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[FC][魂斗罗][J][追踪弹]
$ _( Q5 Z! O( s+ c; z, e, ?, J* P) v4 {8 j: _
时间:2023.04.30
5 W1 h+ `# n8 C5 u! t' Y+ d作者:FlameCyclone8 A- i) a. h# I% d
内容:7 G3 V$ c0 R! u0 {% Y
1. 所有子弹追踪敌人 t. w/ E% r; o( y
2. 选择键切换武器; H: l' U* j1 O2 m9 i$ }, O# S# i+ T
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! _/ p& R' K: A/ i( C# e+ h; v
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flamecyclone.ys168.com1 K$ |+ D% }6 x& V8 C8 k+ e
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁. w; i- i, |9 i/ j
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L- j9 X3 h" g) Z$ X
- 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)
# b- v: b5 ~2 S) \8 R1 _
# d2 P: f4 d) w4 J( U0 p' 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)6 G* S! ? @/ F, z
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上- @- o1 e2 ]( g' x# {$ ]
8 }' F6 _9 a i6 \- Track_Enemy_Index = $6000
' Z2 [% c1 j8 k$ q! P - Enemy_Index_Begin = $6010. d4 a) ]) w: E. u( x E
- Enemy_Index_End = $6011" o# D2 s ]9 j! W8 d! y
- ) `4 ~( i+ I; @, b. i, x9 Q2 i
- Loop_Index_I = $6012
* \8 D$ K1 A, u# j# L - Loop_Index_J = $6013% G/ _# W+ b! y
- nEnemyIndex = $6014
! [& C# w! x- O- l$ i - Data_buffer = $6015
2 U2 R+ e6 O/ k - 1 `7 {, |( _, N; t0 U! C: d
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标2 ?2 p+ M+ \, z _) J0 Z/ R9 j5 d
- Bullet_X_Pos = $03C8 ;子弹水平坐标* V- K% }8 v% d; }7 q9 N; W
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
: o# u% S% z( e# k' d - Bullet_X_Speed = $0408 ;子弹水平速度+ k: s8 i" N1 c4 Z
- Bullet_Z_Pos = $0418 ;子弹Z坐标
( T# ?, a6 |6 w - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P! E$ T; H* o, B) o6 [3 Z- m
6 d9 U1 j) q, e8 }9 h- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸' |$ C8 L5 ~# \
- Enemy_Blood = $0598 ;敌人血量/ D+ W: G, l+ m9 ~& x
- Enemy_Type_Addr = $0528 ;敌人类型 w0 v! P! W/ }8 i" N
- Enemy_Blood_Addr = $0578 ;敌人血量, g3 ~+ S3 ~# e3 e7 R1 }
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
( N0 w3 g. v! A; o) c - Enemy_X_Pos = $033E ;敌人水平坐标
% G2 `" B" k$ z: N - Enemy_Y_Speed = $04E8 ;敌人垂直速度
7 T8 d0 x4 \& f. T1 c7 } - 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- s/ A1 C1 t* N& G; e: H! b
$ C+ w# {$ O9 O" I( V5 m! s- Enemy_Index = $83 ;9 o. L! Z; H- r
- Time_Count = $1A6 \* m4 ?$ _ n) T7 F; J
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
. U2 g+ Q C/ w# s+ f- c" e - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率, J9 R3 L" {7 h, [1 h! k5 i7 U
. I' O$ u/ ]# n- : P. Y$ N C: o2 I
- .ORG $6100; t$ H9 i; w+ r9 q- g5 ]# Q# n3 b
- Process_Begin:8 M4 m4 g# L* P% g$ ?5 i U
- JSR Enemy_Check
0 m G# [4 t" K0 p9 G+ T9 [ - JSR Track_Enemy_Check
# D+ f; `' ? e$ a - Process_End:
5 R) P, ^% g6 n4 ~) [ - JMP $E54F
