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[FC][魂斗罗][J][追踪弹]
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' @! {7 i1 @! R$ n3 D. s6 y. D! ?/ O时间:2023.04.30
1 U% I6 N+ I( F+ `" O6 t2 z) V+ C作者:FlameCyclone
. m( c+ b& I: V6 t内容:. e8 u( c3 Z# F
1. 所有子弹追踪敌人
/ X$ c) `5 G: S 2. 选择键切换武器- Z0 f: }$ m" }) U+ e. `
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% X H* }4 N9 ^* L: B K; s
: a8 `# ?' m6 C9 z ^3 Rflamecyclone.ys168.com6 ]! D) _ |: U, N+ x1 n

d/ o- F% s7 | v! h+ R; b& j" y- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
/ F ^& Z) ^" `, C. N5 G5 e - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
6 r8 T. M+ N9 M; v - 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)
" U+ i; ]9 `3 K
3 d! S6 L4 l) T: r2 @' E! b- ;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)' Q3 M. z* X5 C }2 v
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
0 i- B3 p# r- |' m/ e8 H7 A3 W' [; A
! A3 h7 ?1 P2 a9 _- Track_Enemy_Index = $6000
& @" Y, i- \0 ~, R - Enemy_Index_Begin = $6010
- {. D4 c* e: N! p D, h - Enemy_Index_End = $6011
( V2 v& }( u( [. R" t A/ J
8 |9 e! g: j8 @) Q- }0 c) w% w- `- Loop_Index_I = $6012
2 M1 k& [9 G& m. W - Loop_Index_J = $6013
# s3 p" [( ]7 @ - nEnemyIndex = $6014! c. W7 m' f# h2 H) m: p% j1 Q
- Data_buffer = $6015! T: m$ P3 K# n6 }
- ( w1 m% J) w2 X
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标/ _: ?+ R; X( u) q$ Q3 a$ m
- Bullet_X_Pos = $03C8 ;子弹水平坐标
, N4 t0 k. i6 S8 P1 H - Bullet_Y_Speed = $03F8 ;子弹垂直速度1 C3 f$ I4 \& {$ q9 w
- Bullet_X_Speed = $0408 ;子弹水平速度
# f( Y& l" s" F7 s - Bullet_Z_Pos = $0418 ;子弹Z坐标- Y- O1 R% J+ X/ F# r1 h+ D: i- Y( E
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
# s% Z) x8 k0 E - . ^& t' h9 @6 G) T. J+ X7 c* t3 M
- 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
. A r/ x+ E& N7 O - Enemy_Blood = $0598 ;敌人血量! l& U. N7 p r5 F0 m
- Enemy_Type_Addr = $0528 ;敌人类型
& G6 F! W; W# h2 p - Enemy_Blood_Addr = $0578 ;敌人血量
) c9 p+ m/ O V, F$ l - Enemy_Y_Pos = $0324 ;敌人垂直坐标! V% g; `5 f' _% O' ^3 S" ~
- Enemy_X_Pos = $033E ;敌人水平坐标
; K6 x/ Y9 u; Y - Enemy_Y_Speed = $04E8 ;敌人垂直速度
; c C5 h; \# E6 z- ] - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸' |0 Z; f1 E4 T
- ' @) E$ r9 G* p' I/ k
- Enemy_Index = $83 ;
0 K1 `+ w0 S1 c" a$ w2 K3 \+ l - Time_Count = $1A
, U+ T9 q. s6 I ~ S+ O5 E5 m - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
2 p. y# u' }$ F1 f$ r - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率) x9 W _/ f9 B$ m; j. N0 `, G& q! F
9 T% Z" c H4 b" A' `! |4 g6 g7 n$ E
! r! v, ?/ N( b Q6 }8 b; M- .ORG $6100& ~; c/ U' ]' m
