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[FC][魂斗罗][J][追踪弹]9 x6 }' } K6 j+ C6 S" _8 m
/ ?* T: C0 n! f) B8 m6 H: _
时间:2023.04.30/ r/ o& A$ M* Q( h: _" b/ f" r7 b
作者:FlameCyclone
K4 q" C1 v9 c4 _$ o5 R内容:
4 J' p- V, V2 C) B3 y 1. 所有子弹追踪敌人
0 z: P3 Q! G1 I' `% O8 U8 ] 2. 选择键切换武器
9 M9 \, u& z/ ~* g5 \; 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: \3 h# i1 A& a/ u
- o2 N' ~. L1 f/ C |8 D/ _& jflamecyclone.ys168.com
& Q1 \& {: [; J$ n- a . W* c$ G2 n1 S4 F
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁( h! O/ L. i# C' [
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
1 ~. p. d4 t' q! q K3 V" I! f - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
3 L# z8 l/ Q- Z L0 I$ t0 P - 0 t$ y% H* F, g7 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)
$ F! o! |( K; j - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上6 }( k4 d! T% v, o/ }1 a9 ]
- 9 k! o6 Q! s* @
- Track_Enemy_Index = $6000
" R# l/ f& T- D' c5 p - Enemy_Index_Begin = $6010) _+ P6 t) D- X7 w8 M5 A: P
- Enemy_Index_End = $6011 s3 Y+ a2 o$ a& L f) o
$ U5 ]4 G3 O/ `3 q1 J- Loop_Index_I = $6012
5 b: T0 V. Y: s1 O - Loop_Index_J = $60130 b3 f, S7 d+ G! w
- nEnemyIndex = $6014
; s( w5 q- Y' ?! T' y - Data_buffer = $60159 n6 C- C+ c I% U B& }" k2 w0 C: e- g$ T
- & T# u: L% P5 ^% ?, D0 {2 L
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
, q- p# `8 h8 z1 C( R - Bullet_X_Pos = $03C8 ;子弹水平坐标 j8 w6 a/ A" L* z2 n
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
( {/ S! x* F" p# j: T7 {8 m - Bullet_X_Speed = $0408 ;子弹水平速度
4 `) P3 ^) u/ q1 }4 _ - Bullet_Z_Pos = $0418 ;子弹Z坐标
2 b2 _3 I& H# t8 m - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
- E& T) A; k8 z- ?8 ] - 4 {7 ~' g/ j9 g+ z, z4 N& B A
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
- Q3 Z, R$ y' |& H6 |& a S - Enemy_Blood = $0598 ;敌人血量3 [' s/ }6 C0 w" t- X% F% q
- Enemy_Type_Addr = $0528 ;敌人类型$ O5 ^0 p* f9 n% k
- Enemy_Blood_Addr = $0578 ;敌人血量4 C+ u1 H* T& z4 x. `: P
- Enemy_Y_Pos = $0324 ;敌人垂直坐标& R6 b% h8 @+ R* K* ?. Q
- Enemy_X_Pos = $033E ;敌人水平坐标/ J) [7 P6 q. L# D4 _1 _2 A
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
- Y) |+ E& u. f5 ^! V: b5 C' v - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸2 S. p+ v7 t) R' n! C9 k
! E$ k$ f2 d: c2 t9 \- Enemy_Index = $83 ;# _# a( {) g' l% _/ Y; S3 X; x
- Time_Count = $1A
# _/ S) K2 X' Z2 n* c - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
' z% z* N6 ^4 V% i( J3 w, t - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
3 T) _: p' U$ v - $ m# b! M" O6 ?+ x
) y$ {. _$ E! g/ x( d4 H- .ORG $61005 l; ^4 s7 {# n) y. o* {7 {- }
- Process_Begin:
0 J1 m, O' G9 X; o( j9 R4 U - JSR Enemy_Check& C, o: w) y" S f; x9 {
- JSR Track_Enemy_Check, D: E/ I' a0 }' D- c8 i1 V6 L
- Process_End:( t9 g. D+ J; {5 s G% l8 A$ x
- JMP $E54F' G" ~$ L1 r! A" A
$ L) A5 z: i- a& k4 {: W- Enemy_Check:
