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[FC][魂斗罗][J][追踪弹]
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4 P8 S8 o$ H8 F( l2 I# L时间:2023.04.30" m1 Z) M8 w! c. _
作者:FlameCyclone+ m( e- ^" o! m; {/ \3 S4 b& G
内容:
( M/ H; ~2 _3 m% z 1. 所有子弹追踪敌人
4 y: m- C) h9 N: k 2. 选择键切换武器
! L6 W( W" T9 _2 O- I 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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7 c( {3 Q3 [) |6 n5 Fflamecyclone.ys168.com
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4 m" @1 g; A8 P6 [9 Q6 v$ u- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁( {% I Y: ?! }+ Z: D* K
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L, W4 y6 N0 U) F- Z- Z# {
- 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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2 j% h! ^+ P/ e9 _9 {- ;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)
5 `! B7 Q5 {% h! F" f - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
8 I& K9 m/ R: l' c
; h' h4 A$ D- Y$ ~5 P6 @- Track_Enemy_Index = $6000
" t: x1 _: r8 C6 O& e* T. R3 q" R - Enemy_Index_Begin = $6010
1 V8 `) _/ p( }4 d- Q0 K - Enemy_Index_End = $6011
0 J: a2 s/ L, u3 q# f - . m, E5 x+ C0 R2 x( w0 G
- Loop_Index_I = $6012& f5 b' w# }5 Z& [: u# n- V
- Loop_Index_J = $6013
8 x& k& d, ~6 N9 s - nEnemyIndex = $6014! K7 q# U8 \3 s* I; ~$ Y
- Data_buffer = $60151 m* S+ S6 n$ J" y
; \* Q0 a3 a# N5 p G: U- Bullet_Y_Pos = $03B8 ;子弹垂直坐标6 e& e% X* y1 d" {5 B
- Bullet_X_Pos = $03C8 ;子弹水平坐标
9 j! s5 N9 \& j* c6 }5 f, Q - Bullet_Y_Speed = $03F8 ;子弹垂直速度2 n1 J( ?0 O4 l& X j
- Bullet_X_Speed = $0408 ;子弹水平速度2 @3 n# n, D" @# X
- Bullet_Z_Pos = $0418 ;子弹Z坐标; {; \! r. z8 q- i
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P2 C7 Z T% d; i. I
- - c4 b3 c% }" o" \
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸0 A I1 I! T$ L) F* R
- Enemy_Blood = $0598 ;敌人血量
+ d0 y2 C B' G3 t9 d4 h - Enemy_Type_Addr = $0528 ;敌人类型4 [5 K% |# m" N% L! C
- Enemy_Blood_Addr = $0578 ;敌人血量
2 Y- R4 Q' ~; g, K* ` - Enemy_Y_Pos = $0324 ;敌人垂直坐标, x j4 s8 a# n
- Enemy_X_Pos = $033E ;敌人水平坐标
# c3 s6 C5 Q& B4 X6 [ - Enemy_Y_Speed = $04E8 ;敌人垂直速度' ~( I v2 \$ F, u' ?
- 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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- D. m9 h. M& h) y/ t) ?- Enemy_Index = $83 ;
: o4 u# ~* ]- }( f" H7 ?7 a7 Q - Time_Count = $1A
* w! t0 n+ n8 w4 s9 Q2 R: ` - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率0 q" w4 \" }/ C* f
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率4 |0 u7 V$ _, D m
$ U1 A1 G6 V( b* r. {- ' t* W! w# z) W1 u( g
- .ORG $61001 @( `7 ?9 ^# m0 c1 q1 m
- Process_Begin:
1 R$ \ k! @' M# C4 u) R8 V - JSR Enemy_Check- z. h/ B- m! g3 O
- JSR Track_Enemy_Check3 x8 |' R' y1 J( t1 `7 u$ l1 r
- Process_End:& o: I$ A- j2 t+ N
- JMP $E54F
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' {/ Z; E1 a& ?8 i) f! \" O2 i- Enemy_Check:& o' r; a0 D% ]3 H1 X1 u3 {- n
