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[FC][魂斗罗][J][追踪弹]; R+ Y7 s# Q* c) s# J) A% W
8 [' r+ {# b: K% ?/ [
时间:2023.04.30
0 S! ~: Z8 O" Y0 H9 e7 S; y作者:FlameCyclone
8 C. @- S5 Y0 ]: S9 z- w内容:
`6 k) O) h2 e$ N4 \$ W 1. 所有子弹追踪敌人
! O6 B; g' h' p7 }6 r7 F) }& K 2. 选择键切换武器
( {% R" F1 _+ J/ N 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+ u* N! e+ [6 x5 I$ r6 K& b+ t. ^

/ c+ d/ R+ e A- K; y- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁 \" M" L, o6 g
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L* D% O- j6 k W) ^( ^3 [
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)3 ^# J$ \: l' f# ]" G- B5 s. Y
- A4 p# n' A& r9 R3 q# g- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
% ~6 J$ s5 |' C K+ i - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上5 z0 f) p4 F: N3 R# x
. \& \9 ?1 c) D @6 _8 s- ]& ^: I- Track_Enemy_Index = $6000! K' b2 k+ I' F( L! r9 E5 T
- Enemy_Index_Begin = $6010
7 Z+ u1 y( Y6 G; w - Enemy_Index_End = $60117 {: x, A: r+ W6 _ Q
- 7 n# M( u; S2 @8 c/ Q
- Loop_Index_I = $60124 [2 p+ V u$ V
- Loop_Index_J = $6013
3 r: U6 M/ m) g; Q. ^* O3 k - nEnemyIndex = $6014; Q1 P2 N# J0 S8 m) d8 Z" m
- Data_buffer = $6015
. Z$ x5 i4 h k# ` d5 H
, g4 y! S( r$ F6 b- Bullet_Y_Pos = $03B8 ;子弹垂直坐标" E# w4 I: G$ O. a! @/ n
- Bullet_X_Pos = $03C8 ;子弹水平坐标+ H# L1 g; a9 K, b: g E
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
- U$ q: z# T# V6 V: D8 a/ ~1 g - Bullet_X_Speed = $0408 ;子弹水平速度
8 I, Z' p# ^" B: ~1 L9 r% D4 I9 p - Bullet_Z_Pos = $0418 ;子弹Z坐标
' m2 K' w( h# Q D/ W' Q - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P, G; N3 }9 j4 t6 _
" J, ?4 j w5 k, e' [% \4 E# Y; y- 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
' h# `+ |% m3 L- J w: b2 |6 \ - Enemy_Blood = $0598 ;敌人血量
( x. b, R9 g* v. p: h2 Z - Enemy_Type_Addr = $0528 ;敌人类型
8 [9 K% v; |' H; I - Enemy_Blood_Addr = $0578 ;敌人血量
: q4 L: d" U, r$ o+ W5 B - Enemy_Y_Pos = $0324 ;敌人垂直坐标
7 z, j) {9 x$ ^" p: ]$ E- U. f - Enemy_X_Pos = $033E ;敌人水平坐标
4 n3 J3 _4 O( m! C$ ~% F# T - Enemy_Y_Speed = $04E8 ;敌人垂直速度2 p2 [. Y8 M/ c- |$ i% Y% z4 p" m
- 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
$ [1 Y5 s1 ]' O* e! {/ }0 k* b - % y1 _7 y/ ^, [7 W3 M" u
- Enemy_Index = $83 ;
. E# e- j& q7 z# z7 Z( ? - Time_Count = $1A/ F N& {; O5 W9 `* b
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率, ?/ Z# L' V% c( L
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
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3 S9 d7 D2 Y3 a& M, \: ? i- * z6 \" e4 T( ~! d, k: A" y
- .ORG $6100
3 h( ?: {. A7 ^. S" N; B - Process_Begin:
! n( p# j, w E. g4 q - JSR Enemy_Check; F5 i1 K: m+ c( V1 t$ u- t0 r: D
- JSR Track_Enemy_Check% t/ `. [' O$ P& Q/ R6 t, n' D
- Process_End:
