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[FC][魂斗罗][J][追踪弹]+ c" H: a* j# R, K; z# k8 b
A" L' T, n4 W* @. R时间:2023.04.30
w" D& t |! V3 ?1 G作者:FlameCyclone
$ Y- q! t- n, O5 |) N% N内容:
E) U/ F( B. ^- F 1. 所有子弹追踪敌人
/ i2 q* T) _' T' ?! p( V 2. 选择键切换武器$ c8 ?/ ~! ~& P( u5 q9 v- x4 V
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) D% X# Q2 V, c* V! C
8 K) L+ R5 f; P B
flamecyclone.ys168.com i4 F# r8 J3 P5 K! f3 v( O
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁: q, R% b0 [- y
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L0 v2 a4 r7 w. [/ a+ C" 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)( g2 A- s' [! d. |
- $ O; M0 ^6 c- J/ ~& {) _; 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)
u+ ]# {0 M4 M* g - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
( d0 L; C( r& ^5 }5 O5 t) { - : i/ k$ W- u, [" ~9 l' u( G
- Track_Enemy_Index = $6000 ?# f1 }8 c6 [0 D- B( e/ m. X
- Enemy_Index_Begin = $6010& W% E% ?) o/ Y: r9 \
- Enemy_Index_End = $6011
; X# C7 g8 ^7 U; B9 f7 h - 2 p3 G% ]. b5 B8 f( z
- Loop_Index_I = $6012
$ h% k' L+ o C }+ Y4 B; D - Loop_Index_J = $6013
2 i6 D# |5 F! A3 F2 s - nEnemyIndex = $6014% d: ?4 h! r' o. i: |2 j8 g7 ]
- Data_buffer = $60154 ?: ^1 k$ V0 W$ Y* X
2 K* a) m2 l1 w- Bullet_Y_Pos = $03B8 ;子弹垂直坐标# G" X' @4 e! ~
- Bullet_X_Pos = $03C8 ;子弹水平坐标6 L( [2 j% }6 p; B2 p; k
- Bullet_Y_Speed = $03F8 ;子弹垂直速度
% L+ c+ i0 d$ t2 S ?+ z - Bullet_X_Speed = $0408 ;子弹水平速度
' U( E( o$ h" @2 G: A$ W, e - Bullet_Z_Pos = $0418 ;子弹Z坐标0 R2 d' T2 n' r4 P; d
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P' L6 j+ }$ B4 P* Q0 I" U0 ~* d
- . }- V. _# X; b
- 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2 g- J( F1 ~& E0 d( h) U
- Enemy_Blood = $0598 ;敌人血量
5 ~2 |: y; Q* N3 @ - Enemy_Type_Addr = $0528 ;敌人类型
3 g+ P3 w" l5 ~; X* V( p% @, ] - Enemy_Blood_Addr = $0578 ;敌人血量5 l$ J* W0 d2 b" ?0 b2 e4 X
- Enemy_Y_Pos = $0324 ;敌人垂直坐标% T! p3 E) B1 Y+ @
- Enemy_X_Pos = $033E ;敌人水平坐标
6 d# g$ d3 B3 Q: z - Enemy_Y_Speed = $04E8 ;敌人垂直速度
3 r7 L, d& L4 y3 J! I0 D! o - 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 I3 e' g6 ]0 M0 I
8 _6 l# d- J4 a9 {% G/ J1 `% r, |- Enemy_Index = $83 ;/ |* v8 Z/ b; ^( w; L/ w! Y3 H
- Time_Count = $1A) m. i" z5 Y% K9 B; R
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
: N$ y$ B& M6 h5 K - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率/ N ]$ Q* E7 B) s/ T
- : r+ n, p; Z7 L2 q/ Z, |5 [- O7 t
( Z* O3 E+ @* W7 T) p- .ORG $6100
3 M/ K* z1 [4 ^, R# u; Y0 N - Process_Begin:
) _: E/ e" s( u$ F5 v6 U - JSR Enemy_Check
4 @/ p3 [1 p, |3 n# U - JSR Track_Enemy_Check) k5 H$ |3 A# G& a; `
- Process_End:+ Q$ Q, v1 j, ]) ~: P6 j5 q
- JMP $E54F
9 V4 |* f. p7 `, s" O5 L - ) c) @: e) D! Q! q' @
- Enemy_Check:# F8 [) G/ Y9 S3 v2 F: F0 _
- LDA Time_Count
8 d6 E1 Q* V4 M - AND #Track_Bullet_Speed. n9 B% p0 ]/ }* E+ R! ]
- CMP #Track_Bullet_Speed) q& `6 \, ]) u3 G/ J
- BNE Enemy_Check_End
% ?( |5 Z. V: v/ `- y+ B - LDX #$0F
$ Q V7 T8 `* w, a* o ~5 O" Y - Enemy_Check_Begin:: d" G& ?, x$ z m2 v
- LDA Enemy_State,X( u! @' b: B- M; D+ e% k
- BEQ Enemy_Check_Continue, t1 q! u" j! E$ J8 ^8 Z/ g1 s
- STX Enemy_Index( c- c. `$ ~; D
- JSR Find_Begin_Enemy ?. n$ _. Q9 U# ~% ]6 B: ?
