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[FC][魂斗罗][J][追踪弹]7 R& }: E; K( `4 s; [9 x0 ^- I( t
2 M9 ^, U- D! `! c. i" t
时间:2023.04.30
# `* H# ^; r: k) `作者:FlameCyclone. t$ _4 u% D) j* u7 W
内容:4 |5 A3 Z, N4 [' o! ~0 l- `- I
1. 所有子弹追踪敌人0 `! E' z# W2 R0 W
2. 选择键切换武器
: u. k+ q" w9 Y7 m$ h 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
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flamecyclone.ys168.com
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6 i+ ?+ ^& e' Z5 D" V- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁% T# c: u' j0 m* g9 a
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
' r( t( e( S1 t5 F$ d( L - 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 p- w; w4 j% E
, E' z9 E+ r3 W% i* O- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)5 m6 e7 j2 {0 f- `$ H( P: G2 ]
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上& Q6 n! S Z4 }
5 o& n7 N) x, f1 Y: N- Track_Enemy_Index = $6000
) J Y& ]6 p# s$ c! H( c - Enemy_Index_Begin = $60100 z; q7 `6 c1 M+ I2 H
- Enemy_Index_End = $6011
' w$ x2 b8 C6 D: v: |: F8 @" J& z
8 D4 z5 f' r1 ~9 [) Q- Loop_Index_I = $6012
: X3 O2 S; C H' `1 y* Y - Loop_Index_J = $6013
" p, n2 I0 ?* k9 d- D K* \ - nEnemyIndex = $60147 {8 S# ^7 n% `2 t5 T1 e
- Data_buffer = $6015
$ g2 {2 F# U7 G0 r
+ H% I4 u; \8 W) r* {% @: l- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
& A! ~. E( s/ j3 L+ a# j - Bullet_X_Pos = $03C8 ;子弹水平坐标. g: ^3 g, F- X7 ~: p) S
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
) ]3 D/ L- Z k; G- W( w; h* i - Bullet_X_Speed = $0408 ;子弹水平速度
) O2 R' O' {4 J! j' M, a9 V - Bullet_Z_Pos = $0418 ;子弹Z坐标5 F, A3 k: a/ o+ c) J, K
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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1 ]; |2 ?: h5 S2 Q. t3 B2 Q Y' x- 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 ?) }2 \- R7 ]( L( n1 h7 v* ^2 s+ |
- Enemy_Blood = $0598 ;敌人血量* ^. C- N* T0 x& e8 \2 d
- Enemy_Type_Addr = $0528 ;敌人类型
8 s9 Y- L% I+ {8 t7 j8 p1 x - Enemy_Blood_Addr = $0578 ;敌人血量
8 `/ y- J6 j- D6 H. { - Enemy_Y_Pos = $0324 ;敌人垂直坐标( @" _, J! n M0 _$ v
- Enemy_X_Pos = $033E ;敌人水平坐标6 R! e, c0 P& K+ p
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
# ?4 W" C( I. D( z3 [6 z - 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( c8 H5 `+ k/ @- W5 m, S
- : q8 {' p1 R1 Z2 o' V; j/ | R
- Enemy_Index = $83 ;5 S. N3 D3 e; l- t6 Q: R. G8 Z
- Time_Count = $1A7 q/ C% P t. e0 N4 T+ \3 t
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率# J$ I5 h, @+ u4 g7 A
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率# s# m; p- U% g' Z
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- U2 ?8 {# W4 y- .ORG $6100
9 G: y: Y+ M& p3 p/ x2 r5 G+ D3 @ g - Process_Begin:) P- q. f5 f; p0 l
- JSR Enemy_Check
8 i* o# T1 D/ ]/ o& A# _' e - JSR Track_Enemy_Check; M6 i% `. h; t7 ?, R0 z9 P$ n
- Process_End:) _# A+ b( i& Y( P7 Q
- JMP $E54F; d" U- @5 a& X& i M6 e- Y
