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[FC][魂斗罗][J][追踪弹]8 c( q) w7 T! g3 Y& b: ]/ m; m
# Q# w* i8 k, v5 N' R, P时间:2023.04.30
) ` z6 [5 a" D& s* V作者:FlameCyclone
! ~! o( f' ]3 y* Y, ?6 h3 A% j内容:9 o) t, C9 z. G; p# o
1. 所有子弹追踪敌人( m/ a+ o" o7 k6 b T% R4 Q; ~8 @
2. 选择键切换武器( R. i. Q/ [$ X) K2 G/ q
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3 u; n3 i: R! J( X: B& h4 P% N
% u9 |7 n! g4 o) B, Z/ ?+ h
flamecyclone.ys168.com0 C& G1 E5 v* g4 G" D

j* j& `+ z1 h4 ?1 b2 A% C- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁, g. G# I, t) J) u* G$ }
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L* f* a$ w' ~( Z7 b
- 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)7 O0 k8 e% U* ^. g
, ?7 y& n3 Y) x# S# l% R" 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)
0 q6 C5 P2 l: j* q2 p0 E - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上- a6 `' k8 t/ k- ]/ p/ y
' N+ x! J' D# n( Z- Track_Enemy_Index = $6000- W. \# U) z6 D3 [0 X5 U2 S! A
- Enemy_Index_Begin = $6010
- T- p$ r. `+ }5 p3 C" S4 ~4 G! g - Enemy_Index_End = $6011
W6 {4 e" J) i' h" U" k- J
2 ?2 V1 C0 n+ W& T- Loop_Index_I = $6012
) ^/ q2 D) Y! I3 g' a - Loop_Index_J = $6013) v$ L) w; X' m J2 h4 a
- nEnemyIndex = $60144 P, z$ D" t' K7 z! @/ p
- Data_buffer = $6015: P" g8 p$ A' U, Q# I- T% e
T- E+ R' t* C3 f: W- Bullet_Y_Pos = $03B8 ;子弹垂直坐标 O- V& c7 S6 E+ o
- Bullet_X_Pos = $03C8 ;子弹水平坐标
, _9 |8 V+ @6 A1 G - Bullet_Y_Speed = $03F8 ;子弹垂直速度
?$ v& Q: |; m - Bullet_X_Speed = $0408 ;子弹水平速度
; C7 W9 }: N' D; f& ^ }* W - Bullet_Z_Pos = $0418 ;子弹Z坐标1 t" B+ m* h6 A' P3 U3 \
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
3 i8 T) Q' Y. O8 _% p# }- i - ( _8 e8 l m2 o# p+ z
- Enemy_State = $04B8 ;敌人状态$04B8 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸
# t7 y+ K, Q$ x6 }) h `5 A8 ~ - Enemy_Blood = $0598 ;敌人血量8 x6 F& H7 Q' h( `0 f+ |
- Enemy_Type_Addr = $0528 ;敌人类型8 k3 G, x9 `" g; E5 y. y
- Enemy_Blood_Addr = $0578 ;敌人血量4 Y( A3 ~, G: c7 [3 I6 t
- Enemy_Y_Pos = $0324 ;敌人垂直坐标
2 |& D% u3 @! q - Enemy_X_Pos = $033E ;敌人水平坐标
8 x1 o9 h* U5 t; ~+ h# x. N" F/ } - Enemy_Y_Speed = $04E8 ;敌人垂直速度' _9 L% x9 `4 m" P( d: W
- Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸( j1 Y" v; `9 |. T! e6 C9 a: S: C
3 O* J0 M2 V5 z, {% S: S$ |, L- Enemy_Index = $83 ;
, f4 o/ l2 l! M7 o. c* O" P5 q: k - Time_Count = $1A, B. e$ Q' f5 N* U, s$ ?
