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[FC][魂斗罗][J][追踪弹]2 d- i$ x( n) n+ {1 K
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时间:2023.04.303 ^" P _+ A9 V; i9 @9 v. j) u
作者:FlameCyclone: Y4 f, x) Q, y: @- E! V
内容:
% p* U1 V N* j& l& s( v, r' W 1. 所有子弹追踪敌人: g0 n. J) z! `6 W
2. 选择键切换武器
' m7 {& m4 h. P! [* { Q! c 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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flamecyclone.ys168.com: ]3 c3 n; t( J- Z5 Y/ v

; _6 S* T$ d/ p- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁/ R, b9 v3 f( \% {, E8 t9 b2 K7 U
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L4 [& A- z6 g# D7 T' k8 R% G# y
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下) y9 ?5 y# B' Y8 G3 d; r$ f9 j
' H- ^- f2 ?/ U- ;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- P: R/ R" e' s/ e" \# } - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上$ L9 L* T& A; @$ m) U0 e
' M* k, g8 {! w5 w- Track_Enemy_Index = $60007 ?: {# T/ T/ R+ _% ~
- Enemy_Index_Begin = $6010" l( v- g, H8 J/ g7 v9 e |
- Enemy_Index_End = $6011
( `) l; k! U8 {% Q' d$ @
- p& T' |' R# i9 o5 F, e9 V- Loop_Index_I = $6012
+ D4 o( p% e# M+ X% u - Loop_Index_J = $6013
* }! c5 m. \' |* k! d, K - nEnemyIndex = $6014+ v. x% G# E% q
- Data_buffer = $6015
2 W! [9 o+ ~+ S# Q6 }1 e9 X
" x/ F0 e& X( m& q$ W% G- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
3 g" A% H- i0 M. h5 d5 _6 N - Bullet_X_Pos = $03C8 ;子弹水平坐标
+ U- L T Z1 }1 g - Bullet_Y_Speed = $03F8 ;子弹垂直速度$ j' l% w/ k0 H2 p. Z8 K
- Bullet_X_Speed = $0408 ;子弹水平速度4 c6 B2 W# B$ ?# c2 E7 G x
- Bullet_Z_Pos = $0418 ;子弹Z坐标8 x v V' [! U" N' o4 A
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P5 s! _, o5 O- L/ P+ l" M' y, `
- ) V0 |$ i) m/ M5 E5 O
- 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 Q2 i7 T8 h" G. b8 `/ w. i0 i, T9 B - Enemy_Blood = $0598 ;敌人血量9 T8 M$ g: g! X
- Enemy_Type_Addr = $0528 ;敌人类型
9 ]9 O6 c: R9 C* O- Q8 U - Enemy_Blood_Addr = $0578 ;敌人血量. L: Q: ^7 K K$ o$ V0 E, ]
- Enemy_Y_Pos = $0324 ;敌人垂直坐标( m6 Y0 g( _0 p
- Enemy_X_Pos = $033E ;敌人水平坐标
" B$ O4 M3 T! T4 _; L$ s# Q$ T: S - Enemy_Y_Speed = $04E8 ;敌人垂直速度& X% n @" F8 o& c% K
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
2 {7 W, u% u2 s$ I - 1 a$ G- r. ?- y" f- j
- Enemy_Index = $83 ;
% Z& ]% C& u4 v. f" y. f, p/ n2 D - Time_Count = $1A6 \ U7 ]2 Q5 E+ z+ g1 y5 j) Q
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率, d& p" J2 A& U& f
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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- $ r6 F4 q: Z/ p) g
- .ORG $6100, N( q z# F# ?5 u2 i
- Process_Begin:5 }+ I8 ]% h# o& B) o6 T0 B4 d; v
- JSR Enemy_Check
; @" e* z, S% H$ o - JSR Track_Enemy_Check
0 r$ R" I8 Q4 M1 A6 |7 D6 C" C - Process_End:. L p9 B9 j. e
- JMP $E54F
! d) y' ^% `6 v, f
6 G* j9 [# y y/ k% [3 O, C9 X; _ o- Enemy_Check:, D( m" M }* t1 q2 j" Z
- LDA Time_Count
