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[FC][魂斗罗][J][追踪弹]" D2 ~9 X: L; g
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时间:2023.04.30
7 |" N. v6 N2 N$ {+ W5 _作者:FlameCyclone
5 D+ Y1 `1 F& g$ U7 K内容:: j7 ^) t7 n' N( A
1. 所有子弹追踪敌人, U7 H0 a! [6 g' R
2. 选择键切换武器
2 d& h3 k; c, ^: R( B; B8 G 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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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
( o* d- Y' p# K" a& l8 r+ m - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
- |$ r6 l- r# r" F! u5 h8 G - 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)
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{6 P5 t6 v: Y) J. \; I- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
* y$ w, a: ?9 m1 I% U - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# N4 H' K) @" @7 N! b9 H - , S# w9 ~: ?9 h7 ^/ y& Y
- Track_Enemy_Index = $6000
$ W; u! E" I! C) i9 j! \ - Enemy_Index_Begin = $6010
! u9 s# b+ A0 a; @ u8 E$ U - Enemy_Index_End = $6011
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- Loop_Index_I = $6012* F2 [8 H! q' [2 b6 } h, Y& J* q
- Loop_Index_J = $6013$ v) ?0 K4 n! E# Q5 X
- nEnemyIndex = $6014" y3 i& ^- i2 O/ D
- Data_buffer = $6015+ E) W: U; n# c" G
; G2 |% U+ j! ^8 L- Bullet_Y_Pos = $03B8 ;子弹垂直坐标/ v& E& [) `# T/ K
- Bullet_X_Pos = $03C8 ;子弹水平坐标
; }; e4 ]! j0 @2 ~7 g* D - Bullet_Y_Speed = $03F8 ;子弹垂直速度1 y: i: t# a' P; N
- Bullet_X_Speed = $0408 ;子弹水平速度
( k+ n# P& |* ?0 B7 V9 x& n$ | - Bullet_Z_Pos = $0418 ;子弹Z坐标: \ O; U% i# {8 H! e0 s
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P5 C* q: O# l# Q N$ \
- & Q( b" _, C; T6 M
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸9 B$ y. J5 G# {, u' E2 y$ k
- Enemy_Blood = $0598 ;敌人血量# X3 a: |# r) r0 B
- Enemy_Type_Addr = $0528 ;敌人类型
7 p+ h6 G- W: ~; o7 o" f/ O - Enemy_Blood_Addr = $0578 ;敌人血量% N9 c4 o: O: k1 |0 j
- Enemy_Y_Pos = $0324 ;敌人垂直坐标% J% k4 O5 @& }- a! B% m
- Enemy_X_Pos = $033E ;敌人水平坐标
9 u" Z) { @6 ~8 S/ |4 N - Enemy_Y_Speed = $04E8 ;敌人垂直速度$ Y. o( m) ]. @5 \4 Q
- 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7 {: q3 M/ G5 V
, b# g* }. ]+ I m% S- Enemy_Index = $83 ;5 [6 t& I# S$ b1 g
- Time_Count = $1A
) @- z0 T: E$ V, [# @4 A - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率/ B1 Q; x2 q0 ?/ }9 S
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率2 ]3 H& f' r( Z! h ^1 O
: b3 f7 a1 [1 {- " i* U5 `5 S) r, c* J
- .ORG $6100
! d5 o' Q6 r% a: X2 r2 l' w4 G - Process_Begin:
1 ]9 T, q* e3 N! b, o - JSR Enemy_Check: n/ c: C# @ v" o3 }5 g
- JSR Track_Enemy_Check
- a }6 l ~6 _0 _ - Process_End:% b+ F+ B, P' v, `# j
- JMP $E54F5 @5 `# Y7 B# O" x
- & D! r% s$ P9 |( Q
- Enemy_Check:. O' V/ M( T" N
- LDA Time_Count! B8 n+ D! e6 K
