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[FC][魂斗罗][J][追踪弹]
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时间:2023.04.30
+ \# q6 I/ L9 H' M% z0 {3 J8 [作者:FlameCyclone# s/ W. w7 E- b* q9 @
内容:
/ ?; H w' u6 F* N" ]# R8 i. p- {0 X6 X 1. 所有子弹追踪敌人
( S# [: N2 U# m- z% f 2. 选择键切换武器
, M4 c. x$ N9 [/ F2 d; n 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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4 t9 }: Y+ z6 @# ~7 Jflamecyclone.ys168.com5 C& O& f- ^- {# r) G5 p( h

; K2 b, K q* w8 G, s- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
* H* U/ d2 R1 X/ \! C' N# H- H - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L. \+ k7 e4 R3 G/ I& g j
- 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 = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
5 ~7 l; w6 u: H$ O$ f - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
. s2 d, x5 h" h3 t - " N( }* ~/ s% ]
- Track_Enemy_Index = $6000# J1 l9 P( h1 D/ B/ ?- M: U* B
- Enemy_Index_Begin = $6010
( I. o8 M4 \' k) D5 o6 z - Enemy_Index_End = $6011
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- Loop_Index_I = $6012
5 Y1 O- G& Z% J$ J# z; T - Loop_Index_J = $6013
8 @: n; v8 K: h6 w" @0 l2 _' Q; B - nEnemyIndex = $6014
* k4 o7 b: r2 G - Data_buffer = $6015
6 K' ?+ @; I6 R3 p4 C. \: r0 {
; h S. L( ~! T" v( h5 D1 `- Bullet_Y_Pos = $03B8 ;子弹垂直坐标5 a9 {* |. M" n, y
- Bullet_X_Pos = $03C8 ;子弹水平坐标5 j5 H# ?& @! {+ F, u. S
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
' c& e; W2 a; a - Bullet_X_Speed = $0408 ;子弹水平速度
4 n$ X. \- w" b) O - Bullet_Z_Pos = $0418 ;子弹Z坐标
/ t* U0 k W9 q' m - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P7 P0 F0 F1 S! b ?' H$ p
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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
) q0 E9 q6 P6 Z) \; c! q/ B% z - Enemy_Blood = $0598 ;敌人血量9 S. X7 `6 z' Y- p* o
- Enemy_Type_Addr = $0528 ;敌人类型0 W- z6 v6 k4 ~( V& ~% o4 }; G# |
- Enemy_Blood_Addr = $0578 ;敌人血量
! U. m0 S5 p! p( Q& M2 O( A5 u - Enemy_Y_Pos = $0324 ;敌人垂直坐标3 l/ `* `, l3 V' k* i( ~4 C
- Enemy_X_Pos = $033E ;敌人水平坐标
4 K5 c% n$ Y0 q4 o - Enemy_Y_Speed = $04E8 ;敌人垂直速度
9 P6 s' P% A5 R+ t - 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
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- Enemy_Index = $83 ;1 E& Z. t7 ?$ l$ ], R' q1 K& y
- Time_Count = $1A2 @5 D$ S# _4 P |0 n3 D6 m/ J( \- n
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
8 t$ o! ~9 a& I, @ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- 9 ~5 F; e0 }$ |" E$ v
- .ORG $6100; g" s# f: k) M1 W0 m6 C }
- Process_Begin:+ K, D: S' c: [; S9 ]
