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[FC][魂斗罗][J][追踪弹]5 s3 {' H. S7 c5 z/ E) p7 h8 T
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时间:2023.04.30
6 B& d$ \, W! L4 E& u3 e( z作者:FlameCyclone8 m9 l) o0 l* c' m) c
内容:9 H/ z9 e. d+ f8 }# U. k4 d+ V
1. 所有子弹追踪敌人
8 w( @6 E: j% j( `& P6 y& u F8 D1 ^ 2. 选择键切换武器
- E1 x) a: }1 \$ i+ {, t 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/ k _/ F0 |0 D. d1 e
, L$ |# n( ?5 ~! Wflamecyclone.ys168.com
! A! b1 w2 w1 {3 G$ L x3 M/ t1 U3 r, m6 T
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
# p* j( Z5 T4 v% S3 i7 l+ I - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
& s6 Y6 P* A8 r& e% r( C4 K3 M - 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)
+ H" E2 C: `7 x6 r) X9 S
, C, r2 m) X2 H6 q3 i9 q3 m- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
' x* K6 R; s, C$ p4 L: o - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上6 q- y6 C% f) |4 h
- + y5 v# ^" ~( g$ _2 t
- Track_Enemy_Index = $6000
1 s# Y/ s; O7 V9 \2 J- X, A4 A. X - Enemy_Index_Begin = $6010. L0 r7 ]8 S! D( `
- Enemy_Index_End = $60111 m3 U, r E; {. ^/ J. X1 c" H
- * G* W# _. {' y" D$ q8 ^" a7 e
- Loop_Index_I = $60125 I7 f$ ?0 S3 h, Z! ^: \ F
- Loop_Index_J = $6013
% W! m' ]! Q- l2 d0 n# c( f - nEnemyIndex = $6014, Y' q9 {2 C+ q) ^3 m6 g% R* g8 B
- Data_buffer = $6015" q( Y3 o7 V, d, ?* a
0 F9 X; n$ T5 M; A' S d+ D- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
! c6 ?& {3 F( I - Bullet_X_Pos = $03C8 ;子弹水平坐标7 u0 l! c" J5 |
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
4 S s. T7 R. r7 L' f$ c+ e" c - Bullet_X_Speed = $0408 ;子弹水平速度
, V# I7 G: j! x) R" G - Bullet_Z_Pos = $0418 ;子弹Z坐标
1 s3 v7 \3 r# M" p2 C - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P2 J5 F# w$ G! l" J; O( C$ g
- 5 |* x* L8 h9 D( j9 P) d
- 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
7 v8 p0 [( w O0 o. s; ]. c - Enemy_Blood = $0598 ;敌人血量
# X* K- y& B( M - Enemy_Type_Addr = $0528 ;敌人类型6 @2 t7 \6 R8 k$ G- |1 m
- Enemy_Blood_Addr = $0578 ;敌人血量
/ u! f8 M7 v3 a5 [2 Z2 h - Enemy_Y_Pos = $0324 ;敌人垂直坐标/ W( R4 |: h; |! W% t* V
- Enemy_X_Pos = $033E ;敌人水平坐标0 R5 k% S; z ?6 Y- [
- Enemy_Y_Speed = $04E8 ;敌人垂直速度, _! Z& ^- w4 n" {$ L
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸5 _7 p$ v8 ?' f* t# P
" g. \% H4 ]" J' [- Enemy_Index = $83 ;
1 ~7 i+ C3 K2 |' g - Time_Count = $1A: ~1 x3 q( b7 Y0 \# e* ~' H
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率 ?7 E- c! o* f! {* `
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率' {0 R7 e, f- ^ r: }
3 L' U) P/ S a+ U. v
- x+ j8 H* C( I) \! n6 e- .ORG $6100
p, Q% s. }5 K2 a# g: Z S9 R4 J - Process_Begin:2 g9 c/ ^: Q( y
- JSR Enemy_Check
9 ^& T0 X( H. W5 R2 f' y! p0 G+ x3 s - JSR Track_Enemy_Check
( H+ m- x* l6 b( F7 G. M - Process_End:
6 {& ] v# _* V3 S - JMP $E54F
* w- {( q* \4 {+ |3 t8 R G - ! G" [3 e% u: H$ |9 @5 y8 [/ X
- Enemy_Check:5 u5 M* m3 t3 V# M
- LDA Time_Count! j7 n5 F" R A F r6 L. w: ]/ _
- AND #Track_Bullet_Speed
2 e# ~' `3 K- ~$ O) N m - CMP #Track_Bullet_Speed
7 X; e+ w3 f8 E - BNE Enemy_Check_End3 J* ?. ]8 {# e) P
- LDX #$0F9 w: H3 y6 j% Z
- Enemy_Check_Begin:
4 ^; i- K6 |1 k9 l6 f - LDA Enemy_State,X3 U' L) H: }' h" U3 B5 r' h- `
- BEQ Enemy_Check_Continue
; t8 `( L5 K$ [' E - STX Enemy_Index( ]) c# z# o& h. w# R3 @
- JSR Find_Begin_Enemy/ v& ]7 F7 V0 m
- JSR Find_End_Enemy4 k, c2 `0 Y) e& j7 u& r: r6 t
- JSR Bullet_Track( {9 T3 e5 [( k
- # a: ?" s$ _* q3 g4 F1 W" c
- LDX Enemy_Index' q9 f0 N6 }2 q+ x" U
- Enemy_Check_Continue:& N3 B" m! ~ ?- @" _5 |, O( {+ _
- DEX
7 g7 x6 w+ w( d( o# V - BPL Enemy_Check_Begin8 a9 F# u) H* J! x# J1 Q3 B% J, N8 Y
- Enemy_Check_End:0 d( f8 e# T: N& N4 l3 ?6 b5 i
- RTS
, c* ]2 J! T* F4 o1 U! l7 \1 F -
0 ]5 x# S6 b- D2 b. \ - Track_Enemy_Check:. q" R, l5 k/ X. W& s r
- LDA Time_Count
/ A- n( p* Y4 p1 p4 r% Y - AND #Track_Enemy_Speed
# K3 g! b' B. s9 e5 I) c/ S) ` - CMP #Track_Enemy_Speed
0 a/ S& c8 N' Z1 i9 Z" O R' ^ - BNE Track_Enemy_Check_End6 m9 z0 |, @$ z- j3 j4 a
- LDX #$0F
# h7 { y; [% B3 ? - Track_Enemy_Check_Begin:
# V8 |- m5 d$ `+ Z5 b! ? n! j - LDA Enemy_State,X
+ m7 ]1 g& `, t# _ - BEQ Track_Enemy_Check_Continue8 D, T& T5 c" S+ M1 I! [
- STX Enemy_Index. N0 h- H$ v* g; x7 T7 I7 e+ \
- * _& _2 v: A8 ?( k
- LDA $40
& { a: y8 K! ?# E6 G3 P+ a - LSR
7 u- r( y9 n8 m, Y - BCC Track_Enemy_Check_Begin_L1
7 R0 b% q9 ?! R7 U -
9 T# i2 v$ X$ z/ N9 c - JSR Track_Enemy_Ex ;2, 47 n0 W0 U1 ]( t7 Q4 E1 f- s
- LDA #$00
7 n H! s X# k - BEQ Track_Enemy_Check_Begin_L2
% F. \* q! O+ P. m! a5 L! D) L -
6 w* \' B; Z8 f( n# U$ Z" \ - Track_Enemy_Check_Begin_L1:) _; z' u7 J- f$ ^; D+ y( T& L) e3 x
- 1 ^% F; X8 B( ?3 D) r$ B2 L
- JSR Track_Enemy+ w4 Q% n6 E$ z* j- c( T+ I+ ]
- * v0 ~ C$ n, \7 S
- Track_Enemy_Check_Begin_L2:
* f4 M" ^5 \1 o6 T$ D# B - 2 B) r. }' J* P' K
- LDX Enemy_Index
. p8 E" |& L. w - Track_Enemy_Check_Continue: X% N& u+ F/ L5 v( J& z
- DEX$ z8 H1 W+ d; T" ]9 U. Y) L" L6 ~4 i
- BPL Track_Enemy_Check_Begin) ^3 {$ w4 g- ~& p; A U- }. h% A
- Track_Enemy_Check_End:% J' ~* S' W2 g: u
- RTS
3 ~1 K" C9 R& _7 r, W* p$ g6 E
: X" {! v! D% C& @
5 n$ f8 ]' G6 m) _1 [- ;查找第一个敌人
6 H; p3 q" Y6 J/ w. B6 z; U2 e - Find_Begin_Enemy:" T5 B$ D( \2 l. _: i5 n/ B ~3 Q$ ~
- LDX #$00$ L: @% s3 l0 N7 |
- Find_Begin_Enemy_Check:
}' f$ Z5 _" b* M - LDA Enemy_State,X
% |; W5 } P: M1 G2 g - BEQ Find_Begin_Enemy_Check_Continue
6 b; p( }. ^* e - LDA Enemy_Blood,X
# ~2 f& x# K' H, [! A# N; A9 v - BMI Find_Begin_Enemy_Check_Continue
* j1 o L9 F( ]1 M9 P1 _: c - BNE Find_Begin_Enemy_End! g3 }6 e2 N9 `
-
