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[FC][魂斗罗][J][追踪弹]
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" b) Z3 I( K. }) I时间:2023.04.30
O) e# S; I2 R& w+ P作者:FlameCyclone8 t1 G( c; Y* h; k* E
内容:- a: c( C8 \4 h, V
1. 所有子弹追踪敌人
9 K7 S) z1 U+ m 2. 选择键切换武器
: X/ P) L! @) u4 z) s 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
% g3 e: C- u6 C7 `5 ]3 u* j/ [; t# ?; ]4 h" x. N" ^
flamecyclone.ys168.com o- e2 g5 u6 j; d, p3 C

! ]: A7 @6 O: `. C H- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
& {0 |% q* l8 i0 z; [! K - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
* B! |1 c6 @2 T$ L6 z* j. [ - 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)8 P1 q, H O O; B0 }0 ?+ r0 t
- 1 |; t2 A; C B+ O) |0 {8 Z2 k
- ;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)
6 n9 ^4 b: Z Y# D - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
9 i( l+ n2 e( R6 a. ^
. V8 _# q$ L- W7 W9 P0 _6 s. Q0 v- Track_Enemy_Index = $6000) i) K) u; z$ F0 [9 n$ ]5 J- f
- Enemy_Index_Begin = $6010
$ ~* m. L, p2 b - Enemy_Index_End = $6011) N, e: c: u8 Y/ U7 L: g( x
- 4 Z9 y( o X. i4 B
- Loop_Index_I = $6012' M: g1 s2 K# W% d5 V- }
- Loop_Index_J = $60132 S, Q3 a# m, f2 o" a
- nEnemyIndex = $60141 R; U" y# J# H7 \# c
- Data_buffer = $6015
2 l" h& L/ E4 [ - 8 S3 @" w3 F2 N
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
1 A/ _. W4 R. o - Bullet_X_Pos = $03C8 ;子弹水平坐标
3 r4 Y$ z5 X' @. n - Bullet_Y_Speed = $03F8 ;子弹垂直速度1 k# t' v9 l+ X$ x2 M
- Bullet_X_Speed = $0408 ;子弹水平速度: ?# d- r9 X1 A# Q, \ Y
- Bullet_Z_Pos = $0418 ;子弹Z坐标7 o# T6 i2 d3 B
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
: p2 @. g) E* q4 z! H! I: @ - 6 c1 l* B# h$ N
- 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
4 t' R7 v" z, T& y8 M - Enemy_Blood = $0598 ;敌人血量
2 C7 l/ i! E! x- C/ i2 z - Enemy_Type_Addr = $0528 ;敌人类型* w0 K- Q6 F' L
- Enemy_Blood_Addr = $0578 ;敌人血量. V( X% D7 |* K; e' N- ]$ M! y6 ?
- Enemy_Y_Pos = $0324 ;敌人垂直坐标" r- G3 E& v! w! w$ N' `2 F
- Enemy_X_Pos = $033E ;敌人水平坐标
/ D& l5 p+ D6 _' D0 Q: v% P8 Z - Enemy_Y_Speed = $04E8 ;敌人垂直速度) p) ~5 f% M- M; I3 @
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
* W6 X* v! U9 s' `/ x$ L
) O$ r5 o' V, U$ {- Enemy_Index = $83 ;
8 r- t, Q& l7 | - Time_Count = $1A
% m2 a$ L% ~0 B; }' @" t$ v0 P: N - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
% v! E- O6 R n0 {) P! d - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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) ]+ U# X0 S4 v8 v/ c9 V- .ORG $6100
* Z9 F0 q5 S; o) v/ ]( b - Process_Begin:6 _, ^$ K2 C2 y4 i* q! l( `7 s
- JSR Enemy_Check
3 n8 T) d+ C- p6 p: }3 n - JSR Track_Enemy_Check
0 m6 `: R g$ R - Process_End:
* m; n7 q- K& a) f/ N. ^ - JMP $E54F
5 K# m; a9 G' m6 K
; l# Z6 ?' H. n6 y3 ?: y. T- Enemy_Check:" u- |" L) s( ?) z) O3 K
- LDA Time_Count
( ?5 m1 s- x8 C7 D$ V6 t7 c - AND #Track_Bullet_Speed
C* y' w3 ?) o3 f- @3 R - CMP #Track_Bullet_Speed
: m4 Z4 k. s6 T4 m' |& l- b6 @ - BNE Enemy_Check_End
0 l* Y4 S$ U' z# l- `% m4 W1 x - LDX #$0F
( d, @0 X' n0 Q/ M0 S' x& Z" M - Enemy_Check_Begin:$ d9 w+ ?. A+ K+ Z. i3 y3 O! m
