|
[FC][魂斗罗][J][追踪弹]
9 L) G. k. \5 Y! e! h+ ?& d
* ?' L+ v/ Z6 ~1 M# y* K( Q时间:2023.04.30
. i2 K" @5 s4 j2 N+ E/ Q$ n作者:FlameCyclone" b0 y) Y4 p; p; K
内容:" G' i g1 o# g- K" C1 c
1. 所有子弹追踪敌人
1 P* t$ o0 T3 L) i 2. 选择键切换武器& M: R3 R, v3 O' 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1 ~* R$ b2 H1 t
' f6 B0 }1 [! z' C$ o9 q& P
flamecyclone.ys168.com3 v i7 I8 ]7 d8 [! K5 h: f
: u4 c, ]7 G; W' k# E3 O- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
) i, S. C, t* |6 [! R5 y: g. } - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L0 G3 t. t3 k/ h. x; x. f# H/ R
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)- y& H) D% x+ @6 N$ I
- $ C2 W# u9 _+ B. y
- ;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)- Y5 S. G! O# c# ~
- Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 {2 N5 b; i* \: I
. h' X; s( y8 _% F8 o, M- Track_Enemy_Index = $60000 Z% }( X5 m5 w J
- Enemy_Index_Begin = $6010
# I# C2 G5 j0 e" v% B - Enemy_Index_End = $6011
# U- s1 W2 \ E! _5 D9 W3 A
9 x/ q" H! E# a4 ~/ ?. @' p5 u- Loop_Index_I = $6012
. y# Y) }& ~) q7 D - Loop_Index_J = $6013
/ Q1 |% k+ V3 ~8 q+ k - nEnemyIndex = $6014
) c9 `6 h: _. @, T- A - Data_buffer = $6015
8 i6 [% \2 S0 k4 A9 E5 h6 C - m+ P7 k# @* f1 @. o) h$ t
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
g6 M8 A- y/ u" s - Bullet_X_Pos = $03C8 ;子弹水平坐标
& G) b7 r7 J7 T0 l6 r* W @ - Bullet_Y_Speed = $03F8 ;子弹垂直速度
5 e# w# u- D+ l( F+ ~$ P - Bullet_X_Speed = $0408 ;子弹水平速度7 ?" z+ w% W8 C5 ~9 |/ k# d7 Q: ^# r
- Bullet_Z_Pos = $0418 ;子弹Z坐标" m, J: z8 y3 h) [& k; h
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
( x% [' G6 T2 |8 H1 X6 j! y
% ?3 l& g4 r8 g+ s$ ?5 ^9 ]- W- 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
8 \7 T6 q1 Y( T# i5 ~ - Enemy_Blood = $0598 ;敌人血量
% q0 S! d! B* e+ y) ~' x - Enemy_Type_Addr = $0528 ;敌人类型7 z6 ^* j8 ~; ^1 h' X1 C
- Enemy_Blood_Addr = $0578 ;敌人血量' d0 h, z9 ^/ |. \3 a4 l+ k7 d' B
- Enemy_Y_Pos = $0324 ;敌人垂直坐标' ]2 [8 ?% N R; H4 A- L6 _" O
- Enemy_X_Pos = $033E ;敌人水平坐标6 F9 m! G0 q* O- _
- Enemy_Y_Speed = $04E8 ;敌人垂直速度. z2 T6 M- s; \; k2 h" _
- 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 l% y/ c" Z) F& S E - ) F: D4 I/ F( i2 _
- Enemy_Index = $83 ;9 `' Z; \# P g: l- M9 c9 l8 W$ {
- Time_Count = $1A
2 v" R- y2 x) I0 S* c/ W2 _ B. [ - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率5 U7 ^8 M6 e5 A: b2 u( q
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率3 K. i: D. ^3 c
- / c( ~- b/ ?5 q7 O2 `$ T
- / Y3 N0 t, X6 y2 j+ Z
- .ORG $6100& C, I1 e, r9 D
- Process_Begin:$ X. w6 s! R4 v# I% M- w- p9 f
- JSR Enemy_Check
# n1 S( Q/ Z' G - JSR Track_Enemy_Check. c0 C3 Q$ W7 g N
- Process_End:# n; l1 p3 c' _! _- M
- JMP $E54F
& @6 n* e5 r* M5 Y( ]3 g - . m1 [ |: Z, Z' \
- Enemy_Check:
% N, O9 X0 N3 f0 A4 Q# n* Z - LDA Time_Count% |3 e' W( c0 g
- AND #Track_Bullet_Speed
1 c; a. z3 B! I! O* v# I - CMP #Track_Bullet_Speed
' {$ [6 x d0 X, | - BNE Enemy_Check_End
1 S' [3 Q1 Y9 j - LDX #$0F5 p$ u) A! i+ Z7 P; `3 M6 K
- Enemy_Check_Begin:- s1 n% ]1 E( }
