_____ From: vzemu@yahoogroups.com [mailto:vzemu@yahoogroups.com] On Behalf Of James Diffendaffer Sent: Saturday, 1 March 2008 12:44 PM Interesting stuff but...
Its also wrong, which has me scratching my head. Interesting stuff though, better than watching telly or doing crosswords. Ran the split screen code on a...
... Yep...what has me befuddled is in text mode, the top border is black. In graphics, the top border is green (or buff). I'd expect to see a black line ...
From memory, the 6847 will only change display modes in the displayed section of the screen. (ie. From the left border of the first scan line through to the...
Here's a pic as of yesterday - fixed up the border as per Richard's comments. It now matches the results on my vz300, but I still have to fix up the font and...
Yes, the interference is caused by the 6847 reading memory at exactly the same time the Z80 tries to write it, and therefore the data byte fetched for the...
Been reading up on that 1977 chip we all love to hate, the mc6847. An EXTREMELY clever game called dragonfire on the coco changed color palette mid scanline in...
... It still had to use timing loops to change at a specific location on the screen. Since timing is different on the CoCo3, Dragonfire's color's switch at...
Let us know what rom version it is! Wonder if it is ntsc or if it has just changed hands several times and found its way to the U.S ... ... This email was sent...
Yeah, I was bidding on that too. It looks like another NTSC model, which is good, because if it works, there will now be at least three of us with one. ...
I'm hoping it's NTSC but it doesn't even look like it includes a power supply so I'm guessing it's PAL. You know that some company had to buy a minimum...
Well it IS based on the TRASH-80 :) ... -- http://www.BangRocks.com/ - the Bangrocks network. http://www.AndroidChi.com/ - Google Android applications ...
The more I look at the photo the more I think it is an NTSC machine. The box doesn't say Dick Smith and has a VTech logo right above where it says "Personal...
After looking around at these machines on a bunch of the "Computer Museum" sites I found several VZ200's with "Color" rather than "Colour" printed on them. It...
There seem to be at least 3 versions of the machine in that case (the Laser 210, Solora Fellow, etc... used a different case). Here is the Dick Smith...
Just got my order of bits from Futurelec, its amazing how small the chip for the 2k 6116 static ram is. Its about 4 times smaller than the one hooked up to the...
Just don't let the smoke out! You do know that electronic components are just packets of smoke? When you let the smoke out they don't work any more... On...
I just got outbid on a vz200. It went for $102.50 Not a complete system, just a 200 with power supply. I don't believe it is a legit sale. I was winning up...
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