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[FC][魂斗罗][J][追踪弹]/ `+ P6 y T, L- ]
' B `1 W' X7 D/ s时间:2023.04.30% @+ B1 w1 a( x3 [0 H- d6 E
作者:FlameCyclone+ p! s5 C. `& i7 j9 S) v. E" j
内容:
/ F3 l2 K" n: U 1. 所有子弹追踪敌人' d9 a h. O1 L; Z, \
2. 选择键切换武器6 k# E; s0 k' c/ f- I" h M6 S
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. ?7 k" M! b$ p7 p
- A* K# K. }7 Y! ]
flamecyclone.ys168.com
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9 S8 ~8 V4 D- [5 m& {- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁8 s' C# h7 J4 n5 K/ E7 H$ q
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
$ P# r7 |! X% k) B5 C) D1 Y - 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)
' H' i' ^- X+ `7 O0 S& U3 F* I - 8 x1 R) ~/ f& k/ 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)7 D' Q+ B+ {, }% E4 _
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上& D2 x9 a3 k" e' ^: ^
- " k3 y; B5 G8 }9 n$ J- c) S2 Y
- Track_Enemy_Index = $60006 g5 V+ g# e7 v/ D1 d2 w
- Enemy_Index_Begin = $6010/ m) x1 G. u, P( r4 n- { W) W
- Enemy_Index_End = $60113 [* J- v9 N3 T; q. \
- # M6 G: u! i0 _1 v$ T7 [
- Loop_Index_I = $6012. }+ f# K$ k- N* j: T! u! q
- Loop_Index_J = $60132 N& J& n7 H# W, E H% {
- nEnemyIndex = $6014
$ f- T6 M* d' g* L - Data_buffer = $6015
9 l9 M9 w) `: S3 a - 7 H/ @; c/ L" k
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标 w) b8 ]* x7 A+ C W
- Bullet_X_Pos = $03C8 ;子弹水平坐标
1 L# ` X" t, x6 Z% T - Bullet_Y_Speed = $03F8 ;子弹垂直速度
, h2 I* \9 R+ {1 p! C - Bullet_X_Speed = $0408 ;子弹水平速度
2 Z6 f3 ~& }6 n" ?) A - Bullet_Z_Pos = $0418 ;子弹Z坐标
& g+ i/ _( a2 L! _# T' j - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P. d; {! p7 H) Y* x
- 4 d( p% l# n) J# H- _
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
/ h& v$ S3 L3 I2 O2 a A. Q M; Q - Enemy_Blood = $0598 ;敌人血量
$ v1 S8 ~" l A8 G @) j3 K2 Y - Enemy_Type_Addr = $0528 ;敌人类型+ X( f0 ]4 ^" ^# V
- Enemy_Blood_Addr = $0578 ;敌人血量( k+ V. k/ k7 r
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
' D* Q, p+ N1 j! W5 g - Enemy_X_Pos = $033E ;敌人水平坐标- [; A+ ?$ T, \8 b3 E
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
2 T7 N3 E a9 T8 u& N - 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. i; v m* l6 R- {) u
- 4 O; v% P5 S+ c: s
- Enemy_Index = $83 ;
+ W- h$ s4 T5 r/ n) ] - Time_Count = $1A0 e" H2 s! Z. j6 X0 K$ a
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率, H4 ^6 |8 q7 c1 I* k
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率: Q' W' [8 H- e" a2 R8 ^
- " b/ j$ `7 ]+ c% x
- " E& g$ b# }3 ?% d; N
- .ORG $6100/ ]! @9 S$ h ]
- Process_Begin:
2 z$ `: e$ r1 P* S, |! h- o - JSR Enemy_Check
8 N' A0 Y! b: V H - JSR Track_Enemy_Check
% m2 |0 y: X8 a% f - Process_End:- P9 _* i+ J3 X2 x. f9 U ?
