|
[FC][魂斗罗][J][追踪弹]
+ @5 ?) g- }1 z7 C: X S u; I; D
! C! A6 k- a8 c$ o; e5 a/ }时间:2023.04.30
8 Z/ D6 b/ y. t, \9 g0 ]作者:FlameCyclone+ d( o. Y9 V8 _: _" L, M" T
内容:
1 N# T0 I$ p* z2 T1 C; [ 1. 所有子弹追踪敌人5 d5 y# E9 h. K$ X2 ^ Q
2. 选择键切换武器* @0 X; l0 a+ }3 Q7 X
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
" c' m5 C! m; A1 v
* H! |$ H2 H! J% A) cflamecyclone.ys168.com6 F7 F, K) x6 y
: _$ }6 P' U" k! x
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
. t2 I/ h! @, j$ x& }* D# T5 v& u - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L$ ]3 n! F" L" N& i! z/ 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)
& E, P+ ~) Z5 B4 I2 e1 c, Z - ! [4 p8 d7 V- |+ y
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)4 @/ U0 c. o8 Q$ B' f9 S- X$ E
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
2 k6 c/ @6 `& P. b4 w. [; L6 | - , D n( R$ `" \( H: h1 D
- Track_Enemy_Index = $6000
0 {1 D3 m* A9 q1 U* H# C - Enemy_Index_Begin = $6010! `& C0 l0 k; K, Y0 \
- Enemy_Index_End = $6011
0 M! {" Z9 \% ^/ z: h - ) L+ F" N7 O' p6 R
- Loop_Index_I = $6012
' `, i. x2 g- E5 d( { - Loop_Index_J = $6013
4 H' s T5 C1 D% a( q o0 R" m - nEnemyIndex = $60149 Q+ _( k: p9 M/ h: x% y6 w
- Data_buffer = $6015
6 p+ k$ e/ a# I: x" [8 L- L
! r1 X: l" v# Y) S- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
, `# P$ G6 A+ l4 ~/ O2 x& p2 T# T - Bullet_X_Pos = $03C8 ;子弹水平坐标
( a5 j4 q0 h& p3 N7 e) S0 e - Bullet_Y_Speed = $03F8 ;子弹垂直速度: T1 z7 ~, L1 y S' n% |3 c$ R
- Bullet_X_Speed = $0408 ;子弹水平速度
, v2 t2 s& C* o8 J; R9 \! ^ - Bullet_Z_Pos = $0418 ;子弹Z坐标5 Y* {' Z! j0 ?7 N; _
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P# ]' h9 ^, b, y" ?
- 8 C' m# i4 H0 ^( K
- 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
" S9 V! w1 g5 W, h5 D - Enemy_Blood = $0598 ;敌人血量9 I& r. y0 _. g# E# o9 o/ |
- Enemy_Type_Addr = $0528 ;敌人类型
; [$ I+ |. U$ b- P1 U - Enemy_Blood_Addr = $0578 ;敌人血量
1 a4 |! j+ ?, a7 h - Enemy_Y_Pos = $0324 ;敌人垂直坐标
3 \2 _! ~) I& i+ ~ - Enemy_X_Pos = $033E ;敌人水平坐标( l+ E+ C4 g2 a
- Enemy_Y_Speed = $04E8 ;敌人垂直速度/ Z, _! b# \3 r$ y1 a
- 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 l( W. _7 b: e' A! O
- % H5 S. S l3 m A
- Enemy_Index = $83 ;: j7 n$ i3 H# ^+ H
- Time_Count = $1A
5 T7 w% e' @- b; P( B9 t - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
; N J9 V3 K; k( y- ^6 m8 g( t - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
, z- C7 `: c7 K3 Z# ?. C+ G - , r2 D- i% t$ w I2 I
9 Y! x8 X+ q0 z" H2 L: s& Z- .ORG $6100
' \: I$ U$ H n) z$ S7 ?- f - Process_Begin:
8 w+ X1 n: W5 e/ T - JSR Enemy_Check
+ t$ D& E1 \1 Q2 o - JSR Track_Enemy_Check
% t! t; Z! E3 ^4 q - Process_End:
% ]' l4 e0 S4 D$ W% g. n u - JMP $E54F
: d8 ?% P! b% ^7 x) E+ B
+ c# A# g. G( w1 o; k- Enemy_Check:% a. l" {7 |/ t3 T
- LDA Time_Count
