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[FC][魂斗罗][J][追踪弹]
6 H( C0 ~( L8 n: o$ C
) P$ T* B% P) P# g$ p$ `5 X; P9 g Q时间:2023.04.303 ?4 t- b5 F* Q/ u, e- g
作者:FlameCyclone
$ ~4 ?, w: [$ a3 T0 u8 }内容:: z3 D1 j: B. _( C: G
1. 所有子弹追踪敌人
- }* W% E i0 {: o. y7 T 2. 选择键切换武器# |: k. g% c- y/ I( 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5 U, ~! [3 _6 H
: a$ X- r* a6 ]( `& ^flamecyclone.ys168.com
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9 M3 K. W( P# F# m9 Q# E- X5 @+ {- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
+ a4 D3 M" f7 u - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
; t' M9 r' m% S' I) |) L: Y0 H0 M - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
% r" V6 f6 { h$ C
! q, c+ p* Z4 \3 Z4 {4 C- ;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)) d7 I* F; j" D* a8 F& l
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# h! `1 l+ B6 ^1 E" @ ]4 k - 7 H/ I2 E" q/ ?7 v$ [, q; C
- Track_Enemy_Index = $60007 s' M' x# l' X& y7 l8 O# j0 S2 y
- Enemy_Index_Begin = $6010
: A- x2 v8 {2 T- a, \ - Enemy_Index_End = $6011
" N$ C5 b$ N9 r; f - " \+ `9 h' ]6 e3 j
- Loop_Index_I = $6012% n- ]$ e. ]0 ^2 i
- Loop_Index_J = $6013
, P [3 G4 [4 u$ R! ^2 [9 t" J - nEnemyIndex = $60144 ]' A# U3 _9 O2 l3 k- H2 I
- Data_buffer = $6015
# q: q& h* E5 ]4 [6 B' G9 Q7 L - 8 `# b% f- C4 ?
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标; F3 T% {- A" o
- Bullet_X_Pos = $03C8 ;子弹水平坐标& x# ~$ [2 c& z) |7 t
- Bullet_Y_Speed = $03F8 ;子弹垂直速度. a) Y5 h; ]$ R
- Bullet_X_Speed = $0408 ;子弹水平速度9 t+ N0 ?3 [+ b5 P5 _1 f l* e
- Bullet_Z_Pos = $0418 ;子弹Z坐标
" x; }( K. T* w1 y! u" I - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P6 g" h( R+ w4 G4 v
5 _+ j1 W F1 t) {& v$ B- 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 z2 d. I1 Q* ~+ y
- Enemy_Blood = $0598 ;敌人血量2 t) G: s9 d& s7 U
- Enemy_Type_Addr = $0528 ;敌人类型3 V; c) m, e6 e/ Z- A8 R; z
- Enemy_Blood_Addr = $0578 ;敌人血量
" C. w$ u( O- _* n - Enemy_Y_Pos = $0324 ;敌人垂直坐标3 [8 T1 e& `2 E* C3 n1 ?5 ~9 r8 z8 J
- Enemy_X_Pos = $033E ;敌人水平坐标6 v& t% ]" Y3 c, B( P" @) o
- Enemy_Y_Speed = $04E8 ;敌人垂直速度7 h# M, U; C1 X0 ~, I" o6 R. O
- 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: ~9 `- R& B. r; t9 ]3 I
- 8 y4 p0 p: o, q9 ^6 f( Q
- Enemy_Index = $83 ;
/ Y9 p! X( |/ T7 R2 z1 ? - Time_Count = $1A
- H+ ?7 h! d( m. }8 ^/ Z, Q1 f% | - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
8 J; h" d! K% q8 U; d7 ?1 m4 c0 m a - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
! `* {3 e) A" A: k5 P - ; B' K/ Y0 k8 w9 l
3 S" ]6 {" j* o8 C, a: C, m8 a- .ORG $6100. y9 C( I+ }( |# K$ N
- Process_Begin:. L$ ~% m4 T1 q" p7 O' I1 s( J+ X
- JSR Enemy_Check
