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[FC][魂斗罗][J][追踪弹]# V" t/ D' J3 v0 a6 H
# F g' a; d; G: N; ]时间:2023.04.304 |2 L T& V, ^% A7 c1 U. S
作者:FlameCyclone' h- X9 j; D9 z) l
内容:, i( k3 P: S2 B& S' w
1. 所有子弹追踪敌人! c9 u. g0 G- v5 ~% p; c* A- \8 C
2. 选择键切换武器9 X0 g3 o. S( x9 d# w
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' Y8 S, O# G! P( g0 p
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L+ B& y5 E6 E) c
- 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)
# @6 ?( X- D4 n4 Y( m2 Z1 X - 8 C: z. Y. @2 h4 E! D1 r
- ;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)
7 U4 Q }0 G0 G6 s P - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上8 T m9 Z, }% S4 P# z0 V
- & ~+ l9 f4 F& \6 J' V; h0 n
- Track_Enemy_Index = $6000: p: {4 a6 I% Z: m) f/ N: P
- Enemy_Index_Begin = $6010/ K6 Y# ^$ O! P4 n" v J7 R
- Enemy_Index_End = $6011
9 O- f$ r% a8 Y9 @, e8 Y: Q - 7 s6 \, o7 G( S* C6 a* }
- Loop_Index_I = $6012
8 S# O. w I4 p7 z - Loop_Index_J = $6013
5 \( X8 c7 s: v$ Y4 M2 h1 p6 }) v - nEnemyIndex = $6014
# y" k& ~$ ^7 a+ q( t, z. _1 o' y1 B - Data_buffer = $6015
- E1 `5 Q! s% c- i$ ?2 `0 K
6 a# P/ @/ X' `) |9 c- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
1 Q5 o2 j5 P3 L: q. I/ | x - Bullet_X_Pos = $03C8 ;子弹水平坐标
: R$ |( g4 C: j7 E; m$ B - Bullet_Y_Speed = $03F8 ;子弹垂直速度
1 `- H. i: s) r) B5 `% X/ i. ?: c - Bullet_X_Speed = $0408 ;子弹水平速度
; P1 ]; ^. e5 J0 R - Bullet_Z_Pos = $0418 ;子弹Z坐标; `4 p% A& h5 n
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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- 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/ u; w3 R9 }/ E2 D# v8 @5 T
- Enemy_Blood = $0598 ;敌人血量' U3 i- F) Q8 A/ d& }, g2 {
- Enemy_Type_Addr = $0528 ;敌人类型2 a9 L0 D; i- X
- Enemy_Blood_Addr = $0578 ;敌人血量
$ `( X& `: N/ v9 e' Z - Enemy_Y_Pos = $0324 ;敌人垂直坐标$ m' Q. r8 U7 g/ d. }
- Enemy_X_Pos = $033E ;敌人水平坐标
" [% U! P: N2 B: X- E0 o; }5 V - Enemy_Y_Speed = $04E8 ;敌人垂直速度
# P# `/ Q9 J5 y+ O - 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
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6 D- B+ M) ]) {* h- V4 V- Enemy_Index = $83 ;. b. `: t8 Z, K' d3 O
- Time_Count = $1A0 B( K6 e. C, B+ Z. ]* H4 y" E0 `
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, w( v* }- m- y/ K4 y0 j4 a - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- .ORG $6100
( A$ m4 |( N! p1 J - Process_Begin:
2 L, B+ S6 s, q5 _ x" b - JSR Enemy_Check
2 n: g; U1 F! p7 j, l - JSR Track_Enemy_Check' f5 g8 F* i0 g' ?9 x
- Process_End:
) b+ k" \; N! D - JMP $E54F
6 O7 Q# x; d2 r7 }: R+ }1 S% b7 d - 9 X- ]' _7 s$ n. K, b, s9 {
- Enemy_Check:" c9 Z' r$ w/ m R& i! g" i
- LDA Time_Count
+ ^8 J6 ^! E6 r7 I' h/ A# S3 c z% J - AND #Track_Bullet_Speed
4 A" v* w) a( g - CMP #Track_Bullet_Speed( ]% g& ^( [+ Y
- BNE Enemy_Check_End: g2 G5 @% l3 |' U" [$ Z4 ~0 D
- LDX #$0F
% _( W! W- O8 d* B - Enemy_Check_Begin:3 R4 H7 u' h( J/ M- C6 x! L( ^
- LDA Enemy_State,X1 L* z2 G) t; u+ b m* `
