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[FC][魂斗罗][J][追踪弹]
8 x1 `; b1 I! o- N6 [
: C6 M0 ?6 y$ k. v- S: T时间:2023.04.30
, [4 t# s! U- j. D7 C作者:FlameCyclone
3 y7 ^. W4 O9 G3 ]7 i' s内容:
7 T1 e' l/ X0 f: ` 1. 所有子弹追踪敌人: z) z6 `0 M. u/ {2 i4 `. K4 Q
2. 选择键切换武器
" P0 J* i, S8 }# d6 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) O. D3 p( Y. i C! q
t$ X8 E$ C) c4 e' \, [6 \
flamecyclone.ys168.com' u- D: v/ N) w+ h- V' V1 X
" Q% f( k8 \& G q; }6 Q
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
& O4 {8 ^5 s0 {( Z - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
0 C1 j& h; z+ @- ]4 Q - 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)
" I6 d5 M N: P/ z
- Z# S1 v# k- f/ \0 j2 x L9 O- ;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)
' |* v: {/ Y( |7 u1 z - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上! u% A {% j, p% J0 Y/ j1 l
8 o5 B% N8 ?5 T% M1 i" v- Track_Enemy_Index = $6000
$ k% S1 u$ J1 s - Enemy_Index_Begin = $6010* \: D. P4 [+ ]6 w6 i* O+ w6 y
- Enemy_Index_End = $6011
( }' |9 }( b% t - / g. L D0 d' S( }: b
- Loop_Index_I = $6012
2 {% I. ]0 |5 }$ v1 Z5 }& p - Loop_Index_J = $6013! H* U; a$ c" }
- nEnemyIndex = $6014' ]; m' j8 U1 q& P/ Y v2 b
- Data_buffer = $6015
" A, ]2 }0 Z7 m - & I, m. Q5 y, u* X0 X9 b
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标5 P0 t( _, e) f
- Bullet_X_Pos = $03C8 ;子弹水平坐标
6 _8 z! l8 v$ y; t& b' R - Bullet_Y_Speed = $03F8 ;子弹垂直速度7 u( C! J" Q* G2 K% y, k2 y3 Z
- Bullet_X_Speed = $0408 ;子弹水平速度$ \; v& F. P: E* e
- Bullet_Z_Pos = $0418 ;子弹Z坐标7 e2 J) C: F, z1 R1 ~0 P
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
/ M4 k) e* ~7 `3 q9 O( G7 x/ I
' \6 \ ]0 `" t, a* t1 c o- 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
; e% _9 ?+ l# x' f6 h - Enemy_Blood = $0598 ;敌人血量
# r5 X# r! F; e! z - Enemy_Type_Addr = $0528 ;敌人类型4 Z+ R: [+ I2 C3 V: h2 ~
- Enemy_Blood_Addr = $0578 ;敌人血量6 L" c1 q0 A9 \
- Enemy_Y_Pos = $0324 ;敌人垂直坐标: T0 D. @+ u4 w( t
- Enemy_X_Pos = $033E ;敌人水平坐标
) p- S6 X' ?0 l( k8 E _ - Enemy_Y_Speed = $04E8 ;敌人垂直速度8 x2 T; t. y) @" N5 C P* P
- 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
3 g2 Y* _# M0 e7 y- M8 j2 M
c) X) b& x B/ }) w- V- Enemy_Index = $83 ;
5 @& |% r% a: j+ b0 X - Time_Count = $1A( j% D" H' W! |' e' ^
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
3 @: V$ x( s; G. A) E: u6 U" M9 F! h - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率' r, `. X8 R J' x. |5 C% G4 h1 F
& v! m" {# n) ?) d* E, B! l- ! }" M2 C2 z% D
- .ORG $6100
\0 C1 U: w# ^ - Process_Begin:
& | ?- M, @8 Q) O3 w4 [) ^: | - JSR Enemy_Check1 y& c9 |3 R5 w3 X
- JSR Track_Enemy_Check# u9 m8 o* y* l
- Process_End:
# h/ N3 Y* _6 Q: m. d% ~3 V - JMP $E54F
5 w- z9 R" O( W9 R0 s
8 ~8 G7 w% j4 d( @- Enemy_Check:
