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[FC][魂斗罗][J][追踪弹]
1 Y3 {3 G3 k# x0 X& [
: J# K. W6 m$ O! a. d( A时间:2023.04.30
, H: `) p# E& |5 w0 A1 N作者:FlameCyclone5 u3 X/ i$ ?, k( }+ R; _
内容:, e# V. d3 D- R0 A
1. 所有子弹追踪敌人" Y+ P, w# ^8 s/ a( K
2. 选择键切换武器8 E" H0 y1 u7 U2 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4 K$ A9 w, H" g% D
. K" s: X6 n0 E+ I; ]+ O X3 ~( S& rflamecyclone.ys168.com% Z5 C6 t# z0 E0 }8 L3 T

6 l7 g9 E7 N4 _$ m. a- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
: O% C! z& {5 d0 f, T7 r4 m - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L& X8 N% p& E7 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)
5 N1 o- z4 ]( h- j
# d: l6 d x( R9 v, @5 z- ;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)
# V2 z, w+ r- V - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上/ u* z- S' i+ G2 ~+ H
- ! I# ?; x. _* {! s. M7 J
- Track_Enemy_Index = $6000
# `7 |6 W' \% U- C# p - Enemy_Index_Begin = $6010) m" t7 W! R0 x; |
- Enemy_Index_End = $6011. |. _1 {! m: {1 S2 ^' w) {
- % f/ }0 K1 I/ l: Z s
- Loop_Index_I = $6012
6 H7 U, d7 H9 H f- A - Loop_Index_J = $6013
- F* n. y% T2 e8 h - nEnemyIndex = $6014/ L- E7 ? k* q7 c8 B
- Data_buffer = $6015) D9 n( N! Q0 c, Q f
- . [$ P/ v5 q8 n3 h$ `8 O% m) Z" Y% H
- Bullet_Y_Pos = $03B8 ;子弹垂直坐标" ?0 i7 f; d6 A: G$ T" B: k$ y' G; G# z
- Bullet_X_Pos = $03C8 ;子弹水平坐标
- z4 i4 m# i9 z; c0 v- g& [6 m - Bullet_Y_Speed = $03F8 ;子弹垂直速度
, U, z! x- I1 K1 w - Bullet_X_Speed = $0408 ;子弹水平速度
) k8 e F" K! g I - Bullet_Z_Pos = $0418 ;子弹Z坐标" Y' I; v# ?% p$ Y
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P' T/ y9 P. M4 R0 G$ [- Z
5 U" M% C( K( p9 _! B5 I5 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
+ E2 l4 {2 O+ s" d4 S% b0 ]5 z - Enemy_Blood = $0598 ;敌人血量
, }- Q- x) a: t, ~ - Enemy_Type_Addr = $0528 ;敌人类型2 b& `$ O: j! D, J6 k( p" M
- Enemy_Blood_Addr = $0578 ;敌人血量( J0 w1 f. y6 w8 N4 ^% \
- Enemy_Y_Pos = $0324 ;敌人垂直坐标5 r5 D, o: L% }( N
- Enemy_X_Pos = $033E ;敌人水平坐标
* p, E6 ^8 x/ b* F. \, N; x! } - Enemy_Y_Speed = $04E8 ;敌人垂直速度
+ k1 S: ?9 c. d2 S - Bullet_Alive_State = $04B8 ;敌人状态 5:弹起爆炸 0:不存在 6:下落 7:原地爆炸6 p& Y# F; v$ b+ Y+ k/ n- L! C: r
4 e* T& r3 H) V$ a- Enemy_Index = $83 ;7 s8 o0 z: \- |1 V
- Time_Count = $1A! m2 g- d; G# q; I4 F
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率9 A( S' o9 k L0 o2 w
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率- k$ [8 Q# p0 w& Q, S6 i
- / y# S. I+ o2 ^" a ^ Z
- ! ?0 Y/ |- F; U* W1 T# ?
