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[FC][魂斗罗][J][追踪弹]
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9 j; x+ r; p" _2 W3 `) x p时间:2023.04.306 R: j: z6 f0 H# h
作者:FlameCyclone
c" m; k2 F8 Z. a+ j内容:7 g! E+ Z7 l6 m9 @- s/ g3 ~* Q4 P
1. 所有子弹追踪敌人
. g; ~" Z4 _$ I& s( S# a 2. 选择键切换武器$ W1 D; V- o# G1 `- z
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
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2 D8 Q, \4 l7 Y& Pflamecyclone.ys168.com9 `0 h% X' |% i& u5 M
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. O8 U( z# a$ W7 l& K+ s( a - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L
2 P, V1 W8 N& p ^' U/ } - Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)# m# R. G/ A) W7 D# t4 d R' P
- ( U$ `, S% }, b+ ~: u# r
- ;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 M% @2 F/ ~/ y/ B- t
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上. z( f+ v# F3 I7 c0 e1 {
. s0 p D) S# L- Track_Enemy_Index = $6000/ n0 ?! |- Y- f7 `. S8 @
- Enemy_Index_Begin = $6010
, X, X, v( T; s1 v6 \0 V - Enemy_Index_End = $6011. Z! f8 r3 B/ E! o
$ x; Z& m& p$ W9 F0 s- Loop_Index_I = $6012
/ E0 H& x' O8 S, C' `6 { W# A; @ - Loop_Index_J = $6013
7 s+ m1 ~/ Z/ Y. q - nEnemyIndex = $6014; t( R3 F/ R: Y9 y3 j; q8 A* |/ ]: G
- Data_buffer = $60158 J, d$ P7 u9 |8 D) V
- ' N; L9 p( z L6 [6 D
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标 J" f" N7 W3 A6 |% ~& B, M
- Bullet_X_Pos = $03C8 ;子弹水平坐标
3 ]6 S+ J; m! f - Bullet_Y_Speed = $03F8 ;子弹垂直速度1 V# G1 m- ~0 u
- Bullet_X_Speed = $0408 ;子弹水平速度! f& H+ N9 ~$ ]+ V {& R
- Bullet_Z_Pos = $0418 ;子弹Z坐标2 A& j) d5 `7 V0 c/ z
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
- G0 G) ]( K' {* O2 N# ^9 S$ V
9 T; O( ?2 @" d5 r( s% n- 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5 B6 }2 B0 P9 B0 U
- Enemy_Blood = $0598 ;敌人血量5 q0 Q R& V+ C! q( ~
- Enemy_Type_Addr = $0528 ;敌人类型
/ T2 v2 p T, y8 I* J n; } - Enemy_Blood_Addr = $0578 ;敌人血量% T) C- z* x/ x7 U- ^
- Enemy_Y_Pos = $0324 ;敌人垂直坐标. ]" }2 V8 m) ^$ z
- Enemy_X_Pos = $033E ;敌人水平坐标
/ l" _! c( G7 z0 n9 y- @ - Enemy_Y_Speed = $04E8 ;敌人垂直速度6 x5 l) S* r* H7 d! j( `- x
- 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8 k- ^( }8 @; n L5 O- H
3 h6 K# U! Q: \! c' B& F- Enemy_Index = $83 ;
" A# R9 e, R; ^1 y - Time_Count = $1A
u2 z' U* F. Y# e# X3 X% R - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率6 M) |) U) n' O# e. k4 Y4 T4 T" E
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- 6 P O" c5 L( v' `7 b2 Y
- .ORG $6100
, G: k# g9 o( g, Q - Process_Begin:
& C* S; Q( \- N; `' H3 u - JSR Enemy_Check
7 R; L5 Z8 u8 w: b" ^ - JSR Track_Enemy_Check# [: x6 w2 W* j' |7 P! {( J
- Process_End:! R2 }/ d; l; |$ F
- JMP $E54F
2 I2 O% B6 F+ i3 ]
! Z% B/ m) g( _( w8 y6 T- Enemy_Check:
3 I( _$ k- D" i0 H - LDA Time_Count& a0 M* A" _# X3 H
- AND #Track_Bullet_Speed& ?4 m' `: f- b) Z5 `2 K% H
- CMP #Track_Bullet_Speed
