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[FC][魂斗罗][J][追踪弹]4 C+ C( o7 v3 b+ w
, f! ^% q- S p: C6 `时间:2023.04.305 \4 Z6 C0 r/ a/ }. _$ I
作者:FlameCyclone
& V; k, G6 S) `% a F内容:
- k+ u. X% W5 I3 {- I/ g( L% _ 1. 所有子弹追踪敌人% ]; F% A' V. Z7 l7 d# B0 X. W
2. 选择键切换武器
8 C5 g1 H" y( W8 v7 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2 u+ Z4 t" F; I7 Y) b; R
2 \8 `# ?7 T/ i# I: M7 {7 _/ }5 i% Y
flamecyclone.ys168.com7 `4 I- N8 I: m6 W |, T" q* A7 o9 ^

) t- O% W& D: p6 i' V, G0 t8 a- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
- ?% q1 p+ i$ ]( `6 o6 u) u7 |. l - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
) B7 I f/ H* i6 V& u/ B% s) J7 l - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
6 n, T/ t0 @$ {3 c* O5 p) O# q - ; F8 b- L1 ?' `* F
- ;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)# N% _+ A& ]( Z& c2 W) J
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上! `4 N8 Y# m. s7 d
- - K5 G/ Z! o% E& O5 j6 i
- Track_Enemy_Index = $6000
6 B% R9 P. S" ^ - Enemy_Index_Begin = $6010" D% q' o# J4 I2 V# |) }8 T
- Enemy_Index_End = $60116 d8 ]4 Y/ P9 t9 c* C, Y
4 c: _# h5 {7 z( Q* D- Loop_Index_I = $6012- H" [/ L m0 g' O* q
- Loop_Index_J = $6013
( G- t) U5 g7 M* c - nEnemyIndex = $6014! U7 ]7 {3 a9 y) T+ I
- Data_buffer = $60156 V0 Z6 B- E! O1 T0 d1 z
3 H: I. j& ^6 }5 z. Q/ ^7 M- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
1 t( S F& A2 W. e% \6 q5 W - Bullet_X_Pos = $03C8 ;子弹水平坐标7 J+ ~( p/ ?+ W- F& |, y
- Bullet_Y_Speed = $03F8 ;子弹垂直速度& B3 P/ d) |; `
- Bullet_X_Speed = $0408 ;子弹水平速度+ u0 M& g* I) y1 u' \$ K7 G
- Bullet_Z_Pos = $0418 ;子弹Z坐标7 E. H# b, e @. S' |# p! Z" P+ W* p
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P1 u) g% H& e7 _3 K$ q% `
- ! l) F7 a5 a# ^
- 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# E1 U) Q6 j9 |
- Enemy_Blood = $0598 ;敌人血量
$ n. F f* a$ Y. W' r7 r2 D - Enemy_Type_Addr = $0528 ;敌人类型
9 f9 J. I% [3 C+ B - Enemy_Blood_Addr = $0578 ;敌人血量( D" K% A6 ]7 @: k* i
- Enemy_Y_Pos = $0324 ;敌人垂直坐标7 S8 C$ @2 O2 K* I
- Enemy_X_Pos = $033E ;敌人水平坐标1 R& f, \" @- G, M& Z: Z% W+ |! e
- Enemy_Y_Speed = $04E8 ;敌人垂直速度; Z+ a8 K' m. \
- 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
2 r+ }: K. r' a1 |3 B) `8 S - 8 B; W4 _& J- Q; B- C
- Enemy_Index = $83 ;2 x* t5 F7 j3 d) {
- Time_Count = $1A
/ Y6 y! L" j. v5 l5 ^3 x- b - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
% C- L+ Q5 T4 f) J3 j1 V: h! ? - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率: A8 \- f0 Z2 V9 ?6 Z6 c
, }; w& T$ y+ O" h3 n- ' w$ h/ {7 Z( a( Q0 b
- .ORG $6100; p" T# ~( n, c+ f
- Process_Begin:- J" m5 p6 P" |( {8 a) ?1 E
- JSR Enemy_Check
# ~+ z4 v& X5 @9 F' v - JSR Track_Enemy_Check% k+ \& G$ o) t' c4 M, o
- Process_End:
3 d/ E- L& E4 u# ^' q1 n - JMP $E54F
9 f. i5 _7 _ P7 m$ C% O4 ^# [: h+ K - 7 h" V8 I$ v9 a, b( r, Q5 q
- Enemy_Check:
0 q4 W; D% q" P. ~/ u - LDA Time_Count" q5 Q [2 g U2 g8 I G