1 P* a! @1 D, P8 w0 P( l8 C - JSR Track_Enemy_Check
+ }" k' a( V8 W& a; E - Process_End:0 k/ P" g8 u8 Q5 r% M3 A3 f1 Q
- JMP $E54F/ B, d& `8 z9 x) q0 U5 {4 r; ^
6 s- ~* r) b7 ~* k- Enemy_Check:
- H- E3 V3 S' H - LDA Time_Count& [6 Y7 @7 ~! k8 U+ C
- AND #Track_Bullet_Speed
2 G c$ x/ c1 \9 z- } - CMP #Track_Bullet_Speed; X! m. d' }4 F7 w0 H; l( u) b
- BNE Enemy_Check_End# e: i( `9 e! [$ }
- LDX #$0F2 Q: A0 X5 N* D* I; H
- Enemy_Check_Begin:
' h& T9 S5 V | \; \4 f5 C# h - LDA Enemy_State,X* c( L% m* Q% q
- BEQ Enemy_Check_Continue0 y9 O* _4 ?3 M* v0 c5 ~: E
- STX Enemy_Index
^* w! c' M: v2 G8 G3 e - JSR Find_Begin_Enemy
5 \" e9 Q- y* g6 | - JSR Find_End_Enemy
^1 C1 o* D+ l. @3 q - JSR Bullet_Track1 z& t5 t! n" l" N6 G/ v7 t" B
- . D2 W# m) R3 O* i/ c
- LDX Enemy_Index
8 v2 {6 N7 Y* J& R+ U% o2 f - Enemy_Check_Continue:
0 h6 c4 ?" V& ~2 Z! i - DEX( l: }) @! M+ |* \8 U4 g
- BPL Enemy_Check_Begin
6 u# o1 R; x/ u1 _ - Enemy_Check_End:
8 o) ~) N4 Y1 a' o% O - RTS$ t; Z$ n4 _* L9 x* ]" Y: d
-
3 s6 X z: A- S. }# X3 W! A" ^ - Track_Enemy_Check:$ y* B* J% E3 K1 u
- LDA Time_Count- b: O. v9 y3 ~) q7 b' a5 a* F/ m
- AND #Track_Enemy_Speed/ q3 @% E$ m" m' l2 c
- CMP #Track_Enemy_Speed
( m0 [ f p; F2 W8 m% i0 w - BNE Track_Enemy_Check_End
: w2 a! `( `- G! ?6 [! H* [/ }+ v - LDX #$0F
9 n5 T8 [3 \; O5 d8 w8 R' O - Track_Enemy_Check_Begin:
/ a0 f* ~' q) B$ s; I - LDA Enemy_State,X+ w, J& n7 I; k5 h& A' Z
- BEQ Track_Enemy_Check_Continue
X% t) H2 H3 A) ^7 D - STX Enemy_Index w) \# V# F5 V2 s
- k7 m+ R5 N0 p* `- I
- LDA $40
/ e) Z- H+ G) I5 H0 Q - LSR; H8 Y8 s8 x4 ]7 y" l1 d. T3 O+ a
- BCC Track_Enemy_Check_Begin_L1
/ M! s3 \3 f1 |) a8 k) F - , s- Y# k" { P) m- M# b5 k& D
- JSR Track_Enemy_Ex ;2, 4
7 B( ^) M; ^) P2 H: {. H6 R- v - LDA #$00
1 y* Q6 p" O6 f - BEQ Track_Enemy_Check_Begin_L26 J1 @+ \6 Z! G
-
* ], @4 h5 s! C' D3 s - Track_Enemy_Check_Begin_L1:
+ A- k' G% S( S& I - # O5 `3 `) D( V G2 B% Z& O
- JSR Track_Enemy0 i+ h: |" c V
# O' c7 X# F9 S) S; r7 D1 Z- Track_Enemy_Check_Begin_L2:) r0 [7 D7 @- r6 J/ ~9 B& c( i( L3 j* K
-
8 h, I0 j1 ?. r! \4 l3 m - LDX Enemy_Index
( W' X( \8 W3 @, F - Track_Enemy_Check_Continue:5 h5 W7 K( j( G! ], P2 ?! P
- DEX
* E6 O' [$ g: b$ D2 X3 q% Y; X - BPL Track_Enemy_Check_Begin
8 P4 _ c4 y) u8 R( v* P - Track_Enemy_Check_End:
4 S8 F) N. @3 _& _8 p. ? - RTS8 \8 L4 y, Z" g& Z. y5 j$ I4 b
- . f" }% p* k! Y. ?$ P; _' ?8 A
- - {7 p; U1 ?7 u; v2 d
- ;查找第一个敌人
8 {: J% i5 O, t - Find_Begin_Enemy:0 B$ N# n: k; {' O) O
- LDX #$004 _1 h5 m* I# k* d9 g$ m2 ~3 `5 g; {
- Find_Begin_Enemy_Check:
@3 A5 A/ J: \" T# V - LDA Enemy_State,X
& j" w4 G, d% r) l: } - BEQ Find_Begin_Enemy_Check_Continue4 T: P. |) k1 m* w* L
