Help from Gurus on modes and timing and frame buffers needed!

Roman Zippel zippel at linux-m68k.org
Fri Nov 9 23:18:43 EST 2001


Hi,

On Thu, 8 Nov 2001, Kevin B. Hendricks wrote:

> PIXEL_CLOCK = 10,800
> H_ACTIVE = 1280
> H_BLANK = 408
> V_ACTIVE = 1024
> V_BLANK = 42
> H_SYNC_OFF = 128
> H_SYNC_WIDTH = 112
> V_SYNC_OFF = 4
> V_SYNC_WIDTH = 3
> [..]
> But how are the  left_margin, right_margin, upper_margin, and lower_margin
> determined?

Let's see if I remember them correctly:

right/lower = sync_off
left/upper = blank-sync_off-sync_width

so that

left_margin = 168
right_margin = 128
upper_margin = 35
lower_margin = 4

bye, Roman


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