- JSR Find_End_Enemy
' X5 ~% V/ L4 j# v; s - JSR Bullet_Track/ k% F1 d: D( @8 b2 n
- 0 m$ w- G& d1 I( H
- LDX Enemy_Index( ]6 J( s+ Q- E1 h6 m& P
- Enemy_Check_Continue:* P1 _7 P. w+ ^
- DEX
( z& @6 Z1 J4 J+ ] - BPL Enemy_Check_Begin9 B% W W$ L w
- Enemy_Check_End:
/ g2 w. o. E: ?+ O! b# U- y - RTS
# ^0 \3 H& `9 l ] - - z; \( M: C5 ?" W0 k' ]& b
- Track_Enemy_Check:
: a2 k1 d5 o; v" t" G0 Z4 a% H7 A - LDA Time_Count" U/ ?9 c: }; v- x& ?
- AND #Track_Enemy_Speed
( A5 w, l# \2 [ - CMP #Track_Enemy_Speed
9 Y; m$ M# U& W; x+ W6 E3 g - BNE Track_Enemy_Check_End! e$ D0 T; t# q k
- LDX #$0F5 N5 e. i' Z4 s
- Track_Enemy_Check_Begin:
7 A1 X* E9 g# u0 q+ o - LDA Enemy_State,X$ O( n" {% P5 x8 W% T$ U9 E5 }
- BEQ Track_Enemy_Check_Continue* v& O3 c+ U* v1 v$ J6 \
- STX Enemy_Index% o8 m1 ]) h: g
-
$ ~/ ]6 B$ Y1 A0 p+ ?! Y { - LDA $40
% }* z% f" G, @' ~# v# K1 V3 Q6 Y - LSR# F8 ~; N* u0 l5 A; l b8 E
- BCC Track_Enemy_Check_Begin_L1
( o( p* J" q4 _2 t -
4 s( I! L+ G: j% C8 S - JSR Track_Enemy_Ex ;2, 4
' h4 F% C$ V, Z - LDA #$00
/ R! A, y* D3 Q+ I. A) r - BEQ Track_Enemy_Check_Begin_L2; J+ m6 o8 B3 S! `" g, L
- ; M4 n( p0 f9 J1 \9 n/ O
- Track_Enemy_Check_Begin_L1:
! g- K* _4 B. k. T# a -
4 K9 U5 l( ?. C$ j - JSR Track_Enemy
, ^7 O$ d& D" A9 ~5 I - 2 U1 L# `, V" ]" E
- Track_Enemy_Check_Begin_L2:+ ^) B: I3 J# Y( k
-
0 W# v d9 m e& v) f7 d. j9 E - LDX Enemy_Index/ h9 b4 S# v! ` F e" q6 ]
- Track_Enemy_Check_Continue:
+ R1 e" m0 u" _; e. M1 {+ e, h - DEX
% ^! C0 ~( a5 y - BPL Track_Enemy_Check_Begin/ M0 b+ O! w H( k- o: L; V4 V4 Y0 ^0 q
- Track_Enemy_Check_End:
" G, C) _2 Q& _) d' ~/ z - RTS
* Y+ e0 @9 l e0 B; H - ) L6 v* {( c; C
( w) `) J7 t( g, x; p6 ~/ t- ;查找第一个敌人
5 A! e2 U; {: x" n: s i - Find_Begin_Enemy:
, ~ r- f" p: W9 P8 d6 ]" d7 J, I - LDX #$00
" }* T2 N; v( N1 Z) W X) I' h - Find_Begin_Enemy_Check:
# Q! }% a# E( ^7 H- W; i& @7 x3 z+ { - LDA Enemy_State,X
$ N+ k: q% i9 _ - BEQ Find_Begin_Enemy_Check_Continue" E7 C c6 i) P0 W& I# U
- LDA Enemy_Blood,X
( \/ L4 h) ^8 { - BMI Find_Begin_Enemy_Check_Continue
, }* r" Y0 N' m5 Z! f* A - BNE Find_Begin_Enemy_End- s: v/ [- Q+ h' F) x
- 5 M2 p3 b+ m& @% H! ^2 q
- Find_Begin_Enemy_Check_Continue:
2 Q0 K& Q; U5 w) S- P5 J - INX
% O b; E U0 y3 s' A5 m+ x1 @ - CPX #$10
. U( {5 H. j8 _2 \! G5 Q - BCC Find_Begin_Enemy_Check x/ N4 k- Z! d6 z$ H
- Find_Begin_Enemy_End:
( Q# [ O% L" W1 Z ~) E. ~/ {( X - STX Enemy_Index_Begin. @% ^* b: h! @/ y
- RTS
* {/ [# f) ~9 c* l- ] - & H3 ?7 D& w8 Y4 O2 g+ v
- ;查找最后一个敌人% w+ X. K& `( L6 f0 _
- Find_End_Enemy:- ?# H1 c4 w1 f$ l
- LDX #$0F
( m& l* c+ V6 B4 }6 a; `0 q' R! o# ^ - Find_End_Enemy_Check:! a7 ]5 J% G# x, U% \
- LDA Enemy_State,X
3 {* A& C! G* G) { - BEQ Find_End_Enemy_Check_Continue
" E- F6 i! Z' N4 w - LDA Enemy_Blood,X! }* f. Z4 W' z" y
- BMI Find_End_Enemy_Check_Continue L7 S. c* q. H* d. f' V: ]" ^3 O5 p
- BNE Find_End_Enemy_End# e5 q8 X4 \: H" G0 L, Y
-
$ Z$ ?/ m5 z' V* v - Find_End_Enemy_Check_Continue:0 \. h1 w0 }; T) D' A6 n" @
- DEX7 N6 d! ?7 z4 \3 c; ~5 ?
