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[FC][魂斗罗][J][追踪弹]/ P/ W8 }2 I5 H+ K; i s" o g
' b U/ t: P8 Y$ t9 n8 d5 h时间:2023.04.30
5 _6 F, n1 S# x" q2 S4 ~作者:FlameCyclone
8 C' _/ p2 B V0 c8 y内容:
" o8 s( }; k+ B+ A* W 1. 所有子弹追踪敌人
/ _2 L- f1 g1 X3 P2 u% ]; ] 2. 选择键切换武器
2 o! e# z) }) c& ?9 Y& Z; M 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 A! |. u( {% x N+ m1 o6 z3 \7 |/ p
flamecyclone.ys168.com" @$ R( F! ^; E3 M. G

# M6 x" ^' }( o b7 Y9 F+ _+ i- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
6 V3 k# z* t. M$ m; x: c" m - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
% P q. N# b6 t) r( b% W - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
/ u0 a5 I6 q) j. p - . f! o( l$ R9 t3 k9 A7 Y7 l( x
- ;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)
H7 n' ]9 m |) F" k1 O - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上) J q7 A# r& n( P! C0 S, W9 ~7 V
2 T8 v3 }& \: O- Track_Enemy_Index = $60004 E6 d' d6 \7 M. k
- Enemy_Index_Begin = $6010
8 F8 J+ K# k% _- B" i - Enemy_Index_End = $6011
! @1 @( S& g$ M - . T: I% u7 b) \" \- {" x
- Loop_Index_I = $6012, C- b9 j( P; O2 U1 S$ z
- Loop_Index_J = $6013
: d2 c( `5 v' r" t - nEnemyIndex = $6014, M- P: w0 c: \0 l+ ^! l
- Data_buffer = $6015
/ j D( H2 v5 `9 x b+ P7 p- _( b - # a7 X9 m1 Z# s( a5 u
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
( D0 x& ~% @5 d) Z2 m8 Z - Bullet_X_Pos = $03C8 ;子弹水平坐标/ J ^& d( z- O- p" t
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
, B2 k4 _( B+ a3 o - Bullet_X_Speed = $0408 ;子弹水平速度
# J; H& W6 n+ Q$ Y - Bullet_Z_Pos = $0418 ;子弹Z坐标3 f4 K6 X( b" Z2 `4 l M
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P; x% Y7 {, `$ I7 J! M& f- j
8 u! S4 K! c) n) Q6 A0 y5 B7 I- 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
( \: N! }% k% d. `# ? - Enemy_Blood = $0598 ;敌人血量
3 o" [& n4 V1 P - Enemy_Type_Addr = $0528 ;敌人类型
# J" ?3 Q; }0 D4 ^' c - Enemy_Blood_Addr = $0578 ;敌人血量2 P+ r1 a6 g* r: ?
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
Q$ N- `% G. Y( e2 ^/ F0 v - Enemy_X_Pos = $033E ;敌人水平坐标
3 S8 T/ } [' Q: d$ X( w2 z - Enemy_Y_Speed = $04E8 ;敌人垂直速度
) C4 @) G9 s$ Z$ b/ L - 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. f, j7 ^: C5 E8 I8 \# ]
; g( e: }* k+ s/ W- Enemy_Index = $83 ;
( [+ c: \( W2 r0 [6 ~) ^ - Time_Count = $1A: _" h4 Z$ l5 {
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率: N9 C( e) }7 J' N
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
0 h& R t' \- q1 s! e - 4 }5 o0 q2 O) _" Q
- % Q+ l- ~: }, ^4 s# _$ ~- |- C
- .ORG $6100
% C, n5 m' O" T5 E J. e - Process_Begin:
+ i5 L* Z8 N) o& n - JSR Enemy_Check
% @2 M: G7 o- V1 A - JSR Track_Enemy_Check- W- S8 [; F% J7 q9 b9 U
- Process_End:8 [' ^$ S- m' ^
- JMP $E54F
& H! B! C$ I1 g
" H$ g# R1 K# d( v* d: R- h- Enemy_Check:: r/ S# _# s* h/ l/ Z, c$ Q1 S
- LDA Time_Count1 M" |/ s. H' [; d
- AND #Track_Bullet_Speed4 @) n0 S$ v4 [( ?" J1 n$ O
- CMP #Track_Bullet_Speed" b# C0 q2 B9 c1 R: j/ i
- BNE Enemy_Check_End