5 O1 f4 P7 `* G& _- k3 S3 S - AND #Track_Bullet_Speed4 e5 Q$ D2 @. v3 k2 p
- CMP #Track_Bullet_Speed
+ C6 D/ |( |) x% A - BNE Enemy_Check_End& { d+ h) A6 L! Z. _, b; S' u
- LDX #$0F
4 S1 l, w3 w1 b1 m K' `0 E( L - Enemy_Check_Begin:7 d& H8 A4 _4 F1 Z, E9 K2 u
- LDA Enemy_State,X
6 J: `9 S" j0 n - BEQ Enemy_Check_Continue& \1 E, G8 l9 U |7 L
- STX Enemy_Index% D- W- ]# \* Z
- JSR Find_Begin_Enemy/ M$ W" Q% D$ e1 _& A- j3 r
- JSR Find_End_Enemy
* ^% R# m; u2 f* S8 z+ X5 w - JSR Bullet_Track1 e4 C: X2 [& v1 a. O) Q& S4 X
- : ~' `. k; P- F- O9 s0 O
- LDX Enemy_Index
5 r: r3 ~, B& { - Enemy_Check_Continue:! @: x- k( d# Z- y0 [( t$ D
- DEX4 I' V' Z9 K6 i9 O9 H
- BPL Enemy_Check_Begin4 s- S3 E: v8 V0 E9 u
- Enemy_Check_End:
5 g4 U( l# x' G4 I: n# V" x+ z - RTS
% i0 {" f8 S4 s8 M% Z, [& J* H# P -
1 |/ g& v" g, F7 E' ?- C# F, b - Track_Enemy_Check:$ F% y/ J a& `/ T' [4 h
- LDA Time_Count S" j& N* e9 j7 E( g9 \
- AND #Track_Enemy_Speed
' L5 x4 j, W/ R2 Z% C - CMP #Track_Enemy_Speed, D" M6 n2 ?2 ~) o7 U! a _. |4 }, `
- BNE Track_Enemy_Check_End
! ? u: [6 |7 G. O1 v - LDX #$0F8 H& t0 `1 |: X9 J. M
- Track_Enemy_Check_Begin:
( P; z2 a3 V0 i/ {# _ - LDA Enemy_State,X
! }: m# v8 Y/ ^' F9 W/ s0 j - BEQ Track_Enemy_Check_Continue
& B$ Z' y6 H2 T' _# c - STX Enemy_Index
6 t* X8 C; X! Y8 p! S - * G C2 [3 |. ^3 r( o0 P3 k9 W
- LDA $40
3 D9 |6 W# T, j, I/ t ` U - LSR( [& e, |5 i8 k8 W( u, b
- BCC Track_Enemy_Check_Begin_L1' e; O, g' q2 \$ S7 N/ C* T& t( {
- . V; U ]) v' T# X
- JSR Track_Enemy_Ex ;2, 49 g! S2 K$ Q; C% u3 ^
- LDA #$000 [, J- k: J0 g& b
- BEQ Track_Enemy_Check_Begin_L2
, w+ l3 u" U& \' ], U" z( u - 7 w3 i& ?2 q% w1 w: m$ q
- Track_Enemy_Check_Begin_L1:4 n1 ^* E9 p0 L9 \- S; D
-
* q/ [* g% j S# F# u - JSR Track_Enemy% Q0 S2 u& W, y- f0 f5 `
' w% {) v9 q4 I3 K- Track_Enemy_Check_Begin_L2:0 U6 v$ _( ]& c, F* f$ ~5 {
-
: ]1 v4 L! O+ s- f& e - LDX Enemy_Index' c8 L6 V& ]" E* e
- Track_Enemy_Check_Continue:
' D& `. [+ A( B" l) v* j7 G - DEX, W# v* u+ a" y$ _! v! b% {
- BPL Track_Enemy_Check_Begin- U- y/ E5 N2 m+ g) c3 O" p
- Track_Enemy_Check_End: o F' U+ ]0 s) `
- RTS1 ^ d5 ]* }- }9 o$ ]
- ; B. Z( i% r6 N
- 2 w# `+ g6 I9 y; X/ x" P8 n) I
- ;查找第一个敌人
& n2 ]; x& |0 c) Z3 I) Z4 A - Find_Begin_Enemy:
. H' K. ~9 H- u: V! m" x/ ? - LDX #$00- `- o Z7 M/ S4 ~, {
- Find_Begin_Enemy_Check:
/ d! q; Q9 N6 u - LDA Enemy_State,X! h2 B; w/ a! S: ]- g H6 v0 H
- BEQ Find_Begin_Enemy_Check_Continue
3 }/ S* m! w- \( b$ @ - LDA Enemy_Blood,X- ~- o7 ^3 J% v$ `6 Z+ M
- BMI Find_Begin_Enemy_Check_Continue' H5 [6 S* x$ f- I, }4 d+ P
- BNE Find_Begin_Enemy_End
9 G% t. a, Y1 z7 ~4 L+ p' y" C -
) s* P9 C/ d% V B/ \( S - Find_Begin_Enemy_Check_Continue:
" ^3 |# R: s6 W- _, {, A6 f - INX
8 I1 R/ W! Q% x! U& }: l - CPX #$10. h9 U/ I$ C2 A+ `- b: I
- BCC Find_Begin_Enemy_Check& v4 l8 k- o& {
- Find_Begin_Enemy_End:5 l* \( y# l. ]0 N9 T8 ^1 W
