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[FC][魂斗罗][J][追踪弹]
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7 H& E5 J4 Z4 d2 W8 y% j, z时间:2023.04.30
5 ^4 K/ S+ C, F8 R- }( I作者:FlameCyclone% Q, |; u8 k1 G5 d1 @& _7 S& i
内容:! E% I+ G# I. N6 W* ?. Z/ u
1. 所有子弹追踪敌人6 |( A) M9 Z, f' l- g0 k/ W
2. 选择键切换武器* ]: t U4 O/ V- p2 U$ ^4 L
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/ N5 M* U# I' t! K+ B
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flamecyclone.ys168.com
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- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁
' B1 Y2 t8 r6 f: Q# m0 T - Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L) Z- Y5 i" p2 e( ]# 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)
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- ;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)
4 W R1 C5 _& _. r- e8 R - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上. ]7 {! d1 \9 g% }! f
$ G* b' L/ p8 _& i4 t# ^) _8 K- Track_Enemy_Index = $6000
# G7 P: I- B9 ?% U9 E - Enemy_Index_Begin = $6010' u" s& R4 I) j' _# Z; `
- Enemy_Index_End = $6011
5 K8 Z* j2 v- E7 J+ P s% P
+ ? y9 Q& q( F$ L4 W- Loop_Index_I = $6012; w0 |7 h$ u8 H3 y/ p. n; G& B
- Loop_Index_J = $6013
8 J# ?: h2 j1 Y; a - nEnemyIndex = $6014
& a( s& L7 L' a# I- S. i - Data_buffer = $6015% v/ U6 B3 Y4 m0 Z% O6 q7 H/ D
3 n: `- n2 g+ Y( P4 `4 n- Bullet_Y_Pos = $03B8 ;子弹垂直坐标& O( {; x0 ]* e- L/ Q5 z" N
- Bullet_X_Pos = $03C8 ;子弹水平坐标
5 t# R8 x6 d$ V; l ], G - Bullet_Y_Speed = $03F8 ;子弹垂直速度6 `! F3 o K) M/ q8 M1 E" i
- Bullet_X_Speed = $0408 ;子弹水平速度
& _9 r. `/ \0 s* d - Bullet_Z_Pos = $0418 ;子弹Z坐标
, M7 [: @7 m F" O - Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P+ L& ^/ T4 e j# K8 ~. O% q
- % W8 {0 F( ]( I9 ?; A% N
- 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
+ c, B( R! n' o - Enemy_Blood = $0598 ;敌人血量- \' W3 [9 d4 | ?! u7 a1 U
- Enemy_Type_Addr = $0528 ;敌人类型6 j H4 F& v* a# j+ G
- Enemy_Blood_Addr = $0578 ;敌人血量; \* P7 A$ F' L G
- Enemy_Y_Pos = $0324 ;敌人垂直坐标+ l; f, H- X; D8 ~/ A6 D
- Enemy_X_Pos = $033E ;敌人水平坐标. o4 g' l0 d+ }, i1 z9 }
- Enemy_Y_Speed = $04E8 ;敌人垂直速度6 E$ a3 _5 {8 i' ?
- 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
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- Enemy_Index = $83 ;* V0 r( m5 r4 f3 f* u
- Time_Count = $1A2 j+ G. k/ S! [2 n5 y: [ `) H9 s
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率" ~: J+ x( x' f2 c' o
- Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率. u3 ]( Z9 R; W: e) I
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5 ~! q5 t( w9 j. N- t( M- .ORG $6100
9 d2 y7 K0 R3 S4 ~( M+ n( C - Process_Begin:5 I. O4 @" m/ G$ r, P( _7 `6 a- v
- JSR Enemy_Check1 d5 O9 R( {, \! A! C) j( f
- JSR Track_Enemy_Check8 }" g. M' k5 w X$ h9 c! h' r' j) h
- Process_End:4 u- ?7 j9 s( U5 O5 b, E
- JMP $E54F" _ a+ }+ {# l, B `- S+ k9 c& q
- , G: S6 g8 s( H; e8 F
- Enemy_Check:
" L' f! \" |) `, P - LDA Time_Count
1 C# \; |* b& v) ` - AND #Track_Bullet_Speed
. n' u0 u9 R$ ` - CMP #Track_Bullet_Speed
/ U" @8 s+ `7 t, v6 l - BNE Enemy_Check_End9 B! Q$ t6 H+ y% F5 g$ s) F
- LDX #$0F
% M4 m z5 h/ ~8 w* G, p - Enemy_Check_Begin:' t$ X' X- I5 C0 [! p7 \
- LDA Enemy_State,X
- p+ u% A9 h3 Y1 p1 w/ E - BEQ Enemy_Check_Continue$ Y$ k: ?4 B+ u( A- p' Y( E
- STX Enemy_Index7 H# q- j* U& W, q! h- s
- JSR Find_Begin_Enemy5 K* o0 A/ ?% [# K
- JSR Find_End_Enemy# l% T! V U/ G4 T9 \- q
- JSR Bullet_Track
3 _7 }3 \+ s! I8 n - ' B% w; d: x$ }# }! ^. Q8 [
- LDX Enemy_Index
2 a7 J6 x$ v1 }- o- Q+ w - Enemy_Check_Continue:
" Q7 E Q% [4 |; H/ G - DEX8 L% U0 {7 z5 u( o
- BPL Enemy_Check_Begin$ K( D5 f+ p! X8 p/ [8 k& r1 z
- Enemy_Check_End:. a4 z8 ?, I! B% I- I( G
- RTS0 _' J: D3 ]! I k" e
-
1 |8 E+ B# C$ u2 N5 s - Track_Enemy_Check:
+ A s9 H! ]) q8 E3 d/ y4 M - LDA Time_Count1 z7 g" Q$ R3 G7 k
- AND #Track_Enemy_Speed
; d; `7 f" Z$ D6 }) A% E% r - CMP #Track_Enemy_Speed' i9 s$ U- V# j7 R% F: f
- BNE Track_Enemy_Check_End
# }0 W! a0 o- o+ Z6 |7 s - LDX #$0F1 m( z/ }$ _5 s% C
- Track_Enemy_Check_Begin:- `# ^7 k s: R- y3 B+ J6 k* N X
- LDA Enemy_State,X
! p0 p: X# H5 A7 c - BEQ Track_Enemy_Check_Continue( T$ C, K1 v. |& J; ?7 u* n
- STX Enemy_Index9 @5 Y- T6 @, N" A1 O
- 8 h* k& @; q( `, c
- LDA $40
* x2 \+ h' ?- ]! X4 } - LSR
1 r5 b: }$ U( j3 X' h - BCC Track_Enemy_Check_Begin_L1
) o4 P r/ M( ?9 ~ -
3 a% f4 S1 u& o8 g- A- b) l6 z - JSR Track_Enemy_Ex ;2, 4$ e( E- y# R, J
- LDA #$00/ q, F* w- A- R4 G
- BEQ Track_Enemy_Check_Begin_L2
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( I$ G5 ?7 i1 l8 g6 e3 D" [( s, w - Track_Enemy_Check_Begin_L1:0 y# d8 T Z$ x& c& `: D0 n
- 6 D3 ^* L+ F; K. p& a4 h8 x# q( |4 ?' t
- JSR Track_Enemy
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% S/ W9 j3 ^: n1 t6 J+ A5 F _- Track_Enemy_Check_Begin_L2:, u/ C* [; S; y8 g# L# s
- + V4 T7 @# H: C& v
- LDX Enemy_Index/ z0 F* X6 p/ d7 h" z- ?/ y; S4 K
- Track_Enemy_Check_Continue:! C% ]4 q; g! n8 ?% u4 \: Y2 b
- DEX9 I r \) h" O' n& H
- BPL Track_Enemy_Check_Begin, H2 p2 A+ b, Q4 s0 \1 s
- Track_Enemy_Check_End:9 V$ |9 u1 J0 G. P
- RTS1 o" y- D# Q0 U
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- ;查找第一个敌人
( b' _- ^; @% d/ F0 E4 M' \ - Find_Begin_Enemy:
. [4 ]! S2 }, u# T+ @0 m - LDX #$00/ `. Y8 p) J& Z9 ], Q
- Find_Begin_Enemy_Check:
2 K0 H& u- V$ `4 _! H. U - LDA Enemy_State,X$ @, Y0 w; N, {1 m5 ~' B, K7 a- u
- BEQ Find_Begin_Enemy_Check_Continue
9 z5 h# D( G9 G- k( B$ h8 ? - LDA Enemy_Blood,X$ i! n) Z' [9 W1 e1 [- [
- BMI Find_Begin_Enemy_Check_Continue3 p+ r! _7 U9 @' U8 c/ C5 w
- BNE Find_Begin_Enemy_End3 d& H+ U2 B& Y# ] |4 s6 N1 a! p! L$ d9 k
-
6 r8 `! u6 [1 N! J* Q; F - Find_Begin_Enemy_Check_Continue:% p6 K) ]7 J H9 q" H! V
- INX
1 W" |- L) e) {. m7 h& a - CPX #$10# S7 a" U0 [8 _! G# Z2 [ s- [
- BCC Find_Begin_Enemy_Check
$ E4 ?/ Z1 r+ r - Find_Begin_Enemy_End:$ M# {4 B+ x, Z* F( F3 @
