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[FC][魂斗罗][J][追踪弹]: b3 P7 b2 w3 L; r- C
" |# X+ X3 K/ W0 t' B& u3 u% G5 m时间:2023.04.304 W' ?# \. }! v# m; y
作者:FlameCyclone
6 U# M0 P, V! H# r# b- W J7 v内容:
2 K0 t0 Y3 ]' e 1. 所有子弹追踪敌人
) S' U' [3 b; F5 O 2. 选择键切换武器
' O {8 x* h4 e4 N% k: A 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( n$ p+ f1 G; y+ b1 W9 A6 a$ V! f
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flamecyclone.ys168.com% t6 M1 c2 a6 _# |' G' f

( M9 h- z: Z. ? }- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
( h7 ]7 ^, Q3 e4 x3 x5 u( ~ - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L O7 c/ m' t0 t
- 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)
' v+ P3 ?6 _8 R( d0 V - * Q: ~/ p; G0 F6 v9 T1 E N6 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)- ^5 n; b. z, E; e6 x4 Y+ w
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上; d: R; U3 n' G6 r6 e! O1 A
/ F0 X' u9 i0 u5 ~$ y4 Y7 M# l- Track_Enemy_Index = $6000
( T$ {' u. r( {" C! K - Enemy_Index_Begin = $6010: |# O X0 |5 R: n) J( j0 g
- Enemy_Index_End = $6011# { V: a& b8 [ @8 k; x' I/ P
6 x/ D3 n9 Z9 v: z4 \- Loop_Index_I = $6012
2 L5 Q5 v) S: O2 b1 U - Loop_Index_J = $6013
) n! Q( u9 S* T* x2 E1 l% G$ k - nEnemyIndex = $6014
7 q4 c& D" N* I9 B' \3 q' C - Data_buffer = $6015
0 R7 E5 s, p, s% l- x - ' @. y- Q9 F$ a$ G
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标2 V, c% v3 S$ T
- Bullet_X_Pos = $03C8 ;子弹水平坐标
5 @. W5 ~, \3 U- k d, \5 M+ Y( {3 F - Bullet_Y_Speed = $03F8 ;子弹垂直速度
6 h! {% N+ |6 k. C' G) ?4 \, `( f- @ - Bullet_X_Speed = $0408 ;子弹水平速度3 m5 C, ?! a9 [5 e/ L) c1 G
- Bullet_Z_Pos = $0418 ;子弹Z坐标8 Q2 q3 V4 {3 |1 v* [, r; s4 ~. L5 R
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P. U7 Y3 m3 e3 U4 H. {
- 2 m k3 r. p X
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸! \ u( p4 g: [- C% {* h7 S$ E
- Enemy_Blood = $0598 ;敌人血量7 z; Y# R3 j3 H" y) Q* h! o# J
- Enemy_Type_Addr = $0528 ;敌人类型
- \6 I( {' `/ d: z4 _, v6 d - Enemy_Blood_Addr = $0578 ;敌人血量3 n* m1 c# l1 A! d0 Z
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
4 \& A# \2 ]' l2 W0 W - Enemy_X_Pos = $033E ;敌人水平坐标, G; ]/ O/ M. e% }
- Enemy_Y_Speed = $04E8 ;敌人垂直速度( ~1 y, I5 `; Q; t* O3 w1 b* o9 W: D
- 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
+ f/ h# N/ p* q7 e) C - ) z) R2 Z) j0 [8 }3 C' d4 a6 X4 q
- Enemy_Index = $83 ;5 ?: B9 t8 k! v1 U5 l
- Time_Count = $1A
- K$ q( L0 }% B i7 }$ ? - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率! ?6 Z; d/ ^& }0 G1 R
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
+ S" O9 V* d( k7 g4 t9 b- }9 l0 _
U8 V1 I4 G# V+ O
! }2 s! N- J# f. X- .ORG $6100& `4 Q, W$ B& ?* B: N! R/ Z9 J
- Process_Begin:6 k3 a' k) V+ s: ~) G% X0 n3 `
- JSR Enemy_Check
/ o$ e0 }" H; b/ ?1 H! Z - JSR Track_Enemy_Check% {; c( Q' g2 ?9 b
- Process_End:3 R$ j, f+ v# W, l% z6 j2 w& `, c
- JMP $E54F! t, Z& I7 e3 w# ^
- 3 n# V8 n, x* R3 b& ^
- Enemy_Check:1 f: N' f1 F- S2 E
- LDA Time_Count+ ]2 y1 Y7 W/ l& O+ U
- AND #Track_Bullet_Speed
8 K6 T. X& W$ n, C, f - CMP #Track_Bullet_Speed: S8 h* V! y+ _5 Z, Y' ~7 _' q. }
- BNE Enemy_Check_End! _; V4 ~7 _6 ?' R1 _! r
