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675B

Category: memory management

INT 67 - LIM EMS 4.0 - ALTERNATE MAP REGISTER SET - DMA REGISTERS

	AH = 5Bh
	AL = subfunction
	    05h allocate DMA register set
		Return: BL = DMA register set number, 00h if not supported
	    06h enable DMA on alternate map register set
	       BL = DMA register set number
	       DL = DMA channel number
	    07h disable DMA on alternate map register set
	       BL = DMA register set number
	    08h deallocate DMA register set
	       BL = DMA register set number
Return: AH = status (00h,80h,81h,84h,8Fh,9Ah-9Fh,A3h,A4h) (see #03656)
Note:	this function is for use by operating systems only, and can be
	  enabled or disabled at any time by the operating system

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  Copyright 2000   by Ralf Brown     Updated Jul 2000