- BEQ Enemy_Check_Continue7 r5 X- v2 F" h y% L
- STX Enemy_Index2 w8 X# Z! ], g* N
- JSR Find_Begin_Enemy
; G) w8 b5 o+ G4 I7 [& \ - JSR Find_End_Enemy4 e+ b$ F& R; |; b9 K- G, I- f. J9 r
- JSR Bullet_Track( i, E3 X# G. o; j5 C
- 0 w J7 x( F" _* `% r
- LDX Enemy_Index
0 v7 k5 c* s; m7 [9 W - Enemy_Check_Continue:
# D/ ?2 j2 q( @ - DEX' M7 ]3 j5 a H" a' f) Y1 N
- BPL Enemy_Check_Begin
: m4 E! {5 `+ I1 p5 `7 ~1 i - Enemy_Check_End:. M* k( w# m, u H0 A
- RTS
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- Track_Enemy_Check:
- v* E* {" e, v! ~- T - LDA Time_Count
$ g% g0 F0 X8 N B! u+ I - AND #Track_Enemy_Speed
1 Y9 a) {& z8 G$ j - CMP #Track_Enemy_Speed. X% L1 P4 m1 d) J: \
- BNE Track_Enemy_Check_End
( y# I# ~9 \; w% S; X p3 n - LDX #$0F9 d0 A6 X" e9 h2 M: n$ q& W8 m0 S
- Track_Enemy_Check_Begin:1 \6 l6 R; M7 H/ R
- LDA Enemy_State,X
+ u! g4 ?5 @! I6 a2 V" e! [! P - BEQ Track_Enemy_Check_Continue
" Z( `% |5 E. Y( T- X% `2 d' M - STX Enemy_Index
5 R0 c. u, U$ m - v. e8 J/ b3 K* W l) i
- LDA $408 J% w+ ]7 p, V; b0 Y W4 C7 I
- LSR
4 t* A! w4 p; Y8 ~" |3 h6 }. k - BCC Track_Enemy_Check_Begin_L15 m8 G" p+ o6 Z' ?. S
-
4 ^+ I4 Q" @- v; w1 g" c- F - JSR Track_Enemy_Ex ;2, 4
2 k: j& l( i, m+ P; P& H- g. M. Z - LDA #$00; K, _* z/ M7 z, l- J
- BEQ Track_Enemy_Check_Begin_L20 V2 y! @( U+ q/ j3 B5 D' c: y
- 9 B& k0 ^( [0 _
- Track_Enemy_Check_Begin_L1: u# [ o! u2 c- J$ L: `) F: E
- 1 O; Z$ u1 q1 ]0 C5 j5 }
- JSR Track_Enemy. F1 }* m% `& [/ _) o
- 5 ?8 q% d4 F9 a& s0 k& J/ Z
- Track_Enemy_Check_Begin_L2:
2 X+ S! L% l, A+ F* u - $ N6 v- w/ a n4 n
- LDX Enemy_Index
8 ^' \7 K5 A3 v, M - Track_Enemy_Check_Continue:) r- j& c. D6 n2 w& C2 [
- DEX7 N7 v8 c" x' S0 n' G
- BPL Track_Enemy_Check_Begin) ?# Z) K$ x) l% z* L6 f8 M
- Track_Enemy_Check_End:) r; @* ?& b) j
- RTS
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- ;查找第一个敌人& r& w* O/ ~" g4 q; i. G: N: G1 F
- Find_Begin_Enemy:' G& i( Q0 m( l
- LDX #$00# t& n% L0 B9 u
- Find_Begin_Enemy_Check:
1 K3 I6 F* H2 G; u U! N6 a2 B - LDA Enemy_State,X& e3 ]. N3 z' e E4 \+ _
- BEQ Find_Begin_Enemy_Check_Continue9 I, U9 E- d9 r
- LDA Enemy_Blood,X
7 g. ~$ i, ]6 O+ ? - BMI Find_Begin_Enemy_Check_Continue
; F0 a# Q1 \. h/ a6 j5 `- `) ? - BNE Find_Begin_Enemy_End
4 }# J2 [8 J. h; H -
! G* Y2 E3 E8 v' ?5 Z5 M' w6 e - Find_Begin_Enemy_Check_Continue:7 e! m% N+ N1 s* `; k1 ~) N2 y
- INX" {* F; p% g \ \' [- e
- CPX #$10
+ g% V) g' a2 Y' e - BCC Find_Begin_Enemy_Check
4 s% @6 F) ]$ N8 m1 L - Find_Begin_Enemy_End:
. G3 I S% Z, i( b% S - STX Enemy_Index_Begin- M0 C5 V6 C" @ n. B! b
- RTS
$ o) @) s- r4 y- S* e
9 A$ e6 O; b; n ?- ;查找最后一个敌人
$ o9 U/ N3 M0 E" ^. } p - Find_End_Enemy:- Z; y+ Y; E0 X9 Z
- LDX #$0F$ l' n; }4 W* a' J; d
- Find_End_Enemy_Check:+ K9 F. S w7 g- u/ |6 N
- LDA Enemy_State,X/ m, i# \- r/ `. j5 A( D: W: ^: I+ }
- BEQ Find_End_Enemy_Check_Continue
& d2 S7 w6 s8 l, T ` - LDA Enemy_Blood,X. V2 j$ z# n; Y. F
- BMI Find_End_Enemy_Check_Continue