- JMP $E54F
* v( Q3 p2 N: S9 o0 z7 s - ) U8 G$ b% y) ^& J) n8 l0 G
- Enemy_Check:: ]" i9 c2 S$ r; U6 k
- LDA Time_Count3 t% \8 L$ _1 `& b W2 }
- AND #Track_Bullet_Speed D4 k) |) |7 l& y$ B( U
- CMP #Track_Bullet_Speed# r& R' ~6 Z$ f! `. T! `
- BNE Enemy_Check_End6 r; p7 `2 O# v% v5 n: K
- LDX #$0F
! x* ]3 m/ X8 C& D: L: ` - Enemy_Check_Begin:% t5 a) H) p1 K; o
- LDA Enemy_State,X
, n& |- z0 D7 t | c - BEQ Enemy_Check_Continue
+ n, o+ K7 G+ ~5 a# |/ h - STX Enemy_Index% I- N h& I0 U$ m& u
- JSR Find_Begin_Enemy
; w: H* t- U+ H, I# S - JSR Find_End_Enemy9 H1 ?% k5 T1 b9 r# B0 ^) d& t
- JSR Bullet_Track' g$ H5 v) I6 S! T3 ]7 Z- m
- 9 u& L+ ?* I0 ?) I# \
- LDX Enemy_Index
- \3 p* y' L- [5 [ - Enemy_Check_Continue:
) Q$ E. f: k1 k) t - DEX
9 Z% Q+ G( }3 `7 p N5 R6 x9 T - BPL Enemy_Check_Begin
$ B0 i; Y4 e8 [4 u8 v( b; h - Enemy_Check_End:
: Y, d: l" o# M - RTS5 \; U- f1 ^+ P4 _+ _. Z
- 9 p6 q- V9 ^* u
- Track_Enemy_Check:# n0 j- \1 I: B9 c7 l [, Y8 s& F, c2 E
- LDA Time_Count
- D* T% c* W9 D9 M7 b0 `8 C+ w& V8 n - AND #Track_Enemy_Speed
3 Q& r( D8 D9 j/ h - CMP #Track_Enemy_Speed
: a) Q4 H9 G; [0 v; S - BNE Track_Enemy_Check_End
6 W% U" q# {) I6 Q- U2 k( c; l - LDX #$0F8 E+ v, R' x" [8 z) K
- Track_Enemy_Check_Begin:
% o' A6 F- E9 |6 H( D0 o - LDA Enemy_State,X6 e% Q; v, }. c; s$ O! }
- BEQ Track_Enemy_Check_Continue, W- P& Y/ y$ J9 q: f
- STX Enemy_Index: m* ~9 I: h( m# |. }
-
' M$ ^$ C! d, R! s! H - LDA $40+ T7 s/ N6 _4 X* P! C
- LSR
4 S+ ^0 P5 V- {: g/ D - BCC Track_Enemy_Check_Begin_L1
$ I9 ]- X/ Z# J - 8 O/ ]5 H6 N$ y( \' p
- JSR Track_Enemy_Ex ;2, 4+ z7 I; {) W8 M. k
- LDA #$00
1 x4 w; s, e* a% Y0 p6 V - BEQ Track_Enemy_Check_Begin_L2+ I X9 e5 O4 j5 L
- + V' l, y l$ `4 L9 j8 `! E
- Track_Enemy_Check_Begin_L1:
. B, {. E0 ~! Q4 a -
5 @; }8 e' V# N+ N( o a9 M4 ~ - JSR Track_Enemy: b9 h1 ?6 q7 ^' m- }6 j$ `
- , n" Z2 H2 ~/ ~
- Track_Enemy_Check_Begin_L2:
. ?# U4 r c' n -
; x6 A& U& [* j8 V* o2 z7 u - LDX Enemy_Index1 r) h7 B: U$ k) l/ |
- Track_Enemy_Check_Continue:1 G H& w" H D1 D! |
- DEX/ {7 v+ p/ A! W2 e# X6 X
- BPL Track_Enemy_Check_Begin, l4 n' G! f5 s8 `2 g) v( W
- Track_Enemy_Check_End:
/ s! ~4 y- L; p3 K* o( k/ C - RTS* r' }6 o; Q, |" Z) R0 i: E
- 4 i8 E: y1 [$ C, V8 Q5 k
`( L3 [ r8 c2 A4 L9 a- ;查找第一个敌人4 y4 m# S% O: V( o$ _ G5 l
- Find_Begin_Enemy:
& Z6 g, M9 m$ E# K; h3 b) n - LDX #$004 G! V# z0 @9 g. C5 _
- Find_Begin_Enemy_Check:5 X8 g* e& l9 i" C h: N
- LDA Enemy_State,X
. o; T# L( Y$ y% Z - BEQ Find_Begin_Enemy_Check_Continue
" S$ }$ I. S2 g1 d( n. ~ - LDA Enemy_Blood,X; ^! d4 \' O- K/ k/ K u j* e
- BMI Find_Begin_Enemy_Check_Continue
* C" b6 O5 v, I# y - BNE Find_Begin_Enemy_End. l$ B- k6 r: k: p8 S) f& \
-
7 a& y) s7 h* F% d6 y" v6 ` - Find_Begin_Enemy_Check_Continue:! ?, ?! c; {6 N8 B# \, g! C
- INX' t0 P' _6 k4 I2 _
- CPX #$105 G( a0 H3 Z& | N1 z2 o3 d
- BCC Find_Begin_Enemy_Check
7 Q( ]5 `3 K2 U9 y! P - Find_Begin_Enemy_End:
S$ q6 w# P# `9 w* T - STX Enemy_Index_Begin# K, @* ^# f7 r. n3 ~
- RTS
* Q# M [0 U; ~0 y8 B& ? - $ s1 B; `2 Z6 _* L' j1 d( w: V; `
- ;查找最后一个敌人6 c) Q! U8 Z/ d& C" H2 R