- LDX #$0F3 z, o8 O0 N7 Q9 G. [7 d+ r/ n
- Enemy_Check_Begin:5 o# W! Q% c0 A# X- o9 a
- LDA Enemy_State,X! j/ f2 Y- T9 x
- BEQ Enemy_Check_Continue
8 a2 E# f1 U7 s - STX Enemy_Index
. T; z6 J& R1 d5 Q _ - JSR Find_Begin_Enemy
! O* ~2 E+ [$ x. W& J8 [4 ~ - JSR Find_End_Enemy
" {6 {) I' Y [ - JSR Bullet_Track
! P) X/ ^0 S/ T7 ]9 Q* V -
, z3 p) L+ J* c, q% Z- _9 u - LDX Enemy_Index/ G8 {7 }8 [% v1 M- f# H: F! K8 k
- Enemy_Check_Continue:. d7 H; b R, S/ }$ |' F; o
- DEX" z; a# ]( J' X6 X5 j. S9 W+ ~
- BPL Enemy_Check_Begin5 [, T# L& [. a0 |4 U
- Enemy_Check_End:
, H& ?3 w1 _' u- ] - RTS6 D- e5 P. Y" U1 I9 p
-
+ J9 J0 _) s1 A! c# S - Track_Enemy_Check:" D u( W, C, Z/ g. X3 w. [. p
- LDA Time_Count
% Z) x9 n9 z- s8 H1 ?# ?9 V - AND #Track_Enemy_Speed
/ e' v8 W5 A9 s- M" c! a1 d& } - CMP #Track_Enemy_Speed* V( B& r& z7 u
- BNE Track_Enemy_Check_End& [3 g4 r( j, l+ r
- LDX #$0F
5 z2 h* s. X7 e e e% }' O - Track_Enemy_Check_Begin:
2 W: m% q- ~! e/ F, i* U2 [ - LDA Enemy_State,X7 f% Q( b5 [/ D5 U
- BEQ Track_Enemy_Check_Continue$ {3 ?# T; M. B9 a, C
- STX Enemy_Index
7 G9 k2 s; E1 `' f) ?( u5 u) o -
& q9 ]8 ]$ v! N |$ G4 i. s - LDA $402 B! }/ b C( w$ v& Q7 a& W+ n8 F
- LSR
4 T5 p0 z1 k v- {9 h1 @# q - BCC Track_Enemy_Check_Begin_L1( v2 G. l, y3 Z3 t' t6 \; O9 ~
- : U2 k ^+ Z. I1 q8 c) y
- JSR Track_Enemy_Ex ;2, 4
/ @( R) J( D! X$ E2 J& {7 k - LDA #$00; I! U3 O& ~- F1 d" k
- BEQ Track_Enemy_Check_Begin_L2" \5 n, U/ E& B0 x8 U8 n
-
1 _. m l9 L0 q2 y - Track_Enemy_Check_Begin_L1:
- Q6 c' \& N) `% I$ e, k -
0 y7 O# G* F0 v - JSR Track_Enemy3 F! d/ k# X# D
- ; H1 M: e# C, y! P, ]& d
- Track_Enemy_Check_Begin_L2:
, R+ f1 Z2 L4 }9 \7 s J -
* O3 \) u7 R7 X' [+ E - LDX Enemy_Index. w6 T1 L( S; Y7 C: O5 v& e
- Track_Enemy_Check_Continue:, A& }+ h$ M5 i% \6 J
- DEX
) [$ O" _/ F& A1 ?% H3 j- D - BPL Track_Enemy_Check_Begin7 C- [0 a( ?+ V2 @. ` Q0 w2 u
- Track_Enemy_Check_End:
; B/ S; _" ]% b- V8 z9 E - RTS4 I2 |9 K l2 X
- : S/ D% w- T8 N2 f% ?& i; W# Y0 K
- 6 s, n+ c5 w0 E% Z3 l
- ;查找第一个敌人' [: S2 [8 z5 s$ c; X s7 {
- Find_Begin_Enemy:
6 k4 m4 I/ h. Q+ g# S% A - LDX #$00
0 a Z2 C% r: c4 u - Find_Begin_Enemy_Check:
- j$ L4 ? b2 a) U - LDA Enemy_State,X
5 J3 v. I3 K. g6 w* d% C9 V6 Z - BEQ Find_Begin_Enemy_Check_Continue# j7 |) e/ x ~5 y6 y/ F Z( b4 N, N
- LDA Enemy_Blood,X! e/ p+ M# Y! q
- BMI Find_Begin_Enemy_Check_Continue# c% G$ T& K+ i, Z( @
- BNE Find_Begin_Enemy_End
& i4 |! T2 Y) [/ j - / p( \! H8 ]( U' l* v: ~. t
- Find_Begin_Enemy_Check_Continue:
5 B! E5 N" \% q }* ^ - INX
$ }9 ]( A; y2 x0 d - CPX #$10
+ b R: ` E/ O7 x - BCC Find_Begin_Enemy_Check7 s3 |1 {# [2 M( s4 ?' b. c
- Find_Begin_Enemy_End:
3 A( G/ M) j. W# b$ \ - STX Enemy_Index_Begin Z; J& q8 |7 h/ ^
- RTS
" c9 R3 R6 d' k
' N0 L7 a) n0 A8 ~. \ F- ;查找最后一个敌人. y; p5 w, b% d9 y0 x
- Find_End_Enemy:
- N* ~8 o5 g7 t% {+ j1 w: ^ - LDX #$0F, ?3 t W: D6 v3 ?5 H/ b3 K+ {
- Find_End_Enemy_Check:
7 k. E! R! U3 | m# }8 G - LDA Enemy_State,X3 {) S R+ \6 b3 Z" `. s6 R& F5 b
- BEQ Find_End_Enemy_Check_Continue
9 f& w0 a1 g5 |5 z - LDA Enemy_Blood,X2 ?1 B' w: G8 m6 N$ _/ {
- BMI Find_End_Enemy_Check_Continue
) F: z# x6 l1 F% b - BNE Find_End_Enemy_End& W+ P. E* |. `2 e- ?
