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[FC][魂斗罗][J][追踪弹]
5 Y) ~! }# U4 i7 |9 t9 t4 O. b5 R3 Y% n
( r* T1 j- J! Q6 N时间:2023.04.30
% l. }3 N9 S, b9 `6 G3 K作者:FlameCyclone S1 ~9 R! M0 C3 ?0 ?+ m0 _; D
内容:
, Y0 n4 O( I: b5 E 1. 所有子弹追踪敌人; h' ~/ ~. m6 t* O- |$ b
2. 选择键切换武器% N _1 m# w. u2 W1 _* m! b
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
0 {9 Y4 ^0 Y5 w: l) N- d! X" a( x" l# r, `* L7 f/ u* u
flamecyclone.ys168.com
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' R& Y" Q& y( b4 e- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁* E5 {6 o" t8 m, b) p
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L: M; E( Q8 R* ?9 J9 f
- 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)
* J! l. L3 F4 a [& ~: x! q
2 y5 W! Q5 l D" [" Y- ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)
; v z F2 e/ t$ K - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
6 |5 E4 E& d+ ^, h9 y3 }' R* z
6 \ C, b/ L/ W& o- Track_Enemy_Index = $6000
5 [* }: @3 V4 X! S$ K - Enemy_Index_Begin = $6010
& t6 X9 F7 P5 G8 t - Enemy_Index_End = $6011) C6 A4 E8 b0 f$ v5 U8 I
0 I0 m- y# v p. S' w% ?4 Z1 ^- Loop_Index_I = $6012
9 b6 [' S- Z! {2 X - Loop_Index_J = $6013/ H; S' C7 E, P! y& ?# c9 S ~; x0 ~
- nEnemyIndex = $6014
% e* q: _& j' ] v - Data_buffer = $6015
% ]$ U$ P% ?' e. n( E1 O! t v
7 V. E9 t- }% ~* @; f. ]- Bullet_Y_Pos = $03B8 ;子弹垂直坐标/ G O9 Q! Q) {. ]$ w9 ?9 D
- Bullet_X_Pos = $03C8 ;子弹水平坐标
% X1 j" O2 d7 w$ c, y - Bullet_Y_Speed = $03F8 ;子弹垂直速度
8 k. S: }& V" A+ Y8 |+ f+ l, j - Bullet_X_Speed = $0408 ;子弹水平速度
, Q0 Z& R7 k D4 y - Bullet_Z_Pos = $0418 ;子弹Z坐标
. c G! I1 P/ [ - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P. ]: g" F: L1 y
- / M6 V% ~& m. J3 I# @& z4 C
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸) O; A) ?+ N9 }7 K# ?* F$ e
- Enemy_Blood = $0598 ;敌人血量
! C" v' H# b6 y1 q. ]; m - Enemy_Type_Addr = $0528 ;敌人类型+ L0 u$ J+ \. `7 f* i
- Enemy_Blood_Addr = $0578 ;敌人血量# t" ?% Q6 N+ Y" O# e
- Enemy_Y_Pos = $0324 ;敌人垂直坐标" {3 D6 B! |: h3 D" [% _& H/ W
- Enemy_X_Pos = $033E ;敌人水平坐标
K6 ^! ]% { n3 k( C - Enemy_Y_Speed = $04E8 ;敌人垂直速度
5 k1 D8 C1 v( 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
2 N4 A# G6 B: g+ c% T - 8 H3 L: C v+ q- Z4 T( y/ m9 @: i
- Enemy_Index = $83 ;! n: q- V+ T$ J' n& Q0 I, y( _& G
- Time_Count = $1A5 u4 F& |" y7 [2 L. a
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
5 I8 F8 F/ M( E6 U - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率; h, Z/ [, F3 R3 h4 L( O1 F
- - T( y, U f' `$ P9 @$ {. Z
- ( w9 s8 v( U6 C" j4 ?" ~
- .ORG $6100
6 N+ H; S2 @+ L' a# x* K4 `; D - Process_Begin:* w+ f" ^" Z5 s+ y' J, b
- JSR Enemy_Check) U. y+ d% z, O2 G) C
- JSR Track_Enemy_Check
+ n: D# U9 ]/ k( m+ g! T" _9 K - Process_End:- v1 w. R8 H2 g7 t |. @% O/ y
- JMP $E54F
8 b* n7 |7 A' A6 t - k4 G* p& n: {) o* Q% I$ O
- Enemy_Check:3 W6 x8 i+ a- `6 x& S* C
- LDA Time_Count
# U. R: f! [8 I) |8 l - AND #Track_Bullet_Speed
6 K, `8 w% v/ X4 I - CMP #Track_Bullet_Speed) ~' l0 ]' j8 X: l! o# z4 M
- BNE Enemy_Check_End
9 U; T+ u5 I5 y8 ]# e E - LDX #$0F