- AND #Track_Bullet_Speed
* L/ |; I8 R0 J& E: ] - CMP #Track_Bullet_Speed
; T2 D: N: B3 _1 t6 V2 L" Q - BNE Enemy_Check_End1 o# G2 g* F% P$ K: ~
- LDX #$0F
" f1 s' b% v& b- m2 M - Enemy_Check_Begin:
7 E6 `) g% P( H; v; i - LDA Enemy_State,X t/ Y. o) @; N5 p+ K9 z) W8 \5 Q
- BEQ Enemy_Check_Continue
1 n; c8 C9 h0 a+ K: k" l - STX Enemy_Index
, ^5 l, h6 y7 z) T T( L4 ^ - JSR Find_Begin_Enemy* O+ k" h5 t m" d$ b8 b/ v, i
- JSR Find_End_Enemy
& L; P0 r y; H' X. m - JSR Bullet_Track
, t* s9 w8 c- D9 w& L - ! ?. o7 F" I+ N2 p1 C: I0 y
- LDX Enemy_Index
* h) g4 o5 e; ]# ] - Enemy_Check_Continue:! L( M8 x- J/ b. [, H2 ~
- DEX
" V7 {3 V" P$ b% ?$ F - BPL Enemy_Check_Begin1 z8 Q, ^4 j" M) D3 s& P( J
- Enemy_Check_End:& h2 e/ l0 C5 u/ ?3 S* T3 n
- RTS0 \1 o& c, z: {! [4 h
-
( y2 |+ C. I+ v* f - Track_Enemy_Check:
; _4 t2 i8 a( a0 s) z! K - LDA Time_Count
' z9 L$ c3 g7 |# n9 H0 v ` - AND #Track_Enemy_Speed X* J1 y5 L( P4 ^# F
- CMP #Track_Enemy_Speed* F5 p$ Z" B) H Q/ A
- BNE Track_Enemy_Check_End
2 o: H$ a1 \! i( q7 w2 J1 S) m - LDX #$0F
h' p3 W5 \( z. i p6 ?8 m - Track_Enemy_Check_Begin:
* u1 Y) k l5 R& M! R# u6 G. g$ ^" Z( c - LDA Enemy_State,X
; S6 R' G* Z! i& T1 K1 v - BEQ Track_Enemy_Check_Continue8 q, n2 S6 `0 Z/ }
- STX Enemy_Index$ E% T, O4 Y5 m. {6 v+ h& Y
-
$ `8 ^" `" ?. I$ Q; F: N& J; m - LDA $40
" l2 S3 K+ X% @8 { - LSR; U9 Q) V+ ]0 i# A2 u! S6 d" w0 r
- BCC Track_Enemy_Check_Begin_L1- P' x) C+ R+ x# i7 I% D
-
1 V+ _6 V+ r: E) [ - JSR Track_Enemy_Ex ;2, 4
& D1 Y8 `& A( M4 { a; p( M' A - LDA #$00# _1 P: I4 F- ~; \7 t
- BEQ Track_Enemy_Check_Begin_L2 ?5 x0 w: n' } _" e) M
- ; H+ _( T Q6 l0 ]! {; [8 D
- Track_Enemy_Check_Begin_L1:
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- JSR Track_Enemy
% y1 N; C, Z* S9 d3 \# e. p
; W( t$ s8 a% |- Track_Enemy_Check_Begin_L2:2 P, q; e: p" F% X# O
- " p! F) P8 n; [- w& h+ x
- LDX Enemy_Index' H$ g; j0 q4 |0 y5 w6 L. w9 N$ K
- Track_Enemy_Check_Continue:: B$ K+ B2 M% I! R/ y
- DEX
$ f; `; P- W$ l* o& T - BPL Track_Enemy_Check_Begin
# G) ^& z( {+ w. p0 _ - Track_Enemy_Check_End:& `. L9 n' K; N8 y g
- RTS& G; O0 G o2 `: j3 U
- L: R3 H: h7 R' B
4 ]) O1 F+ ~7 Z2 i- ;查找第一个敌人
& J5 Z7 l7 B( Q- T3 o' T9 W. D - Find_Begin_Enemy: X" k8 j/ Y- S0 \+ b
- LDX #$00( ]+ C, r+ ?3 b
- Find_Begin_Enemy_Check:
9 p" I! r) E- Y+ }9 G' _+ b7 f - LDA Enemy_State,X* B8 {' Y& l/ w0 B5 z' {" ^
- BEQ Find_Begin_Enemy_Check_Continue
: V% u- Z, s7 m7 s( _' z - LDA Enemy_Blood,X& ]3 ]7 w* q4 u, ~7 Z9 a( [
- BMI Find_Begin_Enemy_Check_Continue
" n0 Q; m$ l: [/ Z$ s L - BNE Find_Begin_Enemy_End
+ [0 O) J' }) o# x; Q -
6 o6 b" X9 M! l5 u- ]/ @8 A - Find_Begin_Enemy_Check_Continue:' Z' s# r$ [& P" Q% _ Q% V
- INX
i- \! v: F+ ]! ]3 L" @ - CPX #$10. ]+ P' F7 f1 x* w5 s4 Z
