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[FC][魂斗罗][J][追踪弹]0 t$ ]$ X, g0 _' [
& m. H/ t6 l. m* D6 G; n2 T/ H时间:2023.04.30
# C/ }6 w. I. h作者:FlameCyclone
& L4 W( a' Y9 v! w6 E% k; c内容:* f6 p" r& u. s8 S& E
1. 所有子弹追踪敌人, T/ S2 `/ [+ V5 E
2. 选择键切换武器, G& I+ q' w5 _- x
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+ Y, |( z6 B7 M a [1 X
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flamecyclone.ys168.com
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. B: p4 p& ^; Y- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
6 |& r7 b4 t) p5 t* n! ?7 n- H - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L p% i# b' o' L+ p
- 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)# b% y- X9 \5 g _; D) e
- ' _. I* J, ^9 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)
3 x& y7 \- @9 i/ I' S- J - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
b9 I0 `9 P) X' I
$ D" s0 J5 w% l1 B B- Track_Enemy_Index = $6000 Z9 E! P6 w' H* z; J6 Q9 V5 B' K
- Enemy_Index_Begin = $6010
! L3 K/ Z: f7 Y0 Q5 C; } - Enemy_Index_End = $6011& c) m" o; e; o" r9 b4 A/ Y
- 0 r% d' o0 ^. u) w6 K, |9 [9 C
- Loop_Index_I = $6012+ ~4 L$ I- [$ Q; q& v+ z0 [2 U
- Loop_Index_J = $6013- O! N; j. y$ }2 I
- nEnemyIndex = $60142 w/ E& `" n% v$ h; C3 [
- Data_buffer = $6015. h+ t+ N) C" P. V" T$ O
6 u- p, K% A) e+ U& @& \- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
1 I, V9 m( r/ k: n - Bullet_X_Pos = $03C8 ;子弹水平坐标
# s7 w1 m# G! U$ o - Bullet_Y_Speed = $03F8 ;子弹垂直速度
! y* E9 n4 i8 u0 Y) C* t - Bullet_X_Speed = $0408 ;子弹水平速度
& i; z& b% x, }% Z9 l2 J* n - Bullet_Z_Pos = $0418 ;子弹Z坐标% D1 V% v% A4 Z) Q2 ]) P& t1 w+ H/ m
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
7 V; a. a8 z; q, D/ V0 Q1 P' U/ U - 1 p3 s& b; X* Q/ T. ?6 R' F
- 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1 t& O& p& Y5 @* }
- Enemy_Blood = $0598 ;敌人血量1 [9 y) ^, C4 x2 t
- Enemy_Type_Addr = $0528 ;敌人类型
% M% Q. b3 f3 ]: ^* ]8 G) K - Enemy_Blood_Addr = $0578 ;敌人血量
+ k2 }$ K+ c3 ]8 T! q+ Z - Enemy_Y_Pos = $0324 ;敌人垂直坐标
. ~$ y8 U. m) e- |7 K) S( u, E - Enemy_X_Pos = $033E ;敌人水平坐标6 a( `/ `# Y' F& N: z/ M- p, f( v
- Enemy_Y_Speed = $04E8 ;敌人垂直速度* s2 q7 @4 h& A+ e8 |' \
- 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 ;; ^. h! V: J o1 Q8 g+ u
- Time_Count = $1A
1 X$ a% J: a$ i b - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
; P" W2 x: a' _/ z% J - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率; L' K- w% C8 \3 C; F: Z
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. C$ I" t% O5 ]4 |- .ORG $61009 O0 n7 @* E6 O0 c- \% K$ ?