- LDA Time_Count$ A2 [9 p) V. L! H6 y/ y0 @" u
- AND #Track_Bullet_Speed
5 r0 |/ r+ t, T3 q; Y, p7 g J - CMP #Track_Bullet_Speed
" Y. r- U) b, R; y7 `2 E - BNE Enemy_Check_End- M5 v- a4 {* F6 e* \: M5 l0 b
- LDX #$0F" p% `+ B1 Z% e; k- o @
- Enemy_Check_Begin:
0 {1 a! X- d7 s @; a- | - LDA Enemy_State,X
. t8 q1 `0 @3 V% n2 `( w- Z' g - BEQ Enemy_Check_Continue
+ `" n# x7 `* n+ S - STX Enemy_Index' j1 @/ Z5 L4 M: g$ `7 u j
- JSR Find_Begin_Enemy' ]& \$ g9 a, h; O% Q( B
- JSR Find_End_Enemy
7 a6 L/ Y4 ^$ s& g/ W1 e - JSR Bullet_Track
& Q6 q' G9 d7 m) T+ t1 B% } - 8 m9 k G5 i) z+ J. y; P
- LDX Enemy_Index
2 w+ X+ C6 n# i; \ - Enemy_Check_Continue:7 E# s6 \# D, \# Z( U
- DEX
+ N4 R( ^( y. f5 o$ Y - BPL Enemy_Check_Begin
% |) `5 T! E/ L- e4 I0 ^- l. n - Enemy_Check_End:! W3 P T+ I7 D1 j
- RTS
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- Track_Enemy_Check:
! T" b7 }6 L' b4 L, I - LDA Time_Count9 s8 c4 s3 r+ b* H* b/ k8 n" w
- AND #Track_Enemy_Speed7 y, T4 `$ F5 t$ H5 M
- CMP #Track_Enemy_Speed1 m. W/ f2 C6 Y, m
- BNE Track_Enemy_Check_End6 V n. t7 E- y) \ }$ j7 m4 J
- LDX #$0F
) @4 u8 @ k+ A9 Y& j - Track_Enemy_Check_Begin:. ?: u% J, u0 X! y3 Y
- LDA Enemy_State,X2 v, j& l( L# z& ]6 ]# N
- BEQ Track_Enemy_Check_Continue
3 b' [3 p7 O+ H, w/ b - STX Enemy_Index
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# M+ L* A; C O3 L- n+ \ - LDA $40
( ?) y# b7 t& x! S2 O; ]9 I - LSR
) s+ f. d0 |4 c- x! a% ]" I - BCC Track_Enemy_Check_Begin_L17 M2 ]( s% i8 e
- * { b2 n. s7 @5 `
- JSR Track_Enemy_Ex ;2, 4 {# \# `) a8 `& V1 V/ E
- LDA #$00
5 i" D. U9 C% n5 `5 L; W - BEQ Track_Enemy_Check_Begin_L2( E2 E) ~; V8 D. I; w
-
! Q' _; d5 F' ~/ e( l - Track_Enemy_Check_Begin_L1:6 ]% \( Q5 f( f. R+ @
- / C4 ~2 s! h# Z& j; m
- JSR Track_Enemy4 Q( D: H$ h0 V) o1 w- s: _
- / m3 z! @6 E& x
- Track_Enemy_Check_Begin_L2:3 C' M* K& D2 J3 t9 u( O1 F
- ) {5 N+ q0 e% q- i
- LDX Enemy_Index
* n1 o/ d9 }5 B$ X$ C- Y+ N+ T `# u/ V - Track_Enemy_Check_Continue:$ h$ u a! c5 C# Q; W* b' |
- DEX
6 W* w" }. G; Z* Z* y; F - BPL Track_Enemy_Check_Begin, D& N$ Y/ u4 W& O2 U. V! O
- Track_Enemy_Check_End:
9 a+ x5 w6 U0 l$ J1 \; M - RTS
0 N: a& b$ n4 K" Y - + n o" g$ N* ^) j1 j2 ~2 L
+ m- K: I" i4 C" K j$ z- ;查找第一个敌人' r8 v9 p$ V: ^+ F# ? C
- Find_Begin_Enemy:
/ P1 u5 v* C& D" Y& x7 A( R - LDX #$00# T8 s9 Q6 M4 s( V M2 t
- Find_Begin_Enemy_Check:
6 k* t7 b* w, Y$ r" y. @6 U - LDA Enemy_State,X
0 o7 O, E6 S! ~5 | - BEQ Find_Begin_Enemy_Check_Continue
) m8 v" `+ [8 b* N3 S" x ? - LDA Enemy_Blood,X
' p# t! V: H0 J; K* f - BMI Find_Begin_Enemy_Check_Continue
' ~! a( h4 ]3 B9 y4 O9 R0 i - BNE Find_Begin_Enemy_End
! {9 I$ Y4 A* {0 ^! G' ?9 q -
' Z; B7 S. `3 C' Z" Q& y - Find_Begin_Enemy_Check_Continue:
/ E! n; J: s' ~3 A i8 m - INX% |! c" @2 s- h+ |& h, n
- CPX #$103 E% u1 \5 I4 L$ Q6 o7 j
- BCC Find_Begin_Enemy_Check
+ l6 U2 R1 D. ?$ s( t- {$ c - Find_Begin_Enemy_End:
