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i8237reg.h revision 1.2 
      1  1.1  cgd /*
      2  1.1  cgd  * Intel 8237 DMA Controller
      3  1.2  cgd  *
      4  1.2  cgd  *	$Id: i8237reg.h,v 1.2 1993/05/22 08:01:56 cgd Exp $
      5  1.1  cgd  */
      6  1.1  cgd 
      7  1.1  cgd #define	DMA37MD_SINGLE	0x40	/* single pass mode */
      8  1.1  cgd #define	DMA37MD_CASCADE	0xc0	/* cascade mode */
      9  1.1  cgd #define	DMA37MD_WRITE	0x04	/* read the device, write memory operation */
     10  1.1  cgd #define	DMA37MD_READ	0x08	/* write the device, read memory operation */
     11  1.1  cgd 
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