! j) S; U+ i* z" p- H - Find_Begin_Enemy_Check_Continue:% Q0 N& Z# ]; b$ @: @
- INX7 |* E$ P" Z) O
- CPX #$10% P: w; s# u2 g( _& \4 p# `
- BCC Find_Begin_Enemy_Check8 m4 e. ?5 k/ ^. f3 K
- Find_Begin_Enemy_End:$ P# l$ L* v: e' W, V. _! n
- STX Enemy_Index_Begin
# s) _# ]( a% L% e R( r - RTS
2 }$ R2 t& c& V4 h) ~' M - , g) r3 T' s: H( g4 G/ q# f3 k
- ;查找最后一个敌人
8 l! f3 K4 `/ ?# \! K/ n - Find_End_Enemy:
l) b4 P U/ B& u) [ - LDX #$0F
" A5 k7 q2 M- q5 } - Find_End_Enemy_Check:/ ^. w7 R1 g* a7 H' {
- LDA Enemy_State,X
( ~; ?; h4 z! B$ C3 k) H - BEQ Find_End_Enemy_Check_Continue
' q+ n1 v) [; e- B! c! @) ^ - LDA Enemy_Blood,X3 v( e9 ^( L4 I- v$ `
- BMI Find_End_Enemy_Check_Continue# p+ V- _. e$ J/ q
- BNE Find_End_Enemy_End* ]0 B: k" A0 L$ F2 [6 Z& L
- 8 [" @" t6 t- Q: O! x
- Find_End_Enemy_Check_Continue:5 U, T% A5 I* V2 d
- DEX
% V( w# n+ N* Z& s6 I - BPL Find_End_Enemy_Check
, Y: u% A7 D3 p- q - Find_End_Enemy_End:
|; l/ {. O( h2 Q4 O - STX Enemy_Index_End
6 A9 `4 b! c0 s; Q$ D; i1 n - RTS q4 Z( y" R9 I; q( T( p" V& V
- # l$ H) `: t4 F. Q3 r
- ;子弹追踪+ \' Y: q d X2 A9 b
- Bullet_Track:0 O3 s, T, _+ r. C
- LDA Enemy_Index_Begin
3 G: `$ b! ]' b d5 N2 H7 N - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;) r8 M s: ]1 S9 R" w$ U
- LDX #$00 D7 P9 V* U! ~# [" ]3 f
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
0 b- K5 ^- T# {/ X B, X# s2 t - LDA Bullet_State,X
) b, Q$ ]8 e" w - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
' M( X0 r: Z) r - STX Loop_Index_I
0 l! R; L2 M X# o; I0 b" U k" b - 6 `( `9 q V+ v+ y' W. U+ |
- JSR Bullet_Track_Enemy
! d( M# N7 p$ T0 z* ~& K4 W8 L4 O - JSR Bullet_Tract_Direction
7 I& [7 F! e& `& W, r0 N) w7 O* k - 9 D0 e* L# o! h6 f7 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6 X; r0 a' G/ }, p6 I6 m
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;& b4 t/ u8 H2 i/ T. x
- LDA nEnemyIndex
) E4 E2 k* ` f. [ - CMP Enemy_Index_End
& g, c# l1 e/ F* q0 e% k2 H1 X - BEQ Bullet_Track_Check_Continue; C6 B7 t! Y3 Z- D7 b3 q
- BCC Bullet_Track_Check_Continue
& J( Q( @) K1 ~. D! I: r - LDA Enemy_Index_Begin# p/ o# `( v2 s* T! a4 v' `
- STA nEnemyIndex
5 m9 D& j& M6 Y5 P# Z# A7 G1 b - 5 m6 \- z' S( |, I
- Bullet_Track_Check_Continue:- Q! ~6 b0 @# O% V
- LDX Loop_Index_I! x1 b$ ^" q8 r2 O# o; E
- Bullet_Track_Check_End:
1 u; ~, j0 s: o* d) ?. Q0 C - INX: E# J$ f' w& v/ A& L- b! _4 X" A
- CPX #$10! J) h4 @/ c3 K) N, Q# A, y' I
- BCC Bullet_Track_Check
8 w- V4 E8 K; H8 u3 N; ~ - Bullet_Track_End:0 ?8 Y6 \$ x, v% a6 r' S g9 X* }
- RTS. A, B4 H# h# {; \$ c: I
-
% G: Y; q% M. o - ;给敌人分配子弹
5 @3 Z# O- k! s* U, D - Bullet_Track_Enemy:
1 p* ]$ m) n/ N7 s2 [3 m) Z - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)( \ R ]8 S/ k) ~
- Bullet_Track_Enemy_Check:
) U2 p* n. @) ~% B - STX Loop_Index_J/ L7 A9 P$ A/ Y/ s4 i* N4 \3 S2 P
