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[FC][魂斗罗][J][追踪弹], H* ]! f- g9 O; |( ^4 p/ ]
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时间:2023.04.30
0 g8 s0 E/ B' q% [0 J# d作者:FlameCyclone0 M* M9 q: I( G6 _( n H" R
内容:
* f7 ~, Y0 \3 c5 B1 `, ? 1. 所有子弹追踪敌人/ E3 {7 l- m; H$ h- y7 o' `
2. 选择键切换武器1 M+ ~6 D U1 X: R e8 H! ~. e
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.com9 b* S0 F) k+ E. L5 T' S

. C T; |( \( M4 M. h6 B3 X+ \$ K) p- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
+ D. S: x: n. ], W; ]& W2 D - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L7 V8 @% @- K5 q$ H3 F4 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)% x) P- W2 X# L
7 j6 h7 h2 l5 j5 n" O2 Z! t- ;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), T0 U$ F" p7 F( v$ _; b
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上$ N0 p+ w6 h5 N! U
! y' X5 }1 s$ |/ Y7 f- Track_Enemy_Index = $6000" W- U( }% F5 t C
- Enemy_Index_Begin = $6010
; m$ h# G2 k2 G5 H$ ]8 \* U4 D5 q* H - Enemy_Index_End = $6011
& o- d) j r; ^( i7 d" I+ k
- _8 [; L1 E) M- Loop_Index_I = $6012) M/ \% `% W; p5 V; ]
- Loop_Index_J = $6013
# n9 i @1 c* B/ u - nEnemyIndex = $6014
8 A j Z: U. G6 i% P& z - Data_buffer = $6015% x# f B4 l7 o
- ' ]5 X3 z) ?: M7 F
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
5 B. u0 S0 f) g, I - Bullet_X_Pos = $03C8 ;子弹水平坐标
2 Y# D' D9 b3 ~. e/ F - Bullet_Y_Speed = $03F8 ;子弹垂直速度
: Z2 l2 i1 C' I, ~: V: }" y* O; K0 R - Bullet_X_Speed = $0408 ;子弹水平速度
/ R7 q9 y' v* ~# X0 x- b9 L - Bullet_Z_Pos = $0418 ;子弹Z坐标
' R, r# l# C( d l - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P, C. i) R, a1 @* Z( T
! U6 p8 G3 P' w5 ~9 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
3 W$ |' _( ~# M: o7 N% d - Enemy_Blood = $0598 ;敌人血量
0 f7 x/ _9 { e |3 T - Enemy_Type_Addr = $0528 ;敌人类型
9 O+ T. k7 Y( M* v8 [ - Enemy_Blood_Addr = $0578 ;敌人血量, |( v* Z; q+ x
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
- b" _' T" t" G, x; s# N - Enemy_X_Pos = $033E ;敌人水平坐标
- N& j% U, s9 X& R! r - Enemy_Y_Speed = $04E8 ;敌人垂直速度
8 @9 y+ }7 _5 `9 u* D! e - 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- R( b5 Z7 D6 }0 N- B! j
- & u! z$ T, N2 o5 ?: [
- Enemy_Index = $83 ; p' H4 ^2 ?. D
- Time_Count = $1A
- p8 f$ w) c4 W6 {# L - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
7 }1 d5 b3 B6 k# H" j& f - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率/ \. ]7 Y1 g9 u& g1 S3 t0 }
- 6 {4 a7 e* B3 M: _2 s
' h2 V( G6 C7 _- .ORG $6100, ]% |6 n, B7 F' z9 w$ P3 I
- Process_Begin:5 ]" O2 x# _: ]7 ^
- JSR Enemy_Check
4 d- S0 I( n& _; _! v - JSR Track_Enemy_Check
