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[FC][魂斗罗][J][追踪弹]4 i6 S/ u0 c: s9 R, g# Z
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时间:2023.04.30* ^5 n' d6 z+ V! J
作者:FlameCyclone
. \# {+ G2 r! e2 V9 |' ~4 g2 [* w内容:
+ i- Z( b- Z& O 1. 所有子弹追踪敌人' a, Z4 d5 D8 `: y, f/ |2 }+ l
2. 选择键切换武器 p+ }, H0 E0 S, y
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$ S# S: [0 D! s3 S8 s
+ y5 F& K: Q0 f. B$ a# ^! z" V1 fflamecyclone.ys168.com# I) u L6 o& u2 e/ G0 G( K4 @

( j0 ^/ w( X: t! n9 F6 a0 \/ @; \- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
' `/ w0 [( Z. M% {+ o9 t7 w; m - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
X" [' l1 ^/ E, R! z8 M% 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)
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8 w% K/ v3 ]# S* K1 f. t- ;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)5 K. o# K& c, E5 H) M% C
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
+ `! `2 G3 C+ P5 i7 h1 E7 m
9 e4 N& `4 W/ e5 u. Y, Q- Track_Enemy_Index = $6000
/ z" T# a1 W* |, z1 G' k( p y - Enemy_Index_Begin = $6010: Y" ~8 L ?+ k- {
- Enemy_Index_End = $6011
8 o! H0 x! t/ a* E - * g1 `6 @; U. S( D5 D; ? k- b% S3 G
- Loop_Index_I = $6012, Y4 J2 `& J4 i8 A/ ?& U: |
- Loop_Index_J = $6013 u) d/ `5 D$ j6 u2 C/ c
- nEnemyIndex = $6014 A6 Y# }4 W) N2 B ?7 n
- Data_buffer = $6015$ v2 J2 `# m8 {, Z- u, }* a: V
- # R9 R; I7 k1 Y$ j( m
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
& x6 E3 `" |: K5 P; u - Bullet_X_Pos = $03C8 ;子弹水平坐标
+ X6 ^5 v" b5 y4 Z; u: K - Bullet_Y_Speed = $03F8 ;子弹垂直速度2 f1 c) C) J6 Y7 |% e+ n; a- s
- Bullet_X_Speed = $0408 ;子弹水平速度( L) B$ y) f, L/ h# F4 `! G
- Bullet_Z_Pos = $0418 ;子弹Z坐标9 D' L: j) N2 u- Z, [- Z7 o& A
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
" w& [6 c5 c! u9 @& W8 E - - d% l( m& J& @* L, |( B
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸2 e' s9 O+ b5 _( a# }$ W8 i+ F
- Enemy_Blood = $0598 ;敌人血量- `3 _/ a0 J8 K0 r4 Y$ d
- Enemy_Type_Addr = $0528 ;敌人类型
; Q5 t6 G2 C' h6 }5 E0 `( v7 k/ _ - Enemy_Blood_Addr = $0578 ;敌人血量
) t {* \* O. t/ B - Enemy_Y_Pos = $0324 ;敌人垂直坐标
5 a. T& r* v" } - Enemy_X_Pos = $033E ;敌人水平坐标
; X+ T$ i4 m2 L0 G! R, x - Enemy_Y_Speed = $04E8 ;敌人垂直速度4 `' ^% ]/ [! i z) j6 Z
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
3 |9 [6 [, }$ E1 f# t) }
5 Y7 o; f2 I2 M7 M5 [- Enemy_Index = $83 ;2 w* P' B' G; A6 O3 n
- Time_Count = $1A/ \: h+ [' H2 N- P0 E
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率6 n3 e0 O) y( ~' C6 `
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
1 j3 ?8 H" O! E) y! Y, [2 o
5 N2 @8 o; e5 `. k3 M* X. g7 q' _
6 [7 F( c, |7 Z% d9 `1 P, e+ v- .ORG $6100 M. y% }: F4 d! w) q
- Process_Begin:1 ?% m7 I8 V+ M
- JSR Enemy_Check; q1 v9 Y& C8 g2 O% D8 r
- JSR Track_Enemy_Check+ r# k0 Z+ _- r+ \, `
- Process_End:( N, c+ O7 c0 P; O
- JMP $E54F2 `( Z8 V! F8 J& r c% w8 C