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率! T: v9 G g ~! A' w6 O p+ a
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
: n, P+ j. P' Y& D- w7 G - 7 }5 f" T# i+ f( |% a) ?/ X
- - [9 x) K3 [2 [% i4 _+ _0 M
- .ORG $6100
4 a2 X+ O; ]7 t - Process_Begin:) W; |# ]$ y- q3 B1 |( q9 i
- JSR Enemy_Check
$ K0 r, q9 u* g* C% G - JSR Track_Enemy_Check/ `0 Z; @* t0 ] j$ t ]
- Process_End:
% v+ \' k2 A" \! ^, _' d - JMP $E54F6 K0 p5 M$ q# `" R3 z# H2 \
4 w3 K5 r* g$ h J* O9 D- Enemy_Check:% l$ b6 z% |4 |/ g8 m7 j8 |8 R
- LDA Time_Count, `+ ]7 x% Q; T
- AND #Track_Bullet_Speed8 T1 F' I. _. r1 z
- CMP #Track_Bullet_Speed
+ L4 S |4 R2 e0 M' H - BNE Enemy_Check_End
7 m. u& H$ W1 n4 S6 t6 p& ~ - LDX #$0F
; F: _, m2 R3 n. E1 q - Enemy_Check_Begin:
7 h" q# f7 E* Q; ^" W. A7 ] - LDA Enemy_State,X3 N+ f3 P: b( a! q' ^
- BEQ Enemy_Check_Continue& v. _+ y4 a/ R* a3 V8 X3 d
- STX Enemy_Index) I$ u/ r: [8 P
- JSR Find_Begin_Enemy. v- U+ n7 l1 C
- JSR Find_End_Enemy
7 ?7 ?' H. }+ s - JSR Bullet_Track
* j* j/ q4 t1 X7 t0 n/ c9 H. j - 9 T. t5 M+ a" X$ n, n0 P
- LDX Enemy_Index
2 l7 z4 p4 l" D) C: ] - Enemy_Check_Continue:
8 y/ f$ z) O- F K3 q - DEX1 [0 P, F6 S' \9 p
- BPL Enemy_Check_Begin
3 z9 _* B4 v; C$ S - Enemy_Check_End:
0 P- o. \* `" @8 s - RTS
0 H5 w T$ }' \) Q" e v -
3 _7 d i* U' c2 t - Track_Enemy_Check:$ Q Q# \5 Z6 S" [, ]0 T2 R0 B4 L, b
- LDA Time_Count3 \/ `2 Z! C8 S
- AND #Track_Enemy_Speed
, c% B0 g6 }) I d. ^9 j, K - CMP #Track_Enemy_Speed
, {* i' J7 D! B - BNE Track_Enemy_Check_End) V0 y5 |, s# }/ @
- LDX #$0F
2 u# z" u l) L+ g6 |3 N - Track_Enemy_Check_Begin:
/ t& Y b6 ~& I# ]# h; J: E4 F( P) D - LDA Enemy_State,X7 K: C2 \8 O+ c- ~5 Z3 s% n$ u ~
- BEQ Track_Enemy_Check_Continue0 g9 c5 P' ]8 Z
- STX Enemy_Index# N. Z" R# X6 G# H: y& w3 n' {
-
+ F( R+ W1 q) S0 M M% N - LDA $40: I3 W- p$ l$ V8 P
- LSR# R& }! c! c9 ~2 o
- BCC Track_Enemy_Check_Begin_L1* t. A; @; I' }: ~
-
% _% k* i0 Z: d2 b - JSR Track_Enemy_Ex ;2, 4
, D6 P' u% }1 c* W$ E/ ] - LDA #$00) ~ c( l- |7 G
- BEQ Track_Enemy_Check_Begin_L2/ j$ L0 ^4 Y6 Y0 _& ^2 R
-
u2 R* S- s4 B) \' V1 ] - Track_Enemy_Check_Begin_L1:: X& L+ V. U9 ^* X1 [
-
5 ?( m. h8 b, N2 J0 f) }+ g - JSR Track_Enemy
l, t* w ?$ j, _( y( c
. I) E1 Y5 p5 F# q, y* j- Track_Enemy_Check_Begin_L2:
% H& e( S3 q1 l( }2 {& G3 C -
4 K; G) b+ h2 N: M - LDX Enemy_Index
: C2 B6 z$ ~& m5 e - Track_Enemy_Check_Continue:
" B2 o/ Q- x3 t" r - DEX7 ]: V: h( ^5 B" `1 d Y8 C$ h
- BPL Track_Enemy_Check_Begin
# ~* q; ^ P# y3 P2 A - Track_Enemy_Check_End:
6 f+ n4 a: {$ k% j0 q - RTS8 A) b9 t! r: [$ Q0 N! ~* m
- ) k" k# v1 E$ y0 G& b
! V! ~8 J; f( k$ B2 t- ;查找第一个敌人
6 n$ F8 H" a. N6 W3 ~ - Find_Begin_Enemy:
, X; b3 H0 D0 n* }: x# X - LDX #$00
4 W! U/ R f3 |# m" G - Find_Begin_Enemy_Check:- ^6 l1 e4 C' I, w. v& n9 z |9 y: y
- LDA Enemy_State,X
2 k" G4 }1 ^& T% N - BEQ Find_Begin_Enemy_Check_Continue
" ^$ H/ c T( u7 D4 i - LDA Enemy_Blood,X4 `' c, s& s8 u6 x
