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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
! }0 x8 s2 }6 X. t, F作者:FlameCyclone0 J" ^( ` P. `) I5 U9 u; a
内容:. l/ b2 k! F( M; m% s
1. 所有子弹追踪敌人
! T/ Q! a' b9 C Q) C0 n 2. 选择键切换武器/ q. r" d" q- T) z9 f
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 ?% v- `2 k0 h! ?
& K3 }2 ^* L! D$ g9 ] H' ~flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
! r' z% j3 h; A4 D* o7 i - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
9 ]4 {* G1 Z' X0 R - 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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% W# P4 \ o% v) j# x: C/ r2 @- ;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)
- I Y( _, `# i" r' o - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
5 H' x3 h6 C& S( v0 z' N - 6 U6 V) B( R2 D0 `* [" _9 P( g
- Track_Enemy_Index = $6000
5 o0 j% V! p2 H, T - Enemy_Index_Begin = $6010
) t- i5 |0 T+ ^% |1 g - Enemy_Index_End = $60113 G0 L2 W( R2 H+ L$ Z
- / z/ B: i' w, Q$ a+ t
- Loop_Index_I = $6012
5 p* ~4 G6 L8 w8 W - Loop_Index_J = $6013# }4 v) e( i, u0 ?1 ` j. H. m
- nEnemyIndex = $6014
: L/ K+ w! k) H' l$ o - Data_buffer = $6015
0 `' P6 i2 j2 g8 D. d0 I6 k
. V% }$ T: U; L: {8 _1 ?6 g9 F- Bullet_Y_Pos = $03B8 ;子弹垂直坐标0 n/ Z( h0 z! i: r2 b, C' `- f3 v9 j
- Bullet_X_Pos = $03C8 ;子弹水平坐标$ [8 @9 o* K3 h/ W9 \
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
8 T3 _ i2 G% } y6 b2 n - Bullet_X_Speed = $0408 ;子弹水平速度
& A8 g, U! S; b2 E - Bullet_Z_Pos = $0418 ;子弹Z坐标
/ w% T( Y# t; \ - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P/ o/ K: @& `$ F$ h# M) s
- : G, J2 u* L u6 @8 s: S1 A# K
- 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9 l' l) r1 p2 D
- Enemy_Blood = $0598 ;敌人血量
/ E9 I: h( `8 g - Enemy_Type_Addr = $0528 ;敌人类型" ]# y9 D' R( w6 w) E5 N" g5 T1 i
- Enemy_Blood_Addr = $0578 ;敌人血量3 o" J* R, ? }
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
. h9 _- K3 L. ], |" p - Enemy_X_Pos = $033E ;敌人水平坐标2 x, w8 Z8 l2 c# T/ k' ?
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
5 q. a: K6 Z( V* P% i) \ - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
9 \. F5 ?$ C4 A$ O( G) c
0 d* D U; i7 r! k v7 \5 M$ U( R- Enemy_Index = $83 ;
C8 U3 @. o7 i- v - Time_Count = $1A" d/ c7 {! _% v2 x; b' N! I* O8 K: c
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
) n. Z8 k# b9 {8 s" q* f - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
% X! Y7 \- s( j' T! a4 E - 1 u! i3 ]; x2 A2 S
- 1 L, K3 Q; y/ U
- .ORG $6100$ m6 `* s [4 P6 k2 ]
- Process_Begin:
; U* @% c" x+ R, S# _ - JSR Enemy_Check
; L: u) _+ n6 \ - JSR Track_Enemy_Check% o$ \- L' X! q0 ]0 o }
- Process_End:
2 ^! X& @' c5 E, h+ l% T! V - JMP $E54F* x, P7 m7 U z" z" E5 w
4 L9 J- H7 X; f* `- l- Enemy_Check:
; n/ M3 U: Z" Y8 V - LDA Time_Count, ]. x* o7 m; U/ X4 S7 p; r7 _
- AND #Track_Bullet_Speed/ f! x! R- B0 i/ g9 w2 `( q
- CMP #Track_Bullet_Speed
6 ^; `1 o" |% b0 K: m& ~ @ - BNE Enemy_Check_End
& D+ F" F- S4 V! X9 u - LDX #$0F- W. l; `, t- E
- Enemy_Check_Begin:
/ A. o4 a0 T/ ~0 e - LDA Enemy_State,X
; [2 v3 x8 k o. k3 L( } - BEQ Enemy_Check_Continue
7 P1 [0 Q1 q& ]3 V - STX Enemy_Index
) w$ s* K2 {: i" X) _ - JSR Find_Begin_Enemy6 i! R: s O! D& a
- JSR Find_End_Enemy" ], k- M- x# h T. b) ?