8 ~& J/ b+ r9 v! B - ! O/ \! u7 ^, p5 C5 r1 |
- Enemy_Check:
, r4 o3 H2 {2 z2 J5 P - LDA Time_Count( D, g3 F* j1 v: U, ]
- AND #Track_Bullet_Speed
4 B$ j1 Z6 c* n' j/ @! T - CMP #Track_Bullet_Speed2 B& D; L$ P1 K- i& s1 X F
- BNE Enemy_Check_End/ u- X. q7 @! P1 C! L
- LDX #$0F0 ?7 S7 }! L& j! k# y1 x- F
- Enemy_Check_Begin:
$ ]& r9 k1 ~! m- J: g - LDA Enemy_State,X; ~& ^! g) F$ `2 w( U2 Y; \
- BEQ Enemy_Check_Continue
' L# H+ Q4 J( j& F& }$ ^1 N, w - STX Enemy_Index. K" C5 n3 |0 E4 ~1 r" R( I
- JSR Find_Begin_Enemy
1 z4 A9 d4 j6 p, d - JSR Find_End_Enemy% a5 A; }' ~& M4 L
- JSR Bullet_Track
* c" A _/ H$ e# l- m- y6 d i -
c3 V5 t P1 U - LDX Enemy_Index
- H4 G V* |! Y4 F2 H, X - Enemy_Check_Continue:0 l/ r6 M. r( y( I" L( a
- DEX1 R$ y3 e3 D) Q9 u/ M
- BPL Enemy_Check_Begin
! p) P' S7 B \2 N8 O. |) D$ N, J/ H - Enemy_Check_End:0 E$ X/ o( Y: @ g
- RTS
4 [) a! q7 S( h) |, L3 q - 0 L: w1 k3 [- A% N( ^. g" S; I
- Track_Enemy_Check:" V4 S9 K9 Z h' Y& n) X
- LDA Time_Count, I9 P Z. W. ?) Y) B. u: a
- AND #Track_Enemy_Speed3 w1 K' J+ [. y: [
- CMP #Track_Enemy_Speed
( m$ P+ L0 P r5 F# W5 o# O, K - BNE Track_Enemy_Check_End
5 h1 f8 ?4 b! M* B8 \% A - LDX #$0F) I& m& W* `/ w; ~* p, Q2 v
- Track_Enemy_Check_Begin:
! x! P4 I" k/ |0 @5 E5 P$ w& n - LDA Enemy_State,X
* R' \2 A) E. x - BEQ Track_Enemy_Check_Continue
# t, n/ H1 J9 o0 h/ C - STX Enemy_Index
6 g6 ^2 s* W1 m9 ] - 8 g# W/ [; d* M3 V% o3 r8 X3 s" X
- LDA $40/ G# O* y1 ?! S) j/ h
- LSR
6 d$ r# s. |# d! d - BCC Track_Enemy_Check_Begin_L1% \- E1 G U2 c
- 0 O2 a9 ]0 w1 o' Y4 X% ]! Z
- JSR Track_Enemy_Ex ;2, 4
5 ?5 P5 F: F; [8 e5 T - LDA #$00
* S0 M2 @3 a- s* v$ P d - BEQ Track_Enemy_Check_Begin_L2
8 H! a3 p9 j' p6 j( X+ s - ) H1 `, U9 V5 k2 s5 w$ n5 z4 H
- Track_Enemy_Check_Begin_L1:
& p) X5 o% E8 |$ K3 G# U - $ j# ^' f* j: c
- JSR Track_Enemy9 s S k9 K+ J% b
- 0 Z3 B4 H. g1 `& x# O
- Track_Enemy_Check_Begin_L2:
- C* N, s; f: q0 M' _ - ' D0 C4 L) f, g n2 O
- LDX Enemy_Index* |0 U+ Y2 e# }& C' m" L1 K0 Q
- Track_Enemy_Check_Continue:
! l p% J- s. x8 [ - DEX) n% L2 G. U: q5 Q+ k3 I3 K
- BPL Track_Enemy_Check_Begin
$ `$ ~( a i8 E - Track_Enemy_Check_End:* T& S3 e2 Q6 K" g# Z; m
- RTS8 c" f% N7 @' A3 T: f+ ^
. {" L" N0 o% [1 J! \$ G
% V3 i, ]# T" |3 b7 I- ;查找第一个敌人
9 u# N) F" q- A) o% n- g9 q! s" T$ r - Find_Begin_Enemy:
/ i( i, D! Q# N, S5 B* d - LDX #$00* H+ r3 i( ]8 b/ p% s
- Find_Begin_Enemy_Check:
. [# i, M) E; r% q) X - LDA Enemy_State,X) p, |) h( T1 u: ^ @
- BEQ Find_Begin_Enemy_Check_Continue- \6 x' b1 {; O* z3 z! n$ C( Q
- LDA Enemy_Blood,X8 f! V+ y5 T; @6 ~3 I+ n2 `
- BMI Find_Begin_Enemy_Check_Continue
, ]! D6 ^. d9 d+ E# u - BNE Find_Begin_Enemy_End; w$ T) I1 g, n. f }, M
- 6 Y- ^3 a9 P' A