- JSR Enemy_Check8 R* d. z% q' `4 [
- JSR Track_Enemy_Check
# z# e3 p$ m3 S6 |# ] - Process_End:
! v2 {+ d X/ [8 q - JMP $E54F
( w. u9 ]' T4 q- k. O, i8 N& K1 f - 8 A. l; M. x7 E5 Q
- Enemy_Check:7 V2 `$ D( A" |1 {( o
- LDA Time_Count( y$ p6 H5 h. K+ V8 C
- AND #Track_Bullet_Speed
7 F' x) W3 m8 T } - CMP #Track_Bullet_Speed& }* p2 V( e& z) ?
- BNE Enemy_Check_End' q& |8 Z3 W3 o( l! o/ E" ?0 w
- LDX #$0F
. v# M/ e3 N: J6 X5 i1 O3 q) R - Enemy_Check_Begin:' i6 K& G, b* v) t( x
- LDA Enemy_State,X
% w+ J8 P% b B! v' h# x F& G- e - BEQ Enemy_Check_Continue
C. X( V& u" Z - STX Enemy_Index4 D4 P+ t+ o- D
- JSR Find_Begin_Enemy
; T0 V! j$ Z; i0 T - JSR Find_End_Enemy
{; d7 {8 O% n' m: u; p/ D - JSR Bullet_Track
% \( O/ F3 w1 l$ {* J8 u -
9 D# R) @# p4 X6 M% B; ^, o - LDX Enemy_Index
& _ c* Y) s U5 s - Enemy_Check_Continue:( N4 e6 g/ r2 K- w
- DEX( h, [9 m1 m: t# t
- BPL Enemy_Check_Begin
, D* X, u0 C4 u# C) i - Enemy_Check_End:. I9 y; J. A+ w$ Z% h
- RTS
5 V A" G' l( B' D -
) C- l, x2 ]0 G8 r: m, N8 B - Track_Enemy_Check:! w) G5 L+ b4 n2 Q2 j, H
- LDA Time_Count
, Z( m6 n% Z! z - AND #Track_Enemy_Speed
% j& v& K$ Z" v0 ]. L. `' z6 J - CMP #Track_Enemy_Speed2 u, ^( P, q" F- h8 ~( d# O
- BNE Track_Enemy_Check_End- u* A% a' s2 U6 F( G
- LDX #$0F2 c; `. s1 u% t) l+ b6 [, D
- Track_Enemy_Check_Begin: n$ p: ~+ T/ {5 S) ~, O: |
- LDA Enemy_State,X
6 i9 N6 H) ]4 ~* j K( u8 f1 Q - BEQ Track_Enemy_Check_Continue# {8 v' |7 _: b0 ~" e7 ?
- STX Enemy_Index/ f5 |( ^+ \/ v
-
1 k! s" _4 Y/ F8 c - LDA $40
' H( k b: |% |+ }5 l/ P' i - LSR
) k* q. Y% k0 t7 P. C, z% s% h - BCC Track_Enemy_Check_Begin_L1& N2 J7 v8 |4 a2 K/ G/ e/ B
- $ \4 E; q* Y2 o
- JSR Track_Enemy_Ex ;2, 4% n. s& q- S6 J, [" o
- LDA #$00
! |) P6 y& w1 x - BEQ Track_Enemy_Check_Begin_L2, F) \' c9 m( t. q& R
-
) y, c2 X. l( W! {. W# ^ - Track_Enemy_Check_Begin_L1:+ i- \% z3 ?* W) v \+ k
- 0 ^- I) d! a3 q; v
- JSR Track_Enemy, u; h# X. P! i, v6 J
- + j- r2 t8 p; }, A
- Track_Enemy_Check_Begin_L2:/ O. `$ L. v2 W+ S0 a" O
- % L/ ?$ k/ a# e9 a a
- LDX Enemy_Index* E3 Z; `- q6 H: g- O
- Track_Enemy_Check_Continue:6 H3 I3 [( B9 r9 F/ n- \
- DEX$ `, T# Q6 N( U/ g& \7 t
- BPL Track_Enemy_Check_Begin
8 e; A" A9 N+ B. u6 ]. @ - Track_Enemy_Check_End:6 e- J3 T4 J0 @; B- e) N! e! _
- RTS
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$ A9 Y$ c/ ?% `6 ^4 b2 e, ^( B# T- ;查找第一个敌人& h1 ]' T0 h- t
- Find_Begin_Enemy:
9 y0 o& e% Q' ? - LDX #$00' s+ I% u; H, W( c# m t' w6 \- t- R
- Find_Begin_Enemy_Check:( P, ^% Q& s% O' @9 ]
- LDA Enemy_State,X
5 v W Y: |+ ^: g, \3 \! S4 F - BEQ Find_Begin_Enemy_Check_Continue3 [9 {2 C' i/ S S
- LDA Enemy_Blood,X' u- [& p+ e) V: s P1 v- q
- BMI Find_Begin_Enemy_Check_Continue# K& Z) Q9 b# Y+ p- B! @) R5 Y
- BNE Find_Begin_Enemy_End
8 M5 B, y0 K/ S# h -