% x! e( A6 m9 V8 d. G - STX Enemy_Index_Begin
! Y! J/ F5 @0 |8 H- z - RTS
, F9 W1 s2 C m! Q% W9 z6 A* S7 {8 k - 7 p+ z( w, y6 E* Z1 c
- ;查找最后一个敌人( W; L4 | f+ Z; v2 r: l! n
- Find_End_Enemy:) ^6 T, s ], U
- LDX #$0F
9 r* H; V l" T. |# ^5 r - Find_End_Enemy_Check:
. ~8 p4 Q+ C L5 ^ - LDA Enemy_State,X
9 g' T0 r7 i# | - BEQ Find_End_Enemy_Check_Continue
9 C/ h3 _& r9 h. m: n' a - LDA Enemy_Blood,X9 X9 w/ d+ R8 S9 {* f" q+ ]
- BMI Find_End_Enemy_Check_Continue
6 ~& k! p- u9 h V/ D; C; ^0 g% a - BNE Find_End_Enemy_End# l* b+ r) ]: {# G2 k+ u
-
t1 y0 ^& V1 a. q, q! | - Find_End_Enemy_Check_Continue:
/ |* u; w, f3 r! o& E - DEX, N) h/ b- d( a5 H+ N) z& s
- BPL Find_End_Enemy_Check
% `& |4 U6 X! P0 F" E+ d! { - Find_End_Enemy_End:
) Y6 J. e! k4 _3 O; M u- V* K( N - STX Enemy_Index_End# w2 G# x! n, P
- RTS
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- ;子弹追踪
# F( v2 U: P* a) C- A - Bullet_Track:! O# l: J; V) ?1 N* J
- LDA Enemy_Index_Begin; s$ k3 T1 m: }- E, C
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;7 ?1 n$ s" @" M( {% X7 b5 l
- LDX #$00 4 n! X6 Y/ h4 A- y
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++). V4 @8 H; a5 e3 J- K( q. |* f
- LDA Bullet_State,X+ x! ?' J4 e' g& I6 g* p. y/ M
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;; ]+ G. K! e f4 b: n2 j
- STX Loop_Index_I0 F5 @; G5 G! w. \ e
-
" t/ Q9 Y, O5 L! \ - JSR Bullet_Track_Enemy8 s/ M% i" O( m _; }
- JSR Bullet_Tract_Direction
8 j ^6 G. T# G+ i' ~ E -
; i P3 z4 J; o4 z( a8 T, T - ;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
9 q. Q+ O2 O* K" C - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
$ _- p j* y" _+ n1 n) H) L - LDA nEnemyIndex
8 F8 C! G6 G5 f& ~ - CMP Enemy_Index_End
5 M- q7 V* r$ A5 ~ - BEQ Bullet_Track_Check_Continue: j: t x8 ?, G' W: P% J
- BCC Bullet_Track_Check_Continue; o7 [1 {- ^, d: `3 U
- LDA Enemy_Index_Begin1 G1 U( e9 J& i/ F' k8 x& C
- STA nEnemyIndex. y. }- Q; q" p
- D7 @3 ^2 z( O' _$ g- I1 S
- Bullet_Track_Check_Continue:
% y3 X9 Y. |" @& B) | - LDX Loop_Index_I
. j7 S9 ~5 o. a" t6 Q1 ]. \) E% L - Bullet_Track_Check_End:
0 ^9 S1 K8 d1 I6 f# F% O1 H& L2 d - INX- g C/ o- a2 f+ p/ j
- CPX #$10
2 t& u7 O. T# |9 [4 J - BCC Bullet_Track_Check! b! D; s0 H8 r/ Y0 B
- Bullet_Track_End:3 A. ?: h* Z- e" W
- RTS
5 ^+ I; { k' w( J! R6 {: I -
: G* d& D) ^ i6 Y. K: x3 P8 C# T - ;给敌人分配子弹* f. ^$ |5 F# O0 a
- Bullet_Track_Enemy:% ]1 \+ j3 r( }2 m* \
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
# H+ ~$ S2 p9 q5 F" l; A - Bullet_Track_Enemy_Check:1 s0 Q' q) x; ]
- STX Loop_Index_J
7 H+ s4 T& h' z: e; n9 m -
- X9 g" x+ U* B" Z5 m" t9 ] l - ;if (0 != nEnemy[j] && -1 == nTrack[i])
( d# q2 A& e/ Y+ n, ~ _ - LDA Enemy_State,X5 N4 b( I F) I: @9 F w5 |. ^6 e
- BEQ Bullet_Track_Enemy_Check_Continue8 |: Y' t( V3 J) j& }; M4 ^, \/ _) G
- LDA Enemy_Blood,X
; [+ g/ c( I* Q/ o4 G1 O - BMI Bullet_Track_Enemy_Check_Continue. F* J# a7 X/ G" v
