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[FC][魂斗罗][J][追踪弹]4 b8 v4 V8 {# R( f* [0 S
/ R# y* y8 W: \/ |, Y E8 T- x时间:2023.04.30
. H7 y3 W6 {0 L8 x, I: _作者:FlameCyclone3 }) q/ {* q. _6 O3 l9 h
内容:
( A E* d B6 _1 j/ }& _ 1. 所有子弹追踪敌人
/ T* @( G& M' r 2. 选择键切换武器. h( V7 P* V2 _
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
, Y0 I8 U( M I6 j
- R1 N/ {& T( O' x' f! ^* Pflamecyclone.ys168.com
s7 Q8 U9 v B/ W: [1 z * F( i$ X1 ^9 h+ {& k8 \
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁. S# q* v9 B7 ~. I! O4 |
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L, D1 S4 `0 d; X; {$ C
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)) ~) t$ }" E n- N
- # t6 z( N4 P: H' ~: _5 e/ 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)
8 }% n; h, D5 q% y8 Y: b3 x - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
( L( G- q1 v1 l1 C$ v4 b" ]5 n( b
/ s" S" t1 q0 o |& A/ ]4 ]- Track_Enemy_Index = $60002 @' v2 |( j# W, W
- Enemy_Index_Begin = $6010' y" |) B$ w: \, [8 L* L& g- R
- Enemy_Index_End = $6011; c3 B4 V8 c6 y
; K1 q1 h' ?$ p' E% e, H# h- U0 H3 |- Loop_Index_I = $6012% k+ h* ?2 T0 B5 S& ]) T
- Loop_Index_J = $6013
( E. N j' O0 c! K - nEnemyIndex = $6014; M* V8 V5 s8 z
- Data_buffer = $6015
6 y' Q- _3 L4 S* }5 q! H
" s5 h l0 \/ Q4 I- Bullet_Y_Pos = $03B8 ;子弹垂直坐标, p7 D1 l, H& B% P6 d4 R
- Bullet_X_Pos = $03C8 ;子弹水平坐标
& H/ J% M( h _5 w8 G - Bullet_Y_Speed = $03F8 ;子弹垂直速度& ]4 G8 B6 Z% C4 z5 t
- Bullet_X_Speed = $0408 ;子弹水平速度
0 o! R$ J# C6 C - Bullet_Z_Pos = $0418 ;子弹Z坐标; `7 N! w+ e) G% J. U9 V+ x
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P* ?( F$ q+ ]$ e1 a# l
- - M/ s0 \% h6 A8 |9 s& H# m& j# v7 a
- 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
' K# d* `, ]1 f1 Z0 F# F - Enemy_Blood = $0598 ;敌人血量
) G% x4 i1 T- h- p& v$ d+ C7 q% j& v - Enemy_Type_Addr = $0528 ;敌人类型
% T: R2 Y* G5 f2 d - Enemy_Blood_Addr = $0578 ;敌人血量/ x* R' g0 D; T: k) ^
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
7 Z# g$ q/ D; c' j8 { - Enemy_X_Pos = $033E ;敌人水平坐标8 o L, v: l. c
- Enemy_Y_Speed = $04E8 ;敌人垂直速度
4 X" G3 {1 w2 C- U - 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, O, f) s% ]( A. f9 ^: }, E
- t* H! t4 b' Q+ Y: H. F
- Enemy_Index = $83 ;9 z; Y1 D- p% \6 j
- Time_Count = $1A
! {% f- R4 O; M9 V2 ~/ L& |7 X - Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, J0 E. w$ x2 @ - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
& Q A, ?+ C; Y) S( h+ Z - , t: ^7 y U- s
$ F8 M( y H& ~3 K- .ORG $6100
4 q: h U" {- Y6 K6 C, t - Process_Begin:
- O' I3 R2 o7 e4 h - JSR Enemy_Check
9 z. A7 s2 J( W; [+ O9 w0 G7 \ - JSR Track_Enemy_Check) ^- x! v2 _+ ^9 c r
- Process_End:
( V: Y" J" k* j% V - JMP $E54F2 r2 K: q0 \" R+ d
$ ? g5 [" n+ H3 U' Q+ q( Q& e- Enemy_Check:& J4 w9 k ?1 u2 Z- G' x
- LDA Time_Count. B- Y! t; F; M* A
- AND #Track_Bullet_Speed# M) c4 S8 l' e, @; n