- STX Enemy_Index_Begin; c+ K$ `$ b4 U1 i
- RTS
* k7 d. f8 p' {5 s! s/ }
4 o0 K. E$ u; B$ l( _8 b9 M5 P- ;查找最后一个敌人8 _/ ?" S4 b; `4 A: g
- Find_End_Enemy:
8 d- \/ `1 V( t+ _+ E - LDX #$0F
1 S" A1 j1 A$ q8 y) r) c/ G - Find_End_Enemy_Check:
7 `* O/ w2 l8 r3 q - LDA Enemy_State,X; ~# _( U* u* O- W
- BEQ Find_End_Enemy_Check_Continue
* w2 _8 Y' k' _3 e - LDA Enemy_Blood,X
7 x, C/ m e; f# d+ `! w* w) y - BMI Find_End_Enemy_Check_Continue* o x! D$ B; x, P. P( k/ D% e2 d
- BNE Find_End_Enemy_End+ B% X' \7 H6 g8 o* D, Y
-
6 f) t5 X! n1 r3 I! @ - Find_End_Enemy_Check_Continue:
" d, L: c7 F! T- L8 _/ J Z9 Z1 k E - DEX
2 q% n* v$ @, A5 x2 U - BPL Find_End_Enemy_Check+ S/ S7 I& j) I }4 t. ^( U
- Find_End_Enemy_End:
: j# b0 r/ M! Z! l - STX Enemy_Index_End
7 k1 J/ f' ^) R7 Q3 G+ s, D3 \ - RTS1 Q+ l0 ^ ^) ~8 s2 q9 O6 ~
5 x' ~4 L7 E& O* @5 s4 s- ;子弹追踪* [( b2 ]' d: ^/ _7 g
- Bullet_Track:
7 Z( Z$ \' P8 A3 _8 X R0 P m' | - LDA Enemy_Index_Begin* C4 h0 Z* V- N# W3 s% {$ [
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;1 D; P) H. J; N2 I2 k
- LDX #$00 0 ]1 w* O! M( y: Y
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
4 G/ |2 s7 A' h5 s7 d - LDA Bullet_State,X' n3 Z' c" ^+ c7 V" l8 p( k
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;. p: l2 p2 R/ _9 T/ k" h$ }
- STX Loop_Index_I! U9 M: n0 O- N2 v/ [
-
^8 K' w: W% W* V W - JSR Bullet_Track_Enemy! Q$ n0 \" K, m) m! s k
- JSR Bullet_Tract_Direction
7 A1 `- t" U$ m1 O9 o8 E" f - * | k8 I0 y: T# X# s9 e; x& \- p
- ;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
0 V# e2 u) p* e @ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;) I" e3 d$ e+ z3 z
- LDA nEnemyIndex
/ W! Z2 J2 Q! }0 J - CMP Enemy_Index_End* S# R6 @) Y" V8 u2 d" f
- BEQ Bullet_Track_Check_Continue
) L4 C ]; n+ ?% w+ `; l - BCC Bullet_Track_Check_Continue$ I9 G" k1 _& S5 f' X
- LDA Enemy_Index_Begin% T- R* G1 W* J e
- STA nEnemyIndex
* z7 V! `9 q, @- v( h: @# W4 S2 ~ - 2 U4 H$ X8 l# m2 @
- Bullet_Track_Check_Continue:1 l2 n: k7 o( i+ |# H
- LDX Loop_Index_I% V& x- G+ X1 r2 E8 m' F! \& k
- Bullet_Track_Check_End:, a# ~# h# }! B% q, O6 z3 z
- INX% A; x/ ]# ~, w3 b
- CPX #$10. ^" D( J) A4 @
- BCC Bullet_Track_Check4 u3 h9 n# L0 D. F
- Bullet_Track_End:
$ v5 t1 ]- s8 H& ~ - RTS8 n: E" c0 [% G" A* D
- 4 y0 _% A0 @; ]2 X. c' V
- ;给敌人分配子弹# |, G# \7 U. P. ~9 U
- Bullet_Track_Enemy:/ U, ?, G* x8 c, P' l
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++), ]3 D8 w" e* _+ ?$ b
- Bullet_Track_Enemy_Check:) i$ O# P5 \! u) }
- STX Loop_Index_J
; p- Z& @( Z2 O7 Q2 ` -
4 z! ?- ~% @* U* j" u - ;if (0 != nEnemy[j] && -1 == nTrack[i])
% k! J ^- {4 A# I7 z8 l. M( m - LDA Enemy_State,X! P8 A3 R' V7 F- v% |
- BEQ Bullet_Track_Enemy_Check_Continue
p5 ] e3 n$ B6 K - LDA Enemy_Blood,X
, \4 u' q; h) Y% d. ?1 v - BMI Bullet_Track_Enemy_Check_Continue' U; F, D( }, B0 d; `9 h% {3 b0 j
-
$ M! m9 s2 B: n1 Q - LDX Loop_Index_I2 n$ M& g8 ]6 H( m5 ?