' N, k7 V! L P) A! a% W' } - JMP $E54F
; s1 e3 j4 N. e2 u- O - 7 T$ C( j1 b8 C# s
- Enemy_Check:
6 e i% k, p& q; \3 Y( Y - LDA Time_Count
8 [2 ~+ ]9 Q1 G% @9 c6 Y - AND #Track_Bullet_Speed
b# N$ a9 f- a7 Y. e - CMP #Track_Bullet_Speed
7 A& h c6 q* S% h: U' w! Z0 N - BNE Enemy_Check_End: S, A, ~" G2 T9 y; ~# D
- LDX #$0F" q! r5 _2 m8 b# X+ M/ p9 Z
- Enemy_Check_Begin:0 q9 j) i* w/ j/ s# e
- LDA Enemy_State,X
" X+ x, V! [7 j7 V0 R) {5 [8 l - BEQ Enemy_Check_Continue
% X* D* n2 J5 k* r. f4 m1 ~1 Y - STX Enemy_Index
' Q P5 V1 b" D3 O - JSR Find_Begin_Enemy+ b B7 S* T( T+ w0 F6 g- r# o
- JSR Find_End_Enemy
9 Y7 ?* ]7 V7 J$ a - JSR Bullet_Track
4 a2 e: m7 g. I0 ~$ U$ T - / b7 z8 U* h0 i( s
- LDX Enemy_Index
0 j" l4 g6 s% ?$ } - Enemy_Check_Continue:
% P. d8 L e6 l" A, a - DEX
4 V9 y+ w1 ~1 h2 H: v - BPL Enemy_Check_Begin1 D8 ]# s7 n7 ?; t
- Enemy_Check_End:
/ b( Y t$ {5 ^7 D6 v" C - RTS4 X( P i+ A. W& W5 ?& |
-
( ]9 J8 A K7 l - Track_Enemy_Check:
3 X1 S( f- ?/ k8 f - LDA Time_Count
' f4 z) [' e o& J z3 \" I - AND #Track_Enemy_Speed& v8 Z* Z& \ p) W( e& a' Y7 I! }
- CMP #Track_Enemy_Speed
9 z! v8 E6 P4 q$ ?, Z - BNE Track_Enemy_Check_End
# X+ H0 Q, S" w/ @: z - LDX #$0F) v8 ]7 d9 d. p
- Track_Enemy_Check_Begin:8 P% _# I% d$ F: V/ m4 |
- LDA Enemy_State,X6 ]4 f1 c8 w9 @6 N# l, t8 C2 k' O' }
- BEQ Track_Enemy_Check_Continue
3 q k1 s- q2 b0 ` - STX Enemy_Index. r X& J- Z$ x" P, D6 [
-
& Q% C( J% y3 t4 S, N3 f: u9 Y - LDA $407 }" A( C- ]& _6 c7 O8 `
- LSR
: R0 |/ d; z/ k/ u; s. B! p - BCC Track_Enemy_Check_Begin_L1: i1 V& I" I3 p. ]3 R6 `; q
- & L, e% e: |- g- L8 v) q
- JSR Track_Enemy_Ex ;2, 4
7 `: j6 b. V, p% N7 x - LDA #$00: t# y. V7 ~; z7 \' x) ^8 h
- BEQ Track_Enemy_Check_Begin_L2# @& C: z( Z7 M1 B# {! d5 m
-
N: K* m% a7 a - Track_Enemy_Check_Begin_L1:8 E0 t4 P! m/ P) d5 }; u8 i
- 3 f, M6 C0 Y0 D/ M& F1 a+ W2 b& ~
- JSR Track_Enemy/ S6 F$ W- Z @
- , {4 P" m8 a- C, {! s3 q- R
- Track_Enemy_Check_Begin_L2:! D2 c+ E. ?' W4 q
-
7 [4 y; O3 \! S, S# t: X: ^ - LDX Enemy_Index! Z2 {3 s, K0 y
- Track_Enemy_Check_Continue:
* u/ t+ Q' B x. M3 W - DEX& m' a6 N6 Z% j
- BPL Track_Enemy_Check_Begin; ~" [0 |9 }- Q" S
- Track_Enemy_Check_End:
8 Y* R8 s* G1 a& h7 v" Z" V - RTS6 v* ?) { v' U( d0 N
; s$ W. L0 h/ o! E2 n- Z7 U0 ]6 |, v
5 A3 z1 N2 K Z2 A' \/ W6 P- ;查找第一个敌人5 @/ a- q( ?) r& I- o3 B
- Find_Begin_Enemy:; E5 _5 i8 X# G1 P
- LDX #$00
( I3 o" s/ ^* x+ \0 g* Q: D# E) V - Find_Begin_Enemy_Check:
1 I, y- t8 ?. I; y, D. h - LDA Enemy_State,X2 j+ O, q4 X3 j; A2 L+ A
- BEQ Find_Begin_Enemy_Check_Continue3 P: E+ i* d$ v
- LDA Enemy_Blood,X! i' G, C7 W8 s" x
- BMI Find_Begin_Enemy_Check_Continue: ^4 A" c+ {) n2 \ e5 {9 y% `
- BNE Find_Begin_Enemy_End! H8 b+ C2 Y9 ?. A
- & b; q+ O5 I0 i7 T
- Find_Begin_Enemy_Check_Continue:
5 {1 D( b0 @8 \3 m - INX9 u7 H1 b5 Y0 ~
- CPX #$10
9 F0 Q) D, J; a- X4 B: H! v - BCC Find_Begin_Enemy_Check
" A# Q) C" f9 V - Find_Begin_Enemy_End: n% W' d8 J0 {) O! U
- STX Enemy_Index_Begin
5 C( `9 a8 D0 g - RTS
9 L9 H0 ?, r" w
5 W( y- I! I% A7 i$ }# a- ;查找最后一个敌人
, L5 d$ m) @+ R+ A( g - Find_End_Enemy:9 {% _7 X! ]7 C( [ L9 w, g# S* V8 {) A2 G
- LDX #$0F' i) N( G9 w4 b2 @6 ^& w
- Find_End_Enemy_Check:
6 M" w7 ]/ q' j* t8 ^3 g# G R - LDA Enemy_State,X
! @5 q# F# V# E6 q! m7 z8 N- A - BEQ Find_End_Enemy_Check_Continue
4 ?7 W9 ^2 I1 M3 [1 A; b* ?' k3 W - LDA Enemy_Blood,X
& O+ N% X9 G& R. A5 U - BMI Find_End_Enemy_Check_Continue
$ g' K, W% j5 I9 e' K$ u - BNE Find_End_Enemy_End
9 D$ n2 Z$ b- x# n& g6 C6 [ -
1 p* \ d6 O+ {( `. Q - Find_End_Enemy_Check_Continue:3 D2 \7 C7 m% X% @- u$ [8 V! i+ ^
- DEX& a1 y- Z; l4 [# R+ l9 M5 H
- BPL Find_End_Enemy_Check/ N7 t2 e: c- V) A
- Find_End_Enemy_End:2 {3 @# s4 y n. |; u
- STX Enemy_Index_End
5 v3 v8 i/ H: v' G( s! S1 n( P- I - RTS
) `2 }) R1 H1 A4 Z9 B
& [# g, _8 v" C) v9 M" J- ;子弹追踪
4 C8 G/ s* c" f' X5 I$ R - Bullet_Track:
" }% e( E! H- P4 O* D# F/ g - LDA Enemy_Index_Begin
& F2 E8 _, B' d# S( E+ |2 Z* n - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
; p6 }0 `. |$ n' M - LDX #$00
2 H4 v3 E. A. w* f @$ [' @' x0 Y - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
9 V% u+ c) d2 Y - LDA Bullet_State,X
& J1 |8 X. [. h7 T - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
! i8 j1 P, n; U; G - STX Loop_Index_I* [5 b- j. s. N
- 2 L* O8 n7 ?8 w6 C8 m
- JSR Bullet_Track_Enemy
/ h6 ~ ?: z; b# v* _$ C3 h5 N: J7 t - JSR Bullet_Tract_Direction
0 w( s% M; D5 [ k% r -
- @3 q- s ]4 T" a$ g6 `" g+ 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5 l% p% A# B* n5 O
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;, J% [, a7 C2 s
- LDA nEnemyIndex( V) @) p# Z1 [) h& H: L
- CMP Enemy_Index_End
6 Z+ p- Q, U) @) e) _ - BEQ Bullet_Track_Check_Continue
7 ~5 p* ~2 n* S2 H- P3 e5 T6 k - BCC Bullet_Track_Check_Continue
# M! _# X8 v; l" | - LDA Enemy_Index_Begin" t4 I# M, y5 _- N+ c
- STA nEnemyIndex# f/ U& ]- a/ k8 s ?( ]
-
8 d( I' ~% {) ~- I - Bullet_Track_Check_Continue:6 V8 d1 F6 M0 {$ V% _: t
- LDX Loop_Index_I2 r2 E. W) i) P. N
- Bullet_Track_Check_End:, G$ h( G# R) W% [ V
- INX* j% T+ c- R' |7 A9 |) p0 i8 k# i
- CPX #$10( o0 t9 [2 h) [
- BCC Bullet_Track_Check: Q* d/ N; r! a7 j( C T
- Bullet_Track_End:" D2 u) r4 W8 E# l9 n9 U
- RTS
) I3 d) |8 {1 a4 N* {6 k* M) G/ ^ - ; w) o7 ]9 i7 C% g! T
- ;给敌人分配子弹! g5 H- M$ E8 G N9 w: \
- Bullet_Track_Enemy:( E) I/ ?9 u1 W: H3 ~. i" W
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
" e: O3 V$ k: r - Bullet_Track_Enemy_Check:
- M k. c) \1 ]' F - STX Loop_Index_J" `/ _/ @; i8 K* r/ K
