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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
\6 H+ H: U2 L. g; L. ?$ ]: C5 c作者:FlameCyclone+ F1 d+ ^6 A4 u& j
内容:
- I6 }, W- B2 f/ E8 Z 1. 所有子弹追踪敌人
# h5 {( U9 i/ h" m) ?% v. v 2. 选择键切换武器) H4 u6 d' P& V% X
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0 M0 e6 L1 {! U i, F% x
# a- }/ R# b% T* ?" z9 W, |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 g1 ^& I. T) f
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
0 X7 \( `3 ~# U5 s5 k3 V - 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)* r9 r5 K- r- ?" F( _+ P5 L( x
" ]- N* F6 M/ A; W( C! W& J6 j- ;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 ]9 M4 s$ z7 I* Y" A; ]
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
, z+ C* E# X+ p" I# Q) D, h - 1 a: ^9 y( {* C6 C0 ?
- Track_Enemy_Index = $6000- }! i$ A9 Y0 U" D' J9 w5 S/ G
- Enemy_Index_Begin = $6010& X/ c J; L9 S6 a$ l% e, d
- Enemy_Index_End = $6011
& r/ S7 v( z: l) s' W$ g - - U$ b9 P+ f) B, a5 b1 Q# U
- Loop_Index_I = $6012
. p1 V- H' z" L- i' [ - Loop_Index_J = $6013
' Q% w; g" Z' y- Z - nEnemyIndex = $6014" a/ H& W; i# h9 j# A/ d" N
- Data_buffer = $6015
- |6 z3 }( N2 ~* m
6 ~7 M( f5 Q! p6 x8 U% x- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
- R1 E* L/ I! l - Bullet_X_Pos = $03C8 ;子弹水平坐标& a+ _$ g7 H4 h7 v. s! G
- Bullet_Y_Speed = $03F8 ;子弹垂直速度* J) O1 }+ _+ \
- Bullet_X_Speed = $0408 ;子弹水平速度! l! C8 R. s4 F* c
- Bullet_Z_Pos = $0418 ;子弹Z坐标
: m: C, f3 W0 S Y) H' i' M$ f8 W - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
" S6 v; ^9 \, d) N7 o - 3 ^# a% W9 G( s; r6 P. }6 C! 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
% g0 M- {7 {- J, }3 M, } - Enemy_Blood = $0598 ;敌人血量
" R" q- g/ n, Z - Enemy_Type_Addr = $0528 ;敌人类型
# P M3 M" D; [. v8 Z2 A+ J9 n0 _# y - Enemy_Blood_Addr = $0578 ;敌人血量) O" R: U+ j3 s4 u* o3 H: t
- Enemy_Y_Pos = $0324 ;敌人垂直坐标& ?9 G6 H. @) H. C
- Enemy_X_Pos = $033E ;敌人水平坐标
4 p: g6 g* N% I( B$ s. P - Enemy_Y_Speed = $04E8 ;敌人垂直速度" r2 i/ A* ]9 T3 h
- 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
* G& Y/ [ }) R" j: g7 ?" P3 u8 M
5 e" t1 {- u6 t- Enemy_Index = $83 ;
; J( Z0 N0 O/ T" l! N5 Y5 ^' T - Time_Count = $1A, Z" C* J8 S, _- O8 h: }# i
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, d* q+ |+ G( Y: e' t - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率5 [ b; T1 G/ E6 u9 `+ ?
$ d; s4 s; E+ K: Q/ f& y; d' D& R) L- 8 |, P9 k e) W- M" l0 V8 O* M
- .ORG $6100+ {# r H( o7 r: T
- Process_Begin:
" e5 G" u7 g3 B# P. c" r - JSR Enemy_Check
2 a1 B' O+ N' x5 w) Z - JSR Track_Enemy_Check+ D! n/ F8 ~6 a1 T- T
- Process_End:
( K- R$ L) V3 L" s$ u - JMP $E54F
# k7 ^: F- S0 y2 {
4 Z2 k$ }" F( I/ |$ G9 b- Enemy_Check:3 e) |6 P! y& d" i# G4 ]! j4 }
- LDA Time_Count
8 q1 y: X5 Z, w1 u g' [ - AND #Track_Bullet_Speed/ Z' G9 H9 B( U# d
- CMP #Track_Bullet_Speed
3 C( }$ G2 u, E% A- t& G0 T- W) K - BNE Enemy_Check_End- ^8 V; q8 ]8 q }+ [2 I: U9 B5 c