0 w! a# u) s7 c" R3 e - LDA Time_Count2 h* y: N4 ?0 }
- AND #Track_Bullet_Speed3 I2 B, e4 M: u/ M
- CMP #Track_Bullet_Speed: M ?. E+ \' }- W m' c/ X# O D- _. W
- BNE Enemy_Check_End0 h1 _+ o" g5 E# N! s- o
- LDX #$0F* {0 [* j! I* z' t1 H P( Q. `7 j
- Enemy_Check_Begin:2 W2 F) Y( z9 F* T: a- m( R0 T
- LDA Enemy_State,X6 u; k7 K% g# C4 H4 `: D
- BEQ Enemy_Check_Continue
) ~& X5 t, N7 ]8 M# \) E* s1 W - STX Enemy_Index
' {" h i9 R9 } - JSR Find_Begin_Enemy d5 p$ r7 \0 ^, N* R! J1 D% j8 L
- JSR Find_End_Enemy
8 z! _# s( ~+ L7 e6 f - JSR Bullet_Track, P) v, I7 ~+ \ |- u, ^
-
. M% s, U; g0 l" v - LDX Enemy_Index0 |4 s/ g9 g/ Z+ F: \, G
- Enemy_Check_Continue:7 r. |1 Q, H9 Z+ R2 q$ n
- DEX
' L6 X) s# k Z- h1 \+ ` - BPL Enemy_Check_Begin
% f3 ^( u) P \- M0 O; m% d: o - Enemy_Check_End:2 x; [+ a3 G0 R+ k/ d& D! y3 L# t: v
- RTS2 ^2 G1 ^1 J% `) X3 K. \# E9 q
-
* Q E7 E& a( t/ C - Track_Enemy_Check:
$ E4 B& h4 o A' N2 v' D$ d4 L+ d - LDA Time_Count
) S( M- a% j* P0 B1 g j2 ] - AND #Track_Enemy_Speed
, b3 i) j% h. J! z3 o3 x - CMP #Track_Enemy_Speed1 J* W" ~2 c. L, J
- BNE Track_Enemy_Check_End
5 j6 U7 r" R! k5 c! | - LDX #$0F0 D6 A3 G# D0 u' v
- Track_Enemy_Check_Begin:
r- e* |' D8 A - LDA Enemy_State,X; B% g' U6 T9 C6 _% k* W
- BEQ Track_Enemy_Check_Continue9 a& a0 K' W9 g3 j% X0 g- G
- STX Enemy_Index! C) {* P9 }! M+ V2 u* B/ t7 k
-
0 R9 y! T) k P9 s - LDA $409 q- J" a! L; x
- LSR. M- `0 }* A; B( F
- BCC Track_Enemy_Check_Begin_L1( C. k/ X8 Y) U0 b
-
/ K1 m7 y7 e5 h& ] |5 E* m0 r - JSR Track_Enemy_Ex ;2, 4' }0 V: E' T% d9 H! O1 M% ^+ _$ G$ ~
- LDA #$00
# U" P0 t# p5 m5 b - BEQ Track_Enemy_Check_Begin_L2; z7 ?2 v: j* t, o
-
; g+ p3 R) x8 l% o* k3 H - Track_Enemy_Check_Begin_L1:3 V5 M, c# G1 I! J6 r
-
# U7 Z8 }% G7 H2 Q3 \5 g& o h - JSR Track_Enemy
# v) }: I) g+ E
7 S; e+ c% J1 K8 k2 R- Track_Enemy_Check_Begin_L2:
$ E- x$ m( B2 V! R9 m -
' W C- y0 G% }% q0 p$ s0 i - LDX Enemy_Index8 m/ \. H" p( o" U4 Z
- Track_Enemy_Check_Continue:, ~. h) o& g/ U5 d! I2 b
- DEX
- R+ e. u3 }% r. m - BPL Track_Enemy_Check_Begin
0 X2 ~/ w V& m- t - Track_Enemy_Check_End:- Y) g; r# t& o5 ~
- RTS; c2 m& C+ j6 Y
- ( F+ q- m+ w9 x2 v) v
- + t! Y2 d' e. I: H' G
- ;查找第一个敌人2 r4 f2 x7 U0 u- D7 b3 C
- Find_Begin_Enemy:
' l7 L5 F, P7 t5 A4 q& g+ g( Z - LDX #$00
7 I( \9 W2 }5 f6 U' Z2 A - Find_Begin_Enemy_Check:, Q$ P) {2 _' Z8 W2 Q$ M% }1 D
- LDA Enemy_State,X: P1 \, V |4 i( ^; Z1 Q9 t1 d
- BEQ Find_Begin_Enemy_Check_Continue! H8 ^4 H* T# O+ }' i3 [2 D
- LDA Enemy_Blood,X9 ^% P$ y4 U4 k$ @1 V
- BMI Find_Begin_Enemy_Check_Continue
! N: n9 V4 |4 Q# G0 R: _ - BNE Find_Begin_Enemy_End
2 ~8 R Z. h2 L* [5 e/ A -
+ d5 s+ S- Z2 B - Find_Begin_Enemy_Check_Continue:
% u% S4 w3 w; `- @9 `* ^ - INX