7 N& V. V) y7 X4 v3 y" |4 p - BNE Find_End_Enemy_End9 Z# C- N% ^ H# \ t1 ^; N' E I
-
$ T5 w% F1 G q3 ~ - Find_End_Enemy_Check_Continue:
* r' ~+ j* S7 w, t2 M3 N - DEX+ F+ R# p+ ?! O# I+ [9 ]
- BPL Find_End_Enemy_Check
: H2 u7 U+ H) ^3 a! _4 R - Find_End_Enemy_End:
4 [3 C# q: k/ }# @" k; N/ X - STX Enemy_Index_End
5 G# K% v8 g! |: k# U4 b. n - RTS
5 d# R/ X: e- t+ t2 h, ^. |1 @ - - I8 C( d& ]7 V0 F
- ;子弹追踪3 L1 V# p3 l+ j, I' H n9 v
- Bullet_Track:
5 Z* n8 M/ H9 x( ~" F! D# E( E - LDA Enemy_Index_Begin
8 M# ~/ S- R/ f5 F' W8 ? - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;: b/ l& f6 W# H0 }1 X' d
- LDX #$00 O% P4 D3 ~- N# e
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)0 n' H6 k- x/ X0 F$ c9 @
- LDA Bullet_State,X1 N6 {/ N" a2 v$ g( S
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;0 S6 A1 V4 o% f5 B1 e% o$ e3 l
- STX Loop_Index_I
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! X) r- V% q. y/ u - JSR Bullet_Track_Enemy+ A# ?$ u7 A6 A
- JSR Bullet_Tract_Direction# Y" f* X9 q$ X1 |; V, A. |
- ( e: ^: [" `# x) z
- ;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 j' ~5 I) g3 q7 D4 } - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;% {8 c( K% o, m' D
- LDA nEnemyIndex6 W. F7 P3 }. ?& x
- CMP Enemy_Index_End" Y* P$ @& g! R" n$ p
- BEQ Bullet_Track_Check_Continue" L* S& X. Q3 k. p
- BCC Bullet_Track_Check_Continue, N; \) w& u. f: z a4 f3 U! W4 j
- LDA Enemy_Index_Begin
7 {4 t" }; g- S! f2 n6 g* L - STA nEnemyIndex
' I$ \$ Z* S! u$ q: h i$ s - % A, O8 ]; X/ z8 h6 z; D5 S& K& n
- Bullet_Track_Check_Continue:1 }1 b' l' _; U, c! i- K
- LDX Loop_Index_I7 ]: \3 Q/ u: X0 l. V e
- Bullet_Track_Check_End:; J# ^& `7 U; f3 f3 _% F
- INX/ U, d* J+ q8 J7 E. L3 c% V
- CPX #$10
; s; X0 n6 {' E - BCC Bullet_Track_Check
_. O' L) a$ j: Z/ w - Bullet_Track_End:' \3 I6 i4 ]+ H {& S
- RTS3 P6 M4 J' R6 V: l
- * n9 j( N# f0 ~1 f' g' [3 p4 S
- ;给敌人分配子弹: z _! C; ]3 l+ q' P
- Bullet_Track_Enemy:* W+ a: ~& g6 A Z
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++); M2 ], e1 \8 X5 s! y
- Bullet_Track_Enemy_Check:
; l: o* v& A- V0 r7 Q/ M - STX Loop_Index_J/ G' G( Y+ Q' ?2 M- O+ O
- w5 @3 s9 x f% r+ r
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
5 I$ o" z8 n: w* i# _; r- ^/ w- _ - LDA Enemy_State,X) H4 {+ g6 `& [) [ g0 I
- BEQ Bullet_Track_Enemy_Check_Continue
! p7 r: T6 ?; R4 U2 q5 C5 X - LDA Enemy_Blood,X6 y& @( R; B9 `3 W, n2 X2 l Y# L
- BMI Bullet_Track_Enemy_Check_Continue
+ y! g; ]/ }" U- ]+ H g - + T+ p$ D( }+ r* ^( ^
- LDX Loop_Index_I& _0 W; D) M' w* Q3 b' a
- LDA Track_Enemy_Index,X/ ?2 t4 o! W/ r* G
- CMP #$FF2 W9 o# J% Y: x
- BEQ Bullet_Track_Enemy_Init
& \1 @2 O/ |. ^0 U: K -
# P3 X! H2 R1 o' h+ b/ X% K - Bullet_Track_Enemy_Init:
# v8 ~4 S& x+ _2 R0 c - LDA Loop_Index_J
9 b9 ~# \7 p! S - STA Track_Enemy_Index,X ;nTrack[i] = j;
- ~; E* {2 e4 H( }- ? - 1 g* F4 R& ]& q$ W& [
- STA nEnemyIndex
0 m+ B7 m% `( S( V - INC nEnemyIndex ;nEnemyIndex = j + 1;" W. _" E6 \% |2 T) ?