- JSR Bullet_Track
6 I/ q% ~; P0 x8 U) F -
7 O1 @) G6 T' V5 P D3 L" y8 j - LDX Enemy_Index+ H. B- W0 q& ?' _5 Y+ Y; e
- Enemy_Check_Continue:
# e% @0 A5 m, J7 L7 n! ^ - DEX! p! q# I+ S8 W8 g$ d
- BPL Enemy_Check_Begin
5 @, k& Y& ^! s# t5 D: l8 N! |! M - Enemy_Check_End:
3 H2 L8 `6 H4 ^ - RTS1 F0 k" Y$ M3 ]) ^5 ?
-
, S @& I! ]3 W+ ` I, f, X$ m/ q - Track_Enemy_Check:# P- D$ Q" @3 `+ Q4 Y
- LDA Time_Count' `" |; d1 n2 ^% Y& a& v
- AND #Track_Enemy_Speed
9 }5 g- G# r" N0 l - CMP #Track_Enemy_Speed
1 n4 p$ k. G1 S( I/ G - BNE Track_Enemy_Check_End
) J! Y2 W1 P/ k5 ?0 F7 M! ` - LDX #$0F' K7 Q- f) y0 c0 y
- Track_Enemy_Check_Begin:
* V, \6 }& ~) U; X3 K - LDA Enemy_State,X
9 U6 L" `3 m0 ?6 S1 D/ O - BEQ Track_Enemy_Check_Continue7 k9 D6 e" x, y6 q
- STX Enemy_Index1 V) e& Z; x" x# @
-
8 G) ]$ P& ^+ d2 r% q - LDA $40* A" O- ^/ i4 {4 ? V
- LSR
; X; q! q3 P* Q5 ` Q5 p - BCC Track_Enemy_Check_Begin_L1
3 n" M( l5 n! ?/ R! `$ v s* u -
) B1 ?+ R3 \/ G, B9 b( O - JSR Track_Enemy_Ex ;2, 4
1 I2 A: W( f) y" L& B+ j - LDA #$00( S, g$ g' n7 S7 C8 ^! R
- BEQ Track_Enemy_Check_Begin_L2
" F3 M8 F8 ^) j, I -
6 C+ e q( b8 b" P N( o - Track_Enemy_Check_Begin_L1:
* f; m! T0 R& ?# ?, ~" C# _! t- _4 e -
! p& Q+ l4 v3 s6 R - JSR Track_Enemy
' M) @+ |* h( z - ' X8 |8 [1 L9 r4 ~9 i
- Track_Enemy_Check_Begin_L2:3 N' ^& G5 U* T6 q3 W
- 1 x0 ~( ?* l+ [( X0 a! M7 _
- LDX Enemy_Index. T# M2 [- g" X# J- |8 H
- Track_Enemy_Check_Continue:
7 m3 h6 x, z8 T* k - DEX2 x4 `" V: ]% Y$ \8 h
- BPL Track_Enemy_Check_Begin! e, A P$ Q7 x* ?" [! {: w" D
- Track_Enemy_Check_End:. X( C1 R& M' I O
- RTS
2 A5 E6 }$ l/ @$ O. g+ y- z - ( B; x3 z7 B# r8 O. Q( @
- 9 Y1 q8 K5 g" z% L x. ?4 @
- ;查找第一个敌人: S7 R" K t8 B) s0 Q
- Find_Begin_Enemy:& P$ J# g+ W, ]! M* R C
- LDX #$00
/ D( k; [8 J5 K - Find_Begin_Enemy_Check:
0 o+ t( O1 O* ?. j: P. x$ i& ?$ H - LDA Enemy_State,X4 t& b- Y0 }7 E' z0 Y' h6 }0 C( q0 o
- BEQ Find_Begin_Enemy_Check_Continue5 s" w3 J" u% ^. _$ Q
- LDA Enemy_Blood,X
- Z6 w) ^7 B+ L/ F - BMI Find_Begin_Enemy_Check_Continue. D/ R4 q/ N! K: ?# F/ u
- BNE Find_Begin_Enemy_End5 ]+ k. M: H4 ]$ ^% O" E8 _9 _
-
$ D9 U% S7 T* {- F0 c9 Y" F L$ e - Find_Begin_Enemy_Check_Continue:
# ?7 g3 |8 R4 s - INX7 |1 v2 j2 s/ W @
- CPX #$10
: J# X K& U2 ~; h - BCC Find_Begin_Enemy_Check
9 P; L3 q/ t) {! \2 ^! X; x4 b6 A - Find_Begin_Enemy_End:4 P. k2 |6 [2 q, t" ^
- STX Enemy_Index_Begin
5 n( @8 h$ W/ J6 Z - RTS" P2 I% O4 l7 O% J2 Q8 \
- . v, ~$ m! H9 ]6 A' d
- ;查找最后一个敌人* k. T3 f" g$ a6 k/ L$ t
- Find_End_Enemy:* s2 A: L% e- N6 B: w' k3 O+ E' I. m* }
- LDX #$0F! S! T) _7 I H- u
- Find_End_Enemy_Check:
; h, a6 h) D) z3 {4 v& H - LDA Enemy_State,X
P% d6 ~; p5 z7 T" V2 y - BEQ Find_End_Enemy_Check_Continue8 m/ S: d; k3 v. K
- LDA Enemy_Blood,X
! s0 W9 v" S9 k - BMI Find_End_Enemy_Check_Continue* o2 Q9 c2 Z9 e0 K
- BNE Find_End_Enemy_End$ w9 l" T y u4 j! }
- " j9 {: `/ o9 i4 ^+ a( H# E( ?