- 7 I; |- {0 g) ^4 J) b4 J
- Find_End_Enemy_Check_Continue:
0 U, k) b2 m: A+ v, a& {% I [ - DEX
: c7 Q: P v0 B( n- H5 w - BPL Find_End_Enemy_Check! q/ @* e1 Q& x$ t! `) B+ u0 a2 ?+ o
- Find_End_Enemy_End:
l8 r+ g% J& @# A% ~( c - STX Enemy_Index_End2 B2 g! u9 }' d: A
- RTS6 ~. f1 }6 E" @6 l) ~$ u
0 P( u9 G! I" l0 S- |7 K- ;子弹追踪( j# _" ~5 L E! X9 W/ d- `
- Bullet_Track:
! i, ~" G" U5 o1 s. J - LDA Enemy_Index_Begin6 t4 R" b; ^7 c( X
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
. E, V% T( Q, ?+ T# S. g* n' _ - LDX #$00
8 F% G* k4 R, z0 v! _ - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)8 c0 b( `% c( O9 ]/ _; Z
- LDA Bullet_State,X' z n6 X8 Y+ @+ q9 `- ~9 M
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
: U% q" q- ?* q* V - STX Loop_Index_I
4 Q4 I+ u' C* D$ B. q3 {0 P4 O -
/ f) _( {- t R - JSR Bullet_Track_Enemy
; l$ F- t( z" ^; l9 }7 D - JSR Bullet_Tract_Direction
! O* g9 K# p& x6 s, n! Z7 d -
; H7 W' Q4 z. n2 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
8 s2 x/ S& m8 c {& b( M$ I8 u - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
! ~+ ~* ]; n2 y4 X; W5 b - LDA nEnemyIndex5 t) E+ M: H# ]1 X* W6 o. W
- CMP Enemy_Index_End
6 _' @' \5 c. E/ \. I - BEQ Bullet_Track_Check_Continue- }! N( M c9 h4 V4 a
- BCC Bullet_Track_Check_Continue- P0 I7 x5 f1 y
- LDA Enemy_Index_Begin
5 f. b8 [6 C: K - STA nEnemyIndex/ V% h3 Q" L1 o6 B0 w
- 6 F$ l% ^# |8 W' L3 o; s0 t
- Bullet_Track_Check_Continue:
. l% T$ G# E. k5 C3 T% m2 f' B - LDX Loop_Index_I
7 C7 k6 y$ ]. _5 t5 f- y g* t - Bullet_Track_Check_End:
# H' S% w6 C# r" ~ - INX! g& t) j4 ^1 d: V
- CPX #$10
+ b9 v5 a5 C( r* z - BCC Bullet_Track_Check V: M a* S2 x! @! b' S+ B( Z
- Bullet_Track_End:! A* s8 c; [: t& ]5 y
- RTS
( O x( D/ N: S* V1 C - ) U* y3 }3 L. q
- ;给敌人分配子弹
1 C4 j% F. {/ n) q- G5 S - Bullet_Track_Enemy:' y0 Q; T# q. L6 b+ ~ [
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)& \0 a/ h4 y! E& E/ v8 y
- Bullet_Track_Enemy_Check:
7 z8 J4 W3 Y$ i - STX Loop_Index_J
. l/ \4 W2 |8 W( \/ S1 @& p -
?' o5 d4 J5 N% ~ - ;if (0 != nEnemy[j] && -1 == nTrack[i])
$ g& ?( ?3 Q$ u. V5 k; m - LDA Enemy_State,X
% E1 }$ w+ q* U9 T - BEQ Bullet_Track_Enemy_Check_Continue
0 r1 K9 Y( O9 M7 l* n - LDA Enemy_Blood,X
. T+ `+ ^& w" n - BMI Bullet_Track_Enemy_Check_Continue
M9 g0 |& ?5 ~, @( } - ) B4 J$ U1 G# A4 E/ R4 x0 \
- LDX Loop_Index_I- l- w& o( u. b( e& n# Z, q- X
- LDA Track_Enemy_Index,X
6 o! t/ ^- H5 ~! V [0 p! T) M1 x/ c8 _ - CMP #$FF( ]+ q) P& k# ]
- BEQ Bullet_Track_Enemy_Init
4 K- i( A4 K$ D -
. _ W1 S4 y. C - Bullet_Track_Enemy_Init:
- ^9 m! Q( d p8 q, ^% [ - LDA Loop_Index_J
5 K4 m( o& g& O% V$ G/ ]7 H; E4 A - STA Track_Enemy_Index,X ;nTrack[i] = j;
4 C5 t" i$ g) ]! P: J" ` -
- g9 {/ a8 K7 i. a$ p6 V5 s - STA nEnemyIndex
7 k' e8 J( Q1 o0 G) n - INC nEnemyIndex ;nEnemyIndex = j + 1;; @. s5 O+ ]- H" U) A. O9 {7 z