- RTS ;break;
3 p( n2 E( _" |. q6 C7 v - . l7 _7 g4 c1 U1 `; ~" V$ V j/ e9 V
- Bullet_Track_Enemy_Check_Continue:6 t# N1 }) w% Q# u0 {+ p2 R9 C& l
- LDX Loop_Index_J
# l* m# i8 Z: k M% S/ [8 f% G - INX ;j++
" r: _' A; s: u& D. W - CPX Enemy_Index_End3 h, j' G! f2 B( M
- BEQ Bullet_Track_Enemy_Check
& N$ \: a- M/ x( Y- n - BCC Bullet_Track_Enemy_Check/ _2 A, s4 W" M! X* ~% X$ y/ g' ~" H4 i
- Bullet_Track_Enemy_End:7 f& q' }: r$ v$ Q4 R; Q, j6 C
- RTS: e+ E4 K) F: r0 z; K7 m2 M
' H; t7 |1 R) E0 D( q" W- Track_Enemy: L5 ?) R- T9 \3 V, a+ ~
- LDX #$0F
2 l1 Y* ?& a" |$ L, |- f# R9 C - Track_Enemy_Begin:
! H( x9 X! ~7 c - LDA Bullet_Icon,X
8 n5 E+ C. h) u& A6 s6 S8 M - BEQ Track_Enemy_Continue
. c" e. l4 T: m4 k/ N2 A3 x* l* ^ - LDA Bullet_State,X
8 O6 x7 E3 }- L- S9 I6 A - CMP #$01
% Z- U( A- z' F$ S0 b - BNE Track_Enemy_Continue
, ^/ T" G# F5 D6 J' q! i - 8 n& a% p" R+ R5 M
- JSR Track_Enemy_Process
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- Track_Enemy_Continue:
: Z% y5 W& @4 P( e: w - DEX. R0 r8 N( k- b' h0 m( g
- BPL Track_Enemy_Begin
: s& S$ J/ n7 q - RTS" s0 S8 v1 ~0 \0 X* D9 [
- 5 k' A3 H8 u8 I; t# Z0 C
- ;普通关卡
( `0 r- v5 b( W' Q$ k% j/ j7 _, n - Track_Enemy_Process:, l( b+ @0 F) |* a6 s1 L: b0 C
- LDA Track_Enemy_Index,X( s6 J. }' B% L7 c- S
- CMP Enemy_Index7 l3 S. _7 K: ^+ A
- BNE Track_Enemy_End7 V8 K4 P, W. |. ~' t- a* o S
- LDY Enemy_Index
4 I" a( }& h8 J1 Y* f/ W, N: R# n - JSR Track_Enemy_Y- L0 l7 ^+ C! \2 U O
- LDY Enemy_Index
5 k5 h, y) }1 d& M# r' y3 ^5 A* @ - JSR Track_Enemy_X
3 G) B6 C9 ~; V) W2 L, `; v- j - Track_Enemy_End:
) T; `! G% P6 u7 @ - RTS7 U4 Z) P, c& R, w! |/ ~% W
-
, [( E4 E- g3 T& w - Track_Enemy_Y:
6 e! p0 Q( G/ n. d - SEC
0 I, E. c, O& V( X Y; _ - LDA Bullet_Y_Pos,X; Z5 a# P( _: w% h1 h. }( X5 X9 {
- SBC Enemy_Y_Pos,Y
1 C/ |" d5 i$ v# M - BEQ Track_Enemy_Y_Equal5 D6 I' n1 @/ n& X0 v$ k
- BCS Track_Enemy_Y_Greater2 Q% ~- C3 M6 n/ n8 u" W) b0 L
-
) _0 U! V" B$ U% ?$ [ - Track_Enemy_Y_Less: ;子弹Y < 敌人Y9 S, i. |) V; Q
- CMP #$FC2 s. e; L9 T. k" d" L- x) K
- BCC L1_12 |* f& ^9 Y( ^5 y8 X, b% D( C
- CMP #$FE
5 a3 \& u# b# f! p - BCC L1_2! I! n& h1 K. M% O: Z
- LDA #$00) r S8 }% g5 u- c" O
- STA Bullet_Y_Speed,X
! H1 k9 r l m; n. c* r - RTS
% ^: w9 G# d* Y3 E. Y; C - L1_1: 6 r' E" U! O1 n$ u' V1 N/ g! B
- LDA Bullet_Type,X
3 _7 {- \ x; w' C' s; m9 [+ Q - AND #$0F
* g9 i8 E% W( P3 }4 ]" b' c p% E r - TAY' @ q( X& z- v, O5 n3 k* L% s
- LDA Bullet_Speed_Data,Y- V: y! P' _- T! N" y H) K
- STA Bullet_Y_Speed,X* N2 r1 }/ P ]& K2 j( P
- RTS
h" E2 c2 }: [, b" @# T - 2 o/ g! D* e) j% N# t
