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[FC][魂斗罗][J][追踪弹]
1 ]; ` C9 i0 b& _7 L0 j+ ]! w, x) j9 w/ E6 i! _. \. m8 W! c
时间:2023.04.30( `: I/ R0 i* l5 K' H- Y+ p. q; Q
作者:FlameCyclone
" V7 v9 y9 Y) g* J# v3 {) ^, }, l内容:
) j# V8 u) U c% g4 J 1. 所有子弹追踪敌人: Y$ l2 ]1 R: }% e! P- r
2. 选择键切换武器* o% p, d& }1 p3 T, F6 ^% 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/ h: N9 S$ S, `0 g# S3 _
1 S$ h1 `: w3 t: \8 B+ K
flamecyclone.ys168.com9 j1 O/ M& ^- m2 u; i: P5 j

# }1 Z: g5 Q" N8 A* ?) b$ E- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
( y: K' L& @8 S1 \, B - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L# ^6 I& }$ G. Q
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)0 X% R8 r" l* q
4 ?% O/ z7 ?$ b) ^2 m. k) ]6 V2 }8 X- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
a5 g' }$ o; x - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上; A' u j" d r! b$ b
- : Y% f6 o; K) N; d/ J4 e
- Track_Enemy_Index = $6000
. `* m! O( p* E: R - Enemy_Index_Begin = $6010* [( B2 G2 E5 h' \5 h- W9 m% w, u
- Enemy_Index_End = $6011
( @, O9 }# J6 t) W* g
0 A0 P* F2 Q% R$ q" K- Loop_Index_I = $6012
1 {7 J% F) q2 ~; c1 Y0 R9 ~8 _. D - Loop_Index_J = $6013% M2 G" u6 ^4 t7 F1 W5 d& z7 L
- nEnemyIndex = $6014 L+ C( i% d- g
- Data_buffer = $6015' Q% r& O2 M" X. d
2 e% n! q4 z7 [- Bullet_Y_Pos = $03B8 ;子弹垂直坐标$ c2 D1 b9 e0 u$ T P
- Bullet_X_Pos = $03C8 ;子弹水平坐标; g; l6 l1 Y( X0 h
- Bullet_Y_Speed = $03F8 ;子弹垂直速度9 x2 d1 ^; ?1 u: N$ _
- Bullet_X_Speed = $0408 ;子弹水平速度, E( _ A( J5 _. {/ O/ m+ Q
- Bullet_Z_Pos = $0418 ;子弹Z坐标
( B8 J) a- F2 M6 o/ E - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P {$ p, W$ D w" z% B6 y
- , E T1 y0 Y1 T
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸! d3 w9 p( N- X5 O* Z$ J, y
- Enemy_Blood = $0598 ;敌人血量
3 |" q! U& t, C4 L- C8 N0 x - Enemy_Type_Addr = $0528 ;敌人类型% A& M; _& e, V% r) \' T
- Enemy_Blood_Addr = $0578 ;敌人血量, Y: P) O' `$ e. I! e f
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
9 F4 {8 b: l& ]7 v6 \1 h - Enemy_X_Pos = $033E ;敌人水平坐标' p! Z7 j) M3 y
- Enemy_Y_Speed = $04E8 ;敌人垂直速度: Y9 v m6 n% D( l2 x# [4 }
- 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
; d2 i. }% z% W3 f1 [9 L- l! c
4 G) a: [9 M: B J- Enemy_Index = $83 ;
) h. }! [3 Q$ c3 E R. t - Time_Count = $1A
( ~$ K9 x+ u9 h1 M4 [: } - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, t! s# b$ L" O1 F: O - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率) C2 @8 N, n" F( p
1 |- M% \! s3 y9 b$ Y# J) x1 ~# t9 C- " j* P F, ]" @) d$ k F/ N
- .ORG $6100
0 J. b1 N# t2 M! x; b4 l3 C$ S - Process_Begin:
! m+ N& r$ o) H1 P, s- t - JSR Enemy_Check/ q! G6 r8 F1 n3 p
- JSR Track_Enemy_Check
r7 w# c' r1 U9 o - Process_End:. [2 G$ O; A3 G& h. M
- JMP $E54F
8 W' d0 _) I" k& z- c6 I - 1 v/ A7 A- ], b0 |: ^* E: L5 k( M
- Enemy_Check:
, J4 q5 J" E+ C# b! F# b0 [5 u" N1 F - LDA Time_Count
3 H U: X& q" Q3 o& R9 ~ - AND #Track_Bullet_Speed. m6 F5 Z0 N( S! I0 n, k$ r) K( v
- CMP #Track_Bullet_Speed b. i. a; b% H& q3 K( Y' f
- BNE Enemy_Check_End
! ~ @; q/ |6 R" [. b/ ] - LDX #$0F
& D7 g5 J, r+ P' Z" S8 n - Enemy_Check_Begin:; g: y: @$ K) k1 ?2 H; y2 \0 L
- LDA Enemy_State,X8 L( L2 E# J* N( H
- BEQ Enemy_Check_Continue( u( ^2 F W0 g$ S$ O; W& l
- STX Enemy_Index6 B( h9 A3 F2 e3 M" k
- JSR Find_Begin_Enemy
0 ]3 `0 {: ^, Q, {* z - JSR Find_End_Enemy
L* x1 H3 b9 U - JSR Bullet_Track5 \. E# P$ x$ }5 T/ N9 z3 X
-
9 K6 l5 [" }* T- u% F+ k - LDX Enemy_Index$ j2 m9 l$ r5 D1 t) m- l' I7 |
- Enemy_Check_Continue:
0 Q/ A( }6 x8 @3 T - DEX
, s3 c, [6 p1 j, z - BPL Enemy_Check_Begin
- a$ F+ a+ }; R( o7 w5 g7 p - Enemy_Check_End:0 M& N+ l. z; @5 Y' D# A
- RTS
0 D; T$ J4 S' D# k% _& T: P - 1 |1 f) O( W3 ]2 T: s6 F. I
- Track_Enemy_Check:/ I! t" [8 Z# C( g T! N, P2 M
- LDA Time_Count
8 V P; ~3 i' | - AND #Track_Enemy_Speed/ M3 q# H) G( r% g, M
- CMP #Track_Enemy_Speed
% d" u3 L0 K, T) G3 @ - BNE Track_Enemy_Check_End, C0 a. _$ Q+ [
- LDX #$0F- K6 k" l& N2 k; v) j' D
- Track_Enemy_Check_Begin:2 [/ G0 [- p; T* X* ]7 z! D7 S* ~+ V
- LDA Enemy_State,X
; G' T, C- _2 G. b9 B2 U - BEQ Track_Enemy_Check_Continue
8 w) N0 `3 r6 z9 [ - STX Enemy_Index! E# c) G7 c C' \4 `* U/ i, o7 a x
- # H5 g' ?) N% A3 g
- LDA $40
. C( x2 j7 M* i - LSR# d4 L% Z& [2 @
- BCC Track_Enemy_Check_Begin_L1) P6 N% V6 Y; B& A
- / N9 X% V% I7 w2 X
- JSR Track_Enemy_Ex ;2, 4
& u( N, q! k4 J% M" i - LDA #$00
0 ^& G, X) \4 p! y& p& |/ ~' m1 R - BEQ Track_Enemy_Check_Begin_L2
7 S; {6 K0 r' [/ Z) i2 ]! e/ t4 v" a" j -
0 ]* t- H' G) V# N3 h9 ` - Track_Enemy_Check_Begin_L1:% \' u8 z% T/ j; K/ E
- : c! A6 e- B @
- JSR Track_Enemy6 C' @# s; _+ i" f/ D& x% P# ]
- . r X/ H/ X2 B6 l% K9 L# N$ M
- Track_Enemy_Check_Begin_L2:
0 @; _& j- ^( W4 Y9 m3 B: D -
* k4 Z7 Z/ W- o2 D - LDX Enemy_Index
: X6 B/ j7 m: n/ W e8 I8 H - Track_Enemy_Check_Continue:
. \4 r X& A5 L a - DEX- n( _- k x$ M; m
- BPL Track_Enemy_Check_Begin6 L. f- G( _# ?- p, e
- Track_Enemy_Check_End:
( N1 O! q- |) v" g: _" S& H9 s - RTS
: b+ a1 I# ]( L5 {+ D8 T, i - ' E. L# G6 t! o, c3 }) `+ g) B
5 C8 ]1 V( X3 }- ;查找第一个敌人
, D( z0 j M1 Y5 y+ b3 |" y a# i1 S0 n - Find_Begin_Enemy:' l/ r" q: P; o T/ ]' ?