- .ORG $6100
8 r0 |: `! J3 r2 @0 q& _8 q - Process_Begin:, J8 j' e- n+ U8 |
- JSR Enemy_Check8 ~) k- O' c! Q% c
- JSR Track_Enemy_Check# K( P$ e# I2 z/ e4 I( ^
- Process_End:% d7 a: b8 D7 b0 `" q, w" w
- JMP $E54F" o$ \. A1 ^7 @$ D
- ! E9 N+ f* ]0 Y* ]$ s
- Enemy_Check:
. x6 r4 N7 P. x - LDA Time_Count
; {9 G' Q$ e! a* } t3 s - AND #Track_Bullet_Speed0 T7 N' F' ^+ m( a; x
- CMP #Track_Bullet_Speed& i4 _* q; }5 V7 I
- BNE Enemy_Check_End# _0 ]: h' B3 x! E
- LDX #$0F
% M) B. O6 j8 X5 @ - Enemy_Check_Begin:! ` d% s: M& ^% R; @
- LDA Enemy_State,X
$ Y! c7 N5 S' ?0 y' f0 P - BEQ Enemy_Check_Continue9 K8 o; F# }6 m# c0 X, K* d8 _; [
- STX Enemy_Index# D: D3 G; {! P' G$ t9 b. `
- JSR Find_Begin_Enemy4 f$ h. [: `! a8 J! a6 P
- JSR Find_End_Enemy" `+ X4 y% R, e4 N$ P1 _# o/ E+ l
- JSR Bullet_Track
; |$ ^9 c( Z7 x - 7 Z7 \3 n3 b9 L+ Q# a, s0 e$ [
- LDX Enemy_Index6 r8 ]& G; G2 C
- Enemy_Check_Continue:9 [( L i* k/ y6 [
- DEX
* d# N$ n2 j, j3 C0 ] - BPL Enemy_Check_Begin3 N( ]5 u- d# g9 w8 g. o9 }
- Enemy_Check_End:+ R3 V2 q. p9 ?) m: A$ l+ r3 G+ Q$ y
- RTS( |5 V5 { R# O" W" Y; Q( A$ S
- ( n! b: I% M3 V4 }; O5 i
- Track_Enemy_Check:
: i6 g" [7 S! I( ? - LDA Time_Count( U, W3 l. m; h3 v. p2 }% _4 o
- AND #Track_Enemy_Speed
! }8 R0 A4 o' e; l9 q - CMP #Track_Enemy_Speed2 n2 D* Z" x( A r4 V: |9 c
- BNE Track_Enemy_Check_End7 o4 V3 N5 ^0 \" q
- LDX #$0F3 I. |) ?! `7 ^# {5 O& @, ]
- Track_Enemy_Check_Begin:
\- k+ D2 @0 a8 I9 A - LDA Enemy_State,X
! N8 o) n# s+ } - BEQ Track_Enemy_Check_Continue; T2 G1 B' ~7 P2 h, L
- STX Enemy_Index$ ~4 ]3 q9 r, y$ ?$ w& S4 T8 p9 G
-
/ {8 f: `7 |2 r+ U _4 v - LDA $40' g M# ]- J. H, V: s# \+ k9 y
- LSR0 h2 C9 _3 T ]/ U
- BCC Track_Enemy_Check_Begin_L1 ~# l% u8 e# o8 Z l
-
j! Z& M' F6 ]" I$ | - JSR Track_Enemy_Ex ;2, 4
5 \9 w$ s/ Z: b- f) A# l- { - LDA #$00
: E8 S) n1 m" Q$ w4 U I; Y, t# E - BEQ Track_Enemy_Check_Begin_L2! E+ |- I9 {1 f7 Q* P* M' n1 |
-
7 h( `# e: M- I) e - Track_Enemy_Check_Begin_L1:
" i1 X. m9 M0 ~) w8 u# T -
8 z" P6 l& H$ T/ g$ q3 K# h! d - JSR Track_Enemy1 q8 M# T1 N- P) B- o/ l5 Z& F
+ [+ F3 S' H) w- Track_Enemy_Check_Begin_L2:
; N8 P- b( k v1 }! b -
5 Y( H$ r& u+ O* R6 ?, ? - LDX Enemy_Index& t* f# _) x7 S
- Track_Enemy_Check_Continue:
/ p, K6 H( k4 a5 c+ O% j9 |+ c7 u - DEX. ^/ X" V7 B5 g3 J: {8 e
- BPL Track_Enemy_Check_Begin
: g0 O; t) X6 [, K" o - Track_Enemy_Check_End:% P) w* c; m. | G
- RTS7 O/ \& I4 e5 h. W2 u$ c) y6 [- _
- * U( J1 g, Z j. D$ x4 `
& t6 K; {( B( Y6 q- ;查找第一个敌人" Z1 p" R) W- K9 i& g2 j8 w0 r" U
- Find_Begin_Enemy:. i5 ?! D6 m# V1 R# k% c3 s5 h
- LDX #$00
: y9 b+ l7 @( R% _ - Find_Begin_Enemy_Check:- } w3 q% f0 S3 J; f. |& @; L
- LDA Enemy_State,X" X0 G+ x$ Q3 T8 }6 m9 o
- BEQ Find_Begin_Enemy_Check_Continue: P2 @ `3 A* i
- LDA Enemy_Blood,X
7 v# z, o7 |3 ^4 H, w5 _% O - BMI Find_Begin_Enemy_Check_Continue; @+ y& J' C" `
- BNE Find_Begin_Enemy_End
* t# s9 P" k' \ - ; v* }3 o. X. U) A- o
- Find_Begin_Enemy_Check_Continue:9 L* ~; k( A O M5 b
- INX3 y; ^; ^" M8 k n% z) s
- CPX #$10! z* U+ f0 h0 [! v
- BCC Find_Begin_Enemy_Check
" {5 u9 v6 b0 p9 ` - Find_Begin_Enemy_End:( m5 q* Z: P& U8 b
- STX Enemy_Index_Begin
$ H; b3 ~$ t/ E* @ - RTS8 N: j" T" E" d0 [
& V" @ G4 ~2 z% F4 z+ R- ;查找最后一个敌人
* y0 `# k3 s& } [: C$ j. E - Find_End_Enemy:
1 f: q4 X; q, |, N- `: a - LDX #$0F
7 R% ], v* B( O9 T- M7 M - Find_End_Enemy_Check:; c& L, d2 E2 \) A1 K& B! g
- LDA Enemy_State,X
, j# ^! w1 q% E - BEQ Find_End_Enemy_Check_Continue7 X% E0 c9 s; x! H9 C
- LDA Enemy_Blood,X+ F6 H* V: O/ a3 `, R+ {! N, ^; b9 S
- BMI Find_End_Enemy_Check_Continue4 {1 m0 F; n3 g& N) F# T9 `4 q3 o2 p
- BNE Find_End_Enemy_End
9 b$ O8 j. L- I -
2 I* I2 D( h: l: G( Y& }, o - Find_End_Enemy_Check_Continue:2 |6 M' V6 v3 N/ @( A4 Y
- DEX
' O3 Q9 H, S% k% u; f7 } - BPL Find_End_Enemy_Check* d' A! q8 s! L' ^' E3 N
- Find_End_Enemy_End:, e2 {) ~) d; ?