- BMI Find_Begin_Enemy_Check_Continue
H/ O3 A* }/ V P$ Z - BNE Find_Begin_Enemy_End
% J8 W2 v( |: P3 n -
$ z) u3 B2 E5 I) {6 I7 | - Find_Begin_Enemy_Check_Continue:/ G) f% E% t; r7 m) t5 s& z: q
- INX
, F: m, j3 }6 \; L/ o - CPX #$10: B6 C1 u1 k5 f; _4 S, `8 C. S
- BCC Find_Begin_Enemy_Check$ k, a$ |* N9 z7 X4 T
- Find_Begin_Enemy_End:
4 v+ w/ j; A7 }1 `% a# A; G4 f - STX Enemy_Index_Begin8 K4 B* }( F# g. [6 S( v# C6 `
- RTS1 a: V& ^5 X6 q& \
- % F( t% F M2 p: J: v* }1 k
- ;查找最后一个敌人4 u/ L- N& I2 a
- Find_End_Enemy:6 ]2 r1 Y; O) r3 m! h/ O
- LDX #$0F
/ V- Q% r# f: T& s$ X: X# J - Find_End_Enemy_Check:9 e: W: y5 [2 v' W0 W ^
- LDA Enemy_State,X8 C4 q9 F2 B* d" p; T$ m
- BEQ Find_End_Enemy_Check_Continue
& T) e) c7 b: M' m# U M4 z3 b - LDA Enemy_Blood,X
- }4 e& F, t- Z2 B8 H8 x7 @ - BMI Find_End_Enemy_Check_Continue
7 V) l% l, U; ^ - BNE Find_End_Enemy_End
( _( }7 E. ^' p, O' i9 T - 3 Y' _4 x% o. A* Z" R: K$ h
- Find_End_Enemy_Check_Continue:) U7 P- O& M7 Z/ c; V8 `: \
- DEX
( }6 ~/ T; k2 c" B8 X+ ]5 ~6 b - BPL Find_End_Enemy_Check
+ T! k t8 w* P4 p - Find_End_Enemy_End:5 ~& |4 X2 Y3 }5 V4 L0 D( \
- STX Enemy_Index_End5 o+ H+ j, b& ~8 _2 @" E" H
- RTS+ u. q1 k6 Y* E" L: |4 }3 y. \
- : P. j; U% ^* f) e) P" l8 b
- ;子弹追踪
( L$ l& t9 R. {0 n - Bullet_Track:
4 x" W/ P: ]& \$ O$ @6 k J - LDA Enemy_Index_Begin8 e* t9 l% ]. F6 U1 f
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin; Z8 T+ k4 \4 Z$ @) Z
- LDX #$00
i& l! T$ C) D8 y7 C - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)2 {8 ]+ R9 s4 R9 n
- LDA Bullet_State,X
7 V z5 a" h) B" P2 q - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
& ]0 r3 r5 r6 j% ^% V - STX Loop_Index_I
Q! N: }5 A% X! A+ L -
$ h3 e# x" M/ l$ ^0 g - JSR Bullet_Track_Enemy
7 @$ n/ u* W5 N3 N7 ~ - JSR Bullet_Tract_Direction X* [2 \0 k- D
- 7 [+ ^+ X$ `4 P( u) h4 r$ `
- ;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* v1 o8 A- J7 e( z) M, n
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
5 d8 x: K$ N: g% {3 | - LDA nEnemyIndex
: M X9 s% i# ]9 A. H- V4 K - CMP Enemy_Index_End
# U% o1 _) `% ~, b& P" t$ `& n; j+ C - BEQ Bullet_Track_Check_Continue
1 Y" ~5 N0 O" C) v0 S: i/ W - BCC Bullet_Track_Check_Continue
P9 f8 J2 }6 Y1 x' q - LDA Enemy_Index_Begin6 l) V/ l9 k0 \: c2 N
- STA nEnemyIndex# \2 W% s, q: O" U
- 6 V- _ _' O* E1 y, \ e$ l- u% a
- Bullet_Track_Check_Continue:
! a, T. q9 c& N% @' k" | - LDX Loop_Index_I
6 T- s( [6 ?( P: z* c( V - Bullet_Track_Check_End: |! e, _/ H9 C0 ~" z, P3 C
- INX
, Z( W9 k6 W+ `! t3 ` - CPX #$107 C% G! N0 B- Z; G. W; D% Z
- BCC Bullet_Track_Check
! X& R6 C' v# l5 R. N - Bullet_Track_End:
7 Y. z3 H( W! M4 n% } |7 I - RTS% s9 S y/ s# E- n7 j0 U
- ! n @: [# U5 i a4 b v
- ;给敌人分配子弹
: ~! X* l, L. T* u% a - Bullet_Track_Enemy:6 }+ }" }* ^+ P! Q. p6 q* `! w* C/ z/ w
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++), ]! z0 W7 g1 C9 {
- Bullet_Track_Enemy_Check:3 D* b& }% K; U l
- STX Loop_Index_J2 R% O6 x- ?6 _" F6 C$ w