- CMP #Track_Bullet_Speed4 n0 W; R9 |% L
- BNE Enemy_Check_End" Y( H" B. y2 C& k. Q' A" T
- LDX #$0F6 W( e! m2 y. C6 Q
- Enemy_Check_Begin:2 {# y9 e h q2 x5 R# r
- LDA Enemy_State,X2 }2 T" E6 ]3 C* @7 e' b H
- BEQ Enemy_Check_Continue
' u. L" r, Y2 k3 K a5 w5 F% q - STX Enemy_Index/ F# G2 n0 A" S
- JSR Find_Begin_Enemy
" l* N0 `' H5 a. T0 h, M - JSR Find_End_Enemy
* A) u& ]0 Y$ D( b5 A9 L - JSR Bullet_Track. b1 v& j r& V6 r* ^4 P
-
% O3 s/ g/ r. F4 Z% Y! ]7 N - LDX Enemy_Index
' M9 Y2 `) {2 ~8 ~7 W0 K. `( ~ - Enemy_Check_Continue:
7 c5 |* U2 L1 {; P* ]0 ]9 ? - DEX, V- ^1 c4 p4 {. i0 E8 w6 z
- BPL Enemy_Check_Begin- R+ T1 b3 O7 H* F2 x: C6 q
- Enemy_Check_End:
`9 t8 Y g( ^- N9 R' ` - RTS
3 S& u' b! h% c, m -
5 d2 }- w. |0 _# k; y - Track_Enemy_Check:4 e' T0 J9 C! ~" n
- LDA Time_Count
& x# w! @ X4 N. I: |$ G - AND #Track_Enemy_Speed! g5 f4 \/ G' P3 c* O
- CMP #Track_Enemy_Speed) o# p) K$ s" H8 ~# i
- BNE Track_Enemy_Check_End
# _- o; Q+ `1 c+ n" D - LDX #$0F! \# }: ]' w# ?1 j
- Track_Enemy_Check_Begin: }' p& y; |' d& R& W
- LDA Enemy_State,X; O2 [! |0 M( S7 Z j
- BEQ Track_Enemy_Check_Continue
, {: c! E. ~9 j# X. n! t - STX Enemy_Index
9 p: L6 Y- f7 K6 v {% k -
5 Q4 |; W; N3 E- R; g) r - LDA $400 |) |9 {0 m3 @. |3 M W6 y
- LSR8 V c7 l9 f# j
- BCC Track_Enemy_Check_Begin_L1% |/ G2 i( |$ U. @; P- ^- B
-
- k2 N, q" c7 v4 V; @, m - JSR Track_Enemy_Ex ;2, 40 M! f7 [3 u R% l3 s6 x" O+ j- D
- LDA #$00
* X; G# v5 F ~" `( t - BEQ Track_Enemy_Check_Begin_L2# m5 e4 C4 w2 ~. M8 _/ ]; K A
-
; T% l- M5 m6 W9 U( S! `1 S - Track_Enemy_Check_Begin_L1:& u! k9 d8 J: g6 @
-
* s+ @$ f# v2 ?- L - JSR Track_Enemy4 a& p' p! @9 I
# ~- a3 ?( f; ]& j9 Q- Track_Enemy_Check_Begin_L2:
+ V$ G( L y H" H7 f. X -
3 U8 [6 t9 S* a5 N - LDX Enemy_Index
# w% S9 G) _) I( r! t8 S% R - Track_Enemy_Check_Continue:. J3 n4 ^# T0 ^
- DEX
4 |4 e \( q5 Y7 }9 R( T3 i - BPL Track_Enemy_Check_Begin
' n# B& ~; F2 }2 q - Track_Enemy_Check_End:
' B' j$ t1 g7 _0 L) m - RTS# a0 G7 P1 ~- k6 X0 ]% F0 `% b
\% c% P6 u6 \& r3 e" i! Q- $ R$ O2 ?5 X2 o
- ;查找第一个敌人
, e; t5 o: u# u+ } - Find_Begin_Enemy:6 h- [* s& Y, K* B" u2 }- c
- LDX #$00
/ |( h7 I% n( S A r3 {7 [: K4 y - Find_Begin_Enemy_Check:
( j' M% @; y! ~+ D' d2 t3 e6 _6 c - LDA Enemy_State,X
& d( G t) e4 F7 E L8 p - BEQ Find_Begin_Enemy_Check_Continue/ X8 p& j, C; Q
- LDA Enemy_Blood,X8 V1 y2 K' c2 c% E+ U1 K! s% X
- BMI Find_Begin_Enemy_Check_Continue; n( r" v$ `: D
- BNE Find_Begin_Enemy_End
3 ?2 }5 r0 a# K2 D' \& ^" M6 X: L -
3 j. y7 E+ k, @- X4 y - Find_Begin_Enemy_Check_Continue:6 W& v5 G" z& @9 b/ T" I
- INX
3 C- A! Y0 e @- a5 w! b& c - CPX #$10! U+ u& E% }8 U( z$ b
- BCC Find_Begin_Enemy_Check
v# j) h+ g$ I, B# D( h6 }# O' g8 c - Find_Begin_Enemy_End:6 I8 G: P- F# z
- STX Enemy_Index_Begin
/ y. ?+ f& T3 c - RTS' x/ D9 H6 t q! G0 }
- ^/ Q: c4 c/ ~9 k7 Y# O! f( t
- ;查找最后一个敌人; [* P7 N* \6 ^# a
- Find_End_Enemy:1 C1 u7 @0 M( x2 t' V