- Process_Begin:
7 K, h8 ~# d. Z - JSR Enemy_Check0 X0 Q- Y, Z% J4 z
- JSR Track_Enemy_Check- C9 Z$ H1 {1 r$ @9 B; C
- Process_End:
: B8 m& e" Z0 c8 h - JMP $E54F
3 ~. d$ @7 X' t9 g' T- W - : l5 {) |2 C; Z4 d. G
- Enemy_Check:
3 f. e' V; S. n) D1 p$ z+ A - LDA Time_Count, y f1 H. q8 z6 w9 h" e, ]
- AND #Track_Bullet_Speed( s* h5 ^8 s' }6 ^. w$ ]# ~
- CMP #Track_Bullet_Speed
5 v1 _0 B J) v) y9 c - BNE Enemy_Check_End
& ^8 F0 s& _. u9 k. z3 K - LDX #$0F6 |, y- `; ~# ~0 V
- Enemy_Check_Begin:
" c* a5 ]! e( q; R9 ~+ r, B - LDA Enemy_State,X7 Q/ j1 t* `4 s
- BEQ Enemy_Check_Continue9 h6 b7 g a5 C! Z' u( W
- STX Enemy_Index- A) l; D* d2 l0 H1 Y4 I) x
- JSR Find_Begin_Enemy; E! G1 G; z3 V6 W M
- JSR Find_End_Enemy& F; c( u5 f, J8 F
- JSR Bullet_Track+ I. Q' }) K* z3 H! u
-
$ v+ v9 o/ G/ S - LDX Enemy_Index2 J9 ^7 i U/ n- r* I
- Enemy_Check_Continue:
8 T! ]9 o. s* {! w' K% Z0 J - DEX
( Q$ Z* @3 w# j' o0 D" Q - BPL Enemy_Check_Begin8 F8 k; m# \2 i& S t0 T
- Enemy_Check_End:8 R$ x8 A. U, {8 k# W
- RTS" A/ [- {6 A8 c/ J
-
% e/ d7 H$ @/ z3 h: d - Track_Enemy_Check:# o/ x$ M* ^# Y( K" S, ^# E/ l' m
- LDA Time_Count% N" M3 r1 m# Z3 B2 D; Z
- AND #Track_Enemy_Speed3 S( `" R- i4 |
- CMP #Track_Enemy_Speed: J' y+ {/ t, O. v6 w: R2 j1 H( u
- BNE Track_Enemy_Check_End
" Q5 p+ R! _3 T - LDX #$0F5 G, B9 N$ D# O. v. T; J
- Track_Enemy_Check_Begin:: g! I( m$ e7 A; E6 I3 y6 c
- LDA Enemy_State,X
. e+ P( K a5 V( \2 ? - BEQ Track_Enemy_Check_Continue. W- d( C8 D' |% K5 Y+ n& \
- STX Enemy_Index
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- LDA $40
3 [* w R, \; L5 c* g - LSR
% v5 w/ [8 r l - BCC Track_Enemy_Check_Begin_L1
% _ _/ @9 ^: k& B: G - 7 I$ F% V4 {9 E4 B% V
- JSR Track_Enemy_Ex ;2, 42 r' T. z" c6 m0 t, G) q7 N$ U
- LDA #$007 J+ n/ S n: [/ a ~: ?
- BEQ Track_Enemy_Check_Begin_L2$ j" q: @" B! ]/ C, K# h! [9 R0 T- R
- . y% D$ u7 F5 |5 u
- Track_Enemy_Check_Begin_L1:
( }8 g1 b0 l: p7 g - 0 _, p( |" Q& F# H5 ~* k
- JSR Track_Enemy# }# a& {: J2 f8 z8 q q
- 9 D: N0 H/ [3 e7 e
- Track_Enemy_Check_Begin_L2:2 K% L5 V( N2 b ]
-
4 R( R+ y5 q0 Z0 M4 c# h - LDX Enemy_Index
0 k( g! l5 z* |; u1 r! R5 r - Track_Enemy_Check_Continue:
b) p( V- A& z% [/ g$ [ - DEX
; _% K& J x" I, g - BPL Track_Enemy_Check_Begin+ @, o! b- F6 } _" V4 O" k
- Track_Enemy_Check_End:
9 _. k; G( q% m3 s4 x8 e& j - RTS9 l! r4 y: p1 x% U" y& f
- ) q* X2 l: o- q2 n. r
L. M+ F( C' x# I, q) c3 i6 Y1 r- ;查找第一个敌人
. S! ]# w. {' j& A - Find_Begin_Enemy:
- N0 Q" A/ @# I- `. D - LDX #$00" ]& c$ k9 f9 P( e. |# [
- Find_Begin_Enemy_Check:2 {: n9 l3 y5 u3 e! Z4 L# ]0 u- b# `4 `
- LDA Enemy_State,X3 f V* T% q) V1 e C R Z( {
- BEQ Find_Begin_Enemy_Check_Continue d( B, l2 Z- b$ H( u0 I' L$ w
- LDA Enemy_Blood,X
! a% m) s/ R8 H1 s* c - BMI Find_Begin_Enemy_Check_Continue0 ~, |) F8 @* }* I6 }
