1 files changed, 74 insertions, 0 deletions
diff --git a/vgm.h b/vgm.h
new file mode 100644
index 0000000..b6ca836
--- /dev/null
+++ b/vgm.h
@@ -0,0 +1,74 @@
+#ifndef VGM_H_
+#define VGM_H_
+
+#pragma pack(push, 1)
+typedef struct {
+	char     ident[4];
+	uint32_t eof_offset;
+	uint32_t version;
+	uint32_t sn76489_clk;
+	uint32_t ym2413_clk;
+	uint32_t gd3_offset;
+	uint32_t num_samples;
+	uint32_t loop_offset;
+	uint32_t loop_samples;
+	uint32_t rate;
+	uint16_t sn76489_fb;
+	uint8_t  sn76489_shift;
+	uint8_t  sn76489_flags;
+	uint32_t ym2612_clk;
+	uint32_t ym2151_clk;
+	uint32_t data_offset;
+	uint32_t sega_pcm_clk;
+	uint32_t sega_pcm_reg;
+} vgm_header;
+
+enum {
+	CMD_PSG_STEREO = 0x4F,
+	CMD_PSG,
+	CMD_YM2413,
+	CMD_YM2612_0,
+	CMD_YM2612_1,
+	CMD_YM2151,
+	CMD_YM2203,
+	CMD_YM2608_0,
+	CMD_YM2608_1,
+	CMD_YM2610_0,
+	CMD_YM2610_1,
+	CMD_YM3812,
+	CMD_YM3526,
+	CMD_Y8950,
+	CMD_YMZ280B,
+	CMD_YMF262_0,
+	CMD_YMF262_1,
+	CMD_WAIT = 0x61,
+	CMD_WAIT_60,
+	CMD_WAIT_50,
+	CMD_END = 0x66,
+	CMD_DATA,
+	CMD_PCM_WRITE,
+	CMD_WAIT_SHORT = 0x70,
+	CMD_YM2612_DAC = 0x80,
+	CMD_DAC_STREAM_SETUP = 0x90,
+	CMD_DAC_STREAM_DATA,
+	CMD_DAC_STREAM_FREQ,
+	CMD_DAC_STREAM_START,
+	CMD_DAC_STREAM_STOP,
+	CMD_DAC_STREAM_STARTFAST,
+	CMD_DATA_SEEK = 0xE0
+};
+
+enum {
+	DATA_YM2612_PCM = 0
+};
+
+#pragma pack(pop)
+
+typedef struct {
+	struct data_block *next;
+	uint8_t           *data;
+	uint32_t          size;
+	uint8_t           type;
+} data_block;
+
+#endif //VGM_H_