- LDA Enemy_Blood,X% p, k" J5 b' R6 S# s! W
- BMI Find_Begin_Enemy_Check_Continue6 G q7 [5 n9 n' S' S/ i, J6 O
- BNE Find_Begin_Enemy_End) J$ m- p& ^, C+ D! w) X' h
- ' f7 X" N, ?% S7 ^: u
- Find_Begin_Enemy_Check_Continue:2 M8 ?6 Q: d- m+ h5 M( y+ w
- INX
- T6 i' C$ N- `2 f# B - CPX #$10
/ ?. ]( d( p K9 J- h - BCC Find_Begin_Enemy_Check1 W# r0 B" [# K3 s" z
- Find_Begin_Enemy_End:
* A" _$ e# {* \ - STX Enemy_Index_Begin) L" V/ a, ~7 c! s% a3 j+ Y/ Z9 G
- RTS
7 d; o( f+ `# K8 u - 8 g/ d& @/ P, e/ D& {
- ;查找最后一个敌人( S Y3 w3 |( k( L. z* d! N, _: G
- Find_End_Enemy:2 J- w/ x9 s9 J* ]* N4 x6 ~
- LDX #$0F
7 `. b- u6 n3 \ - Find_End_Enemy_Check:
9 Z+ `+ e9 G( u! N: `/ W - LDA Enemy_State,X2 f* r3 f) a8 ^& g! Z
- BEQ Find_End_Enemy_Check_Continue
/ P- c6 L; [" V- q9 a7 d" ` - LDA Enemy_Blood,X4 L+ G$ q1 C `/ u: n% y3 J
- BMI Find_End_Enemy_Check_Continue, Q: v" d# d1 @# P, L6 |- B: c* s& [
- BNE Find_End_Enemy_End
" n2 q% o3 u9 U* f - 1 ^' o1 i2 W7 W; c
- Find_End_Enemy_Check_Continue:
" x: f7 _7 y" U$ ^ - DEX
: B$ [2 E. A' e0 c: @% f, q# S/ c - BPL Find_End_Enemy_Check
; K, u' X3 y1 ^/ l9 y - Find_End_Enemy_End:
6 Z& F9 O; D8 k! a2 S - STX Enemy_Index_End# \5 O+ E1 n5 o
- RTS
2 C" \2 Z" u+ R5 i - / i2 Q x, k6 m; f2 ~" q
- ;子弹追踪
! B" F9 a/ T6 G# p& w - Bullet_Track:
& F0 U% K. P* @, ^ - LDA Enemy_Index_Begin9 d* g! t2 N8 \
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
- E* j3 l# T# u1 I. z - LDX #$00
7 O6 n0 }( L8 T - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
0 ?! \1 X, \" F$ k3 E4 K, y - LDA Bullet_State,X
$ x1 k( X& a4 g - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
" a5 J' R* p h; N! E4 P2 r# u0 j/ T* G - STX Loop_Index_I: E" ?( X6 V3 D: C! M$ j* m; g
-
8 S. t" P- K! n( U6 B$ _* w - JSR Bullet_Track_Enemy9 y g4 ?# w* t4 B* k6 U! s8 T: h; n
- JSR Bullet_Tract_Direction
- }1 L7 g: S0 E1 ~6 G -
( K( H0 u- x/ _. U1 n# f$ @ - ;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0 t- {7 Q6 r u. x8 A: E: x
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;) o* U6 {- \) t4 P; H, [
- LDA nEnemyIndex
# z" j+ ~ \1 E0 n; l# R - CMP Enemy_Index_End1 b8 r- G9 c. W3 n
- BEQ Bullet_Track_Check_Continue+ s" P6 i, j8 K) z! z, B* V
- BCC Bullet_Track_Check_Continue
% z. {1 F/ o+ J# ~4 l1 ~4 e - LDA Enemy_Index_Begin
( F, \6 G! B8 J# A9 ]! q - STA nEnemyIndex5 s: i/ a6 E) R h
- ! y9 X9 i) x; \) O7 v
- Bullet_Track_Check_Continue:! m& r0 X$ J$ ~- T
- LDX Loop_Index_I1 j$ l: t5 J" X6 L! y: ~
- Bullet_Track_Check_End:$ e1 g+ o5 J* p. ~& n7 p2 r
- INX
. P- i8 S2 H T5 q7 R - CPX #$10% [) ]' l% c6 t* N" I2 z
- BCC Bullet_Track_Check
+ [4 }- {5 L" ]! |- M - Bullet_Track_End:, E, X \ e- Y; Z: N
- RTS, ?+ X7 w- k1 ?
