Optimal timings

Console / mode	Dots per scanline / no. scanlines / @dotclk	OSSC base mode / scale factor	Active area IN->OUT	Modified parameters	Notes	PC modeline
NES 256x224 @60Hz	341 / 262 / @5.37MHz(NTSC) [1][2]	240p_L3M3 / H: 5x(4x), V: 3x	256x240(224) -> 1280(1024)x720(672)	-	V.active could be set to 224 if accepted by display	Modeline "ossc_nes_1280x720_60.08" 80.55 1280 1385 1510 1705 720 729 738 786 -hsync -vsync
SNES 256x240/224 @60Hz	341 / 262 / @5.37MHz(NTSC) @5.32MHz(PAL) [3]	240p_L3M3 / H: 5x(4x), V: 3x	256x240(/224) -> 1280(1024)x720(/672)	-	-	Modeline "ossc_snes_1280x720_60.08" 80.55 1280 1385 1510 1705 720 729 738 786 -hsync -vsync
N64 320x240 @60Hz	773.25 (?) / 262 / @12.18MHz(NTSC) [4]	240p_L3M2 / H: 4x(3x), V: 3x	640(320)x240 -> 1280(960)x720	H.samplerate=387, H.synclen=22, H.backporch=36	Every other visible dot (of 640) is interpolated
PSX 320x240 @60Hz	426.625 (?) / 263 / @6.71MHz(NTSC) @6.65MHz(PAL) [5] [6]	240p_L3M2 / H: 4x(3x), V: 3x	320x240 -> 1280(960)x720
Saturn 320x240 @60Hz	427 / 262 / @6.71MHz [7]	240p_L3M2 / H: 4x(3x), V: 3x	320x240 -> 1280(960)x720	H.samplerate=427
DC VGA @60Hz	858 / 525 / @27MHz [8]	480p / H: 1x, V: 1x	720(640)x480 -> 640x480	H active=640
		480p (x2) / H: 2x, V: 2x	720(640)x480 -> 1280x960	H active=640
CPS2 240p @60Hz	512 / 262 / @8MHz	240p_L3M2 / H: 4x(3x), V: 3x	384x240 -> 1536(1152)x720	H.samplerate=512, H.active=384, H.backporch=66
Seibu SPI	? / 293 (?)	?