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[FC][魂斗罗][J][追踪弹]/ S' Y0 [3 Z- _8 J8 t- l$ ~+ y& x
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时间:2023.04.304 x! R" d/ T5 T- m. y! Q! p5 K; g4 o
作者:FlameCyclone
6 d: @ e0 U+ r内容:% U1 N; G5 e% s v! S' ]+ s& ~
1. 所有子弹追踪敌人" l' E2 f4 H1 z9 n* |
2. 选择键切换武器
" K" Q( W/ j+ V% x6 t9 ` w5 j 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) N4 {/ F) e0 h- M
* j" J3 l5 _! `: y- Y% Nflamecyclone.ys168.com
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2 q7 \0 g' X8 G/ O% A- L- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁& `5 x Q1 @9 x% r
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
, q+ P I- Q6 W% F' ^* M% S, g - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
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$ O+ u" `+ v$ X9 k- ;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 p7 ^/ i; e4 _
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上: }; j! i7 B* U/ F
- 0 J0 T3 J( J5 i+ p4 E
- Track_Enemy_Index = $6000
2 c; U/ e. { F: V; ` - Enemy_Index_Begin = $6010! i, D8 i" a6 W: ]- D
- Enemy_Index_End = $6011) D, ?% j( x( e5 W# `( c
/ ~! l' h7 v( {& w. h1 U4 A; g6 x- Loop_Index_I = $6012! G. A- V% s2 F
- Loop_Index_J = $6013
: W9 ^: q! v$ [5 e0 A5 x - nEnemyIndex = $6014
+ X+ U' ^) ]% R( w - Data_buffer = $6015
, G, q/ v7 U" X$ O) m - " S- S5 k- @5 @" {* r1 c U
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
1 n1 |+ w; F' @) F& s7 I# d5 } - Bullet_X_Pos = $03C8 ;子弹水平坐标' P5 b" \4 d6 S0 V
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
6 `! C9 X; j3 b( B$ @) f: m; e - Bullet_X_Speed = $0408 ;子弹水平速度
# Z2 T9 `4 n7 Q" w' V6 D9 ]7 A% I - Bullet_Z_Pos = $0418 ;子弹Z坐标
4 _. p9 U% s' A& L& X9 s - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
& h; d9 Q: b$ ^& P* H - + R. d6 h9 x) n# ~) |9 v
- 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! C2 \( f# l- j# ?% M - Enemy_Blood = $0598 ;敌人血量
, Y- ^, J0 L' U. J - Enemy_Type_Addr = $0528 ;敌人类型0 I& ~2 n: h$ J: B/ K2 k- B, j
- Enemy_Blood_Addr = $0578 ;敌人血量4 P& `/ y% Q$ R& g: P2 f
- Enemy_Y_Pos = $0324 ;敌人垂直坐标- p U5 T7 g5 h7 \, w0 L
- Enemy_X_Pos = $033E ;敌人水平坐标
* V+ S9 G& M- U0 h, G9 s - Enemy_Y_Speed = $04E8 ;敌人垂直速度" e, ~3 ^0 `+ @) i5 q' M
- 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
& y' }! y; O9 ~% R7 h - ) _# |0 k& X. b
- Enemy_Index = $83 ;- j& V6 U0 P3 V! W# q( H4 A
- Time_Count = $1A) _8 b8 T2 i' u
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率; E* p% B8 Y5 t4 G% _1 s" j
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率5 Y( C) C- H+ q/ p$ V
- ' F1 Y/ g/ o3 @9 }4 f4 g
. T3 A( R" C2 S# I D- i* S3 @0 L- .ORG $6100
% I$ H* q" h1 C) G. K& C - Process_Begin:1 h1 c, ^3 I1 \
- JSR Enemy_Check1 ?( ]9 g4 P; W# n: ^- A
- JSR Track_Enemy_Check
( V5 t( ~- K; e7 w, A. F, w - Process_End:
6 S7 _& X/ V' ^3 x( l# ^4 R9 _ - JMP $E54F
& a3 I1 p0 l1 l' ^ - 9 j: n8 R- Z# D! U# `
- Enemy_Check:
4 ~6 y ^2 ~9 g4 M7 x - LDA Time_Count, [' y" q: V" T* u
- AND #Track_Bullet_Speed
/ `8 L4 {# d6 h- ^ - CMP #Track_Bullet_Speed
: m/ |' T: U! `* @# t - BNE Enemy_Check_End. q* Y3 i% Y; { e4 W
- LDX #$0F; m3 p" o, ^5 P0 O* L& A
- Enemy_Check_Begin:
& B7 i- R4 _+ r. n3 ] L( K6 W - LDA Enemy_State,X; f( b1 M+ A0 A9 f/ }5 E& w# V
- BEQ Enemy_Check_Continue; P7 P7 ^. a( x G, S" y
- STX Enemy_Index* Q3 \6 |6 t+ f7 |- j
- JSR Find_Begin_Enemy& F* C5 Q/ {% ^0 e* U8 n: u* V
- JSR Find_End_Enemy0 ~$ l k9 D% J P( y