- LDA Track_Enemy_Index,X
+ T; G* P! q" C9 g) s2 ~ - CMP #$FF
* C/ n) }4 c/ h+ Q. t6 { - BEQ Bullet_Track_Enemy_Init
. T0 |$ o& _0 B9 m# ?' q) e. R- S -
: P7 y' I8 d# Q+ Q* w - Bullet_Track_Enemy_Init:
C( s. y3 T9 j' i4 a* a - LDA Loop_Index_J
2 {. S8 N4 g; i* C6 }% t - STA Track_Enemy_Index,X ;nTrack[i] = j;
; ~" H u. o1 C$ m -
# Z, f7 e! Q2 y' }$ j - STA nEnemyIndex! ?: Q+ W4 ]. D9 D
- INC nEnemyIndex ;nEnemyIndex = j + 1;# |! m) H+ C7 V( Z* n
- RTS ;break; x% r$ `+ x: S& {- S% N
- 5 _/ Z, j( k4 V! t5 V
- Bullet_Track_Enemy_Check_Continue:* ?% a$ W* T1 f4 c+ j
- LDX Loop_Index_J
# w: w# H2 _4 v! L1 g, A5 W - INX ;j++
- F7 A! I! k7 z6 A: r. g% Q - CPX Enemy_Index_End
9 Z2 `# R* _. f - BEQ Bullet_Track_Enemy_Check4 ^: p9 x- d6 B) n
- BCC Bullet_Track_Enemy_Check3 @2 I) W. g& Y8 h# V" P
- Bullet_Track_Enemy_End:
3 i* Q R$ n' e' `+ b0 G - RTS* N8 \3 V1 f( r# V. ~
5 y H/ }- N* H! P I- Track_Enemy:' ^( o+ X! G8 z$ Q7 P7 K) h5 k
- LDX #$0F) l1 _8 Z1 m0 o/ d
- Track_Enemy_Begin:/ O6 |" c T8 Z1 c
- LDA Bullet_Icon,X% U4 l/ R3 i5 e. s: b3 _- d' ^4 r
- BEQ Track_Enemy_Continue
/ r. R( t$ l B - LDA Bullet_State,X) g9 \- |; | l* i& g
- CMP #$01
/ n/ o, ]1 y: D3 x' S - BNE Track_Enemy_Continue6 D/ N3 W$ | e
- 3 y+ N& L6 q, t) J- ^
- JSR Track_Enemy_Process
2 G' `5 g4 T- t% n( n) p - # n( S, \% k* _+ L: o7 n
- Track_Enemy_Continue: J" J7 q! k0 h$ e6 a! k# i& m
- DEX
7 A* N; y# ]6 ^. q) E7 R8 T - BPL Track_Enemy_Begin( m6 \2 G1 s8 ~; I" D, d) {. e
- RTS
% q+ M3 z! u. Q. w) l
, m2 l1 ~' L7 `" R2 u1 L& E- ;普通关卡$ L6 `4 M. y1 N5 F$ U! k* d
- Track_Enemy_Process:6 V" K$ L6 s$ u6 w& z
- LDA Track_Enemy_Index,X8 b8 p9 I7 S% z- v! p; A) k3 U1 J
- CMP Enemy_Index
# t6 A) B9 P3 E: L - BNE Track_Enemy_End
. L4 b. G E2 ^$ [+ j - LDY Enemy_Index( E5 R$ M# q. D0 P: Z6 X8 e4 W
- JSR Track_Enemy_Y
$ ?, P& s. d4 a+ W) Z! Q - LDY Enemy_Index, m' S: o) @ x, v2 I7 D
- JSR Track_Enemy_X
! F8 i" D9 D& C* C% }+ Z7 I, d - Track_Enemy_End:
$ L" S0 X, v t3 n6 H - RTS+ h9 E+ F+ A, X; q0 @: X7 X L
- ) F9 v+ z7 K( u6 v. J: W" A
- Track_Enemy_Y:1 {% n, T. w% g( J. t9 [
- SEC4 x4 L0 ]: S. a# z# ]
- LDA Bullet_Y_Pos,X
1 G5 g) T4 A( h - SBC Enemy_Y_Pos,Y
4 h: u( A5 d- |* b- f8 c3 E( a5 M - BEQ Track_Enemy_Y_Equal
6 c: o# M# z& V7 S* E1 }, U- [ - BCS Track_Enemy_Y_Greater
& ~; I* U' I5 @3 i/ x) w; B5 ~ - ; @" N. l! H2 Y& Y0 l+ `
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
5 v' q( ]# o5 {. d: s4 A - CMP #$FC
0 W' Q! Q) W( e% v - BCC L1_10 p% |- O$ a# m$ H" H! s9 `
- CMP #$FE/ l l: E X1 k/ B- `
- BCC L1_2
3 g! N4 c7 O/ b - LDA #$00; n( U9 f! C' C( ?0 O* A
- STA Bullet_Y_Speed,X) }/ e* A0 l* w; `/ Q
- RTS
( v8 [" N- ~' w5 t" x5 Q - L1_1:
2 Q& P3 ^4 z+ ^. I% a - LDA Bullet_Type,X3 Y9 d5 `0 w5 s/ e* F3 G
