[comp.sys.ibm.pc] DMA programming

eezhao@cybaswan.UUCP (gf.zhao) (05/25/90)

I am trying to program a 386-25 PC.I wish to control the DMA directlyyy
in the MS-DOS environment. I need to do this for I have added a AT 
board and I want to write a driver for the board. I want to know if there
is available PD or SW utilities that will help me to achiece this. Also
any suggestionor comments are welcome.


Thanks in advance.

Zhao

Computer Network lab, 
University of Wales,
Swansea, U.K. 

e-mail add:	eezhao@uk.ac.swan.pyr

ken@vpnet.chi.il.us (Ken Linder) (05/30/90)

 If I remember correctly, comtrolling the DMA can be tricky.  It involves
a lot of I/O programming and timing considerations.  You may want to 
get the book: _Advanced_MS-DOS_ by Ray Duncan.  That book is full
of hints and ideas....

later.......

DE  Ken Linder    KA9RVK