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[FC][魂斗罗][J][追踪弹] ]7 |9 L1 l1 y) h; w/ B
0 q. W; C; J4 M% ~时间:2023.04.301 \9 F/ Y. J4 a: R2 S7 x' [2 _% [
作者:FlameCyclone
: e3 [" D+ q H ]4 ~内容:
& r- Z% q- |9 _" y" i) Q$ { 1. 所有子弹追踪敌人5 b5 v$ [5 o: e0 b' P% m
2. 选择键切换武器, \3 H3 f* m. y" l; R9 H* 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
0 r- M+ y% C& u2 ]! z% u! Z& ]3 j1 [" W7 Q3 g" P$ {
flamecyclone.ys168.com4 \ C c+ Q, l5 j1 S6 f, B' l, m

8 d n4 Y$ v# L4 @- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁) O: R# L1 d% T5 H. x- k6 J
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L2 j' r8 v2 i$ t& a6 Q$ w* j9 [
- 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)
% [% }* g+ J. V& H5 l/ L - 5 y! Y8 J7 @3 y. s
- ;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)
$ i1 [ Q+ ^% v2 I; | r8 ] - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上8 B. ^5 X/ n9 R5 s2 r3 f
- / o2 x7 `) Y( \% C2 L# G
- Track_Enemy_Index = $60005 f* a1 R, o1 O
- Enemy_Index_Begin = $6010
5 [7 t( |$ i- U - Enemy_Index_End = $6011% t( [# B6 }. t, ^' f$ I& ?
- 0 Z" l3 T2 E& ]+ B9 m
- Loop_Index_I = $6012, G+ k; D: V2 s+ y6 M# k
- Loop_Index_J = $6013% H; z" d8 b" E
- nEnemyIndex = $6014" |, j) P& d. r Y! ?: ]
- Data_buffer = $6015
8 ?+ F" L' f/ P* ~* h0 T
" n6 ~( j' O' P% t; N& o3 d0 h' L- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
2 A' m8 L/ X! o- J( B: f# N# ^ - Bullet_X_Pos = $03C8 ;子弹水平坐标' {7 o. N% E3 }* W( E- c- j" g1 f n
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
/ \; x- J" E8 I# ?2 i - Bullet_X_Speed = $0408 ;子弹水平速度 e* s% Q3 s. k7 h
- Bullet_Z_Pos = $0418 ;子弹Z坐标1 F2 G- c0 Y- ]# z8 o8 u! I1 a
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
0 e# B2 v7 i% J' c8 f7 w0 P - , A. K/ L& U! c# @5 u
- 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 P5 |. j6 E/ X* d, |; Z+ Q
- Enemy_Blood = $0598 ;敌人血量
( u; ?0 [+ A: l - Enemy_Type_Addr = $0528 ;敌人类型# f# q H0 f' U% V( ]
- Enemy_Blood_Addr = $0578 ;敌人血量' _& L9 y! ]5 A" W1 N; m! F& b( i
- Enemy_Y_Pos = $0324 ;敌人垂直坐标7 J2 _ `8 \; ?
- Enemy_X_Pos = $033E ;敌人水平坐标& ?1 U+ ]' d$ Q+ C6 p. s6 @
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
t( _9 L& L9 w6 M9 U( R6 d - 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- F) Q8 [7 [, t* c2 s
( f, [1 W* b* o' k" V4 i- C- Enemy_Index = $83 ;; N( w7 w0 Q1 g$ w. K2 ]1 |# ]$ C( l
- Time_Count = $1A
- R8 r" R/ J+ {; y# p - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率/ O, D; C+ U& H
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率. Z# @1 x' A9 E7 i" Z
- 0 O# k, N" }# C9 K
- $ c7 y2 U3 X8 N! w. a2 e" Y* y+ R
- .ORG $6100
) P2 v0 p9 `2 y! d& X$ r' B - Process_Begin:
; i V4 p% ^6 O) z9 y" F: e - JSR Enemy_Check5 E' J8 t9 p+ t4 N! z4 H* u, P
- JSR Track_Enemy_Check4 q6 T5 Y# T; ]7 R& L4 i: B
- Process_End:, r9 g- d7 {/ C( b, B" k
- JMP $E54F
2 {' y( ~$ W. G. t M
, \6 t$ G$ h+ k. `! Z- Enemy_Check:
4 N" \! x, [; z8 Y% L/ X - LDA Time_Count
5 b; h" ]% S) ]% u+ E0 _ - AND #Track_Bullet_Speed
& c( Z3 V$ o2 ?. R8 x8 d2 g+ V - CMP #Track_Bullet_Speed$ u# i8 W$ u' B0 b) b# l
- BNE Enemy_Check_End1 y& [& w% ]5 o& H6 P r; E
- LDX #$0F( L {+ Z+ A5 N& r L" k6 w
