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[FC][魂斗罗][J][追踪弹]
' t4 L2 i7 e& l9 M3 y$ L
5 F5 f" p5 Y8 I" k0 i. R* j时间:2023.04.30
' e! X3 p C: A X( x# }$ R作者:FlameCyclone2 L! p( Y/ K# y
内容:
- z7 B! ?4 i" v9 q$ x) y" X) } 1. 所有子弹追踪敌人
l O8 Z: f& J- s8 D! I 2. 选择键切换武器7 l0 s% ?4 C* H
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+ A$ o( R9 ^+ R0 O/ l
4 m. a' Y" b) ?1 t! {, @flamecyclone.ys168.com2 r4 i( `. U0 J0 G! ~4 n: s. |5 P

$ I9 s- s* w0 J! I6 O9 ]- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁# a& V. a$ j3 ~" X1 T, Q
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L4 y- O+ M0 ~6 Q7 E* U; h: p2 P: z
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)$ p- {( O5 Q& D y) _' R
/ w4 F/ }/ {9 q1 a! F- ;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 s0 {7 J! D0 s - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
- D O* a+ `9 R6 F3 Y
( V3 I7 P' n/ T+ v& a8 t' ~- Track_Enemy_Index = $6000( q5 `! w4 w' G% T& ? l9 |
- Enemy_Index_Begin = $6010. q% J! K* k3 i# L
- Enemy_Index_End = $6011
0 E5 ]- {9 W9 \7 a
+ h+ x7 z0 ]! y ?- Loop_Index_I = $6012
+ w6 Q! {, Z) @2 L2 O) U - Loop_Index_J = $6013
: E1 f6 ]: J+ B2 r3 B - nEnemyIndex = $6014* U) o' P6 u# L( \) W6 S
- Data_buffer = $6015
# A" m2 [$ ~; E J( v# `% w6 C: w
9 u) L4 k$ K6 |, f- Bullet_Y_Pos = $03B8 ;子弹垂直坐标4 H" a1 n2 c! L' [
- Bullet_X_Pos = $03C8 ;子弹水平坐标
0 G% @; f8 |/ _( T* @% a6 o9 P; \ - Bullet_Y_Speed = $03F8 ;子弹垂直速度
c, H' r4 _6 t5 ?7 e - Bullet_X_Speed = $0408 ;子弹水平速度
4 s+ t' O, o# Z) L: e - Bullet_Z_Pos = $0418 ;子弹Z坐标
& W" q: L$ l; W - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P( m; S8 F3 e* g3 h( ~ s1 Q6 C5 f7 B: D
- 8 f% w2 y; p) |
- 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/ c/ v4 K+ ? o4 d- \
- Enemy_Blood = $0598 ;敌人血量
! ] n) E/ Q0 c3 O( _7 D( e - Enemy_Type_Addr = $0528 ;敌人类型! x! B: S1 J$ {4 O
- Enemy_Blood_Addr = $0578 ;敌人血量
3 U! D$ o. s. S4 J* O1 c0 P. n - Enemy_Y_Pos = $0324 ;敌人垂直坐标7 M( N2 W4 Q- o+ u
- Enemy_X_Pos = $033E ;敌人水平坐标
) w! P4 O8 G! J" H2 X - Enemy_Y_Speed = $04E8 ;敌人垂直速度
* E/ B9 E$ |2 M4 @ - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸" N$ D' K0 ^, C! N7 m
8 @$ L8 T$ p4 a: o- Enemy_Index = $83 ;- O4 L9 _# b4 G
- Time_Count = $1A
- E q! ~, p, l4 ~/ Z - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率; d- V+ k* H# ] G, |* ?/ O
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率7 J" W. o+ h6 L; ]$ p$ u4 @, n' S
- / ]0 x; ^1 S) q$ ?) K8 \+ H8 D
i% D1 R" ?6 z6 p" O4 P8 A- .ORG $6100
6 l5 r$ B s# j% L - Process_Begin:
: x, `' R W* {" C2 }% a - JSR Enemy_Check* @ ^* S, x* ~
- JSR Track_Enemy_Check
3 D' S0 z8 F0 A - Process_End:
0 ]' ]/ r# g! e# P- c" c* r - JMP $E54F
4 a) N* E! d' T5 _4 ?+ \* m
+ O& J D; t* s; A& _$ ]" t- Enemy_Check:
. G6 a) @; M" h! R$ C' l - LDA Time_Count5 _: u+ C, g. E) d! C' R
- AND #Track_Bullet_Speed* R! q' J! k' D3 f4 j; Y }5 _