- Find_End_Enemy_Check_Continue:
4 H$ ]4 r( M. e0 D4 o - DEX( A3 u R9 u7 L2 ?
- BPL Find_End_Enemy_Check
, G# l( j. V$ h1 O1 O - Find_End_Enemy_End:
( ~2 Y. J! ^7 f - STX Enemy_Index_End
% E6 U$ ]" u5 a8 h( N - RTS
- F5 W8 ~7 C1 D2 F - g# n# N O6 L/ ?) H, l e+ Q
- ;子弹追踪5 M) d1 Z( c+ X
- Bullet_Track:
5 S# C# x o' @4 h8 k* S+ ~7 t - LDA Enemy_Index_Begin
8 b/ S( ~$ U* t' O - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
$ G) A+ s0 M* x( [( q - LDX #$00 ( K; v& R3 Y- d0 n6 L1 w
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)8 S/ w: ?- ?7 s1 |7 s
- LDA Bullet_State,X
' h- G8 D* {( i9 ] - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
! P2 W7 T2 `) W# v - STX Loop_Index_I. |0 x+ h* i1 C. W6 H2 v8 A
- 8 Y2 }* G. R' B: Z' ?1 C! m8 Q, \% u
- JSR Bullet_Track_Enemy
2 H. \' \: ?/ h& h - JSR Bullet_Tract_Direction( {( W, Z2 D% w) T+ W; V( i
- & p/ M$ r3 R& a: K' 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
: F. e' w9 o) G7 |7 `9 n1 J' b - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
. v a) l) j2 z0 Z - LDA nEnemyIndex7 H C- s' |8 E# P7 ~/ u
- CMP Enemy_Index_End: O# d3 b: ^& }
- BEQ Bullet_Track_Check_Continue1 V( O+ T1 @# g% }4 M9 w) \/ b
- BCC Bullet_Track_Check_Continue2 s: A! W* |3 m0 |
- LDA Enemy_Index_Begin" {5 V% V. v. N; F
- STA nEnemyIndex
7 w6 f& N+ h Z5 t# d2 ^* v. p -
$ X! X; ~4 x# r7 M0 _2 v3 W8 q- \ - Bullet_Track_Check_Continue:: J& f. q% S: y% [% l, i" k
- LDX Loop_Index_I* w' J- I3 P1 r: ]+ O
- Bullet_Track_Check_End:
- {/ l+ F0 g' ]1 B9 S8 ` - INX$ _% J( \4 a& n# G, i( U
- CPX #$10# F* I3 S# q# ]. m) n
- BCC Bullet_Track_Check. d5 y/ b, U( Y, l
- Bullet_Track_End:8 B: @& [; j Y- R% d6 n+ b/ G! x/ j
- RTS
: u' L7 O/ Z5 [$ x -
7 y* ^$ h7 W. R( y4 Z - ;给敌人分配子弹. Z! ^; S+ L- l; O0 G+ ` t! r
- Bullet_Track_Enemy:
" _4 t7 z( A& S$ A' g( ] - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)0 t7 `1 O ~/ Z, v
- Bullet_Track_Enemy_Check:2 E- W: }4 U7 R5 d/ Q1 U
- STX Loop_Index_J8 b9 r6 C8 _7 U2 [
-
) Q2 @# K* J2 n5 S' _ - ;if (0 != nEnemy[j] && -1 == nTrack[i])2 N9 Q+ S0 h# q' e
- LDA Enemy_State,X
) L1 H% v- s s$ J$ H7 O8 S - BEQ Bullet_Track_Enemy_Check_Continue
# A! k3 m2 _5 A$ Q% U - LDA Enemy_Blood,X
( f' ?' l6 U1 H2 O) A! {" C ]- w - BMI Bullet_Track_Enemy_Check_Continue! y7 r1 L$ j" s( o* M2 D
- / G; P' N* I8 ]
- LDX Loop_Index_I# R9 X) s+ r, c7 i8 n( m1 {
- LDA Track_Enemy_Index,X
: Z& a8 W* G. m8 g$ ^ - CMP #$FF
3 T+ V1 @& B4 Q8 ` ?0 T* l+ d - BEQ Bullet_Track_Enemy_Init [' a- A2 T' O( T& I
- 3 s+ U: D: \1 V& X: R% h- \) Z
- Bullet_Track_Enemy_Init:
1 R1 p- u7 u" r - LDA Loop_Index_J
& s$ }7 E0 p% O' f. R+ ? - STA Track_Enemy_Index,X ;nTrack[i] = j;