6 ? K$ W2 W- z6 p5 P( r - Process_End:
- H* E, H7 M- _' ` - JMP $E54F& b+ X- K! @1 Z4 I' h
) W+ R' N7 `/ P8 V- N3 H7 [' F" e- Enemy_Check:8 ?8 [8 j% g$ s5 w: x
- LDA Time_Count& Q: x) d2 u) {; X7 r
- AND #Track_Bullet_Speed
$ z6 U8 p! [: _8 ~ - CMP #Track_Bullet_Speed
. P+ ]: o3 y; k. X V - BNE Enemy_Check_End
5 g0 {1 y9 I6 K( L0 @7 I3 U/ W - LDX #$0F
( t6 G+ {5 d% q - Enemy_Check_Begin:7 V. u9 ^1 k \. d2 @" V
- LDA Enemy_State,X
( \7 d8 V' X, K5 H( @ ? - BEQ Enemy_Check_Continue
$ N6 s" d$ K% M9 a; A; k - STX Enemy_Index
) S. a5 t* c, A. k/ O% X! S; y - JSR Find_Begin_Enemy
5 Y1 ?4 C* u4 U/ z0 V/ W - JSR Find_End_Enemy
5 T$ x9 U) N& X - JSR Bullet_Track
" e! ~; ^$ {: t( D. H z" q0 V - ; H; o8 O9 H- u" O: j
- LDX Enemy_Index
( k, Z r2 G- x& `5 }# t# q1 h - Enemy_Check_Continue:
- p# g* z4 i$ V - DEX
0 l- s, c& c( u; c* A - BPL Enemy_Check_Begin
8 f+ ]9 g2 v1 Z+ X; L - Enemy_Check_End:
& K' }1 W) V. e Y - RTS
1 n, U9 o1 y+ K* d' t - # h+ y$ {9 Y9 V1 x8 G" R
- Track_Enemy_Check:: ?7 _2 s3 O- c1 K, x2 @
- LDA Time_Count# V4 t4 ]4 I) i, n0 q+ S
- AND #Track_Enemy_Speed
# c* J5 q/ o4 q5 ^ X, v - CMP #Track_Enemy_Speed
+ |: U2 Q/ f9 C - BNE Track_Enemy_Check_End5 l9 F2 J9 u: J. Y; C+ D
- LDX #$0F' ]/ [& D: j o8 e2 |
- Track_Enemy_Check_Begin:
) W2 G( I/ m% U2 N9 ]$ X - LDA Enemy_State,X" {( [' u; G' \& B5 B* r( h- j: M
- BEQ Track_Enemy_Check_Continue
; K8 B* o$ |' u5 u. D - STX Enemy_Index
1 v8 _8 i9 ^; Q9 p. K. x5 S -
: ^' E7 L" j2 z7 ?! T - LDA $404 c9 }" Z* v$ Y/ z. D
- LSR" ~& e6 M% \, C0 g$ q6 h+ q# Y
- BCC Track_Enemy_Check_Begin_L11 G+ M9 C* u3 A, D& v0 [- Q% ~( O
- % r/ r7 L% r4 _9 D# i5 c
- JSR Track_Enemy_Ex ;2, 4/ `# J( ~0 I. [+ m
- LDA #$00* b$ v4 h* k- W8 S, O% S4 B
- BEQ Track_Enemy_Check_Begin_L2/ ]: R# u& A, k5 B, h
- 1 t( y+ M: Q* w4 n; ?4 C+ @$ h
- Track_Enemy_Check_Begin_L1:3 j5 F$ D' x1 l
- ) m1 ], _0 M! v) {( k4 z
- JSR Track_Enemy
$ _# f+ w# P4 i' M: c) P$ @
/ [& A% l# M$ O4 J- Track_Enemy_Check_Begin_L2:6 s) }* W# N' ^3 u
- : g8 A" x- E4 h# [5 K
- LDX Enemy_Index
/ h; ~# e2 p: v h( m - Track_Enemy_Check_Continue:0 Y5 B; M: M" R1 X- h. Q) ?
- DEX- Y8 A1 U8 g) t4 b
- BPL Track_Enemy_Check_Begin L- j; D/ Z3 w7 e( A7 i
- Track_Enemy_Check_End:7 j$ i( r7 }4 B$ a6 ? S, g
- RTS9 e4 B1 s6 M) `
- 0 r: h2 ]) c' \8 m7 z+ R6 ] `
- % H/ o( N/ [! y* V
- ;查找第一个敌人
9 h/ `4 ~* H$ N% P! ]/ g* w) m - Find_Begin_Enemy:2 e1 {. |$ b W3 X- s
- LDX #$00$ C" D* Q4 C( D+ `
- Find_Begin_Enemy_Check:
. S: Z7 ]7 P$ G7 H: l0 j - LDA Enemy_State,X% ?1 |+ D2 _( [0 X8 o5 m
- BEQ Find_Begin_Enemy_Check_Continue* p. s5 b/ ~6 F8 e& ?