3 I% N9 S# ?5 V7 e9 A: k3 d; j+ P( i - CPX #$10" c. W" o, o* q$ { v( g
- BCC Find_Begin_Enemy_Check
! z9 e# B" Q9 } - Find_Begin_Enemy_End:, Z/ n" l6 X" d% Y, ]- d: n3 ~
- STX Enemy_Index_Begin
7 d: X5 V/ @8 q E' P. [ - RTS; T! H" L* T7 i4 M! |5 M
- % |! L; U+ i7 Z. }9 V) A
- ;查找最后一个敌人6 v6 g3 h# \* Z* }3 z
- Find_End_Enemy:
, Z! ?/ t3 r+ q$ S4 U - LDX #$0F9 e* w) V7 G8 n" O H: {
- Find_End_Enemy_Check:- ^. u1 o, n% L6 D
- LDA Enemy_State,X( J6 T+ q4 Y- n$ Y' f7 @
- BEQ Find_End_Enemy_Check_Continue
% N2 O& a% [. v2 F: _ - LDA Enemy_Blood,X1 t4 p1 E: |3 f
- BMI Find_End_Enemy_Check_Continue( d1 f1 W4 u+ N, V- \& V
- BNE Find_End_Enemy_End
! B A! V' b& y9 V - . ^$ [& R1 o O. R
- Find_End_Enemy_Check_Continue:8 |5 J# _, D3 A( G8 _
- DEX4 j+ |+ l3 L: V' [$ g1 R
- BPL Find_End_Enemy_Check
: Q7 {& | W) j) J5 M - Find_End_Enemy_End:
. s7 H8 {' T! f$ O+ C - STX Enemy_Index_End
, G( F. q" J. S+ [& f9 F# j - RTS( _ ]& i. c' Z0 O/ u
- * p5 [) ~) {8 ?1 L" L
- ;子弹追踪8 P9 `4 s4 M+ b9 Q
- Bullet_Track:0 K7 X% D) [! i( g/ q4 ?- \0 W
- LDA Enemy_Index_Begin, v- o/ z: [3 h8 u* _ ~
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;% M: x5 |. _( J6 {' [& j9 \
- LDX #$00
. g: \+ H) D5 U1 i5 } - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
- w; u; R2 U- @* S6 H6 q9 m/ T9 N- ^0 X - LDA Bullet_State,X% ^: Q3 }' s& X" c9 y) {6 B' W* \
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;' V2 t; Q, U! E7 J% P, F; B$ m
- STX Loop_Index_I
# q! n% E/ \/ E, ~ -
& G7 P( f* M! A0 Y" F+ T - JSR Bullet_Track_Enemy& z" Y9 G! ^ G3 `
- JSR Bullet_Tract_Direction. j3 ~6 j, u' N' T# L F% W* ?
- & S! ?/ J3 X5 B9 y" _: r
- ;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
9 }0 w" @( o/ ?- v - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
! `$ |/ Y0 V% y+ o+ c/ Z - LDA nEnemyIndex
* W" H, |' ^: i/ l - CMP Enemy_Index_End6 |7 ?; \* U6 ~" q" x
- BEQ Bullet_Track_Check_Continue
, f d% {* k: Y3 g5 |6 ` - BCC Bullet_Track_Check_Continue
2 _4 `4 X) X8 w1 f5 r/ H, F" l) B$ a& N - LDA Enemy_Index_Begin) y* [( t# p/ ~* B( l* M) [
- STA nEnemyIndex' P# c+ Y! j' M: I+ w' L
-
1 C/ v! G! [4 a) q) ? - Bullet_Track_Check_Continue:
4 g9 J* R r0 M" n3 M' t& K - LDX Loop_Index_I
# b* C9 D! a- v/ t `( P$ C. S" z - Bullet_Track_Check_End:
' G0 ~: N# T. F6 i0 I - INX
# ^$ R, o- o" y9 d9 G. B - CPX #$10
$ D( m; d! ?$ S+ d - BCC Bullet_Track_Check6 P( T" P N: r- _2 b
- Bullet_Track_End:
( K1 n. @4 |3 f/ I5 c - RTS
: {& Y& c* u7 v7 o - " M8 o* e- o4 R8 D8 p! Z. i9 f
- ;给敌人分配子弹
: B! L! {6 A5 O! v* y0 N% r - Bullet_Track_Enemy:
# P2 ^. R4 i/ I5 ?* L/ Q - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
5 c3 F: h0 d. U - Bullet_Track_Enemy_Check:
( e0 y0 S% I# K) U# \ - STX Loop_Index_J
/ ^9 T+ k8 V6 w1 J! S -