G( P# l" y" u, x - AND #Track_Bullet_Speed
- G- a8 j7 R$ Y+ r- c! y3 e: s - CMP #Track_Bullet_Speed- Z. u! x0 D" ~9 m
- BNE Enemy_Check_End+ S7 u1 J3 a1 O9 p! W
- LDX #$0F9 q+ f+ j4 \9 l7 C1 a7 p; i8 q
- Enemy_Check_Begin:. T" E9 K; q. X. E7 x
- LDA Enemy_State,X; r9 F$ p! T$ p, _; F
- BEQ Enemy_Check_Continue6 C! C/ I0 W4 l
- STX Enemy_Index+ J2 k+ `( x, J" z
- JSR Find_Begin_Enemy6 L' g( D3 L$ X, F+ R- s' y
- JSR Find_End_Enemy
|; T. B* e) Y7 @ - JSR Bullet_Track
* L2 z, S3 R5 ]8 k& V -
7 ]# M. K1 b- f* i - LDX Enemy_Index! g/ r0 ~. n" {6 V" |* B) j
- Enemy_Check_Continue:
7 P9 |4 o0 [1 a! v - DEX* R4 T' w' V3 o& H( C3 j* J6 W
- BPL Enemy_Check_Begin7 v& o. g; x) M7 _
- Enemy_Check_End:
4 _0 ~$ @& i5 {6 f( ^ - RTS( ~+ {9 b n ?9 m) }
-
& [5 T) L' z X) `3 C - Track_Enemy_Check:
, F) T: Z1 W. i) Z! B - LDA Time_Count
2 N9 x. q4 U& `2 P: S - AND #Track_Enemy_Speed) h9 I# B% a4 W% m, z
- CMP #Track_Enemy_Speed
( [/ ^: b0 C; l0 ~2 @5 D - BNE Track_Enemy_Check_End3 |4 L9 c7 ^9 ~6 v! I8 b- q
- LDX #$0F8 u9 |. T. N7 ?' S& t
- Track_Enemy_Check_Begin:
1 r3 K) w) N7 m& _- B/ r) i/ p" D - LDA Enemy_State,X6 J5 _: A. }& C0 m2 j1 s4 _
- BEQ Track_Enemy_Check_Continue
/ y A, U( d) d0 v - STX Enemy_Index! S* K5 H6 [- \, V5 f4 `
-
/ ?9 ]$ i% r9 t, x3 W4 a3 z - LDA $40
3 y3 j, }$ M" D- s - LSR
' [) c( y/ R# W# P - BCC Track_Enemy_Check_Begin_L1
K- v, A! `, N' n) L& S% J -
+ t; n0 ? ^1 |* }$ \* W- E' J - JSR Track_Enemy_Ex ;2, 4
! S( ]' k) R/ A: [# o( M8 k$ k% u - LDA #$00* p- i+ e/ D J8 b: g5 ?
- BEQ Track_Enemy_Check_Begin_L2
0 S( }7 u5 T8 p+ R" q% K - / q6 v* `# e! Z! t; l7 \
- Track_Enemy_Check_Begin_L1:
4 m6 ^7 ~" g U -
6 n# ?# [- P" L( \; F( F - JSR Track_Enemy8 E" A( w/ P3 n' g. h
- ! K9 ?4 ~7 b! e+ E2 z
- Track_Enemy_Check_Begin_L2:: W! P0 f, ^! z6 Y1 o2 N
-
+ R, G1 B9 [) S/ A - LDX Enemy_Index
' B, `" s% ?/ d' E; M - Track_Enemy_Check_Continue:# D& X# k, I6 D2 P" `
- DEX' d2 F, P) Y! C4 z
- BPL Track_Enemy_Check_Begin7 V( Q+ e. F: W4 {% `( a& a
- Track_Enemy_Check_End:9 R4 k3 S6 I ~" @
- RTS/ T R% b, i6 k. Z
- 9 S" j- a6 N5 e4 I( K
3 n/ m' p" S1 Z1 _% _- ;查找第一个敌人
) S: @! e' G- \% o6 F+ K - Find_Begin_Enemy:
& j/ {6 y5 m+ g& `9 o! k P& _1 l! Z - LDX #$00
3 u9 k& S3 @& l+ x& S- r - Find_Begin_Enemy_Check:! Z7 _# ~0 K% e3 `' ?0 r2 b
- LDA Enemy_State,X
/ [. }' [& N' L# x* {# X2 ] - BEQ Find_Begin_Enemy_Check_Continue
7 }8 d- f7 B) ^- ]1 s/ r+ p7 X4 j% T - LDA Enemy_Blood,X. p8 f: t4 p" P
- BMI Find_Begin_Enemy_Check_Continue
8 Q: s- |: r- h# J8 S7 S: s - BNE Find_Begin_Enemy_End
' d1 V: o% y! }( Y& N" ^& Q3 r -
! D, }1 C% Z p6 j! G; u% E @ D - Find_Begin_Enemy_Check_Continue:* d' i& N. L# e$ m. }3 M: D
- INX
8 x# I- [- u. x2 ~ - CPX #$103 H% Z0 A+ I9 y" N$ V3 p+ S
- BCC Find_Begin_Enemy_Check: u5 l: o9 t( h