- L1_2: % I$ @) w% ]. J8 m7 G
- STA Data_buffer
9 D" ^7 R, w. \' X" V - LDA #$00) U; t6 @3 q0 W* b
- STA Data_buffer& d: ? ^+ O( O
- LSR& m9 k' x- L1 k) V. x
- STA Bullet_Y_Speed,X0 h2 W" g) s# Y* V! {3 S" d
- RTS
6 L4 n6 p/ W% ]1 O3 b - + P5 o9 E. T' @" \1 U
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
- C. F! V2 _2 \ - CMP #$044 F$ S# S2 I& f a. m
- BCS L2_1
8 ?6 L' [; I; D8 g$ f1 O9 t7 H7 z - CMP #$04
: `- z T7 ]2 c {1 F, g A% J - BCS L2_2- {& e3 B, P8 U1 v: N0 p! O% Z9 y
- LDA #$00
B6 i* M$ h2 [5 Q* M. B" y- `! R - STA Bullet_Y_Speed,X. }: F& D: }2 R j+ A, m1 O
- RTS
6 Y& L8 L% n5 _. P, W# z2 p, t - 9 Q% n1 D/ F' A7 `, I
- L2_1:
3 G0 x, m) `$ F1 z - LDA Bullet_Type,X
8 ^7 [, }/ g8 ~( r0 Y - AND #$0F+ @* u2 W Q: i+ U5 u) i
- TAY' e5 k5 F: X" R& K% N: J
- LDA #$00
% o, {! y% z; }. ]8 O" d( p$ h - SBC Bullet_Speed_Data,Y
7 P9 G# p4 y7 h# `" Y" Q) ] - STA Bullet_Y_Speed,X4 e8 U! }% y, W0 O0 Z) m
- RTS8 ~7 @! N9 M; X" B# o2 c0 x8 M
- ) J. R1 T4 v; v( N
- L2_2:
3 V" L6 |9 X4 z# S9 G, p4 Y - LSR
1 I1 L( V4 o# A5 W3 A; e+ f - STA Data_buffer$ F z0 X: N' @
- LDA #$00
. `( t+ U4 z4 k, v6 _ - SBC Data_buffer
i% m1 x7 p, }. p - STA Bullet_Y_Speed,X7 G/ F J6 D2 V
- RTS0 h+ x$ T0 k2 t
- 9 I+ N W, d: b
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
6 p1 L! H' X& n( } - LDA #$00
* g" ]' k0 f: f a - STA Bullet_Y_Speed,X8 i6 Z$ k6 R9 w" `8 W9 h
- RTS
0 z( M. B, k% N2 \$ s9 q* C: u3 Z - 8 E/ w) Q2 j' o1 e; y
- Track_Enemy_X:
8 A- c6 S! C* }. |' J( Q) K1 J% i# } - SEC) H! Z0 @. v& o, I: n/ C* C- P1 T
- LDA Bullet_X_Pos,X) l, Z8 X# w3 b+ }% A
- SBC Enemy_X_Pos,Y* Q" K) Z' ?% D' S, _) D7 t
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
9 L$ C b1 F1 `* Q - BCS Track_Enemy_X_Greater ;子弹在敌人下方3 _: a, S. Y$ w' ?" s* G
- 8 N2 q7 W1 s, y! s7 v. @* N
- Track_Enemy_X_Less: ;子弹X < 敌人X7 h$ C% U( I+ g" `( l
- CMP #$FC0 K8 F$ o4 k9 Y- U. a
- BCC L3_11 m* k. L0 q, X& I% R" O L1 y: N
- CMP #$FE
3 K |. m' Y5 t0 a - BCC L3_29 x( [7 f/ f+ F4 l0 S
- LDA #$00
Y# m5 Y& P ^ h5 `# K$ Z2 ? - STA Bullet_X_Speed,X" W A$ t$ Z" y) f4 U2 K! Q
- RTS+ @* i( M: Z) l7 ~' M& V
- L3_1:
" e% |' W _, C - LDA Bullet_Type,X( r! [; g4 X2 s# c4 g6 H
- AND #$0F
' b1 [8 B4 m5 e+ z3 C - TAY
! |3 d( U) ]# d7 d# M$ K - LDA Bullet_Speed_Data,Y
; G A; ]( M! ?: S/ @ - STA Bullet_X_Speed,X
4 q2 ^0 F G2 ]) _ - RTS
9 }7 _; G+ H+ y' f; q - L3_2:
& F$ } A* r) u9 W, l2 g - STA Data_buffer
- q) E( V* x, m k" M1 u. S. }7 S1 _ - LDA #$00
$ e ]8 O+ \# r+ ~7 I" [ - STA Data_buffer0 F7 U* V! I8 g! _, f
- LSR
/ P9 o2 d( _! o& b T8 b! u5 `- L - STA Bullet_X_Speed,X3 D1 G/ C$ N1 O+ ?
