Search found 3 matches

by Firebrandx
Thu Jul 29, 2021 6:22 pm
Forum: SNES (Super Nintendo Entertainment System)
Topic: Aspect ratio and integer scaling
Replies: 14
Views: 25988

Re: Aspect ratio and integer scaling

I know the emulation community spent years arguing over the true SNES aspect ratio and I don't mean to question the correctness of 64:49. Technically, it should be 128:105 based on 240p for every 256 mode from Colecovision on up to PS1. That's because most of these consoles can in fact draw into the 240 lines (the NES does by default). And yes, th...
by Firebrandx
Sat Nov 28, 2020 2:20 pm
Forum: Arcade Cores
Topic: Arkanoid - Custom Aspect Ratio
Replies: 9
Views: 4177

Re: Arkanoid - Custom Aspect Ratio

No sweat. Although I'm embarrassed in that I forgot to reduce 900:770 to just simply 90:77. However, as Ace pointed out, there's a mid-scanline shift that forces the MiSTer to render 225 lines instead of 224, so here's the math breakdown for that: 45 * 256 = 11,520 44 * 225 = 9,900 9,900 / 11520 = 0.859375 to 1 Converting 0.859375 to a fraction the...
by Firebrandx
Sun Nov 22, 2020 5:36 pm
Forum: Arcade Cores
Topic: Arkanoid - Custom Aspect Ratio
Replies: 9
Views: 4177

Re: Arkanoid - Custom Aspect Ratio

Guys, Just out of curiosity, could you please explain how this 200:171 has been calculated? As I am very keen to learn more I have been browsing a little bit and I stumbled across this web source: http://pineight.com/mw/index.php?title=Dot_clock_rates According to this web site Arkanoid has got a pixel aspect ratio of 45:44 which equates to 1.023 ...