- LDA Enemy_State,X# `4 [9 S4 y* A" @
- BEQ Enemy_Check_Continue& y% X0 Y4 u' x: {" Z* m
- STX Enemy_Index5 [4 Q; T$ O2 ^% W/ J" b9 [
- JSR Find_Begin_Enemy
4 _2 s9 E3 q+ e' U! u% A - JSR Find_End_Enemy) `7 W2 G+ g6 v# n, p
- JSR Bullet_Track
4 c$ h) D% f# B r0 L3 g: u - - V4 b# ^! x( a' m
- LDX Enemy_Index2 \& Z/ Q: X* f5 U0 P
- Enemy_Check_Continue:/ S9 ^6 ~( {1 I+ `& S
- DEX; p2 f# S6 w, P R/ \; c" O! [
- BPL Enemy_Check_Begin f* r# F( P7 ?, g
- Enemy_Check_End:( @) @ o. O- N0 P5 Q" r+ }1 i
- RTS
& V$ Q/ O/ Y! m' b" @* ^8 @ -
) E' p# l4 {% E9 f$ v5 f5 E- X - Track_Enemy_Check:( E( N# A$ K7 Y$ F" q2 f8 T- X( b
- LDA Time_Count
7 f# E% F. ]& ~. T - AND #Track_Enemy_Speed
7 V4 O* G5 F! c- {& F2 j0 m - CMP #Track_Enemy_Speed+ _ c0 u y; I2 k
- BNE Track_Enemy_Check_End3 m! I6 `' d: L) e
- LDX #$0F% w& X; O6 M& P
- Track_Enemy_Check_Begin:1 n! c6 }% M. M0 @. O' {% y8 [
- LDA Enemy_State,X
, a5 p+ Q- j+ ]$ ` N/ D - BEQ Track_Enemy_Check_Continue
4 W# Z" [% n$ M! I& B# p f0 T - STX Enemy_Index
8 y/ q; k4 Q" D4 v -
- e: Q; z" }$ N0 E) a' C/ f3 `1 ^ - LDA $40# W- l' W8 U3 t" Q% i
- LSR4 b/ G- n% a% ^ y: ~7 S- r
- BCC Track_Enemy_Check_Begin_L1
" l- g3 c' {' B5 ?8 k9 f - ! R6 @& A! E6 V/ w. d
- JSR Track_Enemy_Ex ;2, 4
' d, l1 C- Q3 i3 ^ - LDA #$00* y* `# _; t6 v/ G2 `8 k+ R
- BEQ Track_Enemy_Check_Begin_L2+ O1 J: E+ C: P4 n6 }
- , `7 i, m- T1 Q) y# L
- Track_Enemy_Check_Begin_L1:( O% q2 n4 J* `( v
-
- Y# m5 t( W( S* p# G4 b' }. c: t - JSR Track_Enemy
9 y5 n1 G8 N1 T6 n. A
; x4 M, M3 z7 I2 u- Track_Enemy_Check_Begin_L2:
, e0 P/ G6 I; [& h5 F0 F -
+ W. q; }; C3 C+ M3 N @2 O/ |7 Z; H - LDX Enemy_Index- e4 @& k( ?* h/ \& ], Z
- Track_Enemy_Check_Continue:; {; Q2 _0 d- p$ A
- DEX
3 k) c3 n, {7 @9 g+ M3 ~ - BPL Track_Enemy_Check_Begin
" p' ~* F3 s0 `* Q% v - Track_Enemy_Check_End:, @8 `8 j2 q f- i g) `
- RTS
. d0 a5 A2 A8 ~) C# C - ) R8 K) m& E% o. ]
# b6 p# f" k" c5 W- ;查找第一个敌人
7 q2 P: i8 V: H: K8 U8 _ - Find_Begin_Enemy:
8 Z" L. @0 C; I - LDX #$00
2 z0 ?0 n: H/ c+ ? - Find_Begin_Enemy_Check:) ~7 Y7 m# G+ U$ X
- LDA Enemy_State,X
0 b/ y2 b1 w; C! K7 a" p - BEQ Find_Begin_Enemy_Check_Continue# ~% c: D6 @$ C: \+ d5 S+ E* J- Q
- LDA Enemy_Blood,X/ _4 p0 l4 I- p' e: i: b
- BMI Find_Begin_Enemy_Check_Continue
) u$ b( v* i4 g W8 u - BNE Find_Begin_Enemy_End5 L6 `* y y0 |6 X! I
-
$ [/ p9 ?+ a+ x: w5 y - Find_Begin_Enemy_Check_Continue:
" b: H- C9 T* y/ S' D* S9 ` - INX9 ]3 }+ H/ J) M: G- ^5 A' I
- CPX #$100 |: l& m( J2 s! s
- BCC Find_Begin_Enemy_Check9 w" _. m4 a! c1 b/ B+ _
- Find_Begin_Enemy_End: }- d* Y" E% v
- STX Enemy_Index_Begin' z7 R( a" @# H0 L. O6 O- y
- RTS3 C% [* Y9 l2 y: W' q" Q" G
- 5 s% w% _# \" }) x* S5 v, p# c
- ;查找最后一个敌人, i k5 d* s) @' a
- Find_End_Enemy:
) a0 D7 ?% a3 t/ w - LDX #$0F) x1 l: m- i4 [
- Find_End_Enemy_Check:
) t" @: q1 C- O" {+ d1 p2 l - LDA Enemy_State,X6 u J8 K% L5 z. t% m& }: `! u
- BEQ Find_End_Enemy_Check_Continue
: ?1 q9 ^ i }( ? - LDA Enemy_Blood,X
' C6 s; e! B* L# K - BMI Find_End_Enemy_Check_Continue7 l: Z# U: d6 N
- BNE Find_End_Enemy_End* `, u3 j6 d0 v D1 S! `; h