- CMP #Track_Bullet_Speed
& h# y& v0 \# S( b - BNE Enemy_Check_End) T, H* a* h/ \8 b" F* L
- LDX #$0F8 ?! ]% }7 L6 d0 w6 i9 R# E
- Enemy_Check_Begin:3 i- y4 r9 s/ R" C7 P
- LDA Enemy_State,X$ G5 Q) O3 S" O. M* q0 \+ G
- BEQ Enemy_Check_Continue$ O; P* C6 ^* f- q) J
- STX Enemy_Index
; p8 }8 n7 c; r8 X( V7 B' A. J - JSR Find_Begin_Enemy5 a3 G3 ~3 ]+ q
- JSR Find_End_Enemy# |4 ]9 t# ]+ }. ?5 A/ i5 |; E
- JSR Bullet_Track% @, M& U% |& u" V; D. R
- # ]/ W6 E' s7 H
- LDX Enemy_Index& [) c* u# d0 d6 o. Y4 @" S
- Enemy_Check_Continue:
3 x) v5 b" Q- F9 T# y - DEX
. U5 a# \+ m5 e - BPL Enemy_Check_Begin
! O- O) a$ N8 u) b, j8 q9 c - Enemy_Check_End:
0 @& \$ ?6 e5 C/ l+ _1 _ - RTS0 Y$ R5 I# O" X* g
-
' o- K, ?1 E# O0 |3 G7 @4 P6 K - Track_Enemy_Check:, q- N0 K3 |" {4 Y
- LDA Time_Count/ G- ^" a! ~' z. W
- AND #Track_Enemy_Speed
4 N1 H8 ^( J D4 |# t - CMP #Track_Enemy_Speed
; Y# I; d) K! a0 d: Z - BNE Track_Enemy_Check_End
# k( S. E# X. C3 D' ?1 r - LDX #$0F
. Y: T3 s, \; ~, c- J8 B+ L - Track_Enemy_Check_Begin:
, _/ I, l) J1 j3 T. t d - LDA Enemy_State,X
9 V: R% M* ^& B - BEQ Track_Enemy_Check_Continue0 O& q% \% K+ K
- STX Enemy_Index+ S# s4 I) q: J# e5 D
-
2 C1 R" d- \/ C, L: f' x5 \ - LDA $40
& P, h" d3 x: a7 a) z - LSR
- r' j F1 ~! O& f; Z. A4 j9 x - BCC Track_Enemy_Check_Begin_L1
& L6 O9 Q. {0 d4 U7 {3 O - 9 O: S$ I d5 j7 Q; A
- JSR Track_Enemy_Ex ;2, 4
, r! X! t- [4 Z! x* T - LDA #$00& \5 Q1 B. D3 r
- BEQ Track_Enemy_Check_Begin_L2
& W: Z% j* {- q9 H% Q; m) H) T -
1 E6 d" F4 o( O8 C$ g) E - Track_Enemy_Check_Begin_L1:# |0 v4 I! w6 Q/ Z
-
6 {$ \, E1 a2 U1 b - JSR Track_Enemy8 _4 y% |! o; Y% E, a3 E1 W y U
4 h+ S2 J* e& g- Track_Enemy_Check_Begin_L2:
2 D0 q8 ~) Y5 p S: w& ~ -
& G9 o2 i) o; a; n1 Y2 { - LDX Enemy_Index
' \$ }# ?7 {) q - Track_Enemy_Check_Continue:
2 F- c3 B+ M- w" \: Y" S c2 M - DEX
: r+ u& } B; I5 g! K - BPL Track_Enemy_Check_Begin
, G$ e. ]% K! b( a; t' r - Track_Enemy_Check_End:% {3 ]7 X' D" X
- RTS
% O2 G- ~* T1 I* X0 D! e1 r - - K0 E" L6 X/ F
$ \, N- n2 b m6 M- ;查找第一个敌人
+ |% c; R5 n2 |4 j7 w: F- { - Find_Begin_Enemy:
) f( a0 }3 p$ L - LDX #$00
$ y! ^+ O* m2 J% q - Find_Begin_Enemy_Check:
) H& x. C6 D+ i: f' z) X% Q, ~# [; ] - LDA Enemy_State,X5 Q4 |% m/ P/ b1 O7 T! g# p
- BEQ Find_Begin_Enemy_Check_Continue
@5 y4 {' q. L" \; K+ I - LDA Enemy_Blood,X
* K' h& p1 s$ t0 P4 s* \ - BMI Find_Begin_Enemy_Check_Continue( Z7 b; O3 k: Q$ O' j2 n
- BNE Find_Begin_Enemy_End
7 f6 W* C) o, y; ^! }8 ?4 I -
* h$ I; \+ [5 w3 u9 [$ c3 j6 t9 R; e - Find_Begin_Enemy_Check_Continue:- |9 j5 f! F- d
- INX4 `; O: Q2 [# P9 n8 D# K& ]) G% n+ p, f: }
- CPX #$104 I2 E- R2 }0 P h1 @
- BCC Find_Begin_Enemy_Check4 S4 y9 G9 t% u6 w! @
- Find_Begin_Enemy_End:
3 v: M. F) W7 j4 x4 O9 {3 \* f; x - STX Enemy_Index_Begin
0 L. t1 b5 c" y9 }8 V - RTS4 X! f& W' d* ?: V Z