- AND #$0F" {- x/ N& n' ^$ \1 r8 k' R: j; |
- TAY4 E$ I! F: j) c7 K9 L! r! K
- LDA Bullet_Speed_Data,Y$ z \# h- x2 @) L
- STA Bullet_Y_Speed,X
" S {3 G4 T9 g+ v) L: W - RTS
u5 v: E( m& u& E1 O: { K, p
1 d- {7 D% ]) Y6 U* G) \- L1_2:
" o! M. q! U5 Y6 H5 B - STA Data_buffer/ O& O Z7 ~$ n* l1 I
- LDA #$00
+ W5 S. R( S' G6 V9 S/ ^# c0 a - STA Data_buffer
I$ f& f9 X1 z. {1 k0 u: n" m$ Q; x - LSR. ^" x" _3 N S* j: i5 k; N0 c
- STA Bullet_Y_Speed,X
7 P# p# l: n+ A9 [ - RTS
$ ^, e% f( i: H7 v3 T$ m. X. ~ - - D- p7 v2 H6 j: F
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y2 r9 y3 t' z; t8 z( [
- CMP #$043 h* `3 v; ~* {! Y
- BCS L2_1
! e7 b& J# A# n& Y3 B; a - CMP #$04+ |- {" @5 F1 |) {: V. c
- BCS L2_2
, f" v6 ?$ `9 \& c- q7 O J) a - LDA #$00) k- k# e) m! u/ Q4 l
- STA Bullet_Y_Speed,X+ [ P# W! V3 l8 a! M- N
- RTS
5 A+ C3 {3 i. J: z) Z -
0 S0 o+ M; B1 N& V0 H9 V - L2_1:
" e4 X# X1 i, T" S( g' I$ l - LDA Bullet_Type,X
# u: Q- Y, A* o+ K - AND #$0F& Z2 N" U4 r/ ?# X. k
- TAY
7 ^/ z: V* r. r' Y! J - LDA #$00
6 Q+ ~+ J* b2 R& K$ U: [% } - SBC Bullet_Speed_Data,Y
- o& b! b( Y7 V0 a9 J: @2 ]; J - STA Bullet_Y_Speed,X: j8 c O8 R4 N9 n; p! y
- RTS8 g; Z; N4 [2 J8 [; ]# ?
- & b& U3 f. R) O& q! R
- L2_2:9 u K7 r$ @- i; A3 x2 Y
- LSR
) U! P2 @6 G: H: a0 ?" g% o - STA Data_buffer' f3 W* h/ h* a/ ]2 s/ p
- LDA #$00
; r: G- E( a# v9 }: u# c - SBC Data_buffer! X9 y7 T: y" q- |/ K$ U
- STA Bullet_Y_Speed,X
9 z* \- m& M0 B - RTS% `! t- _' A/ `7 p" L6 x9 k; K
- ! J9 W! D8 ]6 S
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y2 Z& ^ N; w& E5 A' c& B$ R0 s
- LDA #$00% _7 j* G' u* j6 Y8 H! _0 N1 U# }
- STA Bullet_Y_Speed,X
3 T6 V( `# _$ A3 v/ V - RTS
- s% T2 p: }+ w5 d6 a8 n; r1 g -
; b+ N6 ~; { L2 j2 g2 R* P - Track_Enemy_X:
6 g" t5 l3 s X6 |* V+ T - SEC
9 {& I; w% `6 G |6 J4 K - LDA Bullet_X_Pos,X
7 Q1 {- r/ G% E8 b' ~ [. s - SBC Enemy_X_Pos,Y
: ^& ]9 R8 k* h' x - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
3 S1 @$ R" g# B$ ]1 T; D- z! \ - BCS Track_Enemy_X_Greater ;子弹在敌人下方
( {) A* E$ S: s- d0 } T* V. G4 V( C -
' I& g( K# u3 b9 W( k: o8 B9 a2 J - Track_Enemy_X_Less: ;子弹X < 敌人X6 b9 `& v T' a; c& k! g: M& ]
- CMP #$FC0 M5 M4 H# P/ b
- BCC L3_19 F b' k# ?8 u, c* }
- CMP #$FE
% G9 M% [/ z" k0 z - BCC L3_2
. g. w: h. M/ X2 a- e' R6 Y% @ @) K - LDA #$00
- }0 E3 z: w0 L7 h6 [ - STA Bullet_X_Speed,X% d* H, ~9 x; e- k) \( |! v+ Y
- RTS' }' U% H' ~0 R9 e5 ~8 B
- L3_1:
( t4 p9 J5 X+ }' Z - LDA Bullet_Type,X
+ H v9 b4 i0 h; v) N1 X: k - AND #$0F+ b! w' ]* h$ i; ?' f" g. p3 D I! k+ P
- TAY2 q' T! f. n+ H5 J) g' \$ b$ j
- LDA Bullet_Speed_Data,Y4 _( Y+ c7 g M3 b& J7 R+ l
- STA Bullet_X_Speed,X
% M r9 u! a" Z% V - RTS
9 m) A! ^3 k x* D* \. q4 P B# r - L3_2: & B0 m; Q* {/ [6 W* F1 ?