) g9 [% Y" `4 ] - LDX #$0F
% E& D. g& O, s: Q1 g - Enemy_Check_Begin:
+ c( E. c' t E6 w' g - LDA Enemy_State,X
+ ]' D w' Y) u5 ?% I/ i - BEQ Enemy_Check_Continue7 R. t( L! @: L8 M! g9 `
- STX Enemy_Index7 `5 r! l9 s5 t: \6 J
- JSR Find_Begin_Enemy
: e2 x3 M( N. y! h1 l" D& v - JSR Find_End_Enemy
( ^$ ?, }- w1 l ` - JSR Bullet_Track, H% i9 v" `- j5 `
- 3 y" T S1 k3 Q! E- [0 h& }
- LDX Enemy_Index
0 w) i, ^& D0 e7 p* Q% j/ q - Enemy_Check_Continue:4 c1 I4 D2 M5 ]! g
- DEX1 j4 i; W/ u4 R9 _% P. F
- BPL Enemy_Check_Begin9 }5 K- z* y* R! ^
- Enemy_Check_End:4 S$ ` ?2 l% z: R; d3 b
- RTS6 W4 f6 T+ g0 g( i' W8 a- M
- 9 \0 Y: V }+ g# y. O
- Track_Enemy_Check:
- B, f! y3 h# j) e' ~ - LDA Time_Count
^. M8 P/ @* u8 {; @9 w( P - AND #Track_Enemy_Speed
9 w6 ]' V3 j5 H7 ~ - CMP #Track_Enemy_Speed' B8 K( T" l# k: D( m8 ]
- BNE Track_Enemy_Check_End
; ]6 u6 N* j! ?3 y O" E- o" M1 p - LDX #$0F% U: a3 v( g* y, \) _ v
- Track_Enemy_Check_Begin:8 T R/ x6 |3 p8 B
- LDA Enemy_State,X, n0 _+ F5 b$ H
- BEQ Track_Enemy_Check_Continue5 H* a5 w% z! \& O: ]2 B8 W
- STX Enemy_Index& Y* x& Q' ~) L2 k. B1 N& O
- , C% r" [( p, f2 t) _% |& O
- LDA $400 I3 y2 @% z6 ^7 G
- LSR- L9 w; R$ A# p3 Y8 h# x* L
- BCC Track_Enemy_Check_Begin_L16 u/ I4 M2 z+ t1 u5 l
- % K# D8 p$ v3 a% L7 u$ Q
- JSR Track_Enemy_Ex ;2, 4
# D/ {' _! p$ w' ], i3 `. m3 g: \ - LDA #$00 o' _- e! R% e$ h: o: [0 E+ H1 E
- BEQ Track_Enemy_Check_Begin_L2
: @& Q7 W: v0 s, S -
$ B$ Y% e1 V5 q7 f! J9 P! B - Track_Enemy_Check_Begin_L1:, ^" i9 u0 Y) {$ w" B
-
5 e! v" n7 e( K! t: X" ~' X - JSR Track_Enemy
! }* l/ g5 o0 G* `5 M% \ - / n/ V# U* {5 g: C M
- Track_Enemy_Check_Begin_L2:3 k) p" q+ F0 i0 p$ j
-
- M5 |0 s3 @4 ~# Y' Q - LDX Enemy_Index
, H M. e' R2 a2 W, v! Y - Track_Enemy_Check_Continue:+ C+ n" c2 A' F
- DEX* `, ~" e: p& x7 U2 _
- BPL Track_Enemy_Check_Begin M$ V3 c& q1 e5 B
- Track_Enemy_Check_End:
$ Q$ k2 N o& U9 v& |7 d - RTS; T4 p: v1 G3 K, x, G/ A
. R. j5 L, C8 g% W9 d. P- 2 I9 T! D% n( @7 z5 K
- ;查找第一个敌人
9 b6 q" o6 `/ W9 F - Find_Begin_Enemy:0 H3 b E4 p5 h0 f% L
- LDX #$00% G$ g( u2 e& Y1 o* r4 ^: u% Y
- Find_Begin_Enemy_Check:, E: d1 b/ t" ~& X! t* `
- LDA Enemy_State,X
( T1 r, Q' T* }" V - BEQ Find_Begin_Enemy_Check_Continue
$ L$ G% f" |6 V4 ~) o - LDA Enemy_Blood,X! h: P" j7 M# B1 t) O' N
- BMI Find_Begin_Enemy_Check_Continue. Q6 K3 n4 G0 l0 O
- BNE Find_Begin_Enemy_End6 R/ T% B0 D. `
-
0 ^+ p' i2 o. l I - Find_Begin_Enemy_Check_Continue:
8 o7 a( t% _ n+ a) R - INX
. E+ V9 e4 V7 _3 D6 E' O - CPX #$105 N( u7 S- X- T F) o7 w) X
- BCC Find_Begin_Enemy_Check, k6 a* L% m8 o1 [ _' u7 y
- Find_Begin_Enemy_End:
6 g/ T( ]( l, b( r - STX Enemy_Index_Begin
, |9 k" c( {/ q5 O( q - RTS2 ~/ |8 d3 v7 r! m, e+ ~
T8 c' w4 T( ~+ y0 a- ;查找最后一个敌人
) r! x/ U; y1 \; Q/ B& S, c - Find_End_Enemy:
- o4 z6 `9 j% E# B+ W# P" n - LDX #$0F* c: h6 m: g+ Y% O! k/ x3 U- T
- Find_End_Enemy_Check:4 v' y9 Q- |& u
- LDA Enemy_State,X# J) _- i6 u) ~- \( D
- BEQ Find_End_Enemy_Check_Continue