- & H8 V( R2 \, A- T9 l2 d& f$ H
- ;if (0 != nEnemy[j] && -1 == nTrack[i])/ U' R V3 q# U: i4 @, ^+ j
- LDA Enemy_State,X
; z+ k' b; O+ O( g$ M) I7 ~, Q/ r - BEQ Bullet_Track_Enemy_Check_Continue6 }; i5 u D7 Y9 H8 h) H
- LDA Enemy_Blood,X
3 h. j# N9 t& e - BMI Bullet_Track_Enemy_Check_Continue) Q4 _/ O# E& K" U& {& \
- ! Y9 D! r, y+ Z2 c
- LDX Loop_Index_I% ? F- x( h% E% M) L/ y
- LDA Track_Enemy_Index,X
6 i3 @ `" V) h& n( T - CMP #$FF6 ]6 p' B) c: R/ ~' g* h' G
- BEQ Bullet_Track_Enemy_Init/ D1 W" q" F- l7 _$ ]' B" l
- , V+ S- ~1 {: C6 X$ g, P' w+ n% Z
- Bullet_Track_Enemy_Init:
) J; c9 C! G, K- U d! j - LDA Loop_Index_J
4 f t/ i: F; J8 G( U3 N - STA Track_Enemy_Index,X ;nTrack[i] = j;
" d e0 _$ \+ | -
) t5 F/ \ |! e/ d - STA nEnemyIndex
) K( w5 n0 T+ Y - INC nEnemyIndex ;nEnemyIndex = j + 1;
% Z3 G' ]4 L+ x4 F - RTS ;break;) K; O. m5 J, X6 ~6 _- a6 s8 O
- 1 l4 |5 c) a- k% j) D8 Q" `( e
- Bullet_Track_Enemy_Check_Continue: I) x4 A8 ^0 T! v" _
- LDX Loop_Index_J6 C6 o- H9 L' F' R% Z: ^
- INX ;j++
% h, o6 e" ?" ]7 s) S7 E3 K" F1 g - CPX Enemy_Index_End. H2 Q0 U9 W7 B
- BEQ Bullet_Track_Enemy_Check( u3 Q2 d) s8 P$ X) E# ]
- BCC Bullet_Track_Enemy_Check
* R# l e/ `- P: _1 k" H - Bullet_Track_Enemy_End:* _ _0 z( {" E+ l# d2 ^, S
- RTS8 w( v: K/ F* }- J' B
- : ~' v+ p# ]+ I* p! x6 q( v& B
- Track_Enemy:' b0 T9 c4 |5 f
- LDX #$0F, v' p9 J `& l6 P
- Track_Enemy_Begin:" H O% z, K3 f, R' E
- LDA Bullet_Icon,X
8 w3 Q& L' }9 ^" y& k D3 M! h - BEQ Track_Enemy_Continue
0 \+ T) \4 L1 r - LDA Bullet_State,X. J1 z$ l" N5 a3 c+ S
- CMP #$01
# n6 N, W4 R' r' N) [2 Q - BNE Track_Enemy_Continue, K8 R$ M) d b" {4 r/ n6 U9 d3 B* J
- 3 [: p4 ^/ s, P5 t
- JSR Track_Enemy_Process
4 o2 C4 U- M* a, n+ ` -
G1 N4 e2 Y) ?4 \$ x9 D$ |8 x" W - Track_Enemy_Continue:# h+ N% o `# E1 _+ a0 ]
- DEX
* d/ z* f& X( D% H" e$ s - BPL Track_Enemy_Begin
. y0 G6 ?; g3 r7 A$ w" x7 ^ - RTS8 h7 I. h% q! U% F* j, O
- / v+ V) C, c. L
- ;普通关卡$ }: d# \3 [2 D- O
- Track_Enemy_Process:
4 ] U: y; ^/ p - LDA Track_Enemy_Index,X
0 _, ^( [3 _" u% i. F. n - CMP Enemy_Index$ H3 {# N; K! ~3 J8 a) A
- BNE Track_Enemy_End" b& p! M& X4 T& `. `/ j
- LDY Enemy_Index$ c& _ m6 [* o/ g! U+ d
- JSR Track_Enemy_Y
* B4 t( c- g, _' r0 K - LDY Enemy_Index
/ `7 P/ J/ e3 N% q# g; v; w3 l - JSR Track_Enemy_X6 w% d1 K) h+ b( k! i$ a' Q
- Track_Enemy_End:
& e# I- n7 ^' @1 k, T - RTS1 ]) J5 N _' k- m b: `, t
- 8 s" {0 `5 v7 I2 E
- Track_Enemy_Y:
* r" K2 [ T, a: a4 r# Y; ` - SEC2 R8 N1 z* O6 r4 L# P. t
- LDA Bullet_Y_Pos,X
8 @! ?9 u9 }. Y* c; \8 V - SBC Enemy_Y_Pos,Y
r: ?, K2 }; q - BEQ Track_Enemy_Y_Equal( m4 I9 h3 `/ S: [
- BCS Track_Enemy_Y_Greater2 s) f5 m/ ?5 u9 A2 V4 ~8 `
-
$ k5 @3 k3 H' u9 z9 e - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
+ m! G: Z9 S, t# K- J - CMP #$FC* r, q% C2 w2 `