' @, }3 J+ i% l1 U- Enemy_Check:
; G/ k9 C8 R* }. {3 G+ y+ |: v& T - LDA Time_Count
$ `3 U( z) J" @6 W3 R - AND #Track_Bullet_Speed
- \$ J6 Q, Y- a1 `" ] - CMP #Track_Bullet_Speed' y* w4 p' Q4 D7 V3 Y! I; j
- BNE Enemy_Check_End
/ y/ o& A! {, y& w) y$ g" Q( R0 H - LDX #$0F
( Z+ }2 a( m, z% V, q$ P - Enemy_Check_Begin:
3 S! x/ @# w4 h: k" r$ |+ W - LDA Enemy_State,X; a7 g* G. \6 E6 _! ]! M# i; l/ m
- BEQ Enemy_Check_Continue# O( l, W9 `' ~) k
- STX Enemy_Index7 c' [" U; ]* Y( e+ I
- JSR Find_Begin_Enemy+ \7 M2 a/ ~* O+ D8 n/ S
- JSR Find_End_Enemy
( x4 F5 E- u" K2 j" s - JSR Bullet_Track; H" A& {# T% N3 ~ m8 L
-
8 b( D% z0 n: p% l% h) o - LDX Enemy_Index
4 l0 v' [& w$ g+ q( H' l4 |' N - Enemy_Check_Continue:2 Y- F9 H0 \/ ^) j, o1 Y
- DEX) m& m* H2 k) G e# d
- BPL Enemy_Check_Begin
4 n+ |% \2 @7 N0 { M+ N" a$ u4 h, c - Enemy_Check_End:
: r9 q- Y I/ A- v - RTS
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- Track_Enemy_Check:0 X$ B" }$ \* T' s+ j
- LDA Time_Count
_5 S& f! F- V. i' r - AND #Track_Enemy_Speed( A) Z8 s" j) I4 G x! q
- CMP #Track_Enemy_Speed9 q, U. }3 e) F5 Y: A- S1 Y
- BNE Track_Enemy_Check_End
4 `. P; s( R A# B - LDX #$0F& @6 K9 ?) T6 x& G
- Track_Enemy_Check_Begin:
8 i6 D8 [( `& J; g- K9 _ - LDA Enemy_State,X/ D* z% `( O6 d
- BEQ Track_Enemy_Check_Continue7 Y3 e8 m* `7 y2 F. c1 R }4 [$ p. N
- STX Enemy_Index8 m( r0 S5 ?6 {0 u+ z H
-
2 f, @: d! \* W( b - LDA $40+ ^! z) j9 G' k) U' Y
- LSR! o$ U) I! U' v) p, |- H* h+ w$ u
- BCC Track_Enemy_Check_Begin_L10 f+ u+ N" m! Z; `( K4 H
-
# g2 v; d9 f4 T4 v5 t - JSR Track_Enemy_Ex ;2, 4
* o" p9 j9 y, b z1 M- d9 u4 Q+ a, o - LDA #$00
$ @& v' ]! [# n8 {, @( J - BEQ Track_Enemy_Check_Begin_L2
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- Track_Enemy_Check_Begin_L1:. Q6 T) `6 I9 X7 Z
-
& K5 u' W p* T5 l0 G - JSR Track_Enemy
0 e& P; t- i2 P7 F- G1 R3 _2 a - & H- u3 \6 `9 L7 C: k( Q. T& S
- Track_Enemy_Check_Begin_L2:
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( B2 J; ^( w' l- i$ r - LDX Enemy_Index
0 A( _/ X" d/ f - Track_Enemy_Check_Continue:* `" F6 K- q) k9 V! W1 `: c' W
- DEX7 u! D" T/ g$ t8 x P0 H9 h# T
- BPL Track_Enemy_Check_Begin
@+ W( q- X- S2 w - Track_Enemy_Check_End:" `3 O: \8 @+ ]) S& K M7 B- A
- RTS
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: W1 w% _% f0 |% n* I/ D- ;查找第一个敌人
3 ~* V6 V8 p, F5 e' ?, K - Find_Begin_Enemy: m! H! R# `+ _! p3 [
- LDX #$002 `9 R0 Y- F: j8 H; Z4 P8 _! L% Y
- Find_Begin_Enemy_Check:: e' i7 W! h- [" q" d. e
- LDA Enemy_State,X! Z; A9 ]/ l: o8 O0 x3 h+ J
- BEQ Find_Begin_Enemy_Check_Continue5 q+ b; K! D/ `# `) @+ a, a* y
- LDA Enemy_Blood,X
# k R3 J/ @* F) | - BMI Find_Begin_Enemy_Check_Continue6 p8 R8 M5 A- S8 R( c
- BNE Find_Begin_Enemy_End B/ I# Y+ u( Y& L0 @
- : s- D$ ~; y/ @7 d
- Find_Begin_Enemy_Check_Continue:: @) T6 t$ h4 r. e
- INX5 W* G* p- z i; A: @' a
- CPX #$10
: [4 w7 E( S, |& Y# X. W/ X - BCC Find_Begin_Enemy_Check