- LDX #$00- a' L! o! \( ~0 z
- Find_Begin_Enemy_Check:- J% l: Y+ X' z7 ^
- LDA Enemy_State,X
) J1 [* E6 C7 s - BEQ Find_Begin_Enemy_Check_Continue& b# u8 N; D) w9 Y6 k5 H$ P9 U
- LDA Enemy_Blood,X
5 ^- r* U! W3 W5 \" p - BMI Find_Begin_Enemy_Check_Continue
9 D& U! x% f( P1 @: h& G& x# ] - BNE Find_Begin_Enemy_End+ v# i, q" R8 S& Y# ]8 W- N6 S
- 9 }; F% U4 q6 q. F
- Find_Begin_Enemy_Check_Continue:
5 G2 c% f9 J+ P" B5 h h" {" I - INX
: W& w" u" c5 c7 f Z: M - CPX #$100 Y( l# {9 W) F* ^' t
- BCC Find_Begin_Enemy_Check
* k0 X' Y$ G: }6 a/ c/ E9 e - Find_Begin_Enemy_End:
1 w- Y+ a" M+ J) b! `8 f7 n - STX Enemy_Index_Begin
- | F0 P9 o# e! D3 `3 A2 B - RTS6 V5 I9 y3 P# o; O
+ i) n* [8 K2 A- F- ;查找最后一个敌人
2 Y4 e! b) A3 ]+ j4 |& m - Find_End_Enemy:$ s; _( s- ]0 d4 X7 D
- LDX #$0F
0 u: s( A$ }. T2 O - Find_End_Enemy_Check:
+ D" V8 Y6 \+ Z5 o/ `) U - LDA Enemy_State,X
1 I5 L, o& N5 M. A. [ - BEQ Find_End_Enemy_Check_Continue1 j- \; x9 g! g) t# C) r
- LDA Enemy_Blood,X" i$ X5 E9 n3 J& d. R
- BMI Find_End_Enemy_Check_Continue
/ I2 x" o/ P' |; I - BNE Find_End_Enemy_End2 ]$ ]# e. K, x: [
- 0 F" i% H2 s! i. }4 T& t
- Find_End_Enemy_Check_Continue:
; j- l3 u( ]; ~6 _+ J& j/ w2 r8 { - DEX6 d2 b( E2 F0 K( c! Z7 |$ N4 S
- BPL Find_End_Enemy_Check
5 M- e7 Y5 S+ ~! X! G- Z1 x& E - Find_End_Enemy_End:
2 M/ E# _2 x1 X- g6 D7 o5 I- H - STX Enemy_Index_End) X# |; O$ C- z9 L- o/ j0 r4 d
- RTS \3 S* A p! d( y9 q' E8 ^
- 7 C8 i& F( T1 C" d# F' e+ e2 Q5 N
- ;子弹追踪. A- q4 }/ P4 @9 b8 t- F; g
- Bullet_Track:
# S& i) G4 l* \" ~) B - LDA Enemy_Index_Begin
/ s+ t/ U7 S& G! i) W2 u - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;7 Z7 S9 l b* @4 ^1 y
- LDX #$00 8 e7 q$ ~+ ^2 c: B; B6 I) [
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)% ^: U& q. K; j8 M
- LDA Bullet_State,X3 u4 \% t4 g, w# M! g( c
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
+ o, T) j1 n: G - STX Loop_Index_I& Q9 J. U/ z& D% D$ [# A
-
$ f- s, {' O# I5 \9 ]% a - JSR Bullet_Track_Enemy
; k: Z5 ]8 d0 l+ x - JSR Bullet_Tract_Direction
! B. q! Q. g0 y! h {: ^8 s - + m: I8 d1 j" V# R) W
- ;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9 K7 ~+ J% E+ r b, {! D
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
9 r% r# L7 d: @0 Q3 Z V - LDA nEnemyIndex
' m/ f4 Q& C! Z# k/ I: d! U4 D/ _ - CMP Enemy_Index_End
2 E6 }" {, a0 m# _$ A) P - BEQ Bullet_Track_Check_Continue
7 C0 e6 T# ? D - BCC Bullet_Track_Check_Continue; {+ D' o# p) X: t* ~
- LDA Enemy_Index_Begin
0 R! v/ L% M9 i( k0 | - STA nEnemyIndex& S/ Q( m! U$ K. f5 I' y( H# `
-
7 y8 Q# ]7 I0 t - Bullet_Track_Check_Continue:+ c* u- y% f$ s" L; v' {& r$ F- T
- LDX Loop_Index_I
, ?4 { \$ Z4 Q; Y1 K- U - Bullet_Track_Check_End:1 Y2 U; ?+ ^% w+ A# c
- INX
! O! N) j2 P4 n$ |6 P5 f$ q, C% z4 d - CPX #$105 d# ^$ l7 X# {% g9 Q8 K3 t
- BCC Bullet_Track_Check* f8 g4 q$ ]+ x3 e: k9 Y
- Bullet_Track_End:
1 }2 N" \8 e. H - RTS
: {% j, W- K' C/ C8 R -
* C6 S" \8 a# n3 w6 r. ]: r - ;给敌人分配子弹
- r8 i% g& Z* p$ A1 }+ O( d2 c* H% r - Bullet_Track_Enemy:
9 E' z5 L0 P& q) H' o - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
2 v6 K6 T# \" X$ x3 Z3 F8 O/ F! @ - Bullet_Track_Enemy_Check:; W- Y- p8 }0 b" C( ]0 O' k
- STX Loop_Index_J, q* p7 W( z; Y
-
* c# y @5 A6 L2 _) m7 H% G/ G7 l - ;if (0 != nEnemy[j] && -1 == nTrack[i])
7 u Q; \1 g& u! Q) | - LDA Enemy_State,X
# }# P3 i& }5 b - BEQ Bullet_Track_Enemy_Check_Continue
& o3 V, V" K" w# f. J! Z - LDA Enemy_Blood,X6 i9 r }+ K! t& j# N9 ?