- LDA Enemy_State,X
) ?# C( p ?3 x& O9 u2 E - BEQ Enemy_Check_Continue) {7 \ \6 W* I* I: Z
- STX Enemy_Index
q( \4 N. W6 k @8 w6 E" e - JSR Find_Begin_Enemy% i! ]2 t2 {4 y) ~" k9 s
- JSR Find_End_Enemy
) g# z3 K+ C) @9 l' O - JSR Bullet_Track
5 l4 p4 i: V/ U$ m9 ~ -
$ h9 A3 p! E3 ?% [ - LDX Enemy_Index
' {4 _, g; \- \9 L6 R - Enemy_Check_Continue:" w; \$ c$ P, G4 E" e( _" j, P
- DEX
7 z9 b3 c& B6 Q/ S# s/ r8 h - BPL Enemy_Check_Begin
- o1 }( q( b+ A1 A6 f# f - Enemy_Check_End: }8 I* ~! q6 A$ S8 F
- RTS
2 S8 O- W6 U- q - P" a5 @' m, D- i ?
- Track_Enemy_Check:
8 M4 E- Y) l8 _ s1 B2 | - LDA Time_Count
, c& N6 U+ O. C+ I - AND #Track_Enemy_Speed
6 d* y; b$ X( m/ f. C - CMP #Track_Enemy_Speed
$ p0 B9 X6 Z. B) V - BNE Track_Enemy_Check_End
6 e% K7 b- [( C9 m+ ^) ` - LDX #$0F* o- Z+ [; b/ x( C% G" R" H- ]
- Track_Enemy_Check_Begin:
. q7 X* P6 k) ^( f. ^ - LDA Enemy_State,X* q% X* E& g! v/ U( @
- BEQ Track_Enemy_Check_Continue/ W4 \/ i: Q) P
- STX Enemy_Index; S5 A0 @: T7 o5 |7 ~ Z& x2 z
-
) J9 p. B }1 L) L' g - LDA $40, ]3 n9 ^3 E2 j2 g% B- W
- LSR
) K* \5 @8 K) G- h+ K9 z4 ]* w - BCC Track_Enemy_Check_Begin_L1. q6 _, P4 V1 H$ D# a6 G6 q
-
& R2 K4 ^, P5 E. ^# q6 f - JSR Track_Enemy_Ex ;2, 47 Y/ @3 s4 q. v$ a& S+ q' j. h
- LDA #$00
+ k; t# r+ o, M2 s( o6 h! ~& P0 v - BEQ Track_Enemy_Check_Begin_L2
7 ~4 D0 H! t& v - 7 I( B- C; a& x1 t: D7 e& A* F
- Track_Enemy_Check_Begin_L1:
) v. `$ g' Q( y - 9 {2 Y: m4 Z) h
- JSR Track_Enemy
% G6 {: J, y& T0 b4 M1 O
- b6 G9 t+ H8 P5 Y# U- o8 w* c9 G- Track_Enemy_Check_Begin_L2:5 _5 ]: D0 R9 E
-
1 k0 h* \+ m$ d! N7 H$ O - LDX Enemy_Index
4 l5 E/ I2 m2 G - Track_Enemy_Check_Continue:
9 }7 ?% B% h. D `" W7 R0 |4 s+ h - DEX( R7 K0 Z) @2 m# T- Z8 W
- BPL Track_Enemy_Check_Begin
! M# i( N Z+ s6 j* H - Track_Enemy_Check_End:: \8 g# w5 {$ o: B. {
- RTS% f) q* O; @5 ^4 T @. n
! ?( `5 M: r: @# ~1 j- 2 P! c6 k& L8 ?
- ;查找第一个敌人
0 N- }: |+ ~. y- c4 t - Find_Begin_Enemy:1 ?& F( \. \. k) @3 B( I- [
- LDX #$008 L1 C, k6 y9 d0 H5 f2 C
- Find_Begin_Enemy_Check:. c+ X" N$ u m! f
- LDA Enemy_State,X3 @, k3 A% X+ R& ?+ o" |
- BEQ Find_Begin_Enemy_Check_Continue( t/ h2 o; s# e& R. _ h
- LDA Enemy_Blood,X
6 D" ?5 b4 _, Y2 Y" \3 s' L - BMI Find_Begin_Enemy_Check_Continue
" F. i- z- y- Y7 |$ ^+ B" h - BNE Find_Begin_Enemy_End
$ ], A0 f/ F6 x- O% B - / b* O8 H) R- Z/ Y+ ~
- Find_Begin_Enemy_Check_Continue:
4 y, w1 L% `+ t4 D" D, { - INX
- D6 [' C& K/ z* N9 o - CPX #$10- e2 w7 U) [* P% e+ o1 |
- BCC Find_Begin_Enemy_Check9 M9 @ _3 N# S/ R5 R9 a
- Find_Begin_Enemy_End:8 k! e$ I4 S0 m
- STX Enemy_Index_Begin
7 W! F2 V y0 w! X - RTS# d! v. f- Q; Q1 w. Q5 J$ T3 u+ h
0 ^; |% C! j$ A$ S! f% L- R, e4 {- ;查找最后一个敌人
$ z- ^& b5 ] m0 ~" ~ - Find_End_Enemy:( V: e$ `) c8 {: f6 T
- LDX #$0F
# ?1 c% v+ {+ E% w% k8 a - Find_End_Enemy_Check:; J4 _- s `1 |, b. }
- LDA Enemy_State,X
1 ~7 U L( z; o. X - BEQ Find_End_Enemy_Check_Continue! r( V& T* S3 m# v
- LDA Enemy_Blood,X
% r3 F/ }+ Q- U: o$ @ - BMI Find_End_Enemy_Check_Continue
1 S' D- z* s* A! r' p: P. ^ - BNE Find_End_Enemy_End