* o I/ T$ {8 g7 z" w6 K! s - Find_Begin_Enemy_End:+ n+ `' s$ U! T7 v
- STX Enemy_Index_Begin
! q/ T1 D! U' O0 h6 b) u - RTS
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8 U8 O5 K. l/ d% V- ;查找最后一个敌人
5 k8 i/ w9 l. |. k9 k - Find_End_Enemy:
6 w. b, u+ a' L7 B7 Z - LDX #$0F) O9 S- V9 W# @! h! ^
- Find_End_Enemy_Check:- Q+ r1 R# A) F8 ^! }, g
- LDA Enemy_State,X
- ]/ I. Y. F: k$ f. m; Q L - BEQ Find_End_Enemy_Check_Continue
! c* f2 e# C( l9 b - LDA Enemy_Blood,X
- Y j8 j7 K* [6 T! i. } - BMI Find_End_Enemy_Check_Continue7 n7 g0 R# P W! G
- BNE Find_End_Enemy_End; N/ P" P$ ^& ]- R, i6 C; u
- ( L% F* ~$ G7 q( d
- Find_End_Enemy_Check_Continue:8 t, s# g: X, w N$ `. V
- DEX
& i7 J, m5 n+ F - BPL Find_End_Enemy_Check9 n& C# H# v* p7 F# u7 x+ i
- Find_End_Enemy_End:, ~9 k, H& ?. P
- STX Enemy_Index_End- k9 D2 l% @7 L' ]/ u
- RTS
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- ;子弹追踪
6 S" d- s, ^5 w/ R( A/ u3 E6 { - Bullet_Track:
( V( g) v) k0 T. ?* [6 i( B - LDA Enemy_Index_Begin
8 q1 n" h9 Y% t0 \( Q; X - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;0 Z" V$ ?8 r1 \( Z; F& Y6 q
- LDX #$00 ' h B! L/ [5 T: y
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
) f4 ~& W: }! m - LDA Bullet_State,X
; X5 [. R7 s3 W - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
, R6 P% C) }2 q0 y! F - STX Loop_Index_I3 X) L1 E. u$ Z& [
- # [3 H, K' d+ h( b5 f% Z# a( E g
- JSR Bullet_Track_Enemy+ l* \) H: Q- K: }7 J. Y6 n
- 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7 b! G! a6 A5 i# M" E
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;" |) ^6 m. n0 ~; \2 e6 W) A
- LDA nEnemyIndex9 l+ j- v7 X. Q: b- f2 o
- CMP Enemy_Index_End
2 t; M5 S U& {4 R - BEQ Bullet_Track_Check_Continue
# b' ]; N4 r6 Q" _ - BCC Bullet_Track_Check_Continue/ G6 V0 v/ ?* e+ o9 B! Z
- LDA Enemy_Index_Begin
5 X6 D8 n1 M7 V1 M) @4 @! n9 d - STA nEnemyIndex% i5 `) {% t5 X/ x s
- ) O) g+ d, c0 x" W$ d' g
- Bullet_Track_Check_Continue:
; ~; I) P& K# q9 k" n2 Z: U+ x8 X - LDX Loop_Index_I
" T& V1 s' d7 l; F2 u - Bullet_Track_Check_End:
) J' @; _) {; Q! b3 t - INX4 @) K' I8 {* f; ]
- CPX #$10% K% B7 n5 y2 m' l; i7 ?
- BCC Bullet_Track_Check$ z# d: ~: Z* R
- Bullet_Track_End:
6 y& H( x4 l( }3 [' R3 s - RTS9 h1 {1 e$ j! y! j
- % _* m) R4 A( y6 ?7 n
- ;给敌人分配子弹! U5 m @9 W( O- i& S
- Bullet_Track_Enemy:
- L3 z. J4 r' N3 ] - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)7 R0 J9 O+ Q0 X6 U' y5 U; r
- Bullet_Track_Enemy_Check:" W$ ]! J4 \' v$ Y( |& \! y. U
- STX Loop_Index_J
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Z; p+ c; Z9 F4 j9 ^( t - ;if (0 != nEnemy[j] && -1 == nTrack[i])
1 S4 e- ^: V0 E( F6 [0 O - LDA Enemy_State,X
% n+ Y* a1 C0 u2 w# _* ^, f - BEQ Bullet_Track_Enemy_Check_Continue0 s! l" @- ?: g" M# Z& n3 i6 y
- LDA Enemy_Blood,X
K( n6 S3 j7 Y. {* w& X - BMI Bullet_Track_Enemy_Check_Continue
9 B' N; E F4 a0 T: ~' R0 C- c' c - + K- D# Y, w0 E$ \
- LDX Loop_Index_I4 P' m1 H, ~. U! ~+ p/ {
