Changes
/* VIDEO: An OSD option to enable scan-doubler */
scan-doubler (simple TV to VGA converter) doesn't run ok in mode 2, but there is some many recent demo effect that doesn't pass using current VGA 72Hz implementation. Have to try to insert both VGA implementations (=> done in r005.8.15.2)
On Sorgelig fork, the scandoubler does pass run ok in mode 2 (but still not centered correctly on VGA 16/9)
===== VIDEO: A SCART output with border =====