/ j0 m* F2 _0 I+ H& W' [1 O7 F - ;if (0 != nEnemy[j] && -1 == nTrack[i])
! \0 g9 d- v7 ^3 z - LDA Enemy_State,X
3 q( ]1 @% X- M/ k* `& Y - BEQ Bullet_Track_Enemy_Check_Continue
, S# v# l% O, r8 ?, |8 [3 x - LDA Enemy_Blood,X% h0 b) }8 k$ j/ B5 U, T
- BMI Bullet_Track_Enemy_Check_Continue5 d* w3 d# s& y) y5 |
- % \& p) C# F/ X; p4 [' u
- LDX Loop_Index_I S7 b) e m8 s' i
- LDA Track_Enemy_Index,X
: m- X' B8 O$ G0 p( B- T* | - CMP #$FF7 Y. E: U) w! T+ k/ ]
- BEQ Bullet_Track_Enemy_Init
: ^& s+ s- R* x1 ~! A -
( C R2 Y3 w j' q/ ?/ `2 S! U - Bullet_Track_Enemy_Init:
, {7 N& T9 ]$ M! n! m" L - LDA Loop_Index_J
: ~1 _" s @% W0 A: y$ S - STA Track_Enemy_Index,X ;nTrack[i] = j;
) T. i- U; K+ x/ S* Z) D* }, z - ! k5 g9 p! U; {+ H2 @8 m- l
- STA nEnemyIndex
* w( V8 u+ G1 U9 P/ C - INC nEnemyIndex ;nEnemyIndex = j + 1;! r9 R( }# @1 K! b) D+ x* Y6 Z
- RTS ;break;
8 c; b5 [3 N8 u0 i& M. X! b; z - 5 v1 L3 [" D: _# B" R+ b/ X
- Bullet_Track_Enemy_Check_Continue: o6 ^$ s% v& g9 z4 e+ `6 ]
- LDX Loop_Index_J* V' E* m5 m0 V
- INX ;j++
* }6 G) M; k- n; i X! `! ~ d, g - CPX Enemy_Index_End) L0 l* O" \3 z! ?2 ]4 e
- BEQ Bullet_Track_Enemy_Check
2 `% Z8 g4 ]- ^0 _5 K - BCC Bullet_Track_Enemy_Check# Z8 e8 t! A3 E, ?. d0 `# z
- Bullet_Track_Enemy_End:' ^6 @1 N5 I. V+ A) f
- RTS
* l: N/ Y* ~7 t0 @) y
% s6 v" f) v/ E" b7 D @6 T* L- Track_Enemy:: ]3 d6 o' x9 U; ~! E# K' Q
- LDX #$0F
% \ q5 r( o& F2 k - Track_Enemy_Begin:) t' @, ~8 j% m" ~4 s
- LDA Bullet_Icon,X
0 u1 r4 [! v! p2 m - BEQ Track_Enemy_Continue
& Z- A5 F3 z8 a- h" B, k3 X - LDA Bullet_State,X
( W- t4 C8 A# A9 u" i - CMP #$01 a/ `# r2 `& f7 ~4 T! T/ ?+ S0 r) D
- BNE Track_Enemy_Continue
$ v5 o4 e' z7 g- O -
# d; n9 l# ?$ d" n2 X5 Q9 x - JSR Track_Enemy_Process$ I9 w8 M/ I, W+ U. t; [
-
. s+ }- |: ?: _ M% ?. t8 B' D - Track_Enemy_Continue:4 l0 c0 \1 s4 i4 w* L* P8 R+ F# D) C. q
- DEX
& u u+ n# k4 `/ E+ I - BPL Track_Enemy_Begin3 V$ k+ v' m ] [# [
- RTS( w$ F) ?: v$ w
- $ k% W' V! f5 e* U; d7 F9 N$ M# A
- ;普通关卡
- P7 c( |& D1 Z1 E - Track_Enemy_Process:( H" h9 a2 B0 S
- LDA Track_Enemy_Index,X$ W% B1 a, `, V& Q
- CMP Enemy_Index
1 c+ W# o: g& Z9 d6 o) v/ o! z - BNE Track_Enemy_End0 B! b3 ~% y: t. o' u
- LDY Enemy_Index9 P6 q9 e, Q: x1 ~5 y( e' y
- JSR Track_Enemy_Y% ^6 T- S/ F4 V6 b
- LDY Enemy_Index* W5 h/ g- O( W, x7 }) ]& C
- JSR Track_Enemy_X# R! }$ Z2 j' e: O# A. i' L
- Track_Enemy_End:$ e. B1 A. J5 q, ?- t
- RTS' k7 M0 G# L; R
- ) G2 V1 |0 C: u9 Q& o& X
- Track_Enemy_Y:6 _! u0 u4 u' b0 p3 D6 z
- SEC
5 h+ e1 X% Z) H" g' G - LDA Bullet_Y_Pos,X T7 D N a' G% A/ A1 f& E( r
- SBC Enemy_Y_Pos,Y) g2 A" _8 n3 b/ V( Z9 S& I: y
- BEQ Track_Enemy_Y_Equal0 C8 t6 Z0 o4 `) x* N$ x& R, W
- BCS Track_Enemy_Y_Greater
/ Z Q, M# ]; {- v& @( x' o* G$ a - * T$ d* G/ I( t: V+ ?
