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[FC][魂斗罗][J][追踪弹]
/ ?& D* t @! w8 `" u+ M
* C! o0 I) U b6 f" z7 H5 m6 h& d时间:2023.04.30
6 @- _; u+ Z) j' s0 G7 ?- d作者:FlameCyclone
% _; m! p" F$ Y# v# o+ @% w内容:- u. `9 h& Z( ?* S2 S
1. 所有子弹追踪敌人
) D1 {. K6 f& H 2. 选择键切换武器
& L0 B, y" `; A& Q5 f 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4 E6 m! s4 k/ c* Z# e' p
. ]4 N8 y0 L# M0 o5 Z. z# ~) ^flamecyclone.ys168.com
6 l8 ]9 L8 F5 P) ?9 r$ h1 s& p# S m 6 H" C! c' e1 H7 a- |! e5 ^: l) i
- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
, j* o- J1 M' K. t0 F& r; _/ l$ d - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L! d5 |" N4 C7 f) Q5 B7 ^ _5 W
- Bullet_Icon = $0368 ;子弹Icon 普通:1E M:1F F:22 S:1F-21 L:24(横向)23(纵向)25(右下)
7 d# v$ O' j6 S5 ` - # E) ?9 u6 G/ M6 C; V- m
- ;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)
! ] F# q. }" n: k! }+ I6 W( N - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
& |% ` d: ?% j4 E0 u8 k - 7 Q7 L; U/ I F
- Track_Enemy_Index = $6000
7 {3 H& j; {- P' d - Enemy_Index_Begin = $60108 U1 a2 K6 d0 o% T8 ^
- Enemy_Index_End = $6011
6 Q6 o2 |" t7 D( l# l/ R" v - - Q4 L/ R7 W% a. Z9 `
- Loop_Index_I = $6012
3 ?2 m+ }9 O0 u/ f" @ - Loop_Index_J = $6013* `, t) D* _4 X! F8 Y
- nEnemyIndex = $60145 ]6 o0 t! S Q% G
- Data_buffer = $6015' ^. m2 Y7 G, W2 K9 V
, X9 f6 v9 u7 y" `# W- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
5 e" i4 {: K! t. w: l: e8 |3 l - Bullet_X_Pos = $03C8 ;子弹水平坐标! C+ |+ l1 V+ T
- Bullet_Y_Speed = $03F8 ;子弹垂直速度" m( p% ~. u% E; t9 m
- Bullet_X_Speed = $0408 ;子弹水平速度% w0 o. e! I+ q9 b* E {( n
- Bullet_Z_Pos = $0418 ;子弹Z坐标
3 u) o5 [4 {8 C6 J( @1 Z$ I: e5 O F - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P
8 N' b8 u0 ?" W$ x, n; s - & u/ P7 t( k* O1 n( d
- 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
$ f7 T5 N! `$ k% `; q& M - Enemy_Blood = $0598 ;敌人血量$ N4 b7 K6 I/ ^2 Z5 S
- Enemy_Type_Addr = $0528 ;敌人类型
& ^2 u3 E9 G9 J: y f2 V - Enemy_Blood_Addr = $0578 ;敌人血量7 n# F1 u% ?; A0 Y
- Enemy_Y_Pos = $0324 ;敌人垂直坐标' K, N1 O6 j; A
- Enemy_X_Pos = $033E ;敌人水平坐标2 y7 B0 p1 K( X& m
- Enemy_Y_Speed = $04E8 ;敌人垂直速度& j1 ^# A8 V4 l
- 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' t) P7 d5 t* v; x5 V: w1 l! l
) D h2 s: [1 z* ~5 F& O- Enemy_Index = $83 ;
% v# u! u$ ?5 m& m8 X+ o, U - Time_Count = $1A, f. f! s( _7 W0 S3 E! X
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率) @! d3 b1 m4 t( D( S4 u v1 U
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率
( G/ A) l1 N% N* } - 9 s' \+ k n% i' U- \/ p
, J: S- I7 [2 U) b7 _9 G- .ORG $6100
' g. g7 N& a1 {6 m: u' W x - Process_Begin:
6 U+ _# E8 q& S! | - JSR Enemy_Check
0 e9 V# v: ~$ i3 d" T( l% g - JSR Track_Enemy_Check
: p$ I/ o! B8 R4 ~# H) t/ a - Process_End:' l5 k) h/ r6 i% ~5 u' ]3 B# G