) W# l' J; z5 i3 w( m" h* [( M$ [ - BNE Enemy_Check_End5 r0 P% h& v: @$ e4 A# p' m! }
- LDX #$0F
( q8 d* h( _& ^ - Enemy_Check_Begin:
4 R/ K' B4 ~( G! P4 Y - LDA Enemy_State,X
* m7 V3 F; k$ M0 s$ b: n4 X; ~ - BEQ Enemy_Check_Continue- E9 f @, F$ E8 v
- STX Enemy_Index! [- @8 K; @/ k# Y
- JSR Find_Begin_Enemy. J. o4 u* F1 I3 G* r* w8 e
- JSR Find_End_Enemy
) R8 i; ]( h) T - JSR Bullet_Track4 Y$ T4 F/ t' Q, K& D+ Y% F, v; G
-
/ U) {* q) W' |' y' g; x6 _ - LDX Enemy_Index J' n+ `! @% {4 v) }! D! ^$ }) P
- Enemy_Check_Continue:
; R' N; G1 M- y0 ? - DEX: W3 A M$ [0 i
- BPL Enemy_Check_Begin
0 @& {% w+ Z3 y9 Q7 A0 } - Enemy_Check_End:
9 ~$ V; k' R, O - RTS
6 O8 w7 L7 Y" S$ m -
" g! z4 q% N& V - Track_Enemy_Check:% T# a0 L! K9 I E7 _& P
- LDA Time_Count* F- J2 t) f3 V% A) ]
- AND #Track_Enemy_Speed
/ E9 ~4 x4 B0 Q; G2 J - CMP #Track_Enemy_Speed; }* V# J2 j% J7 t0 e* ~1 @
- BNE Track_Enemy_Check_End
4 U- |7 L: F( ~- F& C# g Z0 z - LDX #$0F, J4 y1 w @- J$ C& e8 K. N; e: P) p: H
- Track_Enemy_Check_Begin:
~; N9 I' c( M$ w F - LDA Enemy_State,X
, a1 K$ O: O7 ~) [2 M! z, f' C - BEQ Track_Enemy_Check_Continue9 D! H& P% S e% K
- STX Enemy_Index
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5 h% d( l7 W8 q! i - LDA $40
5 N; k3 [( E) \$ y - LSR1 E1 d6 G4 ]0 r% d. _! n
- BCC Track_Enemy_Check_Begin_L1
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- JSR Track_Enemy_Ex ;2, 4
& v, Y7 ?4 y* D* \4 F5 C: `* E& a - LDA #$00
; K" |" F! Q# i4 Q A0 [+ j- M0 x - BEQ Track_Enemy_Check_Begin_L2
- i: V. F1 T9 P! W3 }# x, o -
7 u( r1 ^$ k: U+ t+ T - Track_Enemy_Check_Begin_L1:
; s4 ]+ |. W% ^( t5 Z' F' h -
" }1 d- h6 r" r* d) a - JSR Track_Enemy
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- m! n- B" b5 M9 R) o- Track_Enemy_Check_Begin_L2:
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- LDX Enemy_Index& H4 v& l+ x6 m% D2 |: Q: e9 W
- Track_Enemy_Check_Continue:
6 w' Y' L1 ^) E$ Y/ O) y2 R! O4 u - DEX, k, i1 I: C2 k0 g/ K" H7 o
- BPL Track_Enemy_Check_Begin
A! R q5 w6 \9 u1 d, Y - Track_Enemy_Check_End:1 u0 G' Q! [: Y/ E! h
- RTS! N; ~6 D; Q5 J" U$ T7 f
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- ;查找第一个敌人* J5 e0 ] h6 N$ m
- Find_Begin_Enemy:
' E' q% e; B- b' h6 c8 \/ t - LDX #$00
9 _7 \$ p# j E. U" R+ p* m - Find_Begin_Enemy_Check:/ B2 e7 p$ j* ^4 S2 Q
- LDA Enemy_State,X
. k1 h2 _& x. ] - BEQ Find_Begin_Enemy_Check_Continue3 {% H8 [( S+ R8 n3 I! T3 n: W
- LDA Enemy_Blood,X- A+ @) e# V2 T6 I' K# J, N
- BMI Find_Begin_Enemy_Check_Continue
( [2 ^0 g7 t0 C, E4 |9 m - BNE Find_Begin_Enemy_End7 S& b* Y0 Q8 v+ ^
- I2 a2 D$ l$ @& L3 z
- Find_Begin_Enemy_Check_Continue:+ Y. `7 M0 q; L: N2 T6 t
- INX
; Q! C& ?& F5 \; ]' D4 O$ e - CPX #$10# V1 d; I+ J; D$ L; v! }
- BCC Find_Begin_Enemy_Check) e9 q3 G2 P3 K* X6 ]9 J2 K- G
- Find_Begin_Enemy_End:6 o5 b. t; W* }' Z' e
- STX Enemy_Index_Begin
9 p2 U$ R6 y) p+ J - RTS
7 s* o+ n; n- g' {+ Z( c# e* s