- # _" J, A$ U5 E' u8 f1 d+ [
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
$ _8 {4 W- M& F1 ^6 S' v/ J. p8 x: ~ - LDA Enemy_State,X4 t/ o2 F; G# R( f$ Z8 s; w4 l4 l
- BEQ Bullet_Track_Enemy_Check_Continue. e' [7 j- i3 l/ X% r! M/ m" p4 {1 r
- LDA Enemy_Blood,X
# [6 p8 J+ G) W( X& y O - BMI Bullet_Track_Enemy_Check_Continue2 P) J8 ~9 S, [: l! Y+ t
-
- b. f* ^: J9 F, @" h7 q/ q - LDX Loop_Index_I f* x0 k/ N4 D6 Z) o
- LDA Track_Enemy_Index,X
* g3 P$ \* ?8 w Z0 J - CMP #$FF
. r0 A0 t. I; R - BEQ Bullet_Track_Enemy_Init
( h: x, p& z* B( v -
# x( d: c! k* ^! Y - Bullet_Track_Enemy_Init:9 B1 R' d9 a8 m3 U9 h& d4 N- a# p
- LDA Loop_Index_J7 V: J7 [+ ~. ?$ ]3 Y$ n3 Y' e
- STA Track_Enemy_Index,X ;nTrack[i] = j;
1 e8 d- K6 b9 P' ?6 O+ ^; t -
$ T; P7 g8 l& P/ C( j& Q' g2 C - STA nEnemyIndex5 w6 ^3 e: w; B- N9 l& H+ l" \: v
- INC nEnemyIndex ;nEnemyIndex = j + 1;( _/ f" E( ~8 b
- RTS ;break;9 C$ h* N& M1 r! V7 G. W
- 1 h( T0 _0 b3 R- u" f+ v' U9 D7 d+ \
- Bullet_Track_Enemy_Check_Continue:# ~3 n) ~1 n$ r# a* J6 w5 S5 J
- LDX Loop_Index_J
4 z5 M1 @/ m4 X4 F8 t - INX ;j++
9 ~' _$ ?: [8 x# v0 S! g - CPX Enemy_Index_End
9 s, u; n( G( k' }/ h. ]4 m - BEQ Bullet_Track_Enemy_Check2 g) G0 }. m) R
- BCC Bullet_Track_Enemy_Check
4 w, e! \; O8 E2 z1 G - Bullet_Track_Enemy_End:' v! z5 h2 F/ s# n6 n
- RTS
) ]6 w3 `& k$ K2 m; T. ]& F - $ a1 ? L2 q3 z; G; R
- Track_Enemy:- Z3 ]; ~( c* n4 x: C
- LDX #$0F+ Y- Y2 H! ?7 X! p3 s, E
- Track_Enemy_Begin:
/ a# o" i" `5 X3 Y/ ^% Z' |1 ~" l - LDA Bullet_Icon,X
/ f. x5 {; x! J7 {7 K1 } - BEQ Track_Enemy_Continue
6 U7 f9 _3 ]) s* q5 E o - LDA Bullet_State,X
% |& C6 s5 Z2 A2 q8 g, _ - CMP #$01. }: y. M3 W0 f- y# v: T( \$ x
- BNE Track_Enemy_Continue- N% a1 ?) X2 C1 J" q: t
- / H1 F9 m6 m# t
- JSR Track_Enemy_Process
1 L9 b0 T) H! G) V -
+ f2 n; ~% Q* O$ I+ c - Track_Enemy_Continue:
! s! \: o; H) D - DEX
; r. F! w- k% E - BPL Track_Enemy_Begin4 S" k% ^7 _/ c
- RTS1 I [# x4 t/ q7 J
& Z/ @! E1 X0 Z+ M2 l. Q6 g- ;普通关卡9 G, ~) A' Q- }0 m
- Track_Enemy_Process:' ~9 R% Z$ v9 m+ X
- LDA Track_Enemy_Index,X
0 m* d8 e% }& \2 ?& [ - CMP Enemy_Index
) J8 `4 q- F" y/ u5 a+ `* z3 E! u6 B - BNE Track_Enemy_End3 h+ Y$ A/ g$ A) s" c. z; ^
- LDY Enemy_Index
9 H$ I/ W2 N4 Q; s - JSR Track_Enemy_Y, _/ [- ]/ Z% Q( \7 |
- LDY Enemy_Index
3 i p% L# j4 V# ~- d |$ b - JSR Track_Enemy_X9 ]+ i; {: [- v4 n* s g
- Track_Enemy_End:
) _4 g( ]5 f. s - RTS
1 o! n8 k0 X* V3 z P - g0 |! Y# J; s& D; C) I" h: P. o
- Track_Enemy_Y:
# z: N1 p& @1 I* } - SEC
+ [0 S+ g0 E! N: f' P+ }6 Z1 k - LDA Bullet_Y_Pos,X
; a7 h. _! J4 ?$ d) j* s0 L; p - SBC Enemy_Y_Pos,Y
9 R; z' u7 H x3 C0 L7 V& f3 F/ }8 P - BEQ Track_Enemy_Y_Equal5 A6 c6 g' N6 L2 m* k" w1 \
- BCS Track_Enemy_Y_Greater* B* T& D3 V X, r
- / u7 k2 t' N, u, L9 h) ?
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y$ K) P. z9 y# h& S
- CMP #$FC
6 `: }9 a' i$ U+ F - BCC L1_1
" P- u% j, ?5 N - CMP #$FE$ Z7 h: a% |7 i+ a- v
- BCC L1_24 ^# X. U3 C$ | ?