# P- p3 u' o/ q% }% q& w. o- Enemy_Check:
" h) Y7 y0 H0 ~' p1 D - LDA Time_Count. b4 z5 s& N: U2 A
- AND #Track_Bullet_Speed t* B2 _$ y9 N6 ?; O
- CMP #Track_Bullet_Speed/ X* r) u0 c L$ {5 }
- BNE Enemy_Check_End# |# a1 ^/ B: Y$ _" o/ w
- LDX #$0F9 [' {$ q3 m5 l0 r" R6 D
- Enemy_Check_Begin:
3 P, g3 Y7 G! }% q- Q& N - LDA Enemy_State,X# r+ F! p% X: \# E7 D0 m3 q7 j
- BEQ Enemy_Check_Continue
- c, V5 p5 K4 B3 H - STX Enemy_Index- d- ]4 X U9 f3 T$ H% Q
- JSR Find_Begin_Enemy5 Q$ L7 M& Z( q( Y. A5 L
- JSR Find_End_Enemy* z% y4 d. }- `
- JSR Bullet_Track
; ^- d. N; s. o5 Q) z4 }/ d. W9 L -
' i( x: ?8 s) d/ i+ r - LDX Enemy_Index. }* c8 \% c. X
- Enemy_Check_Continue:; [ o7 K8 Z% x
- DEX
* b9 A" m8 d8 L4 ]( a& M" R; W - BPL Enemy_Check_Begin
" i/ [- A. e5 N# b- A- }9 p, \) y - Enemy_Check_End:
1 Y! f. e4 a& f- r! r" _ - RTS
* E# u& B( L1 r% Y5 d+ ~8 k - ! H7 ^" Q: I m5 C2 X% m `( \
- Track_Enemy_Check:
4 n2 C. ]: V. B( q" \' o2 N5 { - LDA Time_Count
1 X, a \ g( f - AND #Track_Enemy_Speed* y2 B5 E( q# Y- r$ G7 p" y
- CMP #Track_Enemy_Speed
0 {# n) D4 |+ N; Q - BNE Track_Enemy_Check_End
2 I$ s& ?5 a7 x: {% Y. T - LDX #$0F
. ~, k# [- ]: p* p9 X$ d - Track_Enemy_Check_Begin:$ `3 V$ s- V. S7 D2 A7 k
- LDA Enemy_State,X; E3 h7 n1 `; x/ w* }
- BEQ Track_Enemy_Check_Continue+ m8 g/ s! B5 u+ [7 q
- STX Enemy_Index* \' {- ?6 `- H9 L6 | _
- ) w! V8 `1 [) ~( F7 ~6 H# M. f& S; a
- LDA $40
7 P* m2 L' d6 C1 ~! `) S - LSR, h6 f1 m8 C! F. m$ T
- BCC Track_Enemy_Check_Begin_L1( q6 S; F3 E3 [, d, l' z1 c- ^# u
-
* v# l% m# a# e9 _) b9 d# J( Q - JSR Track_Enemy_Ex ;2, 4: E" E; B5 P5 ^; C5 u, C
- LDA #$00
- @) A. [0 b1 O - BEQ Track_Enemy_Check_Begin_L2
0 z' b, L. Z0 O6 c4 ]' |$ ]( r+ ] - 9 ~- z- p h8 x5 l( C
- Track_Enemy_Check_Begin_L1:2 T/ \9 z0 `, H
- " |$ ~, y( ~# _2 H- k; g
- JSR Track_Enemy+ L$ r- @! e1 R/ x0 V7 f7 A# U
- 9 G8 q# Y4 V, }
- Track_Enemy_Check_Begin_L2:3 ?! F* L5 B# y* |4 k6 a2 _; U
- ; k& G; j& v$ Z5 j, c& o0 U
- LDX Enemy_Index
; Z( I2 h& G, ~% ?" s - Track_Enemy_Check_Continue:
7 D( k, j. `8 K- q2 B - DEX6 n6 C4 v$ E; S. y0 A
- BPL Track_Enemy_Check_Begin% d+ A) J5 f5 B2 P# {3 A
- Track_Enemy_Check_End:1 K/ S5 E2 j8 y/ x
- RTS' t) a8 J9 b" w, Z, u. y* |
% g6 L, X$ y5 x$ r R5 h* o" h- 9 x6 J K- f% Z
- ;查找第一个敌人 S+ I# Q" M: A8 Q3 G) D
- Find_Begin_Enemy:
+ W) K7 T* p3 b2 L5 Z - LDX #$00
" \# c9 X6 f0 G% \5 Z! q - Find_Begin_Enemy_Check:2 u0 I5 Q4 W0 S" v4 L# Y
- LDA Enemy_State,X5 \$ Z1 k$ y9 v# B- ~/ ?6 Q
- BEQ Find_Begin_Enemy_Check_Continue! `6 D7 B5 {2 c# ~7 P
- LDA Enemy_Blood,X
; W+ Z2 q* Z& _% N) s9 _* u - BMI Find_Begin_Enemy_Check_Continue0 G9 r' j' }$ d( F2 r( ~; R& `
- BNE Find_Begin_Enemy_End0 a+ @& _ i7 ?. x
-
* ^ A5 y% L- G8 c9 e9 _4 O2 t& { - Find_Begin_Enemy_Check_Continue:4 Z& V$ P6 S' [: Q
- INX
z7 A6 [( H, D1 S7 n8 Q% { - CPX #$10
1 q2 |! k j$ O) ? - BCC Find_Begin_Enemy_Check
% U8 G& { i# r0 l. g+ y - Find_Begin_Enemy_End:; c- Q) y c9 [5 d8 E
