From: adh@cbnews.cb.att.com (andrew.d.hay) Subject: Re: Dumb idea regarding QIC-40/80 tapes Date: Wed, 7 Oct 1992 15:19:30 GMT
In article <1992Sep27.082746.25106@news.acns.nwu.edu> hpa@nwu.edu (H. Peter Anvin) writes:
"Here is a thought regarding QIC tapes:
"if the floppy controller really is so timing-sensitive that it is not
"practical to let the CPU buffer tape I/O and use an interrupt-driven timer
"when to output the blocks, this might be an idea.
[]
" (The knee-jerk reaction is of course "if you
"can do the floppies why not the tape", but with the floppies a miss means
"catch it on the next turn, on tape it means REWIND!)
from *my* perusal of the qic docs, only the tape *command* system
needs the timing-loop kluge, not the data stream...
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Andrew Hay | I am not an expert, |
a_d_hay@att.com | but I play one on the Internet! |
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