A Grand Day Out

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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

PhilC wrote: 18 Mar 2024 10:07 I forgot to add the /url bit
:dizzy:
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

PhilC wrote: 18 Mar 2024 10:07 I forgot to add the /url bit
That's the one you suggested and I bought when I thought there was an NSTC issue with my OSI 600.

So are you saying you use an S-Video cable from the normal display port of the C128 via that adapter to VGA or that you use an S-Video cable from the RGBI interface via that adapter?

I'm currently using a standard C64 style composite cable from the C128 to my Retrotink 2x Mini, but it will accept S-Video too.

So many adapters in my life...
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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PhilC
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Re: A Grand Day Out

Post by PhilC »

@rubber_jonnie I use the S-Video cable that's on a special PCB that replaces the modulator but the S-Video cable you bought for your C64 should also do the job nicely and IMO looks so much better.

The RGBI uses a whole different interface for the 80 column mode.
If it ain't broke, test it to Destruction.
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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

PhilC wrote: 18 Mar 2024 11:28 @rubber_jonnie I use the S-Video cable that's on a special PCB that replaces the modulator but the S-Video cable you bought for your C64 should also do the job nicely and IMO looks so much better.

The RGBI uses a whole different interface for the 80 column mode.
You know what, I'd totally forgotten my C64 S-Video cable!! It's already plugged into my Retrotink too.

The video quality is considerably better, still a bit ghosty and with a few bars, but it is sharper. More pot twiddling awaits.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

@PhilC

Just found this on eBay:

Screenshot 2024-03-18 at 11.57.49.png

For £20 I thought it was worth a punt as it looks like it is RBGI to SCART, and whilst not ideal, will at least allow me to test and see how things look.

Also i did a composite/S-Video comparison, first image is composite:

IMG20240318120106.jpg

2nd is S-Video:

IMG20240318120122.jpg

Both via my Retrotink 2x Mini to HDMI.

For me the 2nd is definitely much better so I think I'll stick with the S-Video. I'm a dumbass though for forgetting I had a dual purpose C64/128 composite/S-Video cable...
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Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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PhilC
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Re: A Grand Day Out

Post by PhilC »

@rubber_jonnie yes that cable is definitely worth a punt. I got my adaptor imported from the US and it works great but it's not cheap obviously.

I'll try and get a comparison of my screen later on if I get a mo.
If it ain't broke, test it to Destruction.
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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

PhilC wrote: 18 Mar 2024 13:21 @rubber_jonnie yes that cable is definitely worth a punt. I got my adaptor imported from the US and it works great but it's not cheap obviously.

I'll try and get a comparison of my screen later on if I get a mo.
Thanks.

Will see what the horrible CP/M screen looks like :)
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

And CP/M looks like this:

IMG20240318135116.jpg

So despite what I said earlier, there are definite improvements here so long as I use S-Video.
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Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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stephen_usher
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Re: A Grand Day Out

Post by stephen_usher »

Both the composite and the s-video leads you have there seem to be ringing, giving you ghosting. You may need a ferrite core on them or get better cables.
Intro retro computers since before they were retro...
ZX81->Spectrum->Memotech MTX->Sinclair QL->520STM->BBC Micro->TT030->PCs & Sun Workstations.
Added code to the MiNT kernel (still there the last time I checked) + put together MiNTOS.
Collection now with added Macs, Amigas, Suns and Acorns.
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rubber_jonnie
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Re: A Grand Day Out

Post by rubber_jonnie »

stephen_usher wrote: 18 Mar 2024 15:24 Both the composite and the s-video leads you have there seem to be ringing, giving you ghosting. You may need a ferrite core on them or get better cables.
Worth a try. Both my standard composite cables do the same, one does double duty as S-Video, and both shots were taken on the double cable.

Not sure if I have any ferrite cores lying around, I'll have a look but worth a shot.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...

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