- STX Enemy_Index_Begin/ O1 Z: \7 R$ b* J3 ^ ^( S
- RTS/ C( z5 k; W; p. ?1 q
5 V2 |( I- F1 y5 |) i- ;查找最后一个敌人
8 W( U1 i( I1 a; t1 q/ F - Find_End_Enemy:
6 B2 b: [ J3 ]" f/ h. V - LDX #$0F
3 H7 X' A8 j; N' Z - Find_End_Enemy_Check:
$ `# D' h: a" z) ?$ M4 ~ - LDA Enemy_State,X
/ Z* L5 Z7 [6 c8 \! A8 }' | - BEQ Find_End_Enemy_Check_Continue
4 C) d! {1 b! @& b' D& i - LDA Enemy_Blood,X) j" c7 t( e$ l* ~/ w; M, a' f
- BMI Find_End_Enemy_Check_Continue4 y) s2 Z+ H1 n4 N1 M4 p% c
- BNE Find_End_Enemy_End
5 p8 m; V3 L8 j+ p - " _2 d: `! U8 L, P/ x/ X" K
- Find_End_Enemy_Check_Continue:
6 `9 K* ~. A2 G& [ - DEX& @" L$ i3 Y M Y4 ~+ I7 H) c
- BPL Find_End_Enemy_Check
2 q4 h, d" S' g" l' e - Find_End_Enemy_End:
, e3 j/ Z) M+ l/ C" a, P5 ~' @ - STX Enemy_Index_End
4 D# X/ a3 D/ l - RTS( ~, U& p. Y: H) [
& Z7 x. Y' d' Q( ~- ;子弹追踪- R& Z5 |' V) k
- Bullet_Track:; H2 W" V, A+ H& Q2 I$ J
- LDA Enemy_Index_Begin' G: w( ^# L4 v9 G8 z; w' p. v
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;7 q ]5 |3 a2 m. ?' x
- LDX #$00 1 ]: ^' r6 Z0 I# U
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
6 B m2 t# y& A8 j' H1 R+ U - LDA Bullet_State,X9 |6 y$ M% Y" z- H, |
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;$ g5 U/ H$ P" ^& F) U8 q
- STX Loop_Index_I
1 T! z- i& h" \$ k9 z+ } -
' N/ v9 W4 R8 R3 h) u - JSR Bullet_Track_Enemy
5 S5 ~$ p% V1 ?# d1 \ - JSR Bullet_Tract_Direction
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0 L/ S! G) ^, o0 G - ;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
/ K1 Z: z5 }0 K4 H - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
; j1 m* @' P% s) Q/ y: z1 V) q - LDA nEnemyIndex
- a9 `* i" d3 [5 | - CMP Enemy_Index_End
' C4 l* d6 j T3 K - BEQ Bullet_Track_Check_Continue
5 n+ C/ W" C, t4 g2 A* O) z - BCC Bullet_Track_Check_Continue- \" T N: X4 {! C/ n% _2 V
- LDA Enemy_Index_Begin7 e0 w8 L4 {; j! f
- STA nEnemyIndex* e+ K# q; _+ X6 j
- ! K& K2 d$ f/ K* \6 M5 K9 q
- Bullet_Track_Check_Continue:
2 M; \8 }& g1 L3 x, ^" n - LDX Loop_Index_I6 C: b6 P- [" D4 {
- Bullet_Track_Check_End:" S0 t: Q* \( V) l. k
- INX
4 _/ B0 i+ s9 L& D - CPX #$10
8 B8 t7 i7 S8 I) B# L - BCC Bullet_Track_Check
! A% \9 ^8 V6 Y) _ s6 ]5 N: |* O7 G - Bullet_Track_End:
# V1 L) U" X7 E+ g) {2 h# [7 @ - RTS; l) G5 M4 a( ]$ S
- 8 L9 ?' _+ C; {% [& _
- ;给敌人分配子弹
# E/ ^0 U7 o/ P# Z - Bullet_Track_Enemy:8 j& K( C) v+ e9 s4 h: W8 s; P* {! \
- LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)3 B' b; D8 P9 j* a
- Bullet_Track_Enemy_Check:* y0 x$ |7 q6 e, g# e
- STX Loop_Index_J1 x' f4 N! w4 J+ s
- ' s. M, V& k$ O7 L' P, o$ c4 }
- ;if (0 != nEnemy[j] && -1 == nTrack[i])
# U. Q4 w$ L* \ I/ ], ?, Q' p! t - LDA Enemy_State,X
( n% u: J$ v+ O% {) g - BEQ Bullet_Track_Enemy_Check_Continue
" x5 _6 o, m: i, x - LDA Enemy_Blood,X
/ o$ Z& ]6 m; @4 z - BMI Bullet_Track_Enemy_Check_Continue4 K3 V$ f$ ` h% m1 y" X
- 7 R$ F! O# S% w) y8 n4 m* M) o
- LDX Loop_Index_I. Z" p. I; Q. R5 I6 P( G9 K