- RTS
% g, f" l! P' h: F3 ^5 @ -
( L6 @$ b4 l. a+ r - Track_Enemy_X_Greater: ;子弹X > 敌人X
, S+ O3 }- r- J6 ] - CMP #$04
# F1 u x# ~' E# r' }0 B) q - BCS L4_1
0 Y# g( `7 n6 T8 `0 m8 `9 V - CMP #$024 _( N( o! f; @( G, r1 f
- BCS L4_2
$ H$ x' i J; U. O2 h/ @ - LDA #$00
# [3 @+ N. f |, U8 ^; L/ o - STA Bullet_X_Speed,X& F$ v* C0 A! D4 M8 @% g
- RTS
9 Z& S; c6 g- o( } - 9 p, g+ k J$ Y4 C
- L4_1: 9 R7 {$ g! x* l$ k
- LDA Bullet_Type,X& ?! b8 A5 K. Y$ M/ F
- AND #$0F
$ z& O! A; \8 O- h$ Y/ w - TAY
; l. X/ W, ?7 p - LDA #$00
/ k/ c1 j5 Q7 B' H - SBC Bullet_Speed_Data,Y
3 @( W8 W" x) ]3 q6 h - STA Bullet_X_Speed,X5 A, d8 [% x$ J) w" a
- RTS! Z( Y+ A% E" @9 Q1 z
- L4_2:
+ Y2 T$ Y: s- K9 G - LSR
1 L& n1 `: x a- H* ?! V9 }& s - STA Data_buffer$ k& ~, V9 P7 L/ r( d/ P
- LDA #$00
7 O* A, V1 o6 i! O2 T' u - SBC Data_buffer: i/ J; L: w# ]/ _6 G/ a
- STA Bullet_X_Speed,X7 o; _- U" B* j" _+ _4 ]; ~) I
- RTS1 Z$ O: H' ~; g+ Y; X) h7 S
- 6 i1 b V: X* H5 ?
- Track_Enemy_X_Equal: ;子弹X == 敌人X* \) |" V- f$ p+ w2 O1 ^0 f& o
- LDA #$00
; b% F! q& s& x4 f) }& L$ S" ? - STA Bullet_X_Speed,X
7 I2 c4 p# b+ X: V1 T& V0 b# J - RTS
3 r' d) ?3 O! k: k* d0 t% A -
+ S6 k" S1 P, P - Bullet_Speed_Data:7 c1 ]% j- m+ ?8 W7 r
- .DB $00,$03,$03,$02,$03,$03
4 A+ R5 {3 g$ r' v! P - P# `& I% v9 W; v- F2 }
- ;2, 4关# k- T. G/ H! x8 X
- Track_Enemy_Ex:
9 z; ^2 H/ ^9 y* i# Y - LDX #$0F$ Z- z, k1 q$ L- C9 ?6 e( j
- Track_Enemy_Ex_Begin:! V) ]1 m- c1 u* B9 \0 H, Z
- / y( n$ j5 g O2 H, B7 z1 n
- LDA Bullet_State,X
5 T# ^+ j4 ^- s b" j# x - CMP #$01& X: V( s4 a1 T
- BNE Track_Enemy_Ex_Continue
+ u9 `- w, N& s/ J3 h# C7 a - : ^0 Q! @) S( @; q2 V0 f0 b
- LDA Track_Enemy_Index,X
; {/ e+ J" p2 i. i0 ^6 L8 i - CMP Enemy_Index' h* c t4 g6 T$ K4 t
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
) Q5 T" X- J$ G K; G - 3 ]) B( C+ G2 b1 K
- LDY Enemy_Index( R- _5 B- X6 S$ W7 V/ y
- JSR Track_Enemy_Ex_X* x2 I/ l1 ?4 \9 |: @/ ]
-
; _ o5 v h7 i - Track_Enemy_Ex_Continue:1 z' c- d* Y; q( a. h* l, M$ D
- DEX' l5 Q8 y' l' n) t# e* O
- BPL Track_Enemy_Ex_Begin1 i3 q: \' Q0 p" u
- Track_Enemy_Ex_End:
. b3 M) x4 N/ o" {/ l$ U! M, Q( q - RTS
8 y: _! v7 h# g- m; l, ?; N, m& u -
: z( t5 I# n$ u4 E; ~: n - Track_Enemy_Ex_X:. X$ g# q2 A9 }; M }
- ;LDA Bullet_Z_Pos,X
) g6 j0 o$ D7 {+ e. \ - ;CMP #$046 H3 w. Y$ V0 K9 V* W- R
- ;BCC Track_Enemy_Ex_X_End5 K6 \$ y7 E2 M$ n/ B B
- SEC
4 D; T# Y: s* T, Y - LDA Bullet_X_Pos,X
) K/ j7 z% B" c/ v; i0 x: ` - SBC Enemy_X_Pos,Y1 m2 h+ x6 G/ e, b1 }/ o6 d% y; a
- BCS Track_Enemy_Ex_X_Greater
9 H9 `3 }( ~% ^ - * V: c/ D9 @8 m; f
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X1 r4 q" N, h q- D& O4 I$ {
- CMP #$FD
