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[FC][魂斗罗][J][追踪弹]: I6 ^, U& o! _5 u3 q3 h8 Y% I8 v
# v" ^% v/ @9 e5 s时间:2023.04.30
9 g8 M+ @$ R D/ S* K( U作者:FlameCyclone4 q0 W4 C7 x1 X) d) A8 a
内容:
" q: x" m( P, j 1. 所有子弹追踪敌人
) v3 D4 ~4 l6 Q d, {9 u, l 2. 选择键切换武器
$ u* t6 x+ c9 @$ H9 d; i 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 c- x+ |' B( P) E
0 E1 W2 c7 t+ h1 h6 \3 A
flamecyclone.ys168.com
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/ F/ X$ |9 Z; |5 S$ }% q- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁/ X1 E. k. K0 W' X2 [
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L. G0 C; R" o5 l. ^4 U
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)" v& b$ s0 h( z2 ~
- % a K# P2 i+ q( [( }5 |2 ?# `" W
- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
4 \. r$ f7 r: w9 x: q - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上8 f# \, L2 F- a0 G% g
( c% o4 }' E; w. N# f- Track_Enemy_Index = $6000
- s: b" s% A* Q X- n2 y - Enemy_Index_Begin = $6010
# g' D8 m/ }' w* U8 \( s% y - Enemy_Index_End = $60117 F8 F0 O) `2 l6 u- g" D* m/ O, L* V
! b5 a" O& n% W0 u6 e- V- Loop_Index_I = $6012: `' o, Y& X Z
- Loop_Index_J = $60139 [1 y0 M' H8 P0 F2 o$ B
- nEnemyIndex = $6014
Y1 K- z) v5 d+ |1 K5 } - Data_buffer = $6015
; f+ i* u8 f" X# s4 f* V* a - + g" M2 a K# X* `4 |' X
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标0 j$ p6 C" H G4 |9 W: w# `$ b
- Bullet_X_Pos = $03C8 ;子弹水平坐标
2 x) x6 r6 f0 `" W2 U! M8 H% \ - Bullet_Y_Speed = $03F8 ;子弹垂直速度
2 V1 N9 ]: A1 f: m. J8 O - Bullet_X_Speed = $0408 ;子弹水平速度( Y, j1 w7 G6 P$ v" `
- Bullet_Z_Pos = $0418 ;子弹Z坐标
}$ p4 _0 D) g( e' v5 Y - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
( O; h8 N4 T9 Q5 `
( \5 _, K# S+ O! U0 n; F- 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
0 ^$ R( e( U: J, g, t2 B - Enemy_Blood = $0598 ;敌人血量
$ ^/ N# S. b. ?& V - Enemy_Type_Addr = $0528 ;敌人类型 Y4 ^$ X6 e' M- E6 J. B: E
- Enemy_Blood_Addr = $0578 ;敌人血量
2 v/ d) |/ N6 g/ Z& k/ _% H& J - Enemy_Y_Pos = $0324 ;敌人垂直坐标
- @3 I# R4 g3 `! I0 P( I' O - Enemy_X_Pos = $033E ;敌人水平坐标+ ?4 ^6 T+ R$ N7 U6 X& O! j
- Enemy_Y_Speed = $04E8 ;敌人垂直速度) H- T1 a$ C0 l8 D+ J7 w" D' c
- 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
: |7 h1 m% G* L2 ?/ z5 U; M
9 _4 S8 k( j, j! w% a* z- Enemy_Index = $83 ;3 p# X: A" Q1 O$ q/ _- K; @/ Y
- Time_Count = $1A3 t% w& ], X: c9 f" R7 e+ R
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率* j; S c9 } V) ?- j
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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& k- k0 E! R$ m! x8 p/ q R- .ORG $6100
( d7 K& c$ Z% z4 } - Process_Begin:! ^- O9 l4 [) u2 x
- JSR Enemy_Check B& G8 M) V, g4 w8 q% I! {
- JSR Track_Enemy_Check$ r0 s7 o b [! t+ \' g
- Process_End:4 K3 m, v, s8 l& w' H
- JMP $E54F8 h; R+ W, o4 F
- ; ?+ Q6 l7 i+ j* a" t
- Enemy_Check:, Q; ?: i, t3 V
- LDA Time_Count0 h; r2 e. v7 |9 Q, V' I. w; S
- AND #Track_Bullet_Speed1 F- S! w9 d1 ], ~1 b2 e
- CMP #Track_Bullet_Speed
; p3 m7 c% _! V - BNE Enemy_Check_End+ L5 V" U5 x7 ] `; f6 C
- LDX #$0F; D8 c1 G) P5 |* R
- Enemy_Check_Begin:
( |! k2 a4 j' F! n - LDA Enemy_State,X
9 T! H& a" ?7 A* o1 x/ X - BEQ Enemy_Check_Continue
& G V; k! g1 `+ L - STX Enemy_Index
5 L9 {# K8 M3 U q R3 {7 L - JSR Find_Begin_Enemy* {5 x# |! Y( b7 V1 D
- JSR Find_End_Enemy
1 F- L/ v3 n) ]$ ]: J5 C/ ?. l2 z* X: ?4 o - JSR Bullet_Track
' v* W( C5 R" D8 X( _: }" e' C" R6 p -
7 b7 k" h, {# z$ C+ R; ]6 {0 j - LDX Enemy_Index( i: N- y0 b8 O5 b( ^
- Enemy_Check_Continue:4 F8 L+ Z; e8 I5 @/ D
- DEX
, S" P) O2 |& ~. ]9 U" E - BPL Enemy_Check_Begin" [( C: w! _) i) A0 r
- Enemy_Check_End:
* l" a( b& q9 W - RTS5 I1 j- m. D* K. ^; m I
- 6 p0 e( Z; _3 b
- Track_Enemy_Check:. v. A* j# w4 C6 u% y, Z
- LDA Time_Count6 n7 e! }* B8 l
- AND #Track_Enemy_Speed) K6 }* M3 c# z; G/ F
- CMP #Track_Enemy_Speed
- L+ g9 z' @2 K+ [6 d - BNE Track_Enemy_Check_End
5 [& h4 R3 M& u& q. T- ] - LDX #$0F
/ e0 h1 U1 c0 t - Track_Enemy_Check_Begin:
8 ~2 I1 \- Z7 f - LDA Enemy_State,X z4 R4 W0 B. l g& R* K
- BEQ Track_Enemy_Check_Continue& G, M, ~, x5 Y# }* M3 c
- STX Enemy_Index2 Z1 F! X/ D- }. e4 h' P5 x
-
0 c8 U( G1 B u# r - LDA $40
: z1 m7 J* j* q3 g+ r. c - LSR
& P( @9 q8 R$ b0 @/ J# Y - BCC Track_Enemy_Check_Begin_L1
% Y5 [! w, }4 c; [& U& Q -
8 L) X7 u2 p$ [4 E - JSR Track_Enemy_Ex ;2, 4( v( T" ]6 L4 `8 d5 ]; g3 ^8 ?& H) x
- LDA #$00* H( a- ?# W% r; K# T
- BEQ Track_Enemy_Check_Begin_L2# K# g9 d% m% }& d& b4 R8 h
- : J: P7 r, d+ q/ W" ^% {: T% y
- Track_Enemy_Check_Begin_L1:
2 O0 c8 B9 \& s$ ?8 A% G. ?& z -
* P! X: @' R" J- A0 ~ - JSR Track_Enemy
" k: D' |2 Z; \7 O" ~ - * n7 J8 M9 c6 y! l) _9 L# [
- Track_Enemy_Check_Begin_L2:
; H, v% H" C7 p2 S$ W - ' f; g4 F- k7 r( O
- LDX Enemy_Index
! A6 p7 z; w0 A( b) E - Track_Enemy_Check_Continue:. H! U0 m( K4 d5 h* C" P {. @
- DEX/ X% y: ^5 F1 }- V6 i
- BPL Track_Enemy_Check_Begin
& w+ Y( Y7 n' \; w/ a0 Y' ?7 Y( T - Track_Enemy_Check_End:
/ K) }; p/ H$ U* B" J& W6 i - RTS+ n B' L6 o. y6 [' x
6 Y8 n# M( P2 u1 t9 \, ]" Q: v- $ w M5 K- u* g( G
- ;查找第一个敌人
& t/ J* l/ H% c; Z2 R- [ - Find_Begin_Enemy:
! V+ K3 s4 M, N( P$ l, V& f - LDX #$00
Y9 V! f+ F' Z: J - Find_Begin_Enemy_Check:
6 I; D1 G8 N) `) [! a/ y6 J- H - LDA Enemy_State,X- c& a) U( n6 G( X
- BEQ Find_Begin_Enemy_Check_Continue# T: T/ @% s0 q- I+ c
- LDA Enemy_Blood,X9 C+ h+ f5 q4 |2 k3 t( x3 L. H% \
- BMI Find_Begin_Enemy_Check_Continue
) ]. J5 `' `# i* J - BNE Find_Begin_Enemy_End
+ P6 `7 w; T9 s4 f -
! x# g0 b% o6 i# ? - Find_Begin_Enemy_Check_Continue:
l: w h( L: F4 n) U+ n$ V - INX4 |7 L" V0 v1 v$ T3 V1 S! X1 G
- CPX #$105 B) b5 K) w/ d$ x. Q
- BCC Find_Begin_Enemy_Check" w, P& u- [1 V# p3 {+ A$ s
- Find_Begin_Enemy_End:( H! N1 M3 H2 R5 M; A0 P
- STX Enemy_Index_Begin
5 _9 [5 y# O+ K - RTS* _/ \5 P/ h- h7 c
4 l# S0 p% z8 ]" u, g) b0 i- ;查找最后一个敌人
7 [" z& k9 ]3 I' [ - Find_End_Enemy:0 G- s% z1 _. v" ^7 ^9 w. s' r! z& J
- LDX #$0F4 i" ~/ K1 i. |% p
- Find_End_Enemy_Check:
: f% r. b- t, U9 R1 W: t" ` - LDA Enemy_State,X
+ n2 m" j2 x q# {" e! u3 G - BEQ Find_End_Enemy_Check_Continue
* o) K; i2 G0 ?9 x# k - LDA Enemy_Blood,X q; e5 [& S+ d
- BMI Find_End_Enemy_Check_Continue