-
: B/ w+ O( U) b/ y; m4 ` - LDX Loop_Index_I7 Q: ~8 x2 m. Q9 h+ Y0 Y
- LDA Track_Enemy_Index,X
- l: G2 m1 {9 ?( Y: H4 c" {+ I - CMP #$FF
E( F! M* L: z: \* J+ X - BEQ Bullet_Track_Enemy_Init
& |7 | {* m: C" R - 6 j: z6 a& K* T3 ^! ?$ }
- Bullet_Track_Enemy_Init:
" j5 E! ]/ i) m6 `% M" l. s - LDA Loop_Index_J0 m9 d* g! t* X
- STA Track_Enemy_Index,X ;nTrack[i] = j;
5 h; G1 D: N# A4 q0 _ -
~8 O m6 w% j( \' c - STA nEnemyIndex
6 P0 s" u% L, x7 \# ? - INC nEnemyIndex ;nEnemyIndex = j + 1;) b5 j( }5 s0 h" H
- RTS ;break; B5 r- ?/ t$ ~, H* D
- + _& P2 X. E6 p( L( g( K8 x
- Bullet_Track_Enemy_Check_Continue:3 p6 a* c0 h" g0 N5 W8 o
- LDX Loop_Index_J+ e+ b e U- h
- INX ;j++' L/ i1 k3 x/ \8 r# w: B
- CPX Enemy_Index_End
$ Q, |, A3 j1 G: l( X - BEQ Bullet_Track_Enemy_Check8 n, f. z! U9 K0 |% K7 y
- BCC Bullet_Track_Enemy_Check
3 a! ?+ x/ F4 X+ Y$ y! a N$ n - Bullet_Track_Enemy_End:. `7 Y6 z; @% C, c6 ?( C
- RTS
U) r; V0 Y" Q - ) H" N0 M/ g$ `8 k& b# x1 [
- Track_Enemy:9 X) m. |) l* S! o5 c/ j0 N
- LDX #$0F: V( B% H' i' Y2 x! P
- Track_Enemy_Begin:2 @( A. M5 F$ K
- LDA Bullet_Icon,X
: U9 }$ r$ d8 I3 {, W9 j - BEQ Track_Enemy_Continue+ E: I1 M1 {/ S! ~5 T6 ~
- LDA Bullet_State,X
/ [# ^0 Z$ g# Y1 L% F - CMP #$01/ F1 V' Y4 o7 a8 S: ]) \
- BNE Track_Enemy_Continue5 p0 l1 ^3 J5 c2 y
-
9 B& H2 }* V3 ?9 ~2 Z7 k8 d - JSR Track_Enemy_Process
: c i7 c; Y. z5 H- U% _/ z - 7 H! Z0 {/ ? G4 M
- Track_Enemy_Continue:
" S$ U. f( r( D( _5 m - DEX
# w' A4 v- R2 G6 n7 N# x - BPL Track_Enemy_Begin
: C7 Q4 l# c( h! M6 ~ - RTS
0 V+ e0 [5 w- e: ?
7 i" a# _: y+ _4 [6 [2 z- ;普通关卡
; K8 W# M) h x6 h' v - Track_Enemy_Process:
6 Y0 v) H7 n6 j. f* R3 y' B - LDA Track_Enemy_Index,X5 J7 r4 i# v: P
- CMP Enemy_Index
6 f! r: N2 H) d2 h, P - BNE Track_Enemy_End
l- s7 Z3 p* W0 L- A - LDY Enemy_Index
3 g3 F0 U1 d6 B- b/ t - JSR Track_Enemy_Y9 o; }4 I/ @. w4 j. ~7 r$ K' \
- LDY Enemy_Index; `- Y( U) H/ }
- JSR Track_Enemy_X* f' A! Q ?6 I- y
- Track_Enemy_End:
! N" {1 r* N/ M3 y- E - RTS
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- Track_Enemy_Y:
7 I2 M( t2 G$ E - SEC. s. U* g% @2 _3 u# R& S5 k
- LDA Bullet_Y_Pos,X- p8 U+ {. Z" C0 Q9 f
- SBC Enemy_Y_Pos,Y
7 g' X, l+ m* @ - BEQ Track_Enemy_Y_Equal
* j: n; E( D$ K+ g; M - BCS Track_Enemy_Y_Greater
8 r- B3 h, B; d! i$ S ^4 E9 L - ) W0 e) l: Y+ D
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
. m4 z! O4 x1 p' K/ e$ z - CMP #$FC9 P5 G/ b5 ] ~' ]! t4 t& N
- BCC L1_1
8 J7 v5 B, G- F/ ^5 ] - CMP #$FE+ {; g6 m+ c8 a' l7 F5 c
- BCC L1_2
' N4 y" w# X' t+ P+ R - LDA #$00
+ a* l x" ~! s0 z6 j - STA Bullet_Y_Speed,X) D4 B, [1 ?+ c: o9 t
- RTS
5 Z) o; X& r! l4 e# z) `( Q - L1_1:
6 n4 A7 q+ _1 Y' g8 v# J9 L0 |& V, z - LDA Bullet_Type,X8 s6 S8 K2 g T4 X7 h
- AND #$0F8 s+ G% Z5 o6 r: N
- TAY
) A( b; T" L n7 r n- | - LDA Bullet_Speed_Data,Y
0 F! Z+ o5 Q0 b% E2 b. ?/ p5 M - STA Bullet_Y_Speed,X& x! f1 r3 u; V+ S2 w