- STX Enemy_Index_End
; U6 \7 L2 A" i V - RTS
' f" W% r* |0 q1 [; ~ - 3 E5 \. e9 Q& C6 i$ s
- ;子弹追踪
) X2 B# Y9 i3 T7 J: v - Bullet_Track:& T5 B" P& k" q: c0 I) j) h1 a/ E
- LDA Enemy_Index_Begin& ?- a. [% a1 e/ y& k4 M0 Q
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
( B% I- U8 P. f7 O& F - LDX #$00 - |6 x- y: q; H* R1 i! n
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)/ c$ @6 D& P8 o1 b2 X- o
- LDA Bullet_State,X7 M- B2 {, e* S( F$ c
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
6 W+ {( ~& c3 v9 s/ c# Q% D* ~% e - STX Loop_Index_I
0 x$ D+ R) ^: U# l. h! [ -
- k( C* I& y/ [$ ~6 G - JSR Bullet_Track_Enemy
5 a* ?, G& r+ d4 a - JSR Bullet_Tract_Direction$ }: z1 B) I) a& S
- . u# `5 `* D0 O0 v$ M! }7 M
- ;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3 n+ A2 H, G. d; w1 T
- ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;- J f5 j0 w2 \( a
- LDA nEnemyIndex
/ J: @0 w/ C, B# [: y/ ^+ z4 @/ r - CMP Enemy_Index_End
; i! u9 b9 H4 }- z/ C+ M/ \0 q - BEQ Bullet_Track_Check_Continue" O4 A# ~! Z& L' R) r) R
- BCC Bullet_Track_Check_Continue
6 L# a7 M. f/ b3 i7 H; w8 X9 P' q6 v& K - LDA Enemy_Index_Begin: f5 X! M! F4 L2 c; S
- STA nEnemyIndex
" E- J! d: F+ l - $ F8 }# H9 C1 E5 X! i: M& b
- Bullet_Track_Check_Continue:
7 B' _% S! f. g9 b, x - LDX Loop_Index_I1 g5 n% M1 }. e$ V1 Q
- Bullet_Track_Check_End: b- J* P. h- g0 O7 Z) j8 R
- INX3 N9 I# O' N! H) V1 {
- CPX #$10, L; S( g3 H3 Q/ b( ]+ i: J
- BCC Bullet_Track_Check$ S% j+ b3 c6 M, L0 ^
- Bullet_Track_End:* ]% F. F$ e# i
- RTS
8 B2 L1 N X0 @4 ] - 7 a! g% J9 ], h. \
- ;给敌人分配子弹. T' K$ }- y5 e8 t( ?+ E. X
- Bullet_Track_Enemy:* K: S* t# {, z" ?) Z& G; y
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++), s" ]( c. B4 ?8 z0 c* r
- Bullet_Track_Enemy_Check:
% }# R q: _: v9 W9 e4 c - STX Loop_Index_J0 g/ g6 A, r5 H/ r. l# W
- 3 N [7 [, k9 g9 k& ~0 Q7 j
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
( ]* [7 R+ O$ R/ [ - LDA Enemy_State,X2 i' ?7 r4 [# r$ L5 l7 ~9 u
- BEQ Bullet_Track_Enemy_Check_Continue. m7 J4 L) d4 x+ X5 A$ D6 X# ]
- LDA Enemy_Blood,X
$ X/ D1 G- a* D) h0 N - BMI Bullet_Track_Enemy_Check_Continue
9 n& Y, e$ ]8 B -
* j' n! z; P9 g/ A: a+ _1 K u6 [ - LDX Loop_Index_I9 y' W* r. Y3 F0 ^
- LDA Track_Enemy_Index,X
8 _% N9 D, _" r/ P7 O - CMP #$FF% H; ]. \. c2 m1 \& m! L
- BEQ Bullet_Track_Enemy_Init' Q" M4 i8 e; j$ f* T
- 8 e$ d5 f2 T2 @
- Bullet_Track_Enemy_Init:# B1 ^; W3 f; r: s( |! O5 ^" N: L
- LDA Loop_Index_J5 s6 n9 e D8 @* i8 q
- STA Track_Enemy_Index,X ;nTrack[i] = j;
& ~ G% [% G3 j. `1 n1 \4 o, z: M -
0 W; \+ J$ @! ` - STA nEnemyIndex/ B& W8 _8 I s: r5 u8 D! T+ B
- INC nEnemyIndex ;nEnemyIndex = j + 1;
! u8 g4 X% i+ K, N9 X - RTS ;break;