- Process_Begin:0 n- w! P4 i j" b: z" W
- JSR Enemy_Check
" Y9 z( ?$ h: v+ T" C- Z - JSR Track_Enemy_Check
# I# S2 c; w& ~4 s" y5 z3 o - Process_End:& K3 c5 @. z ^& w* S! X: q7 L
- JMP $E54F
+ s! Z& J n% S, f7 o
1 b$ [9 `4 N9 U* X- d2 }- Enemy_Check:7 D7 s' H+ |1 e# W- @4 t; |
- LDA Time_Count
3 i. B. j' z/ l7 i+ w! i' g - AND #Track_Bullet_Speed4 D }/ o9 i, R4 R
- CMP #Track_Bullet_Speed2 [* I5 u2 G% C$ U. S$ w" K
- BNE Enemy_Check_End" m& }$ q) \2 U8 a4 z1 H; [4 ]5 m; J
- LDX #$0F2 N* K0 K |, M4 o: r
- Enemy_Check_Begin:4 C* d+ O/ r: ~. {
- LDA Enemy_State,X- h$ }6 G8 I! m( Y3 V2 n& ? @
- BEQ Enemy_Check_Continue
3 H6 s* Q! B. m2 X' b) [" \6 K6 b - STX Enemy_Index
# [$ }, {2 O1 [" V1 Y1 Z5 V# Y/ L0 m0 i - JSR Find_Begin_Enemy% _ o5 t: D' n& C
- JSR Find_End_Enemy
! e/ h: r, S C! h7 Q# Z6 S! u - JSR Bullet_Track
; d7 {7 z0 P/ W2 O T - 7 ^4 ^! W! } F- y# F
- LDX Enemy_Index; Q7 X) F3 ^4 E# d
- Enemy_Check_Continue:& i: ]5 c/ A& w5 |6 Q& N
- DEX5 u* M j% `7 k( R, Q
- BPL Enemy_Check_Begin, y; |: U9 {/ d% \; B) q$ ]
- Enemy_Check_End:/ J, M) b! A: U& W% Z9 q- D
- RTS5 H2 \0 y+ N* G0 f+ @
- 0 O# _9 |/ J' p. ?( k: \
- Track_Enemy_Check:
/ d) T3 l h' a, |! W - LDA Time_Count8 a7 A* q/ d( e/ [. ~
- AND #Track_Enemy_Speed
: ~5 `- r( d- H9 T! ` - CMP #Track_Enemy_Speed
0 P! @$ r2 f$ r9 L - BNE Track_Enemy_Check_End' I5 Z* ?' w8 v. \" m' F
- LDX #$0F
* N9 p( f Q9 c1 G - Track_Enemy_Check_Begin:. S: F$ l& b' b/ u3 s, g
- LDA Enemy_State,X
( Y9 b) T0 K0 x! t% ~7 m5 | - BEQ Track_Enemy_Check_Continue" r% M$ n. i# u# z3 s3 o8 q
- STX Enemy_Index1 h+ @4 B2 r S3 I+ b
-
( D; R4 z+ `# `) M1 U- { - LDA $40
; h; j* k! f# f) L% x& I5 r0 f2 Q - LSR
# g6 t3 X/ S1 B/ b9 O3 ? - BCC Track_Enemy_Check_Begin_L16 k$ ` ~3 @1 e% B9 x
- 8 S; k4 p! Y% }- }6 B! ~0 o/ |0 i
- JSR Track_Enemy_Ex ;2, 42 O6 O" @3 C4 H9 Z- h7 m: D
- LDA #$00- L7 C, z/ o. W% _7 s
- BEQ Track_Enemy_Check_Begin_L27 e$ ^% O2 e- R/ h
- & y9 A+ V4 S N/ ~0 _1 C
- Track_Enemy_Check_Begin_L1:
6 R& J6 C" i* E/ |6 D - ; \: ~" O- ?" Q0 r
- JSR Track_Enemy$ ?; O" i6 T( w$ x! r
+ x2 B- C# q ], n$ G1 A1 w) @- Track_Enemy_Check_Begin_L2:6 W( R: [6 G7 _# w# z
-
7 ^0 ], }, ], V* _8 w" S G - LDX Enemy_Index: r1 R+ u# s6 ?4 P7 b- L
- Track_Enemy_Check_Continue:* r$ p" S2 m \/ e: K3 [
- DEX
% Y1 w9 W2 G4 [; n9 s2 `4 t - BPL Track_Enemy_Check_Begin8 _" e. G, @* p( V0 `1 u" k
- Track_Enemy_Check_End:
: ~' X, o! y5 o1 N+ ~+ s - RTS5 l9 m, [2 S1 t9 r# e
- 8 [1 D- m3 p% j! c
- " ^0 [+ }( O9 Y
- ;查找第一个敌人
4 Z2 |* z' S& f3 x& Y - Find_Begin_Enemy:
m A! x- f$ } R4 x6 ~ - LDX #$00. _: |! s7 W* t
- Find_Begin_Enemy_Check:2 x7 L; r$ H/ a8 U% C5 ?
