PASOPIA 7 - Revision history

MacDeath: /* Colour Palette */

2014-11-09T02:56:26Z

Colour Palette

← Older revision		Revision as of 02:56, 9 November 2014
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	This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.		This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.

	* The same trick may be somewhat possible on the Sinclair QL or NEC PC-8801 (640x200x8)		* The same trick may be somewhat possible on the Sinclair QL (256x256x8 may work, 512x256x4 would produce some part of the CPC palette) or NEC PC-8801 (640x200x8) or any machine with basic 1bit (2 levels) RGB palette and 640x200 resolution, using CRT monitor.

	== Links ==		== Links ==

2014-11-08T19:41:02Z

Colour Palette

← Older revision		Revision as of 19:41, 8 November 2014
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	This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.		This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.

	The same trick may be somewhat possible on the Sinclair QL		* The same trick may be somewhat possible on the Sinclair QL or NEC PC-8801 (640x200x8)

	== Links ==		== Links ==

2014-11-08T19:33:38Z

Colour Palette

← Older revision		Revision as of 19:33, 8 November 2014
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	But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.		But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.

	{{#ev:youtube\|wpA2XGqE38I\|~~360~~}}		{{#ev:youtube\|wpA2XGqE38I\|420}}

	* From the demo we can see that the Pasopia 7 is able to produce the 27 colours via vertical lines in 640x200 video of the basic RGB 8 colours.		* From the demo we can see that the Pasopia 7 is able to produce the 27 colours via vertical lines in 640x200 video of the basic RGB 8 colours.

2014-11-08T19:32:13Z

Colour Palette

← Older revision		Revision as of 19:32, 8 November 2014
Line 46:		Line 46:
	But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.		But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.

	{{#ev:youtube\|wpA2XGqE38I\|~~300~~}}		{{#ev:youtube\|wpA2XGqE38I\|360}}

	* From the demo we can see that the Pasopia 7 is able to produce the 27 colours via vertical lines in 640x200 video of the basic RGB 8 colours.		* From the demo we can see that the Pasopia 7 is able to produce the 27 colours via vertical lines in 640x200 video of the basic RGB 8 colours.

2014-11-08T19:31:32Z

Colour Palette

← Older revision		Revision as of 19:31, 8 November 2014
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	To dither finely the 8 RGB colours cannot produce more than 27 colours because of redundancy in the result colour from diferent combinaison.		To dither finely the 8 RGB colours cannot produce more than 27 colours because of redundancy in the result colour from diferent combinaison.

	*Opposite colours from the ~~2x2~~ RGB cube would produce grey		*Opposite colours from the 2x2x2 (1bit) RGB cube would produce grey
	Ex : Black + White = grey, Yellow + Blue = Grey.		Ex : Black + White = grey, Yellow + Blue = Grey.

	*some other mix would produce already existing basic colours		*some other mix would produce already existing basic colours
	Ex : Red + Blue = Magenta.		Ex : Red + Blue = Magenta, Red + Green = Yellow.

	*would only remain :		* would only remain :
	= 6 intermediary colours : Lime, sky blue, Purple, Sea Green, Orange, Lavender.		= 6 intermediary colours : Lime, sky blue, Purple, Sea Green, Orange, Lavender.

2014-11-08T19:29:54Z

Colour Palette

← Older revision		Revision as of 19:29, 8 November 2014
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	*some other mix would produce already existing basic colours		*some other mix would produce already existing basic colours
	Ex : ~~RED~~ + Blue = Magenta.		Ex : Red + Blue = Magenta.

	*would only remain :		*would only remain :
	= 6 intermediary colours : Lime, sky blue, Purple, Sea Green, Orange, Lavender.		= 6 intermediary colours : Lime, sky blue, Purple, Sea Green, Orange, Lavender.

	= Darker Basic colours when mixed with Black : Dark blue, Dark Red, Dark Cyan...and so on.		= Darker Basic colours when mixed with Black : Dark blue, Dark Red, Dark Cyan...and so on.

	= Lighter basic colours when mixed with White : Light red, Light Cyan... equivalent to Amstrad CPC's Pastel colours.		= Lighter basic colours when mixed with White : Light red, Light Cyan... equivalent to Amstrad CPC's Pastel colours.

	This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.		This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.

			The same trick may be somewhat possible on the Sinclair QL

	== Links ==		== Links ==

2014-11-08T19:27:56Z

Colour Palette

← Older revision		Revision as of 19:27, 8 November 2014
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	While this is visible on modern emulation and modern monitors, this would actually produce real solid extra colours on a CRT monitor.		While this is visible on modern emulation and modern monitors, this would actually produce real solid extra colours on a CRT monitor.

			To dither finely the 8 RGB colours cannot produce more than 27 colours because of redundancy in the result colour from diferent combinaison.

			*Opposite colours from the 2x2 RGB cube would produce grey
			Ex : Black + White = grey, Yellow + Blue = Grey.

			*some other mix would produce already existing basic colours
			Ex : RED + Blue = Magenta.

			*would only remain :
			= 6 intermediary colours : Lime, sky blue, Purple, Sea Green, Orange, Lavender.
			= Darker Basic colours when mixed with Black : Dark blue, Dark Red, Dark Cyan...and so on.
			= Lighter basic colours when mixed with White : Light red, Light Cyan... equivalent to Amstrad CPC's Pastel colours.

			This leads to the 3-level RGB cube generated from the 1-bit RGB cube in high horizontal resolution and CRT monitor effect.

	== Links ==		== Links ==

2014-11-08T19:16:01Z

Colour Palette

← Older revision		Revision as of 19:16, 8 November 2014
Line 45:		Line 45:

	But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.		But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.

			{{#ev:youtube\|wpA2XGqE38I\|300}}

			* From the demo we can see that the Pasopia 7 is able to produce the 27 colours via vertical lines in 640x200 video of the basic RGB 8 colours.

			While this is visible on modern emulation and modern monitors, this would actually produce real solid extra colours on a CRT monitor.

	== Links ==		== Links ==

2014-11-08T19:00:24Z

Colour Palette

← Older revision		Revision as of 19:00, 8 November 2014
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	\|}		\|}

			But according to videos the palette seems to be the result of the 8 colours RGB + hi-resolution ditherings, hence being a Software palette.

	== Links ==		== Links ==

2014-11-08T18:58:01Z

Links

← Older revision		Revision as of 18:58, 8 November 2014
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	* Old-Computer.com : [[http://www.old-computers.com/museum/computer.asp?c=413&st=1 there]]		* Old-Computer.com : [[http://www.old-computers.com/museum/computer.asp?c=413&st=1 there]]

			* VintageCPU :[[https://vintagecpu.wordpress.com/toshiba-pasopia-7/ there]]

	[[Category:Non CPC Computers]]		[[Category:Non CPC Computers]]
	[[Category:CP/M]]		[[Category:CP/M]]