; F! h1 q9 s- A0 ~* y' R, K - 6 N5 E x% K! B a
- Bullet_Track_Enemy_Check_Continue:; W, y; T9 R# g5 C' H0 K
- LDX Loop_Index_J
6 D0 p7 k& K* M8 Z - INX ;j++
0 t9 T; B7 T+ S9 J - CPX Enemy_Index_End/ a& l, m& e& G) T3 }) b5 l3 U4 s
- BEQ Bullet_Track_Enemy_Check/ ~5 Q- G! w$ f+ R0 {( Q
- BCC Bullet_Track_Enemy_Check! O2 l. C4 O/ t9 Y; |
- Bullet_Track_Enemy_End:! d( c, c8 W, x
- RTS7 J3 v7 [1 w( G) ~
- . t+ j( _" `- K) e" X. y4 {+ }3 I" o3 n
- Track_Enemy:: _; Z( Q3 e+ N& x$ h0 W$ s& {
- LDX #$0F
" j& ]6 v; [* G2 j* X - Track_Enemy_Begin:
% B2 f- I1 p( G1 O9 G8 h0 w - LDA Bullet_Icon,X. L( Q3 F) x, U) C1 n$ B
- BEQ Track_Enemy_Continue
# P2 j4 B' I8 Q1 h - LDA Bullet_State,X. h H* {5 `0 h
- CMP #$011 B& p$ H8 J% `
- BNE Track_Enemy_Continue4 o& D' W7 b9 r, G* m
-
6 p; i5 D: L) b+ [ - JSR Track_Enemy_Process" d- E/ I# b0 m* U2 c( u
-
; |2 P5 c h5 Y2 t) n- S" k - Track_Enemy_Continue:) w4 o+ A$ Y e5 F( Y; K$ O
- DEX8 v0 q7 w6 O g! a
- BPL Track_Enemy_Begin! A) i/ H! o1 z/ H' ~3 F+ f
- RTS& l, B4 J: c1 X! I# ]+ e! ~
- ) R3 ]; P x2 p: p
- ;普通关卡" I! k0 Z$ I9 Y
- Track_Enemy_Process:
. W( [* }4 |1 c" P { v - LDA Track_Enemy_Index,X
8 r* k2 G0 N2 c. A" U4 d& i9 n7 f - CMP Enemy_Index2 G' w: J9 u7 R6 e! w/ \
- BNE Track_Enemy_End
9 C2 x4 i" |" G" r - LDY Enemy_Index4 d5 }; b4 O* [3 H% `0 [9 @
- JSR Track_Enemy_Y% f* i# w" X c
- LDY Enemy_Index
& m8 ]3 _% ]+ x m/ c2 l - JSR Track_Enemy_X
4 p8 Y+ I L+ p; i - Track_Enemy_End:
# x6 }1 L# s. L$ N - RTS
3 H S; M2 x4 H& M2 L( Q -
" a$ p* R# Q# ?+ C& O3 u& D. Q - Track_Enemy_Y:4 f- |- |+ ~% i2 A1 H2 ~ q
- SEC! t- T5 H" l$ O4 U2 v3 s7 E
- LDA Bullet_Y_Pos,X
: \* b2 ?$ z4 q( ?9 g: z - SBC Enemy_Y_Pos,Y
" X1 ]4 I0 w2 w/ H7 H+ h# ^ - BEQ Track_Enemy_Y_Equal' }5 w0 \; R2 { ^, w
- BCS Track_Enemy_Y_Greater, t$ O" m+ Y' N$ l
-
/ I3 w( R; [; D! w. T# g2 | - Track_Enemy_Y_Less: ;子弹Y < 敌人Y
& _6 z: J: F- k% ?1 r+ J+ z - CMP #$FC
0 T e8 a7 h! s4 X7 G - BCC L1_1
* {9 j" b( D9 h$ ]4 j' _ - CMP #$FE
! |& C( o9 o7 o+ _. b' r* K - BCC L1_2
1 j! t! o- Q2 U( x1 F( j - LDA #$000 e# c* |% h- @& x" p
- STA Bullet_Y_Speed,X
; h/ m& r* S! c6 }0 a! S' R - RTS$ f* M3 C5 U- W
- L1_1:
1 q. q9 D* g: ^3 C: U& U - LDA Bullet_Type,X" y) H" e+ F5 l9 x8 D9 ~
- AND #$0F5 b' ~3 D$ b, @) E' B6 T5 p
- TAY
* U8 K. Q3 j/ n' j/ f0 v. Y - LDA Bullet_Speed_Data,Y6 L. M( q. w, Y
- STA Bullet_Y_Speed,X/ Q! V+ Q9 J# B, s* ^
- RTS2 E: a4 b0 x0 j: Q9 J& T
9 M# ]3 P* t7 O- L1_2: 5 k* y$ E" o* f' H
- STA Data_buffer
) u, x, T0 B" h# N9 `4 \$ J: D - LDA #$005 N5 a8 B+ |6 f! F D% {
- STA Data_buffer7 w9 w# {1 t8 t5 @: R
- LSR9 x4 N/ ~! H7 H% e1 V
- STA Bullet_Y_Speed,X
/ u9 v4 y* V7 U! ]; t - RTS
! `: q& V% E( O* t" i
: X7 _9 @& n! I! h l- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
