Jump to content

Recommended Posts

I watched the 8-Bit Guy retrobright a C-64 a week or so back using some wild looking UV lights with great results.  I ordered a pair of them this evening after realizing that I would probably never get the case back to the original shade without some help.  Hopefully, they will make a difference.  I'll either melt it down or get it back to the original color.

 

 

https://www.amazon.com/gp/product/B07FSZGP1Q

Share this post


Link to post
Share on other sites
12 minutes ago, Colleton said:

The bottom case back needs more work, but it is much better.  I need to turn the back towards the window for a few days.

 

What do you think?

 

no_rest_2.png

MUCH better than it looked in your first pictures!

 

As for the UV lights: it should definitely speed up the process.  I just wouldn't do more than 3 or 4 hours the first time around (depending on what size lights you get) in order to avoid going too far.

 

 

 

Share this post


Link to post
Share on other sites

I think I'll check at the 2 hour point and then go from there.  If it weren't for the patch on the cart door I'd probably call it good right now.  It will be interesting to see how it turns out.

Share this post


Link to post
Share on other sites

Just don't get the strong stuff.

Interesting thing about high purity / strength H2O2. If you drip drop by drop it on the earth - the soil that is the ground, it bursts into flames.

Extremely strong Oxidizer.

Strong H2O2 is very! dangerous.

 

Share this post


Link to post
Share on other sites

I'm using Salon Care 40 Volume from Sally Beauty.  It should be safe, at least nothing has caught fire yet.  :)

  • Like 1

Share this post


Link to post
Share on other sites
13 hours ago, Kyle22 said:

Strong H2O2 is very! dangerous.

The Germans used it as a rocket fuel for the Messerschmitt Me 163 Komet Rocket Plane, but later abandoned it because of how difficult and dangerous it was to handle.

 

HWK_109-509.jpg

Wikipedia Link

 

  • Like 4

Share this post


Link to post
Share on other sites
Posted (edited)

Peroxide was not abandoned in rocketry. The Soyuz rocket, for one, still uses it.

 

The Komet was abandoned for rather larger reasons!

Edited by ClausB

Share this post


Link to post
Share on other sites

This is after 3 days (9-10 hours) retrobrighting with peroxide creme this week and 2 hours in a clear peroxide/water solution under UV lamps.

 

It looks really good, very light with no blooming and an even tone all around.  It is vastly improved.  I can't get it to match that one spot on the cart door and doubt I ever will, so I'm calling it done and getting ready for re-assembly.

 

a_f_sm.png

b_f_sm.png

c_f_sm.png

  • Like 7

Share this post


Link to post
Share on other sites

Hi Colleton,

 

When you do a:

 

PRINT PEEK (65528)

 

in your Atari 800, which value do your receive?

 

Many thanks in advance. 🙂

Share this post


Link to post
Share on other sites

I'll try it when I get it reassembled.  Trying to figure out what to do about the broken cart door latch right now.

Share this post


Link to post
Share on other sites

Thank you very much, you have OS A NTSC, sadly, it is not the lost to believe OS 255 we are still searching for...

 

OPERATING SYSTEM 255 for Atari 400/800 ; PRINT PEEK (65528)  <RETURN> => 255
 

 

 

OS A NTSC.jpg

Share this post


Link to post
Share on other sites
Posted (edited)
1 hour ago, Wrathchild said:

That seems a really nice clean output, is that solely from the monitor port?

Yes, that's stock S-Video run through an upscaler.

 

1 hour ago, luckybuck said:

Thank you very much, you have OS A NTSC, sadly, it is not the lost to believe OS 255 we are still searching for...

 

OPERATING SYSTEM 255 for Atari 400/800 ; PRINT PEEK (65528)  <RETURN> => 255
 

 

 

OS A NTSC.jpg

 

Yeah, I knew you were hoping for a 255.  Someday, maybe.

Edited by Colleton

Share this post


Link to post
Share on other sites
Posted (edited)

I never give up, I never surrender... ;-) Stay strong. 🙂

 

The day, all questions are solved, the day, the question mark will vanish in my avatar and the Jr.-> Kong sen.... ;-)

Edited by luckybuck

Share this post


Link to post
Share on other sites

So you are asking the impossible 255 in very early stage of per-released Atari 800 before the official market ? Or either in very low serial number in CITA as such ? Myself, I do not believe to have any early Atari 800, just normal standard 800. 

Share this post


Link to post
Share on other sites
Posted (edited)

No, please see: https://atariwiki.org/wiki/Wiki.jsp?page=Rarity 10

 

At least a few bytes must(!) differ...

 

OPERATING SYSTEM 255 for Atari 400/800 ; PRINT PEEK (65528)  <RETURN> => 255

Many thanks to kr0tki who found the trace, that the OS 255 is for real! In page 8 of:
All about Cassette Tapes from 1979.pdf(info) ; size: 741 KB we find:

Page_8_from_All_about_Cassette_Tapes_1979.jpg

Page 8 of: 'All about Cassette Tapes from 1979'

Edited by luckybuck
  • Like 2

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Loading...

  • Recently Browsing   0 members

    No registered users viewing this page.

×
×
  • Create New...