- Find_End_Enemy:5 R" a& w) G3 O7 I4 E
- LDX #$0F
# ~% R. Q. u, ? - Find_End_Enemy_Check:3 K0 o* ~ t; j
- LDA Enemy_State,X
6 s# P5 U4 d! a- X - BEQ Find_End_Enemy_Check_Continue
& O% n+ ~, F' v( K - LDA Enemy_Blood,X
* r$ g+ K9 s8 L O( P* E3 ] - BMI Find_End_Enemy_Check_Continue
5 y$ E i3 c {+ q8 A - BNE Find_End_Enemy_End
! ~) p+ D( o5 M -
/ D$ i2 j7 n7 _- ^3 T4 d - Find_End_Enemy_Check_Continue:
/ [/ N" G* M5 J" P( m0 G - DEX
( b( P8 ^. V& O - BPL Find_End_Enemy_Check" i8 e( B9 @& a# l( s0 W# j9 a6 b
- Find_End_Enemy_End:
$ ]4 x6 O8 t" d9 z# f' s* E - STX Enemy_Index_End$ G0 c @/ D0 K
- RTS
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: |2 [+ |1 b7 k; r2 @- ;子弹追踪) b! m" @7 d4 k; s0 A# m
- Bullet_Track:! v4 t& d3 k1 Y7 k& \7 @3 B
- LDA Enemy_Index_Begin9 N$ ?& P" H1 m/ r, ^7 G
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;" w* Q/ Y# r. b" o7 G0 R
- LDX #$00 ' s2 A& ]; Y" \( Y; {
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)" y% {( L/ H4 `( i6 ~! s
- LDA Bullet_State,X2 y5 D3 ^$ G& Z1 K8 X
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
, ~: {" z) h2 u2 F' @ - STX Loop_Index_I3 M9 r9 T/ B2 Q6 e8 l+ h
-
8 p7 } u6 k& S, V& X3 o - JSR Bullet_Track_Enemy, U' n1 o- i% ~7 p
- JSR Bullet_Tract_Direction
# w8 u! ]" f4 W; o - & Y) t' U. _6 Z: P" 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
: Q& i3 t& q2 T$ P1 t# L - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
2 u5 m' l" a5 }( |1 V - LDA nEnemyIndex/ a. Z" S% z4 o* o
- CMP Enemy_Index_End5 U1 B. F4 o" R, _ B9 [/ u4 I1 B
- BEQ Bullet_Track_Check_Continue0 l) {" y* |' d( J% B
- BCC Bullet_Track_Check_Continue$ Z* p3 B4 s# h1 h3 R) ~# u9 m6 u
- LDA Enemy_Index_Begin4 o" U$ k/ t& R5 o% O9 U
- STA nEnemyIndex
. o# q/ A- z; _) w5 X -
5 s! [5 E+ i/ [" ^! b1 [ - Bullet_Track_Check_Continue:7 p* @5 e+ O- N) k( [
- LDX Loop_Index_I
" A% S" c u* J - Bullet_Track_Check_End:3 W* f% \9 @- p; x
- INX
' X& H) ^; n8 o- C* ^* X - CPX #$10
, h u' S/ n j* J; q - BCC Bullet_Track_Check
$ C" l, g. }0 V0 V5 f5 ~* e - Bullet_Track_End:
% s7 ]+ E' a' \% y5 R - RTS
r# z$ m6 o/ p7 V9 R - ! F- x' T; R8 a) T
- ;给敌人分配子弹& j6 L- S2 F5 d3 j
- Bullet_Track_Enemy:
# w/ i7 v2 R; d) C - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)* z- e. K6 m2 S C8 f7 N
- Bullet_Track_Enemy_Check:: T: L/ _3 i' @, T" j
- STX Loop_Index_J
3 q% E% \! R' S$ D* V -
9 D" O1 B! q+ V. Z - ;if (0 != nEnemy[j] && -1 == nTrack[i])
0 N( ]. t5 w! M, _ - LDA Enemy_State,X
6 B" ^# G$ D4 _ - BEQ Bullet_Track_Enemy_Check_Continue
5 ^ A( }- g) e - LDA Enemy_Blood,X
' k5 K7 n' t" H - BMI Bullet_Track_Enemy_Check_Continue
! y: c( }" W: |+ z3 V o - # I( j; b8 h4 X' j. K
- LDX Loop_Index_I
: A8 I, s9 Z2 d }! e- W7 d4 ] - LDA Track_Enemy_Index,X
) J+ x' m6 g$ d4 l$ W1 ?& T. @" i - CMP #$FF
& r7 [3 W. c2 n) R6 X# {: \ - BEQ Bullet_Track_Enemy_Init n. A$ k9 y; h; x
-
& |- g% Q3 ?3 h) }- L, y$ T: n3 g3 J1 w - Bullet_Track_Enemy_Init:6 T7 H; d9 [; S6 W
- LDA Loop_Index_J# ?$ M5 G6 G! @! x2 c
- STA Track_Enemy_Index,X ;nTrack[i] = j;
$ j4 l+ o; _2 h' |2 a5 m - - G1 K4 _4 b3 l! V ?
