I wonder if hd64461 video chip is really that bad at blits?  I tried
compiling with HD64461VIDEO_HWACCEL and scrolling performace
deteriorated significantly.  An unscientific test of

    $ time jot 1000

went from 7 (rasops) seconds to 17 (with hwaccel)!

SY, Uwe
-- 
uwe@ptc.spbu.ru                         |       Zu Grunde kommen
http://www.ptc.spbu.ru/~uwe/            |       Ist zu Grunde gehen