Main > Project Announcements
MVS-99-6 - Project on hold until further notice (2014-03-10)
emphatic:
Very cool. ;D
NiN^_^NiN:
--- Quote from: Yvan256 on September 28, 2011, 01:39:02 pm ---Two updates and over 400 additional views later and still no comments? ???
I know I'm not as good as Ond, Pixelhugger and others, but... I like comments too. :'(
--- End quote ---
It's looking great man I do love the idea of the screen in the marquee I always thought of 7" Digital photo frames on a fullsized neogeo cab just changing pictures would be cool.
I need to see the whole cab in action to see the lcd in use as currently cause it's close up it looks a tad small and i can't get a feel for the size of the lcd with the whole of the cab but still fantastic work :) can't wait to see more
Yvan256:
--- Quote from: NiN^_^NiN on September 28, 2011, 07:02:23 pm ---It's looking great man I do love the idea of the screen in the marquee I always thought of 7" Digital photo frames on a fullsized neogeo cab just changing pictures would be cool.
I need to see the whole cab in action to see the lcd in use as currently cause it's close up it looks a tad small and i can't get a feel for the size of the lcd with the whole of the cab but still fantastic work :) can't wait to see more
--- End quote ---
I remember seeing a Neo-Geo cabinet with exactly that, but I think it was semi-fixed marquee that the guy had to change manually by pressing a button or something. My LCD will change automatically, even within the menu system.
As for an idea of the overall size, you can see it in this post. It's only a Sketchup render but it should give you a good idea of the LCD/marquee ratio. The idea is that the LCD replaces the Neo-Geo mini-marquee, except that it's square instead of a vertical rectangle.
Yvan256:
Oh boy, I knew I should have tested this earlier. After all the trouble communicating with that small LCD and the viewing angle problem that required a modification to the top marquee panel...
The datasheet says 132x132 pixels but after a quick test I just found out that only 130x130 pixels are visible. :cry:
This means I have to start over on all the marquee graphics. As small as they are, I can't just cut off 1 pixel on each side.
Oh well, here's two photos of my test grid, I left a border of one pixel before my lines to make sure I could see the top, bottom, left and rightmost rows/columns of pixels. I also tested by moving these borders by one pixel and they are indeed the last visible ones. I don't want to remake those marquees a third time. ::)
It seems I also finally learned how to take photos of this LCD. Just make it a close-up so that the camera will use the LCD as the light source for the calibration! (or whatever it's called - sorry, I'm not a professional photographer)
Also included is the Neo-Geo logo, displayed improperly due to the fact that I'm still trying to set that stupid LCD in 4096 colors mode. But hey, at least it's already half-working, right?
Yvan256:
Two steps forward, one step back...
I found another LCD which should have much better colors, larger viewing angles and also nearly perfectly fits the aspect ratio of a Neo-Geo mini marquee. The worst part is, I paid more for my current LCD. So my current LCD will go back on eBay to fund the purchase of this new LCD.
I just did a paper-printed test with this LCD with the datasheets and yes it does fit in my cabinet. That is, once I have made another hole in the MDF, this time in the bottom panel of the marquee holder.
So instead of going with 130x130 for the marquees graphics I will do 128x160. The good thing is that, worst case scenario, I will still be able to use the horizontal graphics for the current LCD display if I can't find a buyer for it.
With the new LCD the marquee area of my cabinet will have a vertical mini-marquee like a real Neo-Geo cabinet, goodbye square LCD! :cheers:
Other bonuses with this PCB:
- the command/data is a separate pin, so I will be able to use the native SPI interface of the ATtiny861 (easier and faster)
- built-in microSD card connector
- Both the LCD and microSD talk via SPI and there is a "chip select" pin for both, reducing the number of pins required on the ATtiny861
("Photoshopped" Samurai Shodown photo on the LCD)
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version