- Find_Begin_Enemy_End:9 h" g3 c- p. l# H
- STX Enemy_Index_Begin
$ Y. ^, `7 M: K# p$ a! g8 S - RTS; ^1 s" E) e) ~: [6 W8 S$ k, ?5 b( s
% {* G0 K7 y, T3 c+ `, S% N$ S- ;查找最后一个敌人
- \. ~* a# D; q) J+ [0 b, K5 v- B - Find_End_Enemy:- H1 [4 ?; H+ C7 R* d% T7 B
- LDX #$0F+ n5 b- r# D+ w) |# M
- Find_End_Enemy_Check:
, e1 q4 p: `7 F" I9 r3 [: q - LDA Enemy_State,X
. p# C. Z, h; ? - BEQ Find_End_Enemy_Check_Continue
! B9 O# A' a" H - LDA Enemy_Blood,X# L* p' r ?; \) b) j9 M1 a
- BMI Find_End_Enemy_Check_Continue
1 S3 G! K' I% D) R" f2 p - BNE Find_End_Enemy_End
9 @) G0 T) R4 b' v: y/ K$ i% E* j9 I -
* n; x$ Y/ Q4 f/ K& U - Find_End_Enemy_Check_Continue:; ~; i# Z# w! @# Q% G
- DEX. x8 k/ z+ {# \- u6 k* y- X5 J
- BPL Find_End_Enemy_Check
9 \) j' {7 T3 x. }9 r# t9 B - Find_End_Enemy_End:$ W( f" _( E# z' X
- STX Enemy_Index_End
, u; `6 M: r) } - RTS# [! t" S# E. ] C
- - t& `% d* }+ G1 L; D
- ;子弹追踪1 H7 |6 E# l4 u7 b6 I$ q
- Bullet_Track:: ?$ y+ m: Q' M- L
- LDA Enemy_Index_Begin
, A: y1 I# ^5 X; e4 h3 U3 r - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;# O: t6 t4 g1 N6 A) q0 c
- LDX #$00 $ t0 f4 C3 X& E8 I3 p: L
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)1 m5 @. z" f: |. j
- LDA Bullet_State,X
2 G7 u# {8 P6 T9 p) D: O; y) m7 p - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;& B3 i9 |9 _, E9 f) Q
- STX Loop_Index_I1 f5 K1 Y3 }! R
-
! r# E8 b& @0 B+ ~) q9 y - JSR Bullet_Track_Enemy; L8 @: i4 _6 q7 _
- JSR Bullet_Tract_Direction
9 E5 Y m/ O4 b -
- e$ A/ T, f7 B+ 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( X4 |5 B) B) r5 q/ ]
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin; A, _6 U9 b B, M
- LDA nEnemyIndex
P6 e& `& R6 W. f6 G+ I. r2 D; ~1 [ - CMP Enemy_Index_End
; c2 r7 c' G- _* Z9 q1 J6 s8 O - BEQ Bullet_Track_Check_Continue$ L( o7 r$ }; {/ r3 M) a
- BCC Bullet_Track_Check_Continue
6 u" _! q q: P+ Z+ H - LDA Enemy_Index_Begin
: k9 ~, ~$ v1 L) D9 { - STA nEnemyIndex
+ p s7 }% V$ B- E -
+ N+ g7 R2 m \! L - Bullet_Track_Check_Continue:
( o; B! i' } c3 d9 r0 o* v0 L - LDX Loop_Index_I, C; e, |& [* S9 ~
- Bullet_Track_Check_End:
9 C( D$ f" L7 P2 \, M1 F - INX
9 n' _4 f3 {4 ~3 j- A - CPX #$10
( K6 m% @+ ?! |, e0 s: w- [ E) O# ~ - BCC Bullet_Track_Check
$ t% {% l6 c: } - Bullet_Track_End:# B! b4 r5 d& b) t2 U+ k1 P
- RTS
7 j- r6 {( l4 F% l: R; | -
8 }; M+ D0 A7 C" _ - ;给敌人分配子弹8 I' Z9 q! @" Z+ f2 E8 c
- Bullet_Track_Enemy:% W5 I' i% Y$ i# b
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)6 ^6 ~' D% j7 E" B& E9 ?0 \
- Bullet_Track_Enemy_Check:
9 Q |1 w' Y9 S$ O9 ~ - STX Loop_Index_J( S( o1 v4 k6 n7 ]* G- [9 e2 ]
-
9 E* R/ P9 N7 P - ;if (0 != nEnemy[j] && -1 == nTrack[i])
5 u3 Z- C0 I4 N% @- E - LDA Enemy_State,X$ J$ Q# p* f5 Y, C5 V
- BEQ Bullet_Track_Enemy_Check_Continue8 G; _5 z* V m- X$ o) V0 x1 ?