5 C, m+ I% G% T" D; x! h - Enemy_Check_Begin:
y6 e% s' u. S5 X' x- u - LDA Enemy_State,X' q2 |- t. T' W: k4 r" ~5 m" L
- BEQ Enemy_Check_Continue) l6 v* F- x( Q% H$ n o) j
- STX Enemy_Index
1 o$ F6 ^% w9 J - JSR Find_Begin_Enemy# a& K+ i6 b3 {. r3 `
- JSR Find_End_Enemy3 s% x& g( b- |
- JSR Bullet_Track* Q! i% Z; D2 D4 U/ C
- 4 m* [. E/ P6 t0 N
- LDX Enemy_Index
3 Z9 H2 y7 d' g$ r( ~ c - Enemy_Check_Continue:3 `2 ]9 x$ A/ E8 A i: e" e
- DEX# [3 m2 b0 x5 j5 M9 F" p5 ~
- BPL Enemy_Check_Begin
, a' I( @4 q0 s' G* h! Z; R1 R D, V - Enemy_Check_End:
* r" s4 e# X$ o" f4 H5 Y - RTS) k6 W* o% s3 A6 ^
-
# M! d8 |2 E0 c$ @' r - Track_Enemy_Check:
- K% w: Q. D# v5 Z7 L - LDA Time_Count" j" _' p0 s1 F: s1 g1 g! x( _: Q+ B
- AND #Track_Enemy_Speed
, T2 @) }! _1 T* D7 P: K! C4 G - CMP #Track_Enemy_Speed
. Y* u. Y' k+ A* N - BNE Track_Enemy_Check_End
+ l+ J6 n+ k, N1 u) t [ - LDX #$0F* h, Z- A$ Q1 T/ s
- Track_Enemy_Check_Begin:7 t0 w$ C; d& @/ e
- LDA Enemy_State,X
. c0 x; b$ i) b" k - BEQ Track_Enemy_Check_Continue+ _" H. n, N% _" v$ {+ _$ ~
- STX Enemy_Index" {/ \% H4 d4 E5 ~
-
' x8 {( p$ |5 J* W1 Z ~ - LDA $40
* U" ?; ?6 d/ g. z, V - LSR
# z& @: F' @, o1 c [& r - BCC Track_Enemy_Check_Begin_L1
' o+ p" H8 ]) C. P e -
2 @# b8 u; S0 i0 @6 B7 z' i - JSR Track_Enemy_Ex ;2, 44 |5 l' |& S2 C A1 M, {7 f
- LDA #$00
: J$ G4 _1 ]( i5 X - BEQ Track_Enemy_Check_Begin_L2) f# U( Z5 Z" M6 ?
- 4 P2 I* M1 {; M! d3 W
- Track_Enemy_Check_Begin_L1:
2 w7 C9 V+ T- ` - 4 F- }! c, B4 `0 [
- JSR Track_Enemy
9 c t" Y. H/ ~5 B$ L) ~+ t( w - }3 S: \4 Z+ v; O9 m1 u$ z F% K
- Track_Enemy_Check_Begin_L2:- n1 J7 E4 Z" B5 }' i' L2 N
- + t x3 Y7 y$ V1 A7 ?, m
- LDX Enemy_Index2 ]% M$ U) |* y1 T; V$ @% I* e
- Track_Enemy_Check_Continue:7 {" k8 |, y6 y& A
- DEX
' u0 o; w D3 n5 E- @& h# ]7 c - BPL Track_Enemy_Check_Begin2 S4 S' c3 y* b0 R5 @3 w
- Track_Enemy_Check_End:
# \+ R9 E& t* y+ ~! i1 P - RTS
( [3 g- z1 j7 @8 O - 0 J/ t) g/ v* D* p+ J( ^* N" k
4 d' s$ x, u0 V3 {5 r- ;查找第一个敌人
6 ?5 e6 e4 C1 l# Z8 D6 G/ I - Find_Begin_Enemy:
" K9 v$ |: I7 [$ l! S - LDX #$00
2 o' L# Y0 p. ?' a - Find_Begin_Enemy_Check:5 M+ A+ n- A: s5 `$ c: }
- LDA Enemy_State,X
- g! E+ m7 i3 Z2 p - BEQ Find_Begin_Enemy_Check_Continue% r: i6 m. D1 n& [* X
- LDA Enemy_Blood,X
8 K0 t( F$ L' I( f6 W - BMI Find_Begin_Enemy_Check_Continue
9 I* n: Z# F1 `) t$ f- W - BNE Find_Begin_Enemy_End; o, o! C# L* E) P* a8 ^0 z" R
- ! e) z* ]1 p! A. h1 P8 z. u
- Find_Begin_Enemy_Check_Continue:2 I& M" T; I# \2 x
- INX
I! k+ v' n6 T, r: l* o - CPX #$103 l( D& G* L( {! [, H
- BCC Find_Begin_Enemy_Check; [' T a0 a- s$ T0 l0 T/ b) E
- Find_Begin_Enemy_End:
) c& k* k* R& @# f - STX Enemy_Index_Begin
) }1 V' \2 J1 q% ?7 Y - RTS
8 b* H# G/ ~( X! m+ `' Z3 V - & P1 S( [1 ^ R1 z' [
- ;查找最后一个敌人
( @6 G. O2 r# P& z- v3 O - Find_End_Enemy: [' l. y0 |6 r7 K" Q
- LDX #$0F
9 E! M0 O+ f2 T9 w4 { - Find_End_Enemy_Check:
) H: d) B! G5 Z5 q9 F ]$ x- n& h% s - LDA Enemy_State,X/ F2 {7 E# L0 W& N
- BEQ Find_End_Enemy_Check_Continue' _" E9 s% i. t! }/ A$ C4 K
- LDA Enemy_Blood,X5 h% P% X+ Z8 o7 o