- LDX #$0F: v- F+ R% i0 C9 @ h. ^! W( n
- Find_End_Enemy_Check:4 z7 ~1 c( f6 e- W/ n9 p
- LDA Enemy_State,X
. p, t4 `7 C) N( E0 [4 u! U4 E8 K - BEQ Find_End_Enemy_Check_Continue4 `8 z9 ]0 [2 e# W$ A0 |+ i. g
- LDA Enemy_Blood,X* h* x; x Z5 m) c7 X4 y* r# P& _
- BMI Find_End_Enemy_Check_Continue- u. a# R% Z# y0 d9 M7 D4 K% T0 x3 ]
- BNE Find_End_Enemy_End
" X* Y3 M2 P: l* q$ z6 B - . j" k5 o. w) g
- Find_End_Enemy_Check_Continue:
' h* L: Z n3 B0 D3 m( G: J - DEX
+ X9 \7 _. _; s - BPL Find_End_Enemy_Check
$ C5 L' m: k6 _* I1 I( M - Find_End_Enemy_End:6 G( B% T$ Q2 k1 g2 t
- STX Enemy_Index_End5 N4 g' I$ [) H f
- RTS6 Z( T4 n: D7 ~8 a6 X8 M' F
+ X9 f1 M% n. n- ;子弹追踪
9 N6 h( R0 V" | - Bullet_Track:% h2 `* @& X/ o1 H" I
- LDA Enemy_Index_Begin
* x8 N* k6 b$ u/ K4 |% z+ D - STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;, |4 f1 m; _! Q r2 L% j: i
- LDX #$00 $ T3 B0 u+ E. m. m/ W" R
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
8 Q# \( d8 X9 m3 z8 t - LDA Bullet_State,X
' }, E5 n3 w6 c8 n- I* U: u - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
% ^$ [" Q1 W% Q. w7 b - STX Loop_Index_I
" m9 P% u4 e2 h, I2 N. v - ( S7 U, `6 U$ g [* N
- JSR Bullet_Track_Enemy; C. K" L5 {8 v$ h
- JSR Bullet_Tract_Direction
) w$ \# Z, P9 ^/ n5 |) F0 U -
7 _& c# E+ B: X9 }9 W2 U - ;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
1 _8 {* J5 z2 R. r! @- ^ - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;0 k3 a1 ^: O7 Z; l9 H$ Z
- LDA nEnemyIndex
/ A! K. @- H; ~0 U - CMP Enemy_Index_End6 X( l+ Q6 ^$ Q' h. V; m; \" ]
- BEQ Bullet_Track_Check_Continue
( Q7 P9 ]' Z6 F; C9 R - BCC Bullet_Track_Check_Continue
3 C( x- S! j& w9 z - LDA Enemy_Index_Begin6 `2 Y; ?+ E5 { ~0 _" m
- STA nEnemyIndex4 D d5 l, Z* e& @3 C/ A
-
. s* J6 K$ q" B& f - Bullet_Track_Check_Continue:
5 ?; U0 m" ^1 i - LDX Loop_Index_I8 O: I/ H2 ^8 L! Q) c& A
- Bullet_Track_Check_End:- |. h. e) Y' W# [0 \% u
- INX1 H" H! L% t2 P" d0 k
- CPX #$109 ]/ D& W- v7 X/ _0 L E
- BCC Bullet_Track_Check
# x. \- T% y8 \. {" Y# H - Bullet_Track_End:
* r* Y0 s" T6 ^" J; z* ` - RTS
$ G2 y7 H" B* S3 D' w( t7 u3 t - h& }9 x0 ?3 e2 N2 o
- ;给敌人分配子弹
# N( w7 y! T0 W+ V& ]: [6 x& q5 a - Bullet_Track_Enemy:
" b0 e* T l$ g; p, {6 k* N: V) o1 t - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)# t( W- c* S7 K4 j6 u- ~
- Bullet_Track_Enemy_Check:
% R# q5 G' C$ a6 |( F/ Y& _3 C - STX Loop_Index_J5 F* m0 L( v9 ^% a {9 u* R) W
- & }0 R' }2 i& W3 E1 _
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
' ?9 F* ?1 k2 ?0 {6 H1 q - LDA Enemy_State,X
: Z8 r0 d G1 I! w - BEQ Bullet_Track_Enemy_Check_Continue& P- z6 P' w8 [- p* }. U: G
- LDA Enemy_Blood,X
5 G% K# y6 t8 X- Z - BMI Bullet_Track_Enemy_Check_Continue @ W/ G8 D& y4 {$ Z& F
-
2 N) z5 b& x- l, E - LDX Loop_Index_I' A3 s! r/ K/ K6 V/ [
- LDA Track_Enemy_Index,X
~. @, r, U: g6 A( A - CMP #$FF5 n: z7 p* e/ k. z _