- BPL Find_End_Enemy_Check
& [$ f8 U1 |8 h9 [* ] - Find_End_Enemy_End:
. r& t, y! x7 p8 Q - STX Enemy_Index_End* K. g- ~) p) C, ^; ?( u
- RTS+ M4 q! n2 i; I$ ]0 u" q
- 2 n0 j/ Y" b+ C* @8 h' u
- ;子弹追踪
8 b8 V0 {$ Q6 Q3 a+ N - Bullet_Track:# l, X4 d, H& N( L
- LDA Enemy_Index_Begin" ~, Y% g. c3 \" N5 }/ |. h+ i5 v
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;/ x3 x: {4 W2 b& v" r N& S h
- LDX #$00
" m- [, B% j8 p, t2 O2 d - Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
" N8 j" G/ Q% m - LDA Bullet_State,X
- @6 a7 G9 X0 c% y/ I - BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
: a/ W- t. {6 } - STX Loop_Index_I) e0 R4 p3 K/ p( C) O* J) I
-
+ W% G# x" h1 s3 |) Z1 F B3 F - JSR Bullet_Track_Enemy2 z& u. t5 m9 A4 V
- JSR Bullet_Tract_Direction3 I7 E2 M- X- T/ t/ q
- 9 K, }- L8 w2 E3 E
- ;如果已经是追踪最后一个敌人, 则下次从第一个敌人开始追踪. ]! s9 x1 T3 e! p
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;$ ?% ` L- |8 ]
- LDA nEnemyIndex+ ~8 I/ Q+ v2 U. Y) @; {
- CMP Enemy_Index_End8 s9 H3 C+ ^$ [, g
- BEQ Bullet_Track_Check_Continue
6 A/ I& z; G% {, d& E2 i! U# e - BCC Bullet_Track_Check_Continue
0 f/ f9 g0 V3 O8 C$ m! J, l - LDA Enemy_Index_Begin
' M, a6 Z( z8 W- { - STA nEnemyIndex
0 `0 u# N) L& W -
3 P# R+ ^" u/ C7 Z' d( s, i - Bullet_Track_Check_Continue:+ S' X" ~/ K" i. Y
- LDX Loop_Index_I: R& J4 ?' N i( Y4 i
- Bullet_Track_Check_End:8 w# ]- t; Y1 U5 J) g" G
- INX8 |2 \0 c* e4 a; V% c, O
- CPX #$10
3 o8 ~( c2 M( Z0 r - BCC Bullet_Track_Check+ w7 }6 n7 w( H+ Q
- Bullet_Track_End:( I8 ~+ P% D: f+ P4 G; q- N
- RTS# }* T" b; t- B' C
-
# t% m# e/ T) n9 O. ] - ;给敌人分配子弹2 d' I% r: P1 K
- Bullet_Track_Enemy:
; S/ X7 n! N3 n: l7 z; o - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)& g" w3 g) ?- |0 x- m* q; k
- Bullet_Track_Enemy_Check:
7 Y' v! u- O) Q) n# V {/ q; M - STX Loop_Index_J: q2 }! d5 |6 R# l4 v
- 9 O7 ]2 B- W* H$ @8 ]! _
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
2 @: [! T9 _* w# ? - LDA Enemy_State,X
# D3 v2 \7 _; K; U' w, x* s - BEQ Bullet_Track_Enemy_Check_Continue
: l1 s; h. Q' e* H; j+ m6 p% N - LDA Enemy_Blood,X
7 x$ J9 O2 a* X; G& [3 l3 \ - BMI Bullet_Track_Enemy_Check_Continue3 @( ^/ O7 {9 ^! l
- : ^) ^: h3 L, @% r- z$ E3 K
- LDX Loop_Index_I# ~$ `( z$ |4 D! \3 r3 N- _
- LDA Track_Enemy_Index,X
9 G: ?+ z/ @- Q7 N; u, _ - CMP #$FF
0 n5 S" x3 c: G! ~ - BEQ Bullet_Track_Enemy_Init& F, _1 t5 |: x0 @
-
5 \" a- y7 K+ @! A% J" I - Bullet_Track_Enemy_Init:
0 b) |/ G) J2 B$ L! J, q - LDA Loop_Index_J
% q! {+ Z" t z - STA Track_Enemy_Index,X ;nTrack[i] = j;
$ s: Y1 I( Z9 I+ T( [6 l -
$ v/ C0 ]" ~4 i6 X4 } - STA nEnemyIndex
' `+ {( J2 o9 b7 W; K0 V7 \% u/ @" v - INC nEnemyIndex ;nEnemyIndex = j + 1;/ t) e' ]) y4 z" R: j4 ]4 e
- RTS ;break;3 c2 m' j+ ~( {: J3 ~
! y" m7 A9 A7 o6 |5 J$ |, M! g- Bullet_Track_Enemy_Check_Continue:
' ]; R" }% a% Y$ C$ A O8 `- l+ M - LDX Loop_Index_J: [0 l! f( e4 y3 ]# s, ~; n- u
- INX ;j++/ t, s5 H5 @1 [: p
- CPX Enemy_Index_End1 z% a) }- b, r/ d2 h# u; s
- BEQ Bullet_Track_Enemy_Check
e: y, S. G$ B- F% N" ~ - BCC Bullet_Track_Enemy_Check
' n8 \ K! L3 y3 i - Bullet_Track_Enemy_End:
- @* t! W+ Z$ C3 n" ? - RTS& O" D' E; R% M9 c
5 g" h9 U! Y, a- Track_Enemy:9 g( u; w z f# }1 e
- LDX #$0F$ o0 x% i* n# ?0 a+ I" E8 I
- Track_Enemy_Begin: f( d" c6 W! j+ W9 O
- LDA Bullet_Icon,X7 p! A9 M( C; N" h. V! F
- BEQ Track_Enemy_Continue0 _. m2 N' Z# A# F+ `
- LDA Bullet_State,X
5 L3 q, m" Z# Q( | u; x! f - CMP #$01( y0 v' A/ y; I+ |8 ^5 L$ X
- BNE Track_Enemy_Continue
0 T; O6 {+ Z9 D* z -
Y! b" T4 r$ |, a h+ ~ - JSR Track_Enemy_Process/ Z3 t! ~/ S, J+ Z2 o! |6 A% p
- $ |* P/ i- a$ h
- Track_Enemy_Continue:
/ Q6 H6 x) y) g( g - DEX N5 Q# y) J8 E* U
- BPL Track_Enemy_Begin+ o- j( |. ~! r7 D, h
- RTS, l* F' a0 s- G( \+ {
1 k5 i# t% i3 u- h' p- ;普通关卡) _5 z" S: E1 ~
- Track_Enemy_Process:
+ P- n/ d H8 O' N - LDA Track_Enemy_Index,X
" w. O* h/ h; e0 {2 Z - CMP Enemy_Index* t6 Y$ b- P4 C( }) \' ^) K5 @7 o
- BNE Track_Enemy_End" R( L: A3 s+ u2 C T2 B2 V
- LDY Enemy_Index1 Y2 Q6 e; G7 Z6 a6 x) G
- JSR Track_Enemy_Y
K2 c& l7 ^6 K, n% ]& v) W# k - LDY Enemy_Index3 y; I% g5 n8 a3 ?3 y; `& W, o
- JSR Track_Enemy_X8 g" u" v8 i1 ]3 o6 a- Y
- Track_Enemy_End:1 s# \7 K5 e1 N. [, }, T& }
- RTS9 i4 \, ] U8 u# I. {3 Z
- * f* @* W; p: j. t
- Track_Enemy_Y:
2 M: K. N5 [! F Z- @5 R3 T1 r - SEC
1 z6 `6 o, v2 F" f. w. V - LDA Bullet_Y_Pos,X1 O% {5 H: D4 {, ?2 e
- SBC Enemy_Y_Pos,Y
# x! X9 b5 p, q" d, M) X - BEQ Track_Enemy_Y_Equal
, a5 L" N o8 [" l7 V9 T - BCS Track_Enemy_Y_Greater) j2 V/ w- ^3 S( r* O
- 4 s- u8 f- J' ^0 H* D
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y% f" k8 D- x2 O# Y- X6 F
- CMP #$FC
3 a" H% R: c& Z - BCC L1_1) N, U" ?& u# `" v% Y, ]# o9 b# F
- CMP #$FE9 X6 \' n/ E% ]* J9 H- `1 ^! P
- BCC L1_2
$ M4 D/ A* I7 `; q - LDA #$00" o! f- n3 h" A' b5 v
- STA Bullet_Y_Speed,X
) m9 N8 M; r# q) E3 M5 ^ - RTS& c3 D+ v, f3 w( |* M: k! P1 C2 Q
- L1_1: 7 v1 R! P/ t& B O$ C! Z& G