3 |4 L- J: q" D7 l7 q- ;查找最后一个敌人
/ z/ ~, V6 I9 T4 Y8 g - Find_End_Enemy:- J; t# {( s7 ?9 Y9 K
- LDX #$0F
/ q; q9 U! C+ ]1 {) h! A- C. X- O - Find_End_Enemy_Check:
* R; U" l7 ~+ U) p. J - LDA Enemy_State,X! I2 `; M* i f5 L7 v
- BEQ Find_End_Enemy_Check_Continue
: `. F: w7 U$ Y* ?& @7 Y - LDA Enemy_Blood,X" S& V* @9 n7 W
- BMI Find_End_Enemy_Check_Continue
! y+ W9 {0 s; r8 E1 ]: L6 b - BNE Find_End_Enemy_End7 r! b; @. g+ L- H$ d; x
-
; u; k M# E2 v- u9 l, D5 e3 D - Find_End_Enemy_Check_Continue:- l3 z/ T. d6 c" N ^7 N
- DEX
1 I. A7 z( J" |! R - BPL Find_End_Enemy_Check4 m9 H0 @/ x( \( D( ?+ n
- Find_End_Enemy_End:
# o) v# J9 J/ Y2 o - STX Enemy_Index_End/ k- O4 g$ ]8 |6 L4 _
- RTS9 l) l0 ]1 x h
- + C+ j. O8 U; I9 \; h! {5 T
- ;子弹追踪
: f2 Y! j2 D+ o3 X9 C( L- U - Bullet_Track:
/ y: x2 L( P1 l0 d% R9 t# J( T - LDA Enemy_Index_Begin* I) s. \7 r; S% G/ n8 p! J9 B% _
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
6 s V/ h O7 C: p9 a - LDX #$00 / o. t2 T' e# [% |' W8 @
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++); V! B9 e0 H' H4 g
- LDA Bullet_State,X
. {9 m' K3 Q+ A* c, r - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
9 O2 X' c8 n7 A5 X6 N3 q+ P) [& H - STX Loop_Index_I
7 j5 a- l0 x3 W9 y* D+ N - e' j8 m; z- D6 ^
- JSR Bullet_Track_Enemy
1 s0 S- G* E* l( Q - JSR Bullet_Tract_Direction
* `$ O4 `% K' s7 p% I: y -
$ e g. |7 i! @) Z8 v1 [' 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% ?0 b& I# [3 e: h
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;3 }9 x; y5 d% c H
- LDA nEnemyIndex
+ ]: n3 h4 Z- C% m& u8 t+ h - CMP Enemy_Index_End! }" x. I2 A: G4 T+ D; g! S' j6 a6 g& t
- BEQ Bullet_Track_Check_Continue
" I* W9 G! F$ w, `7 B9 I. d6 R# A1 r - BCC Bullet_Track_Check_Continue
+ L& p/ I; p) q4 v \ - LDA Enemy_Index_Begin$ X# w4 `) `; V
- STA nEnemyIndex* J3 ]4 K9 I: E+ o! I
-
6 w. J2 A% Z# l# |, N - Bullet_Track_Check_Continue:5 P# }# n' c1 `4 V8 @- a8 J
- LDX Loop_Index_I( k* m0 k' c# E5 z
- Bullet_Track_Check_End:
! X: u* f- G4 Y. x8 v2 Z3 c - INX& c0 G; S4 \( f) u% v9 R
- CPX #$10& O4 M. J! X/ t" v4 p: e
- BCC Bullet_Track_Check; |) N8 p- J) M6 P, ~
- Bullet_Track_End:8 }0 I( p! q3 U; }1 `
- RTS0 a5 e+ }# A/ Y" m8 l& e
-
1 M, g1 h1 c: S - ;给敌人分配子弹
& t( d' r5 _3 W - Bullet_Track_Enemy:
5 w5 W$ k2 d) i- s - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)2 z" ~6 a9 {' f2 e: D
- Bullet_Track_Enemy_Check:
" F6 l3 `- W7 Q: h - STX Loop_Index_J* f+ f* E1 }3 J" M) ^
-
4 b4 O4 c, r# v* E/ e - ;if (0 != nEnemy[j] && -1 == nTrack[i])
& h+ }- B1 {6 m! z - LDA Enemy_State,X
) F2 l W% h7 `# w, x' t - BEQ Bullet_Track_Enemy_Check_Continue
8 f% R0 V* b9 {) \! K - LDA Enemy_Blood,X
7 c+ \# N# v) K% H3 ~ - BMI Bullet_Track_Enemy_Check_Continue0 L+ Y! z% r) ]. k/ j; d1 Y2 ]
-
4 i- D! H3 l( H2 U u - LDX Loop_Index_I, R- V+ o( @( `# z% q3 a4 E! v6 W