- LDA Track_Enemy_Index,X3 V9 u) l* T' J9 a' ?4 v
- CMP #$FF
4 c7 D o$ c ?+ m - BEQ Bullet_Track_Enemy_Init& Q" H8 z2 K5 X
- : `$ |2 Y8 I/ |3 t! W
- Bullet_Track_Enemy_Init:5 c; `! Q- ]1 V$ E7 `! e1 `
- LDA Loop_Index_J
' E/ N/ w- K* F3 z; ~ - STA Track_Enemy_Index,X ;nTrack[i] = j;% t( D# Q+ Z5 w& w
- & ^, T. O9 J4 s
- STA nEnemyIndex
2 c6 f- Z0 x* p; q - INC nEnemyIndex ;nEnemyIndex = j + 1;8 C* Q( _( |0 k
- RTS ;break;
; v1 H& n* w0 t1 I0 N. P2 X
2 K* r/ r7 n+ ?0 r- Bullet_Track_Enemy_Check_Continue:- ?# z' P; C1 P% J. S/ X
- LDX Loop_Index_J
7 ~/ G7 q" w: j; k - INX ;j++" p7 Y8 d* q$ P& Z6 u k
- CPX Enemy_Index_End' r- C) y$ U4 V& t2 A
- BEQ Bullet_Track_Enemy_Check
, m( w$ J1 l* P- E% ]- z' ` - BCC Bullet_Track_Enemy_Check# p, Z) F o% Z5 y3 K2 ]3 d7 Q
- Bullet_Track_Enemy_End:
( S1 T. [0 m* | - RTS
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- Track_Enemy:7 o: F; q9 F' c+ o
- LDX #$0F& I. g i( ~" [
- Track_Enemy_Begin:8 V8 W8 Z. D! _. p
- LDA Bullet_Icon,X
- R2 {' }9 U* [ - BEQ Track_Enemy_Continue1 [, z3 u* M, P- y( i( @
- LDA Bullet_State,X
: u: I( A: q4 h1 w, M* B' G - CMP #$01
1 b. Y d1 \6 s% b' m - BNE Track_Enemy_Continue
( ~9 N% t3 o8 `7 Y! W( m -
+ J( L# m) v- X9 l5 {3 X - JSR Track_Enemy_Process0 n& p% S. N; D9 c' U
- 2 L3 A J7 T G# f; o# |
- Track_Enemy_Continue:) P7 ?% W# X1 ^( I1 k9 T1 `/ n
- DEX
4 p4 h. C3 s f4 K - BPL Track_Enemy_Begin
1 T9 M$ N+ n4 A$ K7 I - RTS
, e! z0 ]- s. Y
, C. L w% e; q3 k$ |$ f+ P- ;普通关卡
% w4 ?! j5 P' ]3 r9 E+ d- W - Track_Enemy_Process:
# \- n" C; a* n5 K7 E! C - LDA Track_Enemy_Index,X
5 d9 G+ X, H1 o# l# S) @2 l1 N - CMP Enemy_Index; r3 a/ V5 E* c3 d& Y2 P- Y
- BNE Track_Enemy_End
6 ^" o) @3 d# x7 C w+ t - LDY Enemy_Index# Y/ q7 g) D) M* I: m
- JSR Track_Enemy_Y
" t& u/ i5 I5 t - LDY Enemy_Index9 t; k& u1 |/ ?+ q {" Z
- JSR Track_Enemy_X
3 n& W; ?6 J9 F" b" l - Track_Enemy_End:4 {( _: U& @: z
- RTS0 C( y4 c! }7 |
-
: d" G* |, _2 L: G0 b7 I: D - Track_Enemy_Y:& v7 b; F( E' C
- SEC
9 q, C8 A, M2 U4 H; u+ }4 ? - LDA Bullet_Y_Pos,X
& }% v; N. V& ?0 u/ T1 A a - SBC Enemy_Y_Pos,Y$ X8 d8 O/ T6 A* ], x
- BEQ Track_Enemy_Y_Equal
+ i! \0 ]& I% Q- n$ i! {6 j - BCS Track_Enemy_Y_Greater
; F; @# F$ ?4 S& _7 _% `* r - s3 u6 X& U. |* U# }) l a4 O' O
- Track_Enemy_Y_Less: ;子弹Y < 敌人Y0 C# z/ @( Y! x; R6 j
- CMP #$FC- @4 I0 P; n8 t% O
- BCC L1_10 E5 z8 z9 m& s1 z2 p
- CMP #$FE
4 K1 t6 M1 b$ ]# y - BCC L1_2( y. T3 i/ v/ b7 q) z. F
- LDA #$00
- i! ]# R5 c6 Y/ e$ a. Z" X - STA Bullet_Y_Speed,X
& G5 ~5 \- |1 u& z - RTS
0 j$ b* |8 }1 T2 R - L1_1:
$ a. i- Z$ O7 g M: g - LDA Bullet_Type,X
# G; T; J6 K4 D0 x- i& t. a - AND #$0F4 }/ M* r7 I& ~: @. e
- TAY
4 i$ E7 @! M# I- P8 @3 w - LDA Bullet_Speed_Data,Y
1 V# E5 K: s5 q" ^8 J - STA Bullet_Y_Speed,X5 {5 l; x% s. T
- RTS
2 r# E1 N: c) |: Q6 S+ H7 }' f - ' L& `" w4 }7 t0 }% Z+ j+ @+ ^
- L1_2: 7 z3 M3 \% m$ t0 F' d8 o# Q
- STA Data_buffer" V+ t8 U* z3 ]( Z! h7 _
- LDA #$00/ r9 ~! M9 {0 ~/ N: }