! i2 d7 q: Z9 p7 J; i- `- ;查找最后一个敌人; O* E: t$ o8 o% s, S
- Find_End_Enemy:! o A; J9 @5 p+ D$ [
- LDX #$0F! H3 m9 i& U/ K! P0 L! n/ A- j- L
- Find_End_Enemy_Check:3 w# W* M7 H/ k' I# Y+ C T
- LDA Enemy_State,X
: k( m/ s: L6 K( W7 v% K4 D - BEQ Find_End_Enemy_Check_Continue# ^2 j& m) `6 P) x
- LDA Enemy_Blood,X( }* R. U. d' @0 u5 H5 P, }8 Z
- BMI Find_End_Enemy_Check_Continue
" B- r9 A: ?& {$ F6 m - BNE Find_End_Enemy_End0 ~# J% `$ ?9 D5 b
-
# `7 u" c- z2 M) h: T% C - Find_End_Enemy_Check_Continue:
/ E, |% J6 b( s. Y8 |1 F- u { - DEX+ P1 z' w! Q$ G* j. v) J
- BPL Find_End_Enemy_Check' c0 b9 \+ h8 p
- Find_End_Enemy_End:
8 x+ G; ?- p8 b Q1 }. ]+ |5 J( s4 w* H - STX Enemy_Index_End
& x0 `0 ~% y" V D4 i v! @ - RTS
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7 w5 a+ b) @& @- ;子弹追踪. z, ~7 j3 V$ l* V6 ]$ W
- Bullet_Track:
. {; `4 u8 x9 ~9 u! d - LDA Enemy_Index_Begin" [, e7 X8 k0 U& x6 @; w+ m; t3 z8 G
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;( t+ J4 r8 g3 b& W
- LDX #$00
5 ]; t& j0 k* z6 A - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)/ R8 X( B9 S! i; b
- LDA Bullet_State,X
8 p# }( [; a/ ]# n* B - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
. H) s2 u3 L# H2 w0 ^& E2 S( C4 n - STX Loop_Index_I
8 G! x; L5 [% T# G# V! u - ; d! M/ k m4 N9 s, \
- JSR Bullet_Track_Enemy
$ S3 I9 M0 n* N3 @ - JSR Bullet_Tract_Direction& s% d0 S/ z( ?9 w+ k5 Y* U, z
- ) C' I$ o. d6 ?9 n9 \" U6 F3 w
- ;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
4 H. U$ r4 h* b# k+ x5 P - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
( h% B+ L0 M$ X - LDA nEnemyIndex' [) ?' g/ p$ \3 y
- CMP Enemy_Index_End+ o+ _9 O: x8 ?- f0 V- m) B& R- H
- BEQ Bullet_Track_Check_Continue' _7 |3 h8 M$ L- J
- BCC Bullet_Track_Check_Continue
& c ^( X: D' k( e: I; S4 k6 L+ m - LDA Enemy_Index_Begin
( E' P* q5 O3 d- X - STA nEnemyIndex
# c: `9 g0 G) V$ n - 5 J8 E+ F9 [, X( O" ?
- Bullet_Track_Check_Continue:
1 o* V6 h" L: i/ {4 @2 x - LDX Loop_Index_I
6 @$ Q3 s0 }3 m9 }4 O - Bullet_Track_Check_End:
$ K; Z7 ^! Z3 j2 E* Q - INX$ [" A h' s! g& m
- CPX #$10" Z) M2 c1 {) j: c
- BCC Bullet_Track_Check/ ^" n, n' z. ~4 l' G
- Bullet_Track_End:) i7 Z, u, V2 ]# e4 Y
- RTS! m5 Q+ O, b2 w9 c4 Y( J1 P% H2 g
-
/ m6 D. x: J- C4 a5 I5 V) S - ;给敌人分配子弹
# X z( \! G# y C# Y - Bullet_Track_Enemy:' H+ o$ b/ q6 f' L8 t$ Z
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)+ d4 k b2 S" @3 G2 N% ]+ B
- Bullet_Track_Enemy_Check:
% y8 X0 O: G ?0 h - STX Loop_Index_J
, y6 s5 `1 N8 q -
6 y; d( N: a. Q* O3 E - ;if (0 != nEnemy[j] && -1 == nTrack[i])# |! f# ~, a! W+ E7 s: P$ g
- LDA Enemy_State,X
/ K. g$ J- ]6 b- Q X7 c - BEQ Bullet_Track_Enemy_Check_Continue
2 n9 C* J4 R2 x8 s" |6 j - LDA Enemy_Blood,X8 ]' P/ y$ D, l1 R( x$ |
- BMI Bullet_Track_Enemy_Check_Continue
9 M W/ v3 O! W4 { -
7 \" ~- p2 ^, S4 v$ W - LDX Loop_Index_I* A. E1 q1 w2 }, q
- LDA Track_Enemy_Index,X+ e+ t( m( A& P3 ?