- LDA Enemy_State,X
) b, _; V4 {# ]" r# n - BEQ Find_Begin_Enemy_Check_Continue
S y! d# M0 z - LDA Enemy_Blood,X
9 {7 L" w1 J0 n% }3 ^& K - BMI Find_Begin_Enemy_Check_Continue
$ x4 _# ~0 s. ^8 ]: q2 @* } - BNE Find_Begin_Enemy_End
* X' Q" T$ g* [/ S, A3 K7 [ -
9 e# p8 N" |. R; t7 K( L: Q - Find_Begin_Enemy_Check_Continue:
3 q" t/ n$ {! a* | - INX
" U3 l9 ?+ K7 D: y - CPX #$10
0 p$ k* |1 R% V$ U- r - BCC Find_Begin_Enemy_Check
, N+ K4 D+ i# w3 D# X) x% i& ?( n - Find_Begin_Enemy_End:" X1 B/ Y3 ?9 c2 o" o
- STX Enemy_Index_Begin1 n+ F* q5 r- i! e% X
- RTS- [6 X( Q/ Y1 y9 i
- ) l$ u6 q! h3 @% k1 Z7 ~
- ;查找最后一个敌人+ S9 {2 E7 z' N- i0 |& f
- Find_End_Enemy:7 H/ u+ Y: c: |/ c6 t6 T0 A
- LDX #$0F
! A3 \ Z) j- [ - Find_End_Enemy_Check:
! V0 ^7 ?0 |# N! K f$ b - LDA Enemy_State,X% j: H7 E7 k& p8 h% q+ E
- BEQ Find_End_Enemy_Check_Continue
$ g4 g1 ?8 y" Y! j8 S - LDA Enemy_Blood,X
" I( J. E$ f r9 z J - BMI Find_End_Enemy_Check_Continue0 i: c5 o Z! E: H6 [
- BNE Find_End_Enemy_End% D8 K* S3 S* K( X
- 0 m* f# g) y0 R/ `. S, `. U/ N7 q
- Find_End_Enemy_Check_Continue:
0 h7 p1 f2 x9 E: _7 @ - DEX; ~1 \& J4 N; B, O1 Z
- BPL Find_End_Enemy_Check
* a, ~, E- C# x' \5 z0 ^7 s - Find_End_Enemy_End:
5 |% X% ^* ^1 @9 ]8 Z& n$ s5 \ - STX Enemy_Index_End
, f& S. U/ C9 v' a, h% _/ x# T - RTS3 f* f6 F& k6 O2 g6 B
- , ~# J/ Z: r" I6 \: b
- ;子弹追踪: n0 Q+ p2 E. B( g1 X. S
- Bullet_Track:: C2 L% P$ m w$ l: X
- LDA Enemy_Index_Begin
: r5 S1 b# T; C9 A9 E" ] - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
. j5 e \+ d" p! c - LDX #$00 * Q" ?: Y9 o) {& \
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)+ u9 W5 v! d3 i2 b! R3 e- q L
- LDA Bullet_State,X3 n: q3 B$ Q) W" P; J8 t
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
) o5 Y" S; P J# ?( Q8 \! c( Y7 \, Y - STX Loop_Index_I
/ {! }- [% [: G9 N( M* `' b4 J7 E" i -
6 j1 M( F5 c9 c& p& }' C - JSR Bullet_Track_Enemy
0 w6 N' w* G. {' P - JSR Bullet_Tract_Direction
0 n. @0 H. S# v9 \1 s% N -
0 k1 D C8 V. l3 \4 X- 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" U. B7 @ J3 @. }2 L
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;2 x, v, s* D/ l; ~
- LDA nEnemyIndex& {7 Q3 z: t" {7 `+ ~
- CMP Enemy_Index_End
5 F: \, V w0 f8 \ - BEQ Bullet_Track_Check_Continue0 I$ }- [% ?1 h) s/ H P6 W9 v. f1 I
- BCC Bullet_Track_Check_Continue) S2 }7 X! } N- ^
- LDA Enemy_Index_Begin
" v5 @/ K4 g0 ?, A9 X - STA nEnemyIndex5 N8 A) i4 B' s2 b% G
- 9 u5 K6 V, x6 s! \
- Bullet_Track_Check_Continue:
) D1 @. k9 M% [- i0 B1 o - LDX Loop_Index_I V" D+ v/ ? d, T t+ o
- Bullet_Track_Check_End:- i' ?; s6 D6 u' H% N$ I, Y. h0 G
- INX" S- @! g2 x* z6 g) o
- CPX #$10: ~ u3 y% y: x T# K
- BCC Bullet_Track_Check
; V) V' S# F& o! N; }" g6 [' h$ V - Bullet_Track_End:
/ O4 P3 G) d+ r- [9 j - RTS
/ i2 ?* l/ z) b7 }9 f9 k - 4 ]/ T3 A3 V% p( Y- r. x8 E9 `8 a
- ;给敌人分配子弹
2 i+ r6 e* A/ `+ F X$ j - Bullet_Track_Enemy:: U% I0 Q# t1 y/ e. c* O
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)1 f+ O7 B$ y0 f( t: f: n
- Bullet_Track_Enemy_Check:
6 O9 Q2 {' b; l; f8 I" V& p - STX Loop_Index_J
- y8 @5 y' G0 N9 d7 J - % V; z/ \7 z. l% M# q! n
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