8 Q' I6 I% M1 Q/ T: k5 \: w% V - BNE Find_End_Enemy_End% |# n% s" b2 R5 u" G
- - R% `. B/ L, v) y: o9 p
- Find_End_Enemy_Check_Continue:2 b: o5 p* Q K, }8 J% H& w; m
- DEX# U/ s+ o4 a: ^. `- J& d
- BPL Find_End_Enemy_Check
- A- ^3 y) a: j% e6 v$ O - Find_End_Enemy_End:
* z" z! d0 x7 \! j) C& Q0 Z9 T) E - STX Enemy_Index_End$ G4 e; a2 t: I) \
- RTS
7 v9 L- z$ u3 s+ b - , w% D; n4 U; J9 ~% Q% }- V1 O' X! F
- ;子弹追踪
2 j1 e/ [+ X$ R6 b# V. }+ M; v - Bullet_Track:
- u8 b, s# l6 _/ T$ Z; w7 k, f - LDA Enemy_Index_Begin" g9 Z& {/ ?% \- y0 p6 D5 x" K
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
! b7 A* T2 E! x/ G" H9 x - LDX #$00 8 ^ ]$ W7 g( u& _1 X
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
3 L# ]5 x7 p8 v; k- u1 o - LDA Bullet_State,X
3 Y5 q7 Z; S& W* n* a9 p# k - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
# W/ G, p& n5 o) l# b6 }" z - STX Loop_Index_I d9 T! Z: \; Q# {
- ; Z8 M9 I6 A/ @- k
- JSR Bullet_Track_Enemy
* f- ]- R3 c9 ?( q& C" m - JSR Bullet_Tract_Direction
; `; g; H* N6 s( h7 F! g - , x& Z" o% h3 [* E/ O( d
- ;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
( G& U4 l) K$ o0 N' `- k5 ]; U8 q - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;& s, J1 P+ `$ k& t
- LDA nEnemyIndex1 l: I" L1 ?& s5 J& A" z
- CMP Enemy_Index_End* w- N, t( z& Z; `9 ]/ q, r& {- ]! k# e5 u
- BEQ Bullet_Track_Check_Continue
^2 |2 z7 X: K4 u I - BCC Bullet_Track_Check_Continue: f2 D% W1 U9 P
- LDA Enemy_Index_Begin
$ D7 M; ~4 C; R9 C3 y) ^1 x - STA nEnemyIndex
& M @. s8 T2 m. N -
+ b2 F, b& Y" x' w7 I) B - Bullet_Track_Check_Continue:: g6 ^2 }) E7 [4 |- Z" _
- LDX Loop_Index_I
- x9 D: v+ B; E* Y - Bullet_Track_Check_End:
+ H% W1 C8 D1 M7 W7 o9 I9 R8 | - INX/ i: x& E9 u) R. |1 {: u
- CPX #$10/ `9 T( `. t0 K0 N, @* p
- BCC Bullet_Track_Check
6 ^: V) M3 v2 c) Y4 M! x0 W5 S - Bullet_Track_End:; X4 y& @! D) w2 N! n J8 z4 w
- RTS% @; ~7 ^' h; }% K# _
-
& h9 o+ b1 e1 ^2 t4 f. h% L$ N- H - ;给敌人分配子弹
2 E9 G) f0 K3 t e+ _! h - Bullet_Track_Enemy:: I3 L. U/ h$ o: z2 w U% }
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)) T+ h5 q# g* e* a% S1 f6 N5 V
- Bullet_Track_Enemy_Check:) a$ G8 @, _$ o/ F- W& g
- STX Loop_Index_J
3 p. [( O3 q q& o2 Y, d -
N: l8 S0 c. Z% K - ;if (0 != nEnemy[j] && -1 == nTrack[i])
8 P2 j4 H7 J0 N u; C - LDA Enemy_State,X8 T# i# w" |7 B, f5 l
- BEQ Bullet_Track_Enemy_Check_Continue
7 a' Z# a& e4 Y: ^ - LDA Enemy_Blood,X! H n9 E# i c- C( {: x, \% `
- BMI Bullet_Track_Enemy_Check_Continue
7 G$ H o& X; l" F; | - - `+ w; _* G4 e( m2 g! J, n2 G
- LDX Loop_Index_I# F, m% v+ Z) N$ s$ u% S6 D
- LDA Track_Enemy_Index,X
! M/ ~. }1 d3 y3 i4 W* s/ \, {% J8 O - CMP #$FF
1 B) }% e) _: K! }" f - BEQ Bullet_Track_Enemy_Init
" W" D H1 t- A6 ]: _ -
6 a+ {6 k2 R7 W7 p+ t - Bullet_Track_Enemy_Init:
- F3 B* t/ n( n5 S; w) }. ^: e - LDA Loop_Index_J" \7 E' s- v$ Q! Y# x" p: @
- STA Track_Enemy_Index,X ;nTrack[i] = j;/ Y) b" B, [( u0 c
- 4 w# @6 {' O4 P( K P* } S
- STA nEnemyIndex9 m# I/ j/ }! ^7 w4 W
- INC nEnemyIndex ;nEnemyIndex = j + 1;, v+ f. M* F" `0 @# L! y& U
- RTS ;break;
5 \) {/ r L9 ^& A" e8 a6 j - . C+ c7 s2 v& s2 W1 ?
