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[FC][魂斗罗][J][追踪弹]
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& t" [9 l) B1 h4 M+ B时间:2023.04.30
% f* E+ f/ _8 B! T$ @! Z作者:FlameCyclone$ I; i+ p* }' v7 z
内容:5 y2 c5 T. i# S/ \* B
1. 所有子弹追踪敌人
- w$ l, \* _2 d( s" T 2. 选择键切换武器: V) w4 T7 a) y9 u8 t$ b7 B
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
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; B8 k: w2 X% Qflamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁! @9 _/ I; P" d" B6 b5 z5 O
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L0 f! R2 f& M2 o
- 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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- ;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)* a0 K. Q2 i9 d8 W
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上: o# P8 L, J; N
- 0 Z$ h- j+ q( v" H- L! |
- Track_Enemy_Index = $6000( W6 Q9 V# _. ]
- Enemy_Index_Begin = $6010
3 a$ V7 V6 B) [* c/ a, ^ - Enemy_Index_End = $6011
0 ?6 q- ^8 m, Z3 f- g6 u0 [ - 7 |+ r, h. D& X) y7 R: P. {
- Loop_Index_I = $6012, ?: b- ~8 V* W0 {3 R
- Loop_Index_J = $6013
# E9 N) H# H9 l+ \ - nEnemyIndex = $6014/ s K7 U* B4 f+ b0 ^
- Data_buffer = $6015
2 r! x/ w( I" d' u: S, V
6 ~+ w+ E2 Q% {# x# j- Bullet_Y_Pos = $03B8 ;子弹垂直坐标+ C' [) r8 q. h, u
- Bullet_X_Pos = $03C8 ;子弹水平坐标
. _5 Q9 L0 n5 G7 x) i0 }; T% ^ - Bullet_Y_Speed = $03F8 ;子弹垂直速度8 }& R' h4 c- T: e( I M) X4 q; x+ X
- Bullet_X_Speed = $0408 ;子弹水平速度
2 s _, n: g5 Y \/ p' F - Bullet_Z_Pos = $0418 ;子弹Z坐标$ r# f) j& C; V4 H7 a$ T
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
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- 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
/ T- M* A4 {( D, S - Enemy_Blood = $0598 ;敌人血量
( C& s+ _) @$ F% ]" @) n' x: \ z - Enemy_Type_Addr = $0528 ;敌人类型+ u8 w: T% |$ t, M
- Enemy_Blood_Addr = $0578 ;敌人血量
; j3 N' r# A9 k5 f: s - Enemy_Y_Pos = $0324 ;敌人垂直坐标
+ y9 v; X4 F! O( ^- a - Enemy_X_Pos = $033E ;敌人水平坐标/ n% X' N" y3 ~2 I, ?9 ^; M0 w
- Enemy_Y_Speed = $04E8 ;敌人垂直速度% Q% n( w/ B7 k" N 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
P; H7 ` r1 a- z8 q
\1 Z/ k: q! a# B+ w- Enemy_Index = $83 ;
! o" T, I( d5 ?0 v& B - Time_Count = $1A$ |, ^8 q2 `) c+ E, n
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
6 X) g$ _; y l) G/ m - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率3 `- S* f/ [# ~) r% k
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- .ORG $6100
, F4 x( ]0 C" _9 _* z3 ^" I/ M* c2 { - Process_Begin:* z# S, D3 L6 ~5 A3 I7 U
- JSR Enemy_Check
* `5 f, O; O# g- c: s. L% W - JSR Track_Enemy_Check, i# O( u9 H+ p& U8 k; a6 O2 k& ?
- Process_End: m# B! @* H) |5 }! _
- JMP $E54F
8 j+ t0 N8 w* v - ) H* g: P* ^' m0 g# c
- Enemy_Check:- @: T5 w5 e1 o- t8 D& P
- LDA Time_Count
$ k( t8 z% O8 }9 Q - AND #Track_Bullet_Speed8 Q' j- v% Y- V D- L
- CMP #Track_Bullet_Speed
' Q8 E& t8 @; i8 |( A - BNE Enemy_Check_End
) P" `' g8 H( e. s9 ^+ i - LDX #$0F1 h2 @6 b3 C. E7 X
- Enemy_Check_Begin:# ~! d. r& u9 B) ~8 D- B
- LDA Enemy_State,X
& j4 g0 c% j/ u - BEQ Enemy_Check_Continue
( [, T* L* ]! B+ d3 X6 V$ S - STX Enemy_Index
+ g2 b4 e3 M& \( k- g$ v' a - JSR Find_Begin_Enemy' V5 }% l, ?; u9 Z/ g7 o
- JSR Find_End_Enemy
) [: f i% l/ p, M' r$ a, @ - JSR Bullet_Track& z6 V% |" O* {* m7 y
-
" U( f+ B" J( ]& L# p5 K8 C - LDX Enemy_Index
) V$ Y* i8 ^* C+ ~6 h9 X - Enemy_Check_Continue:
5 f( N) X) P. |1 H4 k% F - DEX
4 |- h$ ~6 q, Z/ [' n0 p - BPL Enemy_Check_Begin9 Q4 e: {+ r% C9 ?" H6 M: w* ?