- Enemy_Check_Begin:
4 k$ T0 J$ A2 ^' b5 l) n8 d& Z/ m+ _# i - LDA Enemy_State,X% x" V5 F y* `3 o( Y
- BEQ Enemy_Check_Continue
/ y$ H X1 Y( w, F' a+ A - STX Enemy_Index2 Q* c$ b% A6 C$ _9 Y0 z/ _
- JSR Find_Begin_Enemy/ S: {) W: r, T' `
- JSR Find_End_Enemy R u+ f+ X1 t, g& p% i( Z8 m b
- JSR Bullet_Track
9 k1 h a `7 x( p7 _ - & [' }* t& I5 J
- LDX Enemy_Index5 W# V- n; B' q+ x t% ~- Y3 Z2 N& G
- Enemy_Check_Continue:
5 B5 `% f. i) V5 C0 G1 E3 M' v6 ^0 j - DEX0 {9 r. K3 g& ^% g5 Y3 k2 }
- BPL Enemy_Check_Begin
2 z K6 i$ w) D - Enemy_Check_End:" d7 R* O7 ^) p0 {9 H- v
- RTS4 D2 m! T: [9 `& m& U& S o, w. N
-
9 w7 Y, n& ?" {3 Q - Track_Enemy_Check:% u8 k: o) z2 p% r
- LDA Time_Count+ e6 |1 Z3 ]" e# f7 E3 M
- AND #Track_Enemy_Speed' M0 z0 q" u. V5 K: F0 H
- CMP #Track_Enemy_Speed7 M3 k: |: Y$ c5 x( x) w3 p
- BNE Track_Enemy_Check_End# p9 T i% _& C9 }0 w3 d6 g
- LDX #$0F) y {4 y0 Z. I
- Track_Enemy_Check_Begin:: b$ ^5 {6 h/ }6 s& h ?
- LDA Enemy_State,X
' s9 @( o. y) ^# | - BEQ Track_Enemy_Check_Continue
0 O) L8 l! B; e; B5 t9 B2 ` - STX Enemy_Index
( o& ?: K4 ^$ i& B) r2 T -
* U0 w4 w* a y- l8 w - LDA $40
$ u8 C" c% j2 d8 m% W/ ~ - LSR
$ g9 _% a+ Q& z) p8 [5 r' K - BCC Track_Enemy_Check_Begin_L1
* G' G; W& n9 B& t -
2 d7 q2 q9 \% Q- l: }( A3 X2 { - JSR Track_Enemy_Ex ;2, 4; d. X9 ?8 W& B$ h% r |
- LDA #$008 W/ c) _4 T+ a7 R9 E/ m
- BEQ Track_Enemy_Check_Begin_L21 \) a, t, \$ w
- $ N1 K l+ W& P" w! K) i9 H
- Track_Enemy_Check_Begin_L1:
4 \% L& L+ S7 D -
5 |' X, { |) P. `2 i* x - JSR Track_Enemy
/ ~: n$ w' @, f, d4 n; `7 M3 s% @ - $ {: T$ o# D% _/ c# J% l; A
- Track_Enemy_Check_Begin_L2:" y& Y: F$ j$ F9 [: c# [$ i
- % T% \0 g( C- j, h! S. P, u) w) u
- LDX Enemy_Index
' n1 y! G0 H% ]. | - Track_Enemy_Check_Continue:
2 ]4 V# U4 n7 X; e7 L, H- l - DEX
z9 N, _2 n: ^) f; I - BPL Track_Enemy_Check_Begin
" z; u& R Y, C9 \5 Z$ ]4 q+ q/ Y - Track_Enemy_Check_End:( Q! ~- h; d" v
- RTS, I2 ]3 V. @3 ]% z3 i: \
4 m% |4 ^& l, c. T1 P2 J5 N. Y- 5 B% ?5 ]1 K. F, U
- ;查找第一个敌人& F: ^% V8 y# h
- Find_Begin_Enemy:! t& \/ `& p9 g- \0 q
- LDX #$008 `4 f/ ^! m$ j' c* p% f( w
- Find_Begin_Enemy_Check:
. J8 b6 P% m# S, c* |0 B, v0 ]9 C - LDA Enemy_State,X
$ v. p( J2 g8 E - BEQ Find_Begin_Enemy_Check_Continue8 c& n' i% @4 k" f- s/ ^% ?# A6 s' _
- LDA Enemy_Blood,X ?. }2 H b) u0 _
- BMI Find_Begin_Enemy_Check_Continue( ~0 o& t8 z* A9 w: C# r
- BNE Find_Begin_Enemy_End
0 ~2 U5 S9 L/ b* X4 | - . S6 b5 P/ E% I; _: Q3 [8 M* S/ s) }
- Find_Begin_Enemy_Check_Continue:! h. D" h4 J7 l) D$ i/ P) i
- INX
! P( X1 o3 s$ X5 W - CPX #$10( b# K: T9 e2 b' s3 D& z1 {- }3 v5 X
- BCC Find_Begin_Enemy_Check
* B! ?2 C+ m* {6 s8 F: @* ` - Find_Begin_Enemy_End:# _3 d7 G' @$ m
- STX Enemy_Index_Begin# S9 g0 E4 o$ u: i, B6 G" Z
- RTS$ e0 { K) A; O9 W
- - r$ m* o p6 k& t) ?! t' f
- ;查找最后一个敌人& B0 x2 ?) S. T/ t: u$ D
- Find_End_Enemy:
. V! O4 g! d: H, c" H# B - LDX #$0F
8 s" _% y8 Q+ N/ R/ O - Find_End_Enemy_Check:& Z7 S7 l) x# Q# m8 L1 {4 K) p
- LDA Enemy_State,X- ?& o% ^' j" W5 F
- BEQ Find_End_Enemy_Check_Continue
/ I0 I* N2 w+ z0 U: V! R - LDA Enemy_Blood,X. G- y/ v q/ W+ v
- BMI Find_End_Enemy_Check_Continue