r9 T% d) V3 [& n - Find_Begin_Enemy_Check_Continue:1 d: S- t& ]% M, s! D# g3 U
- INX+ k& `( d+ ~5 O8 v# l: G c4 ~
- CPX #$10
/ B: {9 b) F- |6 D6 n m0 a& w1 i+ d - BCC Find_Begin_Enemy_Check* c% G" i7 v) A0 f1 ^
- Find_Begin_Enemy_End:
- M X! }8 g8 h2 y: q; _ - STX Enemy_Index_Begin
, p: F" E" ]: ]! y/ {1 U, c - RTS3 l8 j! d9 }, W4 E+ t, I
! t: X3 f' C4 P, ^1 `0 z* Y" r* _- ;查找最后一个敌人$ a6 z& l# W7 f, ~/ V
- Find_End_Enemy:# W% s# {$ Q6 W- S$ o0 |( |. v
- LDX #$0F. X( T+ |6 `- J# x0 A
- Find_End_Enemy_Check:" D# h! p/ p$ m' }8 \
- LDA Enemy_State,X
}' R- t2 A' ~3 q& j - BEQ Find_End_Enemy_Check_Continue% o3 O6 d8 b7 z$ J; j% Z l) X7 N" s
- LDA Enemy_Blood,X# I3 b! W$ T( i) j! u0 t# ~& \- L
- BMI Find_End_Enemy_Check_Continue
8 i4 E4 _2 L5 K- ^ S - BNE Find_End_Enemy_End
2 v2 {. m/ v7 U( n -
W5 w. s4 T1 J; y, ]& n - Find_End_Enemy_Check_Continue:
. X3 Q3 O$ a' w - DEX
* \! s1 a) u% J( O' Z- W/ ^2 X) v8 l - BPL Find_End_Enemy_Check7 m3 f4 J5 J1 q" h5 ^
- Find_End_Enemy_End:1 _3 ?1 _0 V, O& ^; f+ e
- STX Enemy_Index_End1 T( H& [3 U2 r; J5 g I8 d0 @
- RTS' r7 j2 @! d' o a' k
- % {* e# U5 r. k$ r5 V/ f8 R- p
- ;子弹追踪
1 t5 X Q& u2 L1 T - Bullet_Track:
& k( |$ d- l4 v* Z2 O5 k% k( Y - LDA Enemy_Index_Begin
' X* y% o( W! g- D - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;" r2 |; l1 N9 ~3 r
- LDX #$00 1 j6 n) j" Q' l( m
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
5 r: F/ b* U+ w - LDA Bullet_State,X* e( ~# G6 I" b: @( t5 Y2 y% a
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;" d) C8 s9 e/ y! m2 n# F. O' ]0 P
- STX Loop_Index_I: `1 n; x( |! V6 c3 O5 N
-
$ O- k5 p- b# m' i+ c2 L - JSR Bullet_Track_Enemy7 z1 U. P5 n1 X: {# N
- JSR Bullet_Tract_Direction
' {: P$ {6 l! j" e& O# _) V) J -
$ a$ N% P* Z" @" A0 @. m8 q- i - ;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8 G. u3 }( z4 h9 s/ y
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
2 s& c: _) L# w9 b7 P - LDA nEnemyIndex4 w4 X9 Z; _+ J
- CMP Enemy_Index_End* R+ \( T) L. j4 l6 U
- BEQ Bullet_Track_Check_Continue- v: f; A& O3 A; ~) x$ q
- BCC Bullet_Track_Check_Continue
9 V& b. u! P: }: V. v4 p) M/ V1 c9 A - LDA Enemy_Index_Begin) y, Z5 G- ?" Q% Z4 y; Q
- STA nEnemyIndex2 q8 t# _& _* u, @) j' n
- * @. @0 W2 M& B
- Bullet_Track_Check_Continue:8 B( A! _. w1 X s+ ^- p
- LDX Loop_Index_I
# R/ r6 ~) \/ f, R2 A) q - Bullet_Track_Check_End: c+ |9 Q! t' h) g
- INX7 V3 c) T7 x6 s+ m Z
- CPX #$103 m D# b, C' }* C5 t. F) J
- BCC Bullet_Track_Check
7 h2 h2 |) ^, H( D" A; d I - Bullet_Track_End:
G- h. N2 t6 J) X ? - RTS
( z# G6 L0 p+ S5 C" _- S: ] o/ _ - # h: k5 _: y. r& R. V
- ;给敌人分配子弹+ L4 p. ~- `# [( X6 X9 v/ D2 P, s
- Bullet_Track_Enemy:8 H2 d- \* a1 [) J$ k: {
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
6 d, j! }; o( ^( ] - Bullet_Track_Enemy_Check:
0 h& U8 y! ^2 {# H$ M1 O: ?# _ - STX Loop_Index_J- R; m6 M; v* w7 {% e
- $ _3 L3 D4 h y4 w0 k( A! b' ?
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
; }! q' f% y8 }+ f* x; J - LDA Enemy_State,X- N. L5 S2 q9 B% ^3 c
- BEQ Bullet_Track_Enemy_Check_Continue8 g. I @5 A2 C/ i
- LDA Enemy_Blood,X, Q8 X# V6 f$ j4 M% m, ^4 p4 ~
- BMI Bullet_Track_Enemy_Check_Continue/ S5 r3 I; v; r; k3 S+ S; R
-
1 ~! n5 w, Y5 P5 x' ?9 L - LDX Loop_Index_I
6 i6 P) h) B: @8 \# s- s9 { - LDA Track_Enemy_Index,X: d/ U% i/ J7 P% O4 \' Q
- CMP #$FF x2 u2 x5 V! v
- BEQ Bullet_Track_Enemy_Init
3 R7 o' W v' _, n/ k3 N5 U -
: t1 Z! D9 {& y5 G+ E3 X - Bullet_Track_Enemy_Init:
4 ]+ H; V2 z2 k/ \7 ` - LDA Loop_Index_J. R/ r5 J9 D! M8 q( w
- STA Track_Enemy_Index,X ;nTrack[i] = j;
8 \( B9 i. C$ O -
9 T0 [4 j4 i, E& {8 @ - STA nEnemyIndex
7 Y+ V: |$ W" g; c - INC nEnemyIndex ;nEnemyIndex = j + 1;/ W. j; a' {8 z( x0 t4 D/ _
- RTS ;break;7 [) L7 ?: R+ s
4 g' s7 Z% g9 `: K- Bullet_Track_Enemy_Check_Continue:
" t9 G( P( @5 s+ J - LDX Loop_Index_J
# v* g/ q R% u/ L - INX ;j++
/ r- F4 M6 V$ ]# B - CPX Enemy_Index_End
8 O1 I3 m4 t7 h% v; d, ^ ? R+ Y - BEQ Bullet_Track_Enemy_Check
& f6 K( H% v! H- W$ Z# ]9 T0 `/ l9 z - BCC Bullet_Track_Enemy_Check
8 Q( N2 _0 ^5 @5 B f1 h. w! K7 m - Bullet_Track_Enemy_End:+ T) G# J* _% z
- RTS/ r; P9 j( e. h
+ j- X+ t8 d- D0 @" z$ C- Track_Enemy:3 u2 q: o( t* ]
- LDX #$0F9 N$ h! N; Y& p: ^
- Track_Enemy_Begin:
6 X% f7 ~# s3 ~& b% r - LDA Bullet_Icon,X
. ?. Z' j7 F9 f5 k( p - BEQ Track_Enemy_Continue# a2 p% Z3 T, @5 `8 w( l
- LDA Bullet_State,X2 F2 ~0 @$ i' L* U5 M# j, ~
- CMP #$01
( x. h) k% k4 h6 S% l2 h - BNE Track_Enemy_Continue: o/ Y; o* Y- q) [% f% {! D5 e. M$ e
-
7 w7 Z* `' U* G9 v - JSR Track_Enemy_Process) ?: i M h0 t& A: B
-
( i3 T" p4 ]' M! ]5 t- Z. R! x9 W - Track_Enemy_Continue:$ b% H0 w' `; ?: X
- DEX U9 S' J, [) x6 y
- BPL Track_Enemy_Begin; j; T- m/ u0 q/ t7 o
- RTS
4 P5 T" l r1 P - % k; i( T+ f7 S) Q& s. W" V0 J: Q
- ;普通关卡
+ M2 m* C, A! |( x8 Q" u - Track_Enemy_Process:
" F; R- H# R$ @* M% _ - LDA Track_Enemy_Index,X
3 f3 k* H1 n; r5 s$ G - CMP Enemy_Index* t! g8 N5 P6 O `7 R3 ]3 R
- BNE Track_Enemy_End
; n- o7 g4 K8 m$ y - LDY Enemy_Index
3 s$ h8 V# E6 b5 f - JSR Track_Enemy_Y2 J' z* y( L6 M0 _
- LDY Enemy_Index
. |% o3 G5 i4 k: Z# o6 O - JSR Track_Enemy_X
/ b) A) m" F: m) P - Track_Enemy_End:$ G; y: m0 [8 g4 N. @/ X
- RTS
$ ?; }! r0 }, Y* H1 I -
" G! c5 g6 O n+ W/ g - Track_Enemy_Y:
4 n( }4 `9 \8 }( D8 H - SEC. q* g* _6 B, u+ i; `7 f6 P0 m
- LDA Bullet_Y_Pos,X
9 ?4 e4 b0 U6 G - SBC Enemy_Y_Pos,Y
, R i7 L- H% i1 [: j" C: }3 ~. ? - BEQ Track_Enemy_Y_Equal: o0 n- @ `% X I2 a
- BCS Track_Enemy_Y_Greater
0 M4 |: p7 m2 X D$ e' F -
% q1 @1 o. M+ d" `) \% {$ u4 m - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
