53 lines
1,021 B
C
53 lines
1,021 B
C
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#ifndef __Y8950ADPCM_HH__
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#define __Y8950ADPCM_HH__
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#include "blargg_common.h"
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#include "blargg_source.h"
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#include "msxtypes.h"
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typedef unsigned short word;
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typedef unsigned __int64 uint64;
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struct Y8950;
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struct Y8950Adpcm
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{
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struct Y8950* y8950;
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int sampleRate;
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int clockRate;
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int ramSize;
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int startAddr;
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int stopAddr;
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int playAddr;
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int addrMask;
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int memPntr;
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bool romBank;
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byte* ramBank;
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bool playing;
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int volume;
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word delta;
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unsigned int nowStep, step;
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int out, output;
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int diff;
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int nextLeveling;
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int sampleStep;
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int volumeWStep;
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byte reg7;
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byte reg15;
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};
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void ADPCM_init(struct Y8950Adpcm* this_, struct Y8950* y8950, byte* ramBank, int sampleRam);
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void ADPCM_reset(struct Y8950Adpcm* this_);
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void ADPCM_setSampleRate(struct Y8950Adpcm* this_, int sr, int clk);
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bool ADPCM_muted(struct Y8950Adpcm* this_);
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void ADPCM_writeReg(struct Y8950Adpcm* this_, byte rg, byte data);
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byte ADPCM_readReg(struct Y8950Adpcm* this_, byte rg);
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int ADPCM_calcSample(struct Y8950Adpcm* this_);
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#endif
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