- STX Enemy_Index_Begin
2 }: t3 k5 a. S$ L3 Z - RTS
- D4 |# l- D# a; h" V - ; Z! y6 e6 i! x3 H+ d$ u
- ;查找最后一个敌人: b5 z4 ^8 O1 {6 D
- Find_End_Enemy:
9 a$ M: K3 S" L - LDX #$0F
" R* K7 |2 M9 p8 N& ~ - Find_End_Enemy_Check:
2 |9 f& ~+ Q( [+ y" q) l% W - LDA Enemy_State,X
7 ^0 F$ a9 I, R9 N) f4 F9 c - BEQ Find_End_Enemy_Check_Continue
' i* B& A6 [: S- q& L$ _* M/ l - LDA Enemy_Blood,X
' x" [. S c& f; t+ _9 Q - BMI Find_End_Enemy_Check_Continue
$ r8 Q- y. l1 @ - BNE Find_End_Enemy_End
3 Z0 b5 H! D/ O& G1 d+ x; V - : w& r! r8 T5 c5 T* j% i
- Find_End_Enemy_Check_Continue:3 d; m8 }9 C; h* Q/ S
- DEX
# k8 l6 y, K2 p: u - BPL Find_End_Enemy_Check
* }/ V; Y. i5 ^# z - Find_End_Enemy_End:
0 X: H$ r* U+ b8 W* E - STX Enemy_Index_End$ r3 S4 d3 p7 k3 a
- RTS4 e$ i% B# v1 S0 P" k
, F1 d1 W/ B' n" j" I" [- ;子弹追踪; @# e1 ~4 n: a/ Z/ u
- Bullet_Track:
0 A- {1 `) I( A" M - LDA Enemy_Index_Begin
* Y* i5 y7 |0 V! o6 c* s. u - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;: j% j# y) ^9 m* e* D
- LDX #$00 & P4 S" M. I, x3 N1 O' |$ x
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++); X4 g2 W$ k& f% U
- LDA Bullet_State,X9 c; \$ M8 R) _7 `- D1 h
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
{, r" G2 r) N+ M' u+ j5 ?; b& s - STX Loop_Index_I
; t, w; R/ z6 v# @ - 5 X. P$ ?2 v0 e
- JSR Bullet_Track_Enemy9 p1 B/ K8 ~4 f% G( W5 }
- JSR Bullet_Tract_Direction
9 H, [3 i" m! \0 g# H* T- h8 F4 } - ; V3 A8 |) S$ @" i) h
- ;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 _/ D5 H" Z+ j: {7 o
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
`1 C9 a* n6 c& C" _ - LDA nEnemyIndex
' i( n! S9 t$ ?" f' ]+ g( O. l* b - CMP Enemy_Index_End
9 f& p: I( S) e8 y4 ?3 Q+ w - BEQ Bullet_Track_Check_Continue8 x K1 u5 T$ g/ n% M5 D
- BCC Bullet_Track_Check_Continue
4 \2 W0 C# X8 J7 ^6 O" W" L - LDA Enemy_Index_Begin
7 m6 F5 F) u, w - STA nEnemyIndex
0 W1 Q7 U8 R( k `6 o -
1 W+ A& ]3 ~% A; P, b2 ~# @% q, K - Bullet_Track_Check_Continue:) _5 a* ~2 G6 J3 }! z/ r# {- v
- LDX Loop_Index_I M5 \7 P+ ]9 T0 |
- Bullet_Track_Check_End:% l9 f( H- O) F* p( B; ~, z- l/ U
- INX" d$ V3 T; ^2 q7 j$ ^
- CPX #$10
0 r& x- }. ^; r) Z. a - BCC Bullet_Track_Check
; v. B$ [% F1 P" m C - Bullet_Track_End:
7 L9 g, s; M+ y9 g+ @ - RTS
+ ~3 c8 K E4 G3 f - # ]# m1 `; B( b! ~
- ;给敌人分配子弹# u! r9 F0 n b% n) u$ _
- Bullet_Track_Enemy:% _; w% g4 \, [3 M9 J: O3 Z4 S
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
4 h; J4 z- x( s5 w( A3 b+ C) `* p - Bullet_Track_Enemy_Check:5 Q ]. L% x0 @8 y; w5 H0 Q
- STX Loop_Index_J8 D2 t0 ^2 K; u. @& g: a% r
-
4 q: h6 n4 h& H" P5 h# z - ;if (0 != nEnemy[j] && -1 == nTrack[i])
3 v, p$ Q/ V7 R9 o$ O. d - LDA Enemy_State,X
?2 p7 u1 M( c - BEQ Bullet_Track_Enemy_Check_Continue' f- X# W' z D% N' W _
- LDA Enemy_Blood,X1 T$ X9 @' p4 \* u/ T
- BMI Bullet_Track_Enemy_Check_Continue
! e' O' B; L+ I. n* m# t3 R7 i -