- STA Data_buffer
2 q2 M( \7 g: r) Y - LSR
6 K { l$ A) } - STA Bullet_Y_Speed,X
* X, o' f- z! R6 r P C, P - RTS& n c$ o2 m, b3 B; k+ l- ^
- ' h: q8 T) o7 S8 ?, p7 C
- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
5 X$ g# K1 e$ A* B - CMP #$04, K, W8 r' E D% D* E" W
- BCS L2_1; t; o* q% m D) \' p. S" s
- CMP #$04/ V: M5 L& b0 W3 N& C' p
- BCS L2_28 n3 @$ [3 u. G
- LDA #$00
* A+ n! M E4 i0 X+ V" U9 a+ A - STA Bullet_Y_Speed,X) v t5 @( }0 v
- RTS
/ y, ~/ M- o) E& N: r: f" m$ n -
* H% e- I$ p* D - L2_1:
# V# i+ ]+ X, } - LDA Bullet_Type,X$ i( D# m9 p# c+ g3 S: L
- AND #$0F* P/ D& J, [; Z0 w1 d
- TAY; M" [: B) n- @. U! B% z% f. o6 K
- LDA #$00
* l8 W1 V5 S( R2 t4 d3 w1 x - SBC Bullet_Speed_Data,Y& K/ p" D, s6 z2 N8 {
- STA Bullet_Y_Speed,X
* M( @6 l2 m# h8 X3 ^- J - RTS9 Z( p2 b8 G* D' E- O/ {
-
3 {5 F3 g% r0 M7 o! v) v# t4 z - L2_2:
1 B7 p5 n" f; H$ u - LSR
7 o3 H) T& H6 j - STA Data_buffer) _) C6 e* ]4 H3 a, A0 B- y
- LDA #$00
% |3 z" N: |8 i/ W& S; E+ S - SBC Data_buffer
/ R3 |2 }3 Y* \( O* _ - STA Bullet_Y_Speed,X; S! j4 r% Q" @; M% x
- RTS3 t$ n I1 _) S% Z8 o
-
6 P+ x" d& L$ H- f+ J2 b - Track_Enemy_Y_Equal: ;子弹Y == 敌人Y
& w3 ~3 W3 V+ L! P1 H2 b9 U* m1 T+ @ - LDA #$00
2 `. @$ b, |0 Y& D7 w4 ^ - STA Bullet_Y_Speed,X$ Q: a8 \ ?" n4 V4 k. r" G4 c) {
- RTS
6 @) R$ A3 a8 D0 f2 z. [ -
/ D1 k% a) X, [ - Track_Enemy_X:) T. o6 t( Y' Q/ P' X1 e8 M
- SEC% o8 y% s# V6 ^! v! a- Y& I
- LDA Bullet_X_Pos,X6 u- N7 U6 h4 `- k* s
- SBC Enemy_X_Pos,Y) ^0 E! S7 j. Q, ]6 D0 @9 G) \
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X
' v! {& |. c- B* H# H; }" P - BCS Track_Enemy_X_Greater ;子弹在敌人下方
. M: t. U, ?; r" F+ M, N -
3 T4 E" n, @4 g( H O2 |/ g; G8 _ - Track_Enemy_X_Less: ;子弹X < 敌人X
- P( C+ u2 x$ I0 V0 | - CMP #$FC
. ?" l. h5 \4 K; v - BCC L3_1# ` U( }9 e% }1 T* n
- CMP #$FE( \! G w% F9 T2 V8 s
- BCC L3_2
5 x( h* Q2 I' i8 r - LDA #$00# z& |) m5 y! v9 s% H# s
- STA Bullet_X_Speed,X3 f* Z/ N4 ^1 {% b( }! O- l
- RTS% H8 d" _' O: f9 s3 X' t
- L3_1:
$ w0 g( U5 C" S/ n - LDA Bullet_Type,X
* G) `1 v8 |8 D: o - AND #$0F
: n" p& \6 L8 z - TAY5 F; L. y; D* A, C# C3 a' Z
- LDA Bullet_Speed_Data,Y Q- J: a) |6 i+ w# N
- STA Bullet_X_Speed,X( v. @$ A- p9 D4 }$ |7 ]* [
- RTS+ Z# |3 w7 j P1 {
- L3_2:
7 o" V. ?( w( m! V4 l5 n& ^ - STA Data_buffer
5 U, j) _9 V/ M - LDA #$00' Q$ i4 Z7 L2 V2 d0 A v
- STA Data_buffer
u. F- }: J8 q4 d - LSR
; P, \: F; r8 {& M, m - STA Bullet_X_Speed,X
! k" A$ B, H; y - RTS
1 h8 g- x- b2 D' Z, B9 ^( B0 B7 ^, p g - ! Y A8 {* Q+ L2 \7 E2 z
- Track_Enemy_X_Greater: ;子弹X > 敌人X1 m S' @% v X
- CMP #$04- O, f' v; R, m& t+ d, T9 J4 W5 X
- BCS L4_1
1 j0 S# ~$ s6 C) [ - CMP #$02
" X- N0 b& F/ H# v; ` - BCS L4_2, C5 ~7 V! s) B' C3 j g$ B3 \/ J
- LDA #$006 w- a: m; T* Y
- STA Bullet_X_Speed,X
9 [' d: _4 A1 b6 T - RTS
! L4 O) v6 a; N -
3 J0 Q* W3 I( j. u. t5 b. T - L4_1: 5 N( K9 ]) G* @
- LDA Bullet_Type,X5 K3 B8 J) o+ J% Y B( _
- AND #$0F
' ?( N4 j1 w$ @5 r. ?" Y& Z - TAY8 h1 k1 Q5 Q: Z+ ?