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y6 Y4 l$ p e7 K+ D$ v
- CMP #$FC
' p/ W8 S% e6 e, f. z V9 a - BCC L1_1
' }; ~* E& w7 I3 D - CMP #$FE) H$ h% }; E% B; w; g
- BCC L1_2" G+ ]& {% N8 u& _9 D# j# e
- LDA #$00: T3 n; H t. i, U9 C p
- STA Bullet_Y_Speed,X
4 Z9 ?* J8 n, Y. X7 n$ x - RTS
2 T" t& G, |; A - L1_1:
8 ~0 T/ g8 X! L. Y; S - LDA Bullet_Type,X
# |: d$ u) E; q' q& O) P* @6 L( e - AND #$0F
: M" _2 [! f, m7 m+ l5 R1 S0 x5 a$ X - TAY$ d1 ]$ ?, L4 J% ?% _8 E0 B1 w' S/ N
- LDA Bullet_Speed_Data,Y: ^7 q" n3 F, t4 L8 A6 u
- STA Bullet_Y_Speed,X' M$ c( H' V; x/ p
- RTS
; Y8 D8 W3 W5 t0 ?: l# s% ~, a# r; G/ v
7 ?1 L" |2 m# i' t+ _+ h, c8 G- L1_2:
4 d/ K& q4 o j3 m - STA Data_buffer
( k7 x/ I, S; s0 @& S, H5 _ - LDA #$00
9 {* O9 N' J6 `4 e8 p - STA Data_buffer
! P! i( ~( O. t$ `. v9 c - LSR
, `" ]$ L0 N+ g$ h - STA Bullet_Y_Speed,X
) o- J/ i1 N1 B1 p - RTS
2 E4 d1 Z! O# _7 }8 ^ - 5 i7 L- h# a' |+ V8 M) u- l
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y _2 U# L5 c3 P5 \
- CMP #$04" r: b8 F* x( O4 [" N9 Z
- BCS L2_12 c# K9 Z, T8 @7 R3 ]. ?5 e
- CMP #$04
: H2 M# ]+ J8 z; h5 w+ N - BCS L2_25 U0 U# L1 R: r$ u; k% ]
- LDA #$00
* u% u" c- [: C1 ]# [4 ^4 F - STA Bullet_Y_Speed,X' e0 k( ?( q7 @$ c! g
- RTS7 B+ A, U+ J% [* H: P. u
-
5 d" I0 F3 e; f- e' z$ v - L2_1:2 O+ u8 E) x5 `* P2 L# N* _- j
- LDA Bullet_Type,X
, G, ~; O( h' D/ [ }/ X) S- L - AND #$0F
8 E* m# ^6 ] G. K - TAY
4 G% c8 B5 H/ X& a+ Z% P5 I6 ]+ o - LDA #$00' K6 n: d& A# }. d4 k" N7 P8 ^
- SBC Bullet_Speed_Data,Y
, B6 \2 X* Y* @; W3 ^1 n - STA Bullet_Y_Speed,X$ q$ f$ _- q: W
- RTS
1 z1 B& Y- m6 z0 O) y - 3 p/ S% \9 y$ d0 _, A2 [4 n
- L2_2:
" i6 c3 ~: W0 `8 a, H3 v - LSR
) a' d) \ o! W - STA Data_buffer
, q: m$ Q* ^1 M+ X) z7 n" M - LDA #$00' P$ m' r ~+ d! A
- SBC Data_buffer
% O# Q. l8 V! R2 p - STA Bullet_Y_Speed,X& p# N/ ?3 U) H1 t4 T
- RTS \- E+ M5 B7 W, f- b2 N
-
3 a% ~" }7 P% R, j& w, F - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
# j( t3 l. ~' t, M& ~3 L! `0 N - LDA #$00+ T- Z' B- M& E7 l2 R
- STA Bullet_Y_Speed,X- {9 o" c k7 v7 R
- RTS
6 b8 \) `4 s8 ?% S- D - ! o8 Z8 i1 _5 y& C* E: |
- Track_Enemy_X:
% r3 L! P5 T, b$ ?/ I - SEC
- j; u/ y! X3 Y/ u0 u - LDA Bullet_X_Pos,X
/ W4 n) C" P- s# f. ~0 w - SBC Enemy_X_Pos,Y2 {2 c2 K# m% j, k! y% n8 G
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
6 w& l9 U: y0 C0 [ - BCS Track_Enemy_X_Greater ;子弹在敌人下方
& _. d" R* {, @$ j9 J- {6 v -
! e$ N# i: i: l m. U - Track_Enemy_X_Less: ;子弹X < 敌人X
* X" A; h( _4 i$ s; C d - CMP #$FC
" D l$ v X" Z7 u8 x6 j: X5 D, S - BCC L3_15 B3 w. S! G* u( g2 V; B( f0 z
- CMP #$FE
! |3 [: j! W) q0 L - BCC L3_23 s: d- T& |5 c
- LDA #$00
" W1 f, I8 A) z# h6 s$ N3 Q' ^( A - STA Bullet_X_Speed,X9 v `- ^( T6 \/ e* a
- RTS
O: n( Y+ [& m" _; \+ L - L3_1:
) \: x W1 D; R - LDA Bullet_Type,X, e, i2 N0 c. } Y7 l/ K
- AND #$0F
+ v+ V: Z; q2 M* i - TAY
+ L$ J' P3 Z( ^* d. O" m* V9 I/ P - LDA Bullet_Speed_Data,Y- D% h% E: b/ n+ t3 r; x) b {) K
- STA Bullet_X_Speed,X& O8 T0 Z5 }- u# y, O