-
' S% H, _ e. k3 j* [2 Y7 c - ;给敌人分配子弹- ?4 W3 g J4 B% v$ m( u4 y" r
- Bullet_Track_Enemy:$ ~' c4 X1 }5 w5 J
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)4 y8 j2 N& [ |5 L' f
- Bullet_Track_Enemy_Check:
! f) D v+ P/ G1 v. s - STX Loop_Index_J
- ?8 V& |! C5 \3 ^0 z -
, H1 e# H1 `! J. D5 Q% m - ;if (0 != nEnemy[j] && -1 == nTrack[i])
) v+ D0 `8 |8 M3 B+ d - LDA Enemy_State,X
' N8 w2 ~6 l0 ]6 |& H" m3 X - BEQ Bullet_Track_Enemy_Check_Continue
1 @$ x/ ] |3 i O. ~8 X {- _6 B - LDA Enemy_Blood,X
( f1 U! {5 Y6 ]9 u5 o6 y - BMI Bullet_Track_Enemy_Check_Continue
0 `: i, s; ~# Z# h7 v8 z4 M/ H - 0 A( \+ y3 c3 l t A' K: l6 C! l
- LDX Loop_Index_I
2 p% X6 q8 C2 S" C9 ? d - LDA Track_Enemy_Index,X4 N" D; c S+ s4 b5 b
- CMP #$FF* z% @0 v& t5 p% |) \. R6 ]
- BEQ Bullet_Track_Enemy_Init. d. l6 y0 |! g% d
-
& j7 S6 x, h: r3 H - Bullet_Track_Enemy_Init:
5 m" [: \! h& F& e) N# B - LDA Loop_Index_J
/ n9 W H. L* }8 h0 t. E" h - STA Track_Enemy_Index,X ;nTrack[i] = j;
1 d$ g: Y; H. F) c1 \: s - ) r4 W: n- {3 C: p6 W- E
- STA nEnemyIndex
1 K; F3 ]- D/ ^, i% a8 J) `7 n9 b - INC nEnemyIndex ;nEnemyIndex = j + 1;
: f% `/ B* i+ O7 ?# `2 D - RTS ;break;9 R# M: Z& r! e+ J
6 F% }8 A; H" O% s- Bullet_Track_Enemy_Check_Continue:- v6 J7 K2 l2 T2 U9 V
- LDX Loop_Index_J
, i* Q: P/ U' c3 A/ V - INX ;j++% y5 o' m4 j' `0 O1 P, m$ y3 ^
- CPX Enemy_Index_End( U/ C; E1 w4 t: |& p! i/ f
- BEQ Bullet_Track_Enemy_Check! K1 f M% W8 g! q$ a
- BCC Bullet_Track_Enemy_Check+ [& c8 `8 p0 { ?8 O) o
- Bullet_Track_Enemy_End:9 c8 K0 J8 l- k* h8 O
- RTS
* w! U- c k9 A
- s. e, }. e) S% t J- Track_Enemy:3 L- P9 M' N. k, @1 f+ V9 g7 s
- LDX #$0F
" t5 M1 G" l7 \- R - Track_Enemy_Begin:
; f7 P" k& k0 c6 \3 e - LDA Bullet_Icon,X
4 v1 o$ r6 G" \* O2 ]0 T - BEQ Track_Enemy_Continue) A; u) ~" H) F7 h; G
- LDA Bullet_State,X& n% h0 O) Y9 h$ i" B1 n
- CMP #$01/ A1 Y4 P! F. t. K
- BNE Track_Enemy_Continue
3 O1 [$ `) w" `, U3 m A -
0 @- R( h1 `3 e! Y( F2 H; L- N, H5 D- R - JSR Track_Enemy_Process
! Q+ z8 c- I% r8 C, C - - X. Y/ g' T4 `7 s
- Track_Enemy_Continue:
7 z. e7 S) A5 ?, M. o1 g - DEX
0 f/ v* |3 B( ^; \! f - BPL Track_Enemy_Begin
! o- t6 k0 T$ K: Z - RTS
( a; q: ?6 F/ M9 H- g0 D# j! Z0 z
5 C' Q/ ^9 B1 T0 c- ;普通关卡1 e! U7 X, b3 Y: f2 K5 F& d
- Track_Enemy_Process:
5 c- L* I6 ~# d% a8 ` - LDA Track_Enemy_Index,X1 }. R8 W9 r6 l/ u. G9 W
- CMP Enemy_Index
b( x; ?5 C) t - BNE Track_Enemy_End$ }0 r7 S" l: K0 y
- LDY Enemy_Index
0 \" [4 l0 ~* m1 z - JSR Track_Enemy_Y
3 D+ d8 d P7 S9 _( j - LDY Enemy_Index
; ^9 s8 N0 O; x' A0 P" H - JSR Track_Enemy_X
7 g/ v/ {, @/ B1 D) B# x - Track_Enemy_End:- e$ i6 \; V+ D0 a- ]# q* p
- RTS
- ~- `- b$ _6 U: h( t3 f - 7 U2 f1 S/ O4 v M
- Track_Enemy_Y:9 O7 K7 o% {3 h R
- SEC
