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126
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1 #pragma once
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2
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3 #include <stdint.h>
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4 #include <stdbool.h>
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5 #include "pmplay.h"
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6
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7 enum
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8 {
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9 Status_SetVol = 1,
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10 Status_SetPan = 2,
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11 Status_SetFrq = 4,
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12 Status_StartTone = 8,
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13 Status_StopTone = 16,
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14 Status_QuickVol = 32,
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15
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16 SType_Fwd = 1,
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17 SType_Rev = 2,
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18 SType_RevDir = 4,
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19 SType_Off = 8,
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20 SType_16 = 16,
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21 SType_Fadeout = 32
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22 };
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23
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24 typedef struct
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25 {
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26 const void *SBase, *SRevBase;
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27 uint8_t SType, SPan, SVol;
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28 int32_t SLVol1, SRVol1, SLVol2, SRVol2, SLVolIP, SRVolIP, SVolIPLen;
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29 int32_t SLen, SRepS, SRepL, SPos, SMixType;
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30 uint32_t SPosDec, SFrq;
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31 } CIType;
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32
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33 typedef struct
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34 {
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35 const void *SBase;
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36 uint8_t Status, SType;
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37 int16_t SVol, SPan;
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38 int32_t SFrq, SLen, SRepS, SRepL, SStartPos;
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39 } WaveChannelInfoType;
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40
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41 extern int16_t chnReloc[32];
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42 extern int32_t *CDA_MixBuffer;
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43 extern CIType CI[32 * 2];
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44
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45 void P_SetSpeed(uint16_t bpm);
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46 void P_StartTone(sampleTyp *s, int32_t smpStartPos);
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47
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48 // 8bb: added these two
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49 bool mix_Init(int32_t audioBufferSize);
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50 void mix_Free(void);
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51 // -------------------
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52
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53 void mix_ClearChannels(void);
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54 void mix_UpdateBuffer(int16_t *buffer, int32_t numSamples);
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55
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56 bool dump_Init(int32_t frq, int32_t amp, int16_t songPos);
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57 void dump_Close(void);
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58 bool dump_EndOfTune(int32_t endSongPos);
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59 int32_t dump_GetFrame(int16_t *p);
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