; l- ]- |2 q9 N/ V! a) a9 h - LDA Time_Count
0 d" U9 z6 \, l6 r& t - AND #Track_Bullet_Speed4 v/ ]2 }: m- S1 N
- CMP #Track_Bullet_Speed- h6 o4 _6 X) r7 s' p" P
- BNE Enemy_Check_End
6 V9 N1 B/ {9 X u/ L5 j7 o - LDX #$0F5 W* v# F1 n) Z$ p( m! ?
- Enemy_Check_Begin:
* K D. p( h! B5 } - LDA Enemy_State,X
: a# S% Q- ]$ j) J9 Y - BEQ Enemy_Check_Continue
# |/ c* m/ H7 t( o h - STX Enemy_Index$ {1 q0 P/ l; v( M
- JSR Find_Begin_Enemy% U1 M( u& }2 F4 W/ c( _) F
- JSR Find_End_Enemy
) v& T) D# Y' a5 t" G - JSR Bullet_Track
" u) j' U& t# s8 |/ J - - h6 o7 k& i# u7 z3 D+ ]2 _
- LDX Enemy_Index) {- e. Z/ L4 q0 c5 S: h+ x
- Enemy_Check_Continue:2 R9 N1 H8 E! p7 G
- DEX
& b1 X" P( b9 ~8 h. ^ - BPL Enemy_Check_Begin
8 F! x' Q; J( ~: j3 J - Enemy_Check_End:; i! P% H& d& h( G( a' \9 `
- RTS/ x: z6 n) t) X- n
-
# i# ~: i2 ~/ _4 M - Track_Enemy_Check:: Z# U) I0 \) Q- Z. V
- LDA Time_Count
" R2 [. v% b" S7 e - AND #Track_Enemy_Speed4 T" U! u/ D/ L* r
- CMP #Track_Enemy_Speed
/ Z% V: t1 n7 f4 ] - BNE Track_Enemy_Check_End6 G3 @, ^2 e8 k7 l0 V5 f, _; ]" l
- LDX #$0F* t, x+ c$ M4 e/ L7 M# C" S
- Track_Enemy_Check_Begin:
: M% i( M% h5 Y! b7 N1 J" _ - LDA Enemy_State,X
& Y4 a1 c2 y; c5 C0 J - BEQ Track_Enemy_Check_Continue: T' A% P, _1 }
- STX Enemy_Index
/ w7 S1 j: y4 E3 U2 }, N5 X - / z! J3 M1 I8 x+ c
- LDA $409 _2 [4 O$ F: P. u5 ^$ |
- LSR
! a; [+ i6 R$ R( {0 y - BCC Track_Enemy_Check_Begin_L1
+ S+ t: y) t6 O7 b" V. o7 ^ - 1 P# U W+ y3 p) w
- JSR Track_Enemy_Ex ;2, 46 C. Q. Q# e% f* P7 V+ |" K
- LDA #$003 Y7 |) a2 v+ V" E
- BEQ Track_Enemy_Check_Begin_L2
8 _3 p( ?+ P% B! U -
/ @- b' Z. m, I x* h$ ^ - Track_Enemy_Check_Begin_L1:* ^' T3 ]6 P) _5 c
-
$ |1 |: y. H& E) v- t& i! c - JSR Track_Enemy; f1 v9 c4 N" D% R. y! f
' B) r" q7 B9 a$ H. ?' ?- Track_Enemy_Check_Begin_L2:. V% H4 p3 H _8 R8 L4 W: e9 M5 m
- 4 j9 W a5 ^8 { z
- LDX Enemy_Index
6 D/ d( p/ r7 s9 A* j, r( }2 ^ - Track_Enemy_Check_Continue:) k) d" `6 X& w7 y
- DEX
) y" n7 i4 e4 ~+ R - BPL Track_Enemy_Check_Begin7 U8 D4 W( `6 ]: y/ w) o% r
- Track_Enemy_Check_End:% J; `9 S a* \' y/ f
- RTS! F9 I2 _& q' H, u w
- 2 i$ V! H4 u2 J4 a1 r
0 g% b* E' R# O" r! q5 L( x N- ;查找第一个敌人
! `/ l- p- p: G0 J: D$ [! e x - Find_Begin_Enemy:: p1 v' j" G+ H( h v+ n
- LDX #$00
% Z& @6 n- b' c; { - Find_Begin_Enemy_Check:, Z2 P0 |, x0 R+ H i0 N
- LDA Enemy_State,X
4 t3 }' v3 j! n$ Y' l5 G% o! U - BEQ Find_Begin_Enemy_Check_Continue
4 z" O* ]) p/ W - LDA Enemy_Blood,X1 u+ Z. ?8 z8 ]3 u
- BMI Find_Begin_Enemy_Check_Continue
: ^ i2 w" G; J p - BNE Find_Begin_Enemy_End
3 p% c9 p5 V( e. } X -