- LDA Enemy_Blood,X3 H1 Z* G/ t- R* K
- BMI Find_Begin_Enemy_Check_Continue3 o1 x+ p) c u. u; n2 U
- BNE Find_Begin_Enemy_End2 J; |4 y$ z- h+ a
- # z% m9 x$ H- m" b1 k8 }8 S4 `
- Find_Begin_Enemy_Check_Continue:1 T$ U; M q# k( D
- INX
. R, Q& Y% m& s4 S - CPX #$10
- W/ H2 [& U0 F, o$ v - BCC Find_Begin_Enemy_Check
2 a3 Y1 k8 h' k! B0 f+ q; W - Find_Begin_Enemy_End:& \! Z; X: l3 F
- STX Enemy_Index_Begin
. g+ k0 t h/ t7 ? - RTS5 i) o) S9 G4 j& D' B/ w, r
- 2 y( V9 U. Z P, s4 q7 u
- ;查找最后一个敌人
: K6 I* { k+ _" x+ E4 O0 a - Find_End_Enemy:
C' m/ O: R; s' l5 k# }! _# L - LDX #$0F; T, u+ k9 `& c, Y% i' p
- Find_End_Enemy_Check:" [6 }' B9 O- H2 M0 I+ R
- LDA Enemy_State,X$ n/ g) ]& W+ r$ h7 |
- BEQ Find_End_Enemy_Check_Continue) }' w0 `& G* q+ `
- LDA Enemy_Blood,X. p/ l1 {# [; V1 `; G
- BMI Find_End_Enemy_Check_Continue, e( |; H, h; Q& I; E7 Z
- BNE Find_End_Enemy_End3 z" I& _, p2 ^5 N* _ \! n' t
- / S! h/ h! E. `% ]
- Find_End_Enemy_Check_Continue:/ ?' o( b7 q3 X" p7 m; s1 t b
- DEX; O' o. U7 S) S3 o! S {* \
- BPL Find_End_Enemy_Check
5 X: Z% @; ]" W$ K1 c& | - Find_End_Enemy_End:+ M# a" A- s4 j& x
- STX Enemy_Index_End* @: m$ @$ A- A2 g# V' k7 ?* A
- RTS
/ g* T5 {+ }! t3 p* f2 p. e - $ `$ T) ?: |3 j# _8 L
- ;子弹追踪5 `. t) |9 {4 |# _, B
- Bullet_Track:
( z# |3 j; c7 g( H) h6 e - LDA Enemy_Index_Begin, H' I; b5 t8 _+ U: W5 [
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
& x2 S4 I* w6 n, Y2 S; x1 Q - LDX #$00 8 f: M3 s8 n ~/ a& |' k. O6 Y
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
1 [4 K7 S+ E1 e, E" w' z9 u q - LDA Bullet_State,X# V7 ?8 S- `- G% U5 A7 {( x
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;% n/ ]" N8 B6 g. J/ ?1 j9 Z
- STX Loop_Index_I9 {5 g% ~0 p7 ~% a
-
# M; Q; h7 W, t" o2 r2 \ - JSR Bullet_Track_Enemy
$ w. ?; _, z" D2 q - JSR Bullet_Tract_Direction* p3 \. T3 @% i' D" s( ]& D
-
_5 j6 o" ^& w& V - ;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
( f0 j5 F9 ?: h - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
: A9 R+ P- ^4 X( u* j - LDA nEnemyIndex+ V% f$ I. m B: T$ c, Z, c) M2 H
- CMP Enemy_Index_End
0 U' F& @$ V7 K% X* K - BEQ Bullet_Track_Check_Continue+ S. h; l8 X& [' s! F9 _
- BCC Bullet_Track_Check_Continue
" Q. }9 e5 w1 i: M" M- V - LDA Enemy_Index_Begin
& x$ n" z4 a: A6 ] - STA nEnemyIndex1 v6 i6 j k G% c b- ?' B
- " f0 ~+ f( j9 D9 C; r
- Bullet_Track_Check_Continue:
" f3 i! |& \" E! t+ W0 }6 \7 @ - LDX Loop_Index_I
- } y; d; z: Z v - Bullet_Track_Check_End:
) H) d+ F! K# M4 }+ W! h- H8 O - INX$ D% k- I/ H" T
- CPX #$108 X) }+ V5 r* Z: H
- BCC Bullet_Track_Check' ~0 \# Y v" \
- Bullet_Track_End:
0 H, `0 \, e$ O0 b( g( e! e - RTS; f) X( ~0 D- b& O7 D6 z! X) @
-
0 U8 x" B6 Z Y - ;给敌人分配子弹8 N. ~- {/ U, d6 P2 I% C
- Bullet_Track_Enemy:. ]7 A% S; e( t
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