. j" e) y, D7 H' l5 u5 y4 ~* R9 R# X - LDA Enemy_Blood,X
5 O5 I- n7 Y3 x - BMI Find_End_Enemy_Check_Continue
+ n5 S& n: H" l Y) H D - BNE Find_End_Enemy_End
: H# [0 H# b# W - " M2 E) N( ?" ^6 B5 i0 E6 c9 ^" @
- Find_End_Enemy_Check_Continue:$ a" _3 e, E8 Y# {, f. ?4 ^
- DEX4 h& L3 l& \$ A/ t2 _6 J
- BPL Find_End_Enemy_Check( R! e% E1 G ?8 G: g% t
- Find_End_Enemy_End:
3 x/ t0 H, C. k' A$ ^ - STX Enemy_Index_End1 V! q% M9 G/ n' l) W1 c$ h
- RTS
9 X! U! j' \- b" T' D- k
6 {/ H3 W" q# H9 x- ;子弹追踪8 N9 q, ]: i' B+ _ X
- Bullet_Track:
( \) g4 H0 l7 j& L S, R) ] - LDA Enemy_Index_Begin0 [, o! Z. F! a" X" g& P& ~8 Z
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;; Z; o2 @, }- M6 a* y/ L
- LDX #$00
+ R0 n' N! m" J1 [. L( t: I - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
# y- O b6 q, @# Y. q& B( c( j - LDA Bullet_State,X
8 c4 @% }: {1 j4 Z9 V, U8 m; G - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;9 G" M5 n \1 T$ ~
- STX Loop_Index_I m" L m6 l: Q: {+ _( L! A
-
6 e# q6 N: z& i4 R( G% s: G - JSR Bullet_Track_Enemy
4 m4 Q8 r* X& c2 ]3 b% \' u) e - JSR Bullet_Tract_Direction f7 E5 t& C. C$ F
-
: E3 `/ \7 b& W# R( ^$ q - ;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: _2 \% e5 s2 [ ^0 n- N( \
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
. K; L3 `0 g! ?3 ]$ w - LDA nEnemyIndex* {( S3 Y' U1 z) w1 f
- CMP Enemy_Index_End
# T: r0 {8 f9 U C0 N' H4 [0 g4 b - BEQ Bullet_Track_Check_Continue6 u; _3 A9 s/ Y- f- W8 ^
- BCC Bullet_Track_Check_Continue
" n- m" H; C2 d n$ @" v - LDA Enemy_Index_Begin& p' j2 e W6 c3 \+ P) r
- STA nEnemyIndex$ V" k( E0 F' R8 k' a
- * l# W9 k3 w Z. f% x
- Bullet_Track_Check_Continue:$ e4 d# \* T- R3 O s
- LDX Loop_Index_I
9 V2 `0 Q2 t# L1 g7 }% Z - Bullet_Track_Check_End:
+ j& u! l/ B, a G8 S* [0 L - INX
?! o: k d2 d2 M( S! h$ n - CPX #$10
5 R8 r6 f/ Y" E0 C+ e! H9 ?' o - BCC Bullet_Track_Check
8 u- u8 I) ?8 A7 h+ V - Bullet_Track_End:
5 H* s3 Q: A3 x1 } - RTS
0 o, V& D- b1 [! r - Z% X9 Z" M$ _
- ;给敌人分配子弹+ S- n) Q( I# P' t0 ]! U! I/ s' f+ k
- Bullet_Track_Enemy:) I- z# U7 y3 B; J% m9 @' \
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
* U" w1 ?4 l( W- J) |& { - Bullet_Track_Enemy_Check:
2 N9 Y- s1 E0 H# I4 H4 t - STX Loop_Index_J
2 M& u+ d' w* Y1 } -
2 i% j0 D/ F/ c' r! H- j4 K - ;if (0 != nEnemy[j] && -1 == nTrack[i])
3 Z x5 [/ G+ V: \; ` - LDA Enemy_State,X
0 Y0 |3 q# A6 K% w4 l8 C6 F - BEQ Bullet_Track_Enemy_Check_Continue
% b% e7 s; H) g- q - LDA Enemy_Blood,X. S9 l6 G3 `8 Z0 M
- BMI Bullet_Track_Enemy_Check_Continue' @# M% r2 S* `, s |" A
- - d- o* ^- w6 j& L5 h0 F5 m
- LDX Loop_Index_I! D/ ]4 U( A6 ^! Q
- LDA Track_Enemy_Index,X% j$ k1 [; E) v( R+ e& I+ Z) D, W
- CMP #$FF3 A l) z" K; P6 \+ A8 T
- BEQ Bullet_Track_Enemy_Init
8 M4 F, o' H$ U# H -
2 i$ w# s# W- n6 G/ V+ a - Bullet_Track_Enemy_Init:% F& I0 c; T1 u
- LDA Loop_Index_J
5 j& I9 r# s; C+ C H& {/ X5 U0 } - STA Track_Enemy_Index,X ;nTrack[i] = j;1 j7 r. Y: S- x
- ; n4 g" P) K7 h# ?