- BMI Find_End_Enemy_Check_Continue# }9 f$ {4 W0 E6 q# U4 f
- BNE Find_End_Enemy_End+ Z Q& N2 O+ i/ w) e0 u
-
/ C* Y& X, u& K& S7 r - Find_End_Enemy_Check_Continue:
+ g/ @" ]$ q/ ?) K - DEX
4 f3 d. T5 Y! \$ \" D - BPL Find_End_Enemy_Check5 p) ^* d! G0 D4 ]# n' v4 o. N
- Find_End_Enemy_End:( T0 ]+ B8 r- D! z
- STX Enemy_Index_End" h* b- a1 E! X9 ^
- RTS
/ P7 @( \% {0 o# B* X
1 u H0 H) _3 C- A c1 w- ;子弹追踪1 O6 r( h: v& D6 c) b& D
- Bullet_Track:3 M* K- K f6 R
- LDA Enemy_Index_Begin$ Y, c$ K# z) S( s7 D
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;6 |' z/ W: R& c; L
- LDX #$00
+ \; w( h: ~) h% H; n - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)' [: {8 `, r# _. D
- LDA Bullet_State,X9 Z, n1 B( n+ M7 g8 U
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue; Q, b( |5 m+ s9 x4 G7 E& V* {
- STX Loop_Index_I' \8 V4 f/ M' {/ G; G, S
- 2 W6 `3 ^1 M# p5 O& G
- JSR Bullet_Track_Enemy
" |3 W, M4 c9 d& m - JSR Bullet_Tract_Direction
+ T: g/ n& D. r - 1 r7 X) r) m7 h/ G6 q2 b" L
- ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪
9 E, ^6 ^. E6 a - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
& d+ p5 y" }" `* P# N4 J3 \- | - LDA nEnemyIndex
# o* G9 x( p |8 w) m* ] Y- H+ j - CMP Enemy_Index_End
5 I) I3 w( O% J" z - BEQ Bullet_Track_Check_Continue
0 w' J8 C+ w) u, b! k) k0 a - BCC Bullet_Track_Check_Continue
2 A3 F) T& N$ k4 J - LDA Enemy_Index_Begin
& @$ W% E5 u9 x5 ?+ n" i' ]: I - STA nEnemyIndex
( [% v9 h/ ~6 J& m - % n$ K- v: j; j2 N+ `7 j+ A b( a$ l, K: R
- Bullet_Track_Check_Continue:, K& G6 q5 G/ _9 m2 s$ v
- LDX Loop_Index_I4 n# S# l; n9 K
- Bullet_Track_Check_End:
! @- g v! A# P - INX
5 a# d4 p4 t3 ` O" R - CPX #$10" n, ]7 F5 w% j# \
- BCC Bullet_Track_Check
; B S& [8 d, g0 v$ R( q8 g - Bullet_Track_End:; f0 L7 l' g* O4 S( D u" B
- RTS+ ~3 s% m) g* z+ m& k& s
- K& l* D. I, b( f3 B; x ~$ G
- ;给敌人分配子弹2 n$ U6 Y. G0 h$ s* `3 J9 t9 }! Q
- Bullet_Track_Enemy:
* @! o1 z, H/ } O8 v m - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
7 Q( z0 p1 `; f* e9 `9 e - Bullet_Track_Enemy_Check:4 @6 q9 O: W$ `" ?8 _5 _8 {- B
- STX Loop_Index_J4 e& b6 x* t/ b) r1 f: }
-
2 ?# Q+ H0 b5 O& ]: x - ;if (0 != nEnemy[j] && -1 == nTrack[i])4 _% o( ]4 P5 |8 C
- LDA Enemy_State,X8 C2 g: ~, S9 H: P8 W+ D4 p) b- @
- BEQ Bullet_Track_Enemy_Check_Continue
- ?0 t2 p; a2 ^2 ~* J# G - LDA Enemy_Blood,X
Z+ b& b5 F2 H - BMI Bullet_Track_Enemy_Check_Continue
k9 \4 H2 l- f7 I -
4 ]/ \4 C% N! y5 F S4 ^ - LDX Loop_Index_I
2 s+ [7 ]2 S# I% N( H' U: j, N" Q - LDA Track_Enemy_Index,X# I. F+ D! ?: w& h F# Y
- CMP #$FF! \5 H, s5 ]8 Q1 M
- BEQ Bullet_Track_Enemy_Init
# z& X6 e9 K% L# m6 ~ - 5 {( p9 Y7 x* N+ `- \
- Bullet_Track_Enemy_Init:
% X5 E: Y/ L0 m# x& ` - LDA Loop_Index_J
, v/ j& p9 z/ U+ T: f8 w - STA Track_Enemy_Index,X ;nTrack[i] = j;# j3 h2 n p/ A. j3 ~/ [
- ; B+ {! [' z) n1 Z ]& C
- STA nEnemyIndex( Q4 h3 _' W+ o- i2 q- X; x% p
- INC nEnemyIndex ;nEnemyIndex = j + 1;+ z( q& N1 m O! R9 o
- RTS ;break;1 ?7 M$ p7 m+ k$ r% f7 S
- ' q2 c; G, W# w/ s: N" s
- Bullet_Track_Enemy_Check_Continue:) R2 B0 X+ _( H- ?