0 C" N2 H' z7 q% U6 a( X8 Z - CMP #$04. Q# l+ y9 F7 \% K/ h! c2 i
- BCS L2_1
[/ F5 e# W* Z8 c' c - CMP #$04* X# M7 o. }* Y: `7 G
- BCS L2_2$ H& x, r l* f+ |
- LDA #$00
) S& a$ g* C, r - STA Bullet_Y_Speed,X: J6 R1 S/ }% H) s5 U
- RTS
3 Z4 Z- X7 g' Z3 P4 p4 g -
H; O' N5 `' P$ H, k L) O% J3 e - L2_1:3 Y' F T& L9 S; F
- LDA Bullet_Type,X$ C& O8 {6 g; i Y4 t% ~- j
- AND #$0F
& w+ d/ r, { h- Q2 u2 c - TAY( {. p# K9 d: M% O$ B
- LDA #$00! a6 E6 B& U) w" g% A& V
- SBC Bullet_Speed_Data,Y
2 U0 l; {- d) K9 E1 B& {% g - STA Bullet_Y_Speed,X
2 k' l8 w; o" g9 \/ e - RTS
5 H$ ?# h; I4 u- c+ r" a - 2 x3 U1 e4 {; A! b! I4 i
- L2_2: E+ O" i4 g( T4 T, Q
- LSR
; g2 ^0 L, C( |9 c/ X - STA Data_buffer6 D4 S: A" p& G7 p3 E: W- F. F
- LDA #$00- Y! T% |2 e2 H3 R0 V7 r* U# T
- SBC Data_buffer. f1 l2 {; S$ @' U2 J8 k, b
- STA Bullet_Y_Speed,X1 ~$ }0 z: ]: p) V6 {( f/ c
- RTS
5 v! S& d1 V4 r" X4 o0 g - & ^3 K% D2 w1 `
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
7 x. i8 X. E$ Y3 X' |. r - LDA #$00
$ D7 I' R! X: Z" J1 u0 H: Z- E7 w% Q) @ - STA Bullet_Y_Speed,X1 h Q" F" a; f
- RTS
! A( ^. w# Z2 h, d) |8 F5 {- v - ; [8 f& C5 L5 X. B
- Track_Enemy_X:$ Q/ U$ c; B7 w( u0 |7 b7 T
- SEC. H) p) p6 U6 n
- LDA Bullet_X_Pos,X( \2 |7 f& ` L' c' H
- SBC Enemy_X_Pos,Y% \; {$ J, {) \ I( p6 S% ~
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X, w9 F$ t6 E% u' j& C9 L
- BCS Track_Enemy_X_Greater ;子弹在敌人下方8 _, M2 \/ F% k6 w; X
- 0 |& X+ `; X6 D. J1 E7 ?: [8 p2 Q
- Track_Enemy_X_Less: ;子弹X < 敌人X
7 ^5 L/ h5 I: g - CMP #$FC
7 X- B$ E: u- D$ L0 ^ - BCC L3_1
8 }2 \) e- d) W" Y0 u5 K: Q- G: W - CMP #$FE4 o; T8 \, } {, N2 h
- BCC L3_2
- z }$ u3 ]/ R% R& W' `9 } - LDA #$00
7 r5 F5 Q) y. y. {8 P3 B7 O - STA Bullet_X_Speed,X
1 [' X( b4 l* \$ } - RTS
5 X$ c# W; q( t - L3_1: 2 i9 ]. i" Q; V; c* N( |4 `8 y
- LDA Bullet_Type,X
9 h1 u0 k* _2 z3 Y7 g - AND #$0F
. S+ @% E' n( \) N1 d - TAY7 w1 Y% A/ d9 O, b4 @* f4 N% I k8 t
- LDA Bullet_Speed_Data,Y7 q) D( f( J! L+ i( r
- STA Bullet_X_Speed,X
" l2 [$ h* q% Z3 E7 I; s/ X0 ` - RTS
+ z5 ^ P4 L: N) J: @5 Q9 \ - L3_2:
0 P+ T; d" ?& G; n' q: B8 o( p- J1 ` - STA Data_buffer
- ^5 j: u" B/ O4 v: ~2 B6 ?6 k7 v - LDA #$00
- y& T3 j5 V, K7 c1 l3 M - STA Data_buffer' R) ~+ u3 e9 j5 C$ b! r
- LSR! {: M* e8 ^; c+ [6 `: S
- STA Bullet_X_Speed,X1 U& q/ d/ j j5 Z- a
- RTS* v8 b* y; B. X
-
' H: h" B5 W/ B8 y( H - Track_Enemy_X_Greater: ;子弹X > 敌人X
. [0 _" ?' ]( a) X8 A. t - CMP #$04
4 N, v2 c' b; c0 {' w) C# t - BCS L4_1
; N' _% |' g9 R' { - CMP #$025 B1 W' [/ s! J
- BCS L4_22 y' F6 `9 E4 k3 X6 m, F
- LDA #$003 h0 U# L! u* _& i
- STA Bullet_X_Speed,X$ Y2 W3 B0 Z* L; m
- RTS* v& M' [3 o. V# v
- 3 I5 g" @1 I) f
- L4_1: ( G; L j9 G2 I& D3 H; ?