# f7 T3 e1 l/ f1 y; I - CMP #$FC
8 c3 `4 a8 I# j' K3 ?' q0 w - BCC L1_1/ D v+ W( j+ b& \) m9 }1 S
- CMP #$FE* N- I% x+ n' M$ {7 N
- BCC L1_2+ [ `6 v# n7 f3 g" Z
- LDA #$00- Y; ` W$ O% j' I, v+ y( ^
- STA Bullet_Y_Speed,X( }' o$ c& v' f
- RTS2 b& H; W1 C7 `) V
- L1_1: $ X! A2 Q5 D3 B2 p
- LDA Bullet_Type,X8 V" g$ n$ f; U q' v5 B- Q2 S
- AND #$0F6 p8 W8 }3 {8 |
- TAY
1 v2 J Z0 S; F9 y) O0 k - LDA Bullet_Speed_Data,Y9 ~7 w1 k" Y5 j2 ~8 C- X7 s
- STA Bullet_Y_Speed,X
! N" N2 ^$ H' P# Y1 b* x - RTS, C, |. ?/ b4 T5 B: K* j
- % c* C6 T) g4 `9 J# L
- L1_2: ! |/ _# W1 q6 G4 G/ j8 ]) `
- STA Data_buffer
& I8 \/ Q. A' F" w' p7 Q8 f8 V& ~ - LDA #$00* s- ]$ a# u+ b4 `4 g( C% c5 k
- STA Data_buffer
& Y. u, n- `# F - LSR" }, d" Y2 z$ i; m5 e
- STA Bullet_Y_Speed,X; i1 m- [: p8 K; e/ O4 U
- RTS! ^# _3 h8 I" Z
0 q. _7 ^) b$ h% R9 k/ g- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y9 k- O( \% O9 Y; s& S8 @1 x" L
- CMP #$04
, ?6 Y% I6 J. B/ H" y M; h9 p - BCS L2_1
& ^/ t0 k% M4 a8 d1 g) e - CMP #$04$ U0 b* J1 A/ a P$ O m
- BCS L2_2
5 U7 H% W9 e- N+ C/ B9 L0 C8 `) F - LDA #$00
( V" d4 U) i! g6 J, F9 E+ m# @ - STA Bullet_Y_Speed,X/ y+ G1 }" @ }$ Q
- RTS
, H. _. i l1 l - . I7 K; L4 u c9 b! D N: u
- L2_1:
. s! i9 q( }9 @+ Q' n X1 @* _ H: R- | - LDA Bullet_Type,X
2 j' o9 ?$ [( K+ r( {; }8 ^ - AND #$0F( ~1 N7 ~1 X* D9 P4 c) u; R3 {
- TAY( N |+ {# m1 [, p9 N
- LDA #$007 g: N" M/ G+ N/ f* t E
- SBC Bullet_Speed_Data,Y
2 n, Z; w3 S: J3 |7 X& r X - STA Bullet_Y_Speed,X
% S: t! f# T" [, r6 @* m - RTS; u7 e/ R& Z' I3 I8 P; N
- . K2 y! V/ \+ Y1 F! s
- L2_2:5 D4 r% ^% T* l2 _1 [7 ]' |# ]6 }
- LSR+ P1 j6 ~# S" g2 _4 K( J% z) Z
- STA Data_buffer
2 s% w2 n4 r1 E1 K# m+ B - LDA #$00# x3 j, F6 Q; \/ R+ @0 g H
- SBC Data_buffer
. U- ]+ |3 ]* m( K - STA Bullet_Y_Speed,X
: w' u7 [+ Y, K) J - RTS
b6 k* [! J }0 T! z) Q8 H# x - ( p% n$ Z5 N) Z2 j+ V
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
; u0 I' `7 q" q8 `8 O- [ - LDA #$00
0 t. O( T7 F' h9 J% \ - STA Bullet_Y_Speed,X9 _' U3 E! m! D' B1 A6 ?, W
- RTS
1 X8 [7 v# W7 i! R2 [0 J2 V; t -
9 X# O% H O, N j/ X/ G9 ` - Track_Enemy_X:
$ X# A# o3 o/ r4 ? - SEC
% M' u7 w2 v, T) E# R$ F6 W- C9 { - LDA Bullet_X_Pos,X5 j: h A6 u* c' c" b
- SBC Enemy_X_Pos,Y6 {: I7 {5 A% B, f, w
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X3 ]/ u7 f+ j2 E2 c7 u
- BCS Track_Enemy_X_Greater ;子弹在敌人下方' ^4 `8 x# u% j* }9 W
-
+ P4 ^% R+ ]0 p) s4 { - Track_Enemy_X_Less: ;子弹X < 敌人X9 o4 q8 t) _# @: i" T8 X
- CMP #$FC8 ]$ N; l8 d& j+ m2 F2 X
- BCC L3_1
2 A: a$ Q9 y& e; x - CMP #$FE
7 a2 ~: Y. ] M$ G8 ~" M - BCC L3_2
/ N3 z ~& K$ b. X. V; w! ?) O - LDA #$00
( _+ s4 |2 c( ?7 Z; K6 N+ a, s - STA Bullet_X_Speed,X
( e1 R) @' s M6 ?. B" w8 [# [ - RTS
8 x" h8 L$ L2 D6 b3 Y6 U$ G - L3_1: 6 H& i- ~* Q4 L3 p9 A9 S0 n
- LDA Bullet_Type,X, e" M+ j" v. g+ h* T
- AND #$0F& f. N, l! ?4 w) O8 E$ @6 }