- $ M3 F. m( c# e9 d* v- o( J
- ;if (0 != nEnemy[j] && -1 == nTrack[i]). U. Q( ^0 J/ h) i
- LDA Enemy_State,X
$ K3 u4 U# r8 B: _+ T" y8 p/ g' W - BEQ Bullet_Track_Enemy_Check_Continue1 q- x* \" g% F- D
- LDA Enemy_Blood,X
2 b. w: ^! L: e, v/ Q& ` - BMI Bullet_Track_Enemy_Check_Continue, j, B1 b" l, o. O6 l# b
- 5 ^, a5 {7 \! V* g
- LDX Loop_Index_I
) y: I: s! v( v7 X' g* y - LDA Track_Enemy_Index,X
! V' N2 z) c9 [3 ^$ E - CMP #$FF
( W( W M, o1 ^( } - BEQ Bullet_Track_Enemy_Init& `9 c) t$ _4 ^
- ; F- v5 k: g# o5 T
- Bullet_Track_Enemy_Init:
7 H& k9 {+ f- K0 V - LDA Loop_Index_J
. n1 _9 P2 i4 M* b4 X- M$ ~. [3 m - STA Track_Enemy_Index,X ;nTrack[i] = j;
( y+ P( B; L" q -
# K) a( y1 a; d1 t: S* ]6 \ - STA nEnemyIndex; ]/ T* b0 S/ F I3 N& `+ b4 m
- INC nEnemyIndex ;nEnemyIndex = j + 1;
7 m" q+ x% B: l* V! Y, w - RTS ;break;
& ]/ u8 B8 U$ Y% d$ w5 n
) y* E. }6 ~- b- Bullet_Track_Enemy_Check_Continue:
+ \( k b$ I' y1 b, w& n - LDX Loop_Index_J, V. j4 {/ I5 D% N. S0 o
- INX ;j++
5 } g7 }# g; @* s - CPX Enemy_Index_End/ f q4 q# f! b2 e( W. G
- BEQ Bullet_Track_Enemy_Check6 ?; Z) t, p# [# h: \* ~
- BCC Bullet_Track_Enemy_Check* } b( v. t. c9 ~3 C+ X
- Bullet_Track_Enemy_End:* z6 e7 C/ o5 s$ t3 ~8 O
- RTS; T2 H6 F* Q0 {" k# q8 G
- # o x l' o* I* x8 _$ b
- Track_Enemy:
7 s7 z) V0 d- ~$ H6 x# i - LDX #$0F
. `# h8 ?8 J/ T3 H+ {, @: R3 ~0 V - Track_Enemy_Begin:2 n7 j: l$ u0 a, j M
- LDA Bullet_Icon,X- V0 ]- G' {7 d* M
- BEQ Track_Enemy_Continue
+ z4 j5 ?1 T4 T% f - LDA Bullet_State,X
6 v/ v i( n% B- K - CMP #$011 K% Z" y7 e8 V, Y. r q
- BNE Track_Enemy_Continue+ `; i4 o8 ^; T- H* F
- - G: y8 B* G+ r, J2 @. ?. ]3 D, u
- JSR Track_Enemy_Process
, j( s' }2 j+ @( U6 \0 I, w6 p. p8 l" S - : N* B7 a5 x4 {! m" T1 L4 W7 r0 B
- Track_Enemy_Continue:
( R) R6 b' \9 W1 U: Y5 E, i4 ^' h5 u - DEX8 j8 O) f9 \5 w- P; y8 K4 v' @. W
- BPL Track_Enemy_Begin& c% E4 d: e) Y. d$ W4 n. j5 K
- RTS
; k, ]8 G! I% l- U. ?! X' l - & |2 [ s" n. _4 @* k e
- ;普通关卡* Q4 n- F' @! R" m! u( A* D/ k; ^' _
- Track_Enemy_Process:
6 u9 z8 M, t+ V& p. ^4 x - LDA Track_Enemy_Index,X% f" I% w; V* K- s- A0 V
- CMP Enemy_Index
! h( c. c3 D' i+ f9 J& f4 w - BNE Track_Enemy_End7 Q8 v1 w' L4 G. \1 h% |- G: I
- LDY Enemy_Index
. x1 ~3 L: P( f4 d4 |8 H: V! Q% Z - JSR Track_Enemy_Y6 O9 ^: w# r: A* _: o' L
- LDY Enemy_Index$ a3 F8 P: u/ b! e3 S) t0 u* N4 _
- JSR Track_Enemy_X& o' ^2 p. D& t- K2 o+ r
- Track_Enemy_End:/ v% e) R4 e J" O3 T
- RTS3 p1 W! I" v' E& E
- 2 ^ Y! Y, z/ T0 N
- Track_Enemy_Y:; q+ ?6 G L8 R5 I; W
- SEC
5 `/ p; A s( A. D - LDA Bullet_Y_Pos,X
4 T$ }6 C, W) m4 L; ]: r - SBC Enemy_Y_Pos,Y7 H8 T- V3 a. ~
- BEQ Track_Enemy_Y_Equal
, ~; F& [- i9 f" h0 o" g - BCS Track_Enemy_Y_Greater
5 p" H3 q9 t. u7 [1 r0 m4 R: v - 7 X0 O3 ~- r3 q }: z