- Bullet_Track_Enemy_Check_Continue:: i! y: D- s% Y4 t5 ~. q* J& O
- LDX Loop_Index_J
% ?9 |- a7 p; o! C% L6 d' @1 Q+ V2 n - INX ;j++
8 E2 f9 V. z2 [; s. w - CPX Enemy_Index_End
" A+ c2 I Z0 v& @ - BEQ Bullet_Track_Enemy_Check2 z! B4 ~5 A4 r* {
- BCC Bullet_Track_Enemy_Check H+ ]: T6 S, U
- Bullet_Track_Enemy_End:
! k6 X C% v6 @& }, ]3 Y - RTS
) ?& E `' t; f3 v }- | - # l! H! X2 _. U: v6 ?. p6 R* d; n8 f
- Track_Enemy:
5 n' u0 q, Q- l' b" X - LDX #$0F+ v2 r- I- {# ?) S* d# @4 G2 b
- Track_Enemy_Begin:3 m' C3 {7 U4 X" F" q
- LDA Bullet_Icon,X3 y$ }2 v7 |/ i+ L
- BEQ Track_Enemy_Continue
! f3 B, w" l5 s: C x7 N - LDA Bullet_State,X
, q9 ~0 x6 q+ S" _ - CMP #$01
* d/ k; R3 L$ U q- q h6 O - BNE Track_Enemy_Continue
" w8 f5 ^4 z P2 y+ O, p& F4 g - # d' n3 s7 H; W5 C- H
- JSR Track_Enemy_Process3 a- M! O9 X# C! A8 U
- 2 f- y( t/ P+ m" M6 F
- Track_Enemy_Continue:' z3 }; Z# ]1 b, k& z. F" p `2 g
- DEX
. A6 j3 Y# Z0 N- D0 ]6 m - BPL Track_Enemy_Begin! m- N6 k$ _/ V8 \3 I. D, ?# V* n* x# x
- RTS
9 i7 P- ^1 z0 H: e - 0 q& N, x$ V/ I
- ;普通关卡
6 I% d6 y* _ R. V - Track_Enemy_Process:6 l" a1 q0 s, T ]. H( O
- LDA Track_Enemy_Index,X
5 K7 J% J5 ~# g4 I+ P* ?+ y/ I- k - CMP Enemy_Index1 Q$ [/ V4 c/ G6 ?
- BNE Track_Enemy_End
5 g7 b' H# a2 h' r9 g; M$ J - LDY Enemy_Index1 _+ y/ g) Y5 A
- JSR Track_Enemy_Y! k6 T5 c3 r; r2 b J# r8 }
- LDY Enemy_Index
; a1 R5 k* ~2 Y% k6 G' X; R - JSR Track_Enemy_X g K3 }6 M& {# L4 c; Z
- Track_Enemy_End:
9 h& ~. D3 _( d* I; E/ ]6 b5 ]; D* q - RTS9 D! ?6 Y+ ^$ `5 r- W \% ~1 G
-
6 g. h$ P; n3 ]' b; f7 R - Track_Enemy_Y:# i7 F( @& Y% f
- SEC
8 v# O3 C" ] @7 r. j& E - LDA Bullet_Y_Pos,X
- b2 @; I# g% E) N) a - SBC Enemy_Y_Pos,Y
I# ^2 c% A; K4 `2 z% E1 b - BEQ Track_Enemy_Y_Equal a) t1 H1 R* u
- BCS Track_Enemy_Y_Greater6 b7 O2 e( M" i' S' n3 ^
-
6 b& t5 {& ~$ W; F0 s& } - Track_Enemy_Y_Less: ;子弹Y < 敌人Y* E. j, X. M' V6 d1 G' s' X: h
- CMP #$FC8 [8 _8 D8 [! f: a
- BCC L1_1
! m' E1 R5 d- Y: w2 { - CMP #$FE+ A M. S1 a2 |4 ^! C
- BCC L1_2
& j8 L# ?5 D3 @, a* b2 g) | - LDA #$00
/ {+ b- R9 H- L# R: M8 N - STA Bullet_Y_Speed,X
1 {7 x U" H5 u/ v2 E0 t8 D - RTS
\3 r; g3 b/ ~) H% C1 R - L1_1:
) I( D# X; ?& z/ Q - LDA Bullet_Type,X
# v1 n; e& w, L' ?5 a3 d2 S - AND #$0F9 a# W) l, a1 B* b
- TAY3 l! |& ], ^' s# ]
- LDA Bullet_Speed_Data,Y
2 A% |- R$ K, r) F - STA Bullet_Y_Speed,X( m _# k4 T# S+ s& N
- RTS7 c2 a+ l2 Z+ \. p1 g
* ]( i! K2 ?2 {+ o+ d- L1_2:
. \3 F& C8 U+ I+ `% F - STA Data_buffer0 C, c2 Q, f5 T" U j! @: v# V
- LDA #$00: _/ f4 N _2 [) d, H& \' V
- STA Data_buffer
) v: A5 A- c# `3 f) f - LSR
# D6 Q: P' z$ t& G6 `1 j - STA Bullet_Y_Speed,X
, W/ V0 q- j# ?- K" g! U - RTS