- BCC Find_Begin_Enemy_Check1 \4 ?' j) B8 v; a4 ~
- Find_Begin_Enemy_End:
1 X. R. O2 ^2 E5 M' @, J$ Y - STX Enemy_Index_Begin0 I' {0 c% N6 c" C1 X. `; m8 T
- RTS$ ~4 w5 K" ?4 O+ T0 o; C
- 1 F! F4 w9 H( V" S6 c
- ;查找最后一个敌人- Q8 {7 e2 I$ }- ^
- Find_End_Enemy:
$ G" @! }7 L6 Q& X" i- m - LDX #$0F/ }) y6 ~, O, ^8 b" D! k# v
- Find_End_Enemy_Check:
1 Q- `: B4 c& ^3 j+ G- f5 T - LDA Enemy_State,X
$ z: s( z4 [8 E l% ^& t - BEQ Find_End_Enemy_Check_Continue
3 g+ R# C" b* S5 k5 l: D+ k - LDA Enemy_Blood,X
% z3 K1 |/ i" ?; O' Q - BMI Find_End_Enemy_Check_Continue: v" t" e+ W0 M/ D: V) H
- BNE Find_End_Enemy_End% ?5 v2 C y+ e5 k' Q! X2 Q5 z, S
- 0 j/ i2 B3 j+ I3 S8 y" _. y
- Find_End_Enemy_Check_Continue:3 G) K- c. A! O9 F4 y4 o0 }
- DEX
+ d: y/ H* P/ N' A4 X - BPL Find_End_Enemy_Check* i( Q& y& n3 G, |) C3 M
- Find_End_Enemy_End:
+ f& M1 W0 E2 W1 S# f* q3 _ - STX Enemy_Index_End! c0 u- b$ [& ]$ F* }
- RTS
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- ;子弹追踪9 S s$ R; S- \6 w6 e
- Bullet_Track:$ s I4 M- @7 I+ o
- LDA Enemy_Index_Begin* y/ s% Q" h( B$ ^+ }9 O) L4 ]2 l
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
% @* X* \9 T8 n6 x/ B0 e - LDX #$00
* t/ {6 A( u: z# W3 g - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
; l! {& p+ m6 L* j+ F - LDA Bullet_State,X
5 w6 l! }& S0 [% Y% h* X - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
% ~3 t; b# y7 x; E - STX Loop_Index_I
; B( b8 Z0 x( E5 M& q -
+ W$ t' P! T# i2 ? - JSR Bullet_Track_Enemy
/ J4 C/ j; R/ u" u& D4 {& R - JSR Bullet_Tract_Direction
8 c% G% T* r" ? -
$ o! I! u; V* \3 w& N/ u - ;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# F V+ d0 Q/ X+ ` Z5 B
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
7 p5 J. y2 e) W9 T5 L - LDA nEnemyIndex9 ^' Y( T) k, B& ~$ i9 }" x% l! z
- CMP Enemy_Index_End) n1 p; z4 K2 T# M) ]0 u& i
- BEQ Bullet_Track_Check_Continue8 [$ p% A! _, l
- BCC Bullet_Track_Check_Continue
- Q y* _* I9 _ f - LDA Enemy_Index_Begin! E# l; h7 I# e% ]
- STA nEnemyIndex
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- Bullet_Track_Check_Continue:
- j$ c! i" U1 f - LDX Loop_Index_I' a( p; h) g) U' Z* P# l; v
- Bullet_Track_Check_End:
* P" W4 b- V3 o* O( x1 U" _$ O - INX
- ]! P. ^$ @: B - CPX #$10; W! P/ }# J+ T) W) u# z
- BCC Bullet_Track_Check
% I# V1 x1 [( C% v9 [! Y' V - Bullet_Track_End:
, y9 f3 \; H `1 t r - RTS9 z+ J) x" X8 c# l- X& K3 \
-
: J/ a* ~3 {$ [0 u9 f7 s8 }* j - ;给敌人分配子弹
6 o$ R( W2 y/ j9 T$ u1 F H - Bullet_Track_Enemy:+ v$ X& `! G* W* R4 }6 z5 @( b8 W
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)- c/ h. u1 R2 v/ x
- Bullet_Track_Enemy_Check:' ^5 p! P2 x* D" d \
- STX Loop_Index_J; U8 n; S- ?$ i# s q7 u
-