- RTS
$ @2 L* Z4 b+ h2 ~0 q1 C/ L0 m! n - L3_2:
2 n* t6 c7 H) l$ ^# p' F" T& | - STA Data_buffer/ R. W3 R/ Q1 n' E) @7 {
- LDA #$00
6 ?4 b7 U- K) j" g: T - STA Data_buffer
; R) ]" w3 s/ ~6 l. U% `4 V2 T9 j. C - LSR4 o$ i( ^- V- R
- STA Bullet_X_Speed,X
& b/ _7 N" w* w2 Z: ?9 G. R3 Y Q - RTS
# [- Q0 A/ \" v" z( M* Q -
" f/ ]+ ]6 F1 c, j - Track_Enemy_X_Greater: ;子弹X > 敌人X, D; j* z: j) T" k
- CMP #$04
8 `: z0 _$ e. G" G- k$ [& | - BCS L4_13 ?$ V7 i: E* T6 m
- CMP #$02
" j4 N" ?) h P6 C7 f; S - BCS L4_2+ @2 e: c& r0 N A" k- d4 N' c
- LDA #$007 \3 F9 E# v2 Q
- STA Bullet_X_Speed,X( ]5 `5 C& t) v2 ~* J# S
- RTS
1 S1 V, h n7 }% P -
; _/ }4 y) }8 I8 f ^, b/ N6 Y! _ - L4_1:
* |9 l" z! F* q) ^) [9 E - LDA Bullet_Type,X2 ? O/ A! }$ a, \7 R
- AND #$0F
$ [* k' V% N/ A - TAY# W$ K7 }5 }4 o& B' `6 e
- LDA #$009 `/ m+ |7 v* J+ h' P
- SBC Bullet_Speed_Data,Y
! W4 Y+ [% ^9 e7 F, l" N" B - STA Bullet_X_Speed,X
8 W! E. T7 W& n: s) v7 j: e - RTS
1 r+ m5 R% {2 i3 R7 f1 W2 A. \! j8 x - L4_2:
1 @4 Z5 @9 b. e+ H* k - LSR4 L5 x4 V' C, Z' k
- STA Data_buffer
( b. m ?& J1 q: m1 c0 L; x - LDA #$00
* Q" u! I1 f. `5 q* m( Q - SBC Data_buffer, J7 c! E) [9 C/ n+ ?
- STA Bullet_X_Speed,X
/ A: p/ J, l' l4 r, b S `5 G4 _ - RTS0 J4 x; `/ B) n; H$ Y! x t# m9 G
-
! x4 ^' @. n3 l6 J' \2 { - Track_Enemy_X_Equal: ;子弹X == 敌人X
/ g% f a! n) W7 M/ t - LDA #$002 X5 D; B5 B9 Z8 r5 B
- STA Bullet_X_Speed,X
8 W3 z5 t- O- ?& g7 E" |! { - RTS
) d# {) o! r6 Y* T - 9 |6 p: t& @' A i5 t9 I
- Bullet_Speed_Data:4 u: e" [5 {. Z f
- .DB $00,$03,$03,$02,$03,$03' M+ ~2 q; n. G( c1 I
- 4 M4 I4 _4 @6 S, o5 m; e, Z' \
- ;2, 4关
3 f% V9 D$ a2 B. O- N - Track_Enemy_Ex:
% D9 Z- W! S( u/ A - LDX #$0F+ I6 b7 t- W/ \3 f! A. b9 U' \" W
- Track_Enemy_Ex_Begin:
6 U2 W' v" p4 I( n8 J8 Y
; w( I- w2 M+ ^8 l- ~# N- LDA Bullet_State,X
4 J3 i2 X# G$ x5 J - CMP #$01
9 [, r, F/ p7 X6 ?) X h$ G - BNE Track_Enemy_Ex_Continue
' y$ z& c4 T7 J. O) g& k% ~) m -
; q8 Q; o% S, a" o4 e - LDA Track_Enemy_Index,X
0 q! g- ~) B. B2 @- o; g U4 h# R7 | - CMP Enemy_Index
9 b. t1 L( Q$ |9 _ - BNE Track_Enemy_Ex_Continue ;匹配追踪目标0 u( G T; C; V$ z
-
3 Z8 f1 {7 F" C- G5 I$ w" i' t - LDY Enemy_Index3 P, U5 V% D r% M
- JSR Track_Enemy_Ex_X* u, j; @6 n3 g+ {2 x
-
- w. y+ ?# F) o9 w/ V - Track_Enemy_Ex_Continue:
$ w- y- G# J$ {7 b3 v - DEX) {+ }: A2 P# w4 @
- BPL Track_Enemy_Ex_Begin0 P: A5 v! E: p. Q* |( O) A& P
- Track_Enemy_Ex_End:' `& u% d# R, S. W# k+ q
- RTS
( @9 t V. v: P. b3 W -
6 V6 c# U8 s1 p3 T - Track_Enemy_Ex_X:
$ I& G& E t/ G - ;LDA Bullet_Z_Pos,X
( a& f+ ~/ M- W; v2 | - ;CMP #$042 J M( y( w! o( O1 h
- ;BCC Track_Enemy_Ex_X_End: \: H5 `6 H Z8 r, ^3 B+ Y
- SEC; G u0 Q d, l6 J
- LDA Bullet_X_Pos,X
" j% _4 z' J4 F# s+ R - SBC Enemy_X_Pos,Y
w% Z8 w. E y5 f" Z - BCS Track_Enemy_Ex_X_Greater
: r$ L5 ^! l9 N2 z -
( j8 Q2 J8 I5 i% M; A: e - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X! G+ T! k9 L: {; p% S2 V
- CMP #$FD7 o$ i" i/ T) h
- BCS Track_Enemy_Ex_X_Less_End' T& M* _& @8 H2 F. p
- LDA $6020,X5 k3 U% _+ s) u+ G' ?