- LDA #$000 W- X2 I# L0 n( P i: r9 s
- STA Bullet_Y_Speed,X( f- Z3 p5 A/ A L
- RTS
" b( R2 L# u, U7 V7 i& S% G0 ^" K; s# N - L1_1:
' @( H0 x8 O: B- a) A+ q - LDA Bullet_Type,X( U( P0 d9 C2 V' z4 y( A* e
- AND #$0F
" Z7 j2 A' X7 _% J! L" T - TAY: s. |" V' d9 p; V' m2 i9 M
- LDA Bullet_Speed_Data,Y" l6 _7 @7 v& b0 ]8 s1 p- i" v2 d
- STA Bullet_Y_Speed,X
( k: ~/ X+ s8 _* D( }7 W - RTS
X' h) B5 G. a- V
+ Q* {- E2 d" F9 g) q4 }- L1_2:
& ~! C- \: _' [/ l - STA Data_buffer6 l( H- J2 {2 `$ N# h
- LDA #$00
& i+ O: ]% D! V - STA Data_buffer, `4 K3 |# \2 g
- LSR
/ t# p3 u! \" I1 r( R @ - STA Bullet_Y_Speed,X
; v9 p3 b. y& X9 y - RTS6 w" e4 ?( q; e9 K# C6 Y1 S
5 z2 _: ^5 f. }' D4 A5 C2 z- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
. S3 r4 {8 b* ] - CMP #$04
5 \/ s- X& z2 Q/ I* u0 @ - BCS L2_1
: o; c- h, P! m8 J6 A* ^ - CMP #$04* {( D' K# o" r6 M: d9 o
- BCS L2_23 [, Y$ B1 E4 u8 n
- LDA #$00
; @9 v$ f |" m; @1 C - STA Bullet_Y_Speed,X
7 ?7 G9 F: `8 x! o: k) t3 Q6 y - RTS x# D, U2 T+ B6 J" X0 c
-
+ v5 I/ C+ K e/ E' D) z$ c- i' v - L2_1:' k4 v! S% E& V/ s& x
- LDA Bullet_Type,X
& L8 v. G% y' W7 \! L# T - AND #$0F
6 V1 ]$ F6 p* f% D - TAY
. o* i2 W9 u! W. _* b* t - LDA #$00* r' z: a# A: J! H# m/ Q3 v
- SBC Bullet_Speed_Data,Y+ }4 P6 n' S8 F" S
- STA Bullet_Y_Speed,X4 r- D" H2 k# S7 a8 n8 `* F2 s
- RTS
! i- K, A4 s7 Z+ t1 m2 Y2 t$ d. D - / y: N- U3 |5 `- y1 t5 |" `
- L2_2:/ f% `0 N" v4 w$ Q* c
- LSR( A* k0 F# P b* X$ X" U- `6 P+ o+ _+ w
- STA Data_buffer
" @7 u4 r% H! c" C/ I# L, R - LDA #$00
' O, |: G, i3 E6 @6 ^ - SBC Data_buffer4 k, z3 ~+ D+ ?* |0 S3 J9 Z
- STA Bullet_Y_Speed,X
' D, {# A; H( E' N - RTS
5 f) G5 S1 n$ o$ e8 N! W8 Z+ b4 } -
. \( J0 m: K5 \: u ` - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y+ }9 h4 W/ u8 o. k
- LDA #$00
0 K7 J( p3 K: w% l5 ]' A) W7 I - STA Bullet_Y_Speed,X
8 y+ u* k% K9 W w3 c" P: ?0 o - RTS- i7 a1 h q" u" S n: }
-
# V2 v# z2 s* l' l0 Q* C, b - Track_Enemy_X:" l$ t1 \2 Y1 u* s' G* G
- SEC; I! n/ J! e0 A4 N' @( ]$ Q/ Z: U
- LDA Bullet_X_Pos,X
, y1 O9 j8 [$ [; p# i- r3 f - SBC Enemy_X_Pos,Y
, E3 |% F6 S7 {: C: J1 O7 Y - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X" K) c! Q9 r" ?# p# X. Y( ]+ {
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
4 A& E# `1 L. t. x1 o& n - 4 X5 C1 I8 S; R8 e, b% ^7 l# u
- Track_Enemy_X_Less: ;子弹X < 敌人X
' t; d( r/ Y+ {3 p - CMP #$FC
. P, ]" f- F/ l - BCC L3_1
/ W! x/ Q1 E+ c - CMP #$FE
( j# m9 _9 Y' z4 c' z+ O% O - BCC L3_2
" ^ j. G% o+ Y, w/ f - LDA #$00: v, b5 ?, s6 ^0 x9 P7 {. k* v* y- d2 z
- STA Bullet_X_Speed,X& F; T+ `. h: Y/ T Z
- RTS1 S [) h" v: `6 v! O+ _8 ^
- L3_1: ! f6 @% U7 c& c9 f+ Y
- LDA Bullet_Type,X* f" d1 r+ F+ G/ q' ~
- AND #$0F2 F1 @7 W6 y6 K
- TAY7 [4 h- [- q% X
- LDA Bullet_Speed_Data,Y9 C4 O. U& l* ?