& @$ G3 {! E8 { R% S* D9 ~ - BNE Find_End_Enemy_End: }+ {8 y b- X" R
- ; K5 N6 \+ h/ U$ e' }. s
- Find_End_Enemy_Check_Continue:6 |$ Z8 |3 Z# a# I
- DEX3 e5 |6 n$ v% S! D
- BPL Find_End_Enemy_Check
- v2 R& } r" s& S, H - Find_End_Enemy_End:
+ i* a% ^7 B- F - STX Enemy_Index_End
1 v: m4 \' T+ A) g' Z; a0 [$ f - RTS
# l& o- s% b: ?. p
6 Q- ^2 c/ g: {8 A3 l- ;子弹追踪1 s: @/ F# n% c) M% x; T" Z
- Bullet_Track:
- B d5 S4 f' [! J2 { - LDA Enemy_Index_Begin
4 c! f! ]7 Y: U# Q - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;6 t6 c0 L. f; D3 C; J
- LDX #$00 ; }% |$ b% k& x% C
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++); Q8 a9 L' T0 c ^& c( ]1 J. v
- LDA Bullet_State,X
, j) O3 m) ^2 \& F; Z - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;7 P9 z5 `. l7 `1 b
- STX Loop_Index_I
+ N3 t4 y o+ H - ( ^! U( p* ^6 S! N4 F6 H
- JSR Bullet_Track_Enemy
. p3 {! T" W4 h2 k/ o( Y( G - JSR Bullet_Tract_Direction
) [ F, K# ^1 `- S, i -
1 m5 ~0 A$ b: p" ?0 Z# I" w; G% ?, X - ;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! M) `7 `) c1 p( t, U
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;( ?" d' X2 m; B5 z* |8 s, u7 G3 j
- LDA nEnemyIndex
5 l* y' y8 a- P3 v8 p. @ C - CMP Enemy_Index_End9 G; V# ^# P8 Y# P" w0 u/ P
- BEQ Bullet_Track_Check_Continue
# Y% p0 Z( p) {! a - BCC Bullet_Track_Check_Continue0 o- m$ V: [/ I/ e
- LDA Enemy_Index_Begin
' G/ e! w' Z7 z+ O3 w - STA nEnemyIndex s" H; j* W& l, M/ ]
- % F1 C" Y# P: _' Z# G9 u; I
- Bullet_Track_Check_Continue:
4 E9 q2 E9 i( M5 ~ - LDX Loop_Index_I
/ q& Q( f+ K9 D6 A6 D9 t - Bullet_Track_Check_End:
7 P, d0 f: M y) q2 G( s, M - INX9 f9 X6 [- n% u
- CPX #$108 G5 @# Q! x* L# z
- BCC Bullet_Track_Check" }8 q' X# M( S8 O8 x& E
- Bullet_Track_End:
$ w c. c8 [5 V. A1 N W - RTS
1 Y" D, U" v9 T+ ^/ Y) K -
/ O/ h, K, z8 T& d - ;给敌人分配子弹2 v5 w2 j! g/ k4 q/ g" }6 A
- Bullet_Track_Enemy:% C; o6 w/ g+ A0 {+ Z7 E; s- \! d
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
0 H; e8 x5 ]) k2 Y* z& I) c - Bullet_Track_Enemy_Check:
; `! z3 ?, s7 C; K a8 S - STX Loop_Index_J; r8 G/ I( x$ C" C: l% Q
- 7 d% T+ m1 y4 a4 E w$ f
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
; w; ?; ^4 V$ r4 Q$ C - LDA Enemy_State,X: i. U& ^/ E% h
- BEQ Bullet_Track_Enemy_Check_Continue
) Y0 `# O |4 s% z b, g1 z5 v - LDA Enemy_Blood,X$ e, C' E; x- h8 W* D
- BMI Bullet_Track_Enemy_Check_Continue
$ U' u2 V5 \8 K! H - " M0 N# Z9 R2 t. c* ]; Y5 B
- LDX Loop_Index_I
Q; B3 X8 J: z! T( k. x - LDA Track_Enemy_Index,X
! h/ Q: m" u3 G3 L7 L$ U) _ - CMP #$FF
4 k6 x P, @( g2 |) @ - BEQ Bullet_Track_Enemy_Init) K8 M b' p2 ?, y7 G
-
1 ^$ L& S$ \ ^6 c - Bullet_Track_Enemy_Init:
/ l4 a) W5 B5 O# U W) T0 x' K - LDA Loop_Index_J) _& C6 S/ ^. {5 {! z3 _, r* @
- STA Track_Enemy_Index,X ;nTrack[i] = j;
$ Z; j( I' O7 V) q$ z& Y$ i: e: i -
4 g) K* j ` n3 g - STA nEnemyIndex
, Q4 p. H+ b/ ~ _ |% `. v - INC nEnemyIndex ;nEnemyIndex = j + 1;& w5 _5 _9 x# Q V
- RTS ;break;$ o+ A+ q4 y# @, ^
- , r- ?, A* E$ X! u" f2 t
- Bullet_Track_Enemy_Check_Continue:
8 d' U$ H( v: [$ [; n1 w% f - LDX Loop_Index_J" H9 z+ }2 O: D( @- }
- INX ;j++
- }8 D! [6 w+ H2 b" ` - CPX Enemy_Index_End1 {: `9 P- I F0 p' I0 M7 h) T/ b3 ?