- CMP #$2A. p4 P( m, | H
- BEQ Track_Enemy_Ex_X_Less_L1
5 t( I- g1 `. Y5 Q; R) x; J# P - LDA Bullet_Z_Pos,X
+ v0 q$ A2 x- K r9 S2 ?. t - LSR9 ~/ l5 V7 \' w% T: A! V3 s
- TAY4 e. A: O* J! g2 R2 J
- LDA Bullet_Speed_Data_Ex_R,Y
; r2 J4 Y0 t) U' X' D# M - STA Bullet_X_Speed,X6 D" ~/ d, r$ v+ t8 J$ c2 | E
- RTS
9 C# b% I- x! ?3 F - Track_Enemy_Ex_X_Less_L1:
8 s% ]% F4 E# r) k$ k) Z
& w+ k: d, l$ B8 E- F/ \+ v- LDA Bullet_Z_Pos,X, Q% ~* P0 @2 v9 y# ]# s `% E
- LSR
' ^7 o% K& H. X! e/ P - LSR+ y. b9 Z7 j9 e1 ]9 M
- TAY9 q& e/ y# _2 G% U
- LDA Bullet_Speed_Data_Ex,Y( u5 s) c+ @) i, r' }7 k5 A
- STA Bullet_X_Speed,X
2 A; \7 }5 p( W: [; K G! S! M4 U - RTS$ d: Q" E3 F: N2 b. b
- 9 B" U7 s; h8 p7 l# d
- Track_Enemy_Ex_X_Less_End:5 l( O& k+ t* A0 t: v N v
- RTS% H3 t9 C8 b# A1 y, u* P
- 7 A( k5 P. c8 c, p
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X/ k6 T7 a( O" B) x# R
- CMP #$03
0 V0 T- i* X( }) O/ C. c( b* S. x - BCC Track_Enemy_Ex_X_End
% s/ R( n* q3 {, N - LDA $6020,X- v; m. @: z2 E5 @4 @1 L3 F5 z
- CMP #$2A" z' p3 Q" H5 E& F9 g0 N
- BEQ Track_Enemy_Ex_X_Greater_L1
0 @. ~4 {- f: U- B3 b0 Q - LDA Bullet_Z_Pos,X% [$ W& ], [* S) |/ x% o
- LSR) U/ O* @0 \6 Y3 \# Y
- TAY
9 E; J7 A6 y- z3 [2 p. u- x; n - LDA #$00
& m/ H7 p& @/ s2 G" y - SEC2 g z" T. }; P$ S/ P* Q: N& H! ^- z, {
- SBC Bullet_Speed_Data_Ex_R,Y. k) `8 A& O0 Y) c, B8 }0 ^! A
- STA Bullet_X_Speed,X1 Y" E( b# R# h; l/ \ g' i
- RTS
0 w" L9 a' i8 a9 P( n -
. s; I1 V) i$ L - Track_Enemy_Ex_X_Greater_L1
& z# ?$ n) p& q4 F3 k( ]; b - LDA Bullet_Z_Pos,X: j; A8 \4 A" `3 o8 i l7 _: C
- LSR* K* Y' ^6 i p, K) P1 e
- LSR
; ]) p9 h1 j9 u9 x( D X$ u - TAY/ f4 _6 Y+ k- k6 E
- LDA #$00
5 G3 j. h; B; o/ x$ J4 z) h" G - SEC6 ]* } X8 {5 u' k+ P9 d
- SBC Bullet_Speed_Data_Ex,Y4 \: z+ F8 S& W1 u
- STA Bullet_X_Speed,X
- e- a/ I# W+ h' m: y4 z6 x - RTS
6 K1 A* t# S4 k* t. R$ j -
+ Q' {! E ^: u! r; o2 x - Track_Enemy_Ex_X_End:
7 D! j" d4 t, C% a1 H( m3 Y, I8 p - RTS
& J; |. O8 ^8 M1 j - 9 w1 @1 c1 z- @( w 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)0 W: s Q( S7 u' z! o# x2 J
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上/ c4 q: b& N) P/ L+ i. j: ~+ W' P7 Q
- Bullet_Tract_Direction:
& M* R; N1 ] k7 e - LDA Bullet_Icon,X0 k1 Z: L8 M/ ]+ T- U/ g5 Z0 n
- CMP #$23
) H/ r( A; O! s. Z - BCC Bullet_Tract_Direction_End1 G! p; S. Y* d. a2 d
- & e& L( y5 ~. R# f* g5 b. t
- ; X != 0
( K+ H/ e( @5 y1 H/ p# }( p - LDA Bullet_X_Speed,X3 {0 y9 S6 v. v) K
- BEQ Bullet_Direction_V2 N( _* C1 p9 v
- % j& o, k" m/ ^- t j8 c$ X
- LDA Bullet_Y_Speed,X, r8 X* S) b. L* j7 x: F: Q: Z
- BEQ Bullet_Direction_H& O) O( E$ ?$ {9 w5 w