- LDX Loop_Index_J* I e* S) K! q3 m2 C% [
- INX ;j++
7 R, d+ Q$ O2 X; L# _) ~1 l9 B! R - CPX Enemy_Index_End @/ c" t H/ `
- BEQ Bullet_Track_Enemy_Check
2 K. {; F3 z# H/ W3 V0 e: S: F - BCC Bullet_Track_Enemy_Check
& U2 [* |, r G' e - Bullet_Track_Enemy_End:" n S) ?3 k9 @7 H- R; r4 x- Z
- RTS2 |2 h6 Q( x: D# c: ~! d7 d6 e7 w
- 8 _" C# p' [- j# e
- Track_Enemy:
/ q$ Z+ N2 @4 l& l' N - LDX #$0F7 ] A+ C0 W3 v
- Track_Enemy_Begin:1 E6 `" U1 e" j5 ~; Z* y2 F
- LDA Bullet_Icon,X5 ]: ?& F# o: i& Z4 Q8 c
- BEQ Track_Enemy_Continue
, v3 N0 H0 Q U, s - LDA Bullet_State,X1 j. |' R: q8 ~" m$ B
- CMP #$01 \* n# n) b7 I9 k* y. z
- BNE Track_Enemy_Continue6 p5 m# f# a% G0 {
-
7 Z! j4 \ t: [* ~5 a& z - JSR Track_Enemy_Process
$ P" S8 L" u! J+ ]4 X# O - ( G" n7 x. T9 n9 r
- Track_Enemy_Continue:
S- h1 @0 y/ X6 l - DEX3 q$ M7 D1 G$ z. S9 `
- BPL Track_Enemy_Begin( C1 N8 k) u: p* [) y
- RTS
& i# N2 J& G& l4 O8 C
- B7 }% {/ L2 q4 e& p- ;普通关卡
z) R8 h5 P, k5 ]" w( q1 ? - Track_Enemy_Process:+ c; |" [ w* ?+ k% z) o3 ^/ n @
- LDA Track_Enemy_Index,X3 G5 q& j9 K2 A/ N
- CMP Enemy_Index1 }' U+ W5 `8 @. D# y) r( a7 \
- BNE Track_Enemy_End$ w |5 _2 e2 H7 S
- LDY Enemy_Index
& S$ O. e8 y8 Z, \0 z - JSR Track_Enemy_Y3 z# f" H! i7 K6 i# |9 }1 \
- LDY Enemy_Index
. r7 A! u* h. {8 Z/ H' w ? - JSR Track_Enemy_X9 @# j) g- {# o5 |3 ]
- Track_Enemy_End:8 ?/ o5 W& i3 ]/ m1 X- b7 {
- RTS
' I/ i$ }0 [! m- N1 Q, j -
8 `* x! |, ^! r' o1 N) F* e - Track_Enemy_Y:
8 T4 t' Q/ r- L - SEC
) m* r5 v+ W5 r4 o - LDA Bullet_Y_Pos,X9 S F6 s7 O0 F+ r& y
- SBC Enemy_Y_Pos,Y" h" |: c* L- E+ m Y
- BEQ Track_Enemy_Y_Equal
! }6 C$ U q3 f" H/ j" g - BCS Track_Enemy_Y_Greater+ v! y6 m {; d( o5 `4 B2 K, m
- * A; z! s2 z/ x) ^- z0 I
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
0 p3 j" O4 |3 x' N) ? - CMP #$FC
; r1 g5 {3 I8 M9 W. B: k, J2 i - BCC L1_1/ G, x: c! Z5 i" Z; A9 |3 p
- CMP #$FE
8 l6 }+ y- Z1 M+ P* j$ Z - BCC L1_2
7 J! e3 O+ ^$ F/ B: i N* o4 I - LDA #$00
9 ~! M# s K/ [# Y* [$ B - STA Bullet_Y_Speed,X
; X# g" E5 _* Z4 [ - RTS
( R; M; e3 a8 u2 n - L1_1:
! q+ y; C) k8 @) _ - LDA Bullet_Type,X" u b$ O, [* C. x
- AND #$0F
1 Q N4 g" [" ^- R. |' l' w - TAY
# U3 y$ C% |# x3 [) L# Y - LDA Bullet_Speed_Data,Y
$ c. p- D8 J$ ~% V) S - STA Bullet_Y_Speed,X6 s" M$ |$ R# r. p
- RTS
/ ~7 v7 l, p& X" k+ J I9 f - ~" [3 T6 E& Q6 H
- L1_2:
! f; k5 l, }; M" s1 H/ {/ ^4 P) @" g - STA Data_buffer0 M3 V) z; o% l0 F% N, \! q
- LDA #$00$ f# Z2 }+ L1 |( \( o* j
- STA Data_buffer3 I8 k8 p! T5 F5 t
- LSR' Z! C# ]4 P( K% |! B6 I- p
- STA Bullet_Y_Speed,X6 ]: z* }) a P
- RTS
6 [" O9 ]4 v x1 \; J9 `. z
3 O$ }8 t$ S+ q2 W1 i- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
! k3 m' Q! u+ A5 `$ @ - CMP #$04
. f" I+ B7 @' h - BCS L2_1, i& f: U1 A4 S+ N8 ^2 b
- CMP #$041 x. P+ F" h$ A( P1 u
- BCS L2_2
/ s4 {) \$ [/ D- J! _; s1 b8 n - LDA #$00
, @4 z- R; C8 k/ r4 j - STA Bullet_Y_Speed,X$ n- v: w9 J, [2 Y4 J( E
- RTS1 |, |9 X( F5 P* `) g8 i
- - @1 g7 F; D* |! H. @
- L2_1:; `: `. F/ j2 p$ X/ d+ y* Z
- LDA Bullet_Type,X' c+ ]6 r( ^+ ~; \ L, P I) y
- AND #$0F
% Y' \1 x1 J9 Z J* V; k! i - TAY
2 f4 G: W! k. N& p6 E - LDA #$00
" B' a2 b& k+ k2 b* q3 b4 e - SBC Bullet_Speed_Data,Y# E G# V8 X" J4 r! {
- STA Bullet_Y_Speed,X9 A( I' c; A$ k) V$ j3 F/ u
- RTS
* C! w; p7 r3 H5 E - 6 n. e. G& F# H& M7 x# z. m) O* _' t
- L2_2:
4 c0 w e6 r. D* `3 x - LSR# [+ K( Z) ^0 U
- STA Data_buffer2 r- |+ a9 i8 ~, k
- LDA #$005 Z, D# v x; B) Q7 E2 U* a
- SBC Data_buffer
' C, E# G! w" Z& Q - STA Bullet_Y_Speed,X
7 K0 W4 \# P9 f+ L! J4 Z - RTS |! ]! F. Y" p( b) j- _7 c
- $ |/ Z3 {8 A) s( A6 {
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y# O% q* Y1 @# ~9 i# e9 G
- LDA #$00
, F6 I& U! l% {' H1 j* ?- y8 c - STA Bullet_Y_Speed,X
/ I3 L# v! H. M7 S6 V g - RTS
5 F: b# B$ p( `) n" Y - 7 i$ r& V4 d! v. Z
- Track_Enemy_X:
2 i7 s# Y; w4 _$ e; d& ?# ` - SEC
5 Q; \9 Z# r; e - LDA Bullet_X_Pos,X
- Z% M6 u9 r+ T5 r5 j5 d - SBC Enemy_X_Pos,Y8 s# M0 ^, |1 e& i. G+ Q
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
$ r& Q. F& A2 h" D3 @ J - BCS Track_Enemy_X_Greater ;子弹在敌人下方
* J# {9 R. u& K; q/ O) @6 t - " U9 r2 s) [; j" O' \7 w
- Track_Enemy_X_Less: ;子弹X < 敌人X) ]6 l+ r# ^+ n& b1 s
- CMP #$FC
: Y* i6 ~0 L1 G+ t7 ? - BCC L3_15 `4 y4 P# y0 |& h) e: N6 j& i
- CMP #$FE0 |/ T, x! }" ~) H7 G1 e
- BCC L3_2( K, x* ?. m) z, W2 Y* x- ~+ I
- LDA #$00
; c: v l# g2 l9 o+ ?( a$ Q: o* W8 } - STA Bullet_X_Speed,X! k6 i6 p) Y7 N: t; n
- RTS3 A% s9 r3 e) a t' R5 Q
- L3_1:
% P: j: s3 O5 ]% M$ ^! \: x7 A - LDA Bullet_Type,X$ J S( A+ ^$ n+ l, v* D5 I
- AND #$0F
( h! B& d4 ]: T - TAY, ^, n8 K2 V, X, L
- LDA Bullet_Speed_Data,Y
! J, d. G/ |6 R( P6 j - STA Bullet_X_Speed,X