- LDA Enemy_Blood,X) l! a; H# d+ L" n7 Q; k- p+ W9 G
- BMI Bullet_Track_Enemy_Check_Continue
* a* Y: h! j' z8 c -
3 H. c T `3 r' ~) P - LDX Loop_Index_I1 {: u, F, v- P+ C/ l# r
- LDA Track_Enemy_Index,X% O' |" t- Y7 D9 m- R
- CMP #$FF
) {5 i" T* d" }6 D0 X+ K6 x - BEQ Bullet_Track_Enemy_Init/ x1 C3 {. i4 o/ U# D5 ]6 Y
- " ?0 p a+ P; h4 x* [$ _; f6 d* S/ ~
- Bullet_Track_Enemy_Init:
1 ^6 ]1 {' s: @! \* _% H - LDA Loop_Index_J
0 \4 Z+ t6 [9 W% j2 c( \ - STA Track_Enemy_Index,X ;nTrack[i] = j;) l7 t5 _) b; S5 U
-
) J& n4 {& C! B$ a7 \. C - STA nEnemyIndex6 R+ W! y' ~% d" n: o
- INC nEnemyIndex ;nEnemyIndex = j + 1;
# H0 a( z, c7 y1 u7 m - RTS ;break;6 f- a9 F# ]1 ~; R1 C, f- k
* d; S" @+ E! L- u }1 m- Bullet_Track_Enemy_Check_Continue:& h$ V7 f1 z9 s) y8 Q+ K
- LDX Loop_Index_J
5 X' i( |/ h! \7 Q - INX ;j++1 t+ i, s! L& @" V, e
- CPX Enemy_Index_End8 Y8 V/ I; n: e2 q/ e$ u
- BEQ Bullet_Track_Enemy_Check% i/ {. y' r4 O
- BCC Bullet_Track_Enemy_Check
" ?+ |5 q4 n. T( `+ G - Bullet_Track_Enemy_End:
# k! v* s7 x. {8 V. G - RTS4 v- D: b. B. W* c3 @3 h
% b: O4 I4 V4 M0 u/ @$ b$ [6 Q- Track_Enemy:, B u9 n5 L# P3 f( r- }
- LDX #$0F
- q, G: J8 W, i# ?" W% w9 t0 h5 g - Track_Enemy_Begin:0 g. r) g4 Q) c" ?
- LDA Bullet_Icon,X
1 E4 p8 ~! L' B+ g* [* f - BEQ Track_Enemy_Continue/ A; V# X$ ]: y W
- LDA Bullet_State,X+ R- E7 M7 G; Q# i. h6 B N# c1 h
- CMP #$01
; U/ V8 C; h" f- _ - BNE Track_Enemy_Continue
R, `1 k; u0 M A. z -
# p$ Z3 e: v! x' Q4 b( P - JSR Track_Enemy_Process
5 g# p% T; c" Y) Z6 s- W; `- n -
) N: a, l: h6 ]9 w5 A/ y) t - Track_Enemy_Continue:, H& N X2 L5 ?+ Y' q+ O
- DEX, \, v# i& C5 o0 i! V
- BPL Track_Enemy_Begin
; a* P7 ~. f9 O2 j, l6 W - RTS( m) A( l8 r! @9 Q" D( }6 A9 Y( i
9 [8 X* r# [$ l- m' f% _( H9 {1 z- ;普通关卡
$ L/ P% y, S) p P9 t* @6 \ - Track_Enemy_Process:( ~: B) Y' p3 N" X0 Q! Q
- LDA Track_Enemy_Index,X( x* t2 u! A9 F$ H( J
- CMP Enemy_Index
h& B- t$ b$ G9 M: p - BNE Track_Enemy_End( G3 b9 c* {" T1 L: _
- LDY Enemy_Index: d& e0 G2 N* S- H6 x
- JSR Track_Enemy_Y
! i7 u: X4 ~, ~; B7 u1 w5 a3 |0 m - LDY Enemy_Index* l% V+ E& C( X( Y( U% L
- JSR Track_Enemy_X
6 I8 s" ?% f/ ~ - Track_Enemy_End:/ }1 Q2 C3 g& S
- RTS
1 f7 V: N" o0 C1 w9 O4 T; l -
2 C6 h E" T3 V0 _: h1 u" ]5 x- b - Track_Enemy_Y:
; c& I; R% ?% O - SEC7 d0 a5 _# y# k& F0 G$ t
- LDA Bullet_Y_Pos,X) x$ G6 t2 G2 h6 V3 Z3 p/ M
- SBC Enemy_Y_Pos,Y
. U; {7 m* n9 u& \1 \ - BEQ Track_Enemy_Y_Equal9 _6 O5 }1 ?* ]( i0 |
- BCS Track_Enemy_Y_Greater7 f- O5 [. l r5 c+ p
- 8 C! d8 G6 [% R' T7 h9 q
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
% b/ z7 z3 x% a3 B - CMP #$FC
; j0 `- k+ a* F1 i - BCC L1_1
. d# n, y- y& e! I/ F' z/ p - CMP #$FE
+ S# `$ s8 q4 H$ _ - BCC L1_2
5 S N# \4 N3 A3 f - LDA #$00
* U3 M8 }5 w+ [+ [) y% H. z - STA Bullet_Y_Speed,X/ J7 t% h) Y' N0 s; k* `