- BEQ Bullet_Track_Enemy_Init8 e5 O# s. Q) Y D& u! X' N
- 7 a! y+ R# r& A
- Bullet_Track_Enemy_Init:
% D- m- S3 b e; V. Q( r/ G% d5 F8 t1 M - LDA Loop_Index_J: _* j8 ~4 z% r7 @: q3 c( x; v
- STA Track_Enemy_Index,X ;nTrack[i] = j;
; I& `3 ~( ^# a; s7 p, S6 f: g - # S+ A4 c: W0 e7 O1 ], k
- STA nEnemyIndex/ Y+ i1 U7 l2 t
- INC nEnemyIndex ;nEnemyIndex = j + 1;
H: f0 ]8 U6 M4 q3 t% R9 } - RTS ;break;
& U0 \8 U! x: |, r3 l! I
% S; ~7 v! u! C0 n: t( R- Bullet_Track_Enemy_Check_Continue:# W( ?! [/ n$ J! H. u9 D( u# t
- LDX Loop_Index_J+ n. n) C" E( W5 |* D) H7 B
- INX ;j++2 g g& ~3 y+ [9 Z0 u5 l4 v
- CPX Enemy_Index_End
5 i0 R8 j! _% ~4 C; L - BEQ Bullet_Track_Enemy_Check i2 `; F1 M) A0 D% I( i
- BCC Bullet_Track_Enemy_Check5 B( j! l" U1 K$ W
- Bullet_Track_Enemy_End:4 o# b& v: S# W% l9 b
- RTS
- z+ s* C3 v4 p/ r9 L4 D# Z - 4 o. x5 H3 Z/ `: t
- Track_Enemy:5 F% g! }! P# [, z* ~
- LDX #$0F! Q' Z0 |8 n6 T" Y* C
- Track_Enemy_Begin:
8 u+ K9 Z% V" O1 ^% N - LDA Bullet_Icon,X3 \ }$ B% I6 f. w
- BEQ Track_Enemy_Continue
7 s: w1 t# ?! v ` - LDA Bullet_State,X) M [' p% w2 I* c3 [/ w4 j
- CMP #$01) b* ]) k+ }8 P
- BNE Track_Enemy_Continue
& D8 c8 h# V3 y4 B, `' H) Q. L& w - - j% ^% l0 d2 L7 ~* F
- JSR Track_Enemy_Process
7 D' J/ \5 {# C& X6 [4 e - ! c; Q( w Q$ l* X. L
- Track_Enemy_Continue:- {9 s% g/ x# P1 C \ e- F0 D6 ]# g
- DEX
2 j! z+ s0 [! n - BPL Track_Enemy_Begin$ Z; _$ c" M, `
- RTS9 S6 K3 p/ L& j! f7 E+ i8 J
- $ U: C, `0 r, z0 k3 {
- ;普通关卡
" `9 x! `. j0 h; k- v/ I - Track_Enemy_Process:; {& U6 B x9 y9 `6 z4 U
- LDA Track_Enemy_Index,X2 w; J# S% n" X+ u4 S/ Z2 t0 W
- CMP Enemy_Index
; ?9 c; n8 `! V" Z ` - BNE Track_Enemy_End
6 ?) N2 o0 a- t! Y* g5 a - LDY Enemy_Index) P H! ]8 z% V/ Q- I u' `
- JSR Track_Enemy_Y9 z& b* H% ?4 }- q: s
- LDY Enemy_Index
$ e# k- e9 D3 G! e - JSR Track_Enemy_X; J$ a L2 k- x7 s* S, M
- Track_Enemy_End:
# Z; i: R1 w% Y6 U- W. E: K - RTS$ a; w- u5 f( V9 p5 M, w5 S) _
-
7 ~% ~' C7 ?# h b - Track_Enemy_Y:
7 f5 N, w4 o, |+ i& ` - SEC' p8 u# R* a$ v# A4 l) m
- LDA Bullet_Y_Pos,X! E7 ?5 N1 O: |( U+ S5 ^) ]
- SBC Enemy_Y_Pos,Y, t7 ]; _8 Z' w9 {, ?; c2 k
- BEQ Track_Enemy_Y_Equal
" M9 P* v" `8 s! P- |7 T: z: } - BCS Track_Enemy_Y_Greater
2 [ M5 u2 h& g4 L3 K9 `0 b+ i% k) H -
/ i7 Y* q1 F; L$ z, W - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
/ Z2 }3 f4 t: J3 f& l4 o9 P - CMP #$FC! O* e, b+ G) x# a( B r
- BCC L1_16 i+ p' h8 j3 ]( @0 O; L$ a9 \ Y2 z
- CMP #$FE& i0 _3 A4 N o5 ?% V. w- m
- BCC L1_2& A, p0 X5 r. v" [4 B
- LDA #$00
6 `. {+ P" T" h( Q- C - STA Bullet_Y_Speed,X ]7 ^6 Y9 k8 N/ d
- RTS' U& x+ J9 v3 P r1 d' _5 ?
- L1_1: " f) f [- X# y9 j" |
- LDA Bullet_Type,X
2 x( d+ ]5 O9 I1 }. D+ z6 @6 s - AND #$0F, ]8 j- ] f+ I0 D0 f ?, a
- TAY4 F8 T9 k) ?+ s* r7 h0 M% \
- LDA Bullet_Speed_Data,Y6 i) _$ W( @! W# c: P2 y& k
- STA Bullet_Y_Speed,X/ t" @0 a0 }8 @" H* d! u! S$ ?