! x% k8 v; [, m/ p# |' X* ` - Bullet_Track_Enemy_Check:
( |7 U( K9 O7 w2 T( g3 b- { - STX Loop_Index_J8 |- G- ^$ V( P/ H5 A7 e
- ) S) Y/ b7 x! P; M9 ^* l
- ;if (0 != nEnemy[j] && -1 == nTrack[i])( B5 [! R5 V/ F
- LDA Enemy_State,X
9 Q9 b3 t1 j2 f - BEQ Bullet_Track_Enemy_Check_Continue4 E6 ?) I- d( @7 M4 R: _
- LDA Enemy_Blood,X
* f C+ i. A1 Z2 R, i3 Y) ? - BMI Bullet_Track_Enemy_Check_Continue: C- H& j, ~) q" d! n
- ! S( `/ T5 ] r7 C5 t) e1 |
- LDX Loop_Index_I8 A% t7 h+ G4 @% o
- LDA Track_Enemy_Index,X
3 X6 V- X9 D$ ]# j7 b3 x - CMP #$FF# X/ [ r/ S/ J% _
- BEQ Bullet_Track_Enemy_Init! x4 W+ p( \9 o, T/ v4 [
- 8 ]0 _( w5 w2 n* e: F# A
- Bullet_Track_Enemy_Init:2 l$ H$ M0 W5 V F2 t6 |- o9 a
- LDA Loop_Index_J& f1 l, M1 L; l) z; r
- STA Track_Enemy_Index,X ;nTrack[i] = j;
. O; [, |, k; J& t# ? - 8 @7 K, s" v) |
- STA nEnemyIndex
. C' g0 k& D$ d4 c1 {! I - INC nEnemyIndex ;nEnemyIndex = j + 1;
/ p7 n0 m" y; ~ t1 n$ T - RTS ;break;
3 o, ]- X9 O2 `; E+ {2 x - . J* r6 y6 s p3 {+ g; O) k# e
- Bullet_Track_Enemy_Check_Continue:9 S" e$ O. c5 q) @- i7 U
- LDX Loop_Index_J: J) q4 l/ [! o% U. f3 M
- INX ;j++2 I" r( [ A: P5 O
- CPX Enemy_Index_End' P% K3 M z7 D9 g# B4 p
- BEQ Bullet_Track_Enemy_Check- g" j0 l0 }: `) p x2 f
- BCC Bullet_Track_Enemy_Check( c6 N9 O, g& A1 n' g8 o
- Bullet_Track_Enemy_End:
) {2 s" t" O7 N( P7 ?# c - RTS
/ U/ G" m' i' H- L* p# T- a - 7 C5 Y- r& a% t1 B) W
- Track_Enemy:* m- T' S. j d w
- LDX #$0F
# s+ h# d. k, f R* S! E - Track_Enemy_Begin: ?5 M6 q% q: b% S: g+ m
- LDA Bullet_Icon,X
2 f% d( B1 R; X7 F/ S! { - BEQ Track_Enemy_Continue
! u% q% c$ i6 ~2 y - LDA Bullet_State,X" O4 G9 I& z d& \* s, A% Z b
- CMP #$01
$ M2 R2 k9 ?) X, b) T. g - BNE Track_Enemy_Continue
# D- J/ F2 n, H" f -
% l- t" B i' c" j X; _+ V0 e - JSR Track_Enemy_Process
- `$ J- o0 o9 e. A' d - + h; c$ A. x+ M0 [
- Track_Enemy_Continue:! n! J7 v; w* g1 z' q' {
- DEX! P7 U5 L; ], n: y8 w! E
- BPL Track_Enemy_Begin z0 @9 d% p& e4 G: R2 k
- RTS8 J& B/ `( T+ I7 G) w- P3 z; E, y
) |5 {/ o4 P$ ^- ;普通关卡" |" i& B: T( h
- Track_Enemy_Process:
$ D" u! H! {% H! ?+ Z3 D/ H+ {6 Q) V4 O1 G - LDA Track_Enemy_Index,X
/ n4 h( ]4 d! Q% p$ S' G) [/ ` - CMP Enemy_Index( a9 l0 H9 m3 ]" k
- BNE Track_Enemy_End" @/ Y/ y% _8 O5 D3 m& m
- LDY Enemy_Index% G4 T7 c4 f4 @2 F! w8 a, r; I5 L, t
- JSR Track_Enemy_Y
+ j% Q- X$ j7 G# P/ H) C& q - LDY Enemy_Index
# w8 D1 G9 f, h/ f7 w - JSR Track_Enemy_X
6 n3 `+ ~, O5 g3 Y - Track_Enemy_End: H% I( d& g, D* x
- RTS4 |; W4 Q: O. r$ k# e2 c: q, ~! f
-
% Q" D( k! G s6 D$ X5 f/ k% O - Track_Enemy_Y:" f, d. p3 u' F b- `6 _: D$ b: |$ V# u
- SEC$ w0 O2 }, x- {9 @: X8 X& q/ N, U0 ?
- LDA Bullet_Y_Pos,X/ d7 _0 q" K# l$ ^/ c4 w1 q
- SBC Enemy_Y_Pos,Y2 S; @: P! T0 j5 z P# M
- BEQ Track_Enemy_Y_Equal N6 f5 O" V1 i2 e2 g* `' X4 Z' Q