- JMP $E54F9 f: I) J$ B. g3 W
' p/ H+ D3 ^# J1 k2 t. _- Enemy_Check:& _% l2 ^* a/ W! e8 T I7 Y/ h+ s
- LDA Time_Count# U+ S# h( S# X! c8 U2 Q6 Y1 y
- AND #Track_Bullet_Speed1 h* k( d" m7 i
- CMP #Track_Bullet_Speed# H* W- M+ w0 p4 H& d5 k
- BNE Enemy_Check_End
7 o3 Q- I8 b0 i+ i( V( n - LDX #$0F5 i4 M: r9 P/ Q; v: b0 ~( w. I
- Enemy_Check_Begin:6 c8 d6 O8 k( o( X, m+ V; Y. I, j
- LDA Enemy_State,X
, g& C) J+ E& C! ~ f - BEQ Enemy_Check_Continue2 ~7 v7 {, m' _
- STX Enemy_Index
9 ^& ]4 n7 U; e5 [7 | - JSR Find_Begin_Enemy7 N2 E3 O+ G3 b* Y6 C8 h
- JSR Find_End_Enemy
( E) n, R% t: r5 K. [ - JSR Bullet_Track
0 y% @' Z4 z) j - 1 k% F& |: v/ _' J* d1 a. T
- LDX Enemy_Index B! Q- q0 o: b8 V
- Enemy_Check_Continue:( p+ M" Z; |$ d' ?; ` Q6 k. Q0 a
- DEX9 C, D4 Y# }" f3 s
- BPL Enemy_Check_Begin
' ^/ R; q# k6 q2 ~ - Enemy_Check_End:) _/ R, T3 c$ T% e, W
- RTS
5 Q& z* }( s% c- f" J -
, J+ ~- ]# \9 I# E3 q4 a - Track_Enemy_Check:
/ b" O3 v* i1 r1 k, p# O5 ?, A - LDA Time_Count: b! E3 G2 i" v* V9 ^, v8 U4 q8 V
- AND #Track_Enemy_Speed
( \2 I) s) t$ O, q* N* E - CMP #Track_Enemy_Speed
4 U1 H, I" R2 K6 T/ W7 ] w - BNE Track_Enemy_Check_End
0 |0 R" G }% |. s - LDX #$0F+ I1 j7 y; G( z& ]
- Track_Enemy_Check_Begin:
$ F% m( w7 n- i: U) {/ l - LDA Enemy_State,X( n3 `3 j* _; F) E& @: d- n
- BEQ Track_Enemy_Check_Continue
, S+ b* C/ ]; d/ a - STX Enemy_Index6 A5 U, q( Q- v- {! s8 I0 w
-
! B7 h) d% L# `! G0 D0 h+ s0 ~6 [ - LDA $40
7 o& v; K* Y* |) C- k - LSR: g( _% {% C2 q
- BCC Track_Enemy_Check_Begin_L1
l8 ~4 W7 Q H, T J -
9 h/ C3 Q7 `& t) X1 M - JSR Track_Enemy_Ex ;2, 4
/ X3 k$ J( ~9 F/ [6 k# f$ ^ - LDA #$00
9 Y) c% b4 L6 Y. I8 A- P - BEQ Track_Enemy_Check_Begin_L2! X5 D V7 I" S% d0 m5 m
-
" ]' J5 v1 s$ r6 C- P3 @ - Track_Enemy_Check_Begin_L1:7 o3 s( N; V5 @8 c* ?, ~) d
-
: X9 J5 a9 W9 n7 S% e: ] - JSR Track_Enemy O7 G C. b5 G3 |. m" g
- 9 u/ | P$ }% D6 n2 ^3 ?
- Track_Enemy_Check_Begin_L2:. q. ^' j7 w [1 D" K2 P
-
: q- x4 k+ U ` - LDX Enemy_Index
c: B8 ^& S# u& k5 _ - Track_Enemy_Check_Continue:
: t/ M( `# k# J: B% ]2 W - DEX7 G4 }# ]' K. O0 c
- BPL Track_Enemy_Check_Begin
& Q g9 G3 Y+ n - Track_Enemy_Check_End:
7 [8 @" B2 Y) a2 I - RTS
6 M# a0 Y, ?& y; G9 `
& ~* N# {. C3 U5 `
; H( x; v; y7 {6 b0 g$ L1 Z- ;查找第一个敌人
! s ~7 u: r7 r: r$ l/ }( A - Find_Begin_Enemy:
; E/ [7 T' j# i6 Q! @ - LDX #$00% i0 u4 o" b8 w; H1 x+ ^
- Find_Begin_Enemy_Check:* @1 Z& m8 w; b i& V0 m3 ^* c( s0 j
- LDA Enemy_State,X
" ]$ b; q5 Z! n, s3 e; S+ \ - BEQ Find_Begin_Enemy_Check_Continue
2 q$ z/ C6 e; I9 y9 x - LDA Enemy_Blood,X4 X0 j/ V0 d) D4 G4 j, ]+ S
- BMI Find_Begin_Enemy_Check_Continue
& _3 Y0 V$ n6 f6 i, B3 C9 A" p+ R! } - BNE Find_Begin_Enemy_End
& M, s K, P M& p6 l; o: Q' H - ) O, H; ]" {6 T- O4 H0 W& ^