- AND #Track_Bullet_Speed0 b0 M1 t8 L% t/ w) m
- CMP #Track_Bullet_Speed% V" t. ]( V5 Q5 S8 i
- BNE Enemy_Check_End% a$ g. s* p# g' ]3 z. k
- LDX #$0F
7 T. n3 r8 w5 a - Enemy_Check_Begin:
4 Y- {. k/ W% ]# ^ H5 k - LDA Enemy_State,X) o& e6 D2 _2 l! c& J* n$ f
- BEQ Enemy_Check_Continue \& [) C2 e# A+ |. C
- STX Enemy_Index
$ \8 H* w1 E( x o - JSR Find_Begin_Enemy4 ~; M4 q& y" _* ]! [2 Q0 x
- JSR Find_End_Enemy- I! h3 X5 \- r# S7 S. p& I
- JSR Bullet_Track4 o; ^$ y; S5 y; o: R3 p
-
9 V: d. P3 ?4 Z+ n - LDX Enemy_Index
/ w: h# K! J7 G l6 ` - Enemy_Check_Continue:
& F2 L' Z' q. l% C- F - DEX" w; V& b3 |& G# ]& N3 J
- BPL Enemy_Check_Begin
, Z7 i# {9 \1 y. q& J7 w - Enemy_Check_End:
* q: L" A, v9 F6 H+ o - RTS1 ]6 g5 g4 S1 n
-
' u- @/ } a$ E) _0 L6 k - Track_Enemy_Check:3 s& w- m# s4 b+ G+ u4 v7 s$ G
- LDA Time_Count
3 C! W v2 `0 K1 [% m+ x - AND #Track_Enemy_Speed& {' K; F3 P3 ~$ g0 T7 b. ~5 C9 D
- CMP #Track_Enemy_Speed; K! l; f6 S# O, V1 F
- BNE Track_Enemy_Check_End
3 ^- s* x: v5 k0 q' d. H+ j - LDX #$0F4 l9 T# I v% N* |& T
- Track_Enemy_Check_Begin:
+ @9 S% _$ l# K! G: I% r3 B - LDA Enemy_State,X
8 f- F, q3 [/ K- g - BEQ Track_Enemy_Check_Continue" t7 ^9 I6 ]- D9 S1 N
- STX Enemy_Index% r8 M1 @/ f6 N3 `# Z
- # D# z0 n5 H1 {+ E, E
- LDA $40% H* a! A: x& t/ t: C( z
- LSR5 _- W. G* b7 n# H* }+ b% ]/ i' O
- BCC Track_Enemy_Check_Begin_L1
+ R" j) U# ?& f6 E - ( k. J6 X5 t' b3 {5 \# _
- JSR Track_Enemy_Ex ;2, 4! @" J5 @, K, w8 b* K" F1 m, n9 G
- LDA #$00
5 M9 p4 V0 @( q- Q# v; s% m - BEQ Track_Enemy_Check_Begin_L2
- K; I- E0 i( ?% l1 ~3 [ N - : N# x) n9 R/ F3 S
- Track_Enemy_Check_Begin_L1:; r, c5 L9 [/ e5 t. o6 P5 ]
-
1 E5 s# }2 F# U a! F! P0 K ^ - JSR Track_Enemy
$ f( s( J" V/ T - . q, O4 M& q) Y% p8 S! H
- Track_Enemy_Check_Begin_L2:
2 V7 H9 a$ v# { -
6 N- e: Q# o/ R9 s* N# A( p - LDX Enemy_Index
( w) R, Y6 i/ t2 y! ? - Track_Enemy_Check_Continue:
' W& `2 Z! ~1 ] - DEX
. K8 F* ^7 l; i" V0 z3 O - BPL Track_Enemy_Check_Begin! P) |( A9 [- s& Y5 {
- Track_Enemy_Check_End:& ~9 X7 d7 c! Y& [% B; _
- RTS4 m0 C# ?; D+ F: r
8 J# D6 y4 U. ~) Y, @; L9 n
1 R% |( Y, r2 L$ y [- ;查找第一个敌人* D% Y* t3 ~( Q. Y. h/ a
- Find_Begin_Enemy:
" W, Y* M5 L" z X - LDX #$00
4 P7 L5 q. A4 @: g5 f, A+ J - Find_Begin_Enemy_Check:
- {+ c' `' W: u6 B5 o+ U - LDA Enemy_State,X# K S _5 k- _* x$ s
- BEQ Find_Begin_Enemy_Check_Continue0 s7 K0 {% D( F! j& D& u/ V
- LDA Enemy_Blood,X
& Z3 e8 e1 ~: K% r - BMI Find_Begin_Enemy_Check_Continue
$ Y+ o2 v0 i1 A. x, F - BNE Find_Begin_Enemy_End; V4 q0 W/ _2 X" ]' C4 y: j* a; Z
-
3 d S1 c7 H3 i1 \ - Find_Begin_Enemy_Check_Continue:
+ y" ]. ]8 k7 t) M - INX% b. Y/ H8 ]$ y: O
- CPX #$10& c, b* ]- J% ~, N" y
- BCC Find_Begin_Enemy_Check
: r+ d" I% o& i9 i9 ?( a1 y; H - Find_Begin_Enemy_End:" d$ m4 a$ a; }. r
- STX Enemy_Index_Begin, W* l: x7 x% o- `# B
- RTS0 I, o- k4 K6 k* S& H' h2 F
- ) e6 |% D. E" p9 z8 \/ G9 ^5 ?