- LDA Track_Enemy_Index,X; |$ h- Z% K( E/ f+ |( X9 |0 p! C
- CMP #$FF
( k4 G8 z7 k) g& Y - BEQ Bullet_Track_Enemy_Init; c3 X$ E3 ?% U( p% R y0 I9 T
-
/ W0 Z, u. n6 ? - Bullet_Track_Enemy_Init:
9 E, C8 U7 V& W" { - LDA Loop_Index_J5 Z2 x4 b+ G/ _$ L
- STA Track_Enemy_Index,X ;nTrack[i] = j;$ I& k, R+ |3 _8 a3 k y+ d( p
-
* l0 |3 Z% R! |( C! { - STA nEnemyIndex
( T( ?5 M2 V7 z3 k$ q0 F - INC nEnemyIndex ;nEnemyIndex = j + 1;
7 {1 m4 F' H, N' j) e; T" K2 N% E, g1 G - RTS ;break;7 u" }+ d, i& V6 j# M6 {
; w1 w1 C' c2 A+ a# T/ B1 i- Bullet_Track_Enemy_Check_Continue:
5 H3 M& v; n8 C _ - LDX Loop_Index_J2 J) B, i( h; _! ^
- INX ;j++
1 q* `8 } I! _6 k: s; I - CPX Enemy_Index_End: @" i" L/ k& x: B$ D% h
- BEQ Bullet_Track_Enemy_Check) y0 C* i6 V- C* d) z# G
- BCC Bullet_Track_Enemy_Check7 \+ P- k( c! X: m3 Y
- Bullet_Track_Enemy_End:; n# T& l+ Q' r
- RTS
1 h8 |, ^, a4 z4 K( V: v& E - ! n/ A( V( |- @! P( \) U2 R
- Track_Enemy:
9 d6 r6 E" g( I/ d0 S, r - LDX #$0F% a9 f; z1 n9 L' j" z0 @" F
- Track_Enemy_Begin:; @ Q% B# k6 A; Y3 F
- LDA Bullet_Icon,X$ l: y7 r- `/ g' y# q/ b/ M6 A
- BEQ Track_Enemy_Continue2 p+ G) [8 c r0 f% \
- LDA Bullet_State,X0 {0 I& K2 g' A J- b! R4 V% Q% u9 j
- CMP #$01- p6 l ~! A; _, |5 ]
- BNE Track_Enemy_Continue' p; z& A! \$ y; e, C9 q
-
5 V8 c. k! a) W; ?9 y/ F - JSR Track_Enemy_Process
- Y4 n+ D0 M% ]; X - k2 _9 R- |* b5 L
- Track_Enemy_Continue:! g! `2 b' K. w3 E1 P; a
- DEX& A8 R C% P* x {9 N+ V, Y! C \
- BPL Track_Enemy_Begin* ]# c+ Y G1 \! Y
- RTS
- ]) a$ o& e$ A/ h: S' Y9 J8 I
+ M( z5 U9 i' @0 a7 Y0 E& l! b! T- ;普通关卡1 w. w' Z4 }8 q2 O' r
- Track_Enemy_Process:
8 l# }9 F! m7 }* a2 J - LDA Track_Enemy_Index,X+ z& r. E# u2 U, s
- CMP Enemy_Index
2 d1 I. Y/ N- s, G - BNE Track_Enemy_End
2 b3 h1 V6 r" a# H2 k - LDY Enemy_Index& y: E. Q3 n% f [& E2 n
- JSR Track_Enemy_Y
, L( {, Y4 {" T2 }+ Z - LDY Enemy_Index" Y5 x, F8 J7 U$ I
- JSR Track_Enemy_X- h+ \! R+ ?. P* v' V' j
- Track_Enemy_End:
8 ~( e# A+ D0 Q/ _; O - RTS. J0 n2 R( a# z i* j% \& l
- 7 {0 c7 n2 s; h, d8 ]
- Track_Enemy_Y:
+ \! l0 y3 U3 P. x8 O - SEC! k3 `6 @6 L, }, w7 U1 e
- LDA Bullet_Y_Pos,X0 T, y; U3 J0 y% n+ ~/ c$ o4 p
- SBC Enemy_Y_Pos,Y% [, s4 ?6 @: V! R. V/ ~2 k$ L
- BEQ Track_Enemy_Y_Equal
* S0 N/ `. H. J - BCS Track_Enemy_Y_Greater
0 a, K, n' h6 m6 _3 X. { I% Q - . @7 X% q7 A2 E6 y1 D. O& W6 {, O
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y7 [( T2 f* ~$ J9 Y' p
- CMP #$FC
5 X- Y8 `4 j0 y! K; `+ F - BCC L1_1- P3 J$ x( W4 P, H2 K
- CMP #$FE" o* C) L. A* \- t6 g/ Q* w4 M! s8 q
- BCC L1_2( n, R- A2 D9 [
- LDA #$004 w. L/ G+ A+ r7 J6 G( [) K: J
- STA Bullet_Y_Speed,X5 B% b( Z8 S- g6 e; X
- RTS+ l/ R# q5 @+ b/ J( j( T5 k
- L1_1: + S) q" F' H% X. b' l, L
- LDA Bullet_Type,X5 R' u2 V/ i% u
- AND #$0F
# @8 @* u% I9 R, n: }3 X6 s: ~ B* M - TAY
( T( {, J% @2 V7 W9 L4 G - LDA Bullet_Speed_Data,Y