-
. B& R, i8 A9 `5 S9 _ - Find_End_Enemy_Check_Continue:
: l! E+ _3 g$ ~/ b. F6 \ - DEX( Q' P7 Q" O/ o1 L7 t* C8 q
- BPL Find_End_Enemy_Check
+ g1 s' }. v$ {+ T! M - Find_End_Enemy_End:
9 U1 ~0 o' ~ H& E1 x7 k4 A% c' A - STX Enemy_Index_End7 |. b5 @) d/ a, U1 s; f
- RTS( v# c- r0 F& `! j# ]1 w
2 e1 v8 T" t7 W- ;子弹追踪
; a8 _0 b v$ \ g A8 M9 ` - Bullet_Track:9 S1 j" [- L4 Y
- LDA Enemy_Index_Begin7 W/ Z7 ~/ u1 d: {0 t, L- `
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;/ Z$ N7 b0 J/ k: f2 H- A
- LDX #$00
: Q2 Q% h G; L5 {6 ?1 l - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
G" @0 J# \. A1 v1 l5 e) q, _ Y - LDA Bullet_State,X4 I9 Y4 U# `) g' k
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
: k4 g* R: _: n$ d; T% h - STX Loop_Index_I4 ], I9 f& Q) ?" f) ~
- M0 p z0 K2 h) A* S% Q8 I
- JSR Bullet_Track_Enemy
; G' i; f8 A. [% o- x - JSR Bullet_Tract_Direction8 i9 U" B/ k! J% P
-
' m9 z4 |* h2 c0 T8 A! f - ;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
% l. v! p. X1 L( I6 A - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;* X! B' S! w# D
- LDA nEnemyIndex
. r4 O) i/ j' a' `- n& T0 v6 B - CMP Enemy_Index_End) C* ]: Y4 k. L$ t* G
- BEQ Bullet_Track_Check_Continue# m; _; m8 C$ f' |
- BCC Bullet_Track_Check_Continue5 S/ E! ~ |& q4 E* V
- LDA Enemy_Index_Begin
; v: i* ~; Q7 [ - STA nEnemyIndex
! t1 k6 a* ]: r0 i d; ~( g - / o- L! ? v+ J
- Bullet_Track_Check_Continue:$ \- Z7 v5 \( J$ ?
- LDX Loop_Index_I
7 g- Z# @) `% H9 z/ ]3 X: N - Bullet_Track_Check_End:
- W, n+ q. H L - INX& V5 V1 v* A" G6 l
- CPX #$10) e) g9 A7 t" }% R
- BCC Bullet_Track_Check
& M9 [4 A2 C$ z2 t0 Y - Bullet_Track_End:0 h- c( A' C. L" ?- n( }) t" j
- RTS
- M" e% u) _. j3 S8 i! w) Z- ^ - 7 X+ j: T. a. x
- ;给敌人分配子弹
6 r( g" A6 q, @1 k: @- R - Bullet_Track_Enemy:
2 I$ c7 t3 \7 n! z, m- B2 o - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)" V2 A" b0 v( M* m2 @1 x9 Q0 f( {
- Bullet_Track_Enemy_Check:
4 |" o" M5 w% z0 [$ f - STX Loop_Index_J* E! n; { F. T( E5 I, J9 a
-
; F. T! R% \* Y* [. D2 ]% m+ E% { r - ;if (0 != nEnemy[j] && -1 == nTrack[i])
]6 m8 v& v) r+ }) N1 I/ L/ u - LDA Enemy_State,X
3 E9 Y) _" q9 v2 A2 M - BEQ Bullet_Track_Enemy_Check_Continue
7 S" A: j! u/ \5 W5 g - LDA Enemy_Blood,X
& P, r* E0 M3 w - BMI Bullet_Track_Enemy_Check_Continue
9 n+ M5 ]1 F i+ M0 \ - 9 b2 G% `* Z9 b' [
- LDX Loop_Index_I
0 p' r! k7 g/ u* \ - LDA Track_Enemy_Index,X
+ F& S- O0 H0 j$ x2 _ - CMP #$FF
- D, O ^( S2 s8 s' X - BEQ Bullet_Track_Enemy_Init# O: b' d4 o# j( M
-
" ~2 i o7 i: A: ~! @# n3 ^# c - Bullet_Track_Enemy_Init:
3 [+ s, j7 \, I- p7 a - LDA Loop_Index_J
5 `# [9 t; C( G- d8 J! l! E - STA Track_Enemy_Index,X ;nTrack[i] = j;
! C5 B- b, e1 R7 L - ) `. o! g2 q/ ]) V8 N' f
- STA nEnemyIndex
9 l K# |) {" e& x - INC nEnemyIndex ;nEnemyIndex = j + 1;
: P( E$ R. I. e& k- M* F3 o - RTS ;break;
8 G J* e: p8 U& E4 o
" \ I+ b, }8 Q- Bullet_Track_Enemy_Check_Continue:1 `& `7 u5 b" N, ?: P; \( {, G
- LDX Loop_Index_J
, A% s& @6 H/ W - INX ;j++7 Q" { H1 A0 k) a5 l. `2 ?
