|
|
[FC][魂斗罗][J][追踪弹]: p) ]; |7 v" r- f8 z# O8 ~
& R& z; V5 j& f时间:2023.04.30
" x. {7 ^7 }# N) ] y作者:FlameCyclone" T% b" [! Q9 o6 [
内容:
, z5 }/ K+ j% H- j: |. `; o/ @8 z 1. 所有子弹追踪敌人
( q( J/ ~- i9 x4 X' L* `/ L 2. 选择键切换武器; Y' v, f* `3 Y- Y8 ?' N( ?* z! B
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 C8 M. i, {2 a, s6 o) [
2 [5 S4 q7 s0 b1 }/ |& ~flamecyclone.ys168.com; D; ^- X @3 J) l

& z$ m" _1 H, ]# L- Bullet_State = $0438 ;子弹状态 0:不存在 1:存在 2:销毁0 d" E" O& e4 O* `
- Bullet_Type = $0388 ;子弹类型 0: 无 1:普通 2:M 3:F 4:S 5:L& H# L* U0 m( G. T g3 M
- 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)0 H) J' P9 B! P' c# }0 S/ _! [
' B2 D+ h, N! N; p- ;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)
" }/ ^3 b2 _* b9 S7 x* y - Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上
! A) H6 h1 o/ _! t: w7 q) H - ; q6 q& K( B4 V* ?" C2 w
- Track_Enemy_Index = $6000' Z7 z& {1 m/ g1 Z
- Enemy_Index_Begin = $6010" m$ Y2 H/ x0 M/ O' z; l0 @
- Enemy_Index_End = $6011
- ~1 ?& r& t0 i) a
0 a( o6 P* t9 d: n" j* I, Q8 n- Loop_Index_I = $60123 P5 ~. \5 L$ t2 j( m
- Loop_Index_J = $6013
% L- `: U/ g( C2 w& n2 p* M - nEnemyIndex = $60142 Y6 l+ L4 r3 h6 F
- Data_buffer = $6015& i: m6 I% G4 X" g3 K$ @
2 {$ c6 @' `( ~# q3 x- Bullet_Y_Pos = $03B8 ;子弹垂直坐标
) {2 s% N/ X2 `( u - Bullet_X_Pos = $03C8 ;子弹水平坐标
, W0 D1 ?; r* ~% v - Bullet_Y_Speed = $03F8 ;子弹垂直速度
" V7 E2 U% U" I2 ? - Bullet_X_Speed = $0408 ;子弹水平速度
$ u4 Y- ]/ t; |9 z1 i6 W - Bullet_Z_Pos = $0418 ;子弹Z坐标9 a) Y& q# k7 G/ L. [# i
- Bullet_Owner = $0448 ;子弹所有者 0: 1P 2: 2P6 D" N' I9 O( U/ e$ y" b
- # m- L7 z2 s3 a3 p6 t
- 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
: m# J' O; C! Y# s - Enemy_Blood = $0598 ;敌人血量
' z; Y" R% d+ i+ I. N - Enemy_Type_Addr = $0528 ;敌人类型: @( o/ X7 a$ [& j2 O; n9 I4 i
- Enemy_Blood_Addr = $0578 ;敌人血量7 H' S4 }: F, e3 j5 w
- Enemy_Y_Pos = $0324 ;敌人垂直坐标3 C, _) |8 u$ k8 [
- Enemy_X_Pos = $033E ;敌人水平坐标
8 W( O& C, Y" \+ Q* B+ v - Enemy_Y_Speed = $04E8 ;敌人垂直速度; V6 C X( S* J; N
- 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+ [+ {& C+ f9 U+ H* g
1 L4 J7 u* f0 z4 S1 e- Enemy_Index = $83 ;
0 j" k9 p; L2 |* \' |( R4 n - Time_Count = $1A1 `% j$ f2 U+ y. M2 K
- Track_Bullet_Speed = $07 ;分配子弹追踪敌人频率
, _( ~/ \2 T) v9 R - Track_Enemy_Speed = $03 ;子弹变向追踪敌人频率; _5 p3 I+ d% {+ Q" |- S
- 3 ] m: l9 z( h
- + M. N% C( q; |; ~
- .ORG $6100
1 M4 U ^* Z3 @/ W3 r6 b5 \ - Process_Begin:
; a, j0 n$ Z: k5 L9 }. | - JSR Enemy_Check& @4 @" x$ q. B- X5 p- A- p6 h
- JSR Track_Enemy_Check2 \8 B* W2 P# w9 f
- Process_End:; V, \( x0 I6 `1 l7 V8 Q7 H. z
- JMP $E54F
4 u+ B' F3 [0 p( d- ]. U - 5 e6 ]7 g/ \8 x1 H g( p- q$ Z
- Enemy_Check:
o( \$ p) _- k; @ - LDA Time_Count
* ]& L$ c( J t! J9 | D, j6 C - AND #Track_Bullet_Speed
7 p+ `9 v4 _( @* r9 p/ ~ d, ] - CMP #Track_Bullet_Speed; x+ x, B% \) B9 t5 ]& D& ?: ]* v
- BNE Enemy_Check_End
5 {* d. }$ c% t. {8 G# w) l - LDX #$0F% {, w# e8 n9 i0 R# i- r) E
- Enemy_Check_Begin:
2 Y- S8 e- E- y; O& O( Q/ k - LDA Enemy_State,X
* z L7 U6 Q' Q - BEQ Enemy_Check_Continue
% L$ R7 Z! j$ R* m( _ - STX Enemy_Index' ?* v) O1 k9 Z2 q" q
- JSR Find_Begin_Enemy
6 ?" |% M2 E0 z5 J8 e - JSR Find_End_Enemy% _" |& B* F3 O z
- JSR Bullet_Track
! ]! S& l, m0 a* ?8 w) n: j9 s -
9 i/ v' p! h+ g* k# q - LDX Enemy_Index
& P) [; s; S7 e+ `) [ - Enemy_Check_Continue:
, B' X! m$ L2 ~6 } g/ y - DEX7 P# _+ A1 ?* s! @% A; ~4 { w
- BPL Enemy_Check_Begin9 m4 l+ z% o+ V$ @4 N+ w- k
- Enemy_Check_End:
: U. N7 g/ U' m" X E2 j - RTS H% D1 y* r1 V) l" A" Z
- " V+ s" Q+ l* o. \) ]& }" ?