- STA nEnemyIndex- q: w( P/ A M# N) U
- INC nEnemyIndex ;nEnemyIndex = j + 1;
6 X9 x8 u) A5 n+ g1 U8 d - RTS ;break;! K( l! J% `, l$ D6 M/ s( u% O1 U
- + W9 t, Z6 q: L
- Bullet_Track_Enemy_Check_Continue:% z( j8 V+ a" q. @1 f6 L
- LDX Loop_Index_J
" O- z( E1 o/ {6 Q' i - INX ;j++3 g+ t4 f! u+ o
- CPX Enemy_Index_End
( s3 {/ Y( x" X5 {8 c0 i( v - BEQ Bullet_Track_Enemy_Check
4 p! k3 i7 ?1 l - BCC Bullet_Track_Enemy_Check& w9 H7 ]- k. U6 m* A
- Bullet_Track_Enemy_End:% l$ `% V& }+ W! @' |- i
- RTS
8 f0 |& K+ J8 W5 V - ! F, \; K# a8 }8 f8 M. \3 A8 I
- Track_Enemy:
$ f7 Q4 ]5 [2 M! | - LDX #$0F
U% [* V4 k y) @2 i. n - Track_Enemy_Begin:
: l B# K# ^" l1 C2 l( {( i0 N* s - LDA Bullet_Icon,X
, A6 b: E7 i4 n" S% E+ F' u - BEQ Track_Enemy_Continue
/ J- l0 Z+ N8 ?( B' v - LDA Bullet_State,X
& w# U# y+ _; ?: { - CMP #$01
6 \5 e X1 E1 _5 [/ V4 y - BNE Track_Enemy_Continue
9 s% q9 \7 z' q: ?: c - * A# ]+ R7 ^7 ?) S8 B% |( a5 r
- JSR Track_Enemy_Process' e8 K4 B: {" L( _" W
-
8 V$ w* q8 u! V% h. T$ z. A - Track_Enemy_Continue:
. G- c8 n/ y8 y- ~$ h+ Y' l - DEX6 q) Y6 O7 F8 Z
- BPL Track_Enemy_Begin% W! P& W! h- u( J/ o+ S3 \2 h
- RTS
q3 l5 h5 B: W- c p; H/ @ - 6 @. k! A- f- f6 U
- ;普通关卡* E" Q# x& Y( U5 s
- Track_Enemy_Process:
, w0 }1 _: o6 N) K O - LDA Track_Enemy_Index,X
" ?: D0 x- F O( G7 X# G - CMP Enemy_Index
! _! s S1 y1 O; O8 ~ - BNE Track_Enemy_End
& C& `2 j: j; `) o$ w6 ? - LDY Enemy_Index; M7 Y x) E: j
- JSR Track_Enemy_Y
( R- G5 Q- ?* [1 o. v# _ - LDY Enemy_Index4 D7 i5 z9 a: I1 N& _. l: a
- JSR Track_Enemy_X
0 V" S) Q4 }$ j$ a, L2 S" g0 c+ k H - Track_Enemy_End:$ M0 Z* N9 ~0 Z0 H9 |: D
- RTS
{& ]- w: O" ~5 U -
; |) @- z1 r5 ^( A. o9 r% @; B# \ - Track_Enemy_Y:
: `1 W4 Z/ H3 Y# F- n- I - SEC
6 I: a! E$ o. ]2 b& U; Q- Q5 J - LDA Bullet_Y_Pos,X0 M0 P; m! A5 A3 x, C/ s
- SBC Enemy_Y_Pos,Y# I/ R* L4 P- k/ S& I' g p; Y, h
- BEQ Track_Enemy_Y_Equal
: @1 V, _. c8 Q/ c1 U. @1 u$ P* m% m - BCS Track_Enemy_Y_Greater7 S6 u( w& J8 l. K1 B5 |, o0 F- y) U
-
, m6 U" K5 i& T! k - Track_Enemy_Y_Less: ;子弹Y < 敌人Y# U! Y6 U: G# U( O7 d6 h
- CMP #$FC( c, a, h% s# z1 M0 _
- BCC L1_1
- |# K7 h4 j& ~8 W& k$ `7 Z - CMP #$FE
! o$ E9 R( n) T N( B: J - BCC L1_2
- v2 ?0 f0 I o# Q. c' n - LDA #$000 v1 \7 B# Z. _6 L& t1 W% c- O
- STA Bullet_Y_Speed,X
1 X2 D/ r+ O9 b/ h! G% ^ - RTS" A1 d) q9 M. }' b- ~* I
- L1_1: ( s7 N3 J: U4 x% n
- LDA Bullet_Type,X. y7 f' @8 n. V
- AND #$0F
6 T! e( O. u% ?$ k* H( t - TAY' [) d: _3 l# t5 w
- LDA Bullet_Speed_Data,Y
# l \6 A/ t9 ?5 U* { [" p - STA Bullet_Y_Speed,X9 r6 T+ |8 ^; z
- RTS& v7 U# e5 v5 G, }6 b1 n
- . l8 d8 h' d: g5 O! Z0 f) J) k0 Z% z# [