- JSR Bullet_Track5 t+ u4 @2 j6 @( v y: F6 A
- . [ t3 ?) I- n7 L+ V
- LDX Enemy_Index
: [! a% ^! T( ~ - Enemy_Check_Continue:
7 A9 n) {- q3 H) X, F b - DEX* g _1 w2 b( A9 G, v: G
- BPL Enemy_Check_Begin/ b/ l! L7 a, H$ ^2 W' ?0 q
- Enemy_Check_End:
- @% D) l0 f; |. \# z - RTS5 r5 T- d8 Y5 s: v! {8 a
- 8 v* n+ B; u9 Y' v7 f6 K" I. G4 m0 v
- Track_Enemy_Check:% S; W2 L' ?: }3 P$ a/ o7 @/ W
- LDA Time_Count& l5 z2 c0 _& [' b7 T! e# }
- AND #Track_Enemy_Speed+ s3 o2 d- J5 k$ y* x
- CMP #Track_Enemy_Speed
0 c0 X3 Q$ F2 \3 D9 I# D - BNE Track_Enemy_Check_End) L1 O+ B6 r' n+ o% f) [
- LDX #$0F
/ T+ b u+ S. o - Track_Enemy_Check_Begin:
( V0 _ m2 X2 e9 F9 q - LDA Enemy_State,X
: |; U, I+ g1 o$ G8 {, [ - BEQ Track_Enemy_Check_Continue0 a7 i: F% n7 \3 P; E7 z
- STX Enemy_Index
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! X* C' j2 Q$ ?$ Z( E - LDA $40
m4 M: ^' M2 H: V - LSR: Y+ N0 [2 A( l( r6 w0 s5 [
- BCC Track_Enemy_Check_Begin_L1
7 q/ M/ X8 P1 s$ v! P; b2 N -
" B5 y" V; G( r& U - JSR Track_Enemy_Ex ;2, 4& g5 c3 n6 `/ N/ ~7 U3 x
- LDA #$00
& K" I" }; K9 b+ d - BEQ Track_Enemy_Check_Begin_L2
2 Z& Z* V" \- k% L+ i* t4 | -
0 Z1 M. `! n" k. Y4 ?, X$ A - Track_Enemy_Check_Begin_L1:$ h8 M0 E7 a/ q/ J' I
-
! z: q8 @/ v! R4 j - JSR Track_Enemy1 U+ v% m* D/ v, J
- f9 u9 w6 W$ q/ k- Track_Enemy_Check_Begin_L2: H6 e" ]3 L( ^: F) i2 I
- ; t4 j! i) ^0 t; ^3 s$ T9 h% M
- LDX Enemy_Index
- \7 H2 a X9 R0 Y - Track_Enemy_Check_Continue:
# \9 [" @* y- O( E- y# E3 D( w; I - DEX% u+ ~/ x" t5 W9 ~2 j5 z( l
- BPL Track_Enemy_Check_Begin# L5 k8 J" J0 E9 Q! @2 a, M
- Track_Enemy_Check_End:& b7 K; ~: J g
- RTS
& G; p; U; \" ^) E; D8 A( Y2 T' Y3 p - 4 D4 C: P0 k7 _1 a) w1 t' h6 u6 m
- F8 K D, G. ~- ;查找第一个敌人
' t" R* L: I: P$ x1 u0 _5 z, A- r - Find_Begin_Enemy:$ G( i# f5 k; n" |- }* O& E
- LDX #$00& E& U! {) a: ]- j! o
- Find_Begin_Enemy_Check:
8 J" L4 Z- k' _/ Z- `- J- f @7 A. z - LDA Enemy_State,X
# B% d. z- z9 k) y7 P) x - BEQ Find_Begin_Enemy_Check_Continue$ ]& a+ X. s3 V( Z2 X/ M. J
- LDA Enemy_Blood,X/ k$ \ E3 a9 q+ T8 M
- BMI Find_Begin_Enemy_Check_Continue
7 [# e: I$ }/ l+ ^# ?7 d - BNE Find_Begin_Enemy_End. L# {2 l) L/ a1 U- H; [
- : }2 J( r) F$ P6 U$ t a
- Find_Begin_Enemy_Check_Continue:2 e. a! R) F) _) h1 Q* y( t
- INX
8 j( n: a8 l5 F ~1 w% p3 [+ ] - CPX #$10
! t' F" q/ w7 c- \' M - BCC Find_Begin_Enemy_Check
/ b. g# o( }1 q) \9 J3 H" R - Find_Begin_Enemy_End:
. W7 I4 e$ q) p7 G7 P - STX Enemy_Index_Begin
- A- D3 a) `1 P: V- V3 Z/ \. d& A - RTS6 b) g- @8 W+ ^# I0 [0 Z
- $ p+ |& Z7 M0 A; x& k
- ;查找最后一个敌人
( ?& O4 V: I8 \6 C; q" K1 ~3 [5 ] - Find_End_Enemy:+ P, U% z! ?4 J2 \4 l
- LDX #$0F. c7 v7 [$ ]# _9 F/ z) @! G" e
- Find_End_Enemy_Check:
$ |$ C0 a/ l5 `4 [* `% R - LDA Enemy_State,X
! W: B! h/ x+ ~0 [ - BEQ Find_End_Enemy_Check_Continue
1 x! G |9 Z; K8 W# M - LDA Enemy_Blood,X) |+ F4 L: o% Z! [+ Z' x$ H# T0 P
- BMI Find_End_Enemy_Check_Continue
; W( t# C3 ?0 _4 B - BNE Find_End_Enemy_End4 O4 F' O" p+ }' H$ x' f
- & r9 b( P1 K3 _
- Find_End_Enemy_Check_Continue:9 X, \2 x1 `6 r) g5 r, j5 s
- DEX
# v. @! K D7 o3 Z4 y3 \ - BPL Find_End_Enemy_Check
# h: R o" \. R2 u/ T - Find_End_Enemy_End:
+ r% s* S( {3 D! @7 |$ |$ N - STX Enemy_Index_End1 l# E$ g' V& g9 C6 Z
- RTS$ E3 E8 _* }' }6 ?2 |6 [4 }
- * E8 y- c3 s9 a# w1 ]
- ;子弹追踪
( Z/ Q# y1 k( G$ |3 ~% B. | - Bullet_Track:
+ W) N d7 r2 m! N5 K2 j, A - LDA Enemy_Index_Begin, j. {$ w% v2 ?2 ?