- Track_Enemy_Check: w# z& E6 @* z' h6 Y* {6 b) ?
- LDA Time_Count2 C) Y& a4 `. D' v$ z& F8 E p
- AND #Track_Enemy_Speed% q r& ?/ h v% I2 q4 p \/ e
- CMP #Track_Enemy_Speed
9 @" B* a, z( i1 P" N4 x9 K: U! t - BNE Track_Enemy_Check_End1 G; z E$ c; j2 g( }' d1 v3 d
- LDX #$0F
S! s( Z& m2 Y) a# h - Track_Enemy_Check_Begin:5 S4 Q, W5 W/ X+ o- A7 M
- LDA Enemy_State,X R* @ U0 H) S; i
- BEQ Track_Enemy_Check_Continue/ T. E/ P! f- }1 t
- STX Enemy_Index
+ t. T0 y" v) h' l% [ -
9 ~' H N! l6 E9 v3 Y0 R/ T - LDA $406 m K# d( r$ n( Z
- LSR
. s+ B8 H( O8 s# B2 D, S& y - BCC Track_Enemy_Check_Begin_L1! w* ~7 I# E. |2 }) V ]' `
- ; R+ V5 z6 o5 U: r5 H6 c( G' m
- JSR Track_Enemy_Ex ;2, 4 b: v: C ]2 X. X+ q- f
- LDA #$00
& K; U; z6 R7 i* ]7 g6 g8 ]2 B - BEQ Track_Enemy_Check_Begin_L27 ?/ P' Y' t+ o }. Y m$ I$ `
-
( q) o! M4 L a5 x# B - Track_Enemy_Check_Begin_L1:4 N, w4 k4 F" r9 W
- 3 W( v! H2 h$ c. f1 l+ b/ h
- JSR Track_Enemy, ~) O3 S- y# b |8 [
- ) o' N/ Y0 |6 W% n# l0 C
- Track_Enemy_Check_Begin_L2:
$ V* _6 b( Z8 S4 a. R3 K$ O' m8 c. i - * w8 N: T) p0 @* F, j
- LDX Enemy_Index' B# C: `) a* l- r2 e
- Track_Enemy_Check_Continue:! L6 D8 D" V. \
- DEX
' N) e. g$ {, m - BPL Track_Enemy_Check_Begin
9 {6 a( `, J) G - Track_Enemy_Check_End:# G/ p6 H1 A. P) e+ F
- RTS0 a/ X0 z* ?0 a# _
( R+ |: x4 Q% K6 A5 K, b- $ y6 O, f# C/ B# S n& m
- ;查找第一个敌人1 T) [, [/ ~$ m$ Z8 H. }, t
- Find_Begin_Enemy:& }' p" @% E/ I# V- T
- LDX #$00+ I9 g$ x# C: z: v. a
- Find_Begin_Enemy_Check:
) }: F- X, B. v( c# E% i - LDA Enemy_State,X
4 y/ k; K: ^- p - BEQ Find_Begin_Enemy_Check_Continue
5 v. ~2 P" v1 J3 h - LDA Enemy_Blood,X4 s T- z) L8 C2 x7 r( ~0 F9 V
- BMI Find_Begin_Enemy_Check_Continue4 g& K# F. S8 w
- BNE Find_Begin_Enemy_End2 f, a& v6 k' I" \7 q: s x+ F* u
-
% h ^ U T" O& F8 k$ h - Find_Begin_Enemy_Check_Continue:: X& w1 o) C8 t
- INX
0 b% s" y8 l& _2 q6 b# D6 ] - CPX #$10$ l/ `! Y, G, j$ Z; z5 k
- BCC Find_Begin_Enemy_Check' g/ ^9 f3 G* w4 `) w# i7 l2 n
- Find_Begin_Enemy_End:
' \) z& r4 j9 l8 c, T - STX Enemy_Index_Begin& R/ P* \$ ]+ V+ |1 A! D
- RTS: d+ A2 R& W2 q& p6 S
- , k" {# P) L6 D. o4 _
- ;查找最后一个敌人8 ]' z( E, W- ]2 l& @
- Find_End_Enemy:
2 \! Q! ?( n; g7 K- C* k- Y - LDX #$0F6 n( d# _+ ~ q
- Find_End_Enemy_Check:
9 N; K" F2 K) H6 U4 v! a - LDA Enemy_State,X
D* v) E/ `) y! y' Q% c. Z9 R - BEQ Find_End_Enemy_Check_Continue
+ M9 _# e' b7 x# y0 n( h - LDA Enemy_Blood,X
0 @' W' \0 E+ I; ^8 T - BMI Find_End_Enemy_Check_Continue0 V( L3 E7 d e& E; p
- BNE Find_End_Enemy_End