- LDA Bullet_Type,X1 d0 `8 C6 d! \* j2 t$ `
- AND #$0F7 k5 q. O7 W6 i7 A$ K3 `6 Y; Y
- TAY& U$ o, b& h: v
- LDA #$00/ H$ a& H" m+ G# A7 b: E6 A/ A
- SBC Bullet_Speed_Data,Y" x! {' V1 @$ Z- X$ D, {% R* E
- STA Bullet_X_Speed,X5 M& x5 D1 w0 n1 l4 n7 K
- RTS
: g& M& M W% ~9 t2 I - L4_2:
$ b& y* {' D. K - LSR1 k! i& ~3 d# e
- STA Data_buffer
4 n6 S/ a, _7 A. O - LDA #$00
) m# `( o* d5 S/ ^( I2 h; ^ - SBC Data_buffer
5 t' f. q: X/ a: Y - STA Bullet_X_Speed,X
; E; b. N9 q( [2 I - RTS
0 b5 U9 e2 h, E# g* B0 R, Q; H4 T8 M -
2 J$ x% ]/ m+ ~ X0 u- }' y- z2 R - Track_Enemy_X_Equal: ;子弹X == 敌人X3 q: @5 s c( S1 b. a, U
- LDA #$00& ~2 b: U- i: P
- STA Bullet_X_Speed,X
2 E- e+ M4 F) N - RTS
2 Q0 a2 p1 S4 Q; ?2 m -
% o* r( i9 C; h! `' g. P - Bullet_Speed_Data:. Q+ H) L- o7 L# r! r# @% N
- .DB $00,$03,$03,$02,$03,$03; O0 L, V7 G) ?. I0 ^' v
- ) l) P9 s3 z1 c% C& x, S+ A7 P( I
- ;2, 4关
: L0 n6 S/ }. X% H+ v: T - Track_Enemy_Ex:
) k7 M, w. T" L+ e4 p E - LDX #$0F9 Q/ ^% J" Q& o7 W# T% z/ K
- Track_Enemy_Ex_Begin:" g: u. b+ s1 C
! K6 w+ E- S; d4 ^, Z4 ?- LDA Bullet_State,X
( J; R# |: L" }0 T4 ? - CMP #$014 M8 e/ W' Z& v. F
- BNE Track_Enemy_Ex_Continue
7 f2 |+ U, P9 o" d1 ]7 w6 D- { - 7 w4 E0 z5 u# X+ Q5 y
- LDA Track_Enemy_Index,X
. x! p, ^ e& b6 g( x% o - CMP Enemy_Index
4 V% [! C" H6 e! L3 p - BNE Track_Enemy_Ex_Continue ;匹配追踪目标; V6 K0 z% |( \) l
- 7 I8 Y. D+ G1 d. c
- LDY Enemy_Index9 R$ U; R% _; r1 K0 i; T. G
- JSR Track_Enemy_Ex_X; T) Y% D) x2 t5 G: d& }
- & R& g! Q- c: G0 F- L
- Track_Enemy_Ex_Continue:
- N. z9 U7 K: |! J7 E - DEX
8 r$ X' f8 K4 I# H! Y5 S) V- m - BPL Track_Enemy_Ex_Begin( ] m6 x/ @ i* B7 Q% Z- U
- Track_Enemy_Ex_End:
7 R; c, U1 X l+ g: r8 O* a - RTS( v! k4 X* J; h; n2 s; ~% o& S
- & t7 a( @) f' j6 n& o2 S
- Track_Enemy_Ex_X:1 M/ }& A# T! |" f7 {4 g
- ;LDA Bullet_Z_Pos,X
& h$ d$ R+ [( T& U% E( I - ;CMP #$04: h; b# v6 ?; a" b# h u) w3 U, y
- ;BCC Track_Enemy_Ex_X_End
5 d# u# r& f) e/ k - SEC
2 N6 T( l+ g6 D) s- v' z8 f+ |& @ - LDA Bullet_X_Pos,X
5 `* w' M5 A( t - SBC Enemy_X_Pos,Y' ?6 x* X/ M* F; h9 [# [
- BCS Track_Enemy_Ex_X_Greater
3 x9 h# h( x& b. I0 _: E* I4 n - 6 [2 k+ g+ {0 @0 }
- Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
: i3 J$ i( k, o% K' ^2 S. u7 B# e( h5 z - CMP #$FD
) m) c, f" D$ N' x - BCS Track_Enemy_Ex_X_Less_End
9 @! s! O m4 o' y - LDA $6020,X
1 ~- y! `; f7 x8 r- J& ^ - CMP #$2A, Q5 X- j, H8 X0 y' W( J S1 L
- BEQ Track_Enemy_Ex_X_Less_L1
8 }# I, G4 x+ h9 m n - LDA Bullet_Z_Pos,X
: L' h3 [3 a- {, I) Q - LSR
8 c1 E- x' U1 s" [! n( H$ N) f - TAY
