Denial

Atari 400 with only 32 columns? That's definitely wrong. The 8-bit Atari machines all have 40 columns in normal text mode. Best regards, Schnurri

Many, many thanks for the detailed explanation and further pointers! Best regards, Schnurri

Is the CPU halted when the VIC fetches its graphics data from memory? Are there any documentations available about this topic? I am looking forward to your answers, Schnurri

Kweepa wrote:I'd be surprised if they didn't. It's a huge magazine.
Poking through their archive they at least have all the issues up to 1986-ish. That's when I stopped checking.

Can someone please check if Bagnall gives the issue of that particular BYTE magazine? Best regards, Schnurri

Kweepa wrote:I couldn't find that in BYTE (searching archive.org).

Do they have all BYTE issues at Archive.org? I don't think so.

Books and websites report that according to BYTE magazine 2,5 million VIC have been sold worldwide. Can anyone tell me which BYTE issue made this particular claim? Best regards, Schnurri

I don't know, but I do know that it was the first computer ever to sell 1 million units. When exactly did Commodore announce this number? Mid 1982s as a picture ( https://commons.wikimedia.org/wiki/File:Jack_Tramiel_and_Michael_Tomczyk_first_million_seller_microcomputer_Commodore_VIC20.jpg ) to be ...

I am looking for a timeline of the VICs official list prices in the US. Perhaps someone has assembled such a timeline already? Best regards, Schnurri

Very early VIC 20s were just relabeled VIC 1001s, right? Best regards, Schnurri

What's the story with the VCU-piggyback (Video Circuit Upgrade)? It was mentioned in Commodores Magazine Power/Play Issue 1 (page 3) and Issue 2 (page 3). What does it exactly do? Best regards, Schnurri

Mike wrote: With 22 columns, you get the maximum number of characters with an even number of columns, if you intend to keep the screen RAM size at 512 bytes or below:

This perfectly makes sense to me. I think that's the answer I was looking for. Danke!

I tried to extract some information about the factories that produced the VIC 20 and VC 20 back in the days, but to my surprise I could not find anything reliable (apart from the obvious 'Made in Western Germany' etc.). Is there any 'serious' literature available about the factory locations and comp...

I think I got it now I wasn't aware that the VIC I was that old (1977). So knowing its birth date and the timing issues posted above everything makes perfect sense to me now. Thank you! Best regards, Schnurri

I don't see your point. Other home-computers like Atari 400 and TI-99/4 used 40 columns on TV in the year 1979. If I remember right the VIC I with its 22 columns was developed in the same year.

Best regards, Schnurri

Hi guys! Perhaps this issue has been discussed elsewhere but I just cannot find it. That's why I ask my question in this new topic. Why does the VIC chip feature 22 columns? I'm wondering about that particular number "22". It could have been 20 or 24 as well, so why 22? Someone knows? I am...