& m: Z8 B/ b7 ~7 b1 T- z - LDA Enemy_State,X
7 m9 p" P7 j$ w6 L7 b - BEQ Bullet_Track_Enemy_Check_Continue
3 T2 ?- ]( r9 [1 P - LDA Enemy_Blood,X; d7 ^5 x7 n4 p+ M
- BMI Bullet_Track_Enemy_Check_Continue
* k8 i4 @& N k/ `( b -
N7 R" A( i5 v9 G. x - LDX Loop_Index_I4 {$ g/ f6 q$ x6 ?7 F
- LDA Track_Enemy_Index,X3 }7 b8 ? V$ B7 S' v
- CMP #$FF
( X6 _" B0 G+ X' M6 ]0 U& X - BEQ Bullet_Track_Enemy_Init
9 ~, p" P% w9 s& k- E -
, F# h* S. H9 o, O9 T - Bullet_Track_Enemy_Init:. _9 d% j$ x. b
- LDA Loop_Index_J
) ]; Y/ q3 ~9 ]2 {7 C - STA Track_Enemy_Index,X ;nTrack[i] = j;- e2 P4 \; S' f* H" U
-
8 t$ D% y1 C1 e - STA nEnemyIndex/ f2 _8 N- n7 T7 W* a r7 ]5 a) c
- INC nEnemyIndex ;nEnemyIndex = j + 1;
5 `& A2 S9 V* E, N: G) I - RTS ;break;
5 Z7 F0 E' w1 o" a; K. m: I: F
: d. a7 v6 {* `& R9 y/ @( S; h- Bullet_Track_Enemy_Check_Continue:
5 ^* Z3 z# R3 V( S7 P: j - LDX Loop_Index_J
4 _/ x4 y: C+ y8 X1 j' C$ | - INX ;j++* x; d0 P: s$ Z$ t
- CPX Enemy_Index_End# Y) T% ]: @# |+ g! k7 [' ?0 ^
- BEQ Bullet_Track_Enemy_Check1 W* \! x6 K. }3 U) u( z
- BCC Bullet_Track_Enemy_Check
3 f" u- u( T) Q& s4 H+ f - Bullet_Track_Enemy_End:6 {. Q) E0 b, R& \: o6 A( V
- RTS
/ L& Q# @' u9 E6 K) |# E3 u - . K5 @+ \6 k. U2 f
- Track_Enemy:
[/ `" j: [8 s, D* ^$ Z& W/ k - LDX #$0F; s9 w" F& i, o9 ?7 X
- Track_Enemy_Begin:1 [, h4 R& I1 K X( V! I/ S0 z$ D
- LDA Bullet_Icon,X
- i- z" r( D9 u3 D* ~& f5 k! K - BEQ Track_Enemy_Continue
( X7 d5 m0 i- H9 ^' g" _ - LDA Bullet_State,X
/ ^ R. f. @5 S ^ n/ u p+ ^ - CMP #$01- r6 a& u T: r3 i' L* ]
- BNE Track_Enemy_Continue2 Z# i p( E9 I( k; ?, u, L
- 6 p- y9 N( }4 i4 `# f2 D' m! {
- JSR Track_Enemy_Process; m( T* k% {! E+ L; _# S
- 7 y8 q( O( S8 r" _' q9 R
- Track_Enemy_Continue:- m1 r0 a+ E, n% Q" i. X
- DEX$ @) t% s, a6 W: I# p
- BPL Track_Enemy_Begin
5 k/ D+ ~) D; S( E! b& a - RTS3 \+ j( B4 l* d6 L1 f# K
; b& M' i' Y7 y( A' y- ;普通关卡5 ^7 ]0 i& I- k$ Z
- Track_Enemy_Process:
! ]8 c' x3 z. }# K/ U- ~+ e4 R - LDA Track_Enemy_Index,X
, U1 I \4 G* _: b - CMP Enemy_Index
, C9 Y3 q, I; X" g - BNE Track_Enemy_End
& P8 M$ P0 s1 R - LDY Enemy_Index O& S" C6 o: C" Y4 ^& D2 \
- JSR Track_Enemy_Y
]4 j) S9 Q, c% E2 g; U" L" r - LDY Enemy_Index
5 g' t8 J2 H, F ]4 h. O3 z - JSR Track_Enemy_X. c. ]2 }8 h+ x8 L$ X. c
- Track_Enemy_End:
& D0 h) T, ]; Y8 T; s - RTS' N- b4 f$ v; M! s
- 0 L6 F( B6 }$ @) B
- Track_Enemy_Y:( m- |, s7 o8 u% S8 A# E
- SEC
9 a: Z3 R' W4 ^/ ~ - LDA Bullet_Y_Pos,X5 P7 l7 a) I/ d- n( p3 Q
- SBC Enemy_Y_Pos,Y3 Y+ k% P4 ~; Z
- BEQ Track_Enemy_Y_Equal6 T% B; }1 W: g
- BCS Track_Enemy_Y_Greater
) q# b8 G1 Z' f; X. l* |$ _ - $ x" w" }# q# H4 a( t
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y' \. l" E! }/ N# l
- CMP #$FC
& m* P+ M# r5 A5 }' b - BCC L1_1
8 a9 f# B# I, N/ F/ M* \ - CMP #$FE
6 P: V2 o- [2 L2 T0 R) N7 i+ M - BCC L1_20 `0 u0 ?9 H) ^- z
- LDA #$004 e$ |+ T- o3 Y
- STA Bullet_Y_Speed,X8 i9 N5 Q# Q. a2 _7 F+ a5 ]
- RTS
+ ~. ]% F S. {5 J! x - L1_1: ' b4 k1 {* D2 s( h
- LDA Bullet_Type,X8 o( Z+ R0 u. [* l# h+ U, x
- AND #$0F
, i" b# [+ ~ e1 i( j, r - TAY
# v' |3 c; o* r9 v' Y1 T5 s - LDA Bullet_Speed_Data,Y
* N! `; y5 Q; x3 R' ]' V" x - STA Bullet_Y_Speed,X
3 h0 X) b. b/ r2 ~ - RTS