: {8 ^" ]* w- x& g - STA Bullet_Y_Speed,X
2 V3 C- V' P- `8 u - RTS8 ~, u, }* c( C; d4 w9 h
0 j$ m" X* X4 t! ?4 T6 E- L1_2: 6 z* }# v X+ b- u
- STA Data_buffer
4 I$ e9 z. j N' K* y - LDA #$00, V! ?3 L' Y0 p! L" k+ V" h
- STA Data_buffer
0 X- Q3 m) S; F7 G - LSR
" M/ b) O- p! e - STA Bullet_Y_Speed,X' Z" \0 B- J6 r6 A9 z
- RTS
+ m; |5 k6 A2 x) n$ c
0 a# X* j; T: r4 {- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y, Q9 t5 u C+ q; [5 T- n
- CMP #$044 l* A$ \- I7 {3 C* ^: T+ J% q- z/ l
- BCS L2_1
4 k7 i D( E E d, u3 l2 W - CMP #$04
& C: k+ G# O3 k! i1 w9 ~/ j5 W - BCS L2_2
. O1 h0 M( n! x& {+ H - LDA #$00! Q: W8 |1 t4 ^; ^: X1 O/ ^
- STA Bullet_Y_Speed,X1 K% x5 O) t } W" U8 ~+ m' t
- RTS0 U& \% B. U% [$ F. L1 u9 q2 G
- 1 ^$ M- B: ~) f; B' ?/ A) [, @
- L2_1:
+ X: O) Z4 p' ^/ |! V8 l1 D - LDA Bullet_Type,X
" D; M8 o7 \9 D: h0 g' H# p: Q2 a2 N - AND #$0F. B. v/ r* z2 X+ R# i' Z6 ?5 _
- TAY C7 T, _% s& x' l8 e A
- LDA #$00
9 \+ X; ~" F+ O - SBC Bullet_Speed_Data,Y
& ^1 r6 c" S7 V8 F& J) A; G0 a! i - STA Bullet_Y_Speed,X, y+ c$ }4 w5 ~6 M( y! o$ x
- RTS
; R" M1 C8 w0 D& y4 J -
C' a2 N% J6 j - L2_2:
! b- i" |, Y6 G* e u; e - LSR
2 Q& f! g. D8 Z& n" c. a: X - STA Data_buffer4 i( r8 m; p2 N# l
- LDA #$00
/ _$ l, V: R7 e' E' M! Q5 ? - SBC Data_buffer7 T4 t) }. ~, H2 c. c( D$ [8 |
- STA Bullet_Y_Speed,X2 U: P4 }5 a# F# P0 i+ }
- RTS4 M6 T0 y8 f; y4 P& Y9 }% @
- , [- H7 D9 U7 k- f$ f
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
( b, L$ V3 r1 H4 {. Y9 B* f - LDA #$000 a% \1 P& N3 L2 L# u
- STA Bullet_Y_Speed,X/ M' _# l3 F; e5 |8 v6 e
- RTS7 ?, p! h4 P/ C3 F
-
! S% G$ E* y9 ?, W( N) J - Track_Enemy_X:) r! P H3 u) U( R2 D+ e
- SEC
5 {" E4 w X8 N( v - LDA Bullet_X_Pos,X+ a) |9 j# g$ @. e$ ?/ b
- SBC Enemy_X_Pos,Y( v: y; Z0 w% Z
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X0 _4 y0 z1 r* @+ D, G! k2 Q& b- o
- BCS Track_Enemy_X_Greater ;子弹在敌人下方+ @7 W; E- _0 n. d8 g: s a4 U
-
2 f# |3 ~" ~: O5 w P - Track_Enemy_X_Less: ;子弹X < 敌人X4 r# S2 n0 F' h- k
- CMP #$FC
% v& l: U8 l! v4 z& |% v j - BCC L3_1/ K; j+ F |9 w$ N2 A {( k
- CMP #$FE
, H5 O0 u: X7 M2 U' ` - BCC L3_29 i: Q1 [* i1 E$ J, F: _ G
- LDA #$00" R+ l ?) B6 x
- STA Bullet_X_Speed,X5 W# M+ q' u7 Q3 t1 Q2 c
- RTS) M6 O$ r" I! s. W7 x
- L3_1: . x' i5 e6 q. S5 m! S) I
- LDA Bullet_Type,X
X( ?' G2 x) V6 f5 X - AND #$0F
* {8 X( l9 N1 a# A - TAY
0 G j* W E5 ]. q V9 H - LDA Bullet_Speed_Data,Y' s0 D; {- V1 G' m7 t. ^: O! e
- STA Bullet_X_Speed,X
, l s9 ~& M; c, k$ q - RTS& J! e, c1 `+ d3 p+ A [6 X2 i' U- N
- L3_2:
* x4 p. @( l" d7 }% ^ - STA Data_buffer
8 e5 z9 R9 S$ z5 V; \ - LDA #$001 F3 P9 D: \) g6 r0 P8 [" j
- STA Data_buffer% Q9 `/ L# T9 E; V& K' b
- LSR
9 i3 K4 H1 M1 I4 l - STA Bullet_X_Speed,X7 U. c3 N t; n' W9 Y2 d
- RTS# a9 s* ]0 x" Q( f/ A* O7 M; k
-
" i/ h0 |+ V) V! f! {7 t. b - Track_Enemy_X_Greater: ;子弹X > 敌人X& v3 }! _$ I0 Q5 |# L1 Q
