Recent content by fordav1

as I said, it is high frequency noise getting into the video signal. The jailbars are there even without the video cable connected and the fault is coming from inside the flyback. It's the HR6489 LOPT for sure and there is nothing you can do...... unless you are familiar with modifying CRT TV...

I had the same problem with several monitors, all the early square 1081/1084 type. Replacement flybacks for the later models like 1084S-P and 1084S-P1 work ok. On the early models HR obviously hasn't reverse-engineered the flyback correctly. There is some ringing getting into the video signal...

Is kipper2k still selling these? I thought they were no longer being made/sold?

I don't recall mentioning anything about any manufacturer making a special custom chip. Hmmm let me check previous posts... hmmm, nope, nothing there about making a custom IC. As for the last part, I'm sure everyone with a C64 is interested to know the answers to your quick quiz and why CIAnide...

That's funny. The whole C64 could run on that board. You are over-complicating the 6526. Regardless, that board is still ~30 cheaper than the FPGASID and a cost-reduced version minus the microSD slot and other not-needed components would reduce it further. Anyway, I'm sure you have not sought...

Oh yeah, just don't bother trying to contact the knowledgeable people because it's guaranteed they won't help or will ignore you. Again, wrong direction. It's a shame you are not open enough to look outside the box and take ideas from the community. Seriously dude, having the bullish attitude...

If the people at Commodore had thought like you, nothing would have been done because of immense hurdles that seemed impossible in the late 70's and early 80's. Obviously you can't hot-plug the CIA after bootup, that's clearly not going to work. You are obviously frustrated and have glossed...

despite what people on the net say, the C64 will boot fine without either CIA (and yes I did check this on real hardware). obviously the keyboard and ports etc wont work but it doesn't need to be there at power-on. anyway, the solution is just hold the C64 in reset for a few seconds while the...

well as I said, if it's bigger, mount it on a riser board. that way it still fits in the socket and the larger chip can sit above on the top board. can't find a pic of an example, but this is the general idea.... http://modtronix.com/images/detailed/1/sbc66ec_pt02tc_backL.jpg obviously this is...

obvious question.... did the bridgeboard work before when using the original bios? and if so you've learned a valuable lesson... never overwrite an original EPROM with something else, always use a new blank chip. that way you can go back to the old chip if things dont work. also, try writing the...

giving it one last shot for the Commodore community.... This is heading in the wrong direction. Everyone with a C64 wants to see a solution to the 6526 problem. They also want to see a new VIC-II and 6510 as well but that's another story. The bottom line is if nothing is done eventually ALL the...

UTSource don't stock Ic's, they source them from other sellers. If they don't work or are unacceptable they have a refund or replacement policy. As far as ROHS, no government worker in customs or wherever is going to pull apart ICs and test for lead. That's hilarious! LOL!! ok well I won't try...

I could buy about 50000 of those chips right now for probably $5-$8 each. Yes they are bigger, but that might be the only way to go. As far as counterfeit etc, I've purchased several hundred ICs from this company and everything works fine. I bought almost all of the parts from them to build a...

You could use XC95216/XC95288. They are available for about $10 and a lot less in quantities over 100. Or use an FPGA and a loader chip like EPC1064 If you are looking to recover your costs/time, the 6526 is a better project and you'll certainly sell 1000's. I'm sure everyone here supports...

most likely this is what they are selling.... https://www.thingiverse.com/thing:1104300 there is a flat space to mount a ide-cf or ide-sdcard onto the bracket. the slot works for either card. if you want to be pedantic about the slot size, modify the model to have a thinner slot and print your...