; M* Q. h- ~9 I! H# _- b - * W& U1 e) {9 H5 S1 S# s( Z+ t$ A4 h
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
E! q9 n/ v8 k H - CMP #$04
- f' W1 c0 w9 ^+ } - BCS L2_1
7 V' W8 X4 }- w - CMP #$04 `+ {) c$ Z3 J7 S, ^% N7 }9 W1 {0 k* w
- BCS L2_2" q# P: e, Q6 A$ l3 z
- LDA #$00
4 h5 g( U- E* Z g - STA Bullet_Y_Speed,X6 k; N V: t$ ]4 |3 W& K4 Z
- RTS5 i% h5 f+ |+ }* i& p
- 3 C% I8 _2 Y! ~$ G0 Z
- L2_1:, h1 u/ O+ {# Y- x4 a4 x* E
- LDA Bullet_Type,X
8 n9 E' i5 I" l q7 k# j - AND #$0F
2 |7 M3 u* s4 X! J t- u - TAY
0 E& ^& N% [/ u0 ]1 n: b# F - LDA #$00
- h8 R1 Q9 Y# \9 v - SBC Bullet_Speed_Data,Y
x' h( {1 b1 P$ x; J: k3 [8 z - STA Bullet_Y_Speed,X
" j _ X/ s, S& G' u - RTS( T: T& ?' B6 }9 U% T1 Y, e7 X
-
* `% R0 `/ k, \. \: Y* v; P - L2_2:
, u1 a' p- R3 T0 `( o! W - LSR
5 }& n( h6 i; s- |/ T0 _ - STA Data_buffer
/ n! T% w9 C' F+ z - LDA #$00
1 `1 q- E7 h# o \1 ^' Q8 R7 B* W9 Q - SBC Data_buffer) g/ }- h; x9 C* l x; m, z+ v! g
- STA Bullet_Y_Speed,X
8 X+ k# @7 y8 P9 ?2 T9 r5 z - RTS
0 b, U3 n: t8 o& f& n -
1 R, e+ e4 K0 O- o& U" j3 i: h - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
$ I$ Q8 b* m2 x8 x' U3 | - LDA #$000 f0 \" g' D6 u9 ?, a, b# t
- STA Bullet_Y_Speed,X4 A9 y, ^' G. w
- RTS
$ P' b. @7 f* z+ H6 [) D -
$ B' \& C# {. J7 }! h2 a - Track_Enemy_X:
' `( s! E; ~& o0 u: h - SEC
+ w& D/ }3 K: v# t/ _6 x6 @ - LDA Bullet_X_Pos,X a- Q3 V' r) L( @
- SBC Enemy_X_Pos,Y
3 i* y$ E' h6 s+ R9 N) e - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X; ?* `* X" z2 i2 r* I
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
& E1 s( X- h* o* v: g7 a! D - ! t" N, ?8 E+ p: A2 R+ q
- Track_Enemy_X_Less: ;子弹X < 敌人X
0 M4 H1 `8 w$ N; d+ u - CMP #$FC
7 o; o6 x' _5 f! _1 n6 ?" o4 h' T - BCC L3_1
2 W2 X1 ~/ x# j$ Q6 \* A - CMP #$FE
g5 w* p+ s) A- ~5 L3 l( Y - BCC L3_2
+ P" K y" n* O( H1 | - LDA #$00
4 n3 h$ b' Y! Z# P - STA Bullet_X_Speed,X7 y, }+ t: S7 X; Y6 O
- RTS
. L5 ~) C0 h, L5 p1 F - L3_1:
2 a) P( |' k: M0 C - LDA Bullet_Type,X& k; c$ H+ W) [- N* i1 [
- AND #$0F$ [" }1 R' W( G) A
- TAY
6 S. W( n- Z3 z. V - LDA Bullet_Speed_Data,Y8 j/ l# w" z, @9 [; y) J6 R9 m
- STA Bullet_X_Speed,X. L9 J$ m$ n% O- R9 c7 d4 u# z
- RTS
6 r) D: r6 M2 N+ E& n2 `# W" D - L3_2:
# c+ V) H5 g R7 q V - STA Data_buffer/ q& j; `& H3 K
- LDA #$00
, L5 W( }6 Z" [- q- ?. m5 P- n - STA Data_buffer
) o7 ]$ \) `0 j2 ~ - LSR& {; |0 H) v1 L; R2 d
- STA Bullet_X_Speed,X
/ `9 H* e6 z. m4 u g/ ?& S5 O$ e - RTS/ W" O; X( @1 Q4 V' P
- 2 k Q6 D: _& r6 g
- Track_Enemy_X_Greater: ;子弹X > 敌人X7 [6 _7 [; d( U5 h/ `$ b
- CMP #$049 z% g5 ]/ T3 _) }. G3 @ }' L
- BCS L4_1
Z S& y) r( o: f3 q; q' O - CMP #$02