! P$ n0 S( d7 C" h# Q+ } -
, a% o/ ]2 H' |0 |7 m7 n7 G8 ` W6 y - STA nEnemyIndex
8 f' |+ D$ |0 o' C& M5 Y2 } - INC nEnemyIndex ;nEnemyIndex = j + 1;
; y; u+ O+ T3 N* m' [ - RTS ;break;
' ?! X6 ^4 ^7 E J
* V9 j. ]9 W% {1 Q- Bullet_Track_Enemy_Check_Continue:
" S m' q5 E0 }, {$ ^* k - LDX Loop_Index_J
, Z- ^- |: N6 u& T8 S( S - INX ;j++9 p' \: H6 O- m4 c
- CPX Enemy_Index_End
6 i' M/ b5 |# S- T+ t3 @ - BEQ Bullet_Track_Enemy_Check2 L/ M4 ]& P6 L' N7 X* n! t5 O
- BCC Bullet_Track_Enemy_Check
: R6 r/ U% l E; G/ y/ c% ~) L' G5 b - Bullet_Track_Enemy_End:
2 c2 h% k/ B. D - RTS
( o0 q9 c: Z8 j1 S) Q- g1 s
5 B1 j5 I4 n* @4 Z# G N ?- Track_Enemy:% w& v* v* M3 G2 b, W' _. ]; N
- LDX #$0F
6 J& P7 N' g Y( C: F - Track_Enemy_Begin:. O# N9 b4 C+ u/ n6 v% r
- LDA Bullet_Icon,X
_' j9 B6 x* u- A; |. | - BEQ Track_Enemy_Continue
/ j- @6 V0 ]* u% _6 u. x/ n$ n* x) j - LDA Bullet_State,X+ u. @9 V* z/ P
- CMP #$015 u, T+ W- X- S7 Y+ b' ~' t; m
- BNE Track_Enemy_Continue
2 I4 `5 P g$ {2 r- m/ f. Q - ( u. X4 m: k& i. F y7 P4 k2 ]
- JSR Track_Enemy_Process$ q% M& H+ m. H6 H, f+ F0 M1 V/ w
-
$ o6 @: G7 |( S4 `- U9 ]0 S4 j - Track_Enemy_Continue:
7 q. \8 i1 Z; p P - DEX
- q( ^7 a- P+ d H3 m - BPL Track_Enemy_Begin
# T0 @% _+ a/ b3 K7 A2 y' @ - RTS7 V6 i [/ D: B
- 2 l& q/ i- l) D) A! x
- ;普通关卡
! I! N5 z* P3 J( S - Track_Enemy_Process:
5 {- h: J P0 a. b+ M& r' ~ - LDA Track_Enemy_Index,X
7 I' N2 s' f" \ - CMP Enemy_Index G3 `- T' p# e7 s
- BNE Track_Enemy_End* r; Q1 j( c1 T- T$ H# k2 S
- LDY Enemy_Index7 C8 n" E1 f6 n5 ^
- JSR Track_Enemy_Y
* I0 C5 @4 W! `1 x - LDY Enemy_Index6 z% v" c# k: p$ v
- JSR Track_Enemy_X$ m+ V: K$ [) v+ k9 M
- Track_Enemy_End:
# \5 W. y9 P- y3 h - RTS
9 `6 h1 \9 e" y# \* t1 W4 Y- d -
" v% V) C3 d! Y3 U6 W - Track_Enemy_Y:2 t& E3 }: u2 J$ D( J y0 l z
- SEC
3 {6 r) H- w! e+ y. o - LDA Bullet_Y_Pos,X6 M8 K8 Y! D; d$ @4 s# {/ |8 G5 n
- SBC Enemy_Y_Pos,Y8 ? {: {' @: @8 Q9 U' }/ d1 I2 S, b
- BEQ Track_Enemy_Y_Equal
! H* }, c% r) r V8 @9 Z - BCS Track_Enemy_Y_Greater8 b4 N) C& P! G
- * c2 j) ]& H5 c0 |3 f
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y4 h7 R! \) Y, J7 ]) p2 Y& [
- CMP #$FC) X/ [& u- \& T* e* H
- BCC L1_1& g: h/ p2 {5 K7 [
- CMP #$FE- Q! }5 K0 w! E8 k3 Y( s: M, u
- BCC L1_21 m4 D# G5 C; u9 j! g, K4 D
- LDA #$00& R7 [( A* ~4 b: n7 i
- STA Bullet_Y_Speed,X% A3 g1 u$ z) S# g z$ c/ C
- RTS
9 ]( r: W7 M4 p; l" F - L1_1: 1 y: I6 c6 W( f. f& H# M
- LDA Bullet_Type,X3 A/ h& t5 N% N! V" Q& W0 m
- AND #$0F
4 c1 F1 u0 G5 o( d+ a2 u - TAY1 B5 O' ]$ l' x: T/ m
- LDA Bullet_Speed_Data,Y
" O7 R5 t0 x/ l0 g# ~. O: v - STA Bullet_Y_Speed,X
5 y3 C% K- ?/ }: e) k - RTS9 ~ m* L: C* W% t2 u- ^0 k& P