( `2 [4 r: s9 B* ^% d( z+ u3 m - LDA Bullet_Speed_Data_Ex_R,Y: ^0 H, @+ _, w( K- p. E
- STA Bullet_X_Speed,X) l. W: M. `! s6 t' w, y! c' h
- RTS
; n1 R& l7 _, a9 O. b - Track_Enemy_Ex_X_Less_L1:3 l$ j# Z: Q9 }! w: o1 b# H% X
- - ]) B! Z5 e2 ?! I9 A
- LDA Bullet_Z_Pos,X# u, W6 v( \5 q2 l" ?& f
- LSR
2 ^) D% K5 X% E2 O* e# l, ? - LSR% n; M) @' p/ T4 O# Q' }1 p
- TAY
" h4 d- K+ _, _& U* n4 T# i - LDA Bullet_Speed_Data_Ex,Y
+ m6 e: y) S m6 e3 X: h - STA Bullet_X_Speed,X: f r. F, X* x$ C
- RTS- t9 D1 S& q/ n/ I9 v0 i
-
8 a5 ]8 c6 ?& |: c& a1 _4 C - Track_Enemy_Ex_X_Less_End:& @+ H. ?. G) Y$ U. J6 q3 c
- RTS
' R) |! m! x3 a# x, D" R& \
& a# U* q; m. U4 x4 e9 e# P4 w- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X$ ?9 d& Z( P5 B! m; h) c* \3 \( I
- CMP #$03
2 d$ j/ t n3 K* w" P - BCC Track_Enemy_Ex_X_End
: y$ V# u. Y! r5 p - LDA $6020,X
3 s7 r8 o" i5 N( B - CMP #$2A( F: v9 I* F* m- Q0 K- C
- BEQ Track_Enemy_Ex_X_Greater_L1! R# g! u1 \, V$ I, C& ]' i _" b
- LDA Bullet_Z_Pos,X& M0 n- G s9 `: A
- LSR
8 m' s( ]. n9 \) a - TAY
6 }0 u6 G2 z% E+ }$ m - LDA #$00: A! X* a, w" j6 F3 v* B ~
- SEC2 }/ K2 p4 Y4 c& e: k v) q
- SBC Bullet_Speed_Data_Ex_R,Y+ v, z/ n% u4 a; _; V
- STA Bullet_X_Speed,X4 ^0 _3 ~1 z+ i* n1 m1 R* E+ |, u8 V; t
- RTS1 }/ q' @ ?! y: r7 }# P! F' E# i y
- ' v5 }( |: }5 D0 B
- Track_Enemy_Ex_X_Greater_L1# |4 ?, e* M8 M K4 R
- LDA Bullet_Z_Pos,X
$ z, d! q3 g n7 E; K - LSR
% K9 q2 h+ D9 C- E! r - LSR
3 o5 A3 u- s/ Y8 f - TAY
# ]1 ]& B7 M. g: _5 \4 v% y - LDA #$00
: b' v8 L5 E$ `9 d - SEC
+ U. O6 I" ]& X* J - SBC Bullet_Speed_Data_Ex,Y
- z$ E: J: Z: w2 I6 i A5 N% s - STA Bullet_X_Speed,X
v( @& U+ B, W7 j8 ?" g2 e0 I - RTS
" G- _: C0 Q3 ?0 v, l" s1 O- m5 H - 5 C- |+ u: R0 ^" P7 z( P. y* a' j7 g- E
- Track_Enemy_Ex_X_End:& J( z) \% D! h" D. e
- RTS
$ K& l5 B" b; Z7 t" V - 5 H, W& s( H) S+ ] y, Q
- ;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)
* N9 i0 p5 ^* [; `/ n( R% x - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
' I8 D! U% Q. G. N" p- c: s - Bullet_Tract_Direction:) g* ^2 n; F- ]/ s8 U8 H
- LDA Bullet_Icon,X- Z$ ?3 R W8 \4 w
- CMP #$23+ k* ?* i1 W7 f- p
- BCC Bullet_Tract_Direction_End
/ U7 J6 v4 P J' q9 l1 V% Y -
/ G& a/ g1 E1 k3 m# n& V" C Z - ; X != 0/ o$ O/ y5 V8 \7 Z" N6 v
- LDA Bullet_X_Speed,X$ n1 v# x# I3 k+ ]
- BEQ Bullet_Direction_V
9 D$ [& q3 O8 {1 P2 o - ) ]; [/ x* s: v
- LDA Bullet_Y_Speed,X4 N4 e' T* l/ w5 A. D
- BEQ Bullet_Direction_H
- `9 ]6 ^% |1 m -
( H; B6 `6 D6 k, M! b2 u2 F. H - LDA Bullet_X_Speed,X' V* g5 M$ A' |0 W' [
- BPL Bullet_Tract_Direction_Right0 H/ k9 \. j$ X5 l5 k( i