" n! r. i. Q8 e" {( S, h+ F - & a! q/ t7 n) `) ^
- Find_End_Enemy_Check_Continue:
) P% T4 A' z9 L - DEX- j( F4 s% @* Q+ x( ?( z% k
- BPL Find_End_Enemy_Check
; \% a2 |* s' U+ g6 J$ q7 h; V - Find_End_Enemy_End:2 u: j6 M3 t1 |1 f% `
- STX Enemy_Index_End
" g- J1 w) r: z/ @$ p - RTS3 ?& I# `. e z' r8 G* g4 j7 z u
! m" r) p" X9 Z$ S a! r4 e# F- ;子弹追踪) f x2 N/ @ v# x% a
- Bullet_Track:, D* b6 n! P) f( ]1 P1 a; y
- LDA Enemy_Index_Begin6 G) K9 _ g/ G" g
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
& |4 H4 P! t) t - LDX #$00 ! x5 X: z) K) p: Q- H5 r
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
( H1 g3 m" T, Z6 u/ b - LDA Bullet_State,X
0 d4 {8 |. P! V% c; L7 q - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;4 ~; E2 [( H' A \' u; n0 z
- STX Loop_Index_I
3 U5 P8 H0 c5 q6 y1 I1 \ -
/ M! d0 l7 K/ R2 o - JSR Bullet_Track_Enemy
6 j; T/ Y9 v ^/ s% ^) q" e - JSR Bullet_Tract_Direction/ {( f% w# H( g' h: c U5 E+ U* d7 t
- 2 Q# C2 \( w$ i1 M: h
- ;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% Z: `+ j1 c/ L: x2 ]
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;4 u! m( `" X3 J2 L1 d, E. t
- LDA nEnemyIndex$ d3 B# p2 J1 c7 n
- CMP Enemy_Index_End; F2 u7 _; G L+ h% `
- BEQ Bullet_Track_Check_Continue
& T& g" o! f: \2 } - BCC Bullet_Track_Check_Continue* \$ D8 f2 }$ r
- LDA Enemy_Index_Begin
) R6 B" F- P5 j) W% L) Q - STA nEnemyIndex
: O: C( T( @, Y y - / ?% G; _% n. g0 M8 a5 @3 E! A4 F
- Bullet_Track_Check_Continue:
0 C! X: Q- k2 ^' p& d! ^$ ` - LDX Loop_Index_I/ Q* E# O% }# C7 R, P4 _# x
- Bullet_Track_Check_End:
1 }' f- [7 ^ H1 ?' m. B- i - INX
# {+ x+ X/ [6 _; n- D j - CPX #$10
8 Y4 W: u! \; _2 w - BCC Bullet_Track_Check
2 t# ` v8 e4 D4 k, {' U - Bullet_Track_End:
- j7 ]3 V1 G4 {; D# c - RTS
" ]& i: Y& V+ f6 X - 5 G% t* }3 t! U( {
- ;给敌人分配子弹9 C& l% a# u6 ~* ^) J$ O2 b- k
- Bullet_Track_Enemy:7 U6 o! b3 x: }; n8 T
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)$ T3 u. M& \7 W" p
- Bullet_Track_Enemy_Check:
L( x5 Q( k3 i! D8 S7 j6 M W2 l - STX Loop_Index_J
3 [6 K/ o& C9 Q! ~9 D - d/ _! \3 I& u. Q
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
8 O, b+ j) Z) W5 I - LDA Enemy_State,X& F! S" O5 d& N# j1 ]
- BEQ Bullet_Track_Enemy_Check_Continue
' F2 ?; L5 s1 c/ K4 W; Z - LDA Enemy_Blood,X! u: L% n3 m/ E1 ~- L* w
- BMI Bullet_Track_Enemy_Check_Continue8 j0 y; y6 x+ Z2 m1 o: ?8 h- N; B
- : h% o) V. z) s$ L3 W9 W- o( a
- LDX Loop_Index_I
) j& e% n; k3 r! t - LDA Track_Enemy_Index,X1 _2 K) ?9 F. [$ w7 @+ v
- CMP #$FF+ i3 O8 {3 Q( p: L
- BEQ Bullet_Track_Enemy_Init
& ?5 B& Z: l' ]) K3 j1 c -
/ L, | @: U% A/ e3 r3 v. l5 W" g3 N - Bullet_Track_Enemy_Init:% O& K# W5 z! d! \* r9 H. I
- LDA Loop_Index_J/ U: d+ |6 u1 C5 [1 U+ c7 `
- STA Track_Enemy_Index,X ;nTrack[i] = j;) ^) U/ {6 h2 o' i+ j) }' z% c( i" |
- 7 q- Q4 Q4 }+ e2 o$ w
- STA nEnemyIndex
/ e2 L2 p4 g( e$ c+ U% f* X - INC nEnemyIndex ;nEnemyIndex = j + 1;" t6 `4 t# A4 Y+ a ~1 G P
- RTS ;break;) c: {# U2 n% F) F- b7 r# u
+ I$ ?; i, K, A @6 p; n/ B3 a- Bullet_Track_Enemy_Check_Continue:
* k/ _2 w4 Q) b. E3 C& @ - LDX Loop_Index_J
, l1 s: O8 M$ j8 p - INX ;j++
# C7 O( `1 @8 H$ W7 t, V - CPX Enemy_Index_End
4 H& j# A& Z) o7 j. x - BEQ Bullet_Track_Enemy_Check# `+ h) c( ~: k! ?' O( `- ?
- BCC Bullet_Track_Enemy_Check
% j. j! E9 o5 ? - Bullet_Track_Enemy_End:" _# r' y1 s' z x
- RTS
6 E5 D! X- `. G% l6 M
* j0 ]1 i/ p- M2 b1 m6 S0 n9 q- Track_Enemy:
" v$ Z- R. e: }4 ^* n9 ? - LDX #$0F$ ]8 R, {2 H: W, X! l
- Track_Enemy_Begin:& ^: B( C$ w& H( w+ H% k
- LDA Bullet_Icon,X
1 R1 l# a; p& p, T6 [# R k - BEQ Track_Enemy_Continue% Z; D( ~4 g0 Y+ t
- LDA Bullet_State,X: ~$ Y1 g1 X, ]7 u$ O0 y B
- CMP #$01
8 z D& s# f4 j+ Q% b$ I0 t3 u% Y - BNE Track_Enemy_Continue
! a3 E; B. O1 |% B8 U -
+ `* T) r% p) b! K, v - JSR Track_Enemy_Process
3 Y( e; x8 G' y) H5 C) n; h1 n$ X -
; |- ?! s2 J/ s: X - Track_Enemy_Continue:
. t& c+ M, U9 T - DEX
" M7 w5 M0 c3 `2 r3 y - BPL Track_Enemy_Begin0 |5 C, d1 O$ u0 o
- RTS* b- d5 K1 A- v$ e
# [/ Z$ i& m: _" T- ;普通关卡
: y9 U; i, B' h( ]% N - Track_Enemy_Process:
4 T3 n l3 X" H- y - LDA Track_Enemy_Index,X
5 w; g$ _% N* E - CMP Enemy_Index3 R. H% _# b, [, \/ y& c
- BNE Track_Enemy_End
% X! B3 M. m! C& h$ m/ M - LDY Enemy_Index
4 e1 C2 r! q8 K3 F1 P2 ^ - JSR Track_Enemy_Y
8 n$ z6 Y# e( I& S, `+ ?) { - LDY Enemy_Index) W( M" }) D, \. G# g9 s6 g
- JSR Track_Enemy_X
% S; e$ U$ Z0 }7 u$ V - Track_Enemy_End:
8 G/ ^" C& O0 ` - RTS( x+ G' ^- a* F& K" c7 v0 E
- 6 l* e, i0 ~5 Z( m$ S$ l* P
- Track_Enemy_Y:: U5 k( q( P3 ]) s* j( ~* ^, O4 r' r) V
- SEC
5 s6 C$ z( c0 X1 H$ h2 w! ?5 p - LDA Bullet_Y_Pos,X& Q# I. U* d5 \8 M" a7 W9 Y
- SBC Enemy_Y_Pos,Y
5 b Z2 N' R0 a# |. L - BEQ Track_Enemy_Y_Equal
$ N8 Q+ ^; u4 W - BCS Track_Enemy_Y_Greater8 b. j& A7 J6 l" }
- * T3 ~3 R1 ?# ?- \! h
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
S* g# P. m$ @3 t# c - CMP #$FC) g. w* W* ?6 r& ? k
- BCC L1_1
* ^8 g* d l& A - CMP #$FE, m5 x& Y0 M0 @- z! y, b3 _
- BCC L1_2
/ Z6 D6 A b: j; X - LDA #$00% s5 f. C3 t: H* b2 }$ e
- STA Bullet_Y_Speed,X; _$ w1 |) i/ {6 X) `; e( Q% @
- RTS, L8 y' J5 z! S, y, |6 {
- L1_1: / q* N ]) W, M7 P
- LDA Bullet_Type,X
0 ]; {# s y1 K0 b: i3 Y+ r/ ?6 A - AND #$0F
# T- `' B% }& y! ? - TAY9 u0 Q# _6 y7 Q$ M
- LDA Bullet_Speed_Data,Y
7 t* \- o2 T$ Y" Q& }1 m# |+ n - STA Bullet_Y_Speed,X& J# F3 G b5 `" f( |+ r
- RTS
. k) U3 R8 M! R3 f, v; l - ' g# S7 c6 e/ E2 W, U# H- T6 h& ]
- L1_2: + S1 D3 r$ B9 Q# ]/ t9 q9 r& J
- STA Data_buffer- {2 m+ J0 S$ o3 D
- LDA #$00
, A- Y3 [+ N8 E( ` - STA Data_buffer& I+ O A& @% q. a/ L1 u
- LSR
* {5 Z2 U; e% K* {4 H6 @2 h( [1 p - STA Bullet_Y_Speed,X+ @9 ^6 E* J9 i$ D7 E) p+ x
- RTS7 X3 V3 A6 N8 Q, r0 ?3 l
7 j# y4 u3 ?$ |* e- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
! M2 g5 | Q5 L1 `% Q" J- ~4 d- X0 f - CMP #$04! {& W }' R& A4 T3 x
- BCS L2_1
4 [! y) Q E. d - CMP #$04
J6 H3 k- p6 h/ I# Q* b - BCS L2_2- p. n$ h' _: S" H