- BMI Bullet_Track_Enemy_Check_Continue
$ o( p! b& x- U" \3 T - $ b6 U6 @. Q8 l
- LDX Loop_Index_I
. V" |# E! P( v% w: a I - LDA Track_Enemy_Index,X: t! c! M, Q/ A6 W9 v# E0 f
- CMP #$FF
! L+ ` c2 x( L2 \, L; ~ - BEQ Bullet_Track_Enemy_Init
# \. f3 w" ]0 Z2 P' I4 m8 y - 0 }- j" j6 L( D1 m8 R
- Bullet_Track_Enemy_Init:8 s: s: C9 X8 f. r
- LDA Loop_Index_J
9 G( E: D y7 k& s7 [5 c; Q0 f. I - STA Track_Enemy_Index,X ;nTrack[i] = j;
' i% A+ {4 k% e# k" ^* Y - + ]5 \6 \6 m, L$ l( a8 y# j
- STA nEnemyIndex
. e7 [7 `9 g/ r9 ~. X - INC nEnemyIndex ;nEnemyIndex = j + 1;
3 W( r: k# f/ ? - RTS ;break;: |; n1 Q! m0 ?% T( [) s4 j
8 W+ m( c2 o8 l- Bullet_Track_Enemy_Check_Continue:
4 V2 Q( i: C+ O - LDX Loop_Index_J- e) T: M) M/ m& U3 q1 b$ \
- INX ;j++
; g6 i. t8 |/ S - CPX Enemy_Index_End
7 y3 G8 Z/ s* d6 t9 N3 Y' w0 B - BEQ Bullet_Track_Enemy_Check
/ h* L- N) v: d/ u' Z - BCC Bullet_Track_Enemy_Check- t$ t% r; Y& d/ d, v* _
- Bullet_Track_Enemy_End:% f" m5 b4 V. y" }' T" u& M5 C) a- K
- RTS. Y: n+ U: O0 U$ S g8 p# i
1 S8 H h" y' L. R. W! u0 F- Track_Enemy:
7 v4 E# Z3 |/ Y0 n7 X; M5 s - LDX #$0F6 |" @ c+ O- c( q, L1 M
- Track_Enemy_Begin:
9 o7 a/ R2 X* v8 a8 H - LDA Bullet_Icon,X
1 \ T2 {, ~' Y4 b B1 s9 d - BEQ Track_Enemy_Continue4 j, P8 }! W* P; i$ h! Y
- LDA Bullet_State,X% x% M# e4 b7 Q: [ U2 K/ e
- CMP #$01
; S0 H" r) j1 i - BNE Track_Enemy_Continue
1 p3 @+ G. Q4 ~$ [! H c2 W, U - 7 g8 O9 {" L3 R" |. I
- JSR Track_Enemy_Process4 W" A5 ^! \6 J8 R! K/ d# J% Y
- 6 ~$ M+ ~( _) f# f
- Track_Enemy_Continue:
: d, D0 _/ \ \( ^ - DEX
: D9 A- P2 s0 U4 l- v% | y - BPL Track_Enemy_Begin
; p9 `5 v6 [3 l% I - RTS
9 p7 Z* l q( H! Y' M! D0 t - " w! S/ g. U( X- j) P
- ;普通关卡( f4 V2 ?! L1 W" Y; n8 k/ W
- Track_Enemy_Process:& I4 P5 I$ q8 u, K1 P) B
- LDA Track_Enemy_Index,X
f# u _; C( x v8 p - CMP Enemy_Index
5 O% J9 ~% w1 p' m - BNE Track_Enemy_End! X8 E6 }/ q, s" v% p% O
- LDY Enemy_Index. f1 O8 d Q6 X2 _6 x) ^
- JSR Track_Enemy_Y( t8 u4 G3 X, M3 o9 W5 p
- LDY Enemy_Index7 m4 K, L/ Q4 ^0 b; [; S8 |
- JSR Track_Enemy_X; p5 _5 V+ F" P
- Track_Enemy_End:
6 y4 d/ b; T4 B - RTS
( `. a5 i4 E% q -
+ j; G% S% e/ N+ M4 p f - Track_Enemy_Y:
1 I0 D0 g, x% C5 q- e6 {. Y - SEC
* r- e( _& I$ o2 n - LDA Bullet_Y_Pos,X
, C, U- w. S. y4 O - SBC Enemy_Y_Pos,Y
2 s! f0 d I2 u/ J$ L - BEQ Track_Enemy_Y_Equal
; ~; k/ v8 o/ } - BCS Track_Enemy_Y_Greater5 V( D/ f. m2 v( H1 S
-
- s0 S A! c `% c0 q9 E# k; [ - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
$ p8 _* W1 j7 d - CMP #$FC
0 ?2 T# H0 g! Y1 Z' z - BCC L1_1' f) {& f$ N7 c
- CMP #$FE; ` L4 W0 y, S) S" V; U& f
- BCC L1_2& A Q* W8 u! I( k5 x, ~4 ?
- LDA #$00$ y- P/ U; G. }5 K( h' C
- STA Bullet_Y_Speed,X5 o& l+ f6 j; r, ~& L4 p' E
- RTS2 H. s# l. h5 C$ N
- L1_1: 9 i2 f+ p/ S |: W. v1 Y/ I# B
- LDA Bullet_Type,X v3 v9 a" f. J/ b: H; j- s% M8 ~, Q
- AND #$0F
0 b+ p( O( M+ S/ j2 z+ H7 L - TAY p& S( p/ V* e& ?