- BNE Find_Begin_Enemy_End- e9 _% O# k4 `9 @
-
' d( c2 @( R( R/ e( U - Find_Begin_Enemy_Check_Continue:3 }. f M% [: R2 }" n1 e
- INX
* i) B8 D( J- M& d' E - CPX #$10
g8 o$ Y, e7 Z V' \ P- N - BCC Find_Begin_Enemy_Check K( ~# k v s
- Find_Begin_Enemy_End:$ g P# B E) a$ e% r+ \0 T u
- STX Enemy_Index_Begin2 n/ h$ }) p& {0 @# ?( P6 f
- RTS
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9 i8 @2 x5 ^0 [% {* j& o$ V- ;查找最后一个敌人
+ l4 ^' [% I7 i" b - Find_End_Enemy:
# }$ K2 J5 O g, n8 X - LDX #$0F
0 ?% I# ~' \/ J$ P; i8 l; f/ ? - Find_End_Enemy_Check:
' E7 b7 l; d4 j r6 | - LDA Enemy_State,X! A* b5 Z* m" U( p- `9 v
- BEQ Find_End_Enemy_Check_Continue
$ _5 T4 P+ E- {- X5 h" H - LDA Enemy_Blood,X
7 P- G/ y& j! K& W - BMI Find_End_Enemy_Check_Continue- Z: l" E$ l, m: V5 Q6 \, K
- BNE Find_End_Enemy_End3 p% a% q& `# ~
- & v. ?, r. I2 d, r* q7 ]# n
- Find_End_Enemy_Check_Continue:
; z) E: }) A1 ` O - DEX
& [" f9 s3 x9 a6 M M - BPL Find_End_Enemy_Check' F% q) V& k$ o0 f2 U" ]# `
- Find_End_Enemy_End:
9 o* t' ^/ G# N( y" r4 Q& p - STX Enemy_Index_End
' |" E% i+ H2 ?, ~) c! W( z - RTS* h/ B* u2 U$ Z6 L1 Z- w+ n
: K J/ v0 P/ ]- E- ;子弹追踪
! ~' q0 C& _5 C* F5 ?. O9 y - Bullet_Track:
: I& i% j e. W- I( c - LDA Enemy_Index_Begin
0 x6 E0 i/ n! j* @* t0 j - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;' w ^/ U& a2 W I, F
- LDX #$00
- k" i! D) b; r4 C3 y' { - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
4 n6 C; G5 G. ~5 o* F; L! z - LDA Bullet_State,X! F3 j7 u1 k9 B7 K, z; b, |, \
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;8 S9 l+ O5 @% T. f$ I; O
- STX Loop_Index_I
/ }: e$ ~4 V. Q -
: ~+ a8 C0 x3 G+ {9 A/ h - JSR Bullet_Track_Enemy8 X1 k- i; b& |& i5 j
- JSR Bullet_Tract_Direction
, B1 }1 _8 _! [ -
+ A6 |4 ?% @6 q: o - ;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) m/ q& V6 v% c1 `2 o7 W
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
` n) o4 [3 `% i t( A - LDA nEnemyIndex
/ C% Z4 E% \1 I/ @ - CMP Enemy_Index_End
1 w Z* x2 t5 H5 [0 e - BEQ Bullet_Track_Check_Continue
. U& V2 m4 h4 F% s# D - BCC Bullet_Track_Check_Continue/ l( }( Z! Z+ H( \4 e" d2 V
- LDA Enemy_Index_Begin( \! y7 c0 f5 C/ r2 ` ]
- STA nEnemyIndex
' d& @9 M, q) ]; H5 @1 p -
) W0 n0 O& k, U0 g6 v# r0 S - Bullet_Track_Check_Continue:
, L! K8 P2 j- b# b' P$ q7 r - LDX Loop_Index_I8 j; n8 o8 s* E) y( {
- Bullet_Track_Check_End:) i# S2 O3 H& X6 L9 r3 J9 u
- INX" d. t, C4 {3 F: k! _
- CPX #$10
5 U5 j1 F I! W, p. p) t - BCC Bullet_Track_Check
. [7 C v6 O7 @9 V0 R- Z - Bullet_Track_End:
+ E+ `" M& k! M& X/ ] - RTS, N4 T. t; _' `" r+ @% z
-
4 s1 G9 k/ U- o8 U: z+ }# m - ;给敌人分配子弹
! X8 h; x+ U8 F+ ]% s/ E - Bullet_Track_Enemy:
1 j% p8 |) w) q b - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
