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[FC][魂斗罗][J][追踪弹]
8 d* S8 P5 O; Q1 X& [& P& G, a* q% A3 L7 [6 W( S. {
时间:2023.04.30
3 ~1 S: D* [+ ~% a) R3 a6 Y7 g! J+ y: {作者:FlameCyclone: G( W8 a5 E( H, C: r% {+ ?
内容:6 I7 ~5 i/ n3 M
1. 所有子弹追踪敌人) L1 A w5 z; F$ @
2. 选择键切换武器
/ l& e+ s1 T3 w. G$ ?& q6 S6 l0 o 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5 w5 b% F5 P) r& K5 }( V
0 ?+ J1 e/ O4 m. [8 @1 ^flamecyclone.ys168.com6 X: H% S- B; N9 h5 S, P% w

# I6 U2 F2 u' R: C! P/ d3 k: d0 S& D- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
% P" C: P- v- H. i' M9 X - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L2 b. }7 L0 ~/ `( 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)
7 R8 d- {0 ]* K- _7 M; y - 4 T' ?; T6 z3 K1 |% b1 J
- ;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 B1 F3 r3 g# c5 o/ i2 q - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
/ m% h( X/ f$ A/ H( ^7 K4 x9 @# N# _5 I - ; o* X8 {, h) ?6 V& `
- Track_Enemy_Index = $6000
# ^7 Q, W# p. H" i1 C. n& U3 q7 B( |* \ - Enemy_Index_Begin = $6010" f+ }1 U, ? E- w. ^1 m
- Enemy_Index_End = $6011
$ O3 ~7 g# [& T; q5 w - % J0 v4 I2 @1 X7 ?
- Loop_Index_I = $6012
9 H/ _0 E J9 p5 s1 P/ m - Loop_Index_J = $6013) W: i* v; ~1 c5 J0 Q
- nEnemyIndex = $6014
/ P' r: c( i, D. V# m6 Y - Data_buffer = $60153 ?% S+ o. w/ F' P6 Q
) M2 ^% ^! Z; z# h7 z- F$ k- Bullet_Y_Pos = $03B8 ;子弹垂直坐标! u0 C, v7 D- m! B: r+ h
- Bullet_X_Pos = $03C8 ;子弹水平坐标
, l. z% R i4 h - Bullet_Y_Speed = $03F8 ;子弹垂直速度1 j3 C; D+ w3 l
- Bullet_X_Speed = $0408 ;子弹水平速度
" z- M# W- E* a" w - Bullet_Z_Pos = $0418 ;子弹Z坐标
& ^3 I& Y+ s7 \/ h2 {2 K: T+ C - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P. G" b V3 O% Z
' S* @2 {# Q3 @7 j/ s2 }- 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9 A" L3 Y! l% F7 `% z5 ?1 _. W6 @
- Enemy_Blood = $0598 ;敌人血量+ S- F5 W& v$ O' r+ }3 i
- Enemy_Type_Addr = $0528 ;敌人类型, [1 T0 A$ Z% P* ~4 |/ j# t" q
- Enemy_Blood_Addr = $0578 ;敌人血量6 b. M0 S2 R& X$ o3 b4 c( Z* ^
- Enemy_Y_Pos = $0324 ;敌人垂直坐标6 U: B) ?! g* C- u4 A- h
- Enemy_X_Pos = $033E ;敌人水平坐标: G4 a! ~% A1 l' f; j* K
- Enemy_Y_Speed = $04E8 ;敌人垂直速度3 N9 ?: @5 a0 i) v; M) B
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸5 G2 U$ x% Z, n5 b7 B" Z) g
- 9 m; u3 M7 I4 u, e
- Enemy_Index = $83 ;( ]' u( g' e% ]1 T. ^' n+ J: t
- Time_Count = $1A! h1 x7 b$ p2 ?9 ?/ \ G% @
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率" ?( ~: C! x0 z Q, q1 Q
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率: |7 y& V$ D F# q. u0 G
7 _: i7 S. q4 X v' @% x( h) R- 2 ^5 z: e8 L6 Q; X0 H
- .ORG $6100" ~* `7 e3 M( T
- Process_Begin:
3 |3 r, o; e+ g0 r0 h z h3 i: _- ^ - JSR Enemy_Check
4 f& G, ?7 [; o7 Q$ G7 m# b" }9 { - JSR Track_Enemy_Check& k5 d) g/ b& F2 \9 ^9 _: W4 g- e3 H
- Process_End:
1 G9 y; m- @6 l1 ] - JMP $E54F6 Q2 z* S6 C+ `
: A# R3 F! {& Y% M- Enemy_Check:; F$ E$ @# E( j. Z& \
- LDA Time_Count6 m8 O! [, r6 q R! u6 i
- AND #Track_Bullet_Speed
- t& d0 t; G! x' P; U/ v: E - CMP #Track_Bullet_Speed2 b0 t- h1 H# x' u$ N0 r H
- BNE Enemy_Check_End. f, E. L; A" ^9 H7 C4 P
- LDX #$0F$ {6 ]4 L$ @3 ^' C* j0 z* J% }, S
- Enemy_Check_Begin:/ D9 w! |* v2 l6 H8 L
- LDA Enemy_State,X
) c0 E( b4 s: J3 Q+ @3 a+ H0 Y+ Z - BEQ Enemy_Check_Continue/ J4 W$ p p) t/ @( S/ Z6 N$ F; ?