- 9 M1 n9 d, G/ G" L$ r B* r
- L1_2:
" Z' _) J+ C0 Q' f% | - STA Data_buffer+ c; {$ D% @' p- d
- LDA #$00
5 y0 e+ X% Y, E - STA Data_buffer- F7 u0 ~$ h! f9 p6 s7 U# P
- LSR
; g& }* q; v' t - STA Bullet_Y_Speed,X
8 J3 U4 _5 g) M2 j3 P - RTS' I/ ^9 W F2 \6 r% G
& P2 [- o1 ]8 x0 f- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y! a# V/ N4 r- d( `9 P
- CMP #$04
3 `- T& X' ?, N/ K( w# Z - BCS L2_1$ _3 ^% D# n n
- CMP #$04 m! B+ X0 p, l) {) C
- BCS L2_2
1 u& j/ d7 S. ?5 m8 r* z - LDA #$00
3 m1 C1 E" p# [. {9 q* E1 O - STA Bullet_Y_Speed,X" l& [$ D7 Y' q3 g4 W4 X1 w$ B- B
- RTS
& W7 _% r% z G8 f$ x$ u -
/ J5 ]8 A; x( J9 m - L2_1:
9 Y$ [5 m# n6 [# {; t4 F. E - LDA Bullet_Type,X
2 p/ C: r9 e9 s7 I - AND #$0F
# z5 Z+ Z" l+ y/ H- U - TAY( m8 o: X4 Y, d, t. T1 G4 \
- LDA #$00+ u! N7 z K3 c/ D+ K; s i* [
- SBC Bullet_Speed_Data,Y
/ a/ N2 @9 m( T! ` - STA Bullet_Y_Speed,X. H5 {' s# w& N. l! T& S! k- o6 A5 \
- RTS) N! E, Y5 Y% j
- 0 T7 o; D+ a: ]5 g0 H4 B
- L2_2:- S+ M! }: y" N4 K( Y3 e
- LSR' Z* u7 e# D# X2 R. ^; w9 N, r
- STA Data_buffer4 m! I j# T: A- e% b3 ~. h5 H
- LDA #$00
2 ~8 h8 M$ f1 U# E+ k! T - SBC Data_buffer5 {1 V X3 F @/ \
- STA Bullet_Y_Speed,X
7 Q$ F* X5 ]6 j - RTS, [$ F) n0 r" [3 o! w
-
, z# k/ |! }- K! o% ] - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
" }: s; I( Y) X& s& |8 }( l/ a# Z - LDA #$00: Z/ c1 P. ~# q( R6 T& R, O, D
- STA Bullet_Y_Speed,X& p2 {5 t& v6 H9 k& z
- RTS
0 x# E8 L4 k* M6 B' i% l6 g -
2 W( H) a: z5 Z K% A - Track_Enemy_X:
[$ [. j* |1 n ]% f( l( r - SEC
/ c; G( b0 E6 o6 | - LDA Bullet_X_Pos,X
" N+ g% T# D- P) {5 `2 ? - SBC Enemy_X_Pos,Y" m' b% H. f1 ~1 l6 H9 J
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
) ]- }8 B& `/ F' l, k - BCS Track_Enemy_X_Greater ;子弹在敌人下方
4 Y, w9 g* H& C) ^4 k" V - 7 e# |$ ]0 ^4 {
- Track_Enemy_X_Less: ;子弹X < 敌人X
& Q( N. z7 O; @- n" r - CMP #$FC+ z8 g* o- }7 W* Y
- BCC L3_1* _0 S# _( p$ u, Q1 n
- CMP #$FE5 W% @1 V" Q2 K
- BCC L3_2: p2 k- n/ Y" @
- LDA #$00* q& e# h7 y4 E' Z
- STA Bullet_X_Speed,X6 x0 p$ E$ d" _+ ?/ p1 E- S
- RTS
1 p0 y1 {, R0 J' D. o( S - L3_1: & E! t6 B+ v" Q& S v- y; t( U
- LDA Bullet_Type,X
% ~4 z W, C9 f: G$ _/ A - AND #$0F
' O* W6 h& \6 E/ |4 e4 E - TAY3 g" L, b" h7 Y" |0 |* {
- LDA Bullet_Speed_Data,Y
0 |2 R- E* ^; m8 i - STA Bullet_X_Speed,X
2 _$ j/ o% @+ U8 _! \( M1 H0 f1 X - RTS
: ^6 ~9 D$ u, s - L3_2:
$ P1 f# a5 `, P) u. q& ?5 K - STA Data_buffer
' U, v; t9 l# C/ O - LDA #$00* s7 ?3 [( e/ f, F) H1 _6 S
- STA Data_buffer
; N5 _# x7 d, C% S1 J - LSR, l9 v0 P. b+ c' r. K" n$ _: v( y
- STA Bullet_X_Speed,X; f8 T2 V/ {) Y6 z+ X" ?! J) M
- RTS( ?" c6 u2 R5 R" u# ~" }7 ~
-