& {; d* w) ?+ w A - LDX Loop_Index_I9 j1 F$ Z& ]1 M7 K
- LDA Track_Enemy_Index,X8 c6 v% D0 A; r; `- R9 V
- CMP #$FF8 X. s G: A0 `, Z" E3 K
- BEQ Bullet_Track_Enemy_Init& I2 ^* T) t8 x
-
) c; @ B7 Z. E5 T3 O - Bullet_Track_Enemy_Init:# B/ n9 j; G: u7 m/ Y B
- LDA Loop_Index_J
, I6 H+ K6 v' k ], F; T - STA Track_Enemy_Index,X ;nTrack[i] = j;# l' X( q: R# ?+ ~+ F
-
# l* ]4 c7 \' h T2 F2 e - STA nEnemyIndex
* ^' l" v$ G! F/ l5 L/ z5 k5 F - INC nEnemyIndex ;nEnemyIndex = j + 1;& n# t0 c6 z6 M2 I! l
- RTS ;break;
& x# B1 J9 ]/ m9 I9 \- J- N/ g
; w4 v$ U6 O0 @& w/ `- Bullet_Track_Enemy_Check_Continue:9 E- Q) c. f( ]4 W& a) J5 x
- LDX Loop_Index_J) c; t, ~( r2 b! U# X) {
- INX ;j+++ \! u6 q1 c% M# N: w1 ~
- CPX Enemy_Index_End
" v$ l: F2 B$ _& S - BEQ Bullet_Track_Enemy_Check% ?+ _1 O8 p9 O- w
- BCC Bullet_Track_Enemy_Check. G3 u1 Z5 w. D
- Bullet_Track_Enemy_End: _6 J- f: p* M( j p8 u$ X
- RTS
! _( h6 e7 ?/ w7 b4 B - 3 p5 x0 l% H% X+ ~% b
- Track_Enemy:. }+ [" {* i7 X5 T6 j* v
- LDX #$0F
" P9 h% m+ ^ u9 U r - Track_Enemy_Begin:) {' {0 A, N+ D$ }" Y" `
- LDA Bullet_Icon,X
4 [+ r7 {( M4 m8 I3 e# z - BEQ Track_Enemy_Continue
/ x( q& f1 R* c/ s9 e - LDA Bullet_State,X
7 O" L, V+ l' g* `+ `% r3 C9 u) t - CMP #$01
. e' d8 v5 Z- R$ o U - BNE Track_Enemy_Continue
, D8 ~7 H+ ~" c7 X: c% \ -
/ X5 J: M9 E) R+ d - JSR Track_Enemy_Process
6 k5 T5 n& S3 N- D3 F- ~ - & ~$ B# q0 q8 S) T; f3 T) ~: B
- Track_Enemy_Continue:% g: Z+ A# [ {- q
- DEX
7 U# a( X0 V+ N( G- }0 d - BPL Track_Enemy_Begin7 {% u/ Q6 D6 G; O9 l% j
- RTS3 ^( P; r% p/ }, M/ h4 t& m
1 h2 ^- `1 p- X1 H% ~9 m- ;普通关卡
" b) z+ N0 ~) E& T - Track_Enemy_Process:
: Q/ i& C& J c& @$ s5 h - LDA Track_Enemy_Index,X: c" n3 D& P% Y% a$ M" I5 m
- CMP Enemy_Index# O$ s9 a( x* _: ~7 V# h
- BNE Track_Enemy_End" D, L; l2 A) M1 b! C
- LDY Enemy_Index
. V% Z1 m% y, j2 N S - JSR Track_Enemy_Y$ F& b4 w" O' u+ T( h
- LDY Enemy_Index8 M3 ]- G6 T H
- JSR Track_Enemy_X% F' o& q/ w# \
- Track_Enemy_End:2 W$ P& L5 F/ M6 U" C0 B
- RTS
; c5 ~ U. b5 p - 6 n/ D1 A% Y" \
- Track_Enemy_Y:' u& T. f0 L/ g0 J& I
- SEC" ^4 d. G, J- {: ]
- LDA Bullet_Y_Pos,X
# R2 W0 r% D6 a: B) } - SBC Enemy_Y_Pos,Y
: m" ~! }# l7 o1 Q) k% w - BEQ Track_Enemy_Y_Equal
7 x" o5 @: |' }& V8 b: j: u - BCS Track_Enemy_Y_Greater
y& F, i/ D8 `" g+ Y# m1 p/ b8 C* k -
1 }: q0 j( p- W$ ^( N& V - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
* r. p" X4 v/ u% a" m* | - CMP #$FC9 q8 ]! Y3 Z' C1 B5 m- a# J
- BCC L1_13 x7 V C/ G, P. O( s+ C
- CMP #$FE
$ L% \( |; E) q - BCC L1_2
& }! q: n+ d2 W8 l. R, p2 K - LDA #$00
5 ?# r3 H( y& H. ?& M# |: R) k - STA Bullet_Y_Speed,X0 ?. l. V, x$ a6 C9 [
- RTS
% ~5 T* d- f( x8 a4 y6 | - L1_1: 9 e! m$ \# Y" Z/ f! \
- LDA Bullet_Type,X: j5 N' R+ H* {: c: R9 H# y
- AND #$0F& R/ p) m; q+ p0 }
- TAY" ?* S& d9 z6 z
- LDA Bullet_Speed_Data,Y9 P) H6 O' r( l/ n% M1 p
- STA Bullet_Y_Speed,X+ S( V, `. f3 w0 W0 w8 o
- RTS" Y1 ?# e! Y& ?
