- t3 ^+ s6 l1 \) ?$ o+ j5 d+ b
- STA Bullet_X_Speed,X
- F( R2 y* i- p/ H. R - RTS, B0 q( I+ U5 O7 Y
- 1 E9 `2 F1 J& r2 ]( _6 l" N
- Track_Enemy_X_Greater: ;子弹X > 敌人X; h: `- w& |- ^ |. k
- CMP #$04
' T0 ?' f' U8 N8 F! i. { - BCS L4_1
8 j; m; z0 |! B( `5 w& { - CMP #$02# c3 r! N( j3 {' i
- BCS L4_2
$ a F2 \3 f. y1 {4 x" |8 I1 V9 p' r" v$ k - LDA #$00
& }- D4 N* C v2 l$ a" }4 V - STA Bullet_X_Speed,X) l& j; n4 t- u! z
- RTS
3 }- G1 l/ I2 W+ A& @ B$ z -
5 C: d# J+ i+ {. ^9 s- B7 r, J! W+ K - L4_1:
8 E# t/ v. e) U5 s1 T - LDA Bullet_Type,X
6 N8 Z$ \1 y9 W W8 [ - AND #$0F$ K# P+ B X; Q, a
- TAY
# ]9 i4 }0 u A) x+ r5 g - LDA #$00
7 n! R! e: M* R$ A, l& j; N9 Y6 ~ - SBC Bullet_Speed_Data,Y9 b1 G7 }5 K" p. ~# y2 E( @
- STA Bullet_X_Speed,X/ f+ k% g" q. A
- RTS
" L3 f W' A1 e3 { - L4_2: 3 H9 z! R$ E. k
- LSR A6 q9 o1 N2 o6 G2 a
- STA Data_buffer
+ ~5 E; `. L# A5 c/ a4 y4 d+ t1 j - LDA #$00' H T! N% {( {5 E! m
- SBC Data_buffer
/ h& {6 p5 ^2 F9 | - STA Bullet_X_Speed,X
- z1 x' L& Q9 H* \+ S - RTS) _5 T$ ?/ D1 z
-
" Q* K/ J9 ]9 j$ V) {3 B0 M# c# ~8 ` - Track_Enemy_X_Equal: ;子弹X == 敌人X
& G- ~+ X: r# N& |( \; ^ - LDA #$002 \7 C' x6 ?* w7 S' a
- STA Bullet_X_Speed,X
1 q# `8 q( h( g( [ - RTS- j( [; D% V( g. J' V
-
& L w2 Z2 L0 O9 F4 i C8 F - Bullet_Speed_Data:
/ S+ Q( P$ o" o& u0 B - .DB $00,$03,$03,$02,$03,$03
: y( s/ z8 j! g1 H' j -
f0 o& X& @5 \: y - ;2, 4关# U$ _7 k6 U/ {4 T, Z
- Track_Enemy_Ex:4 A) R, X) N4 s% }# E; {
- LDX #$0F
4 K3 B* P1 j& I9 P! o - Track_Enemy_Ex_Begin:+ \8 l \8 R; A2 t( \7 K
0 O" t3 W4 G& {4 |8 y- LDA Bullet_State,X
6 P1 l7 J+ I7 r9 f0 X! h - CMP #$01
/ [0 @/ e( N; ^6 e - BNE Track_Enemy_Ex_Continue9 _' Y3 o7 S( _# ]% H3 U
- ) G) e1 M6 ?! g+ b
- LDA Track_Enemy_Index,X
0 }; p1 z, C) p v+ @- r# t - CMP Enemy_Index' W1 U0 T/ \9 c0 ^" r0 l
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标/ h9 B. V# `" b+ f+ H
- % P E, ~/ {& V0 } G( w8 {: P9 L
- LDY Enemy_Index* b" o% j2 e! j) J) a
- JSR Track_Enemy_Ex_X
. p( X d" b# m ~" U -
( ~& q H9 x9 s - Track_Enemy_Ex_Continue:" ?7 l* ?$ c& h) ], u, w
- DEX$ r3 ?: }3 Z+ |* g0 a! z
- BPL Track_Enemy_Ex_Begin: S# s7 P6 o" j q7 y6 J
- Track_Enemy_Ex_End:3 l' w- _- V: p
- RTS
( h* }% h. J( c - |8 ~' N9 v& l8 D. @+ r' c6 ^7 S
- Track_Enemy_Ex_X:" ^/ i$ F3 q$ R. @
- ;LDA Bullet_Z_Pos,X
, T/ W, ^# K2 M3 g- ? - ;CMP #$04) U! p9 G( B4 x- y
- ;BCC Track_Enemy_Ex_X_End1 r0 n4 f$ K, X4 s' G4 k1 y3 [; Y
- SEC
6 U' F; N, Y" B - LDA Bullet_X_Pos,X
% S. Q: a; F; l - SBC Enemy_X_Pos,Y: ~: i# t' T1 t8 K9 j! [% q' Z
- BCS Track_Enemy_Ex_X_Greater
y) Y' j9 ?8 R+ ?) j - 5 E+ d" R: }6 i2 K" M
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
; G& ^4 B5 M0 m8 M$ r# J6 U - CMP #$FD
+ W3 V; L+ c0 o- h; D' s - BCS Track_Enemy_Ex_X_Less_End [* U; E2 M6 D+ {