- Enemy_Check_End:3 y# Q$ n' A, e0 q: F6 p9 J5 |* D: t: M
- RTS
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: u) ~2 N% k& X9 _9 T - Track_Enemy_Check:
, x- F2 X- ]% J5 c' ?, P - LDA Time_Count- L7 Q4 F& J3 I% f* g
- AND #Track_Enemy_Speed1 D, h# c* _8 E5 s
- CMP #Track_Enemy_Speed# j3 q* m O$ Z# x! `+ B
- BNE Track_Enemy_Check_End) R; u0 V. n% c0 _3 T E
- LDX #$0F
" `! [4 D1 G, V2 E1 U4 F - Track_Enemy_Check_Begin:
! P! J/ r! N; v! o - LDA Enemy_State,X c/ U+ W+ v$ d4 V
- BEQ Track_Enemy_Check_Continue/ G* y8 A, w4 K& v$ D
- STX Enemy_Index
" h& l# m$ C% s* \ - 8 ]. `; X% B- e. \0 g2 ^. Q7 ^
- LDA $40
- ~7 j8 D$ b/ _1 x& b) L - LSR
b- ^1 }, B8 p1 c8 x - BCC Track_Enemy_Check_Begin_L1
* C- Q0 k7 U* U c8 [1 m - + \+ V" k' r8 q
- JSR Track_Enemy_Ex ;2, 4
* N4 v- T4 i9 m' w: X7 e$ l - LDA #$00: [: j' P8 w" R+ G# @, a4 M8 c9 F3 w
- BEQ Track_Enemy_Check_Begin_L2
- s! u8 T3 Q. Q! ^( d -
( v5 P% l# x9 D/ y) ^ - Track_Enemy_Check_Begin_L1:/ ^. _ ]* S) |- D6 Q
-
& f0 ~2 H0 _" [5 o - JSR Track_Enemy. V; D x j( y/ w/ _% d
- 0 \ ~) i3 O, \+ \
- Track_Enemy_Check_Begin_L2:
4 }6 B" O5 F9 n* A7 v. }1 ?: c. | - / z, |* ]1 y3 Q) G$ |0 E1 v: ^& c
- LDX Enemy_Index" N7 w. i0 |- H& H) n
- Track_Enemy_Check_Continue:; L9 a, V1 T( J/ ]* i% z/ ^$ V
- DEX ]1 K# d( {+ y7 a. P
- BPL Track_Enemy_Check_Begin# _9 e% E p S0 {0 U2 r
- Track_Enemy_Check_End:! N7 K+ f4 t* r' J1 u
- RTS6 a* p2 u6 ?) h' M
$ F) @: R' q0 v8 d4 l
s/ N9 \ r+ _- ;查找第一个敌人7 O$ c$ {1 t( |+ [
- Find_Begin_Enemy:
* F1 x- M$ ?# f2 A, E/ k, L* u, n - LDX #$00- _8 i! n% {+ Q
- Find_Begin_Enemy_Check:) E& f: V; ?* B1 _4 ~* t
- LDA Enemy_State,X
2 D+ A* x/ W" m3 R# l! c - BEQ Find_Begin_Enemy_Check_Continue
' v6 u/ x7 o3 a5 [/ l$ g! z- g - LDA Enemy_Blood,X8 ?9 T5 ?8 U, z9 D% `- j
- BMI Find_Begin_Enemy_Check_Continue! e1 c" w( J" c
- BNE Find_Begin_Enemy_End2 W; H" o' ?8 l4 S, @4 P
- 1 N: o3 O/ w) O
- Find_Begin_Enemy_Check_Continue:
3 |! o+ ^# H4 K - INX0 l m( u( H" ]$ G2 M
- CPX #$10
4 G6 E8 v0 J4 a4 t2 w; m7 f2 d - BCC Find_Begin_Enemy_Check/ [# O. a q2 A. X9 b, V3 S
- Find_Begin_Enemy_End:# B1 P y2 ]6 k8 m5 g& `+ O' H
- STX Enemy_Index_Begin. Q% r) _% c# b# S! X, |5 P
- RTS
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+ c. A; j/ u* h! J. R- Z$ R- ;查找最后一个敌人
! X1 M- e7 E5 ?5 e$ t4 Y4 ^ - Find_End_Enemy:
; }& u7 B: @, \) y; g! V- Y+ T - LDX #$0F) O4 O: N3 t/ q$ z! V
- Find_End_Enemy_Check:
: w$ j- `4 f- |' P4 x% U) r# M - LDA Enemy_State,X
# E: q& y% V! L, r5 y - BEQ Find_End_Enemy_Check_Continue
3 a$ u+ }8 u" ] - LDA Enemy_Blood,X8 E0 c* O( M) B% r2 p0 t