- BEQ Bullet_Track_Enemy_Check
- Y+ |; X( m- k) Y( @8 ?$ y+ T* | - BCC Bullet_Track_Enemy_Check% I8 u) ]9 z$ X
- Bullet_Track_Enemy_End:, ?& U. x) k, h* D
- RTS7 c) d# F8 E6 y' d6 x" V8 W1 B$ I7 z2 g
/ e2 n' P5 q! G' M+ w! l- Track_Enemy:/ Q6 i6 H+ z% h
- LDX #$0F4 T% M: I' n# n e
- Track_Enemy_Begin:: M9 H- W8 ^$ ?# F4 k
- LDA Bullet_Icon,X# }: g! o. }5 _9 b
- BEQ Track_Enemy_Continue' }; q3 `( _4 i) u" Z
- LDA Bullet_State,X
3 G; L. c: v% W3 R$ Z9 C4 E+ O - CMP #$01
% ^0 d5 G% U6 _2 w - BNE Track_Enemy_Continue, D) D2 j0 Y5 ]1 a, l
- 2 z B* p5 h0 Z4 Z) ?! w
- JSR Track_Enemy_Process4 m, [" s# T% [# X0 O9 Z* n2 t
-
2 M1 J* @8 l9 W0 {* Q - Track_Enemy_Continue:
3 C; | _! d& h8 J% P' Z. B1 j. k - DEX
3 T( s( \, j V# E - BPL Track_Enemy_Begin
1 x7 J. _/ o0 A. z& s3 { - RTS
5 b& Q: @2 \3 v0 ^ - $ Y5 \/ d \; f% {6 b8 p4 c3 X
- ;普通关卡4 B) s6 v0 I) E; q# f; Y: B8 L
- Track_Enemy_Process:3 f% p. h6 X0 ^6 h2 ~3 Y2 o0 _/ Z
- LDA Track_Enemy_Index,X9 M# {1 Y1 Z6 t3 {% t
- CMP Enemy_Index s6 }7 j7 }5 `) M, B
- BNE Track_Enemy_End, a" H8 ]8 D) ?
- LDY Enemy_Index
- V+ _# w: C, c ? - JSR Track_Enemy_Y& J; }' n4 v0 V; U) C1 q9 `8 g1 ?8 n
- LDY Enemy_Index
l4 F, f* E8 K7 e5 A5 M - JSR Track_Enemy_X7 j; c/ I g k8 z
- Track_Enemy_End:. O- a9 E4 o0 Q' n5 Y
- RTS& F0 Y; n- o% Y! d" h
- 9 L$ c7 K# ` H" v, k/ |$ S
- Track_Enemy_Y:
& x& b5 Y2 [: B' T- Y - SEC% p# ~- H1 q' h$ W
- LDA Bullet_Y_Pos,X
$ J/ t5 r& H Y+ v g- V& j$ b - SBC Enemy_Y_Pos,Y
2 ]( Q# e) T) |; [ - BEQ Track_Enemy_Y_Equal# |% F( h3 I6 x- k
- BCS Track_Enemy_Y_Greater. [! N {; _8 w* S
-
! G! p7 E0 t' r+ l X - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
) H; Q# z9 V( z: q: C - CMP #$FC9 _9 K1 A8 o2 {5 `+ I
- BCC L1_10 k" t3 {9 m# Q7 P2 p& v
- CMP #$FE
+ `. X0 l. z: z# b: w+ W1 X - BCC L1_2) D X8 a, Q: S4 n2 z: z$ L- V3 a, D
- LDA #$00
* w: @6 }+ n4 [6 U, y9 N9 w - STA Bullet_Y_Speed,X- T) ` B; j$ |: o5 l
- RTS
/ z. y4 e" e8 h, G: G0 A2 |* i - L1_1: 6 ~# R8 i, ~6 ^8 F: j9 P9 i
- LDA Bullet_Type,X6 [( M0 q# @) H* Q
- AND #$0F
5 D. D& r3 B* N' O! D. D; S( w# { - TAY+ f8 h3 b$ u7 X5 V/ \: W1 A
- LDA Bullet_Speed_Data,Y
5 J: j% j3 m' V, h. f - STA Bullet_Y_Speed,X+ C1 ~% c! h, R9 t9 P. X
- RTS
% \& F" j/ T7 G% F" m' Q - - y; s. k2 C6 c; U3 I9 w1 `3 V4 G
- L1_2:
' p* R; p" d7 y - STA Data_buffer
4 r+ K% H# x: k; _) J- T - LDA #$00" [! @7 M. P2 P! f5 ^
- STA Data_buffer
" y: y, v. T/ `0 u ~ - LSR
. J6 y) m' u7 q5 x5 [2 F - STA Bullet_Y_Speed,X
6 l2 Z8 ~/ o6 Q- g* p: { - RTS) u3 Q$ l4 {) l0 \. X8 }2 k