- LDA #$00
2 G" B: h/ K5 a - SBC Bullet_Speed_Data,Y9 r. D1 [ }) @ ?
- STA Bullet_X_Speed,X i& j- ?! k# D l( X
- RTS
2 a: f7 G& V+ u; {, D- p3 n - L4_2:
% v$ M+ N# S, _. p- J - LSR
u" q' S/ D( K6 r9 c - STA Data_buffer7 T C, l$ X/ c3 n& ~$ Y; V% |
- LDA #$00* E- @9 x+ G I4 o
- SBC Data_buffer' r' X f. W, r( x
- STA Bullet_X_Speed,X
+ n% V2 x4 Z$ ^3 z) M - RTS
* h4 @: R# l4 |' L6 X) X% M - 9 d2 {$ h9 |* T1 a; N
- Track_Enemy_X_Equal: ;子弹X == 敌人X
; r% R9 F0 V" u7 u; @( O - LDA #$00
- ?% q/ z L& a$ ^ - STA Bullet_X_Speed,X5 ^0 X5 e& x8 Q& w) {5 q
- RTS
. J, ~4 H" ?! M+ R# W R - 9 c4 j. ]8 ^* \. m8 I1 x
- Bullet_Speed_Data:* R3 u3 e+ O2 z. j* {: v
- .DB $00,$03,$03,$02,$03,$03# o+ B( Q/ ]& \$ W* c
- ! J0 L. t6 z' G% @+ Z. k' [$ G
- ;2, 4关; W( O. c) Q8 |( U+ P% F W
- Track_Enemy_Ex:
" x+ N; C3 S* i; {8 D - LDX #$0F
% D# L% O% W+ ~; y t - Track_Enemy_Ex_Begin:4 `: b3 _+ J3 [# o+ w
- 4 A5 T1 x( a% a. n- B
- LDA Bullet_State,X
) o. W, x6 d, Y# F - CMP #$01
/ U J6 _& m( p% P! }# ^ d/ D, @ - BNE Track_Enemy_Ex_Continue
% ~+ c. ]+ x7 l$ f -
/ w; K& A i1 o8 a - LDA Track_Enemy_Index,X
& `+ l1 C1 H8 Z - CMP Enemy_Index9 _9 ]4 \& l" Z( Q1 {
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标3 ^6 A9 S" x0 T! g0 s
-
" R4 n/ ]# ^- E! x6 D# ^ - LDY Enemy_Index
8 o5 [5 v" \4 x - JSR Track_Enemy_Ex_X
) q( s4 _- _- W( L9 a* W -
) n% m- _* e* [; L6 ]6 c0 `, G8 T - Track_Enemy_Ex_Continue:
0 X. C7 i _' y/ s - DEX \7 o% q( ]) L) @5 O& V/ T1 z
- BPL Track_Enemy_Ex_Begin( I! o1 P) s% ^+ v
- Track_Enemy_Ex_End:* d- H; W" ^3 N
- RTS
8 l! J% ?; X$ y6 u/ c6 y# U+ O - - F# G0 I) z5 _8 }% L: G' [* {+ q* y
- Track_Enemy_Ex_X:
8 j. v9 z* {& K: A$ s6 C - ;LDA Bullet_Z_Pos,X/ Q O: y& \$ D6 n/ `/ M5 H
- ;CMP #$045 c* ^5 P. k5 v4 x- s' Z6 H/ U, r
- ;BCC Track_Enemy_Ex_X_End
1 ]' e, M( W4 E$ {* Y - SEC
1 a3 u4 f3 a* D; ?4 } - LDA Bullet_X_Pos,X
9 I& R! }6 k$ X7 L7 g; R - SBC Enemy_X_Pos,Y0 N0 j' c: c9 m3 V& m
- BCS Track_Enemy_Ex_X_Greater* ?* F1 z2 c. g9 q
-
$ f: r: N* U9 u) Y$ z6 j- |# A5 n9 u - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X
! t, Z* W0 J$ S7 h* [; k6 H3 C - CMP #$FD
' ]7 n) a5 d6 [4 p; a - BCS Track_Enemy_Ex_X_Less_End
, i" T% d, ~2 c/ G - LDA $6020,X1 S9 w; {" W2 }$ V1 [& e" W V7 a
- CMP #$2A
m/ `( a3 m) m4 W - BEQ Track_Enemy_Ex_X_Less_L1
9 {6 a: T! v( j( }/ O2 O* Y - LDA Bullet_Z_Pos,X
2 L/ X- b8 g% g; O - LSR
5 l1 Z- {9 f% R" B - TAY
! f6 B- m0 d3 _6 H* R7 i - LDA Bullet_Speed_Data_Ex_R,Y