0 u' W9 D; M1 t( `6 i- t2 K, U - ;if (0 != nEnemy[j] && -1 == nTrack[i]). m2 x: j, H# k7 E" w. P
- LDA Enemy_State,X
5 T7 x! |8 V2 t! G) A. q - BEQ Bullet_Track_Enemy_Check_Continue0 Q4 A/ [) s5 [+ Y, P6 Z
- LDA Enemy_Blood,X% T6 X8 t4 I3 C: \5 Y8 k4 U9 u
- BMI Bullet_Track_Enemy_Check_Continue$ \8 g/ W: ^5 A/ C8 X& X1 E
- 3 K0 X$ I a& Y M; ~$ {
- LDX Loop_Index_I1 m; z& z" B! ]% c3 X" a0 @6 \
- LDA Track_Enemy_Index,X% y$ C* n6 i/ @' O6 C \& C
- CMP #$FF9 e. b: W/ u+ K. h4 ~) s; O: i
- BEQ Bullet_Track_Enemy_Init, x( y! g( f+ a* h- T9 c2 {
-
9 N/ h" e( u: u. \& W - Bullet_Track_Enemy_Init:1 k4 }9 ?, ^: Y: d, e; r$ u2 g
- LDA Loop_Index_J3 U" w. k0 R4 A2 Z3 R" L( J8 ~
- STA Track_Enemy_Index,X ;nTrack[i] = j;7 y7 ~5 G8 ^# l1 q
-
+ h$ s. a( ]9 j - STA nEnemyIndex0 \5 o8 j6 ~; }) E/ y
- INC nEnemyIndex ;nEnemyIndex = j + 1;2 u* s0 e1 S1 m" m+ `+ N& q
- RTS ;break;) E% L" o4 [) c
- 7 x8 q( \5 N$ j
- Bullet_Track_Enemy_Check_Continue:
8 [" M# a; }! M1 W+ P$ N - LDX Loop_Index_J: l7 s0 u$ ?! J# l8 Q6 ]
- INX ;j++3 [( N4 \# \1 y$ ^. `
- CPX Enemy_Index_End6 M6 S0 z' L2 h8 H
- BEQ Bullet_Track_Enemy_Check# T7 a2 F& y/ c1 O
- BCC Bullet_Track_Enemy_Check
# J; h6 z/ U* W! Y e! w6 v2 x' E - Bullet_Track_Enemy_End:
9 D% H& Z: i+ @7 o" x6 h3 A - RTS1 N5 [3 z6 {2 d* |" ]
- ' _2 o" A4 J+ a7 S7 E
- Track_Enemy:$ H2 q( f! K2 ?( D# V
- LDX #$0F
. \8 j% d3 ^" y) b - Track_Enemy_Begin:$ \- W: H! d* S
- LDA Bullet_Icon,X
# [6 _8 I% c; i, W - BEQ Track_Enemy_Continue
$ D5 F9 y: [6 S L1 p$ Y - LDA Bullet_State,X" [, `7 C [% [/ q6 x: y( p
- CMP #$01( w6 P J) |$ `0 c
- BNE Track_Enemy_Continue
7 L6 l5 Z. n* i9 a9 K6 u - 4 w& c+ Q3 n3 l0 x/ Z
- JSR Track_Enemy_Process* F6 \! H; K' B
- 5 R: k9 Y) U4 y! E" y
- Track_Enemy_Continue:. U; u0 _3 }& U4 H/ ?+ ^
- DEX3 H& I9 n( X/ I! m
- BPL Track_Enemy_Begin
3 N! o) [7 L7 }9 X% k% Y" g - RTS
' O7 W' g$ x4 N/ X9 b+ m
1 l1 ^8 ?. `$ J" U: c- ;普通关卡
+ U3 Y* o+ N0 j# p& W/ } - Track_Enemy_Process:0 j: _) O) S9 |- R- s
- LDA Track_Enemy_Index,X7 c5 H' y# {! \" k
- CMP Enemy_Index
# B9 K1 D: M5 [; V - BNE Track_Enemy_End
& u- `2 a4 ^$ g4 R- @" o5 p3 r - LDY Enemy_Index
9 r" y C: Q! y - JSR Track_Enemy_Y& v( _1 b h* r' h
- LDY Enemy_Index
! y- D+ ?$ H8 _# l: } - JSR Track_Enemy_X
$ ]: d7 R+ u/ V: [9 ~2 P) d - Track_Enemy_End:
$ w3 Z4 k" O; a A' \/ @ - RTS
$ L2 A7 _+ U: }) O) C -
d2 Z7 n( g! q: W - Track_Enemy_Y:/ Y, ?- x8 U- q' p0 r# r
- SEC
- E8 G5 _8 s4 u0 F - LDA Bullet_Y_Pos,X0 L7 v- R! u1 x8 T) Q6 w: q( X
- SBC Enemy_Y_Pos,Y
5 b8 G, j' |$ M0 t( V. f4 ^ - BEQ Track_Enemy_Y_Equal' p3 m) J' I f/ v& i
- BCS Track_Enemy_Y_Greater
+ J& B9 |4 ?! d" p - $ i$ D8 q9 ` U+ N- u) F4 X+ @$ P% A
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
1 i+ s& ~9 g( m c - CMP #$FC9 g, w4 `5 b3 ^' X# ?