- ' k/ z% ^7 n8 `4 N5 |# B7 V0 X: ]
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
9 X+ d3 g6 x0 @5 \" O - CMP #$04
' |& z% q6 p4 w1 w, j1 ~ - BCS L2_1
" G+ G3 _. N, ?- |# \% } - CMP #$04
: v) ^2 A7 G1 ` - BCS L2_25 B3 D, @- K; W. V# j& l& @
- LDA #$001 r* _6 \% D3 V3 Q/ C/ }+ A7 E
- STA Bullet_Y_Speed,X* i9 b7 `3 ]# y7 `" n0 { A
- RTS
7 h3 g' b# i( y1 W( M -
/ X! u s+ A- u0 I& F; i - L2_1:
3 ~ j! @6 J M* j6 J - LDA Bullet_Type,X* N4 n( S$ P; N* a G
- AND #$0F4 e4 t/ m. W; s6 J- Y
- TAY
. |( l0 j3 l4 K. C, p - LDA #$00! A* ?$ H/ ]) {8 g( y+ z
- SBC Bullet_Speed_Data,Y
' U, m5 c9 }+ m/ r2 J% C - STA Bullet_Y_Speed,X
4 V. r- S9 H- o7 @( y1 \! ] - RTS( }8 l! T! k6 N
-
3 A" Q M: e+ a1 e. ~$ b - L2_2:
" Q9 J! N, w4 ^4 k' n! v - LSR
4 B, f6 t, U* [ - STA Data_buffer, z- N C) A2 j* p# G& x
- LDA #$00. \" ^+ y" {2 p& e6 T) }
- SBC Data_buffer5 P% o0 ^- B4 x, z
- STA Bullet_Y_Speed,X. I" u- X& x: @# |- n7 T: n
- RTS% M! E! P) e- w' i A& C
- 1 K, |3 E9 `( w
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
3 ?* L ^( b" U O - LDA #$00! Q8 w2 u' l' A: K- j$ G
- STA Bullet_Y_Speed,X8 U. R2 t+ A$ G4 y0 O
- RTS/ w6 X& [1 \5 {' H
-
% e- V4 v4 C% K) a d - Track_Enemy_X:$ l3 h, f9 i6 m0 K: p
- SEC) B0 x' z% C/ y0 W! M
- LDA Bullet_X_Pos,X
: r8 X q& p* s, i8 B$ M6 |/ d3 p - SBC Enemy_X_Pos,Y
/ J' m$ P E; i# K% m& @ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X% g* `* I6 `' m& g2 f: S
- BCS Track_Enemy_X_Greater ;子弹在敌人下方; ]( u* B& _6 Y6 J8 c
-
9 s# {/ R ~" `3 K - Track_Enemy_X_Less: ;子弹X < 敌人X. w8 V! N) |& }( p) l) u$ ~
- CMP #$FC
0 e$ W0 U5 Y+ l2 y - BCC L3_10 L) E% q% O$ M! `0 W
- CMP #$FE* i/ t" Q5 v& {! a2 g
- BCC L3_2* H2 l- p/ F$ e8 k
- LDA #$00
3 v8 r$ F% O9 ^* V - STA Bullet_X_Speed,X6 S* k+ f# u' l: k! k
- RTS$ t% g8 G. \: u* c4 U" X) B
- L3_1: . r& |' X# i: H4 z
- LDA Bullet_Type,X
7 R, x1 X* S# i; [) u( s - AND #$0F
- u4 b7 _) e) O# Z1 w1 Y - TAY
' D- g! z' b; U - LDA Bullet_Speed_Data,Y* D5 [9 F: J. c; t6 E( l2 D+ K1 j
- STA Bullet_X_Speed,X
( N5 _) Y0 v6 t7 {* ~ - RTS7 [# n2 H2 ]8 r1 m7 z2 Z
- L3_2:
2 I: g* [% f" C" E, U" e - STA Data_buffer
& l3 T# ~6 Z' w J; S7 _ - LDA #$00
. U* L: }* b. ` - STA Data_buffer/ X& z+ U, G& x; \1 Z# j( y& N
- LSR: w' h7 M: X; {+ k* _+ O) ]
- STA Bullet_X_Speed,X* U+ K5 R) l& y w7 y1 K1 v
- RTS
( R5 O q' s' \3 z, j -
& F1 A, j! e# k6 J& k8 q7 s - Track_Enemy_X_Greater: ;子弹X > 敌人X
8 f) Z- t$ y% I1 u - CMP #$04
9 f+ a, v' L, i9 b( N; \5 \4 n - BCS L4_16 _8 `" P! J1 u5 z2 ? `4 J
- CMP #$02
) G, E4 B) p5 @8 W - BCS L4_24 k! N! n7 [/ {" R" f9 Q. Q5 m