- * M5 j; R0 S1 P8 e; b* J3 f3 Z8 R
- L1_2:
4 @. |* i8 Y C$ o# R6 W4 H. w$ S - STA Data_buffer5 w! N/ ^6 t: O6 P2 @
- LDA #$00$ m ?. D" ], f
- STA Data_buffer o0 l, C7 b6 w% E5 J) r
- LSR
9 e7 p c9 v+ I$ b7 N3 h( _6 D- q - STA Bullet_Y_Speed,X
) c- c+ e) Z W8 ^+ q - RTS
) N& j, z& |' q I; a1 P. h - W" g1 R+ q. h2 \( S6 [
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y+ C3 |; o; m) B/ U+ W3 d6 R
- CMP #$04 H) ^) V: `1 u
- BCS L2_1: p9 R! l5 `0 q5 D2 i2 V4 ^
- CMP #$04
$ u9 y$ F) {$ i8 L* B2 @; O! ? - BCS L2_2
4 R( z9 N( s* E) m8 D - LDA #$00
0 W+ B3 O: R2 z2 m" C2 N# s O - STA Bullet_Y_Speed,X$ H' X4 Q, h5 U1 E9 A* h: d
- RTS
0 r' W! }3 v1 S% c5 { - 7 E$ O2 j' _7 Y' E
- L2_1:
. Y( g3 F' @, a - LDA Bullet_Type,X3 b0 g, e6 E! H' A
- AND #$0F
# J" n( T+ ?' O1 S - TAY
. w% [5 L0 B4 y5 @2 e - LDA #$00
" T! L% s3 Q9 r2 e8 \4 p - SBC Bullet_Speed_Data,Y
2 c- h' {8 H+ u6 `; V7 l - STA Bullet_Y_Speed,X" L, D( q- i7 q5 [2 } j
- RTS
9 c6 ~2 F" W+ e2 F4 Q - ' @( V! x1 f" H) f$ r
- L2_2:
! D8 q+ p: P9 U9 O# N - LSR8 |% ?, E, X- U: w: a
- STA Data_buffer
; `& n5 D! n: t U0 Q - LDA #$00! }3 e0 G( w9 ]4 A8 J' ~
- SBC Data_buffer
. s1 O+ z2 z# W+ x - STA Bullet_Y_Speed,X9 ?! q e" i) x$ k8 v7 z& j/ o
- RTS1 S3 q" |1 K& Z- R& X$ G! @
-
* B, r, z. N& u2 v( [/ |( R+ n5 E( F - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y2 Y$ R) v; \. R: C# a |
- LDA #$00
: d3 m* V& R8 o6 M: d - STA Bullet_Y_Speed,X
6 w1 I- e9 ]5 U V; A! H' k - RTS
' h* F' F1 L! }& y3 f( d - 7 R% Q: ~5 B+ W
- Track_Enemy_X:1 N0 D( q( T6 Y5 s* `( Q% z
- SEC8 _* I4 J( x( N, W9 {$ T2 r
- LDA Bullet_X_Pos,X
% p; v: f, ]5 Q# P/ [( w - SBC Enemy_X_Pos,Y
6 @& s% }4 H' U# G/ H7 D - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X0 y0 R% y4 H6 p/ `/ u
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
* m& @/ L; R0 u6 p - 0 s/ }, P% P* V5 _, A
- Track_Enemy_X_Less: ;子弹X < 敌人X( N! X4 g8 k9 b2 N" A' O
- CMP #$FC' E( z V+ }; L ^3 j5 A! c: ]
- BCC L3_1
1 e6 p7 Z& z: g4 s0 u1 ^ - CMP #$FE: I- N* d" r/ S6 ^, B! L$ v
- BCC L3_2
( P2 Z {/ B+ C - LDA #$00# w L7 S) d9 R6 P2 D
- STA Bullet_X_Speed,X5 Z0 | k+ @) ?