- LDX #$0F2 u4 x9 @: I+ ]8 ^7 I8 [# Z
- Enemy_Check_Begin:
9 N0 g) J3 B- q) ?; x - LDA Enemy_State,X' {" q" Q) @/ G1 Z6 o F" p9 F
- BEQ Enemy_Check_Continue: P& f* I9 `* p, w; W
- STX Enemy_Index/ W, n* x2 w8 E
- JSR Find_Begin_Enemy
& C1 X6 ~" P* ~/ q2 q - JSR Find_End_Enemy
9 Z1 e6 |- Q3 ~5 h - JSR Bullet_Track
1 k6 J6 J& T7 ?- t4 a! j - 6 c- V7 b) i6 m3 l6 v
- LDX Enemy_Index
. v$ ]. [4 ]7 I5 ~, l; T! U+ t - Enemy_Check_Continue:. ? G$ o% u2 H; U$ I
- DEX m! j" w% ^1 P- {" ^) D) O+ i
- BPL Enemy_Check_Begin
& P9 O3 F! s$ g9 v - Enemy_Check_End:
6 L% I6 ~6 G. t" D% ? - RTS
9 a- v# _- d x! @! q1 X" \1 O! b4 |8 v - - A# d: Y2 {. l4 F9 ]8 ^
- Track_Enemy_Check:7 ?# B( D! p& `0 V0 L
- LDA Time_Count. R! b' H4 n7 A7 O" }( r
- AND #Track_Enemy_Speed) R/ P6 w. @. O6 `# H. d
- CMP #Track_Enemy_Speed
8 v5 L% _7 D( X. O* _- _1 y' g - BNE Track_Enemy_Check_End3 S% F N* f1 K- k
- LDX #$0F. }6 |7 i/ ~4 k9 R" S5 ?5 i# V
- Track_Enemy_Check_Begin:
* V$ H' y! Z. \1 A9 C! A) x - LDA Enemy_State,X" e+ A4 f. V6 {& z0 L
- BEQ Track_Enemy_Check_Continue
' O- A! x0 _0 x& ?/ r' I/ G - STX Enemy_Index
5 S7 r4 H9 @, E. D/ O5 b -
$ Q `0 ^ q$ s - LDA $40
7 ~+ m, i; ^! F8 }. ?3 M - LSR
5 r3 e x# j; o - BCC Track_Enemy_Check_Begin_L1; V% p' G4 j+ o8 q# f5 l* W. J4 Y- I
- / Y5 @( j) v+ |& m0 Z
- JSR Track_Enemy_Ex ;2, 4
2 |7 E) a, i5 S3 @* K9 n - LDA #$00
7 R& y. w/ A; F1 ?3 b+ q - BEQ Track_Enemy_Check_Begin_L24 O9 p+ L! ]2 H& L" @) m. V: L) O
- % S8 Y0 y( c$ h( {, j, r6 m
- Track_Enemy_Check_Begin_L1:
9 v& Q$ x+ {. f$ P* B/ | -
w4 |( ?8 Y) j! l6 d1 Z" T - JSR Track_Enemy
; |6 f* i# x; S5 L% p Q4 B
0 w" P4 g! c+ {0 x9 X* t- Track_Enemy_Check_Begin_L2:+ ]+ |% p0 U( G- }2 r1 R h
-
, |2 _; I e- x - LDX Enemy_Index
. |, K5 T! V! t9 @ - Track_Enemy_Check_Continue:' H8 `2 \# X1 y7 ^: }
- DEX
8 O7 N' k' S! m! y0 G - BPL Track_Enemy_Check_Begin
9 h# Y4 ?( j0 y, ]/ B5 j - Track_Enemy_Check_End:
/ [3 ?) I& X4 S: h( j - RTS3 c R9 {* B+ x4 f% ]% P
- & h) r3 b& r3 e& m9 `* ?, w9 C- C
y9 K4 D* L0 X* e- _- ;查找第一个敌人
6 Z5 x# A- l3 T2 o% U" M" q0 E% z/ A - Find_Begin_Enemy:
; n0 j3 [" |1 `* ~ - LDX #$002 ^% c! r) k0 |: B4 g: X% u6 X; N
- Find_Begin_Enemy_Check:
5 J. i+ L( F2 r/ H, ?4 I' P; K) } - LDA Enemy_State,X) N$ M9 ?5 \, ]
- BEQ Find_Begin_Enemy_Check_Continue0 ^& I6 O4 u2 h# f; g3 K, g
- LDA Enemy_Blood,X
1 h5 O- Y- m. f: o - BMI Find_Begin_Enemy_Check_Continue% ^" G0 `3 F* J1 R0 F
- BNE Find_Begin_Enemy_End/ m7 j2 y$ Z9 `
-
. S8 U( [, \: f1 A - Find_Begin_Enemy_Check_Continue:* W: ^2 `+ b1 T0 x k
- INX
. U+ a' P! B$ J8 H0 T6 L% p - CPX #$10: ?6 n* _! h* p: S
- BCC Find_Begin_Enemy_Check B" M) o! p* n$ r# L3 q
- Find_Begin_Enemy_End:3 z" U l" I6 n" r, A- |
- STX Enemy_Index_Begin
% O7 V/ O0 E6 A5 j' S8 ^ - RTS
# b' q$ o: `) }$ V - , \+ D% H7 g- h7 Y9 k
- ;查找最后一个敌人
- m+ D; C/ C8 [& m) A - Find_End_Enemy:
8 E: R. }2 C! z' ~2 M! [ - LDX #$0F
; ~/ ~! p+ N/ x; X! D$ u - Find_End_Enemy_Check:
( g# b1 ^7 T% w6 ?8 g( ] - LDA Enemy_State,X
9 z& `1 a$ R9 J7 P( `% g8 A - BEQ Find_End_Enemy_Check_Continue, U+ C: o6 o" E* F2 d. K7 h8 ^8 R
- LDA Enemy_Blood,X* B$ M8 @4 _2 \ }
- BMI Find_End_Enemy_Check_Continue
, }/ F9 p) ]; ^% e$ c+ U: E - BNE Find_End_Enemy_End7 d: w0 Z3 V5 `) u8 I; L( J
- $ ~4 _7 Z3 V- {" a' L
- Find_End_Enemy_Check_Continue:
6 o% W, F8 W! C - DEX
( M1 G+ X& P: B' t& n' w - BPL Find_End_Enemy_Check
0 n* q" N, h: o3 f( _( g( k/ d - Find_End_Enemy_End:! ~: s. `! a! q" Z) p7 f- Q$ s
- STX Enemy_Index_End
5 @' e1 B6 {4 ~& q; ^ h - RTS
) ?+ r G$ J' Y& U# l" L0 i - $ y9 B1 a3 p# f/ u( T0 n \
- ;子弹追踪
( W5 J) w. L0 @* d( v7 g - Bullet_Track:3 t3 \9 ~2 [# }4 w" ~5 E/ {
- LDA Enemy_Index_Begin
0 w' b; b, O: \! y - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;6 o: U0 d* `* H5 u' C. }
- LDX #$00 ( P* C; D9 a# {8 U, p. {$ m" C' {
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
) \+ N* \; h7 T2 _, {. c; | - LDA Bullet_State,X( z. [8 C, D4 _; _
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;; n1 r: i9 B( p! r
- STX Loop_Index_I6 e$ D( I+ G/ |
-
) s2 Z4 I3 ^( [3 L7 I- I - JSR Bullet_Track_Enemy
5 ]. M' B" k) I" Q6 |' U, S - JSR Bullet_Tract_Direction
+ W$ {5 s+ q! o0 _ - & V. m. g' O/ I& d8 E9 s2 i, M9 k
- ;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) x7 H) h6 g; F; B
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;& L: I) ]) p6 K/ g: q# T$ G' g
- LDA nEnemyIndex% \. ^$ z, c- \8 f1 R- a
- CMP Enemy_Index_End
* @; T K$ X: U+ w! |- x - BEQ Bullet_Track_Check_Continue: ^1 T Y2 _) u$ C
- BCC Bullet_Track_Check_Continue: F! S2 h0 D* s) j* G
- LDA Enemy_Index_Begin ~# p! d# r) s" u% W
- STA nEnemyIndex8 c2 P& z2 |/ _8 d( U; f" b& W C; J
-
* E" n1 j$ N& q0 `6 i - Bullet_Track_Check_Continue:
* u K4 @7 T3 v& n1 k - LDX Loop_Index_I
: X6 Z) f" G# J/ _0 ?1 S - Bullet_Track_Check_End:3 b+ h. t3 O! A- E% V6 g% o* z7 w
- INX
9 O5 i& m4 e% ]9 h$ } - CPX #$10
: Y1 W4 A3 w( K; J - BCC Bullet_Track_Check
! ^ I, K9 q) G - Bullet_Track_End:6 ~. G1 q/ m6 N% B0 c% O0 \
- RTS
; G/ z8 X8 o1 b& C -
% W* N/ w$ E- U+ s) }4 W9 i - ;给敌人分配子弹
$ w4 C2 n/ n3 f4 e) ` o - Bullet_Track_Enemy:
/ {3 ?; N k5 H5 ` - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)4 y5 P2 ~/ X2 J- C' k
- Bullet_Track_Enemy_Check:
% ^, }- N" o( `& d3 O" p0 {6 o6 F - STX Loop_Index_J
" }7 i4 F: z: b6 p - $ \1 T k# Q8 n) i% v# y
- ;if (0 != nEnemy[j] && -1 == nTrack[i])/ ?( S6 o1 d6 y! N
- LDA Enemy_State,X
3 e6 Q& O+ N! s9 I7 }' x - BEQ Bullet_Track_Enemy_Check_Continue5 N) c1 B* I3 ~7 \
- LDA Enemy_Blood,X$ R( m+ X% x8 c# S# [/ f, x3 u
- BMI Bullet_Track_Enemy_Check_Continue
3 M E S6 x0 ~0 [0 @: } -
r: N( u/ [# D! d" a! m - LDX Loop_Index_I' G; Y4 q( @" o, Y$ y. F
- LDA Track_Enemy_Index,X( R' ^( l5 i5 C$ O: Y9 f' o6 X. c
- CMP #$FF
$ b- l) V- G/ T+ ?+ O2 Q. i - BEQ Bullet_Track_Enemy_Init8 T9 j8 z* `. G) W+ U9 h4 S
- ) g1 a) G x; t* F, e/ Z) x: c
- Bullet_Track_Enemy_Init:4 Q. P- ^6 v' V, U e; ?