$ G6 I- v: R& C4 K8 V - RTS
4 f( F6 W' M/ k& W' N - L3_2: ! n/ \; K% J: j0 n& e0 F2 W( Y2 w
- STA Data_buffer. k9 N j6 `! p; b
- LDA #$00
0 T5 r) ~/ p5 C, t j n - STA Data_buffer
+ G8 X7 D; F1 r1 ], B" o - LSR+ d' v- v# s. `8 d% t3 s0 j
- STA Bullet_X_Speed,X& w9 P* r& c% ~* k3 u0 j
- RTS" ]5 E; G- P9 R+ h' M* V, i
-
5 o: w! D! j0 h$ ]. a" l, B- ~ - Track_Enemy_X_Greater: ;子弹X > 敌人X+ c$ z$ \8 n9 ]% ]. f
- CMP #$04
! d7 X; i9 H2 j2 C2 Y ]6 F - BCS L4_1- B- D. C. n w+ p
- CMP #$02$ J4 E/ f, E: c& J! u7 L( e# r) ]
- BCS L4_2) a! B4 N1 K9 p; c+ R$ N6 |8 O1 N
- LDA #$00! V" Z3 |5 r9 I9 L5 { p
- STA Bullet_X_Speed,X- E0 y7 _1 X, v8 F
- RTS
# A: k6 m! Z/ C( n' D - 9 m" Q5 j( P$ T3 H
- L4_1:
- a& a6 v" E C* Z i) k - LDA Bullet_Type,X
" A; M: @( T6 `7 n$ { - AND #$0F
# u# H- B: {" @ - TAY: P; N9 B' {1 T. ~6 ~7 C( f+ v
- LDA #$00
% N, Q6 o# V7 g - SBC Bullet_Speed_Data,Y: W$ q2 R* N$ m
- STA Bullet_X_Speed,X! A! ?& \2 l# ]; G$ s1 G
- RTS
0 H) L# j7 W* ?- r H, V% g - L4_2:
, ~. C, K. u& v8 t7 G8 Q- t - LSR7 S3 i8 s; Z- H0 Z1 {' w2 y% Y( w
- STA Data_buffer
3 I6 l5 g' n8 W! [( z j - LDA #$00. _) q1 q9 Y, S5 ~, N* q
- SBC Data_buffer
: k0 y0 E* E3 Q, q2 A4 u3 H. { - STA Bullet_X_Speed,X" ~7 t6 g8 t7 X- Q
- RTS
, b K& v9 {% I9 o, D! f - 1 q% h: q7 |7 A; y& T+ u& p" y. y
- Track_Enemy_X_Equal: ;子弹X == 敌人X
& g6 Q0 z3 a8 n8 X- V0 ` - LDA #$006 z, q* U+ T( U% T- n z$ n
- STA Bullet_X_Speed,X4 W' C, E. Z6 B9 a' B7 ]
- RTS, h1 ~( N& [7 E: ?' u
-
7 Z9 n9 m+ ]; G5 q - Bullet_Speed_Data:2 H0 G+ g" b& Q5 Z( F) n
- .DB $00,$03,$03,$02,$03,$035 n( a2 [+ ?9 Y0 T# [0 E; v! L
- & H. a& M# ?5 S5 X% p/ \; ?+ h
- ;2, 4关0 C; X$ }6 V% P
- Track_Enemy_Ex:- g& a3 ]/ w' C; r5 `
- LDX #$0F6 @4 w1 a# Z1 D9 B& Q' Q2 {
- Track_Enemy_Ex_Begin:
2 K9 ~0 ~: Z5 e# F; S- _! J - $ c! H* d6 V6 U3 C( h3 k- |
- LDA Bullet_State,X
( L9 r- m8 J; W# H - CMP #$01
! l! J% Y/ [: C$ l+ e5 A - BNE Track_Enemy_Ex_Continue
4 t" Q+ g+ ] H ?6 }4 g - 5 }0 j# D9 z7 M7 |; f& v0 @
- LDA Track_Enemy_Index,X
! z6 f% o0 U* y6 u - CMP Enemy_Index
& N$ I" |, |- N: H: r! l - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
* S6 ^9 r$ V/ T' c6 h$ k -
7 c$ ^0 f. N! b6 `3 Y - LDY Enemy_Index! U6 Z+ s" i$ f. X# _
- JSR Track_Enemy_Ex_X
$ P1 x8 q5 ^% G* y3 D - * _' q7 w0 V/ k. w/ b* F) `1 b3 J3 m
- Track_Enemy_Ex_Continue:
( w5 G8 @0 {: X0 B - DEX9 k! [7 |/ \0 }6 |! {9 }