- LDA Track_Enemy_Index,X
# K4 x* \: S$ R/ _( z% D - CMP #$FF9 {1 I& Q8 x: O+ i( r+ Q# M! z6 O
- BEQ Bullet_Track_Enemy_Init
6 r+ J, D U6 ^8 K3 ^5 } -
9 A. M- m1 u1 I; c - Bullet_Track_Enemy_Init:
" S$ P- `0 g5 P7 O& n0 M: L - LDA Loop_Index_J
2 k2 {6 m4 A3 }: P3 ~5 a0 c - STA Track_Enemy_Index,X ;nTrack[i] = j;* N5 r$ T6 t! [" r
-
7 h. `% [! f7 F+ ^5 N! S - STA nEnemyIndex% f/ D6 E7 P: l! O2 \4 z
- INC nEnemyIndex ;nEnemyIndex = j + 1;
* g! ?/ ?: e1 K" y) j - RTS ;break;
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. q6 @' P, I! \5 L( p5 q" U5 G- Bullet_Track_Enemy_Check_Continue:: Q" N m; O, e9 |* r' a, h& O4 W
- LDX Loop_Index_J, N6 F+ |+ P$ N2 Y$ h
- INX ;j++% Y8 ^1 G' b: W+ Y4 L: ?/ S
- CPX Enemy_Index_End
7 @, M+ g; ~; B7 B! Q - BEQ Bullet_Track_Enemy_Check
4 M: x7 |5 a( e) A3 I/ Z/ q* s - BCC Bullet_Track_Enemy_Check
: p7 n" H6 }( X' d - Bullet_Track_Enemy_End:
3 I _0 q1 b( D, ]/ u& F - RTS% Z+ I/ \+ C* T% Z6 x
- * ?: H5 E1 H+ F' D
- Track_Enemy:* _ w6 x+ ~. \: d8 z. q- ^
- LDX #$0F7 v* ~/ K. X2 k1 E
- Track_Enemy_Begin:( K+ j" Y3 t- Q/ t h# `
- LDA Bullet_Icon,X- ?4 g$ {' G9 L
- BEQ Track_Enemy_Continue0 i& B4 a5 f/ m$ L$ ~! B# v
- LDA Bullet_State,X, } y/ b& ]/ y ]- }0 |& J6 C* c
- CMP #$01( C$ T" c1 v8 t, Z
- BNE Track_Enemy_Continue2 b w3 l8 {# }5 c7 q; I
- 3 V! y. }) M9 Q, F* @+ A( V$ D$ q
- JSR Track_Enemy_Process
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4 Y4 A5 A9 s/ W0 {0 K - Track_Enemy_Continue:8 G Z" B$ v+ R0 G3 L8 P9 G$ b
- DEX) d4 Y \8 ~ J& O
- BPL Track_Enemy_Begin" {& v& G1 i' f; Z: q% e l
- RTS
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- ;普通关卡$ }, m/ b S0 A
- Track_Enemy_Process:
. X; h! i+ I8 h+ k - LDA Track_Enemy_Index,X
: V- ]! ~0 g6 N0 z% A. [% d - CMP Enemy_Index
- R5 k* k4 T. i8 J - BNE Track_Enemy_End
7 e6 E3 l! Q$ a) s$ M - LDY Enemy_Index+ i. f$ C- d: B) _6 t. {$ w
- JSR Track_Enemy_Y
! i0 }4 } m$ z3 ?3 E - LDY Enemy_Index
% z; |; Y8 \) H6 m4 _0 s% q1 } - JSR Track_Enemy_X3 C. t* i; a/ z8 p# Q6 x) B3 K9 K
- Track_Enemy_End:
2 M6 C! }$ T& E2 L! ]8 N+ f2 v - RTS: T/ ]2 H# S% H7 L; Q
-
5 C3 y& N1 h# I' b - Track_Enemy_Y:
0 o/ ~7 ^9 E( y& Y6 y9 s0 c - SEC
2 ~0 f, o" L% L4 d2 ~5 o - LDA Bullet_Y_Pos,X
i1 J$ ?7 |0 ?0 ]5 ]5 e2 _ - SBC Enemy_Y_Pos,Y/ h- h2 ?0 S7 Y* ^
- BEQ Track_Enemy_Y_Equal$ B% E q% H4 P4 j
- BCS Track_Enemy_Y_Greater: h) a0 x9 q7 b5 a0 H# ~ I
-
: u3 R; }, ~& J, e - Track_Enemy_Y_Less: ;子弹Y < 敌人Y: M1 G' j# r% w# r" J. D/ ?
- CMP #$FC
0 b4 _3 Q0 Q2 \8 z+ |5 J2 O \ - BCC L1_1
0 Y* m- q. ^5 Q) F. D - CMP #$FE+ @+ c9 h' C8 A/ O k9 r( _
- BCC L1_2( I% s3 c/ H1 K1 h
- LDA #$00
; Y4 k& h. I5 ? - STA Bullet_Y_Speed,X
. a$ J2 s: p$ ?3 e7 e; Q - RTS
& f+ ^; M7 s" H$ U$ d - L1_1: " m3 ]- p$ A; a4 v: ?" D
- LDA Bullet_Type,X1 z+ x# j0 w8 `, ?+ b0 m. g
- AND #$0F
8 a6 D/ k4 {2 `5 M2 } - TAY% n" j z; e: }/ y, P4 g
- LDA Bullet_Speed_Data,Y0 M$ ]* P, G/ f, |" T Q! u! e
- STA Bullet_Y_Speed,X' ?6 K: k# L- a, _, ]( u
