H-Res NTSC??
cbmeeks
Posts: 634
Has anyone here pushed NTSC to the max with their Prop?
Like maybe a true 256x192 res with many colors? Or even a 160x192 with many colors?
I would be interested in seeing what kind of video people have done.
thanks
cbmeeks
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Like maybe a true 256x192 res with many colors? Or even a 160x192 with many colors?
I would be interested in seeing what kind of video people have done.
thanks
cbmeeks
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Comments
I hope you haven't given up on your SX NTSC project ?
BTW can you post a link to it ? I tried to find it but I couldn't...
Bean.
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Cheap used 4-digit LED display with driver IC·www.hc4led.com
Low power SD Data Logger www.sddatalogger.com
SX-Video Display Modules www.sxvm.com
There are only two guaranteed ways to become weathy.
Spend less than you make.
Make more than you spend.
·
So, I got fired on a Friday and by NEXT Friday I landed another job! Making TWICE what I was making at the 5 year job and $17,000 more per year than the one I was fired from. Only bad part is that it's a contract position with possibility to hire. It's great here. Learning new stuff. Had to switch from ASP.NET/VB.NET to C#.NET and I really enjoy it.
ANYWAY....I've been wanting to get a prop chip going because it appears to be so much easier for video. But in the pit of my stomach, I've felt guilty by not doing it the hard way and the fact that you remembered my project has sparked my interest again.
Thanks Bean!
cbmeeks
PS,
The links are down because I was hosting them at my house. My router's PSU got hot and cracked open! So, I got another router and I can't quite get the dynamic IP service working so that I get a virtual static IP. :-/
But that's ok. I have a ton of real webspace and since I am going to launch my coders' hangout site over the next couple months, I can host them there. In fact, it would make a great first article!!
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Post Edited (cbmeeks) : 8/31/2006 12:07:57 PM GMT
Andre'
cbmeeks
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I wrote a whole GPU in VHDL for a fpga. It was for a console I built from the ground up.
It support 256 colors and 320x240 rez.
All layers where really 512x256 with those area's off screen for scroll buffering.
(48) 16x16 sprites with 16 colors per sprite. 12 per line max.
256 color BMP layer with a 2 tile layers.
One tile layer supported 16 colors every 8x8 tile.
The other supported a fixed 16 color pallete over the whole tileset and was the top layer called the (overlay) used for screen stats and menus.
All layers supported independent scrolling.
256K of VRAM.
Yes it worked, I built a 8bit 22mhz z80 clone computer with the thing. Rabbit 2000 cpu with 512k of RAM and 512k flash.
Along with a Sound Chip I wrote in another FPGA.
8 channels of WaveTable synthesis from 128k of WaveTable sample ram.
It was a "long" but fun project!
It was my excuse to learn FPGAs for the custom Video and Sound Co-processor.
(joking)
Bean has actually sparked my interest again and I almost went the "easy" route with the prop. Now, I want to do it in pure SX more than ever. Even though the SX wouldn't be as hard as the Apple II's approach, it will still be a GPU from nothing.
Maybe I should back up here...my goal is to re-create the Commodore or Atari. Not to emulate, but to design a computer that would be state-of-the-art....in 1983.
cbmeeks
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doesn't the prop *by itself* just about manage that?
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Who says you have to have knowledge to use it?
I've killed a fly with my bare mind.
In the meantime, I will do it the hard way.
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Coders' Hangout
A place for coders to hangout!
METROID?
Metroid Classic