- LDA #$00
+ V( N5 r" o/ t0 d - STA Bullet_X_Speed,X9 |8 h( O2 p' \+ n) z
- RTS
+ A$ |3 _8 h' w/ i- s/ o2 _) p: c: s- X - / M, h; L& l% q( Y: |* p) ]
- L4_1: $ N2 M, D" L' v
- LDA Bullet_Type,X
u& T! V8 ?2 _* K* h7 { - AND #$0F2 E4 `% E6 x5 y5 v, \ Z4 I" f
- TAY2 `6 i! q4 j" X9 ?8 Q
- LDA #$00 S& F/ S) w3 e
- SBC Bullet_Speed_Data,Y
- |4 t( O1 s) Y) {. g3 D - STA Bullet_X_Speed,X
2 k; F9 m$ y1 e B* u/ W, U( H& E - RTS9 _; b. U. O) }/ f' W2 D0 ~
- L4_2:
1 t) A5 M* N: l' m: a - LSR
' e5 i8 m5 u* z: T- z2 q - STA Data_buffer
& ^1 a2 Z$ O+ z. D. P i: u1 T/ m/ m - LDA #$00
9 n' b H, O* i% o - SBC Data_buffer
$ J) s9 z8 Q# Z8 R( q, ~; D - STA Bullet_X_Speed,X2 C# v' _7 u Y. m h7 Q6 \
- RTS7 B0 L! P. g& {! Q0 I
-
/ Z, v& s+ T+ I, k; H1 P - Track_Enemy_X_Equal: ;子弹X == 敌人X
; g' p' c4 ~3 ^+ h - LDA #$00
; {1 H D; r& u7 R - STA Bullet_X_Speed,X/ b3 j' p2 ^4 S" s/ K4 X
- RTS! d/ ~# x/ S: P: I9 P2 w4 ?& i
-
- i2 R0 R Q- I2 l" C' h - Bullet_Speed_Data:
+ t, y/ i U" H) Q6 F - .DB $00,$03,$03,$02,$03,$037 Z8 R4 m: r H, ]$ \" Y) D. L
-
2 K% H$ i6 @1 @# M% {$ S- O% k - ;2, 4关
* b6 F4 @, ~# {; o - Track_Enemy_Ex:; B8 D" O$ Z- D: B& \4 B% f
- LDX #$0F4 U& F; ?! g6 W1 s% s
- Track_Enemy_Ex_Begin:2 p$ r f4 K% q& {' y4 B0 S
4 `0 T: b. \' k% z" X* t6 s# n/ I- LDA Bullet_State,X9 g( N4 E* q& J# S! u( c
- CMP #$01
+ ?/ O$ ~0 V; y - BNE Track_Enemy_Ex_Continue+ ~! w7 h, z- t/ ~0 x. L5 {
-
' r# s" K- h) u9 c# M+ C - LDA Track_Enemy_Index,X
: g/ {( V" O9 ~- H7 K0 X - CMP Enemy_Index& M6 y L9 j$ u& ` }
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标& G2 L/ K$ U5 u1 ]* o8 Q7 p
- 9 m% H8 k& g+ {, |" v# G
- LDY Enemy_Index) G$ ~1 m p, Y2 a$ ]
- JSR Track_Enemy_Ex_X( @0 K F0 G$ b1 ^
- ( y7 v& G" B* k
- Track_Enemy_Ex_Continue:
' E: @. v: c( X, S - DEX: v; o% K7 A' h0 d3 y
- BPL Track_Enemy_Ex_Begin
4 y; M! V! H% d. @ - Track_Enemy_Ex_End:
' \, P) M. F* h! p* h - RTS# \+ { ]. U2 ^) h" t
-
- A, b: m/ |7 D3 Z" X* i5 K - Track_Enemy_Ex_X:
3 U: B. H4 A4 g- ~ - ;LDA Bullet_Z_Pos,X
/ o3 J8 N( p8 K" S0 d, j) M - ;CMP #$04
9 q9 i7 `9 K# [- g" }5 i - ;BCC Track_Enemy_Ex_X_End5 ^$ q+ c: [: [. E y& A
- SEC
/ s& _) x& b; D5 v# ? - LDA Bullet_X_Pos,X
8 Q% l; ?3 z0 x: ~9 _. z+ y( Q - SBC Enemy_X_Pos,Y
: B* t: e5 k+ c! S8 `" H3 c& P - BCS Track_Enemy_Ex_X_Greater- t8 _2 C" W& I2 g
-
' }% J3 s/ {" v0 q - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X: x5 ~; K; |5 s1 I7 v. g
- CMP #$FD d/ N2 p8 x! a, U) ]& _
- BCS Track_Enemy_Ex_X_Less_End
) W' S, D, Y- w1 j$ J: }1 A6 g6 H - LDA $6020,X