- Find_Begin_Enemy_Check_Continue:
' m) W8 C- z! R3 b, `4 Y( f - INX
; _$ ?* _! V% v8 a - CPX #$10
! M y3 n. U; Y2 V8 Z' @8 a l - BCC Find_Begin_Enemy_Check( c0 ~; S5 x& K6 H# ^2 K
- Find_Begin_Enemy_End:9 R0 a4 @4 K0 I' p5 `4 |, Q
- STX Enemy_Index_Begin' ` Y9 H- H/ @" J
- RTS
; [8 O* O4 k. L% `$ ~7 ?% | - / w: C, }( z; {/ F' e) N
- ;查找最后一个敌人
- b) I# P/ r% }3 m* o, t+ f0 w1 n" P - Find_End_Enemy:7 U$ w4 Y5 ?! f! f
- LDX #$0F) L/ \' r" w# W
- Find_End_Enemy_Check:3 H/ ~# ]* R3 m( y# w
- LDA Enemy_State,X) ?/ m9 z; I: ]7 Y5 h/ w9 M
- BEQ Find_End_Enemy_Check_Continue. P3 m _' w- K& S6 f' J
- LDA Enemy_Blood,X6 h* O" c! c- y9 ]1 F* \0 y/ v" c
- BMI Find_End_Enemy_Check_Continue
( k( w6 r4 R6 L5 f - BNE Find_End_Enemy_End+ A1 a1 }9 q( b) R5 m) y' R3 t& E1 t
- $ S% o& |: y4 e' A/ O
- Find_End_Enemy_Check_Continue:
, f% E/ j" D0 Y- h) W' _6 V+ s - DEX
8 h% L9 M [3 U' X( H) q - BPL Find_End_Enemy_Check
# { i* @4 l' G: M! H9 Z - Find_End_Enemy_End:; ?9 h/ w) `7 c' W7 c2 V; d" j( i; P
- STX Enemy_Index_End
- G+ G$ p+ p3 j+ d- O/ \$ F( b: Y- h - RTS
' E( k: |* g6 ~9 W( p9 o
* `2 Z. n- l' \) f+ ]- ;子弹追踪
* u7 X/ W3 D. V; ^. @ - Bullet_Track:3 V4 R u; a) j& ~7 }
- LDA Enemy_Index_Begin; z% j! I) ~, u0 {
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
) R' H1 x, O% k: C+ M - LDX #$00 * z& z: ~, e; t P( F2 E% s: l
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)& M6 H& f" |1 d" d# ?$ Z2 K. U& H4 R
- LDA Bullet_State,X# v [4 x+ O/ ?& H
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
5 r2 X7 F% C( V7 z1 F - STX Loop_Index_I
- b/ F( Y% h ]1 C2 H! v+ u - ! R# l* C: e* c4 E) V/ y
- JSR Bullet_Track_Enemy
$ P, j9 C! e- ?% z - JSR Bullet_Tract_Direction
5 u* t2 R* ?5 G. ~( g, I9 O - 5 ^# Q( M6 k5 t. e4 y
- ;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' P( R! J2 B2 q; Z
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
9 s F+ Y0 {; N2 }; i( i - LDA nEnemyIndex
; z5 z& ^. I; T' i; U; ] - CMP Enemy_Index_End: a. ]% S5 W& v4 M2 x8 t8 s& W
- BEQ Bullet_Track_Check_Continue
7 R9 e1 A. i1 N* ?) x7 \9 h - BCC Bullet_Track_Check_Continue) e3 v, @5 S+ O6 _3 k
- LDA Enemy_Index_Begin! X/ F) S* @+ P7 R6 h9 o
- STA nEnemyIndex' f& _4 u! a6 Z6 V; ^& @! u
- ) T- t: n# b# Y
- Bullet_Track_Check_Continue:
! i5 x' U* Z$ ^! o2 ?$ j" B# E - LDX Loop_Index_I5 `( X: g' C5 H h1 E& b
- Bullet_Track_Check_End:3 B- F" j1 C8 r n
- INX
, i0 E9 m. n8 h/ o' | - CPX #$10$ M( P- k( g2 _. n' Q' Q
- BCC Bullet_Track_Check6 R! g* I% _ s4 L+ ~! i' Z
- Bullet_Track_End:
Z4 [5 e2 @4 |* w' m( E - RTS
. J: N1 Q3 _: Y5 D$ ]6 B9 r -
- c. }2 k& \7 N* O0 P Q" F - ;给敌人分配子弹
4 o% l+ d/ W4 A5 ]; D/ Z8 j, a - Bullet_Track_Enemy:9 o4 V& `! K; u) J' C
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
5 T; u" V6 T& K1 |( K( s" m$ I - Bullet_Track_Enemy_Check:
- t% p' u! E* T: w* `2 ~ - STX Loop_Index_J/ E+ i) s0 B, i; D2 l8 \. z
-
% o* p/ Q5 M4 i/ U! I1 p - ;if (0 != nEnemy[j] && -1 == nTrack[i])
8 ~' Z# V2 L9 z+ m - LDA Enemy_State,X
( h Z- V. W- n' z - BEQ Bullet_Track_Enemy_Check_Continue
) ?) ?/ w$ ]# E - LDA Enemy_Blood,X( X' |' q, ]- G$ a+ d& L$ U
- BMI Bullet_Track_Enemy_Check_Continue
M e) S5 e4 o; ]) e+ J) P6 x -
7 X# S& y+ x7 I# t% }5 l2 Q - LDX Loop_Index_I
0 k X) B) x2 J, O: s - LDA Track_Enemy_Index,X0 a1 A* m; Q' l$ R% R
- CMP #$FF
& ~, W# M* h! u. t) Q/ O" ^) ] - BEQ Bullet_Track_Enemy_Init
8 `2 o9 q) x) J4 s3 ~ -
5 f; x3 D) Z8 y7 R$ t, X - Bullet_Track_Enemy_Init:
b- n) f( @$ V - LDA Loop_Index_J
4 ` \4 Y G2 b; e. A) l/ X; u* E - STA Track_Enemy_Index,X ;nTrack[i] = j;
9 Q. e: h/ B! B% `5 i9 t; Z3 P# l2 u9 k - 0 D R9 }/ \" A9 G" J6 N
- STA nEnemyIndex! {* P4 ~. j9 L: c
- INC nEnemyIndex ;nEnemyIndex = j + 1;
. {0 F! x1 I0 ]0 r4 e2 I - RTS ;break;$ h1 _& f* ^( {$ E9 t/ O: f
3 j* ^. {" _! r7 K: t- Bullet_Track_Enemy_Check_Continue:
0 d1 c) M2 |7 {1 P9 a - LDX Loop_Index_J3 ?$ v5 E1 P. `" j( S9 u
- INX ;j++! r0 J$ d, \8 Y+ s. J
- CPX Enemy_Index_End n k, u7 {% P) w# |
- BEQ Bullet_Track_Enemy_Check6 _+ @$ o* N4 x# W1 m) g
- BCC Bullet_Track_Enemy_Check
- P2 ]& l8 s) m1 M - Bullet_Track_Enemy_End:6 a% L3 G7 d# |* g$ z) x8 q
- RTS" ~, b0 w* k6 v
- / k- e( x: G( ~) z7 {) C. {
- Track_Enemy:" y% B: X& R2 Q5 M
- LDX #$0F
. i* l6 J2 i; z5 ^$ z7 I, v - Track_Enemy_Begin:) U' a/ [5 y! z" l# O$ e
- LDA Bullet_Icon,X) j( _ l5 n4 z G7 Q Y3 I
- BEQ Track_Enemy_Continue8 J( g" |+ {5 z
- LDA Bullet_State,X5 S5 I( ]( a' t( T/ y
- CMP #$01
' ?, [! u# M5 s4 M - BNE Track_Enemy_Continue; g; `) K6 ~9 T
- 2 u6 Z T5 [ {7 q. G/ _: ~6 I
- JSR Track_Enemy_Process
) x" A5 X1 J: c0 U - 0 _" Y7 m6 V6 G5 C; J6 m; C! v
- Track_Enemy_Continue:+ p8 y' t8 G: }5 n
- DEX; A2 K8 y- d8 i
- BPL Track_Enemy_Begin
# m9 m1 x* v- G; c3 d4 R - RTS B4 N& W+ y+ [; q% W* W) D' O
3 k+ _5 s' ^7 I- ;普通关卡, _$ Q9 Z" ~1 [! o
- Track_Enemy_Process:! Q7 k+ U( c& S; f
- LDA Track_Enemy_Index,X
+ ~# {9 Q0 f( K5 |4 z - CMP Enemy_Index" L/ h4 a+ d8 |* k* n: _
- BNE Track_Enemy_End
) X+ O/ j$ l2 {) r1 o6 | - LDY Enemy_Index
9 v- _1 f7 ^- ~- J5 _ - JSR Track_Enemy_Y
5 W% ~/ t6 ], f - LDY Enemy_Index: n% p$ }) ]' _+ V
- JSR Track_Enemy_X
; V6 I2 X/ O3 e - Track_Enemy_End:9 M! v0 y; b3 _* f! J; {8 o
- RTS" A2 U2 N) ]+ J- b! O% J3 \
- - Z: q) a- \7 a) o2 h& i9 Q
- Track_Enemy_Y:$ W" |. C6 i# M7 w
- SEC3 z! r; K/ \; ]/ B7 ?* Q7 h j2 I
- LDA Bullet_Y_Pos,X& e2 x# Y$ \/ y. ~) q& P
- SBC Enemy_Y_Pos,Y2 L% I2 {( ^) r& Z7 H2 ?& K' M
- BEQ Track_Enemy_Y_Equal
2 p- \6 y, q4 ?2 c# i - BCS Track_Enemy_Y_Greater
. A# ^9 Y- }: J# \3 Z% L t: j - ; V+ K( J- o1 u; ]6 T% k