- LDA Loop_Index_J$ F) v7 p3 A' `, \0 c8 {! Q
- STA Track_Enemy_Index,X ;nTrack[i] = j;8 u6 V! [: ?+ p: b
-
6 D2 w+ f6 ?7 Z- C' H - STA nEnemyIndex; W, R4 B: U, V
- INC nEnemyIndex ;nEnemyIndex = j + 1;
# e, W% G: \% w+ A4 K% r0 Z - RTS ;break;$ }% M! j0 c% b0 y; V( B( v' C' `
- # K, L) C7 A. D$ n
- Bullet_Track_Enemy_Check_Continue:
4 t. _; p0 F3 D& J - LDX Loop_Index_J U$ E& A! \# e/ [ K0 v/ P
- INX ;j++
3 A" N, c/ P+ O4 g - CPX Enemy_Index_End" S3 |8 z* {' e' S8 R$ K6 a
- BEQ Bullet_Track_Enemy_Check
$ A+ {- i( l, ^" R& Y2 O7 B; d - BCC Bullet_Track_Enemy_Check
3 V; W1 F0 i, ~7 Q - Bullet_Track_Enemy_End:1 z& [4 {4 `4 [ _ `
- RTS
% t* I0 n. B1 e& ~6 D
2 D1 p" ]: y# Z6 c0 i, ?- Track_Enemy:* s# M: F. ^2 k7 N Y
- LDX #$0F
* w! Y: H% p9 E3 D - Track_Enemy_Begin:
$ ?4 u" \ w# t - LDA Bullet_Icon,X
# A) m/ K% [' M' ^ - BEQ Track_Enemy_Continue
~2 O8 }& f' T3 ~( p8 B/ ] - LDA Bullet_State,X
6 {$ n; x' T9 s - CMP #$01- ~- l2 L0 j2 @3 c& }; D2 k
- BNE Track_Enemy_Continue
' E+ b0 ]* ^0 n: {$ P0 F( M - ( |7 {3 `$ ^, U, u, w, \
- JSR Track_Enemy_Process: a l$ F Z% _3 `
- " K3 k' q" u8 F2 S) w! F
- Track_Enemy_Continue:# M6 x( g ?* `7 t
- DEX# l) r/ u. P1 Q* x l) O# x( p4 Z
- BPL Track_Enemy_Begin1 R O) ^- n& y! X m
- RTS
0 N% V" N( b) U7 _ - 4 U, T" k2 h$ ? ^3 P
- ;普通关卡 u# W1 l0 p) c* }
- Track_Enemy_Process:( t6 z9 Z/ ?8 _9 b; y
- LDA Track_Enemy_Index,X
* T# k0 [, K1 L+ E' n1 h1 ` - CMP Enemy_Index
U" q% H: @+ n6 L1 t4 o - BNE Track_Enemy_End
& `" H; o0 M) Y' \ - LDY Enemy_Index
, ~% p* `0 @5 v' O7 c - JSR Track_Enemy_Y' z9 i: _; Z6 K2 f
- LDY Enemy_Index
. d' E6 ^2 E8 g8 T - JSR Track_Enemy_X; t" B6 i. [7 a% m5 ~ Z6 A }
- Track_Enemy_End:
) [1 T; y$ T& `: t" H3 }2 k - RTS
+ _; P" w' J, M+ V, F - : C7 t b) w1 t2 }/ T! G( l
- Track_Enemy_Y:
: n5 \ y$ T% u/ s" C - SEC
X. Z n9 N! P$ ^0 v$ X& Y$ @) A - LDA Bullet_Y_Pos,X
. V% Y- P4 T8 Z4 Z; d% t - SBC Enemy_Y_Pos,Y
! q. ~- K6 q" R% Q" G. _( [ - BEQ Track_Enemy_Y_Equal) m+ p x; u1 m8 {- q
- BCS Track_Enemy_Y_Greater
7 P7 ?* a9 g- p- e% A -
+ t0 c$ P n: i. B* U - Track_Enemy_Y_Less: ;子弹Y < 敌人Y" t$ Y% w+ Y( v( |
- CMP #$FC6 |$ i/ ^* {- b& u( ]% k& }
- BCC L1_1) m4 T3 {3 k% h
- CMP #$FE* y+ F6 K" o! r4 v$ K! _8 Z# x
- BCC L1_2
' y" P7 I. ?, n8 S - LDA #$00
6 `6 Q; i3 d$ s/ G6 Y- c - STA Bullet_Y_Speed,X
) M T/ C' H/ t% c! q; k - RTS
3 E( O8 v3 _, @. x - L1_1: , Q k5 W5 u# W; G$ N- }& y X
- LDA Bullet_Type,X2 L$ b1 G' U; x, Z" W
- AND #$0F
# m. [# Y3 |# q& f# C3 j( k, c: c - TAY: f: y5 R- L1 C$ X1 [* ~$ E" \
- LDA Bullet_Speed_Data,Y* W3 N* w9 r+ P# h/ n* W3 P
- STA Bullet_Y_Speed,X
- c2 ?2 o, ?) U3 J2 G; ]: j - RTS
) d) c Z* O- }4 O7 T, d9 ~
4 @ m; u2 n9 c& c+ b- }; E+ v( R* i- L1_2: ' @5 K0 f. U: i/ [! m' Z( }9 ?