- LDA Bullet_Speed_Data,Y
+ A$ v2 e1 k. B" G - STA Bullet_Y_Speed,X
c; ]( S* i! P/ g6 U# a4 z - RTS o2 \ q) Q' z& z! G
" l" `& `; L5 O/ M7 Y1 [5 `- L1_2:
! a2 l9 a$ T* f' }: k - STA Data_buffer
: x" a4 N* S" m" O - LDA #$00
$ F. B4 @* h$ e% } - STA Data_buffer0 P" X& ?1 }! W3 O% o, d
- LSR
, o/ }: \- u4 @0 f0 ?7 T! e0 Z - STA Bullet_Y_Speed,X8 u8 h1 a5 ^* Y4 f
- RTS
! w9 J7 c- |; K6 G2 x - 8 @& f' J1 x) ]2 Q4 T9 R
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y; t, p3 }0 c& u1 ?
- CMP #$04: Y m# G6 l9 b* } Z& y
- BCS L2_1
& H% a W k l' x0 m8 C; ~ - CMP #$04
0 G6 S+ g3 ]% B6 W. ^7 ~8 j" O+ q - BCS L2_20 p' m/ G- S" [& h/ E$ H# q# u1 k, B
- LDA #$00
: J8 m+ c5 L; D; p+ m9 ]8 v/ f( l - STA Bullet_Y_Speed,X! h8 g8 K' p1 A7 b, a, h
- RTS* _1 Q7 @; e) R% i T \8 P$ u5 V
-
0 V. } m( ?$ @& D7 C: x# i/ q - L2_1:
( H9 y# \8 }/ J7 c- {- I; l! J5 m - LDA Bullet_Type,X! r& c8 K+ P& r" O; G
- AND #$0F
. f- H' _( g6 a7 X: q - TAY: g$ m0 ]9 F6 ]+ V7 o1 w F
- LDA #$00
4 ?9 A9 p1 |, W5 d9 x; S6 } - SBC Bullet_Speed_Data,Y
1 E( }+ L1 A+ G. e - STA Bullet_Y_Speed,X6 J' q4 L7 l( }% q
- RTS' x+ H* ]& h+ }0 E6 n% J/ o
- ! f+ F$ f- _; L% Q* Q
- L2_2:
9 l+ k, x( j3 t2 C. T - LSR; E% y7 \7 N" w
- STA Data_buffer
" Y# R: |5 `: ]& c o - LDA #$00
x D5 x& }4 u* }3 B/ u5 S m. s - SBC Data_buffer
3 Q: \$ N8 L# K4 k - STA Bullet_Y_Speed,X
" l0 }! _9 y* i( A& g) ^ - RTS
7 B& F! T+ H* U; C - ; q N8 o4 W" p$ ~8 l; h e: o% ]
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y& v+ u% f% @: Q- b8 d/ d
- LDA #$00
' u3 c$ M' r5 Y - STA Bullet_Y_Speed,X
% L8 f* `* _' \: O; J8 W3 b8 _ - RTS2 v3 {8 e" S4 P' _" I9 D
-
_7 r' Y+ B: t" J% O+ H - Track_Enemy_X:* J7 Q) V- F0 L* ^( k @/ K' A
- SEC6 S1 D1 r8 {1 M" B' X0 N# Y
- LDA Bullet_X_Pos,X
/ c# |9 e- m5 w$ L5 | - SBC Enemy_X_Pos,Y- D% W, ~# U( f6 ^8 D& K
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
# N, Z# H; P- d* u/ l1 _& z' j - BCS Track_Enemy_X_Greater ;子弹在敌人下方1 P- D* N) h. ~# o; D
- , H% j7 F1 T. |7 i7 w$ R
- Track_Enemy_X_Less: ;子弹X < 敌人X' d0 z/ A& N: l7 ?1 S3 i$ a
- CMP #$FC( w* ~6 l' w/ u3 S
- BCC L3_1/ I) B: i& Y1 T! |# U y1 S. l
- CMP #$FE
1 v: R( [% H* ]0 S1 C O* f) K% L - BCC L3_2- Y1 o5 J+ y8 w$ v/ V
- LDA #$00
9 t: I% g* a; M% Q( W - STA Bullet_X_Speed,X
3 Y1 n. ]1 p3 ? - RTS/ H e3 Q. o; H
- L3_1:
# ]! }$ d0 O! P! I% R: e& \ - LDA Bullet_Type,X, h/ K& R5 i2 k9 D5 b
- AND #$0F
7 }. D8 ~. v) U2 H& v2 E - TAY9 _, Q% W4 c! Z7 V. D* |3 Q; z
- LDA Bullet_Speed_Data,Y
3 x. W) t) h2 h) v, }+ ^: A - STA Bullet_X_Speed,X9 f2 O L8 [, ?0 {0 g1 k' f: f) f5 x
- RTS
/ m7 D: K' @# z1 n5 O% | - L3_2:
* x& c& Q- a3 S - STA Data_buffer
. u9 H' `& b) d( j - LDA #$00+ p; L8 @& S" B; F8 w# _: q
- STA Data_buffer" |' R' \, z- |! I3 t# M P+ L
- LSR/ L5 ]& n6 S9 O( B3 b& R2 t
- STA Bullet_X_Speed,X2 t0 _, S" f) c3 C! B4 K) `
- RTS
0 ]* A3 V# p/ m - ( [' l* E3 F5 [& M
- Track_Enemy_X_Greater: ;子弹X > 敌人X
4 q) `1 h6 m2 j: M7 r - CMP #$04
; O+ W. M& w' q - BCS L4_1* Y1 i o @& r" x2 f5 z
- CMP #$02
; K. p8 f0 A( q2 @% o - BCS L4_23 J# B7 r! b. s, Z8 y
- LDA #$00 F, p1 b5 f4 F- g. C- |* H- v
- STA Bullet_X_Speed,X6 e$ |! d/ j7 ?