- RTS
; j! e2 u4 E8 A$ L* p& r" g - L1_1: & h7 ^' }& x# j4 e( s* B& d
- LDA Bullet_Type,X7 g5 a5 _! D4 d" V" @' F( I
- AND #$0F& ?9 e/ p0 p& m2 b/ o# x; v$ @5 w
- TAY! ] x l t& v' g
- LDA Bullet_Speed_Data,Y+ @3 ?% P. r; z* N, l
- STA Bullet_Y_Speed,X
* z& d& {- k( N3 M( D - RTS
1 s V1 }& y9 R9 h6 X9 P
8 Q0 ~# e2 V4 W$ b! Y4 i! N- L1_2: 0 X1 Q& u. d, E- r. m' n& n
- STA Data_buffer
3 t4 ^. }9 T) S5 F- j - LDA #$00- C( i, u+ r9 S7 N2 M$ A( v
- STA Data_buffer
0 a" a9 B& G1 ? s0 p0 s - LSR2 R W; t* R: | P) B
- STA Bullet_Y_Speed,X7 Q$ [% ^" X& v. {
- RTS
7 n- q5 N! z# P- n! \/ G
& P/ f6 D" E2 N; h! @. Y" U- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
& q; x$ `( {$ o" ?5 U1 _- b - CMP #$04
?. p* N. g% f$ O0 v - BCS L2_1
$ n* t% X6 F$ D; q& ?6 p& d _: M7 r - CMP #$04
9 A3 x$ U! I4 u( }: } - BCS L2_2
, Y- h' H" N& V- V1 }% y5 R7 d - LDA #$00% Z: u" C. m; ~. c1 l$ ]: ]7 o
- STA Bullet_Y_Speed,X
* l5 d& }2 K! P! \$ K - RTS
( c. F' e' `: l' H* ?; d; Y, k -
" y, G6 ~1 h8 T - L2_1:0 v2 |0 U \4 c- F( R
- LDA Bullet_Type,X# x2 C% \% J6 r3 l
- AND #$0F$ ?$ _8 P* Q$ w0 o3 [6 [, B
- TAY
+ F+ C; N; o( c+ q/ D, V - LDA #$00& u* s9 W0 H0 f' {0 U
- SBC Bullet_Speed_Data,Y
6 e7 `; A! E `0 ~7 ^ - STA Bullet_Y_Speed,X' s6 Y* s; W6 p' {$ h! w
- RTS' x8 u+ ?( w% _! v; _4 [8 z! r
-
3 z5 \/ z# X0 a, s4 `% ] - L2_2:
9 B' P" I; \3 T1 c - LSR
; \6 H* |0 C% G. n/ k - STA Data_buffer" p) f+ y- z7 r5 g$ c6 d
- LDA #$00/ Q$ T' g; H- |
- SBC Data_buffer* g( I4 m- s6 c7 l- s
- STA Bullet_Y_Speed,X
3 E2 G$ r3 o% `( F7 i1 R - RTS- z7 i/ L, l' }$ Z& G
- % e$ W/ `, Q2 y
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y; w+ E/ f" R9 P1 ]
- LDA #$00
* O5 P9 \7 P) R" k' k# Y - STA Bullet_Y_Speed,X
* t& Z( K) Z' f6 I6 e7 O$ i - RTS" n& B6 x& C* i' K8 h
- ! Z4 k8 l5 y( p! R8 Y
- Track_Enemy_X:
: h! I4 Q" X8 p9 d: Y5 V, S* b - SEC: x, y6 l) e' M
- LDA Bullet_X_Pos,X
% n: Z; ]3 f: W1 I8 `6 l+ m - SBC Enemy_X_Pos,Y0 c" H! }" i( e
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X; t$ N0 f$ Z5 M* [2 c9 M
- BCS Track_Enemy_X_Greater ;子弹在敌人下方8 D9 n) U6 V( h, j( D1 X
- . Q* _+ V9 O. L) j+ ]- m4 O
- Track_Enemy_X_Less: ;子弹X < 敌人X: A5 q9 V) T; P' d1 [2 h! F
- CMP #$FC. w: I0 {# j4 k6 E$ A
- BCC L3_17 O- h; G1 B$ H1 e. l: \9 u
- CMP #$FE1 c; K Q+ f# L# z
- BCC L3_22 n8 b8 S" L9 d6 W4 O7 D0 Z
- LDA #$00
" z' ~+ M9 \( e% g0 x9 c - STA Bullet_X_Speed,X
& R8 n' Z+ `0 Z b - RTS
$ D& z! G0 `0 y7 q - L3_1:
# }2 r& P6 ?( ?4 ^ - LDA Bullet_Type,X
% X F. }" W- J# _ - AND #$0F
/ ~: j, O y) G$ T7 s* Q# }3 d - TAY
. o% i/ E% |* B: N) D- X f( T. s- ? - LDA Bullet_Speed_Data,Y
7 z( Y1 ^, `4 n! ^7 d - STA Bullet_X_Speed,X; ?6 Z* e: L1 E5 i' c/ \
- RTS% s2 @! n; J. Q. ]$ ^8 S. @3 E
- L3_2: & B+ Z3 p' b; ?6 r
- STA Data_buffer
E x" M5 s0 o6 q - LDA #$004 M5 R4 _% e" p