- RTS
7 s! l& ~: W& {2 M" R7 N - % D3 i9 V" E+ |4 W! x
- L1_2:
( b# R0 _$ \! x# T8 \4 M/ c - STA Data_buffer
% E: b k5 _: l8 F. _: A5 W - LDA #$00
$ j$ A, u: |* o: O2 q8 m3 ? - STA Data_buffer
$ d7 q: k9 p6 M$ ]1 z - LSR" h5 i7 z+ [, W" I9 @7 d( N
- STA Bullet_Y_Speed,X' {! z9 H. R3 [7 k/ B0 i) ~
- RTS
# M% Z8 K) v9 j2 p: i
9 Q+ f% @) U' k7 y- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
' j2 e- B# _+ F- r - CMP #$04# H( `, L) f: F3 E4 E& ^+ L. J
- BCS L2_1
) w+ f/ r ~2 |- Y& g - CMP #$042 s) }# ]3 j m5 d8 ?
- BCS L2_2
8 m1 n6 U* w% y9 \6 Z5 s8 A - LDA #$00( W9 {# E1 e+ _9 _( M6 w# h$ s2 W. ^
- STA Bullet_Y_Speed,X. y: K+ M9 M% b* i" b1 W
- RTS
4 Z F) G( n/ n2 z* N9 R - ; r2 k1 s0 D G3 z- \; t
- L2_1:# j; m8 l. I1 u5 F& G
- LDA Bullet_Type,X
" l1 S7 s$ g5 C* e9 q) r5 A3 V - AND #$0F
6 s8 s3 w( y- ^9 b' b0 U - TAY
; p! N( j" Z8 j( g# _ K - LDA #$00
- @5 ?1 H( e3 A( {$ L9 N1 K - SBC Bullet_Speed_Data,Y! k5 J2 n1 e) X( h% A+ U4 v! P9 c7 B6 I& L
- STA Bullet_Y_Speed,X
; d: ^, A7 t* C) L. f+ o% V. d" l - RTS. D0 w1 y; k2 B" j
-
% T9 g4 ~$ X" g. e - L2_2:
! c# ]4 Y- w. w+ [( c - LSR
6 o- Z; {" V# w2 s - STA Data_buffer
# H& Y& y; [ I* I4 @% }# I5 } - LDA #$00
- P* w- V1 ~8 w. {( `9 ~8 o+ ? - SBC Data_buffer
% f) d$ _ z2 o: G; S - STA Bullet_Y_Speed,X# u9 c! ]& G2 X- u; f
- RTS$ r1 G- {4 g% I/ S3 D v7 n
- ! _4 n( B. k4 |8 g: q4 F3 m5 P
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y& J* ]. s7 B& ]# c! ~
- LDA #$00* ?+ ?, j' }: h @3 F; M- i+ r/ G% ^
- STA Bullet_Y_Speed,X
3 S; D, I& S% T0 e4 l - RTS/ c2 T1 k+ e" T8 \
-
& D }* s: I7 H: o9 U! j+ p - Track_Enemy_X:
: L) L5 x) f* U! z - SEC, W! w, T# V8 S% L
- LDA Bullet_X_Pos,X
3 ^5 b8 }/ d0 D: b: `7 v - SBC Enemy_X_Pos,Y
, ?" w1 t3 ~8 E4 n j3 q n" g - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
) h" J; M2 P" U, h5 n+ g" X4 f f% h - BCS Track_Enemy_X_Greater ;子弹在敌人下方
. C2 \3 R8 v! s1 g& a& j9 D - 2 ?, l6 b: x3 u9 Y' P' w! ]( j
- Track_Enemy_X_Less: ;子弹X < 敌人X
; E' ^3 m/ ` n9 c - CMP #$FC
0 N1 G( |" h8 y0 E D - BCC L3_1
) X5 M* e* v- \; }$ N; Y/ x - CMP #$FE
; x2 E1 r, u: B/ c0 K: p, ? - BCC L3_2
9 o+ {* k* {9 K - LDA #$00( {9 t, y3 S" x/ _% P
- STA Bullet_X_Speed,X
) R$ N, M5 a! Q, e, d - RTS. `2 |1 l" U5 C/ I; _
- L3_1:
( \6 v/ t; F2 S" U l - LDA Bullet_Type,X6 z, i+ y" s# V0 Q- ^
- AND #$0F$ A# E9 l! C b* v
- TAY
& L' e4 M* |/ k% I* o - LDA Bullet_Speed_Data,Y
1 D3 X- z6 t9 w" P - STA Bullet_X_Speed,X