- Z5 Q' M6 U) }/ g( n$ D2 C' Q
+ G1 [& x! o8 K, ^5 O& i7 m- L1_2:
1 U, }7 N: f6 [. ] - STA Data_buffer4 g4 V' }, q+ I, G) d4 U
- LDA #$008 {9 g3 m5 y1 f/ p
- STA Data_buffer' k6 A3 m% k7 F. \ }% j1 E0 J
- LSR5 R2 L1 C M" u2 `4 d
- STA Bullet_Y_Speed,X
) K& E. Z( O! ~6 A4 J7 M# t - RTS+ I2 L, y }" H9 y1 q
" |* w$ t; n2 v! m. h. u- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
# E: w2 A: H& U0 H& t0 h1 y+ g - CMP #$04
4 I) ?. t9 d0 h& i* q/ @3 ^ - BCS L2_1# d+ N% |( C- G+ d( F% B& _
- CMP #$04
8 L9 ?" p2 [* V' b" W8 ^* a - BCS L2_2
# Y: [6 v O9 d: S: o3 S' y A$ D. _ - LDA #$00
. g% g3 D- l% u - STA Bullet_Y_Speed,X
6 Q2 v9 { K: A - RTS
; S2 j; L3 t1 |+ g5 L - : C$ h0 l$ U6 e6 W6 _4 Y
- L2_1:' _2 f# t" r' q( \- H
- LDA Bullet_Type,X
6 [* h! l+ G0 k - AND #$0F* o! k8 [& Y: G T- r# V
- TAY
, c- B L \7 y - LDA #$007 j9 o6 m$ e" D0 U! ~) C; c
- SBC Bullet_Speed_Data,Y
# j: S1 V/ p# z: V& I - STA Bullet_Y_Speed,X
2 u4 F( D% A* o6 X% y3 t4 T/ u# Y - RTS. [; u+ h+ k# G) \
-
) I5 [) U/ [% w1 I9 s - L2_2:
h/ o+ ^* X7 G, f, x - LSR. [9 c9 W& M. L+ f
- STA Data_buffer. U6 f$ R( ^; N1 m9 O
- LDA #$00
! L2 \# r% S3 o! h% i - SBC Data_buffer
. M2 ^' h- S( B& g - STA Bullet_Y_Speed,X
- h( _7 j5 U- a& ^6 v+ u7 m - RTS
4 C6 D6 U- L: t* i$ @+ j/ m -
7 e6 l# a# R" {) `) @ - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y' E9 U. K- X3 e
- LDA #$00' |* {) a3 _- D# q3 h1 b; ?* d
- STA Bullet_Y_Speed,X
& z- S {* E$ @1 [ - RTS& ~! `% v }# E- }( J# {! @
- 9 Q6 h3 Y* N/ z4 u) l9 Z( ?" `
- Track_Enemy_X:. N" b- r" {0 `
- SEC
' {1 b g& K& e1 Y- T7 u - LDA Bullet_X_Pos,X p: A9 K: S' p2 y
- SBC Enemy_X_Pos,Y
. W# q1 S% w4 U - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
0 m8 |: C# H! y% f% ^( k - BCS Track_Enemy_X_Greater ;子弹在敌人下方
; l: z2 P8 D, ?5 i0 C' g j - , z4 N! B1 X) m3 Y/ c
- Track_Enemy_X_Less: ;子弹X < 敌人X; C" E. r; a. T4 g- N* ?; n
- CMP #$FC! b" S) o+ o* {' G) A( \8 I
- BCC L3_18 R' W7 f1 O/ g& [
- CMP #$FE- \# C7 B+ Z/ H7 ?3 r4 D$ d
- BCC L3_25 H# X4 Q( P4 |7 \
- LDA #$00) S0 p# Q, G r) `- ?) C
- STA Bullet_X_Speed,X2 J* R, ], ~$ q
- RTS
) H& ]. K2 _% a - L3_1: , r/ w( M8 ?: H; @' m# ^
- LDA Bullet_Type,X
4 Z Z9 ~. _* E; J - AND #$0F5 l! ?# F- h9 \6 f2 V h/ p4 I* E; W
- TAY. i( w% g, y/ ~6 G, Q( w1 W+ f. N
- LDA Bullet_Speed_Data,Y! K$ Y! @, A- C0 O" t5 ]' @5 u
- STA Bullet_X_Speed,X3 i/ E) z7 H1 z: q9 p% j o% j3 W
- RTS
) D( b) G: b! a7 \# J6 H: ^ - L3_2: 0 W1 S% |; x) k; J4 B
- STA Data_buffer
% b4 P: v, X" k - LDA #$00
" ?7 Y- j: M8 D$ Z - STA Data_buffer2 |% J# K# R: D
- LSR
" z, I- }( V6 b2 X: y - STA Bullet_X_Speed,X
- m7 t; N- P2 C0 } - RTS- O* }% l- ~+ v! Q* c; s' i
- 1 f5 I# n1 P% b* ?4 c" Y$ `
- Track_Enemy_X_Greater: ;子弹X > 敌人X
+ H# B+ F3 Z8 g - CMP #$04& x4 T! Y$ B3 w' l9 o2 ?4 N; G* D+ l
- BCS L4_1
2 e; w5 @# E3 T4 N* I! e w8 G( N/ ] - CMP #$02
1 i. c( h# `( v - BCS L4_2
1 [" ]- r9 a: W- [" E: }( X - LDA #$00
3 p9 T- ]0 L) d' g7 ?! t - STA Bullet_X_Speed,X
- v7 y6 M3 N9 x6 J - RTS
& ~; U1 w4 K6 }9 I- i - ( d: s+ v1 B3 w' }# F
- L4_1: ( Y z% s5 \7 h3 w8 @ C
- LDA Bullet_Type,X# c Y, e) @( ?2 e1 }
- AND #$0F$ T. h+ A) B6 S) m
- TAY
, H5 N& {! [ I: F; ?6 } - LDA #$005 Y" b) J# m+ {4 i/ x" ?