- RTS ;break;
: Y% t# O+ _' D6 B. _9 b
% \" l$ c* S2 P- Bullet_Track_Enemy_Check_Continue:' C. H8 q( |/ C& Q
- LDX Loop_Index_J
5 ?- l6 q1 q$ m - INX ;j++; @3 B) z& j- d
- CPX Enemy_Index_End
8 |# J+ {6 A& t! d+ l! x - BEQ Bullet_Track_Enemy_Check/ k$ T, z( ^& V2 J( f4 \- I5 P
- BCC Bullet_Track_Enemy_Check1 ] J. t$ h1 n! L' A. W
- Bullet_Track_Enemy_End:
3 m! B1 U2 `5 R# R1 |1 k6 e% x - RTS
4 k* j- o3 G( y' n# q
2 P$ [/ h( k% i) W% C7 K, g- Track_Enemy:! _" D8 q: E w. @$ ~/ U
- LDX #$0F
4 u4 Y+ J" J7 A - Track_Enemy_Begin:
' ?, F% {& i4 d: M$ [% ?4 Q* X% i - LDA Bullet_Icon,X
+ @3 c( Y& o" B% U8 M - BEQ Track_Enemy_Continue5 A" o+ N9 D+ X" O; n( h
- LDA Bullet_State,X" U* K& X0 W7 J5 \- j2 ~
- CMP #$019 A$ r9 E6 n4 b2 c# X; I
- BNE Track_Enemy_Continue- Y; [2 I# d% G* E6 o; K
- ! ~" p6 t2 P4 u/ t+ C" {! c2 o
- JSR Track_Enemy_Process, {0 n7 F5 d( c
-
3 }# c( C1 X/ C: [" ` I9 c - Track_Enemy_Continue:0 d% L; _! s7 A8 ]/ e4 w
- DEX
6 k& _1 E" S7 A# V: j c) S - BPL Track_Enemy_Begin K% T& n0 _3 F
- RTS
: m( y( b- q2 P$ h+ a% b% @ - 1 z. ]% E$ K3 l: d) y/ @7 g
- ;普通关卡
. H" b6 o" B( r; }( ]% J8 X& I - Track_Enemy_Process:1 x# ]2 ?4 m; ]4 G/ l$ Z
- LDA Track_Enemy_Index,X% B6 K. x& W4 c. |/ }- Y4 T- m
- CMP Enemy_Index$ R$ C5 X+ a6 q/ }
- BNE Track_Enemy_End# E5 _" H/ Q k
- LDY Enemy_Index
5 K0 E/ H9 L) c' l4 t - JSR Track_Enemy_Y* g) q6 e0 T, o4 c+ I
- LDY Enemy_Index) d; [& q V- J, l* c
- JSR Track_Enemy_X2 r6 q ^$ v$ S2 r
- Track_Enemy_End:
j& |2 T+ m5 ^% s - RTS
7 k" u& q$ N2 u5 J! N -
7 c5 d0 z$ a# R9 D. N, i' _+ J - Track_Enemy_Y:
0 w( M7 ?; d5 l c! V - SEC+ k6 V7 N" s& I; {) O
- LDA Bullet_Y_Pos,X
3 p8 S4 i, b1 O! K; c4 B - SBC Enemy_Y_Pos,Y
) e% v; Z y( ]0 m n5 [ - BEQ Track_Enemy_Y_Equal
) J1 S7 m0 T- V+ ]. _+ N" v - BCS Track_Enemy_Y_Greater' R- F; a* K# p; T) x2 h
- 9 V p: T( Q. I
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
8 V! `" `0 z! S8 |8 K/ y9 q" W - CMP #$FC
+ x7 d* `# Y1 E - BCC L1_1& V3 w( ~ {: I* I3 }
- CMP #$FE$ ^5 K& d$ B8 ?6 S5 X6 I: z2 a
- BCC L1_26 V+ g! v( L* o0 A+ y! {
- LDA #$00! C1 e2 v( K( `2 x8 `
- STA Bullet_Y_Speed,X* T- F5 \% v4 g8 E, k) A; v
- RTS
1 G/ l% f: m( j, i: Y+ } - L1_1:
! D. { I0 f1 c5 z# c - LDA Bullet_Type,X' c& j# R. x. G' Q; {
- AND #$0F
5 L# c a9 J$ s! Z/ Q4 Z. Y - TAY
& G* ~' t, f: }( p - LDA Bullet_Speed_Data,Y5 z+ H1 @* p0 a" e) @1 C6 E* a
- STA Bullet_Y_Speed,X9 C5 s1 y2 e6 k4 P1 P1 `, B
- RTS
7 A9 a0 L7 H" Y5 ^, r7 w6 k, Z" r
, Z/ \3 Y: s0 g; c' i- L1_2:
. f* w/ @1 O& r4 s; w7 b - STA Data_buffer; j: ^( H) S" x$ z! Y; w
- LDA #$00
1 G- i( P# `( [ - STA Data_buffer
9 `6 s8 _+ O _2 W - LSR
1 h4 R, `$ t" ?9 |" P( n - STA Bullet_Y_Speed,X4 n% i. b8 s% e5 }. n" r
- RTS$ o# g% _# F* p& }
/ V7 [1 ?. ~* K4 _# P- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y) |' ~2 S# e6 j( T+ k, O ?9 ?