( Q: S# s. N H0 M) ^( R - RTS; [1 p! v/ F k7 r% x# W/ ]( s
- L3_2:
- k& `' N9 g8 r; D - STA Data_buffer
4 }: r5 b8 s b! E$ Z6 K - LDA #$00
i6 l* R5 R& V5 ?0 N2 G6 | - STA Data_buffer |7 N; a8 K) E) v; W2 O
- LSR" p9 c, D2 b* o* k5 f8 o+ f8 o, k
- STA Bullet_X_Speed,X8 x5 y& m& o4 D* I
- RTS: p2 u" J- d0 c) m+ S
- 7 x+ j- O! C4 H; d* S
- Track_Enemy_X_Greater: ;子弹X > 敌人X
2 R" \6 h) H2 r+ y( b - CMP #$04
# n( O8 o( G1 B9 Y( Z - BCS L4_1
( a$ z" t- G: y2 ~5 b3 ?- @- j) u4 g - CMP #$02
; ?5 i* [8 v V- _ - BCS L4_29 r: _ G* X8 c- Z" a
- LDA #$00+ M/ y: r( A1 G" Q" P$ `
- STA Bullet_X_Speed,X
2 C3 G6 a8 D+ A5 W - RTS3 B( @) r/ r% @8 i2 R! R
- ' e2 }6 ]* v8 r4 I
- L4_1: ( N- v( h+ Q) B5 S8 c- ^5 C3 e
- LDA Bullet_Type,X/ z) m1 u" w5 n% B/ ?1 Q# ~
- AND #$0F/ K6 ?$ [, i: j- o: a$ a
- TAY x# o! H! Y4 I" ^
- LDA #$00
1 G$ E$ q% n7 } - SBC Bullet_Speed_Data,Y
& s! R5 E' h. Y2 v. p e - STA Bullet_X_Speed,X
" S3 k j" c: a% L; j8 W) f - RTS
8 e9 x6 \0 ?# ^7 G( b - L4_2:
# P, K- M3 T' ]# s7 a: P, }: b - LSR5 K; U) N/ ]* O2 P6 p5 s
- STA Data_buffer: F1 V4 `% e* ]/ E h7 m
- LDA #$00
* E- L- F; t9 A8 x - SBC Data_buffer
* v2 ^/ G# f+ I; P - STA Bullet_X_Speed,X
) ?7 k Y3 h2 d/ Y0 D; H- L - RTS, W9 l6 [1 Z `2 C+ b4 {
-
3 J- T# m; v, Z3 |, l6 b3 h" S - Track_Enemy_X_Equal: ;子弹X == 敌人X
+ U' q4 F9 i) x - LDA #$00
) Z: y$ f0 B# j) L - STA Bullet_X_Speed,X
5 q/ i9 }7 f: p- ~2 C$ j8 V - RTS
0 b; g' Q$ }6 Y( o" z1 r9 p" G -
, o7 b& z. ]& X, G - Bullet_Speed_Data:, `' z8 h3 n5 F1 j
- .DB $00,$03,$03,$02,$03,$036 E/ p; y/ U* v
- & E/ e. n4 ^' ?4 X
- ;2, 4关 v4 ?+ \% ]$ {$ v! A! _
- Track_Enemy_Ex:2 |) V9 _# s4 _
- LDX #$0F
; U& I" l Q& ^! Z( b: O0 m# o - Track_Enemy_Ex_Begin:
5 P7 }3 u0 i6 u2 E/ H - ) j( S" e$ `$ q" m" v
- LDA Bullet_State,X" m: ]3 c G3 {% d2 p3 U4 ^6 m* J; N
- CMP #$01
0 r5 `" @+ W: A5 o$ G - BNE Track_Enemy_Ex_Continue! C1 d* t) d4 o: q. v) `1 G
-
; M+ Z* z$ [* Y! U5 \ - LDA Track_Enemy_Index,X# C% Q5 ^3 W8 ?! C( O4 [
- CMP Enemy_Index+ o6 z. I; P" |9 i1 B5 G: M/ q
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标" J8 h+ V4 `& a7 y
-
y7 G, _! I, m7 k - LDY Enemy_Index' t0 ]3 {9 C. a
- JSR Track_Enemy_Ex_X+ @; B% [0 I8 _2 X& U( s
- 1 S7 M3 w: @( _. B( r3 I
- Track_Enemy_Ex_Continue:
$ ?; p& X4 q, ]1 O: D - DEX
5 G7 I7 n! Y# O/ d) b" q; o - BPL Track_Enemy_Ex_Begin% ?1 e1 S4 V0 w1 W
- Track_Enemy_Ex_End:
4 K6 G1 {9 e. E- k3 N6 F# h) x - RTS# g( J- N2 p! [# U
-
" s6 n6 f8 J% K- J6 i# G# k8 x0 u - Track_Enemy_Ex_X:
9 l9 M+ ?1 d N0 V1 U - ;LDA Bullet_Z_Pos,X; T0 B6 Y4 Q4 E. I* J- O0 a
- ;CMP #$04
! K4 g2 Z* Y* ?+ C6 P - ;BCC Track_Enemy_Ex_X_End
* c4 G ^# @& t: E8 W" u - SEC
. h+ ~: o) P$ p3 ?! |, A$ b; X - LDA Bullet_X_Pos,X
. o% X/ R( b6 ~6 L$ D J - SBC Enemy_X_Pos,Y }0 j/ P5 y" y5 g6 n
- BCS Track_Enemy_Ex_X_Greater( H: s, _6 x9 y \; l
- 7 i" p# X! h- u7 M: y3 x- e, c8 v
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
; p& ^' O @! H+ c0 E3 u) k - CMP #$FD, z( n5 s- T; e4 n3 U
- BCS Track_Enemy_Ex_X_Less_End
( |5 w( L6 I# O4 k - LDA $6020,X5 `4 q" \. y3 g2 M3 z0 I
- CMP #$2A2 Y% s! l9 D$ U1 P5 G6 o2 v
- BEQ Track_Enemy_Ex_X_Less_L1
* }' N% B. A! w# |: F7 C - LDA Bullet_Z_Pos,X
/ j) R6 S+ r) H ]. b5 V - LSR
3 T0 \" k" z6 g7 o0 ` - TAY y7 Y+ z4 s1 R6 L8 b! M+ h0 ?
- LDA Bullet_Speed_Data_Ex_R,Y( ]1 y" \* j" V: h; {
- STA Bullet_X_Speed,X
% N' ?% q' R. a. b; u A7 v, [: E+ ~ - RTS) i, B5 w2 w7 `- c
- Track_Enemy_Ex_X_Less_L1:
2 t# ~8 A, [4 c' |9 x
2 `! t# N, ~% t- LDA Bullet_Z_Pos,X
: c& b; S- Y8 G& m8 Z0 E - LSR7 p2 O: F" F* |# M+ g/ V1 y7 S
- LSR: l4 M. Z2 r& n- g+ Q3 D. |- I) g
- TAY
# P+ m* h+ L7 m" z3 m* I - LDA Bullet_Speed_Data_Ex,Y, ~6 u% {; t0 `# d& i$ _
- STA Bullet_X_Speed,X
1 z* q3 A) W1 h& w6 i3 J! U - RTS
& i& y! N5 ]3 Z4 L" n7 c* K) y -
" T4 K+ O( R; j K; H9 X+ V8 @ - Track_Enemy_Ex_X_Less_End:
- Q7 Q9 ?9 v0 _# h) P' a8 K - RTS# w0 \) K6 o& p2 h6 c& ^( p
3 q/ _; v O: S# b: v% v- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X2 z$ }+ s8 g: T! w& p* I
- CMP #$03% S7 _: A! \$ z% L% A8 o& A
- BCC Track_Enemy_Ex_X_End
. }; d! q- W- l5 l, c8 L - LDA $6020,X( Y7 X4 u7 k9 O9 ?
- CMP #$2A
" P6 h" |# }* s: [1 F& n; r3 L - BEQ Track_Enemy_Ex_X_Greater_L1% B! P% _! o3 |& T, i/ H6 ]
- LDA Bullet_Z_Pos,X
0 f, K% r4 K0 e) ] u3 ` - LSR* ?+ y. h: ?! r# L5 v2 A* p
- TAY5 l1 k/ i. [! f' w
- LDA #$00
& _( G. _+ _$ }/ r1 p - SEC
- b8 N/ |9 K8 {: l0 h6 R1 Q* n1 u w - SBC Bullet_Speed_Data_Ex_R,Y' N- Z7 H- C9 D) S4 ]$ z6 J6 B
- STA Bullet_X_Speed,X6 ~4 j% U+ _" W8 `
- RTS
% ]# }; U9 E6 B- U" @5 _; i9 P -
* C% ~; m2 z1 Y( R) a# v& I+ Q - Track_Enemy_Ex_X_Greater_L1
! W0 V& F: o( b. w - LDA Bullet_Z_Pos,X3 J' l4 z) a( b# p+ `
- LSR6 \% c X4 h2 w: f1 }( s
- LSR$ G2 u. s7 B: u
- TAY+ Z4 S7 r: o/ x. S! N
- LDA #$00
! m! X/ o8 i. H1 y! \ - SEC
$ i% n) n: d+ l% B - SBC Bullet_Speed_Data_Ex,Y
0 X0 a* B5 d, ]% F" t! [4 s/ J7 L - STA Bullet_X_Speed,X6 A, ?) i- L) m9 C' n0 Q
- RTS
5 G1 e; I) z% N- ?& R8 ?4 y$ X -
7 t6 b5 }, L' i: Y - Track_Enemy_Ex_X_End:# h: ?0 \9 @2 E: w
- RTS/ j" Z9 M2 W/ A1 b8 G: A& S
- 2 a" r9 S4 R, R* N2 y* h4 F
- ;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)7 o1 X3 B: Z# B4 f; c, r3 A# [2 b' X, k
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上+ Z* N! X: C0 R% |) \2 J% a, y- S
- Bullet_Tract_Direction:* x; Y0 G* e! P
- LDA Bullet_Icon,X
! U2 B( L6 L& c+ s3 A# w1 L' i/ Z - CMP #$23
4 a, E8 D. j" q/ E2 v# e - BCC Bullet_Tract_Direction_End* k1 a. ]* l2 I, O3 w x1 t
- $ N" S) `4 y- _5 m/ |3 x2 J' e$ N4 i1 l' c