- STA nEnemyIndex: K R: {) Q8 m I( x& R) w
- INC nEnemyIndex ;nEnemyIndex = j + 1;
5 b/ b+ J4 f% R. @( l+ y* J - RTS ;break;
" q7 a4 S1 n% }+ S- t1 U. Q, [
0 q6 m5 d, I# ^" T- Bullet_Track_Enemy_Check_Continue:& T( U8 h% @6 x# ~
- LDX Loop_Index_J1 R# h# I1 `# Q0 C$ V+ w
- INX ;j++
- _- L5 ]8 t0 F3 m+ Q: q2 |) N - CPX Enemy_Index_End
4 v4 S }- A1 v5 x - BEQ Bullet_Track_Enemy_Check
9 V( _! a [; t$ h! L - BCC Bullet_Track_Enemy_Check3 u. X; d0 m2 O. S# x, c
- Bullet_Track_Enemy_End:
- e1 u% A' C, F3 v - RTS
# J" G9 B5 W _
5 ?% x Z6 N9 f* i' R9 {: c- Track_Enemy:" `3 e' e6 I. z! @
- LDX #$0F* j8 d+ H# n8 j% [: I
- Track_Enemy_Begin:
% y" I; E, F0 v% T8 }# L - LDA Bullet_Icon,X6 |6 e2 j0 v# N) G5 V8 N5 |
- BEQ Track_Enemy_Continue
% [. l- g0 j" C4 G - LDA Bullet_State,X
! f9 b4 B( S. ` - CMP #$01
$ @' \+ L6 n- P) [& J - BNE Track_Enemy_Continue L% T' y. Y2 T: f* r* k, G
- . Y; f2 T; M8 y r
- JSR Track_Enemy_Process& h6 n. a. T4 \6 J- O- V5 N
- 8 |4 I! ?* k( N. T; D8 q/ r/ A
- Track_Enemy_Continue:; t4 k4 P( U% c+ J) w
- DEX. I& n, B4 R4 d$ U
- BPL Track_Enemy_Begin; ~* g6 p. a% }" x8 E
- RTS5 N& u0 r8 f6 u# p
9 b) H- V' x% _' h; j- ;普通关卡
" @+ v) I& W7 a - Track_Enemy_Process:
' [% k3 n1 e$ g0 F - LDA Track_Enemy_Index,X q; Z7 X/ q7 P6 E- M1 I2 {
- CMP Enemy_Index" U5 C& ~; w% m# z# f* o, B
- BNE Track_Enemy_End
! u# J0 Q" { M - LDY Enemy_Index+ N8 k) [" F8 R, t
- JSR Track_Enemy_Y
1 n v+ r3 Z, I - LDY Enemy_Index
; t2 u. |" V" R! l2 r: X- M - JSR Track_Enemy_X
7 Q9 w( G2 s$ v; v; n - Track_Enemy_End:
* M, y2 m& X" t/ I( f& i - RTS
9 H! N2 R8 I! a" K6 c. i% M -
5 _" r, c7 g$ n- e - Track_Enemy_Y:7 w2 @9 L* B2 _2 ~$ O- F
- SEC
1 `3 P; H% M- s - LDA Bullet_Y_Pos,X
1 |+ R" n: o: [ - SBC Enemy_Y_Pos,Y( J* s2 D" ?1 Q
- BEQ Track_Enemy_Y_Equal
; }. C/ P. g2 }4 i - BCS Track_Enemy_Y_Greater( N+ o* L. C$ J' R0 e$ A
-
# v: x% e, y$ [5 ?' _# V$ f - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
! v" E2 S8 ?$ R7 } - CMP #$FC
; i. ^& Z, ~5 w1 S' [, C - BCC L1_1
0 M9 E* t: o, t& [ - CMP #$FE) ^' c0 P' F3 X" j- z# a# S$ f
- BCC L1_2
! q7 ]% b! u- t, J4 k% l - LDA #$00
& @; M8 I0 C* M3 `9 G/ p - STA Bullet_Y_Speed,X/ h+ \: L% Z% }0 l2 F
- RTS
; p1 m, h) O) ] - L1_1: 7 I- G1 L6 ~3 f9 w: ^& g
- LDA Bullet_Type,X
- T8 n& B! u7 _& ?. k - AND #$0F3 S) x. V0 S z! e" }
- TAY' j8 f% V; r4 @2 L- {2 F, K
- LDA Bullet_Speed_Data,Y
2 k4 F/ Q) g Q - STA Bullet_Y_Speed,X