% S) b' c$ G' }3 z; b - - D. U. R4 \7 v% h( H5 v
- Find_End_Enemy_Check_Continue:
* E# ?& X% V. p$ b - DEX- E; T5 ?$ W0 X
- BPL Find_End_Enemy_Check
6 b/ ~- o( u3 t7 B: T5 j. t# i - Find_End_Enemy_End:
, N! d- K6 X) O7 Y2 u - STX Enemy_Index_End J; i! _! w. K' p* L6 Y' K; G
- RTS
$ L9 D. o. }' [! o, q1 L
$ o# N. a$ u3 c$ `. D0 m4 u- ;子弹追踪1 o6 ^( o; V5 t
- Bullet_Track:
* e# e! n$ ]7 }2 Z3 @ - LDA Enemy_Index_Begin y' V- `3 M1 I3 m1 D5 s9 C" ]
- STA nEnemyIndex ; int nEnemyIndex = nEnemyIndexBegin;
! L8 U1 y5 `5 K4 g - LDX #$00 5 ?& U* J' \/ v( ~$ E
- Bullet_Track_Check: ;for (int i = 0; i < _countof(nBullet); i++)
1 f" e' U# v/ [* k) v* ~! d - LDA Bullet_State,X9 V( @. F8 R$ u$ ~. V
- BEQ Bullet_Track_Check_End ;if (0 == nBullet[i]) continue;
3 y$ x3 x: h" M7 W - STX Loop_Index_I
- i7 o* S/ v! O* } - ' z) |) U R4 S' {
- JSR Bullet_Track_Enemy1 Y0 T8 K, P: V- g% a
- JSR Bullet_Tract_Direction9 Q1 O8 A1 t* T
-
' s& N, p: F; L: N. 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 ~1 R+ x: q J5 h0 q. Z9 e4 K - ;if (nEnemyIndex > nEnemyIndexEnd) nEnemyIndex = nEnemyIndexBegin;
% ]. q8 F# q: U: T/ @& m; w9 k - LDA nEnemyIndex
k' R* Y' C# P$ z - CMP Enemy_Index_End
2 D( r, d0 R# B2 ~, g7 m - BEQ Bullet_Track_Check_Continue/ ?) k3 s E0 o5 N# |0 r- t$ V
- BCC Bullet_Track_Check_Continue
2 l9 [' f6 `6 |# u, Q Z! Q s - LDA Enemy_Index_Begin$ x3 Y9 n! B" S5 T0 ^
- STA nEnemyIndex [( M& j, D; y {" T' b6 |0 D
- ; B1 s: {9 |& C8 j2 B
- Bullet_Track_Check_Continue:+ }$ i" f( p: a+ ~: {
- LDX Loop_Index_I
- w' ?5 _5 \( ^3 [* p - Bullet_Track_Check_End:: \$ X% m J2 t6 S8 ~
- INX8 k, u* R! g' r: M# i
- CPX #$10
) Z: `, E( j J- X' I - BCC Bullet_Track_Check% o8 h2 }: d1 ~: _+ J
- Bullet_Track_End:
1 N/ K4 t X9 K3 _6 P3 K - RTS
/ H7 R0 t- K; g/ D2 W) D. A -
7 v6 ~! e& Z% m) m) y& H. g - ;给敌人分配子弹6 Z8 J; S% E% c- v: ?: B
- Bullet_Track_Enemy:
& L- }$ l7 ]: _# o - LDX nEnemyIndex ; for (int j = nEnemyIndex; j <= nEnemyIndexEnd; j++)
3 U* o2 r+ n- W5 T* s# A7 d6 Q - Bullet_Track_Enemy_Check:
9 ?# ?/ u* C6 B& d4 C - STX Loop_Index_J3 D+ g$ p# F# \2 r0 k6 o
-
; { S' n7 d. n - ;if (0 != nEnemy[j] && -1 == nTrack[i])/ I1 l; Q! R, H8 z- a
- LDA Enemy_State,X
; ^5 y8 x; v7 Y2 a - BEQ Bullet_Track_Enemy_Check_Continue' m: m" B3 k* U7 T5 O5 {
- LDA Enemy_Blood,X: t, |2 ~! M' l5 n8 K8 ]$ r
- BMI Bullet_Track_Enemy_Check_Continue
" R( {1 \! j5 _. P( T -
9 ` W& Y+ E0 U9 V, F Q2 S& N! S - LDX Loop_Index_I
7 u3 y6 C5 F# X7 K% _; M5 _# G - LDA Track_Enemy_Index,X
" \! p- ~: K% [5 {" y - CMP #$FF' X3 D6 a$ L; D [" E8 k) ?