- ; R H) R/ Q* S) g& l
- LDA Bullet_X_Speed,X' [- \ e( s: a% S
- BPL Bullet_Tract_Direction_Right
; n0 U9 H' B2 U- R3 [- ^ - Bullet_Tract_Direction_Left: M) N- z O; Y. M7 T2 I
- LDA Bullet_Y_Speed,X, w9 z: c: Q: U" I1 i
- BMI Bullet_Direction_Left_Top
1 P. Y. l$ i! X - BPL Bullet_Direction_Left_Down
, u l9 w1 z. T- \9 H0 O - Bullet_Tract_Direction_Right:$ ^8 b! i0 o+ i' k
- LDA Bullet_Y_Speed,X
; y- y) n6 A+ Y' c - BMI Bullet_Direction_Right_Top+ @: z' C$ M! c1 r2 w: i
- BPL Bullet_Direction_Right_Down4 A R5 e7 K4 a7 S) \
- Bullet_Tract_Direction_End:
, s- J2 c/ [3 V, ?) R - RTS
# r) s+ n' w0 t( G! T, G" ]2 F
4 t2 d# y7 T, s) d- Bullet_Direction_Left_Top:
! D) D: \+ h! @; o - LDA #$25
' b0 H8 O8 o# z/ M4 E% v - STA Bullet_Icon,X& T/ j B. h' s8 n; v5 t
- LDA #$C0$ B, ^7 y' ]' `2 h+ [, B; a' E* u
- STA Bullet_Direction,X
" {* u" R( q* F* f% `7 _ ] - RTS
: J" i$ Z1 \0 S* a
( j1 l6 D& G) c- g* O% x7 K. x- Bullet_Direction_Left_Down:! b+ u+ A: ]# q
- LDA #$25- o9 k/ L/ [' N N* v5 j' Q% E0 k
- STA Bullet_Icon,X8 O0 O) d" L- a
- LDA #$40
. F( H5 T8 v/ e( H$ D - STA Bullet_Direction,X! {4 h- a% u; |7 S5 e! ?
- RTS1 j- b! Y' z) {; t8 K/ C9 N
9 j% P* `; ?# v6 ^- Bullet_Direction_Right_Top:
0 f9 ]1 h1 P$ A/ p: H2 ^9 n - LDA #$25
. [- K# D# O9 K - STA Bullet_Icon,X
" ]8 }1 ?4 }' T& |) N - LDA #$802 p" b3 }& o# H
- STA Bullet_Direction,X; y# M9 I, S2 }7 I) {( b$ K
- RTS
$ w$ W" H8 O$ Z* j* ` - ' w) S5 D( C* _! c
- Bullet_Direction_Right_Down:4 d3 T! _4 K6 }" y, W5 [
- LDA #$25
' f6 z) ^8 k9 H8 w2 f+ ~3 \8 [. o( z - STA Bullet_Icon,X( ^" R# I& z& k% k" `
- LDA #$00 S: x* t7 ^1 _5 z4 e: I% k9 @
- STA Bullet_Direction,X( H( _0 z/ K0 X$ x* x" s
- RTS, m1 O/ K9 m. ]9 R# P' l
- * R7 C! D6 n+ U
- Bullet_Direction_H:+ H0 q; u! j; i" A0 ]: U8 h" b% r
- LDA #$24
5 f& w& [, Z% g$ l$ B - STA Bullet_Icon,X
0 I8 D& T' q" @- S - LDA #$00+ h8 T& j" { E. r: j
- STA Bullet_Direction,X/ @' g# S( a5 x6 b. B- W" ^3 C- V6 i
- RTS
3 C* y2 E- i8 J - ; a- t c/ g: i+ z. D5 i- I
- Bullet_Direction_V:
" L# [) L! q' Y; p4 d& N u% _( t - LDA #$23
# {! g) G) r% y [% Q4 L0 ` - STA Bullet_Icon,X! `- d$ P& T4 ]0 Z7 ^( j
- LDA #$00$ }2 s) c7 ?& g" a4 N
- STA Bullet_Direction,X; ^! w6 S! ~" ?$ D: U
- RTS
! ?3 l2 h* ^4 \% p }) F - 1 e5 k d4 _9 W; ~6 [7 [
- Bullet_Speed_Data_Ex:+ a% E2 T0 W+ Q; ]0 D: S
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
% ]- r9 l9 S% ?7 i2 k - ' a+ @# L/ t9 {" k) A
- Bullet_Speed_Data_Ex_R:/ @$ v/ O4 W$ B. `1 ]
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08$ M9 W& H, Y2 Z7 k
-
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