- Find_Begin_Enemy_Check_Continue:
& T8 {' g: C& \ - INX7 D6 V! }" S9 C' K- @
- CPX #$10
7 s, @* A" b' t/ u3 B* }; X% Z5 b - BCC Find_Begin_Enemy_Check
$ g$ r0 ~. \1 u3 H; D - Find_Begin_Enemy_End:
+ Z3 }$ p. O# \6 ~$ ` - STX Enemy_Index_Begin9 L o& `) @5 a) Y1 q8 U6 j
- RTS
8 w0 W; p: [+ b3 Y5 U, N7 L - : L; T2 D! V: _' B: [, X
- ;查找最后一个敌人1 E+ {: b5 O& e. \8 e3 @7 A
- Find_End_Enemy:
" k7 c4 G! ]" K y% K - LDX #$0F
% g5 T5 H. z5 T- y+ B2 x, F# }1 h& p - Find_End_Enemy_Check:+ o; L; A) P" d* r3 H4 r
- LDA Enemy_State,X
8 {6 }0 S$ s6 l: a6 l/ T# J - BEQ Find_End_Enemy_Check_Continue& s- ]9 }3 P$ n. `0 R
- LDA Enemy_Blood,X1 v; _( f+ {- C6 F9 T& }
- BMI Find_End_Enemy_Check_Continue$ C5 j. b, ? ~
- BNE Find_End_Enemy_End( k1 [$ i6 A& w1 I g$ R
-
" s8 l6 m5 X; W5 {; u* ], U# s/ b+ U - Find_End_Enemy_Check_Continue:" H2 I1 a7 q, C" c8 a
- DEX% g4 W- h' k) a& e
- BPL Find_End_Enemy_Check) Z ~) n8 K* y% [. x
- Find_End_Enemy_End:
1 F, M) M4 b& b' E! Y - STX Enemy_Index_End
: ~& x a$ N n1 ~ - RTS5 \2 Z. s9 v/ X1 `4 C1 N& I
- $ x2 M9 S; W1 B
- ;子弹追踪
~4 P+ V0 }. P! K6 Q7 F! G7 { - Bullet_Track:# M5 U2 d: I2 L* b
- LDA Enemy_Index_Begin" {5 P2 `4 x) c0 e6 _
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
8 e: a2 n: f5 r4 w - LDX #$00 7 I- {( B$ q& M! h9 P! o, N9 @
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
* Q" ^0 M9 Z, ^) \/ A( F2 I - LDA Bullet_State,X
- v8 L) ?" ]: Y# `- B4 o - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
0 a. A1 a; U5 k3 [) w: \ - STX Loop_Index_I+ _8 t5 X! d: @$ }5 ~! M+ k
-
4 ]( ?6 Z, @5 W9 \, |( g5 T - JSR Bullet_Track_Enemy1 w5 V9 A4 b) U( `7 M
- JSR Bullet_Tract_Direction
! W# V2 I: U v9 b3 z F - 5 K3 a; l3 Y8 f% a) H
- ;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
8 U% f- a8 ^$ s9 T7 F - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
9 V' F& d6 C3 z( |3 B* w - LDA nEnemyIndex# a, q0 x- N9 `6 }" t
- CMP Enemy_Index_End! ~2 U* L# f7 ]$ J1 `
- BEQ Bullet_Track_Check_Continue
) Z* Z6 z1 H9 Y" R6 d - BCC Bullet_Track_Check_Continue
! U# A2 l+ |4 i, P0 t' ~, g - LDA Enemy_Index_Begin
" `3 Q: _ o& \5 b - STA nEnemyIndex4 W5 Z+ R; I1 _! Y
- : N* [' N9 y+ c9 F
- Bullet_Track_Check_Continue:7 I4 e% n2 y9 a8 W6 } R6 K
- LDX Loop_Index_I
9 W- H- y* l3 w% M( Q+ K' _( a - Bullet_Track_Check_End:8 F( E0 v) U5 m$ M- ~
- INX
' a$ q8 R# e/ G; a' k - CPX #$10
8 x+ h. `- d( c% j, [7 t' w - BCC Bullet_Track_Check: R9 U" i* h: D/ u9 ^2 I: i
- Bullet_Track_End:5 R5 o& _: \) Q7 P5 s* O9 t1 ~
- RTS
" V' c9 \: Y* Z8 q -
; ~8 M* S, o. E( u - ;给敌人分配子弹
8 h4 r# R3 ?5 W# Z, @$ ^ - Bullet_Track_Enemy:
- G5 r( q) |! Q" I - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)/ Z1 P' n2 ~) u2 y5 i% E
- Bullet_Track_Enemy_Check:
' F. ?- `% D) W/ s6 O - STX Loop_Index_J5 Y# m( d- d6 t5 J! C+ z4 d) q
-
0 F% [; e' R2 g0 e! B; g% h - ;if (0 != nEnemy[j] && -1 == nTrack[i]). A9 K9 B& W4 y1 ?
- LDA Enemy_State,X
4 j' a1 A! \/ M: @2 x - BEQ Bullet_Track_Enemy_Check_Continue
0 v# x/ H5 R1 f7 H# j - LDA Enemy_Blood,X+ y; e* Y7 \" r) N. Z
- BMI Bullet_Track_Enemy_Check_Continue
1 q+ \+ q3 J" V) V: R- t1 W - % j' ]' h4 L6 Y# U' G
- LDX Loop_Index_I# y ~; S5 N% w( X+ {/ `% C) L" e
- LDA Track_Enemy_Index,X
, F- R; h6 \* l1 l6 k$ |0 t# S - CMP #$FF5 {( P& E# m2 c3 j
- BEQ Bullet_Track_Enemy_Init
; P, d D& R9 j y$ h - 6 V9 N, @) Z$ l. P* U0 [
- Bullet_Track_Enemy_Init:
1 X% l0 | B* }, k2 ` s - LDA Loop_Index_J1 M A. J& U+ c( q9 V7 d' r
- STA Track_Enemy_Index,X ;nTrack[i] = j;
8 @. H" u2 C; H. }2 {; m- G# r- _ - & f( P7 P: t7 v$ P+ ^0 V
- STA nEnemyIndex: Q8 C1 ?/ ~5 j3 H
- INC nEnemyIndex ;nEnemyIndex = j + 1;) W+ L5 c$ o9 r( h9 b. r: j6 }
- RTS ;break;
$ C3 |' C# r h7 p9 ]( h - ! |6 v$ e5 f7 `& _+ z, D
- Bullet_Track_Enemy_Check_Continue:# ` @9 N! u. S
- LDX Loop_Index_J) k4 D1 b5 N! I' C
- INX ;j++
3 m) u7 D- ~$ ^* d4 e# Z5 R - CPX Enemy_Index_End
+ X- E1 x# Q, r. G: Q - BEQ Bullet_Track_Enemy_Check
' F# L7 m$ ?- P! k) |; C0 x - BCC Bullet_Track_Enemy_Check
+ e- z* Z' @* U) M% x" T! Q* t - Bullet_Track_Enemy_End:, U3 {5 e4 e0 p* R4 {( y0 q# F
- RTS
- G7 R% C2 e8 i/ ?/ i - ( _, w- v3 g$ p+ I8 p8 e- R
- Track_Enemy:
8 F R% u) R7 V+ z6 R' U - LDX #$0F3 f+ ^- u; c% \# t# C" W
- Track_Enemy_Begin:( b. |0 @& r/ L" F
- LDA Bullet_Icon,X! P/ d6 s/ X3 J, H8 O2 q% t
- BEQ Track_Enemy_Continue6 y V$ E+ J& t3 z* c+ I- ~( I: D
- LDA Bullet_State,X
9 j" v( B+ x; f8 u - CMP #$01: t( l' K2 y6 \5 i
- BNE Track_Enemy_Continue2 r9 p, W; G# M: E C1 X
-
' ?; C5 y* B8 b9 ?* z r) m - JSR Track_Enemy_Process( Q* I3 O* [; [3 S7 |
- , X/ z2 K( y+ z
- Track_Enemy_Continue:
$ z4 S' Q: k* J0 a - DEX/ G% f- w5 Q# V4 j4 n
- BPL Track_Enemy_Begin
8 u" N* [3 S/ b* x - RTS1 ?& i" Z; [# e7 f
- : R6 f3 ?! t( O& x+ [" O
- ;普通关卡$ P7 r6 f4 A7 d; x2 H- [
- Track_Enemy_Process:
% u9 e" q& P# A, n2 C' Z' c' x - LDA Track_Enemy_Index,X. P" O$ K$ F0 I+ S: w
- CMP Enemy_Index
. D+ I$ F, _* S4 l1 w - BNE Track_Enemy_End
l2 n4 p8 g3 |: R+ O - LDY Enemy_Index
9 e3 t8 @' I) A" { e; R i - JSR Track_Enemy_Y
: Y+ @& V( ~6 N$ } - LDY Enemy_Index
5 n" |( c) y3 p# r7 u - JSR Track_Enemy_X
; D# _1 K( g/ h U: \1 _ - Track_Enemy_End:
2 V2 x; e3 c0 o6 X" J% C, V9 g - RTS- R2 n& f7 \: E! M/ b
-
: W, N- _% h' f! {# e0 @5 U. c - Track_Enemy_Y:* \6 S! q; B: t8 T
- SEC; w, S8 q7 P6 S) Q
- LDA Bullet_Y_Pos,X
& |- h0 Y! M! n# r2 I" n* ^ a3 a - SBC Enemy_Y_Pos,Y) Q) \8 b+ A3 G" E4 o
- BEQ Track_Enemy_Y_Equal6 h& V2 i0 n. s, e' K
- BCS Track_Enemy_Y_Greater' Y7 t1 B: x8 ]& w' X
-
. W7 d; }" R0 Z! `' d - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
. Q5 U. z6 ^' g) u5 [ - CMP #$FC! ]- S; U4 P* [" t
- BCC L1_1# q& v; N" q! {7 \ j
- CMP #$FE
4 i. B( ]4 ~6 ^- O0 ? - BCC L1_2
: z4 s: b- C/ X2 H( o, o - LDA #$00+ v9 G1 W+ g1 S' X
- STA Bullet_Y_Speed,X+ s5 o9 @$ g. v) j3 @
- RTS1 i4 W8 l9 h% N' L6 v9 ?