- CMP #$FF
; T# ~8 e9 T4 _) C2 c - BEQ Bullet_Track_Enemy_Init
, V" O7 m; G' ]2 x ~ -
- v# `5 P5 b1 q& W3 V$ ^, u - Bullet_Track_Enemy_Init:# {; v. G4 {# ?" P
- LDA Loop_Index_J0 t& m; |: V" L5 L3 j% a* H
- STA Track_Enemy_Index,X ;nTrack[i] = j;
9 C3 t: `" J) H7 |# E" }' f -
+ V2 h6 V, d, B/ T - STA nEnemyIndex2 ]% A5 s2 r$ B' g: p
- INC nEnemyIndex ;nEnemyIndex = j + 1;
! Z" t% G$ p, D$ \2 H7 a+ K - RTS ;break;" C4 q; w1 ^* }# a
- $ H2 n0 o# N' ~6 l* O* @" R. i" M/ b
- Bullet_Track_Enemy_Check_Continue: P' C; E- d6 Z% V" w
- LDX Loop_Index_J
- G2 O- k/ J2 \: j: X j - INX ;j++
8 Q6 _. p( E# o2 c9 W: \ - CPX Enemy_Index_End3 _# V9 @0 Q, v# J3 O
- BEQ Bullet_Track_Enemy_Check
. }2 U2 K Q, n" }3 A. ~% V - BCC Bullet_Track_Enemy_Check: v7 ^( g1 w# L0 ~3 [# l2 K& R' l
- Bullet_Track_Enemy_End:: y( t7 B5 I( g
- RTS. G2 t' Z, ]1 U
+ Z$ [. z4 t, W7 `" B- Track_Enemy:
& K+ X1 E+ k! ]; X$ ^) C+ K - LDX #$0F7 I2 u# R# ?0 c' W6 ?$ [( m) m
- Track_Enemy_Begin:: @ J+ [: E9 M5 K0 ?
- LDA Bullet_Icon,X5 k( N5 r) [! A8 P) u0 J! Q# }
- BEQ Track_Enemy_Continue
$ i! I- S2 c" |/ }. r - LDA Bullet_State,X
& T) o( C9 B$ e+ V - CMP #$01) ~) H" l8 A' R" u
- BNE Track_Enemy_Continue1 {. u: a) b) e4 P' Q7 H2 z, E
- : ?. f! X+ ~! N( f4 J# e
- JSR Track_Enemy_Process
; m8 ~) `' q* l) H9 `+ a - , y8 h6 |; { A; N: u8 g3 k) Z2 V
- Track_Enemy_Continue:1 b4 x2 c2 _% @ i$ i
- DEX# |& y7 i3 x3 u2 @
- BPL Track_Enemy_Begin9 ~+ e+ I* R6 x, n
- RTS
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- ;普通关卡
/ [& x m8 D6 r - Track_Enemy_Process:
5 b0 y' w- _: L: Z - LDA Track_Enemy_Index,X
! [; P9 c8 \ Q8 [4 L# C - CMP Enemy_Index
7 v; M! J4 w% O - BNE Track_Enemy_End
! R# A2 X y( i/ J) S" F4 G# ?7 ] - LDY Enemy_Index! U4 n+ u9 D% Z0 O8 Y
- JSR Track_Enemy_Y* v Q( o# a& D8 {
- LDY Enemy_Index
# H- D" S8 I# W+ v3 l4 C$ F" ] - JSR Track_Enemy_X
7 ]/ t5 L2 E: g" f% @# _2 Q J - Track_Enemy_End:
: \: h7 d" }- j% g0 u - RTS
/ ~1 P3 d5 M# s1 U( J - I7 t( F6 w. O! m8 F1 {
- Track_Enemy_Y:! T4 y8 q/ s6 ~ g$ E
- SEC% x( m+ _0 \+ Z
- LDA Bullet_Y_Pos,X
: e z2 N" e) T' I" e# _) H, y - SBC Enemy_Y_Pos,Y5 W: H# D) Y5 O6 u. X- L7 D. J, H
- BEQ Track_Enemy_Y_Equal4 Q7 O) S7 p' A* c
- BCS Track_Enemy_Y_Greater0 W4 V8 z9 Q2 }8 o9 r) O% |
- " Y- a3 ` @/ J, T# N3 |2 ] I
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
$ l9 v5 _% p; L, G4 G - CMP #$FC
1 l! x' t. @0 G; N( j' ~ - BCC L1_1