- RTS8 R2 R7 b" `* E
- L3_1: , }' h6 Y' N6 {: T, f5 Y/ H0 A
- LDA Bullet_Type,X p, r3 g Z# d. |0 V% Y
- AND #$0F
$ a" Z) k' |0 r. B; r - TAY( G: ?( u( ^0 n# @$ I8 ?2 v+ l
- LDA Bullet_Speed_Data,Y
, f: i4 A) Q0 y- F$ t - STA Bullet_X_Speed,X' X0 f8 `* Q* y$ M" F. u9 o% O0 ~
- RTS! r$ n9 w/ `. |- g- O1 a& d+ F5 ]
- L3_2: 2 p+ A# k1 ~% ?5 B4 ]
- STA Data_buffer3 i3 m# n3 s" F
- LDA #$00. A' J2 S: N2 m7 v. @/ X
- STA Data_buffer
* f' e2 `- x) b, H' s7 l) S/ G: ` - LSR
- u0 k- ^1 d5 y+ ]/ l. c - STA Bullet_X_Speed,X
% G# J$ T* H7 J2 `. P- y' h$ | - RTS
( U9 M( n9 i* e |4 F5 p - * N8 G1 B! V( @
- Track_Enemy_X_Greater: ;子弹X > 敌人X
{- T6 R" H- D [. K3 D3 O2 J% \ - CMP #$04, g* l1 s! l8 P- G
- BCS L4_1" I! U: h) Z+ V9 j* P8 M4 Z
- CMP #$022 d+ |( s$ c, `# c9 y$ h1 @
- BCS L4_2* ]$ E1 C/ F. g) @% t* E/ D8 V
- LDA #$007 |8 q0 c! R1 R H4 {5 g. c |7 i
- STA Bullet_X_Speed,X
# e" ]9 G0 Q! H( q$ H" k - RTS
- @: u8 ?' ^) L6 U7 f - 5 y5 ?- U" G6 h+ d6 J$ ]7 i
- L4_1:
& U: _2 e X7 }- h- w1 d1 }, z - LDA Bullet_Type,X
2 F0 f+ j k1 r" H/ T - AND #$0F
/ h- Q3 r$ \8 n7 H& ? - TAY
0 J, J/ M3 W* P, O - LDA #$004 M# i" P5 {) x% l. B8 H8 A }
- SBC Bullet_Speed_Data,Y
: |+ b( i2 Y& Z/ i; Z) l) H; x - STA Bullet_X_Speed,X8 \; i# B+ l: i6 D- C- t
- RTS2 b. A* m8 g6 m5 z9 g: A+ S3 q& {
- L4_2: ' v, { j9 T: w# _9 e
- LSR
, ^& S8 a: l; x3 Z4 V! N - STA Data_buffer
6 f7 w( `, t# k% W' a+ K' L - LDA #$00
/ Z! Q+ @ f9 X. r% [3 Z - SBC Data_buffer( V6 ^7 h1 k7 ^0 w; P1 S( O
- STA Bullet_X_Speed,X
3 @5 L/ u2 a ?/ G1 U - RTS
3 A. F% f3 g* {4 Y - 4 u2 G, z- }, A+ G
- Track_Enemy_X_Equal: ;子弹X == 敌人X+ {" x1 d0 u W8 v2 Z
- LDA #$00
) z" `0 N6 @* n/ a5 a0 I - STA Bullet_X_Speed,X7 m& k( ^9 p$ L, \
- RTS
; m0 P+ c$ a( B" l0 p9 W; f -
- i" r2 o1 N# d2 l, M( |. A - Bullet_Speed_Data:
6 G J4 R [5 N3 B: Q d# l - .DB $00,$03,$03,$02,$03,$035 Z3 Q% \; G6 p1 |0 g
-
7 E) f1 Z8 U: n9 O# d$ q& f# z+ Y$ U - ;2, 4关4 f0 h) P! B+ O* f4 I
- Track_Enemy_Ex:) V' y: U, c$ I$ E- k
- LDX #$0F. R/ ~7 \- v2 Y6 w
- Track_Enemy_Ex_Begin:9 C$ O! H( K0 k# o1 o
- # q6 `1 w9 X* F! S7 L" ^0 \% r9 M
- LDA Bullet_State,X2 n* f3 j/ \, r( K
- CMP #$01
# R' }; f- k2 P! O% t9 g2 n" [5 i - BNE Track_Enemy_Ex_Continue
( A- L8 T" ]+ X2 X -
2 f4 c- `/ _; ]! S1 I5 f$ p. Y - LDA Track_Enemy_Index,X) {$ D2 Q2 d* f2 k) t6 {# K, n4 p
- CMP Enemy_Index7 V+ L. Z n5 o8 \4 [4 h
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标" H( R% C9 N1 e) Q' F8 ^
-
& L9 x; i3 X0 f2 f! j+ r2 ? - LDY Enemy_Index; W4 G$ o0 H9 @: [/ u1 A4 [3 R3 P& j
- JSR Track_Enemy_Ex_X4 g7 L5 p/ @% E9 b/ o/ h+ G& Q
- , c" Z; S) R! {, v& ]
- Track_Enemy_Ex_Continue:6 w& l2 G' G5 X4 e1 ^