- STA Bullet_X_Speed,X
, r4 h% u9 L2 s9 I- O7 x - RTS
! N5 `' `- Z6 j% |5 }7 A - L3_2: - b1 [0 P+ M& x) b
- STA Data_buffer3 I( X+ d* V, a7 v3 c
- LDA #$00% Q5 T O" ?4 F; h" j
- STA Data_buffer
0 y& N% A* N5 |: \+ L0 R - LSR
. E( @2 a4 g- P: _9 h - STA Bullet_X_Speed,X
- Z8 a7 G) ]) {0 Y/ d z - RTS
3 v8 U" e$ A0 R9 R9 I4 {2 I5 `: h - # Q" R! d5 l4 T! Z8 ]( h' v6 j Y
- Track_Enemy_X_Greater: ;子弹X > 敌人X
4 k# z) W' g9 E Q0 l& z - CMP #$045 x: g( A& N' I$ z% U" H. t
- BCS L4_1; G0 O" K/ k( y9 d( R5 g6 {
- CMP #$023 G! J; u# d n& E0 k* A
- BCS L4_2
4 ^; C7 _4 D2 l) w8 ^" j( p - LDA #$00
& p/ f* `: b: k: j - STA Bullet_X_Speed,X
6 v b& f# ]6 S9 Z - RTS
5 L6 K/ E8 j2 ~5 R/ r - - R% l: W, W: L
- L4_1: 9 O* Q+ U* a+ x( j4 x+ {
- LDA Bullet_Type,X1 C' j* n( z A9 m2 g- T! X/ F
- AND #$0F
8 y( Q7 x& T0 m# | - TAY) }. V& D" R& Y% C1 E. j2 [: |5 y
- LDA #$00
1 `3 p; E+ }( Y8 H: S, b* c - SBC Bullet_Speed_Data,Y' x7 I& P9 I6 t+ t% ~
- STA Bullet_X_Speed,X
; D0 D6 d/ s/ q3 ~& f$ S9 O2 Z' _ - RTS1 t: Z% m( j$ [$ i2 B) F
- L4_2: ) k* _6 e2 c( L; p+ v1 C4 f" Z
- LSR8 d7 }3 B1 s: C/ \# }
- STA Data_buffer
% _( L- F( q# M1 W# O6 d8 m - LDA #$00; z6 x# J( ]1 Y# | h+ C d
- SBC Data_buffer
5 [8 U2 q9 f* `: ?6 Y2 t0 S - STA Bullet_X_Speed,X
* c0 B4 ?1 x0 V" j2 a, J - RTS0 z R4 y' w/ M. p3 N3 O' I
- $ h7 ~4 u% ]% B+ B- J
- Track_Enemy_X_Equal: ;子弹X == 敌人X; M1 ?% Q9 s3 L$ M) N3 N; `
- LDA #$00" v: Q: Y$ Z! M& i
- STA Bullet_X_Speed,X
0 ~. J8 x0 R% n - RTS$ X9 J; i; I; I6 f* d+ b8 e
-
/ H) F) k: q' m3 L9 Q$ U8 U - Bullet_Speed_Data:
* A9 h% k' }7 `5 } - .DB $00,$03,$03,$02,$03,$038 C4 o* Q5 B) f7 M" _. x* P% q
-
& b9 }- f- h, E6 K; B - ;2, 4关0 D O0 N9 H* U d5 M' T5 \
- Track_Enemy_Ex:
4 x4 B y. K1 R# U5 h! p - LDX #$0F& |0 P1 e R( {7 v3 ^3 ?( T
- Track_Enemy_Ex_Begin:
5 g+ n5 `+ m$ M& e - % i, I4 j: e5 T
- LDA Bullet_State,X
& S! k6 x) p8 I* C/ E9 X5 P - CMP #$01
/ p) `$ y/ r1 ^ - BNE Track_Enemy_Ex_Continue
, l: z7 A9 j' F+ |) s -
4 C4 ?9 [& {$ w0 A$ k5 q2 b - LDA Track_Enemy_Index,X
8 L5 v" y T. r5 v - CMP Enemy_Index& G9 f, _* `; `+ Z( O/ n
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标1 N6 O7 }$ j) c' P% B3 L5 D( Z
- + V& T4 ]: v7 W# q- y
- LDY Enemy_Index
4 m; A* ?) `2 d5 Y( k- V% N - JSR Track_Enemy_Ex_X5 X8 G2 C# {4 U$ j2 U5 E: k$ ^
-
# n8 R7 |- A( d8 Z! Z/ d - Track_Enemy_Ex_Continue:6 }0 K( c& O! z0 T5 P- J: v
- DEX% q- A9 `2 Y) ]3 ^7 F+ Q9 P: `
- BPL Track_Enemy_Ex_Begin
; ~* e0 {; ~6 I. y m+ [$ M b - Track_Enemy_Ex_End:' n* l+ H% R+ x& {7 J
- RTS4 }9 f, \6 ], q( F' T
-
& \# R# x( z$ |/ ?, V# d. d - Track_Enemy_Ex_X:
. N. ]. ], l9 Q7 ^* ^& Q" ] - ;LDA Bullet_Z_Pos,X' j7 {4 h* I/ Y' V8 o
- ;CMP #$04) b* {, ~% Y7 }* J0 B2 G1 o4 e/ x
- ;BCC Track_Enemy_Ex_X_End2 t4 y1 E# Y7 I, S: u6 r8 ~ d, c
- SEC% y% O8 T6 ?. d( Y! u
- LDA Bullet_X_Pos,X
5 K+ z* |* Y& r; i - SBC Enemy_X_Pos,Y
9 g2 x+ G$ j4 } - BCS Track_Enemy_Ex_X_Greater