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y
/ L" U% j2 H, E# U; W- z7 T - CMP #$FC* }4 {$ n' \1 a0 O W
- BCC L1_1
: J$ a- T: L1 l - CMP #$FE+ m: m' d" @& l& i
- BCC L1_2
- g2 I( L, t0 C- |" y- | - LDA #$00
, d8 i0 `' d0 q" W! a' l - STA Bullet_Y_Speed,X
& r$ a4 w4 o, n4 ?+ `9 @1 |& \ - RTS' y2 Z0 Z, f* l5 c- @, D
- L1_1:
1 a4 s& e0 G/ m5 E( O - LDA Bullet_Type,X- R" p7 G3 \, Y. R& u; p* t
- AND #$0F5 z, L* {$ W& v! k6 h1 M0 d
- TAY
% d6 F# L% V0 ^0 j( ^3 m) s3 ` - LDA Bullet_Speed_Data,Y
* z7 D7 `. g5 X2 S3 O4 u" _ - STA Bullet_Y_Speed,X
+ X' Z' w* p( n2 n: V - RTS' B; z- { G7 M9 M
0 m; Z2 W5 N$ O# ]6 N- L1_2:
) L o- J# I; n4 ?/ z5 a - STA Data_buffer
# m! x' c$ Q$ P( s - LDA #$00
) l3 b' v. z7 k - STA Data_buffer' |: x4 n1 y2 P2 p
- LSR
8 X! f! b! F8 w+ ]& V - STA Bullet_Y_Speed,X; N; m+ |2 H1 r' q: L
- RTS& Q( z/ m# l3 Z: i, O
- * ?# I: A! m3 ]- p
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y) {! A0 T/ j5 ? d
- CMP #$04# w+ @ B; P/ S; Z0 p
- BCS L2_1$ i# z0 P C2 T. d
- CMP #$04
. N/ D; c& |2 b, C z4 ] - BCS L2_23 L' m5 a& m6 l5 q5 @6 q! w& P) A# U3 V
- LDA #$00 S" m7 X7 w% ~' S( }# w
- STA Bullet_Y_Speed,X
7 Y0 K# |. R$ K& g6 [ - RTS
9 z5 r/ A+ G" | H3 s) D' t. o2 { -
, Q+ |$ f* S) R( _+ _ - L2_1:
: d2 \% L8 \; ?7 o5 c3 } - LDA Bullet_Type,X' m4 R- R9 _3 o r' }$ Y- p/ I1 z
- AND #$0F* Z7 h+ ~2 E( K( P1 U. v6 D
- TAY A5 b' ~, l$ y/ p! K& c$ h1 _
- LDA #$00
! p. z0 M/ \" B) H% \, M - SBC Bullet_Speed_Data,Y9 a2 Q$ M4 B/ X
- STA Bullet_Y_Speed,X
7 S4 K) |3 u' l2 K2 K - RTS' ?/ T6 V6 t, e: L
-
$ p# Q0 a. E3 Z& x! I - L2_2:3 H; ~# A& ~" _; Z
- LSR
, ~3 ]7 x2 B+ U- z* s - STA Data_buffer5 }! ~2 ^. |8 J2 d
- LDA #$00 y# F: i9 A5 i- ?2 {
- SBC Data_buffer
8 c6 ]+ l9 c$ H - STA Bullet_Y_Speed,X9 n4 d7 c& v3 c9 O4 M Q: j9 e
- RTS
$ P: A: _0 _9 s0 q2 S ?8 g5 I' A - ' a, H# N; G% z( T, |& s, ~
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
* a$ y; `- Z9 W - LDA #$00% J1 E- A9 Q. H6 ]% F
- STA Bullet_Y_Speed,X
2 r0 K) C* m/ d - RTS! Y3 A7 i2 n( }
-
?- A/ @6 k2 w8 M/ W/ e R& i - Track_Enemy_X:: H% R. E* z( N& {) q% W6 r
- SEC G* {5 ]7 K3 e5 x9 w7 K" h- F7 r
- LDA Bullet_X_Pos,X
/ R9 c' e/ t( D K9 x. G, L0 I - SBC Enemy_X_Pos,Y
# P" @! @' r$ P" X - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X" v, q9 C# }, e7 W! n
- BCS Track_Enemy_X_Greater ;子弹在敌人下方" d( r/ a) i; C
- , E9 ?( J8 b' G* j, B0 Y |+ ?7 b" y% {
- Track_Enemy_X_Less: ;子弹X < 敌人X
# G5 |# e- I' q. K - CMP #$FC. W6 i- N$ T& {$ G4 n5 ]/ E
- BCC L3_1
7 r3 S( s, t l B - CMP #$FE7 {6 g- n$ c o. p9 P
- BCC L3_2
# f2 G. F m/ A; m - LDA #$00! ~0 j* }% ]1 |; _* z# t& l5 D
- STA Bullet_X_Speed,X
+ W4 r) S9 T' E- g$ g8 D8 f5 o - RTS$ e2 j0 G* E- f( I( g5 K) |8 ^! s) c
- L3_1: % ]) r. Z4 r$ A% R+ p4 r4 N
- LDA Bullet_Type,X- {8 S9 d. W$ u7 o9 H
- AND #$0F