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
8 b& _" y; z _0 `, q - LDX #$00 ) S- m% z% _( l4 I
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++) [$ H( x. ]1 j# c8 A
- LDA Bullet_State,X C' |9 q. T: O3 a
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
7 m' K+ y$ t1 b) a, F - STX Loop_Index_I
' k8 ?% l) ?# Q9 s) J -
& p! E6 k8 k3 F, N8 w2 B, K - JSR Bullet_Track_Enemy1 ?" y( _- J3 ?1 g7 B# H
- JSR Bullet_Tract_Direction# V5 ~1 Y- \6 E! b) R X
-
# E2 ?# H1 Z6 R+ k+ o& 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
7 N, ]& v1 P' A# H2 Z# \9 X4 O( d1 r0 | - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;3 i, m3 S. t# N. m% z$ `- A
- LDA nEnemyIndex
2 t/ F O* }! Z, P+ P Y - CMP Enemy_Index_End" P! Q, v) }5 B% R9 f ~
- BEQ Bullet_Track_Check_Continue
- ^3 n) A5 x1 ?* ] - BCC Bullet_Track_Check_Continue9 N* P3 C( [$ U$ D* p! w
- LDA Enemy_Index_Begin
1 { G1 N3 L, y# h4 v0 f8 a - STA nEnemyIndex
' w( g$ S% k: y4 U P3 W8 r7 h- \ -
9 [+ M, H7 y* Y6 l2 u- A - Bullet_Track_Check_Continue:
7 }; ]# D( j9 p7 E - LDX Loop_Index_I3 D3 n1 ]3 K6 `7 n7 H# _- i+ D
- Bullet_Track_Check_End:! l7 Y& L1 }5 T0 z4 Y. C, t3 Y; {6 n/ O
- INX
7 D# m, s* V6 H3 B, i0 T& C - CPX #$107 D0 p1 }' b* A7 Q4 Q2 v
- BCC Bullet_Track_Check) v3 T4 C/ d8 r$ m
- Bullet_Track_End:" M3 ]% X( g: y" Q
- RTS5 G5 i0 N- ]9 c' h& A6 P& P
- 8 T& _: y3 ^8 S& R
- ;给敌人分配子弹
. q+ \* e9 g; p- `; x- P - Bullet_Track_Enemy:. @2 ]# C" G. C1 `* c
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
( O7 G8 w9 q4 U% Z O+ A1 Z& r# l i - Bullet_Track_Enemy_Check:4 N( X3 z( O7 L4 D6 f; l
- STX Loop_Index_J
4 v7 H ] ^) I; ] n -
9 S2 P' @1 r; t9 i4 G3 Q - ;if (0 != nEnemy[j] && -1 == nTrack[i])
0 u& w2 c# E/ m. t. j- q; @! N - LDA Enemy_State,X- n( X# d0 }& v9 k0 `
- BEQ Bullet_Track_Enemy_Check_Continue+ t; A. H' D1 L% g
- LDA Enemy_Blood,X6 }8 `) ~- \0 M) a
- BMI Bullet_Track_Enemy_Check_Continue
0 j8 j; w/ S, \# ` -
5 o |/ f5 D5 l' N' C; J5 q+ ] - LDX Loop_Index_I, L- ?& o$ I \7 B) T
- LDA Track_Enemy_Index,X
& K; d- Q! E: Q, A9 \7 {6 F - CMP #$FF
# o# D8 I0 v: p" b8 h6 N+ @5 s - BEQ Bullet_Track_Enemy_Init) p2 ]6 I; C/ l3 p: T
- ' U6 T0 l$ d2 g; U# Z
- Bullet_Track_Enemy_Init:
" ~3 K; {2 J* l7 t& Z - LDA Loop_Index_J
, o' w$ v& U8 X: V" T& U - STA Track_Enemy_Index,X ;nTrack[i] = j;$ M! b1 ~+ Q6 E# F
- 6 X. C* G i6 a& Y
- STA nEnemyIndex
1 d( ^. V+ X D5 d0 J3 v - INC nEnemyIndex ;nEnemyIndex = j + 1;: Q# D: J* b3 ]' T' w
- RTS ;break;
# x) W& j% ^9 L# i( U$ o' P f - + v+ h: R- E5 E2 ]2 W, B' C
- Bullet_Track_Enemy_Check_Continue:/ `: y1 \% [1 B0 H7 I
- LDX Loop_Index_J, ~; }2 c% g( Z1 x! A5 P
- INX ;j++
: Q/ R7 [5 s! D! M5 N+ u - CPX Enemy_Index_End% U* s5 H, e5 {/ L; z+ h
- BEQ Bullet_Track_Enemy_Check
5 X. ]1 J- I; ~6 g. J% H3 O H - BCC Bullet_Track_Enemy_Check
9 d7 O/ | ?: t( C& N' d7 V - Bullet_Track_Enemy_End:
& {$ ~$ O. W) m! u" W - RTS
/ S' f, {5 F& d. Q0 V - 9 b, B( h: I: k8 [" L3 ?