- STX Enemy_Index
, ]- W! B! o0 e; V1 {. a% U4 Z - JSR Find_Begin_Enemy7 D/ p8 ~7 c. W
- JSR Find_End_Enemy
2 S- J1 G0 e0 u8 Q - JSR Bullet_Track# t- h# T! v+ S: R8 }
-
5 o" J% Z: r O: g' j$ r" f - LDX Enemy_Index
! \, ~" [2 B& O" G - Enemy_Check_Continue:( o; W3 r y, N- r* }4 B
- DEX
# }0 x- t8 U# z0 y1 Q! ? - BPL Enemy_Check_Begin- }; r: i' I. H
- Enemy_Check_End:, J* c! G# p3 u/ Q0 _% ~, T
- RTS. r9 b5 f- _2 `4 X& i( D
- * P) D5 |7 G" c/ y6 w, i' V2 p
- Track_Enemy_Check:
, x9 x* W" h* d - LDA Time_Count
- L1 G! h# z4 m1 r% q" Q) F2 h; z - AND #Track_Enemy_Speed x: f( s# K5 P+ c1 u
- CMP #Track_Enemy_Speed
U3 i1 R. E+ D s, { - BNE Track_Enemy_Check_End$ w1 m+ z% V, I! P
- LDX #$0F
. g3 a2 C( x& t0 E& J" n" F - Track_Enemy_Check_Begin:
1 o) C3 @) X' @1 N - LDA Enemy_State,X0 |- }% \: y$ T8 k+ A
- BEQ Track_Enemy_Check_Continue
" n/ ~$ z3 m2 Q+ Y; ]1 R8 ~ - STX Enemy_Index/ s* O# E* [. q. m! r6 d3 X5 U
-
0 n( ^5 |! \ @3 J! B) Q* j Q9 u+ g - LDA $40
$ c' I' z4 ~: {( y- p% { v9 ^ - LSR
9 j' [$ X" o* T9 G& w - BCC Track_Enemy_Check_Begin_L15 C9 f# z, I) i
-
6 ?8 H! A0 d! x8 F; {. f - JSR Track_Enemy_Ex ;2, 4
% p) k0 @% ?" N, N+ L - LDA #$008 Z( a p1 A" p9 c0 {5 @! [- |
- BEQ Track_Enemy_Check_Begin_L2& K8 J4 V: Y K. e9 N2 X. u, h
- , U% t# M6 J: l. i _
- Track_Enemy_Check_Begin_L1:
' d- n& g! b+ _+ t- h - ) ?( Q+ W/ X# h) \# U: n" H
- JSR Track_Enemy% T+ E5 W( M: S5 _2 Q6 |$ H
9 ~- x) ?7 T: m, p- Track_Enemy_Check_Begin_L2:- ^& U2 h% N9 L; B
- " y" H1 K* ~% B! ]3 l, Z2 k
- LDX Enemy_Index; X/ E# X* X4 Z% ]" J/ w2 @
- Track_Enemy_Check_Continue:
) v* X! F: z. U- M3 [, M/ ` - DEX) r" H$ ^1 e, d4 O u
- BPL Track_Enemy_Check_Begin( u* d4 Y6 Q+ f- P: ^
- Track_Enemy_Check_End:
5 o. s/ Y' d4 s m- ] - RTS" q/ g7 o) H- ]( v0 @2 P4 v
/ [" E( ~0 ?" Q) @/ C" a- $ D! a5 ?7 |7 `( H
- ;查找第一个敌人4 c$ o6 q. U2 } m
- Find_Begin_Enemy:
* _. f8 Z2 {* g/ `1 c8 `4 ? - LDX #$00 V2 d# b! }0 C& N/ d
- Find_Begin_Enemy_Check:
% W2 D f$ {, {' y/ J7 P: c - LDA Enemy_State,X5 q `0 y. T' T: B8 q6 T/ R' S
- BEQ Find_Begin_Enemy_Check_Continue% ^5 e- C# u) v) e3 w. ^" A
- LDA Enemy_Blood,X" D1 V l& L+ R
- BMI Find_Begin_Enemy_Check_Continue
6 O T( g8 p4 b$ ]1 {5 F - BNE Find_Begin_Enemy_End
* W* i8 h; V% q" b9 `* D. [; F -
2 O O& R4 [4 _7 T6 N# _5 J - Find_Begin_Enemy_Check_Continue:
+ A; O/ W* Q" L+ m8 l; E - INX
, a0 D) {1 N3 I2 F' f1 v+ f - CPX #$10
$ V9 `; U% a8 w" f2 D5 \ - BCC Find_Begin_Enemy_Check( O% [; z/ M# M
- Find_Begin_Enemy_End:! H: U+ }( @* S: S9 ^+ c4 y+ l
- STX Enemy_Index_Begin( ?% Z0 J! q* V. V2 J& H
- RTS6 \8 `' W8 O0 x/ M$ x& ]7 h
5 x; a: J& B9 T0 j- ;查找最后一个敌人
3 R0 B' I" A8 a4 D4 _ - Find_End_Enemy:
+ }- F1 o& Q6 u9 s - LDX #$0F) k; z% U( U) {7 h& W$ U