- BEQ Bullet_Track_Enemy_Init' K7 l: a T. u; Q/ U! u h$ m
- ; R, F4 J; {7 \) n4 W; g
- Bullet_Track_Enemy_Init:
+ t$ `: \- [7 D/ ]3 X - LDA Loop_Index_J
5 F$ L7 l" I, G* T8 l - STA Track_Enemy_Index,X ;nTrack[i] = j;" Y x6 [& @/ m0 q8 Z# c7 @0 h9 j
- / g$ c1 _% i1 W* c! k# `: u6 [
- STA nEnemyIndex
, C" n& [" p$ u- J - INC nEnemyIndex ;nEnemyIndex = j + 1;8 Q; q) H( x6 T1 a+ y7 ?( _6 B
- RTS ;break;: A! Z) V; o$ b$ ~6 |& a5 u2 t5 C
- 1 r( i. R2 ~* G% x+ L- x
- Bullet_Track_Enemy_Check_Continue:
, a; H/ a" T, @* i- O2 e - LDX Loop_Index_J1 g u }. e% u' P( T
- INX ;j++$ O/ R6 J( @6 l& s4 `3 B: h y
- CPX Enemy_Index_End
* T. ~$ |$ }$ {& ]" Q2 S - BEQ Bullet_Track_Enemy_Check
, m5 r+ M) K @: _2 i, ? - BCC Bullet_Track_Enemy_Check
3 o$ |( B( U- F' b5 w$ V, @- P - Bullet_Track_Enemy_End:
9 F5 @$ y9 c; k4 `9 {! y0 Z+ \( ] - RTS/ ~- [# o% X7 N1 u$ _) t& t
- 5 G7 O" L# E3 w) O! X0 P. z# v
- Track_Enemy:
! @! P- w8 _5 g" X! n- q - LDX #$0F4 d7 @1 Z- E' ^4 \- Y( E, i- f, B
- Track_Enemy_Begin:% t- D+ Y: w" c4 L7 x3 U7 B
- LDA Bullet_Icon,X
2 P4 v1 ^" W0 K: S0 G - BEQ Track_Enemy_Continue
0 t. l# M; l1 [7 \) | - LDA Bullet_State,X
: T" O( K. Z% d4 e% p% ?* v - CMP #$01
* G+ H/ a6 A5 m( c* J - BNE Track_Enemy_Continue
, _# s, O0 D/ V$ ^' g - 3 s7 j2 ^$ r N" T( f; G& q3 C
- JSR Track_Enemy_Process
# M2 Q. Q2 V c$ L# F; o! S -
, }$ k$ h+ q3 y7 r* p$ t# b - Track_Enemy_Continue:, u X3 C, A3 j, P5 Y7 N
- DEX' I( r9 Z+ r* D
- BPL Track_Enemy_Begin
4 ^+ y- }& t- J8 z - RTS
" q7 J: [7 y4 L, |# E' C+ k - 9 ^7 ]. L C. l. H, g& t( \5 G' l
- ;普通关卡
+ s3 U I3 D2 ]# o, l+ J - Track_Enemy_Process:
2 q8 x% j" ` M( ] - LDA Track_Enemy_Index,X
6 F [2 p/ d0 ~0 L - CMP Enemy_Index
3 l" K3 u% R# ` - BNE Track_Enemy_End
7 ]5 [2 a6 z. N - LDY Enemy_Index; n- t- T0 D( O& Q y
- JSR Track_Enemy_Y
8 R5 b! x" H U' G; w - LDY Enemy_Index" p8 B5 N6 ?* T
- JSR Track_Enemy_X
# A6 s* ?! Y, M* k* d - Track_Enemy_End:
$ B0 B4 R5 _; v7 I$ G8 h: P - RTS
' l% ?0 L; r% v* t/ _- s -
* S% J5 \1 P" a- j7 k& z2 q - Track_Enemy_Y:* Q; r# J* s. X5 Y+ y6 E
- SEC
# D( B& s: r l - LDA Bullet_Y_Pos,X
4 J9 Q/ U; T* Z9 c* G, V9 T - SBC Enemy_Y_Pos,Y
: X5 ]5 f- |' S. H8 v+ u% @ - BEQ Track_Enemy_Y_Equal2 c0 l: H; i; e1 r; ]* g$ c ?