- L1_1: % n. Y% O. R" {) O9 U
- LDA Bullet_Type,X- I H5 r) s+ m! I. T4 f; U
- AND #$0F
, k* v% }. |. ] - TAY/ f: u/ P8 E% @
- LDA Bullet_Speed_Data,Y
8 S/ X H/ F* P1 j" [% F - STA Bullet_Y_Speed,X! u+ }) O P8 ^$ M1 Q% ^
- RTS
% k0 |$ B) A. B4 C7 i8 M- H8 }; ^( o( ^ - $ W5 O" e) Q6 l6 I4 t7 H
- L1_2: `1 `/ z9 t+ [3 q5 S
- STA Data_buffer
( f7 L+ a: G, C, P% I9 @/ j/ \ - LDA #$00
4 w. n$ d8 {- m0 l0 A; M. D" H. K - STA Data_buffer4 y/ [# n8 K/ f- s& u
- LSR( l5 v5 l) q$ M- C+ S; p Z0 s( U
- STA Bullet_Y_Speed,X
- A4 i9 ?- a: u - RTS6 S9 ?( `, [) M+ u- h, z+ O6 Z
( J+ V$ c/ ?6 y Y- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y, M" X0 n0 j. U0 @
- CMP #$04( Z2 u0 O- ^& W: w' u& p, `, i
- BCS L2_11 j' y* S" L+ s( O
- CMP #$04% x8 G( a/ T. S% ]4 X! O( P# w, j* K
- BCS L2_2* e# t a% E3 o+ Q; O5 e9 |
- LDA #$00 _6 |" G' [/ Y T3 w
- STA Bullet_Y_Speed,X
$ B% X% Y( Q# s8 {0 K" }# ?! _ - RTS' c8 E: O- V3 V, @
-
# n) H+ x$ N% L; @0 c7 G% r - L2_1:
. g5 l, v' q9 K& N, D" } - LDA Bullet_Type,X
$ G7 e3 Y5 X! e+ Q7 r+ F+ b - AND #$0F
3 r6 `6 a7 n# i1 O4 J0 d( f" T - TAY
! R$ o; q3 M' R$ u& t/ l" e# i - LDA #$006 L+ M7 j) i1 i
- SBC Bullet_Speed_Data,Y: m, O: S$ N0 o! J$ Z& Q
- STA Bullet_Y_Speed,X- U4 V! o9 Y" [/ R. N! ^
- RTS
& B7 w+ V& ~& [' o! Y- `9 X - ! g5 x) V+ _. ]* R' t' e8 L6 L
- L2_2:0 G1 f" G1 O4 f" e0 @7 E: `' A Z; f
- LSR
) w6 {' t! {) m. G! ?$ f - STA Data_buffer
& q, }" P6 M" z$ l: W. P) g5 c- { - LDA #$00: v; H Y3 @4 R2 Q- }
- SBC Data_buffer& J" \1 X m6 {8 I1 ~2 `7 P' z
- STA Bullet_Y_Speed,X
% U' o9 l- S$ [& S# C i- S - RTS
& V5 B: f, F( o* G - / O0 y0 \7 @/ ]) I$ x8 z6 l' u* H
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
9 U! {. F5 h+ y) T - LDA #$00
: y' L. @! {( c, f2 X - STA Bullet_Y_Speed,X
5 Z. u) {0 C" e7 e8 y - RTS
) \) `$ c) ?( ~2 h -
7 F7 W) V; E9 G9 C - Track_Enemy_X:
/ b C- z, ]% Z - SEC
3 g8 F! V7 h3 M0 o: t% b - LDA Bullet_X_Pos,X
% w% V. m1 g. w9 v; ~ - SBC Enemy_X_Pos,Y- d( C" L' l; V) S5 Z% j h
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X$ G* t8 y0 B; _4 B; f; S
- BCS Track_Enemy_X_Greater ;子弹在敌人下方3 C' k X! M. B% g
- 9 T8 H7 G) Y1 t/ f/ w$ O6 Z1 ?+ w
- Track_Enemy_X_Less: ;子弹X < 敌人X
4 U7 U% g: O6 m3 h- l l - CMP #$FC/ K' r7 a4 @; X
- BCC L3_1
0 ^: Z: g1 @1 u& s- a - CMP #$FE/ v+ k$ E' V" ]
- BCC L3_2) g/ i# V' \2 ]3 y, d
- LDA #$00
, i5 O$ s- J# c8 @" c7 s6 v - STA Bullet_X_Speed,X8 q- u W7 H$ H* r$ e
- RTS5 L0 ?; y1 B% g8 y) c6 {$ G# I$ D' ^
- L3_1: 3 ]3 K1 a8 A6 Q) t
- LDA Bullet_Type,X: z1 {( m& w. m, r9 J
- AND #$0F1 \( T5 c7 p8 q) p$ I9 c- d
- TAY& j* M4 k$ W# b [: O" f4 S4 V2 b
- LDA Bullet_Speed_Data,Y$ R& n6 G- |1 Y
- STA Bullet_X_Speed,X
: H! @( P9 J' H8 d. A - RTS
# T4 Z" x; N8 X - L3_2: $ w5 b+ b8 I% X: x
- STA Data_buffer8 {( `3 ~; u! _' T0 B3 P+ X