- Track_Enemy:
3 u2 X0 v c' c9 B; ^+ Z; w3 R - LDX #$0F
( U' R& u7 J# W/ l2 ]- I - Track_Enemy_Begin:4 f2 _2 y/ E) I) {, s
- LDA Bullet_Icon,X
; }0 ?: p3 H# _. V - BEQ Track_Enemy_Continue' }/ q) D9 [' ]; ~" q) d* S
- LDA Bullet_State,X
$ ^3 U [$ H& u/ d - CMP #$01
. C( e: a3 y% s - BNE Track_Enemy_Continue
6 D9 T6 w2 U0 `" b2 |* n, f4 L - 4 b* S, G/ d- H3 J5 q& B( P
- JSR Track_Enemy_Process
* } D2 a$ x( c, i" B - 9 S/ b9 o6 u: T, L( W0 a0 \8 U
- Track_Enemy_Continue:
0 u( d0 k5 P# N" S. T; s - DEX2 e# A( Z9 E9 S. p' L# J' N* V8 @
- BPL Track_Enemy_Begin5 R k6 m5 r0 N! n
- RTS
0 L4 g# Y9 D" V- ]/ x7 _5 P - + ?, C; a; X0 G
- ;普通关卡
% c+ G$ C+ K% n - Track_Enemy_Process:
+ g/ P# \% E: a# x - LDA Track_Enemy_Index,X4 ]/ y8 u! d% C$ V( i
- CMP Enemy_Index2 H( @8 ]& X) I- P- s3 q+ Y
- BNE Track_Enemy_End5 g! N6 J* s$ \7 u
- LDY Enemy_Index
+ q. b. o1 T( i) D - JSR Track_Enemy_Y
* O8 P0 q% I! z0 X) k7 F - LDY Enemy_Index
6 ~1 t: Y: `. ?; `4 H, f - JSR Track_Enemy_X0 ~2 S, M; q6 K/ X) P. P& e! f% Q
- Track_Enemy_End:) s: o, f0 i( g. K/ V3 p" E
- RTS
7 M& {' f" L2 D1 ~ - / o/ m& j9 k% T0 D" q
- Track_Enemy_Y:
q) q, j3 f! N v - SEC
0 U9 u; S/ O: A& g/ ~ - LDA Bullet_Y_Pos,X6 Y& n2 N* |0 ^
- SBC Enemy_Y_Pos,Y. V. a8 O' v: _3 H* Z. C
- BEQ Track_Enemy_Y_Equal
# y. X5 w& @+ m& p, Z$ R% L - BCS Track_Enemy_Y_Greater
- }' R$ h; R& F8 `$ E - 6 m g. R$ x; d9 }( \& G6 `
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y Z" N. s* ^ B* u! V5 X$ R* z
- CMP #$FC0 j* w9 r7 l7 X% D, f3 A2 c
- BCC L1_10 y4 t, P- k: w$ J* W
- CMP #$FE
" u5 `, b) T/ e- \8 z' m8 f* ? - BCC L1_25 X) B L2 \% P! R, R9 Q% T" K
- LDA #$00 I; k! M( G$ {: t3 {' `
- STA Bullet_Y_Speed,X
9 ~; h+ E* C* z) z5 ` - RTS' k% P Y: A. S) L" B# J3 N
- L1_1: J) x4 q1 g5 X Z9 M
- LDA Bullet_Type,X
: a" U& V; I! O: M - AND #$0F
: i- g# J- [, \2 ?# ~. F* `2 l - TAY* z+ z3 {! n1 Q
- LDA Bullet_Speed_Data,Y9 A3 I2 W3 P8 |
- STA Bullet_Y_Speed,X
k: m d- X! ^2 X- z: v6 H6 A; ^ - RTS
3 s/ q6 u- b) ~5 C- U
* G0 c. k# j$ K/ z: t* b- f- L- L1_2: ; [$ V5 _! B, J) ^8 O2 b$ v
- STA Data_buffer
; k; J' p- Q6 L" o% | - LDA #$00) _* t8 ?. j& q7 V5 J. f
- STA Data_buffer
' z. T5 h+ T7 K5 u4 b% Q) g, c - LSR, ]4 R- s/ E3 @2 H- v) t8 L' }2 G$ z
- STA Bullet_Y_Speed,X