- L1_2:
1 r* L: R9 B* O- Z! F5 e; r - STA Data_buffer
4 m, d4 B, ^5 c- A* U m - LDA #$00
! b+ d& f# E" O5 P - STA Data_buffer
- Z( w$ Y- L2 Z/ V( ^5 N' K1 k - LSR
/ c9 a5 ]5 i- D- h6 u7 U& s: ? - STA Bullet_Y_Speed,X
5 I* M7 }1 {& \ - RTS
! o+ x) u, @, Y% N* M8 G6 F - & C" k) s; V8 I/ t3 _1 i F
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y; c" B6 K/ Y/ T6 D# s# _, T
- CMP #$040 z( {9 \$ e0 M2 M$ V
- BCS L2_1
! h. ~8 d. m0 j# p( w5 i; d3 c - CMP #$04; b' o4 `% ?* W% ~! d
- BCS L2_2
1 H5 c1 r3 W: U6 ^! o( d - LDA #$00
) y W% P( u; l! k. | - STA Bullet_Y_Speed,X
6 {5 b4 m! g+ m+ X$ A - RTS
6 n/ _5 g7 D' o* ~9 r3 ^8 W - - f9 w+ `5 R3 b- r3 Y/ K: Y/ [1 t
- L2_1:
1 {/ k+ ^2 q% A$ j, U& g - LDA Bullet_Type,X* Z9 k# G; |- m2 u5 D$ C
- AND #$0F" J- X& e4 ]6 [1 k: E1 S
- TAY
, L# C, L* K) r: p6 } - LDA #$00% |2 q- G& C' E5 I f) k5 [
- SBC Bullet_Speed_Data,Y: A! d. s# d$ E8 z6 W
- STA Bullet_Y_Speed,X6 T) v& M0 N8 \1 G n, |
- RTS
" E- H: G! g4 t: c+ [& h -
9 _6 [" O5 s) l - L2_2:
7 [% b5 K/ F5 n& t& _ - LSR/ m* q/ K) H/ f) N" T
- STA Data_buffer
; G- E7 Z7 N+ L - LDA #$00. [' D$ c) q' m
- SBC Data_buffer
8 |9 Y* j5 U9 `- f; L; L - STA Bullet_Y_Speed,X8 T( x, O/ Z! z% _; h$ t: g
- RTS
" ]/ a/ X9 C8 Z0 T* O! k) M2 @ -
8 L5 Q1 ?% w3 z! e - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
$ ?9 a$ K! ]1 P7 r( {- p- q+ j - LDA #$00" G! ?8 l6 l3 ?* Q$ |9 H6 z
- STA Bullet_Y_Speed,X3 i4 u% \' x8 `$ k1 z/ Z
- RTS
+ B; w1 i; ^7 b& J7 B; r -
; g* s( a) A: K; R$ ~+ y7 M! e - Track_Enemy_X: Y; [) F9 H8 x( i- b* y
- SEC
# s3 g1 L% D5 x" M8 ` - LDA Bullet_X_Pos,X# |' e P0 v' O' x3 y
- SBC Enemy_X_Pos,Y. c4 z. [& k7 w% S, ` e
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
5 u# G& b& g. h - BCS Track_Enemy_X_Greater ;子弹在敌人下方0 @9 E3 [6 j: Z8 f! K6 w/ V
- * x- P: Z& {% g {/ ~; x. q: ~
- Track_Enemy_X_Less: ;子弹X < 敌人X' g5 T8 [$ s# r' d
- CMP #$FC$ C& [7 i+ e9 G. T; M: G
- BCC L3_19 s a( {4 z& u' M
- CMP #$FE
1 m" \$ z# h+ F2 n+ q - BCC L3_2. ]6 }& M, j& g: h6 |. C
- LDA #$00) w: M( i+ s6 [2 u0 F9 H/ ?' |' k
- STA Bullet_X_Speed,X
1 p- S% B' _3 }8 _ v - RTS
/ O8 k2 i6 ~( g0 S4 d2 D8 h - L3_1: / b9 d- J1 h0 w( E {
- LDA Bullet_Type,X
5 E0 C/ C, u; l3 S# j- f - AND #$0F
! W; {* S1 r+ T; \' B# L - TAY
: M: J# k2 r) I4 I, L! E% R8 b0 X - LDA Bullet_Speed_Data,Y
, Y9 C, |+ ~+ V3 @& b& @+ i - STA Bullet_X_Speed,X1 M- K1 j% s4 a3 z5 x y0 `" {% F
- RTS& u' a- |4 A" n b+ p7 g
- L3_2: 0 @2 K; l) b6 s
- STA Data_buffer* B. A5 ?2 ^ `) T
- LDA #$00
& e. o8 Q. D4 L8 h8 { - STA Data_buffer
2 x1 {" \. ~ _8 |' u8 ? - LSR