: B! ~) G. c9 h2 {# b+ e w; k5 w5 R - BCS Track_Enemy_Ex_X_Less_End* D X7 X% T9 X t6 I! O
- LDA $6020,X, t$ ?4 i- R. Z7 C2 p
- CMP #$2A3 m+ r3 v( u& S6 B- w7 u
- BEQ Track_Enemy_Ex_X_Less_L1, ^* R& _' Y# k" C3 ^, f& P
- LDA Bullet_Z_Pos,X: g# K3 x7 R) W A5 _# [$ L
- LSR9 L* _' c$ ]" y5 x
- TAY
4 ]0 D" d: t- D' s! T* O - LDA Bullet_Speed_Data_Ex_R,Y+ l* U% j4 t, {* d: a) a% c
- STA Bullet_X_Speed,X
3 u7 x) U8 W. F# M1 y2 e+ x8 P- Z. U - RTS, d! Z7 a) i2 A* H! V9 F
- Track_Enemy_Ex_X_Less_L1:0 b$ l% }0 `/ x6 g7 E
* f9 _4 l5 K4 O( _1 S( }- LDA Bullet_Z_Pos,X4 Y _* k9 E% f, M2 v/ u
- LSR
1 d7 ~- e& V3 C7 g - LSR
& P+ T/ F* L: y6 n0 w) |7 p& O - TAY2 \4 q9 ~( _9 e% t! X
- LDA Bullet_Speed_Data_Ex,Y
& h/ _7 A# q+ O5 W: Q9 r( A - STA Bullet_X_Speed,X: S4 }1 |3 ?; I( ?1 U2 C
- RTS
: v' O; L/ w# ?: P. S4 T -
( m* s) ^. @8 }1 x$ Y8 S9 J - Track_Enemy_Ex_X_Less_End:
6 ^, h& { h: v4 `; G/ q* R - RTS: R5 v5 U a: ]
- 3 U% i6 k; t+ |- o F% w
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X2 h0 U6 {! E2 W" g' G* u
- CMP #$035 _3 A2 f2 p/ E+ N9 x9 p$ B
- BCC Track_Enemy_Ex_X_End
6 S, [4 F4 l ]& I* v& J7 \ - LDA $6020,X9 c9 _/ m3 j. W8 n: s D
- CMP #$2A
5 g3 O; g: b7 Q; R; L; B: G. ` - BEQ Track_Enemy_Ex_X_Greater_L1: d3 S7 W/ z9 A2 } E% Y- D
- LDA Bullet_Z_Pos,X
% G' Y( [5 V# N - LSR
5 h {5 c. |# J( o. G2 G7 i6 C - TAY
p( J; x7 i x! g% F - LDA #$00
, l" [* L' a- J" a+ k W4 D. z+ z - SEC
7 e/ h0 l5 v* ]1 ^ - SBC Bullet_Speed_Data_Ex_R,Y- X; h6 E7 L# q3 h: |: _
- STA Bullet_X_Speed,X
3 m* d- j) d9 ?- F0 `8 Y - RTS- @) `! D5 X" g
- ! H; u3 ^7 l/ P3 A
- Track_Enemy_Ex_X_Greater_L1. A. ]1 q( m! t9 M
- LDA Bullet_Z_Pos,X
; P8 [) D. W) P7 @( }8 C; X9 g3 G% g - LSR
. _' V- K, o* K8 T4 z7 }8 T& _1 y - LSR
: n: D) Q0 s! [: T - TAY' k+ a" W6 o8 b! @+ z1 A
- LDA #$00
- i ^* d' V4 g9 \5 ]! z( K5 l: B - SEC
9 k! @- L$ d& E, i - SBC Bullet_Speed_Data_Ex,Y
6 _" C0 c7 u) t/ a3 ` - STA Bullet_X_Speed,X* s2 c& z8 l2 U" ^$ H/ u3 G- y
- RTS( {$ ]' O# C& x
-
) C5 L9 F7 c9 n5 U+ D+ z+ P - Track_Enemy_Ex_X_End:
0 t8 W% e- \! p - RTS K0 p8 K* Z% N6 C8 o
- - J* h8 d) `* G- i3 L" }
- ;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), j0 X1 l; g# c1 i" p' z( d
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# _; t4 P* k8 k& U" _ - Bullet_Tract_Direction:5 p4 Z6 l2 C" n- j$ U! t
- LDA Bullet_Icon,X/ s/ w& _3 w% J- S( @$ I
- CMP #$23, ~% t) r+ S1 a$ k) }/ }$ C
- BCC Bullet_Tract_Direction_End
% r# ~. k) ^( `/ J" P- V -
4 V: {8 |! |2 _+ Y0 | - ; X != 0
$ z- v3 q+ A; l( W - LDA Bullet_X_Speed,X
8 B; J e/ S( g. \) ]( m: k - BEQ Bullet_Direction_V2 p& [! T [3 v n. y
-
/ d- r/ w4 ?. s - LDA Bullet_Y_Speed,X