% e+ B( p7 b+ d - LDA Bullet_Y_Pos,X1 ?: A' m7 ^& w" }7 Q& i7 G! F8 a
- SBC Enemy_Y_Pos,Y3 j$ _& F" L$ P$ e
- BEQ Track_Enemy_Y_Equal: e, A. v1 V" [3 ]1 z1 r
- BCS Track_Enemy_Y_Greater
1 [4 c" `5 G& X8 p5 S - 3 U w8 o" t7 d
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
1 j5 k* D5 C0 @, Q2 Z - CMP #$FC
% D0 C/ j+ J: s - BCC L1_1! F) Y$ u0 C0 u0 B; p$ H
- CMP #$FE
( k) i. F0 W9 ~+ Y - BCC L1_2* j, a- N& V# Z) Q
- LDA #$00
( J& u+ r7 [5 k8 H+ z; r2 d3 u - STA Bullet_Y_Speed,X
* z& m9 [) @( W# A6 k R - RTS
* M4 G& A9 C: ]1 t1 f - L1_1: - r' y4 m& m. d& E
- LDA Bullet_Type,X
9 q( L) E. l3 M9 A - AND #$0F9 R- m+ {/ O. A! D
- TAY! w0 k# \+ o7 s f8 T9 S
- LDA Bullet_Speed_Data,Y) e- }2 s4 g3 m* I, A q; g8 q+ S! N
- STA Bullet_Y_Speed,X
7 Y: a, V5 y& Y4 v* p - RTS
1 [& @( c. Z! |/ L8 p
% Q8 s+ v, b. |! L8 S9 t- L1_2: ! H9 d0 I: x* g
- STA Data_buffer
) O6 Q0 B2 m/ I, H7 h1 F - LDA #$00
" L9 M5 ~7 J- \1 p) W% ?! n8 | - STA Data_buffer$ H5 ^. z' ]7 \+ }" W$ L
- LSR1 }: E. v, v- A) O* P6 C; b. ]% t4 v
- STA Bullet_Y_Speed,X
; ]$ U5 R8 Q/ ?1 l1 F% N; q7 a1 S - RTS7 w/ X, f1 s7 y3 \ |4 z' l
- 2 O& o$ e: r* m- E7 @) t+ M3 ]! {
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
8 L2 U% ?' g7 P4 K0 ` }- a - CMP #$043 \! [% J% y6 [
- BCS L2_1
- @9 T. y- U4 V5 Y4 e - CMP #$04- M$ W/ j- ~1 Z9 G3 y4 N
- BCS L2_2' g* A5 P5 _/ i, t/ [) _
- LDA #$00
* h* V5 q9 h( _3 O4 S - STA Bullet_Y_Speed,X
9 R; y$ J; r) m9 ]! s9 ^) d - RTS
. [8 J! b+ N% P1 [4 C - ( F. D# f1 }8 O" D
- L2_1:
/ s/ ?* |; R: `1 z( S; C - LDA Bullet_Type,X
0 G6 N( D+ P! V2 S1 p+ o) x - AND #$0F! s& E/ L* ?4 ?; `( ~
- TAY" Z8 B/ x& j/ X8 P
- LDA #$00
! Q. P* p, b$ g) d( Q: J% l) b - SBC Bullet_Speed_Data,Y6 x4 v9 ~0 X) x# E
- STA Bullet_Y_Speed,X
0 b% @: w3 f- e2 c0 d, m j+ U+ @ - RTS( u# l" Z/ ^& Z8 t
- 5 ]' o/ V$ B' A4 r- U& v' \) P
- L2_2:; A; H; F7 ^$ [& B
- LSR. R/ f( f/ U. [" p0 G0 z; |
- STA Data_buffer4 E/ h6 g- V" }' c" e
- LDA #$00
- o/ R5 I" |+ q& O) V+ j - SBC Data_buffer- Y# s ?8 t4 [8 @7 e( k& K
- STA Bullet_Y_Speed,X
. r9 w( Y+ v% i) ^! Q: K - RTS7 P8 g: ?3 z( }
-
# f- _% `2 O _1 c* l - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y* i. |: z& [7 z
- LDA #$00
% Y- v' l, v" u# K- r; `; { - STA Bullet_Y_Speed,X
S+ q+ l8 F2 U7 v; Z G8 B - RTS
8 M) H7 ~! K$ v, J) | -
. k+ d0 q, q/ I9 Q7 Z4 _6 [2 R - Track_Enemy_X:. \2 ?3 J( Z5 i7 {( @
- SEC4 f4 P. ~& w- Q; \# F1 K4 P
- LDA Bullet_X_Pos,X6 k7 ]' u- _* m
- SBC Enemy_X_Pos,Y
, t: a/ O6 v4 S - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X: J- W% v$ P4 d- e' M9 G( f7 _
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
& P: [0 B4 e' w3 F# i5 [* X -
$ K; B6 A& ?3 V - Track_Enemy_X_Less: ;子弹X < 敌人X; p$ B! z. n2 M* {
- CMP #$FC
! `4 Z3 Y; m" D, A8 A - BCC L3_1& ^* K6 {. b5 `4 Q# A& H4 g" ?