- TAY
- {% P. W7 R* R - LDA Bullet_Speed_Data,Y" F- } M( L; `% h' p! W* A: G
- STA Bullet_X_Speed,X. ~9 D" |5 V5 J. S" V
- RTS% s' g- ~* |% I" f
- L3_2:
$ r0 f4 r# h8 W+ O. J' C5 \ - STA Data_buffer
i# o) v2 p9 p - LDA #$00
1 S/ r, _) L2 i. q( R$ ]0 }/ v5 } - STA Data_buffer
% l' t* ?0 u' B0 | - LSR
' a1 {! w; o9 [2 H" s! i) a, I1 }+ ~ - STA Bullet_X_Speed,X
3 t: a# C+ G9 L- G8 J - RTS
8 \5 S! ]: c9 ` {0 k: ] -
6 k Z: z. q* N8 x# q q4 B - Track_Enemy_X_Greater: ;子弹X > 敌人X
3 E. m+ Y& o( x3 K. H, n - CMP #$046 _" U0 w% [! @+ k8 ^2 ?. A7 N+ S
- BCS L4_1
: E1 U; s+ _( C8 J, q6 m' T3 u. \ - CMP #$02) R5 u% W: r& o* q
- BCS L4_2% U. Q* X# H$ W& v1 i, k% Q; F& f
- LDA #$00
9 ~6 ` T# M0 {: D - STA Bullet_X_Speed,X
- K3 z. z% ?9 m$ d - RTS
( Y/ _" t/ G( R, ~ -
8 k, O2 j; _( E) R$ p' j8 J - L4_1: . m9 c$ L: @# J4 H7 q; _6 m Q
- LDA Bullet_Type,X5 ~/ I! n6 ?+ {2 W& v
- AND #$0F
1 |- s/ K' w1 u; T - TAY
|" C+ B4 `' {; O+ E - LDA #$00
# l. d. F0 z' t3 X - SBC Bullet_Speed_Data,Y
6 U0 J& |" J2 z* @$ i - STA Bullet_X_Speed,X
5 u& r* T0 p$ B* d& Q A. Y9 E v, @ - RTS% b2 Q- `2 n9 n1 ]* V
- L4_2: . p, l4 [ Q- M+ o7 r
- LSR
1 Q: a3 O8 X F2 V5 u- | - STA Data_buffer
4 M: y. S5 W& B5 U - LDA #$008 ^6 [0 d# a9 a: l+ t! V' W
- SBC Data_buffer4 {6 I1 j- \) L- |& x
- STA Bullet_X_Speed,X$ s( D' E! A$ U8 p; w1 c2 u
- RTS1 F% t5 t) G9 t. B; G
-
' I* j" `$ u$ z8 ^2 W' h$ \ - Track_Enemy_X_Equal: ;子弹X == 敌人X
) n# `/ t3 Y) a* J) A" ^$ s$ ~ - LDA #$00 e* e+ m$ c" L' v
- STA Bullet_X_Speed,X
3 v# P: o4 X W; J+ m$ T - RTS- t, w3 \+ q& H- b. J$ K8 g4 _
- % F7 d; G \ y+ q9 v
- Bullet_Speed_Data:/ h. G1 m. t' t2 b
- .DB $00,$03,$03,$02,$03,$03
5 ^; ]' N* \+ X8 b* U - - H1 D' i4 K! [8 u7 t! m
- ;2, 4关) ~. N; ~0 d+ [
- Track_Enemy_Ex: ]) Y0 H% E2 U8 Q2 b% ~2 \- b: P& p
- LDX #$0F
+ f' u9 }( m- P1 _- b - Track_Enemy_Ex_Begin:, O) B4 I3 \7 U% r5 @
. `( d2 o" s( G- LDA Bullet_State,X
% a: ]. X) c" [3 h- }* S - CMP #$01
3 D: M3 b& _( P1 T$ h& S - BNE Track_Enemy_Ex_Continue1 A9 f! N0 m. S2 I6 E
- 0 |* d5 A5 T/ c E2 L8 i) h5 D0 V7 l
- LDA Track_Enemy_Index,X, n Z2 b8 `& X) u) \
- CMP Enemy_Index
4 q* E( T4 ^ k) u+ D, n - BNE Track_Enemy_Ex_Continue ;匹配追踪目标( _/ s8 w+ `, S3 h, D/ P
- 5 ~( u5 x9 A3 u Q
- LDY Enemy_Index9 V4 ]) R( C8 F* f/ J- F# S
- JSR Track_Enemy_Ex_X) }- H o# a3 x3 o+ |3 K
-
- ]: R6 Z$ k; K7 b0 @7 M1 x - Track_Enemy_Ex_Continue:
" A% @5 ^$ z" g0 g$ n5 p# ^; M) p - DEX
" E9 u8 V- |9 u2 N - BPL Track_Enemy_Ex_Begin! A: i; `8 {9 c+ |1 Q- w; z
- Track_Enemy_Ex_End:
5 Z* i) C. c% [- t" Y6 \ V - RTS
3 z; d- g) @' ]/ s7 F -
% I' g; B4 D# X6 o - Track_Enemy_Ex_X:
/ _& ~/ G7 Q; ?" m& [! t - ;LDA Bullet_Z_Pos,X
$ w4 E5 }' e/ q" I - ;CMP #$04
; `: U/ a2 A$ \7 K+ H: E - ;BCC Track_Enemy_Ex_X_End
# H2 }% S8 }: ~0 e7 n - SEC4 L! E( P0 ]3 L( F; \0 C
- LDA Bullet_X_Pos,X