- SBC Bullet_Speed_Data,Y* l3 T* W. o6 t) X: V- O
- STA Bullet_X_Speed,X
5 [: O% g" i8 b: D - RTS9 c ?6 L% T2 q3 O8 }: Y
- L4_2:
* n+ ^4 P, y- {# P - LSR P' j8 z, q1 W% d0 d
- STA Data_buffer: Z2 `7 `& R1 [
- LDA #$00
' O+ Z* e8 q- c& s/ ] - SBC Data_buffer
5 _4 l0 i' t. S1 k3 b4 E - STA Bullet_X_Speed,X
* P/ w( M( b* R% I. | - RTS
! J) _7 [8 @( L -
, u! L! t6 j6 L. L6 A0 u* S" o# q: N! \ - Track_Enemy_X_Equal: ;子弹X == 敌人X
. d+ Y1 \1 O, I j; W - LDA #$00/ I& ~5 R- q- w5 H; k& W3 e7 K" V
- STA Bullet_X_Speed,X! o5 H6 h, N$ \( V; l3 [& D
- RTS' a/ Y' ` e/ @5 a3 K; t
-
6 U: j" s% d F. @: u8 r1 J7 V - Bullet_Speed_Data:5 |* S5 D* {2 o9 d8 C+ ?
- .DB $00,$03,$03,$02,$03,$03
3 n% n; h& Z6 G4 c -
x5 G$ K3 n Y" I. m! _ - ;2, 4关0 `9 g0 W7 e9 l! _# ~) {8 a. P8 B
- Track_Enemy_Ex:
# B: h% A. o5 Y9 H - LDX #$0F6 J# F" w6 l! Y1 c+ g% [* \
- Track_Enemy_Ex_Begin:$ @" ^* b% e1 H3 C
- , O, B" \% m* ]2 \# K0 q) X! D
- LDA Bullet_State,X
) j' l( B; z9 q( \% P: b6 E - CMP #$01! f% I+ S, ^ r1 `$ ^9 k
- BNE Track_Enemy_Ex_Continue
, a. ?, x9 Q# n8 H& M2 @ - , ^! B7 h7 Q5 g; D$ d* U
- LDA Track_Enemy_Index,X, X! a2 d' _7 a0 S B) M2 `2 U
- CMP Enemy_Index; @- Z4 j! H; H4 v' y1 C' r5 v
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标0 {" c: e5 Y$ [/ p) I
- 5 \9 h+ M( G/ N" {9 R6 b
- LDY Enemy_Index/ G: O0 O9 n# a$ l& B
- JSR Track_Enemy_Ex_X
: @. ~& n4 D* q' R5 @: r6 V" K3 [5 S4 J -
! l j, l+ [- T3 { - Track_Enemy_Ex_Continue:
* b- f- ~+ L' y; C# i8 } - DEX
# h- s1 Z% ^' l' i2 i - BPL Track_Enemy_Ex_Begin
' B. M( o6 h& F6 ?6 A2 J - Track_Enemy_Ex_End:( Q4 I, U5 l/ {, s+ \
- RTS
( K; `1 i e' r3 F -
, Z! V8 H$ R- Y - Track_Enemy_Ex_X:
# e! U% i$ w" u7 m: I - ;LDA Bullet_Z_Pos,X6 e$ p$ W$ s# ~4 D/ ^
- ;CMP #$04
( o: i8 T0 c1 p' t - ;BCC Track_Enemy_Ex_X_End, B5 V; N, x6 i, \) Z% e
- SEC
1 w6 |! a3 W7 k5 _; Y7 W - LDA Bullet_X_Pos,X
4 o C# y6 y/ M8 @ - SBC Enemy_X_Pos,Y
' I: L2 N$ y' c! M! t - BCS Track_Enemy_Ex_X_Greater: D9 ~ T. Q! y& ?4 G
- 1 g8 W# h/ x3 w& a& M U) q$ B
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
' C/ v: N4 V9 o4 x" p: V - CMP #$FD% i. Y; x3 C+ R/ t1 v/ G" w
- BCS Track_Enemy_Ex_X_Less_End
6 E* H/ C- M8 }9 q3 x/ g; \ - LDA $6020,X
0 N$ E; w" F- O; |; \ - CMP #$2A+ j. \+ ? n9 P0 `
- BEQ Track_Enemy_Ex_X_Less_L1$ l# H; D. N' i+ z' }* W% C' O
- LDA Bullet_Z_Pos,X
5 E8 n3 Z9 k: ]" D - LSR
1 |. V- l g$ D. I0 x$ o2 o - TAY# C5 Q& \+ G, |, `% R
- LDA Bullet_Speed_Data_Ex_R,Y( T% l2 b4 [% c& _
- STA Bullet_X_Speed,X5 c3 Q S: c8 I( H