- ;查找最后一个敌人+ O/ l" g4 }' h* X( M; o
- Find_End_Enemy:) u5 j% Q: M3 v
- LDX #$0F
' x1 F/ o: \: J1 C5 A/ J* U - Find_End_Enemy_Check:
) `* H" P, M5 C4 c& y( F' K5 r - LDA Enemy_State,X r2 z% l) j! ]8 |
- BEQ Find_End_Enemy_Check_Continue+ W2 X$ \8 O( H
- LDA Enemy_Blood,X
. f4 S w, e0 C - BMI Find_End_Enemy_Check_Continue9 n2 S: v' n8 U, |8 k+ L7 Y& c
- BNE Find_End_Enemy_End% P& m; F' N( M2 S; j7 D: n
- / t" R3 Q' }4 D( r2 b- b8 D
- Find_End_Enemy_Check_Continue:9 i& o3 I- U7 B) S
- DEX
* w, k4 Q1 j3 z8 I! S - BPL Find_End_Enemy_Check2 f2 `2 ]* R+ U3 V. X8 M) s
- Find_End_Enemy_End:
. S+ @ y {1 J& I m+ C4 k/ v1 | - STX Enemy_Index_End+ \! H2 R' K0 N) f* F' F2 q
- RTS
, v0 Y- h4 A! f) ?
8 L1 Z5 `& m' R" s4 F- ;子弹追踪
3 [" I9 v& J2 i) d" E - Bullet_Track:
0 |$ n1 T) S: I7 [- u* |* a - LDA Enemy_Index_Begin& P3 e$ u8 V) t3 J. W# I
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
" U9 y8 |7 z+ Y# ` - LDX #$00
( Y" f9 f' Y3 ^; K W% X7 [ - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)3 `$ x$ u M- j
- LDA Bullet_State,X5 P* n9 z( J: h; N& ^
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;; S4 K' f! a1 E3 z. y
- STX Loop_Index_I2 S& n% P& b9 m4 {3 v4 H0 M" T
-
+ i# L7 g( f, q3 I7 E; k - JSR Bullet_Track_Enemy" l' Y$ b7 f& W$ y" D0 }
- JSR Bullet_Tract_Direction( x( g% d# G9 Y0 ^4 I/ p# N9 u# W1 m
-
, Q& Z0 C5 U5 Q5 _7 W6 J5 d - ;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
) g) d9 z3 _' Y* L# L2 i0 q9 \ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
2 C% ^7 }+ g: A+ g8 |! ~ - LDA nEnemyIndex3 m" N, l$ d$ h# T- ~0 C
- CMP Enemy_Index_End
1 q0 ]8 J, |6 h, E - BEQ Bullet_Track_Check_Continue5 r( p+ @* w h
- BCC Bullet_Track_Check_Continue
, f) e& h( v+ T" _8 | - LDA Enemy_Index_Begin
2 B8 c" v( L. P- K0 c8 Q - STA nEnemyIndex$ C, T( i) p- t5 r+ `
- + O( G- U) j: k
- Bullet_Track_Check_Continue:
/ B& V6 d- s; |* a: I3 J$ q8 [1 v - LDX Loop_Index_I( k$ L& m0 _. D
- Bullet_Track_Check_End:
1 w; S9 S8 P1 B2 _8 j - INX0 G. C1 U/ J6 X
- CPX #$10
9 Z: K4 ?9 H: R5 j" c* H3 o - BCC Bullet_Track_Check. `3 [0 b& c( G$ d' r; Y7 q0 i* j. u
- Bullet_Track_End:# W4 _- c- A8 t {/ L1 P
- RTS
) q7 h0 s3 j& r6 t/ i$ [ - : w! I r' L2 o6 D( _" [+ |2 y$ O$ E
- ;给敌人分配子弹
5 \* L* N& i2 L* p$ s0 r - Bullet_Track_Enemy:
6 ^( G0 x- ]4 p! x+ Z; N - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
' L B; K9 v3 {. V/ G5 C - Bullet_Track_Enemy_Check:7 b2 T) u: |# A R1 Z/ ?
