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[FC][魂斗罗][J][追踪弹]# R( ]" W: Z2 G$ c" d0 t
9 [9 P% ?7 B _+ I3 r$ k* o% v时间:2023.04.30
0 U. c" Y2 P" ~" U# n作者:FlameCyclone
2 k; J7 Q, U! d6 j# z1 w! t7 H内容:
/ ~' L- n: e0 P3 @2 ^$ E+ y! I5 C 1. 所有子弹追踪敌人
+ {$ X. S* y7 Z7 `/ }2 `' Q 2. 选择键切换武器7 Q% Q/ U! g$ N, o0 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/ N2 H+ E' g7 s7 h# u8 A9 A
$ w9 N- x$ Y# }flamecyclone.ys168.com [+ e: E% ^, m0 b
' z; }: Z4 h2 w! b& r" Z
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
9 v3 `+ U" ~1 N( c- ]5 P - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
3 e/ u7 W0 r1 H" X: w - 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)2 }4 I! {* T: S
! ?+ \+ \- b# S. u- ;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)
$ C- _5 D3 V1 E5 F - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上% ~ H* e$ [) B" ?; m
" u% P! ] ~% ?- D- Track_Enemy_Index = $6000
5 Q, u2 c/ i! t( R" j9 Z& S H - Enemy_Index_Begin = $6010! x; V4 v6 X- \5 I u2 W/ Y
- Enemy_Index_End = $6011
$ L% X. \+ o3 B& P% a - 9 R# V6 p4 p- R
- Loop_Index_I = $60124 f- W, l0 d1 z$ _
- Loop_Index_J = $6013
, ~ t, }6 c: p7 O% d" G - nEnemyIndex = $6014
3 H! c: p& Y- j! Q0 V8 @5 n/ v - Data_buffer = $6015: ~& d& O4 j6 F* [1 M" {9 k
- ! M8 T; z# |( u9 _2 q8 ^
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
: H3 ?1 s) u t5 [7 w' | - Bullet_X_Pos = $03C8 ;子弹水平坐标
% q- s$ m$ @. H: R6 c! ]) s* K - Bullet_Y_Speed = $03F8 ;子弹垂直速度4 d# Z/ x. q( k$ z1 W c$ {+ W
- Bullet_X_Speed = $0408 ;子弹水平速度
5 j8 x/ d! {5 [+ h$ i6 r - Bullet_Z_Pos = $0418 ;子弹Z坐标- i& T3 g% d* s4 N
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P6 x% o; u) M7 K$ X9 A
- 2 T2 o y; N1 I; M, M% k
- 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3 l, S0 ^! N% z L7 c: |
- Enemy_Blood = $0598 ;敌人血量
& u& c; h0 w2 }" {, H& r% ^ - Enemy_Type_Addr = $0528 ;敌人类型: T/ }6 r# E# \( V
- Enemy_Blood_Addr = $0578 ;敌人血量
0 X) p" E9 ~0 R - Enemy_Y_Pos = $0324 ;敌人垂直坐标
, `6 W% x+ d8 l) [) ` - Enemy_X_Pos = $033E ;敌人水平坐标
; V0 J* }4 W( S2 M9 { - Enemy_Y_Speed = $04E8 ;敌人垂直速度2 P9 | a P8 y0 O2 k
- 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* U, Y" _' R4 g$ S' X
- 0 i8 i, `5 y5 @7 Q8 j
- Enemy_Index = $83 ;
3 {! f" D$ X4 m: c) e - Time_Count = $1A
8 x( q) l4 _" x7 R- d, O+ Y9 n. G. t - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率/ _& O2 S" e8 d+ [! g8 n. X, q& \
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
& M8 q. l& X5 j8 [- D - ! X' @8 }5 T. H& U% D& h8 V
. N+ v% W/ ]' x: h5 T( G- .ORG $61008 q7 V! Q" w& _3 u% c) j
- Process_Begin:% O4 m4 w) l: ^
- JSR Enemy_Check. j% u9 |8 ]; T( o2 E( R# y; N5 l
- JSR Track_Enemy_Check
8 F* ~. V5 ?6 d# Q+ U, t p - Process_End:
& _' j- }8 [) K - JMP $E54F3 X7 d% y' X( O$ [4 G# s y7 h6 r
7 ~' _: ~- s( Q2 J) j B- Enemy_Check:
; s. }8 P; j W2 `) p - LDA Time_Count
6 F- f( K1 Y, M% E, f) L( ^ - AND #Track_Bullet_Speed, X2 K/ I2 f& v0 w' @
- CMP #Track_Bullet_Speed
& s4 ^8 n9 k) P G$ f( i& a- @% R2 K4 L - BNE Enemy_Check_End
$ z4 M4 d* t" I; O - LDX #$0F
- B3 B) T# S$ q! X! V% d6 N: m - Enemy_Check_Begin:
" o- ?: C9 c3 G3 R N4 O- f - LDA Enemy_State,X+ Y& {* ~; Z+ {9 {6 P
- BEQ Enemy_Check_Continue7 _% J! f8 W8 Z& s* z4 t" d& ]( h; }
- STX Enemy_Index
6 h5 G9 D8 a, h - JSR Find_Begin_Enemy
, C' t, X% N1 c* B - JSR Find_End_Enemy
. I! d3 M6 Y: q" B, z - JSR Bullet_Track- `; M) \0 I$ }0 M
-
) Q% Z* _" g. k. @ - LDX Enemy_Index
" `! O* G5 D' k, a - Enemy_Check_Continue:
* T' {" G, U: v" ^ - DEX
- s5 I- n [7 n - BPL Enemy_Check_Begin O' x# {$ B6 o5 Z* i! {
- Enemy_Check_End:
& F/ T) H5 [- ` - RTS
) w1 N! }; L- x# @ N' i -
% I% p" K9 a) }# ~& L - Track_Enemy_Check:2 L2 [' U3 R& Y2 X6 W' r& A
- LDA Time_Count# u7 A( D1 j. R _, s2 K0 _- |
- AND #Track_Enemy_Speed+ _; E. L0 c3 R1 k
- CMP #Track_Enemy_Speed
$ {9 ?( b( b: j/ b. J - BNE Track_Enemy_Check_End. H; K0 L- r9 R6 M8 t# Z; ?