- BCS Track_Enemy_Y_Greater0 K8 a! p4 S1 N; z( |
-
% V- s5 \( F6 M# u. m - Track_Enemy_Y_Less: ;子弹Y < 敌人Y# s& g/ g i9 z0 M: @4 u
- CMP #$FC
; f0 }; F! S ^0 F+ r - BCC L1_1$ B* d. O( h5 A4 Q1 k, m
- CMP #$FE# j) T \5 \8 \" c4 Z! |$ _
- BCC L1_22 ?, e& r. _ `" q: t
- LDA #$00( H# c+ B) O6 b9 x& F9 Y3 u
- STA Bullet_Y_Speed,X& F% L8 q! P, u/ E- i# l; N
- RTS6 i% h6 a7 Q. }6 U# p8 }0 w/ L
- L1_1: - K- \/ [! n( }2 D/ F
- LDA Bullet_Type,X( M% S4 z+ h( B3 h2 H
- AND #$0F
" E# `, |" ~& h/ p0 n) s# ?; b" ^! z - TAY) v% ^! ?( H# {' W) y: B
- LDA Bullet_Speed_Data,Y' E& N1 @* p3 K, R: |7 m, Z
- STA Bullet_Y_Speed,X
3 v9 @, |! M' G1 o1 W2 |7 y7 D9 h - RTS% w1 u, i H5 H9 L+ @
- : U% w8 t+ w/ Y* ~$ n
- L1_2: - I- W8 y. R+ y/ @$ |" w2 l
- STA Data_buffer
3 h' o2 o: D; O$ |/ }* z - LDA #$00
0 @: Y" x* w# J" r' l' z1 F7 ?* f* F. [ - STA Data_buffer
& m$ g( N' @" D" I K - LSR
; _" \$ e0 J! k' v8 r* I+ N* O3 J1 J, H - STA Bullet_Y_Speed,X
: ?9 n' l! K3 h E - RTS
{' `+ U4 a% p( Q! a
9 [3 U( R* |" y8 W- Track_Enemy_Y_Greater: ;子弹Y > 敌人Y
* | J" {! r4 n/ a# A- `% E - CMP #$04
* q7 Y# F! t. F# p$ m9 F7 O - BCS L2_1
' z6 J( B t, S9 C2 E - CMP #$04
" b7 h9 a9 S u" G# Z - BCS L2_2) D( G1 v" q! ]
- LDA #$00, d# Y2 |/ d# |
- STA Bullet_Y_Speed,X
) v" J& q/ s& Q2 w1 p, p3 c - RTS( v+ h$ Q2 F- K0 i% k
-
& c& q7 Z2 u+ B' h7 o - L2_1:
( |& `. O. d! |0 M( K+ @0 ` - LDA Bullet_Type,X
" B4 `% J9 G1 x; l9 V h. ` - AND #$0F
3 i% n5 I- G0 u! S, Z" M+ F% }% e! I - TAY
- L+ X# Q) c0 }/ Z x! t - LDA #$002 Z% }% K1 e5 x* {
- SBC Bullet_Speed_Data,Y
0 o. w' R- `* G4 U5 H! o! Y- u - STA Bullet_Y_Speed,X6 a/ z- y: c% X; H$ `: [
- RTS* H# R1 z- ?0 i3 H7 i e1 r3 ]# }
- $ s) H4 T% Q5 O, h- s
- L2_2:
$ j) n, E7 ~0 b; M% J - LSR1 U1 G5 |- t2 d8 l* n
- STA Data_buffer7 p# W6 R, ~ U! N) t3 K' B% S) c
- LDA #$006 r% ~8 a7 A# `5 X/ f
- SBC Data_buffer! e; e! a8 K8 w: _
- STA Bullet_Y_Speed,X! U. F4 R1 P0 v4 w* t1 z
- RTS7 z0 j: Q' L X
- 2 ~7 E" \8 B6 c3 ?; w
- Track_Enemy_Y_Equal: ;子弹Y == 敌人Y, C' M* i; [# \4 q) P; \
- LDA #$00
, h4 p( n1 F7 F: ~+ _4 r/ d - STA Bullet_Y_Speed,X# Z% I7 ]9 |. d4 S M: ]" u U
- RTS8 \% m- z) f* o, @" l: e" ~
- [0 q! b/ m1 x& H9 q$ j" w
- Track_Enemy_X:
, y1 Q+ E5 p# e/ e) _/ K# K3 X - SEC
5 K/ [7 ^6 T9 h% e: N - LDA Bullet_X_Pos,X
0 A u1 \6 U. S - SBC Enemy_X_Pos,Y% @( J1 s! Z9 ~2 @- k+ s1 h
- BEQ Track_Enemy_X_Equal ;子弹X == 敌人X7 I) ~3 M- p6 d. @, A7 J) a6 h
- BCS Track_Enemy_X_Greater ;子弹在敌人下方
$ {# ? }" P6 v Y - 5 y) u, t2 Q6 X2 Q
- Track_Enemy_X_Less: ;子弹X < 敌人X: i) N3 ]: w% t# W# E
- CMP #$FC
& q& O. A( a. h b - BCC L3_1
$ D. R! ]4 V3 z - CMP #$FE; X z9 G+ p7 h7 @2 K4 J& B$ T
- BCC L3_2
7 F0 v. V1 i0 I. x# t8 F8 H/ Y2 | - LDA #$00
; S8 C7 a- L+ C) u - STA Bullet_X_Speed,X
' I& O5 L0 e4 j" E; k9 b - RTS
. P g/ d* q7 L - L3_1:
" z+ E+ Y; {% |3 i+ _ - LDA Bullet_Type,X) i2 u9 c) Z4 x3 ^, Y
