interruptmp3.c

外挂硬盘式解码程序

#ifndef _MP3DECODER_DEFINE
 #include "MP3DECODER.c"
#endif

void InterruptMP3(void) interrupt 5
{
	
	EMP3=0;
	if (MPREQ)				//需要数据
	{
		while(MP3STA1&0x10)
		{
			MP3DAT=DiskBuffer[MP3.Point++];
			if (MP3.Point==512)
			{
				if (FAT32ReadFile(MP3.File)) MP3.Point=0;
				else 
				{
					FAT32CloseFile(MP3.File);
					MP3.Playing=0;
					return;
				}
			}
		}
	}
	EMP3=1;
}