In rec.games.video.arcade.collecting Robert Bullock wrote:
: I bought a Samsung CD1251F/38NA that works with CGA res with only a sync
: seperator circuit. On the back is a switch you must put into Mode II. Mode I
: is probably digital TTL CGA I guess. I found the sync seprator at:
:
: http://www.lupinesystems.com/articles/syncsep.htm It does /HSYNC, /VSYNC,
: VSYNC, HSYNC and more but that'll do.

Or you can do it with 1 chip and a couple diodes, resistors and caps...

--
Mark Spaeth
50 Vassar St., #38.265
Cambridge, MA 02139
(617) 452-2354 http://rgvac.978.org/~mspaeth