5 t8 ~2 t# w( z- J, O - Track_Enemy_X_Greater: ;子弹X > 敌人X6 }/ ^; u% N/ Y$ N( [4 s# o! d% H
- CMP #$04( G$ F- F" K7 g$ e% @# N7 |
- BCS L4_1
1 V8 L) B' [- q! z - CMP #$02
) {! \ S; X/ R: g1 ? - BCS L4_2
* K- {1 l: ~0 [1 U9 Y4 _" x4 F - LDA #$00
0 T L, D' P9 ~( ?" ^% f - STA Bullet_X_Speed,X
5 L# Z2 \) n! b' S3 f0 r0 Q3 | - RTS& Z- T* l3 K* Z: p$ Q6 z/ V8 n
-
# j- L) p6 p! j9 h1 `8 X" @ - L4_1:
( ]$ q5 D. V! |) D* u; {& V, m - LDA Bullet_Type,X
. A2 i! D. U8 T# _4 ? - AND #$0F
3 [/ Y: L2 Y: h7 \& H& P - TAY
5 r! i9 ^+ b% c - LDA #$00
" ^9 V, T( ~1 s9 R2 @2 N( O1 f* H - SBC Bullet_Speed_Data,Y
7 ~3 P- B4 w. Y - STA Bullet_X_Speed,X
+ T5 {* x3 a4 F, i - RTS2 i4 f' B$ V: s8 w
- L4_2: + F; t( x5 I& y
- LSR) q! S' h6 h2 W; T$ v7 }
- STA Data_buffer B5 @% G$ ? V7 A7 ~& A7 u. M
- LDA #$00
9 C6 a' l% B2 @/ Q' K - SBC Data_buffer) g- c$ ?, ]: H7 L( U, N! d
- STA Bullet_X_Speed,X! l: o. Y5 w& f F4 O6 Q9 a) c
- RTS% \5 Q* Q4 x( j. |2 m
-
) D) r4 V6 ~( h' C - Track_Enemy_X_Equal: ;子弹X == 敌人X$ @( u$ F5 V3 @- @6 Q' ]
- LDA #$00$ k! p# G" q! r: B' [& R% `
- STA Bullet_X_Speed,X2 N# q2 O) a7 Z! P0 ?
- RTS4 `$ {2 }2 P: g0 a) y; {, Q
-
& I: k# M; E+ \/ t$ P; A) m - Bullet_Speed_Data:; c2 h9 d$ N! m+ |: z' r7 x
- .DB $00,$03,$03,$02,$03,$03% B' Q+ `; s) J E6 W* {! R/ r. ?7 n' s
-
) j) K/ W s3 x) U% P; h* M* [ - ;2, 4关
. [# g. v% A t. l - Track_Enemy_Ex:
* D: i; R m! j J7 M0 D6 S! x8 U - LDX #$0F1 _1 Y: r/ `7 y* @4 v p2 y$ ?
- Track_Enemy_Ex_Begin:1 _* E6 w! j# s4 C9 o
- 6 x5 @' f; ` ~
- LDA Bullet_State,X O. _& M) ~: o; L/ i( a
- CMP #$012 Q* d3 w2 { K8 I3 x
- BNE Track_Enemy_Ex_Continue
( M# s* g% G, A, C1 [1 s3 w' ]5 w - / u% }, W8 I. c/ b7 Z* w, I
- LDA Track_Enemy_Index,X3 ~1 u2 C% e/ k( }9 v
- CMP Enemy_Index* e5 b1 V+ E+ z. {1 A
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标" m* ^- Z; K! w, \
-
2 r& Q2 U4 v( Z3 w5 I, | - LDY Enemy_Index
/ j2 @' a& W5 ^# O% D - JSR Track_Enemy_Ex_X
- x* @, c$ f7 `! g. P9 g& b# Z - 3 @! C% I9 u; N" o( d. j- n
- Track_Enemy_Ex_Continue:; @5 M3 S+ h: W3 ?& u
- DEX4 @. o7 O) L' q- A1 o0 s1 ^) L% R6 U
- BPL Track_Enemy_Ex_Begin
; Y& k' K8 l( `; d, f7 q - Track_Enemy_Ex_End:
$ S& Q* ]: }. B, J/ h; n7 S - RTS
. w9 l# s3 r* I- o8 T7 |( W -
3 {: t& p! K0 f- F" l2 L6 Y - Track_Enemy_Ex_X:
% [2 m8 T$ O; _- L% I - ;LDA Bullet_Z_Pos,X. p4 g1 L, \* N3 i b; b
- ;CMP #$04
4 y1 I3 d; ~% N3 b* c - ;BCC Track_Enemy_Ex_X_End
" S- ~0 W1 K" \ - SEC
& K8 }- B% C/ D" v - LDA Bullet_X_Pos,X5 v- _' d1 b1 g& ^
- SBC Enemy_X_Pos,Y. q9 l1 ]4 @$ o. |
- BCS Track_Enemy_Ex_X_Greater" A) o+ m4 A) P- D6 `
- 4 @0 T1 r' C. H+ j- @
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