- CMP #$04) l; r' a$ _, b7 F
- BCS L4_1
; L! k( n; ` H8 z, R7 e - CMP #$02: a$ I. t7 w) k6 s1 w4 c' E* V1 A
- BCS L4_2% P3 `7 p& B% m( |$ [0 ]
- LDA #$00% ~. Z& U4 J/ ]+ N
- STA Bullet_X_Speed,X
1 v6 N' @. R$ Y - RTS6 S3 I2 C% y7 Q$ ~
- , ^) v. [" [( @. q
- L4_1: 3 \, _5 R6 v- D) Y6 w: e7 h/ m
- LDA Bullet_Type,X1 w7 ^9 w/ s/ X2 m9 t+ N9 y
- AND #$0F
+ l- l6 y# E" u# z( W - TAY
4 ]' D8 J. G% }0 K1 y0 B3 L- Z - LDA #$000 v8 ^2 e0 s. g! C+ C/ S" s( p& }( u
- SBC Bullet_Speed_Data,Y
! a2 ]6 s! r0 w0 q, `# i/ U - STA Bullet_X_Speed,X$ u4 h/ l7 t( t2 Q) J
- RTS$ L0 y# J! I& g0 j$ D
- L4_2:
# [+ K( W( p. P0 d9 P5 q( L - LSR
" W; [$ {: z' f2 Z6 J. X - STA Data_buffer' V( A' F/ p( g% r
- LDA #$00
3 x8 J( r/ `0 w8 }+ p1 B - SBC Data_buffer
( V, h( _* W4 \, @2 ~' ^ - STA Bullet_X_Speed,X: G& I* m4 O8 S' F
- RTS
4 z+ ~. h+ D2 v& M- }. S/ y - * k! S$ p v8 ] i: l3 |5 S
- Track_Enemy_X_Equal: ;子弹X == 敌人X, [5 a) E! T1 ~5 C! R0 W9 T- J
- LDA #$00
9 ]/ C" A/ F2 z8 F+ |/ A5 k - STA Bullet_X_Speed,X
: ^5 a& C6 J$ ] r( l/ S - RTS: n( r+ Q3 E7 C2 W" ] _
- " z* \; o8 ^% s4 g* V7 T
- Bullet_Speed_Data:; A0 L4 |9 k7 K# a [1 O
- .DB $00,$03,$03,$02,$03,$036 f/ K( Z: d2 Y
- ) E r; c6 u. u1 j7 E1 H% w% m
- ;2, 4关
$ f5 ~& _. j! u3 q- o9 G - Track_Enemy_Ex:; X8 a+ t) L. m; S5 i9 V
- LDX #$0F5 D) h! v( f& Y. ?2 V1 i
- Track_Enemy_Ex_Begin:' n7 p; I5 e: `) y: Q4 x" ~" T
- # n8 z1 u, u9 P; ^. \0 }
- LDA Bullet_State,X1 ~5 _6 E% K3 L
- CMP #$01
( V. P, ~: i- U1 E) o5 Q - BNE Track_Enemy_Ex_Continue
7 ^6 d( J9 G# a! v/ O5 D9 a -
9 n) K; C1 k/ p, e; q - LDA Track_Enemy_Index,X
/ N7 ?/ z8 e1 b- {( l% w# ] - CMP Enemy_Index) L1 e, d7 v U0 r! S3 i
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
5 {. P! Z, n$ j% n -
7 a( u# s' W8 d. N - LDY Enemy_Index& u w: H# u" H; H5 _
- JSR Track_Enemy_Ex_X5 d- L' v8 n5 z- x
-
8 U6 }: z/ a5 V: j. ~- b3 Y - Track_Enemy_Ex_Continue:: j( [' z$ g) H+ ]* S# r! j
- DEX [/ z2 O/ f/ _
- BPL Track_Enemy_Ex_Begin# V ~$ `, ~' k, J; x& P+ K1 ]
- Track_Enemy_Ex_End:% y7 G, U, |9 i8 G% L" y
- RTS
6 A. Y; C1 o7 g4 t# L+ c -
" F* R8 w/ B4 H7 r, Z8 Q6 d) d - Track_Enemy_Ex_X:
s; i. j) ^* w$ J `* ~) q - ;LDA Bullet_Z_Pos,X4 b) |3 @% i' S# N/ U- g
- ;CMP #$04
% X* S6 d# Z2 Y' ^* n9 F - ;BCC Track_Enemy_Ex_X_End
( H U9 G" E, \) _2 l - SEC
" O6 V* [' N% [/ O# h; z6 r - LDA Bullet_X_Pos,X/ }( D( R7 C/ u5 }0 {4 g& ]2 k& B
- SBC Enemy_X_Pos,Y4 i8 J) Y% n. r2 j0 B) V3 o _5 _5 V9 c
- BCS Track_Enemy_Ex_X_Greater/ }! R: k' o9 m7 l/ C0 z' I
- 9 K; |$ p2 ?% ~4 n7 g- n
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X, U2 p1 ~2 A# K) [* ]* L
- CMP #$FD
. }. R6 B4 b2 H4 B - BCS Track_Enemy_Ex_X_Less_End: s+ ]! R* ]8 C
- LDA $6020,X) b: ?$ r5 w- t2 B0 ~- m: @
- CMP #$2A1 c$ d" L5 m4 j0 ?4 q: t7 y+ P' _/ K
- BEQ Track_Enemy_Ex_X_Less_L1
' ^: K- ]( D) A7 F* C - LDA Bullet_Z_Pos,X+ Z7 [, h6 E- C ?