- Find_End_Enemy_Check:9 ~! |2 A% |, ^0 T
- LDA Enemy_State,X( Y7 q4 g+ G5 M; m
- BEQ Find_End_Enemy_Check_Continue
; U% q8 X% {! Q7 y( C - LDA Enemy_Blood,X* Y @0 o8 H. j% f
- BMI Find_End_Enemy_Check_Continue
. ^" N5 @8 g' _. Z8 y& r - BNE Find_End_Enemy_End; W; m" ~, f* Y9 f( l4 i
-
! O. \+ C+ Y* p) \; d5 b9 k1 Y - Find_End_Enemy_Check_Continue:2 N _" q3 C X/ J
- DEX0 K% p" }+ d4 V& i1 c& z* d- q
- BPL Find_End_Enemy_Check
! k) `; T8 {7 o - Find_End_Enemy_End:( S8 i7 j# ^0 g S
- STX Enemy_Index_End
* z( c6 M3 N7 l7 S7 { - RTS
) U) E6 k; b6 H
2 K( E7 E, f |7 j- ;子弹追踪
/ I! k, K& P& ?4 g# s, c - Bullet_Track:4 N5 y* Y4 x* C m' l
- LDA Enemy_Index_Begin
1 @4 i, [+ o5 [! Y1 f/ B5 i+ Z$ R - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
, W$ G" `8 |3 k( k% V- T; q - LDX #$00
) }5 U9 C6 u! h6 l' ^$ Q3 y - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)# m0 M6 y4 j) Z. n7 T' M8 t
- LDA Bullet_State,X
* j" C& F( N5 e# l$ X3 ~ - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
' ?3 D" U+ K% s - STX Loop_Index_I
4 U3 T: {3 ]6 o8 ]: e -
" k- k; R! ]# C1 Z/ e8 s' H2 C O - JSR Bullet_Track_Enemy' S, @7 s) K w
- JSR Bullet_Tract_Direction
3 @/ m2 k( V; p - ( v1 q" Y% Z6 q( T* j
- ;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 k! X/ E( r5 R [( w
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
1 X; {( B" {" o: ^" Q: G - LDA nEnemyIndex
& ]5 [' Q* u1 F9 k8 T - CMP Enemy_Index_End4 V9 a, s2 \& I; f. F m2 v
- BEQ Bullet_Track_Check_Continue
. H6 I3 V5 w, _6 J3 v/ D! }) k9 ] - BCC Bullet_Track_Check_Continue
. W0 \: | j5 M8 T - LDA Enemy_Index_Begin
1 M0 r8 z) s; m5 P5 A7 |6 w - STA nEnemyIndex9 A, E5 a, O4 P
- ! F$ e k' m; S
- Bullet_Track_Check_Continue:
& }* H# O( { s* L/ d) m: X5 U( V4 K - LDX Loop_Index_I
9 {3 D1 _+ N3 J' \; V - Bullet_Track_Check_End:
2 X" f" j- H4 P" D - INX
! m& Q, Y; t! f - CPX #$10, g" Q8 y3 ^8 L0 N5 p) X
- BCC Bullet_Track_Check
+ ]0 t' }1 E+ |; s* V) S - Bullet_Track_End:
) f" S, U V9 E' N3 O" ^ - RTS
7 ~+ a6 h$ D8 v% ?) S# o - 4 w, T# L% S" n4 p$ o
- ;给敌人分配子弹
6 L: W$ f% y s" E9 a5 s - Bullet_Track_Enemy:
* O* v; u; Q5 Z+ f - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++) D/ Q) i6 Y% G
- Bullet_Track_Enemy_Check:
0 a# y3 c* l& ^, t - STX Loop_Index_J( k( c7 U- J2 D f
-
. _( w- M+ S5 D9 A: {8 p/ }% n9 r3 d8 T - ;if (0 != nEnemy[j] && -1 == nTrack[i])
% O( j8 n( f3 X - LDA Enemy_State,X. t* y9 K: i" u3 u6 |1 y
- BEQ Bullet_Track_Enemy_Check_Continue5 \' w& @ I/ F$ x V! h
- LDA Enemy_Blood,X- N; Y8 `" R+ s( X6 h
- BMI Bullet_Track_Enemy_Check_Continue- k# i8 A3 ?0 i7 _+ ]
-
9 e* g$ t% S+ i& V0 X8 F& j3 d% y - LDX Loop_Index_I
/ i+ t2 [+ b& l& @# J - LDA Track_Enemy_Index,X3 \0 i1 \8 S/ z2 \: h' z