- STA Data_buffer; F" F. \/ l$ E
- LDA #$00
Q( X+ [$ V/ B5 Q9 U - STA Data_buffer. m! o& ?2 Y) Q s4 S, i6 p9 n
- LSR/ D R/ x% F( O- ^: z
- STA Bullet_X_Speed,X0 \% U/ U6 u8 ^9 S ]
- RTS
' I! }' P/ C$ s5 K; S* m9 H - 6 U" w8 q$ t2 C& B, [
- Track_Enemy_X_Greater: ;子弹X > 敌人X0 h! F \5 u( ?- Q2 c
- CMP #$04
# \: r8 y3 V- F0 p - BCS L4_1
' f C8 ?! m' _ - CMP #$02
! a! p; C3 p( I& m5 N# {7 G - BCS L4_2
6 n: Y' c0 l( J* ^0 @6 |; m6 W8 s - LDA #$00. @' g! n; r4 m, ?: Z8 w
- STA Bullet_X_Speed,X
- b% d3 j @3 O6 S6 H - RTS# m5 \9 U v1 G5 P* X9 I2 Z
- + w, g$ B/ b$ x0 E0 q9 q8 T, ~0 Z
- L4_1:
* z3 w1 u# r; k - LDA Bullet_Type,X
3 I! \. v* ~2 \( X+ R f1 V+ c - AND #$0F* L1 b* u/ N$ Z' T, s' G) V' Z* b4 ?4 x
- TAY% D4 \$ Y, Q; e6 F8 E& A
- LDA #$00 s) N' ]* f. b% D, q
- SBC Bullet_Speed_Data,Y
$ u' n2 F9 \- Q: W) ?" [3 i - STA Bullet_X_Speed,X
1 b7 Q" P& B7 E) R& r/ ]8 p0 W0 z* L - RTS
( s/ i+ C) ^( ~3 x - L4_2: S% g/ N, B' Z0 X* v
- LSR
' [" l: z* h% J" K0 ?4 S7 h, ]: a - STA Data_buffer
' |) e3 u9 Q+ ?- F - LDA #$00; ~ |- ~' E) o+ \0 {, u
- SBC Data_buffer; z* w+ Q+ k* L$ Q' ^
- STA Bullet_X_Speed,X- V* U; ?; D( `& Y
- RTS
3 Q; ~" |5 |) a5 c( p. t -
# B9 u" I* u8 i: l( d s) J4 V6 B/ T- E5 y - Track_Enemy_X_Equal: ;子弹X == 敌人X) ]9 o( b& ]+ v4 d6 |
- LDA #$00 c$ Q# W% b# ?* R1 k2 s
- STA Bullet_X_Speed,X, N2 n. P4 s% y0 g6 K
- RTS
+ k2 _8 u: c. V3 \3 j9 S J -
& ~5 G% L; s% c% r/ K5 D - Bullet_Speed_Data:
9 O' j0 A! Q1 D9 [ - .DB $00,$03,$03,$02,$03,$03
% ]7 C' l b3 J7 }( D' y& C) @ -
, z; T$ p! B" q4 l - ;2, 4关
7 P) M0 v" V ?& | C, \ - Track_Enemy_Ex:3 a4 h/ d K4 N* {+ Z' W
- LDX #$0F' ?9 J$ L" t" ^7 L
- Track_Enemy_Ex_Begin:
( P$ b$ `2 X6 A" }& Z( |1 t! r
0 z8 \, d# e0 t8 `; h% f0 U0 }1 D- LDA Bullet_State,X- S7 t; r& n- v& k* }
- CMP #$01) f5 z: {: i: E, H# `, a9 c
- BNE Track_Enemy_Ex_Continue" Q- i6 }$ J8 ~, P
- % d1 O( z, \& G, a
- LDA Track_Enemy_Index,X/ V- @1 L$ m- V& f9 U" L; j4 f
- CMP Enemy_Index
. A$ F! s8 d4 D6 Q4 s: S, V; B0 N - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
( s) N8 n: Q9 F7 N2 r6 \+ G& Q- l8 ~ -
4 j/ j. u4 o! N! D4 m* @ - LDY Enemy_Index
" [' a# ]1 Q6 Y) }. F! n - JSR Track_Enemy_Ex_X7 V. I i3 s' s) a+ v
-
0 W4 z& O0 N. U& u3 H - Track_Enemy_Ex_Continue:% E8 p; p; b% s
- DEX& T. v8 b$ k/ s" T
- BPL Track_Enemy_Ex_Begin3 w: G: J: c; `! I9 p
- Track_Enemy_Ex_End:
6 G) ]0 p( C- t* h: [5 Q" j3 k8 {! K - RTS. z% i" y3 c* \
-
. a# b% ~# |# U: R) q" _ - Track_Enemy_Ex_X:
7 q1 ?' L' ?: w3 J! I( N& c - ;LDA Bullet_Z_Pos,X' _2 y$ y T; P/ }7 ?0 X0 Z7 o
- ;CMP #$04
( p& R3 E% h& W0 l; V - ;BCC Track_Enemy_Ex_X_End
2 h2 n' e A5 G - SEC! b, o- I: |1 r% Q2 D( J
- LDA Bullet_X_Pos,X9 M7 H# d0 V7 E3 Y9 c
- SBC Enemy_X_Pos,Y, R0 S: A; c$ r( _
- BCS Track_Enemy_Ex_X_Greater