- LDA #$00
! E! l. @0 w5 g, I8 ^' r. n - STA Data_buffer
; T+ ]8 V. Y# R5 y - LSR: d' z# F& f( _5 l: A
- STA Bullet_X_Speed,X! X3 p9 s0 G- ]9 S6 B
- RTS
) V! i0 T* S, N( P: b - ) W m# n# \9 A) h. W' {
- Track_Enemy_X_Greater: ;子弹X > 敌人X
. s' J) G: b/ ]5 q6 s5 @0 ]0 M. `8 F/ ^ - CMP #$04
# i' x, A8 H$ v# p8 r; s - BCS L4_1
0 R; }) l1 K$ N) Z! U - CMP #$02
: [! j4 |; r+ @+ `0 A - BCS L4_2- C* C1 b/ |% Y* x1 F1 n- a
- LDA #$008 v# ^; Y- w# C* I* L7 Y
- STA Bullet_X_Speed,X. m1 v% H# \5 [: n) [: B
- RTS
% A/ `8 y7 Q' E -
3 g+ ]% s9 F+ p+ x - L4_1:
- [# |5 V- Q3 U3 t3 Z) U: H5 k - LDA Bullet_Type,X
f6 J5 P; ~' ?- u7 J# k - AND #$0F0 Q+ ^) N4 w* \1 F% j
- TAY
4 v$ R( }$ n" j3 ~ - LDA #$00
g: E" x* z c3 u# p: P, e1 T2 { - SBC Bullet_Speed_Data,Y; ^( n1 N ~1 B2 i( y" i+ M
- STA Bullet_X_Speed,X" g& q! b1 k6 p8 X1 f
- RTS& L7 G$ ?: `3 P8 R
- L4_2:
1 b; b1 z7 |4 ] U4 }$ i. w - LSR
2 P+ _, Z g8 m% a - STA Data_buffer( a/ U. X! I3 J3 Z6 B0 [) K0 B
- LDA #$009 i5 O9 U* w( A& ~
- SBC Data_buffer
2 w1 P& B/ w+ L' S8 }& }; x - STA Bullet_X_Speed,X
+ O" m$ y2 i" b) f$ u- Z) c% w - RTS
6 {) r- t- x9 R - " c# H+ x/ M4 d
- Track_Enemy_X_Equal: ;子弹X == 敌人X
3 Z9 }7 ~6 q: L+ ^7 O8 k - LDA #$00- u5 U6 ]( ?; E
- STA Bullet_X_Speed,X
6 I7 |: |$ z% |. w" a - RTS
1 J; R) A2 C O2 j i/ ] -
' a! N8 t, W* _. E! m - Bullet_Speed_Data:/ E4 f) B3 a0 w/ L9 \: h4 k5 g6 Z
- .DB $00,$03,$03,$02,$03,$03
# o5 a5 O8 r. b7 K - 8 m ?1 c3 @8 ]* w+ I
- ;2, 4关" m9 e4 n. ~* w; y
- Track_Enemy_Ex:
+ S7 O$ |4 O8 Z4 B1 ]3 B& w - LDX #$0F
4 E6 G1 r1 r: h$ `6 I - Track_Enemy_Ex_Begin:% Z2 a5 p; x7 |& X& b
2 A- }2 n( {1 {- LDA Bullet_State,X
! S/ o' d \" T$ | b+ F. } - CMP #$01
$ o; O1 m0 a/ H6 |$ n- l. | - BNE Track_Enemy_Ex_Continue& |+ d1 u/ u& i& ~" e) j
- - E7 q" E3 v+ z! R+ q! n4 K2 c
- LDA Track_Enemy_Index,X% v$ J9 j- m; i$ F G9 K3 y
- CMP Enemy_Index
9 e; ]3 @2 R/ o0 ]4 P, ]! n - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
1 G7 l6 _1 ~, t; n9 o8 ` - 6 k. {3 p8 W, r1 ~1 n9 i& I) F9 U
- LDY Enemy_Index
1 H* B0 b2 ~* w- ? - JSR Track_Enemy_Ex_X
& E. @+ P$ q3 h -
4 {1 p7 M9 y( y1 o" j - Track_Enemy_Ex_Continue:
$ M+ R: |) r0 c - DEX- u t- h. R1 h# n" |
- BPL Track_Enemy_Ex_Begin
$ v/ Z0 O" Z) x l( @: g - Track_Enemy_Ex_End:
V! Q. ^ G- N) x' C - RTS
7 W+ e: d# k; g1 a( j" F4 k -
2 R. `+ \$ t+ y u. v - Track_Enemy_Ex_X:
- O, E& J* F& v9 m( ^: v - ;LDA Bullet_Z_Pos,X" j6 C$ U* h3 {8 b0 d
- ;CMP #$04# }. g3 x. g; p }! T+ A
- ;BCC Track_Enemy_Ex_X_End7 I1 j9 H# c, J* l; Q
- SEC6 F( i- p* f# V. Y
- LDA Bullet_X_Pos,X8 z4 N* z! P1 b& H) m% A
- SBC Enemy_X_Pos,Y" Y4 i7 j7 K3 ~9 C
- BCS Track_Enemy_Ex_X_Greater
4 _( Y# _! m; H* e! a# ^ - ( T4 d- ^) a1 `. H2 U: w! O