- AND #$0F# _# ?, H/ ?. ?6 J" {% o) z S
- TAY7 B* U' T4 e3 @. _1 }7 k
- LDA Bullet_Speed_Data,Y
- j% w2 u0 t5 T/ x8 z9 a0 U7 x) m$ H - STA Bullet_X_Speed,X0 A) ^% o$ R* [' A+ R( x* ?1 T
- RTS
* T: m3 r' ?! | - L3_2: ' m' y; Z; _+ Z: g* E. h
- STA Data_buffer& q+ I% t3 T2 } J" h% I
- LDA #$005 T* Q# X: r6 p. m
- STA Data_buffer
5 d+ }1 A$ [' E' n3 e9 l2 H7 J - LSR
8 [6 j# n: }0 N/ n" J$ v - STA Bullet_X_Speed,X% F0 p. q& |2 F/ C- e- o
- RTS
' z) P% i% M, `( A; s; X9 @) o - 0 H$ a( B2 ^; U+ {5 V. [ s
- Track_Enemy_X_Greater: ;子弹X > 敌人X/ L: V, c! A% B7 u
- CMP #$04
2 j6 H+ Y2 u4 M/ O+ q8 O - BCS L4_1
z b& ~7 e i0 b+ u - CMP #$029 t: s/ X. _9 ~( M/ H5 ^
- BCS L4_2 b. \$ k' \0 m: s' _- P
- LDA #$00
2 v& W. P4 [5 @& @ - STA Bullet_X_Speed,X
/ c) |8 A. M- `, Y - RTS
% z, J. e1 C" k9 n# F6 V - / g2 j2 f# d: I, a+ } {
- L4_1: * E3 Z! b F& K' Y& s1 H
- LDA Bullet_Type,X; a. ] H& Q- c( p' p5 s2 `
- AND #$0F7 U% Y0 U @0 b `+ ?' M9 \' g
- TAY
1 |. `0 y; v1 `. a4 Q- Q - LDA #$007 _ B: s" }2 P3 t2 }
- SBC Bullet_Speed_Data,Y
' N4 Y) g3 J: x; u5 Q9 ? - STA Bullet_X_Speed,X
3 h$ C/ X' X8 m - RTS; P$ L. K/ b% C" `6 Z
- L4_2: % v4 c- P5 n8 i9 C1 s1 W3 R1 T
- LSR
3 N& H9 o- E0 \) h - STA Data_buffer
2 |; j* m) B0 e2 i5 { e$ E! C - LDA #$00/ W9 s% E. X3 A' W. J# o( y
- SBC Data_buffer
. ]( D! c# x& A1 R" c2 w. E3 s - STA Bullet_X_Speed,X3 O" j4 o; h4 y$ G* w# F: H
- RTS7 K3 G: l$ S6 L+ g
- . T! z8 Q, A, ^' Z& J0 I6 B6 a$ ^
- Track_Enemy_X_Equal: ;子弹X == 敌人X' u4 B& u; y9 r3 z
- LDA #$00
# E1 u& d1 q5 T - STA Bullet_X_Speed,X
. `# Z6 b/ _) [! k6 j - RTS
- a8 n" L. X8 r0 R. P) } - " H4 x: l% L4 h% G( |$ c" i
- Bullet_Speed_Data:
, i2 H, ~, F. M2 ?6 ?& ` - .DB $00,$03,$03,$02,$03,$03
1 w+ ^. H* a& R$ J% Q - * s) U# _( q/ ]6 E
- ;2, 4关: T/ F0 Y1 e! l8 j, C, _; h
- Track_Enemy_Ex:5 b: h' y5 R9 R3 O' e% g
- LDX #$0F
- {" V- `3 u5 Q - Track_Enemy_Ex_Begin:
% a! }0 T) ^& i+ d% N# e& ? - 5 d3 I1 v' e; d* C$ H4 n
- LDA Bullet_State,X
+ @( Y$ E0 w; L$ e - CMP #$01
|" n8 a0 |- P: B9 b# ~, i8 r - BNE Track_Enemy_Ex_Continue
0 q' _( W- x. b7 ]# t9 E9 ?7 s* L2 q -
6 Z1 W5 h6 h! H* R1 s/ Z - LDA Track_Enemy_Index,X
" a) v: P4 y. u1 Y - CMP Enemy_Index7 B& S" j( k( e0 Z+ r8 z$ S. M, H
- BNE Track_Enemy_Ex_Continue ;匹配追踪目标/ p' a7 h) o$ C, |2 `
- 9 g$ S1 G9 b2 ?0 Y9 S. E& I
- LDY Enemy_Index% m3 U: R, z" J
- JSR Track_Enemy_Ex_X
6 _' d3 O( |: o - ( H2 v% |7 {9 s
- Track_Enemy_Ex_Continue:
2 ?0 D# B3 m5 N - DEX
2 R7 E. ]0 S# ^0 c9 l' e - BPL Track_Enemy_Ex_Begin' k; B" o! A$ p- X1 ~" ?3 d5 ~+ s
- Track_Enemy_Ex_End:! T) t4 {. V1 N0 i1 O; w- D
- RTS
- K9 V" W0 I% _$ U - + O) c3 R5 H3 |1 \& ^
- Track_Enemy_Ex_X:3 W* x0 i7 l7 M' L* j, A b
- ;LDA Bullet_Z_Pos,X _) T0 ?2 {8 W0 f- e
- ;CMP #$046 V ~& K) K# Z& U
- ;BCC Track_Enemy_Ex_X_End& `. j; T) k9 c# V* X D3 t Z