h; E3 J8 `9 L) a0 I1 v. p( F - Find_Begin_Enemy_Check_Continue: A6 N# H2 w% D) e
- INX- r5 `" W* v. V$ j! n
- CPX #$107 M A; m- y+ K, y& M' y( N+ a" p
- BCC Find_Begin_Enemy_Check0 F4 Q% r A* [8 G5 T. y f9 ^
- Find_Begin_Enemy_End:6 q+ }$ s7 ^0 e5 d
- STX Enemy_Index_Begin
) Q9 w% P5 b( K5 A% D% u' | - RTS
" j0 g2 h7 k& j - 3 z7 }. X o# D1 U1 _# |( k6 }
- ;查找最后一个敌人* p2 j# M# j" Y. C+ X/ I! O
- Find_End_Enemy:8 {- V/ i! M6 ~: [$ F
- LDX #$0F4 L* E. e+ u3 k' S, E
- Find_End_Enemy_Check:
( h( p& F( S, a( G4 i; S; G - LDA Enemy_State,X: N j' V& X1 ^% }6 h
- BEQ Find_End_Enemy_Check_Continue2 X. S3 ^, ]7 Z) g# k! T
- LDA Enemy_Blood,X0 P; ?% ]$ v5 `) v
- BMI Find_End_Enemy_Check_Continue
% V4 R' Q3 t2 O( B+ W1 v - BNE Find_End_Enemy_End
1 C5 k$ X6 B# J -
" s) [ Y1 J8 m' F% ?/ S - Find_End_Enemy_Check_Continue:
; S. g x6 P/ q" \ U. s0 J$ W - DEX
- L& a! Y& y/ z2 [5 ] - BPL Find_End_Enemy_Check
5 A1 R/ @2 f! v# y0 O7 K - Find_End_Enemy_End:; B7 h6 m% Y; m/ r! V3 Y% _
- STX Enemy_Index_End6 R1 o `5 R, E& y, `
- RTS
$ S7 z& J0 k/ I
' d8 [- d( v; P( q- ;子弹追踪
. h# _0 I3 `. s' C - Bullet_Track:
, Z" ~' o7 z* l8 u3 {$ N& ` U3 n - LDA Enemy_Index_Begin
. d; g _8 O# |* r - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
# X) F) C: k! J. O" \6 r, k; Q$ w - LDX #$00 ( o- j) X% X5 ?2 D2 X( \, M- m, [
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
7 P6 C! J! F4 w% s: M9 U - LDA Bullet_State,X
. K4 O, C! a) Q- L3 @# s* A. w - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;4 m# J" P' ? R- W( D
- STX Loop_Index_I
7 W1 ~/ T$ X! b- k - 1 h1 o9 n' a7 D+ [1 [2 X$ `+ h
- JSR Bullet_Track_Enemy
. v4 j' E. o7 m( } - JSR Bullet_Tract_Direction5 f, f i9 o H' X8 }; i% M
- - V% V3 `4 X# x
- ;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
3 i/ Q' }2 E. i1 T" A. _/ }7 W3 Z - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;: X$ T6 l. u6 o( r5 n1 [# l1 A1 @! K
- LDA nEnemyIndex
- Q% y# k7 W8 I$ n - CMP Enemy_Index_End
& S0 g8 o* n1 Q, N J9 C, J - BEQ Bullet_Track_Check_Continue0 k) ?: H1 d( Q5 I
- BCC Bullet_Track_Check_Continue- f! t- a+ s- u( n% N4 q& m1 m
- LDA Enemy_Index_Begin2 E. F- G7 x- {, R4 Y
- STA nEnemyIndex2 s4 t$ O% @8 w' {/ X. ]
-
' Y2 I* U* H" q+ T - Bullet_Track_Check_Continue:8 e# d( ^. J" ]3 o
- LDX Loop_Index_I
0 {. i, Z) @6 o( _% a - Bullet_Track_Check_End:3 i/ d# u+ p4 x$ p6 v' Y/ g
- INX
( J1 k9 q- p% U o7 w4 a2 y1 x7 y - CPX #$100 X1 r; O* }) E
- BCC Bullet_Track_Check
& Q* `1 n$ L+ P) ` - Bullet_Track_End:
. Z2 [( N7 d9 D, r9 V - RTS# Z6 z5 V2 b* k; M4 o
-
3 ~' n7 E/ m, V) X+ c6 @% ? - ;给敌人分配子弹