6 Y7 S% S) e/ g* V5 \: @ L h - Bullet_Track_Enemy_Check:
$ S1 z: N: I$ S- W; D - STX Loop_Index_J8 e6 O# S* n& |# f) s/ J$ A, b
- 5 l! r! ~# h0 f1 O- K; t
- ;if (0 != nEnemy[j] && -1 == nTrack[i])' f- v+ t" W$ k6 _0 F5 I
- LDA Enemy_State,X
2 u' O) y4 q, q# Q8 | - BEQ Bullet_Track_Enemy_Check_Continue: Q0 J4 S1 U: _) W, C- ^2 t0 d6 P
- LDA Enemy_Blood,X
# [/ c# U- v+ D5 l% k+ m - BMI Bullet_Track_Enemy_Check_Continue
) F% c& Y5 K% r) d1 j) J -
& ~' X5 J3 T4 e* X5 B! c$ s, p6 r2 a - LDX Loop_Index_I
3 W& f7 o+ D/ w+ L - LDA Track_Enemy_Index,X
7 B9 m$ A- C1 E; g4 H - CMP #$FF
$ }4 J, S( [# y- z% E4 e5 M2 i - BEQ Bullet_Track_Enemy_Init7 u1 S8 M' s1 T D
-
; L% C" T! i; F3 @) y' U6 q- e/ B - Bullet_Track_Enemy_Init:
. ^8 M& ?6 D3 v' j$ t5 Z, t2 l - LDA Loop_Index_J: M5 T. q$ n1 d2 ~% O
- STA Track_Enemy_Index,X ;nTrack[i] = j;
3 G6 H4 e6 K) [4 }1 U T/ | -
L: y& n- a+ x - STA nEnemyIndex3 w- ~$ ~$ v: ^9 }8 z# b
- INC nEnemyIndex ;nEnemyIndex = j + 1;
: w3 {( I* T. f+ J - RTS ;break;
S5 w$ K( ^5 o9 e% C - # K# p3 i1 G( `4 k) O6 l* T& w
- Bullet_Track_Enemy_Check_Continue:
! ^( E1 p: V# S0 @6 O3 s5 W - LDX Loop_Index_J
r& Q0 `! J0 V - INX ;j++ S! N. X! {% t6 L
- CPX Enemy_Index_End* _( X8 {6 @3 ?& v) S2 N, A. i
- BEQ Bullet_Track_Enemy_Check
; W2 l5 h' a6 @" Z( M) I. b0 E - BCC Bullet_Track_Enemy_Check
4 U6 n+ t& q( `* V x; { - Bullet_Track_Enemy_End:/ v; e. d0 `7 G1 o
- RTS0 I1 H3 A& V+ A7 y3 K
- 9 O w" i# E( S8 p4 B/ X
- Track_Enemy:
1 |9 s3 E/ U) @0 l9 H - LDX #$0F7 I: b/ k- R f
- Track_Enemy_Begin:/ x$ z+ p' ?2 J5 O; {
- LDA Bullet_Icon,X
4 k; u: ^) D- _0 r7 u. A5 | - BEQ Track_Enemy_Continue
; G( U+ n: J& O6 }6 i: w4 b2 A - LDA Bullet_State,X5 o* J' i3 j \* i
- CMP #$01
) _% C6 m9 s h% B! ~9 @3 _ - BNE Track_Enemy_Continue
0 z7 Y9 t$ ?7 ~# W# L/ B$ U; ^ - , \. w2 i1 E& B! g
- JSR Track_Enemy_Process
2 f0 E5 [; O+ c+ p -
; ?/ t2 R: s1 \ - Track_Enemy_Continue:
- u4 f. q; S1 J5 f7 x' f - DEX
D$ M( r$ |( Q H v' l - BPL Track_Enemy_Begin
; T7 p- V1 b: k4 d& g8 a - RTS
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, h- v+ [" O' T4 O+ T' u- ;普通关卡- ]/ \6 P: d' p3 w+ _
- Track_Enemy_Process:
- E7 \) U! T* U - LDA Track_Enemy_Index,X3 a6 K- [# `5 k/ h
- CMP Enemy_Index: [0 _ P+ O+ Z* `3 _
- BNE Track_Enemy_End
0 o; O* Y# T# c; ]% g - LDY Enemy_Index
; [4 J6 Z# h O4 f9 X5 | - JSR Track_Enemy_Y
4 r# j- r* J G1 E - LDY Enemy_Index# M/ J+ K; G1 N; G5 E
- JSR Track_Enemy_X5 C' H, u8 ^4 I, ^
- Track_Enemy_End:+ z" P5 J! U# H4 a3 h
- RTS
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- Track_Enemy_Y:0 ?# ]+ J( d6 l$ d
- SEC9 q' O; v6 l/ N; k( w2 P8 }* v
- LDA Bullet_Y_Pos,X
# p" T7 q" F- D1 M2 l - SBC Enemy_Y_Pos,Y
6 X( w* J% ]/ P7 G2 {- I# w6 B - BEQ Track_Enemy_Y_Equal
/ o1 a* O# f: d1 I. j$ R - BCS Track_Enemy_Y_Greater2 _4 W6 ^2 Z: G) d