2 |! M1 `# F4 Z7 [ - - h% P. C& n. ^ c$ Y7 Q5 K- a% X4 R
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X0 I; ]: ~: |/ J+ s2 P9 y r+ }
- CMP #$FD
2 Z$ X6 }# h8 s+ \& ^7 s# X - BCS Track_Enemy_Ex_X_Less_End
4 c0 m) a9 U5 k' S5 u3 \# p5 Q7 O9 a% G - LDA $6020,X
2 T) o+ ?, g4 I* ^3 Y; d; @7 I - CMP #$2A
* _. k2 |0 S& X, ^ - BEQ Track_Enemy_Ex_X_Less_L1, C6 h' G$ w) }1 ^, k6 v
- LDA Bullet_Z_Pos,X3 T) `: M! I1 [) h! h. A
- LSR( s& \$ k1 _9 V8 H3 q. @
- TAY* ?) u' G8 i& g/ A' E) E: Z
- LDA Bullet_Speed_Data_Ex_R,Y; f. l, P( P' Y# N* m8 l4 j
- STA Bullet_X_Speed,X# z0 H; S! o& S$ V% }" ^
- RTS
0 X3 s; `" ~/ _* C7 f/ P - Track_Enemy_Ex_X_Less_L1:0 ^) P. ]3 R" c: n
- ! q5 P; P* n" J2 g* J; o4 e
- LDA Bullet_Z_Pos,X; S6 U3 `& k N3 m9 ]. [ `
- LSR9 W, X1 ^, ]9 F5 G
- LSR
1 D% ~3 d. j% B& ~+ l; w6 y$ ]) z - TAY* g# @7 ~9 ~9 d. A* r2 `) v+ C8 `
- LDA Bullet_Speed_Data_Ex,Y3 e9 l" m3 J+ n' o% W9 b
- STA Bullet_X_Speed,X2 r# Z7 [) a, q. O9 q) ^2 R7 Q- k
- RTS& `/ `+ O+ i+ A: N
- 4 G. C: j/ V7 C$ G
- Track_Enemy_Ex_X_Less_End:# G3 e+ j1 ^/ {; x
- RTS" V6 a4 c5 m9 U
- : S- y: T+ f! c
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
! N2 X. d# n' s6 L5 w7 o - CMP #$03
% x1 Y9 Z6 l8 P" e* r6 V - BCC Track_Enemy_Ex_X_End
- B5 M( s+ \" w. ], y - LDA $6020,X* V1 X: J' [) o) s% z/ j
- CMP #$2A) N3 t( F7 N+ J% }6 m' b5 \6 |2 c7 z5 @
- BEQ Track_Enemy_Ex_X_Greater_L1
# b' G! d# w7 l - LDA Bullet_Z_Pos,X# m7 {! w" z p7 I
- LSR, ~3 U4 z0 P. {" Y2 f8 f4 \3 G
- TAY
# A: n. ]& f0 e& N( u - LDA #$005 o& P$ X: N) y4 g: h0 }
- SEC0 E. x1 L0 u6 v& Y
- SBC Bullet_Speed_Data_Ex_R,Y& x8 O k6 l" B/ d! e4 S2 {% b
- STA Bullet_X_Speed,X
( I& P' z! L3 D - RTS
2 s6 }$ y6 Y7 @4 e8 t2 d - 3 C# X' `6 L# R" \
- Track_Enemy_Ex_X_Greater_L1) |$ @* n6 f5 W( K
- LDA Bullet_Z_Pos,X
R4 L! I4 E1 Y6 l: ?& s - LSR
" k$ c5 H1 D+ a& U% i - LSR( m a0 v; [: s, f: ^2 f1 a
- TAY
* L) d' m. Q' ^ - LDA #$00" p$ u: N5 O8 m7 P- n5 g
- SEC
: S/ o) V# r i4 c - SBC Bullet_Speed_Data_Ex,Y
6 y p) U r0 Y7 Y - STA Bullet_X_Speed,X
# t0 M8 K1 ? n/ t; y, U - RTS
6 J: w& L7 ]: @, e( J3 c9 r5 M - . v! l$ T/ V6 A/ a7 _
- Track_Enemy_Ex_X_End:2 K2 s3 u* k0 F; @
- RTS
: @1 I- A8 P* j/ b7 M9 x; s" m$ q, M - ( E* @) S8 n1 w, w& e; B. 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), @" Z# j E% V o' D2 h- Z5 ]
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上$ B0 b" b8 K# d: j* y0 ^0 y# T
- Bullet_Tract_Direction:; N$ e, S# s; a/ f( C
- LDA Bullet_Icon,X
/ P: [0 a* }+ F R - CMP #$23
# b7 n9 ~! U+ U6 z$ S - BCC Bullet_Tract_Direction_End$ `, _6 W/ R6 r' F0 K. h% t
-
" J+ y- @- R5 \. Y! d& w - ; X != 0' v- |) A3 a/ l9 z& L
- LDA Bullet_X_Speed,X8 Q2 ]( [# B9 J' C
- BEQ Bullet_Direction_V0 n* s$ i3 o. ?( K1 b
-
& L7 g) N' f, U( Y' B, s4 u - LDA Bullet_Y_Speed,X