- CPX Enemy_Index_End
3 ^8 C: y! l1 {' N/ W - BEQ Bullet_Track_Enemy_Check
; ?: @4 g- G! C4 r- ? - BCC Bullet_Track_Enemy_Check
1 L2 j0 a8 _% ?6 ]; y4 s - Bullet_Track_Enemy_End:
& Q2 [9 M* e3 [# r - RTS0 F2 p# [- `" J& j6 c+ q
- 0 g7 A& R- P4 {
- Track_Enemy:. |8 [5 x1 w& r. q
- LDX #$0F
1 f7 m4 k* H; x( l/ @. U- X' ~1 C, N# l - Track_Enemy_Begin:. Q+ H8 S! F4 J+ N; b8 Y
- LDA Bullet_Icon,X2 n! }! m" h; Q7 n
- BEQ Track_Enemy_Continue+ o5 k0 c+ e6 j" }2 p
- LDA Bullet_State,X% M+ V, q: [. y# T- [( ?6 r
- CMP #$01
, i) h, }; m% \ o - BNE Track_Enemy_Continue
" r F8 m! H m+ W$ g9 _ - 3 K- r d' g2 T& J8 C+ K# m
- JSR Track_Enemy_Process7 g" N2 u! m/ i8 _) f- ]" ^
-
0 _; H' \8 j1 _) \) F - Track_Enemy_Continue:* t9 u1 w6 n7 d
- DEX
5 v4 r# _* K7 Y% a0 o - BPL Track_Enemy_Begin
, p6 P# L3 g" P J3 j - RTS
9 P7 l/ O$ |- @/ a1 z' Q, T+ b - + R; }$ o: o3 _ ~! E, Y9 C# F0 F
- ;普通关卡
6 i* i4 j' x* `3 @/ M g6 J3 m* P - Track_Enemy_Process:7 s: T& m* g8 n* |" @0 {
- LDA Track_Enemy_Index,X
, r1 G- z* A' X1 V) H6 x, f9 o - CMP Enemy_Index4 u/ A2 G( a1 L$ F
- BNE Track_Enemy_End/ w0 _8 Q6 H2 X z* X
- LDY Enemy_Index
6 F0 ~3 E8 ]* R- h% G3 S6 P - JSR Track_Enemy_Y
4 ?) S5 _+ v! D" I - LDY Enemy_Index3 H+ M q# ^' ]* A3 H1 {" c- s9 R4 L
- JSR Track_Enemy_X
; `. S: D0 P' K9 F* J - Track_Enemy_End:
( G/ I+ o# m: L8 B - RTS
: r4 l2 b2 h7 J# ?: a - ; b& y0 m, b$ T9 u
- Track_Enemy_Y:
" R2 `) u# ~9 O. z" e* s* W1 V - SEC u- W* L6 @- D7 Z3 h3 ]
- LDA Bullet_Y_Pos,X% x& X, \! ^/ ?2 }: I
- SBC Enemy_Y_Pos,Y
0 P! d8 m6 J# g - BEQ Track_Enemy_Y_Equal# F# Q2 W+ t. P \7 T
- BCS Track_Enemy_Y_Greater" n9 b3 p5 w" ~* } o/ Y) q2 M$ v
-
3 L# O' _9 \& D( N8 X5 u - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
$ D$ K$ e! Z3 _( _2 G4 C" a; k3 Q - CMP #$FC& h0 M8 r1 ?( ]9 n9 A
- BCC L1_1
' T K9 x# c& |& h - CMP #$FE
9 A9 c( g. @: R - BCC L1_2
e0 J% @ E9 B7 ~3 B - LDA #$00
- X3 l2 q, e" x$ w" d9 w - STA Bullet_Y_Speed,X/ v3 Z+ w: k H
- RTS
7 n, \) a# R `, ]9 G+ j - L1_1: M! b7 Y0 N# h7 R9 l4 Y* `* h
- LDA Bullet_Type,X6 J d! m( \$ u" u( l0 D
- AND #$0F* c8 C7 C6 w9 U: R
- TAY) e/ K0 W5 N. ~- x1 b
- LDA Bullet_Speed_Data,Y! Q4 Q% m* W( v
- STA Bullet_Y_Speed,X" Y/ M6 Y3 j; s$ z5 Q
- RTS: V S' a( Q% n! u6 p% h7 |
; n8 K: d2 D% r. ~+ F" d2 k% [- L1_2: 0 n+ n4 D; |( I
- STA Data_buffer8 o {: [: z5 ]( _9 B9 `- G( W
- LDA #$00, i, V. g2 r4 e7 f, S8 W* A3 f
- STA Data_buffer