) i4 ?# P& Y- T9 C' j - TAY
0 p8 M1 S0 m8 X - LDA Bullet_Speed_Data,Y
c; s) H3 J8 {9 l - STA Bullet_X_Speed,X+ i6 C' y$ Y6 k
- RTS( U# B8 k8 o2 V2 P* P+ K
- L3_2: 5 {; d$ u: k. O
- STA Data_buffer) }1 J k% i8 n! j6 y2 p$ H
- LDA #$00
2 R& }) ~/ A( P d- P - STA Data_buffer
- x2 n/ B2 Y3 w - LSR
' v2 `( v# p1 {* q. \3 O. _ - STA Bullet_X_Speed,X
$ T* J( h& L( B. T5 M$ W - RTS; Z {' g) p: c5 [- K4 w8 R
-
7 S6 ~4 z9 [, t: t - Track_Enemy_X_Greater: ;子弹X > 敌人X1 {' X" y9 e |, t$ p) l- F
- CMP #$04
$ T) d& i: f2 V7 [- [# `* m* V - BCS L4_1
4 o' x# G5 A; t) s+ Y% D+ U6 y% E - CMP #$02
# o( v. ?8 Q4 s$ [# p/ N3 N @" A( t - BCS L4_26 g- r1 Z# n! S9 ^
- LDA #$00" x% D. N6 \, r E! c% D
- STA Bullet_X_Speed,X+ B6 t( g* @1 {5 ?: G/ a
- RTS
/ }6 W# }9 q- U, M# Q - 7 u. Z6 e/ O P) k$ ^
- L4_1: ' c& \- l) E* M" G0 f0 ?. a
- LDA Bullet_Type,X
9 U! y$ c8 q4 ?7 O: K - AND #$0F
2 a- H- r& l4 Z) l* g' r; p - TAY
, p3 O) e2 Y) I0 z, c - LDA #$009 _2 O1 z* x1 O3 [4 D( U8 }. O
- SBC Bullet_Speed_Data,Y9 x' X- W/ |; V
- STA Bullet_X_Speed,X6 z1 ^# q2 V$ W; _* l2 d% @
- RTS
' D* `: Z! Q C' L% G; o, M3 I/ u - L4_2:
- E5 w+ x8 r4 ?# \" l - LSR) Q* C6 [6 f1 }9 `6 x; j& I
- STA Data_buffer
" S& [: X" I9 m# ~( A4 B- W - LDA #$00
4 X8 g% i& e0 Y2 k) [6 q" k+ C6 \ - SBC Data_buffer
) I. m9 l0 e' [" U - STA Bullet_X_Speed,X
% ]# l3 m% l2 X0 l2 Y3 L - RTS
6 S! W Q# @/ w1 H% j -
5 } h* x( F( Y2 D - Track_Enemy_X_Equal: ;子弹X == 敌人X# U' O% C6 }: K) W$ e1 S( a
- LDA #$00
7 a3 N: m" {! I" S+ F - STA Bullet_X_Speed,X4 s0 s; P7 Y t+ W' ?# g
- RTS$ p- O, i- U# Q
-
0 ^. j3 ~7 d1 s: c( V) ` - Bullet_Speed_Data:
! ~, i0 k* |) d- I2 {9 U - .DB $00,$03,$03,$02,$03,$03
/ _/ U9 c H; h% { - % o Y4 j8 o/ F4 R
- ;2, 4关5 g8 N: ]. _8 @! Y. t0 b9 K
- Track_Enemy_Ex:
3 ]( ]7 @; H. d2 C* ~ - LDX #$0F
, | j; F5 J7 Z( F0 S' s& q - Track_Enemy_Ex_Begin:: F$ w# i6 Y1 _; E& a8 O; x
3 I, I# ~$ l& ]" t7 }$ n- LDA Bullet_State,X2 C0 g+ Q- `# ]: l. l g/ n4 U
- CMP #$01
& z B; ]5 ? A - BNE Track_Enemy_Ex_Continue
9 y8 N. [: S8 p' B - ' ]7 I) W7 D/ ?4 N: r7 b" r% R
- LDA Track_Enemy_Index,X5 B5 h/ p# K/ U8 ]
- CMP Enemy_Index
, l! g1 a- X9 r8 G - BNE Track_Enemy_Ex_Continue ;匹配追踪目标
* s' L4 R5 s1 h$ Q - / r# k) |; d4 f: @6 a( A0 G
- LDY Enemy_Index
9 q& q. i, u0 B1 V - JSR Track_Enemy_Ex_X
8 r4 q/ ^6 u( q6 |$ P3 B: G( s -
: U0 e! K5 w( z' r6 Q - Track_Enemy_Ex_Continue:
6 [8 H- ^0 P& S6 }& a - DEX& ^. ^' S# U, F, I$ B. m
- BPL Track_Enemy_Ex_Begin
( x" Q7 a% y& Y7 E' ~$ o" \0 l - Track_Enemy_Ex_End:& m8 W+ K9 D: k6 L: n% L8 ~
- RTS6 [2 R+ Q* _4 h, {. t. s
- ) a: S5 f) J* u. G; U( P
- Track_Enemy_Ex_X:
1 w5 d! |! ^, s% S - ;LDA Bullet_Z_Pos,X/ p' T0 n( P W* p; a2 k! q' {9 Q
- ;CMP #$049 u+ k7 {/ n' L
- ;BCC Track_Enemy_Ex_X_End/ L, ]+ s- a/ q5 b8 u
- SEC