- BCS Track_Enemy_Y_Greater
' a8 f0 G# g) I5 h9 ]( X$ z - . x Z% n2 V; I6 F- o- z
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y( Z' L2 j9 r* h
- CMP #$FC9 K H6 ]: y9 r! }2 {
- BCC L1_1+ v, n! H- ?' A8 B# I, M; G+ Y
- CMP #$FE/ |2 ]- i- B1 r! O8 N9 }# ]
- BCC L1_2 H7 ^4 Z/ ]* Q
- LDA #$00
8 k) V+ q! N- o& Z# A - STA Bullet_Y_Speed,X2 B% Y& ]- \ ?. D4 y2 W
- RTS! b% T- E ]1 z% r% O! g
- L1_1:
; e0 g& x: l7 u6 t - LDA Bullet_Type,X5 O U+ |: H6 m7 c$ y5 z
- AND #$0F- x3 `4 U/ j: b+ n$ _8 G1 L
- TAY* I. x( X# ~: t
- LDA Bullet_Speed_Data,Y
- E! r. ^% Z- ^. P - STA Bullet_Y_Speed,X8 c p6 Q' V! ~3 ]/ G, E7 }( s! ]
- RTS. S2 D4 L* l b- T
- : B3 e) b$ s" s' s
- L1_2:
$ r: C! i& O8 m - STA Data_buffer
: I, ]# M2 D7 q& ^% j7 D - LDA #$00% G+ s; {2 A4 x2 S; U( x5 O* w' @
- STA Data_buffer4 t4 B+ G5 E' U* U
- LSR+ }: k% V+ M; }/ `2 R+ O
- STA Bullet_Y_Speed,X
8 g' a5 c( o6 K5 F2 n1 d - RTS) L3 Q3 a8 U S3 h" J
- 9 V4 S) J* e) R
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
- \6 M; K3 j8 K, Z+ m' @ - CMP #$04
$ r8 `; `4 o& Z - BCS L2_1
1 X# ]9 }+ v/ d) o e- L - CMP #$045 w8 S$ P2 j6 z* P% a, z
- BCS L2_25 D: W- W0 W: E7 ?- M9 d, T
- LDA #$00$ V: d/ |* q( y5 A
- STA Bullet_Y_Speed,X
3 g5 S8 H# r. ]: p1 R, ]$ Q - RTS9 r/ {3 x: v7 ]
- 2 E& @7 x) I. I( Q" C5 H/ P k
- L2_1:
! M, N; U9 q4 @) {3 X9 I - LDA Bullet_Type,X6 s+ \3 \* ?5 i. s! d5 f
- AND #$0F7 h6 E8 z7 V! ]4 j8 O
- TAY4 b. R( l m4 G4 ]
- LDA #$00
6 n* N7 s1 e, R - SBC Bullet_Speed_Data,Y
' O+ y1 S5 v7 f# M - STA Bullet_Y_Speed,X/ R+ r( F* k5 o( I, p6 V
- RTS
. x! y$ G8 K8 b8 E: a8 {' b" I - 3 |& B: w" f2 F7 `( \, W& k' w
- L2_2:; S. c* {2 u* o: r
- LSR% u7 S1 g0 w: W. G
- STA Data_buffer
4 o$ v% i( v) b4 C - LDA #$00* `' I/ X3 y5 Z6 T0 {2 w# R% R1 x
- SBC Data_buffer- Q, I1 W/ q3 ~2 m
- STA Bullet_Y_Speed,X& Q7 A3 f. E$ O- Y
- RTS9 \+ p+ Y. @7 Z p& i- w" X6 i; p
- ) l, O; ~5 S- N
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
' R7 _/ U) W/ P6 p. ? - LDA #$00& M" q9 A/ k c% X- h* {, t
- STA Bullet_Y_Speed,X
: D+ _ i0 A6 [" ? - RTS* x5 X% ~) f# u9 I3 X; B
-
$ A3 f* W5 H% T - Track_Enemy_X:+ D. M" |' e2 }- q( E
- SEC7 }# J1 M* E$ J. |! w
- LDA Bullet_X_Pos,X0 m L, l U. R0 K3 O
- SBC Enemy_X_Pos,Y$ j- ?% _, c" H8 E, }9 N
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X1 p1 }1 w- M! K
- BCS Track_Enemy_X_Greater ;子弹在敌人下方5 B$ P+ `8 ^6 t( O% _7 g6 O
- " C3 }6 W$ k" l$ c1 ?+ L7 ~
- Track_Enemy_X_Less: ;子弹X < 敌人X
5 a; j# D+ N" Z3 @ - CMP #$FC
& A" w+ O7 ?) x5 @6 G8 ?( [/ r' } - BCC L3_15 Q8 ^' k0 L1 ^/ B+ v6 e
- CMP #$FE G8 p# Q1 U9 x' t5 m& _
- BCC L3_2
) `7 c3 ^3 F% j, J2 T - LDA #$00
* `. k# v5 J7 m, L - STA Bullet_X_Speed,X
' I, N5 A4 Y) \) p g8 {) t" s) m2 q! ` - RTS9 Z3 f2 |7 R |, F
- L3_1:
( s# b; E4 _4 f2 p0 W9 ~# }7 `+ c - LDA Bullet_Type,X$ m {" o9 { @$ x* W