$ @2 A9 n* t7 N, K - LSR, [& c9 R; S) Y: n8 m1 F
- STA Bullet_Y_Speed,X; Y- L) D. Y- N3 S' t7 G. `
- RTS
. Q* ?9 e" R" K: A9 w
% I4 R e& W$ t& |+ z- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y! S/ l4 C h! P, C) I$ G2 O. r
- CMP #$049 o% s6 ^/ c2 W6 _% X
- BCS L2_1
3 p1 }- l1 G5 l* C - CMP #$04
! h' K# g4 u" E. r3 w& g - BCS L2_21 y) @- E4 V7 w, V
- LDA #$00
3 [4 F) |- s6 M |. M5 \ f - STA Bullet_Y_Speed,X. u3 n$ o! T& g( `) a% I, @" B
- RTS
7 x$ S+ k' B+ J: G0 s' O - ' {5 J: g' E4 D+ @$ q( _
- L2_1:
' ?. {/ q" F% v. \, D' Q; u - LDA Bullet_Type,X" D) Z9 x0 i* b6 V' _
- AND #$0F/ G8 g" q# m- m2 b! |4 ^3 [
- TAY
4 J1 v/ Q4 a3 t7 R - LDA #$00$ ^9 T( R% c( l! h* \
- SBC Bullet_Speed_Data,Y
+ K" A" s+ V7 p/ ?0 X- l - STA Bullet_Y_Speed,X5 f) P. m! E. e3 q
- RTS
+ K" P; D/ l: v$ {2 V -
: C; d y$ q$ W3 q& n2 K) b - L2_2:
, t* _1 U2 ]: ] - LSR
" W Q/ o& R9 h0 _5 F4 l - STA Data_buffer6 `0 `+ ]+ e) g/ p8 k! Q0 ~
- LDA #$004 }6 C0 R, |( `
- SBC Data_buffer" `0 m: H1 T! V Z; D: b5 g
- STA Bullet_Y_Speed,X8 x, f6 ? n, Y; g
- RTS4 _+ \' E8 o$ B9 X* {
-
& G) f4 W" x) P, } - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
, w6 x7 e6 e7 V* R# y6 }+ d - LDA #$00
; m3 X: `6 x! M- `! f" P- p - STA Bullet_Y_Speed,X! A5 @6 d1 p) O# [# ~1 g& O) v$ V
- RTS: Y* R7 K8 |; D
- $ z6 N A6 [) v* L, _( ?! T
- Track_Enemy_X:# h7 Z! A5 \/ E
- SEC
$ o% S$ C4 n- ?9 X$ p& ?7 I - LDA Bullet_X_Pos,X
1 N8 ~: S; Y# T - SBC Enemy_X_Pos,Y$ u- I/ o( J( ~0 M0 I( P- a
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X9 P4 d3 w( K# j6 A' F8 l5 D
- BCS Track_Enemy_X_Greater ;子弹在敌人下方& w* d2 c! Z* e
- 1 U- Y; Q4 P3 z% r: w
- Track_Enemy_X_Less: ;子弹X < 敌人X% m" ]- n8 G8 m5 O* q+ M5 ^
- CMP #$FC/ k6 h9 u. f1 H" k
- BCC L3_15 t3 q( F7 X6 q, {2 Z/ q! r2 s
- CMP #$FE
# T, `% i0 m* K/ L, r9 L3 k5 M; Q - BCC L3_2
( }4 s$ a5 z- O2 j - LDA #$00
1 j8 s/ N, K. p- L+ h% I9 ` - STA Bullet_X_Speed,X: G8 m i! Q$ n
- RTS( {- e2 \1 o1 ^! z) f* m
- L3_1: : {" Q7 K2 @/ I) l
- LDA Bullet_Type,X) I0 h5 R# U* l, U$ l7 R' v6 Y+ P
- AND #$0F
5 \! o/ o6 y# w7 y. u7 b* O - TAY' V" J7 u+ Y7 {3 d% @6 L: {
- LDA Bullet_Speed_Data,Y7 \1 P5 f# T. F" F w
- STA Bullet_X_Speed,X
* l4 R9 Q8 B5 ?0 i, _ - RTS9 t( c, v5 B* t( S
- L3_2:
# F4 b6 V6 f( d$ h2 f. M6 A$ v - STA Data_buffer. s# \+ Y: j s' j: Y
- LDA #$00' V% ~3 @" T# b U8 A
- STA Data_buffer& N# n# o3 { V P1 |
- LSR7 Z" @/ _: b5 X, i+ T" S
- STA Bullet_X_Speed,X/ M4 D$ y6 x, f E' o) C* t