9 t% h+ Y0 h5 R9 x+ e5 B/ \2 s* `% f! M& C - Bullet_Track_Enemy:4 X' y. I1 M% h8 _( L" l) _
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
% A$ _9 n: n0 g8 l( D% `( {+ f0 d - Bullet_Track_Enemy_Check:
0 k$ h+ z8 M$ W/ c+ [; b - STX Loop_Index_J7 r& {5 v2 r+ |, D- H/ O2 I
- 6 y2 y( H- U. a) `+ E6 h
- ;if (0 != nEnemy[j] && -1 == nTrack[i])7 Z& P$ }: M0 y) W* u. Y) A
- LDA Enemy_State,X
9 F, K+ t; k' s0 D8 F+ Q - BEQ Bullet_Track_Enemy_Check_Continue* ~2 N w- N. q# w# l5 b
- LDA Enemy_Blood,X
7 P7 o$ E, {6 @' y2 h4 j0 U0 S, W - BMI Bullet_Track_Enemy_Check_Continue
! G& w% p6 o2 L! z( b -
* C/ v# V$ C* D* Y - LDX Loop_Index_I
" ?; I1 }' t" [# I, ?# k% X' X - LDA Track_Enemy_Index,X9 @1 g& ]' z' e
- CMP #$FF9 s) v( C. s. f! b" L8 e& i
- BEQ Bullet_Track_Enemy_Init! U4 O, U" m+ \7 w
-
. x0 J+ ~1 o$ u+ p* D% f( t* B - Bullet_Track_Enemy_Init:* W- U& ^/ \2 G U- @
- LDA Loop_Index_J E* R9 q6 L# X; ?1 L
- STA Track_Enemy_Index,X ;nTrack[i] = j;
, ~4 ^0 p% r3 B! ~ M - 0 [+ O: }1 Q4 t, }
- STA nEnemyIndex0 K; `! V% {/ [( K
- INC nEnemyIndex ;nEnemyIndex = j + 1;
, q- W1 _6 N6 L! O" }* y - RTS ;break;% Z/ I, F3 b ^) G: K8 X; Y
- - j: o5 j/ h2 B; [9 B& M
- Bullet_Track_Enemy_Check_Continue:( G. C3 _: [0 C: I
- LDX Loop_Index_J
$ S/ K8 f6 O: }3 q - INX ;j++
. K0 z4 f" x; I( b - CPX Enemy_Index_End( Z7 }4 ]+ C2 |, F$ A
- BEQ Bullet_Track_Enemy_Check
( C+ o: a& \3 U W& Y. g1 i - BCC Bullet_Track_Enemy_Check% E2 A% o6 P8 C g, R, C
- Bullet_Track_Enemy_End:
4 ?9 V' T/ P5 ~2 T( c }3 w. E - RTS; [! j' I( L) z3 g, x9 N
- 9 [% B) k& I' q8 v
- Track_Enemy:! ^, [1 y' `8 z8 V$ E4 _
- LDX #$0F
$ Q4 ~, O/ u* t6 P, q* ?7 _ - Track_Enemy_Begin:) g$ K/ ~6 O" \
- LDA Bullet_Icon,X7 v' C* W) V# w5 S! ?9 l
- BEQ Track_Enemy_Continue
7 N8 K: c: }' n2 S+ L" W+ y - LDA Bullet_State,X
6 [+ Q8 N. r" ^; S7 l' }# l5 j& _ - CMP #$01
# z* ]/ l& a! ]) L - BNE Track_Enemy_Continue0 E% S p" M- ~( e" w
- - T' j) v; i; O" w: f5 f5 O
- JSR Track_Enemy_Process2 N& r1 B5 R% |2 B& a
-
@' U/ p& H+ ` - Track_Enemy_Continue:
1 m9 U! b% ~3 ?; H" @ - DEX5 @/ s' y( W7 j9 E
- BPL Track_Enemy_Begin* W6 T7 t1 V, u
- RTS4 G7 W# w p* ]" }+ Z& Z0 D
$ Z$ B% `. i7 s- ;普通关卡: H( l( _ G' d3 Q0 m3 i5 x) M7 _
- Track_Enemy_Process:
1 Y9 s8 p/ \+ Z7 x - LDA Track_Enemy_Index,X
* v9 W* ^3 y( D - CMP Enemy_Index
- k4 Y' t) Z8 K7 ] - BNE Track_Enemy_End
- X6 l2 h% d4 W, O+ r/ X - LDY Enemy_Index
: U8 I, G" F( B- t( k: x% }" Q - JSR Track_Enemy_Y' w/ [+ A7 ^, c! B8 V
- LDY Enemy_Index) V( @# \# r# [. l0 J; P
- JSR Track_Enemy_X
( y1 u/ c( g4 q' I. I - Track_Enemy_End:
) e9 b' G+ b' m9 C1 `1 R# w8 n- L; p - RTS N- L9 w2 n6 |+ N) @8 \0 v9 M
- # s4 g/ C8 V6 M0 ?
- Track_Enemy_Y:
4 `" F }" G( `$ K' S# ] - SEC
+ z+ Y5 t7 v( M, P2 ? f5 f - LDA Bullet_Y_Pos,X7 T1 }& p# S% A; r4 `8 i
- SBC Enemy_Y_Pos,Y7 p# B, t. ]+ y( P& q
- BEQ Track_Enemy_Y_Equal4 R1 \1 i$ f: X2 T5 W: |, f& R
- BCS Track_Enemy_Y_Greater
0 r5 G6 V# N, Y6 y% @2 } - ; Z6 h) |8 r2 }# ^! S
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y. U8 W7 [$ D, _5 |. t" L' G
- CMP #$FC( J+ r/ G" z2 Q \ T" ~
- BCC L1_1: m$ E, Q5 z- F5 W" Q' e
- CMP #$FE: x8 G' ^" ?2 I7 L* c! P
- BCC L1_2
6 @5 h) m X0 D - LDA #$00
/ R( C) H3 F$ B - STA Bullet_Y_Speed,X
7 p$ R4 w, ?7 I1 p1 H - RTS) A f+ I: K' b( q+ `
- L1_1: 6 p# z, h. R5 y! t/ _4 ^5 p
- LDA Bullet_Type,X
) A ~3 b* a7 P8 D" U - AND #$0F
4 X; n1 i: w: u6 A( L) b - TAY2 a! w6 C% W6 z% s7 \: u! E
- LDA Bullet_Speed_Data,Y
8 ?9 \6 O4 G$ R2 |* S8 b6 m - STA Bullet_Y_Speed,X0 j: A. E6 {6 [, }% o/ ^9 X
- RTS/ k3 i1 Q# @; P. {8 M6 @4 a: j
- / U1 R, z1 Y* J7 m4 ~' j
- L1_2:
9 w& O0 V# H7 z& _, v: [ - STA Data_buffer
9 f3 z1 ?+ r# w$ P& D! k- K - LDA #$00' Y, U8 m7 f6 [9 Q
- STA Data_buffer" N; X. Y2 l8 v9 {( p
- LSR" ]. r* X1 U( Q( O* K8 \! T: p
- STA Bullet_Y_Speed,X! N" W s2 s5 @; X" F% }; ]* e
- RTS
. D8 U% T7 u6 ~1 H& g
5 V' M& _/ r0 b3 U$ H @# ?8 e0 Z: E- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
9 s4 ^9 l; h3 m- L6 J8 ^: d - CMP #$04
; @: T/ t% X; t/ D - BCS L2_1 b1 c( [% [7 r, |! N6 {# C% E
- CMP #$04
, B. v1 C6 g+ ~$ B1 a6 Y/ A+ p# Y# | - BCS L2_20 k2 c. |, r) j8 j
- LDA #$00
( H d9 ]; I6 k# w6 m - STA Bullet_Y_Speed,X" ^4 I3 A( `2 W
- RTS. e% y8 ?4 p% A3 A/ N( ]! S2 a
-
% J/ k- b0 l1 ^+ A* N, m. D5 m - L2_1:
' z; l4 Q" z2 @; p - LDA Bullet_Type,X
, ]" K6 m9 Z; m) s0 W. f E - AND #$0F8 ]* S" Z7 h; n* E6 r
- TAY
! u4 k, i* T% X4 t" x8 B' T - LDA #$001 Q2 v5 c* Z- Y' q5 i7 `9 |8 d
- SBC Bullet_Speed_Data,Y# l$ ?! x$ j. [( U" O
- STA Bullet_Y_Speed,X
: h# N6 r8 s/ W6 L& O/ k1 P - RTS, K- ^8 \% m& j) M
- ; Q- c# X a' T- d8 Y
- L2_2:$ F$ g7 z( O# }7 B- T* Y9 J
- LSR
, ]3 }: i+ ~6 ^4 J8 D' M - STA Data_buffer% j, G6 ^6 [5 `2 G
- LDA #$00
- }5 l$ W# a" x5 R3 G2 T0 {# ?9 W - SBC Data_buffer
; q( G9 o3 L+ G) e. x5 J& k - STA Bullet_Y_Speed,X- P) V2 i, m$ X1 P5 Z, m$ Z
- RTS
4 F. N' Z) J% j1 d& Q - / j) D6 h3 [8 N( r6 n, v
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y1 Z7 n9 I, n/ Q! w* M4 Z* C
- LDA #$002 l7 P+ i9 E7 O
- STA Bullet_Y_Speed,X
. J a" A- S Y& ^& E. D0 j a+ ^ - RTS
/ J7 {6 l/ N& A - $ P) o- m3 I, g1 l
- Track_Enemy_X:7 {# }+ E4 X+ w$ o4 f; z; ?