- RTS( A- u- K' B$ X' @& m7 G- _
' q+ Q0 E8 g- F6 Y! s/ C& Z- L1_2:
- \0 F* m+ \% r' X' k( q5 k, W" Q - STA Data_buffer$ i% Z; I8 b# @5 C% r6 T
- LDA #$00
/ \$ k3 ]. o) \; s - STA Data_buffer
+ O m7 v5 F- v+ o: {+ o! g1 | - LSR
: C$ Q+ e/ k7 ]5 e9 o6 T5 \- Z1 M - STA Bullet_Y_Speed,X* G7 E) L3 L0 X# T# U
- RTS
: s" }5 b \3 l1 E L - ; c, |6 D/ }0 P. B3 b i9 d& S
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y! r, z+ Q2 R* \* i8 f! O% Q" w
- CMP #$042 I- {" }& m8 S* R( k7 H
- BCS L2_1
; G3 ?( U7 ~+ |# g B5 u( I4 k: e - CMP #$045 M7 b. D: _3 B: F7 D: ^
- BCS L2_2
" k* M G; ` y1 ?- E- N: R$ i- [$ Q - LDA #$00
, g9 d Z' w6 G; F/ y! `! _% b - STA Bullet_Y_Speed,X
- I$ ~6 \ |. q3 h4 V5 @8 Z - RTS( w2 u. g8 b- a+ q
-
0 a7 P7 i/ A" z" f; w3 ]1 Y5 g+ S - L2_1:* X/ r5 J9 C6 R% i! j# H# d5 `! h
- LDA Bullet_Type,X
' Y$ c5 T2 |. B6 b3 V" o - AND #$0F
5 s) ]+ l2 j0 w+ E& T* t& I - TAY
- \; o/ ?2 G, I& ?- p - LDA #$00# ?, h: I6 R# r
- SBC Bullet_Speed_Data,Y
$ u% _! f2 ^8 ?7 X5 a& u4 M; n - STA Bullet_Y_Speed,X! a5 i$ c3 i6 X1 ?
- RTS# u- {+ `3 @* Z( G, P4 E
- ( r7 z$ f2 @7 a
- L2_2:
1 W6 i( {$ z- s( [ - LSR0 e6 r4 i) A8 @" z; ^
- STA Data_buffer
f4 u% P* v+ I - LDA #$00
& Y3 i5 V }( Y4 F& N( ` - SBC Data_buffer
+ x. J* y! L9 M; s+ A/ }- o( C - STA Bullet_Y_Speed,X% y) Y/ A/ ?8 a/ l |
- RTS/ x! {$ j% N+ H3 s! b& |. a% P
- ) R* d* T3 j: |( z
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y0 h5 D( x' q. H0 K
- LDA #$00 k1 Y. ^* J/ z! R
- STA Bullet_Y_Speed,X" f& R6 W0 c7 ] U: A! |8 e
- RTS
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- c5 N" |& R9 j; }, d$ v5 i - Track_Enemy_X:
7 t$ i# K" D& p) ?$ c0 O - SEC% F4 {0 F/ K* {: t6 E- G0 e. j z; U& E5 f
- LDA Bullet_X_Pos,X! N% G/ |, r, X" I% F
- SBC Enemy_X_Pos,Y# j- D& S+ I1 B' u
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X. }8 k: M+ C* O& x8 k0 s" f! l1 W9 R
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
5 |% M I1 u$ B1 e6 T1 @/ r - - Z7 B* t* _% r0 {1 o. b
- Track_Enemy_X_Less: ;子弹X < 敌人X
- p5 A# ~! r0 ^- Q5 N0 x D1 b - CMP #$FC! r' y: E1 m" j6 j8 u& ?
- BCC L3_1& }9 j* C% Q- ~( w% N
- CMP #$FE
1 v$ j9 C N1 j0 c1 F - BCC L3_2( F- R* i* n( [5 S
- LDA #$00
4 ~% V0 N' w9 j& D1 p3 K - STA Bullet_X_Speed,X9 ^ |' |( @8 o" z9 G8 h
- RTS- w7 O7 m6 M3 l4 X) q1 d
- L3_1: 8 h$ R8 H1 P* @: U
- LDA Bullet_Type,X
8 T9 h; _* B1 f3 l. Z - AND #$0F. u+ W+ F# D) M9 r F! b# q
- TAY
% r5 S* q9 t# b8 z - LDA Bullet_Speed_Data,Y: O1 V3 N0 f: N. U+ m, ?+ R* k
- STA Bullet_X_Speed,X1 h' O9 U% C3 p( G+ q* o( t& l: ]
- RTS
# I1 K; ]4 h1 E - L3_2: ; _: z5 K" o2 N) W* N l% A: I" q
- STA Data_buffer
! X' j# O# |, s) o - LDA #$00
, H! ]+ l0 e4 o: R) j; | - STA Data_buffer
: t1 R: _5 r X, d' R - LSR( u* k7 h& a8 G* ]/ P
- STA Bullet_X_Speed,X. h& E& d+ E; r& x
- RTS( y4 M# s7 p* r9 w
- 9 q! m0 T9 d& d1 P: S7 P( D
- Track_Enemy_X_Greater: ;子弹X > 敌人X! a1 E6 n6 j1 N! H0 F
- CMP #$04- w. S; |, f% G/ k: t* Z( W& U) ?