- RTS4 q% d& v( P# r8 g) L J
-
. x% C0 ^0 l- E& K& w/ c& E - Track_Enemy_X_Greater: ;子弹X > 敌人X
; g, c& |, r: e1 ~! C" q7 q - CMP #$04# X+ k- I% C, }% u" A. ~0 @
- BCS L4_1
2 D( x. [& F3 L! L: @ - CMP #$02+ }8 X# o8 y4 J4 J2 Y# A" d9 P& T5 O
- BCS L4_28 x6 a* G; n# |+ P; O! \1 b: q& H
- LDA #$00
# S% M- p7 \. ~: t" m, N6 I V - STA Bullet_X_Speed,X
/ n5 x. Z$ c' k/ s. b, R - RTS. S& d3 F0 e( q8 H3 {: G, x& F$ u
- 4 I) F/ g* v5 H) b
- L4_1:
# _# m1 z2 W, F# d/ e" ^) u - LDA Bullet_Type,X+ D% A( O3 y% K+ M
- AND #$0F Q' [2 ~7 o" c- u
- TAY+ |1 K7 S& q- f3 V
- LDA #$00+ L5 P) ?( E) y
- SBC Bullet_Speed_Data,Y
1 C8 Y# H# o' Q" Y- g2 N - STA Bullet_X_Speed,X! K4 M3 P+ C4 ~* y6 q. x$ Z
- RTS
- R' u& w8 g/ U" g( F5 K4 S - L4_2:
8 ~' z1 x C; O- i _: G4 \ - LSR3 Z/ T1 N6 k, X8 x' |% j7 h
- STA Data_buffer
. E( X4 Z9 N, ^9 G! }2 u* e% t( h - LDA #$00- W* {7 ]3 U9 C
- SBC Data_buffer
8 v( n6 d* D( R1 Z g1 O - STA Bullet_X_Speed,X
+ Z% q$ n5 S* }. _" I: q3 A - RTS1 j3 k( i2 F. t- F8 e: D/ L
- & n& V4 A: x6 S
- Track_Enemy_X_Equal: ;子弹X == 敌人X) p |$ x# c; ]. I- Z
- LDA #$00 g8 c: W3 n4 m8 `
- STA Bullet_X_Speed,X }- u4 b0 C, V3 O( \
- RTS
+ p) f7 `; N# R2 n( \7 t -
9 K3 [+ S) K, _ - Bullet_Speed_Data:
; Y5 K. p, S" X# d% p - .DB $00,$03,$03,$02,$03,$03 ]4 w6 M+ I1 a# _( B" @
- 3 _$ [; }4 |( j) n
- ;2, 4关/ ?( _9 B4 t' H/ y2 x
- Track_Enemy_Ex:4 w0 y4 X) [# w2 S
- LDX #$0F
' c- O; N# y/ a- X2 L1 V( M - Track_Enemy_Ex_Begin:! S3 q. ~% |0 X+ Y8 m
- Z# P- {+ X! r+ f" c- LDA Bullet_State,X
1 M2 y# W8 \/ \ - CMP #$01) @* Q/ F& m }1 q" N$ H
- BNE Track_Enemy_Ex_Continue
4 g3 `) g7 F; \5 I - . U, f% o: K9 I7 c3 @
- LDA Track_Enemy_Index,X
0 c+ p2 o' e, A* n% o - CMP Enemy_Index+ g' N, S6 E4 j* _. v5 {" Z5 h
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
9 ^0 M5 D; g- U8 Y" U! }* [ a8 Z - + m3 I9 L; D9 F7 R9 z0 k( k
- LDY Enemy_Index
0 k: ?3 P2 R. E - JSR Track_Enemy_Ex_X7 D5 w# ]" C8 C
-
+ b# H u" N7 ?% f% Z" a4 a: }& s - Track_Enemy_Ex_Continue:) z; U$ m6 @$ {# e/ c: m" ]
- DEX
, _" c/ P- `# x3 M - BPL Track_Enemy_Ex_Begin% V f7 m( o6 o0 g6 L0 o$ \) |! w
- Track_Enemy_Ex_End:. O3 Y% g6 m! Y
- RTS
! h; z0 T# Z, h1 \2 C+ D, s( R - % X% r" j) M5 ?+ ]
- Track_Enemy_Ex_X:
. w4 o D( g8 f8 H - ;LDA Bullet_Z_Pos,X
. M" k0 O# B+ U# g$ ?" Y! F - ;CMP #$04
h& g7 b+ F2 ~" e8 N - ;BCC Track_Enemy_Ex_X_End
* O! F' Q- K+ e( W; ], f0 k/ V3 |/ W - SEC3 O! W! G p. o9 ^5 k3 e& ^