-
p+ A3 H- a# k% y! { - Track_Enemy_Y_Less: ;子弹Y < 敌人Y' O+ o) M9 ~ \
- CMP #$FC
9 w+ l- w ^; G, Z' c5 h3 i. G' W; f - BCC L1_14 C- b2 S0 `( y# D; t0 }! t
- CMP #$FE
0 D% c8 Q; x$ k3 b4 m- }/ [ - BCC L1_2
0 V( C2 g% e# a$ R+ E$ c% S6 i - LDA #$00
$ B0 H4 I. m. R5 t# Q - STA Bullet_Y_Speed,X& t; h: r! t! r# B
- RTS. U p* x3 Q% j3 m5 f
- L1_1:
8 u% k- F |& \2 g+ X* x - LDA Bullet_Type,X2 c. I+ `7 C8 Y% R0 C
- AND #$0F% N- Z% x3 ^0 A; R/ S
- TAY
- |- z7 w0 f% J$ ?/ H. |- y - LDA Bullet_Speed_Data,Y" o! @4 {- q4 l: ?/ x: t9 ^, @
- STA Bullet_Y_Speed,X7 U3 H. R" M) X& ^3 x+ @, u
- RTS$ L; O0 O; z q y& f" J
8 L. G$ B- T) A+ P- L1_2:
, f6 s& b# n+ `! d, H k - STA Data_buffer! E' j- m. @6 q8 N
- LDA #$004 F- E6 C# Q9 b& e
- STA Data_buffer
8 n" ]7 l/ ?/ f - LSR1 C8 l9 h8 y0 v: G1 b; M( C
- STA Bullet_Y_Speed,X2 E7 z* w8 ^- d$ Y; }
- RTS
1 t: Q# L' o! m b9 g
( H2 _+ U. H: | f- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y4 Y: y8 u4 Q/ T( ^6 @
- CMP #$04 [% W4 V) ~3 R6 h0 v- `2 M
- BCS L2_16 o* l# |, Y0 y
- CMP #$04
7 A- D0 f5 ~% A w0 q1 m1 z' h' W& w - BCS L2_2
8 d& D' h! E- `$ t - LDA #$00
" E* g/ \2 H9 X g - STA Bullet_Y_Speed,X
" F: m! n& w* X4 F5 Y! F) T; x - RTS! A# @- B0 \! ^ M9 v
-
8 F7 N+ D/ Q& Z( G* b, G - L2_1:) d$ K* s2 u& b& L Z
- LDA Bullet_Type,X
% A, {$ _- p' _) _2 w* x& n - AND #$0F
# x$ o f1 K6 a i3 K5 m - TAY: X0 H3 y7 I$ S' N" f( h
- LDA #$008 Q- n& |8 I; R7 m- K5 ?
- SBC Bullet_Speed_Data,Y" z' K8 R9 Z! r, |' q) p+ K X+ y
- STA Bullet_Y_Speed,X$ f, {4 u6 u% Q& i9 _, \3 |9 W
- RTS
% H; T3 h8 l# |8 } - : Z2 e5 j1 ]* {; D7 @
- L2_2:5 C2 d9 y- J: i8 j6 a7 @, n- j; U6 p
- LSR
4 L( V5 t' ]6 ~ - STA Data_buffer
+ N" H" Q6 o* o2 U2 m# L - LDA #$00
6 C9 t9 j' Z2 V - SBC Data_buffer" u1 D) O$ ?: W( O7 d* m
- STA Bullet_Y_Speed,X
2 r, Z. b1 z. O! @$ F! ^1 c - RTS$ e$ I# x. u% V F
-
1 ]8 f! A' G" D- @$ w - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y& | j4 _* k* h$ \
- LDA #$00) W) B! V$ L& e) K8 `
- STA Bullet_Y_Speed,X
- k. N+ S- i, {3 | - RTS
: m8 L. k7 C; n/ r. i -
# W! h8 M& S) M) l2 ?$ F2 B5 J! t - Track_Enemy_X:
$ O d5 C7 b5 f& ^' e" i - SEC
U0 ?: R+ S v R: W. P - LDA Bullet_X_Pos,X
" z2 K$ t5 M; o; N' D! Q; L, G - SBC Enemy_X_Pos,Y" c# J! E- y3 b4 K7 Q, f# ^& k0 i
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X' ?) q& Q+ b% e$ U! R* ~$ s9 a
- BCS Track_Enemy_X_Greater ;子弹在敌人下方; a( i. L! k L
-
, Q9 q: S( }# H$ ~ - Track_Enemy_X_Less: ;子弹X < 敌人X! z0 s, N/ Y: Y( `& X# C; O H
- CMP #$FC; J* V6 f9 \' Q& V7 Q( L
- BCC L3_1; I9 K! A2 T9 \' N' A! U
- CMP #$FE
& ]1 v5 n! X7 O5 t - BCC L3_2; t- a' {& d4 j1 E1 L& D. b
- LDA #$00
3 l8 Q5 d& q4 q# m# R/ H3 X* a - STA Bullet_X_Speed,X
' o' b1 p/ e) v; e - RTS: O4 i. }: G" j v
- L3_1: # m1 W0 r" B6 r1 T- G) |
- LDA Bullet_Type,X1 f$ {& j- m3 S( n& A' e