3 y2 A R S+ m5 p: t( K3 I0 d - RTS
* h0 N% C2 x" L+ U/ z O - $ L5 W2 b/ Z* J/ i6 K
- L1_2:
6 x; }& J; s) M7 e! j - STA Data_buffer
4 h- R6 I! V" l2 F - LDA #$00
- M; g V6 v: P) E- F - STA Data_buffer
; Y4 X0 k* M: r" A& o% c; x% E5 l - LSR
* p- j6 U7 _! m+ @( F- @ - STA Bullet_Y_Speed,X
, D5 q; k. a. z1 i& p1 S - RTS
: G0 H& E9 g A! j- R' Q - # U* i/ B+ G. K
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y1 ?8 n9 Y# C5 a1 |
- CMP #$04
1 U9 ]6 ^9 @: N# Q7 k5 O - BCS L2_1
U' l7 [1 C7 B h0 |2 g - CMP #$04
- f- e- T8 S0 @ - BCS L2_21 N8 ~0 E) G6 @, [+ f1 B( {6 Q8 Z: `
- LDA #$00+ }" t& W3 K9 [ B8 Z) M2 d
- STA Bullet_Y_Speed,X
; s, V/ i+ x t9 E; w - RTS
' h; d: q" b' K - / F( \4 I; m" S7 p4 k) K, X
- L2_1:
" ]- \/ Q& u0 @' M. B# u I - LDA Bullet_Type,X9 H* W1 z) r7 e; O, H* R
- AND #$0F
8 m4 k: _: a! U' i k - TAY3 q5 Y! h3 w; T& U9 c7 Y
- LDA #$00$ ~1 z- T- F% [
- SBC Bullet_Speed_Data,Y; C% O$ w. Z* g1 D9 \) G6 h5 M( K
- STA Bullet_Y_Speed,X
g' y. }; j; I% x7 X7 B6 ]! X - RTS
; E; ~5 ?9 J* I* _- n, ~5 ~* q -
s) Z7 J, X' e7 i - L2_2:. m6 b+ ?* u6 _) {6 [
- LSR# z r8 F. w. F: \6 |3 L, V- y( m+ S6 E
- STA Data_buffer0 a2 i; G. K9 b7 C0 [2 r
- LDA #$00" `2 N" i. z$ e. f6 u' r6 S( R- S P
- SBC Data_buffer
& Z7 R' w$ F; U- x$ G; h. k: \ - STA Bullet_Y_Speed,X
: F3 D6 x/ j/ k8 |, S5 L; C/ G5 t - RTS m- v7 {. J5 B' c2 ^6 f6 i
- 9 Q. Q! P6 ^: T# F# M p
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y$ X- L' p. k$ f# {5 e* H
- LDA #$008 M6 W/ O/ k, E6 {7 r; c! d
- STA Bullet_Y_Speed,X
$ V) H% _, Y& { - RTS
2 ?, W0 K* \5 p - 1 F M) y1 B% A9 Q; N
- Track_Enemy_X:2 R/ h4 m& Z3 u% X
- SEC
0 u; t$ W" G9 E. X0 ^; A7 R - LDA Bullet_X_Pos,X# A$ x' ^9 O" O
- SBC Enemy_X_Pos,Y
' D* u+ B! }' ~# K" x9 x! R9 S - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X. {* ~+ T5 I) Y9 o, b9 N/ X
- BCS Track_Enemy_X_Greater ;子弹在敌人下方: h! f% s6 c9 J
- - d) |/ Q2 |1 o, ` t) o" ?* ? u
- Track_Enemy_X_Less: ;子弹X < 敌人X' G0 {& M+ z$ E) G# ]* x
- CMP #$FC j+ ~: ]+ {& p' [4 _( A. Q
- BCC L3_1) ^) K8 J- J) _7 A. M0 X
- CMP #$FE# r1 r! I1 U6 p7 o' t
- BCC L3_25 c+ x8 Y2 g! Q: U1 ^: m
- LDA #$000 w, U7 P+ z& e7 j" H0 f
- STA Bullet_X_Speed,X% z! {9 `4 D# P2 Z( n2 Y. g
- RTS6 K5 [3 W7 ^& s1 n7 R
- L3_1:
% y2 C, n! B& w5 ?% b - LDA Bullet_Type,X3 Y1 n; p( j' l
- AND #$0F5 Z. ]+ B0 {$ c
- TAY" B. O+ D: q- F
- LDA Bullet_Speed_Data,Y
1 L/ y m: T- W2 X - STA Bullet_X_Speed,X8 @8 H" _+ ]1 ]5 L1 y