- LDA Bullet_X_Pos,X k' R9 }" E' a2 j- [4 [0 i+ i
- SBC Enemy_X_Pos,Y
$ [5 K: k! l) o: k - BCS Track_Enemy_Ex_X_Greater
: r; f3 H+ V& W - . ~: v+ p: e5 _) \! H: z4 N
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X9 X5 o3 c; }$ c# I( h
- CMP #$FD! @% ?* r3 j* ]& V. ]7 V3 w
- BCS Track_Enemy_Ex_X_Less_End
- Y; G- X4 U0 l& y* P - LDA $6020,X/ m: X4 j# Z( D7 v; s& Z2 a3 l4 s3 b% I
- CMP #$2A
( d+ `; M. P: K. p @3 r6 A m, a - BEQ Track_Enemy_Ex_X_Less_L1
) P6 T' p) A4 W0 d - LDA Bullet_Z_Pos,X9 o" m( N3 B" p' q8 E
- LSR, T' `; b8 z% N) T, ?7 e9 A' u5 J
- TAY, [7 S, V# t! M3 |, b3 f2 W
- LDA Bullet_Speed_Data_Ex_R,Y
I4 C( N. B/ v, b( | - STA Bullet_X_Speed,X, h: d1 U6 M5 M- ] g6 k
- RTS
$ a3 U# R- W* ?/ M$ I: c' G - Track_Enemy_Ex_X_Less_L1:
1 W- k2 A/ C- A( _
% U0 n8 |1 o3 a- LDA Bullet_Z_Pos,X6 U5 M/ k8 m' Z7 C4 p1 |
- LSR) U& w5 J# B5 g9 }& z3 i; E5 I1 L1 \
- LSR! E7 H9 l) O$ f$ a5 r
- TAY8 ], N7 P, b# Z& O
- LDA Bullet_Speed_Data_Ex,Y+ P: S- z9 J9 I% F# D, L3 R
- STA Bullet_X_Speed,X
* {( @. Y) }& Z# g - RTS) K. A4 i! j9 {+ C; Y b
- + n) e1 p' f; C4 |
- Track_Enemy_Ex_X_Less_End:# z' s) \ p( R! X% s
- RTS
; ^- x# u0 W6 Q6 Y1 {* ~4 Q - " s$ k# E6 a ]$ {% Y
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X8 M- t- Q% x) X c( n) k4 U( k
- CMP #$03
3 o6 S! n2 y, U+ o$ h0 i2 w - BCC Track_Enemy_Ex_X_End
3 O% w& f4 k6 A3 p4 A: j c" n - LDA $6020,X
; I6 r( x) P9 y7 _7 Z# q- B! E7 W8 y - CMP #$2A) {2 v2 i c6 `- x8 t! g7 _5 I
- BEQ Track_Enemy_Ex_X_Greater_L1
, l& Z. g0 b8 N' J( F; e - LDA Bullet_Z_Pos,X
& _5 p. L5 `& A1 _ - LSR
) u3 O( J9 |4 `6 W9 h. ?! L - TAY( x; l# D/ N! l
- LDA #$001 H( {( J: ?* l% w" L8 q
- SEC
& s- t& t# P& e9 g( c) } - SBC Bullet_Speed_Data_Ex_R,Y0 y% w; [: U: Z
- STA Bullet_X_Speed,X6 U, ?- A. Q$ U, [/ M! ?9 k
- RTS/ H! N7 ]; l* C& X# `
-
- h6 v6 ? h4 k/ J - Track_Enemy_Ex_X_Greater_L1" A7 P8 f b+ P5 ^/ `3 E0 @( p
- LDA Bullet_Z_Pos,X# ?) S5 A6 B5 F: h) l: E) n
- LSR
u9 [# h% v; |. d* ~3 ]* I - LSR
5 v: C' l! l( T* _) c8 { - TAY' U5 u9 B/ s+ I) Y
- LDA #$00. d C, p, W9 [ }; o& I8 R
- SEC
; l3 I1 J6 F! z5 p& j - SBC Bullet_Speed_Data_Ex,Y
( |. v$ P4 @6 ~7 \8 Z7 { - STA Bullet_X_Speed,X
, p4 b8 Q. K; [) d+ p8 v3 C. n8 E6 P - RTS
3 Q1 u' k2 j, T5 W - ; O& V9 V' z$ g# }4 [
- Track_Enemy_Ex_X_End:5 b& ^+ D/ | ]
- RTS4 i* e1 K3 f. _$ M
- / Q7 e- d. k1 ~( M0 e7 x
- ;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)- A3 Z' `4 i+ T& b- |) ? ?