- RTS
& n# q) N6 L5 m& }' I
9 T8 U. u. j& z W' z4 h- L1_2: $ ?+ s% m/ q$ `* W
- STA Data_buffer3 D- G1 J: L( V2 p6 M! y
- LDA #$003 r. T- B: o3 \! O3 z
- STA Data_buffer, `% N* A4 {, p, e) N8 M+ S0 o, n
- LSR6 R& z# }# \8 J) |$ k
- STA Bullet_Y_Speed,X: D$ n' R. h# N5 Y) }0 m: w
- RTS* J0 A$ z t6 U3 n8 Q/ I. q4 j
- 2 F3 D3 H' s8 U% z! j8 _! N. }3 D
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
4 I: I1 K8 F! l$ S" B - CMP #$04
' r$ a3 n% m) | - BCS L2_18 \! y' {- Y( g3 R
- CMP #$04
; {; a; B3 q5 ] - BCS L2_2; L- Q1 Q! _6 B
- LDA #$004 G: ^* n1 d! j ]) Q8 d# L% G& _
- STA Bullet_Y_Speed,X
- b+ r9 i [' |. S4 G - RTS* O z% q( ~9 X9 n
- 6 v' K" `1 N, E
- L2_1:/ b' I1 _7 j' h( m" x5 M+ l2 j! h- |
- LDA Bullet_Type,X( Z/ v/ _, L0 y! C( s
- AND #$0F1 B2 B+ N9 @- L; i. m9 v9 d
- TAY" g6 x. U7 f- [% \2 A
- LDA #$00. `+ e5 q# p" h7 @2 h
- SBC Bullet_Speed_Data,Y
3 n' O2 M- g( p- V8 e& y9 a - STA Bullet_Y_Speed,X
7 A- |4 T: g/ F) D( n6 B - RTS
# K. b1 K9 b6 ?! O1 T2 H& ?2 f6 ] - * I* ~5 j/ k; c8 n1 x! ]+ Y* V
- L2_2:3 |$ J8 C* @+ z/ o# i5 ]
- LSR5 F0 N: j( a( Q" b+ B+ D
- STA Data_buffer3 M7 B9 Y8 c( q: I3 Z
- LDA #$00
, b! s! C" _: s& \- L - SBC Data_buffer7 i+ S1 K0 I8 y. {
- STA Bullet_Y_Speed,X
* b4 J/ l2 ^2 H! c$ I/ G - RTS
$ r* i! a0 D- ~+ d8 c -
1 b8 d6 E q6 F( j% {4 Z% Q1 d4 G - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y" M6 W4 r+ @8 s# U! N' s9 x/ h6 e
- LDA #$00
. B2 D( v1 z/ o1 O- ?: [ - STA Bullet_Y_Speed,X
2 q# a3 {& M; U' U- Y: \" \+ i - RTS
; w5 i( C0 u u- M* I5 p -
t# M! h: @ F+ F8 [ - Track_Enemy_X:
! B7 l# H9 p/ f6 T8 O( [5 u- p! ] I( W - SEC8 L& Y. p/ ]- m2 q4 j1 q9 m; Y
- LDA Bullet_X_Pos,X
2 J( w6 f! f+ c$ W - SBC Enemy_X_Pos,Y
2 _4 Y, I1 N) E5 W - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X- D' T& Z. c% L4 C- b
- BCS Track_Enemy_X_Greater ;子弹在敌人下方( e$ z4 Z4 F/ U$ e1 p9 S9 Q5 f5 }
- $ T: s5 d) V: T$ t4 t j6 y( I2 O
- Track_Enemy_X_Less: ;子弹X < 敌人X$ n+ X& ^" ]' q% X
- CMP #$FC
6 m" P- C/ F: n0 p+ @. D) o1 M - BCC L3_1
7 s* g+ o" Z: Q0 H3 \% O - CMP #$FE
/ Z" R- S5 H( R - BCC L3_2
- o- Z# l( Y6 K! Z/ l. ?2 d - LDA #$000 G* S3 \; G3 I! W E& {% T
- STA Bullet_X_Speed,X
8 B5 _% \; B+ h& b# `3 S8 E - RTS
: J4 X3 r7 ^4 b9 h: o; v - L3_1: # ^! Z2 b/ F8 v" C
- LDA Bullet_Type,X: o7 a* P( H/ `8 L; C
- AND #$0F
7 q- r3 C" n P3 U, P7 ^ - TAY" y$ j; _/ M+ `, K! L( `. |
- LDA Bullet_Speed_Data,Y8 f5 y# ?; P% J9 U: v8 h( Q
- STA Bullet_X_Speed,X
+ n( z( @1 a' e9 ]( ] - RTS5 R- |7 X, U) f/ X0 k& }4 L' n
- L3_2:
& z9 e7 S& [9 C- O; f - STA Data_buffer! G$ S, [1 t( ~1 S4 z1 n; l
- LDA #$00' h2 w: n+ T, d Z
- STA Data_buffer4 ^ s) f- Q2 Q1 H4 o
- LSR
8 A8 m8 p+ S& }( N; i; A6 { - STA Bullet_X_Speed,X5 z* }$ K% K5 `1 |, K0 i
- RTS
; ?0 t% g) d0 k5 \3 b -
4 R* R$ x# ~" V2 z; u4 x" r* t" l" ] - Track_Enemy_X_Greater: ;子弹X > 敌人X/ z3 S: J0 ^4 ]5 {( o/ w! u
- CMP #$04
4 S: c# d1 z. E+ p' E4 X - BCS L4_14 J6 u I! {: x9 \) l
- CMP #$02# G" f. x$ P% `/ W' ?