- CMP #$FF- _. z/ E( `" _8 K" n
- BEQ Bullet_Track_Enemy_Init& [# \- x: N1 j: m
- ! g% {# J# ?, z) d0 c' c- Z% r' A
- Bullet_Track_Enemy_Init:/ {. q# Z2 c8 S/ U
- LDA Loop_Index_J
, |3 t, K2 l: C ? @5 U - STA Track_Enemy_Index,X ;nTrack[i] = j;: m p) b! q# S4 ?6 m
- 0 N0 b. i4 s+ F; r* X- p0 `
- STA nEnemyIndex" F" D& {4 `- P; `* A; w! ]
- INC nEnemyIndex ;nEnemyIndex = j + 1;' G- g+ S9 J) b! a
- RTS ;break; \# B3 Y' A/ Q; g( ` Z
- 5 m8 @$ P) A5 \! J5 r D, [
- Bullet_Track_Enemy_Check_Continue:
- D" E, n0 K$ R6 o - LDX Loop_Index_J# h) O% W/ t/ m6 b- L8 H# |, I ?+ v
- INX ;j++/ r8 | N* T3 T# z4 `
- CPX Enemy_Index_End
# ~8 A+ |6 W: @1 \8 | - BEQ Bullet_Track_Enemy_Check: ?- Z4 D. G% v6 A3 E- `8 Q6 I! O
- BCC Bullet_Track_Enemy_Check, Z! S5 G7 _" m
- Bullet_Track_Enemy_End:
0 f. o5 F$ {( S3 w/ v! t3 B - RTS
! F# C! ~% Y3 I
% a9 F" ]0 G* U" w+ A$ X- Track_Enemy:; U! g8 y+ Y6 S) m! z1 x# {
- LDX #$0F
" e9 c, K* c$ B" ` t, f - Track_Enemy_Begin:$ S# a& J2 Q4 E& p: n: N4 t
- LDA Bullet_Icon,X0 r. H" x& i8 v- p
- BEQ Track_Enemy_Continue3 E9 H8 U Z! X9 |5 C1 n1 N
- LDA Bullet_State,X
. ]0 m5 P! t* k: I# F3 V# \ - CMP #$01/ x! V7 P& n- \+ U
- BNE Track_Enemy_Continue# f* ~; ]9 f/ g2 x+ Q& r
- i8 U M" `1 i5 [6 X l( Z$ K f7 P2 q
- JSR Track_Enemy_Process9 Y# Y1 `! k* y* \ m' b2 u8 M3 I
-
" r C; e* p2 A - Track_Enemy_Continue:
$ S9 G: O$ m( ?# q* {! a - DEX
c9 |4 d# e* _! G - BPL Track_Enemy_Begin
+ |% R/ A) X; { ?1 a3 ~% m - RTS9 S6 d/ {# ^; x2 E/ w
- m1 E4 e+ W7 U5 }# i
- ;普通关卡/ u- _5 S0 g, @5 m# D. w; [
- Track_Enemy_Process:7 k* |8 \! L% ?, e3 n' ^' w. @ {
- LDA Track_Enemy_Index,X
f! i. ?9 u+ {1 p# L. H& q- s - CMP Enemy_Index
+ d4 t6 S. A6 z$ y( i; k9 @ - BNE Track_Enemy_End) h% d% ?5 R# u* U/ p( c( L" H. M
- LDY Enemy_Index6 j+ U0 M' v5 ^% G0 `
- JSR Track_Enemy_Y, o: B! ]; o5 L2 p, `5 f, n! o0 _1 M
- LDY Enemy_Index
8 O! Y W& {; d7 r7 e# M8 Z2 T+ Q! [: V - JSR Track_Enemy_X
0 |( c1 m5 S4 ^! |% i9 {; | - Track_Enemy_End:/ N; n: X C9 w& E
- RTS8 D) {' |* V9 H7 c
-
+ r& J! {0 i% [ - Track_Enemy_Y:
5 |; l4 w, O: F! j - SEC
( o- p6 y$ z: u# X$ _ - LDA Bullet_Y_Pos,X
( Z+ e4 K% D2 S& Y. [' g8 {; K& \ - SBC Enemy_Y_Pos,Y
$ ?7 |7 o$ C$ f - BEQ Track_Enemy_Y_Equal
; o. a, `, H; Q E) y - BCS Track_Enemy_Y_Greater; z6 w% @) @! `
-
8 \6 V, e3 @! t$ f) c/ G+ k - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
6 z/ J. n0 `6 v4 P" y - CMP #$FC3 @- i" w- d% j. N3 K% k4 \
- BCC L1_1
* R1 T" i% E* g- j) ` - CMP #$FE
. L2 j0 R2 C1 A1 x: G; Z' f3 i* Z - BCC L1_2' _# Y2 u+ Y- T+ Q5 L! D x5 f
- LDA #$00; y( f1 I9 o' u
- STA Bullet_Y_Speed,X" v6 N" W4 Z( Z- S& B
- RTS
5 |* N' S4 x( | - L1_1:
" Q2 W$ j5 ~- ?4 o+ k - LDA Bullet_Type,X# h8 |0 q$ J9 V& Q. u4 E