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上9 I6 ?$ M* \1 y3 M
- Bullet_Tract_Direction:
3 x% K+ Q2 z1 U& d# C - LDA Bullet_Icon,X
; S0 V% _0 I6 M+ s/ F+ M - CMP #$23 z5 [3 l: `/ z4 }$ [+ O
- BCC Bullet_Tract_Direction_End
# @: P7 k Z! }# K -
6 p! T% b' A7 Q: N# E6 ~* A! o/ X' w - ; X != 0
: `' j$ V! s4 w" Q" A+ R' ~ - LDA Bullet_X_Speed,X
; F; I9 P" `. {! o! [% c; j - BEQ Bullet_Direction_V& _8 N/ X& `+ v5 C7 S& G- z" ^
- ' e0 c) m t. ]3 N/ p5 m. x
- LDA Bullet_Y_Speed,X
$ e; b$ B( B$ I: f z - BEQ Bullet_Direction_H
`: ~: m3 w6 d2 t) W -
# U |3 p0 _; c# V/ N" N& v8 M - LDA Bullet_X_Speed,X
6 ?& H6 C! V, U2 Y6 s d+ ~' g: x - BPL Bullet_Tract_Direction_Right W' s0 o8 m: S1 B
- Bullet_Tract_Direction_Left:8 \! w+ O" W' W! s: j: V1 ]
- LDA Bullet_Y_Speed,X* B; F# W3 v% I3 L7 N
- BMI Bullet_Direction_Left_Top2 l9 C5 `- c( G
- BPL Bullet_Direction_Left_Down
* x0 U" F c5 z+ g5 E - Bullet_Tract_Direction_Right:
$ d6 T7 \5 U% Z6 C: c' ` - LDA Bullet_Y_Speed,X, l4 a% W) |* g2 V. ^- i* M
- BMI Bullet_Direction_Right_Top
( F* S/ }8 u& d; B% c - BPL Bullet_Direction_Right_Down
3 T- G& b6 H. @7 H) x - Bullet_Tract_Direction_End:
2 Q. E' k6 L! F - RTS3 B4 Y i" A7 z
( [( R9 c7 D7 G2 O- Bullet_Direction_Left_Top:
5 J7 ]& e- B/ P* N5 u2 H4 M, r$ [8 R - LDA #$25
8 n Z. t; z p3 F; O - STA Bullet_Icon,X/ C' ?( s: V; Q
- LDA #$C0
& B, l; c9 V" w7 o - STA Bullet_Direction,X6 i: q" X* W" o
- RTS
$ u+ b; l; s" m. Z - # v9 G: i# n8 D. D
- Bullet_Direction_Left_Down:0 T* W* o* C* Z) x" i( ?
- LDA #$25. X6 j/ f C- _* O/ F
- STA Bullet_Icon,X
9 e; c$ ]( ^) g - LDA #$40
* \6 i% s, I1 j5 | - STA Bullet_Direction,X. X! S# ^. q7 `0 k- W
- RTS
: d/ p1 M! [) r2 k1 _) e1 J! P+ i
7 k1 W9 i/ N$ z! Q6 {- Bullet_Direction_Right_Top:* w. H, m* v# E, G3 e
- LDA #$25
2 A* s/ K. R( W( `/ P: l7 g - STA Bullet_Icon,X) ~' N3 R; T' g7 A$ _, |: l6 ]
- LDA #$80: _" E0 d0 U2 n( `: W ~
- STA Bullet_Direction,X c# D# \* h8 }9 b
- RTS
/ K* w! w, B( M# Q - 6 A$ a |7 s3 D& x$ Z& q3 `) o
- Bullet_Direction_Right_Down:
. H+ _' X& L7 Y4 n! ]5 Z - LDA #$256 ?8 Q9 k" y6 R+ o/ o
- STA Bullet_Icon,X+ P9 Z( x9 Z6 h$ H
- LDA #$00
) X" F' V# D: c4 B, B - STA Bullet_Direction,X4 \' G* |$ Y) d3 Q; D' ]
- RTS
3 e2 n: Z' S9 N+ y/ J4 Q
+ \6 e+ x" ]) I! z/ C- Bullet_Direction_H:
) Z% X- z7 \' a/ w - LDA #$24
$ `+ y: Q z8 z* S5 T' `+ s& i - STA Bullet_Icon,X
$ ]. L$ v7 x- [+ e2 N% t - LDA #$00/ u. ^; q T2 S+ P2 K; S
- STA Bullet_Direction,X
7 D2 g1 h. T# `3 D m4 W - RTS7 G: k0 ~8 A0 {6 N$ P
- 5 J5 u$ v8 i& i0 p% u& \& ?
- Bullet_Direction_V:" L* k& E3 l) P9 ~! w
- LDA #$23. E( m* S, k0 u/ P% b, r
- STA Bullet_Icon,X
Z- g) ?$ `/ S$ ^! C - LDA #$00+ s( [2 L( I& k+ c7 M3 n% i
- STA Bullet_Direction,X
8 H2 _# Q. h; { - RTS3 k: G' O1 ?: u" Y7 Y
+ E9 [6 M3 p- x- Bullet_Speed_Data_Ex:, I. A2 u5 a/ D0 _8 R- @
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$044 S( a' ]8 U( i* q7 |0 I2 m
-
& g8 A2 N g( ~9 L8 w - Bullet_Speed_Data_Ex_R:
: d; D9 j0 F! a& A. M2 a - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08. ~1 C& n% H3 P$ W# z
-
复制代码 3 M p2 A( ~0 Q" e0 d, G
. U9 T" x0 ^) A) h) d( S. e
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?立即注册
x
|