- BMI Find_End_Enemy_Check_Continue; f* d3 y* \. T7 ?8 U5 k* i) z7 s+ x
- BNE Find_End_Enemy_End
& q( r" Q; e8 b3 w - 5 Y# B! D, E& |8 x) h. ~) y
- Find_End_Enemy_Check_Continue:
7 q3 ^' B' D) Q- @4 e - DEX
+ E( d# S6 Y6 U - BPL Find_End_Enemy_Check2 `% D, z ~7 y4 ^5 x% u- V+ \- r* f5 a
- Find_End_Enemy_End:! M9 d* R6 A- S2 k- T4 e
- STX Enemy_Index_End4 n; l' x4 W2 ^% n/ P a& \9 \
- RTS1 d! L+ i A+ y& ^5 L! S3 F# }
- ; K2 H! L$ V& p* ~
- ;子弹追踪. {( R9 I" G, A( ]1 B
- Bullet_Track:! \; j6 F4 M8 x! ] R
- LDA Enemy_Index_Begin
5 j1 F- a1 n9 X9 J4 Q7 A - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;# U9 B: u7 @5 A0 T3 V9 E' z
- LDX #$00 + V1 X6 \3 s6 M$ ~
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)' @8 m0 ?6 m- o7 V
- LDA Bullet_State,X
: I" s' U% _- q+ ]! X - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
* R* o9 n: n1 t) l0 r - STX Loop_Index_I
: \: x4 l5 j' m8 y9 ` - - c$ G+ K3 B6 u9 G
- JSR Bullet_Track_Enemy9 d( b5 H {4 ^$ i
- JSR Bullet_Tract_Direction
3 T- Y* G3 G' B4 [: t6 E, ? - ; L/ v( D. n/ \' ~
- ;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 P$ ~" c9 ?9 Y
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
' s! {% I5 [. U x8 l( |( R - LDA nEnemyIndex. z6 y9 y! y+ ~3 J7 ]
- CMP Enemy_Index_End& }7 v4 w2 ]* ?( b4 A% c
- BEQ Bullet_Track_Check_Continue
4 s3 X, Y: d2 r; i2 i5 Z0 i* w - BCC Bullet_Track_Check_Continue$ P: T! Z. v- I9 ?& l: `9 j" i4 Y
- LDA Enemy_Index_Begin
) o$ d8 x: \; M# H9 d. G$ U9 \* F+ B - STA nEnemyIndex- {: ], L. j2 {& M
-
; Y, Y. b$ a% x6 V - Bullet_Track_Check_Continue: J: e; z- ~* u$ R
- LDX Loop_Index_I% L8 P9 `' }/ q9 Z0 U
- Bullet_Track_Check_End:
! {2 Q, U; N8 q+ L - INX
' [; b( [) d3 P) u* m# `! A1 \ - CPX #$10! l! @( w& v: W; a: |( X- w
- BCC Bullet_Track_Check
2 I! X, }4 s) D7 q! D8 t3 ? - Bullet_Track_End:& }' [! _& S8 k+ G6 C
- RTS. b" D8 W5 ^% `6 _ x
-
0 u" L& e6 B- s. F% F" Q4 Z - ;给敌人分配子弹9 P4 ^ m; n) Y0 Q- ^4 I
- Bullet_Track_Enemy:% Y% P# p8 @7 E4 O
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
3 N( A3 q; i' V9 c - Bullet_Track_Enemy_Check:
. p/ n$ l! S# M5 d: b - STX Loop_Index_J1 |; G& R# ?' i W
- / X# v6 [' U7 i; B5 b
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
& q. x; J. h) ^& V0 O1 `9 _( j+ o8 K - LDA Enemy_State,X
4 K! x+ u" l9 f0 L( o - BEQ Bullet_Track_Enemy_Check_Continue
# Y/ H0 c' g$ P5 O - LDA Enemy_Blood,X
( o$ H" S$ \+ {6 q% D+ F2 w& ]" }" \ - BMI Bullet_Track_Enemy_Check_Continue
; E) w! Q3 \6 o% c# B - ' n+ f+ U. K! w6 k6 X4 Y; ?