4 w0 I4 V9 ~) a - CMP #$FE0 `; `5 T* k% ?6 r
- BCC L1_2
7 R. k7 I5 @3 V5 Q - LDA #$00
) i8 j. x0 x9 K6 _ - STA Bullet_Y_Speed,X' i; G3 A) N" A! H
- RTS$ s3 X) V! N. f" i) f& T! ~
- L1_1: % s4 L+ r2 A& \1 R z. E
- LDA Bullet_Type,X4 L" m: ~4 V9 {" `2 N0 m* t
- AND #$0F1 E; I9 u2 X" n* o2 L
- TAY
/ Z* P* [: @' j1 G/ x9 V/ r - LDA Bullet_Speed_Data,Y5 _* S" t- n; a' Y; D
- STA Bullet_Y_Speed,X
$ |& x& z7 z$ P) G) q' k - RTS b/ `4 ^& p0 d$ i! n; R
- ! h) V2 y- n- `; c% @/ q, W* l
- L1_2: - [ X. J9 I4 @' \
- STA Data_buffer& m* r/ y, m. b8 d& W8 m6 u
- LDA #$00
; K5 c& B. c4 x, l; z/ b# w - STA Data_buffer0 p7 J# |( J3 ]% c& M
- LSR
# D8 Z3 t4 w1 \ - STA Bullet_Y_Speed,X
/ q8 k+ V3 n$ ] - RTS: f: a3 V( @) w J/ k
/ V/ S* W2 n J) Y' [7 t! r- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
* ?9 y& k) |7 s% ~1 a6 | - CMP #$04: M$ |, N: n( L. G
- BCS L2_1
& d2 F0 ~! X4 }/ z) S8 Y - CMP #$04
5 c6 C4 j9 t! ]6 p- r" o( H) p( { - BCS L2_2
: y2 Q, G$ Z' ?- B" T% T7 ^ - LDA #$00) f+ e# M0 p- J+ N
- STA Bullet_Y_Speed,X7 g; q2 g; d; t
- RTS @0 ~9 ^4 c7 r& J! A
- ' b7 C* z$ t. [# V$ M
- L2_1:
3 v) |; Z8 R7 ?/ z - LDA Bullet_Type,X" s0 r+ c6 z, h0 y% i/ n- X
- AND #$0F& s% N9 ^# u$ {) ]# g! G( R! D: C
- TAY/ z4 h% K. T" Q) t; d
- LDA #$00
2 H9 H4 M/ J/ C$ g0 _ - SBC Bullet_Speed_Data,Y
: A( s+ J2 T# i& |+ b - STA Bullet_Y_Speed,X7 u3 U0 P. @+ W* D
- RTS
6 N9 `- y) g. b- a' A1 K -
+ U, P+ O4 n- |- ], O - L2_2:3 t9 {2 H2 Z& Z* P5 O# M9 x+ @
- LSR8 w0 c V- Y. K$ [
- STA Data_buffer
3 a' x2 s: B7 k; `* U1 K - LDA #$004 ~# R$ Y& y) @2 l0 l- ?2 ]
- SBC Data_buffer0 g1 m2 d1 g, D' V- b
- STA Bullet_Y_Speed,X
{) D! R) {( W8 M# f - RTS: i+ K# a6 a. p% R
- - l! B2 c! C/ B+ Z6 B
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y# k. a/ D+ y, _, P, y' h
- LDA #$00
" O) T/ D; {" m$ v- ]# W3 ~ - STA Bullet_Y_Speed,X- |( g' k9 j. x: @# Y& d; f) O+ l6 s% B
- RTS
: c/ E2 P7 ~" {1 B0 a) r - 2 _2 T. G" E" d& G
- Track_Enemy_X:; g- ^! a: q# ?4 k0 O0 _
- SEC
6 V+ P9 `( J% B+ Q( l" k* o3 T - LDA Bullet_X_Pos,X, o$ S4 T# ^, Y
- SBC Enemy_X_Pos,Y: V" w0 j! N; f! N7 G; V
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
) }) U! C# q u4 F ]# @8 D/ ] - BCS Track_Enemy_X_Greater ;子弹在敌人下方
/ H7 F; a% k; @; B( p, r - 0 M8 W- E- M5 o6 n! Y
- Track_Enemy_X_Less: ;子弹X < 敌人X
! F1 Z+ g9 W4 ]' e - CMP #$FC
5 g4 g6 M& G3 U" \- |) t# l - BCC L3_1; j4 m+ |. n T+ H8 r' y& A
- CMP #$FE2 ^% t: X& H6 H! U6 ?