- AND #$0F3 } P" w( J2 H) u. V
- TAY
& A8 S& W8 B' t: x - LDA Bullet_Speed_Data,Y
6 K, Y1 W# M4 H2 j - STA Bullet_X_Speed,X
+ p8 @/ b1 r0 F4 O8 J - RTS
6 k: V7 C- A) E6 o1 q6 L - L3_2:
* m( I" j( O$ k7 O - STA Data_buffer
2 z: \7 Y+ @* x8 L5 ? - LDA #$00
1 n( G. p9 c8 c6 p" W9 N- N/ t! ]. R - STA Data_buffer! v% X" @8 Z/ M; j: [. l2 z
- LSR
w7 f) h$ s. W9 n" h9 G8 U - STA Bullet_X_Speed,X
4 G& n- M$ V5 y* U - RTS6 J8 c1 G$ H. u R" t; V1 l+ z9 }$ W
- 0 B" H4 j! ]) f. l8 W4 a( }
- Track_Enemy_X_Greater: ;子弹X > 敌人X
2 B/ D% {9 @) S6 M% t - CMP #$041 G; W2 h: K) o8 o/ } s s- m
- BCS L4_1
2 J' d1 R$ }) q& p - CMP #$02
* d$ G7 F) C3 K4 ^ - BCS L4_2
" Q6 c" V1 T/ J: s- H4 O - LDA #$00
0 V" ?; C. C0 ?1 f5 @/ @) D - STA Bullet_X_Speed,X
7 ^6 t" ?) f* p, O/ }) d+ S, q - RTS
' e* r w) L6 N+ z% o -
' H2 F% J3 g ?- x* U - L4_1: 8 A# E9 L& [4 N9 V
- LDA Bullet_Type,X
% a) X w7 _ Y0 o - AND #$0F2 K2 d0 ?% {* U' |, @
- TAY- `" H' c8 k, w! R* s# O0 E) e/ s) Z) \! Z
- LDA #$00
6 C0 f7 `! Q; S$ s! ` - SBC Bullet_Speed_Data,Y4 l& |: R2 L3 [& }3 M; w
- STA Bullet_X_Speed,X
7 j+ C5 s* v2 W) J; L3 } - RTS
* C( p2 l" M: ^0 O& x+ G - L4_2:
, K8 f6 Q$ b( x6 Q - LSR
" l' Z6 C! S' `4 L% E9 s% F - STA Data_buffer! l7 J f4 W; S0 ~3 y/ J6 v# |3 P
- LDA #$00/ V: k: [9 e; G) q5 K; B+ s
- SBC Data_buffer: L' g8 }' m* e
- STA Bullet_X_Speed,X' }. J" F: q6 [5 }
- RTS
$ r+ ]5 o$ V; [ -
. \3 n: {8 o0 N d - Track_Enemy_X_Equal: ;子弹X == 敌人X, A, S0 |, K3 I0 g
- LDA #$00
& V& {2 L x% k/ M/ s, I - STA Bullet_X_Speed,X
$ x% h, {7 k: n. a - RTS) C5 `. {7 q9 o Q; I* n8 h
- , Z1 e8 x. x! q
- Bullet_Speed_Data:1 p4 T# a0 T) x; b
- .DB $00,$03,$03,$02,$03,$034 S4 D% L' D* |) Z0 b( E1 w
- : i8 F$ E7 q8 r/ `
- ;2, 4关
8 j: t7 z$ `) o5 `5 _' p- } - Track_Enemy_Ex:3 \+ o; B3 H8 x- P1 E
- LDX #$0F' _! G, e: n9 _: h! U5 X
- Track_Enemy_Ex_Begin:
! P' H: }" k7 b! _% ]0 L5 S% ~
* z: v1 |# h% P H+ P- LDA Bullet_State,X
( q; N6 l8 e; c1 n& i& Y4 J0 Q - CMP #$01
c9 R4 {; T$ z, e8 H o - BNE Track_Enemy_Ex_Continue# P9 G v, c- d
- ( C) G A6 Y' ]. r& H. `
- LDA Track_Enemy_Index,X
5 y( o6 `4 M& E - CMP Enemy_Index
4 H' ]9 W3 J9 v9 R" V2 C5 E. a& j - BNE Track_Enemy_Ex_Continue ;匹配追踪目标( e/ @0 l. h: k4 j6 F2 d
- 6 |: X1 Z3 f) d; i! k% ^
- LDY Enemy_Index( T( l' }/ k' G* w% | S5 |
- JSR Track_Enemy_Ex_X
4 Q8 B5 G3 B" K5 e# [ G - 8 x: ] ^5 l4 ]$ ~& {
- Track_Enemy_Ex_Continue:% \5 ^3 P. C% j) ~) Z) m6 Q. g/ s
- DEX& ~2 P3 E& z9 W4 O
- BPL Track_Enemy_Ex_Begin6 a6 P5 \1 b# h- R8 B
- Track_Enemy_Ex_End:* i9 l$ q) U, n9 p: b8 g+ o
- RTS
( O" D' c3 O5 v, x9 j -
4 A/ X& |& K6 N* N' B, _5 C - Track_Enemy_Ex_X:
4 ~& a3 |. n9 }4 M5 Y; | - ;LDA Bullet_Z_Pos,X
2 u5 F9 B! J# Z$ k% A, l - ;CMP #$045 B6 c% r4 A$ _* d& Y: D0 d$ K
- ;BCC Track_Enemy_Ex_X_End
; }; K2 |) o. _% w - SEC