- LSR
* M% N5 l; j9 y/ I+ e3 A - TAY
5 e8 {/ i1 S9 z+ Q, {2 e2 A) ? - LDA Bullet_Speed_Data_Ex_R,Y
& W/ ?% t7 y _1 }9 s: |4 v - STA Bullet_X_Speed,X3 B3 i! c# a$ A
- RTS/ C$ Y$ M6 t% {1 ^$ @# }
- Track_Enemy_Ex_X_Less_L1:
5 A G, A B) {# p6 o8 Z( W( U- L0 o
# U y2 c4 d6 O& r( Z( e; U- LDA Bullet_Z_Pos,X5 ]( r9 _/ J) P9 ~
- LSR6 @8 `0 b6 i" n# |5 d1 M4 s% w
- LSR+ u: q0 f7 a! S7 U- i
- TAY* w. R: k2 N/ G: s# c" ~
- LDA Bullet_Speed_Data_Ex,Y
# \( P' X4 ?" {* L' [7 ^% y - STA Bullet_X_Speed,X
0 ] K- [, s' U0 U/ w - RTS
+ t k8 m3 p% y3 R) _$ {$ u -
7 ~# ^) L8 @ A7 h - Track_Enemy_Ex_X_Less_End:
, k) x% C9 |# f$ d1 q - RTS
) D& i9 S9 N& H; r, x/ X2 E7 [1 |
) Z/ Y/ c- @ O* v4 R) z! O- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X1 O. ?' q5 g2 _+ e0 ^0 C4 k
- CMP #$03
; H3 v' T! j9 S& y! W+ H. l - BCC Track_Enemy_Ex_X_End' l0 w: s' w- |) e# m/ i! z' Z! ]
- LDA $6020,X
2 e, z& K$ X) s+ d - CMP #$2A
* p: J( N5 |) \7 n4 c - BEQ Track_Enemy_Ex_X_Greater_L1
4 A4 F7 N- v! D. o* m - LDA Bullet_Z_Pos,X- e9 ~. j8 l6 n$ r% C! ]
- LSR
9 I- g: D( O( E2 f. m - TAY
9 e8 v$ |0 U3 |7 L( Z' k - LDA #$00
' `2 U' B: v* W. R% i - SEC W, l4 K9 J1 Y0 F
- SBC Bullet_Speed_Data_Ex_R,Y6 m! f& I8 @+ T, J& [. F
- STA Bullet_X_Speed,X
5 i2 \) l4 ~& D. @5 R. g Y - RTS# r# \' J3 ^/ ^! h$ D, ~& L1 N2 t
-
! N4 Q+ w3 E8 q0 ] L - Track_Enemy_Ex_X_Greater_L1
+ @% @6 h. h- v: P5 X9 _ - LDA Bullet_Z_Pos,X3 D6 M/ x8 x4 }4 C% `/ k
- LSR' I" J" ?8 o0 o
- LSR
5 |2 ~: Z- h) _* X' j3 w) Y5 S - TAY2 b; Z& r+ W/ f. j& X5 H R
- LDA #$00 Z8 f& I& O5 y" X: {! s1 T
- SEC
+ a8 B& | r5 K D- Z3 D, H - SBC Bullet_Speed_Data_Ex,Y2 [2 i' X% e6 ]. h0 y" f
- STA Bullet_X_Speed,X3 b |' u4 i) E g
- RTS1 ]" B; U/ W8 e; ]* B- b* v
- 0 b: n) {! i: T$ L
- Track_Enemy_Ex_X_End:. b5 `1 g# f# }4 }: h0 _7 }0 o0 A: t
- RTS
+ @( j: u: U- t+ x1 Q- p - $ M4 V& C. W* g* ?, e
- ;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)# l1 z v8 d# Y. y
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上% `7 l; n4 @ W1 y: L- B' d
- Bullet_Tract_Direction:
" [0 ]) K/ F# l7 {# v( I - LDA Bullet_Icon,X
& e; A' e L9 {" G, X. j/ C+ q+ e4 Z - CMP #$23
. ~+ B& y2 Z% R7 g, P6 H9 E- S5 w' F - BCC Bullet_Tract_Direction_End$ [4 o1 z- V( N( S D: ^) q' r
- $ U- Y% L& `: D: d! {! v
- ; X != 0
0 X7 ^( i. l0 C* L4 d# k - LDA Bullet_X_Speed,X7 y o+ Z/ d0 Y6 L0 Y$ r
- BEQ Bullet_Direction_V
1 q; j; w! ~ j1 T - 4 z y8 S4 C4 a% D- g- Z
- LDA Bullet_Y_Speed,X9 \1 b6 c& s/ M1 ~+ O$ D
- BEQ Bullet_Direction_H1 P, t( c9 W$ U' o; d; }8 j$ J
- ) ~1 U( p1 v" H! z, w }( s
- LDA Bullet_X_Speed,X