- CMP #$FE
& e/ f2 e! s7 C - BCC L3_2
2 V, w% u! n3 g/ y7 M7 M - LDA #$009 e4 B0 f# A7 n* v
- STA Bullet_X_Speed,X9 A& b# t/ ?/ e$ S
- RTS
3 j' x( s' P1 ?* S - L3_1: + _4 B. R7 U+ ?( r" o
- LDA Bullet_Type,X
5 h) A5 f3 H+ q5 G+ ^! T - AND #$0F7 n2 l. s* I' `# D" K E
- TAY
% \6 C# J7 t- W& A( V - LDA Bullet_Speed_Data,Y( O( P% O/ p/ [6 @
- STA Bullet_X_Speed,X
! {& Q& y; r& h: F - RTS
( Z1 B3 A' {& G u# S0 \ - L3_2:
+ v* t& G7 z% H. M, i - STA Data_buffer+ ~; |6 k: i Q5 L
- LDA #$00
- _# A H7 R) g - STA Data_buffer4 L% q! S& P J
- LSR
. f. y J# P* ^' m - STA Bullet_X_Speed,X5 k3 B+ z& q- Y& Y# B6 |
- RTS3 P3 E1 o% A" T* z( H
- ) `; G% I9 v" `) _, H |3 S
- Track_Enemy_X_Greater: ;子弹X > 敌人X [2 G4 \" G6 O* F w: ?' v
- CMP #$04
% E7 `% G& l; u' v7 k# I - BCS L4_12 [9 e; X! I% l. Z5 Y; b/ _
- CMP #$02
2 d6 ~& ^8 [1 Y - BCS L4_2
, q& x5 v; J+ q. o( S - LDA #$00
1 i; Q$ g/ M7 Y( _, G - STA Bullet_X_Speed,X8 ]' r! R$ R4 i) B3 z! {
- RTS
* \; }# R- z' ^$ _7 p. B7 Z - , `! k% |: G7 `, v+ w% g" [
- L4_1: ) I/ a4 I. O( a! q) S; D+ z" y: P
- LDA Bullet_Type,X
7 C6 N" r% _4 M( J - AND #$0F
5 D( E1 T0 D( n( o - TAY
; Y. L! D4 _+ P - LDA #$00( }" \4 E( P0 ^7 L5 e
- SBC Bullet_Speed_Data,Y& u3 [6 l# P: x l: w
- STA Bullet_X_Speed,X. h; P7 m! p8 h) b6 G5 a
- RTS% H$ Z& Y" i- D$ Q, `
- L4_2: ( |# H$ U& u6 T6 H
- LSR
9 a2 s8 d4 S) z - STA Data_buffer
! {; U( o0 [4 D; |* d - LDA #$00) p( J* ~! U; F0 ^/ b# X- G" x. h( j
- SBC Data_buffer
( G- ^9 x* T( c+ p - STA Bullet_X_Speed,X
! a3 X! n6 r/ l8 ^ - RTS
% }' h* O& S5 h! a& L1 ?. D -
# m( R' g c Z - Track_Enemy_X_Equal: ;子弹X == 敌人X
: O1 o" c9 p& ^' g w" T - LDA #$00
& g+ p6 z) B2 \) K - STA Bullet_X_Speed,X
) \( m& X5 b- S) h0 I" K, _2 z - RTS- H; [- w/ D1 g" E9 k$ Y: ?" ]0 l4 D
-
# K* g, m! h! i - Bullet_Speed_Data:1 K1 n+ K+ [- W. F
- .DB $00,$03,$03,$02,$03,$03) |& u5 v; n3 h! I! @% G B- n, n
-
& F3 y1 x* _# v! T) f - ;2, 4关; ?7 Q0 s" ?2 I, ?- V/ w$ S6 Y! f7 F
- Track_Enemy_Ex:* L4 M' g. `( y1 u! C3 V
- LDX #$0F
. n, U& ~) |* c+ H9 J - Track_Enemy_Ex_Begin:: V8 V: z% @1 |
, q/ U( v4 z0 }# W- LDA Bullet_State,X
* b, G' i- I7 Z - CMP #$01. h1 Q) Y9 Y! q
- BNE Track_Enemy_Ex_Continue2 ?1 e/ |% I; S1 O7 h8 e
- 4 w9 k* M6 h) h6 e% V9 c, E6 H
- LDA Track_Enemy_Index,X
c: g( {+ \ i/ D( ~ - CMP Enemy_Index
! T$ G; h/ y, v1 @ E7 S. j) i - BNE Track_Enemy_Ex_Continue ;匹配追踪目标2 C0 ~# F+ _8 Q9 p
-
1 v3 u9 x8 x$ {% ` - LDY Enemy_Index
5 q- {4 y" t5 t8 K0 l - JSR Track_Enemy_Ex_X' y! t2 X$ K' `% h. V0 c/ H2 X
- : N9 h( w, t+ z; s- w9 R
- Track_Enemy_Ex_Continue:% [) i; _4 I/ _" f. X% ^
- DEX
9 x( N" E- p% E4 d& O; h - BPL Track_Enemy_Ex_Begin
$ y: J W' u8 |3 a; u1 E - Track_Enemy_Ex_End:/ z2 I/ P3 u# N- Z* A- Q
- RTS& s: {1 O& V( u* }
-
8 ^3 o; G- _# M3 a' D - Track_Enemy_Ex_X:/ E+ q" i2 L9 C* f2 m
- ;LDA Bullet_Z_Pos,X
* _2 p! b+ m/ \$ q, K# C0 q8 { - ;CMP #$04" L. U k( f+ ?/ s( P
- ;BCC Track_Enemy_Ex_X_End/ l! U1 {/ d+ j' B; h) I% T
- SEC
0 r/ ? L8 i6 o6 a4 S% E - LDA Bullet_X_Pos,X
! |7 n' J1 o% V: s8 P - SBC Enemy_X_Pos,Y
) @. M9 h/ I/ [" S - BCS Track_Enemy_Ex_X_Greater
2 p6 X+ U& ], D T ~) j6 G% x8 U - R' g1 n8 Z. b" x$ o$ n- f
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X' K2 f" C- }) ~; S5 Q% L6 Y8 H# A
- CMP #$FD& R4 L7 O% D+ a; m: z1 j# ?