! `; C: z3 [( c+ `, _% K - LDA Bullet_X_Pos,X
6 g) Z0 o! j2 e: U - SBC Enemy_X_Pos,Y
/ X* v9 m7 ]- v( A( `4 Z) `0 n - BCS Track_Enemy_Ex_X_Greater
4 t) h+ I9 V6 J -
. ^3 N0 P2 u! ~. s8 h4 F% N8 v - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
; }( a# {( D: T - CMP #$FD
4 K% _9 U) L$ _' \- W - BCS Track_Enemy_Ex_X_Less_End$ ?, E. H. Q" `
- LDA $6020,X0 `* e) C! `8 X, g
- CMP #$2A% U8 _/ J1 Q3 h
- BEQ Track_Enemy_Ex_X_Less_L1& p" D' z8 p* U+ V. A
- LDA Bullet_Z_Pos,X" @- ]$ G! k! Y% D
- LSR
) q3 G' i# Y+ C4 B$ D* _/ ~ - TAY2 A( ]2 D# \! d1 B9 E8 L
- LDA Bullet_Speed_Data_Ex_R,Y* A# H% H: c/ ]0 c8 V. e8 l
- STA Bullet_X_Speed,X- a7 c: b! H! _; ?, R" T
- RTS3 |/ _* L1 Z9 C/ y
- Track_Enemy_Ex_X_Less_L1:
% ~# R8 R" C N0 v; Q3 B - * I. k$ P$ p9 E6 a$ O% |' J* S
- LDA Bullet_Z_Pos,X1 M2 S. j ]+ g, p' t( h; q# _
- LSR; N* I& {( ?" T+ X
- LSR
# N. |; c- y7 R B - TAY
8 n6 h. }6 _5 ]% ?4 s( } - LDA Bullet_Speed_Data_Ex,Y- U9 l6 N# P- |3 J& T" i% k d
- STA Bullet_X_Speed,X
8 r7 U4 T: X" H: }5 m, k - RTS+ {3 w9 X- ]# W% L4 j7 P
- 8 B' L3 Q' p2 k1 e( g
- Track_Enemy_Ex_X_Less_End:& D4 W- g+ V9 i8 E6 @7 S/ x
- RTS7 C/ K3 A2 q$ y7 o: `
8 `/ K$ f/ h5 Q z1 `- Z8 W% @. H- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X
7 K- h( n; J7 U$ r( x - CMP #$037 `+ e) P3 F6 k
- BCC Track_Enemy_Ex_X_End
8 w- i( q) V' o$ h; l4 I0 M - LDA $6020,X
* O$ g4 w) \4 J3 E8 S - CMP #$2A
1 R/ J- f N v5 D0 d - BEQ Track_Enemy_Ex_X_Greater_L1- v8 K6 m8 D2 o
- LDA Bullet_Z_Pos,X
0 g+ v2 I3 l7 q' B" t$ `! D - LSR% p- p; ?" i; [: J. l
- TAY- ~; ~. l0 k$ C. G* m: h
- LDA #$00
4 l. D+ c c8 {' u# ` - SEC( [* j6 H* U; p4 _5 `7 a# z% S
- SBC Bullet_Speed_Data_Ex_R,Y
d+ ?4 Q- F1 t; W3 r* q& X - STA Bullet_X_Speed,X K4 v3 P) `8 @" E% L
- RTS
% s s- }6 B0 _9 l; e$ _$ @ -
+ D% J+ e# u2 D0 I o - Track_Enemy_Ex_X_Greater_L1
) ?& \4 C7 z4 T9 S; g! i' { - LDA Bullet_Z_Pos,X
6 N, Y( x, N- {0 n- D; x( | - LSR
- z% e6 Y$ A6 e' \ - LSR
5 `0 m) v1 n" Y% Q9 G: [ - TAY
0 B0 W, Q- b4 D: e$ y& @ - LDA #$00
2 Q% f I# u C! j/ U. ` - SEC
% K: j. f8 H7 Q3 k- M J4 q - SBC Bullet_Speed_Data_Ex,Y
9 X- C4 A' L" _, ]0 s, a( i, j - STA Bullet_X_Speed,X
" i% F& A7 i. b+ D9 B6 C - RTS' x* D5 M' q9 |+ r8 U" {7 I
- - `. o, [9 J( v. \! I4 V8 v0 _2 K
- Track_Enemy_Ex_X_End:$ t# L, d# L+ _8 t
- RTS
1 h6 S F2 r y! `2 h" Q - " {* \/ g' [0 s( 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)) R" M9 @; }! @( Q
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上2 W; H0 ^; N! X% R
- Bullet_Tract_Direction:" J% P, o- Z7 @
- LDA Bullet_Icon,X8 i) |* N+ Q- @
- CMP #$23
, j' \; r2 K8 p3 Y$ F6 r; b - BCC Bullet_Tract_Direction_End
1 G4 S% [! o2 X# c2 b8 ^: T -
, y# h: }5 T1 a. q5 n - ; X != 05 D* X' Q+ |2 }* ]5 R, {
- LDA Bullet_X_Speed,X, s6 o9 ]. B, g* A& G. U1 G# @