- LDA #$00
: Q+ p% W+ m' k6 W' }) |# V0 I - STA Bullet_Y_Speed,X, \% ~! G) U0 L9 R2 J2 n0 `
- RTS/ ]4 A j, {7 l- W+ ?% a& [$ z
-
9 ~8 c4 q0 U4 q! L% l: A - L2_1:
. x0 k+ G* ~ J$ K1 a1 R, G - LDA Bullet_Type,X9 c* @ y$ ?" O
- AND #$0F
3 [; f/ g- R& K( ` - TAY5 e4 M9 y4 A/ A. d( O; N3 l# H3 ^
- LDA #$00/ O) s+ D5 ^- Z6 @2 h! f
- SBC Bullet_Speed_Data,Y& |6 e9 M: S; Q( t. U2 |; y
- STA Bullet_Y_Speed,X
. \6 }, b! q( H5 c0 U. L# d - RTS
9 v' I% |& w" I1 e$ i -
- a5 J% ^4 m& z: Z. K# H - L2_2:; y( l! w1 \2 N( @; w
- LSR5 k, o) T2 q! N4 O
- STA Data_buffer! C* b d: C8 g' L7 g3 O7 q
- LDA #$00* u' d; S# Y% v7 s" E7 A/ z
- SBC Data_buffer P* K2 b: S' O- w1 b7 C! x
- STA Bullet_Y_Speed,X8 E+ Y7 ^" u8 N- w
- RTS
# m: z8 }5 u A4 G. i - 0 T- H& _9 t# b- A9 ~8 }& N2 k1 N, Y- b
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
7 b, [& b' V0 v: V8 W/ O - LDA #$005 V/ [5 p) [8 c( L/ o
- STA Bullet_Y_Speed,X
' g4 ^% ^/ N C1 t* C* V7 F - RTS, \$ H% J1 T4 C' E7 ^8 M
-
) @9 E/ N! t4 j. g! g3 u - Track_Enemy_X:
5 M) c/ |+ k3 j9 ] - SEC
. p8 a8 ?7 R7 C- z% U; [4 } - LDA Bullet_X_Pos,X
, s2 t; m4 b# I9 h4 B% e9 Y - SBC Enemy_X_Pos,Y/ N/ ^3 [: R3 {& M
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X! f8 ^$ U3 J2 _; A; ` U
- BCS Track_Enemy_X_Greater ;子弹在敌人下方, w; L t( y: H$ \6 k9 Q1 a
-
+ J# A% e, P: A! U7 u2 o4 H* n - Track_Enemy_X_Less: ;子弹X < 敌人X
# m4 R3 ]. k3 H m - CMP #$FC0 P& K, v9 Z; u* \& c! q4 }' S) l2 R
- BCC L3_1" b7 s1 @$ g) t9 _( Y- \
- CMP #$FE4 e/ ~% r) C; Z u! A6 u
- BCC L3_2- j0 l0 k7 a+ ?4 `/ ~9 N
- LDA #$00" w% ]. \; c$ z& |
- STA Bullet_X_Speed,X% q, l! f1 U( W
- RTS; x% d: V$ Y* P+ J# D2 k% |7 ^
- L3_1:
0 o+ x' A5 W! W3 Y3 b! x' z. d - LDA Bullet_Type,X
& p$ w" P [! [: w - AND #$0F
, L- `' }8 Y4 x7 e - TAY9 F7 ?4 H" G& o5 M" }8 n. i
- LDA Bullet_Speed_Data,Y, B; p% U' d4 H' f% m5 H
- STA Bullet_X_Speed,X
3 [! t. B& I6 Y, n5 S) P5 d/ X - RTS
' D2 v- n% u* j' D2 {" g/ F - L3_2:
6 o& F! s: V5 L - STA Data_buffer# _6 l2 W6 v+ Z# z
- LDA #$00; ?: |1 Z1 N, }# F6 W2 d
- STA Data_buffer1 ^6 m+ {' o. U- l
- LSR5 L0 }/ T; r! d) m4 n. S0 f ]
- STA Bullet_X_Speed,X
, p4 j; `" Q0 ~- I* _ - RTS
, R5 D3 C; M1 S/ y, k) P - " v* S* I/ @* q2 | a. l
- Track_Enemy_X_Greater: ;子弹X > 敌人X
s" P d4 }3 C# U - CMP #$04
9 `( o( a% _4 b - BCS L4_1
9 ^6 N: R! W" c! ? - CMP #$02
' q" a' S. |5 e5 F; [ p% J! E - BCS L4_28 q6 w2 ` O: |6 t i7 D
- LDA #$00. q0 e- z( j$ C! k
- STA Bullet_X_Speed,X
, f& T* o# ~. ], P( F, b - RTS
) q$ F! M( i; U, E/ [; ? - 8 ]$ y6 o( ^6 e& h
- L4_1:
. ~6 ]7 z% P+ n, ?8 O U* p6 q- B - LDA Bullet_Type,X
0 K/ Q# z1 V; u! L- r7 r/ P - AND #$0F R, W7 `" ~# K
- TAY
+ e( u* y$ C. E! T - LDA #$00+ n+ U' k' N8 M$ [
- SBC Bullet_Speed_Data,Y
/ H7 D3 B' ]# |0 a- I5 U( E6 q - STA Bullet_X_Speed,X
+ O6 ?2 ]1 r7 a - RTS
' M& s! s( l l6 Q- D - L4_2: 5 H( m' N7 I; ?