- BCS L4_1
% f0 q7 S6 v, v - CMP #$021 N2 r% p6 B- I4 v
- BCS L4_23 [6 `/ U. D0 C/ g
- LDA #$00
# s P8 f/ z' f- L; z - STA Bullet_X_Speed,X3 V2 c) ]$ K4 E v5 W. D( s) a, G
- RTS
. O! w. i' {) w -
/ y$ _5 t4 p9 ?, w- Q3 k; U - L4_1: ; }& Y% y7 ]) z5 J' F
- LDA Bullet_Type,X& {. c) s6 @* O+ M
- AND #$0F
& A2 Z$ e( \3 ^! u9 W) d8 R& u - TAY
8 U. O3 g; C8 v - LDA #$00+ [. a( _& f: _' p# l, a" G( x$ h
- SBC Bullet_Speed_Data,Y, g/ u! h/ n- s% K/ P
- STA Bullet_X_Speed,X3 d2 m% r- }3 [0 ^9 @" c2 h
- RTS8 {3 x5 m$ l( {) i. ] B' U% A
- L4_2:
' E a5 A) O R - LSR
) u! H9 T' Q" x" R - STA Data_buffer
2 q3 n3 `7 B- _- B- ] - LDA #$00% d3 z4 Y1 _& S4 U
- SBC Data_buffer
+ ~, W6 ]" ?. W) N1 d - STA Bullet_X_Speed,X
5 M) L$ c- ^( W/ n( Q6 k - RTS+ S; u4 y# G! U4 _
- 3 s6 B2 V* X9 \. G! |2 X; D
- Track_Enemy_X_Equal: ;子弹X == 敌人X
# Q% L2 l P! j8 u7 k1 B% R1 K7 ` - LDA #$00' K: S# x, \2 W" d: I
- STA Bullet_X_Speed,X
5 O* X' Q0 v% y$ u9 y$ r; S - RTS+ A/ ]5 @7 Y0 H* \
-
! L8 n: p. g' V) l* o0 j - Bullet_Speed_Data:
! I4 g' m' d; e% c4 k5 [) P - .DB $00,$03,$03,$02,$03,$03/ } [* [ d! _2 A" N
-
+ H, D4 ~, Z5 ? - ;2, 4关4 W! W2 Z' ]2 n* Z/ X; [
- Track_Enemy_Ex:
, {0 b6 a- ?0 b( v3 c( e8 y! o) k - LDX #$0F' q& R0 h* r7 G: E1 D6 `6 x
- Track_Enemy_Ex_Begin:
; T* K F- m5 m ]" D# e
% ?6 |! `0 T6 \0 G w- LDA Bullet_State,X
/ A: e% d- p2 R7 M- r - CMP #$01
; L. }; `; i9 ^8 ]. r# H3 Q - BNE Track_Enemy_Ex_Continue0 {: {* J/ [. A- Z( B5 [+ J
- / F- z# _1 p# P! u
- LDA Track_Enemy_Index,X8 H. ]( W% h! W
- CMP Enemy_Index# K9 e: r% N. T
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标7 l; ~7 t% x4 S7 V: g4 Y3 T; G3 F
- 2 N8 V. B( F+ Y
- LDY Enemy_Index
6 K% d, }" F2 H+ X$ U( L - JSR Track_Enemy_Ex_X
2 O3 m7 [2 T: r( H1 ] -
( t l$ w& ]- ?- A3 [. n( g j4 w. l - Track_Enemy_Ex_Continue:
2 U1 s0 I: j: X! z3 u - DEX I. R( O- ]# U: W1 ~# Q
- BPL Track_Enemy_Ex_Begin
9 V, z+ A' F: L - Track_Enemy_Ex_End:3 R3 V' ?( j6 x: |
- RTS
0 O+ Z; c6 R2 O -
7 h6 v+ a p& O9 I, Z6 T* g6 _4 x( m - Track_Enemy_Ex_X:/ K& a9 O8 o8 Z: I
- ;LDA Bullet_Z_Pos,X
* Z& y0 }5 u2 V3 W2 Z - ;CMP #$04
5 J) S- g% l+ @5 v. ]5 _/ C - ;BCC Track_Enemy_Ex_X_End
/ b/ m ?& A3 D; @. P - SEC
) v; H, ^% i- A8 X* M6 E - LDA Bullet_X_Pos,X9 A; Y0 U9 ~5 s& N
- SBC Enemy_X_Pos,Y l* q Z6 f U) }7 U# h6 L( z
- BCS Track_Enemy_Ex_X_Greater
8 V5 y$ Q; r) j, E -
) ~& o4 _& ~) H - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
! i- c: h y- h/ m - CMP #$FD
+ P9 q8 C" [" _* o) I! W) H - BCS Track_Enemy_Ex_X_Less_End
" F, C' @. K7 q - LDA $6020,X
* O1 B5 C: @& A# P% K - CMP #$2A