9 n! ]3 X4 Q; b8 d$ @, S - STA Bullet_X_Speed,X$ g3 j8 t; d# H7 Z: q' k# T+ P
- RTS1 r3 l2 I6 S8 z5 Q+ c# Y7 V7 }
- Track_Enemy_Ex_X_Less_L1:
7 M7 P, [& c$ A- Y - 1 a" V8 @& r9 F/ e
- LDA Bullet_Z_Pos,X
6 M- r: t# F q; R8 P - LSR
T. P; [ e! F! P! d. j - LSR
4 E1 P6 b) C* Z. E4 c7 Z1 h - TAY+ c0 v. R9 F1 m# u. }6 k' _0 q2 A( |
- LDA Bullet_Speed_Data_Ex,Y
# A, ^4 U' l) I* O: Q - STA Bullet_X_Speed,X- _) }) r1 V9 k
- RTS
/ W* P5 n, K, Q4 i: V - 9 c3 _7 j& \3 L
- Track_Enemy_Ex_X_Less_End:! o; b6 x7 A: H0 N3 E5 c( q- h4 a
- RTS
7 l5 I* J9 P) Y+ s - $ c) p, X2 R P/ ?% ^
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X2 F0 d( [5 c9 |9 N f9 [/ g
- CMP #$03
9 t4 P& P: V# B9 Q2 D/ S - BCC Track_Enemy_Ex_X_End
1 M1 I8 W" F& ^. d, | - LDA $6020,X+ R3 u; K( O; ^8 r% C4 N
- CMP #$2A4 J' m: b# P9 N% a
- BEQ Track_Enemy_Ex_X_Greater_L14 c0 A2 r1 ?/ v, k# t4 }1 S& _) \# P
- LDA Bullet_Z_Pos,X# ]) P2 y% P( v$ x/ G& ^6 I& r Y
- LSR
, P, B4 n% D! U+ p4 k- l - TAY' v- ^" {8 s( |
- LDA #$00
C& g9 N5 c% z: u3 r2 A, w8 U - SEC p/ f ~% F. A7 T5 U* @) k
- SBC Bullet_Speed_Data_Ex_R,Y5 P3 u" @0 m3 x5 A
- STA Bullet_X_Speed,X b+ P8 \" H# P( D; r
- RTS
6 N+ d) X5 K) y7 X8 l9 Z1 V - / I3 \2 g8 i% t
- Track_Enemy_Ex_X_Greater_L1* j4 u9 ^. ~" P4 ^& `
- LDA Bullet_Z_Pos,X
" |5 T& q* F' }/ h/ t - LSR
+ G" K# o. z" ~1 H6 Y+ K2 y - LSR
7 ?8 Y/ C6 [4 v" O7 E5 @: l+ S - TAY
: ^; k, y* D' d8 | - LDA #$00' U8 ~& q5 s: ]3 O; [
- SEC
; o. G8 ?% Z1 i: ?& j - SBC Bullet_Speed_Data_Ex,Y
! D2 r4 e4 \+ _" l- z - STA Bullet_X_Speed,X$ [$ O' f8 E9 O- d2 d: Y
- RTS
$ w% f: L$ ?( ^' A4 i -
: i/ M" Y1 T3 X, J1 o0 Y9 K# o; R2 P - Track_Enemy_Ex_X_End:" e. Y3 j0 A+ f4 b6 ]
- RTS
& w) k4 C$ H% q, b1 E -
P) L& l3 y; n" V: D3 a - ;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)
+ N1 O0 ?, N o - ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
$ d: x* \. o- q: S - Bullet_Tract_Direction:
1 ]1 b& R& o$ G8 N" c - LDA Bullet_Icon,X
% f) m* q( _" }' S - CMP #$23
* J9 t! T/ j3 p: \2 Y - BCC Bullet_Tract_Direction_End
3 P9 o/ C3 `5 W4 j) J. B4 l! Y) h8 e -
* Q- l1 _9 G. Z+ a F1 A - ; X != 0. @$ F5 o" o( g" A
- LDA Bullet_X_Speed,X9 {' u/ p' i, @" H0 D: J
- BEQ Bullet_Direction_V( u$ O0 k6 P' w* H- g% A) m
- ( c. h$ [" w* h: {
- LDA Bullet_Y_Speed,X! R( N2 T/ n0 |! L& p* t
- BEQ Bullet_Direction_H1 n! f# J5 Z& Q9 c# P
-
3 H6 P0 Q+ e! X - LDA Bullet_X_Speed,X
- `$ g" k+ M# V; l* b - BPL Bullet_Tract_Direction_Right8 Q2 i, V6 y/ I. [! {' x
- Bullet_Tract_Direction_Left:
. r5 t* Q& h$ p$ q0 j' K8 y - LDA Bullet_Y_Speed,X2 q# J g2 M( N$ D, r
- BMI Bullet_Direction_Left_Top3 W, {& {( U. u" w: d# Q3 ]. \
- BPL Bullet_Direction_Left_Down( ]) Q0 M5 x1 C! q0 y8 y/ Y: F
- Bullet_Tract_Direction_Right:
& _% j1 @* Q3 X8 d7 {# R% @ - LDA Bullet_Y_Speed,X: R$ \% Q( X2 Q; u
- BMI Bullet_Direction_Right_Top
! ~* i: F" P9 K! d4 y8 T1 [! @- d3 D4 c/ K - BPL Bullet_Direction_Right_Down
# Y5 d% v0 r$ F" a) y5 o5 C - Bullet_Tract_Direction_End:' P% N X1 x7 z% p2 [) k
- RTS' i. G% Q$ u1 ^' ?" i
- - |$ E0 W, X6 g- F
- Bullet_Direction_Left_Top:
! Q# ?4 d1 ]* v - LDA #$25
, _ H: @4 Q9 i7 | - STA Bullet_Icon,X, H$ T3 s1 O* L! r7 w4 P
- LDA #$C0 f6 ^ x! e6 Q( W5 R: T
- STA Bullet_Direction,X. H8 O: x: X- x/ d3 q" `' M* B
- RTS
. t2 [4 {: {& j9 V
0 i0 x4 c* t$ P4 r" d- Bullet_Direction_Left_Down:" ^/ c# S+ Z8 u* O# r1 R1 h
- LDA #$25
" `% b) s) \6 ]" G - STA Bullet_Icon,X: p% p L3 y4 r2 x6 Q' d
- LDA #$40
o. E% X3 I) P! m% P; E5 y - STA Bullet_Direction,X
- g$ u: c* d) ` - RTS
5 V- v J- X0 H ?1 W
0 X& T$ K( m* `7 O1 Z" R- Bullet_Direction_Right_Top:8 Q# v% s0 W$ ?/ M+ g
- LDA #$254 {" x: N3 s& N; U& X
- STA Bullet_Icon,X
4 I5 b% p" w' x! u7 W6 R - LDA #$80
( Q) G0 b: q6 C. c- f9 B3 N8 a' j' A - STA Bullet_Direction,X
) Z# C+ |/ B6 u - RTS' v2 [; b3 V/ W) u7 r+ U( u9 c
- " P5 Y- b3 F, N% M( [+ b
- Bullet_Direction_Right_Down:# T2 u( w$ o7 v5 ]! o' z; O
- LDA #$25
/ I6 y5 S' u% v0 S - STA Bullet_Icon,X$ o% S7 _7 s0 \
- LDA #$00
% |9 h! }% z# n! V+ ]# m - STA Bullet_Direction,X9 `. }; q( B- w4 O" n
- RTS
5 h1 x/ n% Y2 d9 a/ w3 E6 j9 w! y5 y
3 P, w- j( U+ X( r" w6 I+ {- Bullet_Direction_H:; ?/ U8 [0 Y: l- q- C1 ?
- LDA #$249 ]( w- i0 s G% D) x8 x4 k9 z" r9 b
- STA Bullet_Icon,X
7 f+ o& i& o$ b2 q4 ]) h \ - LDA #$00
1 B2 B9 R* w( r& `; O0 r0 \ - STA Bullet_Direction,X0 C* o: m+ N4 ?5 w3 M
- RTS' Q! s5 h) q6 q$ `; {0 h& r
- + G4 L, c5 B1 @. I( Z5 | p
- Bullet_Direction_V:8 f/ _( ?( S; T; f( f
- LDA #$23
0 D% Z( c( O* D. C" }$ z @ - STA Bullet_Icon,X( q0 d1 [1 r7 T& L& e
- LDA #$00
# g2 ]! w8 D5 Q - STA Bullet_Direction,X
7 q4 Y8 N! d7 W' `( L" n - RTS2 o: K4 ]5 k3 ^4 O
- ; I5 ?9 d7 v' T2 ~! J, X
- Bullet_Speed_Data_Ex:
i1 ^2 u1 B. G/ @7 u - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
8 J" D+ I. i1 o0 k -
8 X- h0 G& b- \ - Bullet_Speed_Data_Ex_R:
. G* w2 `% F I! v# }: L, s7 F - .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$08
1 h, z6 ~ T: ~: T% g4 N8 X. @! L; Q; F -
复制代码
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