- BCC L1_1
' |) X) {, s$ n6 \* Z - CMP #$FE
" a X4 Q+ ^9 u) P p - BCC L1_2' r5 d! {" G, {' C7 y
- LDA #$00* K3 b/ v" W1 ]* P- F$ ` u
- STA Bullet_Y_Speed,X; v) j: z4 v3 P6 P! F7 h; A$ _
- RTS: [, Z# U2 m. z* g' ^- s) e2 j. i
- L1_1:
' L1 X0 Z9 ?5 ? - LDA Bullet_Type,X6 D( T5 q! a2 D/ v9 G h+ O8 W$ m
- AND #$0F/ J% D5 k4 l0 {& r
- TAY% v$ ~6 [) m5 h, \9 r! t, a
- LDA Bullet_Speed_Data,Y) B {1 k& q% ]+ m" b g+ j1 t& \
- STA Bullet_Y_Speed,X0 w% Z$ f; g& l! `% s
- RTS
7 F0 F9 X! |3 ^, C' o$ d; c! B - 6 I' [( d/ K6 O' H9 V
- L1_2: 3 s5 I4 u8 P0 v0 H, W
- STA Data_buffer" t( x( H; x- [/ s7 G4 H$ l
- LDA #$00# A! J J6 G. m' L5 R3 Z2 i% s3 S
- STA Data_buffer
# n8 G* n# h5 U) h+ a - LSR _! T; \7 f" F& X/ r J* N
- STA Bullet_Y_Speed,X8 o4 f5 o$ r6 [0 J! W7 Q6 U
- RTS
( L3 r; f9 G3 ]/ f/ |
% K: o- o8 R" g. ~" G- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y1 p6 r2 r+ y* w: s: V3 N: n' {
- CMP #$04, d" M+ x& p5 a% l P- H9 B
- BCS L2_1
* l2 b8 m7 e) t- D& C! V3 H' F) G - CMP #$04
9 o) i6 _6 L# R7 |6 }" p - BCS L2_2, N7 x/ d& q% Q9 \% i
- LDA #$008 S0 ]% I1 Z3 Z$ w; S
- STA Bullet_Y_Speed,X9 X8 d: e- R2 ?/ P9 `
- RTS2 F% |8 u% \/ j4 U
-
" b/ t" ]( Q4 k# R2 w - L2_1:
: N" R' O t" R9 k8 |0 l% d8 ^ - LDA Bullet_Type,X. W2 {! M" z/ R. T& [3 a
- AND #$0F
: a3 n" c- [! L( u" L. M - TAY& {2 H9 e( m4 o; g* E
- LDA #$006 _! K& `9 I% r8 _& b
- SBC Bullet_Speed_Data,Y) s1 D6 @& A" X+ c3 C1 L
- STA Bullet_Y_Speed,X
8 c: y2 `4 A1 M1 `2 j6 x& \/ o8 P4 O - RTS
. a2 [$ ]' Z l. }. h% Z5 R - 6 R# b3 }/ ^+ W5 n4 H$ m( g, w$ Z
- L2_2:
% I; M& n$ A2 p$ y9 A- Q - LSR
J; N0 G) P. B) [ - STA Data_buffer
1 z; H/ t& \4 G" n$ v1 A - LDA #$00$ C: l; N: E; C$ q* i- q F; B
- SBC Data_buffer
8 t, x, ~: W, f - STA Bullet_Y_Speed,X
, l3 h& C& t9 r- j# N - RTS
& W$ d# X0 W1 A3 f$ t - ) ]. a( S* C3 H
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y* V2 P T) Z# p$ p* S- G6 g
- LDA #$006 J: _# |. G: F. S$ E& J0 D
- STA Bullet_Y_Speed,X
4 ?4 c) S0 @ v! o9 \: X - RTS* \; i! A6 ]& k8 h5 |7 q* l
- 4 k7 ~( Y/ R5 p6 H0 ]
- Track_Enemy_X:( @/ y; E: i7 M( F" h
- SEC
) p' n, `. l9 a6 D, n - LDA Bullet_X_Pos,X) e- [! ]9 x( `$ D& ~
- SBC Enemy_X_Pos,Y f) P/ [4 Y- k9 ^6 M8 {
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X1 D6 J+ k& S, v3 N# U* j B
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
; U! A- O( c. ?& ` - 4 a+ N a0 c2 G# _0 S$ p6 y
- Track_Enemy_X_Less: ;子弹X < 敌人X( U. _; N$ f6 _
- CMP #$FC
3 {. [0 x% D7 ^ - BCC L3_1; ]$ E& d$ K. J2 M) I: \0 m
- CMP #$FE
2 c2 T& [/ N% W/ A" l1 y3 |, N - BCC L3_2( ^) ^( `: K9 ]
- LDA #$00
- }% t: p, v5 h" L1 \ - STA Bullet_X_Speed,X
5 b4 S$ |( c+ \* d& R, n/ f& O - RTS
9 c: L2 ^. ~+ W/ @2 D - L3_1: / J: d) f7 W2 H
- LDA Bullet_Type,X
' Y8 K* ]& b/ N! c, W1 t7 P4 y; Z - AND #$0F- I, A# K: p: s; Z, V+ N