- RTS
6 J, @ z: a/ ^3 n - 4 A; `6 R& `: t9 O. w# s
- L4_1:
& A) ~+ ^$ v: B6 ^$ O/ @ - LDA Bullet_Type,X w& j6 Z* J$ j
- AND #$0F
$ |+ U2 Q1 @6 _0 r- r9 D2 X - TAY
6 a6 l: C, |; N% n( V- A - LDA #$00
" |$ }/ ?/ B, y0 @& p2 F% C( S' \ - SBC Bullet_Speed_Data,Y3 k( r" {- x. `0 w! D: w
- STA Bullet_X_Speed,X
/ b6 {6 S9 n% V3 R; L7 y - RTS/ S, {2 B( @) C
- L4_2:
$ `0 z5 |$ H$ R7 o& l - LSR8 k T) h4 U$ @- n* Y1 K0 R
- STA Data_buffer/ _ h$ Y2 w2 E' Z" b
- LDA #$000 F9 C1 ?4 X* Q
- SBC Data_buffer, _& w9 n2 a8 ?# g, a3 ^/ k# w8 H- ~9 D
- STA Bullet_X_Speed,X
5 [3 @, H C( v1 d0 q6 d - RTS
7 T7 B) C% T7 X6 E -
- h( @% G+ J" }" h/ p - Track_Enemy_X_Equal: ;子弹X == 敌人X
* |. v$ H. I" N - LDA #$00$ Y' a% O1 b7 O/ c. _. Q
- STA Bullet_X_Speed,X1 N/ X4 M' P# u, s: S4 d7 H, p
- RTS/ Y9 t% p) \+ }0 |4 W
- $ @* \1 t9 }" Y/ e
- Bullet_Speed_Data:; V+ M6 e" R% A
- .DB $00,$03,$03,$02,$03,$03
$ I$ C4 _) B, N! M4 w0 c7 o - 4 v' d3 ]( K8 Q+ j/ q/ E5 ~2 o
- ;2, 4关! B* |$ a+ X3 m, f, [" b4 D
- Track_Enemy_Ex:4 g& p7 c, l- h+ Q
- LDX #$0F
+ C3 r+ ~( e! A' ^. J% F - Track_Enemy_Ex_Begin:
1 U; Y# S+ j" z+ ]1 f- b& x
5 o* o4 _# ^$ x3 q' |/ i- LDA Bullet_State,X/ }/ r/ _0 ?7 d, o; X+ S! i" c+ j
- CMP #$01/ j/ F: E0 C, w. T
- BNE Track_Enemy_Ex_Continue
/ J! b; Y) H* L! e - F4 }3 v& L) E2 M# T% d. z: \
- LDA Track_Enemy_Index,X; \7 W! g* c% @' l+ V
- CMP Enemy_Index5 h8 D- C, z- k1 ]+ A. x* C
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标; Y8 w) ~7 s& {/ w6 P
-
( Z- D1 u& x& r; B H+ a - LDY Enemy_Index. q* E' [, J+ _, l. a: O1 w/ I
- JSR Track_Enemy_Ex_X; t* z* A$ p) {* n4 g& ]1 l
-
! X8 w: }9 c, R3 Y4 u7 M* |' J - Track_Enemy_Ex_Continue:% i* L" d: Y- o7 r
- DEX
. `7 { _. R- n2 f4 q) t2 S - BPL Track_Enemy_Ex_Begin# d4 a- E* W6 g s
- Track_Enemy_Ex_End:, y9 a' T5 z% o* w; L
- RTS# j P" Z$ Q$ m! G( B8 r
- ' M# n, u7 H5 B% i4 X8 }
- Track_Enemy_Ex_X:5 ~# l( P' S8 `, q& g, U& U
- ;LDA Bullet_Z_Pos,X% l& u+ T2 O! C/ J( w9 u1 W" l
- ;CMP #$046 Y+ Q* l$ K7 L) g. k6 s& x$ ]
- ;BCC Track_Enemy_Ex_X_End! O6 k$ H" a. q& W' h
- SEC
9 W( ~6 T0 L1 S5 \6 P" D9 m2 l - LDA Bullet_X_Pos,X, f) y. z$ d: ]: {' u6 c5 g
- SBC Enemy_X_Pos,Y
( w* n z/ ^1 \$ `; @. V) i U - BCS Track_Enemy_Ex_X_Greater% [+ m: {6 A- E, E( n" P
-
3 I4 F6 b. _4 g8 Q - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X9 P7 w* P7 j/ r/ y8 W
- CMP #$FD
6 m) j$ l: T9 ~: f9 U: L - BCS Track_Enemy_Ex_X_Less_End5 ^4 @5 h& e: v: \
- LDA $6020,X4 C; i! Y8 ~/ V9 p
- CMP #$2A' {5 V1 {$ n4 y% {) A
- BEQ Track_Enemy_Ex_X_Less_L1
1 q5 c- n* x3 o - LDA Bullet_Z_Pos,X
! r0 L' q- K+ f" h# k0 ? - LSR9 n# x7 l: `; _% v$ w
- TAY- x+ d' l4 T6 L" k