- BCC L1_1
0 y' p5 l) `2 B2 {$ P% q+ _ - CMP #$FE2 p. j; |7 U, j2 c' f
- BCC L1_2$ E/ Z+ ~6 |! T4 m+ H
- LDA #$00
( h, q0 f7 _5 z, M% _1 V - STA Bullet_Y_Speed,X
3 [+ l3 d4 K8 T- h& c% Z5 { - RTS
0 V: a- Z* ^9 o - L1_1: 2 G* n1 u6 g3 o5 a- Q# P
- LDA Bullet_Type,X; }; T" \8 c7 X! V p" w
- AND #$0F6 O2 K2 v4 n4 K, C" ^
- TAY; D7 ]: a, c0 O# H
- LDA Bullet_Speed_Data,Y
1 x8 A2 L, B, t u" ~6 r- { - STA Bullet_Y_Speed,X: _9 [* C! |; h8 ^
- RTS" z8 W3 j# C. X/ ?# D
5 P( ^: c$ v5 j- L1_2:
$ ]6 p$ }" x& K9 n, ?* { - STA Data_buffer6 L, r" u6 f7 q o4 W
- LDA #$00/ b& }2 G8 v) a* X9 Z" {, L3 X
- STA Data_buffer
5 Y5 \4 n! o, W - LSR7 w( z8 L; c* P' e9 K' Z1 G$ `
- STA Bullet_Y_Speed,X
4 _# w. F/ `) x4 s - RTS; h& F% a v6 _" Y9 Y
- + g! @- g/ o! f% a7 D
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y- g" l8 h ?- \1 g" V2 |6 Q
- CMP #$04
6 C, _& ]6 x9 C+ v - BCS L2_1
6 r9 H9 Q5 H1 Z; Q3 _' [" P. y* w - CMP #$04* {, z7 G0 W" P2 v9 t
- BCS L2_2 n- [1 q6 k1 o- r: \
- LDA #$00% v7 M( s: q& ^' m, i' \# ^ f
- STA Bullet_Y_Speed,X2 l" l4 q6 C- D. n( ]& |% G
- RTS$ [# m& K+ r1 i0 l: \7 [; W
- 0 q5 m4 t0 x* c$ G
- L2_1:' y: M( M3 j, }/ `0 n
- LDA Bullet_Type,X3 F5 ~8 G1 |/ Y3 M4 z; o
- AND #$0F: i" K+ @. w9 m# _) g$ M7 v5 D
- TAY S3 d2 x) r/ f- m
- LDA #$00
5 L8 O, C+ g+ l- Q8 G! s0 l! l - SBC Bullet_Speed_Data,Y$ m$ k* |9 X- ?/ r( a# x* A8 ~( T! m
- STA Bullet_Y_Speed,X
$ v- Q7 n% j) {, W" W7 p - RTS
1 w) o- C1 s c7 \3 N -
% ~$ I! C; t0 j' I - L2_2:
# `8 D% H \9 M& [: J3 t - LSR
1 @$ X F; T9 w: H/ \ - STA Data_buffer0 e: d9 V* Y8 N& m) E4 }
- LDA #$004 @! T" _0 W/ _+ P# x
- SBC Data_buffer
/ [9 L( D0 q# G - STA Bullet_Y_Speed,X
/ e3 ]" L7 A% r8 x. z0 I% B" y - RTS- w7 }9 \- f: Z3 x0 r" x: S
- 4 m! J R7 H5 ?1 K0 u. X
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y8 `$ z3 r4 v: m* {7 s! Y
- LDA #$00. r" t: q/ c* u& u
- STA Bullet_Y_Speed,X# J/ V) S2 b' a6 e
- RTS$ n, f; D/ \1 N* S- l% @" M
- ; r- ]+ |% L4 \5 [& d3 h( m- w
- Track_Enemy_X:7 B4 G2 W* L! Y4 k, h5 X. B* Q L
- SEC) y8 I$ e: v% j! Y9 V
- LDA Bullet_X_Pos,X
( A! A$ {9 g" l2 ~, w - SBC Enemy_X_Pos,Y
: k; w8 q2 T! q3 ?+ B$ B0 b* k - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
, m+ L" \& |2 k4 o* Y1 G) V - BCS Track_Enemy_X_Greater ;子弹在敌人下方
4 b* X& ]8 c- w6 e& Q% N" a" V, A9 r - & o. h' \% ]4 M0 H
- Track_Enemy_X_Less: ;子弹X < 敌人X" [/ V- i2 j" s
- CMP #$FC
* T) I) z5 V" p( X# t7 ~ - BCC L3_1
/ q8 L7 Y) ]: W, J - CMP #$FE
' ]+ p! D2 E5 p - BCC L3_2 I- V5 x9 j, f8 q/ t
- LDA #$00& d* q$ ?. p1 |% h' k
- STA Bullet_X_Speed,X
{; U% p6 z( v1 E1 C6 y6 m - RTS- U6 Y: f% |: s! ?% e5 J9 r4 O5 f
- L3_1: 7 `) e) I2 L v6 @8 M
- LDA Bullet_Type,X0 |7 l t! s2 |& ]+ Q3 Y
- AND #$0F U* }3 t& L+ q
- TAY