- TAY0 E8 e: G7 W; i2 v. N# \
- LDA Bullet_Speed_Data,Y- T# \) U4 n# } ]$ t" o
- STA Bullet_X_Speed,X( f, W8 y2 n' t' i7 ?( ?+ Z& I9 O
- RTS0 I' d2 m- N5 P, p7 D
- L3_2: ( c6 b. W# A' M5 q' X6 I
- STA Data_buffer% z$ x/ X1 Z* j: Z2 b( ~
- LDA #$009 U; A# I3 h" S% @; P% @" Z
- STA Data_buffer; ?8 a; O" z8 j! V1 Y# z
- LSR& Y2 u8 r0 S# n; s: _: C
- STA Bullet_X_Speed,X
) z" C, A9 }0 `. Z2 Y2 \9 D8 `5 u! K - RTS
/ `+ [7 r8 X" r9 P8 c# a - 7 G& `7 s4 S9 t7 R
- Track_Enemy_X_Greater: ;子弹X > 敌人X
6 R8 a$ R2 R; B - CMP #$04
& s% ~! n0 ^+ b( B - BCS L4_1
$ U) B2 C; E- S8 V+ R - CMP #$02
% i3 O4 o7 s- V0 z0 N" t- l4 v - BCS L4_26 p* q! \; T) C' @
- LDA #$00# k, d6 F( s6 a4 t) |8 G! I2 ?$ e
- STA Bullet_X_Speed,X
4 ?: B3 \( s* O - RTS
0 W u: k+ T& E -
" z; B6 Q2 B: [) ?+ z( w' \ - L4_1:
+ q" |4 ^" }. L* J! t - LDA Bullet_Type,X2 T. _5 O% i% `3 t+ ` A
- AND #$0F
3 G1 v5 V. O6 Z P - TAY* Z+ |/ B/ [. T3 ^% }! L
- LDA #$00' d! T0 N: W: H1 U7 Y2 }
- SBC Bullet_Speed_Data,Y+ {( B1 T- Z3 P+ @3 n
- STA Bullet_X_Speed,X
4 r" `- K% S) R, D: y! @; o7 G$ v - RTS
, G( Z2 C, w3 o& y" P - L4_2: " }" [3 W2 C' |# e* b
- LSR4 x. h+ a, p2 r" h7 R( }
- STA Data_buffer
! m1 z' c. K, d( I& _8 J - LDA #$00) |8 U) i- v, X$ W& O
- SBC Data_buffer
+ r% S4 X1 N& R* \, _* R: o9 R - STA Bullet_X_Speed,X/ }4 D1 l0 O1 ]2 U0 y# I4 G
- RTS( `# y7 {3 C7 U1 J
-
! {: @, J6 B6 n7 m& T- A/ t+ _ - Track_Enemy_X_Equal: ;子弹X == 敌人X: l7 X. \4 O. B( r5 U
- LDA #$00! H3 V5 h( \ \# @0 A! T
- STA Bullet_X_Speed,X: f/ O& t. ~1 _; H" y
- RTS
0 v; U) l7 [, K - 4 c# S, _8 q5 }
- Bullet_Speed_Data:
' g" b! ]5 x8 O2 z* C - .DB $00,$03,$03,$02,$03,$03
9 Q& V6 [; k1 [8 `5 {6 F( f - . l# P: P' K9 U- n' [& V, P4 t# p
- ;2, 4关
c8 X3 a" \$ C( H1 Q0 n- c - Track_Enemy_Ex:. E! Y! ?6 h; v- X; _
- LDX #$0F) h- ] \7 S ?) X
- Track_Enemy_Ex_Begin: O8 R3 x9 r. t1 q1 [( ]: j
- 7 U# k5 S! y0 y9 x3 E# _) \% j
- LDA Bullet_State,X" U- Y$ H9 X* c
- CMP #$01
& V I3 E1 D r( I' [' a! p - BNE Track_Enemy_Ex_Continue% {" x e" O+ s2 D: G& E1 V
-
0 e$ p2 J/ o" a- T" j - LDA Track_Enemy_Index,X7 A8 y) \, x/ V2 c9 i5 c9 q
- CMP Enemy_Index* `* H1 f8 F) ~) v. G' e
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标( g8 q! J0 c& c4 @/ o* N, T9 D
-
( C/ B% u8 j2 a+ @; V5 Q - LDY Enemy_Index7 c( ^" d/ a8 r
- JSR Track_Enemy_Ex_X6 S# n; }" r: \' c# [# O; h6 t
- : I8 m R7 r( ?5 {& l7 p
- Track_Enemy_Ex_Continue:
* o$ a. {5 u3 C' T, J( a" c4 r - DEX) e7 m* [# ?- s' o
- BPL Track_Enemy_Ex_Begin7 e5 V; R5 T. h( h5 c: M
- Track_Enemy_Ex_End:6 T/ `, s! U6 C2 }& m% Z
- RTS
1 |4 W( _& H9 g4 M& R" K -
% a7 D. D5 V. Z3 Y7 o - Track_Enemy_Ex_X: T2 w: O% H! x$ t8 l( G! _3 u
- ;LDA Bullet_Z_Pos,X4 t6 M; O5 ~* ` J
- ;CMP #$049 m( x. D$ U, B* L1 i3 i
- ;BCC Track_Enemy_Ex_X_End) [; m8 }% m+ \, |
- SEC: Y7 L/ p# @8 B( D
- LDA Bullet_X_Pos,X