- LDX #$0F8 d L+ J/ N4 @' y: x# t6 W$ ?
- Track_Enemy_Check_Begin:, @, \% }9 Q! j5 M' F2 v
- LDA Enemy_State,X
' _6 Q, @8 q- q5 o! N - BEQ Track_Enemy_Check_Continue/ F5 D/ K5 A/ F- G) V/ S
- STX Enemy_Index8 t% d! {+ ]8 A* S S/ C: l
-
, [6 j( A6 E! b8 k - LDA $409 E, Y7 w0 |+ J7 P% G% n
- LSR2 u" i) C/ J3 |" j5 Q7 w
- BCC Track_Enemy_Check_Begin_L1
! ]2 t( w1 L. g; @* i: m - - _0 S; _+ M B" ^4 ^) j/ a ^
- JSR Track_Enemy_Ex ;2, 4- l% g# P, _8 F# E
- LDA #$00
! x' L4 J+ [$ F - BEQ Track_Enemy_Check_Begin_L23 v% n" w I, }& D+ b
-
/ @# Q9 B* F) w' ^" c1 { - Track_Enemy_Check_Begin_L1:- s, P* ~$ E# j8 P$ q) C; b3 P
- 1 U2 o' y- {, {) l: e; p! E: D( C
- JSR Track_Enemy
% z- s0 U- k( N; K
. t5 K/ x3 ]' j8 e( Y2 S- Track_Enemy_Check_Begin_L2:( n! j3 d3 q1 d q
-
2 {, p$ ~3 ]6 ?% d; i - LDX Enemy_Index
, c4 O% G4 t* a) w6 e. x; P8 S - Track_Enemy_Check_Continue:
8 D V. t; U* x2 m* m - DEX9 K9 M, q5 _3 {5 e& e, ~
- BPL Track_Enemy_Check_Begin
9 p- f8 V& {, j4 _( u - Track_Enemy_Check_End:
6 m3 N0 j* m8 o1 G - RTS# y3 f% Q2 u- r2 y. R
. J( [9 b% ]- Y6 D5 b- o- ) Y4 ~; f# o4 w7 o2 @$ k9 r" L
- ;查找第一个敌人" l) ~8 P- \& q+ t" A) d. D1 A2 _
- Find_Begin_Enemy:
: Q( E+ i9 n0 I - LDX #$00 B" \) _1 l0 w3 T
- Find_Begin_Enemy_Check:
6 R4 a) I o5 ~5 y- B6 F9 `" X - LDA Enemy_State,X
/ I, D5 ?& V8 ? - BEQ Find_Begin_Enemy_Check_Continue
2 b7 ~) _+ R$ G - LDA Enemy_Blood,X
1 S! W" w% b& @% d - BMI Find_Begin_Enemy_Check_Continue# Z. }! o. |7 O3 a
- BNE Find_Begin_Enemy_End
% P. F1 R P% N3 w2 G5 ^ @6 l -
( W. f% }6 t. O! E* q4 Q- [ - Find_Begin_Enemy_Check_Continue:, p1 p3 y5 F2 j* w2 t4 J
- INX
/ _/ k/ f) ]4 W - CPX #$10
( j9 {: I0 f" w3 k4 n1 @* D- t1 v - BCC Find_Begin_Enemy_Check
' w1 g. m6 k) t/ a- m0 L - Find_Begin_Enemy_End:
5 k4 D2 {' e" b5 Q) ? ^1 ] - STX Enemy_Index_Begin
# ]1 ]5 i8 y/ Y* b0 j% A$ Q) @ - RTS6 v3 x: A7 e* q* {. u. s& r) E
- & A, V: j9 W9 _8 Y
- ;查找最后一个敌人
C& p& H. h6 s2 ?8 s - Find_End_Enemy:
8 n2 L' _9 D+ f4 y- [: i - LDX #$0F
' ^& E0 R# u$ H- Z3 ? - Find_End_Enemy_Check:- u( a/ p" ~) H
- LDA Enemy_State,X
% p" L3 V; l. E2 e' l( J4 K: l - BEQ Find_End_Enemy_Check_Continue9 c) x8 @/ H3 P1 g
- LDA Enemy_Blood,X
# W' L* S3 n6 L! k+ g; B - BMI Find_End_Enemy_Check_Continue4 I- c; Z* ]$ j
- BNE Find_End_Enemy_End
+ J( f1 [% c' _- r - $ a8 b7 u' L' f$ r* ^6 l& g
- Find_End_Enemy_Check_Continue:. j, g( M* V8 c: ?: J" D. ?2 a
- DEX3 W9 g8 p) x a. ~
- BPL Find_End_Enemy_Check7 T- N: q1 d+ ~; G: o+ I/ n8 E
