Difference between revisions of "Video Timing Register"

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(Created page with "{{NextRegister |Number=$11 |Readable=No |Writable=Yes |ShortDesc=Sets video output timing variant. }} {| class="wikitable" ! Bit !! Function |- | 7-3 || Reserved, must be 0...")
 
(Core 2.00.26 changes)
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{{NextRegister
 
{{NextRegister
 
|Number=$11
 
|Number=$11
|Readable=No
+
|Readable=Yes
 
|Writable=Yes
 
|Writable=Yes
 
|ShortDesc=Sets video output timing variant.
 
|ShortDesc=Sets video output timing variant.
 
}}
 
}}
 +
(writable in config mode only)
 
{| class="wikitable"
 
{| class="wikitable"
 
! Bit !! Function
 
! Bit !! Function

Revision as of 00:51, 31 January 2019

Number $11
Readable Yes
Writable Yes
Short Description Sets video output timing variant.

(writable in config mode only)

Bit Function
7-3 Reserved, must be 0
2-0 video signal timing variant

Possible timing variants:

Bit pattern selected variant
%000 Base VGA timing (50/60Hz depending on bit 2 of Peripheral 1 Register ($05))
%001 VGA setting 1
%010 VGA setting 2
%011 VGA setting 3
%100 VGA setting 4
%101 VGA setting 5
%110 VGA setting 6
%111 HDMI

Each VGA setting increases the frequency by approximately 1 kHz.