$ q/ `( v2 f8 T% ]8 N - BCS L4_2" R0 G- H1 y' O* M$ z" R' ~
- LDA #$006 T3 |# ^% T9 N
- STA Bullet_X_Speed,X+ h j$ c3 m5 I. J, D; _8 J5 D
- RTS) c/ f" `& u5 s3 l7 O: C
- $ ~( l Q9 R0 K/ b4 C
- L4_1:
, w7 K2 {. Y3 Z - LDA Bullet_Type,X
5 Z! ^, E7 ^/ b1 B; C. n, l - AND #$0F; q, R U9 j/ x6 E8 L8 P9 `/ `% k4 V; v
- TAY7 l7 A( I2 v9 Y% H, p$ _- b% J
- LDA #$001 G# }; H" ?" ?# b# L% p( T
- SBC Bullet_Speed_Data,Y9 o8 G2 V& |1 C1 d
- STA Bullet_X_Speed,X
) Z1 {# _0 P' q! a - RTS
1 F1 c( z$ }' D/ S( Q - L4_2: 8 r8 _ C8 W" J* W2 ?
- LSR$ l1 ^0 M; x% z. H
- STA Data_buffer
- |) U# H' i/ @# q8 c, n* H8 z4 O) d; X - LDA #$00
. X# i' V9 m( j4 ?0 B; @ - SBC Data_buffer
?/ H* s# Z; O+ ]6 K4 v - STA Bullet_X_Speed,X
1 h# Y0 o% b# M8 N; {+ V - RTS, z: h: l8 O# `8 t& _& Z# D* d0 {
-
1 d4 v0 I3 V+ c) x$ Q( m - Track_Enemy_X_Equal: ;子弹X == 敌人X
3 ?6 y0 A; |' | - LDA #$00: i7 [5 n1 ~' c
- STA Bullet_X_Speed,X
* w- N0 _1 P3 k" c8 e8 ^6 c- r - RTS
, r) J5 g5 z M0 v! f( D -
% B% ^0 i1 J4 l* N( {6 Z - Bullet_Speed_Data:
0 a* ?5 H: N: n. n - .DB $00,$03,$03,$02,$03,$03! I- E8 D: |/ B/ R( J. p
- # q8 q$ g$ [4 f2 b
- ;2, 4关1 V# h m5 o; T/ M% J
- Track_Enemy_Ex:
( h G% T" ^0 ^: I - LDX #$0F- { _7 B5 \: b# \7 H1 G, D
- Track_Enemy_Ex_Begin:* j; i9 I' W; \: K/ @# n- ~: w
a' Z. A" |+ }( G$ ~- LDA Bullet_State,X$ ?; H; A9 a3 ?& }6 ~; ?( l3 y, g
- CMP #$01
& d7 ^' R& i; |& D6 E/ P7 V& w - BNE Track_Enemy_Ex_Continue- S( m/ t6 g9 o! H; i% U+ i
- 4 t0 O: I1 v. c
- LDA Track_Enemy_Index,X
$ f" Z) A) t6 n9 U8 D3 B8 s - CMP Enemy_Index
( b' e. U. Y2 F" y) g - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
4 l$ ~& c- H+ \* Q* [% S# j -
4 G X& m- a( M# Y# ~5 u3 w$ e* c - LDY Enemy_Index( s% O( K9 t1 m4 l8 t
- JSR Track_Enemy_Ex_X$ }" o# J0 `0 D4 B. o3 t+ O
- ; V* Y( \: m$ m
- Track_Enemy_Ex_Continue:
1 w9 d6 x R9 D- l; {1 W - DEX
! Z8 w+ u1 h/ n1 [/ w% |4 q7 \ - BPL Track_Enemy_Ex_Begin
4 p' `) `0 G8 Y: J+ q - Track_Enemy_Ex_End:, `: I9 C6 g4 L) J
- RTS
7 A. ]% {4 B" a7 X6 L) ]# l - " f# C1 v7 g) F( c9 E
- Track_Enemy_Ex_X:$ [; \4 J3 C2 C5 i$ V$ f( v2 z3 }4 C
- ;LDA Bullet_Z_Pos,X7 b0 [% x6 c! ~, k+ Y
- ;CMP #$04
! F. U' q7 q( P' a7 I0 D - ;BCC Track_Enemy_Ex_X_End. I+ ~3 c5 u _2 ^
- SEC; C% L/ @1 ?, c1 i, y j6 @
- LDA Bullet_X_Pos,X
% I J# T% X6 f$ \ - SBC Enemy_X_Pos,Y
% y0 q7 O' u& ]. j6 B: m O - BCS Track_Enemy_Ex_X_Greater. V- b6 p8 ^* M- c7 _5 a
-
/ G( ^1 e! @& R+ I3 |+ N' e - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
3 F; i0 ]: h' f" o1 k2 M - CMP #$FD
" L+ t+ [- V4 s2 B+ @/ A$ T - BCS Track_Enemy_Ex_X_Less_End
9 d& Z: O5 ]/ y3 E& }- F4 t+ T* t - LDA $6020,X4 Y9 z0 e, w, [; e5 [! ^4 L* T4 S* b' m