- Find_End_Enemy_End:
0 v( {6 ^2 \1 v; T1 v0 ?2 a$ ^4 } - STX Enemy_Index_End
5 T: Y! D7 y" E; {0 q+ l - RTS! l6 [7 t( e/ c- ^- H6 ]
- 7 w3 \/ Z9 u: F
- ;子弹追踪
' j. D# f( P8 W8 e% K5 N4 | - Bullet_Track:
T$ [) _& ?2 Y' Y9 z - LDA Enemy_Index_Begin
, b; m5 s2 |5 b - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
% N* b3 U E- Q- ?( e! C/ z - LDX #$00 ( K/ h- x! C1 _+ v& b4 e
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)9 U( J+ n8 T j- Q: c6 R# w) B
- LDA Bullet_State,X, P- g9 g6 B3 D+ S+ j
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
! U0 ~2 g% e" |; o* q9 x - STX Loop_Index_I
4 t4 n# X# N0 ^, n% f -
) G: {3 @7 }7 k( \ - JSR Bullet_Track_Enemy- m. s) `# Y" S0 k3 w
- JSR Bullet_Tract_Direction
# B9 ~3 v6 o# z, f s -
- g- s; X6 b W, p - ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪8 j8 X& U0 Q5 M- L$ G7 H
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;* D7 J. a3 @! ]+ \; x8 y4 J
- LDA nEnemyIndex, w! t$ N( U0 ]( W. X# i$ I5 a' m# T7 b
- CMP Enemy_Index_End
% r m6 A z; V4 o, r5 e$ N" f: S. J - BEQ Bullet_Track_Check_Continue
1 }& L, q. W9 A5 k0 @" Y7 w - BCC Bullet_Track_Check_Continue/ u+ U* _# H# S/ L1 V3 ~$ u; J
- LDA Enemy_Index_Begin1 `! h( e& W" {1 {
- STA nEnemyIndex% u) X3 P) a0 v
-
" l* G1 r/ t+ m# I& S - Bullet_Track_Check_Continue:9 _3 p. |) \. e$ C: L' C+ G
- LDX Loop_Index_I
# n& r; i: u* y3 X: H7 o - Bullet_Track_Check_End: a2 m, o3 U# z% k, p
- INX6 a9 ]5 F* x* l, s4 l
- CPX #$109 f. l& K8 O8 G
- BCC Bullet_Track_Check
% c) n3 M" g, l8 b7 } - Bullet_Track_End:
0 ]. H/ G: U! `4 { - RTS; Y4 `% G! D1 n/ `1 P
- 3 N* |2 g" M) _* ?, u" a- B: b
- ;给敌人分配子弹
8 O, y/ ]2 x& q* P0 F4 a - Bullet_Track_Enemy:" N/ I! ~3 L% k7 R* ^3 v% u. b# I
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
. P8 D/ ~0 f, ~+ Z9 r - Bullet_Track_Enemy_Check:
7 \9 r8 @* C* l9 k4 Y$ H0 h - STX Loop_Index_J. t2 N/ Q. u$ q: ]
-
' E# t4 {: ]' q% n+ M" M: |4 l- o$ Y - ;if (0 != nEnemy[j] && -1 == nTrack[i])" L- j8 N) ^# W% @; \$ }# Z$ E
- LDA Enemy_State,X# L W& [1 o+ L; u3 P' [3 U5 [
- BEQ Bullet_Track_Enemy_Check_Continue
! X2 p% w0 F( h, f - LDA Enemy_Blood,X8 G) s( Y. s9 E& M
- BMI Bullet_Track_Enemy_Check_Continue
2 A) J) M' x' P -
- M6 d7 w6 m# d' l6 \( l' V, h - LDX Loop_Index_I
8 I( K- G7 N$ Y/ B! _* v/ U - LDA Track_Enemy_Index,X
) @+ K- W; G' j1 R8 n5 S( n - CMP #$FF
& O6 D9 T7 e- G) A2 W. f. f - BEQ Bullet_Track_Enemy_Init6 @3 ^# H( Q; M! v& n( }
- " o4 Y5 H9 ]# S ?