4 }2 H* B7 d0 e8 M6 P+ C. d0 m, l* R - RTS
5 c2 g8 q# ~& L; T$ E! s
# h/ ~) q: [/ P3 ]- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y6 x/ U, F% `2 v
- CMP #$04
& {6 E* _1 z; Y) a- S - BCS L2_18 V0 W# _" u1 r& }! r1 M
- CMP #$045 Y. ~! D8 Y1 z U, m4 m! r; ^. [8 p) `
- BCS L2_2
$ y3 @# o' d" S2 v - LDA #$00: r7 W; r# |% d) A+ S6 N4 Q
- STA Bullet_Y_Speed,X6 L- Z$ k* B R p3 ]7 T* ]
- RTS
3 d6 ]. e. V# f6 y e; J6 @ - % B5 K" c5 ]4 L% E F7 S0 w t5 J* [
- L2_1:& ], k" U3 }, b
- LDA Bullet_Type,X
$ ?/ J0 P2 Z1 t9 V - AND #$0F6 h% j& b" b4 n4 D& x* W3 j5 Q
- TAY
; Y8 I C" `* a: {9 [" o9 U1 j. _8 |: c - LDA #$001 ]; H+ ?& A3 K( C6 K
- SBC Bullet_Speed_Data,Y
: E& u- E$ S! V/ k$ k/ H5 J s - STA Bullet_Y_Speed,X1 G$ |& A8 t, P" E5 Q0 n
- RTS
! ^% q$ m2 q0 F - . J% q f; w5 S9 Z( z
- L2_2:& Q6 R: ^6 }5 o/ i
- LSR
( l) Q; W6 w( C. P& s7 t0 l - STA Data_buffer$ y. Z+ c, `$ j9 o# }0 n9 \
- LDA #$00
; I4 {3 z/ Y. b# @& O" C" D! X0 [ - SBC Data_buffer% R' Q* m, P0 A8 s' R, Y
- STA Bullet_Y_Speed,X2 u8 V% r, `# [, p& d
- RTS9 y2 K. s" u& j; u9 W1 T8 j7 n
- : b" x# m5 ]+ n8 _# p" P- ?
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y$ W+ {( |) p. G( v) e' s# a, S
- LDA #$00) R8 S) j- y4 a
- STA Bullet_Y_Speed,X
& Y# z$ u+ _ }# y3 k - RTS0 S7 J3 n0 v, g8 P3 F9 ]& ^
-
/ i9 @ N% c6 w( {. y' Z - Track_Enemy_X:6 ]! @* b: v/ @% l/ d4 L
- SEC
" L; P& P {0 d7 k4 S& t - LDA Bullet_X_Pos,X9 T' a+ u% X- n$ L, h! @- E4 N
- SBC Enemy_X_Pos,Y
7 Z6 }- Z" L% U7 ` - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
9 E2 `4 U3 L+ j. o4 o b - BCS Track_Enemy_X_Greater ;子弹在敌人下方; G' i2 K( z7 ^1 }
-
: c5 t9 o7 y# y( |" j5 U - Track_Enemy_X_Less: ;子弹X < 敌人X
% J4 ?/ B! {* m! s8 V7 ^% a* O - CMP #$FC
9 D/ M( }9 d. H - BCC L3_1
$ \, \3 r) H0 o) n! F& v8 W8 R/ y - CMP #$FE
4 b& M: ^' P8 J+ M; _: ^ - BCC L3_2
" \5 S9 z) P5 ? - LDA #$000 f- x5 ]0 a4 P$ ]
- STA Bullet_X_Speed,X
! A' G0 a. w5 _+ G1 p% T - RTS
% M% v: O2 k U$ K8 \ - L3_1: , |$ ]3 ]+ d/ M% Y6 ]' P" ^
- LDA Bullet_Type,X% `3 n* j9 G6 @. S4 Q Q6 u; }
- AND #$0F
9 Y/ e; O0 t8 Y1 ^. x5 E - TAY
/ q; Y, C) B6 F- [! l2 U& h8 M - LDA Bullet_Speed_Data,Y$ m% @6 [% U1 j2 }' u
- STA Bullet_X_Speed,X/ G& r6 |3 j9 ?6 k% }
- RTS! B4 }/ w4 B$ A3 H1 j2 R
- L3_2:
0 \7 o3 A/ L7 L. T. E D0 | - STA Data_buffer- C5 U* a/ X; F
- LDA #$00
' U! f! s) s: ?: S" J - STA Data_buffer
9 d1 u! p7 x% L - LSR; t; \' w" P* O2 a2 e. j3 x& I
- STA Bullet_X_Speed,X% K; e @0 t- v3 U8 Z
- RTS* {9 ~/ Z- c/ H1 z5 c
- . ^5 L% p" o/ U6 B9 ~2 C" [
- Track_Enemy_X_Greater: ;子弹X > 敌人X" R& {; y& ]( A' U
- CMP #$04" L, T+ e0 o& {) ^ e
- BCS L4_1
. T0 T! t5 h* F - CMP #$02
& g" s& u" M( g2 I$ G - BCS L4_2
. b9 S9 ]- Y7 O7 ^2 I; g6 J3 f - LDA #$00
5 v3 @$ F0 n7 ?" w' |; n& I4 K; T - STA Bullet_X_Speed,X
& ?. P3 A- Y p" W# Z# J - RTS$ c* L8 _. n$ K8 m' c$ i5 ]
-
. z; K$ {( a3 Z# H/ U1 U - L4_1: 3 x8 q9 T, t, d% W
- LDA Bullet_Type,X) V0 H& b, ^( N X. B1 R5 w/ j* Y
- AND #$0F
+ Z) D7 w, ]9 D& @/ k$ n; d - TAY. H" L4 K/ f* q8 k0 R6 k1 e
- LDA #$00
8 o+ |( B( W5 B4 B% F }* d - SBC Bullet_Speed_Data,Y1 s& B2 x6 ]+ P* F8 k0 ]/ R. m+ c% G
- STA Bullet_X_Speed,X% O) R( K$ ?# u2 w3 Q' \
- RTS- o. o6 ~* O4 R$ U1 B
- L4_2:
" q7 p. g; N" o$ U% [$ s C. y - LSR
& s1 e- A/ `: e - STA Data_buffer9 h& g; y: c6 j
- LDA #$00
$ Q3 A, k) O0 a% U7 _7 } - SBC Data_buffer- U' n- `; Y, F8 z
- STA Bullet_X_Speed,X
( Z6 h' p7 E( I) A, F - RTS! S+ o0 M9 I* j. x: W/ Z+ e
- . {! C" p: x @" d
- Track_Enemy_X_Equal: ;子弹X == 敌人X, t! q, E0 y! C
- LDA #$00
% T) A' B0 O3 l D - STA Bullet_X_Speed,X
8 p& ~9 t( n- f/ }+ m - RTS, p# l: S N- g* `9 m9 [1 H
-
/ ^& C# B1 ?) N0 X$ K. z: V; D/ f - Bullet_Speed_Data:8 s8 k9 X" u: V# A; ~- C2 o
- .DB $00,$03,$03,$02,$03,$03" |% W* j) f1 d. M1 \, h3 H
-
8 p$ X0 |4 {& P3 ?* w, r - ;2, 4关
0 @7 a& [/ [0 \" m1 j. O; x6 N - Track_Enemy_Ex:
0 _3 {- ?, ?, x. \0 y. u& e$ _ - LDX #$0F- U8 ^5 J6 u2 Q, ?! G. p' S5 z
- Track_Enemy_Ex_Begin:
|. ~5 a( Q: K# F4 Q. G0 T
4 e3 r' i& @# `' |* c8 C A. f! L- LDA Bullet_State,X4 w D( R8 \5 Q l" ~; `
- CMP #$01
6 u$ Q2 W C& {# Q5 z - BNE Track_Enemy_Ex_Continue% y/ M* n; v7 L" E! ?/ i3 O
-
1 h, @* C0 n2 v* g - LDA Track_Enemy_Index,X
, e% ^) Z2 I7 { - CMP Enemy_Index" V( S: x) y/ x0 e L9 h
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
7 d" {, B- a6 d -
- R. H# y- e- d6 F9 r" W% C9 w - LDY Enemy_Index
; h; [2 h3 p( u1 c: _$ ] - JSR Track_Enemy_Ex_X4 Y+ x) S4 \ \" W. d
-
3 E3 `9 {; z& V7 k4 H4 Y8 ~ - Track_Enemy_Ex_Continue:
+ c4 Q- _: `/ X% G - DEX u) J: V5 @: M' S9 ?