/ X3 U- f L* g. O4 l. ]2 m - BEQ Bullet_Direction_H
4 g( G2 d& }4 z+ N: v# F' j% \& R - 3 q z7 I) C0 Q0 X- f! `+ c
- LDA Bullet_X_Speed,X* H3 ?$ K# \' z5 w, `& N
- BPL Bullet_Tract_Direction_Right
+ L, g7 k- P$ o; Z3 z) e - Bullet_Tract_Direction_Left:2 C9 K c( Y' Z
- LDA Bullet_Y_Speed,X
5 _. e1 Y3 V) c9 U+ u" L" H - BMI Bullet_Direction_Left_Top# O# Y$ E' g9 [1 E
- BPL Bullet_Direction_Left_Down
& C: }4 ]6 Z @1 H' x) d& j - Bullet_Tract_Direction_Right:: T, y: O& O/ O
- LDA Bullet_Y_Speed,X' K, I& X5 K% ]; Z3 X( `& {
- BMI Bullet_Direction_Right_Top
* M' J$ @" i- b* p) z& Y, W - BPL Bullet_Direction_Right_Down
& z& i0 y- t3 L: v: z1 | - Bullet_Tract_Direction_End:
( O \3 c9 N. {8 ^$ x2 | - RTS
4 ?: i5 n$ t) l; P8 } U
& b) n- a5 c0 e% \$ e; P3 f: y- Bullet_Direction_Left_Top:7 l+ w& { f2 V
- LDA #$250 C+ ]; R* n# [" ?( y
- STA Bullet_Icon,X# L* `4 i* H" r- G. W- c5 s- K6 C
- LDA #$C0
! {2 z& v' _: X; w- t% I& `1 d - STA Bullet_Direction,X% S% s! p0 k* K
- RTS
1 A; {7 R, [9 l* j - / V' f7 H; v" K4 B, b& E/ @
- Bullet_Direction_Left_Down:
4 H% a- ?! b# o1 [ P! N+ [ - LDA #$25/ w, {$ D' E- T: q+ b+ c
- STA Bullet_Icon,X4 H, Q; [; d; k& x0 G# {; z
- LDA #$40
" ^$ x- H! w! K0 E# H! F$ X. Q - STA Bullet_Direction,X5 s/ L' Y( T8 V# b; R( W
- RTS
/ t5 F& b9 {# z. P1 v- W
) Z* J+ T# k8 I. R- Bullet_Direction_Right_Top:
" ~3 U' f. s1 {$ T) a3 E9 Q/ r - LDA #$255 W0 K% F, g V2 a5 A
- STA Bullet_Icon,X5 z! N* ~& [4 ^
- LDA #$80
* t9 O0 l2 t) Q - STA Bullet_Direction,X
o4 Q) l7 a: {9 @' I% b - RTS8 P9 h9 k8 m/ s" S9 P* I
- % ?; D; ], N: u# b8 N
- Bullet_Direction_Right_Down:
& j4 l$ S) K6 J0 t4 j. K2 p% C4 c - LDA #$25 b* v/ r% {$ S- `
- STA Bullet_Icon,X
! m, u4 t1 q, c4 i - LDA #$00
' n! \5 p% t4 g+ P6 Y - STA Bullet_Direction,X
[; M) \/ J6 v) ~% `6 q# h' i0 ?1 ] - RTS+ H n. a1 ?4 I# Y2 {
, c# j9 k. Q& N9 F1 t- c- Bullet_Direction_H:
( P: |/ u" o, y: F/ [, B - LDA #$24+ U, g/ M, l y2 N0 Y
- STA Bullet_Icon,X. ^+ A1 j% o0 ^ @ c& \1 f5 x; ?
- LDA #$00# A, ~* k& e& _6 Y, m) e6 X
- STA Bullet_Direction,X
$ i# I7 G+ y& x5 p p. J. | - RTS* O% J. w; G2 E% {6 N
9 }# [+ T$ N8 u1 J+ r- Bullet_Direction_V:
6 {( p+ i1 {3 g - LDA #$23+ s) V2 W; D2 I# L0 O) J* Q
- STA Bullet_Icon,X- [- N" E& o* N% B
- LDA #$00
2 w \" Y) P: T! W - STA Bullet_Direction,X0 ]. [9 g# J/ m2 x$ O- a) C2 d) x
- RTS
# ?7 y6 W# a/ U: U. H6 O
) Q9 r9 _; g' o- Bullet_Speed_Data_Ex:3 u$ f$ E' |" P8 Z6 @6 D$ W
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$049 Z1 |) e! d( c& k) j
- ; K- L, E8 K0 a
- Bullet_Speed_Data_Ex_R:9 q3 X* v+ i( u) C1 I& A, W9 @
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08: c5 B0 N; n9 D4 U. q0 h
-
复制代码 1 p7 n# }6 t- R# L1 h/ Y+ ?/ ^
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