1 ]" o' l& Z W$ J# C2 U% b3 `5 y - LDA Bullet_Speed_Data,Y
$ s+ F7 g$ @' t0 g - STA Bullet_X_Speed,X F8 l6 L) `9 I" _; Z5 l# J A7 T
- RTS
( \! d, i5 A" S" l; e5 q - L3_2:
; A' f5 \7 S# c% U/ t - STA Data_buffer d! W- f6 m; t, d% ^) a
- LDA #$00% b8 s! i! }' ~) Z( E
- STA Data_buffer" Z5 Z: H- r+ g
- LSR
. n( k7 ^/ S1 |- P: J - STA Bullet_X_Speed,X7 a' ^$ }5 Y' { V# v4 o% B- M g
- RTS! v2 b# l0 h" ` A1 J
- # B8 O! |# P* ?1 }5 S5 A
- Track_Enemy_X_Greater: ;子弹X > 敌人X! ~) j/ c* v2 r9 v# `2 f0 W
- CMP #$04
; U: m! w- {) p; Y - BCS L4_19 s9 B8 t+ d7 X' m" e- X- \
- CMP #$020 t G3 q" q# ]3 ` `0 {7 y
- BCS L4_2
6 l! B7 ?7 @) p& f - LDA #$00
" @& m( B9 K* L9 n# j6 \: g# c - STA Bullet_X_Speed,X
J: K# ^4 \! Z/ o - RTS
4 u( g( \1 x) [1 w# ^5 Q. L - , s- |2 i: Z) B
- L4_1:
. r! t5 O" Y4 A; t8 {) L0 s - LDA Bullet_Type,X
6 x8 s u& A# m& S" [ - AND #$0F) c. q- f, v; [$ ]* ]
- TAY
4 l3 r- V. i' \( N8 ~. z3 { - LDA #$003 d/ g( t: g- s. B, @
- SBC Bullet_Speed_Data,Y3 S) W7 }" P( S0 Y, Z! z, |& V
- STA Bullet_X_Speed,X
* _! s' }/ x9 n M - RTS. Y! N+ |5 X+ G. p% D! c2 O
- L4_2:
, J* w M6 A: c0 r1 U - LSR7 B- w3 C( v/ Z* x' S
- STA Data_buffer! }" L" c& J+ ?" d' E
- LDA #$00
& @7 u* H6 c. [7 q7 O, a+ [ - SBC Data_buffer
8 r9 K& |9 g, [ x( Q - STA Bullet_X_Speed,X
$ Q7 ]4 I, g% Q( v8 K1 k# q - RTS; {+ H3 c6 q; C" V* K
- , v6 q2 t/ ^ \9 A$ R m
- Track_Enemy_X_Equal: ;子弹X == 敌人X8 l3 g7 b( G1 X( ~# a' g
- LDA #$00
7 N" r$ U8 q; K. q - STA Bullet_X_Speed,X
! Y8 L3 q9 `5 ^) h+ ^( f0 ?1 s - RTS3 Q1 D( A/ r* z8 h5 _. Y) b0 K
-
1 x6 o# f* _8 u4 x* S - Bullet_Speed_Data: K. g( B+ Q+ M+ p; ]- c& Z4 N3 b9 ^- r
- .DB $00,$03,$03,$02,$03,$03
6 d9 J1 g" `9 B- c9 |2 } -
, l6 N3 h. e. s0 Q' h: ` - ;2, 4关" V! Z% {7 h- t G
- Track_Enemy_Ex:5 c: o3 A. V) G& J2 o% v
- LDX #$0F) s4 \$ [' ^: \) h2 a: N
- Track_Enemy_Ex_Begin:$ r% h4 _$ @; m( \& q. o
- & A5 f3 c& ^7 M2 v# ~
- LDA Bullet_State,X
+ N& r& f0 e) ]* N - CMP #$01
4 L2 T m5 f) h8 w2 I" W - BNE Track_Enemy_Ex_Continue
7 B# \: ^: t0 A! c0 E6 m -
0 A7 u9 U, R" S+ c/ b - LDA Track_Enemy_Index,X0 @" t: x$ b4 V) M
- CMP Enemy_Index
4 F3 K: n$ _: O7 Y( f* U - BNE Track_Enemy_Ex_Continue ;匹配追踪目标8 \4 G$ L6 }# w# A1 Z
- 6 P3 Z5 }& l0 t; z
- LDY Enemy_Index5 e! `' c' D/ F. O+ h* Y9 l8 G4 {
- JSR Track_Enemy_Ex_X9 I. A; K. K7 H3 ^
-
6 z2 ~) P& d/ M" r, Q Z( D2 ? - Track_Enemy_Ex_Continue:
% b) n# G/ ?% F3 J1 e - DEX9 a/ k0 O, } ` ?: ~. W: b
- BPL Track_Enemy_Ex_Begin4 _+ _, f+ s' _( S
- Track_Enemy_Ex_End:
% y1 l" J1 [9 ~+ W/ ^% d5 i% Y - RTS6 j4 W7 t/ h3 }6 |5 F
- 0 K7 G8 i! U* r8 X
- Track_Enemy_Ex_X:8 I# a) F: b& u/ X% k" Z. \" z
- ;LDA Bullet_Z_Pos,X5 t. K" S- ~4 n
- ;CMP #$04
( q9 u5 W$ Z2 U( q# G( E9 X - ;BCC Track_Enemy_Ex_X_End4 M7 p2 M1 W2 @- C