- BCS Track_Enemy_Ex_X_Less_End! w9 ?6 Q9 q0 k) T. Y
- LDA $6020,X8 n' w: W0 w' S! {5 {: P! K7 U
- CMP #$2A& {! t- V9 X+ H: p
- BEQ Track_Enemy_Ex_X_Less_L1
% a: r! Q+ U6 j% c& X - LDA Bullet_Z_Pos,X
5 t& ^" p- Z& N- O& o4 a - LSR% \/ a9 m4 G W% @# g
- TAY
& V7 Z. s# O% s9 D% p( [2 u: v - LDA Bullet_Speed_Data_Ex_R,Y% D( x( n3 }- l9 S
- STA Bullet_X_Speed,X# I, c/ T' e6 B' j+ N2 ~- w4 ^
- RTS8 M& W$ v9 E, U& O. N5 `* m# a) `
- Track_Enemy_Ex_X_Less_L1:3 t- O8 z' t9 Q
4 N, P f2 r, ?- LDA Bullet_Z_Pos,X
) b1 \" w, q& x& g: I' n# g - LSR' f/ B" I4 a% H+ x" W. [; v
- LSR
& o U, ^ \6 z2 u7 N - TAY, R) d/ {+ x- }% |: A& p1 K
- LDA Bullet_Speed_Data_Ex,Y( m8 q1 n6 h5 ]) m/ r
- STA Bullet_X_Speed,X5 \. m/ E1 i5 g! _. @/ L
- RTS
. ^5 _: }- ?0 m* h - , o' a4 }. ^1 i/ f3 O+ p
- Track_Enemy_Ex_X_Less_End:4 \9 _5 w) ?+ k1 ~$ T/ h$ p% u
- RTS
, n- D' x8 l5 g* m
6 R! ~9 A5 T! _4 ?- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X9 _# F$ f9 D/ V- k: ?4 I
- CMP #$03* l% F7 M9 i5 N+ n7 j4 c
- BCC Track_Enemy_Ex_X_End
- b2 e2 Y* q, f9 S- n - LDA $6020,X0 j3 j! G3 j# X# I+ G% @6 k |/ K
- CMP #$2A7 P7 M) D7 ]( H/ L) [6 W0 N0 m
- BEQ Track_Enemy_Ex_X_Greater_L1+ r8 p" j2 z, n, u' q
- LDA Bullet_Z_Pos,X8 l8 R+ ~, Q a% p
- LSR9 H5 n, E8 v, C$ a3 Y
- TAY3 J& P, D. B0 q( M; F% X- J
- LDA #$000 L5 L. V, b% ^ }
- SEC
1 X* ?' F) h4 x6 @* D% A4 | - SBC Bullet_Speed_Data_Ex_R,Y7 r+ U! T. D# y! V$ f8 G
- STA Bullet_X_Speed,X
& K/ X( O3 D1 ~' a$ v+ t& I - RTS
& h- h. M) y0 L - . J, m( E3 f. g9 B" Y
- Track_Enemy_Ex_X_Greater_L1! n! \' Q& l9 C6 Z9 V
- LDA Bullet_Z_Pos,X
8 A) @3 J# ?! d7 U( M" G- v+ G - LSR
5 N( r% R! }# H* { - LSR
% ]8 x/ t) s9 d* @" M* r - TAY1 |2 Z3 I+ `& @ }
- LDA #$00
/ V$ q" E. y8 e: M - SEC+ L \' n) q& @3 Z" m! }5 _) Y
- SBC Bullet_Speed_Data_Ex,Y0 a* @5 i) q2 R6 g
- STA Bullet_X_Speed,X2 X+ Z0 `/ M1 A
- RTS' ~3 d: P% q$ ^ t/ a2 n: j9 j
-
( m4 `) G& P0 N' ~ - Track_Enemy_Ex_X_End:' W7 c- J" Y; e& e1 m) e
- RTS
! U/ j- q9 t$ M - 1 ~, E5 H8 t: z( P( f( J; ]7 D
- ;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)
' G% ]2 L4 Z* G4 f! d) X2 s% n - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
3 U. @2 @3 X3 i( A7 A - Bullet_Tract_Direction:' ?9 I& ^1 g: X/ F, v* Q
- LDA Bullet_Icon,X% W8 g( [$ x: ^" Y% L: c" F; N- }
- CMP #$233 n/ I. w! J- R ?4 k1 |) q, S: `
- BCC Bullet_Tract_Direction_End
9 u9 j+ {0 \& i3 q, Y" z -
8 a A P( C" H0 I" r/ J2 D, ^ - ; X != 0. d" B! ^( ]( V$ O$ b% }& ?: x% R7 ~
- LDA Bullet_X_Speed,X
/ ?8 C6 w0 O( W' e, g+ @ - BEQ Bullet_Direction_V/ Q9 z% k: P& a% U1 g
-
6 n0 a/ X. ~! \' ?- s - LDA Bullet_Y_Speed,X8 g2 x: U/ O3 }( L
- BEQ Bullet_Direction_H
% e8 J4 ^+ ?6 P4 F! H+ U; ] -
, s$ ^8 C3 `6 G4 ~3 n J7 \ - LDA Bullet_X_Speed,X
& Z0 J% M# T$ l% ^$ @- h - BPL Bullet_Tract_Direction_Right
" I" b) z3 U' O7 _5 b+ R - Bullet_Tract_Direction_Left:
- k; B) l9 b7 R8 _. q8 F% c - LDA Bullet_Y_Speed,X% e, k& o7 q. S; n9 i- S5 [" y
- BMI Bullet_Direction_Left_Top: u. j( |1 ~+ s$ F2 K; W: u
- BPL Bullet_Direction_Left_Down
% _6 f# _3 |' r$ f; Q I: I7 P) J9 W - Bullet_Tract_Direction_Right:' v! A z" `3 K W \
- LDA Bullet_Y_Speed,X! v& m) _2 d5 C! C# r/ d' O ?
