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= | + | |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.