- CMP #$04
3 k& J. J2 h/ l5 \ - BCS L2_1+ y% c9 X8 m4 h+ K4 b7 m5 g
- CMP #$049 o$ g5 T* d. K
- BCS L2_2- @1 \! N% V$ ^2 ?$ R6 A( @
- LDA #$00
0 z" _7 J, ^) U' f1 L% w I) K6 _ - STA Bullet_Y_Speed,X
$ I! |) R( E5 `" X5 k$ w, c - RTS& H( b2 f) d3 R2 J2 i* F X- y
- % }; r7 a7 C: }% o
- L2_1:9 Y; @' Y. [6 h; J0 i% B
- LDA Bullet_Type,X& t, f( h" K8 s% Z: \3 b
- AND #$0F+ W9 I' \ |& |# Y
- TAY0 S/ C$ f+ R7 R: W! s
- LDA #$000 {" X; a& ], _; B0 J0 M
- SBC Bullet_Speed_Data,Y9 J" e' n0 `3 |6 Q4 c
- STA Bullet_Y_Speed,X/ y7 H( e4 W* E' v. Z
- RTS
% S/ n$ V$ U, Q0 R- ]' E5 z# U -
: m) D j- P) t1 B6 b( q: G - L2_2:
; _" z+ F5 b$ Y9 ^& X - LSR
* l9 J" `& h9 O6 Z0 u - STA Data_buffer. c3 s8 u( C& X
- LDA #$00
6 s$ Z1 f' O& O C. C* Z5 ~ - SBC Data_buffer
! I/ }' S/ _( P8 e3 h, c - STA Bullet_Y_Speed,X( n9 `4 c& k! z# B* j" e1 e) @+ L
- RTS4 y+ u, o: ` F$ H" [5 a1 ~3 @
-
- P. |, x4 R( N' M2 L - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y) ]$ q/ ~. x7 b0 O! y$ s
- LDA #$00
+ l& f+ t) M" K8 [5 W0 D - STA Bullet_Y_Speed,X
$ d' N( w, N5 C; S - RTS
- T, p0 N" | I! h y7 t - ! j* P' V% N* ^% K5 N
- Track_Enemy_X:2 @7 ~2 {5 N9 |9 |5 f0 w
- SEC
) U3 `# C, ~4 J/ m - LDA Bullet_X_Pos,X
2 i+ w& m2 H* o) r3 F) p - SBC Enemy_X_Pos,Y; l, @' \9 o$ o6 |
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
4 C( B# s5 Q- @6 j; a - BCS Track_Enemy_X_Greater ;子弹在敌人下方! Y( L; w- l( Z \8 n" ~( b
- 5 Y+ @7 H2 ~, h/ s% G; i5 }, ]
- Track_Enemy_X_Less: ;子弹X < 敌人X* \; Q+ m# B4 e j+ u y' \2 Z5 D
- CMP #$FC& V, a+ J2 \9 R3 s. |
- BCC L3_1
) j7 Q$ W/ T% J0 k- n! H. ^ - CMP #$FE! P. H2 Z9 C) l0 {
- BCC L3_2- I9 s$ M2 E- i- q
- LDA #$00
: c- ~; p0 C: E$ T - STA Bullet_X_Speed,X1 X: P8 j/ {) P( U, s5 J
- RTS
" M6 r1 F" ]/ W+ r - L3_1: " y2 P$ W" c/ d0 j* x" E, X
- LDA Bullet_Type,X% c( V: c, y1 k! F y
- AND #$0F
2 l: A) g- y; ?: [8 E - TAY
4 M+ Y: v9 C( I6 B - LDA Bullet_Speed_Data,Y/ o4 d" N1 r+ a3 u
- STA Bullet_X_Speed,X
0 ?- \5 j( f0 k7 m - RTS
2 `4 Z( x8 h3 N1 i8 T - L3_2: 9 x: u* H* C& ?# _7 N, |
- STA Data_buffer
: S' R* S- u( q1 }% U: o - LDA #$00) e3 u. r& k$ i% ~$ k$ C
- STA Data_buffer
" R. b7 o8 P$ A) d) L - LSR$ I) t2 f& t3 N6 x# ?% Q
- STA Bullet_X_Speed,X
5 j. x: t W! h - RTS5 v+ O# C4 [1 k7 C" f; f
-
# y# X; X0 |9 U - Track_Enemy_X_Greater: ;子弹X > 敌人X
7 X& Y6 B& n& E9 o7 _# V - CMP #$04
. E1 b0 A7 H9 _% n8 s - BCS L4_15 D2 Z1 E; Z/ l3 R& d0 @; t7 O
- CMP #$02
6 u! E3 L6 [ K2 |* s* Y - BCS L4_2) f) p+ O' c$ ?. s2 A* ^" L
- LDA #$000 T5 s; w9 ^) f8 ^$ l# s
- STA Bullet_X_Speed,X
% \ L( G0 @$ x- u" | - RTS3 w+ D* M6 }: [ V
- ' W* R/ L! N) g% o, {' L
- L4_1: 2 s% ~& s0 _ B: v
- LDA Bullet_Type,X: ]# f& c V# F7 X+ Q! T& w5 g9 L+ ?) s
- AND #$0F N: A% l9 ~" o; j/ f
- TAY
8 g- i. Z. l A) ^5 a" j& h - LDA #$000 r. X" I6 G8 ?