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X% l2 k% Y2 Y/ F
- CMP #$FD
) n3 `1 r. h$ D& l9 W - BCS Track_Enemy_Ex_X_Less_End
4 g4 y, ?5 a5 _ - LDA $6020,X
- D& X6 }. f; |/ ]' a/ `# [0 C+ d- j - CMP #$2A
7 I) _7 B) y) w2 P - BEQ Track_Enemy_Ex_X_Less_L1$ T/ F4 u! Z' Q+ l5 l! [) W1 n2 {
- LDA Bullet_Z_Pos,X- c; |2 |" k& |2 j9 m
- LSR1 Q+ K# N9 _, x5 [3 h) v$ R
- TAY
2 w2 C( {/ D9 P3 E. X1 Q - LDA Bullet_Speed_Data_Ex_R,Y. v2 z, j/ r1 u8 K& f% N
- STA Bullet_X_Speed,X$ g: E L9 [& X
- RTS
7 x# m& `% _7 S - Track_Enemy_Ex_X_Less_L1:1 l6 z( F; F/ `) o/ `$ Q* q
- - e7 t& Y' c2 a; e
- LDA Bullet_Z_Pos,X
$ W$ c' L3 g: U" z - LSR
! u7 f7 R$ N) S2 E7 r; i% |: ^! N - LSR
$ |+ t% F3 [' L/ k. [- ?8 ]3 d - TAY
9 {& Q3 t: q0 s; l - LDA Bullet_Speed_Data_Ex,Y
0 {' _" }+ ?7 v( Z% Y& w# f - STA Bullet_X_Speed,X
- `2 H. k Q" \ - RTS: w* c" Q* Y- |
-
$ |) s8 ?3 R9 j8 ^5 b4 N - Track_Enemy_Ex_X_Less_End:4 @+ `) A( a. T7 c3 ~! ^7 n$ c
- RTS
9 o8 }7 x0 p6 H; `) a - 1 t v" Z- R6 d
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
+ O5 ^8 k& @- U - CMP #$03
. `5 H' f- C7 S* t - BCC Track_Enemy_Ex_X_End
( i. @: `, N% z: ]( t' G- d - LDA $6020,X. Q7 g% `- g! z. j. r, _
- CMP #$2A
3 a A- `" `, Q - BEQ Track_Enemy_Ex_X_Greater_L1/ i: x0 d$ k H: J' l$ T9 n9 ]
- LDA Bullet_Z_Pos,X
: F" x9 A, p/ _! c - LSR
8 [; G( E2 U) ]) o - TAY/ X( A9 E- d1 V- G! @
- LDA #$00
- ?$ O. C8 z- _' ~ - SEC
$ M) Y6 L' I; c" L. U* n - SBC Bullet_Speed_Data_Ex_R,Y% [+ l; K- i7 H* ?- S& `0 T3 J
- STA Bullet_X_Speed,X
( W6 _. Q6 B$ H. Y- J0 \4 E - RTS
. j% G3 b4 @- r" ?/ K$ Z, |+ r1 W - 0 X4 k4 A$ M) ?5 H. f
- Track_Enemy_Ex_X_Greater_L1
, @0 w+ u, J9 q7 \: @' c - LDA Bullet_Z_Pos,X% j& c5 U- Y, L8 G; u" F" \, T
- LSR( Y( G b, x) M" u6 R: c
- LSR" ~5 q0 v! l3 J, x `
- TAY
! L0 E! H* Y( q8 E( a+ P - LDA #$00
8 f5 k8 Y. V7 c# s' s2 f( l0 h6 H - SEC) P( Z" \$ a+ i9 E
- SBC Bullet_Speed_Data_Ex,Y) A( [' b1 a. L" ~9 C
- STA Bullet_X_Speed,X
' y! A/ U% A% S5 z" Z& p4 q - RTS
, }1 W v& u3 W' O/ a8 B -
. `2 {4 T7 S* W2 ~/ { - Track_Enemy_Ex_X_End:5 ]6 U* ?, x/ o: q! r7 j
- RTS
# [ I, U8 n# H: O. H% v7 W, ?# i - ! M5 A2 L- a0 H* i
- ;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)
0 r6 I# ~0 r0 }" W3 [4 P' f/ A+ j3 t - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上) k; w5 o' {- |) m5 w$ Z7 K
- Bullet_Tract_Direction: _) M9 j6 z4 G! s( S4 b' x, p
- LDA Bullet_Icon,X+ h0 e% Q8 p% t5 ^6 Y
- CMP #$23; h. j3 X7 H8 |' ?' N% _7 C( Y
- BCC Bullet_Tract_Direction_End6 j. i( y) p0 Y
-
, v$ R& I2 E# B3 }2 ]/ E3 g4 } - ; X != 0
: \& u% A. i1 H - LDA Bullet_X_Speed,X( X0 I0 M% ` H& C
- BEQ Bullet_Direction_V3 j0 F" {! @& N6 ~; z1 a
- I* ?5 V9 ]# \1 A9 T" h3 G& z
- LDA Bullet_Y_Speed,X
8 I' y. O5 y9 n* ^: q5 |, X - BEQ Bullet_Direction_H7 k2 e( t# V# e4 C- x' q