- BPL Track_Enemy_Ex_Begin/ B7 Q4 C* v1 R' W: n
- Track_Enemy_Ex_End:
" s% v# @7 h- a - RTS' F v. I5 x# u! T8 r0 f
- S3 z$ r- x, s% B& N ?7 p
- Track_Enemy_Ex_X:: a+ Q8 `2 f0 P
- ;LDA Bullet_Z_Pos,X4 K" e5 G8 @( ^6 _$ C# u1 M' P# U
- ;CMP #$04
9 B( j% M" p3 J2 h - ;BCC Track_Enemy_Ex_X_End; |, x, F' p! w Q6 p* L! x' D
- SEC. H1 P' k B: j) J2 }/ V
- LDA Bullet_X_Pos,X. V# f9 `& B) @. D& ~
- SBC Enemy_X_Pos,Y
# [0 m1 W* m% F - BCS Track_Enemy_Ex_X_Greater
4 N- }3 p0 |3 E2 _ -
4 ^6 R0 n" N8 q6 Q7 m9 d: i - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
/ r, S& O: m: K) o, {4 r2 _ - CMP #$FD
2 k i5 N+ o& `: W& ^3 @% a - BCS Track_Enemy_Ex_X_Less_End
/ t7 Y4 C7 {- Z) A) n! L7 k - LDA $6020,X) d- M& f$ E* D. R/ [ \
- CMP #$2A
+ Q8 F9 x/ K& Z/ U2 Q - BEQ Track_Enemy_Ex_X_Less_L1
. S$ R0 a$ Y0 W8 L/ J4 k/ B- Z* g - LDA Bullet_Z_Pos,X
1 S! A- ~- @. G& b - LSR4 S( d/ @7 W k- d+ K
- TAY0 I. r/ {1 ~: Y6 M8 N. V6 U
- LDA Bullet_Speed_Data_Ex_R,Y, c ?0 C/ H2 q) H# p
- STA Bullet_X_Speed,X
1 I7 y( [+ s0 f/ |. _2 a - RTS
6 H$ y" Q6 k1 v6 A" o6 {1 Q2 u) x! [ - Track_Enemy_Ex_X_Less_L1:4 M) L: `7 g! X" I
- / b# _1 t- G6 j
- LDA Bullet_Z_Pos,X
& o& d0 r- U+ H - LSR2 h: J8 i: E, a7 r0 {& Z \
- LSR: I; M. T+ F4 C# h B6 q4 S
- TAY. E: Q/ ]6 |! L6 m9 P1 C6 ~# a
- LDA Bullet_Speed_Data_Ex,Y4 v) g6 E8 R7 l* ^
- STA Bullet_X_Speed,X
- b" M2 Y _5 \# ?) I( S - RTS
% _$ ?; v3 {5 O8 _: k* j5 u - , A/ U+ |* o/ X7 ^) Q3 }" G
- Track_Enemy_Ex_X_Less_End:
0 P* l& H7 p, P - RTS- Z! f2 h3 X+ I& B) ]3 K9 m/ H
& n* U8 x/ b/ F) l0 ^; \: k- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X k( i" v; ^7 T4 H1 T& Z
- CMP #$03
& K/ T/ j I+ n* N - BCC Track_Enemy_Ex_X_End
" U* k3 [ e8 \# F4 Y& s - LDA $6020,X
" v5 ~; ~# l3 q7 n! e* a& G - CMP #$2A! }$ y; Z; F4 u4 f3 s( r
- BEQ Track_Enemy_Ex_X_Greater_L1
; U6 O L% ^! V2 H/ A1 w+ | - LDA Bullet_Z_Pos,X: |. a% M; H, {2 @ ?& X7 K" |
- LSR; ]5 k: T* ]' Q: |3 _6 }& t
- TAY; ?/ K- m5 O9 |$ i
- LDA #$00
3 b& j# n [6 `1 j( I! T; l - SEC' Y! G+ v; Y* v' H) a% J. O
- SBC Bullet_Speed_Data_Ex_R,Y& {' ^4 w2 r; p
- STA Bullet_X_Speed,X
5 L- }: y3 X8 _ - RTS: J9 q4 _6 ] _2 Q3 `. z
-
2 p* ^; x( [( { - Track_Enemy_Ex_X_Greater_L1: p4 ~/ R6 h3 q/ n
- LDA Bullet_Z_Pos,X
( a9 [: x- Y; X& ]- u - LSR
, _% p2 F5 e5 X+ Q - LSR0 c/ N$ ^2 T8 |5 F% ^6 h
- TAY+ Y$ {. c M# K" |" ?