) z) e U6 {! H z2 J0 q& k - $ O; n" Z5 L5 Y: d* s/ _) x3 C
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
/ D. O0 f9 D2 |2 `: e - CMP #$FD( |9 ?* j# h( `9 q* l7 t: R* Z
- BCS Track_Enemy_Ex_X_Less_End( |' b4 ?/ D; {" _' p
- LDA $6020,X
* Q% f7 D* z o( w7 q# J2 {1 \ - CMP #$2A+ _% I, L, \) |5 @
- BEQ Track_Enemy_Ex_X_Less_L1
3 l) o6 V8 g% U3 u, D+ m - LDA Bullet_Z_Pos,X# e" D4 w- Q) J! b6 A# ]( A. \) [
- LSR
" {0 n$ C6 S( h( l( L! I$ ~ - TAY3 v7 Q% E) F. w# C
- LDA Bullet_Speed_Data_Ex_R,Y
0 A; h9 [) B9 K - STA Bullet_X_Speed,X/ I4 g+ G( p$ D3 O5 q# i( S
- RTS A% c% p( Z6 L. W, @
- Track_Enemy_Ex_X_Less_L1:
) ]5 V0 P, t1 U; d6 g - " C$ ?4 u: r8 }3 ~* i$ m
- LDA Bullet_Z_Pos,X$ w0 U" }1 o# x- l
- LSR
9 m3 H' M9 o, t8 y: ~5 @ J - LSR
" x! x6 X( O8 q) \" b - TAY
" ]( ]! y' L2 N$ d; V' U' Z! Z8 C - LDA Bullet_Speed_Data_Ex,Y
2 Q: F% m9 T+ E1 t - STA Bullet_X_Speed,X
0 |0 `. G. S* H( O( Y - RTS! m0 r7 U: \" {4 Q
-
, d# q! t" T9 T - Track_Enemy_Ex_X_Less_End:) ]7 S& {2 L: a
- RTS1 C5 Z' p+ F! X
- ) R# |3 [) Z9 |
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
9 O. F( |9 k2 B9 @; l7 W - CMP #$03
% M/ |& x, v% ?% y% `9 L( } - BCC Track_Enemy_Ex_X_End2 s7 d8 d; g; x$ g
- LDA $6020,X
% c7 b% @) n* o3 ] - CMP #$2A8 O3 ~& Y0 L+ i- I4 I6 q* S6 v2 z
- BEQ Track_Enemy_Ex_X_Greater_L1( [" [0 ^* d; R; Y% F4 y8 o+ ]* P
- LDA Bullet_Z_Pos,X9 p0 C# a, ~$ \+ |1 b) l/ T2 q# U
- LSR
' \7 ^# }' c6 {7 p5 O - TAY) m( E: \- @1 X% ?1 `$ n$ [" a$ F
- LDA #$00% ]5 Y' Z/ H$ \9 q5 o6 k
- SEC
) ] O& s9 ? B% n% @ - SBC Bullet_Speed_Data_Ex_R,Y2 Q/ F- W+ O. U
- STA Bullet_X_Speed,X
/ l0 O" x. H+ d7 P) l - RTS
3 ~7 G" m+ Z( [ -
' q. o W$ A4 ? G - Track_Enemy_Ex_X_Greater_L1
% r/ W4 r9 U+ x/ L$ A - LDA Bullet_Z_Pos,X
2 _# Y2 u9 y# u: u" ] d( J - LSR# A! A- G# |+ y% z& ]- C( w8 K/ g
- LSR
5 H3 |* I7 \( Z/ W - TAY/ r! U* a, c+ Z. d
- LDA #$00# T; Y4 P5 \- U7 s$ \/ P
- SEC9 i9 C7 s6 I0 h# _$ M7 G- s
- SBC Bullet_Speed_Data_Ex,Y
- t& z( D& G2 ^7 x8 \ - STA Bullet_X_Speed,X
5 W. |# n1 A5 J0 r, e& Y. G6 ?0 o - RTS
0 x- e% N* {! U _ -
) ?# i' @8 O3 a3 }2 z7 d' E - Track_Enemy_Ex_X_End:7 k, [ Q9 J& k2 V
- RTS- ~& J& ~- t. {: o& m
- ( D' ]0 O+ L' S" U( R' O) \$ R
- ;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)
5 k0 u) ]6 @/ K: I4 T6 S3 d! ~, O! r - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
" r- K! _( W+ @3 }$ l - Bullet_Tract_Direction:! y R+ l& h' S5 R* ]4 k
- LDA Bullet_Icon,X, @; g8 f$ f: d: p
- CMP #$23
, u- R+ {+ n& o* I& W' |- y9 ?/ B: w - BCC Bullet_Tract_Direction_End+ V% ^' N9 y/ M0 A
-
. E+ _) z0 Y3 u+ n$ p$ a- `1 X - ; X != 0
* k0 X. [ b- {3 o2 W7 _ - LDA Bullet_X_Speed,X+ q- W0 p }- \2 N
- BEQ Bullet_Direction_V
% S1 U5 r! E& b! o. p -
! l# i$ U% X! t9 P, E9 p3 ~+ a/ |6 N - LDA Bullet_Y_Speed,X0 q [8 z: \- X9 w! P
- BEQ Bullet_Direction_H
' a( O, C0 f' x- n" I& C - 3 g9 f, \4 t) q$ v6 P3 Q" D) z3 h
- LDA Bullet_X_Speed,X/ z6 W6 M4 r! w# ?