# s! M3 K' O( V- Q- }! a - CMP #$2A# e! v& E; V' L1 h! W
- BEQ Track_Enemy_Ex_X_Less_L1" L; C9 O) |2 z. T/ w
- LDA Bullet_Z_Pos,X4 _& J# n. V: Z3 U- p8 c Q
- LSR
$ P' L9 ~$ d- j- K - TAY& V( S8 u* j3 i6 P' o2 E5 x
- LDA Bullet_Speed_Data_Ex_R,Y! J4 o. X. {/ W" @5 g4 W! |% a
- STA Bullet_X_Speed,X- }6 i0 H0 o3 P8 w- T$ w
- RTS; ]7 s" t8 T; m! N. e! r- h
- Track_Enemy_Ex_X_Less_L1:
7 r: R) k' t, X, g$ ~9 U - / V0 c% s8 C5 i; |, |+ I
- LDA Bullet_Z_Pos,X" W9 B. M3 [+ j8 }3 n+ ^
- LSR& V5 S6 L( j$ R, _- U [
- LSR3 ^" c" g3 d$ o4 }& o
- TAY- B+ V- H, i" o4 |/ D' y* R
- LDA Bullet_Speed_Data_Ex,Y
8 `5 R8 x. Y7 D; G; ?7 p - STA Bullet_X_Speed,X
0 u2 y. Y. Y% e& v2 }7 N# w' l7 g - RTS
* I* d% X6 r2 w9 Q0 t -
" y$ Y3 y6 L8 c4 h$ K0 A - Track_Enemy_Ex_X_Less_End:
6 o9 |' {- z. }5 S2 C- F5 K6 [ - RTS& V1 ~ x6 q( P* L! q
j4 Q; }# f6 A" c) c% h- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X7 i& x, J9 X( Y+ T0 {& o Y# H
- CMP #$03
) C3 C) a4 z" d: h# C+ z - BCC Track_Enemy_Ex_X_End: b4 p( O- v( M! b0 A* f2 Z
- LDA $6020,X
7 a8 C# k- O: s" {& h* D - CMP #$2A2 |% a" b: Z% D5 O! A6 J% ]
- BEQ Track_Enemy_Ex_X_Greater_L1( s% u/ K+ S6 B% r( Y- Y
- LDA Bullet_Z_Pos,X
( u* Z! h- r# ~4 @4 |8 T - LSR
1 K& p; B$ [$ ] - TAY
% z- ]! } O% \/ w: A - LDA #$00
5 y, m. g R2 ^4 H y e3 N" V - SEC; I( f w2 a& ?" Y7 q1 _
- SBC Bullet_Speed_Data_Ex_R,Y6 f2 ?0 a* C/ Z9 J9 E9 E' O6 }
- STA Bullet_X_Speed,X, w% v- p! }8 v3 p: C- e, Q$ ]
- RTS
M" y1 a/ b# M) p* i - 2 S3 _% Z$ h5 y( S+ t
- Track_Enemy_Ex_X_Greater_L1
. U; M5 f" B f$ v - LDA Bullet_Z_Pos,X4 z' `# `4 X2 }! v$ Z& K
- LSR' v) B$ Z5 ] V5 T
- LSR7 c, b @+ D' \- J! u9 c W
- TAY0 Y; w! _; s7 h# x3 ?1 R
- LDA #$006 j) H3 x4 C# |% g2 J7 H( O5 Z }
- SEC
3 O3 f9 ^) q& a6 }. T - SBC Bullet_Speed_Data_Ex,Y
6 z5 [3 V+ j5 N8 A4 L4 Y; M' Y- f - STA Bullet_X_Speed,X5 Z4 y# i- }2 A! N
- RTS F2 e( C+ f3 }
-
. ?$ d% F$ W |3 A* z, F - Track_Enemy_Ex_X_End:
# u* O( X! \! x - RTS1 O% G+ T1 L/ t
- 5 e/ L) s3 A: X" l- Z& V5 R1 L; H
- ;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)& N+ ~" s- r% T. }( s- V, C
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上3 j; V8 f+ k( r/ q
- Bullet_Tract_Direction:
/ }5 @# o& M- n! |6 O$ ?7 y5 \" ~ - LDA Bullet_Icon,X. H3 o6 y* k. N3 R# T" v3 L: N% a' |
- CMP #$23' n, j" L+ R! `. ]
- BCC Bullet_Tract_Direction_End
1 L/ m: |( |/ U2 ]4 g. x -
4 l6 [7 A$ i9 |+ r/ k- `% M& z4 u - ; X != 0
) f5 u. a- i9 V1 k* } - LDA Bullet_X_Speed,X$ \6 L1 Z( O2 ~
- BEQ Bullet_Direction_V( l; H8 a7 j/ `3 R
- 2 N8 e( b% X% W" ?