- RTS( B/ Q6 l$ a+ n& w
- Track_Enemy_Ex_X_Less_L1:
. }: i: T) K& i0 ]) n6 H - ( S p# o' |% { W
- LDA Bullet_Z_Pos,X9 ?* E' {: B% q/ I" E' b3 p0 ~
- LSR" O, l9 T. }; R) j
- LSR
9 ^/ a+ U2 ?4 N. R - TAY
6 E$ y0 G. p3 X" Z' h. i - LDA Bullet_Speed_Data_Ex,Y
7 x% z4 W5 O: Q6 K+ u: e - STA Bullet_X_Speed,X; R; B* D% E/ p6 Y3 L: a
- RTS
& z9 ^, l3 l' n. R - , z% ^( p7 L6 k* }* N4 g8 v! b# i
- Track_Enemy_Ex_X_Less_End:: e5 w! h$ ?2 A3 E8 _% j
- RTS
! z" O6 J9 t7 \7 d( n1 N. ], j, d
# J8 A5 E' R3 w. M- O( G- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X6 e) ^1 S" w9 K' ^
- CMP #$03
) y# \8 H4 u) g; l+ r3 j: M1 q- I - BCC Track_Enemy_Ex_X_End, }- Y# q( ^0 v: h7 n6 h
- LDA $6020,X
2 }, q5 C0 @! n) e/ I! G5 F9 f+ M - CMP #$2A. _; i! n" y5 X) x; h+ [/ A
- BEQ Track_Enemy_Ex_X_Greater_L1! c( G" T% w* c& N+ l
- LDA Bullet_Z_Pos,X
% k+ n9 S) m# x# K6 R - LSR& n7 Q K1 ~* o# s- ~3 `* z
- TAY
3 W. V: i& f: x, O5 q# e; a - LDA #$00
" J# W- w0 |0 D& O" `& m/ C1 ? - SEC7 n4 ^6 g3 v) `2 V+ w
- SBC Bullet_Speed_Data_Ex_R,Y
: y: \1 d2 I4 W" w f/ Z1 | T - STA Bullet_X_Speed,X
; F' g& X; p# ~! ^ - RTS5 P3 G7 m$ _& j& Q; X, |
-
$ N& E5 S% i g I( x - Track_Enemy_Ex_X_Greater_L1
) r& {) G5 S, D - LDA Bullet_Z_Pos,X) V5 ^; H7 p+ G1 [7 x
- LSR
* L5 C( v4 L% J# M* o4 g: D - LSR! N$ H! R, x3 ~! U) b2 p5 I# b
- TAY
/ W# E8 C6 V, c! c$ {3 \ - LDA #$00
- l+ r* `! e, I! w$ M - SEC/ h: N( @1 C2 _0 K
- SBC Bullet_Speed_Data_Ex,Y
" [' V* T, k1 f9 J0 g - STA Bullet_X_Speed,X% s5 Y0 }! M6 v7 f: @* u2 [
- RTS
( p' b: ?1 |- P# A2 l# _% T% C -
# Q H S! Q' ^, V0 W' C - Track_Enemy_Ex_X_End:; c9 b% M) X8 q
- RTS
u s0 g; @6 Z -
; ]& y% G+ q1 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)
$ X, f6 S" D( @, n4 R5 z O - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
" U0 E' G) m$ @4 @% ], y - Bullet_Tract_Direction:
) i7 l4 c% J0 ` - LDA Bullet_Icon,X
+ U9 m' z: S. A1 L+ l9 B( M, d - CMP #$23
% M" v. o9 F6 V8 {" g - BCC Bullet_Tract_Direction_End6 p/ |- ^( O" y2 U" E" T
-
+ o4 F; q+ |4 o6 e4 P% B/ [ - ; X != 0, z; G( X3 X5 I+ W. j
- LDA Bullet_X_Speed,X
. c2 A% q+ u9 Z: s' k6 c* O - BEQ Bullet_Direction_V {& h- A- K& Z0 t
-
/ j! W; W5 [$ E - LDA Bullet_Y_Speed,X
0 @- \/ M5 K' L2 i6 e- @4 e - BEQ Bullet_Direction_H9 ^/ H2 }8 D! Y4 j2 K i" o
- % |. R' b9 l) z; g/ o2 G
- LDA Bullet_X_Speed,X
X; Z1 w5 Q. I - BPL Bullet_Tract_Direction_Right
' D) a, |6 M! C9 M5 X4 w - Bullet_Tract_Direction_Left:
0 N0 q+ C$ ^4 q& M! u7 j" g; [; |; M - LDA Bullet_Y_Speed,X