- CMP #$2A
& N- u6 ?/ N9 W - BEQ Track_Enemy_Ex_X_Less_L1% l0 t2 B/ x/ s5 {" Q0 [6 ^
- LDA Bullet_Z_Pos,X
7 z* X2 H8 m+ f) b - LSR
# I) v [" b8 Z* R$ h - TAY4 z8 z- x& O: ^" p k4 b
- LDA Bullet_Speed_Data_Ex_R,Y
0 }8 ^( h A& N9 Z _6 ^ - STA Bullet_X_Speed,X- } g/ K) ~" p8 l# x
- RTS4 K" L- q. v" n; y1 C8 Q
- Track_Enemy_Ex_X_Less_L1:
# R7 d% w% B+ S- c/ @2 C6 v, V
, y: i3 `5 w( ?& Z0 }- LDA Bullet_Z_Pos,X9 t1 P$ s$ O/ k1 Y
- LSR K x( [' r" n* U6 n
- LSR0 d8 ~% Z& A& Y" f. o% {8 x
- TAY
+ ?* K5 Q% r& |% t5 n# i2 V `9 O - LDA Bullet_Speed_Data_Ex,Y3 U4 W2 G% |1 q
- STA Bullet_X_Speed,X
1 d, g' s( r" r/ K+ i: i1 O' g - RTS
: ^0 V0 x; X6 X- R - 7 f1 U! T( U- j3 z! Q0 Q( R% ^8 _2 O
- Track_Enemy_Ex_X_Less_End:2 Q. ^) \! U3 B
- RTS
% V1 R* Y6 C ^: r
/ Z2 u k/ M7 ~/ m7 j) M- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
: D; P) N/ b# \3 V" D - CMP #$03/ M, M7 ?' W! m+ e B b; }# G+ e
- BCC Track_Enemy_Ex_X_End8 W3 a. y+ I- T9 \# h! G6 ?; H
- LDA $6020,X% V$ K& E) [. U$ ?
- CMP #$2A- O' B4 t* N' C' A
- BEQ Track_Enemy_Ex_X_Greater_L1
6 K; V, F, p$ r2 h7 l5 j - LDA Bullet_Z_Pos,X2 d' d7 k& x( F# Z' Y L
- LSR
; Q, U, `0 H" T& D/ S. M( |# T - TAY
% g1 H0 P7 l4 T0 S [" d - LDA #$000 q7 e6 |& |$ l8 ]. p
- SEC- x$ G5 N' q* G+ G) s: [
- SBC Bullet_Speed_Data_Ex_R,Y& p5 q7 k+ W" e& h% R J+ i) t
- STA Bullet_X_Speed,X! C: C4 D, v/ ?( ^2 I S
- RTS
, I% l1 D; ?: X& ~3 i X - 8 M% F* O# \9 {5 j3 P% M* B0 _; Q
- Track_Enemy_Ex_X_Greater_L1' v1 d2 f+ u; X* D0 T& P# b$ K
- LDA Bullet_Z_Pos,X
$ Z* c# L" O( y) o6 U! h - LSR
& |1 _/ b+ R- v1 G* W - LSR
2 c1 X1 v! B n, d- s, _ - TAY
V4 E- s! R, N, c1 B7 S# d" |, o) y3 w - LDA #$00
( ~8 k/ y4 n* N* {& Z6 q! E' l - SEC
* E7 |# `$ K. y0 r5 f4 T9 W6 U - SBC Bullet_Speed_Data_Ex,Y, ?5 J' V$ S& @
- STA Bullet_X_Speed,X
1 ]8 s+ u: `' ~' @& e, W - RTS
) V# [0 Y6 M; m -
: Z0 O9 S* \' D9 X4 _3 j6 m - Track_Enemy_Ex_X_End:3 U3 h* a" h+ z, q2 l5 p7 m- P
- RTS0 l8 U4 _0 g: z; s' }/ @# }$ x% W3 n
- . s& {/ a' s8 }7 V0 p
- ;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)
2 D- P0 c% ]* D' q ^ - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上3 ]3 b5 S- K0 b; @
- Bullet_Tract_Direction:3 C5 F& { V$ U0 _% ], R0 p6 C
- LDA Bullet_Icon,X Z" n4 {5 a K
- CMP #$23+ ^ ]( S" L5 o3 \& t7 S* v8 ~3 S
- BCC Bullet_Tract_Direction_End. }" N: }+ s9 g9 o
-
7 w1 ~& ^- X8 B& K6 P. t6 \ - ; X != 0
& f( I' A( z/ D a9 r. k. s - LDA Bullet_X_Speed,X
$ m- X: L) Z1 l# s* d - BEQ Bullet_Direction_V
& B2 Y% M5 V. h, } - 9 H+ @; d4 S7 W! r
- LDA Bullet_Y_Speed,X
$ ?. H) t" e# \. [8 k. w - BEQ Bullet_Direction_H0 o$ j2 G+ Y( F1 U