- SEC
6 J C# R1 R$ Q: b) E" \* o - LDA Bullet_X_Pos,X6 h$ W) c4 V7 J; [: t6 C" ~$ F
- SBC Enemy_X_Pos,Y
5 W# B& @2 | d- \ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X- f: h- D- ]* t, [% Z3 O
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
R- D! B$ L5 v' [: F- S- V - 1 v% I0 P. B8 k; C) c& Z% K1 i& N
- Track_Enemy_X_Less: ;子弹X < 敌人X C0 T1 ]% {. c7 O- k# P
- CMP #$FC
$ c; b8 @, P# t; w" ^! o - BCC L3_1
: E5 \# {9 f9 ?4 I* F- ~2 O, { - CMP #$FE
4 I. o' F7 K Q - BCC L3_26 {$ W# n( B8 c; ]7 ?
- LDA #$00
. ^* | T+ K3 W4 S1 _+ @ - STA Bullet_X_Speed,X
- Q; q# m( E' }: Z# [ - RTS
: N7 e7 {" c. @* O - L3_1:
k6 O# {. T$ H' \ - LDA Bullet_Type,X
% A7 F$ O, u$ V5 J# D - AND #$0F# Z5 R( g$ H8 k* e# i) d
- TAY; ?! w; R- g5 f L0 H5 l
- LDA Bullet_Speed_Data,Y7 d4 `' x, k1 N; B3 J( A1 T
- STA Bullet_X_Speed,X
- F( V& m9 W- g0 ^ - RTS
9 I; ^; [' p! j$ R - L3_2:
+ g8 {4 B0 S/ L( V# |7 P3 N; b7 p' ~- N - STA Data_buffer* q7 o% J$ z+ z$ F
- LDA #$00) U" n, \3 x. P/ N
- STA Data_buffer3 e, S1 U z3 D* C2 M
- LSR
: b- Q; V; C. S9 }: I - STA Bullet_X_Speed,X0 C3 s2 F- L7 J) W! F3 V% X7 `
- RTS
& q, i: V) K9 L! m/ [' p - 9 l, u4 @* l# ^
- Track_Enemy_X_Greater: ;子弹X > 敌人X
! }. U7 v- N3 e2 z" C) u7 O - CMP #$04: n: r! L( f8 g/ b- t6 }8 }
- BCS L4_1$ v- `9 @; _% k( m0 A
- CMP #$02. f8 ^2 x0 P0 }3 m" k
- BCS L4_2
! N8 D( |3 Y" y - LDA #$00
5 l: ?4 @7 I. _1 S+ k - STA Bullet_X_Speed,X
8 Y$ `. N" S! F& A - RTS4 a( U3 t4 b3 H: J, @. ~
- . X! J# V, e0 I$ c0 u
- L4_1: & `1 h/ q7 y9 F+ t4 ?% V0 W# w
- LDA Bullet_Type,X
2 k5 j9 V4 v4 S) o' E' X& c) E - AND #$0F
+ f/ G+ i4 d, o" Z U' p - TAY+ O) M3 J$ ~8 C* l
- LDA #$00
- _" g& s, P: F- O `( h5 ?& j5 y/ K - SBC Bullet_Speed_Data,Y1 K6 o5 k$ G L- i
- STA Bullet_X_Speed,X
) U# \: ?% A N7 v7 i8 L - RTS8 B2 N. r5 p) S5 R: T Y
- L4_2:
9 c* m. a' S r, j1 C - LSR4 M# \( E! ?, b
- STA Data_buffer( s1 g8 n$ M" n( H& n3 s
- LDA #$00
3 \+ ]! `0 ~) q$ Q% [/ V - SBC Data_buffer0 |. s& A( \( o' ?7 S5 B: d
- STA Bullet_X_Speed,X
, x; _( `! c$ b0 X/ b2 m+ H+ B - RTS2 d: H* W4 j3 V+ `* S$ y
- - z4 `1 m3 L; t* C0 t$ z% f) X% }
- Track_Enemy_X_Equal: ;子弹X == 敌人X
4 z1 L: b9 M) c w$ S9 e - LDA #$00$ P: r6 t( h- N9 h& s2 N
- STA Bullet_X_Speed,X
) T) L0 F5 H- @) W9 A - RTS6 a4 F1 w# U; c! T
-
: a$ g( e* Y$ @# n N! Q6 g* K B - Bullet_Speed_Data:
3 a0 ~& t- {, X% w& w2 o7 ~' ]% t - .DB $00,$03,$03,$02,$03,$03
9 _, I9 G K4 X. u5 [ -
( z# k; \. A( u2 q - ;2, 4关
6 y6 D2 i/ N, B2 B7 Y3 T) u* P1 C - Track_Enemy_Ex:% f* ^! y \* N" X0 \
- LDX #$0F
$ r0 q" {9 C, w8 `$ I - Track_Enemy_Ex_Begin:
2 ~9 k9 B/ i( |2 ` - 0 s1 H# l1 v3 I! r* j( P8 V% C
- LDA Bullet_State,X d$ Q3 Z9 f/ ?" o1 u5 \4 b
- CMP #$015 O! w" ~; n# D" ]
- BNE Track_Enemy_Ex_Continue
' _ v |7 U+ F - ' B6 e+ I; { y2 q+ L) c D
- LDA Track_Enemy_Index,X- f# [8 _) u* K* X7 t. Z c
- CMP Enemy_Index; K7 Z7 }, A- A
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标$ q- E! D! \- L) j
-
' W8 B, r# B! [8 I, v8 e/ O5 l1 X2 S - LDY Enemy_Index
/ l& H: T( G- a+ @0 }/ x0 t - JSR Track_Enemy_Ex_X
; |) t, |, w# V& M3 I - . Z2 V. |( l( V- o