) p) q' d- K5 i4 W5 h - BMI Bullet_Direction_Left_Top
# e5 Z! I/ V5 {( }. e - BPL Bullet_Direction_Left_Down
4 W; r2 D: i- G/ B - Bullet_Tract_Direction_Right:6 E0 F* E) V' p- a/ ?5 |! c
- LDA Bullet_Y_Speed,X% p' ~8 @7 D: P0 g0 G6 j( S
- BMI Bullet_Direction_Right_Top
" W. H' _5 P1 l0 z/ E - BPL Bullet_Direction_Right_Down# N, s$ W! F; |: A. o b& _
- Bullet_Tract_Direction_End:8 K5 ~1 x* U+ c7 i1 Z6 m
- RTS. v# r- U* K6 b2 m2 r8 K' h8 }
6 [4 l. z/ ~# u- Bullet_Direction_Left_Top:
) J f- [5 o/ R0 }1 O- K. u - LDA #$25
8 h1 Y3 }3 C* ?0 K `% R( k - STA Bullet_Icon,X
1 y7 L* Z1 _# u2 T0 h; x - LDA #$C0
( H o6 X- W9 [' u# w$ a7 v$ v& V - STA Bullet_Direction,X
1 ~' q) u1 ^9 ] W M - RTS! `* E/ V3 R; y$ b7 E3 y* A
- 4 g# c+ K- @6 O/ Q: x
- Bullet_Direction_Left_Down:1 t& B# e. W' E. N1 V- k q
- LDA #$25# Q5 D: U H: F6 C! R. [
- STA Bullet_Icon,X7 ~; V! o( p! h
- LDA #$407 S. p7 y* s. d: v6 L
- STA Bullet_Direction,X
6 m5 |1 C: s- N' @1 j1 P - RTS. ~! ~4 H- `0 D' H/ v5 x6 b+ S
d2 J3 V/ Y& d- Bullet_Direction_Right_Top:9 a5 D S- T* u& O) M, G
- LDA #$25
" i- g* k" g9 S T! _ - STA Bullet_Icon,X3 c c2 }2 Q5 w0 S: Z5 D9 M) D3 ]: K
- LDA #$80
. a2 p' U4 ^/ e) a. A8 | - STA Bullet_Direction,X2 {) a/ b- R4 Z8 s, T4 W
- RTS
" o" O0 E) O, C2 Y5 X
6 m4 }( f6 [- M1 V- Bullet_Direction_Right_Down:
( A; o6 b2 A5 A9 A3 n8 ^ - LDA #$257 F+ A5 @4 v' |" o1 U" R5 V
- STA Bullet_Icon,X
; L& D" P- [1 X. x4 U' T# E - LDA #$003 k' N% Y' z4 e; {0 I' m1 @
- STA Bullet_Direction,X
- a$ e; ^" G, \& m$ R: p5 @9 Y - RTS& X2 D2 I. \# K- F* [# n; {
$ z( W- s/ W: j- Bullet_Direction_H:
" |9 X4 h0 Q0 A; G; [3 O - LDA #$24' A+ ~" [" s4 f; E2 G
- STA Bullet_Icon,X
9 v8 U. g/ e8 z: m9 j/ R2 Q - LDA #$00. V' r0 c8 p$ S: s5 N: d
- STA Bullet_Direction,X
' Z* w5 b b+ q - RTS0 A. Q: W) j3 @5 f' ^6 H
# N' V) Z" U5 _- Bullet_Direction_V:/ Z, a8 x$ H, u3 j
- LDA #$236 s W4 h/ S4 `9 ^/ a4 T
- STA Bullet_Icon,X" ?! T! t- U& k- `
- LDA #$00
$ U9 y) p- u9 I7 I3 o7 v - STA Bullet_Direction,X: U' _2 t* }* ?# E+ Z
- RTS
5 z7 ^% [6 U, k8 l, ~4 d - / x t1 E* y; ^% T+ I, _% V1 S
- Bullet_Speed_Data_Ex:
& W9 h3 t% t- G - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
( G8 D+ \/ x1 x ] - 3 ^6 E+ [8 |& e6 ^( h8 M$ q' w
- Bullet_Speed_Data_Ex_R:. L9 I2 c* w: I# `1 c& V
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08" c5 v9 R' `3 M+ ~ x. c3 I
-
复制代码 8 _# a I+ Y p& [2 |/ u6 w7 P
U- a1 j( L- Y) T+ G6 d |
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