- BCC L3_2
% Y: m2 S/ G4 m, u$ h ~+ i" j - LDA #$003 n& `& m/ l6 E$ D4 w$ N7 m
- STA Bullet_X_Speed,X
& L% l. Z; _) p3 w; b - RTS3 K8 b" b0 z5 U! k
- L3_1: . i0 J, T, V6 j9 b! o
- LDA Bullet_Type,X
2 a( J+ s" ?# Q8 W- L - AND #$0F; r, l$ X& m& \& C5 D$ F! j/ i% m
- TAY1 K; M# C) @/ f# n; a
- LDA Bullet_Speed_Data,Y& S' g7 B" G1 A! E2 Z% w3 _
- STA Bullet_X_Speed,X
0 G: o, a; _$ c0 M - RTS$ e8 G% l9 ?0 q% [. s+ T1 y
- L3_2:
k7 d: L7 Z" s - STA Data_buffer
3 u |! m( x# D7 ?3 N3 w' g - LDA #$00
) ], f m/ U( o7 l" V2 d - STA Data_buffer# C3 ]: t+ y7 p# W$ A, w$ g" _/ [
- LSR& v1 z* J& A3 v& w2 M0 q, l' _: o
- STA Bullet_X_Speed,X4 E- }3 L. i) r7 G
- RTS* D% ^9 b: c6 K; W
-
4 [: k* V# a+ m4 L' i" n+ B k - Track_Enemy_X_Greater: ;子弹X > 敌人X
% C+ R3 i( `; P6 E, K# L) F - CMP #$04
- A# F0 Q0 B' ] G2 g - BCS L4_1& G! B( x% w2 u
- CMP #$02: W3 u' T1 n: a$ W3 K
- BCS L4_2
' E1 H% n, M# S5 H% O - LDA #$00
0 g) y& M2 t5 p( [& J1 F" {. k+ K) O - STA Bullet_X_Speed,X. b3 y$ q7 s2 A2 w% r9 g0 |" W0 ]
- RTS& K' l9 s: M9 s3 J& x# v ]
-
0 H3 ^' {: `( a v' e0 v - L4_1:
. _3 @$ |( c0 b! P - LDA Bullet_Type,X
% L- w# s6 C; A6 K- N+ _* T - AND #$0F
9 E: C0 c" [5 Q- | - TAY
* i: B9 q" L5 q. Z! B% \5 F; p S - LDA #$00
# w) A% d" t' V3 S: X - SBC Bullet_Speed_Data,Y* _9 Q8 \+ R; d" U4 N0 X
- STA Bullet_X_Speed,X6 j7 ^7 |: a* q! g: Q
- RTS. K9 S8 F0 [0 {6 d* }
- L4_2: 6 b% D- P! l" r) h" X; k- ~% L
- LSR
& ?* r# }& b9 d - STA Data_buffer0 X: R: c b3 u% t
- LDA #$00
# Y5 u8 V' z3 P* b - SBC Data_buffer4 @% F& M" ~# U) v5 E8 e. i: V
- STA Bullet_X_Speed,X
: \/ M0 b+ q) u5 { - RTS
4 A, W0 l4 v* |1 Y2 A/ Z: s" K - 2 a" i. l! c. V0 t% C
- Track_Enemy_X_Equal: ;子弹X == 敌人X
, j0 a: @( m/ G y - LDA #$00
9 E: T! V9 v% j7 A( Z* U1 R - STA Bullet_X_Speed,X2 B% { B6 z* a3 `, U% [
- RTS" V! m: Y* Q. F3 O% m2 z# r5 I
-
6 t' S- s. u% O8 t; @ - Bullet_Speed_Data:: g$ G; O; T; P: ?5 p: P
- .DB $00,$03,$03,$02,$03,$03
6 T1 @5 ~1 Y- r' O -
- f$ g8 i A% {1 p - ;2, 4关, W& R7 a" C, _$ H" }
- Track_Enemy_Ex:5 d/ K# V; b, e+ Y' u" L0 @
- LDX #$0F
4 O, g, ?5 c3 L) l# z! h# [) s - Track_Enemy_Ex_Begin:
) O+ v( C; E, Y; J/ Y8 i& x6 I
5 p$ w& n9 y4 {' E7 y, _4 ?9 j- LDA Bullet_State,X
7 k" L& T* ~% x6 O/ X+ A - CMP #$015 W3 A$ |1 [' h
- BNE Track_Enemy_Ex_Continue& a4 s" U- y6 N# p% Z$ g# X! G, K
- 1 ?9 ~8 h L+ E, f2 H
- LDA Track_Enemy_Index,X' M* p! J D0 h y
- CMP Enemy_Index/ j$ E& K+ w; A% Z# c- Z- f
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标/ h) n. F# [) q9 l
- $ p6 } d& f" P- Z2 B
- LDY Enemy_Index- ?5 o; F. q/ [* l4 _; q& |; h
- JSR Track_Enemy_Ex_X& j. }/ g$ U2 `, h3 g- }
- 8 I- L7 @5 \/ `: Z/ F- g2 M- K
- Track_Enemy_Ex_Continue:
) |' V: O6 c/ D2 s - DEX
8 L, h6 N1 ?4 H) _9 P2 a' P - BPL Track_Enemy_Ex_Begin
& i4 L- F( T, g a; s) V( M9 A - Track_Enemy_Ex_End:! n! \8 h x0 ~3 h8 `& Y
- RTS! R0 j, C9 ?8 ^9 C8 c; W* S# K+ v
-
0 }. V: r- z- r/ G: e& t - Track_Enemy_Ex_X:
! X4 F* U |, q) W - ;LDA Bullet_Z_Pos,X* u2 M2 X$ k6 z( V
- ;CMP #$04; P: X( ]3 q; R# X. @
- ;BCC Track_Enemy_Ex_X_End
1 q/ Q) }) `1 U - SEC' x2 ^0 \* P/ d+ p1 k
- LDA Bullet_X_Pos,X
3 H& a! W9 p5 P/ Y8 A" k) k. x! S - SBC Enemy_X_Pos,Y
1 t5 _- k3 I+ l' d9 f- p - BCS Track_Enemy_Ex_X_Greater6 S8 e2 o# X6 ~( q
- 4 {8 Z- J; l& [
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X, W) B( a: C3 w$ T* ~9 d
- CMP #$FD6 ^" k8 s4 |) j1 Z; l; f M% h) U
- BCS Track_Enemy_Ex_X_Less_End" E+ ^/ |0 N, K) ?( I
- LDA $6020,X- p2 r9 H, Q6 O. C& m$ W
- CMP #$2A+ v6 X$ ]* u; @4 E5 P
- BEQ Track_Enemy_Ex_X_Less_L1
% ~% G9 L E( {/ S1 G3 K2 g! |+ Z - LDA Bullet_Z_Pos,X+ k! b( U" c) D K# p
- LSR; g; H+ {. [: ]. a1 |' N
- TAY2 A. B) r1 Q! q4 W* H
- LDA Bullet_Speed_Data_Ex_R,Y% c- }& g1 j4 I3 P% _! O# T
- STA Bullet_X_Speed,X" [/ N3 z' U" Q' n, C# f3 Q0 ?# R
- RTS
. f0 `* X7 ~9 f+ [' A$ i - Track_Enemy_Ex_X_Less_L1:- Y" Z: z8 D4 J D
- + Z! E6 h) D5 s
- LDA Bullet_Z_Pos,X! {+ y4 H6 N/ ?4 y) K/ O( S
- LSR8 V% j0 H3 ?# W5 ^
- LSR& t& l: m* l$ H. P- l& z8 m
- TAY
5 P t5 p0 X0 L; H6 Z2 ?+ B - LDA Bullet_Speed_Data_Ex,Y) c( b7 B6 f1 ?: ]: j1 k
- STA Bullet_X_Speed,X+ A; a# ?5 \7 y }( H0 y3 g
- RTS
; ~0 y- `9 C4 B9 J; { - & d4 M3 v' Q- b1 C/ H5 r6 J1 R
- Track_Enemy_Ex_X_Less_End:
4 N$ f5 a2 }+ e) f2 V - RTS
1 `" i# }; C' ]$ c: P) }9 n
% n# ]4 o! ?! V I- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
8 Z8 q. x* E& c. ] - CMP #$03# m1 f; U- W, G5 ~- P
- BCC Track_Enemy_Ex_X_End
$ k3 Z1 O5 v8 M3 I" ]1 e4 f - LDA $6020,X
! o3 w. x; ]( D/ t- k8 m - CMP #$2A1 X% z$ n* i8 K5 Q
- BEQ Track_Enemy_Ex_X_Greater_L1
! n5 F3 A8 L5 l! C7 ~ - LDA Bullet_Z_Pos,X( c1 b. Y' o% {0 m/ k1 p
- LSR; }9 t- p9 ^' H) x' h2 T+ f3 S+ p
- TAY
# S0 `: V3 w, V, | - LDA #$00
4 s$ U5 k, T) V7 c& g6 e - SEC0 t( N9 I! X; G( V! I% s% p
- SBC Bullet_Speed_Data_Ex_R,Y/ o; U0 m; r' \4 A ]
- STA Bullet_X_Speed,X# W3 r* t5 Q4 e/ J. z9 {- C
- RTS7 w6 W9 X& n; g% ?4 b0 n$ G# X! T# S
- . C0 S) j4 ~- |; J- B2 l% d" }
- Track_Enemy_Ex_X_Greater_L1
. t: _" N" V& q0 E. o$ I - LDA Bullet_Z_Pos,X
' I; q% R. G# ` i# m. G - LSR1 U8 ?9 z0 u U& k" w( ~
- LSR. g7 Y6 a, f; L; p& x
- TAY
* Y; g; V' x1 b1 T1 V" u+ H - LDA #$003 j; C% i: Z+ y& A
- SEC
& O& d# C6 g: H1 q/ j5 J0 d - SBC Bullet_Speed_Data_Ex,Y8 T0 `2 i6 i) I+ X4 q' ^
- STA Bullet_X_Speed,X& \1 @ T8 W1 C5 `% W
- RTS. R" \' i6 z+ l( {6 o# p
- 0 _" y) a" z# \: j2 ~/ U/ i
- Track_Enemy_Ex_X_End:' I' J; G0 T+ j7 Y8 m1 ^8 x9 o' _
- RTS
- G1 K$ k, K- O \' O1 |+ V - & N" c7 K' R" |
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
* _$ d) d6 e, k0 a& v. Q - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
# e' q, `4 B& p% i W' D - Bullet_Tract_Direction:) a/ N! k/ [* x, G8 t$ u
- LDA Bullet_Icon,X) a# V& g) z2 [5 r+ P: |$ b- U
- CMP #$23% A, K6 q0 S! D: `
- BCC Bullet_Tract_Direction_End
# l* z1 a6 T; i1 R: F - 8 E5 U1 w- S$ ~8 V* S) X$ l
- ; X != 0