- STA Data_buffer
/ a7 I- D2 }# P9 s - LSR
( U7 F$ e& {# T* s d - STA Bullet_X_Speed,X) }- t/ a, C' a4 y1 w0 E) y
- RTS: A# ^) {* \$ ?% m& L! i) K
- , Q1 b+ L- [# t! k: M% L: H9 \# E
- Track_Enemy_X_Greater: ;子弹X > 敌人X
4 b$ Q; {6 }' q- ^( P* | - CMP #$040 O( N* F9 \! _6 }
- BCS L4_1
* k$ Y( q* `4 U2 X0 ~; v - CMP #$02
& p& S+ J# z; a; [1 R4 \* X4 { - BCS L4_2
* A' S# E9 Y0 }. C2 l# s - LDA #$00
$ W+ L3 u) y# U( l - STA Bullet_X_Speed,X8 ?7 g) w7 n8 B0 U4 Q7 s6 H: \
- RTS. w; @2 p1 g! L. M2 }
-
$ N2 _) ~1 b1 q# f9 c9 P" |0 e - L4_1: / a0 f8 }" x7 [& H* Q# C
- LDA Bullet_Type,X
2 z- {: T1 j; g9 Z& L, f - AND #$0F3 X% S8 L2 j2 R
- TAY$ Q7 V1 r, t+ _4 M5 A( X
- LDA #$000 ?1 o" m' a% O: C# h9 z" L1 K& v
- SBC Bullet_Speed_Data,Y/ M* Q8 }9 Y5 [% q8 p& C, B% Q
- STA Bullet_X_Speed,X0 Z' r: Q( B) x& }9 e/ S/ @
- RTS9 I4 A, B% f# g+ L9 F
- L4_2:
4 C+ [. f. d5 Q - LSR
0 K$ a& |' B+ S$ p3 ~, K - STA Data_buffer
* S y0 q. D4 N2 o. ]% ]6 o - LDA #$00* R7 g# D9 I! V: V6 i, e- R6 a* R
- SBC Data_buffer
# {! X" P/ o' ^: Z% Z, i - STA Bullet_X_Speed,X |1 c2 n8 ~4 n
- RTS+ ]5 q8 c1 m# v/ n
-
* J0 Y$ d" \* q+ R/ ~ - Track_Enemy_X_Equal: ;子弹X == 敌人X
) U. [/ @* a/ I, I% W3 _& q - LDA #$00
i( `8 X: Q3 J" m0 k4 E - STA Bullet_X_Speed,X
/ r" [ m' t! Z O3 I4 X' @ - RTS7 y. O' |: p0 p# |" y
- 3 \7 t5 ]( H. ?/ n
- Bullet_Speed_Data:
( w+ k) [7 i& p, A5 P - .DB $00,$03,$03,$02,$03,$03
9 ]3 H" w [7 B - 5 v; a; d5 O/ U3 Z
- ;2, 4关2 J0 C H; @) X; K/ q/ u
- Track_Enemy_Ex:
: g0 m! v9 L4 K A; ]$ P - LDX #$0F
$ @8 H/ E$ Y. u e: m - Track_Enemy_Ex_Begin:; H3 m5 I- t/ W; T. C( h
$ Q: |& U" b+ n; z: W2 j- LDA Bullet_State,X0 ]. [# q( o {6 q
- CMP #$019 d# \9 q: ~: u& M
- BNE Track_Enemy_Ex_Continue
* m: u* c' [3 x* M5 _* F0 s - % ]' B5 q5 T( ?; Q( [
- LDA Track_Enemy_Index,X
`0 b. ^( c; L' H/ B) F# B - CMP Enemy_Index9 H: K$ A' N; E0 a( w, P
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标- q2 m# {- R* \9 W. p. e6 A, G
-
4 ~3 V4 ^7 r; n \8 U% ]7 v - LDY Enemy_Index7 F; H- X: C" U5 R% u9 C; }
- JSR Track_Enemy_Ex_X2 g0 Y; J- d& h v
- 5 y4 d9 d t2 X: e d
- Track_Enemy_Ex_Continue:0 u; S( H( J L# }- \
- DEX
1 w2 T' F& h7 i. }5 T+ { - BPL Track_Enemy_Ex_Begin1 U, q& |2 B4 N$ ~3 e' w# x
- Track_Enemy_Ex_End:, j, T( V5 M* F8 V
- RTS& N3 Y4 Y% x2 p v6 X5 ~ x. B0 M
-
# k- D; Y7 X+ \+ ?) D+ N# z- p5 [ - Track_Enemy_Ex_X:
u p0 F' ~- c t7 r) a/ U. ` - ;LDA Bullet_Z_Pos,X* p: _; W9 b& G; c& B
- ;CMP #$042 n) Z1 ^; ^: B% |) q& I; M
- ;BCC Track_Enemy_Ex_X_End
' k# K0 D- A) | - SEC7 A$ p5 Q7 ?; {
- LDA Bullet_X_Pos,X4 k( N$ _# m2 }! O8 e
- SBC Enemy_X_Pos,Y
3 p& e! f3 z( J d& v - BCS Track_Enemy_Ex_X_Greater- |8 M/ f( A) p/ n0 s0 w1 M- E
- & Q2 P- L6 u4 a9 F
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
4 t9 A8 T9 W% E) ` - CMP #$FD