- STX Loop_Index_J
9 `# K' T* i# b -
8 \- Z& d1 w V' ?: z; m# o - ;if (0 != nEnemy[j] && -1 == nTrack[i]), I# T( m# S+ P
- LDA Enemy_State,X
9 C) r, r: c1 Y4 C - BEQ Bullet_Track_Enemy_Check_Continue4 ^$ E- O6 M3 M r) W8 @3 K
- LDA Enemy_Blood,X: Y# H2 n! R0 }( ]! p, m
- BMI Bullet_Track_Enemy_Check_Continue$ z. @! o) i! K. s1 V. o
-
' `& Q9 z$ }- ~' d7 W. z - LDX Loop_Index_I- [0 o, e3 L3 Z' e7 U- u( W: V
- LDA Track_Enemy_Index,X% T( g" U9 h7 _8 l# v6 p. D
- CMP #$FF+ Y& g/ h5 [8 V) _, [) u v
- BEQ Bullet_Track_Enemy_Init
) A! U) P @3 ?$ n; r* v5 y -
. i$ o9 E9 Z; O - Bullet_Track_Enemy_Init:
* K1 Q! P) }' ]& Q - LDA Loop_Index_J
1 x" s* Z" Z+ ]$ e! p2 F - STA Track_Enemy_Index,X ;nTrack[i] = j;
" V6 a6 K. @; A9 _" o4 S1 _ -
5 A5 u; j6 X7 x* M - STA nEnemyIndex
5 g+ I) U. ?: g/ w" m; p6 Q - INC nEnemyIndex ;nEnemyIndex = j + 1;+ @+ q+ K- h' N9 |
- RTS ;break;6 i$ J3 h! C; J
- - W' \& s, Y% l0 F3 _9 ~! ?+ x3 Q
- Bullet_Track_Enemy_Check_Continue:# v' f' s2 ^! j
- LDX Loop_Index_J
' b2 _9 a: v& X - INX ;j++
: Y4 X5 h& g* X- q* ~ - CPX Enemy_Index_End
9 D# v/ `% l) A W- M5 a - BEQ Bullet_Track_Enemy_Check
: I4 X8 A" H% l5 _$ E# A - BCC Bullet_Track_Enemy_Check
* R/ U0 }9 x% G7 ~ - Bullet_Track_Enemy_End:
+ D e% m2 ~9 A7 @ - RTS
- t" K0 z) M; p# d* y - ; H6 K! q8 y- t2 V4 R/ Q
- Track_Enemy:; n; M4 Z3 D2 m( t" Y- g
- LDX #$0F
, _. M; Z# r6 `4 O6 Q - Track_Enemy_Begin:
" F) o, r( F; d3 l' b - LDA Bullet_Icon,X2 E, a, Y+ s( \8 }4 P
- BEQ Track_Enemy_Continue
; S% ?4 k3 C: t# ~! H8 G - LDA Bullet_State,X6 t; U: g% m# V& A6 A2 k
- CMP #$01
" z2 F5 M+ L4 m- d( z1 W7 \, A4 I - BNE Track_Enemy_Continue+ x' o. A$ j: f, w7 V0 g8 _
-
! L$ J' i& M8 v - JSR Track_Enemy_Process3 l E- \8 n* e
-
% |) W# V2 y1 ?2 f& ? - Track_Enemy_Continue:/ D: }5 ?# c% L8 J* A, ^- u4 [
- DEX
! q! c- T! i; ` - BPL Track_Enemy_Begin
$ U" f* x8 C# D6 a/ J8 O - RTS4 l1 A: R* {3 @
- m, q) |. y9 c2 c5 J
- ;普通关卡
1 m o! W# p1 W3 p - Track_Enemy_Process:+ r& g. w: b( h
- LDA Track_Enemy_Index,X
1 o+ u0 m" t! Q7 C6 i - CMP Enemy_Index; t) q( e. a, s: _
- BNE Track_Enemy_End
7 o" P1 s' s6 c' V0 M - LDY Enemy_Index
5 |/ O, T7 t1 m0 _7 W - JSR Track_Enemy_Y
4 {% Y& k8 z& z5 m) N! t" D1 [ - LDY Enemy_Index- c/ ?# ]( F! t s% Z9 t7 x% Y% O
- JSR Track_Enemy_X& S5 U+ o- Y8 V; w9 X' z: c% k
- Track_Enemy_End:: s5 ]$ J( J" V4 I/ \9 z( `
- RTS4 G! l1 r" e6 t& v5 w
-
T( r7 \) M/ K a' ~/ E - Track_Enemy_Y:- o" t6 b3 L# @# p8 d" u
- SEC9 A3 s6 i# l3 i6 f
- LDA Bullet_Y_Pos,X
m5 |/ E6 U) S5 P, B/ U/ X/ w - SBC Enemy_Y_Pos,Y/ D/ f; e$ t7 X" Q
- BEQ Track_Enemy_Y_Equal
9 r. o$ { S' Y' t" o - BCS Track_Enemy_Y_Greater' _/ V1 M3 d1 h" P0 u$ G4 X: f