- LDX Loop_Index_I) p+ l0 h$ `* r& z
- LDA Track_Enemy_Index,X
) ]3 J) _% D7 t5 U - CMP #$FF* ~3 z* n I3 @% Q
- BEQ Bullet_Track_Enemy_Init( ~/ _6 Z3 u+ h9 F" z8 u+ y% U2 q
-
; w! R1 ^' u! ^6 u$ W - Bullet_Track_Enemy_Init:
; _- W* k) s- I4 F! h - LDA Loop_Index_J
% t# _+ {& }# J! v* V/ u - STA Track_Enemy_Index,X ;nTrack[i] = j;
9 q N; h. h8 \+ N$ K -
2 f/ V% f$ O3 a6 T. V - STA nEnemyIndex% O% w, p5 ^' S7 C9 `
- INC nEnemyIndex ;nEnemyIndex = j + 1;
9 o) [- s; z* h$ O5 d5 e) b* ^ - RTS ;break;
& L* L3 E) d: v
# F$ \- ^# w r0 W- Bullet_Track_Enemy_Check_Continue:
9 a" v* g! L) D" @8 V% i I! R. M - LDX Loop_Index_J" B6 r) r/ R( w' b, e( E9 N
- INX ;j++
2 Q' Z" l4 ]+ s - CPX Enemy_Index_End
- Q* B4 }$ [# W5 v& T6 q% K - BEQ Bullet_Track_Enemy_Check @9 X3 s5 j8 F+ }0 S y8 Q
- BCC Bullet_Track_Enemy_Check
" y. U+ C7 Y8 g1 ~; b; h% C - Bullet_Track_Enemy_End:
9 q7 s; @0 t h' ] - RTS
& a5 M# v$ x, C6 U5 |% i$ h3 ?
k4 S* h6 {- }2 }1 M6 }4 T0 v- Track_Enemy:
/ \: E u' H' V2 v+ O3 ? - LDX #$0F# Q% d2 S0 V6 i% l: q5 q# o
- Track_Enemy_Begin:
% y6 `) c5 m) Z# ]* M/ V# j2 _+ n - LDA Bullet_Icon,X; a6 _& }" j6 B+ j
- BEQ Track_Enemy_Continue
3 w3 |. [+ K5 S% [+ z - LDA Bullet_State,X
. D( M" f3 }3 p' i6 f: T4 V# K* C7 c - CMP #$01
; Z3 |2 r' Q( c. ] u8 q5 R - BNE Track_Enemy_Continue
9 J- I) g- k5 r% J -
! }/ ^+ C( r+ N - JSR Track_Enemy_Process
6 P- C& K2 I$ b! r0 p1 A -
- e! O( q" U* B& ~0 A9 H, | - Track_Enemy_Continue:
: Q; U' E2 I1 U1 p( j - DEX& X# j0 X- F9 E0 K" L% ^+ Y: z
- BPL Track_Enemy_Begin
1 D U+ d& ~$ U! G8 s3 o5 K* ~' b - RTS
) ~3 d$ T) E/ Y# i - $ z7 C5 ]. N3 g; i
- ;普通关卡
" F2 Z" g5 t' S2 u0 C3 \ - Track_Enemy_Process:
0 f5 d6 G$ S5 U, R- j9 L - LDA Track_Enemy_Index,X) s! a, I/ g, J0 `) d
- CMP Enemy_Index' w# P" \' o$ `
- BNE Track_Enemy_End: d7 h1 o; r/ w6 v1 B u! |# U
- LDY Enemy_Index5 _/ S" ]' c) ?# A4 j
- JSR Track_Enemy_Y
- R ~3 a5 s2 }$ a$ [ - LDY Enemy_Index
+ P( I" u9 O7 R% b1 Q2 V0 E1 R - JSR Track_Enemy_X( i8 [. }1 m) n
- Track_Enemy_End:: X: x$ k7 j* j8 ^- Z
- RTS
/ t; b% ]) Y* A+ o. u; v - : w9 a! s" G# U9 R) U" F- g! x
- Track_Enemy_Y:
" L/ T- T; \. B& x9 R - SEC- W/ f* A; T( b1 N$ e
- LDA Bullet_Y_Pos,X$ I+ |3 Q, u: j) _
- SBC Enemy_Y_Pos,Y
( k# Y: f- e4 p - BEQ Track_Enemy_Y_Equal
! \+ Y6 m) x. j8 w0 `' a - BCS Track_Enemy_Y_Greater8 B- C. X4 R. L( {1 k
- 8 o1 W$ ^+ w" q( ^ N% W
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
* p6 f' p: i( ]! w - CMP #$FC
9 ?- V- k9 d# V( Y I4 ] - BCC L1_1
8 w, P u+ V3 ?7 d - CMP #$FE
* A% J" E4 ~% { - BCC L1_2
$ j' w4 j, F' y! z ~ - LDA #$004 ?5 w5 [ g- `# P: e
- STA Bullet_Y_Speed,X2 ]1 r. B5 X) `- U9 F1 z+ h
- RTS
5 b0 m0 e0 q) N) ` e. n1 X% g - L1_1: # H7 y' X0 O; y' [