- AND #$0F, m& y% Z P& p
- TAY
i' ^* U/ W( |5 q+ y' W0 q - LDA Bullet_Speed_Data,Y/ b5 u/ T0 O/ U8 F1 _' V: u
- STA Bullet_X_Speed,X. w& ]; O" [ N$ \7 L' U5 o! }
- RTS: Y3 X5 Q4 I/ R" B! w
- L3_2:
* S! O% @; B# _8 u - STA Data_buffer0 s3 t3 I5 F" F* ~4 y, `5 S
- LDA #$00, h% y& D4 w0 y0 p! ]
- STA Data_buffer
5 X2 r4 L9 G) M/ V( A9 \/ M3 u - LSR
( N+ D9 f6 S3 }8 M* D - STA Bullet_X_Speed,X
9 m8 m0 C! Z' T: M4 Q9 x p - RTS0 E1 ~: v' P P2 m' v2 q; T
-
! `. Q! I3 s# X; o' _4 X. w3 H# Z - Track_Enemy_X_Greater: ;子弹X > 敌人X/ ~# d# e% |; G, x1 m* G9 j- o
- CMP #$04
# B. I2 x, Y y% C - BCS L4_12 b1 a+ B2 g' q" A# u
- CMP #$02
0 Q' ]1 u& M& n, f3 K6 V - BCS L4_2
- b- z& | o u6 N8 j - LDA #$00
9 x4 {2 Z; W+ }7 l, t - STA Bullet_X_Speed,X
- e* L/ o4 y( ] - RTS9 j; y, H7 f: y6 K, z7 e
- P4 @5 p9 i& u0 M
- L4_1:
5 x3 F- A, V! t) }* b8 m" i - LDA Bullet_Type,X$ h/ F4 U( }3 ~0 E I
- AND #$0F; |- y2 Q3 O0 P2 x
- TAY1 B6 N' }9 f S, X( |: Y
- LDA #$00. F! r4 o# a6 N) \( y
- SBC Bullet_Speed_Data,Y+ ~' X$ F0 n6 m/ w- Q# y' i
- STA Bullet_X_Speed,X
% w- y: I) \+ x0 ~, n; o6 I* r - RTS5 z5 ?) o# I$ @8 ]5 s# h2 K2 N
- L4_2:
$ w; K. b, v" Y4 [ - LSR& b x3 x* o+ |0 e/ M
- STA Data_buffer
% t. A+ ^; C; b - LDA #$005 t' `5 W! Q! g6 [4 v
- SBC Data_buffer
$ y/ c9 e, F ^* l - STA Bullet_X_Speed,X- e* x& E" B4 i
- RTS
0 u! Q4 m2 b0 R) D5 Z, i - # n7 e' d6 G+ H! w
- Track_Enemy_X_Equal: ;子弹X == 敌人X
- u2 j& h5 s s) ]5 q2 W, y& B - LDA #$00 P( h" X; e, D) T
- STA Bullet_X_Speed,X2 X$ X% M* j+ @0 L& t
- RTS
6 M8 f+ i$ s; U- i7 \ - ' o; K1 R; R( b- R
- Bullet_Speed_Data:+ r4 C+ @6 ^# C
- .DB $00,$03,$03,$02,$03,$03+ W3 a2 w0 x1 F8 I& d
-
) {6 S- Q4 z; l; b& w3 K5 ? - ;2, 4关
# P: |* g: D$ E1 B$ Y - Track_Enemy_Ex:7 Z% J- ^' E4 [( @
- LDX #$0F R8 w6 f! R( K1 {2 x$ x7 Y |
- Track_Enemy_Ex_Begin:
! Y! M2 w8 |5 o" G( B& A - & a2 D6 e3 [- g1 h4 w9 D
- LDA Bullet_State,X' }4 g# b! i% C% u. t
- CMP #$01
* `1 ?* X' B, _5 u3 O - BNE Track_Enemy_Ex_Continue
2 \, m8 z: M4 l - / L1 Y m* V( z, A8 ^
- LDA Track_Enemy_Index,X8 r0 o6 ?% j- v; k' Z6 q7 c8 e2 o
- CMP Enemy_Index) a6 s6 b% ]% Z+ \+ M; f- h; u
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
0 c" p5 v" Y+ V, _9 \ -
* x/ ?3 h3 h4 S - LDY Enemy_Index
; {8 r1 h* b8 _7 a, Z - JSR Track_Enemy_Ex_X
# ]+ @4 {$ ]2 T0 m8 M -
3 z( u9 ~8 y1 l5 V/ L' N$ }! [ - Track_Enemy_Ex_Continue:. G7 G3 }4 f# q3 n, o. E
- DEX
Q5 z1 v7 Z' ], c# M- L& ] - BPL Track_Enemy_Ex_Begin
! M: l1 T1 @$ s; ]. D( K R - Track_Enemy_Ex_End:
, V5 q2 D# _/ [1 S& b - RTS+ j- Z0 u' D! s2 k
- 8 E4 p% K. g! ?2 _( M9 T
- Track_Enemy_Ex_X:
; F3 z* J( t _. J. z1 G- ? - ;LDA Bullet_Z_Pos,X
. n$ w4 M2 I/ c( ] - ;CMP #$04
, D, s g3 Y2 L - ;BCC Track_Enemy_Ex_X_End z% q2 x0 I. U& a
- SEC' p+ b- s# c; X; x" Z- I% }2 i
