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1 | /* FCE Ultra - NES/Famicom Emulator |
2 | * |
3 | * Copyright notice for this file: |
4 | * Copyright (C) 2002 Ben Parnell |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify |
7 | * it under the terms of the GNU General Public License as published by |
8 | * the Free Software Foundation; either version 2 of the License, or |
9 | * (at your option) any later version. |
10 | * |
11 | * This program is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU General Public License for more details. |
15 | * |
16 | * You should have received a copy of the GNU General Public License |
17 | * along with this program; if not, write to the Free Software |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
19 | */ |
20 | |
21 | #define OVERSAMPLESHIFT 4 |
22 | #define OVERSAMPLE *16 |
23 | #define SND_BUFSIZE 256 |
24 | |
25 | |
26 | typedef struct { |
27 | void (*Fill)(int Count); |
28 | void (*RChange)(void); |
29 | void (*Kill)(void); |
30 | } EXPSOUND; |
31 | |
32 | extern EXPSOUND GameExpSound; |
33 | |
34 | extern int64 nesincsizeLL; |
35 | extern uint8 PSG[]; |
36 | extern uint32 PSG_base; |
37 | extern int32 PCMIRQCount; |
38 | |
39 | void SetSoundVariables(void); |
40 | void PowerSound(void); |
41 | void ResetSound(void); |
42 | extern uint8 decvolume[]; |
43 | |
44 | extern int vdis; |
45 | extern uint8 sqnon; |
46 | extern uint16 nreg; |
47 | |
48 | extern uint8 trimode; |
49 | extern uint8 tricoop; |
50 | extern uint8 PCMBitIndex; |
51 | extern uint32 PCMAddressIndex; |
52 | extern int32 PCMSizeIndex; |
53 | extern uint8 PCMBuffer; |
54 | |
55 | extern uint8 sweepon[2]; |
56 | extern int32 curfreq[2]; |
57 | |
58 | extern uint8 SweepCount[2]; |
59 | extern uint8 DecCountTo1[3]; |
60 | |
61 | extern uint8 fcnt; |
62 | extern int32 fhcnt; |
63 | extern int32 fhinc; |
64 | |
65 | void GetSoundBuffer(int32 **W); |
66 | int FlushEmulateSound(void); |
67 | extern uint32 Wave[2048]; |
68 | extern int32 WaveFinal[2048]; |
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69 | extern int16 WaveFinalMono[2048]; |
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70 | extern uint32 soundtsinc; |
71 | |
72 | void SetNESSoundMap(void); |
73 | void FrameSoundUpdate(void); |
74 | void FixOldSaveStateSFreq(void); |