Subject: RE: [stella] problems with monitor syncing From: Adam Wozniak <adam@xxxxxxxxxxxxxxxx> Date: Mon, 2 May 2005 18:29:37 -0400 |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Mon, 2 May 2005, Fred Quimby wrote: > 99% of VGA monitors cannot sync to a horizontal frequency lower than about > twice that of a television (i.e. most VGA's can't do less than about 30 > kHz.) Some really old VGA monitors will, but I wouldn't expect that people > are going to own these monitors. > > A workable solution would be to store the data from each scanline in a > buffer. Once full, output the buffer at twice the speed, and do it twice. > In fact this is exactly what many simple TV to VGA converters do. *grumble* Any way to find out before buying a monitor, how low in frequency it can go? We need to get down to what here, 15.72 KHz? - -- adam@xxxxxxxxxxxxxxxx http://cuddlepuddle.org/~adam KG6GZR http://cuddlepuddle.org/~adam/resume.html -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCdql0yvXf5Z0z5zERAoZaAKCbyFjOWSdLd4+xhx1XxwVN8DUxaACgqCXE K7x7plANW3MWUs43361a5Fw= =LwE/ -----END PGP SIGNATURE----- Archives (includes files) at http://www.biglist.com/lists/stella/archives/ Unsub & more at http://stella.biglist.com
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