ULA Control Register - Revision history

Ped7g: core 3.1.4 changes/refresh

2020-04-16T00:08:58Z

core 3.1.4 changes/refresh

← Older revision		Revision as of 01:08, 16 April 2020
Line 18:		Line 18:
	1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7</del>		1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7</del>
	\|-		\|-
	\| 4 \|\| ~~Reserved, must be 0~~		\| 4 \|\| since core3.1.4: Cancel entries in 8x5 matrix for extended keys
	\|-		\|-
	\| 3 \|\| ULA+ enable (soft reset = 0)		\| 3 \|\| ULA+ enable (soft reset = 0)

Ped7g: core 3.1.3 changes/refresh

2020-04-13T15:30:35Z

core 3.1.3 changes/refresh

← Older revision		Revision as of 16:30, 13 April 2020
Line 10:		Line 10:
	\| 7 \|\| 1 to disable ULA output (soft reset = 0)		\| 7 \|\| 1 to disable ULA output (soft reset = 0)
	\|-		\|-
	\| 6 \|\| 0 to select the ULA colour for blending in SLU modes 6 & 7 (soft reset = 0)		\| 6-5 \|\| since core3.1.1: Blending in SLU modes 6 & 7 (soft reset = 0)
	1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7		= 00 for ULA as blend colour
			= 10 for ULA/tilemap as blend colour
			= 11 for tilemap as blend colour
			= 01 for no blending
			<del>bit 6: 0 to select the ULA colour for blending in SLU modes 6 & 7 (soft reset = 0)
			1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7</del>
	\|-		\|-
	\| 5-4 \|\| Reserved, must be 0		\| 4 \|\| Reserved, must be 0
	\|-		\|-
	\| 3 \|\| ULA+ enable (soft reset = 0)		\| 3 \|\| ULA+ enable (soft reset = 0)
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	Bit 0 can be set to choose stencil mode for the combined output of the ULA and [[Tilemap]].		Bit 0 can be set to choose stencil mode for the combined output of the ULA and [[Tilemap]].

	~~Bit~~ 6 ~~determines~~ what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects.		Bits 6-5 determine what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects ({{NextRegNo\|$15}}).

Ped7g: core 3.0 changes/refresh

2019-11-12T06:56:09Z

core 3.0 changes/refresh

← Older revision		Revision as of 07:56, 12 November 2019
Line 3:		Line 3:
	\|Readable=Yes		\|Readable=Yes
	\|Writable=Yes		\|Writable=Yes
	\|ShortDesc=~~Disables~~ ULA ~~completely and~~ controls ~~its~~ mixing ~~with Tilemap layer.~~		\|ShortDesc=Disable ULA, controls ULA mixing/blending, enable ULA+
	}}		}}
	{\| class="wikitable"		{\| class="wikitable"
	! Bit !! Function		! Bit !! Function
	\|-		\|-
	\| 7 \|\| 1 to disable ULA output		\| 7 \|\| 1 to disable ULA output (soft reset = 0)
	\|-		\|-
	\| 6 \|\| 0 to select the ULA colour for blending in SLU modes 6 & 7		\| 6 \|\| 0 to select the ULA colour for blending in SLU modes 6 & 7 (soft reset = 0)
	1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7		1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7
	\|-		\|-
	\| 5-1 \|\| Reserved, must be 0		\| 5-4 \|\| Reserved, must be 0
			\|-
			\| 3 \|\| ULA+ enable (soft reset = 0)
			\|-
			\| 2 \|\| may change (ULA half pixel scroll) (soft reset = 0)
			\|-
			\| 1 \|\| Reserved, must be 0
	\|-		\|-
	\| 0 \|\| 1 to enable stencil mode when both the ULA and tilemap are enabled		\| 0 \|\| 1 to enable stencil mode when both the ULA and tilemap are enabled
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	\|}		\|}

	Bit 0 can be set to choose stencil mode for the combined output of the ULA and [[Tilemap~~\|tilemap~~]].		Bit 0 can be set to choose stencil mode for the combined output of the ULA and [[Tilemap]].

	Bit 6 determines what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects.		Bit 6 determines what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects.

	~~Default value is 0.~~

Ped7g: cross-linking with main Tilemap article

2019-05-23T05:52:01Z

cross-linking with main Tilemap article

← Older revision		Revision as of 06:52, 23 May 2019
Line 19:		Line 19:
	\|}		\|}

	Bit 0 can be set to choose stencil mode for the combined output of the ULA and tilemap.		Bit 0 can be set to choose stencil mode for the combined output of the ULA and [[Tilemap\|tilemap]].

	Bit 6 determines what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects.		Bit 6 determines what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects.

	Default value is 0.		Default value is 0.

Specnext: 1 revision imported

2019-04-14T10:00:23Z

1 revision imported

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

wiki>Ped7g: Core 2.00.26 changes

2019-01-31T19:30:04Z

Core 2.00.26 changes

New page

{{NextRegister
|Number=$68
|Readable=Yes
|Writable=Yes
|ShortDesc=Disables ULA completely and controls its mixing with Tilemap layer.
}}
{| class="wikitable"
! Bit !! Function
|-
| 7 || 1 to disable ULA output
|-
| 6 || 0 to select the ULA colour for blending in SLU modes 6 & 7
1 to select the ULA/tilemap mix for blending in SLU modes 6 & 7
|-
| 5-1 || Reserved, must be 0
|-
| 0 || 1 to enable stencil mode when both the ULA and tilemap are enabled
(if either are transparent the result is transparent otherwise the result is a logical AND of both colours)
|}

Bit 0 can be set to choose stencil mode for the combined output of the ULA and tilemap.

Bit 6 determines what colour is used in SLU modes 6 & 7 where the ULA is combined with Layer 2 to generate highlighting effects.

Default value is 0.