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Scandoubler for ZX Spectrum Core ?   Message List  
Reply | Forward Message #165 of 188 |
Re: [zxgate] Scandoubler for ZX Spectrum Core ?

Mark McDougall schrieb:
> Heh, funnily enough I was thinking about attempting just that in the
> next day or two! I've just finished (tonight) porting all 4 ZXGATE
> projects to my hardware. Atm I've got composite output (50Hz) going and
> was going to try to get VGA output on at least one of them next...
>
> There's a few scan doublers to choose from - in the past I've used the
> one from the fpgaarcade 'Ladybug' project and the one from c-one. IIRC
> they each require only 1 clock so I might use one of them...
>
> If you can wait a day or two I'll let you know how I go!
>
> Regards,
> Mark
>
>
Ok. I will wait. :-)


regards

Dirk



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Thu Feb 15, 2007 1:18 pm

dirkverwiebe
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Message #165 of 188 |
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Has anyone build the Spectrum Core with a working Scandoubler ? I need some tips for it. Thanks in advance. Greetings Dirk...
Dirk Verwiebe
dirkverwiebe
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Feb 15, 2007
9:17 am

... Heh, funnily enough I was thinking about attempting just that in the next day or two! I've just finished (tonight) porting all 4 ZXGATE projects to my...
Mark McDougall
tcdevelop
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Feb 15, 2007
10:25 am

... Ok. I will wait. :-) regards Dirk...
Dirk Verwiebe
dirkverwiebe
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Feb 15, 2007
1:20 pm

... Well tonight I had a bit of spare time so I dropped the Ladybug scan doubler into the ZXGATE TRS project (because it has a 60Hz video mode). Unfortunately,...
Mark McDougall
tcdevelop
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Feb 19, 2007
2:48 pm

Mark McDougall wrote: Dirk, been side-tracked with porting the 1-chip MSX! ;) Should get a another chance at the scan-doubler this weekend! Regards, --...
Mark McDougall
tcdevelop
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Feb 22, 2007
4:04 pm

Hello Mark, this sounds good. Currently i am porting the colecovision core to my spartan board. It nearly works, i get the bios messages but roms(dkong) donīt...
Dirk Verwiebe
dirkverwiebe
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Feb 22, 2007
4:40 pm

... It's been a while, but looking at my source - the only 'special' part I did was remove the 16->8 data mux (process cart_if) and wire the (8-bit) cartridge...
Mark McDougall
tcdevelop
Online Now Send Email
Feb 22, 2007
10:20 pm

... Finally got around to looking at the scan doubler - ended up using a tweaked version of the doubler in Space Invaders on the fpgaarcade site. Works with...
Mark McDougall
tcdevelop
Online Now Send Email
Mar 13, 2007
8:07 am
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