- Bullet_Track_Enemy_Init:5 I4 |; z" W2 s5 v
- LDA Loop_Index_J) [3 b5 U; z: D0 l; S
- STA Track_Enemy_Index,X ;nTrack[i] = j;
8 X; I4 G/ w# n# l9 u -
' A& Y, [' o# T) f" ?& i+ i& A. Y4 U - STA nEnemyIndex1 h8 Z0 `/ e$ f. b
- INC nEnemyIndex ;nEnemyIndex = j + 1;
) w/ p6 g9 Y9 d - RTS ;break;
- W; n% Z- n) ^# h$ q' [0 p - + E+ J! b% q3 W8 |0 g
- Bullet_Track_Enemy_Check_Continue:. }9 B) E$ ?/ {1 ]
- LDX Loop_Index_J0 R, c( o( G8 Q, V. o, R6 K
- INX ;j++6 ?2 y. C; g6 C5 y4 o( G/ U' z
- CPX Enemy_Index_End
* f1 q6 G4 M* f5 m, o& |% r& y - BEQ Bullet_Track_Enemy_Check
/ A2 z2 `( F$ N6 V# S9 H2 Z - BCC Bullet_Track_Enemy_Check
: ?0 |/ U- v8 i7 ^' O, I - Bullet_Track_Enemy_End:
2 p: l1 d2 {+ O0 r+ j% A - RTS5 a6 R" s7 E& K
0 Z; C! ~/ r) {3 p( ]% P- Track_Enemy:! j* ]7 [0 g* j/ j, M* l& c
- LDX #$0F$ `$ w5 W. L2 ^2 E/ D+ }& r! C- G- `4 [
- Track_Enemy_Begin:
2 [. d2 c" _& O' G9 A: x4 V - LDA Bullet_Icon,X
9 M0 C5 Q( K% |& i - BEQ Track_Enemy_Continue: E4 }2 F0 G7 @% y9 `4 d G
- LDA Bullet_State,X" u; i: f- f; g
- CMP #$01
$ W" n( ?) S. s i - BNE Track_Enemy_Continue, K5 T9 U P6 K/ ^4 T
- - Z: b; x, B6 ]2 j: H$ T
- JSR Track_Enemy_Process
4 j, J" L5 O, h% E; J( {# x( ~ - 6 r8 }9 ^7 F+ H$ ~ h
- Track_Enemy_Continue:
" e8 b/ X0 W; Q/ e - DEX
+ x; R& k( g0 U" k; C - BPL Track_Enemy_Begin
0 N" \6 R* T6 e8 g/ {5 G, z - RTS
( {1 q+ w, g5 N# X2 _, P. T - # R6 _9 y0 t, \
- ;普通关卡
- X* s( [$ W0 j/ T - Track_Enemy_Process:
5 E0 ], q" Z2 B- r& x6 x7 A! d - LDA Track_Enemy_Index,X3 l% |: s) q( M& W# i
- CMP Enemy_Index
' D! P A' c# b$ x - BNE Track_Enemy_End
) ~' X4 s l3 J `3 Q# n - LDY Enemy_Index
3 B ~' b Y3 _0 `" n - JSR Track_Enemy_Y- w$ L% Z$ X0 M3 a
- LDY Enemy_Index
5 e9 w& d' q) _8 c( H - JSR Track_Enemy_X
+ l; `7 }7 C! B- I; d) V$ | - Track_Enemy_End:
. }! N, B$ w. z3 S9 @. E7 R - RTS
! w# O; r2 g# D* @; J" e" | - + f% ^# T* v {0 K, r4 \- c
- Track_Enemy_Y:. z. f' m, ?" Q) G1 [; t
- SEC
) B( l2 ?2 ?8 L( T - LDA Bullet_Y_Pos,X" Z3 Y: p' Z/ F* e. l
- SBC Enemy_Y_Pos,Y
" u' \, R y4 E5 O) _+ z! U - BEQ Track_Enemy_Y_Equal+ K7 @' F( u" \1 r9 |- r3 m
- BCS Track_Enemy_Y_Greater, Y5 h7 k7 C2 U; H
-
, C" y4 h4 Q) I4 k: x2 {+ Q - Track_Enemy_Y_Less: ;子弹Y < 敌人Y: W7 L; O/ C2 z- `: S4 M. ?