-
/ x" [+ b! M0 J, p9 l/ r1 f- v1 \ - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
% H5 @1 q5 s2 G) M9 f, p - CMP #$FC3 W. h: u! l: o: A) [
- BCC L1_1
/ c; f* @( B6 ]% e: l - CMP #$FE6 F. y8 T" z. m" q4 M. u( D4 p
- BCC L1_2
~# o) R4 o( s) n7 a0 B; r6 }$ G0 ` - LDA #$006 t' I0 Y: T x$ T( m/ s, B( x
- STA Bullet_Y_Speed,X
$ |& b) L, u" k/ `! z/ } - RTS
) y t9 p6 l3 |7 q - L1_1:
2 C1 P7 P0 M! ` - LDA Bullet_Type,X0 d# K: z1 u' D( s
- AND #$0F
# A$ r5 v+ l& n& V! P- G @* Y% l - TAY
0 S2 r9 d) j5 b' d2 @- ] - LDA Bullet_Speed_Data,Y$ W* n! @ [, W$ L5 U
- STA Bullet_Y_Speed,X
( T! \/ D; @- d& B: R- `$ a$ R - RTS+ A1 u1 }; ?9 l* c1 x
- 9 E2 Q. n2 X( {9 w3 G' P
- L1_2:
+ ]% N: G i; Y2 d) L! f+ } - STA Data_buffer/ s! c& I( ]) S3 M& O
- LDA #$007 s$ J6 Y6 V: y# p- W* f* N0 R
- STA Data_buffer3 f% J: ~5 d7 v/ Y2 x
- LSR- M4 v% L% U; [4 k
- STA Bullet_Y_Speed,X- |5 n5 N% w) Q
- RTS% O; J' N7 B- g
0 \. B+ ^( \8 U! X; t6 _# I- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
: w5 @: \ X8 {. m$ d - CMP #$04
+ k' T- m% e& l; h! h0 i - BCS L2_1
+ e; L, _, p# `1 N& R' y. Z - CMP #$04+ f) t1 D0 W2 Q6 A: b7 K$ L5 i
- BCS L2_2
" k2 H, |. t0 E& `6 P0 v - LDA #$00! x1 l6 Z3 R* t0 _
- STA Bullet_Y_Speed,X
# k" [6 |8 F. g" Q. S - RTS( X! F1 U9 W* {) O* N# m
-
0 T! |3 i8 |$ D1 }) P F' q s5 f3 F - L2_1:
. g% c1 \7 |* M8 i+ h - LDA Bullet_Type,X- I% c+ I( t4 v6 H
- AND #$0F. U9 L4 [# N) h1 N+ L" D$ _: k9 G' N
- TAY. D$ F+ O) G' H2 ^8 P
- LDA #$001 e5 W4 {1 Y3 F2 L$ |7 Y$ a
- SBC Bullet_Speed_Data,Y; [2 n" w s: P3 ^
- STA Bullet_Y_Speed,X; }8 ?! r( \/ L# \* l
- RTS! y0 { D- d$ q2 i o
-
# ~% Y n* Z, K& ` - L2_2:
! r+ d* J3 C X# c L. [4 ^- P$ H - LSR7 l% Q% C( q( j# d" ^% W7 t8 N
- STA Data_buffer( I! Y& T* U N/ k
- LDA #$009 d! Q5 B: k1 @- d* b
- SBC Data_buffer# p" `1 Q# v9 r" T: f
- STA Bullet_Y_Speed,X0 i/ e9 @5 a1 k7 K+ c5 [
- RTS
8 K8 D' ]$ p- a* \& o% D [ -
! M- V, `2 V' d1 Q2 a - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y2 v+ x( \# a! N1 A0 L
- LDA #$00/ O, L3 B2 F0 ^5 \
- STA Bullet_Y_Speed,X6 W8 z( R1 e7 _3 N6 r: [
- RTS7 u% K0 O, Y7 t
- ) G7 p( p# G1 C5 Q8 N6 W% T+ z
- Track_Enemy_X:/ u k r; H [8 r
- SEC- K/ L) ?& K6 q0 Z
- LDA Bullet_X_Pos,X
* i- `5 y3 s5 V- N% e1 X2 g - SBC Enemy_X_Pos,Y
$ [, n( U7 Z! {- M! y% q# ]5 { - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X. z8 M( ~* z: _- F* m
- BCS Track_Enemy_X_Greater ;子弹在敌人下方( A0 e8 d6 w' E: d, K; A
-
! f( }9 c; ?7 x9 Y3 E( s9 }+ A& S7 B! G - Track_Enemy_X_Less: ;子弹X < 敌人X
0 t: n) n8 v" a: G0 a$ H - CMP #$FC) N9 M; I# y0 D9 s1 K
- BCC L3_17 s6 [; ~% X5 y4 z, N1 F. Q
- CMP #$FE# {: E, h3 p& c U: ]5 Z
- BCC L3_2
