14 lines
437 B
C
14 lines
437 B
C
/*
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* Intel 8237 DMA Controller
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*
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* $Id: i8237reg.h,v 1.3 1994/03/01 18:18:07 mycroft Exp $
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*/
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#define DMA37MD_SINGLE 0x40 /* single pass mode */
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#define DMA37MD_CASCADE 0xc0 /* cascade mode */
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#define DMA37MD_WRITE 0x04 /* read the device, write memory operation */
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#define DMA37MD_READ 0x08 /* write the device, read memory operation */
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#define DMA37SM_CLEAR 0x00 /* clear mask bit */
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#define DMA37SM_SET 0x04 /* set mask bit */
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