- CMP #$FC/ D+ V T: N# M7 q# i9 d
- BCC L1_1
' S& k8 I5 F) ?8 e$ B' B& h( H - CMP #$FE! M1 M5 @/ j+ @$ r/ n" N
- BCC L1_2
5 r2 P. B7 O& K1 f1 }0 {: V2 @' C - LDA #$00
- k- E2 r( l5 y) S4 I - STA Bullet_Y_Speed,X
1 t0 r& P4 }8 L' u" C! w - RTS
4 j5 A/ a7 V" k2 e+ z2 q* g; T - L1_1: / ?. K: h2 M" f0 F3 p- g, a3 j
- LDA Bullet_Type,X
" S, R1 l9 U% r: V( P, I/ C - AND #$0F0 q1 L; R' z) m6 s# e' w5 Q
- TAY
2 G' R8 P, M2 O. Z: e* |0 h& S - LDA Bullet_Speed_Data,Y2 D t4 G7 Y& N2 c/ k
- STA Bullet_Y_Speed,X
! c8 U% C* O! A - RTS
' |9 i4 E5 g# n6 C$ I
, C6 o- G* F5 `8 f* j. h5 I- L1_2: % b0 a" b% K+ N- G+ U9 }7 M
- STA Data_buffer
) C) K+ w, k+ e+ }/ t: Z ` - LDA #$00
8 A, c6 {" ~4 t0 k4 r# U, t8 ~ - STA Data_buffer! l9 } M" W; d7 B( b: Y" p7 _ Y
- LSR# v& e& s7 [7 a* `* i0 Y
- STA Bullet_Y_Speed,X
1 h @3 t7 ^% S8 h: @& B - RTS9 M1 C& `2 H7 C, }
. x& O! k7 n# D- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y& G3 S7 W% {: ]* Y6 P0 e0 l
- CMP #$04: j5 t9 d' K0 r& }1 T
- BCS L2_19 C. |: K n! e3 ~; Q9 h
- CMP #$04& O. l) P7 ?) ^6 \& w
- BCS L2_2- Q/ F3 A5 @ {, c8 P1 D
- LDA #$00: c9 w& U% u9 K
- STA Bullet_Y_Speed,X f& Y7 c$ T' `3 O0 B1 n
- RTS
7 j, p7 f7 C# Q3 U' D - 9 ~, T( O! |: x7 [" o
- L2_1:( T7 ^% u7 K! F8 [' {0 F$ m% y
- LDA Bullet_Type,X
( c7 P8 V0 |6 B, t4 @* t - AND #$0F
2 O8 A3 Q4 B: S. y0 n) o2 e - TAY/ j4 Q+ q' w0 V9 D( |
- LDA #$002 H- |7 H' p6 @2 |; e
- SBC Bullet_Speed_Data,Y9 {( l9 z: i4 y9 M& B. A
- STA Bullet_Y_Speed,X4 |+ r. e5 v. Z. P! R6 [; V
- RTS
7 e' [$ @" X3 |% l - ) D2 U& g& Y G2 P& E9 `) J
- L2_2:% a& |; M+ _1 @ s% E
- LSR8 I# E( F, ^6 l0 I
- STA Data_buffer
1 U- r/ O s0 h6 }: P' o - LDA #$00/ p$ f; q. W3 n. J
- SBC Data_buffer3 v2 h3 k/ I0 _$ s, f, Y$ p" ]
- STA Bullet_Y_Speed,X
" L) z Y1 H3 }$ d/ g* B/ h, P- S; g - RTS
; z" |' _# y# T6 @ -
; Z0 T+ m8 @0 E5 H" y - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
5 u1 j( s8 }1 m u9 A- s+ y9 F3 S - LDA #$00# i7 d+ \. n5 D! [* S1 I# E5 B! r
- STA Bullet_Y_Speed,X, L3 ?2 P( K& n0 E
- RTS6 Q8 e5 }/ `( }# D8 q( U
-
" j5 x: p; Q+ g6 y - Track_Enemy_X:
7 C/ v' P; n5 y3 {# Z0 _7 C - SEC( @: \) t" F' k& f
- LDA Bullet_X_Pos,X
# _: F# {# ~) m# ]) n - SBC Enemy_X_Pos,Y
+ b% `6 O" ]8 f5 m! F* N - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X) C) S; e; h1 K: U# ?3 ~
- BCS Track_Enemy_X_Greater ;子弹在敌人下方- E1 J0 s$ \. x% H. c; A
-
/ a7 `5 ~4 O* E/ L4 X! | - Track_Enemy_X_Less: ;子弹X < 敌人X
. I" Y4 o- O( A* U - CMP #$FC9 O8 m- Z3 z. K; @8 u& B
- BCC L3_1/ K0 ~7 w S! }6 `. D0 R5 R
- CMP #$FE
7 b: B4 d* J$ M- h# N* Y6 e - BCC L3_2
8 K, b0 Z8 j* I8 y0 g+ Z - LDA #$00
6 {' c( h' r8 C, \8 S$ \% \+ B - STA Bullet_X_Speed,X
* J- ]" s5 x( T+ Q/ ~- O - RTS
$ o+ q4 T; b, [- u+ K4 P - L3_1:
* s# @. y1 v, W1 Y$ y& O - LDA Bullet_Type,X
! ?7 m9 u% z% d$ {% V3 v - AND #$0F
) z% b6 S; ]0 @/ W& t6 k" o( l - TAY4 |- d" }. J, B G7 ]
- LDA Bullet_Speed_Data,Y7 A. _9 ~# [+ s4 O7 s- P3 T
- STA Bullet_X_Speed,X( `5 W, S) ~& U8 |4 O) }0 [ w
- RTS
" Q. O) ?/ Q* }+ m - L3_2:
2 t$ S$ U/ h$ K" b - STA Data_buffer