- BPL Track_Enemy_Ex_Begin3 {4 f" _0 ^) l- v
- Track_Enemy_Ex_End: z! H9 f k$ I+ }
- RTS S/ l% W. u8 {4 z5 r: U2 y3 h& z
- ; f! Z/ e+ K6 q) }0 n$ v
- Track_Enemy_Ex_X:! S8 S- x. m) Y0 |3 w
- ;LDA Bullet_Z_Pos,X
" U0 l1 B A9 A# W' m8 j/ U - ;CMP #$04
& i3 C5 ^! }2 T& _1 C3 b- j; V) y - ;BCC Track_Enemy_Ex_X_End
7 I9 b) P7 B& g5 ^2 g - SEC
. I1 k8 o0 O+ I( e6 ~; B - LDA Bullet_X_Pos,X
% @* J# C* S) t1 I" b - SBC Enemy_X_Pos,Y s9 `8 W: Z$ a. _: o1 P
- BCS Track_Enemy_Ex_X_Greater' H6 X6 S j8 H& v
-
$ J# x% g# Z% K8 o' G/ v- j; x* Z - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
& a* N2 P# \" c/ [% Y - CMP #$FD
v) _& i' D( z& b% S* M1 K - BCS Track_Enemy_Ex_X_Less_End
; j e! [8 j: V - LDA $6020,X" c! \8 \) h) Y& e
- CMP #$2A* o2 X! W4 j! B( e) I; k
- BEQ Track_Enemy_Ex_X_Less_L10 X2 O; J- ~. }% M# c
- LDA Bullet_Z_Pos,X9 c1 `6 V L2 f* [; D$ e3 J
- LSR
! V+ k$ X" e' P2 ~7 v" |" X - TAY4 e! N7 I! v+ Q1 `- P) h. C" |
- LDA Bullet_Speed_Data_Ex_R,Y- V& p3 ]( H" r- A
- STA Bullet_X_Speed,X+ P1 Z! C. s m# ?8 M; M5 P0 r
- RTS
- X) ^1 l5 y: P E - Track_Enemy_Ex_X_Less_L1:
( x/ c& t- E' V7 q! k5 z
& Z$ e# q) X" U* n7 h- LDA Bullet_Z_Pos,X2 J+ n6 p* B( m7 g# r& J( v1 u
- LSR4 G1 S5 r( o7 i' A: ]. v+ p! [# K
- LSR& y8 A6 L2 j0 r& ~( {4 a
- TAY1 k, a& T# i& ^' o8 [
- LDA Bullet_Speed_Data_Ex,Y
( m. _* \6 G$ K2 O - STA Bullet_X_Speed,X. \& K9 M8 i; ~' ?$ C' c) I( h1 K: q
- RTS
1 W, m) [9 U. B/ u# z& a. f6 u - ) Z3 h# W i9 ~" r- K5 W
- Track_Enemy_Ex_X_Less_End:
( y/ V$ G4 U2 j: U) S/ E% s - RTS9 T" B2 g* R1 ?* K( u$ c
' ^9 G' x# ~( C* l! i- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
, X5 t6 h R& [0 }& x h - CMP #$032 Q3 ~, I; P0 s, u# X: y) o3 T( O
- BCC Track_Enemy_Ex_X_End8 Y. S, ^5 x# [# `
- LDA $6020,X5 b5 r& q# T* I) L- @
- CMP #$2A- ]% s2 G. r) v2 D
- BEQ Track_Enemy_Ex_X_Greater_L18 T" S7 ~6 ?. q, z
- LDA Bullet_Z_Pos,X5 c. [' S4 U) H6 p Z5 |
- LSR+ }7 [ ?0 e2 h: m- S
- TAY
. } R& t# g( B7 X - LDA #$00
. f4 L2 Q* }- p/ H& L4 U+ ]% a* p - SEC
2 X1 a3 q! H0 n - SBC Bullet_Speed_Data_Ex_R,Y* g" t+ y; s$ m) {2 Y' Q
- STA Bullet_X_Speed,X
) P5 q Q" S0 E" I: T - RTS( W7 \4 _2 U' H' ^) c; u
-
8 C9 ^$ V. Y$ D7 z) e4 { - Track_Enemy_Ex_X_Greater_L1$ Y+ Z5 T( s, k4 D& K
- LDA Bullet_Z_Pos,X, d/ |: B& }* ~
- LSR3 _5 Q' ]5 Z+ Z& w- w4 k
- LSR7 T, t Q1 E+ d! R7 h: i
- TAY3 q: {1 Q6 p$ p* Q) }
- LDA #$00
4 i' @# D/ a3 N- f6 ` - SEC) i, H! v* \# ~8 P% V" ]* R4 B
- SBC Bullet_Speed_Data_Ex,Y
+ N0 v: G3 c* Q' Z9 b - STA Bullet_X_Speed,X
/ x9 \$ K i/ T# ] - RTS2 O9 d+ l4 Y. o6 k3 J
- # D0 M. {/ s A9 I! J
- Track_Enemy_Ex_X_End:
& L& u( y, M; o+ k3 { - RTS+ w& h% \6 @: f9 `) k: s
- 7 }. l6 x( t& D4 m6 Z
- ;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)
6 H( A) h* W( g; C - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上& `0 \7 r3 I7 h$ ^) }# ~6 f
- Bullet_Tract_Direction:
4 h6 x: e3 y( d0 z/ {4 i, T8 H - LDA Bullet_Icon,X# Q8 f8 L" T& U# ^1 x( F1 d- g1 @- Y
- CMP #$235 b! S% N* |7 T
- BCC Bullet_Tract_Direction_End) i% X( A% c( T( J4 d) c* t