- LDA Bullet_Type,X
- F- ]; L7 B$ B0 Z - AND #$0F
0 N5 X' K( S5 M, [: N) ~ t - TAY
( ^0 p8 T3 `- d6 h( ]5 L9 y3 Q - LDA Bullet_Speed_Data,Y: m2 K ^( U# F# V$ m4 {+ C
- STA Bullet_Y_Speed,X. N! ]0 N. a3 b: ^0 u, k
- RTS
$ M4 r; {8 f3 b7 `& }/ G$ x2 U3 U: } - - Q* U$ a' O* J7 u3 O* O
- L1_2:
& _+ _1 F% f- ^( C2 N8 l - STA Data_buffer
# f; p! v. p8 @- B1 v1 n - LDA #$005 e9 v* V5 d& u, `$ T; S, }
- STA Data_buffer
1 C5 o* d2 S/ f; C! R" X8 b( O - LSR
0 h$ z4 V, E* @3 z" x7 F' { - STA Bullet_Y_Speed,X
9 M# F# R* m& } - RTS2 D# s) o/ e2 I; r: Y$ I
# b/ w6 w& h0 N$ S, c. i1 X b- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
x" W. {: m' T8 k - CMP #$04
" ~6 `+ n8 Y$ W& M% e( v - BCS L2_1; r9 b9 F1 n- L0 `2 i# t: U7 H
- CMP #$04
0 M# q6 ~' ^4 B: H1 g8 I - BCS L2_2
+ ~# V) E: u8 F- H2 E/ k- A - LDA #$004 s- E1 G' \( K
- STA Bullet_Y_Speed,X
8 T5 u7 E4 w6 A3 P- Z, g- g* @8 M - RTS" v' A# i3 \, y. f
-
* d8 } O6 }9 o9 b2 V, Y* V2 s# G' Q3 i7 W, x - L2_1:
0 R8 F( M/ F7 w - LDA Bullet_Type,X1 q5 ]4 A! u" V1 A+ \3 M
- AND #$0F
. K) C% W% s3 n, c - TAY
& ]3 [1 y9 U: l& h8 E/ I! e* R - LDA #$00! A- W8 i* ~* N0 R$ @" W
- SBC Bullet_Speed_Data,Y$ A/ ?; R; R! q! o1 w
- STA Bullet_Y_Speed,X3 q2 M, A/ `& O# ~1 s
- RTS4 W9 g7 Q, _ j% Q# a7 ]
-
7 W+ w R$ A: b* h; ?0 C! ^0 q - L2_2:
d% |( z; r- E# O" g# H# K# y. S: F - LSR
2 Q" y& R* B% Z - STA Data_buffer
& o1 L! p5 v7 B: N, B1 q ~( y# r* S - LDA #$00
8 K0 y$ }# A( d( W - SBC Data_buffer" D& d0 W1 R" b! k I+ U3 F+ ?
- STA Bullet_Y_Speed,X
- ]2 h* L3 @4 i+ l1 q3 `7 |, ^ - RTS
4 c& m' P3 e# }! H) u6 w -
. f( Q# Y& o) Z( B- _$ k3 Q - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
3 @8 R- r( l& q2 w& | - LDA #$00% Z; Y! j6 U# r5 v5 T% Z b+ ^- d
- STA Bullet_Y_Speed,X
; N- s& i: T7 n5 l7 N& R - RTS
" ?! R) y# @& B2 z+ o1 f* W& L% x - ! Z8 S0 ]/ L- y7 E0 L
- Track_Enemy_X:1 x4 p- r) @4 x& M2 q) F6 c0 b. H
- SEC: e. h* D3 S9 ?, y& h
- LDA Bullet_X_Pos,X7 ~' i Y7 _9 R* C& ]+ {6 Y1 l
- SBC Enemy_X_Pos,Y
" e( T2 c) {5 ~ - BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
: `: Y/ S- a; M - BCS Track_Enemy_X_Greater ;子弹在敌人下方3 y* M: S1 {+ P
- ! l, k+ b5 @1 i9 }; x
- Track_Enemy_X_Less: ;子弹X < 敌人X
! W- P$ L5 T6 F - CMP #$FC
( z2 K8 C& A5 Z - BCC L3_1
7 y A+ n. ~: F* H/ D - CMP #$FE6 x A5 x4 f' d3 t7 Q
- BCC L3_2
, f" l, p2 w8 r! x% k9 ]! E$ Q - LDA #$00
" j0 L7 x, |: q5 o7 b/ q+ H - STA Bullet_X_Speed,X
$ s% j" z) C: ?9 M- L - RTS
+ ?5 T$ b1 Q6 T* Z( J% P8 j! D - L3_1:
+ G. F6 R q- V0 N - LDA Bullet_Type,X
) q5 @$ b f! U, z$ ? - AND #$0F
% t4 Z) O% k( ]7 h* m; ` - TAY
% a* L: u- C8 { - LDA Bullet_Speed_Data,Y L6 f0 K5 o# l/ E% i+ |
- STA Bullet_X_Speed,X
3 L# t+ w' i8 {: u; d - RTS
n$ t" V. A3 u! e) R - L3_2: $ @6 q. [1 H4 M. L; J$ m7 W# R
- STA Data_buffer
' Y8 y* p; }& t" I+ l4 e - LDA #$00
7 Z4 ]% d' U. j$ V# o - STA Data_buffer
& h: k3 P. F2 k* \& F. X1 }% a) D - LSR
) K2 Q; C4 i- D' W# j% @4 C" D - STA Bullet_X_Speed,X& c- P6 f" {( E" W- `
- RTS$ P- k$ H8 ^; h9 I
- $ D# e; o1 ^9 X1 z9 D5 {
- Track_Enemy_X_Greater: ;子弹X > 敌人X0 a9 R! R+ M* F( Z9 W
- CMP #$04
* j$ f2 H( q# ~+ @, y- m2 _. D - BCS L4_1$ P2 w/ |6 W. @5 L2 h+ v
- CMP #$020 k# b( p3 i/ r& N' ]
- BCS L4_2+ q( c2 W: ]2 w9 \5 o
- LDA #$005 {% \; S0 q4 J
- STA Bullet_X_Speed,X* l8 q2 R! u8 v$ @' G9 r* k
- RTS
( |8 _7 i/ P0 V/ h I" g/ g - ; t) b& q- J; Z0 _0 @1 ]
- L4_1: 1 t. k6 J7 i3 L0 p9 Y% Y- |, t
- LDA Bullet_Type,X
) @3 k- |5 j( i' \8 J8 j5 E8 u0 m - AND #$0F1 Q0 S$ n4 C( I: `
- TAY' C D. G3 D. T% ~8 w( x' j& v
- LDA #$00! Q% A( G1 {$ G% }
- SBC Bullet_Speed_Data,Y
+ l: s* Q6 X9 D* U! X; v- V/ r3 ~ - STA Bullet_X_Speed,X
4 `: w' W0 h9 I3 m6 [% u4 D: G3 u - RTS
3 j) w$ ]3 Z0 |7 } - L4_2:
% ], Q* z* i8 Y - LSR; ?; g9 [. g, u1 H$ b+ G
- STA Data_buffer" x" c3 f) z$ \, c! F; F( Q+ S. h3 s
- LDA #$00; N+ x+ Z# N! Y/ M2 d! [
- SBC Data_buffer* l9 F! C& _) x- \
- STA Bullet_X_Speed,X C9 T6 ~& {! `0 E; W
- RTS5 d. |% }$ K# j* c1 t7 Z
-
/ x9 n! K" }8 v0 y - Track_Enemy_X_Equal: ;子弹X == 敌人X
% K8 _+ o; f2 u1 Z - LDA #$00- d _( I. G4 E1 O2 A/ D1 |
- STA Bullet_X_Speed,X) h4 ^ z. T3 y* B5 Y+ z
- RTS5 t" R# X8 E% O- E6 l4 z
- . h1 L- ^. E( r( `+ p/ J
- Bullet_Speed_Data:
4 Y0 C P' X( t9 j! s, Y5 A1 x. z, E8 k - .DB $00,$03,$03,$02,$03,$03, @; V6 N( |; X, |! X2 k
- 5 h' ]3 G: j3 ~8 j/ c0 P
- ;2, 4关
% j! v& Y8 ^% n/ N/ j; Z8 N, i - Track_Enemy_Ex:( C% R0 V- `% W& R* M
- LDX #$0F
" E4 C3 n- B: X+ A$ |) f - Track_Enemy_Ex_Begin:
0 L9 R! f" L# u) _' D
0 _, r! a$ g6 }; i7 x- LDA Bullet_State,X; X; B( j( @: I, |" P% i8 Y0 `
- CMP #$01+ J' {, N5 ?) G, V9 P# }) P) p
- BNE Track_Enemy_Ex_Continue5 K V$ J! v7 q3 n6 y
- . i. w% ?3 _6 }! k
- LDA Track_Enemy_Index,X
3 \$ S- R6 y7 Q9 D, [* g, Q - CMP Enemy_Index4 z. E- h7 s5 M& g
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标
0 d! M" H- m8 D7 _, g - % G, b. H! l3 X8 ~) f! O
- LDY Enemy_Index
) z! ^# X" k5 W - JSR Track_Enemy_Ex_X* l5 m, X E9 s2 I3 \1 ?