$ |; i5 q7 d' ?) o - LDA #$00/ v( N6 }/ j7 X" B+ G. X9 w
- STA Data_buffer$ H% ~6 y1 O* A& ^8 E
- LSR) Z0 @* I d) ^
- STA Bullet_X_Speed,X
3 W; W. N) f7 f' u* w7 F - RTS
% t7 P9 K& g' R -
4 J4 A$ `9 S X& O, I7 G4 i) | - Track_Enemy_X_Greater: ;子弹X > 敌人X
/ _3 C. k2 m9 C, l" T" O - CMP #$04
$ k# X% h: n5 @ - BCS L4_1
2 P, r- {! p( }. C# e/ T; w - CMP #$02
; |( P6 i% {+ {7 T& e - BCS L4_2
5 c8 ^4 W V% E - LDA #$008 \5 ^ \$ O* I, E3 z
- STA Bullet_X_Speed,X, G7 Q( Q7 }7 O( s% s0 r" U3 x
- RTS
- u6 r% S O+ E& R4 F+ `; j -
7 I) G. z5 D* F5 h' P4 \ - L4_1: . [+ f; G4 R$ x3 H6 f7 L
- LDA Bullet_Type,X+ S0 y9 g* ~: f5 \% T, R8 X
- AND #$0F
9 A7 D) n: s8 N1 a! C - TAY
# U" \0 I0 e% k q - LDA #$00( ]4 C" m% |9 x" D
- SBC Bullet_Speed_Data,Y
; s5 V+ I, U1 p, \ - STA Bullet_X_Speed,X6 ?/ K& R5 q- U/ T3 w
- RTS
% Q( ^, w( M; a" h - L4_2:
# V& g- P w( M1 ^4 H* ] - LSR" U9 _. t. S8 x+ ]% _
- STA Data_buffer+ A( q, {( k( S0 p! |
- LDA #$003 h( G4 X0 y1 o3 p0 x" s. n
- SBC Data_buffer7 _# f5 |2 O- [4 r+ M( T
- STA Bullet_X_Speed,X9 i5 Z0 Q6 b+ b5 B" @$ C
- RTS; O" ~, {- W4 o5 m- C
- ' n0 i- }' g- K8 p/ M% v
- Track_Enemy_X_Equal: ;子弹X == 敌人X
r3 ^! {5 D* P, Z; P1 r. V - LDA #$00; ?2 M! ?" a9 X4 _# d
- STA Bullet_X_Speed,X
- E5 R2 M+ H: S1 z! m& H - RTS- A( a' c R* q& H4 |3 T5 p! R
- w2 }. ~# G5 j* Y3 K
- Bullet_Speed_Data:
1 @8 |5 q3 C0 j! S; g - .DB $00,$03,$03,$02,$03,$03
4 j) h; o- J* |" |$ d -
+ u9 _2 I! n Y - ;2, 4关
3 b0 j( m4 {4 {' u" } - Track_Enemy_Ex:2 s( E& ~; t$ |4 ?% u
- LDX #$0F
6 E# L7 r1 Y' C2 C - Track_Enemy_Ex_Begin:6 m! w( x7 e" @0 S4 h' h3 P
1 l8 T, N7 M7 m9 ]" T7 \- LDA Bullet_State,X s \) Q' h( U0 T1 g
- CMP #$01
; x; Z* ^% H$ a* @ - BNE Track_Enemy_Ex_Continue
( R9 w' Z. W5 P; v9 s! v; [2 C - ) r `, \( v% U( P( o
- LDA Track_Enemy_Index,X
! e* S! Z$ p% S8 M - CMP Enemy_Index! K# g2 x- w! w. x
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
9 d# r1 T' ~+ w: v0 U - 9 C5 a3 D+ r }* n) C5 j% q, J
- LDY Enemy_Index
) y5 P x; D, e2 y - JSR Track_Enemy_Ex_X* r( @6 g6 v$ W# [8 E+ ?! {, `
- ) ?' E* p! h( V, C* q
- Track_Enemy_Ex_Continue:
9 ]: ^# L. |5 Z - DEX! O$ W# I( A6 V
- BPL Track_Enemy_Ex_Begin* w9 \; E( A% M* \
- Track_Enemy_Ex_End:
+ G2 I" p' e' ?" Y3 A J. Q1 A ? - RTS5 z/ \7 x) R, P3 g
- 6 K0 L% W7 q1 z( o
- Track_Enemy_Ex_X:+ ^5 F9 _( i8 x$ W) z) F
- ;LDA Bullet_Z_Pos,X
. J; J. Q2 [8 X1 C X I( H" Y) q - ;CMP #$040 J' [! z+ ~& Y7 d3 r L
- ;BCC Track_Enemy_Ex_X_End
. i5 N! I/ T& t, F, W - SEC
# M7 A1 H K, B; u& G1 \3 T - LDA Bullet_X_Pos,X; }7 H$ S: w" p* I: l
- SBC Enemy_X_Pos,Y
( L4 L, x! w& Q8 ]1 Q* Q - BCS Track_Enemy_Ex_X_Greater# r4 J; e0 ^( e) Z
-
4 d9 `7 K! ^6 I+ k2 L9 H - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X% |1 k! a8 }& d: }! i
- CMP #$FD9 E5 t, O9 T; t- {$ B0 K
- BCS Track_Enemy_Ex_X_Less_End4 x _( j8 M9 ]
- LDA $6020,X- v# K* i% z$ V+ J- w
- CMP #$2A& ]) J, G4 c# ]) z2 Q
- BEQ Track_Enemy_Ex_X_Less_L1
8 k( H4 F: C6 M, q! } - LDA Bullet_Z_Pos,X
c+ t' s" N6 a. j; L7 t9 ?1 p - LSR& R' S; Z: v7 G) @7 ?