+ A8 r, Z0 J' I" I& M - CMP #$FD' e" j7 _. _4 U: {! |
- BCS Track_Enemy_Ex_X_Less_End
% C, a0 c( I& c. ` - LDA $6020,X
2 Y3 a% p) f/ d1 @0 T1 k; k, c - CMP #$2A
2 ~! l% H8 `- f5 U8 [1 T- c - BEQ Track_Enemy_Ex_X_Less_L1
& y7 W( n, P1 _6 J7 H - LDA Bullet_Z_Pos,X
4 @( I* e+ {' f) e/ s; \. R8 C - LSR
8 h* C( C) d* m0 ` - TAY8 M: P! M6 r9 n* x% {8 E+ H
- LDA Bullet_Speed_Data_Ex_R,Y
. n9 C9 ` |: N - STA Bullet_X_Speed,X
7 I/ N! ~7 m2 d4 Q. [ - RTS
& E2 W# i% L$ Q, d: @0 I/ V$ s - Track_Enemy_Ex_X_Less_L1:
* U# Z! n' w: H- U% @
q* A& W4 w* A# H I- LDA Bullet_Z_Pos,X
5 V, k+ L$ r) z a; u# L, w2 {- G - LSR* G8 y: u. D. I8 E8 p$ ]0 a- p
- LSR
, D; Z6 z+ Y) y. V3 ]4 }; @8 R - TAY5 n {6 Z9 v( l! E u* f: O
- LDA Bullet_Speed_Data_Ex,Y
' }! t0 I ?! x& g - STA Bullet_X_Speed,X% N; G9 K3 s3 h# A1 H) K
- RTS
+ ]# |: o0 I3 ]( q, ?5 R - & K4 d/ p, R& E9 B" t
- Track_Enemy_Ex_X_Less_End:
8 z4 z4 `2 e4 y - RTS
0 B7 v) p. [; D% }: Q8 A - 8 s6 T4 v" d* p
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X! t/ F) a5 h4 g2 V# J& y
- CMP #$03* l% X; e; f) Z" C( u* z
- BCC Track_Enemy_Ex_X_End5 N' d6 ?6 A# x& }* C: j) |
- LDA $6020,X# s- l0 b1 ` L4 \: X
- CMP #$2A0 \' J ?2 k& P
- BEQ Track_Enemy_Ex_X_Greater_L1: p* U4 T6 T0 H. _
- LDA Bullet_Z_Pos,X1 [$ a( M( N9 v- o% I# m7 D
- LSR
, A* `! O) w1 f - TAY& b) s2 u* G1 ?$ j1 ^, j
- LDA #$00
% r2 T; }; e( J5 J: v# y - SEC4 b- a9 ]6 m4 G4 S7 I+ W
- SBC Bullet_Speed_Data_Ex_R,Y* m+ p5 b' b& \2 T
- STA Bullet_X_Speed,X
5 w5 F3 F3 O8 E - RTS6 {% {3 G. B+ M: V
- * c6 z5 |8 H; s" D2 `
- Track_Enemy_Ex_X_Greater_L1
$ t1 q8 U9 q% D" R - LDA Bullet_Z_Pos,X0 k) v- D! m7 W8 I3 X
- LSR
9 M8 \4 O/ S# Z2 m& H7 ]) [ - LSR, r# V1 a7 k- ]
- TAY1 h+ n) h* |6 u
- LDA #$00* J) U# D7 I3 i2 R) H
- SEC
2 S$ x" Q8 [) L; l - SBC Bullet_Speed_Data_Ex,Y$ J: J2 j) e2 g
- STA Bullet_X_Speed,X
3 g& o# i3 {( ?! {/ x, ^ - RTS& W% t* x: v0 x/ ~: W T8 f
-
! L s* T$ A8 ^* u( B - Track_Enemy_Ex_X_End:
3 o J: C- {) R- Z7 ^) v" D - RTS- \+ u7 {# n9 r7 _
-
* ?. R8 s; 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)
# D! p% |9 u3 y7 X( z" p: y - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
% d6 I7 n3 |# p! j5 U: F& J& ?6 q - Bullet_Tract_Direction:
- R5 c4 w( v% u8 H- T - LDA Bullet_Icon,X7 J! N& W' y2 A4 O( o, ~2 Y, O
- CMP #$23+ f, N+ y+ |2 q
- BCC Bullet_Tract_Direction_End
! {# Z9 h, b5 a: h -
8 \: P4 X# C; c" n9 ~. C; | - ; X != 06 D3 E. q* h; q5 |8 C* I( d9 D
- LDA Bullet_X_Speed,X
* ~) z. ~7 r+ H" N7 D. L - BEQ Bullet_Direction_V$ [0 p' l( B& S+ V8 @, u6 h1 E7 n
- 8 s, \# x6 q" }9 C4 N
- LDA Bullet_Y_Speed,X. m7 c% `7 D, j5 }
- BEQ Bullet_Direction_H
" W3 ?, o8 W3 X+ ^ - 3 d% f$ P- ?# l# v' z6 Z% C
