[<<Previous Entry]
[^^Up^^]
[Next Entry>>]
[Menu]
[About The Guide]
Int 67 Fn 5B - LIM EMS 4.0 - Alternate Map Register Set - Dma Registers [m]
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 AH=5Ah)
Note: this function is for use by operating systems only, and can be
enabled or disabled at any time by the operating system
This page created by ng2html v1.05, the Norton guide to HTML conversion utility.
Written by Dave Pearson