- DEX! R$ E7 ?3 K, x: O7 H( Z3 S
- BPL Track_Enemy_Ex_Begin
$ N% o2 \6 O+ t1 Q, W$ j - Track_Enemy_Ex_End:5 ~; [7 T q) ^
- RTS
! o# g# V, n5 B n5 U& p0 U9 ] - 6 Q/ ^1 Q3 |# h" w( _2 i
- Track_Enemy_Ex_X:7 u- w( \) k |: D
- ;LDA Bullet_Z_Pos,X
: O/ w, L/ i# D4 Z% @7 O - ;CMP #$04$ `- F9 g5 Q j6 X9 Z2 u
- ;BCC Track_Enemy_Ex_X_End
* t' j1 g8 A r5 d1 d+ m R - SEC
$ S( {8 ]1 h3 W3 a% q' I) I - LDA Bullet_X_Pos,X
4 ?2 i- P% z) F4 F$ C; Q2 N - SBC Enemy_X_Pos,Y8 a0 t5 Y! ^4 C. a
- BCS Track_Enemy_Ex_X_Greater( F1 g: o: C, b% y5 R
- , X/ y0 f% n: K- q$ P; @+ B5 }- U
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X4 o# ^: B% H/ x6 `" h H/ q. u
- CMP #$FD
8 M+ ]; |5 e4 k" o7 ], o - BCS Track_Enemy_Ex_X_Less_End
h: c* o6 r' D- R: K - LDA $6020,X
# J/ b7 Q* g2 x - CMP #$2A4 a2 X0 Q% ~' |- w+ ~: h" ?& l
- BEQ Track_Enemy_Ex_X_Less_L1
7 ]( P) }% U; f1 S' }% S' w; z - LDA Bullet_Z_Pos,X1 e( H" ]# {8 x
- LSR
* h4 w& a- A+ j o, X1 q - TAY
: t3 |: T0 \% ?) F1 G - LDA Bullet_Speed_Data_Ex_R,Y% N j* E8 M5 V8 z/ E* @" U
- STA Bullet_X_Speed,X
& ?$ b' R! n+ v+ v$ i - RTS
' f, a" s1 c* P- z - Track_Enemy_Ex_X_Less_L1:
3 Z2 m; ] r3 R) O
0 `, `' U w; E! T+ |, U2 `- LDA Bullet_Z_Pos,X
9 p: D: s- ]+ ^4 p - LSR
" c( n9 ~' [$ W - LSR+ y0 {( E# f" H
- TAY% L" j' v( W- _/ |
- LDA Bullet_Speed_Data_Ex,Y
- y$ o3 G; g5 H* j - STA Bullet_X_Speed,X
. s' J( D1 x6 R1 s3 c - RTS' W" U' d) l* \' F: ~
- ( Z6 h# [% t! y/ H$ m# Y
- Track_Enemy_Ex_X_Less_End:, s1 q. d7 v6 H9 N- Z
- RTS; V/ Z- n7 d. G$ Q4 T/ H: p C
. B) X6 k, S' x) t0 h' s- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
. e, k) Z9 U. U! |( p: x% K - CMP #$03
6 r: {0 o' g' j- ?, g - BCC Track_Enemy_Ex_X_End
4 g2 a% \, n( J1 } - LDA $6020,X" s! L2 c8 y1 J( d) q
- CMP #$2A
# V* z# Q Q& V0 `5 K1 P6 ? - BEQ Track_Enemy_Ex_X_Greater_L1
9 E# a3 ?4 m, \" Y) G$ _ - LDA Bullet_Z_Pos,X1 V5 y$ M: V8 ~5 W* v
- LSR3 z7 Q1 W: ^ g+ D! x+ a
- TAY G7 g* _0 P9 `- U
- LDA #$00" p8 |/ _9 h i/ l9 d9 h
- SEC
3 Q( t+ @; F, P. k4 ` - SBC Bullet_Speed_Data_Ex_R,Y$ J- j3 r+ k i ?- g7 K
- STA Bullet_X_Speed,X Y2 i% e |1 i7 l" t) c5 z
- RTS* r5 z) ~3 s! m9 r2 J* b
-
9 G) D" x0 o4 k - Track_Enemy_Ex_X_Greater_L1
! h; n* \- C: Z% b - LDA Bullet_Z_Pos,X ~# ^$ w) X2 y+ J5 p- J' Y0 x
- LSR
+ s3 ?9 g% H# I" N - LSR. d% e5 v' {- k9 ^9 c% }- {
- TAY
5 h% ~( P- A b! e; a, R - LDA #$00
; I' ?. ?0 R; Y) p4 w - SEC+ @- u9 B4 z6 U: P( [
- SBC Bullet_Speed_Data_Ex,Y3 Z, ^4 W' K8 ?, f7 U7 N
- STA Bullet_X_Speed,X) A" k2 `3 g$ O* N l
- RTS! z3 c) r( Q8 x0 F0 X" ~
-
0 E2 h6 E& x# g: W% q - Track_Enemy_Ex_X_End:
" |* P* X# u8 |( J - RTS+ v; ^( [& \- ~& ?