- LDA Bullet_X_Speed,X6 ^' N8 h9 Y! ~# N8 X/ ^' a
- BPL Bullet_Tract_Direction_Right0 U$ F' W! O0 g: |
- Bullet_Tract_Direction_Left:
. @. ]" A4 p4 h7 x - LDA Bullet_Y_Speed,X
& O. ]8 w3 k7 u- Y - BMI Bullet_Direction_Left_Top2 V# U4 d1 ]4 Q; G U0 e
- BPL Bullet_Direction_Left_Down" T# C6 r3 q3 j6 }9 G0 N8 A; J
- Bullet_Tract_Direction_Right:
4 A% ~ w% }- L# ` - LDA Bullet_Y_Speed,X* `/ a4 |9 s. G( b( S( |. {. N0 m
- BMI Bullet_Direction_Right_Top+ y6 O |, ?5 L) d. Z* }1 P
- BPL Bullet_Direction_Right_Down |, O. p! A; }, H) T# x
- Bullet_Tract_Direction_End:4 |6 K% k; t/ v( t# h
- RTS( f$ b3 k* j9 o/ j& r" j+ E
- ( x. S3 x0 t) Q6 ^
- Bullet_Direction_Left_Top:
k1 V! ]" o- ]7 g; v0 B9 e - LDA #$25# S3 E6 r% ]' S8 m9 t- B" J0 B# j
- STA Bullet_Icon,X
L6 |; A) C# { - LDA #$C00 C) B. u7 _; c# x3 L
- STA Bullet_Direction,X$ K4 U" P/ @/ d! G6 V
- RTS5 Y% k8 Q& }; V: A1 [
7 H+ n8 s9 b5 X8 a/ C- Bullet_Direction_Left_Down:: X6 a! Z" X2 I* S& @" r+ Z2 N: t
- LDA #$25
/ P3 N3 Q& g. ^1 H - STA Bullet_Icon,X+ A: l, W/ `3 t, f5 R! U
- LDA #$40* S0 R, ~* u% o* {
- STA Bullet_Direction,X
& j9 r6 V- x8 k# B0 K - RTS
3 u- J% d, \6 Y+ D. Z2 R - / y! [7 g9 w* s# c" |
- Bullet_Direction_Right_Top:
O# f, Q5 O- f' l9 @% u( J - LDA #$25 D% p! E* O, m; m
- STA Bullet_Icon,X9 T6 }* z8 S3 u8 X$ [
- LDA #$80, n; ~$ p! I" {) O8 O
- STA Bullet_Direction,X+ B# X7 E a4 P0 D1 L0 C9 w
- RTS7 t$ g9 o3 M) |6 S) A2 l
- ) C3 y3 o, H N$ _2 a
- Bullet_Direction_Right_Down:$ c% y$ {9 ]3 g" p) U+ H/ P
- LDA #$25
$ V3 d* \7 r; N - STA Bullet_Icon,X/ ?/ A. k! T1 W& ^& i0 x
- LDA #$00
# m6 R# k/ O! V4 F- n7 [" [ - STA Bullet_Direction,X- _/ I* e- e, }. ~- m# @; O! @. k
- RTS; P- M) u9 L9 l5 z
$ R' D& V5 o1 z5 U1 H( r- Bullet_Direction_H:
0 B; Z" f! o( @3 V! V - LDA #$24
U( m* X) K: c% }8 m5 O - STA Bullet_Icon,X
0 f3 G1 k' Z0 P* w# \ - LDA #$00
) [: }+ K* j+ P - STA Bullet_Direction,X
" @3 @ A) W: M' o n - RTS
5 e" ]: T( g# D1 }. R0 o - ; n6 J* N+ A9 a& u8 o) V1 r
- Bullet_Direction_V:
4 m- c7 J% H) X' m7 W$ m - LDA #$23
* K) |' O9 l; F2 l1 ?$ t - STA Bullet_Icon,X; [ ?' ]: V1 v# H
- LDA #$00
/ v1 n& S& [7 H" @- N& S/ } - STA Bullet_Direction,X
! o- m, C9 k6 m' _8 f - RTS
0 |1 |( J8 {7 u8 h% {. f
/ ]: l9 `5 h( ?! h- D/ m: V- Bullet_Speed_Data_Ex:
/ |) v4 x; N5 ^ - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
p! C( s- E2 N4 X) L -
. x1 C1 r" i* [7 g - Bullet_Speed_Data_Ex_R:0 m% q- J/ G2 `1 w- H- R. U3 Z
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08* {4 k) ^% Q; `5 s$ x$ d
-
复制代码
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2 Q( u* j- @ K2 h3 b: Y0 A* r |
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