; G3 A4 T+ ^/ f - BEQ Bullet_Direction_H E. [7 o) y% n8 t$ ~% H* t
- " i- v e' h1 n
- LDA Bullet_X_Speed,X
8 [) c' R. D# L j% \ \, E+ q6 n - BPL Bullet_Tract_Direction_Right
% Z, H! m+ y) x - Bullet_Tract_Direction_Left:
7 U! c8 y% e% ~% t' W9 @, l& g - LDA Bullet_Y_Speed,X; T" J2 y. ]: U% }# |- I ]/ d
- BMI Bullet_Direction_Left_Top" {2 o6 M/ N+ l4 f6 y# e9 \
- BPL Bullet_Direction_Left_Down
* \6 a4 G. m( D# C) u - Bullet_Tract_Direction_Right:& `) p9 o4 [( E( @1 [5 O
- LDA Bullet_Y_Speed,X) A/ u- s0 t# P
- BMI Bullet_Direction_Right_Top9 ?) I0 ~2 N# r
- BPL Bullet_Direction_Right_Down
* [! ]3 ]) N4 _- q0 Q4 G+ p" e - Bullet_Tract_Direction_End:* }0 v) G! F a* F/ z
- RTS
, d% P! S) s+ _* @ - ; H/ p9 {" _" T$ o" P5 G* ^$ P
- Bullet_Direction_Left_Top:
0 h; X [& Z' u6 ~4 A - LDA #$25, ]8 S1 j; P3 l/ \; J% l
- STA Bullet_Icon,X, R! N8 A; \0 `4 R9 O# X
- LDA #$C0/ _$ G; ^9 g( y
- STA Bullet_Direction,X
% b+ Z8 q6 B$ c" _ - RTS( I, f+ H8 ~& M0 X% K: o# ~( k
+ s' I$ u" F( z. Q& U- Bullet_Direction_Left_Down:' i5 Q* q* r. b7 b7 `/ F7 {* ?
- LDA #$25
* l+ Z, `" T' b& B+ s5 F% Y4 |9 r - STA Bullet_Icon,X
- k0 T- e$ @7 b - LDA #$40$ G( E9 Q% A- c4 d- H. e- @
- STA Bullet_Direction,X
' t. }" j- T U2 x) ]. I - RTS6 U* r6 ~, N) Q( i0 G
g) H/ g7 Q) ]" u- Bullet_Direction_Right_Top:7 g4 t( N) N% U: d4 D8 G
- LDA #$25 t0 I' u) h3 ]- O5 S2 d- }8 b
- STA Bullet_Icon,X: e/ P( J! y8 _3 Q/ z% G# n
- LDA #$80
! z+ F, P2 k4 F7 E! T - STA Bullet_Direction,X) O' h2 q' Y2 A" B% A) `
- RTS
6 h% d8 H3 j3 d - 3 d+ |. F7 H& @4 u4 e
- Bullet_Direction_Right_Down:6 N& T( c. G/ R1 ]; A
- LDA #$25
' h3 }. t( n) C, O. Y3 t - STA Bullet_Icon,X4 V& L! r+ W2 p
- LDA #$009 o% X$ _' ~4 G6 G7 g* | Q7 T2 ?
- STA Bullet_Direction,X8 N6 b, X, {0 k0 {% |. e; }& |
- RTS
( {$ c i; m; C* e
/ g8 U. Z& o; N8 s2 z$ s/ _- Bullet_Direction_H:% q. l/ Q; i: ~0 }
- LDA #$24% G6 a* }2 V; E( n4 Q( @/ e
- STA Bullet_Icon,X
9 X( y- [5 l2 f - LDA #$00
z( {6 \& m7 S1 j2 Q: { - STA Bullet_Direction,X
3 `' U) [; T# _. y6 u - RTS; J; y1 R8 Z# x7 M
- ' R, D1 M: C$ ^+ v6 O' U
- Bullet_Direction_V:4 W: Z8 Q8 ^) k1 N: I, i
- LDA #$23
' L% b" n( }7 g. n2 C# N" B - STA Bullet_Icon,X
5 S& T# z( C( \5 Q9 z- j - LDA #$00
- b Q8 A- E H - STA Bullet_Direction,X
0 W4 h, S% A# P4 d. f - RTS
, ?+ v! O3 \$ V4 d& N
5 T2 p: k3 v9 l$ F, o* s2 W- Bullet_Speed_Data_Ex:9 ^7 K) N7 I0 D% y6 g; Q' N# f
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$044 D' {6 g x# i) A
-
4 d/ @# R. {- {3 B - Bullet_Speed_Data_Ex_R:% m1 S& J% B) C' U+ `9 A
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
, C+ y' a7 t* Y7 J: H -
复制代码
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