- LSR
. n/ t: K1 s g) L' s/ e# H - STA Data_buffer
. I' `7 N1 f# j2 N - LDA #$00
' }9 B5 L' p2 Q+ p _# J1 ~ - SBC Data_buffer
, L& X; D& ~/ R - STA Bullet_X_Speed,X
" T+ q0 D, ]0 m2 ?; P - RTS
9 f0 }9 \+ s8 D3 U& X -
$ b# E/ W5 P4 ?; ]4 N' [ - Track_Enemy_X_Equal: ;子弹X == 敌人X; g" N# A6 C* D- G" Q# c
- LDA #$00
! m) `. E) `# n2 m - STA Bullet_X_Speed,X
1 r. Z$ W6 r9 g - RTS
# Q1 a Y+ b& D - * i! A: b4 J; I. I% E$ \# t
- Bullet_Speed_Data:1 R. L: `; h( |/ I I* I9 t5 o
- .DB $00,$03,$03,$02,$03,$03! @! y% U0 a& q' m3 G3 Q9 `/ d
-
8 [* r, Y! T+ U6 \3 _9 m. ~# k9 ` - ;2, 4关
2 K, N6 i& p+ H - Track_Enemy_Ex:
/ O5 P% l5 b) N1 ~4 X1 U9 O; ~! ? - LDX #$0F
" c. T' g' n( x9 I! P - Track_Enemy_Ex_Begin:- W4 g1 h# ]0 g4 W. N9 X
6 _7 s4 ]; H! T5 ~( }- h1 g! j- LDA Bullet_State,X
( c8 q5 |; m, I$ n* G5 r - CMP #$01
) P% |' p! E" c3 ~% }! T9 Q - BNE Track_Enemy_Ex_Continue
( {2 w. |0 t+ q' z - & n9 }! t5 B* Q# d) c- A; L( o
- LDA Track_Enemy_Index,X
' w7 _0 P: d# q - CMP Enemy_Index
, l7 c. u7 `" o3 d6 B( i' c- {3 v - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
/ F5 j/ h9 [1 ^* A -
8 g* _ R" k! O, R, z$ d% Y - LDY Enemy_Index
( m& T' u# G/ T - JSR Track_Enemy_Ex_X
( i9 |; v1 l: y, j$ `/ R c -
& {' \0 R1 B+ r/ B; S; V N4 U- _3 J - Track_Enemy_Ex_Continue:8 f9 u* A% Y$ K/ L$ N: k) f$ J
- DEX) P* Z, U# x2 d& } `, k% C
- BPL Track_Enemy_Ex_Begin
. b9 k# z4 @4 J; \1 ]8 a! e - Track_Enemy_Ex_End:
+ L1 K( O/ H7 |1 ~! G) b& a - RTS0 |3 ]9 S" H# p1 ]5 {2 d
-
6 y) \% ?3 U4 }" L - Track_Enemy_Ex_X:8 S" P/ {0 r: X
- ;LDA Bullet_Z_Pos,X/ W0 k6 B; T! c! ]6 m0 u! ?+ V5 \
- ;CMP #$048 a* y: m+ I; ^5 T3 P4 g
- ;BCC Track_Enemy_Ex_X_End
% D2 b# o9 O$ Q( [8 ]1 y - SEC6 [. F3 e( A I( @8 P; M7 [& W$ E
- LDA Bullet_X_Pos,X
/ c, K# r D; n; m5 J - SBC Enemy_X_Pos,Y
+ ^, |+ l' r+ Z- e - BCS Track_Enemy_Ex_X_Greater+ p4 r) V* H, Q. G5 \( E# P
- + M$ s9 Y* Z- c: d
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
, _' {0 q- ]& K - CMP #$FD
% ^: A, x. \, D+ d2 H$ B - BCS Track_Enemy_Ex_X_Less_End' M) o0 v( r* A/ T$ n$ r% _" O- `: L
- LDA $6020,X1 W2 v" {0 l1 K8 F' J3 \. |# J; `. @
- CMP #$2A" t; n2 i9 z6 \8 g4 _9 O
- BEQ Track_Enemy_Ex_X_Less_L1
8 W) J3 u8 I6 ~* f/ |' s& { - LDA Bullet_Z_Pos,X
* X: ]. c7 r0 N - LSR
4 f) B8 E x5 c* l' ?5 { - TAY
- v- S0 I; H' \) f8 U - LDA Bullet_Speed_Data_Ex_R,Y' e/ }7 O3 R( C8 K% e
- STA Bullet_X_Speed,X2 f8 {1 B4 R' E" J
- RTS
- g- y" [; i6 M6 M( z3 Q7 x - Track_Enemy_Ex_X_Less_L1:
" s8 `7 I. f2 g$ J3 z7 e8 q E b# v - , Q, i1 ^" q9 k( v: @- y$ o2 g
- LDA Bullet_Z_Pos,X
( t0 L0 R- \2 v t( g( v7 X: m& l - LSR
; d7 w ~- G6 H/ M z2 | - LSR( w3 r! y( K* ]8 y
- TAY$ o- i( j# M" j" d