- Track_Enemy_Ex_Continue:8 B6 Z, G' i- @: _7 N: c$ ^8 b& \
- DEX
6 E T, V4 s" ^( c. S$ ?0 `1 o& z. ` - BPL Track_Enemy_Ex_Begin. @# R% S( a V% _
- Track_Enemy_Ex_End:
; I3 t6 l! f& Y1 O - RTS5 J& w( G6 P7 S: n7 m! r- g& D
- 5 |6 k" [, ~6 C6 l) X
- Track_Enemy_Ex_X:3 \' e2 y% {4 n4 b
- ;LDA Bullet_Z_Pos,X6 D: T' M3 X" [. j' w( |; A. K6 Y
- ;CMP #$04
% d6 Q( B" G0 ~) s( r - ;BCC Track_Enemy_Ex_X_End
% I# K+ Q `# Z* r+ Y - SEC4 `# f% P& _ }% O- w
- LDA Bullet_X_Pos,X
/ x+ X( E4 B0 @7 b' e9 {- F - SBC Enemy_X_Pos,Y" j$ ^( `5 O% E' V- _
- BCS Track_Enemy_Ex_X_Greater
: ]" Y6 J5 Q9 M" {8 x. c -
; X3 `& Y' B- I2 j' W3 j2 c - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X4 i: n# \" Z# I( } d- H2 T, @6 x2 y
- CMP #$FD: D+ M) t% c$ N/ q2 } {
- BCS Track_Enemy_Ex_X_Less_End
& M' j$ t# j, N - LDA $6020,X9 L& r7 } I' J9 y; q- z
- CMP #$2A
( L) o5 Y; |, f. m4 O - BEQ Track_Enemy_Ex_X_Less_L11 K3 o1 k' A2 k
- LDA Bullet_Z_Pos,X' ]7 O4 ]0 q0 z4 D$ Z
- LSR
, O# s p4 f. ^ S/ n - TAY4 j- e% \. F6 s" J
- LDA Bullet_Speed_Data_Ex_R,Y! M; l, N& { C5 g
- STA Bullet_X_Speed,X
0 D0 e. j4 g7 Z7 t( ]! e - RTS
- \ L' D4 m6 Q4 S4 K- d - Track_Enemy_Ex_X_Less_L1:8 S) G1 }( [& L: Q
9 r5 |, l, \, j- LDA Bullet_Z_Pos,X
' R; R3 _4 C& B# I - LSR& y6 w% o. D; O
- LSR& I; K( @0 k' ~% A$ N4 z9 U* q2 l
- TAY& G! ?- }) U) @
- LDA Bullet_Speed_Data_Ex,Y4 e+ s1 w9 ?2 a- U5 K9 s
- STA Bullet_X_Speed,X% y8 a5 m0 L( B; \4 Q
- RTS8 _ i$ y; }/ W8 D# s9 g1 S# p; k* W8 @
- + i, ~ q9 P: \7 A0 e4 V
- Track_Enemy_Ex_X_Less_End:
5 J5 x. W S, H1 z - RTS
1 c3 w5 v t0 h4 y7 h* v2 V% ` - 4 I! n* P+ V/ P0 @. n+ Z
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
2 X% D; G" j, g! o - CMP #$03
- F$ b: Q2 n% @6 t1 o& H - BCC Track_Enemy_Ex_X_End
# { z" \: C3 r0 E+ J; f - LDA $6020,X9 v% [+ w. I6 B( k: u7 X
- CMP #$2A8 C) v7 l7 z5 m3 v9 p8 R' Y
- BEQ Track_Enemy_Ex_X_Greater_L1/ T5 f. D6 P- L4 ]
- LDA Bullet_Z_Pos,X
2 @* t& U, [2 k - LSR
" k0 T4 ]: e2 c) A( g/ v% \# H% C4 e - TAY
1 k# e Y3 C& k& L1 U - LDA #$00. z8 l4 S) P: W F
- SEC# G* U6 n/ y8 V
- SBC Bullet_Speed_Data_Ex_R,Y
3 J. y/ M/ f( L2 D0 |3 y$ U0 V" y - STA Bullet_X_Speed,X7 W4 f4 q e: ^8 f3 }: S
- RTS1 f+ a8 X3 @, S8 Y5 N6 g4 }5 h& p
-
# K' J, E# K, @ - Track_Enemy_Ex_X_Greater_L1+ R+ ?. }9 D2 K7 ^! p9 n
- LDA Bullet_Z_Pos,X
7 h) }) E* j, d6 W - LSR
8 H+ O0 d6 ]; A* }; j- ]) X - LSR# D% d+ D- x) J0 i! ~) w6 `& D z4 k
- TAY
* p4 T: c2 e* f2 ]6 | - LDA #$00# @1 D$ |/ S j; }6 j
- SEC
( c2 ], E7 V c" T! M* A; @2 d! l( S - SBC Bullet_Speed_Data_Ex,Y% p. a/ u6 b A5 t
- STA Bullet_X_Speed,X
+ Q; v) d8 B5 C; d/ G# F - RTS
" H1 O! Z: g; o& m8 q -
9 [* K9 h8 i- x7 V% C8 {2 T3 v1 V+ W - Track_Enemy_Ex_X_End:
' A. R; G' S- k* A; M$ [ - RTS) E9 I7 E; s+ P* A6 d7 J& S6 z' W
- 4 j+ l* F; g" N6 C
- ;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)/ }$ n9 B" t! _% j3 N) t
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
) R, h4 \) }* v7 ` - Bullet_Tract_Direction:
4 V8 o8 [% W) H) N7 o - LDA Bullet_Icon,X; G% E; J, {* n
- CMP #$23
. j0 T7 Y5 k O2 H- U - BCC Bullet_Tract_Direction_End8 Y" m" O0 N: u, v k