- STA Data_buffer( ?/ V, j6 ]1 v5 n6 G* A1 a9 ^; Z& ~
- LDA #$000 [3 [3 W4 n9 x6 X- T
- STA Data_buffer" |# r7 }( E- J E
- LSR
4 B- v. f( B y! q( a - STA Bullet_Y_Speed,X; H* w, P( z' s+ l' Z; c
- RTS
% R- ?4 g# V! i- V7 a: i6 m0 v - 5 ^$ O, y# u5 X' ^
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
1 `4 c9 S: y& n2 \' M - CMP #$04. C% m: A) h4 m9 b7 N6 q) w/ P! o
- BCS L2_1
t$ i0 U. Q7 r/ W/ b5 i - CMP #$045 l) ^- O9 E0 W& y, d5 A* u$ _" s; j
- BCS L2_26 `. a7 y% K- x! |! v3 \6 W
- LDA #$00
; `! Q+ M7 R5 l' j9 B - STA Bullet_Y_Speed,X& N. C' k# V4 o, q* X' j
- RTS
! Q( O* y" b& K: u7 o2 R - 4 F" c* n" k# X4 }
- L2_1:4 {* q1 h1 \/ r! e2 B
- LDA Bullet_Type,X- w3 l: ?3 |- m1 ^1 s [ w
- AND #$0F
7 O3 W; Q6 }( k1 K - TAY
4 J% \1 B, o) | - LDA #$00
7 W3 c- w) u. A/ i+ Z% |, d& ^* Q" B- z - SBC Bullet_Speed_Data,Y S7 h1 q1 ]) A
- STA Bullet_Y_Speed,X
3 x" K& G& }* ^2 v: }6 d - RTS
0 V C* h( h0 E+ B4 V - ! c1 x& g+ [* v
- L2_2:
& v9 B" J0 a2 E4 O$ c2 g5 | - LSR
. |2 @6 `& J# t# Y: j - STA Data_buffer( e* I# U2 G' _" F
- LDA #$00
9 R8 b# |& Q0 l8 F+ ?: t( V/ p# T0 I - SBC Data_buffer- O, E4 T7 A6 _/ J* j! Q: ~
- STA Bullet_Y_Speed,X
& k j/ [) o* |4 V D+ ? - RTS
6 k3 w6 t& x$ p: ^2 \ ?$ p7 _# i - / Y3 p7 n1 M; @2 R$ e2 n& B! }' M
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y# ?, @( T' a' M
- LDA #$00
; ~7 Q& c9 [) _9 }: d& i - STA Bullet_Y_Speed,X
7 n L$ m; u: g8 N - RTS
3 C/ v e4 x1 E4 f. I" P9 ^1 x -
6 Y8 y: I E' k5 p - Track_Enemy_X:% y( h ^" t; C, ]& R& g+ ^
- SEC* v0 n5 n ~& [& F' s
- LDA Bullet_X_Pos,X% G0 N' V) d' M, z, B
- SBC Enemy_X_Pos,Y
; R: B0 h, L7 a$ n7 f1 }/ g& @ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
# n% y/ b) A' ^6 O- t; i! j0 o; l* {" v - BCS Track_Enemy_X_Greater ;子弹在敌人下方1 O$ r3 n! O* c- {
- # d0 g: i! e+ Q
- Track_Enemy_X_Less: ;子弹X < 敌人X7 b4 r/ j9 Q6 W2 C
- CMP #$FC% T9 |+ h3 L1 S- d) M, X: Z% m
- BCC L3_1
6 }. I" F& Z0 x, b. ^8 q3 U$ y - CMP #$FE
/ e& m/ y3 g2 z6 I# [" K6 j( ] - BCC L3_2# n' o9 v6 f% [& L1 w0 x
- LDA #$00) S3 G$ \' ]. m+ Z7 ~, c. m
- STA Bullet_X_Speed,X
9 T( r( l2 Q, a8 h0 h - RTS
5 `7 f' X, Q9 M0 a! K. D% t$ Q) } - L3_1:
' A5 A" L8 ^4 }7 C) n6 R! }' E - LDA Bullet_Type,X
& ^$ M- @. K) R7 {2 I - AND #$0F' |0 j0 U' F, E/ n Z' X2 [% z
- TAY
7 h- p1 ~! |# v$ u - LDA Bullet_Speed_Data,Y
* _0 Z+ O) h9 i! ^1 @; Q0 p" _ - STA Bullet_X_Speed,X
: c$ c. O1 ]; s$ f( N! C7 h+ I6 q - RTS3 K: m: B2 p/ C2 D. N/ ?4 x o
- L3_2: + V! ]/ V/ e. Z$ a7 u2 X# M
- STA Data_buffer
; v% T0 B# b/ ?$ g - LDA #$00, k; W8 e4 \- k* h5 c. z M
- STA Data_buffer8 n7 t9 h3 m5 m( R* ?1 w
- LSR* M: l4 [% p. {0 U: \) X/ `
- STA Bullet_X_Speed,X1 O a! b! ]5 m+ I5 |