- LDA Bullet_Type,X2 _6 C, s8 H$ ?# j4 o& w
- AND #$0F' p# f! ]7 j0 z- } w/ V) ~
- TAY
9 X" b3 g, Z0 Q/ K+ j7 c) b - LDA Bullet_Speed_Data,Y
9 D- S1 I" |7 n6 l" I2 R - STA Bullet_Y_Speed,X
" [$ I3 U. p. t; T - RTS: Q2 w+ o3 @# o! e$ P
0 ?6 j+ a* @2 c0 M4 a/ P3 Z- L1_2: 6 S% b% o% [ Y5 J' F
- STA Data_buffer/ Y1 w) H" j# u% b" Q2 k
- LDA #$001 D1 _' K3 A+ V6 w
- STA Data_buffer3 i$ v5 D4 G# ^5 W2 i; i5 p$ V
- LSR/ C, C: A9 B$ D3 e* c; K
- STA Bullet_Y_Speed,X
_' }" ]2 a: Q. `( G - RTS4 Y5 y5 L& A5 X* H
- ! G. S+ v8 Y6 p; ?/ j
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y; ?$ r. }" g1 e& {2 a7 ~+ n
- CMP #$041 @, T7 h5 z2 t9 g* E% ^$ x" R
- BCS L2_1
7 ~9 K3 K, l6 k9 o& F- L' t - CMP #$04
, y$ e9 T3 T; Y7 F8 j - BCS L2_21 y. M% n0 @8 a, H& q$ Q, J
- LDA #$00+ R0 z' ]+ ^/ k; {* _; ]
- STA Bullet_Y_Speed,X
1 h! V7 l3 n8 A) F) K& | - RTS
+ _8 O2 t. `* n - $ A2 @* w; ?) }% q8 m1 ^
- L2_1:
$ B, I7 f+ u" ?/ R - LDA Bullet_Type,X
: ^( A. f; ~6 n; t. I; u7 c - AND #$0F3 R4 _9 Z6 C7 l% M5 v% |1 x
- TAY
& M! L# _ m7 u# h6 U F# ~ - LDA #$00
6 o7 Y0 J- |: o8 ^; Z - SBC Bullet_Speed_Data,Y
- t: x1 q' I. h: | - STA Bullet_Y_Speed,X
* X% {/ ]5 _. R$ F. ~ - RTS
: X: y5 [. @) c8 G+ r9 z3 [ - ) [ f6 u( H+ W
- L2_2:' |- [+ M$ v' T! h
- LSR
# Z: ~4 Z, b3 a+ I - STA Data_buffer" H7 @! N& `+ E( e6 j
- LDA #$00
/ t' k2 \' P/ g* |. E" j) ~ - SBC Data_buffer. c9 B9 V' l5 }+ ^0 X
- STA Bullet_Y_Speed,X
8 W. b% S8 h- F0 x - RTS
# N5 i, |8 |% Y: ^ - 4 V/ A, J* L0 k6 y" j4 k; r( z- }
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
, F* I5 K5 X' E) ~) J8 F U - LDA #$00. a+ n; E1 A8 D' L4 [: H
- STA Bullet_Y_Speed,X
B$ G5 G# Q/ v) i7 R) T" _ - RTS
6 m5 F3 J: N& |4 S' l3 e: p - - ]/ M, ]% P, c- y; ]0 d* F" x
- Track_Enemy_X:
0 d( {. e; z& H. H2 \; y: y" g+ t - SEC
/ {7 `* G. B" V+ o; t" A j4 N - LDA Bullet_X_Pos,X
( m! b1 h% Q% D5 x4 r - SBC Enemy_X_Pos,Y
9 ?6 p/ p. B l - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
9 H- O& p7 T, C: x& R7 Y - BCS Track_Enemy_X_Greater ;子弹在敌人下方" P" j# I$ d% x3 y* ]% [$ N
- 3 ~0 l( _$ J9 B B' ?; N$ \
- Track_Enemy_X_Less: ;子弹X < 敌人X
; { H, s4 D: Z2 g - CMP #$FC
+ O# {9 v4 J& Q6 z9 o U: h0 U& y - BCC L3_1
; L c. A+ S/ C9 s - CMP #$FE" t, x" w0 `* C% K
- BCC L3_22 i) v0 p+ x6 L9 }- S; V
- LDA #$00# k4 \* ^% Y: k' w& d
- STA Bullet_X_Speed,X
6 d* J& S: B: N! {" |) ~2 z, r B - RTS" o) l, j! P/ I, L- C6 w% I" _
- L3_1: ' ^% t: V) l5 |& e* B& y/ P
- LDA Bullet_Type,X$ ^* ?5 W( D9 z" B9 ^
- AND #$0F
! j9 n, ^+ k j - TAY9 ?3 u: m" X0 R1 {/ d/ S: k
- LDA Bullet_Speed_Data,Y1 l- e8 y9 a- C5 s% ^8 t
- STA Bullet_X_Speed,X
% `# @: N; K5 J. q7 } - RTS) W6 m6 ?( l7 Y. b9 l& ~
- L3_2: * J$ I4 [ y$ W- F z
- STA Data_buffer$ x; D+ I% F( B$ h- e