- BCS L4_2
, X6 _$ N4 F) Z- n - LDA #$005 A+ V6 f- O6 b0 c4 _0 l6 G% }5 E
- STA Bullet_X_Speed,X
$ A5 f+ k; b& z. l' y# M - RTS% s) f' {. R) W: `) V0 b+ r
- 9 P; j( f2 c, ?/ F& \4 g$ o- c ?
- L4_1:
' t# ~5 y' u3 x% @( P+ ] - LDA Bullet_Type,X* L. G5 _+ K2 _0 B( g
- AND #$0F% [9 I3 A# t/ v7 [, B/ ~
- TAY
* o' n8 F1 Q; p$ h - LDA #$00
5 Q. q; @: l& v+ i: k" s0 k - SBC Bullet_Speed_Data,Y
$ N/ t1 i/ H( w) P5 E" W - STA Bullet_X_Speed,X
5 i( [6 _/ [. V# O ?% e2 W# k - RTS
+ f0 y( P2 {! M0 C ^1 g* r( ^- Y T - L4_2: ' l5 E, m+ T" { g; O" }# E
- LSR
$ p5 J9 c; w" u0 Z - STA Data_buffer
1 W2 M V! \" F9 Q2 F+ A - LDA #$00, m) k4 q! B: \6 L4 J: p
- SBC Data_buffer0 r% P. M+ u" ^3 s
- STA Bullet_X_Speed,X
} Y! d& ? g+ N; Q - RTS
! X$ ~4 C* Z( m1 o) v -
5 h! ]" P: B$ C; p6 J+ } - Track_Enemy_X_Equal: ;子弹X == 敌人X
8 Y1 A, j& m, {- j% t' o - LDA #$000 v9 W6 Y* R# u7 J2 Y
- STA Bullet_X_Speed,X
7 h8 w+ j' K/ |6 b) g6 b - RTS3 z) R; ]; [- L4 b( q" j
- & }* V& K! m R. o0 f& q) }
- Bullet_Speed_Data:
3 T* i3 Y" M# k& K1 z4 o, w7 ` - .DB $00,$03,$03,$02,$03,$03: O( L A! E3 d2 r$ f# r% _) u
-
2 P' H: b* ?/ U# Z) V' [ - ;2, 4关
. ^2 J/ U e$ X/ p% J5 u# |; _ - Track_Enemy_Ex:. J1 J6 Y9 W9 m9 s) D
- LDX #$0F1 F! R, p" |; d, l
- Track_Enemy_Ex_Begin:
$ r( @1 Q- b4 q% V& M: i* v - : r, f8 k. y% R& |' l
- LDA Bullet_State,X
& N% T3 q$ Z. g0 O9 S8 E7 ] - CMP #$01
5 Y8 m9 E3 y" C- e1 R7 L/ ^( \3 s+ ^ - BNE Track_Enemy_Ex_Continue
, X- [( i1 _( g J6 G" S -
6 q) k2 b( K8 q0 x$ w1 S* e - LDA Track_Enemy_Index,X! S! n7 x3 y5 A0 g
- CMP Enemy_Index
. b/ {7 S; D5 S( i5 t - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
6 `9 Y P2 \4 w/ H. j - 2 I8 g9 H/ v! q8 ]5 \
- LDY Enemy_Index
5 `6 \% q' ?3 _ V! z& L7 t+ u - JSR Track_Enemy_Ex_X% i; J. G# f6 v/ V% U) u
- 4 `) C5 n8 g1 r0 s/ i# E
- Track_Enemy_Ex_Continue:
. {6 f S$ P# z3 c- ` - DEX. k# [; ?8 E* ~4 r& h+ s
- BPL Track_Enemy_Ex_Begin3 `8 c9 ~$ i0 r4 O, [
- Track_Enemy_Ex_End:
0 R G1 p4 S4 P$ O z; _+ q6 q) I ~ - RTS
' w S, s7 |0 Y0 c -
5 q0 T- m/ Z) J; Q& u' V+ H1 h7 p - Track_Enemy_Ex_X:2 P+ W1 f; V8 x7 C' B+ l' R$ g/ b
- ;LDA Bullet_Z_Pos,X- {, I! W: W2 f: H/ V+ Q9 M
- ;CMP #$04- s% k ?4 [; t) v! P
- ;BCC Track_Enemy_Ex_X_End
3 X9 }' r2 c4 o2 S/ `6 w6 P4 c# p - SEC3 K# J9 i( V+ @