- ' R) E* c% z8 Z% v
- Track_Enemy_Ex_Continue:
) g! ]1 L4 U' X) @ - DEX
3 w6 s3 q' b0 B6 E6 { - BPL Track_Enemy_Ex_Begin
7 b- n1 t9 J+ Z" z" ]6 E - Track_Enemy_Ex_End:5 K7 G" D5 p8 n5 D2 G6 O
- RTS
% ]7 i" A) H/ F. _0 k" Z/ S - : P1 _' J& i1 {
- Track_Enemy_Ex_X:
# e* s c3 N' \. @: n" z. Y - ;LDA Bullet_Z_Pos,X
$ Q. e: O0 s& y9 h0 _: Q2 o$ t - ;CMP #$048 P8 Q& F6 q( b2 {# v. c
- ;BCC Track_Enemy_Ex_X_End7 V- Q4 e- X( W: t
- SEC' Z( b# S+ b: ?9 Y8 D! q
- LDA Bullet_X_Pos,X+ Y( L3 r) K; ]4 @4 W6 Y
- SBC Enemy_X_Pos,Y
8 s( E# k, d7 H - BCS Track_Enemy_Ex_X_Greater9 b X5 d* K+ }) h9 S
- # C2 l4 R0 h- `" A6 ^5 s: H% |
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
- S) G( s9 n7 I# P" h9 [ - CMP #$FD
" K% m2 F/ q+ d+ H9 E9 M - BCS Track_Enemy_Ex_X_Less_End% o! s6 G9 N! T+ b4 _
- LDA $6020,X% ]* R4 n( M+ y i
- CMP #$2A
" `7 R/ y2 _# o, L% I7 H - BEQ Track_Enemy_Ex_X_Less_L1; r7 J. R1 v- x; W% |: V
- LDA Bullet_Z_Pos,X
! j: P) l" I9 p# ` - LSR
1 g: ` D8 y/ P- m" h - TAY
9 z; [: X0 F" l( I* s6 N8 ? - LDA Bullet_Speed_Data_Ex_R,Y
, s$ c6 i! C% N! Q; p$ G+ t - STA Bullet_X_Speed,X
3 }7 z+ P4 E9 r! a - RTS7 v9 ]2 t7 E F" O. E
- Track_Enemy_Ex_X_Less_L1:& t$ _ z$ I7 i
8 x- t/ V( }! G# K+ }) L- LDA Bullet_Z_Pos,X/ C/ E3 K$ a0 ^: z8 w w
- LSR
! b5 @8 w. @8 m6 u5 X9 v - LSR
* O& f- D0 a: W* E" a- P - TAY
% ~/ z4 }: V5 L8 { X - LDA Bullet_Speed_Data_Ex,Y5 o! b4 W6 \! k; N
- STA Bullet_X_Speed,X, o6 R: M) n& H! x; E
- RTS
! R& ?4 [3 N$ a2 R! f X - " o0 ]+ _, B' b d+ Q% R. `: i n, R G+ c9 q
- Track_Enemy_Ex_X_Less_End:1 d: W7 W& e$ h
- RTS; Z: R' ]9 L/ { d/ G
8 j" K1 H, Q& r( v; A. i; ]- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X3 c; Z0 L6 f9 G% c! g9 C$ S% j4 p
- CMP #$03
4 |( g# A' h" c0 x: k; A6 J - BCC Track_Enemy_Ex_X_End
# @& M4 ]6 H9 j - LDA $6020,X; w9 P& m" e& A* v: }6 S8 y
- CMP #$2A
& F5 m( N8 X3 k: P* {3 F4 l - BEQ Track_Enemy_Ex_X_Greater_L17 ^6 @# d3 z# ]2 i1 j9 @
- LDA Bullet_Z_Pos,X# N: v+ ~4 g& N" U" N$ _. O
- LSR
' U8 `; i- p! {+ _ - TAY
6 P Q+ w2 P! |2 f, O0 D - LDA #$007 o- z7 A3 h% q* D4 ^. E
- SEC' S7 M; N% {: ~
- SBC Bullet_Speed_Data_Ex_R,Y
( d* a/ ^+ n4 z$ \ - STA Bullet_X_Speed,X& S D( Q1 B8 L- d) @
- RTS1 B# x$ ?; ?' v1 z/ c1 b
- ' ~0 w/ t4 o+ G4 \( G
- Track_Enemy_Ex_X_Greater_L1% P6 M+ z. B! E; Y% c# L, A2 Y
- LDA Bullet_Z_Pos,X
, e' G4 D, j& }& p - LSR4 j* B, M! P$ a$ g' z4 [
- LSR
+ l) f4 ?6 R, l+ M - TAY4 W: C6 g2 Y, z( \- c
- LDA #$00
9 z6 Q) X1 L) L9 q. J' ? - SEC6 J6 M7 Q+ ]1 d, y+ B/ \
- SBC Bullet_Speed_Data_Ex,Y$ c9 V+ C3 s" Y- d+ z
- STA Bullet_X_Speed,X
- Q- ~2 M" Q4 A" G, c9 ]/ f% \ - RTS& r! X% C$ H7 k2 v
-
8 J; }3 Q4 f% _4 |1 M' v1 b3 o0 U: o - Track_Enemy_Ex_X_End:* i/ b3 W5 J: Y9 n7 |. c
- RTS
5 P. X+ M7 C; R0 M - : d# h. O m, N2 T: ~3 x6 t) |
- ;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)* t/ g5 o" ]! n4 z
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上/ N) J. J8 C2 |: L( O
- Bullet_Tract_Direction:
1 B. w5 ^ Q# ?% a1 B3 }# d0 o! U - LDA Bullet_Icon,X
! P3 e o) W* n - CMP #$23