-
* L4 L6 W ~# Z5 ]" B - ; X != 0
, N3 H% v" z1 n5 _" I) a; y T' n - LDA Bullet_X_Speed,X
$ F8 s* K& t( @, i; w7 X - BEQ Bullet_Direction_V$ x! W3 h: w, M# x4 p
-
) w& m, H1 K! f+ C - LDA Bullet_Y_Speed,X6 u0 w5 b4 ~. p2 ] q7 O4 u
- BEQ Bullet_Direction_H
3 c H( D( K( v% _2 K6 B - 5 c, ]) h. [, _$ H# E* k! Z) C
- LDA Bullet_X_Speed,X
+ n: L9 X" y& E. ?. S- ~" s - BPL Bullet_Tract_Direction_Right( j9 d8 v x5 x
- Bullet_Tract_Direction_Left:: ]$ ~# q& M( S2 `0 T; D
- LDA Bullet_Y_Speed,X
5 q+ \1 ^3 q9 }! V* n5 [ - BMI Bullet_Direction_Left_Top
- y9 v& V5 K7 S6 y8 E" ]6 i - BPL Bullet_Direction_Left_Down! c8 q% Q F/ J7 m5 K7 _
- Bullet_Tract_Direction_Right:- h, V3 q2 L3 w6 h6 m- I
- LDA Bullet_Y_Speed,X
4 ]7 r( w2 W' u0 V7 H4 V1 k; a - BMI Bullet_Direction_Right_Top6 }9 m5 [; A' _6 @! x9 @
- BPL Bullet_Direction_Right_Down
- N+ a8 G( ]/ S3 S" u1 ~ d6 V" i - Bullet_Tract_Direction_End:
1 p q w L3 g5 u2 R - RTS4 f* m q {( S
- . }/ _9 ^ }: B- F" T r2 |7 n
- Bullet_Direction_Left_Top:
( ^8 m' ~ B0 {4 A8 U& H - LDA #$25
! A- {9 K3 D- q% K' ] - STA Bullet_Icon,X
3 t1 @' K+ Q5 o: R6 T& e - LDA #$C0, z4 K4 q$ O, R7 i
- STA Bullet_Direction,X+ v0 l" ~9 P: N8 Q" _+ {
- RTS3 V" z2 I; X- s8 a$ k6 x$ G# H
- 7 {7 R$ u$ d, g4 z% c+ {8 v- Y
- Bullet_Direction_Left_Down:# L" S0 B8 l0 Z6 J
- LDA #$25* l; Z' o8 a5 E0 G, M j8 p7 h" T9 E" M
- STA Bullet_Icon,X U% ?5 j1 T: W
- LDA #$402 M( M- O% |! d1 @, _' Y
- STA Bullet_Direction,X, c# o& M9 Y. z( `1 @
- RTS: S/ E# y$ f5 Y. }6 N0 O- d
- 0 Y7 a9 |4 Z: z6 r- t" [: l9 R6 \ }, x
- Bullet_Direction_Right_Top:
! h- o# J8 h y) e0 Y t; ~' p6 ?! T - LDA #$256 a, H6 I8 l, `# T1 }
- STA Bullet_Icon,X$ }0 H( D) Z2 h8 Q& c
- LDA #$80
x' t8 K5 C* t% t/ @' E - STA Bullet_Direction,X
: q2 W1 N: G' z) i& g9 _* T - RTS5 G/ C: P6 S. m3 t
r+ z* u) u: j( X5 N- Bullet_Direction_Right_Down:( k `2 X& Z% W- Q D2 T
- LDA #$25: F3 ~* ^; ]: |7 | z% `
- STA Bullet_Icon,X, C2 U1 a$ o, {7 A
- LDA #$00
1 u7 V. a6 P: r9 j! p8 k - STA Bullet_Direction,X; e- C. `; n0 @) w( }3 @6 y
- RTS+ C0 t( A& N8 F
- " M9 I) k9 d' K9 E
- Bullet_Direction_H:4 |' l5 _4 ?% k9 y( w
- LDA #$24
* `$ }( _& L7 Q - STA Bullet_Icon,X; e9 |' }* b+ q
- LDA #$00- ]$ f/ g7 f# u; @
- STA Bullet_Direction,X/ n d9 r3 c& T. h; _& o
- RTS
Y( r1 Z: u6 ^" u - / z8 z) ?* |4 O' @7 u, Q- `( b
- Bullet_Direction_V:$ T$ M4 D4 C' |2 J4 `* q6 f6 s1 J
- LDA #$23* P( c. a3 i6 t5 B5 n4 J
- STA Bullet_Icon,X
5 V S( ]: y8 h6 q - LDA #$00) k* A# S7 {' C! u7 ?$ _
- STA Bullet_Direction,X
! g) u5 j! |, i% E - RTS" B, y# ]! [+ \7 o6 \
9 r) I0 B: @2 K$ `8 {/ _5 {- Bullet_Speed_Data_Ex:
# x4 z0 y2 S4 w1 ?" ] - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
* ?$ ?5 C5 R4 }4 x -
$ x" t, |# v" D6 d' _3 s3 N% D& s - Bullet_Speed_Data_Ex_R:
0 \( p( {) j+ c: b# o - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
# v7 t( H3 l$ G/ l2 t$ w -
复制代码 6 c% M/ e1 o( A- x6 m9 ~5 J
" {2 b" }0 i$ o0 ]3 S* ^
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