- LDA Bullet_X_Pos,X2 N# g- K: g% Z
- SBC Enemy_X_Pos,Y0 _. g: }) w% E, z
- BCS Track_Enemy_Ex_X_Greater( a1 Z" i8 z6 x2 _. {
- # M) M6 D0 s! }' ]' Y
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
1 V3 g6 x! n; x" v) _ - CMP #$FD
; |2 d7 W" m# F1 L4 f8 f% D& O) t4 X - BCS Track_Enemy_Ex_X_Less_End' E/ G5 A& N. w
- LDA $6020,X- v7 r+ C+ x% f
- CMP #$2A: c/ G, {0 f! Q& Y' N7 f
- BEQ Track_Enemy_Ex_X_Less_L16 T0 K! f& f# O: m% R1 w, s
- LDA Bullet_Z_Pos,X8 y: M$ a* X# R3 w0 e" \0 S
- LSR! \& {- V+ Z Q
- TAY
6 `8 R* L' J+ a - LDA Bullet_Speed_Data_Ex_R,Y# ?) ?- @" X: ~* O2 `
- STA Bullet_X_Speed,X7 g% \$ J( h4 @; ?# f
- RTS
9 x: l9 `4 ?. X4 f$ c! ` - Track_Enemy_Ex_X_Less_L1:. Q* B4 K" v0 s- T
- 7 D0 D. u2 b$ t5 |2 s9 t! Z* o
- LDA Bullet_Z_Pos,X
- j$ K% W6 ~% [* g8 t4 A - LSR
' Y3 }7 I2 C& s3 m7 D2 X& G; D - LSR% l, W+ Q* n$ P4 U7 M
- TAY
; I+ B$ f5 ?5 }* w2 |) Y - LDA Bullet_Speed_Data_Ex,Y
4 t( C) Y5 S. l# ]" n( l* H- N - STA Bullet_X_Speed,X6 M+ n6 f# h8 `0 S. [
- RTS1 H7 ^' S3 J1 S( y3 p6 O, v* b
-
8 ?5 Q7 x! U, M& r% ` I0 Q - Track_Enemy_Ex_X_Less_End:- D2 o3 z6 B! b7 C+ }
- RTS
) I3 L6 v' G$ w/ l) @
5 f1 |" @9 P" j* I/ m# W- k- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X& u* {6 P+ ^) X3 \
- CMP #$03- ^7 s- I8 Z) D
- BCC Track_Enemy_Ex_X_End
1 U3 }6 ~* z1 c) M( O, _ - LDA $6020,X
2 k& g$ l; l8 B7 f( Q! h; K - CMP #$2A
% Q" T4 C2 j* G9 g9 z+ @ - BEQ Track_Enemy_Ex_X_Greater_L16 Y4 K ?" n: D& ~3 [
- LDA Bullet_Z_Pos,X
9 A" L* C9 a/ N9 D+ N$ I' O+ P - LSR
" w5 N; b7 f6 z - TAY
1 m8 y4 G2 M3 Z$ L8 u" O9 N8 m - LDA #$005 L& b( G. o% T6 e# x
- SEC3 [# B5 k4 P/ g) C" f8 O/ u5 u9 f
- SBC Bullet_Speed_Data_Ex_R,Y
4 L( O* C0 |& P& | - STA Bullet_X_Speed,X& [" c- q& h4 ]# o* `
- RTS3 P! f, g# D! L8 X
- - f2 c6 U3 o+ v0 Z6 i& `
- Track_Enemy_Ex_X_Greater_L1: w% Y4 y# p- ^; l+ J& o
- LDA Bullet_Z_Pos,X
. b! d w/ D" @# g0 l, A& r- b - LSR
) @, I2 T2 T; ~2 T5 } - LSR
; ^7 G+ ?8 b# U/ X: [; m! H - TAY
5 x2 T1 z; o2 f: c - LDA #$00! J: l( S+ \+ j+ {8 g
- SEC$ l6 F) H- c% T- J
- SBC Bullet_Speed_Data_Ex,Y$ r' o X2 r- y5 b, a
- STA Bullet_X_Speed,X1 b7 Z4 e7 X Z' R9 Z* _/ q8 C! b
- RTS v! x' G3 t1 n; I+ x
-
$ \* E t4 h) Q: H9 D- T - Track_Enemy_Ex_X_End:
4 u) q% [! q. z6 Z2 m - RTS" Q9 D/ e# i1 ?