- ; X != 0
- t8 C9 p, U, H' f9 N - LDA Bullet_X_Speed,X
5 W4 X* ^" Y! ] - BEQ Bullet_Direction_V
8 Q& U0 W- _; i- r4 v$ [& L -
n* n: V# G t' O$ l( a4 ` D - LDA Bullet_Y_Speed,X% k% ]8 u8 V; M+ ~; C' ?* ?7 W
- BEQ Bullet_Direction_H9 A Y) e5 r/ V1 O7 U# t
-
5 ]; ~. A' l# P; [# q0 x$ ` - LDA Bullet_X_Speed,X
9 X3 k( U/ b1 [# a - BPL Bullet_Tract_Direction_Right
& F+ `" h% v4 P5 t4 Z3 c, u' } - Bullet_Tract_Direction_Left:( g0 b* `: i1 u" ^8 p$ h" q
- LDA Bullet_Y_Speed,X
/ E2 ~$ u! U; }" @ - BMI Bullet_Direction_Left_Top
7 s% v. j5 a9 Y/ g/ X V8 z0 g - BPL Bullet_Direction_Left_Down9 N& h0 Z! {4 d0 B1 w. u
- Bullet_Tract_Direction_Right:) I4 o+ q: J+ ]( e/ G
- LDA Bullet_Y_Speed,X
' x! k) u# I% F+ F4 v4 M - BMI Bullet_Direction_Right_Top
7 f w4 U' T7 X$ @ - BPL Bullet_Direction_Right_Down
8 [2 v7 ?& T; \- f - Bullet_Tract_Direction_End:
# r! T* _; k6 h - RTS
2 l9 z6 ?& x h9 V: }" G
8 S: q% t: Q4 S) }- Bullet_Direction_Left_Top:
4 j: ~$ v: W2 O4 a7 d+ w5 W+ Z - LDA #$25
& ? c0 n- ~9 [7 C) J7 B - STA Bullet_Icon,X
% I) s! Y, R. }8 E! n0 V7 a - LDA #$C0
. L, T ~4 S/ O: f - STA Bullet_Direction,X
; W! ]. C; R5 z. A& n E. h; f5 @ - RTS5 C' y% x, ]6 y: D: X! I
! E1 J2 s# k# [# a- Bullet_Direction_Left_Down:
' x( z7 ^. I+ L( D1 O - LDA #$256 h" L& M- C- G+ p; A
- STA Bullet_Icon,X
, h& e+ G9 x E- a9 r( J/ c$ |; M - LDA #$40! ]+ m! l% |/ V3 d( T5 D" J
- STA Bullet_Direction,X+ w4 X9 K/ h3 [7 o' Y# L) P
- RTS5 X" R& K, ~7 `* F* M2 z1 ^
- ) p) \9 T5 g D {/ I, X
- Bullet_Direction_Right_Top:
2 Y% K% u4 L4 c) q* u - LDA #$254 l l1 D; v! h# { ^* N
- STA Bullet_Icon,X* {# w" [9 H* D
- LDA #$80# h% z; Y! i0 n! {; \' J8 U1 i
- STA Bullet_Direction,X
2 v' W* ?0 J. @ - RTS
9 o* x# P$ l9 g0 T% R# _
0 _& J$ n6 a5 w& ~4 n! v- Bullet_Direction_Right_Down:) Y5 t* ]: N9 H' @ u4 M
- LDA #$25
' M" t3 k0 o ` - STA Bullet_Icon,X' |8 ~# z: l& {+ v$ ?/ D$ f& e% `
- LDA #$00
1 x4 e5 v1 |* p, X - STA Bullet_Direction,X/ a( O$ L1 O/ g$ V0 V& k1 S
- RTS( y* ?/ i+ b8 n# Q# l
- ; X. Y, y q( Y/ h. [6 o0 T' K
- Bullet_Direction_H:
( V4 |6 g& v% m: m9 D* R6 |! { - LDA #$247 x& ` [& i% Y
- STA Bullet_Icon,X$ N. P7 i8 D$ @) U2 k' ?9 @
- LDA #$00" G) @2 U" q$ U' {; K$ C( ]
- STA Bullet_Direction,X
3 O$ T- ?8 `8 W4 Z" ^ - RTS0 ]# o( y4 W& O0 e. n
/ `# [. c' I' |1 T: E: B- Bullet_Direction_V:9 z* X& p; ]+ R4 a* Q/ p% T+ X
- LDA #$23! B$ I0 y! S4 |9 x F# O* Z: s4 o
- STA Bullet_Icon,X
+ Z1 b2 {8 d6 l. n/ x' e) o - LDA #$006 L; C& S: ~9 t$ ` Z. p4 ?
- STA Bullet_Direction,X
) T7 r6 C7 I. m9 j3 e+ d; K - RTS* p1 b# w- v4 z% k9 e' w6 K- H# o
g% }! a: _, d+ X o) n4 _- Bullet_Speed_Data_Ex:
) E) |3 G2 G& N - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$044 @& x! u' g/ N! C' [) F
- , R8 P5 T5 G$ S4 N0 K+ i0 A& i& G
- Bullet_Speed_Data_Ex_R:1 p( p6 F( R1 j# e
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
* g( @6 z6 f3 X% }# T -
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: U* B2 t" T- H6 D6 k" ]: r |
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