: Q5 f' [" |& w5 g# `3 `/ f - SBC Enemy_X_Pos,Y
6 Q( |5 z. {* p; |8 |( N0 ? - BCS Track_Enemy_Ex_X_Greater; ~, f% @. v* J! q- @7 L3 B* f
-
/ q" F1 H; \9 F5 d; ^9 I4 X. ]$ _ - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X7 @/ ?2 Y: f& \0 A( S
- CMP #$FD
) M: i9 h5 ]% G; _% A - BCS Track_Enemy_Ex_X_Less_End5 H5 Z7 U3 P' Q* T8 O1 i
- LDA $6020,X+ x$ K0 h4 H. z; h
- CMP #$2A
1 W i. T) j" O! O/ n - BEQ Track_Enemy_Ex_X_Less_L1: H. g1 u& [6 o$ @! v
- LDA Bullet_Z_Pos,X
( M: `9 C3 a4 }) B5 P5 h - LSR
/ b8 `8 S' p$ s4 ~ - TAY9 H$ t2 c2 F& c! g8 u
- LDA Bullet_Speed_Data_Ex_R,Y
* W0 N; z, I9 S5 ~; j! @ - STA Bullet_X_Speed,X
" r6 j" j* E8 Q - RTS& \' W/ x- A3 Q! @2 W
- Track_Enemy_Ex_X_Less_L1:- E1 L- V _! ?! Z- h
- 2 Y; ?. n4 [. M9 ^4 z
- LDA Bullet_Z_Pos,X
* Z; a, A8 E! m5 t: ` - LSR
0 R; r, V9 J9 N - LSR* Q4 r; ^% D9 ^) T2 O& b D7 R4 ^
- TAY O6 j. l* I, H6 U9 n- ]& {9 O6 b
- LDA Bullet_Speed_Data_Ex,Y
; [- h' b6 u+ \$ [5 w0 {4 W - STA Bullet_X_Speed,X
: P' D2 P3 a3 x2 P1 u6 Q - RTS$ n' r1 h% \% @9 ?5 l* M# R8 C
- " A, B. K6 P- p, ]' f+ O
- Track_Enemy_Ex_X_Less_End:
$ ~* e% i2 ^& S i$ k - RTS. G/ }- s* J( P' x; f
- : E! y! A3 G* b
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X/ F0 u8 E i0 G- E
- CMP #$03; q" }# c2 [2 z8 S
- BCC Track_Enemy_Ex_X_End& r! O" L$ f) g( {9 U
- LDA $6020,X+ g4 F8 E+ ~: s( [1 U3 h
- CMP #$2A" R9 `. ]3 h: h: i: r3 O
- BEQ Track_Enemy_Ex_X_Greater_L16 h( [8 l/ x; @2 U+ K$ H& v
- LDA Bullet_Z_Pos,X" P5 M# a! @. V: L: W1 Q/ @; T$ |
- LSR0 @- ?" A! v, `. \6 o! ^) v: d
- TAY
y. m5 b2 Q3 F1 l2 ?% Y9 P" g - LDA #$00
* r7 R- ~1 A( |1 q - SEC
* N5 {1 I9 Q8 k% C - SBC Bullet_Speed_Data_Ex_R,Y
' P- @) ^6 B) e5 v. J - STA Bullet_X_Speed,X
5 U; Z: j5 f6 J - RTS
( g: |9 s2 u8 ] ^9 S% k/ l1 @ -
# ?' J" C9 D y: ^* g: n' j - Track_Enemy_Ex_X_Greater_L1
+ [& i5 c- r; V( }+ g! A - LDA Bullet_Z_Pos,X% x% ?8 | ?' }. g
- LSR
$ t4 N9 E# a6 g* h! E, D+ l# C! }. m - LSR
7 C; g3 P! B# i% ?9 w6 v - TAY$ {$ Y# |, i/ Z( r# U3 S6 n
- LDA #$00
* K" o: b& K1 h: ~ - SEC1 n4 F- i% X7 }% ]/ V! J
- SBC Bullet_Speed_Data_Ex,Y
( i# E) {. Z. A4 ^% r6 D8 d - STA Bullet_X_Speed,X) G! ?# w! r9 n' W; Q1 E, R/ a( X
- RTS, [8 C1 n% |* P& K( ?( n1 T
-
+ S3 d! G% ?- D3 K5 E2 c* | - Track_Enemy_Ex_X_End:9 C' J. @; J0 Q/ E5 Q
- RTS% `: c" P# p5 R) A+ e. ?. K
- 4 s7 g: a6 x8 m( @( Z) T& }- A! 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)
( u9 P2 R+ d e - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上+ l( M) ]. @+ h
- Bullet_Tract_Direction:- I' [4 m! Z1 o7 \5 P# Q$ ]$ g
- LDA Bullet_Icon,X4 Y" T1 R7 u( U/ [5 v3 L7 l& i
- CMP #$235 p: g( o+ Z8 {9 U8 {
- BCC Bullet_Tract_Direction_End
6 ~+ { A# ^( [' Y - 9 Z q4 d. O& C& j5 ?# m
- ; X != 0
6 L( T- K2 s# Y+ f# G - LDA Bullet_X_Speed,X& p8 l0 P/ V" O" X& }2 A- T% L0 v