- SEC) g8 U2 I9 o& ~: @ z
- LDA Bullet_X_Pos,X ^; h1 W5 V& B Y5 |2 E# R3 h
- SBC Enemy_X_Pos,Y& Z8 L2 Y4 T! a2 V! h
- BCS Track_Enemy_Ex_X_Greater
# `- K) Q H0 \: b# y -
" y+ k) Q5 O7 H/ u/ a - Track_Enemy_Ex_X_Less: ;子弹X < 敌人X0 a* B8 d4 R. N
- CMP #$FD4 ^/ T4 E: K+ Z o
- BCS Track_Enemy_Ex_X_Less_End# ^; {$ @0 f/ W( G6 a
- LDA $6020,X1 D: K" s L8 l% J% _
- CMP #$2A1 l) M2 d% Y5 J
- BEQ Track_Enemy_Ex_X_Less_L1/ A/ o0 |0 }3 _# y9 n4 V" e
- LDA Bullet_Z_Pos,X. @% ]! G1 ^5 A* s) R# @% [
- LSR6 Z! ?5 B- L% k/ _* m% t4 ?$ w/ B
- TAY
: ?9 z2 D2 Y% m$ G' }! T+ T; d - LDA Bullet_Speed_Data_Ex_R,Y
( `! W7 B$ y7 d# Z3 e - STA Bullet_X_Speed,X
7 t$ T4 |3 ?3 C5 C - RTS
6 N! D2 y% F" V0 U7 O! z - Track_Enemy_Ex_X_Less_L1:5 M$ P5 ~! m* P7 o0 g' H
1 B& t; p+ ~) }, m( R1 ]+ P! L- C- LDA Bullet_Z_Pos,X" W4 F& ^! \5 T' p* n" H, s
- LSR
3 `0 Y* s, b3 t1 u6 _ t - LSR+ ~8 `: I" s; J& g& G
- TAY& K; d& j1 P. L ? r U
- LDA Bullet_Speed_Data_Ex,Y: p0 q! u* I. r+ l7 R! r
- STA Bullet_X_Speed,X
$ l0 h9 `( u& F) m+ d - RTS
( a& m% D- |6 F( |* \6 I -
* W) B8 R$ P8 m$ M( d& P: | - Track_Enemy_Ex_X_Less_End:
3 `0 x# }, L* u0 m. @ - RTS0 M) e2 k! N, {# k
- 4 L, O7 g) ^1 [ l
- Track_Enemy_Ex_X_Greater: ;子弹X > 敌人X+ G( c/ q V7 W) e1 k9 E s
- CMP #$03. ^- |& B% J( I \/ J9 a
- BCC Track_Enemy_Ex_X_End
+ g% o9 }/ X: f0 A2 D0 x1 r% T - LDA $6020,X
$ t! D" N5 b: ~: u - CMP #$2A7 Q: ?1 l" a9 S( j) i% X! s* ?0 D
- BEQ Track_Enemy_Ex_X_Greater_L1
# e. n5 w Z, v6 C1 u. K - LDA Bullet_Z_Pos,X
, s7 }) w$ s9 i5 |. {: ` - LSR
9 {7 D( p, O' { - TAY
/ c: c& u2 U& q! R( q! J, @ - LDA #$005 _- a3 a# k6 }3 z, ~/ f
- SEC) W% j2 S8 ^- [/ r. i0 ~
- SBC Bullet_Speed_Data_Ex_R,Y3 T2 ]( O# y% [- M4 G
- STA Bullet_X_Speed,X$ g; y% |* K' o( A8 r
- RTS
5 n! j1 c( W D" S! U - ) U: I" H4 t' u
- Track_Enemy_Ex_X_Greater_L1' } e8 v9 e2 e( {. n
- LDA Bullet_Z_Pos,X$ z9 R) r \& @
- LSR J! v( l; ` h# e P$ D+ ~( O
- LSR
7 b" ?! M" {" S/ n* C - TAY
1 k: |7 _& y# f+ K2 o' x, S& h - LDA #$006 L! Q5 N8 S5 M2 O" Z! D" x
- SEC; Y0 \: D! K9 @1 I9 L
- SBC Bullet_Speed_Data_Ex,Y
A" a& w7 S! N8 |* F" O - STA Bullet_X_Speed,X$ G0 k4 _9 F6 Z: ^4 N
- RTS! \9 ], w7 |3 Q: ]4 ~9 s. v6 I
-
- S' V2 G) N7 K3 ~8 \5 D - Track_Enemy_Ex_X_End:: g. l. l" w/ P/ q( c6 d+ V
- RTS
7 i- Y4 U4 b: J7 Z0 E& ~ s -
4 Z; K" h* O L: O% m- p' i - ;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)% d I3 Y) Q3 K) B) X/ v+ N
- ;Bullet_Direction = $0378 ;L子弹方向 40左下 C0左上 80右上3 |: l) W, \1 V8 c
- Bullet_Tract_Direction:/ f" _/ n1 ^3 Y4 O; v
- LDA Bullet_Icon,X: [% N4 m2 h! l5 C
- CMP #$23
8 h. k: h) {- M x; b - BCC Bullet_Tract_Direction_End
6 j) f0 Z# Q/ @5 {$ z$ ~ -
% a9 @9 ~# ~ V: ]4 L0 K - ; X != 0: [( W& k: n3 G- X% o
- LDA Bullet_X_Speed,X8 ?, W" e# M* g5 V* w
- BEQ Bullet_Direction_V7 N' u* W* w6 s& N; m2 [
- 8 x% [/ n! \0 d0 K1 u8 c! i4 B