: v, w4 V+ F& X) r( X$ K4 F - LDA #$004 y& J$ H) m: s+ ~- S8 Y
- STA Bullet_X_Speed,X
5 Y9 w P, _% w1 F - RTS
+ u5 e# V( ^/ J* B: V3 ` - L3_1: 3 `5 v% H& Q2 }6 G- b
- LDA Bullet_Type,X
7 a$ M' S# u5 e6 V - AND #$0F
* `+ p, s K5 Z' ?' {' m% O: D) F& i - TAY
, L' G7 P. ^# F. {" F. y7 M7 Z - LDA Bullet_Speed_Data,Y
+ B# D2 \( G8 s. k x( } - STA Bullet_X_Speed,X. S+ o5 Y" v0 i
- RTS0 \, I9 m: Z$ C
- L3_2:
; d8 M4 m( F2 f7 p v) W2 h - STA Data_buffer6 f) O% J( I' ^6 B
- LDA #$00
( \4 P. y9 K0 o - STA Data_buffer- e. m* a' @" A L( t& e R6 v9 u2 t1 D7 x
- LSR
4 y1 s5 K9 g9 g" n$ F6 v- P- ~ - STA Bullet_X_Speed,X$ K/ l/ v1 [& [5 d8 |- I, v1 Y! T: D
- RTS+ P' b4 k$ Y5 { s
- 0 i4 G. r N! }0 M
- Track_Enemy_X_Greater: ;子弹X > 敌人X+ S9 V7 s- ?; W2 P4 G5 k5 y" W
- CMP #$04 C) j0 `6 Z$ i1 R) t- Z
- BCS L4_1
) l$ F0 ?( T/ |) K: H6 w0 k5 Q - CMP #$02# A. x! a4 Q3 I8 B" R, c
- BCS L4_2
/ z" p2 z2 B: w - LDA #$00
; S3 s: o8 M, K+ o C8 f - STA Bullet_X_Speed,X
$ ?# `; x8 `0 B$ W4 J- ] - RTS
! S( C9 I) h, P! {5 ? -
6 ~6 n* k" ^1 d7 h- Q - L4_1:
k& c9 J4 l# D - LDA Bullet_Type,X
4 z) m! e* b8 X" G' K5 d6 w - AND #$0F) {7 X2 n B5 P, E) U
- TAY
8 E3 F7 _7 F3 w - LDA #$00
! D7 [: I7 d7 m r - SBC Bullet_Speed_Data,Y
7 B) Z. ]" E% |% {' _ - STA Bullet_X_Speed,X
. `- U/ G( k R# f - RTS
5 v5 j: U9 B X& K0 Y4 K - L4_2: + H1 `0 D+ V9 h& \# D
- LSR! j+ U( d- H1 V e6 x
- STA Data_buffer
( H( V! a2 Q* I7 l - LDA #$00 S0 | O# M2 Q
- SBC Data_buffer! Y h. n1 T( G, o( N- F6 c
- STA Bullet_X_Speed,X
) ?# v* m# p+ h% ? - RTS
; T9 o: {0 S& h( h1 x$ t% q2 Y - $ _5 c+ f$ A6 q* S5 L
- Track_Enemy_X_Equal: ;子弹X == 敌人X4 X0 s5 ~ d+ H
- LDA #$001 E( W. h3 j# o* h
- STA Bullet_X_Speed,X
9 q8 _ X* b* w- s: e+ ? - RTS0 L# j6 y# Y& X* x+ ?1 k- q) ~6 j
- " o7 G7 ~# C$ E# A/ z9 e
- Bullet_Speed_Data:8 c/ L* J7 L. J$ n9 h$ I f
- .DB $00,$03,$03,$02,$03,$03
! W6 r1 s0 {" a+ P7 P) o -
8 D9 u5 z0 f% S! n - ;2, 4关: E+ t, p2 H+ M& r3 f' a8 r7 H" s
- Track_Enemy_Ex:" q$ ?( G7 h G! N. j
- LDX #$0F! V" I/ R8 L1 Y- j
- Track_Enemy_Ex_Begin:
( ^5 N$ w9 a0 C- A: v7 O
L. I8 M* X3 H/ P6 h# h" ]# ~) V) w- LDA Bullet_State,X
' a2 k9 i; _. T - CMP #$01$ e% {: D; `; ]: z3 r3 Q. k! ?
- BNE Track_Enemy_Ex_Continue
# v& p* O$ q% j5 I h - % W- j/ a) m. K. h% [
- LDA Track_Enemy_Index,X6 C0 l! r6 }3 P9 }, S7 |/ c/ r: I& L3 c3 H
- CMP Enemy_Index+ Y( z. r5 I& a
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
( |2 r4 H2 o7 }0 ` - + ~6 h6 X+ O; u& B8 W# S5 l+ j
- LDY Enemy_Index8 d* [$ Y9 v, x$ s1 z8 N3 l1 m
- JSR Track_Enemy_Ex_X
5 i9 \& j7 L. [; k' W6 }0 R - 2 ?1 }% }" X/ r: M+ E6 S4 K& j7 e* u+ l
- Track_Enemy_Ex_Continue:% @2 g5 `- A3 h( _" x: j9 ?