- RTS, h0 C# v' N# g4 [# D
- ! m# ]& \! L: ?9 Z
- Track_Enemy_X_Greater: ;子弹X > 敌人X
" _1 x. D6 e2 E+ b9 \ { - CMP #$04
5 M$ O6 _7 u+ x! h6 y& J0 C5 i - BCS L4_1 y& F( p' \8 s
- CMP #$02
7 W4 g& Y" j ^' `' }5 A8 L - BCS L4_22 Q0 D& ]0 D( U9 G% o) d
- LDA #$00
4 l6 F5 y! d+ z - STA Bullet_X_Speed,X+ r! B$ j+ a u* B; h
- RTS8 M7 \2 @3 u2 F# b* q* w# z3 q
-
$ R5 p. [( a3 u: W% I' ~3 ? - L4_1:
& \7 U) S5 K' y+ s& @2 Z - LDA Bullet_Type,X
+ B k8 l+ I: N - AND #$0F
( N2 s$ ?0 k; q7 k- P - TAY6 J7 L, J: w7 c4 i
- LDA #$00
T* g! L! T) Z& F* Q+ p8 ? - SBC Bullet_Speed_Data,Y
; O3 a, J5 H$ c/ x/ f5 Q" T6 o - STA Bullet_X_Speed,X9 Q6 |* Z) H$ x- ]8 ~4 l% ?+ s+ ]
- RTS* h) ]0 O: e) u: V) t
- L4_2:
1 I) l+ s$ Y, w) O: C - LSR
9 S6 v* A X( w3 ], S8 O9 t - STA Data_buffer9 [) w! L1 a2 V6 [' o8 _# x
- LDA #$00* P; @) P% f' c% y4 s
- SBC Data_buffer
, W- Z) y0 T$ N7 x) X* M4 l6 s - STA Bullet_X_Speed,X0 ?! r1 S3 X0 R# L
- RTS) L6 _ {( n2 E9 {4 }7 V
- 5 Z, |5 M' G% h7 u5 P" T
- Track_Enemy_X_Equal: ;子弹X == 敌人X
/ k3 r- i) m6 | r - LDA #$00
1 W3 ?- z$ Z+ P/ a# P - STA Bullet_X_Speed,X
. v+ u# p' \# K- I - RTS7 [: F& U& x4 c2 H7 |
- " a0 P, h* s! A3 D! \# A% w
- Bullet_Speed_Data:, B) \2 T4 I* k. H- B/ A2 J
- .DB $00,$03,$03,$02,$03,$036 q- u- e# P* k
- . n# n% w( x% N1 A
- ;2, 4关) H$ k# Z7 q u6 b4 E/ q r3 ~% e. j
- Track_Enemy_Ex:, ~5 h2 M. I7 y* `, j9 c8 u. g
- LDX #$0F$ x2 L8 j8 r$ j+ F8 v. C- u
- Track_Enemy_Ex_Begin:
_5 u1 a. e7 g3 o
) o- ^/ M$ A8 h& W U7 K- LDA Bullet_State,X3 m' c3 D4 i- k+ Y1 U. L
- CMP #$01/ q+ e& H% k6 y& r' W8 ]
- BNE Track_Enemy_Ex_Continue
: M9 G6 B6 t% ?3 O0 ^$ q - " n1 X. U3 N8 L z: {+ E
- LDA Track_Enemy_Index,X
1 k6 m& r. N$ g& p- k - CMP Enemy_Index
" R6 k6 W1 M( H# c3 k/ {- p+ I - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
3 m' E; Q. ]$ ]( d O -
8 l- ~$ |: o9 f - LDY Enemy_Index
* z9 w$ o( [' z5 M7 ~, b' b - JSR Track_Enemy_Ex_X$ w z$ _% S, e- U7 x7 \4 e- z4 E
- 8 x* j( c7 ^5 ]1 l! y k
- Track_Enemy_Ex_Continue:8 R+ j3 W0 g2 i/ \+ `8 R: M
- DEX
. R, ]" u3 w( m& j" L - BPL Track_Enemy_Ex_Begin; X0 x9 d, ^9 b7 ]: F2 Q
- Track_Enemy_Ex_End:7 a$ A& ]. d& F
- RTS$ v8 O; n; g: s3 N- b" A) l
-
% |0 L5 f1 a# w( x# o; o H1 z - Track_Enemy_Ex_X:
O& v, L' l; R/ \7 ?& Z* m - ;LDA Bullet_Z_Pos,X
; E$ U4 ]! G1 y% L6 I9 B, R - ;CMP #$045 W g C- Y+ I( \) C2 D1 j
- ;BCC Track_Enemy_Ex_X_End
" A, g8 ^# }9 X$ @: k! j - SEC
- |# G5 i5 Q; b7 \3 Q+ k/ g, F9 E - LDA Bullet_X_Pos,X
Y8 O0 h6 j, Q3 D2 N - SBC Enemy_X_Pos,Y) k' f* n* e( o& Y, V' c& v
- BCS Track_Enemy_Ex_X_Greater
( }; V6 V; f5 X) y2 `! D7 o -
3 }# D7 y2 |0 o& P7 U$ N5 ^) t X+ X% m - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