2 K, [4 Y* e) i0 w L: B - BEQ Track_Enemy_Ex_X_Less_L10 ^. i, N, q( [
- LDA Bullet_Z_Pos,X
1 u7 g: f" W3 b% D - LSR
" Q9 Z' I1 t. s1 l7 d4 Q - TAY Y( e* x" k7 f" u$ V$ c
- LDA Bullet_Speed_Data_Ex_R,Y
5 T s0 l1 P, C8 R4 E" h8 P - STA Bullet_X_Speed,X
4 ^1 g9 g0 y7 E8 Y; s, Z - RTS7 |0 b4 S2 q- K) [3 g8 L ]* ?/ ~2 K
- Track_Enemy_Ex_X_Less_L1:
1 t* ]) y% Y1 z# m+ o: R - 2 h7 {* ^/ n2 X
- LDA Bullet_Z_Pos,X! J. U/ P- p, M" _- Q% y4 N
- LSR
4 r9 E7 c* j* S* e - LSR$ l! A! b0 A" Z; o
- TAY
' I7 P+ }( _. H4 J n( J4 [ - LDA Bullet_Speed_Data_Ex,Y2 Y! R# j4 `9 p# _7 Q
- STA Bullet_X_Speed,X
) u; a ^# m# d' ?8 ] - RTS9 T3 v# Z/ i2 ~& B8 @4 I
- $ l8 |3 |% c8 Z- v1 V9 z2 n! |
- Track_Enemy_Ex_X_Less_End:
0 Q) Z$ M `, U5 H, c" S2 [3 S - RTS4 e! s; c( S' c! n
4 C) P* [8 V. C$ V# a- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
n; ?6 d* o e - CMP #$03
0 a0 M" f0 O9 I# h - BCC Track_Enemy_Ex_X_End
, B6 `) y1 z4 k2 k - LDA $6020,X7 O; [ y- h! E! q
- CMP #$2A
5 s2 {, x/ n/ f! H4 Y - BEQ Track_Enemy_Ex_X_Greater_L1' S \% a+ y0 l$ _( x
- LDA Bullet_Z_Pos,X& x& _$ S# O$ Y; K
- LSR
( v: M* H# l3 b- ^ - TAY' y* E6 n( D: W7 }: k
- LDA #$004 c4 S! J( R/ }3 L
- SEC
4 h# J! T, _1 \: r/ f4 V% ]+ W - SBC Bullet_Speed_Data_Ex_R,Y4 J- m* h3 T. `; O$ l
- STA Bullet_X_Speed,X* r6 |. m/ \9 t% X* I6 t$ D; T5 i
- RTS
- V; R0 S4 A2 d( \4 e+ K; f* j2 _$ u -
0 h3 y& q$ i7 a% ~ - Track_Enemy_Ex_X_Greater_L1
% |/ k% b+ _& V0 d5 k - LDA Bullet_Z_Pos,X; _( Y" N( b' [# Z
- LSR0 l( c1 ~3 ~+ b: m% y
- LSR9 A3 h1 E! U9 H
- TAY) K. ]3 `8 @( u/ P) {' w4 g
- LDA #$00
" K. {3 B1 Z- N: U3 S8 ^$ U - SEC
# S6 \9 s# t* ^( i& d( M2 u - SBC Bullet_Speed_Data_Ex,Y/ |( q8 X! R+ F4 C" b: Y. I E
- STA Bullet_X_Speed,X
; W1 o9 x9 s0 }# [0 b# v% q - RTS( } I6 P* j; N% m8 V8 V% y4 T6 P
- , u x$ C( v4 c6 E; M( Z4 k1 A; C
- Track_Enemy_Ex_X_End:8 e! U# q( Q( S! I5 m% J! |
- RTS8 X; t- V# |# }: g1 @( x
- l6 Z( r/ [% l- a8 ]3 a
- ;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)4 O- U! v# t- H. p D4 I% X
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上, h8 @$ K2 C0 \& ^) B4 E
- Bullet_Tract_Direction:
; k6 C, W# G" i) T - LDA Bullet_Icon,X
d0 j" T, O5 W* i5 h - CMP #$234 P9 S# l5 Q, _
- BCC Bullet_Tract_Direction_End
$ u5 R' K. S# u0 t* `) f - 6 x& }; A: L% `# E3 s# \
- ; X != 0$ z# V. S* @! b0 K( F& P/ G
- LDA Bullet_X_Speed,X
# F# B W3 Q) S0 K4 e# ~4 F" ~ - BEQ Bullet_Direction_V3 G( C2 w; k4 F7 {9 B P+ @8 l
- 2 U: p; o E2 l" @
- LDA Bullet_Y_Speed,X8 o: n( A" _4 M& S" G7 z
- BEQ Bullet_Direction_H& b7 h1 O7 i s$ b, m# o; x
-
( c- H/ J! ~( _) A - LDA Bullet_X_Speed,X% F0 T }$ d0 F9 U1 W