- DEX
1 }! Z9 V% f2 e, W/ [/ n { - BPL Track_Enemy_Ex_Begin, `, P$ b4 @* ^1 a; j
- Track_Enemy_Ex_End:5 J7 _! G$ _2 t. {
- RTS, Q) `! [; t3 K5 H
-
& A8 @/ j. `9 Q# Z" j" o - Track_Enemy_Ex_X:* b) j Y& y1 k: A' r" i( U1 q/ ?% j
- ;LDA Bullet_Z_Pos,X
( F" d" ^7 v. B - ;CMP #$041 g. |9 c1 g9 D3 q) l
- ;BCC Track_Enemy_Ex_X_End
; u$ ?) B+ I' L - SEC& H! A# F3 a( g2 _0 W4 Z; ], H
- LDA Bullet_X_Pos,X( l+ v# V% L& r& L4 U* Y
- SBC Enemy_X_Pos,Y
4 N! |; e9 ~7 M3 w) f4 n/ x5 [4 d - BCS Track_Enemy_Ex_X_Greater
* P; j) i5 N8 o$ Q: E, F( n J/ @ -
^' }1 d( m. q2 H* E6 K& i! n3 [ - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
3 {; f6 B* C1 ?( f* B0 c' H; E - CMP #$FD! H8 b6 I$ u3 Q' D
- BCS Track_Enemy_Ex_X_Less_End! d' \7 z* q) |6 I( c5 N7 N
- LDA $6020,X: ]5 Z: \; U3 ?8 z) O& j) f M
- CMP #$2A
5 x( _# ]: \* B$ y - BEQ Track_Enemy_Ex_X_Less_L13 ~" J/ s, Z, M4 M( j8 W" C+ P
- LDA Bullet_Z_Pos,X
* Y% T$ w2 V$ b7 z - LSR
5 H+ v& J, T/ p' K8 w( P - TAY
0 m4 s# j( y' q1 g; o. V - LDA Bullet_Speed_Data_Ex_R,Y5 t( p/ l1 u, f4 w: Y
- STA Bullet_X_Speed,X
2 O( R5 g o6 h" Z R1 d0 f4 L - RTS
# C- E1 v% R V8 R7 q9 K - Track_Enemy_Ex_X_Less_L1:0 @2 |0 D! \" E; t
5 o6 M* N& g; D- LDA Bullet_Z_Pos,X
) |/ @9 J% a, f8 o* I - LSR, E7 }2 P/ ]* i2 i
- LSR: g! E5 V- Q% l$ K
- TAY
( h/ C9 a0 |1 }! Q - LDA Bullet_Speed_Data_Ex,Y
* ?( _" m0 Q9 c1 V& x - STA Bullet_X_Speed,X1 a. u$ L B4 F% o% [2 u
- RTS
3 [* [: H2 D+ p" L" c4 a2 a - $ D2 D7 \0 T% \
- Track_Enemy_Ex_X_Less_End:
$ d {" f% w6 J3 ~0 S - RTS; Y* L0 |& P% }* u9 y/ E" k/ H; |: g
- : Q' H* d* P: k- d4 t
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X2 J; `! |2 a& w0 v4 z, R
- CMP #$037 E& v1 ?& n2 ?* K
- BCC Track_Enemy_Ex_X_End
6 ?2 \6 }* b# r - LDA $6020,X' D$ G M. I6 u6 m- F; h; n. ^* {
- CMP #$2A
9 x& `1 G5 C# t3 ?, |: J, n9 G - BEQ Track_Enemy_Ex_X_Greater_L1
) K+ V1 _# W. n) L/ h) }4 E - LDA Bullet_Z_Pos,X8 }* J" f; v8 ]# K) [' S: K- {, ^
- LSR# {0 i: ~0 s/ a3 r( u
- TAY: Z p, X2 i; T. J
- LDA #$00" c+ ~* E6 P& Q q7 q E
- SEC+ l1 ^2 ]6 M }3 P
- SBC Bullet_Speed_Data_Ex_R,Y2 C) o4 J/ z' i4 N$ c" | o
- STA Bullet_X_Speed,X. g2 O4 \3 N. r' [( {; n
- RTS& A9 _# z* Y3 |9 F, ~; b5 d
-
/ y1 O7 H0 w! V' v% h" w. _ - Track_Enemy_Ex_X_Greater_L1
0 A7 j9 M# a% [5 @! ` d3 P - LDA Bullet_Z_Pos,X
+ y/ ^1 Z4 y, V% H% R: ] - LSR" R8 {: R: [0 a; s) W3 S
- LSR
" Q9 q2 L! A: N5 T1 ~3 o - TAY
3 F0 s0 N( E. i. J: J - LDA #$00( W( s, e( W U0 ~# D
- SEC% u, m) v- {% c1 S$ ?