- AND #$0F
; v. ^5 W5 c' b- T0 x9 f3 z" a - TAY: V1 b, Y% E r$ J; V/ I
- LDA Bullet_Speed_Data,Y
+ m+ }9 ?% D. ?; t - STA Bullet_Y_Speed,X
/ D8 o4 A& _- t, q# p- G/ A- P - RTS
% T* X2 B' Y) g+ G% P - 1 E- u$ |5 G# U" i! E7 c
- L1_2: 6 m7 V: Q4 Z/ y& z( k( k. B# O
- STA Data_buffer9 X3 v/ u5 q( v9 E% s9 M
- LDA #$00
' A& c+ L/ h" a7 \8 s& c/ { - STA Data_buffer
7 @4 {, h" z9 Z( K, j6 P& L# Y9 ` - LSR
5 S. K+ h. q+ b7 M - STA Bullet_Y_Speed,X. n( N: i7 n1 G3 p: ?/ L4 G# W& }
- RTS: h7 o; v% u3 \7 ], ~
! X3 p/ t/ X2 ^( Y& c( C/ s- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y) Q+ e0 B* U5 ~, Q y( `
- CMP #$04: ]- Y8 N3 ^ W% x+ C+ U l
- BCS L2_10 F9 V" U/ v1 i7 R
- CMP #$049 a& p1 P: o3 Q5 y
- BCS L2_2% N$ x Y, a. S9 N+ ]4 h
- LDA #$00
% h0 T6 W; {% G* U - STA Bullet_Y_Speed,X
0 O( B( z z0 \' _ - RTS
- X( l9 y2 H Q2 Q h* [5 c7 [+ z - " m6 A* j9 _* w, z2 D* ~
- L2_1:: V0 F$ u2 ~8 I8 w: _ r9 p$ M8 ]
- LDA Bullet_Type,X- `# D+ s2 W7 x9 Z. k8 X5 }; Z! K
- AND #$0F
/ V7 U) D; p) o5 d: R - TAY
- J8 a# O4 t! t1 y - LDA #$00: ^8 q; p; ?8 [; |, S
- SBC Bullet_Speed_Data,Y3 q5 P! l7 v# V! e8 @* R( L! j# W3 W
- STA Bullet_Y_Speed,X+ \; u2 F4 D* H* G8 X; S2 G) [' J: c
- RTS
m# j {# j7 w- n# T3 Q - ! H; R5 r5 {) d3 e9 n
- L2_2:
& @+ M8 p% G) x8 T - LSR
1 B3 j% h- O4 v - STA Data_buffer
0 n* T% P V7 I3 k - LDA #$004 I, Y2 X. w& `& \
- SBC Data_buffer
2 l6 Q7 \. \ H - STA Bullet_Y_Speed,X
6 I* V% O |% [# l0 { - RTS" a$ K" n1 G4 G* \& i8 p
- ; q# k) v$ Z$ S) \
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y! O: s; ` c+ v3 |' e& Y2 _* `
- LDA #$00' p3 O$ k& q1 B6 @" @
- STA Bullet_Y_Speed,X
9 q9 @1 A* U3 u5 u - RTS/ T$ ]/ I4 K- m
- , }! J6 J. b: L! G
- Track_Enemy_X:
# U4 |( s% w6 m& i$ p# M2 w - SEC4 i1 q* _4 {$ g7 c+ ^+ q
- LDA Bullet_X_Pos,X# b( f, P" G' v; ?; ]& ~& ~$ A
- SBC Enemy_X_Pos,Y
# S) ]* T* R+ D e$ g( P - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X5 j. W# D1 Q, I% V+ @) a* I: E2 D
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
8 e |% X+ g* j- k- A% g1 N) k - ) j6 _ b4 L% l: A1 N! {% q
- Track_Enemy_X_Less: ;子弹X < 敌人X
2 c K O; k8 h* I% O+ Y* @0 Q$ ~ - CMP #$FC$ c$ y, Y7 S0 y3 p& T
- BCC L3_1
, t& C# I5 @% @/ `, F% ? - CMP #$FE& H7 w# N6 j+ [" [. C
- BCC L3_2( E0 C# @% B3 Z# \; D- C5 x
- LDA #$00
( A" ^4 b; I/ @" d7 M9 l3 t5 | - STA Bullet_X_Speed,X+ b8 K9 n' V5 p4 s' L t1 G
- RTS
* K Z2 p9 `$ t/ i. W1 U. p - L3_1:
1 z$ W. y$ | ?' a7 c7 [# K - LDA Bullet_Type,X! D, i8 d5 c0 R; U+ ]
- AND #$0F
& Y, {9 s# R' i' { - TAY
' F0 s' j9 x' U6 G: { - LDA Bullet_Speed_Data,Y
# Q$ w0 ^# F: B, A4 m: c4 v2 M% u - STA Bullet_X_Speed,X
$ \9 P2 f) C% ?/ X' `7 \7 u6 J/ T - RTS
* q1 v0 c# @+ K5 }, k! @# ? - L3_2:
; R! Q" w, K$ B* {% n - STA Data_buffer7 i% h. i- e$ v3 _! h$ q. v
- LDA #$00
3 ]) J& J9 h, i - STA Data_buffer: G% P1 n& D& V1 W( }: i
- LSR
3 ]9 l# L# ?' l - STA Bullet_X_Speed,X
' q# m$ V3 n& z2 E, l$ C7 F - RTS+ C1 G' K6 V+ U0 v
- 0 v w/ P# t5 ^! M/ N
- Track_Enemy_X_Greater: ;子弹X > 敌人X$ U& R& r4 E* m9 D3 `: U9 a& V; F6 F/ k
- CMP #$04( o1 w2 P5 c; [0 l
- BCS L4_1. c/ d6 |8 s; I) u( @" j
- CMP #$02
( _, `9 a8 f" a - BCS L4_2
) Q3 z, c; O! i7 F6 A - LDA #$00
; f7 C' ^. P# N9 ` - STA Bullet_X_Speed,X
& P3 c. w' _1 [ - RTS
5 M4 S% E }; U9 m5 E& X - ) ^7 Q8 B+ K4 }
- L4_1: : m" d& g& Q" V, n* W# n
- LDA Bullet_Type,X1 Y( e+ Q/ q% |; G0 o1 T
- AND #$0F3 [& s% Q/ _; e" V3 C
- TAY* S+ s9 V0 w, F8 ~( U( o
- LDA #$00
: t$ s9 _. B' }( a6 L5 s - SBC Bullet_Speed_Data,Y
# R2 }8 h0 G5 p" Q% @' C - STA Bullet_X_Speed,X
) [ ]8 N& H: x; ^, K3 L - RTS
9 n4 C% M* E0 L( @ | - L4_2:
3 T' k& N' X" L* n. L/ [3 P$ G - LSR3 x' l0 R# \" M$ W; L |; G
- STA Data_buffer
7 z& h6 V4 V6 [ - LDA #$008 w0 x& X2 N) l# d' U
- SBC Data_buffer8 r" z; ~8 N, V; q
- STA Bullet_X_Speed,X4 {& b: Q' U0 L0 N/ U. h
- RTS+ |2 |3 l' Q% j2 T3 }/ j$ e5 }8 Z) `
- / W7 C, `% r9 x7 |6 R. A
- Track_Enemy_X_Equal: ;子弹X == 敌人X
, g. @7 p8 x, H4 u - LDA #$00& B0 `0 K0 H; d+ e* l9 A
- STA Bullet_X_Speed,X
" ~ w& P/ H: g7 g5 ~ - RTS8 k1 r% W$ s. o
- 3 m# }6 }. \2 Q# b6 o6 X
- Bullet_Speed_Data:6 U q7 t1 Q5 A- P
- .DB $00,$03,$03,$02,$03,$03
' g7 \! R' P# W0 E: `! c! ] - 9 D+ F" B3 y* A
- ;2, 4关9 H& G4 E9 k- y2 m9 w; Z) M# {' q+ P% O
- Track_Enemy_Ex:8 _& ^: @. A, C
- LDX #$0F
) Q: j c0 H6 n# T' U' T1 B6 \ - Track_Enemy_Ex_Begin:6 V. l2 }, G v) g0 I
5 S& v+ q: \7 _ P3 ~- LDA Bullet_State,X1 [# a* m$ m, u# y. i8 i
- CMP #$01* L% a5 K- n# ~- S7 I
- BNE Track_Enemy_Ex_Continue
" { f; S4 k/ \, r+ q& T - $ T" j6 f1 Z+ T1 \, t' @
- LDA Track_Enemy_Index,X8 s8 d' T4 P$ m! A- g
- CMP Enemy_Index
5 q, }0 L( I( F% ` - BNE Track_Enemy_Ex_Continue ;匹配追踪目标$ P. R; Z1 S* E/ h- P
- + l* A; |3 G: l* b) N
- LDY Enemy_Index V" @5 I7 F) t1 ]6 `
- JSR Track_Enemy_Ex_X
) g$ r+ X9 i$ [- n! b$ `, p - + l# o Y/ q4 s- ~
- Track_Enemy_Ex_Continue:
9 p. W- p5 K8 b# V# B% i - DEX
y9 h. c. U7 A) m& N* [& `8 n - BPL Track_Enemy_Ex_Begin
4 g- { D7 q- N, k! C; d: y - Track_Enemy_Ex_End:
! {* `* w" |5 J$ `0 F3 k' _9 a - RTS; f8 }8 p7 Q& H. Q$ W1 R
-
1 O5 y8 p" X' k - Track_Enemy_Ex_X:1 i* G1 }; t p
- ;LDA Bullet_Z_Pos,X# I# H. Z7 H, Y$ w y/ |- E% ]
- ;CMP #$04
7 [4 U; X) |# c" y& ]4 h - ;BCC Track_Enemy_Ex_X_End
- \+ S d2 p! D8 J: ~ - SEC7 G) O1 p) V& c# g1 }0 R; b# W) M
- LDA Bullet_X_Pos,X
4 o. V' d' n- v" Z# w - SBC Enemy_X_Pos,Y
- I3 c# p- a6 g, x4 a8 ` - BCS Track_Enemy_Ex_X_Greater
" @! p9 e: X$ f" i9 | -
6 i2 _+ O& C' [8 ?* _$ n - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