- LDA #$008 b Q7 X9 s% g: S5 e0 \
- STA Data_buffer! p8 P ~% \% N2 \. m$ U
- LSR
- ?6 e0 ~" f2 s3 L$ [+ j - STA Bullet_X_Speed,X' o- v4 v% i) i [$ c: T! [" {
- RTS
, \; @9 Q4 E. v. Q; E& j, i3 L4 h - 6 }3 f. k( o' A# {; X+ F+ D
- Track_Enemy_X_Greater: ;子弹X > 敌人X
$ R' h! s& ]! ?, e. j - CMP #$046 q, @' d( _2 p( U6 b* x
- BCS L4_1
( I! T: m x4 k, T; I: W - CMP #$02
$ J& P, T0 r/ n7 R- Q - BCS L4_22 y A# h0 B1 A; g. P1 g
- LDA #$00
# X0 @* x/ A+ }5 \( a0 ^ - STA Bullet_X_Speed,X# Z0 Q$ e! ?+ U4 y3 Q9 a
- RTS0 l0 Z" N- a* L: U4 W' `
-
; W- [% L/ {6 u/ Y - L4_1: " s" e) T L6 G2 t
- LDA Bullet_Type,X
' O, t$ p: V2 P) a - AND #$0F* b. c2 L/ Q* h) i& I! q# k
- TAY0 @) }# a6 q8 r- a% _- P N
- LDA #$00: ^8 x9 {; Z. q! e: s' @
- SBC Bullet_Speed_Data,Y" \' B' l; L6 [' ~
- STA Bullet_X_Speed,X0 a# {" h( g2 \/ n% W2 v2 J
- RTS6 w" ]8 \+ {( f% `# U. @
- L4_2: & F9 G# a0 ?6 ?; T# P! h( b, @
- LSR9 E8 _; r, K3 f5 F8 j
- STA Data_buffer
, n% I* K5 R) v x5 s! S - LDA #$007 y5 ]$ J: f r" H: i) h4 b
- SBC Data_buffer0 e" N$ X: O- N3 \
- STA Bullet_X_Speed,X
* a; `# g! w2 g# J$ t, B( d I - RTS
7 h" s$ r, H$ Y1 b6 l% _) i - 6 d0 @* B. A& P
- Track_Enemy_X_Equal: ;子弹X == 敌人X
+ G" _0 Q1 D3 e `* s4 Y - LDA #$008 X, |9 B& P; N( R+ N
- STA Bullet_X_Speed,X
7 |9 ]9 Q1 w& ~9 y - RTS
! l; G, S `* V; C- V6 J- j - * F- w/ d# w0 S- I$ w
- Bullet_Speed_Data:
, n- N O/ a9 b; R6 m1 r# C- {5 _ - .DB $00,$03,$03,$02,$03,$034 A+ E H" `: y, L+ x3 V) w
-
3 P6 p+ D) o2 V } D. @4 M - ;2, 4关
' K* y. J6 f% _ - Track_Enemy_Ex:
- [7 E# X* I8 t" X - LDX #$0F& M p) L$ c0 z% Z. p( r6 M
- Track_Enemy_Ex_Begin:
2 X1 P ]0 t" ?3 ]% F: X( E* J
* i, D6 H4 M" g( e1 ~+ Q. k/ i- LDA Bullet_State,X
) n2 z, \+ q5 G4 j7 G - CMP #$01. h0 C" B0 _: w% B
- BNE Track_Enemy_Ex_Continue
6 s# T ~* D6 `5 V; T0 \ -
1 E7 e% i/ G0 X& Q - LDA Track_Enemy_Index,X& d: p6 ~/ f6 U) B( u; W8 O
- CMP Enemy_Index
& E8 M/ T5 _9 ?- s - BNE Track_Enemy_Ex_Continue ;匹配追踪目标/ ]! a" J+ g( d2 L! {
-
; k& }; k, ]" X7 x8 k% D# K - LDY Enemy_Index; q- M+ F1 \4 m
- JSR Track_Enemy_Ex_X8 @" `3 B% \/ p7 {
- 9 Q) O! I0 d; W( t- p' P- t" V+ j
- Track_Enemy_Ex_Continue:
% q$ {# I% W: c+ t0 } - DEX+ S3 y' c0 Z5 K& S: }* C( d
- BPL Track_Enemy_Ex_Begin0 c& Y- T' Q5 N" U
- Track_Enemy_Ex_End:
- i* n/ S0 L. T! s' \: ?; R) s8 u - RTS
3 \- y' G( A {2 S( v( l - $ d7 K9 u" L" H5 q
- Track_Enemy_Ex_X:
% ?& o! q1 R1 i6 p - ;LDA Bullet_Z_Pos,X- j+ l, ], v E
- ;CMP #$04
1 f6 _: u* i4 ^' S - ;BCC Track_Enemy_Ex_X_End
" y4 G: k4 [; s9 s0 x( Q; F - SEC1 r8 m5 d8 M5 I+ w) @
- LDA Bullet_X_Pos,X) a# d8 ?( H) R% @; ]& f( w$ I
- SBC Enemy_X_Pos,Y- k: n3 Q5 H5 m5 k9 `5 l8 p8 C
- BCS Track_Enemy_Ex_X_Greater