- SBC Bullet_Speed_Data_Ex,Y( o& u* z4 x: F( s% A
- STA Bullet_X_Speed,X) U9 ?0 U" V( @2 a6 p
- RTS9 A5 n2 w' {# t$ H
-
* p4 Z! u' O( L3 o, m( u+ A) p- A - Track_Enemy_Ex_X_End:* g9 J4 b+ ?" S2 ~1 [5 T
- RTS3 |5 G, W2 k) q- ~
- 9 A3 a5 n0 S N: 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)
2 Z; o* c# g8 q. i- E0 _ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
. {! e t6 e7 w6 @/ Y# O - Bullet_Tract_Direction:. i- C- n) o; j8 K% G# v0 m
- LDA Bullet_Icon,X0 v+ j: G# P9 R3 S
- CMP #$23
`1 |+ t$ p# c - BCC Bullet_Tract_Direction_End
( D1 w, H4 H1 l0 S7 p -
4 ?$ B( {4 G7 M - ; X != 0
) z6 b. s8 |/ X$ l5 S! \ - LDA Bullet_X_Speed,X/ N: C) f3 M1 F0 J# M
- BEQ Bullet_Direction_V
6 @; N: v6 j. k+ { - n/ B$ q, B3 j' q6 `- v
- LDA Bullet_Y_Speed,X( V1 L4 a+ m& M; a
- BEQ Bullet_Direction_H
; `1 a+ k8 k' _0 D) E -
* I6 \3 J" i6 C& I e- o1 X& `( Z8 Z - LDA Bullet_X_Speed,X
+ g4 ?1 \: {; ~" h - BPL Bullet_Tract_Direction_Right
- ]; F3 K% U; \, a/ \ - Bullet_Tract_Direction_Left:
- X! t6 [3 T* r, N6 S3 s' h/ V - LDA Bullet_Y_Speed,X( l6 u8 S! B% p8 c) K* a$ y: Z
- BMI Bullet_Direction_Left_Top
( O2 H- I: k5 V1 ` - BPL Bullet_Direction_Left_Down
2 {# O1 s4 v0 f- e3 V - Bullet_Tract_Direction_Right:1 k* P; j$ n" Y8 P7 ]1 ^
- LDA Bullet_Y_Speed,X
8 |2 l- t# h/ F' r, f; J$ x - BMI Bullet_Direction_Right_Top
; z% U1 \3 V, z a/ [ - BPL Bullet_Direction_Right_Down
F- a, J: U X! F1 S, ?; \; C; Z - Bullet_Tract_Direction_End:, @3 R& x, p+ B* l
- RTS2 M3 o. z1 I( V0 R
- ! c1 g. n& c( @
- Bullet_Direction_Left_Top:
5 r" v, x9 v( ~& d+ w8 O - LDA #$250 ?. m4 e- W+ |# Z
- STA Bullet_Icon,X3 W1 C( R3 B9 p( y& k' |2 x
- LDA #$C0
; K6 {( M! C' S& L* @$ L" \0 {; h l - STA Bullet_Direction,X3 o# t( k+ \% B- R: F) P
- RTS
5 N6 z) h: F9 f
7 L: P2 a3 K K, s; E4 S- Bullet_Direction_Left_Down:
8 e6 B, V" ^" M2 ^- x) n - LDA #$25$ z" Y8 b! e0 `2 ]7 f
- STA Bullet_Icon,X1 @" V: [6 W; v' w2 g! \% H8 p
- LDA #$40
2 B6 Y1 k! o7 T - STA Bullet_Direction,X6 }! N# ]8 W7 }5 m" R" J$ |
- RTS3 I8 n$ n, @7 S. D9 U- ?
0 ^ n0 o v9 K2 [9 X% G- Bullet_Direction_Right_Top:
- n- }, w2 j0 d: u- V - LDA #$254 Z2 J& |' r( V2 G7 H6 T! {
- STA Bullet_Icon,X
! D$ x3 b% e, T. v. C# J3 d - LDA #$80 Y8 a/ R, U; I7 k$ v2 u6 b
- STA Bullet_Direction,X
0 A! P, o6 Y, K" a - RTS! \' @3 F6 v+ v3 p W; D
# n% q1 Y8 b2 c! y% C" @- Bullet_Direction_Right_Down:
2 u+ }, z/ B$ Q+ _; c6 e - LDA #$25) R- o& q2 N `' ?4 z. U
- STA Bullet_Icon,X- K# N, Z/ ~% x* o1 J
- LDA #$00
7 V8 U2 q$ u, f5 v- d - STA Bullet_Direction,X
Q0 G# W! W5 W, g( `" X# S - RTS
6 x4 Q' n& L' p; L" H
- _8 z( ~, |& z( F% X- Q- P& F- Bullet_Direction_H:8 G3 b# D( A) x1 e. \
- LDA #$246 m/ g8 V4 f+ |! w5 H2 a
- STA Bullet_Icon,X% R# {6 }" ^! {
- LDA #$00
2 e! c1 x+ Z& y$ D! N - STA Bullet_Direction,X
( K( ?8 n/ F2 C9 y. p - RTS2 e, o/ H3 q1 G3 L" W" y
- 4 V+ e* ^. o+ _7 ~) B% a3 t
- Bullet_Direction_V:' Z2 z3 v( o# v$ s8 D' P
- LDA #$23" N# i& ]$ ]! J
- STA Bullet_Icon,X8 }& k( y/ x$ y
- LDA #$00
: U" [6 R' ~: m' k4 D* k8 A6 ], t - STA Bullet_Direction,X1 `% p9 X3 {( D! M
- RTS
K) l* v6 S; b' ?. p3 I
- G n9 U/ H6 c6 D4 m& V- Bullet_Speed_Data_Ex:/ C: Y1 \5 x: |7 ^
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
: X' t2 F; F9 ^$ a+ l! V - % [, y3 l- v: t6 ~0 I( y
- Bullet_Speed_Data_Ex_R:3 u" E6 C; S; H8 e8 ]7 }7 @
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
( T1 i3 G7 x* K- |) H1 n -
复制代码 - {# e7 X E% a7 q+ U6 Y
2 A2 i; M' C8 U; l& U3 Q |
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