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y# W* E6 |. j& ?9 Q7 \2 V
- CMP #$FC
. e) m- l- v/ k/ K- q% R& b - BCC L1_11 K$ R6 S* Q8 J5 A8 {: W
- CMP #$FE5 J% k# x+ i) ]; {
- BCC L1_2# m9 K8 ^# D5 B: Y7 m+ i
- LDA #$00! ?: a; M8 F8 u" ~1 F" G
- STA Bullet_Y_Speed,X- L. f1 ]- i8 ?( N4 R' s4 a
- RTS
# {- U k$ ?8 f! H" M! o" w - L1_1: . G: \- E! P3 e( [+ g$ N( j) H5 r
- LDA Bullet_Type,X1 k, k* O7 f& B, U/ U, r8 c& b
- AND #$0F: ~4 v1 w) A2 u/ e* y e3 Z. ~2 L9 y
- TAY
0 G+ U, k5 ^4 Z - LDA Bullet_Speed_Data,Y4 @6 ] @$ c0 }" t7 `& m
- STA Bullet_Y_Speed,X
1 x0 ]# [1 {4 T* K - RTS8 O" v% N& A" z
- ! ~6 n6 b+ i3 O4 V7 M: [
- L1_2:
5 h* y% ?% I/ t. V3 ^9 y# Q M - STA Data_buffer
) O, ]3 y: [8 C' x2 {* G) x - LDA #$00
. p/ g) ?3 B4 R% B% j% s* ^3 K - STA Data_buffer1 Y8 F6 {$ y7 T! }3 n4 s1 l: b
- LSR
7 u) O4 O) t1 q# O' ] k - STA Bullet_Y_Speed,X' n1 N( F$ [. o- s/ S$ n7 D+ a
- RTS6 M$ F4 c9 I! `5 C( `7 U' a
# R- ?/ b( w) z8 f- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
0 B: ]- Y: w4 G: d% d! K - CMP #$04+ u) E% L2 r; g( a6 t
- BCS L2_13 F# p: a0 p# l8 S
- CMP #$04
+ R+ i- \) y2 z8 W/ ^ - BCS L2_2
" x4 q, |6 _ o) ~: v" j. h - LDA #$00: X( R' e& F. C: |; T
- STA Bullet_Y_Speed,X
7 M0 I, K0 @+ w4 z& ~ - RTS
/ y) g: R( W3 X% }" D0 ] - 9 p" `4 d, n1 n6 P: ]
- L2_1:8 V2 s5 [! O& T
- LDA Bullet_Type,X
6 J5 E0 C8 r8 ^; I! x- D - AND #$0F
+ z: t: v f) G4 B - TAY
* [2 T( p, {; q0 J$ w - LDA #$00 k. L7 F! X: ]3 A, \3 _( m. ^
- SBC Bullet_Speed_Data,Y0 ]0 P! o, ?; ]) }" U9 Q
- STA Bullet_Y_Speed,X* r8 X( G; u$ H5 f; H
- RTS
; t3 ~9 Q0 c6 I! A6 R - " u9 l+ |* V, \- c
- L2_2:
9 t" o$ n* W$ M7 _& @ - LSR$ h' o9 I2 |% g7 f* A+ t
- STA Data_buffer
6 a2 Z2 I% o% B# [, U - LDA #$00; b4 w4 S! ?6 i$ ~* ]
- SBC Data_buffer, |! M2 F; V5 l7 \' [
- STA Bullet_Y_Speed,X
$ E6 z1 @) s1 ?$ U" } - RTS
# s3 P6 z7 A3 U$ p6 E& N6 N2 F -
2 u7 t* s1 U# _ - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y$ Z2 z5 }5 M/ h
- LDA #$00# s: D9 I( ?: `& m; L |# o8 u& R7 G
- STA Bullet_Y_Speed,X: O+ a+ g/ ~& Y4 _
- RTS
) W9 [0 C9 X4 B) a; f5 O! o -
/ ]9 H$ d, R0 t - Track_Enemy_X:
) p [ D& ?( K1 t) j - SEC
1 t% [* @' A5 x! m - LDA Bullet_X_Pos,X
( `5 h) b9 F- c" l7 ~1 N2 O - SBC Enemy_X_Pos,Y# Q7 \" h) F' s o, w# E
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
! L) [* k( b h( a9 k8 x - BCS Track_Enemy_X_Greater ;子弹在敌人下方/ |% }) r- P( }/ F2 i
- & {- M4 j# u1 T. R4 R9 n; \
- Track_Enemy_X_Less: ;子弹X < 敌人X$ Z9 `" r" v9 r; z; v4 t! Z
- CMP #$FC E6 C" k8 e. ~/ u& ^/ q
- BCC L3_1
7 d I b* `& x) w- o: }" k$ F' z - CMP #$FE
4 G# R4 @7 Z3 Q' y1 B9 E9 M - BCC L3_2
% F& L( Q8 q/ A; A5 H: j% p - LDA #$00
- u4 f% l: D" c [( `' W) { - STA Bullet_X_Speed,X
5 N0 {( X0 c1 |) j8 _ - RTS