- LDA Bullet_Y_Speed,X% u; b! N- }4 G2 i' p) t1 A5 i
- BEQ Bullet_Direction_H! J! T/ n0 X2 q2 l2 T# E
-
7 s" G1 Z& Y" s" s( E - LDA Bullet_X_Speed,X% R# Y0 S# N2 Q A4 e b9 W
- BPL Bullet_Tract_Direction_Right
, l8 W0 z4 j. i' j. c - Bullet_Tract_Direction_Left:4 O, B6 D5 @' t- K G) _# A$ g
- LDA Bullet_Y_Speed,X
( \! R m1 d; G% o5 y- p+ ~/ q6 E" V3 F - BMI Bullet_Direction_Left_Top
, `) B1 N- J& v& r: j - BPL Bullet_Direction_Left_Down
# j- q3 S: N$ q& R" b - Bullet_Tract_Direction_Right:% ~* M) u0 D C) m, `! W# J5 l9 T7 v
- LDA Bullet_Y_Speed,X# Y8 N6 }5 |9 X- k: u$ f( |" U2 t
- BMI Bullet_Direction_Right_Top9 h) ?1 Y/ v6 R5 v# f d( a
- BPL Bullet_Direction_Right_Down/ d9 c- g" X& ^
- Bullet_Tract_Direction_End:' [$ I4 s, H+ l4 \3 f
- RTS2 `! A6 ~: D: z0 x9 b% x( l
+ j: }& m; B7 |5 p+ D2 a% {- Bullet_Direction_Left_Top:
+ W: H: n4 d& Q - LDA #$25. s5 ?1 B+ t4 S9 ?2 \8 K4 C% z
- STA Bullet_Icon,X& q. P6 }; Y1 K( N K# u6 r
- LDA #$C0, N9 P2 Y- W& ?( F3 ]4 C# U
- STA Bullet_Direction,X
$ s$ m* [8 P+ [/ ?" n# o - RTS# r+ Y e5 d# D7 I/ U* s
( C7 W& `, k2 l- J, a- Bullet_Direction_Left_Down:
% Z9 i" K/ I& ~, {( x; L( | - LDA #$25
& q: y$ k0 T" Y F - STA Bullet_Icon,X/ D% Z) I8 l& }# H# K& d
- LDA #$400 A5 `7 ]0 p' k2 q
- STA Bullet_Direction,X& @+ N8 A9 e3 r& N
- RTS
- A5 b) Z$ C d) [ - 5 e6 ?9 t: s$ i: z- u/ f: s" l6 L/ |
- Bullet_Direction_Right_Top:
; [ k' w% a y* D% b0 u7 E+ c0 R: p - LDA #$25( l; g3 ]9 M2 J" m$ R
- STA Bullet_Icon,X5 w. R' |8 u9 s4 N- ~/ @# ?6 b
- LDA #$80
* F9 I/ W' U& @ - STA Bullet_Direction,X
6 b3 z8 i" h& A' } - RTS, A$ v1 C3 o( L$ D
8 K! }( V# u2 X. f& c( u- Bullet_Direction_Right_Down:/ B5 s9 @/ U. U% a0 X+ v
- LDA #$25* P$ _+ ~' m/ V, H. k) A% @5 z+ l
- STA Bullet_Icon,X
& S0 w. D2 b: B( |4 v& w) v7 h - LDA #$009 Z( M2 G: u2 ]6 a1 G$ w
- STA Bullet_Direction,X
( z8 b- l9 |4 {& B, V" I, s - RTS
$ i# l# W9 X( P# ^2 F5 i
1 u+ ?' m& l. c% R. G5 A* d- Bullet_Direction_H:6 H5 P: ~: q0 u
- LDA #$245 ^" x( m p# w* ]' S2 ]3 n
- STA Bullet_Icon,X2 R" ]' E- M2 Z: }& B
- LDA #$00
8 R- L8 H6 X% l% L1 Z - STA Bullet_Direction,X
) J0 H( Z& _7 ]8 h - RTS; E# j' U7 L$ z
9 ~0 Q5 m6 l& N9 g- Bullet_Direction_V:
9 z5 s$ M1 a) ?" j7 D5 w& o! ~1 B$ F - LDA #$23
8 W6 i$ [/ K# M# d9 c( d - STA Bullet_Icon,X+ L. e5 m* T" T0 a6 a
- LDA #$00
$ `8 f* X/ n" W - STA Bullet_Direction,X
1 L7 M: h8 O0 v4 w% V$ t% L - RTS8 D+ n1 k# X6 s$ ~+ `- ?; e
7 k1 h4 U" w/ b# L- Bullet_Speed_Data_Ex:
$ `( Z, q& A3 O' L - .DB $01,$01,$02,$02,$02,$03,$03,$04,$04,$04
8 K0 @) |: e3 G/ R+ [1 S( o4 e -
3 T: q1 l- g' K0 ?$ V2 m - Bullet_Speed_Data_Ex_R:+ F+ \. i- d+ D, | i. g5 [% o3 g6 A
- .DB $02,$02,$03,$03,$04,$05,$06,$07,$08,$082 ]- w+ A( D+ f- x5 J k
-
复制代码 & p, Z( l7 W% j1 l4 c. d% z
/ @& O. V7 q+ i h4 ~( S, p
|
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有账号?立即注册
x
|