- LDA Bullet_Y_Speed,X
+ w% c9 h* R3 b5 A3 _$ E( b - BEQ Bullet_Direction_H
" G1 N p8 i }3 Q - 0 H) y# I5 f. m% Y
- LDA Bullet_X_Speed,X1 \) d/ `8 G! o/ v: t
- BPL Bullet_Tract_Direction_Right8 q) P( ^% l4 `9 Z& q
- Bullet_Tract_Direction_Left:
6 X* r, [6 L0 p H; A7 P* H8 l - LDA Bullet_Y_Speed,X
3 }8 |' p. j' v, n0 r# T- R6 u - BMI Bullet_Direction_Left_Top
# R: y7 K) J3 Y - BPL Bullet_Direction_Left_Down. H* A1 [' @" O8 {% J$ }
- Bullet_Tract_Direction_Right:
: N' l# l* I4 a. _- T1 q# [7 z2 o6 L - LDA Bullet_Y_Speed,X- Q. y: v% ?- k) e1 F! T' I. c
- BMI Bullet_Direction_Right_Top
v1 E3 P( p9 ~ Y) ]1 f- \ - BPL Bullet_Direction_Right_Down
~( I" {, D0 F* q - Bullet_Tract_Direction_End:
x1 s- L5 v, R* n- f! N; v - RTS
: k! M4 A2 s2 c; _ - , G. K! N. g# c% d0 j% x
- Bullet_Direction_Left_Top:& w( ]4 u, \$ }$ i; q
- LDA #$25) n9 @. {$ y& I" {0 ^
- STA Bullet_Icon,X1 T2 k2 T" M/ Z3 I$ @
- LDA #$C0
) k9 J$ } M" k J - STA Bullet_Direction,X
3 O& I$ R/ t& Z - RTS
" U% b4 N/ N1 k
1 `, p: I* O0 j6 n1 z- Bullet_Direction_Left_Down:1 p3 a7 G$ o* y/ R: z& f! T! z4 ~
- LDA #$25
1 Y. p0 f8 N" R - STA Bullet_Icon,X
) m, H2 A( _ }8 i6 M9 Q - LDA #$40
% P, L" E1 |- W1 C1 X - STA Bullet_Direction,X% }" a" v- F" q% |
- RTS
L& u7 ~7 U- i) C* [! E( p; } - , V1 o0 W8 S- g) J- @
- Bullet_Direction_Right_Top:
{& O% Q9 j+ F: C8 |2 C" n - LDA #$25
( w- l2 I! J9 U3 T - STA Bullet_Icon,X
2 E) O9 J: d- T - LDA #$80
7 h2 f# m9 a* R& Y: w% W- O - STA Bullet_Direction,X( H, y7 f, n: y- B4 l5 b" a
- RTS$ C7 K3 A3 Y# r
d' n6 G: g9 ~ z- J! |- Bullet_Direction_Right_Down:+ J$ `0 E" i: O2 z* a( j2 c
- LDA #$25
2 O( ?! V; d8 N - STA Bullet_Icon,X
/ {3 j3 | K6 v0 Y' J' Q - LDA #$00
! d. f9 S# L2 _ - STA Bullet_Direction,X
1 L8 g0 n9 f$ @5 } - RTS! [% a* r7 g( v- H" O: y3 _' V" w
: w% E! ~0 ]* C1 z5 g- Bullet_Direction_H:8 w- `8 y1 `- Z- L6 f
- LDA #$24
" }( ?% q# v, Y/ P - STA Bullet_Icon,X# h. @6 z Q! E6 k- p
- LDA #$00
! @# S$ |& s* s8 Z" ~# D2 W6 F - STA Bullet_Direction,X
- G4 `2 \4 [8 G - RTS
) u6 ]9 A$ ]9 a, U - ! O7 P, U! }4 _* P1 e' @
- Bullet_Direction_V:
2 a# |( n$ G4 V# m! H7 V - LDA #$23
( @9 P; q% {" O. I& b6 c - STA Bullet_Icon,X8 d9 Q2 W0 W! h/ V3 a. E
- LDA #$00
9 d7 x+ g! c! c( a - STA Bullet_Direction,X
9 }! z: ?( t. L' U - RTS
9 r# m8 N5 E7 B1 k& _: x2 |
, i5 W, J% d# N, _- Bullet_Speed_Data_Ex:- Q/ Z( u ]% {( E: I) n9 C3 n/ J8 e
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$044 B" i x) f. p. s, ?
- 6 F0 G( _ ^: k- _+ Z
- Bullet_Speed_Data_Ex_R:1 @5 K3 C' R/ `" p
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
5 ]0 Q$ d) k. z3 C. E9 a$ U0 z -
复制代码
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