; B9 v9 c q% w) `# Q) V - LDA Bullet_X_Pos,X
r' m! g$ [. a6 m/ L - SBC Enemy_X_Pos,Y% U; L9 D' C: T4 F3 U
- BCS Track_Enemy_Ex_X_Greater2 Z/ I+ P2 U- R7 q
-
4 m2 ?+ s: l# h6 \6 M1 i# F# p - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X# l1 h8 U$ a' x: l" H8 _
- CMP #$FD1 H7 g7 x: Z& E2 ?4 J
- BCS Track_Enemy_Ex_X_Less_End
; Y' F+ O* L: D0 V' L& s# K& W - LDA $6020,X
i* U$ f, R' B% R( q) t i5 P0 J - CMP #$2A
- K% y0 o* ]& B9 ]) Z; F; x6 c1 k - BEQ Track_Enemy_Ex_X_Less_L1" j7 O! c1 n' |3 L& ~2 W. [
- LDA Bullet_Z_Pos,X
$ F6 u- O$ }# B, Y - LSR
k, f' y3 M; _( _ - TAY, E* b) |4 l1 q0 T
- LDA Bullet_Speed_Data_Ex_R,Y
$ Z9 _# b$ }$ x& V5 z3 \0 J& U4 \ - STA Bullet_X_Speed,X* o# I: G9 b: e3 k
- RTS
" Z8 |: [' Y3 t( P2 X6 C$ h: p5 ?% d0 Q - Track_Enemy_Ex_X_Less_L1:
( O) g! E/ L4 P. J& Q - " V$ T% f- [9 w3 o
- LDA Bullet_Z_Pos,X
9 h1 t8 n# f7 E( y - LSR
$ g) s# D' M8 L) M - LSR
4 Q' U5 e3 J# z7 q! @- M! N# l - TAY' l7 W; u: E' C( t9 ~. I
- LDA Bullet_Speed_Data_Ex,Y1 y* d: a( {, L4 o$ A
- STA Bullet_X_Speed,X; _2 d$ S# w% ?' ~
- RTS
- [( b& b4 w# B# S$ l* W - ' {. q, B! D v a5 ^# D l
- Track_Enemy_Ex_X_Less_End:
. [, D: U5 r2 w1 u) } - RTS! c1 t- {: K6 O1 N
- ) e* ?% x1 n( J/ N7 b2 s
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X* Q, I7 J+ n* Y
- CMP #$03* X4 C8 X8 ]- `# e& E3 I j3 ~" b
- BCC Track_Enemy_Ex_X_End
" b; B" D$ x; w - LDA $6020,X
; a! \' d! B' C" P - CMP #$2A* W3 L+ p. e9 f& a5 ^8 ~3 w9 \1 A& d6 }
- BEQ Track_Enemy_Ex_X_Greater_L1- O, ?1 J3 F7 a4 s, ]
- LDA Bullet_Z_Pos,X$ U! Q# e8 s/ s' |; L2 y, H" v
- LSR; G9 g( R0 G" O; a* x3 d
- TAY
0 R1 y) X! s# u. R* } - LDA #$00
9 R) A7 i' Z3 h9 ?8 I2 d6 D - SEC
8 i( H' w8 r% ?7 N - SBC Bullet_Speed_Data_Ex_R,Y1 V2 |8 u/ S) x
- STA Bullet_X_Speed,X% Z. t; n, e2 L; g" n' r! w8 e
- RTS; H( R2 a) X" s' N: o n
-
: \4 s0 n% F% j* R - Track_Enemy_Ex_X_Greater_L1& y2 Z0 D$ W! }
- LDA Bullet_Z_Pos,X3 r8 l1 S4 _6 L _) T# r3 H# L
- LSR& W) X- G* r# L
- LSR7 l9 Q% l |8 _5 W F5 C
- TAY
9 D0 J3 m4 `& U; m. e" [ - LDA #$00
5 Y$ N9 o, {) \3 T9 C - SEC4 F9 g+ I8 I! ? ^8 R0 r. k$ j8 j7 F
- SBC Bullet_Speed_Data_Ex,Y4 r, F# X& w7 x+ W4 `) U1 ^
- STA Bullet_X_Speed,X2 \" Q/ y: @7 t/ q" q( n- I. V
- RTS
5 J; x% Q% k. t; R$ ]) f/ c) b) |$ z -
* J, M& K/ @$ ?3 w0 M - Track_Enemy_Ex_X_End:: O. f2 f2 ~, [0 C4 G: @2 Z) K! {
- RTS
' ?& ~) E1 x5 p -
" |1 t0 t2 y6 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)/ H, p" X8 c- |: F. z, h
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
0 e0 H( n- U$ K, w$ k - Bullet_Tract_Direction:
2 z/ z, r' ?" n0 l - LDA Bullet_Icon,X
g! Q U6 P: ~' w9 h& }. U$ ^ - CMP #$23
$ d' i0 }8 _1 @9 B }) ], o - BCC Bullet_Tract_Direction_End/ h, U: {) f& M4 S) Y
-
" I; }! T. J! O1 e2 v - ; X != 0
7 m% g; p5 _3 Q - LDA Bullet_X_Speed,X. X! G. G( l: j