* b7 [* {9 f" E% p: m- j9 A) V - L3_1: ! P! K$ |( P. I+ U
- LDA Bullet_Type,X
# O) L% ~. a/ ]2 b- Y& h - AND #$0F
/ L5 s4 S ^- S% T9 R7 X - TAY
( j1 U4 a/ @7 V$ p5 |, U- i. _: n8 L - LDA Bullet_Speed_Data,Y y% V8 r; x+ A" `3 @/ b1 A
- STA Bullet_X_Speed,X
. \( i3 V. W7 m - RTS _. Q7 x8 T" |- ~
- L3_2:
6 C- w6 Y( P% A* u2 L ]- ^2 N - STA Data_buffer
& f2 m4 I" o. f - LDA #$00
3 H0 l: ^8 i9 k& M0 s: g - STA Data_buffer$ b6 g; @7 a5 c0 ]4 w
- LSR
6 _& p: y2 Q; v5 Y - STA Bullet_X_Speed,X# P. D& Q5 \* J/ d
- RTS- U+ g5 h: }2 e2 |1 L N
-
4 U! J. k) a7 W. w3 H5 c% I" I - Track_Enemy_X_Greater: ;子弹X > 敌人X% e& R) L! n/ V+ T
- CMP #$04# `1 K( l0 r" \! M
- BCS L4_1- S/ W0 N% S0 _$ U1 w; f; ^7 x
- CMP #$02. S0 x0 y8 b' X1 Z5 M
- BCS L4_2, \1 H/ n, G. y/ t
- LDA #$00
) p+ O0 M/ h4 L& m1 c" u5 h% v - STA Bullet_X_Speed,X- M2 q* } Z" ]4 n+ i: y& G! G* n8 V
- RTS5 t' e7 b! q0 m' e
- # U' P$ E2 w# _! y' Z9 F. g
- L4_1: 3 E5 H- Y: P }' h
- LDA Bullet_Type,X
2 ]9 x6 C, w5 z3 v. a5 Z - AND #$0F9 s ` d5 h% g
- TAY- d! S: }5 i/ {/ R5 I! Y
- LDA #$00
! [5 T+ [6 y9 G/ o, s* P n* x - SBC Bullet_Speed_Data,Y
9 S* c' }. E7 c) U0 I* M - STA Bullet_X_Speed,X% H/ ` E/ M: p; G2 z3 E
- RTS, Q# q0 J6 P- Y
- L4_2: ; ?) l, F' b# y4 ~! ?5 Q
- LSR
' [( V* \3 u) H: x- G% X - STA Data_buffer
6 w. F F8 A+ U8 `2 `3 k6 E; Z - LDA #$00
6 e' ]' l$ @1 W; k$ P1 ] - SBC Data_buffer( k9 t" q, R; G5 d4 G: v5 C
- STA Bullet_X_Speed,X x, ^$ K- f& P) X* J( e
- RTS2 g6 n; {4 I2 y `0 X; _0 M0 a* w, [) ^
-
* P* A' ^2 F) X0 l4 X1 \; ^; ]6 s - Track_Enemy_X_Equal: ;子弹X == 敌人X
6 s# F4 a4 W2 ?/ o* u - LDA #$00
, F/ B% I4 W! s - STA Bullet_X_Speed,X$ D* m3 W6 V. f/ ~+ v
- RTS; `8 ?# F) x$ \' x
- ( _, v. ]+ @# o1 B7 S8 l) P4 ^
- Bullet_Speed_Data:# p) e6 t' N p( D1 Q7 d3 H
- .DB $00,$03,$03,$02,$03,$03
' v; T& |+ u* |$ y- @6 H -
/ @0 J3 z; l- n) I4 {( t - ;2, 4关6 ~. T# w. z% e/ ~- h' \* i
- Track_Enemy_Ex:
) p) z3 s. f) i0 l! S - LDX #$0F
$ A# u: n) [& ^) x o - Track_Enemy_Ex_Begin:
/ A* d* V, z) G
* W8 I5 K" E- r' j# K9 l- LDA Bullet_State,X
0 k9 ]5 j: J' I* | R/ s - CMP #$01. K" U& y) I, R9 z$ n! `
- BNE Track_Enemy_Ex_Continue
1 R0 q3 ?+ E/ \. K M - + C$ h& ~! Q( N$ Q8 d" n; L9 }/ r0 _
- LDA Track_Enemy_Index,X+ a; g/ \1 e9 U6 Z
- CMP Enemy_Index
. D. C1 u, {$ w+ q/ y ^5 r - BNE Track_Enemy_Ex_Continue ;匹配追踪目标) P9 u: i% x" o* Q+ V9 d8 z3 W
-
7 q) y3 V, b' ` l3 ~# O - LDY Enemy_Index
7 v M* M. F+ ~ [$ j! F- v2 R - JSR Track_Enemy_Ex_X* X. K l8 d- I
-
+ t/ w% @3 z' I: t. H* D0 u - Track_Enemy_Ex_Continue:
% Y$ h0 m/ m" p3 l, O/ | - DEX
- N" o* T$ v2 h/ i8 U6 L3 d - BPL Track_Enemy_Ex_Begin
% T, D- @3 H& s2 ? - Track_Enemy_Ex_End:
, ~8 G" a6 f$ M+ I/ u1 e/ M. x - RTS
+ ^0 o3 ]2 W; J! m4 L5 L' P& |9 x - . b9 u/ I! ]5 p: Z" X: q/ D
- Track_Enemy_Ex_X:
4 o$ Z; L) C, X9 G4 O3 D - ;LDA Bullet_Z_Pos,X
' G' [5 K% z) }/ R6 z* S" R( f - ;CMP #$04
; W2 H4 Q/ N: t2 Y - ;BCC Track_Enemy_Ex_X_End5 x/ K' k! c& U. _
- SEC
/ n1 c6 I! Y; _* V/ B* K - LDA Bullet_X_Pos,X
4 w* \/ f K+ W5 k - SBC Enemy_X_Pos,Y
% r1 A8 ?( z6 P7 J2 v# F- ` - BCS Track_Enemy_Ex_X_Greater
6 G, r. c* \. U -
7 F0 D1 n4 |0 N6 g - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X$ L! o2 J* s1 z, H/ b" A2 O# ?
- CMP #$FD
. h4 L E$ {; ^0 s( e5 T - BCS Track_Enemy_Ex_X_Less_End8 g8 J, V3 C) | t" ^, j0 h
- LDA $6020,X' c: G" ~0 J' x3 K
- CMP #$2A+ H$ o5 g5 J ~1 s+ n8 e+ j
- BEQ Track_Enemy_Ex_X_Less_L1+ [6 E5 u# k, U6 c+ E3 v% l6 s
- LDA Bullet_Z_Pos,X P" z: w8 F2 q7 R( F! O( |' C0 n
- LSR" a$ F, j: a9 F- j. z
- TAY
* @$ _! t7 ?" M# g+ r# A - LDA Bullet_Speed_Data_Ex_R,Y
5 w! z' y' a6 z1 J z* | - STA Bullet_X_Speed,X' w. D0 G& E: Q
- RTS
6 H1 I1 I7 O- g; M! c - Track_Enemy_Ex_X_Less_L1:
: N* k' @9 E5 Q: z. j! _) ~! X
4 K& X/ B; Q* g0 E- LDA Bullet_Z_Pos,X C$ b2 [" K% m+ G! U4 P( M
- LSR; V5 x. I# z1 w. `( A4 @. p& ]
- LSR$ x0 [$ n$ E ]7 ]& ^$ r. z9 e8 n* ?
- TAY
' Y$ T4 ]3 U. r, Z/ Y8 { - LDA Bullet_Speed_Data_Ex,Y
# ^, v l9 j1 H9 m$ B( ] - STA Bullet_X_Speed,X% |* ?5 r& k" a
- RTS
3 q) t0 d+ i- G- e - 0 |1 l! L N3 t8 n. i. x
- Track_Enemy_Ex_X_Less_End:8 h; y- H" N* l/ F2 N& ^
- RTS
3 X+ }3 j& p3 ~- O9 f. q% ^$ O+ \
3 J& u! R2 S: K& r$ C: c- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X' ^+ S7 Y6 z' Z* p6 V) w& t
- CMP #$03) \+ R7 P$ b# j( }$ b5 H
- BCC Track_Enemy_Ex_X_End$ O; r L/ L! Q7 u" ^
- LDA $6020,X b2 d, e- M6 }8 R& O5 I& H
- CMP #$2A
4 {8 ?% c& k. S0 l8 c. U7 _ - BEQ Track_Enemy_Ex_X_Greater_L1' t$ S u, R% I5 M5 K: I
- LDA Bullet_Z_Pos,X
3 T+ b0 D, T7 I: v0 O - LSR
) ?! V$ f) G4 ~) y& K; T/ m - TAY
$ ~0 k( W0 E$ w& [7 r$ K - LDA #$006 d- M M4 R/ r# W: T
- SEC
$ m, g Q" x. o* F) N0 Q) P - SBC Bullet_Speed_Data_Ex_R,Y
* L% q) Y9 g: W5 j - STA Bullet_X_Speed,X
v; Z! P, O- W% k/ z7 {" J; e - RTS& o! m* L2 R) q) h) r
-
5 T( Y; t* l1 v I - Track_Enemy_Ex_X_Greater_L1! b) Q% G) N# Z( ]
- LDA Bullet_Z_Pos,X
' i8 _$ p5 T3 n1 ^: ?) Z, J - LSR# I9 ^ C0 w! x+ S- n; x
- LSR
! q3 N9 x: y8 U, W/ n8 B - TAY
* D8 S q- U4 @4 i0 v4 } - LDA #$00
) z. j9 I ^2 h# g! U" V9 J: } - SEC0 h, b" D+ F% t7 U$ Y
- SBC Bullet_Speed_Data_Ex,Y7 F6 e, f4 f* L2 I6 }
- STA Bullet_X_Speed,X( p: o1 {) Q5 L( h* y- l
- RTS4 \7 y- j% T- v" U c, v
-
/ e1 \. d7 h% e: s6 i - Track_Enemy_Ex_X_End:' N% J) L+ \1 _, t# V" X2 e3 V
- RTS! L3 y1 x# [. G; M
- * [- v: \# }' V
- ;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 ~' [! ]; c& b) S - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
* c+ }4 z+ c' I0 c) h t - Bullet_Tract_Direction:
: h: J" U7 R$ u, D% q - LDA Bullet_Icon,X
( F. {; W& D4 F9 y$ C9 i5 R - CMP #$23
! d8 d8 @1 N3 \+ s - BCC Bullet_Tract_Direction_End
. A8 S% v) G R - 9 h6 `1 B/ |& E# S$ a& J
- ; X != 0