- LDA Bullet_Speed_Data_Ex_R,Y
* R/ a% @" t! `1 P; ^- r& w& y# I - STA Bullet_X_Speed,X+ o3 x1 m- l6 L+ }
- RTS# H, N2 x: D y7 i% j- Y& S
- Track_Enemy_Ex_X_Less_L1:! e! ^, y2 M5 @2 N6 r2 h
& Q; Z5 q* k9 ~+ ^+ Q- LDA Bullet_Z_Pos,X5 B2 M6 c2 N' }5 p5 ?+ d0 R
- LSR
6 i/ k' d0 w t! W- u }2 Z - LSR
) j* S- ]$ U/ p9 g$ ] - TAY1 [8 E8 N P& L0 I* K
- LDA Bullet_Speed_Data_Ex,Y
3 d# M7 O2 C/ M$ A9 x* I3 F1 X - STA Bullet_X_Speed,X! e% p$ O+ G% r- l- G' A
- RTS- c7 K6 w) U% c' Q+ I
- ) s; K; o6 E- a' n
- Track_Enemy_Ex_X_Less_End:1 K7 \! Y, W$ }9 J0 `) W' \
- RTS
0 @+ J/ S$ P! ^ F: | - : s: H. d: B+ U* O
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X# v5 }& f! F6 z9 o
- CMP #$03
5 M1 k- Y0 G) _, b6 m - BCC Track_Enemy_Ex_X_End! {' J2 {* q y" m y
- LDA $6020,X( T( w7 S2 t' q+ o$ a% u1 r: B2 e
- CMP #$2A: }4 `4 [( [* Y S5 p
- BEQ Track_Enemy_Ex_X_Greater_L1
' c0 S9 W/ X$ t - LDA Bullet_Z_Pos,X
6 F% G% _1 g2 _ - LSR
O4 x5 J. B; ? - TAY) o# v# M6 t1 Y4 y
- LDA #$00
2 G0 x. e0 v, G% x9 X - SEC
/ E( `+ {0 V- y. j# X. p/ o - SBC Bullet_Speed_Data_Ex_R,Y
. o, N8 p2 w. w. x p' m: L. h" h - STA Bullet_X_Speed,X
M' R, P& v. r) G& x5 h6 F - RTS/ U6 ]9 b- @; k( i7 g$ w( w
-
5 C% E6 Z4 L: c h4 T0 ^ - Track_Enemy_Ex_X_Greater_L1
/ p4 G4 \3 b2 z z - LDA Bullet_Z_Pos,X
" m7 @; t# \8 W/ f8 k$ J& L( K- I - LSR
! W4 X& A% D/ {; B - LSR) \! l9 R7 c3 K
- TAY
! [: F0 G( ~5 O+ k; U, l) Q - LDA #$00
9 a7 H, m) R0 a' m - SEC" d9 X: J- T" [" _4 y( _3 i% E
- SBC Bullet_Speed_Data_Ex,Y
$ F! }2 x6 }6 ]. n - STA Bullet_X_Speed,X
m9 Q) F& t% E5 U+ g - RTS- D. t5 Y: u! Y0 y2 b1 H+ M
- & u, e6 t) I6 z5 C: p
- Track_Enemy_Ex_X_End:# F; E5 q# Y+ S, e0 m) y5 m0 q0 E
- RTS* i6 a2 u% Q' o7 ?
- , c* X( Z# m# F/ T1 J- Q1 h! 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 d1 `6 b- `' Q
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
4 }8 ]. u! [5 b2 z - Bullet_Tract_Direction:
( p5 Z. t2 H1 j4 I( ^$ B5 e - LDA Bullet_Icon,X
* ~& @9 L0 F; x- F# `4 \* c* v - CMP #$23- \* X( Y! @$ ?/ q9 x
- BCC Bullet_Tract_Direction_End
8 h! \7 p- _% e7 T8 E5 R - ' c- w+ |: Y2 J2 T/ }
- ; X != 0
& l" P0 h: A2 h' ^- W& g% E - LDA Bullet_X_Speed,X. u" I! R6 b* M
- BEQ Bullet_Direction_V
" _; v. z& P/ U- w, R% ^9 }1 ?; O - ' k- U/ [2 r! [3 h
- LDA Bullet_Y_Speed,X
6 Q9 K; ~) `5 m5 @. x - BEQ Bullet_Direction_H
% b8 C' s B$ w; M -
4 q8 p" q3 C; U T, o - LDA Bullet_X_Speed,X7 `: B/ O9 p8 w1 c0 r
- BPL Bullet_Tract_Direction_Right
; ], w1 a" J- T: u - Bullet_Tract_Direction_Left:# N0 ?5 \5 F$ @6 b! v+ F
- LDA Bullet_Y_Speed,X
& P7 q" \ l/ X6 X6 J$ P9 J - BMI Bullet_Direction_Left_Top) Y0 w9 j0 [ n7 ?