6 w5 B/ L9 U) E; N: v) e - BCS Track_Enemy_Ex_X_Less_End8 `/ g0 L4 |8 V! L3 B
- LDA $6020,X* Y2 x# V+ g9 o6 [7 Y* @' y
- CMP #$2A
: c0 o8 ]5 E4 Q; J, h - BEQ Track_Enemy_Ex_X_Less_L1! M6 T- Q; I5 F" J% d r2 L! O1 a
- LDA Bullet_Z_Pos,X" E. K/ ]* J0 q0 h3 t% R) {2 {
- LSR* D+ w3 K# ^2 D2 v) Z: ]
- TAY" B" e# n* e7 L' ^; L
- LDA Bullet_Speed_Data_Ex_R,Y
, P5 x. @% H: ^ k5 J- g/ n+ @ - STA Bullet_X_Speed,X
0 p, F9 u. m8 `$ f% K' }, n& W - RTS n* }+ a( q9 ^
- Track_Enemy_Ex_X_Less_L1:3 e: P; T" M4 x! h( K; T Y) L
8 d7 v! K8 ?: \* ?8 x- LDA Bullet_Z_Pos,X; `- [& U" }7 O
- LSR
6 B% J# h1 B+ T9 j2 Z' B - LSR; N0 H+ N f5 F$ Z& m
- TAY
' j7 u' G% w7 |9 Y0 C% {% \1 y: `. B6 L - LDA Bullet_Speed_Data_Ex,Y
/ s) L& y' s' Q8 e - STA Bullet_X_Speed,X/ ^9 x" [8 n l( Y1 `6 i
- RTS0 j, a, l2 n9 S* Z
-
; y4 w- z- T3 u5 T: G - Track_Enemy_Ex_X_Less_End:. E7 K4 b; D, b% c3 ]$ Z4 K+ C! Q
- RTS# V; y9 b w" t
- , a- [; O3 r9 ^( @
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
$ n1 B# I) x! F& x5 z! r - CMP #$03
1 O7 @3 [! t5 d' E8 q0 a - BCC Track_Enemy_Ex_X_End
, V9 W$ e2 Q% e1 L, K1 C - LDA $6020,X6 i p; @9 n7 o/ D
- CMP #$2A
z2 m6 ^2 w |# [ - BEQ Track_Enemy_Ex_X_Greater_L1
- D V* U4 w: _$ f) F7 l - LDA Bullet_Z_Pos,X. B% q" l/ X% P
- LSR7 Z( u i1 `. X; L" B9 F
- TAY
3 g% A8 ]( c3 O( g& w* o - LDA #$00( b0 H% @9 }. t; \4 _
- SEC9 T" Z, y, y( F c
- SBC Bullet_Speed_Data_Ex_R,Y, [; j7 T* T/ N6 d
- STA Bullet_X_Speed,X9 d1 k) w$ |$ d( q
- RTS4 l2 n) s) Q/ J4 O# F. b- \
- 1 R& c: c7 G( m# S5 h$ Z
- Track_Enemy_Ex_X_Greater_L1! j" r( f; S: J5 q6 n7 Z
- LDA Bullet_Z_Pos,X
& b. O# r8 i+ u- h - LSR
; u- m: V; T$ \8 w% r! w - LSR
, Z4 R, _/ f; a$ q' f; V - TAY! w; P7 V6 `9 F# H/ h. a
- LDA #$00
1 v3 S; a1 \6 k, ]1 \: f. ]0 ^4 ? - SEC; p. C2 Z9 @; j( _* E$ [
- SBC Bullet_Speed_Data_Ex,Y
; J% f7 x/ C3 o- i3 p! \$ e# F+ b - STA Bullet_X_Speed,X5 G0 w( I( u7 l& Q
- RTS
- M9 c9 q4 `; A7 N -
; l* G! Q( }' a - Track_Enemy_Ex_X_End:
1 ?" K w6 k2 |+ B- I$ S. R - RTS$ w' F% E) I" g
- + H3 s5 _0 l; I4 k: S N6 r5 t8 H% 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)
" M* @2 c% C6 O, |. p - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
6 y( r: U0 ~) U+ P' @8 p$ c - Bullet_Tract_Direction:
* M/ m/ z3 l% C - LDA Bullet_Icon,X& o9 r; z9 S! q" e
- CMP #$23
+ |" p# S5 a0 O% d8 j - BCC Bullet_Tract_Direction_End( s# H8 h8 Y& l) C) E- P) y+ }
-
& h5 k2 f, N- ^' }! C# l6 r2 X - ; X != 0
$ n$ i5 B9 q; }2 q- O+ m - LDA Bullet_X_Speed,X
P$ ?% ?5 ]/ G6 u! s- ~. C - BEQ Bullet_Direction_V' _0 O7 s# k! C1 C' }+ t
-
% U0 i9 f: D- X# r) i3 S - LDA Bullet_Y_Speed,X1 v N. n/ e# K! r. d
- BEQ Bullet_Direction_H
8 V# a$ H. \- n8 D% r" c5 T, q -
! d1 [, t8 i# Z3 E* `4 S) A - LDA Bullet_X_Speed,X
" s! Q# N5 w" K, { - BPL Bullet_Tract_Direction_Right4 g7 J5 [; X9 {6 }- J O" r9 T/ ?