; a5 ^% R* f: P# I0 O! M - LDA Bullet_X_Speed,X* m/ H5 y- [! ~1 ~1 E* t
- BEQ Bullet_Direction_V
9 Z# T8 N9 B/ Q1 }3 q3 b/ P -
; D G, A, Z7 y1 W - LDA Bullet_Y_Speed,X- b, S t- V. {! m" u+ ]0 l
- BEQ Bullet_Direction_H
1 M0 N3 w i. _% E# {# | - R+ l. ^& b: T% J
- LDA Bullet_X_Speed,X
: y, e: j0 t9 `% a4 p. z2 _5 y - BPL Bullet_Tract_Direction_Right3 `7 _7 N# A0 _! V* @" g; z, [
- Bullet_Tract_Direction_Left:
# Y# |0 D' B7 R5 j - LDA Bullet_Y_Speed,X
5 a$ T% J& i2 ?: q5 U$ q, S1 r - BMI Bullet_Direction_Left_Top
/ G) i' G; R" g w! U) r - BPL Bullet_Direction_Left_Down0 d( p! h3 _# ~( O! I- O
- Bullet_Tract_Direction_Right:
7 R* S. i, V) M - LDA Bullet_Y_Speed,X6 b% @8 j* [: z" Y- ~' @
- BMI Bullet_Direction_Right_Top7 x6 d+ e( j7 d1 V2 m
- BPL Bullet_Direction_Right_Down1 D- _, F5 ?; {9 V- v9 m E+ P( Z& B
- Bullet_Tract_Direction_End:" X, ]' `% X: y4 [( I
- RTS5 f0 m3 h8 m8 q# v2 p. ^4 \% I
- - b( b* E1 o3 p+ B& i4 {
- Bullet_Direction_Left_Top:
' g' |, a4 ?+ }. k - LDA #$255 Z6 q* A! r, o+ @1 e7 n
- STA Bullet_Icon,X
# Q$ y/ ]7 Q& b" _, m; N - LDA #$C0
1 S3 o# P% @, B - STA Bullet_Direction,X( r( W Y, o$ y9 a! ?$ M; F+ I" S9 U
- RTS0 F9 \ q0 m0 F3 L7 D. H; K" }. G
- , [7 B% m% C+ u y7 [; y
- Bullet_Direction_Left_Down:: j |: m+ O, b4 J8 n
- LDA #$25# i- M& ~5 B* }' u1 i6 D3 O
- STA Bullet_Icon,X( f& o6 O1 w4 c9 G) e
- LDA #$40% {& ?& |& C2 O$ p9 n! l: l
- STA Bullet_Direction,X
j3 W/ B3 B/ i; { - RTS
8 ^. G1 j7 d7 m6 m I% r/ S - . H& ~" Y: ~9 n' t. Q" \" j6 E
- Bullet_Direction_Right_Top:3 R2 W9 b3 {) g( p6 ^
- LDA #$25; r0 T8 M, O! e6 T
- STA Bullet_Icon,X" }! b! S/ L! m' _; S
- LDA #$803 d/ \: l% [0 E9 w/ G; ~% a1 ]
- STA Bullet_Direction,X
( T4 v. K( y! i: \6 o. e" H6 N - RTS
9 s3 G$ ] W3 C. F/ n- ~) U! z - : U2 P; {) X+ k
- Bullet_Direction_Right_Down:4 d$ `, T7 N% U$ J
- LDA #$25! D1 ?! y5 p7 G7 p- w
- STA Bullet_Icon,X) `/ r5 m3 |6 j% G; A
- LDA #$00
( K3 F0 V" J- Y8 M9 t6 B9 t" L - STA Bullet_Direction,X
5 O6 B3 _/ C, i( w. V, e - RTS
$ M5 t2 t; L& T2 W9 ]' I5 _
2 \' }0 V! R; x6 c# g- Bullet_Direction_H:2 D" S3 }. h% m W: }
- LDA #$24
- u' Z2 o! f+ X* ?! w9 w! w- e - STA Bullet_Icon,X
% G4 F( h" _8 k2 p1 Q S - LDA #$00
' x) W. v/ p8 a% M' b2 Y; j8 z9 Q$ ^ - STA Bullet_Direction,X) l4 Z2 g& ^" \4 D
- RTS, d! \* V9 N) A& F+ N) ?
- 7 b' d( Y9 H* I% e
- Bullet_Direction_V:
/ j Y$ b/ h, J5 y/ e- t& C - LDA #$23; d- A, ]! @$ ], L
- STA Bullet_Icon,X
7 D5 M- h: q3 b" F - LDA #$00
7 j) g6 Q) f$ G& ~9 M - STA Bullet_Direction,X* m5 L5 e! `+ e' k% k
- RTS
5 h$ _' s0 }( B5 o# `. g. z( e - : M9 {9 b: D; D R y: W" q
- Bullet_Speed_Data_Ex:
* J- I" ^, G- e9 V8 P# X9 j5 T1 G - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$046 U% O; U! B7 D# C( i! J j. x
- . M" e l+ H1 w4 @' C4 t: l
- Bullet_Speed_Data_Ex_R:
; u2 @ w1 u8 {5 Q* F - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08% O9 Y" h1 i, I. N$ C
-
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