- BPL Bullet_Tract_Direction_Right
2 y3 A) _) [ J, U - Bullet_Tract_Direction_Left:2 [' z% s7 z9 W6 O
- LDA Bullet_Y_Speed,X
2 }. Q5 d( a5 S Z* s4 S - BMI Bullet_Direction_Left_Top
) W- Q& n( J4 g( [" E3 V( D$ w* ^ - BPL Bullet_Direction_Left_Down# e9 n B; Q5 L6 T8 w
- Bullet_Tract_Direction_Right:
+ T" x% i) r7 n" r- N' v: d - LDA Bullet_Y_Speed,X
$ C; m: ?" V! C! H - BMI Bullet_Direction_Right_Top0 j( D, R( @" l: `) B; R
- BPL Bullet_Direction_Right_Down! |0 B0 P; S4 }1 z5 G; l0 q/ B
- Bullet_Tract_Direction_End:
; x/ J( j3 p, w4 L4 `9 K: \ - RTS
) v4 h- O y3 _+ T: _5 s6 Y7 C
% {: O* P7 p, V1 K# m+ t2 [- Bullet_Direction_Left_Top:
- s# S1 y' U% l) ~ - LDA #$25
) @& f. m9 `4 d - STA Bullet_Icon,X- K! B S; x: m! `7 {' @3 \+ x
- LDA #$C09 J$ l( `/ Z# p' y
- STA Bullet_Direction,X* _3 B3 Q. G/ t. x* v3 K
- RTS4 \' H* i$ E0 V- F' s% O
: G$ |# i) x8 N+ e8 R0 P- Bullet_Direction_Left_Down:
0 a9 }% C8 |. U$ e2 w# u9 E - LDA #$25
$ K4 i4 s- a& n - STA Bullet_Icon,X f0 I- H- ]0 f1 v1 g# m% q
- LDA #$40& q6 H1 W5 `9 a4 E1 Q& i
- STA Bullet_Direction,X- i3 x' K; e9 G" w3 P7 X
- RTS! S. f2 L$ ^" n
. S4 }* h0 h. ~/ ~- Bullet_Direction_Right_Top:
6 E; `4 T3 A B0 p - LDA #$25
6 J# z6 T9 P6 a8 B9 a3 V* S - STA Bullet_Icon,X) o( b5 z1 k8 V) g1 q7 N. z4 F
- LDA #$80& E( Y# o$ \" T/ C/ O7 v
- STA Bullet_Direction,X
/ L. Q% X5 T9 B* D - RTS' g5 I# o* ]: y7 M- t& A
- : ?* ]* q* h! M5 B
- Bullet_Direction_Right_Down:
) U0 E, N. L. F5 a4 \ - LDA #$25
; p4 b/ n3 f& D% e6 B - STA Bullet_Icon,X5 F% F+ M1 `5 T# l% {9 p$ E: r
- LDA #$00
; G9 z/ Q& L) ?! h* t v - STA Bullet_Direction,X$ E0 k/ c2 D9 \) T W* c4 X
- RTS
7 A/ H7 b7 q/ ~* M+ N; [
) v# m% s. l5 K! @$ P- Bullet_Direction_H:7 q' I) C. S- s* k4 }2 C6 v
- LDA #$24; c* ^1 S; f: r4 W t
- STA Bullet_Icon,X# {# U8 S$ i8 Q$ C
- LDA #$00
; Q0 h8 P9 j9 D. T9 P - STA Bullet_Direction,X" n: k' m) K( u# j
- RTS
& B6 V9 U' @. {* p' O
' a) ^) k+ G( {* U0 s- m% F3 P1 L+ G- Bullet_Direction_V:6 z' K2 m0 c$ v3 |: B/ u( h, c
- LDA #$23- w& A, P8 `: g s z
- STA Bullet_Icon,X7 n; ^9 Y& ?" E+ _
- LDA #$000 }: i9 `5 L3 m( |
- STA Bullet_Direction,X, l5 f) P- ]% I; z2 j/ E; w, M
- RTS
" t, a# h5 R2 \7 p) d! i1 A - ; |1 v, p5 d s8 O0 O
- Bullet_Speed_Data_Ex:8 p$ M3 d3 k+ j" q" z5 T0 C
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
! c( J% ~6 v8 K$ e* Z! m* C - 3 t% g8 }5 |7 X6 X
- Bullet_Speed_Data_Ex_R:& y. k* b- y) f* m
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
+ z: b/ E' t$ x: Y) L -
复制代码
. r; @0 @5 ]+ J6 O/ ^" u7 u* k+ l% Z4 i
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