- BPL Bullet_Tract_Direction_Right" b) c6 l: C* r
- Bullet_Tract_Direction_Left:+ ?8 e! B5 o: d7 }
- LDA Bullet_Y_Speed,X% X% }* g/ C# Y m. e( U Q! K
- BMI Bullet_Direction_Left_Top
) F2 t$ K( I, i4 B, b3 H1 F - BPL Bullet_Direction_Left_Down7 a" a/ j$ R* k; k1 M6 \0 s
- Bullet_Tract_Direction_Right:' q% a8 J" [7 X+ h! T- O+ @. T
- LDA Bullet_Y_Speed,X
: u C* H2 h: u3 g - BMI Bullet_Direction_Right_Top
2 F& x+ \; g# A6 r1 K, t* I; D' w - BPL Bullet_Direction_Right_Down
' W. {5 I( y# \% o - Bullet_Tract_Direction_End:5 J* k7 o& m9 [. g# \( W, T: A* h
- RTS2 y* ?0 Z: `+ R% c& X2 j8 Z) W3 V
O3 Y5 d9 `& ?2 t$ |8 G- Bullet_Direction_Left_Top:
" F; z1 d9 ]: d6 [" Z, V - LDA #$25' T* u0 v4 e& `2 x' t
- STA Bullet_Icon,X- z' k6 n7 a! T! Q- S
- LDA #$C0: L! T6 v1 ^+ T" V* A8 _8 C
- STA Bullet_Direction,X# d" U% z6 C4 x3 Y5 r5 n& | r4 @; F
- RTS
8 A3 k8 l; J4 ^1 q* H1 ` R& N, Q
/ o+ R+ g% b4 {9 [& l4 D" Z0 Z- Bullet_Direction_Left_Down:
; L+ k" R, Z) o0 |. X$ }4 z% n0 h - LDA #$25
% K. w/ \& \. R( [7 T1 k - STA Bullet_Icon,X5 R: y& ^1 i# x" T* h. f2 D- R
- LDA #$40
2 p& A, D% x# R, R5 v' y - STA Bullet_Direction,X& I. A8 z4 }7 n: p- Q V
- RTS
' H& x; |. p+ b+ ]- T
2 H+ c) N! x2 I- p2 J3 h- Bullet_Direction_Right_Top:$ e8 P: {+ k& H) K# G' n
- LDA #$25
* A3 o4 x( x3 v$ g0 m3 U* g - STA Bullet_Icon,X
" @) v; M' X' @9 j( U - LDA #$806 t* `9 x3 j, Q1 l- _, U6 `
- STA Bullet_Direction,X8 s' \- _3 X% A1 W" v4 G0 _" m, E
- RTS
; O" \* I/ W& V4 i" ]% b - 4 D+ @8 w& x9 N, h$ N1 W
- Bullet_Direction_Right_Down:
4 S5 b+ ]7 ]0 F; d! i: ~8 g0 I - LDA #$25
2 l$ A) |4 Z) } - STA Bullet_Icon,X
0 Q2 _7 O. l, V( w6 B) c4 h - LDA #$00
8 w$ `6 k D; }1 ~: w - STA Bullet_Direction,X$ X( Y$ r# \- {: L
- RTS1 n& V. b, j) H- s
- 6 c1 U. r; e8 B6 {. h8 C5 ^" S" r
- Bullet_Direction_H:
6 k O( v) B. _9 w+ \, _; B0 ` - LDA #$245 `& a z. N) P" X5 @! x
- STA Bullet_Icon,X
( ?2 @# O0 X/ `9 R1 m - LDA #$00
) [- n2 {+ F: b1 Y7 K# P - STA Bullet_Direction,X5 i, k7 F" Y ^5 ]: t4 X
- RTS" g0 y+ r) [6 N3 D8 X$ D
- 2 c/ {, ~/ L) U# |& P5 n# r) {8 F; M! |* N
- Bullet_Direction_V:
5 c; U. P& G6 @6 T5 a, U1 } - LDA #$23' D1 X# Q1 t6 ^* M% |8 q! j
- STA Bullet_Icon,X
, T0 E ]# ]8 e- `7 a1 o- F3 C# ]1 W - LDA #$006 [/ p3 J o' S4 K- K: p$ c8 C
- STA Bullet_Direction,X% _: N$ z" w ]9 p6 J G' a
- RTS# z' A- m/ G* A2 ?0 Q
- % w: z) y7 n' ~( v n' M
- Bullet_Speed_Data_Ex:; y& m" ?2 s# C9 w
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04/ Y( K; b! r7 t% K
-
9 |0 ~7 H( \0 I" j - Bullet_Speed_Data_Ex_R:" p; x9 T8 D8 ^. l {
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
" r0 R( X9 w/ ^6 @ -
复制代码 ; y; Y: R: D+ P! U# P. e+ _9 X
* x. D, A- ?) O7 ~9 F
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