* Original -- notice the bad white ringing, black ghosting, and white chroma ghosting:

* Remove black noise

* Remove white ringing and ghosting

* Tweaked 64 colors (!) Palette (strong color fringes)

* Original

* Remove black noise

* Remove white ringing and ghosting

* Tweaked 64 colors (!) Palette (strong color fringes)

* Original

* Remove black noise

* Remove white ringing and ghosting

* Tweaked 64 colors (!) Palette (strong color fringes)

* Original Palette

* Removed Black noise - columns 0, 16, 32, 48

* Remove white ringing and ghosting - columns 15, 31, 47, 63

* Tweaked 64 colors (!) Palette (strong color fringes)

Debugger commands: 

bload "archon.hgr",2000
bload "swashbuckler",4000
bload "dd.dhgr0",0:2000
bload "dd.dhgr1",1:2000

hgr1
hgr2
dhgr1

ntsc reset
ntsc load "Black_NTSC_Palette.bmp"
ntsc load "White_NTSC_Palette.bmp"