- TAY" ^. }$ G; H: {5 z% I! ]
- LDA Bullet_Speed_Data_Ex_R,Y- u' U5 I8 m( \
- STA Bullet_X_Speed,X
8 [2 f4 `. b# a. [+ J# z8 v0 I - RTS( c; R3 K" u; M8 H- L7 I
- Track_Enemy_Ex_X_Less_L1:8 c8 D) i4 |9 V$ J, d5 @# n
2 B5 p( h1 }1 q- `( |( q- LDA Bullet_Z_Pos,X5 R9 |- T& M4 E2 U" D/ F4 f
- LSR. t" h+ L5 c% m1 h& T2 g8 K' U
- LSR
( N/ e+ G% b8 G3 l3 X - TAY
6 g ?3 ^" ]4 U- p$ _' E - LDA Bullet_Speed_Data_Ex,Y
/ R* K! _: A& j: k- a - STA Bullet_X_Speed,X \" u6 g0 }9 l4 B6 K2 T. R$ M
- RTS6 d$ X6 U3 A# D! D8 e" H3 U% C4 F& k
-
% W+ ^4 O4 ^2 } {" d - Track_Enemy_Ex_X_Less_End:
+ F0 \1 @# V" O2 ^% p8 R - RTS
6 Y5 v2 D4 B2 O) E/ p3 |
2 @% d) ~ E; V( a! Y' ?, f6 a; V# J- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X$ F( F" j5 R6 \9 t& G# }* P
- CMP #$032 K* I! f' }+ x: o( ?2 n
- BCC Track_Enemy_Ex_X_End
) [3 y6 L% E$ e/ y( x - LDA $6020,X% z( o/ b6 T4 S0 ] \: n: G
- CMP #$2A: e. F) i% j6 w
- BEQ Track_Enemy_Ex_X_Greater_L1
7 s/ C2 r9 I9 f% t9 K* }4 K - LDA Bullet_Z_Pos,X& G* c3 w( a; }
- LSR
6 K, g, B$ `" b% p - TAY
! x! x4 {2 {" Q1 ~8 ~ - LDA #$00
) w9 r8 r) f) ]" Y% U - SEC( x) E3 a5 [* N7 e: P- U5 C
- SBC Bullet_Speed_Data_Ex_R,Y1 s8 w; T0 f/ T1 W
- STA Bullet_X_Speed,X
* L. a( ?5 _8 _' w - RTS7 X% {; l1 E [( x. |' R; h, `, }
- ( f' K' D( F* }" e8 Z$ ^) T
- Track_Enemy_Ex_X_Greater_L1
6 |# I: r5 ?6 r8 S - LDA Bullet_Z_Pos,X3 k* C2 G2 B8 ^) Q) |# G
- LSR; m8 x; T* I8 o; V0 v
- LSR
- [. I; W- @5 ^$ A - TAY
) u8 D0 R4 i# T - LDA #$00
) p9 t' u6 I) @7 d/ A( c) i# A) y% l - SEC& X+ r4 N7 B; r3 u+ m, f
- SBC Bullet_Speed_Data_Ex,Y& A) h( S) Z& {6 x% K
- STA Bullet_X_Speed,X
& T+ L8 X" p7 e - RTS
+ K+ Q& ~2 a- i5 b: H/ }8 T - ) B7 F5 M+ L- G0 l# x& Z* e
- Track_Enemy_Ex_X_End:
) N, s3 T' X9 C7 g3 Z$ e - RTS9 |. y s1 {$ G) P
- 8 X1 W. g- e0 w2 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)
4 H0 A( _+ R2 d - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
: [+ a/ |/ n- N9 }( A; z - Bullet_Tract_Direction:
0 m) w% j% _" o% o X# P! G - LDA Bullet_Icon,X
$ u' f8 n; d, ~( s - CMP #$23& D+ ~4 L1 Y3 Y
- BCC Bullet_Tract_Direction_End
3 e1 q' C) @" ]- o" W+ b. I4 n0 a -
# J4 o$ n- r1 K7 P- Z5 t- O - ; X != 0
& ^' ]9 p0 P' \0 T - LDA Bullet_X_Speed,X- I6 N J) t" a0 F! D8 @
- BEQ Bullet_Direction_V: q1 B2 x7 X( V, `- m: ^% c. m; S% {. I
- 7 X* {& H& e. t
- LDA Bullet_Y_Speed,X' K7 b9 E5 ^2 H. e
- BEQ Bullet_Direction_H: W3 \' v; {& T$ Y. {1 c
- - Y, f1 P3 b3 {! C/ m
- LDA Bullet_X_Speed,X# f# F% ?) G. g
- BPL Bullet_Tract_Direction_Right& M( x# {/ D8 e: r
- Bullet_Tract_Direction_Left:: z) h1 k! h- @1 L4 ~