, S( U5 L8 @: Z# o( ^7 C5 C- I - BCC Bullet_Tract_Direction_End
2 [- N+ Z3 \; _5 F$ Z - 9 k0 e+ l: J0 H2 Y3 ~
- ; X != 0' v* z& Q8 B& m1 j# H( E
- LDA Bullet_X_Speed,X
) I$ \+ t" Y' J, C9 O8 r' i( j - BEQ Bullet_Direction_V
3 g" B$ r8 b0 V9 d+ Y -
8 w }$ e/ b. h6 f8 ^" T - LDA Bullet_Y_Speed,X
- r3 f1 Z% F! p5 ] - BEQ Bullet_Direction_H
% D, b, H9 p1 U0 |; X -
( i$ h: k8 J% L! b - LDA Bullet_X_Speed,X0 n. u$ p1 F% C
- BPL Bullet_Tract_Direction_Right
2 Y2 X: R3 Q7 l" a, T - Bullet_Tract_Direction_Left:
4 f3 _# N) `! i8 j3 B2 V - LDA Bullet_Y_Speed,X
. V# b s: e0 h) D - BMI Bullet_Direction_Left_Top" ?6 z; U `) m
- BPL Bullet_Direction_Left_Down# A2 V# n6 g. z4 K+ B
- Bullet_Tract_Direction_Right:
4 \. O; f. d7 ~: E2 o2 a - LDA Bullet_Y_Speed,X
& f% [5 K- o7 S3 \. ]+ x - BMI Bullet_Direction_Right_Top6 f: a/ K* i$ O/ y7 G
- BPL Bullet_Direction_Right_Down. D- O1 V z$ v% Q2 t* M- Y- _
- Bullet_Tract_Direction_End:
# L, s0 e. e$ `& ~( n- O - RTS9 k7 {% o9 y$ f2 g/ }
- 7 R7 {+ h5 B7 q( K. k1 `
- Bullet_Direction_Left_Top:
' J/ u" l o9 a' e/ m0 |- M - LDA #$25* ^# |& K1 H/ `3 q! G
- STA Bullet_Icon,X
9 A5 Z! w8 F3 ^! r - LDA #$C0
4 l# d. e$ J) D* t4 O1 ^ - STA Bullet_Direction,X
) [& u1 `5 l( F, \0 { - RTS, D; f+ @1 f$ p' w: }
- 4 j; V$ u3 I: R+ N
- Bullet_Direction_Left_Down:
8 x1 S% b8 g- z" ]/ \! Q7 N3 T; R$ y9 x - LDA #$25, E) {- F0 S' X% N1 U! F
- STA Bullet_Icon,X
% z9 k8 v# v( M9 S( R- w ] - LDA #$40
; k: X" Y5 t; E - STA Bullet_Direction,X* Q' K7 O0 B# a5 \. e2 ^: t
- RTS- X3 k7 g) ?2 I
8 l" s+ x1 j$ l6 n- Bullet_Direction_Right_Top:- [7 `1 |3 A) R w+ u
- LDA #$25
6 I! G1 ^, p& Q/ q& v* o; g3 k - STA Bullet_Icon,X$ Q( |: U7 [' q$ [ ?
- LDA #$80; Z# @8 u( w# ~/ n0 @' S
- STA Bullet_Direction,X8 A3 H3 o) ?: O- r
- RTS6 n0 D0 @, j1 a% c, f7 H
- - m6 C5 r3 B% w. \
- Bullet_Direction_Right_Down: O4 Y, f! h# S, A" \: k$ g4 \
- LDA #$25
5 C f8 \, |% m' H9 P2 q+ o1 w - STA Bullet_Icon,X4 X! v: z. p- h5 S. {
- LDA #$00
7 n- M# f1 g( H# q8 { - STA Bullet_Direction,X
+ k: `" G* m% [% D7 d: s# ? - RTS
" T) K$ q$ Q& p) h4 H. V
: l$ ^* K* A- R8 r3 o- Bullet_Direction_H:# Y; [! C* @$ |7 r, B/ b K, o" K
- LDA #$24
/ }4 c! X( q, Z" K9 T - STA Bullet_Icon,X
5 v" f8 I4 \: W1 V( Q/ j5 Y. S - LDA #$00
* ]# r3 Z$ o' X6 S' d5 z - STA Bullet_Direction,X2 [" Y" \# `0 K [4 k3 y( f
- RTS# E3 |# t: l% Q) a# p
- ! A/ E. k e. h( [/ D
- Bullet_Direction_V:5 L. S8 `2 A# K* R( y6 k0 v8 B
- LDA #$23
3 p5 r" ?* q& P& ^& ~2 j - STA Bullet_Icon,X
) Z& h1 ]$ \: X) K - LDA #$00) [0 k6 T( V3 d1 v/ R
- STA Bullet_Direction,X
+ c# {- r( `; C3 U$ m6 ~2 l - RTS; [9 |! A, P: @; l8 Z
- 3 F; V0 \2 ]% O* P' n, k" `
- Bullet_Speed_Data_Ex:# |) ~# H1 U# H9 c3 z' Q/ W7 i# g
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
. n( j! p, e. }) _2 y" i -
5 x2 \1 ~+ q. z) C { - Bullet_Speed_Data_Ex_R:
: B/ u! P" ^) | - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08- N5 i( t0 y' e4 A$ Y
-
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' p" T) w' e9 l5 _8 D) [ |
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