- RTS
& u8 f% { K, O( Y. a5 r - L3_2:
8 ^. e( I7 y, \, l3 V8 H) V - STA Data_buffer& B3 [! \% ~, d5 n7 i' \
- LDA #$00
' I: n9 z) Q0 f1 i% G" ~ - STA Data_buffer J3 D& o. K& s# Q5 b
- LSR8 k' n1 v; |+ J m
- STA Bullet_X_Speed,X
( o+ R. z, P% ~, C& k; M2 H7 i; z! h$ W - RTS( S$ t+ R# X' I: h
- 4 s6 ], o# m8 f
- Track_Enemy_X_Greater: ;子弹X > 敌人X! |6 l: l q2 \
- CMP #$04) N- C+ x5 L: g
- BCS L4_1
) U" j7 F+ T( m }# | - CMP #$028 B, }, p! i" X& ]! O
- BCS L4_2
: M5 ~) _- g1 Z8 ~ u4 z - LDA #$00
3 ^3 l7 F6 F' u3 D - STA Bullet_X_Speed,X2 J( K) r) u6 f* {/ P
- RTS
" B1 H" [ n0 ~' c -
" h8 S7 \' A6 S0 L3 w, ~ - L4_1:
b( x( g+ K* n' Y i - LDA Bullet_Type,X) q) J/ V, B! P5 Q& M
- AND #$0F i9 F% x) q* Y( t2 Z3 B& l
- TAY: ~! J: l( }7 j5 ]1 _- @! j& N
- LDA #$001 |. g% j2 U) R' Z- k9 O
- SBC Bullet_Speed_Data,Y
. f3 k5 ~6 ~% M - STA Bullet_X_Speed,X) }& a/ Q& W: s7 d- N
- RTS
" Y2 [8 Q; n" U1 Y' G( j( A! M; ] - L4_2:
e4 N* t) V, k$ }6 C - LSR4 s/ |# }, k7 x! \1 n
- STA Data_buffer
: M3 Z( \- G& u3 I O - LDA #$00
% v" P3 g( I' f! `7 @ - SBC Data_buffer) T: }& c( [' \4 M. n/ U, q
- STA Bullet_X_Speed,X
& [9 X, V( P; G, F/ k* k" z - RTS
9 C& {' O; O& b( u/ z - ( \# z, ?* _9 g0 o, F! X" N
- Track_Enemy_X_Equal: ;子弹X == 敌人X0 N1 s# N0 [7 c2 ]( j) Y0 Q
- LDA #$00+ Z( G& r5 P5 q
- STA Bullet_X_Speed,X+ q6 k1 P4 v/ r+ N
- RTS9 t; L% L# X+ t* @/ B
- , L8 ]/ V9 E, X) q
- Bullet_Speed_Data:) d9 F) ^/ a# c' ]
- .DB $00,$03,$03,$02,$03,$03
. r3 X4 Z+ h3 W -
8 O2 E, Z/ ]) B U ^/ s& l - ;2, 4关, }2 {" D2 R$ v# W
- Track_Enemy_Ex:1 S$ O* \3 [) N' x
- LDX #$0F
( C$ g) x4 Z5 l% b u. W - Track_Enemy_Ex_Begin:
: |$ B- }2 H( ~0 C - ; i! i; F) ~" r
- LDA Bullet_State,X
* V. i6 @5 m! F8 M) S - CMP #$010 l+ @0 j) b; X4 S; U. d" Y* r. h
- BNE Track_Enemy_Ex_Continue) ~" x* L6 c1 _$ s
-
1 l. B! V# [7 Q f5 |* L - LDA Track_Enemy_Index,X- f: H4 R Y/ c1 A
- CMP Enemy_Index
3 C2 K- b2 n' O6 v: } - BNE Track_Enemy_Ex_Continue ;匹配追踪目标 [+ `8 R7 m% ?3 a, f7 `; L# D6 i
- 2 o; t* _/ H; _! z4 Q3 u# d
- LDY Enemy_Index
2 o, d w/ P& q. n - JSR Track_Enemy_Ex_X
; M# L q8 t6 O3 r - : D& x2 ?" f# |, ~" C7 n
- Track_Enemy_Ex_Continue:
3 c# I$ r& s- w) D7 a$ h& v - DEX
/ ?3 y) I2 \! x& U2 D - BPL Track_Enemy_Ex_Begin
+ K z. v' S$ N; _7 ^2 w - Track_Enemy_Ex_End:
5 N& K+ o3 J+ i% i$ {* a - RTS
" ]5 H- W$ G0 a; x; ^' G -
4 g0 R- I$ y: M1 @. J* R- E - Track_Enemy_Ex_X:
3 o P0 a. Q1 g' y6 V* u - ;LDA Bullet_Z_Pos,X
) q( T: d; c* n& K+ c! k - ;CMP #$04# ?( t ]" v/ |8 {2 k" C3 u
- ;BCC Track_Enemy_Ex_X_End
& c+ o0 j/ x' U2 c - SEC1 g8 X- D2 ?' w, D# ~" |; E
- LDA Bullet_X_Pos,X
/ N: B4 @% @9 |0 O - SBC Enemy_X_Pos,Y& F g* @) w7 Z% x
- BCS Track_Enemy_Ex_X_Greater
1 T# } k! ^+ K. L2 Q! | - 3 b( b* \4 I5 V( [9 W
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
4 M0 x n- v5 d; Z5 ^/ g - CMP #$FD
, c* h+ g+ U( R. I( d - BCS Track_Enemy_Ex_X_Less_End
; d/ F$ y7 _: V - LDA $6020,X
5 d3 [2 }5 f% {* k* v* N8 ]7 v - CMP #$2A
. G3 }" o( r. V7 O$ M - BEQ Track_Enemy_Ex_X_Less_L14 r. v/ y0 E( G/ Q
- LDA Bullet_Z_Pos,X
8 X9 v. j8 g; Z8 A% u' K5 E. J - LSR. q* L" j. T, n( z- Q; t
- TAY; I1 I; b( w2 V w0 R3 g2 [
- LDA Bullet_Speed_Data_Ex_R,Y
* f% H2 h5 a6 [& I: r& Y1 @/ | - STA Bullet_X_Speed,X
( x5 n4 `% [" i4 V - RTS# S( }+ W; I* W3 e
- Track_Enemy_Ex_X_Less_L1:
. E2 i) a& e% [# T+ O F( m4 H - 7 C* R" H' j. \. B8 \+ J+ v( M
- LDA Bullet_Z_Pos,X9 z2 I c; h4 {3 s7 x: x% j
- LSR
. [( p( [* z _ - LSR2 B; `9 { w9 k8 O
- TAY
+ q0 l- g; y+ e6 Q5 U" }, \6 Q: q - LDA Bullet_Speed_Data_Ex,Y% H0 f9 D2 }2 s- B9 j
- STA Bullet_X_Speed,X c6 B) o, @/ l- E4 K* t
- RTS
, m- Y' [1 T4 e: Z4 r - * s3 U' M0 T0 O _7 \: T
- Track_Enemy_Ex_X_Less_End:
9 F- Y/ R' G( \6 h5 q/ l, N& c; c; o - RTS) e- X, L0 h, n# {% B7 W5 P; ?
- n+ {5 w% O$ v% `# y/ b9 w5 _) V
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X7 m' _* o! M; X8 h
- CMP #$03" b' A& R2 o+ v& I
- BCC Track_Enemy_Ex_X_End; X0 g' C, N+ j* s4 Z, N; M; N
- LDA $6020,X
! s! a7 v X; t& I - CMP #$2A
" S( n! r2 j# [5 o5 O% ^1 i - BEQ Track_Enemy_Ex_X_Greater_L1
# X1 o, W1 w# R* ?1 @ - LDA Bullet_Z_Pos,X
* o U# W' H% L4 J9 |6 B& n5 K6 y - LSR7 E1 j6 I/ z' \; A) e
- TAY
3 S- S; h3 f3 F - LDA #$00% T+ S( e% d& g
- SEC
% Y) G, f+ U, M3 R+ I - SBC Bullet_Speed_Data_Ex_R,Y
+ a& i1 r. }# k- g$ g! `2 d - STA Bullet_X_Speed,X1 X6 Y/ J3 o) c4 Z9 _$ Z
- RTS: m9 W* o7 a ?- B0 }- n! _' i
- - ^9 Q6 k: R4 @& A' S
- Track_Enemy_Ex_X_Greater_L1$ e; Z0 ]3 u3 X+ _- E
- LDA Bullet_Z_Pos,X
# u) i! |# t0 z0 M - LSR
5 }1 J8 d1 h' E5 L2 D) ^6 [, D. j - LSR
6 t. n; P Z1 R* ^& v, N* G - TAY8 D8 J+ _; S% }
- LDA #$00
k7 p* b) n) i4 V+ M - SEC7 b6 N u& Y, u
- SBC Bullet_Speed_Data_Ex,Y: P! `/ @2 i% X8 ~4 D
- STA Bullet_X_Speed,X9 @% |; n+ v! d9 w( _
- RTS/ ]- W* a4 R7 v( D2 @1 p7 a. U
- + n X; Z3 w# p y: Q. d! K+ O- R/ ?