- LDA Bullet_Y_Speed,X6 p5 m+ ?3 u5 ~, V! E$ ^9 R& @; R
- BMI Bullet_Direction_Left_Top2 ?- a- \# s+ j5 r- W: A: e: J+ a
- BPL Bullet_Direction_Left_Down c7 Q4 J U6 J/ \ Y
- Bullet_Tract_Direction_Right:
1 o1 S. E3 e8 U1 c5 R- ~ - LDA Bullet_Y_Speed,X
6 `9 I' s7 c* B, d1 }# E4 Z% r. f6 c - BMI Bullet_Direction_Right_Top
! X; ~% }1 t2 a# n8 t& B- L9 j& i - BPL Bullet_Direction_Right_Down V! t6 s5 {6 c5 U7 C
- Bullet_Tract_Direction_End:
: H' L) g+ ^& C4 T; W3 C2 ?0 \& \ - RTS4 w$ Y) q8 x4 l3 }
6 S. F& ?" d, U$ m. G% H' U3 r- Bullet_Direction_Left_Top:
! i6 n' G) V) Z% R - LDA #$253 d$ B2 O) o/ v( s) \1 S( z
- STA Bullet_Icon,X3 J! U+ q$ W) n( u
- LDA #$C0& Q: U+ n" j, m6 x7 W8 a5 x
- STA Bullet_Direction,X
: P, Y, k; H5 Q" e - RTS5 G' U1 L; i# x" z
8 P# F1 C0 D0 }8 R7 `$ K4 [- Bullet_Direction_Left_Down:
, s1 g0 p& t! N - LDA #$25
t4 s7 _( l' F8 P* A( U - STA Bullet_Icon,X
) m: Q" K; i+ O9 i' C- O' @' ]( K - LDA #$40( F; `: k2 g2 a6 K
- STA Bullet_Direction,X
; P5 h3 q2 B# l: j% r - RTS' f) N5 \ ^9 a& o0 U3 |
" |8 p* o% U+ a2 C- Bullet_Direction_Right_Top:4 F; c# E) s: G& F
- LDA #$25" f3 C- y8 U+ V' q$ M" A/ X
- STA Bullet_Icon,X
: R; V- q0 |5 f2 c @ - LDA #$80
$ H" e* z0 y' B. h c- a - STA Bullet_Direction,X6 y2 \/ f" {8 r; A% s2 v
- RTS
, e0 f9 M; i. d& l; p$ L$ Z$ j, M. g
- c- Y. L/ a7 j( f& X' J7 V+ v# _6 G- Bullet_Direction_Right_Down:
- B( ~0 y) B3 T$ l% V5 Q - LDA #$25
& W- I# |! K9 ^/ x; m3 n& M - STA Bullet_Icon,X
, v7 m6 `- X5 D1 W! h! N - LDA #$00
$ ~4 h- i1 K5 z: f1 f( g$ V - STA Bullet_Direction,X2 o; t* N# T9 V8 h$ e Y( I. A* w
- RTS
4 J# e( t' r- C: h1 o- d8 `
/ F: k# `! G. z& u& G7 }7 V- Bullet_Direction_H:
& ?4 X+ b& Z9 x( x$ p( } - LDA #$24: P" A+ H" V" _# L% q3 L1 ^
- STA Bullet_Icon,X! ?9 z6 x8 w/ k3 u; {: s, `% }
- LDA #$00. n/ Q: l1 E: \
- STA Bullet_Direction,X
r4 m4 }7 h$ S - RTS% ~+ h" r, M" n+ X' B9 k
+ ~. J: v! ~! t5 X$ T( B. [- Bullet_Direction_V:9 G) `- u4 _% g9 y3 a7 c
- LDA #$23( W1 I- y V" ~$ \- E6 J! j0 f, g
- STA Bullet_Icon,X
2 B& A# [# ?, h7 S: \& r! P - LDA #$000 }& ^3 N r- T: o! l2 p: L+ l8 d
- STA Bullet_Direction,X
! Y2 a: @/ Z7 }& h: v - RTS
1 Z W$ B2 r. ?. g7 I& D - ( F0 N9 D8 q c! l+ `( u
- Bullet_Speed_Data_Ex:# ~" k* v9 m( S! u8 l# v0 R
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04% \. P7 u1 o- C \" N# K$ x& z- q
- 4 g& b0 X) ^- x* f' ^
- Bullet_Speed_Data_Ex_R:5 |, W4 u0 L0 ]+ \
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08& p& O1 M7 m, \' ]* F
-
复制代码 - A1 _% i: x% S; t9 ^2 R. j
+ g* c6 Z7 x3 N9 n0 C1 P
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