-
9 b3 u- M1 ]! P( b7 R' `2 I- \ - ;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)
+ }' Z9 X* B* I. c0 { - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上7 w5 H' l# N7 w5 H8 R+ c( S
- Bullet_Tract_Direction:+ W0 a& A2 |7 t. v1 X6 ^$ E7 v3 g' D
- LDA Bullet_Icon,X6 s2 `$ l9 o) v" A' o
- CMP #$23$ P0 i" D6 M7 w/ P2 v' p8 P; ~0 s
- BCC Bullet_Tract_Direction_End m( j' u0 b. T8 ~% i' H
-
6 P$ ^- o5 ^ l- Z1 W+ C/ k$ R - ; X != 0. Y* Z% _3 K. u) v' ?8 |2 D1 G
- LDA Bullet_X_Speed,X$ t7 c* k1 g: ~) [* P3 X
- BEQ Bullet_Direction_V9 d% _& E% Y5 Q- S1 N* h
- % p3 Z \. z5 u1 x- ]4 C7 s
- LDA Bullet_Y_Speed,X0 u9 R( ~7 A! J
- BEQ Bullet_Direction_H- Z" `3 `: J" p; o* i' g+ Y i
-
; N0 i8 x* O% [* q4 v* l) E' ~ - LDA Bullet_X_Speed,X
0 [& P* ~6 U: A. i1 q2 Z$ B - BPL Bullet_Tract_Direction_Right- w3 U2 ^$ P) x6 w' p4 ^
- Bullet_Tract_Direction_Left:
5 }3 U' v( Q6 |6 _0 X - LDA Bullet_Y_Speed,X5 k- D8 W" w( }' k. t+ `# g
- BMI Bullet_Direction_Left_Top+ N$ _! C0 _; `5 W
- BPL Bullet_Direction_Left_Down
( p8 u6 d2 y' ?- l0 q" }8 x' O - Bullet_Tract_Direction_Right:
% H5 s! C' y5 [/ {3 k" d! g/ q - LDA Bullet_Y_Speed,X- v% S& R8 \: n3 Y
- BMI Bullet_Direction_Right_Top
' s& u* Q! U: f - BPL Bullet_Direction_Right_Down
1 E! F5 K1 W8 R7 k" \ - Bullet_Tract_Direction_End:% t7 c2 |- U4 q( P
- RTS
1 [4 {3 V5 a) l5 Y - # l0 Y) x; Z2 F, U
- Bullet_Direction_Left_Top:+ Y! f. M% Y: ?4 t
- LDA #$25
@# \5 l5 X7 @4 A9 G; G6 f! O3 t - STA Bullet_Icon,X% w4 X' Z0 D5 ]# p
- LDA #$C0
3 x8 f( I* x. l8 i* ]$ b; e, Q - STA Bullet_Direction,X' o3 h* ^! ]5 W2 Q; o+ L
- RTS# _! h- f# Z- c! o( ^
- " q4 M" e9 Z) D
- Bullet_Direction_Left_Down:/ H% T. i4 R9 r) a( n; ~
- LDA #$25
- z. b4 r: @0 n" Q. y7 s - STA Bullet_Icon,X% P; e V& a" `' i1 @& M8 ?. z
- LDA #$40
- m" Y' v5 F2 z% T8 q, K# t3 J - STA Bullet_Direction,X
. [( A* C! w( H1 |) @4 h - RTS
; n0 s; @$ l8 I' U - , l) v0 m7 ?* |; ]6 k. l
- Bullet_Direction_Right_Top:1 {# ]" m$ P3 [, L/ v
- LDA #$25' S5 N, ]1 |) B9 z9 f% H. z1 r
- STA Bullet_Icon,X) _) J0 }# ^7 x' @
- LDA #$80, N1 J$ G+ F0 r# f9 \8 ^4 X- `
- STA Bullet_Direction,X
?3 I- o( L5 m( A: F$ ~3 b - RTS
: ], A9 Q; ?- L0 @' c8 Z0 x: ? - 3 ^3 g3 z1 w x: s0 i7 ?6 {
- Bullet_Direction_Right_Down:& E$ }5 H* b$ G+ ]2 V1 ~, n8 F
- LDA #$25, D) ]: m, ?6 P' K/ L
- STA Bullet_Icon,X
# ^$ N" W! U+ M. K - LDA #$00+ ]2 a3 E. H: t/ T1 G; s& m
- STA Bullet_Direction,X
]4 y" X1 D2 N$ C6 ]2 ~' H9 i - RTS
+ R; G# w) J. v. s0 b& b
. q3 B" L2 c) G% M1 b- P2 Q% n8 {- Bullet_Direction_H:
2 |2 g8 `8 X) ]* S! I' F2 l% X, | - LDA #$24
6 ~: o. P' ?1 f. E: x - STA Bullet_Icon,X
# m7 L" B& ? C& h, c - LDA #$00
/ k0 s" a8 n8 O - STA Bullet_Direction,X
g' Y. C" B' D) L* M: [- p - RTS
3 ~" j8 V& ?2 k0 |: B1 z - 1 \# L# Y$ s2 M/ Z$ h9 S
- Bullet_Direction_V:
4 U. g/ k9 n! m' U - LDA #$23
4 _( \& i, |2 Y) j2 ?/ c - STA Bullet_Icon,X4 r3 A' M/ h* S" A
- LDA #$00( I0 X8 g, b _7 p0 l
- STA Bullet_Direction,X
. q5 d# \5 s* g3 Q7 l5 \ b - RTS+ L( F" n8 v. r/ v' L7 w8 G
$ L) w# \3 b6 v$ q9 b' c3 t- Bullet_Speed_Data_Ex:
9 K8 b3 s8 ?6 a* d, |3 x - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04/ T% {- c2 |& m+ ~
- & e" W9 n, {2 `
- Bullet_Speed_Data_Ex_R:
. Q7 s3 E# j' r* h W3 \ - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$088 R5 R( a; s; i$ x/ O
-
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/ A, k) W$ u2 J% y$ t
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