- LDA #$00) A; i) F) e3 F% p1 ?" v4 E" [
- SEC6 y* Z9 s: o: h6 |; q
- SBC Bullet_Speed_Data_Ex,Y
. Q6 e9 q( x( j t) E3 ]; ]) {/ k - STA Bullet_X_Speed,X5 b* ~ A: j& }" o
- RTS
$ T' |; V. d5 P* ?6 c -
, @$ Q) C. t0 u6 B - Track_Enemy_Ex_X_End:
' s- {5 O5 ?$ P4 t1 K2 B% f4 p - RTS
+ l3 G; B7 I M. ~1 ^: ?0 \6 D -
R$ D0 T: {2 k$ g - ;Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:23(纵向)24(横向)25(右下)+ i$ n$ ^1 f+ l; u1 T. L& l' ~$ i
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上4 i! v6 P% F' }% x# D) @
- Bullet_Tract_Direction:
! e+ Q5 g6 z% f+ y9 x, D) e: | - LDA Bullet_Icon,X( N9 b. g, x9 I" t' J. k" f' |
- CMP #$23% {: k" N8 V' a9 c" F/ z( J0 Q
- BCC Bullet_Tract_Direction_End
3 B" \# b' W7 D: W. z - # S5 B# Y2 @- }5 w: c5 v8 J
- ; X != 0
Z Q1 L$ j6 `" T7 w3 K - LDA Bullet_X_Speed,X3 v- k1 {9 L2 M5 B, ~% j5 E1 Q
- BEQ Bullet_Direction_V
! Z% M- d8 _( r3 [% o& t - " O$ n) `' V2 `2 a2 |
- LDA Bullet_Y_Speed,X- B3 M- K% ~, u( G' |( j
- BEQ Bullet_Direction_H
1 O' h# ]+ C1 m4 x5 [; o7 A -
7 \6 I8 N$ ]8 [2 J - LDA Bullet_X_Speed,X
$ x" I2 C% Y+ }7 [$ P: z - BPL Bullet_Tract_Direction_Right. `& x1 v$ v; _( I9 o
- Bullet_Tract_Direction_Left:% J8 E: H M: L) \( ]
- LDA Bullet_Y_Speed,X$ O# l; v7 E* S! d) B0 X( }
- BMI Bullet_Direction_Left_Top
/ F) I& U, Q! Z ?. t8 n - BPL Bullet_Direction_Left_Down }4 i# h0 G; h; X, v* |
- Bullet_Tract_Direction_Right:
, b! m; \2 [6 x% f0 x$ U- } ?+ ^* ^ - LDA Bullet_Y_Speed,X
- |% D0 `2 S0 x0 C2 f0 j# p - BMI Bullet_Direction_Right_Top
8 A7 w3 [2 ~3 j2 c. }9 V- G - BPL Bullet_Direction_Right_Down
( Y( b; ^' R( O/ y6 _ - Bullet_Tract_Direction_End:! U( n: @+ C0 v
- RTS
- M$ W: e t7 E - ! [; x$ U* s# }3 U3 [
- Bullet_Direction_Left_Top:3 ]8 G- E# S& `
- LDA #$25% G N" `7 {4 M I# V
- STA Bullet_Icon,X
) u; }* u8 m, S0 z4 s8 L2 _ - LDA #$C0& X" l6 S# c9 H* x6 u4 [* U- Q
- STA Bullet_Direction,X
: A& o7 L7 i3 S8 j - RTS1 V! V" ?1 N1 v. z; |
- $ |9 O: }" w4 F) Q! V) Y. Z
- Bullet_Direction_Left_Down:6 O5 d1 `" i8 |0 l4 [6 N5 n
- LDA #$25
4 R' L: E* P2 g+ W2 K3 s - STA Bullet_Icon,X
* U2 I' r( {3 \& ~: i; t+ f/ S+ B - LDA #$40
' q% [5 c$ ?' g - STA Bullet_Direction,X6 C' ]2 x7 m! Y, p. Y5 G& Q
- RTS
3 S; U0 m* w+ m" ~( k; O$ ?8 d5 n - 7 b, }; V' r7 D. _ T
- Bullet_Direction_Right_Top:- j# |. m; [# f( f* l' o
- LDA #$259 B9 b9 G3 t& x" ]- h& s
- STA Bullet_Icon,X8 @4 M) ~8 A2 o* T& ^: [( a2 p
- LDA #$80$ G# g8 X% `7 |' \9 q6 X
- STA Bullet_Direction,X2 l% ?5 ]( {0 k, P( p; h7 L
- RTS5 _, h: z P$ \! k
- 3 X3 Q/ L2 e* b% U2 o
- Bullet_Direction_Right_Down:
& k& R2 w9 v1 [8 u" `! H+ ` - LDA #$252 ~2 G0 S1 B& I
- STA Bullet_Icon,X
8 w6 E. q5 q* g! X! j- t, t, H - LDA #$00% m+ H9 f7 Y) A1 h
- STA Bullet_Direction,X- b2 D0 O* c" g# ?
- RTS
* \8 y" ?* ` z6 W/ U% w; P: Y
( K" w$ Z2 w8 i$ [- Bullet_Direction_H:
! S: \* a5 [% _$ P - LDA #$24 I' l/ J. T3 U, n. Q; {# I& a3 d# @* o
- STA Bullet_Icon,X
* S r/ a i1 z' n- C" \ - LDA #$00! j& X/ B% D8 b* q- _/ S( V" `( N% j
- STA Bullet_Direction,X9 E. @( i* Z, Z% G0 o/ m
- RTS* J7 F! N! U; P! O0 X+ g$ u# M
& W) H. U( S% z. m) u- Bullet_Direction_V:% v& K, W: v+ U- x" Y- ?
- LDA #$23 Q, |2 n8 a7 s1 Z& S u
- STA Bullet_Icon,X
) K8 b0 d) `+ a8 N, j - LDA #$005 G& |* u. b5 a5 t/ y& f
- STA Bullet_Direction,X& [7 j& G- s) w, v
- RTS6 W( d& R/ t2 S0 I. W9 [
2 C* n4 X" m7 M5 s- Bullet_Speed_Data_Ex:
) ~- k8 k1 }, K3 w% I: Z9 P$ Q3 j - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04/ _% |2 ^: D, y/ d/ e0 W" ?+ E
-
; W( N7 g" @$ c8 Q/ y. o5 f - Bullet_Speed_Data_Ex_R:
- R" A4 r0 k. m# N& e7 a( p - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
' u; D1 |3 R J2 N4 r. U -
复制代码
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