# t, J- r& D+ g! [ - SBC Enemy_X_Pos,Y
& Y# }3 W' L Z7 k - BCS Track_Enemy_Ex_X_Greater
" \5 u! i q* T* A* K# T# r; ~- \ - , N5 j1 b4 a7 R3 t
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
) t2 f& D: ^, c& J& d - CMP #$FD7 b# g- O u3 B9 x+ s
- BCS Track_Enemy_Ex_X_Less_End/ ^, L7 R9 R& i# C$ ~
- LDA $6020,X; Q& w! c( Q% \7 o* l! C
- CMP #$2A
" I' L; X# ?9 |# J - BEQ Track_Enemy_Ex_X_Less_L1
3 L9 j+ n. v+ b - LDA Bullet_Z_Pos,X
/ H; E! k, Z- M. ^' k - LSR$ p8 u, p. `3 N1 w& C \
- TAY
% {) k, i( d9 n! r+ L - LDA Bullet_Speed_Data_Ex_R,Y
/ [0 E: i# d' ]. }4 }* ~0 P5 d& A - STA Bullet_X_Speed,X
- V6 C1 i' W( F* ^8 a - RTS
7 K6 @3 n: p, i) s) i - Track_Enemy_Ex_X_Less_L1:
' \' k7 e- D% I% i; v - 4 S/ q+ s1 G1 w
- LDA Bullet_Z_Pos,X
( {0 b/ ~( M2 Y. x6 F. j) X% B! _ - LSR* O. F3 a; Z7 l; ]& x: j" z
- LSR
( m1 d6 k" W1 M! F9 Z% y8 g1 X - TAY* R9 r1 Q8 M7 f g2 Q
- LDA Bullet_Speed_Data_Ex,Y" @5 x* G6 }& u1 p9 n) Q
- STA Bullet_X_Speed,X2 U: i# Q! O" j
- RTS% P* y6 S! o2 H7 H. Y, w
- 3 L R9 q, P3 @% U" B& W4 u4 d
- Track_Enemy_Ex_X_Less_End:
5 P: m* y2 m) b; s2 ~1 A l! R2 D - RTS
' {* u6 X" J3 B; w - + r/ P/ r) v, `" H( E
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X7 h9 Q" N6 V3 v# @% o W
- CMP #$03" i. u3 m. `3 V' f7 X
- BCC Track_Enemy_Ex_X_End
% ^7 ~% i% ~) R# ]* V - LDA $6020,X! ^/ B* D/ e [- P
- CMP #$2A
, g/ s) M! m! ] C H% k( F7 } - BEQ Track_Enemy_Ex_X_Greater_L1# U8 N1 R* J: w4 d! D" ^+ c: V
- LDA Bullet_Z_Pos,X
( T8 B8 |9 h) h5 P6 p7 s" h - LSR$ p& \3 H6 I+ C n) J4 N
- TAY: u: R" O# ]' ?
- LDA #$00
1 w' U! w1 c& _- M5 x% `8 W - SEC) L% C* V6 e& D6 Q5 G" x' b+ n5 M% `6 q
- SBC Bullet_Speed_Data_Ex_R,Y
6 ?9 `7 `" h% _% e" k - STA Bullet_X_Speed,X
% w- D0 ^7 S# k3 ?2 \9 A- R) K/ [ - RTS
8 m+ g/ ?2 s. t2 L2 H ? - 3 H6 a8 c* r K
- Track_Enemy_Ex_X_Greater_L1
& w: i% ~9 s8 I2 G5 q - LDA Bullet_Z_Pos,X
G3 |' X N. z1 G* y% } - LSR
' J$ t+ b* G' w4 g$ d# p - LSR
% i" V2 X7 X/ o: T - TAY
) j; N6 R( m, u% {# N1 J - LDA #$00
: \/ ?+ k3 P1 a8 Y8 b/ m# Y - SEC0 T0 a! l1 r" \" t; B
- SBC Bullet_Speed_Data_Ex,Y( Z& x, y0 s+ R
- STA Bullet_X_Speed,X- x1 _' }. m: w9 @5 t( i/ h: p6 e: y
- RTS
5 A5 U1 }1 I$ K8 S M7 I - 9 S, ~3 O1 c; E9 i& }2 t: |' g
- Track_Enemy_Ex_X_End:
! a0 Q5 V( z3 _ - RTS
l0 \# t' x# G) t/ u2 d r - 3 t& g9 I2 u! [2 C
- ;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 V0 Y. H2 L+ x. q - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上1 O( ?, G+ N5 `$ O) t; s! u+ ^) T
- Bullet_Tract_Direction:
* ^8 N, ~ @0 P - LDA Bullet_Icon,X! }# X* P; h1 ~5 Y
- CMP #$23
: v/ y5 K6 G$ O# ], Y$ d - BCC Bullet_Tract_Direction_End+ Q: x _ Z* g. I8 O: B) r6 ~% v' p8 g
- 9 e- Y. {1 B3 A6 i7 E8 E
- ; X != 0
3 `% m& A8 Z# l* |( V) l - LDA Bullet_X_Speed,X+ a. w! e! r% |) ^6 Q' ]& U2 D `
- BEQ Bullet_Direction_V
