1 files changed, 52 insertions, 0 deletions

diff --git a/lib/rbcodec/codecs/libgme/emuadpcm.h b/lib/rbcodec/codecs/libgme/emuadpcm.h
new file mode 100644
index 0000000000..0fc39a1709
--- /dev/null
+++ b/lib/rbcodec/codecs/libgme/emuadpcm.h
@@ -0,0 +1,52 @@
+#ifndef __Y8950ADPCM_HH__
+#define __Y8950ADPCM_HH__
+
+#include "blargg_common.h"
+#include "blargg_source.h"
+#include "msxtypes.h"
+
+typedef unsigned short word;
+typedef unsigned __int64 uint64;
+struct Y8950;
+
+struct Y8950Adpcm
+{
+        struct Y8950* y8950;
+
+        int sampleRate;
+        int clockRate;
+        
+        int ramSize;
+        int startAddr;
+        int stopAddr;
+        int playAddr;
+        int addrMask;
+        int memPntr;
+        bool romBank;
+        byte* ramBank;
+
+        bool playing;
+        int volume;
+        word delta;
+        unsigned int nowStep, step;
+        int out, output;
+        int diff;
+        int nextLeveling;
+        int sampleStep;
+        int volumeWStep;
+
+        byte reg7;
+        byte reg15;
+};
+
+
+void ADPCM_init(struct Y8950Adpcm* this_, struct Y8950* y8950, byte* ramBank, int sampleRam);
+void ADPCM_reset(struct Y8950Adpcm* this_);
+void ADPCM_setSampleRate(struct Y8950Adpcm* this_, int sr, int clk);
+bool ADPCM_muted(struct Y8950Adpcm* this_);
+void ADPCM_writeReg(struct Y8950Adpcm* this_, byte rg, byte data);
+byte ADPCM_readReg(struct Y8950Adpcm* this_, byte rg);
+int ADPCM_calcSample(struct Y8950Adpcm* this_);
+
+
+#endif