# u1 E3 W6 e6 {1 r1 @! b - STA Bullet_X_Speed,X
4 [! n0 w2 }; v - RTS
2 B- M9 W* M7 T9 R! C - ' Q% Y( G, F0 L7 J% t+ n& V
- Track_Enemy_X_Greater: ;子弹X > 敌人X
5 L/ `. b1 ~8 F9 m3 i3 X, B* j - CMP #$04; g6 p) V; C8 E( `3 T+ m* `0 i5 T" X
- BCS L4_1
& |+ |4 W1 x. I i8 w - CMP #$02
+ f" D; K0 }& W - BCS L4_2# |3 A2 R" H0 w
- LDA #$00; Q% W. T( O5 }+ M
- STA Bullet_X_Speed,X
2 `2 F0 P" r: A0 ?6 z7 H, G - RTS
' [' z. h6 P8 V3 e) Z! X3 c0 h -
$ k8 V5 {) c4 y - L4_1: 4 Q* k1 m$ D' ^+ ~6 s* N! T
- LDA Bullet_Type,X v( S- s3 `/ a; y
- AND #$0F
# s5 a# D0 }2 s. g. p# J L; b - TAY
- Z. v+ K% H% ?( A6 `4 |2 e - LDA #$00 t# J; z3 b- E1 }) K7 n
- SBC Bullet_Speed_Data,Y
% ?4 G8 {& F% x7 L& q8 r5 J! N - STA Bullet_X_Speed,X
+ c( B" U9 |) l* s+ {4 @/ y( H - RTS
. R( r- V3 @- \8 G- i& z1 `( Q - L4_2:
2 g Z* i" T, E1 d0 t$ l& N - LSR) r" v/ \; I+ q0 N9 @# ?" K
- STA Data_buffer
; d8 H5 V9 w+ \* [. G& t! }2 [ - LDA #$00
, m2 g3 x2 d8 _* ?6 o - SBC Data_buffer
! u1 _, t) X. b4 x - STA Bullet_X_Speed,X
/ f# |) s9 C! o - RTS
0 P4 E/ b0 `/ @ -
+ G% T3 }6 b$ E& ^( F, K1 j - Track_Enemy_X_Equal: ;子弹X == 敌人X
" P0 m! s/ r: \( [8 n7 g - LDA #$009 ^$ r6 u+ j# A3 B; G& l
- STA Bullet_X_Speed,X
$ B' y& J8 A' D' m8 z4 H, U4 c! L - RTS" y2 ]: G( c6 b! F
-
6 z; @: a8 z/ O& H! l5 b' k - Bullet_Speed_Data:3 x* \7 p3 @2 u
- .DB $00,$03,$03,$02,$03,$03
+ L0 W. n" A R# [) H* Q - * e2 [; |8 j/ K& q2 Q/ N* d
- ;2, 4关* B% X* y4 ~' b+ c7 n
- Track_Enemy_Ex:
: I! x+ _ K( N5 _& S3 H8 Y- W3 G - LDX #$0F+ e% a2 B" r ?* C9 `, h* i; I
- Track_Enemy_Ex_Begin:
/ [ D& a) B& w; N - + k9 i. i: N c3 h5 z# `* m+ \+ K
- LDA Bullet_State,X R" t0 d K) y8 M% \1 T9 I; j3 z: ]
- CMP #$01* l4 G7 c% w6 z$ S5 o3 H3 @
- BNE Track_Enemy_Ex_Continue
# n5 y! j9 D( o! f- j9 j) V -
) _; {1 E! l5 \9 c6 T - LDA Track_Enemy_Index,X) u" P$ S; L/ c, f' T: `6 R
- CMP Enemy_Index, B; R& g' @: G3 p
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
4 e9 [/ { _! z k6 v3 } - & j5 i& X+ ~& _, l% B6 W7 j: [
- LDY Enemy_Index
& r4 o, R- y0 J& R W' i - JSR Track_Enemy_Ex_X8 s0 [/ |4 e- e. D0 g5 l$ t
- % C o9 i/ s: f) ?
- Track_Enemy_Ex_Continue:5 _7 Q5 f4 @4 C# |
- DEX/ ], W7 m$ T$ q6 y7 L8 Z2 P
- BPL Track_Enemy_Ex_Begin
; g' K' m$ ]# W - Track_Enemy_Ex_End:' x! f* [) r0 l Q
- RTS2 z; f' v0 n8 V1 S% X& |( M% \
-
" q& p. i. [. c - Track_Enemy_Ex_X:- ^ j9 X" p, Q5 v9 G
- ;LDA Bullet_Z_Pos,X/ k. d; m( d5 b! U( y$ ^' W9 M
- ;CMP #$046 |8 Q, V& K( O
- ;BCC Track_Enemy_Ex_X_End1 y/ s5 ^) |) s X9 z
- SEC; n, ]1 }( f5 ]2 n$ |: R
- LDA Bullet_X_Pos,X
3 O- }7 r8 O' _ - SBC Enemy_X_Pos,Y3 K" U) O& O, P3 L8 R
- BCS Track_Enemy_Ex_X_Greater& @: |, ]5 ~ N2 a0 ?
