800x600 VGA

TheCbac · 2013-12-04 18:09

Hi all, first post :-)

Im trying to sift my way through vgademo that comes with SimpleIDE, in order to create 800x600 VGA @ 60Hz (its the only thing my monitor will recognize).

I tried simply changing ncol and nrow under draw.c to 800 and 600, respectively, but to no avail. Can anyone help?

Thanks!

jmg · 2013-12-04 19:50

TheCbac wrote: »

I’m trying to sift my way through “vgademo” that comes with SimpleIDE, in order to create 800x600 VGA @ 60Hz (it’s the only thing my monitor will recognize).

Are you sure ? - Most PCs early boot messages come at a lower resolution - does your monitor show those ?

TheCbac · 2013-12-04 20:30

Well it’s not actually a monitor, it’s an LCD display with a VGA driver for it. I’ve tested it, and unfortunately it really does take just 800x600.

jmg · 2013-12-04 21:22

OK, I found this thread that has a 800x600 example, - not in C, but you could get it quickly working via vga_text.spin -> Changed as per link, and then play spot the difference, on your code ?
With monitor issues, it can be good to get something working, then move from there.

http://forums.parallax.com/showthread.php/140170-VGA-20-column-driver?p=1099207&highlight=800x600+timing#post1099207

TheCbac · 2013-12-04 21:34

Great, Thanks!

I also found another post bykuroneko that looks useful. Between the two I think I should be able to get things running.

http://forums.parallax.com/showthread.php/135844-POC-most-useless-piece-of-code-ever-The

jmg · 2013-12-04 21:46

TheCbac wrote: »

Great, Thanks!
I also found another post bykuroneko that looks useful. Between the two I think I should be able to get things running.

Cool, as you have probably guessed, Kuroneko is something of a wizard at this.

800x600 VGA

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