4 M8 q0 L5 v) _ - CMP #$FD. f, _1 }' [& b8 Z6 L$ `
- BCS Track_Enemy_Ex_X_Less_End6 z6 u- [7 A/ V- h
- LDA $6020,X" `' K4 O& t8 J }' U' o# u' H
- CMP #$2A
7 d- Z3 q- Z2 y7 H) { - BEQ Track_Enemy_Ex_X_Less_L1 U( z0 e2 s. v2 a( C/ T0 b" o( |
- LDA Bullet_Z_Pos,X
$ q: H6 B% |8 Y+ C5 {& g - LSR$ w2 ], W8 h* u1 J D
- TAY
4 p. P# X" @& c3 @- P) ~! a2 s - LDA Bullet_Speed_Data_Ex_R,Y$ r0 @* M8 \# K, F W
- STA Bullet_X_Speed,X* K- r% F3 a ?* K/ O
- RTS" c% W; ~4 Z6 z' N v7 \
- Track_Enemy_Ex_X_Less_L1:
; _# w. N. m1 `& J- [ r9 b' m
; a7 w$ u; Y l- M- LDA Bullet_Z_Pos,X7 k: ^! B+ a3 x" r9 @3 Q
- LSR% ?% N0 a. P( ~; s& c
- LSR- `0 j5 h$ K& Q5 B# {
- TAY
' x" N) l+ |; o - LDA Bullet_Speed_Data_Ex,Y
8 V- O y$ C% A. I - STA Bullet_X_Speed,X2 d) X! w& f; c4 }% O
- RTS/ o6 O) r- `, n) F
-
" z* X* p& q1 Y9 ~0 j - Track_Enemy_Ex_X_Less_End:% q0 P0 p/ F* m1 p& z, C
- RTS' h) y% {8 d3 }; J
! ~5 o9 z, B9 f) J9 b& q8 f& h2 A- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X) P- M* ~8 M; ~( U
- CMP #$03
, s* |' a3 s, F$ M$ p7 V8 D - BCC Track_Enemy_Ex_X_End$ X* b; Z5 U- I8 g. a+ A) A
- LDA $6020,X
) h5 |$ e* E, A. P! k1 z2 ~2 \ - CMP #$2A: e- A- ]& g+ b4 d$ p6 G u6 Q$ S! W
- BEQ Track_Enemy_Ex_X_Greater_L1
8 z2 a9 e) y: O5 t) d/ h2 H - LDA Bullet_Z_Pos,X7 ~% H6 a! S5 Q& V! x# H
- LSR
* ? C/ b3 b- `4 o" `0 | - TAY
7 _% S# ?" {. r. o' J; Q2 j4 d - LDA #$005 ?% a! A i d" e, a6 L
- SEC
7 e0 v. a; j" x- y4 O+ o' q+ E - SBC Bullet_Speed_Data_Ex_R,Y6 j7 O6 w4 ]5 P5 ~" g1 \0 j
- STA Bullet_X_Speed,X
/ ?! S* k3 c9 t; s - RTS
5 p7 v. k* n" U% J% ~7 H, d -
; f; H( c( I1 z% E4 Z1 m) V# P4 s - Track_Enemy_Ex_X_Greater_L1
5 K; P) b3 p7 x2 ]6 h% A - LDA Bullet_Z_Pos,X
2 Y$ C9 _/ Q# R - LSR
$ G) f5 W) u2 Z5 E! M$ H - LSR
- i* G2 |& k4 g: Y2 h# N4 T# m - TAY
6 G' ~) k4 c- n- f2 d0 d - LDA #$00
) b* W! U+ `( N7 i/ J8 D - SEC& a2 c# q" k- H8 Y
- SBC Bullet_Speed_Data_Ex,Y
+ u/ l6 |$ @/ ^+ c$ _ - STA Bullet_X_Speed,X
, U6 o: a5 C/ q. H6 ?( K - RTS, n. m6 ~ n! L' V: R( ]# ]
- ! @; W9 x' Q4 T5 ~/ m
- Track_Enemy_Ex_X_End:% y6 B9 D, q" C$ Y i
- RTS
: N) q4 k/ J/ M" F - : h0 D; z/ A3 ]
- ;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)1 O6 d8 Y9 }" u, K. G
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
7 v7 y* A& b4 U4 Z3 c4 Q - Bullet_Tract_Direction:
3 i/ ~1 H. Y3 d - LDA Bullet_Icon,X
5 O3 ?7 q: ~ B - CMP #$23% u" |1 c* c6 d8 c0 `
- BCC Bullet_Tract_Direction_End
0 ] W z% I& z -
4 N/ h% _4 v$ `6 K0 y - ; X != 0
1 I8 ~6 `& ?" O/ b/ [. ^1 ~ - LDA Bullet_X_Speed,X
3 k8 {% z7 L. `, z - BEQ Bullet_Direction_V! D1 |1 p) p2 A! _
- 5 r/ H5 I' L. |3 p
- LDA Bullet_Y_Speed,X
8 E; h9 F0 Z8 ]- Z$ ]3 V2 a - BEQ Bullet_Direction_H