- LDA Bullet_X_Pos,X
/ p3 b* F6 B/ l* a7 ~& N - SBC Enemy_X_Pos,Y
( V+ Q& g( E' e9 o' T9 s0 U - BCS Track_Enemy_Ex_X_Greater0 `; A# t0 m- a4 C4 M. }& Z% d l
- + f+ j: `$ A7 S/ I4 ?3 R
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X4 w5 G5 Q& Y$ Q5 N/ L
- CMP #$FD; }- j6 P& v$ a* a, A9 ]
- BCS Track_Enemy_Ex_X_Less_End
# c; P- @) Q* P, I% M - LDA $6020,X
% U) O c) w) I/ F' ^ - CMP #$2A- }; N$ K" s& o: h Z- `0 D
- BEQ Track_Enemy_Ex_X_Less_L1$ _. L7 K" V. }7 a
- LDA Bullet_Z_Pos,X, T$ l% |2 u, R' w3 ~% X
- LSR; S& @) I, w9 e( |+ Y# K' P4 }9 Z+ @
- TAY
5 }6 {' H; w3 m' }' |( Y2 A- H+ @0 l - LDA Bullet_Speed_Data_Ex_R,Y
( t. {& _7 q1 N+ X - STA Bullet_X_Speed,X) h1 |- t% X% l+ c' Y
- RTS1 v( E6 I6 p d. A( \; P- t; o( m
- Track_Enemy_Ex_X_Less_L1:
5 R! N& D; s" n0 x
) ~; m t. L7 Q- |* c- @- LDA Bullet_Z_Pos,X7 Z7 B6 I7 ?4 F4 `
- LSR8 v* M9 e# F$ ~" F( X# g. G$ Y8 c
- LSR% `0 v! g4 }% Z( j# q
- TAY* A) W+ g) u3 g: G* Q( K( w4 d
- LDA Bullet_Speed_Data_Ex,Y
1 B- N0 F3 a4 X# s( O - STA Bullet_X_Speed,X
% @" I6 ]$ L1 ^8 E0 J+ F - RTS
}" m3 J5 _) ^' R* F -
. h+ e/ Z3 L5 ~/ S1 T2 b - Track_Enemy_Ex_X_Less_End:- y7 m) E$ k' q' K
- RTS
; D1 T5 M4 C1 ~" i* n - # D% n3 v, R) C% D# ?0 E
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
. W& T0 ~0 J5 g4 C - CMP #$03& O/ |& ^+ {# _5 J- ^- e1 k
- BCC Track_Enemy_Ex_X_End
+ F0 L5 @7 k* [. T - LDA $6020,X
& H; t8 F! v9 E- i! G - CMP #$2A
0 o. x" D+ s" s - BEQ Track_Enemy_Ex_X_Greater_L1* W6 G) [9 @( C) }- J
- LDA Bullet_Z_Pos,X* i J) X. S( e
- LSR
- ^6 b/ G* j0 P5 ~ U# w/ U - TAY. E% \5 a/ K% Q& P% u
- LDA #$00. ?* o4 b. }, M+ i" T+ Y
- SEC1 K: [ a# P6 W5 t) X0 {$ S5 F5 {
- SBC Bullet_Speed_Data_Ex_R,Y
5 ]5 C9 l: v P* y4 { a' F5 l( h) K$ c - STA Bullet_X_Speed,X' Y* v$ _6 h$ R3 E: W. i; ^
- RTS: S# b/ c1 ?7 F& C' k: V- y' k
-
; f% L. S/ W+ j! e - Track_Enemy_Ex_X_Greater_L1
) J5 O y5 r0 ? - LDA Bullet_Z_Pos,X
1 c: c# E5 G& n$ r9 r9 u S _ - LSR6 F0 I6 @8 Q$ s4 T
- LSR! A8 N- ?; T* Y& [+ Z* N
- TAY
8 w1 a; }# i* G7 C0 M - LDA #$00
1 a( `, `# g. e - SEC
" E+ G- t+ s# T/ a0 N$ L - SBC Bullet_Speed_Data_Ex,Y, F0 C# @% n* G5 J! X
- STA Bullet_X_Speed,X
& F5 ^& k1 D% |3 P4 j4 s - RTS3 R% }/ d( Q E5 S0 D# }6 l- v' ]
-
N9 D! W8 P/ O- w: Z( k - Track_Enemy_Ex_X_End:0 i' [3 V4 b: t' Q
- RTS7 o) c8 {; e9 B+ j$ c4 e0 U
-
# R( I9 z' l4 p* L9 p2 K* D - ;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)* M& K2 ~8 {- [+ I
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上 i4 b F% |6 ^- L$ ?, ~
- Bullet_Tract_Direction:1 n2 o6 i% s; M( X0 j) G
- LDA Bullet_Icon,X" Z7 v! T3 M' V# {% E; h- `3 I! C
- CMP #$23. u4 W! T, W! q( M- [$ _) O
- BCC Bullet_Tract_Direction_End
* D3 D/ s3 X ] -
* o8 g/ M) r5 j6 E: ?* u - ; X != 0
/ C+ a3 t+ a, F/ z9 f - LDA Bullet_X_Speed,X