- BEQ Bullet_Direction_V* e6 W% m8 y+ |1 B! H
-
0 u2 M) M+ p6 V6 ?9 K2 C3 K9 r9 P& d - LDA Bullet_Y_Speed,X
/ x7 M- [( t8 B5 U6 F# ] - BEQ Bullet_Direction_H
- } i% S7 S* Q$ Y" y5 ^ - $ y& m% \' g+ B7 M! K
- LDA Bullet_X_Speed,X
6 v4 u' ~8 Z* e4 k4 K7 p - BPL Bullet_Tract_Direction_Right0 S. O' x0 Q# ~. n% N1 k
- Bullet_Tract_Direction_Left:
0 i6 }& H. @, j- g/ M) A - LDA Bullet_Y_Speed,X
- G6 c1 o- T. @3 t - BMI Bullet_Direction_Left_Top4 i) Q: k& [( N: K- b+ L! e
- BPL Bullet_Direction_Left_Down4 Z5 j* ]) x0 z0 D8 T, K& D
- Bullet_Tract_Direction_Right:
. Q/ Y# v2 i& B - LDA Bullet_Y_Speed,X
5 i, U# ?8 ^) j0 X* n - BMI Bullet_Direction_Right_Top. \$ \1 n$ p; a% s) L F
- BPL Bullet_Direction_Right_Down
! M# J+ ?7 b4 C1 v - Bullet_Tract_Direction_End:
, C" I2 e, P! X' j. @ - RTS
) P4 A7 G+ `5 c$ B# w* h" u
& p' U/ G. C# h# n5 M- Bullet_Direction_Left_Top:+ S4 X7 w5 s7 R x) O+ C
- LDA #$25
1 H# Q# P$ n4 D8 d; t* y - STA Bullet_Icon,X
: }: P, _" O( B8 a( o! ? - LDA #$C0" k& y5 [5 P0 P" j& X, x7 c
- STA Bullet_Direction,X
; m6 `7 P9 `& Z0 ]. m$ E1 T2 t - RTS5 q9 S0 n! [. X% u4 M8 Z
- 0 ^3 U2 L+ b. f$ r4 P
- Bullet_Direction_Left_Down:
( V4 ]$ h0 c% W - LDA #$25
, ~( m9 N" U" Q2 F+ Y/ B1 t0 ^ - STA Bullet_Icon,X1 S; S; ]( X% S# c& C
- LDA #$40) U7 a9 x8 p4 T; A+ s' `
- STA Bullet_Direction,X
% Z @1 ^+ J, C- x5 T9 Y, I - RTS
' l" \9 {6 P- o5 j+ h d - ; U. R. s- h* w8 {/ W* v
- Bullet_Direction_Right_Top:. b" w. s- G$ K( W& S
- LDA #$25
" D t' b3 `5 }0 F U6 Q - STA Bullet_Icon,X! b& `9 s' r. k
- LDA #$80
" Q0 t( m( O2 _ - STA Bullet_Direction,X
& ]1 t- P9 p2 y& P - RTS! h4 f/ C8 W" w& v7 g% B9 [
( s" p# g, f# i6 z' y/ P' o. e- Bullet_Direction_Right_Down:4 [, U( Q3 V& a& _8 E0 K
- LDA #$25' z; D9 F0 P! r) m* {' n: `; F# Q
- STA Bullet_Icon,X0 Y% L- j: b5 i* b9 `" U
- LDA #$004 t7 P: U( S# R0 z( |% g% @
- STA Bullet_Direction,X: K' U) R0 s1 P9 ^
- RTS2 N; e: ^: a) O: e. v
- $ i7 s% {1 ]1 X) V, [/ F
- Bullet_Direction_H:
) J+ e) d4 S# o- c - LDA #$24
$ w- A W2 c# @( g q z. S - STA Bullet_Icon,X) w6 S" l+ p$ E1 T
- LDA #$00
+ f' o; |+ z9 S% Q- [+ b8 f( X - STA Bullet_Direction,X# Z( W+ P: t: h% \/ e7 ]! F6 B, _
- RTS! l" e& I' _7 X
- 6 S0 c! e- i M0 u5 p5 @4 J
- Bullet_Direction_V:' b' H- C0 ~% p2 v9 h0 B- V D
- LDA #$23
4 ]% `8 K' b. O - STA Bullet_Icon,X
; q0 |4 Y4 S; p I3 Y! x - LDA #$00
& Z0 ^$ O/ I7 a8 o - STA Bullet_Direction,X
! {2 s5 V! o6 [ - RTS$ y$ S4 T. \9 Y- r6 u1 j
! w' e. I8 ?4 ?2 _& D# ~3 ?- Bullet_Speed_Data_Ex:# K' D1 Q( \+ m |$ {1 Y+ i
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
" R) Q3 Q$ u& x! F& Y - $ {7 ?/ M; |. B& v
- Bullet_Speed_Data_Ex_R:
7 e0 U- U1 D+ o4 J - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08) x6 H! h* |/ ]: B
-
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