updated NOS code on thumper
- To: firstname.lastname@example.org, email@example.com
- Subject: updated NOS code on thumper
- From: firstname.lastname@example.org (Ben Thornton)
- Date: Tue, 29 Jan 91 09:15:58 CST
> It turns out that you can convert the PC/AT's raw 8254 clocks (generated by
> a 3.579545... MHz NTSC color burst crystal divided by 3) exactly into
> milliseconds by multiplying by 11 and dividing by 13,125.
Well... almost correct. Actually the crystal is a 14.31818 MHz crystal
(4x color subcarrier). This is divided by 12 to 1.19318 MHz, which works
out to the same frequency as the one you are working with.
Ben Thornton packet: WD5HLS @ KB5PM
Video Associates Internet: email@example.com
Austin, TX uucp: ...!cs.utexas.edu!val!ben
Did Schrodinger exist? ...or was that in another universe?