. @8 x+ U0 k; O" ^1 e' n5 v - LDA Bullet_X_Speed,X
! g: G& {+ ]* d6 U - BEQ Bullet_Direction_V9 c/ v1 \& B9 Z' u* r$ _% z
-
. P$ E4 _4 V: D& @! [ - LDA Bullet_Y_Speed,X
1 K$ a1 g! E' W# c% `( e - BEQ Bullet_Direction_H
. o( V2 q: \7 }1 t8 n% V# D" j6 c -
6 ], |% W6 r8 n" [" M - LDA Bullet_X_Speed,X K8 {$ r& T% G
- BPL Bullet_Tract_Direction_Right
0 y" f3 ]& f. ?. L# m: b7 r - Bullet_Tract_Direction_Left:
" H& X* D+ B* l9 P2 w& U7 y0 y - LDA Bullet_Y_Speed,X# R2 s' m4 o0 E4 h8 V; W h
- BMI Bullet_Direction_Left_Top
( L7 S, F% X: f4 I- Z+ p - BPL Bullet_Direction_Left_Down: x6 m; G5 A: {+ M0 |3 B- Q! n
- Bullet_Tract_Direction_Right:
" i5 {8 {" t) l - LDA Bullet_Y_Speed,X6 R, F( ]% P4 b# ]" D$ e
- BMI Bullet_Direction_Right_Top3 j* O5 U u; r
- BPL Bullet_Direction_Right_Down, s2 c4 n& a8 T+ A6 d+ d6 O
- Bullet_Tract_Direction_End:4 ?" A, W- m) B. ^( i
- RTS+ `8 F: G5 S: g. c* w8 |
8 V* y W4 j5 A1 f+ J' r3 {- Bullet_Direction_Left_Top:2 }& v2 Z& s4 n" ^- q3 Z' h
- LDA #$25" W* ^- e1 r9 |: e/ ~
- STA Bullet_Icon,X
! D, D+ F8 ~" p$ ]" { - LDA #$C0/ G. R& u2 U0 U, ?4 m+ S
- STA Bullet_Direction,X- a, M8 s% H) C' z% C( p! j
- RTS
$ d# d- X, Q* J( j6 l$ k; g; Q - ; r: ]+ b( h0 F" C r5 F8 s ^
- Bullet_Direction_Left_Down:; u; W5 Y0 c1 |9 `
- LDA #$25
+ O0 o( \& b( J/ k - STA Bullet_Icon,X
Q( X# q8 s8 p - LDA #$40
. U5 G* g/ p/ r/ E - STA Bullet_Direction,X# n& p) a9 W& [* k( l
- RTS5 R% u; R9 t4 J& T
8 g! b1 x7 m# d$ s ~% I- Bullet_Direction_Right_Top:
6 ~5 r5 Q* [ A5 n2 I8 u/ H# V) F - LDA #$25) I' _2 T: S' R, h9 T& P! V' [ P
- STA Bullet_Icon,X
" K" s3 K a4 C5 l2 R4 q+ Z1 T - LDA #$80( ^% o4 d7 u$ T7 Q7 q: v
- STA Bullet_Direction,X4 ?2 g" C J* A2 a5 x: _
- RTS5 Q" Q2 o) z+ J& A
" Z2 e$ b4 W* J) L- Bullet_Direction_Right_Down:
4 L" L4 R' i! s0 z X% q - LDA #$25
( o+ m) F7 k' {! N4 o - STA Bullet_Icon,X' C) ]% Z/ f4 |
- LDA #$003 v/ ` _7 I3 f4 u" P
- STA Bullet_Direction,X
8 I# F5 _- O% d- ~+ r) U - RTS: q3 j; _3 k3 [; l. K
- 1 c0 `, |, B8 K: G' D: J$ t. I0 o+ c
- Bullet_Direction_H:
: a1 ]$ x, i1 S; c) e+ O1 A! F - LDA #$24$ x& y3 j0 a7 P9 }+ h, D v/ l
- STA Bullet_Icon,X
$ ^- o/ W1 _7 _ - LDA #$00
y4 r$ `, C& g8 q8 \ - STA Bullet_Direction,X* Y8 O' \- K3 Y
- RTS
. X/ p- D7 o! n
7 G7 T( W& I; u& B- Bullet_Direction_V:1 d6 @2 N( K3 e4 f; B$ z9 K8 e
- LDA #$23
9 I+ f0 K% u ^- i8 u - STA Bullet_Icon,X# I7 Z& f1 O- o: o1 n, M
- LDA #$00
: K$ E4 x, w: i* H6 o! n& ` - STA Bullet_Direction,X
7 ]0 r; s) y2 n2 } c- z9 E$ f - RTS
4 c+ l8 B5 C4 ?6 K$ t& ^. e - 3 p% v; M! C4 r; d
- Bullet_Speed_Data_Ex:
$ ]& T, z+ q0 w& k; @ - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$047 Q- W9 ?+ L# G( H3 O
- / K) x; z# t+ H7 |0 R& L% L
- Bullet_Speed_Data_Ex_R:7 N8 L X& Y4 v) _: i0 r
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08; @$ D/ v. w' `# f
-
复制代码
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