- BEQ Bullet_Direction_V: @! t* _( s' B
-
1 L" q1 B8 W2 z$ R. y - LDA Bullet_Y_Speed,X4 K5 }$ F/ ~; m/ v# w* J
- BEQ Bullet_Direction_H
. ~* n" ~" w( @& X0 S6 b - 4 f# H% g& e% R
- LDA Bullet_X_Speed,X
* N$ C/ b/ _( t6 b: [ - BPL Bullet_Tract_Direction_Right
3 c1 J0 ~" X- k3 `7 Q6 ]2 q - Bullet_Tract_Direction_Left:
$ @4 U/ G) n$ b. T - LDA Bullet_Y_Speed,X, C9 _3 O) Q9 C2 P3 C
- BMI Bullet_Direction_Left_Top+ ^- G9 _+ i6 K
- BPL Bullet_Direction_Left_Down/ J: O% }% {4 j1 W
- Bullet_Tract_Direction_Right:8 ~+ ^1 n7 ]0 m. U
- LDA Bullet_Y_Speed,X# O6 K# X5 B& Q5 t$ w$ k
- BMI Bullet_Direction_Right_Top+ [) y1 Z% x8 i: a$ v9 q& i$ r
- BPL Bullet_Direction_Right_Down
; D1 l1 u; U0 j) D9 P; Q. u$ H5 k - Bullet_Tract_Direction_End:& l- K, [$ V, C: C
- RTS
V; W& }. l4 g' G
1 L K5 k6 h2 S q" s; d- f. M- Bullet_Direction_Left_Top:5 r- W. _ @6 i: J! w
- LDA #$25
. ~9 K1 d5 T2 G: Z - STA Bullet_Icon,X1 L. k7 [% Z6 l- T
- LDA #$C0
3 n( y, J4 H+ \' G4 Z' c4 y3 I; s - STA Bullet_Direction,X
. j9 M, q3 y3 _! ~! e9 q - RTS! [# e, y5 t" k+ w3 p& b
) R- C$ B0 e! w5 L2 I+ x# }- Bullet_Direction_Left_Down:
8 _+ [3 d) Y; Q) o: @ - LDA #$25
0 N( S$ v1 c/ h1 B! i4 s - STA Bullet_Icon,X5 j. P" a: X, r+ Z
- LDA #$40
8 {' ?* c. J: x8 N3 }% L - STA Bullet_Direction,X* f0 l1 N/ o E( e
- RTS/ D% [; l! z+ W3 ~; p6 x: c+ r
- 1 n( G/ @: A1 E) o- |
- Bullet_Direction_Right_Top:
+ p! [$ N0 N2 T - LDA #$259 b3 E, ~; m: y5 M* H
- STA Bullet_Icon,X
6 ^: W3 x8 n& E7 L! x* F - LDA #$80
) m/ ]6 N, u( i! r3 z5 ~' f - STA Bullet_Direction,X4 Z2 X( }! n& E" _+ I
- RTS
" e, I3 T# F+ t1 W$ o) g
' ^1 f; ^5 [9 w. j; `5 `! E: Y" G- Bullet_Direction_Right_Down:) ?6 H. w9 k+ ^1 a9 T. m, ?5 Z g
- LDA #$25
& V1 n2 f: N; _) ?3 L - STA Bullet_Icon,X
! H3 y5 f$ F# [; d9 @ - LDA #$00
# @4 s- l4 } k1 t! K+ j - STA Bullet_Direction,X3 h- I4 P3 W4 b+ k: B' m) n: }- v
- RTS
( Z5 b# D: Q9 A% u - 0 T9 O$ y" Y$ P" G7 t' ^
- Bullet_Direction_H:6 S. K% E2 x% t, {8 h
- LDA #$249 X7 |4 H8 ?. z! G8 D% x+ }
- STA Bullet_Icon,X
7 ~( x% G2 Z8 g8 {! e6 ~ - LDA #$00
' |! T2 f& _: ~$ ~ - STA Bullet_Direction,X
0 T' T. [2 b" ?+ G" E - RTS
3 p4 t) _4 I, R$ t6 ?: { - ) {; z& g4 @2 R7 g2 A' |+ [
- Bullet_Direction_V:
* {" F# }6 G1 _* D5 U N* c# T7 ]- M - LDA #$23
" a0 V, R% t) \# L+ x - STA Bullet_Icon,X, J& W3 R+ c; x! `
- LDA #$008 ]+ C6 P1 {4 U" l) X
- STA Bullet_Direction,X, t& Z" F+ v# z% r8 U) j" f9 g
- RTS
s- q- Z: E: k
0 c9 J, Z) Z2 W5 O- Bullet_Speed_Data_Ex:. D& G* X+ d* L9 T
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
7 g) F7 s) p6 q9 S3 X* _, A -
- s' b Q: F6 A4 B$ ?8 I - Bullet_Speed_Data_Ex_R:
) [) e8 F, \- ]: j% s5 P - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
- a% G% Z1 ~3 T -
复制代码
( z! w/ ?& q1 `% g- {( G! w) h T r2 {3 C, I" j
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