Re: sx-64 pal ntsc??

From: matt (galaga_at_paradise.net.nz)
Date: 2004-07-19 10:02:45

well i'v done it!!!!
one sx-64 now 100% pal, LOL it was a job!! 2 days work!!
now to get it all back in the case heeheehhehe :P

if any ones would like to see pix it ill put then on a page soon.

thanks for your help cbm-hackers mailing list - By Thread "ntsc to pal"

i'll never do it again hmmm maybe for a copy of "64hdd 128pro ver" hehe..

----- Original Message ----- 
From: "matt" <galaga@paradise.net.nz>
To: <cbm-hackers@cling.gu.se>
Sent: Tuesday, July 13, 2004 10:41 PM
Subject: Re: sx-64 pal ntsc??


> ok i'm go to try and convert the sx64 to 100% pal but i just need a little
> help.
> The crt schematics for this unit would be a big help.
> I have a pal to rgb pcb from a tv that just needs +12v and a sandcastle
> which i can do via a tda2595 hoz ic & some "one shot timers"  etc...
> the schematics would speed up the conversion.
> if any one have these can they scan them??? please??? :)) and email
> them to me?? or post them on http://www.funet.fi/pub/cbm/schematics
>
> thanks all for your input i'll let you all know when have success!
> matt
>
>
> ----- Original Message ----- 
> From: "MagerValp" <MagerValp@cling.gu.se>
> To: <cbm-hackers@cling.gu.se>
> Sent: Monday, July 12, 2004 10:00 PM
> Subject: Re: sx-64 pal ntsc??
>
>
> > >>>>> "M" == matt  <galaga@paradise.net.nz> writes:
> >
> > M> can i mod the roms or replace them with c64 ones??
> >
> > Yes, you can use standard C64 roms. The only differences in the SX-64
> > roms are
> >
> >   * lack of tape routines
> >   * default to device 8
> >   * different startup colours
> >
> > Roms autodetect PAL and NTSC and adjusts the timing accordingly.
> >
> > M> to fix the 60hz in the 6526??
> >
> > It's not an issue with the 6526.
> >
> > M> Or do i need to change the crystals ??
> >
> > Yes, and the VIC chip, and you might have to do cut a jumper or two on
> > the CPU board.
> >
> > M> and what will that do to the CRT (5" TV NTSC)
> >
> > It'll show a rolling black and white picture, but you should be able
> > to adjust the vertical hold to get a stable image. To get colour you
> > will need to replace the video board with one from a PAL unit.
> >
> > Not that I have tried any of the above, but it should be fairly
> > straightforward.
> >
> > -- 
> >     ___          .     .  .         .       . +  .         .      o
> >   _|___|_   +   .  +     .     +         .  Per Olofsson, arkadspelare
> >     o-o    .      .     .   o         +          MagerValp@cling.gu.se
> >      -       +            +    .     http://www.cling.gu.se/~cl3polof/
> >
> >        Message was sent through the cbm-hackers mailing list
> >
>
>
>        Message was sent through the cbm-hackers mailing list
>


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