- BMI Bullet_Direction_Right_Top3 B X: i6 z- o- r+ z
- BPL Bullet_Direction_Right_Down, b6 f6 T% Q8 l& V' V
- Bullet_Tract_Direction_End:( P' x* d/ ~4 U6 ?9 n$ Y
- RTS/ ^! P$ P7 u6 k+ F7 @+ B' z$ b
- - n) l7 c \% ?$ a) P
- Bullet_Direction_Left_Top:* m5 M/ }! ]1 q% }* `
- LDA #$25
# B c3 A4 ^7 o# U. y4 n - STA Bullet_Icon,X. \7 Q( ?* C+ m9 D
- LDA #$C0
/ o7 i# l: i# }7 S, l6 h - STA Bullet_Direction,X
$ v4 }+ }! S, ~9 h: [! X/ X& R - RTS V ^1 r+ q1 R5 ]/ L& S
- " D1 e3 p! u0 ^( Y: S
- Bullet_Direction_Left_Down:3 o/ M5 D! t- k7 P% ? m, O. U
- LDA #$25
7 a# E/ W7 l$ u - STA Bullet_Icon,X
6 }. t# |- p& }9 P7 W - LDA #$40 N1 q3 _! a/ h6 f$ l9 x% o
- STA Bullet_Direction,X
8 f8 `: p! m& y - RTS7 G7 G8 V- R( w9 E8 [
+ B, H' }8 G8 b. D, X- ^0 b7 d- Bullet_Direction_Right_Top:
% I2 v& b7 U) H5 P* E - LDA #$25
- C5 t7 {; N! ~+ Z/ j1 n( @ - STA Bullet_Icon,X
% O. m" V# ]4 Y1 M7 _0 a% e" m9 X) s - LDA #$80% M. W! {8 r% U; c% y
- STA Bullet_Direction,X
! s8 a+ w# E4 m+ L - RTS! f( c$ t% O5 E* Q& T" U
) h; A8 f' B; e9 t/ t* r- Bullet_Direction_Right_Down:
% V4 v7 Q/ \- }( ^: I1 ` - LDA #$25
% ^# s) I: w' e1 I% r5 o- N - STA Bullet_Icon,X
9 B- {" L: S: \# L - LDA #$009 f, D" U, N8 K# a5 G- L
- STA Bullet_Direction,X1 a! Z4 S2 l( z9 Q0 ^4 {* l
- RTS3 J2 Z* F% Z4 Z1 w* K. S0 t
- ( Q3 [( \3 F8 ` ^+ Q
- Bullet_Direction_H:6 q K- b( f, d- H# L+ e9 \
- LDA #$24. R( Q9 h% S, N( ~
- STA Bullet_Icon,X
' L0 ?( _+ u* r9 X: ?/ O - LDA #$00
2 \. O9 k) q2 \2 }/ o% \ - STA Bullet_Direction,X
8 j! Y6 ~5 p. l5 H" O* C" {: H - RTS7 F- l: D$ f; F+ O8 R
: v# \' X, h7 g6 s* o+ O" K6 i- Bullet_Direction_V:* _! Y' w* R5 Z. |* B
- LDA #$23
9 [1 O8 G/ P6 G2 x; D6 m - STA Bullet_Icon,X
# ]3 Y- T6 A+ S# u" K' X - LDA #$002 i; j$ f" j. [# D$ R s' X( A
- STA Bullet_Direction,X
5 a i- }; Z H. x) m1 Z - RTS
' z" a% H* ~! x3 s - ' [+ Y/ [* \7 d. u
- Bullet_Speed_Data_Ex:
8 s6 [( V `3 C4 u - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
; w4 P7 y+ @5 ~ -
b# i1 u ]9 Q( f - Bullet_Speed_Data_Ex_R:" B; H/ j1 `9 A8 e( Q, ]! W
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
: j! E5 ~6 u- ~8 u' q6 g$ ] -
复制代码 ! d9 [( h7 z! x/ Z# k
4 c; K; y' [9 p6 D; R% t! _6 j
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