2 j/ \- Z" E# D6 A9 p- H( w - ' ?* N2 }1 V- b
- LDA Bullet_Y_Speed,X
6 [* i! K5 G0 r' m - BEQ Bullet_Direction_H; H8 A3 s. _1 @ W) P: W2 I+ l; N
- % e, X1 H$ l( h( V6 A, w
- LDA Bullet_X_Speed,X2 G4 L1 X1 P/ @7 a) j5 P
- BPL Bullet_Tract_Direction_Right. V. d. ^& c) S8 c8 d
- Bullet_Tract_Direction_Left:; |5 `# _' k% X' w$ j
- LDA Bullet_Y_Speed,X
2 m6 d+ x$ b' w- I/ x+ B+ k/ ] - BMI Bullet_Direction_Left_Top0 z" |6 P4 Z8 A; {( {& \1 }9 E! K
- BPL Bullet_Direction_Left_Down
9 b( _& m: Y& Z; \, a9 M - Bullet_Tract_Direction_Right:5 k8 V; ^ H- B$ H% x7 t
- LDA Bullet_Y_Speed,X: u* ^/ T" C& |" F6 i5 B9 ]
- BMI Bullet_Direction_Right_Top9 T1 [; J" v" E
- BPL Bullet_Direction_Right_Down
/ w4 Q1 v: I# |6 o8 n - Bullet_Tract_Direction_End:" { U# t9 M8 \
- RTS+ w2 h: r) u' W0 `8 q; S. E2 R; J
. n# } U6 ], g* m5 a' X- Bullet_Direction_Left_Top:
' B0 Z4 Y) ]" b$ A C$ w# M) d - LDA #$25
2 P }+ ]$ a0 ?% f1 O5 ^$ b; u4 n - STA Bullet_Icon,X
1 Z: \& e4 X( x* V4 s - LDA #$C0
; s" ~( X4 r" w1 F - STA Bullet_Direction,X0 y; b/ t9 O/ @
- RTS
: H$ }, h" V Z: g; P - & }2 G# q. c# I
- Bullet_Direction_Left_Down:
( V. d- O% g, H - LDA #$25
9 G0 P/ J/ R, D# H# K& J - STA Bullet_Icon,X
4 f* E# w: |, R& p6 v! P* u - LDA #$407 B7 P7 K% K$ q/ g1 D) L
- STA Bullet_Direction,X* k/ u! d: U, ^6 Q2 j
- RTS
. m2 x9 ], @' D8 Z% p$ e' X$ \
" F& }% R# K$ q& J* C# Q" _- Bullet_Direction_Right_Top:( ~# i0 v6 ~& s* o- k" k
- LDA #$25
& |- |$ H. [/ V* x. Z( V& l3 o - STA Bullet_Icon,X
+ u9 i. D+ {! l/ V5 m- N# H - LDA #$80
4 f: K1 {! n) \/ b9 Y - STA Bullet_Direction,X4 t2 e$ R% t2 s9 \
- RTS
0 Y2 M( O, ]/ C9 O8 X: K
* |# S% X. _4 Y+ _) v* {- Bullet_Direction_Right_Down:- q; M; S7 j1 @- E! W# V: Y6 R
- LDA #$25
5 v5 t5 B2 J! z9 {, J( K3 o) U% J+ a% F1 @ - STA Bullet_Icon,X9 P4 |+ N* Q' ~9 v3 p) t$ {! Q$ F4 p
- LDA #$00
+ U$ M G7 d0 ~ - STA Bullet_Direction,X' l) N) P& u% u3 `8 n
- RTS
3 `$ T3 B3 M3 p9 O) p3 V( Y - 5 v `2 B9 m/ \
- Bullet_Direction_H:6 R' m% ? g8 Y& L W' K: j' x9 ]
- LDA #$24
" v$ T; ~* o* P4 u) } - STA Bullet_Icon,X
6 ~. }9 ~, q$ `2 ] - LDA #$00- c( G" J! ]) f( i# ~/ W% o+ {
- STA Bullet_Direction,X
) x( p8 R2 I- s& `1 K4 N* m - RTS) u8 `4 U& @/ b6 w0 _3 D* Q
- $ @1 ]0 U! @; p2 d9 p {: u
- Bullet_Direction_V:+ Z0 J' }, H0 j$ t% T" A( }
- LDA #$234 i* b9 ]* {& o1 J
- STA Bullet_Icon,X" V: c* Q' }+ Y M" D ~
- LDA #$008 m8 j: T' G6 T" l
- STA Bullet_Direction,X
) s$ j- i0 u2 k1 W; A7 P - RTS
: L% m! x! j/ y1 b9 Q1 f0 }7 f
- y# W! x3 |3 W! S* o- Bullet_Speed_Data_Ex:+ M8 T2 c+ i$ e
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
! g$ P5 L8 n4 S' e; N4 G# K - 6 F$ A C5 }- D/ F! C( }# c7 c
- Bullet_Speed_Data_Ex_R:
, Y# v. `) ]1 Z O - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08$ k( e7 Q3 K/ B7 Y: e" N, @3 y
-
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