- + ~, v0 e! f! p, o
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
- a8 w( H/ h- K" W; z; _6 _ - CMP #$FD
# ? \- w' W& N9 L- D - BCS Track_Enemy_Ex_X_Less_End
9 O3 B" A0 w, Y o - LDA $6020,X+ w3 G+ a% C3 q1 N+ r
- CMP #$2A% w" X# x; {) v P' o) S k; S
- BEQ Track_Enemy_Ex_X_Less_L1: y# ]! n+ I8 P( K$ U
- LDA Bullet_Z_Pos,X! z8 g' }4 \$ u, \0 n, @
- LSR
# @: @9 E i( \6 H R - TAY
: N& [/ A3 p& Q! Q0 S - LDA Bullet_Speed_Data_Ex_R,Y
9 Y' y! N" ?/ r1 b- g1 j) ` - STA Bullet_X_Speed,X3 J/ ?; |' f. E1 k7 X) g
- RTS
9 { J# ~+ f9 b" h' n - Track_Enemy_Ex_X_Less_L1:
0 u( z2 M& B6 W" {5 ]$ A
; O6 U! b0 c3 q, b4 e" g, m @- LDA Bullet_Z_Pos,X
; k0 L$ d" j9 P - LSR
2 p+ n; h8 y C5 T! g - LSR" d9 S2 `6 `) w
- TAY) I5 e& A) M7 ?: P6 @
- LDA Bullet_Speed_Data_Ex,Y5 [% G2 ^) x% n' a9 I' g* W1 K
- STA Bullet_X_Speed,X) P# R* P. x' F+ s- i. F+ l: F
- RTS
! h# ]& j, W' a, g - ( i2 I: u! S/ V
- Track_Enemy_Ex_X_Less_End:: s+ C( q1 E3 |, L8 Z7 r
- RTS
/ i1 [# A# |* w( e6 ^5 M) f - `) j6 R9 e J5 y! [5 ]" \
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X/ t& k' ~: R7 ~3 c3 A' R
- CMP #$03& H* b: W! e# R+ K4 \; Z1 q' V v
- BCC Track_Enemy_Ex_X_End
1 |# c/ R/ v* c; Z$ t. S - LDA $6020,X, ]( ?0 ^& d! B# ?
- CMP #$2A
4 }" b! |1 C# `6 d5 u - BEQ Track_Enemy_Ex_X_Greater_L1% ]: b& N S8 [! ?) S9 y* i2 f
- LDA Bullet_Z_Pos,X4 @3 ~ Q* \& E. U
- LSR( G& F$ f2 d, j8 o& h; ]
- TAY
3 m; u7 f; y; N+ f7 \4 k: v1 b - LDA #$00
: x+ j3 Y( z( e* D8 S; x- p - SEC
' c' n+ f0 H% A - SBC Bullet_Speed_Data_Ex_R,Y
7 i7 }! J) H4 | - STA Bullet_X_Speed,X
( m8 r& I" \2 K+ L: d; M3 H4 r - RTS
9 c. U4 R6 O9 H" ~9 c/ u/ f9 T -
9 y5 b4 q! q, | - Track_Enemy_Ex_X_Greater_L1
$ K, D7 U: G( Y, Y* [ - LDA Bullet_Z_Pos,X% S& Z6 S- n) `. i
- LSR5 S& x! u. d( u i ^% d0 g
- LSR
) o" w( |! A7 o - TAY
$ l6 @" O/ l+ E0 B - LDA #$002 J7 A6 c# X; M6 A0 `7 t P
- SEC3 Z8 w4 {6 S! z8 w9 h
- SBC Bullet_Speed_Data_Ex,Y) y% h I" U' {6 l% n
- STA Bullet_X_Speed,X
2 a: M& w5 F6 e7 E' [3 y - RTS% {" |8 J. ]# b* ~
-
+ L0 x# f7 Z: p2 s" l T - Track_Enemy_Ex_X_End:+ S7 _+ T6 i+ g/ Z6 [; s/ G
- RTS' s# C1 [; f; p+ ]4 d9 e
- $ Q, f- H3 {0 ]6 V5 {
- ;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 J! a5 l5 k, a3 f7 T - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
; f/ a4 W9 E8 B& N8 d K L. l5 o - Bullet_Tract_Direction:
+ H, x5 [! h1 o0 j$ j. d - LDA Bullet_Icon,X/ _" t1 c G8 ^: v. O" c+ R
- CMP #$23* g2 u3 S. ~4 A2 [5 G8 Y) \: d
- BCC Bullet_Tract_Direction_End
s$ ~% s& }8 y* J - ! ^3 Q, x# l1 u7 B" s
- ; X != 0
7 u$ t0 U7 G0 P& } - LDA Bullet_X_Speed,X1 r% h. p- G, W+ g: e
- BEQ Bullet_Direction_V
8 G; H) `6 b3 g - 6 P5 I& E# @( W
- LDA Bullet_Y_Speed,X+ t& R: l2 Q6 Z
- BEQ Bullet_Direction_H