- BEQ Bullet_Direction_V
+ A6 ?- E) i0 T, r7 r9 D2 h -
) Q6 W) ^5 N* q$ S - LDA Bullet_Y_Speed,X
! _* i" ?6 k) K" `# b: r* O% U8 J - BEQ Bullet_Direction_H
! W* @4 I/ J' k; R/ a* g4 D1 l - 1 [) H$ `% r5 J7 F4 e
- LDA Bullet_X_Speed,X0 y* a. i7 S! F8 o, H" H5 B
- BPL Bullet_Tract_Direction_Right
. n! h+ W' m$ i( h$ S( z% `& o8 s% Q" L - Bullet_Tract_Direction_Left:
& k- r2 |. D7 s4 v ?/ F - LDA Bullet_Y_Speed,X
& C% p* q: I. J2 O8 ?4 f- G - BMI Bullet_Direction_Left_Top8 l3 {8 D% j' z$ b; Y; J
- BPL Bullet_Direction_Left_Down( ~/ V" q- X3 @' G5 W f
- Bullet_Tract_Direction_Right:5 ~' [2 t" }) X2 q
- LDA Bullet_Y_Speed,X
! Z: E+ q2 c, c! [8 a4 K# A - BMI Bullet_Direction_Right_Top3 J4 {0 S* |2 X! z
- BPL Bullet_Direction_Right_Down
; |( ^2 L) c6 n6 | - Bullet_Tract_Direction_End:4 w- M0 b, O3 `* I1 W
- RTS
: |0 `' b, T8 @
8 s. t0 T& v/ q- Bullet_Direction_Left_Top:. ?( R" b0 ~% a: A
- LDA #$25, J8 B1 C& a5 g5 N1 B# H% f
- STA Bullet_Icon,X
' M+ M! w" G2 C: q5 n7 n& r+ s3 B9 u - LDA #$C04 L5 V7 E. Q0 L# j
- STA Bullet_Direction,X6 ?+ H5 y& S. S: e: ?
- RTS
2 ~+ x( p. {3 R+ `3 n8 v5 V% b8 u
, s l2 J, h' J% I& L- Bullet_Direction_Left_Down:
3 E1 v4 V5 @ R( Z; E - LDA #$25 X; O% p/ t& B' n& S
- STA Bullet_Icon,X/ S; Y! y7 a/ g8 r
- LDA #$40+ L I, X. ]6 M
- STA Bullet_Direction,X( P' J+ \% K% u2 l. H; z. ~
- RTS, _1 m l1 U, a5 j+ J2 c
- 5 R. H; U1 E, Q B- A" a; }
- Bullet_Direction_Right_Top:2 ^" \8 V+ y) P; {% z& [% W
- LDA #$25( r$ Q8 E8 U' n
- STA Bullet_Icon,X7 K4 q' k6 b* L8 @' X: ^
- LDA #$80
1 P" l+ |* Q6 s. p0 [ - STA Bullet_Direction,X. r1 G6 H3 o) _
- RTS
. o+ S( N- E9 @. k. b2 D - 5 R& F) |0 I& b9 _
- Bullet_Direction_Right_Down:: ]' A0 m! K$ |* ]
- LDA #$25
* r5 e* `; m3 l: v3 ?/ j5 ?8 T: n - STA Bullet_Icon,X
. n0 d* l. m; R - LDA #$00% [7 {% d: y0 C O3 I- q8 F
- STA Bullet_Direction,X
, q' a/ U( _% T3 H8 W# P - RTS
9 f6 a6 U. p7 T$ u" Q. w, a! H* n - + `% t8 T( b6 k
- Bullet_Direction_H:
9 J! V K, s* w* I5 \7 W - LDA #$243 Z' ]% }2 S* ]6 S
- STA Bullet_Icon,X
+ X4 ^0 W* C( Z - LDA #$00 S% t( ~" q/ `( B5 u
- STA Bullet_Direction,X: p2 @2 B0 u+ d* T: M. U
- RTS
, i9 ?' }3 t- w7 P( v5 u - $ T, \2 J" T9 Q
- Bullet_Direction_V:# e0 W8 @, T' T: J0 H% r
- LDA #$23. Q/ |9 L3 W; N, D7 l
- STA Bullet_Icon,X& k. m5 C$ B$ S% V" a1 }; B
- LDA #$00
. C, V5 k) L1 o& A( t" @ - STA Bullet_Direction,X" i( S* j9 ^$ X
- RTS
e+ B1 ^2 J6 `1 V8 r- \ - 2 ^ ?5 x2 B. l% _- z& R. G6 o
- Bullet_Speed_Data_Ex:8 M2 p* r+ U1 r
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
) r. D8 g6 L3 u2 ~" q+ J - ! W, _9 |, h* \* U7 O }
- Bullet_Speed_Data_Ex_R:
; S/ b- z2 P% Z6 C - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
1 r: L+ C5 E( c9 V3 p -
复制代码
5 [' Q- I# u) m1 D. g5 X* T* v( N1 n4 ~2 c/ T5 A
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