This is just capture of few games.
Shader is working not only with NES.
Source: https://gist.github.com/realmonster/b89e63d4018eb5bbab62331c42acf9e7

crt-royale by TroggleMonkey

Here I use:
NES: Size 256, 240, USE_RAW, USE_LUT.
MD: Size 256, 224.
For MD this means that picture on TV screen in same width as NES one. And has 93.3% height of NES picture.

00:00 BTDD just pal-r57shell.cgp
02:45 BTDD pal-r57shell.cgp with subpixels (bugged, I made fix after recording)
03:34 BTDD crt-royale-pal-r57shell.cgp
06:21 Bucky O'Hare just pal-r57shell.cgp
07:12 Bucky O'Hare pal-r57shell.cgp with subpixels (bugged, I made fix after recording)
08:05 Bucky O'Hare crt-royale-pal-r57shell.cgp
08:43 Contra - Hard Corps just pal-r57shell.cgp
09:60 Contra - Hard Corps pal-r57shell.cgp with subpixels (fixed)
10:16 Contra - Hard Corps crt-royale-pal-r57shell.cgp
12:46 Sonic 3 just pal-r57shell.cgp
13:46 Sonic 3 pal-r57shell.cgp with subpixels (fixed)
14:21 Sonic 3 crt-royale-pal-r57shell.cgp