- LDA Bullet_Speed_Data_Ex,Y
: w* F; R2 U I1 u - STA Bullet_X_Speed,X
R& F6 ]8 |" y2 r' X* T - RTS
3 g' e" I( g8 E" o -
/ a9 y9 ?1 b7 I2 N - Track_Enemy_Ex_X_Less_End:
/ X& B" x# C4 f, ~+ L4 O" q - RTS
. M* ~3 W9 c" l: r& @3 V
% c. l) z$ P$ ^" h' f" ~- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X5 ?9 i/ G6 G( k6 I. K# [. O
- CMP #$03! a }1 T# e7 F( V, G& u [$ o
- BCC Track_Enemy_Ex_X_End9 v0 z v7 E' e) ^6 }! ^2 e; e
- LDA $6020,X
$ |2 |: N; f# Q4 [/ O - CMP #$2A" R* \) }9 q6 ?* t
- BEQ Track_Enemy_Ex_X_Greater_L13 S/ T; V/ u/ E# K( k; g# t
- LDA Bullet_Z_Pos,X
& R( M- x6 s& ^; b8 m: ^- B% _ - LSR& t8 M2 b3 s+ b& |: N4 j/ D
- TAY
! r3 T$ v8 m7 o0 |0 M6 p: K8 J - LDA #$00
% F( P. M/ o0 m# g2 F3 \) M4 ]5 }# \ - SEC/ h( q& h5 g f+ k8 \' P5 c
- SBC Bullet_Speed_Data_Ex_R,Y2 p$ I( B! G8 p& ?: Y3 o, C
- STA Bullet_X_Speed,X
6 s0 B& t. \% T7 t7 ?% e - RTS
) P' W) S& s8 N/ T6 ~" z - + J; t2 Z% V' m: B; D
- Track_Enemy_Ex_X_Greater_L1
d, K4 ^6 b8 z. I3 N# L; F& D - LDA Bullet_Z_Pos,X5 I! n! o/ j E
- LSR+ s5 T$ I/ O& B% N. h
- LSR
0 l* S% C, n; w+ C$ O1 f( L - TAY G- }! F4 C: v4 a6 Q( u
- LDA #$00+ Z& G9 V* `, \5 S+ M
- SEC; Y6 i! [! ]: U; w- H
- SBC Bullet_Speed_Data_Ex,Y8 M6 s. X+ y: g, o3 g9 I
- STA Bullet_X_Speed,X0 m, I& G5 a+ b* G) l! K
- RTS- ]$ E7 A$ E: L8 T
- 4 A9 @5 {! y% p/ i
- Track_Enemy_Ex_X_End:
. n7 C, X W2 M7 ~ - RTS
7 q4 K6 R0 u& \( {9 o( @& y! j - $ M# V( `( P9 a B% ~% s' N
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)5 U+ t$ v8 f) m1 K ^* r1 @
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
7 U+ d1 e8 L8 T3 d - Bullet_Tract_Direction:! i8 d/ F4 Q9 k1 h7 I# a
- LDA Bullet_Icon,X- y9 E/ P0 }1 R6 `) C
- CMP #$23
6 U# |) y) H0 c$ t/ T! y/ e - BCC Bullet_Tract_Direction_End
' e m0 B" ?: c1 b) T -
/ S1 l$ G$ [+ v ]; u2 ^1 [ - ; X != 0
. P5 k) A; q b, W - LDA Bullet_X_Speed,X
5 B* d# l& |2 O& w - BEQ Bullet_Direction_V$ H2 |7 ~ \( N& n+ n
- ! R! W3 s# x2 u& G6 r
- LDA Bullet_Y_Speed,X$ y0 d! k' m8 K, ]3 |
- BEQ Bullet_Direction_H
8 f& r5 P5 [# Y4 y: M* D8 o" v - . m( E& p% l% @: l, A1 D
- LDA Bullet_X_Speed,X* o0 o. K4 }. d3 k4 t
- BPL Bullet_Tract_Direction_Right' m- V4 d$ l) B! x) F$ Z& {
- Bullet_Tract_Direction_Left:
& M$ C, i; E6 q" B! u0 N$ K% H - LDA Bullet_Y_Speed,X
& S3 [; Q, A; X& s - BMI Bullet_Direction_Left_Top
- `" ^- r0 ]6 s( p# K2 c - BPL Bullet_Direction_Left_Down* W8 k- I1 }/ j8 F' Z9 a( B
- Bullet_Tract_Direction_Right:- } p0 ~5 A' c$ _! {! m6 q' i
- LDA Bullet_Y_Speed,X
; _5 H: e6 O. O6 O3 p- Y; V% c - BMI Bullet_Direction_Right_Top
) ]& O3 A9 j% {* h7 P6 l - BPL Bullet_Direction_Right_Down v" O7 g! J0 x) O$ }& D
- Bullet_Tract_Direction_End:0 [5 [: J2 U0 x! ?
