avatar_Devilmarkus

Need help: Who can check this on a real CPC with CTM connected?

Started by Devilmarkus, 15:58, 25 June 12

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Devilmarkus

Hi peeps,
I made a new overscan picture in MODE 1, no rasters or other technical things.
For this I want to know, how it appears on a real CPC with the CTM connected?
So, who could transfer it and try?

And, of course, take a screenshot, too....





When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

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Devlin

Working on it. Provided it loads OK from tape, I'll have a picture for you shortly..
CPC464 & CPC6128 + USIfAC II + Revaldinho 512k(universal cpld ver) - Schneider CRT TV
Administrator of Amstrad Discord : https://discord.gg/ksWvApv

Devlin




click the image for larger versions :)


EDIT:: btw, if you want more doing DM, just provide a CDT made in javacpc or whatever (with the high speed flag set)
CPC464 & CPC6128 + USIfAC II + Revaldinho 512k(universal cpld ver) - Schneider CRT TV
Administrator of Amstrad Discord : https://discord.gg/ksWvApv

Phi2x

.

Devilmarkus

Yeah the CRT looks very crispy here.
Maybe it looks so, because taken photos always appear much more bright than the CRT shows?
What is your opinion, Devlin, do you like this kind of dithering, or is it too pixelish? (Don't forget, that only 4 colours are used)

Perhaps you could take more photos with less brightness?

@phi2x:
JavaCPC uses a combination of filters in the upper screenshot:
- 3D Display (uses Open GL)
- Blur filter
- PAL emulation (Adapted from Winape)
- RGB2x filter (adapted from DOSBox)
- Monitor mask (rounds the edges a bit)

Only the RGB2x filter looks like this:
Spoiler: ShowHide
When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

Devlin

It looked better than it did on the emulator - if you want to see it with brightness down you might as well just reduce the brightness of the photos, that's what it'll look like..


in comparison to the emulated screen, I think that that kind of image is a bit dark to work well with dithering..
CPC464 & CPC6128 + USIfAC II + Revaldinho 512k(universal cpld ver) - Schneider CRT TV
Administrator of Amstrad Discord : https://discord.gg/ksWvApv

Gryzor

Devlin, lovely photos. I especially like the moire pattern that only appears when the second photo is shrank!

arnoldemu

I like this technique, and the effect on javacpc is very close to a real cpc, but for me that picture had too much noise.
I would like to see a more cleaner picture, perhaps hand pixellated in this way to see what kind of results can be had.
I know it is easier to convert images using tools. I think this method has potential.
I don't think it can be appreciated as much as a cleaner image.
My games. My Games
My website with coding examples: Unofficial Amstrad WWW Resource

Devilmarkus

The problem is:
If you reduce the dithering (black areas go black) the image looks much more bad!
When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

Phi2x


TFM

Ok, this PAL emulation on c64 can do a lot of things. Quite nice to play. But honestly - I only need a single option : "Make it like the real machine". Quality before quantity ;-)
JavaCPC offers already more than needed. I mean ... anything else is just a virtual machine, not a CPC anylonger.
People shoule invest more time in correct emulation of the keyboard (scanning) on emulators ;-) Feel free to throw tomatos now  ;D
TFM of FutureSoft
Also visit the CPC and Plus users favorite OS: FutureOS - The Revolution on CPC6128 and 6128Plus

Devilmarkus

You can do almost the same in JavaCPC...
Wait, will take a video... :P
When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

Devilmarkus

When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

Devilmarkus

Few results: (Some are fast enough to get 50fps...)
[attach=2][attach=3][attach=4][attach=5][attach=6]
When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

Devilmarkus

When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

Gryzor

Well, the c64 video is really great, but it doesn't try to emulate a typical c64 setup (either a tv or a Commodore monitor). Instead there are lots of options (like persistence) that apply to very old monitors and some (like the low-refresh strobo-rolling that you can't actually see, you only see it when such a monitor appears in a movie or on tv) are just made up.


It does look superb, but it could have been much simpler.

TotO

Quote from: Devilmarkus on 22:29, 26 June 12
Few results: (Some are fast enough to get 50fps...)
Nice screens effects! :)

About your first post; With only 4 colours you can render every pictures using dithering, and looking far.
It's the same concept as 4mx3m street advertising.



"You make one mistake in your life and the internet will never let you live it down" (Keith Goodyer)

Devilmarkus

Perhaps its possible ;)

Adding a new "smoother" CRT ditherer to JavaCPC

Result:
[attach=2]
When you put your ear on a hot stove, you can smell how stupid you are ...

Amstrad CPC games in your webbrowser

JavaCPC Desktop Full Release

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