! i$ `& o! ]0 K# ]- b0 M2 q. y - CMP #$FD
, |3 V( i! N4 k; V, F, a0 X) A8 Q - BCS Track_Enemy_Ex_X_Less_End
% W9 e i( w1 T- I( \5 J! Y - LDA $6020,X- I9 n0 Z( }* U! K
- CMP #$2A0 C ^: V7 u8 f$ `) y6 Z. @
- BEQ Track_Enemy_Ex_X_Less_L1' S4 S& @3 q4 O. E/ z: D
- LDA Bullet_Z_Pos,X2 p) E' {0 t7 `4 H
- LSR
! t1 Y% l8 E! Y" L - TAY* R3 b- I- i, L0 {' L
- LDA Bullet_Speed_Data_Ex_R,Y$ \* W, ~2 q/ h3 M, m
- STA Bullet_X_Speed,X& J1 K3 U1 b' Z
- RTS
$ R- w0 t3 ^) [ - Track_Enemy_Ex_X_Less_L1:9 P# h5 w- n0 L8 b' u9 V" r% Y
- 6 d' q0 P5 A% ^9 U5 O% I1 P8 I
- LDA Bullet_Z_Pos,X: X. r' d7 Q2 X
- LSR4 z& B) z7 b& I& p
- LSR
3 Y. K) P3 M6 b) P - TAY7 [$ e q' j- c0 K) Z0 r
- LDA Bullet_Speed_Data_Ex,Y) O6 } v* R8 C- `4 z+ Z" |/ E
- STA Bullet_X_Speed,X$ @( P, o2 @2 K: h4 d% v' O
- RTS3 S2 @% J& B0 A* I6 x
- ! z: @2 C# m, f9 C
- Track_Enemy_Ex_X_Less_End:: h, {% j+ N- z; ?( U: v
- RTS
+ A+ g M& r6 m, j0 z/ |' Z, j" u7 ]: [ - r" y1 @2 S3 F
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X# P J# B. B2 z% L0 \7 F, U
- CMP #$03- o* H2 f/ k3 r( d' U
- BCC Track_Enemy_Ex_X_End
! m7 n2 Z/ V0 l" F5 F - LDA $6020,X
- N7 g) f& a, P3 q1 @; w - CMP #$2A' w4 m" m' a- ^9 E7 u4 h6 d
- BEQ Track_Enemy_Ex_X_Greater_L13 H4 ~3 @/ M2 u& d0 C
- LDA Bullet_Z_Pos,X9 {3 j0 U( Q7 R. a$ a% U" v% K
- LSR, D2 E& }+ p2 q7 n9 c3 m
- TAY
% W$ U8 X: D }) h; @' b - LDA #$00$ C4 q7 K r2 |4 F) r
- SEC2 E* g" n1 }4 O) |
- SBC Bullet_Speed_Data_Ex_R,Y
* o. ?# Y2 _3 s. j - STA Bullet_X_Speed,X/ S0 W$ x% M' l0 \+ ~, I& f
- RTS
- C- b& ]% |3 Q -
! v. X- a* r. B* l) z) b1 j; t - Track_Enemy_Ex_X_Greater_L1
( |% v# Z3 a8 }& B, Z! H( e. S - LDA Bullet_Z_Pos,X
4 Q( {1 u" g m - LSR
' \: O4 D( c) S; U' z$ g - LSR t" [0 i0 m7 p3 ?5 {; x8 W7 h
- TAY3 r) C6 {4 K. |: `* A7 t) A$ f" O
- LDA #$008 l% j% X9 ?( T) E o# o3 C
- SEC
! G. x& n( w, T# {. d( Y - SBC Bullet_Speed_Data_Ex,Y5 n: B+ _5 s+ ?4 n- o- b
- STA Bullet_X_Speed,X7 V' `8 ?8 F8 I! H- U, l S; a
- RTS
0 e4 A" m$ i; l, E5 n, E: h -
; N; j/ Q+ r$ f - Track_Enemy_Ex_X_End:# H( `! o5 U! ^. a, l
- RTS
0 ]' w# V5 U4 g/ B2 V0 S' D ] -
) n: X2 ^4 u/ t+ G" H6 j; N' 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)! h8 ?' l. W- e: M; N9 x
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
; X8 ^* F1 I& H( Y! @* b6 b2 ` - Bullet_Tract_Direction:. C5 m( M7 X( o) F0 r; F' q* M8 @
- LDA Bullet_Icon,X
' j* {" V' ^% a* g) G - CMP #$23
0 _! G# B& D p( ? - BCC Bullet_Tract_Direction_End
3 R8 W% C& d2 U3 f -
4 b0 s3 Z* F$ J) o! e- @4 M - ; X != 0
V6 x+ k3 @7 g. W) Z/ c7 Z) _ - LDA Bullet_X_Speed,X( L7 c& ?8 u2 r3 j; Z) R% T
- BEQ Bullet_Direction_V
0 |- V8 O/ I0 K3 w" s& y -
- y. W" G3 X& n - LDA Bullet_Y_Speed,X/ ~+ R' x: j( Y0 I2 a6 p3 U/ ~