- SEC6 U7 v! V, N' q, H4 g! X, \
- LDA Bullet_X_Pos,X
: Y7 d. R' V+ R - SBC Enemy_X_Pos,Y
6 g3 u0 e/ L: n+ y - BCS Track_Enemy_Ex_X_Greater4 z. A3 y- X) R c
-
, q$ |8 ?( H2 V9 G7 ~# W - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X% C5 M w9 q1 I, j- s. C
- CMP #$FD
! K. z/ V9 e! R& r' T1 y- _: [ - BCS Track_Enemy_Ex_X_Less_End
7 r$ |9 y' H2 V - LDA $6020,X
. C1 b( a8 Y7 b8 j' H' I2 x; z - CMP #$2A
( M, L" ]# a! @4 V$ L$ X% x# S- d0 p - BEQ Track_Enemy_Ex_X_Less_L1
) j b0 b6 b8 ^% p9 Z - LDA Bullet_Z_Pos,X
. j4 q8 S* |& H - LSR* @- c- U- \: y: V
- TAY
- v* y; M4 c* d) L: `( Y$ U9 W2 s' O - LDA Bullet_Speed_Data_Ex_R,Y
+ C7 a S6 I" P& E) z: _$ e$ o3 _ - STA Bullet_X_Speed,X
5 G8 {, n2 z& |# Q - RTS* F9 W$ Q: l- e$ W
- Track_Enemy_Ex_X_Less_L1:
" \( m8 ]7 n+ u$ ~- O' S* L1 { - ! O% |! ^3 g: Y3 @2 u; c5 j3 }
- LDA Bullet_Z_Pos,X
1 j$ U" b- y8 M; Q5 g! e' t$ l/ Q - LSR
- e* ]& ^$ W! I Y$ C - LSR
4 Z, j" P8 O% s& A4 H) s- F1 G0 V3 f - TAY
. j' x; `! _/ r0 N - LDA Bullet_Speed_Data_Ex,Y
+ d8 y9 m1 \. h( Z0 i, S - STA Bullet_X_Speed,X
; c4 }0 [ f1 Q' K - RTS
# F- u$ d. j2 F. ~2 k - ( P' D) ]) @8 Z7 k% l- J
- Track_Enemy_Ex_X_Less_End:$ k3 D: t: M" z+ I
- RTS0 N+ ~! d4 p8 l- h! v6 k
- $ j; @* ?: P7 M* }- Z
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X$ s" Q* ], S6 k" {( \/ G
- CMP #$03
* b, ^( ^3 R6 t, G/ ]0 S - BCC Track_Enemy_Ex_X_End; E/ @/ U5 q, P$ c) Z- g
- LDA $6020,X
' K# E1 c% H% C) G8 @ - CMP #$2A
q% A2 Y: ?' d5 |) Y( X - BEQ Track_Enemy_Ex_X_Greater_L1
; }/ F6 p" F P v/ t ~! Q. c - LDA Bullet_Z_Pos,X
) Q U4 w, p: a( I! B - LSR) `2 S) k3 m% w3 s5 z& v5 U3 t
- TAY
3 p% M, ], V( j8 T5 m - LDA #$00
9 [9 t! A) v4 D2 U9 P$ B - SEC
1 C' h& J1 c& C1 t7 O, w - SBC Bullet_Speed_Data_Ex_R,Y9 u4 J! ]0 Y* I \$ h
- STA Bullet_X_Speed,X9 J7 J3 j' q( {
- RTS
5 r4 n+ g E$ w" K; V/ L$ O7 g - . R0 d+ C. x7 y8 d, H1 t# k' {8 x& E
- Track_Enemy_Ex_X_Greater_L1
i2 _2 W$ F# q4 X T - LDA Bullet_Z_Pos,X
' W' o8 x3 X3 @, W - LSR5 [2 g) C" v0 X+ W7 u n
- LSR
- q# Z# x* p* O D9 D - TAY$ s8 U9 u( A4 ]% \
- LDA #$00# F( t3 O' c3 b
- SEC
3 y1 f9 l' T2 w9 ^# S1 I - SBC Bullet_Speed_Data_Ex,Y
! Z$ M) n/ v( K4 Z - STA Bullet_X_Speed,X" F; e- I) M/ o+ T: ^6 ?1 P3 P
- RTS7 N, ~% ]4 Q- e
- * ?1 r6 u- C; t8 N& f+ J/ X
- Track_Enemy_Ex_X_End:, [! f% e; Y+ Z; L, D' R
- RTS
: R1 F2 Z/ ?/ B* s3 i4 r6 }4 {( [# k -
0 i: `" F3 `5 `/ s - ;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)" H4 K% t+ Q8 k3 R y, b
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上) f$ B$ D8 O& `5 Y! m; _
- Bullet_Tract_Direction:; |: ?) D5 V" B9 ~% B
- LDA Bullet_Icon,X
) p; K/ g3 g% G - CMP #$23
+ s1 h! i. a# C% x: z - BCC Bullet_Tract_Direction_End% s' }1 G& c, l, s7 K- Z. f/ B