/ j( c O( ?. H/ ?- r -
' H; c' \) ]2 Z - LDA Bullet_X_Speed,X. I0 l1 p0 P; V% m
- BPL Bullet_Tract_Direction_Right
6 C1 Q; I, l7 y( T* J/ d - Bullet_Tract_Direction_Left:
9 n! a9 c- G3 {( {* | - LDA Bullet_Y_Speed,X
9 T# ~+ ^6 f' {6 |9 g - BMI Bullet_Direction_Left_Top
+ Z2 t! P* [6 q# z$ O5 s! Q! a: X7 x - BPL Bullet_Direction_Left_Down
4 _9 M+ B% h% E - Bullet_Tract_Direction_Right:
0 S n' y% B7 j7 \ R; [) I; Y2 ] - LDA Bullet_Y_Speed,X
9 ]/ L+ D6 s8 U/ j# d7 s0 a - BMI Bullet_Direction_Right_Top7 z1 l1 [ ~+ n) R E
- BPL Bullet_Direction_Right_Down
- v6 W7 ?% Y V& l+ [7 O7 F' P - Bullet_Tract_Direction_End:
6 h/ I ^& Q1 V; C% @& J0 i- x - RTS2 l; Q* _5 _) N( q, d) T
- / k& S2 w" [$ c# _9 s' F5 f
- Bullet_Direction_Left_Top:
4 q l# s" @. n8 C/ Z! c. z) F - LDA #$25
/ c% Z4 K& e* A - STA Bullet_Icon,X; M$ {6 Z3 f# \, t5 P
- LDA #$C0
b$ E# T9 I s: t" A - STA Bullet_Direction,X7 Q+ o0 \. a& G' T2 y+ @+ J
- RTS
5 d6 X' u! t/ J" ~/ r
" h6 L) a" F O! x; y- Bullet_Direction_Left_Down:, g: j0 P, \: [
- LDA #$254 K2 z: G& a; L* d% J
- STA Bullet_Icon,X
1 O+ q6 W% c7 j `0 d - LDA #$406 o$ a% l- y1 V0 H5 @
- STA Bullet_Direction,X
% d, G' |3 C9 x2 o$ Q - RTS, g: c4 w! H! n
* C0 ~; p* a \% I7 M+ T- Bullet_Direction_Right_Top:9 y2 U- G3 Q4 ]- @! G. b9 |
- LDA #$255 w& f* v0 F+ U* q) I& u
- STA Bullet_Icon,X5 V6 O: F8 z- j" `, N, K" a8 n
- LDA #$80
8 I' t4 s6 {# q' {, ] H% G - STA Bullet_Direction,X
+ {- G0 c" @, {* s- Z/ v3 R - RTS
9 g2 I5 u# ^, Y
0 d! ]$ F8 w' P' j) p- Bullet_Direction_Right_Down:
9 _/ s/ y( J: g. F, ]5 U/ _ - LDA #$25
! q& {5 s0 V! A9 u. p: R, ^ - STA Bullet_Icon,X
, s/ c! {9 l) C7 }- S; ` - LDA #$00
. r- _8 S8 [5 Z+ @* X( g - STA Bullet_Direction,X
+ e% y( A9 A9 R% x( m - RTS" s& U; K) B2 w2 J. s
- ! m4 |$ P# w. a
- Bullet_Direction_H:
( g5 i2 j9 `2 Z$ O" s* e6 i& L+ p - LDA #$24
) j' _7 p& D4 {3 n, F& @ - STA Bullet_Icon,X( s c8 q; J5 K
- LDA #$00
+ j# Z) k5 A; @; v& o$ i - STA Bullet_Direction,X* U- a& w3 w* f2 l! }
- RTS
& d( w1 c2 B+ ~3 ?
8 [ X- g0 R: G, Z+ I* Y- Bullet_Direction_V:3 r0 H, K" i. k* _. j
- LDA #$23/ p/ F- ?' Y: F' Y! q& X: W
- STA Bullet_Icon,X
, e( H Q* Y% S: i2 k1 {& S# w - LDA #$005 c! L9 b$ V5 Z7 W
- STA Bullet_Direction,X
2 ~! I; T. E; n0 |4 W9 T0 Q - RTS, _5 Y0 N; H+ B5 n4 Q
- 8 J/ w/ X9 u% o
- Bullet_Speed_Data_Ex:
9 q# L1 {* j& {3 J1 y - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
+ M+ K: A0 y8 Z# ~8 M! a/ V4 @ -
3 j) _9 a4 N, ?' u1 X4 N - Bullet_Speed_Data_Ex_R:! u( K) Z& J4 a7 c* C" e
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
" V% Y# E3 Y/ }% H& S, C7 x ] -
复制代码 ; I Y6 h1 \8 s
' |; e. y# t1 {2 C5 H% J8 L |
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