- SBC Bullet_Speed_Data,Y
, w) s% X B. u" z1 B2 C1 ] - STA Bullet_X_Speed,X
) `8 w5 |: T* ?) X7 | t - RTS: {) _/ x' D7 U7 H* j
- L4_2:
: l% D% {0 O6 M2 @) v - LSR0 W1 N2 h$ }, w& K. M
- STA Data_buffer
: T8 A: h' }/ f7 g9 X - LDA #$00
" Z* T3 N7 f* Y! ] - SBC Data_buffer# f) i: a9 a# m2 i4 X
- STA Bullet_X_Speed,X" Z+ u) U4 z1 g2 x* H% h0 O; E
- RTS
8 `3 M% v7 c a3 n% _ -
- U- n& o6 M2 R& l# c) S - Track_Enemy_X_Equal: ;子弹X == 敌人X. F. f$ j" q7 C; b( B# U/ d
- LDA #$00
; N6 B9 r0 D- e; @% b - STA Bullet_X_Speed,X/ h) c s& [8 @
- RTS, D) ~, J' W4 h( I( B
- " d2 e9 f. k- W7 t7 r z
- Bullet_Speed_Data:8 B+ U8 a$ q( u5 I
- .DB $00,$03,$03,$02,$03,$038 Z8 a& ^' P% D+ t3 K
- 0 D. D3 K0 K' g1 V2 m- X7 Q
- ;2, 4关$ H5 B/ W1 I" M4 r9 e
- Track_Enemy_Ex:
( k2 k& J" g8 G' }0 W2 g3 J - LDX #$0F+ ~. w6 |; J7 {+ {! a6 n1 i
- Track_Enemy_Ex_Begin:* E7 n" d2 ?4 }, b$ W
* b0 u4 P2 ], w# f- LDA Bullet_State,X
* j. R; k+ W5 |- S$ ^1 N" f: { - CMP #$01
5 W. `1 A2 y' o$ A2 E - BNE Track_Enemy_Ex_Continue5 Y! v: f1 s. u. r: W5 h
- / q! ]* u: g( A
- LDA Track_Enemy_Index,X
+ B* d: B6 e' Y9 }4 f - CMP Enemy_Index5 {9 \* `' F6 W1 B8 E
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标+ ?- P+ w9 F- ~( R9 m
- " l6 m% h; h+ K8 O
- LDY Enemy_Index
! z* E1 g% V# [* z - JSR Track_Enemy_Ex_X4 c: O7 t9 w0 |6 n$ i
-
! ^- f1 Z, z# L I1 S - Track_Enemy_Ex_Continue:: E/ d# J# t8 s/ |/ Q# j- g" d( H
- DEX7 `! o' F r! r9 @# t2 @
- BPL Track_Enemy_Ex_Begin
; g0 x% o& H! t$ {$ E7 K: p - Track_Enemy_Ex_End:
, f. {( I- F: C6 k% z$ M* Q - RTS
% z V `; O( G2 n4 m3 l - : v1 _: z& V* ?+ S7 P5 `
- Track_Enemy_Ex_X:
" Z7 N6 M$ ^' L - ;LDA Bullet_Z_Pos,X
0 t" P- ~ B4 E: G& \0 C! j+ v - ;CMP #$04
5 f- [8 ?% Y8 ^. q! D. ]& I+ l - ;BCC Track_Enemy_Ex_X_End- r3 m' `4 L. L, z% w1 m; |
- SEC) d5 ~6 S! ], h3 @- N
- LDA Bullet_X_Pos,X
$ ?, s4 d2 Q- Y9 ^# a/ T - SBC Enemy_X_Pos,Y
# u2 H: i, C( x - BCS Track_Enemy_Ex_X_Greater. h) a9 Y3 j7 T9 }3 o- ^7 @
-
8 i; I% c3 S. `( ?9 L% C - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
# K" o" K7 v$ j$ ]9 J - CMP #$FD
" x& J) W5 K( _' m9 W - BCS Track_Enemy_Ex_X_Less_End
, u8 v5 D( j3 [8 y9 s6 a - LDA $6020,X, v3 @5 i1 B# }
- CMP #$2A( ~4 [9 {/ H7 @4 Z* j) Q
- BEQ Track_Enemy_Ex_X_Less_L1
: R' }; t, ^+ m0 a' G( ]8 N: X - LDA Bullet_Z_Pos,X
' x6 O- G) T+ N8 B, D - LSR3 W! a! B: y" v1 q$ _1 G4 C
- TAY* ^) F6 d* Q* o3 Y1 g/ s: K
- LDA Bullet_Speed_Data_Ex_R,Y" P3 F) ]' X' K$ A, _
- STA Bullet_X_Speed,X; z: b3 L4 J* h$ [
- RTS
$ Z% H( `$ p, R1 h$ t - Track_Enemy_Ex_X_Less_L1:# s( P# e2 x) A; [) p6 p6 ?
