Global Transparency Colour Register - Revision history

Xalior: Xalior moved page Global Transparency Register to Global Transparency Colour Register: match formal nextreg.txt name

2025-10-13T17:25:43Z

← Older revision		Revision as of 18:25, 13 October 2025
(No difference)

2024-11-03T11:24:37Z

updated to 78a6ee50

← Older revision		Revision as of 12:24, 3 November 2024
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	This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.		This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.

	This only affects Layer 2, ULA, LoRes and 1-bit ("text mode") tilemap. Sprites use {{NextRegNo\|$4B}} for transparency, 4-bit Tilemap uses {{NextRegNo\|$4C}}.		This only affects Layer 2, ULA, LoRes and 1-bit ("text mode") tilemap. Sprites use {{NextRegNo\|$4B}} for transparency, 4-bit Tilemap uses {{NextRegNo\|$4C}} except in text mode.

2020-09-06T16:24:50Z

Updated information about 1-bit tilemaps.

← Older revision		Revision as of 17:24, 6 September 2020
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	This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.		This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.

	This only affects Layer 2, ULA and ~~LoRes~~. Sprites use {{NextRegNo\|$4B}} for transparency, Tilemap uses {{NextRegNo\|$4C}}.		This only affects Layer 2, ULA, LoRes and 1-bit ("text mode") tilemap. Sprites use {{NextRegNo\|$4B}} for transparency, 4-bit Tilemap uses {{NextRegNo\|$4C}}.

2019-04-19T23:17:07Z

← Older revision		Revision as of 00:17, 20 April 2019
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	\|ShortDesc=Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data.		\|ShortDesc=Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data.
	}}		}}

	Transparency color value (0xE3 after a reset).		Transparency color value (0xE3 after a reset).

2019-04-14T10:00:14Z

7 revisions imported

← Older revision		Revision as of 11:00, 14 April 2019
(No difference)

2019-01-31T19:10:01Z

Core 2.00.26 changes

← Older revision		Revision as of 20:10, 31 January 2019
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	This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.		This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.

	This only affects Layer 2, ULA and LoRes. Sprites use {{NextRegNo\|$4B}} for transparency.		This only affects Layer 2, ULA and LoRes. Sprites use {{NextRegNo\|$4B}} for transparency, Tilemap uses {{NextRegNo\|$4C}}.

2018-12-21T01:42:27Z

← Older revision		Revision as of 02:42, 21 December 2018
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	\|Readable=Yes		\|Readable=Yes
	\|Writable=Yes		\|Writable=Yes
	\|ShortDesc=Sets the ~~color treated as~~ transparent ~~when drawing layer~~ 2.		\|ShortDesc=Sets the "transparent" colour for Layer 2, ULA and LoRes pixel data.
	}}		}}

			Transparency color value (0xE3 after a reset).

			This value is 8-bit only, so the transparency is compared only by the MSB bits of the final colour.

			This only affects Layer 2, ULA and LoRes. Sprites use {{NextRegNo\|$4B}} for transparency.

2017-08-21T20:40:42Z

← Older revision		Revision as of 21:40, 21 August 2017
(No difference)

2017-08-18T23:39:51Z

← Older revision		Revision as of 00:39, 19 August 2017
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	{{NextRegister		{{NextRegister
	\|Number=14		\|Number=$14
	\|Readable=Yes		\|Readable=Yes
	\|Writable=Yes		\|Writable=Yes
	\|ShortDesc=Sets the color treated as transparent when drawing layer 2.		\|ShortDesc=Sets the color treated as transparent when drawing layer 2.
	}}		}}

2017-08-18T23:39:44Z

← Older revision		Revision as of 00:39, 19 August 2017
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	{{NextRegister		{{NextRegister
	\|Number=~~$20~~		\|Number=14
	\|Readable=Yes		\|Readable=Yes
	\|Writable=Yes		\|Writable=Yes
	\|ShortDesc=Sets the color treated as transparent when drawing layer 2.		\|ShortDesc=Sets the color treated as transparent when drawing layer 2.
	}}		}}