2 S( ^0 o! B7 a6 x4 ~' P9 p - BEQ Bullet_Direction_V
, t% ]" L* Y% { -
* Y% B! r2 o; {- }* n9 \( F. g6 ] - LDA Bullet_Y_Speed,X
3 b! B+ {' F d" w) j5 j2 n) b - BEQ Bullet_Direction_H
" M3 U' \* e* A1 N; D+ S- B; ~' B - 4 |! W ?+ ]' s7 [( y3 o; N
- LDA Bullet_X_Speed,X, g2 Q, v6 E( D0 e" s
- BPL Bullet_Tract_Direction_Right
a0 [; t4 v; r4 ]% m3 F6 X% G& y - Bullet_Tract_Direction_Left:
) E1 I2 Q% B& }6 z& N - LDA Bullet_Y_Speed,X" M& m% d+ D8 y% ^8 Y, l' B
- BMI Bullet_Direction_Left_Top
- A4 s$ q% q0 t - BPL Bullet_Direction_Left_Down3 X: H2 n% M( |0 |5 a
- Bullet_Tract_Direction_Right:$ o' e7 @* W5 w t
- LDA Bullet_Y_Speed,X
: J; e$ q! B" @- R1 N9 { - BMI Bullet_Direction_Right_Top. G% i; y' x3 p! p6 M
- BPL Bullet_Direction_Right_Down
0 s: e6 ]& x3 ~, u' X - Bullet_Tract_Direction_End:" \' Q& R$ Q) _, G
- RTS
7 i' k8 X/ R! z/ s5 b - 0 d* `* K( h2 \2 W3 C w
- Bullet_Direction_Left_Top:) h9 a. y7 ?) d1 `& t% T
- LDA #$25
3 f; X" B0 d- ]" N4 O - STA Bullet_Icon,X I n# d- m$ j" w ^4 O
- LDA #$C0
8 ]' j+ ]6 s, l8 V$ c! T( d - STA Bullet_Direction,X
8 K2 p5 J E9 i9 n' h - RTS" C8 @' |1 x/ e/ m5 R$ v& v5 J* Z
& _ q3 ^4 H4 I9 o2 N/ M- Bullet_Direction_Left_Down:
" h6 @) D" b" C* V - LDA #$25
' X( c% ^% n# p" g0 T0 G4 ^, u - STA Bullet_Icon,X
0 ^$ l8 w* c+ s6 V! `4 C - LDA #$40: q- l' k9 Z& M5 L. N0 N& ]
- STA Bullet_Direction,X" y- ]: r; A$ D7 a; s5 s
- RTS
& k$ X8 \6 P) x4 V% I1 @* L+ ~
5 q- g0 Y9 F( W; p! A ~- Bullet_Direction_Right_Top:
) @1 G# D2 C! R) A6 p' O - LDA #$25& P- Q' J" _, {
- STA Bullet_Icon,X' V, I/ d- ^2 n7 r
- LDA #$80
: O, u6 `5 Y/ w, o9 I - STA Bullet_Direction,X
3 y9 e& N- T% r5 f( ]8 @ - RTS( b2 q0 s7 {: c' _. y
- - ?1 N' F" W( O, _% U
- Bullet_Direction_Right_Down:
6 e1 V2 `) p( }! ~1 d - LDA #$25
# g$ W5 t9 M# \$ ` - STA Bullet_Icon,X$ S1 x# `- ?' G% ~
- LDA #$00
! k2 { _( h. Q; t3 e4 M - STA Bullet_Direction,X; E; t) L5 i* `/ q6 F0 ^4 x* k' t
- RTS
7 b6 j# g, W5 d - $ c4 a/ M* c. ?% p
- Bullet_Direction_H:4 }; S& F" L$ M j0 e4 [
- LDA #$24
5 \* a8 d ~+ l4 ]$ e - STA Bullet_Icon,X
! e8 Z9 l/ m) e9 e6 ?: V - LDA #$002 G7 B3 y6 H+ w
- STA Bullet_Direction,X
0 r" V/ V+ H) ~ - RTS* f3 x2 G1 s( F9 ]! g, U: K
- g6 ]7 _/ D. b2 q8 \
- Bullet_Direction_V:
: d" a; Q0 B$ \/ @) y( c - LDA #$23
$ M. `) m/ Y: o" N7 {$ ^! L - STA Bullet_Icon,X
: b, i1 ?. {9 t) V# @( R1 C9 }5 i% o - LDA #$006 D( |- ]! R- K1 z/ ?' j
- STA Bullet_Direction,X
2 P2 X3 D W: h, h4 s - RTS7 m2 o& p4 |" \
- ' t8 l6 W8 G1 ]+ @$ F
- Bullet_Speed_Data_Ex:
4 G; G$ Y6 ?) S/ ] - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04/ G. |, ] Z7 p6 D
-
0 S" @1 I' Y9 c) b/ q/ ~+ ]7 ~ - Bullet_Speed_Data_Ex_R:# E6 |" v: P% e# D
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08/ L( m* \; e6 _0 L" X+ X
-
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