-
4 E W8 N$ z. x5 u B* @" k - ; X != 0- }% T, w1 _5 L0 {3 y) e: I$ W
- LDA Bullet_X_Speed,X% m- y/ Z! F5 d, J' C. z
- BEQ Bullet_Direction_V
& |1 w: N1 Q( w( M; j0 s/ n; Q3 E - 4 `* H5 [+ T4 [" r& L
- LDA Bullet_Y_Speed,X7 m6 X$ x5 t! A0 t
- BEQ Bullet_Direction_H- G/ f! @( z% M9 x9 J! v
-
0 A- B( q; U$ A1 c) I( c - LDA Bullet_X_Speed,X8 `- G' _9 y4 U, v
- BPL Bullet_Tract_Direction_Right8 P# K) i$ p) w7 a7 z. @# d
- Bullet_Tract_Direction_Left:
8 o. ?! N$ {. B$ _8 J1 i# y - LDA Bullet_Y_Speed,X( w+ W' D1 Z3 |8 Y: O/ H
- BMI Bullet_Direction_Left_Top% n2 V T9 d1 ^; d# \. j
- BPL Bullet_Direction_Left_Down
; i/ |( h0 b w! m2 b) n - Bullet_Tract_Direction_Right: p& z- U1 p% R* c9 }& c x4 }8 v9 g, G
- LDA Bullet_Y_Speed,X# x, w* f& l+ F+ t
- BMI Bullet_Direction_Right_Top
' d! Z2 ?; q1 ]& \4 G( R - BPL Bullet_Direction_Right_Down H1 o5 @: B, b1 X
- Bullet_Tract_Direction_End:; k- e- J. i6 a( O2 G5 I
- RTS& ^# l- X/ {& n8 a) t
8 f& S: W- ^, o2 U3 x8 c9 L' N- Bullet_Direction_Left_Top:6 |1 ~( @, h; i4 [+ `+ j( i
- LDA #$251 A: U* E5 \" j) Z4 D2 y3 y
- STA Bullet_Icon,X
! o9 D& ]6 ]' _ - LDA #$C0
& t6 ]' n2 W3 U& H: M3 C% I - STA Bullet_Direction,X
4 c5 y3 O2 l' k+ V& k9 b - RTS
3 Q$ K/ D. B' Y* l* T - 2 _8 e7 ]" n0 l+ i" a, M
- Bullet_Direction_Left_Down:
; Z$ h. y/ j% _ - LDA #$25
6 D- W/ n5 ^- r F8 g+ t4 v& n: @ - STA Bullet_Icon,X! r% W$ e) T6 K! R
- LDA #$40
( k! r- d% I6 H( w - STA Bullet_Direction,X
7 v$ F% X0 B9 h& F, [. h9 U - RTS2 z5 O% g# Z4 O' Y( W+ }
- ) ^8 G* u: I. G+ T: Y& z( ~6 X
- Bullet_Direction_Right_Top:( @" Q- t5 V+ M3 F* I; q7 @1 q0 Z
- LDA #$25
8 a8 I) Q% y4 r! U - STA Bullet_Icon,X
% }: {) U+ b2 j b0 }$ h1 C - LDA #$807 {- B7 y/ S# f( E' c$ i, G1 a. x3 b
- STA Bullet_Direction,X
L$ v1 N+ v* L; z5 I5 c* ?+ n) @ - RTS# S$ d1 g# j( U, w: M
( ~% Z0 r: u8 @2 r) A3 z7 `- Bullet_Direction_Right_Down:
* ]% `" p8 m- L& u - LDA #$25
. h n+ |3 b- P3 b - STA Bullet_Icon,X# y0 B1 p( _6 C& P+ |# a3 |: D
- LDA #$006 k R) E3 x$ T+ s# j; P- w0 ~. ]
- STA Bullet_Direction,X
+ A' S* Y7 R7 o% a - RTS
4 d2 M- R$ L0 Y ^$ _, X$ z9 ^
3 _( M1 K% G- F' C! ^8 a N- Bullet_Direction_H:# w7 H, Q4 v6 ?0 E7 j
- LDA #$24
9 p# O2 F, [* I3 G' s2 t8 S$ P - STA Bullet_Icon,X
) x6 u- M2 h; D# A1 l - LDA #$00 X1 h; p6 J+ j4 Y, ?% R4 q8 H
- STA Bullet_Direction,X' a7 s. D: W5 Y9 Y, C7 W- M
- RTS
& ]* u! s2 o" q$ ` - 9 v& [* D+ H/ [
- Bullet_Direction_V:
: L! a3 y3 F% \9 a- j - LDA #$23
( S7 J% m( f( c- |. b0 w' _ - STA Bullet_Icon,X
0 C4 X# O$ Q) f4 t/ D2 J0 v - LDA #$00
# S) l1 e! H) { - STA Bullet_Direction,X
" J3 l4 z# C9 `& X; } - RTS
` K$ B, M9 R6 C" P. C
4 E- [: F9 L& Z! R! |- Bullet_Speed_Data_Ex:
9 Z4 ^% l& x- N, V - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$046 i! V0 x7 r! f9 r( R% w7 O
-
* ], ~! m# N7 \& M' h - Bullet_Speed_Data_Ex_R:7 I, R8 I8 E7 |, e8 N
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
7 I3 O- s) A$ g% S+ m2 c0 C9 c -
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, T% u; V8 O7 B3 w" t |
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