- BEQ Bullet_Direction_H
9 K+ L6 R* i3 |0 e. n - / J, h+ G* u6 }! A% R: f
- LDA Bullet_X_Speed,X
- [3 q; G7 u9 c e1 C5 ? i2 g - BPL Bullet_Tract_Direction_Right
) h { E: b: g8 X$ J2 ^ - Bullet_Tract_Direction_Left:
! i$ G; t1 q' l3 V1 n) I }- u - LDA Bullet_Y_Speed,X
; m; b5 B' L7 ?, n( F - BMI Bullet_Direction_Left_Top
3 t% c2 l8 j1 e6 [4 A - BPL Bullet_Direction_Left_Down' u( f' e7 ?4 b& F$ S8 c5 X
- Bullet_Tract_Direction_Right:
, x5 `1 p) @" W$ D" S+ w4 ^ - LDA Bullet_Y_Speed,X+ Z9 h9 |4 i( k7 V
- BMI Bullet_Direction_Right_Top
z1 D) \3 \& c9 G0 O3 Q8 k% }$ R - BPL Bullet_Direction_Right_Down
J& O$ T/ P# W3 u5 i1 E+ c7 K - Bullet_Tract_Direction_End:
. U" g. F* E/ p _7 _% T2 E - RTS; |+ g% C/ T. [; r0 |
- 6 k' T* L! K( X( A& V, `+ c7 Q
- Bullet_Direction_Left_Top: T* n( p3 A9 [3 ]8 J
- LDA #$25
+ M$ P5 E- R5 w9 J; Z* r7 s% h' g - STA Bullet_Icon,X
7 Y) L% C9 ]/ W - LDA #$C0
" N P" a2 J- i$ b" _ - STA Bullet_Direction,X
! N! u% ]1 J. h0 y4 { - RTS
$ r. x# \1 ^. d# w% n - / J+ z* @* w3 ^8 f
- Bullet_Direction_Left_Down:
3 w; `( S9 [1 K" Z - LDA #$254 r$ A$ g8 a) C- E5 Z
- STA Bullet_Icon,X2 W7 F* I1 o: W/ K$ `* _" X2 {
- LDA #$40
. d* ~! N& ]1 I - STA Bullet_Direction,X3 v( h D) x! j0 m
- RTS9 D9 }3 z! N% N, m* }' h
2 w3 b$ e3 f$ j& B* N8 @, } ~/ v- Bullet_Direction_Right_Top:
5 N. D6 E9 G* F! ^ - LDA #$251 P- I! K( b0 k0 ]
- STA Bullet_Icon,X
3 m. I% }9 R& O4 e. p( H - LDA #$80
9 k) s5 h7 O2 }$ M2 G - STA Bullet_Direction,X4 u3 L- W6 p1 F: _( r" S% i" p
- RTS
9 N- w1 S9 g' ^: h - " C1 i# R0 D9 \$ z) [
- Bullet_Direction_Right_Down:
) K% b% u- L7 N0 h& S! | - LDA #$25! E, \! q( J: T/ y. U
- STA Bullet_Icon,X8 u: M2 ~, l* }* t1 T5 z8 ?
- LDA #$00
+ e/ {- Q8 e' E1 |( H: u m# [( o - STA Bullet_Direction,X F. V" H8 n( y) B4 H
- RTS
7 ^3 e: q2 }# W+ Q+ a a0 u - 0 D5 o6 R: W) @5 c; d \) E d. ^
- Bullet_Direction_H:) I3 ?9 @. w$ A/ J; m. [4 p
- LDA #$24! B2 n0 a/ R' b, n# j
- STA Bullet_Icon,X
* R9 f) k1 d( m B - LDA #$00
7 \3 }, `7 L: p8 c) r - STA Bullet_Direction,X/ m; m; ?3 K" Q5 r/ d
- RTS
- Q& {9 y+ x, x2 b) j2 F- V - ; C T5 K( G4 `5 c
- Bullet_Direction_V:
+ ~. |4 ~9 I* \) i - LDA #$23
4 R! `8 i, ^6 ]5 S; z, M - STA Bullet_Icon,X
. W4 r- P) W7 w+ | - LDA #$000 u J) m: Z. W+ v8 Z4 h( [
- STA Bullet_Direction,X
; Q! x [& }- G. C& n5 l7 s - RTS
# w0 m1 T+ N+ I. I0 v6 g - 0 @, n" j: R9 S+ d8 X
- Bullet_Speed_Data_Ex:+ p7 l ?: u4 J" Y. u
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
6 n3 l2 L+ Z L5 v% g. e -
' w) }2 Z3 S8 v: n9 z) {+ u# m - Bullet_Speed_Data_Ex_R:1 u9 W. p, l+ O8 R4 w4 ^
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$089 ~( d d7 D) ? }( t
-
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