-
" R v. @8 S3 D8 D9 D! 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)+ Z# i E* c M; ]/ y
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
8 x5 H) k) P. v' x; c4 E/ y( L - Bullet_Tract_Direction:
1 j/ l' @& `9 q h) J# @1 |6 J3 b - LDA Bullet_Icon,X, M( D& D q0 r* b; D
- CMP #$237 O+ r, T' ]' T9 J3 F1 g7 X
- BCC Bullet_Tract_Direction_End
% k, m) v& O7 b, M- h - - G' }4 V7 S( W& U
- ; X != 0
- D0 O, J$ \+ g# E# z - LDA Bullet_X_Speed,X
/ H2 j; c- ~4 I - BEQ Bullet_Direction_V
' N4 E/ i( @1 M* |0 V* I - / N# m3 u3 u2 {0 l) F: u k/ D' e
- LDA Bullet_Y_Speed,X
% v" [5 I1 m; q, g) o" m5 A - BEQ Bullet_Direction_H
) @# }& y7 P! q$ E+ I -
" |7 P }" ^2 }( h, n - LDA Bullet_X_Speed,X
4 u' n: V- q: C8 Q0 A& Y3 a - BPL Bullet_Tract_Direction_Right
+ U# u& E; X% [& P - Bullet_Tract_Direction_Left:
- l1 C. g0 {* C, g' x& m - LDA Bullet_Y_Speed,X
7 d$ w# f5 i8 n5 H - BMI Bullet_Direction_Left_Top! ^ z- V& h$ e" a! C- R! _; ~# B
- BPL Bullet_Direction_Left_Down7 A# d5 ^6 G6 ?/ L3 B
- Bullet_Tract_Direction_Right:7 j# K( N, R7 F* q3 F, A! L
- LDA Bullet_Y_Speed,X3 `1 X; U' i- B
- BMI Bullet_Direction_Right_Top P) D6 g) j. e# _$ u8 v. C5 t
- BPL Bullet_Direction_Right_Down% c& K+ Q: h, w; A$ x( s y
- Bullet_Tract_Direction_End:
9 X7 k" h9 l$ d3 v - RTS
% K' C; B) {3 {1 C# n - $ ?; X( s+ {! ~4 |. c
- Bullet_Direction_Left_Top:
* I- T2 S1 Y: s7 r3 S3 F, K - LDA #$25; A9 h J$ f8 X8 ?+ c* \( ]- J
- STA Bullet_Icon,X
~, O1 e6 c4 M - LDA #$C0- E8 p1 m- w/ U! M* S/ t
- STA Bullet_Direction,X
8 r7 c, I' U& a6 N. j2 v2 W! e - RTS7 k! s' w d* q: |4 a3 y
- - C/ q0 N9 W/ D; z" x5 X, ~6 ~. c( h
- Bullet_Direction_Left_Down:
$ w. v+ ]) \( c9 G) u% S4 G: X% I. }/ r - LDA #$25
+ X$ n. u% R# T$ v3 T/ e7 _ - STA Bullet_Icon,X
9 s7 `' E- P% }" k" e% R \ - LDA #$40: d$ ?$ T3 U# l; _* I( Z
- STA Bullet_Direction,X( E! N6 B0 r- o
- RTS+ m8 k& i3 m# ? @' l w
- ' h4 s* V2 h, n8 G3 R
- Bullet_Direction_Right_Top:
. a5 K4 Q% a* L( h - LDA #$257 ~/ ~4 e u7 O" B$ M9 `3 e
- STA Bullet_Icon,X
* m& v1 v: h7 G j+ Z - LDA #$80; }! O3 E0 ?8 h8 w v4 q+ G
- STA Bullet_Direction,X: v9 W5 y" Z( f. X) X
- RTS
9 v" N% Q. c- ]) b. I4 v3 Q - + [" N- Z0 d8 {; g- Q
- Bullet_Direction_Right_Down:
0 d1 @ |6 r4 z" c( ]# i, U4 G - LDA #$25& J5 z# z3 ]+ g/ A: I
- STA Bullet_Icon,X+ d% M! U' I. _( S! v# a7 A, o3 j
- LDA #$00
9 T; L( g" Y% k# l' G - STA Bullet_Direction,X
$ v: K7 B! e0 }6 l B- f# _% Q - RTS2 s/ d- v2 r" P% v) U, j, g8 M
: `& D6 o9 j5 _5 }$ O- Bullet_Direction_H:
1 {4 z1 r% o, K% [9 I) M/ z - LDA #$24. [( P2 }5 h8 ?( \) ~) C
- STA Bullet_Icon,X
6 J$ r: V& x1 g0 L4 u( p/ Q v - LDA #$00) B: K% V* i) i4 I- e! v
- STA Bullet_Direction,X5 d5 z5 ^' n5 ~& Y! e
- RTS
/ |2 U3 I, y9 |4 k - 8 h& I z6 E) A4 M4 T* u# a
- Bullet_Direction_V:" M. R1 o5 s% y4 y
- LDA #$23, b7 v1 ]- i. [6 o% {6 Q$ S4 P% U
- STA Bullet_Icon,X4 ?9 |2 L/ x& w$ m3 \$ X
- LDA #$00% l0 `' m6 T& ?2 r
- STA Bullet_Direction,X
( b6 F' Q/ N+ F; v - RTS
4 C1 [- M, v; ^: w5 D1 H0 P( M - 1 Z$ h9 x4 Y; e Q# ]3 ?
- Bullet_Speed_Data_Ex: i Z' z1 T/ v3 [
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
, Z4 l6 \7 Z7 A' I5 m t/ J - 9 m8 i" J* o. v0 ?. K' T
- Bullet_Speed_Data_Ex_R:
3 i7 T4 u0 d% r) Y, k( c/ k - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08- d0 y) t; M. A+ t' U+ M
-
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