- RTS; }6 o+ F% Z( o0 A* n2 o6 ^! _
- # U w* e1 K) b3 r) C; ]
- Bullet_Direction_Left_Top:. M2 O# d5 y& H; Q0 f
- LDA #$25. R$ u: H3 z5 |: Y3 U: ?1 U
- STA Bullet_Icon,X
% \9 ~( z1 n% ^" u# | - LDA #$C0! t2 y1 ]4 h4 h5 \& r
- STA Bullet_Direction,X1 i7 m$ J9 t( @" R
- RTS
; @0 p; N' G/ c6 f2 [
6 x/ g: h+ n% Z- Bullet_Direction_Left_Down:
6 w5 Y" T" L# v: I7 l* b1 X9 M - LDA #$25
/ o" h3 ?9 [# z4 i' m$ g - STA Bullet_Icon,X
2 j( ?5 d C1 W2 ^: ? - LDA #$40
* J+ k- w; h5 z7 s* d - STA Bullet_Direction,X
. T7 k. L" A( Q, E4 c - RTS0 S* P; Y' t# X7 ^ @8 O
- * `) \/ {2 g" c7 F
- Bullet_Direction_Right_Top:
0 Q. O# u, B- F" B2 V - LDA #$25
* Z5 K) f) t6 I - STA Bullet_Icon,X& A. t/ P% ~( n& i9 \ Y: e" A
- LDA #$80! D7 B# ]. G; O
- STA Bullet_Direction,X' k5 y1 c |+ g8 M: s, l
- RTS
W& R) V9 Z& d2 ?5 Y% H- Z - * U6 `5 s y/ K) j! W2 C6 a7 }
- Bullet_Direction_Right_Down:7 Q; O7 [' S, H1 b$ c
- LDA #$25
9 N) x+ T3 P) u+ L9 }3 S( l - STA Bullet_Icon,X
( d1 L9 T6 t6 ? - LDA #$00
5 o. u, c/ X5 x, X - STA Bullet_Direction,X+ {8 s$ M) h& S3 X
- RTS! x3 H$ t' |, c/ d
- A# P, L W5 G8 l! U. m- Bullet_Direction_H:7 R: ?+ Z' X+ \' }$ P6 c( Q
- LDA #$24! F* S8 Z0 \, k' H
- STA Bullet_Icon,X; \8 k2 X) j* i- S% R4 C- p
- LDA #$003 a; p6 [( _( X" q, \4 i4 ]! N
- STA Bullet_Direction,X
0 `# V A( P8 a/ x4 r" g - RTS, B3 ~+ L6 t8 X& U/ j' v- W! {7 C
+ g6 R5 O$ ?+ j6 Y+ u0 U* W6 t- Bullet_Direction_V:
0 s8 W5 Z& ]9 M4 l, e - LDA #$23; I; t4 S' s0 P2 v
- STA Bullet_Icon,X
9 w1 p, l- q7 u# C" ? - LDA #$00! _ u0 Z1 O8 l- E
- STA Bullet_Direction,X
: I, S5 j8 o" ^4 ~$ R - RTS5 t7 I) J( Z; m. W. b$ [
1 F# o# R1 }8 @6 O- Bullet_Speed_Data_Ex:
Z- e) o/ Q! ?4 @ - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
% E, X M; y$ H( L; P: U - + H! ~: r+ r" l, Z/ ]" X3 M3 y
- Bullet_Speed_Data_Ex_R:
( E; v" s3 m a& V - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
5 N( k% ~+ a0 J4 }6 J% ?6 X -
复制代码 , r B' u8 j) Y# a
1 a& Q% l! Q' ? g. j2 F! o2 z, c
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