-
2 B+ r/ l6 E- _* ~5 I+ m& @" R - LDA Bullet_X_Speed,X( Q8 {: N5 H1 N2 u% g+ P
- BPL Bullet_Tract_Direction_Right
, o3 x8 @/ x! D( k) _ - Bullet_Tract_Direction_Left:3 f7 ?$ C; b9 b( @
- LDA Bullet_Y_Speed,X- r9 W! r. T# X+ w1 ~
- BMI Bullet_Direction_Left_Top8 I2 W) G8 r% X+ E0 m
- BPL Bullet_Direction_Left_Down- n! |2 _: @1 Q3 R
- Bullet_Tract_Direction_Right:
' d5 W! @6 O ]' y% y - LDA Bullet_Y_Speed,X
* f7 {2 ]4 E9 v( ` - BMI Bullet_Direction_Right_Top! h7 D5 A( u0 B( P
- BPL Bullet_Direction_Right_Down/ X V2 ^/ Y/ x* Q$ w- E8 M
- Bullet_Tract_Direction_End:
, B+ @ {5 f, F( ` e. I - RTS
7 d5 t- A" D( T# i
: y6 e" q' @$ g' L- Bullet_Direction_Left_Top:: d6 o! `, I6 S5 M
- LDA #$25
; y# }: l# `) M3 ^, E1 G" | - STA Bullet_Icon,X7 X* V a0 W f
- LDA #$C0
* _! u5 b9 S: B& x* ~+ e - STA Bullet_Direction,X
3 Y2 B K2 l3 R2 D4 B( D: _ - RTS
5 n" e7 G6 r3 w% i! ?0 m
$ S9 S6 a, x. J% o5 e- Bullet_Direction_Left_Down:
q4 ~( l9 \, o* I1 E - LDA #$25
* p8 _' r) g" b& i1 L: T' o: a# F - STA Bullet_Icon,X; v8 r# V7 i$ `# W. }3 ]
- LDA #$40
7 {6 M& V( W2 ^: x8 z$ R9 A - STA Bullet_Direction,X) M8 c3 a" C1 h; k+ v5 E5 u
- RTS6 M5 t6 p- \& J) m7 t
- $ e8 \- k$ H( o) u# C# u
- Bullet_Direction_Right_Top:- E) v3 I, g1 ?. v$ C* b" x9 Z, \
- LDA #$25
7 \- [4 y$ w. ^4 k# x) T - STA Bullet_Icon,X
' r; G+ |6 x! e0 B- I* c! K - LDA #$80
4 N+ W% Y, k# m7 b, }2 ` - STA Bullet_Direction,X2 x$ ` ^( u& o7 L6 G, m
- RTS
9 X" {9 {6 `) G1 k
; p+ p" l1 i1 V- Bullet_Direction_Right_Down:
: C, ?6 e) S$ G7 h+ X& T' r# @ - LDA #$25
5 Y; f& `4 _2 Q- c! i6 { - STA Bullet_Icon,X: _) o2 d( U" v5 D1 T; G0 ^
- LDA #$00
( a6 A) S5 x0 ^& m8 b5 i - STA Bullet_Direction,X
! }# [8 i6 ?% y+ I4 I3 @) O - RTS/ I, I2 W( P* k" A6 `2 a
- 1 ^3 ~/ i8 l& x# Y. P, i
- Bullet_Direction_H:
7 f2 c, x' O* |7 ]. t - LDA #$246 c9 Z8 b: m# L9 ~' j Y' t. z
- STA Bullet_Icon,X3 }2 `% I# j9 e& Z
- LDA #$00) C# l* A4 ]3 j( w; G
- STA Bullet_Direction,X& p) e* {6 f/ F# C& k
- RTS% {/ u5 w0 V6 P8 ~* m7 S) W6 w
6 n- u. p( a E* O; h; J- Bullet_Direction_V:
! f) Q4 Q3 S( m; U - LDA #$23
8 N4 k' T3 }% N3 i - STA Bullet_Icon,X. [. ~# G, a* j& N; a. ]9 z7 @
- LDA #$00
$ r/ X( L; b, b/ \( C - STA Bullet_Direction,X
3 @/ Y$ `- o+ Q9 |6 z - RTS# i8 _+ A: j, L E0 A8 x
( e" }5 ]+ N) C3 W- i- Bullet_Speed_Data_Ex:
" A. H$ q0 C4 V: v' S - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04" p { [6 o: `% R; h' [* ?
- 8 C1 _, ]3 H6 \% x8 B
- Bullet_Speed_Data_Ex_R:
( D1 o9 K' x! ]. ~. X( N" C4 l- P - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08 E3 _# _% x% z M3 P3 h# z$ q
-
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