- LDA $6020,X8 p1 y' z6 v# J
- CMP #$2A5 a* v; g2 k1 a: X
- BEQ Track_Enemy_Ex_X_Less_L1! t9 q! E6 d: O2 a7 M& A2 k
- LDA Bullet_Z_Pos,X1 {2 V0 T! S, X; ]' {/ W7 b8 c
- LSR
0 K8 d5 ^! X j! X - TAY
D. C7 L4 l( J - LDA Bullet_Speed_Data_Ex_R,Y
; ^! h7 ?$ V# a( l, B0 k - STA Bullet_X_Speed,X
1 g% y; v" F6 r, w - RTS7 N" l- V) i2 q- O* _
- Track_Enemy_Ex_X_Less_L1:
6 G- V9 Z; L0 w9 J& X+ y) U
: s6 z M/ v% u$ w A3 p: d- LDA Bullet_Z_Pos,X) d9 p0 c- M# b
- LSR
- o E3 L/ Z+ z* t - LSR; z8 X( A1 }+ H/ {
- TAY
% f0 I6 g; m* N - LDA Bullet_Speed_Data_Ex,Y* @. j% q3 r4 I- T; F+ H& X
- STA Bullet_X_Speed,X
5 B3 O7 Y G/ P& @2 n; F, T - RTS
! O2 t/ \" j2 v' p8 R3 S a6 I - $ p0 x5 F0 K/ h! K8 O0 E- D
- Track_Enemy_Ex_X_Less_End:
3 P1 u8 p: B1 w) | - RTS5 m# j* s$ A, j! b F* `
- 6 T' s' k* t% Q
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X* K/ O: Z$ {, b! O" I7 u$ M) A
- CMP #$036 d- ^4 J4 t- c( Y O+ @" r. i- B+ v
- BCC Track_Enemy_Ex_X_End+ X% f, @" g1 u# N, w3 c
- LDA $6020,X/ F. |! j, H/ X) u) W
- CMP #$2A* z' [% Z$ z k; r; E5 ?
- BEQ Track_Enemy_Ex_X_Greater_L1
% k: W3 `5 E1 ]" o6 S" b% m - LDA Bullet_Z_Pos,X
- ^9 k9 L, X+ [ ]$ B: _ - LSR0 P; g6 X# @6 u# r$ k+ C
- TAY, j! D# Z2 w8 b/ v+ J" U2 Z
- LDA #$00
+ x) K9 W5 N# X1 H8 j - SEC6 }# Q( M' R2 _0 g, B2 J# v
- SBC Bullet_Speed_Data_Ex_R,Y2 S- _: u+ l& o' N
- STA Bullet_X_Speed,X
' U B$ w! c( k1 A7 d2 D( l - RTS
5 j9 @9 D3 m; l -
8 N% a4 c7 f K2 |3 C# P! w - Track_Enemy_Ex_X_Greater_L14 z: i" z# H f0 |6 W) Q
- LDA Bullet_Z_Pos,X
- J2 r, J% N/ X& ^- l - LSR
- P: [6 n1 ~2 H1 h7 I - LSR! W' q$ [$ @; D
- TAY8 l9 W' {* Z3 K( K. F
- LDA #$007 M1 q- z3 \ r* S5 a
- SEC
2 N' r; G, H. t# u3 _ - SBC Bullet_Speed_Data_Ex,Y3 I' m, v0 o" C1 }' R+ h
- STA Bullet_X_Speed,X9 i1 d( @/ ]! x. h9 V8 n5 d
- RTS
$ Q' H4 A3 h! b1 s# S - 7 ]3 R, n( e3 E# ~- |1 \% @. A) T
- Track_Enemy_Ex_X_End:
( m- K9 i$ |8 K8 N2 I - RTS
/ @3 M3 @" M, M, i- \ - ) y# p4 u/ d7 w* w
- ;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)
' D2 _) L6 ^; Z1 z; W+ k# q0 |/ X3 D - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上/ s( F+ d8 ]; [
- Bullet_Tract_Direction:
2 [0 M- U! W1 j( S/ N) B - LDA Bullet_Icon,X: s ?, O; _, ~ A5 e
- CMP #$23
* N' o: l! d9 e' s( j' n - BCC Bullet_Tract_Direction_End* C$ h$ t# {( b g- q9 N
- ) Y r( S& S: d4 ]+ t
- ; X != 0
7 v6 l6 ?+ o O; L: B4 l - LDA Bullet_X_Speed,X
; G* @2 \/ l3 a e3 J6 _6 m - BEQ Bullet_Direction_V
( a/ A# I" q, T0 T* g1 x/ c, f+ O -
! g. Q6 C- x( _& I& {! ~ - LDA Bullet_Y_Speed,X0 o4 o; h- O4 i/ A5 `
- BEQ Bullet_Direction_H
! N" o9 `, g+ d" h+ O6 X' E+ e - + F2 e9 v/ M2 z. f9 v* u* q
- LDA Bullet_X_Speed,X' A) t+ g3 N# N! S
- BPL Bullet_Tract_Direction_Right4 t% ?% L) x) R5 \% z% u
- Bullet_Tract_Direction_Left:! f3 {: Z$ A8 ?