6 n5 K- j1 s, L- LDA Bullet_Z_Pos,X
7 h" s- _3 a4 X/ s# w4 i - LSR+ P8 j# _$ I, s. Q
- LSR% m- W. f; y! X
- TAY
6 ]+ o0 R: L: P - LDA Bullet_Speed_Data_Ex,Y
+ L6 `8 }# S& I& b: N5 u - STA Bullet_X_Speed,X
5 Z, o( p0 {4 p! P1 C - RTS. M5 x) D5 E+ z5 K: {$ E/ F2 o! ~5 g+ |
- ) C' L& H/ R; M$ G6 K+ V3 Y! [5 s: e
- Track_Enemy_Ex_X_Less_End:
- s: q2 A& e6 D6 F7 K8 ` - RTS
+ j$ }; s. `3 e5 I+ w - 8 n' `8 c2 X: M9 @$ Y
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
7 t& u2 K/ _9 U( F, O - CMP #$03( C t, o1 U8 y' {& y" a& ^+ l
- BCC Track_Enemy_Ex_X_End! n# Z5 k: A6 o7 J/ d- ]5 E3 @
- LDA $6020,X8 G' |6 m& |. I3 {
- CMP #$2A
) }. \; B8 J* o0 w - BEQ Track_Enemy_Ex_X_Greater_L1
' ]& j. u: A4 V$ Q - LDA Bullet_Z_Pos,X
. L* k9 q0 t7 }3 x7 }) y - LSR M' \8 M; N; ?2 @
- TAY
8 ? P. [2 D$ `5 i4 F - LDA #$00
4 F1 c8 m2 } A% ?+ @6 D( ?) Q) m* [ - SEC: d7 E. Q9 A6 w6 l2 V& x- x9 E
- SBC Bullet_Speed_Data_Ex_R,Y
1 q* r; u2 ]1 a. K# e# e% G - STA Bullet_X_Speed,X* t1 a4 e% H8 s
- RTS
3 i; P/ ~$ g" R3 ~ -
7 \; Q/ g& @( L( d7 \% m3 _6 I - Track_Enemy_Ex_X_Greater_L1" u& A3 o) V g$ i% I
- LDA Bullet_Z_Pos,X
- R1 Q' o5 J5 |1 L4 ] - LSR' E* x! `: C) G
- LSR
x% F" k" s p) N - TAY
2 z" K" w2 B" w# J5 v; G4 E! S - LDA #$00
# G2 B* Q( F/ f - SEC
6 \$ X0 q' {' h5 C' B) c* I - SBC Bullet_Speed_Data_Ex,Y
( A: B' O6 M2 Q9 p) L3 ]1 Q - STA Bullet_X_Speed,X
( A1 l S6 B% Z# ~2 d: k - RTS% [# W9 j' l5 @9 I3 l2 n& u
-
& f. T- _" S" \) }9 m8 o' h) u - Track_Enemy_Ex_X_End:
$ @; G( W6 |+ z* R1 ] - RTS/ a) ]2 O( D* U' T. q G
-
3 L- V: Z+ n/ j! ` - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)$ u) X- q4 C" c/ N/ M F
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
4 d6 c/ b) L8 G4 _: _2 _' Y - Bullet_Tract_Direction: T+ d0 o1 {! [4 f# i. h U0 Z
- LDA Bullet_Icon,X1 {1 m: p7 U* T/ S/ u" k
- CMP #$23! E2 m2 B+ O2 k' R
- BCC Bullet_Tract_Direction_End3 |' i7 ^9 ~5 \: Q
- 8 _2 i7 D. b, F4 S! c! P/ _
- ; X != 0. Z( Z" M7 R6 P0 t+ P; _. k
- LDA Bullet_X_Speed,X3 e/ E; f' |7 N+ b1 B, s! u
- BEQ Bullet_Direction_V, d2 l2 D* ^/ x. l2 T' H$ z
-
1 e8 _* n2 a( C7 o! A! Q - LDA Bullet_Y_Speed,X
1 ~8 h+ R* Z3 D6 t) A - BEQ Bullet_Direction_H
% W) G6 `. R! i" @+ y5 Y - ) F& ]# h) ?; M0 K7 _
- LDA Bullet_X_Speed,X
' T! h: t/ C2 \7 B% E9 X$ o - BPL Bullet_Tract_Direction_Right9 ?& n D8 j( W0 V5 W, u) y
- Bullet_Tract_Direction_Left:
$ T5 q- |0 ?. o4 m# J4 T) [. I( i - LDA Bullet_Y_Speed,X