- " G% S! f7 z( {! ~
- LDA Bullet_X_Speed,X+ B: o+ q5 a4 D$ _5 R$ @9 X
- BPL Bullet_Tract_Direction_Right
0 |* v, f' X7 r2 h& A3 o1 M- f - Bullet_Tract_Direction_Left:; }. y- o' N! M/ y( F
- LDA Bullet_Y_Speed,X
: L) u2 V( [2 f3 u& F/ K - BMI Bullet_Direction_Left_Top
" Q/ _& }9 m% l5 G4 q, V+ t - BPL Bullet_Direction_Left_Down3 r4 l+ b# @' f( W% _
- Bullet_Tract_Direction_Right:5 Q" C, Q* i m \* T- @
- LDA Bullet_Y_Speed,X0 e6 {- K6 e7 `% S
- BMI Bullet_Direction_Right_Top
3 C. T; Z3 v/ u, R F4 \: Q - BPL Bullet_Direction_Right_Down
* K# R. q5 ?, q - Bullet_Tract_Direction_End:( O+ J7 _+ z b0 E, Z, V
- RTS$ E' @# n. \- y4 v4 p
1 R0 ^1 |" @. X. V) ?6 A; ~9 t! Z0 h- Bullet_Direction_Left_Top:$ @0 Q: u4 O8 ]! C! a4 V
- LDA #$25
$ w/ A. @) g+ I' a: s! \9 Y - STA Bullet_Icon,X6 V8 Y% e, _5 w" z4 A; g& R7 @
- LDA #$C0' C8 L; P. S {2 i- I( r
- STA Bullet_Direction,X
& U2 z$ ^7 S/ s: E! c3 r" V* b - RTS
* g( @4 B0 Y2 y( c/ ]" h
6 n3 c3 |% K, k) Q1 I. d; Y }4 F! x- Bullet_Direction_Left_Down:9 V* T6 C; h+ S2 L
- LDA #$25
! p# @+ C$ \. e - STA Bullet_Icon,X
# N& V9 J: H4 E - LDA #$40/ D6 E+ h1 Q, @6 m$ B! U
- STA Bullet_Direction,X
" U" @6 I" [7 {* J2 W+ t& F7 P* B4 Q - RTS4 X4 j5 L8 \' c0 `7 f4 i, Q$ G
( B! e) a, o0 f4 ~: V. F/ @- Bullet_Direction_Right_Top:" I) v& S0 N) A1 T6 R1 q
- LDA #$25
& O& W1 D6 v7 Z K7 ~ - STA Bullet_Icon,X7 Z/ T, V& y$ j `1 e
- LDA #$80) [/ l" ~1 m# e v4 I3 b
- STA Bullet_Direction,X/ t$ f1 H! O; ~/ h$ Y/ @8 i
- RTS4 l" t! A' k3 s& }; I# k( S
; o4 v/ T5 f' _' a+ k- Bullet_Direction_Right_Down:. V5 c0 U' c) P/ ]) X
- LDA #$252 h" L0 ~6 } Z$ d2 G" g3 l
- STA Bullet_Icon,X" q+ p% C9 R* O0 X7 [
- LDA #$00
! ~2 a+ c" z. P3 t7 u - STA Bullet_Direction,X. {2 K" R% S" R# a
- RTS
* @7 R7 f- Y* d: V( ^5 _1 ]$ d% Z/ C
0 ]5 Q" o8 t0 I( F. v- Q- Bullet_Direction_H:
3 `# Y) }( u0 o8 N d$ r - LDA #$24
v1 p1 C* |9 @: C - STA Bullet_Icon,X
$ F$ h4 b! e1 T6 j - LDA #$00
0 B' n# o& L) T; o9 t& ] - STA Bullet_Direction,X
! P2 X5 o6 e. P; }' u E - RTS
: f0 y R# L: C) }* i7 J - 4 g9 B* k7 P0 k' }
- Bullet_Direction_V:
4 J3 C) I9 ]( ~5 } `8 n, q - LDA #$23
$ w _9 U9 P1 R9 g& M - STA Bullet_Icon,X2 X6 s# O/ v0 b8 f8 ]1 O: U% b
- LDA #$00. {+ ?+ @2 [% E( C- _2 B; T
- STA Bullet_Direction,X& e. j/ e/ I* C& C
- RTS, \, d1 V* a6 V" d0 ]
- : O9 D' w {! s2 M
- Bullet_Speed_Data_Ex:
/ g% d; }* C/ T. `& {* U' y* R - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04. q: ^: m& j$ e) P3 J+ \
- 3 Y) T4 X. j9 O4 D) c) V
- Bullet_Speed_Data_Ex_R:( v9 J# w# u2 m
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
( i, A% e- w5 g" V+ }, T -
复制代码 ) ]$ d# b" E8 l! h% O& T
3 H. V5 v8 p _) n: x ^ x
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