- BPL Bullet_Direction_Left_Down7 B7 _# t* S9 N& j2 ^( M
- Bullet_Tract_Direction_Right:
7 s u- Z( N8 B6 \ - LDA Bullet_Y_Speed,X+ ~& D: x. X, f2 A( [' y5 {
- BMI Bullet_Direction_Right_Top5 _6 P4 M! j3 W, \
- BPL Bullet_Direction_Right_Down
( d4 m4 l0 N3 h8 n7 y1 y - Bullet_Tract_Direction_End:: Z' ?' ?9 P2 }4 I0 S) f8 \+ t- w
- RTS
5 y- r! E& R+ Q; M# O4 h. R - . D/ ~7 }1 M4 Z h
- Bullet_Direction_Left_Top:
9 q% q! C+ m* z/ J1 v0 A2 A - LDA #$25
0 g$ A+ Y* O9 }' S% E2 j( f. H, V - STA Bullet_Icon,X
: O( i/ w: G2 | z' i; Q3 Y. n - LDA #$C0
0 X, p3 k) A9 _$ \' z - STA Bullet_Direction,X
5 l- f4 c- q' g r& J* n* b - RTS7 i9 c- P a2 y& C' {, _4 K
+ B5 c3 H- v. z7 Z3 W0 w- Bullet_Direction_Left_Down:
* |4 {! g9 j/ Q0 Z7 }* q - LDA #$25) s, P. o) M/ b9 d
- STA Bullet_Icon,X
+ t" J8 B& x( W9 {* O& j - LDA #$40" r2 E4 M; h3 J6 Y- f+ q6 i$ t
- STA Bullet_Direction,X
, V0 |$ Q: I9 _3 G& h$ O$ a - RTS% f# r% @' U3 C2 m: K8 \
- . T3 j" J: B7 S! D4 |6 d& N
- Bullet_Direction_Right_Top:2 X' D1 R" S, L& {6 E% e
- LDA #$25% ]+ u: i- M& n9 ~. v. A6 S+ E" ~
- STA Bullet_Icon,X$ |# K: b/ K- {. N/ h, V
- LDA #$802 d G6 }; {' l! E; c% z% o; _) E
- STA Bullet_Direction,X
) ^1 w G, \" X3 ` - RTS; `" {" K. ]: D- Y H
4 n/ E4 R( h9 q: q- _- Bullet_Direction_Right_Down:" z9 k1 ?! x8 L8 S
- LDA #$25; C/ P7 U( e3 F) p/ Q* l) U
- STA Bullet_Icon,X$ k" L; m9 A) P7 a# L
- LDA #$00) N3 n5 d; U7 q& F7 {
- STA Bullet_Direction,X
- q' U9 y' {+ N5 h3 Z- D: b" \ - RTS
b% y5 T* c( W' o
/ ]6 L9 M& C$ Z6 c( x- Bullet_Direction_H:$ u8 E5 _6 h2 l0 u. ]* @1 A2 {
- LDA #$24
$ k5 k9 K& j; ]/ g7 ?9 u. W - STA Bullet_Icon,X- b1 n0 e; h6 ]2 {; k% S
- LDA #$008 V# T, Y* [: a8 k5 @
- STA Bullet_Direction,X
' L8 W( A; j3 j. K2 T - RTS2 @; L! c5 Q8 O% X- O
- - q; N8 {0 q9 p: U4 ^
- Bullet_Direction_V:& h# ] l+ _% j/ O( J+ K( N! |
- LDA #$23
+ A/ _: e3 V l( _. k' A+ z' o - STA Bullet_Icon,X
& R5 I! o2 g4 e+ t; z - LDA #$00/ ~% l# A7 Y$ Z4 s, j( z
- STA Bullet_Direction,X
( G; ~9 S# G$ U. z' Z) I - RTS& M- n/ P" [" {% ^3 }
- 2 u$ c6 m9 R3 A; |1 _, M0 l$ X0 E
- Bullet_Speed_Data_Ex:$ H& G% Y& k6 {. i4 u
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04* W3 z! m( T4 r+ W3 o- l0 g. h! M
- % x( t- V9 e8 G5 l
- Bullet_Speed_Data_Ex_R:
! @8 D0 f2 T) \8 R1 [( [ - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
A2 E4 `" b8 { -
复制代码 % b6 F, e# ?1 ^# y1 w- e
1 }, Q' H+ _; r! Z2 c$ H$ E* u |
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