1 L. D) r5 z Y, o# T! X9 |! v - % f8 q% w2 h% j& \, |: D/ G
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X/ {- ^5 N# J+ X9 b) p
- CMP #$FD# X1 p) ^/ a* [" o0 U
- BCS Track_Enemy_Ex_X_Less_End* c) Y3 n H4 o6 P, Q
- LDA $6020,X, }0 N6 p" d7 \% E n& H
- CMP #$2A+ @! u! G7 d& c7 [( c3 {( i* U. |
- BEQ Track_Enemy_Ex_X_Less_L1
0 W$ i0 `- p R6 W& \ - LDA Bullet_Z_Pos,X/ V0 L4 _0 a; d% o4 ~
- LSR
" W4 M; I5 D7 @ - TAY8 y8 ^- N$ K6 I1 T- A
- LDA Bullet_Speed_Data_Ex_R,Y
" a; U/ v, P4 e4 y; N - STA Bullet_X_Speed,X
8 G( _# U3 `+ g* p1 u: c% h- O/ ~ - RTS+ I" ^( |$ e% z. J
- Track_Enemy_Ex_X_Less_L1:
! ?& Y' @% Y& P3 P- f4 ] q1 D; e Z - : D; }& c! `7 e" f: F% H. P# D
- LDA Bullet_Z_Pos,X& H9 B1 C j8 y; @
- LSR6 e/ n) X3 W1 H9 h* h# ]! x& B9 e
- LSR
5 a \ x$ K) F, ~5 o/ z, e - TAY
/ i1 G1 \* h' v' E5 @5 [3 H5 I - LDA Bullet_Speed_Data_Ex,Y; G. L2 A, m, ~2 v' c
- STA Bullet_X_Speed,X7 y$ |3 E' ^$ C5 e# n4 P
- RTS: N. G- |+ i% \4 c8 w
-
1 y: k* h0 |' F5 n - Track_Enemy_Ex_X_Less_End:
) T" D8 n S5 |% }6 j/ j - RTS3 z- f* `! r- h
- 3 @6 [+ n" z6 a3 c
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X8 F; T. q4 J Q9 F9 X8 I
- CMP #$03* q6 J; V7 S. }) P% P( f) @* T
- BCC Track_Enemy_Ex_X_End
: k( A) o! W* z - LDA $6020,X6 ]& g/ t1 |' R& n- U8 j( g
- CMP #$2A
% e/ {& b3 r+ i4 H- v6 S - BEQ Track_Enemy_Ex_X_Greater_L1& J4 d0 I5 S l* X
- LDA Bullet_Z_Pos,X
* T0 j. q, v! m/ \: b - LSR
, p2 D0 }, t! W5 W5 \- _ - TAY% h& A+ W/ E5 ~3 @/ r
- LDA #$00# f+ Y ?6 a- Z/ [7 Y$ ]
- SEC! }+ k, {. G# ^! ?) Z
- SBC Bullet_Speed_Data_Ex_R,Y4 O" s. S$ | A3 j% u
- STA Bullet_X_Speed,X+ Q/ v* ^9 u& c7 g& d
- RTS# N8 L) P2 m+ w2 y* g5 B
- 5 [" U3 r( |. {5 r) g: R
- Track_Enemy_Ex_X_Greater_L1
# Z6 X6 I4 ?- x2 U! M5 q* l - LDA Bullet_Z_Pos,X) R# U. M; i3 K& T2 v* M
- LSR
% Y' T9 |/ K7 {+ w+ z8 Y& { - LSR
* v9 o" s0 _: k' K - TAY
2 [' G& C, ` U' n* |6 f/ [ - LDA #$00$ ] V! f9 p: w. x
- SEC0 k, J. t: M- O$ a
- SBC Bullet_Speed_Data_Ex,Y! G. B& O5 Y. p9 y0 M
- STA Bullet_X_Speed,X
7 x \( L3 Y+ T - RTS( `) P2 f9 A; x c. U. R. l5 i- L
- ' ?5 i; C5 C; p+ ]
- Track_Enemy_Ex_X_End:! H" H, u9 P7 J& G* `
- RTS
; W& N& V ~7 u- h3 S - ) X- |2 V, j9 r
- ;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)
% I8 W/ Y; M5 b* U: L - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上* l1 [5 |1 \* z9 v+ q. ~/ ~
- Bullet_Tract_Direction:- A3 j L- ^' T. X" L+ L' i. Y4 f
- LDA Bullet_Icon,X) {4 ]' h" y7 p; y, x
- CMP #$23
6 }7 W" d$ h' f# O0 C8 A L( I - BCC Bullet_Tract_Direction_End
% C3 Q8 b+ c0 B7 U Q -
" h% f6 M% p/ O/ {1 X- p% I) c$ j - ; X != 0
) a, T6 g4 g, ~ l - LDA Bullet_X_Speed,X
$ d2 ?4 n, i/ | O; n - BEQ Bullet_Direction_V! o+ H; w& P; ~4 d2 ]; V
-
: s: O) t1 h$ j* t; C- Y - LDA Bullet_Y_Speed,X