- LDA Bullet_Y_Speed,X: v9 W: x5 J C3 J! w! M
- BMI Bullet_Direction_Left_Top
9 i, h& {" w e8 Q3 T - BPL Bullet_Direction_Left_Down& O. ]5 `- {: {; z) Z$ }
- Bullet_Tract_Direction_Right:2 _$ W ~( _+ ]/ x9 K5 x
- LDA Bullet_Y_Speed,X
. s% s, J$ |" ~/ v& [0 S# k" P - BMI Bullet_Direction_Right_Top3 g" o7 f1 i' h1 H! d: S5 g
- BPL Bullet_Direction_Right_Down" N! N! n( \4 `& a; G: t8 O8 Y
- Bullet_Tract_Direction_End:# ~% E/ r. {, F9 W5 ]
- RTS* [' |8 N, i9 h- G& m7 s1 A
- * ~& m1 ]$ _4 O0 b
- Bullet_Direction_Left_Top:" d" Z. L9 \1 t
- LDA #$25
/ A( U/ c- @" K$ x/ H - STA Bullet_Icon,X0 H1 B3 [0 @4 Z: l, c) @
- LDA #$C0# q* N; f" z: t& K1 x t
- STA Bullet_Direction,X
/ Z$ S1 K' N& V7 f# m - RTS/ I }" h9 Z n- p
( o" w2 U9 q8 \) z! F! \- P' E4 G- Bullet_Direction_Left_Down:# B/ `+ e/ X* p: G( X5 N0 X
- LDA #$25
: p5 O; K' U! f) P4 e; ^: l4 p4 S) l - STA Bullet_Icon,X
# Q P/ n# f ~" L" d; } - LDA #$40
3 [# l3 Q% x2 Z Z; v5 y3 x& t - STA Bullet_Direction,X
# y+ q/ T4 P2 }7 M" O! w+ O - RTS7 {; l( w- s* N6 A5 V
- / V2 L& u, u+ T9 F7 w. a& i
- Bullet_Direction_Right_Top:
0 w+ F3 [, O! }, P - LDA #$25
; u& k6 V1 L$ F8 d/ u - STA Bullet_Icon,X) C$ q* C& \* h- Q% ?( F; H5 Y2 {+ s( ^
- LDA #$80
7 s2 }! O* [, V' B) n' D2 A - STA Bullet_Direction,X
8 G5 K& |0 G4 N$ k - RTS
9 B/ J' \2 _9 k4 q/ ]6 X" A
# ~( `1 R; S+ e- Bullet_Direction_Right_Down:
- \( v2 a1 b. z- b - LDA #$25 |' C9 l" {4 @# Q" X1 J) v
- STA Bullet_Icon,X
0 X: m0 W. D$ j& d) y: \ - LDA #$00
4 r8 V1 _$ s( A - STA Bullet_Direction,X7 {8 C7 C6 d) o0 f
- RTS
9 E Y1 i d ^$ D. p, b6 S: N5 K - . K0 J, h) p+ l; u1 d. m+ |
- Bullet_Direction_H:
8 Q7 t/ E& y4 P9 a! { - LDA #$24
( V, Z! }8 E' S. v. ]0 B# s - STA Bullet_Icon,X% w3 q' U5 N; p) |1 U4 m# m" ]) X2 d1 S
- LDA #$00
. }5 g; b2 m, \8 N& a - STA Bullet_Direction,X) \9 r7 B' ]* P& r' P
- RTS) e6 n7 P1 D5 b: {. w: h3 j
: f5 `& F; m9 k' D) r7 ]6 S" B) j$ _4 K- Bullet_Direction_V:
" c/ w5 x7 `3 x& N - LDA #$237 l5 f( N* E `. r. T1 `- Z
- STA Bullet_Icon,X- ?4 k( G, e+ N9 j9 z
- LDA #$00
& Q0 V5 A) ]7 a& u6 D i - STA Bullet_Direction,X
) C; T8 X5 ~/ Z# a% r2 x8 g - RTS
% ?4 r6 N0 I; O8 L. t, d J/ u
@. |. S! i6 Q2 d" ?- Bullet_Speed_Data_Ex:
8 \' f4 V0 k7 ` - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
. i, ~5 m* {" N" n -
X8 M" f1 ]9 j0 H9 _6 X ^; N7 e - Bullet_Speed_Data_Ex_R:
9 d! _' A. S _) |0 ]4 F - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08! ^( c) r% I8 R( Z! X) k. v
-
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