- Bullet_Tract_Direction_Left:
7 ~# N. r$ ~" R, {/ o - LDA Bullet_Y_Speed,X( @* C, Y- Y/ }: w1 c# X t
- BMI Bullet_Direction_Left_Top* v5 p! E6 I- s
- BPL Bullet_Direction_Left_Down8 r* D7 F q# |+ P, o0 ~1 D2 [
- Bullet_Tract_Direction_Right:* U% \3 {% P+ ?: I1 a7 ^
- LDA Bullet_Y_Speed,X/ f, q% B$ i" [) Z4 Z( _
- BMI Bullet_Direction_Right_Top
- V8 z4 g) ]3 t' _ - BPL Bullet_Direction_Right_Down* \0 f2 D5 N$ r! ]2 F2 h
- Bullet_Tract_Direction_End:! X9 i9 W5 h5 J9 z% U" x" I
- RTS
y1 J5 J0 g. Q4 [* z - + F3 E; S. u) E, I9 k& R$ @
- Bullet_Direction_Left_Top:
1 F% w& r5 [5 w6 v- V - LDA #$25
0 O; J% O* _- P - STA Bullet_Icon,X; e9 Y, b. k! f* T, R. @
- LDA #$C00 {0 w5 x; J8 ~7 f# q9 N
- STA Bullet_Direction,X+ R1 m4 I2 c( l. z$ Y! H6 ~+ ?: Y' N
- RTS1 {" v) o, G" g6 p
- 2 B' v6 F- p, G7 R/ b
- Bullet_Direction_Left_Down:" A/ B8 R( o) o, n
- LDA #$255 N3 E$ A/ R9 B0 c8 O1 U
- STA Bullet_Icon,X
' e2 f* Q0 L0 K2 o - LDA #$406 r B* M0 z+ P
- STA Bullet_Direction,X
, J. A% w! y$ l: p2 }' W - RTS3 f- G J; e1 U. F% G8 k8 @+ F) v
- 5 c8 y' e6 _7 j P1 q
- Bullet_Direction_Right_Top:
. m$ u& r1 M' W' X8 }- k - LDA #$25
5 ^1 c/ a$ u! F! S9 j) _- w - STA Bullet_Icon,X4 T! t; _1 }* o; o
- LDA #$80) u0 j: [! {7 h! N
- STA Bullet_Direction,X1 {6 u9 W4 R: t: B( M. ^
- RTS H% M5 n2 q6 ? ^$ A; Z7 ^
- 9 s/ j6 I. z; a0 o- }5 D! m
- Bullet_Direction_Right_Down:
. E7 c1 N2 I* P, K& k6 \ - LDA #$25+ f5 b* Q! \, h$ q0 y" G- n9 p+ }
- STA Bullet_Icon,X
( x1 y8 e Z* m2 E# I; q - LDA #$00% m7 q( j% _6 [; t( `7 X7 d
- STA Bullet_Direction,X
4 X6 _5 d! }4 B) e2 N7 s3 S$ B - RTS3 X! O1 Y6 u7 o+ f+ Y
- : a& ?2 A& }8 b4 i3 R4 b0 U
- Bullet_Direction_H:, J( ^! g, R0 E' l" w
- LDA #$240 O: z6 U$ C2 v7 i( I
- STA Bullet_Icon,X
( O1 t. n' q: t* i - LDA #$00& f+ U6 @5 d8 D* V7 j* ]
- STA Bullet_Direction,X+ T$ G( C6 G3 W3 g
- RTS
3 H- M% f: ]3 c; ?' ^2 a( d$ z( W
$ n3 s- b9 d8 t5 S6 { N9 L- Bullet_Direction_V:
% k# U7 D, V$ x# r2 w3 ^3 ^. u - LDA #$23) B0 t2 x. w8 L
- STA Bullet_Icon,X
' z C# \8 T3 c9 _1 c - LDA #$00
) [' B' i2 L# M6 u - STA Bullet_Direction,X) T/ G1 F5 @3 o: E0 |# ~- x: n1 V
- RTS
* P8 K9 r# y" {* G - : q" C: K. K2 O8 `
- Bullet_Speed_Data_Ex:! q' x2 m$ e n0 I5 H" a$ n
- .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04 `9 i; V2 f( A! c
- ( i% K( b6 Z1 T# t' q: C1 d# [
- Bullet_Speed_Data_Ex_R:
2 p+ ]. ~- m, U# e' R - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08- X- I0 {* {2 e5 i& E
-
复制代码
$ s8 F* [, [- T9 G. e1 O. O4 g# x! ]/ z+ H8 S( z) z" C
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