- Bullet_Tract_Direction_Left:
" q# z6 Y. [1 @4 x1 @ U - LDA Bullet_Y_Speed,X. Z! ~* S0 x* l* g. a
- BMI Bullet_Direction_Left_Top; ?" c2 z; u0 U$ D. r
- BPL Bullet_Direction_Left_Down$ E* q7 g V1 j. y3 e: o T8 K
- Bullet_Tract_Direction_Right:7 [" c& D \; U5 H
- LDA Bullet_Y_Speed,X
% e+ D, ^0 l6 y# W5 y - BMI Bullet_Direction_Right_Top0 D: R3 ~6 ?6 G; M
- BPL Bullet_Direction_Right_Down' C$ l; v7 ] N. `
- Bullet_Tract_Direction_End:0 g3 X9 s, z5 z# |5 p
- RTS2 n/ F; @/ m9 p
! H: u; ]3 m6 I- X* [! J- Bullet_Direction_Left_Top:" R2 P: f; L& J$ s
- LDA #$257 d( o, d# l7 r4 F/ f- L; U6 ~1 S
- STA Bullet_Icon,X
1 ?4 Y* U4 `3 C K( c2 x5 v* X - LDA #$C0
7 H, J4 n# [& g* }7 g! w( z - STA Bullet_Direction,X7 Z) T- t9 c* Z# ~) O7 ]
- RTS! ^5 A; X% d: M
2 K2 \5 o4 }+ F- Bullet_Direction_Left_Down:- e. f. `0 N3 ^
- LDA #$25$ H$ P) f* ]# y( e* u
- STA Bullet_Icon,X
( B! P1 {5 C& t5 O M - LDA #$40
0 R T2 n! |, P, o$ o+ d8 ? - STA Bullet_Direction,X; s8 z k0 L9 `4 w+ G% j' B% z
- RTS6 c' D& z! V; d- k
- . i, P& \( [$ k% N0 h, c, [
- Bullet_Direction_Right_Top:
: ~9 i- s: P: {( Y6 G' ` - LDA #$25 L% z% t$ |. w7 e% u0 p% ~
- STA Bullet_Icon,X/ D0 ?- @4 y& I
- LDA #$80& w W t" \" X( a6 W. U1 m
- STA Bullet_Direction,X. F$ {: K) L' u" N
- RTS- c/ W6 a- B6 V9 H% Y0 y' p5 o5 K3 z
% G7 m1 `2 L7 Q) U- Bullet_Direction_Right_Down:
3 V& z6 h5 n* h1 f* m" a - LDA #$25* ]; `% L; O0 c6 ^% ?
- STA Bullet_Icon,X
& D& Y+ x% _7 M* V4 T - LDA #$00
" G R; p( W! p9 N1 w+ a+ Z. g: B* K - STA Bullet_Direction,X
2 Z- D6 v# }* ^ - RTS9 \+ N9 ^0 S( _ ^# f# M( ?
/ k, A4 t# p/ n1 d% \- Bullet_Direction_H:$ i9 \( {, Z9 N" Y# L6 K
- LDA #$24
. |5 [) @8 G. R) {' z! V+ [ - STA Bullet_Icon,X7 S& a; m& H$ G
- LDA #$00
4 o( P* X$ r3 Q, Z$ C) j - STA Bullet_Direction,X$ c3 l6 S/ u6 w
- RTS
" G" V( ?: D3 j - & U+ ^! ^0 m/ A; }/ p0 H
- Bullet_Direction_V:" L$ t L/ H& D# `( g p1 D
- LDA #$23
/ a! e( i, b5 g& N! O - STA Bullet_Icon,X. v; A6 n+ k& ` R5 W
- LDA #$00# X- a/ `, m" N
- STA Bullet_Direction,X
! Y* k$ O4 S' w3 h. Z - RTS
4 f$ w: m* ^ l H
" Q. P$ |2 s# b: Z- Bullet_Speed_Data_Ex:
- m/ U" Z! v0 Y& f* \, L- ], R - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
! R w, R, k1 ]; F- R; R -
7 j6 \ R; `. q. } - Bullet_Speed_Data_Ex_R:
7 r- K& ~4 v, d/ H2 v; W - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$085 B) H' c6 r6 u* H- z, k
-
复制代码
8 ?3 Y+ [' n3 x" X+ n# M% V" w# b
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?立即注册
x
|