- Track_Enemy_Ex_X_End:; }8 V# w% W% z. y7 a
- RTS0 f: l9 z0 X/ j$ F
- / e+ ]# m- v5 A R3 r/ W
- ;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)
( `9 C: h; f1 R - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
4 G0 Z7 C+ d& A4 X5 y0 N; z, f) F - Bullet_Tract_Direction:/ F; @' T9 V, E/ K/ [& G
- LDA Bullet_Icon,X
" h. d+ ~8 L1 v5 N- ^- u. _2 Q - CMP #$23
' p$ {0 V- M$ I/ q, Q8 j! s; y - BCC Bullet_Tract_Direction_End( B1 h, }+ ^0 Z e4 b' J# }6 O
-
]/ c% [( {/ j3 w; o - ; X != 0
- I5 D4 Y# Z9 J) O, O/ ?& G, e3 Z - LDA Bullet_X_Speed,X( }- w% O" X0 ]
- BEQ Bullet_Direction_V/ W) L/ ]0 p( }8 `; c6 M
- / }% g* `: Z9 Y; I3 i
- LDA Bullet_Y_Speed,X
$ Z' t* ]9 ^' d4 u5 n9 p - BEQ Bullet_Direction_H
5 A1 n1 d6 b( W, T' P - 2 a( f- @9 R0 F; x4 J. N: T
- LDA Bullet_X_Speed,X, A3 E/ j; a! C* V0 S
- BPL Bullet_Tract_Direction_Right
! H- o1 ^7 S7 k* m/ Z C) v" c - Bullet_Tract_Direction_Left:
" }# T; Q" E4 s' A J: J# { - LDA Bullet_Y_Speed,X
. J! r3 y) ]( d - BMI Bullet_Direction_Left_Top
( Q! Q0 v: f1 d: ? - BPL Bullet_Direction_Left_Down
3 v# V( j& S1 A4 [+ R7 C6 O - Bullet_Tract_Direction_Right:
7 v, ^7 H% c( \8 N - LDA Bullet_Y_Speed,X6 U6 [% N" R. ?5 @. ~, d' W, j
- BMI Bullet_Direction_Right_Top1 {# U2 {4 [! u
- BPL Bullet_Direction_Right_Down/ m! w; C+ s* R! a3 Q2 H
- Bullet_Tract_Direction_End:2 m# [+ C+ [* t5 G
- RTS
; A8 o7 H9 F5 o; Z8 h+ ]- V
! T: I" ]# \5 G3 ]- Bullet_Direction_Left_Top:3 [4 t& u9 Z7 G( k5 R2 a$ M% C
- LDA #$25* S' C9 y5 F2 q/ `9 X; S
- STA Bullet_Icon,X
, O5 @: g* p3 V0 e0 T) j - LDA #$C0" a( j' v$ z% s6 b: R
- STA Bullet_Direction,X0 u- a4 _# E$ b. H: g1 l# F0 Q
- RTS5 V& U2 e1 l! \9 P2 }# j
s3 ~) I# F& n! Y1 G$ y- Bullet_Direction_Left_Down:
0 \ C! B9 J% K! g3 _( ?* i# U - LDA #$259 g. p. M% @+ I& f1 p1 z' e
- STA Bullet_Icon,X
' l, c- Z% v' p) ?' P6 S - LDA #$40
. n$ T p7 N, G0 ?4 d - STA Bullet_Direction,X) v$ O8 T7 b D
- RTS
0 s& ?" h. h J H' D" u* @( m
) i/ K: k3 Q! h- T- Bullet_Direction_Right_Top:
! d3 D* q2 E0 {$ [/ I - LDA #$25
0 K6 c) Y/ J- H5 ]: q$ k% E - STA Bullet_Icon,X
8 l/ c0 \' a' r. S- c8 h4 Q( v - LDA #$80& ~1 b n" V; N' ^
- STA Bullet_Direction,X% x6 e/ V8 g- l1 N6 M
- RTS
| X. |! P( q1 H' M/ {( F0 `
' {4 d3 T# Q# @; t; u: _, N0 j- Bullet_Direction_Right_Down:
$ C$ F2 p* \, i7 M) C9 [ - LDA #$25! d' _- f( O% l! ]) f0 {( {! _
- STA Bullet_Icon,X- s8 M- _4 T5 g8 l$ }/ l9 @
- LDA #$00! h- m( W' j! t' ~. l$ D& V5 Q
- STA Bullet_Direction,X
5 f2 t# r% H; F - RTS- M2 b9 i/ O% D$ y/ |
& |9 ~) ?& b6 y# y7 s& l* g- Bullet_Direction_H:
; y4 l' k q/ C7 |' i# j" n9 b6 I - LDA #$24
+ ~; Y& N; d9 z. K5 D3 p - STA Bullet_Icon,X. i! ]+ O7 p; `! g
- LDA #$00
' u% o7 e) v4 D, }4 a, i2 k5 {: R - STA Bullet_Direction,X
7 w; p7 z: d* W8 y - RTS; T7 X3 v1 M. t/ S& R N
- 2 O9 h. z) |, O& m' p
- Bullet_Direction_V:# Q0 L4 K$ @' I& a3 j
- LDA #$23
9 F3 h) K4 Y/ W! H8 Z - STA Bullet_Icon,X, T7 O7 [& m+ d/ g
- LDA #$003 s+ T. I3 U5 H1 {& A# v: @2 d! E
- STA Bullet_Direction,X5 ]0 O4 K* `$ B6 H
- RTS
, d K' {5 H' H! y U. U
) o# F1 {9 G- A) g2 p! x- Bullet_Speed_Data_Ex:, _0 G4 h7 p+ r8 g3 c
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
5 L, f1 @; q+ i8 {& _( _# U -
: u. t ^4 |7 s: `3 u+ C g0 c - Bullet_Speed_Data_Ex_R:: e7 `" x0 G" @8 Y H" Y4 E
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08) S V4 t, C$ @! z* `
-
复制代码
9 Z6 h: z3 l& `: X9 Y4 q1 d$ g; g: d/ N* W
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