Re: Resistor R55

2011-10-08 Thread david
Quoting Leszek Chmielewski retr...@gmail.com: My SAM has no BRIGHT too. There was a shortcut between Composite and +12V, so the MC1377P was burned out (Just got a replacement by desoldering a Atari Mega STE), I lost BRIGHT too as the ASIC was toasted a little too. After replacing it with ASIC

Re: Resistor R55

2011-10-08 Thread VELESOFT
- Original Message - From: Leszek Chmielewski To: sam-users@nvg.ntnu.no Sent: Tuesday, October 04, 2011 11:11 AM Subject: Re: Resistor R55 My SAM has no BRIGHT too. There was a shortcut between Composite and +12V, so the MC1377P was burned out (Just got a replacement by

Re: Resistor R55

2011-10-08 Thread david
Look forward to seeing more on this. What status are you at with the ASIC module? Are you looking at replacing the 1772 as well? Any plans to make the ASIC code available - as it may allow others to help with your development perhaps? Quoting VELESOFT veles...@seznam.cz: -

Re: Resistor R55

2011-10-08 Thread Simon Owen
Hopefully we understand the behaviour of the current ASIC well enough for someone to create a replacement, or (as you're suggesting) and enhanced version that is backwards compatible. It's not a small task though! I have a bunch of test programs that Dave and I wrote for SimCoupe, which

Re: Resistor R55

2011-10-08 Thread VELESOFT
Some years ago I work on ZX ULA clone: http://velesoft.speccy.cz/cpld128ula.JPG More tech information about ASIC I have on papers and in my head :) It's not so hard for implement with modern hardware :) Some parts of ASIC clone projects exist as my old sources, but I must all rewrite. Color