) @" ^8 i! e3 D - BEQ Bullet_Direction_H
' O& b1 V7 [* e5 J5 _ - . @1 @# c+ q8 @& a2 P" R2 U
- LDA Bullet_X_Speed,X# |# W1 t9 M. Q4 \4 |0 X% }1 Y. ?- r
- BPL Bullet_Tract_Direction_Right$ S3 d) R5 z5 [8 m2 f: }
- Bullet_Tract_Direction_Left:
* m5 i% r2 L: l) ]" X9 e - LDA Bullet_Y_Speed,X
& |6 p2 f5 x- m0 S! I- ] - BMI Bullet_Direction_Left_Top
! n1 M$ O( D4 j; q - BPL Bullet_Direction_Left_Down- t4 I2 t8 ^; K$ W- l9 i
- Bullet_Tract_Direction_Right:7 C' N6 W7 i" T0 k9 P
- LDA Bullet_Y_Speed,X, P6 z6 {+ F; u
- BMI Bullet_Direction_Right_Top/ R5 s/ d% ^$ X7 E" o
- BPL Bullet_Direction_Right_Down
; E5 p' M5 Q/ i& R; g9 Q. I! p! G, [ - Bullet_Tract_Direction_End:6 {0 c( K& N% J9 u+ r3 p. S$ R" f
- RTS6 k3 u$ a1 L3 t
! E" y/ {: {- q- Bullet_Direction_Left_Top:
: A- F4 [ D: G" P; v - LDA #$25
4 U* K" m2 ^0 o2 D9 A - STA Bullet_Icon,X
) e* G& X# k" ?0 B2 S8 P2 l1 A8 s - LDA #$C0
% H% h* ]9 ]( |% E - STA Bullet_Direction,X
5 ~7 s+ k* X) \6 C - RTS6 i8 Z* K' n$ \: }% L: O
- ; l" Q* [2 K! z4 g+ ~/ A0 }1 O
- Bullet_Direction_Left_Down:& ^+ g8 b# w6 d: o' ?
- LDA #$25
2 `, [( U. f% W" X6 c - STA Bullet_Icon,X
$ g, V1 ~' H7 l; [/ P. P% U0 i1 _0 a - LDA #$40
9 p2 e7 c" D( _8 G* k - STA Bullet_Direction,X" e- F* u _3 U9 f
- RTS, O7 b, ^2 H& ?: p& a, S
' U$ g% {, l6 b7 |- Bullet_Direction_Right_Top:8 O2 N! a' p3 u; O/ v9 G* u
- LDA #$25
) @* D+ V. q0 } - STA Bullet_Icon,X. \' p% ?# G/ ~* ^8 F0 J- B
- LDA #$806 Y1 E* c% t# S
- STA Bullet_Direction,X) X& y# K. X: n! t
- RTS
' m. E* v7 X- u6 @" H b$ A6 M
; A/ i* ]+ N3 ~3 ~- ?* l/ r- Bullet_Direction_Right_Down:
1 z" t3 y. s; {3 s e - LDA #$25
; T6 I9 Q @! T( S8 d/ N - STA Bullet_Icon,X* @( X6 h, p) _
- LDA #$00
4 B6 L w3 P' z/ v6 L. a - STA Bullet_Direction,X
, h- b2 a' q# q4 A+ Z$ N - RTS1 \( u# G3 l: l" p) W2 w+ G: [
' L; d0 ^$ f$ Y! D7 E& a- q- Bullet_Direction_H:
3 `5 G) y/ m3 w9 b- W8 m0 `. H - LDA #$24
) f n! o9 c; x' n - STA Bullet_Icon,X
$ n, L4 X% f* t4 v - LDA #$00
1 P0 _ o* ?0 c - STA Bullet_Direction,X
7 F) _4 X5 i) D1 R( ^ - RTS& D; Z" b6 N/ [% L/ V. \8 D
% J) y n; E x; C- Bullet_Direction_V:* U8 R, ]3 y8 \1 u' {" |
- LDA #$23
, {/ ]8 E* K, L8 c" H; J4 y - STA Bullet_Icon,X, B C2 |$ u9 F; S: v' {+ e4 b
- LDA #$00; o& E9 _% K! ~2 M. W- d
- STA Bullet_Direction,X, D; D, {7 p* j. ~+ }
- RTS: s3 _1 h+ W1 j3 w4 a9 M
% J$ i8 C$ j" d3 @ m2 ^( r- Bullet_Speed_Data_Ex:
. O: Y0 [( }! N6 O) q/ t - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
4 k2 [3 t8 y3 V- N -
! Y& ]; t3 h( O9 r- ? - Bullet_Speed_Data_Ex_R:
7 V4 w5 A2 c1 g; [6 `2 v - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08- s1 k( A" A: n, H! F& ` \# k+ T& a
-
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