-
9 ?- E6 u- Y5 o" a' ?: a3 {6 i$ ^ - ; X != 0
" M! n2 V* _, f - LDA Bullet_X_Speed,X1 x R+ l& S8 L4 ]4 f
- BEQ Bullet_Direction_V
" y5 |- q3 x7 @4 Z9 Z' S - 5 m, Z! y6 K4 o L; p
- LDA Bullet_Y_Speed,X
& V5 E1 N4 s+ {. b* v - BEQ Bullet_Direction_H
5 P2 N9 _; ?* O& k, i* | - 4 k/ `% e" L( U- l& _9 V. @2 ?
- LDA Bullet_X_Speed,X
/ \( e9 _* }* I. D1 S; X - BPL Bullet_Tract_Direction_Right
! l% m8 q8 _+ c0 g& g m; t - Bullet_Tract_Direction_Left:* t4 X: q( d) W" e' p, V
- LDA Bullet_Y_Speed,X1 C0 T2 _( N* N" Z6 v' Y i
- BMI Bullet_Direction_Left_Top
2 P3 ~% A9 t* b+ L+ d$ w - BPL Bullet_Direction_Left_Down% ?* g& P5 M' e7 @
- Bullet_Tract_Direction_Right:1 W9 t6 p) w5 M, t: P
- LDA Bullet_Y_Speed,X
$ Z: u, p+ k5 s- B p - BMI Bullet_Direction_Right_Top
* e4 ~8 W3 i+ {# t - BPL Bullet_Direction_Right_Down* \, ]( E8 g& y/ v. c7 _9 C8 h
- Bullet_Tract_Direction_End:
* |, A2 j5 ~5 Q7 r9 W( u - RTS
4 Y" a6 M( D. y9 Z5 Z6 Y
; z! D% J" H0 l5 E3 T1 p0 m- Bullet_Direction_Left_Top:+ t* l. C1 s6 W" H" N C
- LDA #$25
9 G) V' s/ X! G0 i3 u" _1 { - STA Bullet_Icon,X
) p9 p' b; O h2 e' `, _- f - LDA #$C0) c% o! I( z; f: \( ^. q2 }* E* {6 Q
- STA Bullet_Direction,X
9 l B9 i% Y% _+ x+ W - RTS
* g. b% e- _' J4 O( ~* P1 Q - 2 ?# |. N G2 T+ W' }7 ^$ N& B5 t
- Bullet_Direction_Left_Down:
% }- b# @- r8 T - LDA #$25, e8 `* j) G" G& i* x
- STA Bullet_Icon,X
* h- v0 H& x9 E$ _ D5 l - LDA #$40$ V- B" X2 X: R7 e4 H) \% U
- STA Bullet_Direction,X
* L2 r4 m, ]9 {9 ]% V7 U - RTS
- ^: v9 c6 e7 M
4 J7 ^" F; w' \# Q* [8 Q ]- Bullet_Direction_Right_Top:$ j" b6 v3 n1 U
- LDA #$25
# C; e4 O' x+ k: k - STA Bullet_Icon,X
0 K$ u: P9 x5 r4 V) ]+ \ - LDA #$806 {* M7 N$ V; U e9 X2 F, f
- STA Bullet_Direction,X# o4 i! r1 I: z
- RTS
8 e+ O/ L' ?7 G+ @( e. M. E - 2 p# D4 i% X$ W- t0 W
- Bullet_Direction_Right_Down:- s, o ^$ N4 ]- l- k1 d0 n. @4 _* W
- LDA #$253 L! S) U) J8 C3 V
- STA Bullet_Icon,X/ H' y# h' h1 Y$ b6 T+ L! t2 X! [
- LDA #$00
3 t4 H8 E3 W% Q& @ - STA Bullet_Direction,X, `1 N/ R! t3 H% S3 @9 P
- RTS
) f5 w1 i% \) e( R; O A2 [
, E* B9 X2 Z9 h1 j2 F- Bullet_Direction_H:
, Z$ r9 c8 }, `. I. Z) V- X5 g6 b0 P - LDA #$247 Y" k8 q! p2 j; c8 l3 X' G" E+ ~
- STA Bullet_Icon,X) Q7 n0 ?3 }8 t; _% I8 d1 _* X
- LDA #$007 m+ ]- |* |' x' [ h9 [0 s5 z- c
- STA Bullet_Direction,X
: j, z) w5 c% r( ?1 [6 @2 d - RTS' @8 ?2 V1 B1 ]1 U
: W$ [8 m( d1 s1 o- Bullet_Direction_V:; c/ m0 F- V5 Z3 @6 f
- LDA #$23
% R% ]- k* `# y! p - STA Bullet_Icon,X
% L& t- ]7 \0 L5 K: y, S) Q" X0 V - LDA #$00
, v. V7 w! O! j - STA Bullet_Direction,X
8 f# K0 |1 y1 |) D; B+ m4 G$ S" T - RTS
. g2 ?0 [: }( \; w
4 ^5 H; r7 H! H8 F* {. c6 z- Bullet_Speed_Data_Ex:
2 G" s3 v T; h1 i$ Q - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
+ M" R9 U7 r1 H1 L" e9 Z - 7 i" H( S! p" Q' j( @) f8 @
- Bullet_Speed_Data_Ex_R:
+ H: G' H. L: ~4 G - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
' o5 y3 P" i# o9 |; J -
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$ X1 x* r4 _; g3 d+ r! U4 Z6 F- b |
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