3 U* Q# o& \1 B - BPL Bullet_Tract_Direction_Right7 N7 l( p2 ?4 I) `! M( B3 I
- Bullet_Tract_Direction_Left:
3 z& i8 B1 ~9 D* W1 _; V. w0 S - LDA Bullet_Y_Speed,X
F4 z, m, z7 ]3 i7 K* o4 v7 U - BMI Bullet_Direction_Left_Top) R- b7 A# @1 S' C' Q" a
- BPL Bullet_Direction_Left_Down( l/ l$ C: l! j, c( }
- Bullet_Tract_Direction_Right:
" Y. u# J( y- ]4 |3 F* M3 k - LDA Bullet_Y_Speed,X
' h/ @0 |, ~5 m7 V6 P - BMI Bullet_Direction_Right_Top* z5 s8 b0 ]0 h6 N$ B
- BPL Bullet_Direction_Right_Down
- P8 H: B( ^5 T0 w) z/ C - Bullet_Tract_Direction_End:
9 H1 a# c4 H% d9 M" V9 @3 `& H) c* ] - RTS
) |9 I& B0 b, J1 n! z
7 t5 u% r3 b) M0 c1 k' w- Bullet_Direction_Left_Top:/ j9 m& ]" x! F: }* X: s) @+ }: `
- LDA #$25
! J7 H0 ~2 }6 @! {+ T - STA Bullet_Icon,X$ x" g; B/ k* X5 F
- LDA #$C0
; t7 y* G: i& S' d - STA Bullet_Direction,X
( l. U& A- R1 a - RTS5 V. v2 t( h; ~; S3 a a
f; G( I% ^1 K% p8 B& W. D3 U/ {- Bullet_Direction_Left_Down:& T6 i P1 m& m% O2 t' Z1 |
- LDA #$25
+ F/ v d5 l! y \# O2 y - STA Bullet_Icon,X
5 g9 u$ U! T! u - LDA #$40
0 d7 n1 ^8 O5 ?+ e& w+ d+ y - STA Bullet_Direction,X
4 \1 F- u0 ]+ @; O - RTS3 c3 V M I2 a/ h% V0 \
8 y# N9 Z3 w4 q' {( g# a- Bullet_Direction_Right_Top:- \) }: k; z) [+ F6 Y* D
- LDA #$25
) X0 r' N. H3 _) }5 j3 o/ T - STA Bullet_Icon,X& \# ?# I4 `8 Q' o! C% }* h- e
- LDA #$80
6 o0 c# H* H7 X# g6 { - STA Bullet_Direction,X
/ ?+ ]$ C0 P' \# A5 A6 A - RTS
3 D3 X1 E' R1 b6 y% E7 k
+ n0 W8 c9 e4 f# o; ? m6 x9 w- Bullet_Direction_Right_Down:" r. Y3 O; |$ [9 k
- LDA #$25) R) f; H2 ?/ n
- STA Bullet_Icon,X) F A. Q7 p* M) m R
- LDA #$00 F1 V1 v) o5 Y) h
- STA Bullet_Direction,X
, I6 @# I# s! z - RTS$ D( g) d* _# W8 F+ ?6 }
- 5 g/ K2 B, c! C
- Bullet_Direction_H:) M! E8 o9 ]5 p2 e( _& H% p5 ]# j# N
- LDA #$24
/ X* B% W" y5 [# C+ | - STA Bullet_Icon,X
+ ~7 h, b3 }* ` - LDA #$00! q" N8 b x. t3 ~
- STA Bullet_Direction,X$ L; @ ]# q" K4 _6 t
- RTS# _& f, t8 Q5 r- ?
- ! q1 h- q5 l1 g& f( I, a- d$ M
- Bullet_Direction_V:
5 x0 j; h: b; I9 w+ _$ p2 D6 V5 O$ e% S# j - LDA #$23
1 o& j2 ]$ [' v0 m1 Q1 s/ {; w% m - STA Bullet_Icon,X
$ c$ ]% w' H4 A$ t - LDA #$00
# f0 R: ^7 a0 f ]! j - STA Bullet_Direction,X
$ `, ?& c# c n8 r8 r( T - RTS% S# L9 A; b3 q
- 5 e% t3 V, {1 P6 i* u- E2 [
- Bullet_Speed_Data_Ex:9 `7 j4 y2 H/ w1 \! B
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
( w; N3 O0 z _3 D ]" x# ^% v5 c6 g0 | -
$ c8 n: A0 g. _) Z2 j - Bullet_Speed_Data_Ex_R:6 u4 E9 [3 a$ `4 ?* W3 V% U, E. Z
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
/ M" [, k3 l. Q4 R0 I9 T -
复制代码 7 i7 ^% @, I: e7 J
- ~+ Z) b+ T Q) b x1 s
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