8 g/ A" b' m5 A. N+ j( U -
8 M1 B7 }5 j4 g# { m - LDA Bullet_X_Speed,X6 F' c* H; Y5 B3 s
- BPL Bullet_Tract_Direction_Right
! U2 j. |! P d) b$ E! b - Bullet_Tract_Direction_Left:
; t; w2 N- b; j" _ - LDA Bullet_Y_Speed,X5 g, `* U% v4 {! w
- BMI Bullet_Direction_Left_Top% b9 c5 `$ G" ]3 t, P" ]1 a1 F! L
- BPL Bullet_Direction_Left_Down
! p4 ~0 A! Z" z/ T% Q- y4 Y - Bullet_Tract_Direction_Right:/ _5 e4 ~* a! v r$ G- [
- LDA Bullet_Y_Speed,X
/ \5 l2 ^, G) _ - BMI Bullet_Direction_Right_Top* h4 J# q4 @9 L) c$ f& o
- BPL Bullet_Direction_Right_Down
+ I2 d2 Y' w+ E& _4 e - Bullet_Tract_Direction_End:
$ J" g1 N- `4 j. |* v$ } - RTS
6 r4 ?: [3 A6 U, v' q- y, [
& I) G3 H: I% E9 I; X- Bullet_Direction_Left_Top:
4 _* g% ^% z- W - LDA #$25) M0 w; s: N. S' l6 C% T, u+ B3 N# a+ `
- STA Bullet_Icon,X' S2 d% I. v$ Z
- LDA #$C0
$ d& F6 k4 f; f1 ^! a! H* @ - STA Bullet_Direction,X, N- ~) p/ q( v" E
- RTS
) d( L ]" e$ @3 M5 b, ^ - 1 n; \ S4 g4 @& e
- Bullet_Direction_Left_Down:
L! b4 J4 a) o+ T - LDA #$25
/ g+ Q; l; Y6 B5 P5 x - STA Bullet_Icon,X" ], K0 c0 Q2 D% Y5 _/ |
- LDA #$40
: r: i" ~* J- Y! x( W- E+ g - STA Bullet_Direction,X8 K! B8 Z- @1 Q: [
- RTS
, E2 n4 |! q2 T+ q5 U - 5 {# [ s1 {$ t0 E1 n
- Bullet_Direction_Right_Top:4 m6 s7 _6 ~, b W' m9 h h
- LDA #$25
- R6 N& i- N3 ~; ^3 T& J6 } - STA Bullet_Icon,X+ z2 s* I% j. ^ M. I
- LDA #$80
( Z$ ~/ f( M, I* m - STA Bullet_Direction,X
R3 Q9 v6 e8 c- n - RTS
, n: }+ R: {7 o+ N# t6 `9 D - # Q* K* M' O% b# B) ~ o I0 Z
- Bullet_Direction_Right_Down:! s1 @3 a( @% I& H9 @2 D- L! }1 ?
- LDA #$25
# ]/ X" d8 Q# K$ I - STA Bullet_Icon,X
" K( I: z4 Y2 Z- ^/ ~# R4 c - LDA #$00
! h" V- C4 R. [ - STA Bullet_Direction,X
! P0 i6 M% I+ }7 } j9 `7 ^ a - RTS
7 ]) a& z2 K' h$ W
9 ]5 \. L) ?( }! H- Bullet_Direction_H:% y& Z1 z3 |/ \& k
- LDA #$245 w" @# P, Z" E8 u
- STA Bullet_Icon,X
( I& B+ X( @8 H6 A& E" {2 i - LDA #$00# T/ u. U' m' d0 P2 O) x
- STA Bullet_Direction,X6 G- ~+ ]( v0 z3 |5 e
- RTS {# X! c X6 X+ l8 d* s3 p
- " V& Q: H4 V( j5 A0 G) w
- Bullet_Direction_V:
4 E6 L+ a) `' h% b - LDA #$23
! \) {, b) H, q+ g& x- S" j& K+ T - STA Bullet_Icon,X4 v7 A& w! ~/ f" W' Z6 l* |
- LDA #$00
( A/ i g% t1 e# g9 R0 u5 G' Y2 [* [ - STA Bullet_Direction,X
" |, M2 g6 k4 w! p0 ?0 C; E) i5 [ - RTS
. f6 o4 }* V9 \* _
- W( g$ L! T: i9 l5 h p' q- Bullet_Speed_Data_Ex:
+ }5 ~) `( o+ Y# { |5 W - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
' m: n6 S3 {1 K! N" I -
4 g( V, @3 C2 C* H - Bullet_Speed_Data_Ex_R:% f6 [4 Q( Z }/ x6 ]0 U4 E6 C
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08# o8 l. h! H0 }) V9 P
-
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