9 n3 c, a, {- N; ]' x0 X* I - BMI Bullet_Direction_Left_Top2 T8 H2 c! N9 R, G& D. h# `
- BPL Bullet_Direction_Left_Down
1 W5 r! x$ M' {$ N - Bullet_Tract_Direction_Right:
/ o1 o' S8 B1 ] - LDA Bullet_Y_Speed,X
6 T0 P9 c9 b. i4 a2 [" ? ~ - BMI Bullet_Direction_Right_Top
. S) P1 I* V; V! y: W - BPL Bullet_Direction_Right_Down# i' U" S( a3 X( v8 P
- Bullet_Tract_Direction_End:
: T" L4 y# T7 ?9 Q$ P2 n; U$ Q - RTS5 I4 G; t, d" X, T' T$ a
9 A" T& [' C/ Q& _1 l- Bullet_Direction_Left_Top:% W5 e! o0 p1 ^2 {9 I
- LDA #$25
2 a; ?; }! h0 F- ^ U+ X - STA Bullet_Icon,X
+ I2 \. y" \$ Y0 R! Z0 \6 ] - LDA #$C0 H/ C6 \! I& g# A+ u/ c9 J q/ ?
- STA Bullet_Direction,X
1 `/ `& O; s6 }2 A- h - RTS& W7 p) H% g! _
u4 W% Q0 \ H; ?+ B- Bullet_Direction_Left_Down:- ]( X" e. @3 g) |( U$ L
- LDA #$250 @( B- f% a4 J0 _: ]/ T
- STA Bullet_Icon,X
. c1 q$ {# g) l: u: z" q* N - LDA #$407 `4 I" B% ^& e" V% G, C- [# E
- STA Bullet_Direction,X
0 v) `: i4 L) t+ B - RTS
' |7 S4 b9 H0 B$ X+ d
, E! V4 x, X! ]" m- Bullet_Direction_Right_Top:
$ M. ? z0 o9 @1 a - LDA #$25
2 v! Z' r$ n' l) m+ k - STA Bullet_Icon,X* ~- s+ f. M" L% a5 X9 `0 w3 g B
- LDA #$804 n) ~+ _9 D. U3 F: r( r
- STA Bullet_Direction,X0 I$ n3 s+ R I! }1 z/ b
- RTS9 P4 X- N/ R) g, \4 R
0 ]. l2 v7 I+ x$ L) N! G8 M8 B0 B- Bullet_Direction_Right_Down:
: Y8 S# X( S' X$ Y) T! l. D - LDA #$25
$ p# C4 V& @( y# U [/ O/ b' _ - STA Bullet_Icon,X3 `4 Z8 @% R5 z
- LDA #$003 n! p* A+ G! m
- STA Bullet_Direction,X
4 ~/ @% Y4 S" R4 b* W - RTS% s5 ?0 l T# N
4 @. ?3 j1 W9 ?0 }2 @7 P. P- Bullet_Direction_H:; A# ^, i% c% \
- LDA #$24
' J. c n% Y" Q g3 R - STA Bullet_Icon,X
( P$ @" ~2 f/ p - LDA #$00
- c4 O' `" P$ r1 q' f4 \% d2 E6 a - STA Bullet_Direction,X) M7 x: P4 o; N
- RTS8 Z1 M' A5 O a& H, V- F g2 ]
- 8 f2 p) [/ d+ w. D2 k9 w2 O$ L
- Bullet_Direction_V:% G7 n$ f* o A/ k
- LDA #$23
; P$ a' c/ L! f+ i - STA Bullet_Icon,X
# O( U$ I5 p7 V& A - LDA #$003 k) A/ ~* s! o% ]
- STA Bullet_Direction,X) I1 t) l6 T% u% y2 J
- RTS
- T4 } c" H& G2 T% @8 V# P3 l& d - 3 [0 Y- m3 X) e- p7 K
- Bullet_Speed_Data_Ex:! G5 m+ L0 W* e( y4 C. P* a3 U* i
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04. F' h. u. q5 R3 p$ o+ Y
-
# S) h! w8 _3 v4 F' D - Bullet_Speed_Data_Ex_R:1 m/ B0 q& j: E" n. K
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$087 W6 \0 O3 P9 y$ L+ H) }3 f
-
复制代码 2 D- J/ x" j9 C/ b% T7 c. o
4 P% L# j! S! [# ?9 c" O M+ X
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