Re: Reading PALs

2017-02-21 Thread Jim Brain
On 2/21/2017 1:48 PM, Jecel Assumpcao Jr. wrote: Don't forget that 16L8 means 8 logic outputs and 16 inputs even though at first glance there only seems to be 8 inputs. That is because every output is also an input and can possibly be just an input by forcing the three state option. One of the

Re: Reading PALs

2017-02-21 Thread jim stephens
On 2/21/2017 2:06 PM, Mattis Lind wrote: But now it solved because Kelly Leavitt somehow did find the correct link, which is not the one linked to from the page. Thanks a lot for this! Unfortunately there were no source code in there unless they are self extracting binaries. No PC nor

Re: Reading PALs

2017-02-21 Thread Chuck Guzis
On 02/21/2017 02:06 PM, Mattis Lind wrote: > But now it solved because Kelly Leavitt somehow did find the correct > link, which is not the one linked to from the page. Thanks a lot for > this! > > Unfortunately there were no source code in there unless they are > self extracting binaries. No PC

Re: Reading PALs

2017-02-21 Thread Mattis Lind
2017-02-21 22:01 GMT+01:00 jim stephens : > > > On 2/21/2017 12:41 PM, Mattis Lind wrote: > >> I have seen someone making a small device to do this. >> http://dreamjam.co.uk/emuviews/elec/pal.php >> >> Unfortunately the software doesn't seem to be available any longer. Anyone

Re: Reading PALs

2017-02-21 Thread Kelly Leavitt
I have seen someone making a small device to do this. http://dreamjam.co.uk/emuviews/elec/pal.php Unfortunately the software doesn't seem to be available any longer. Anyone that has it? It would definetely save me some time. /Mattis How about: http://dreamjam.co.uk/emuviews/pal/pd-070908.zip

Re: Reading PALs

2017-02-21 Thread Mattis Lind
tisdag 21 februari 2017 skrev Jecel Assumpcao Jr. : > Jim Brain wrote: > > > As a function of "give a man a fish, you feed him for a day; teach a man > > to fish, you feed him for all time", I dloaded Logic Friday, and figured > > out a quick way to read the two 16L8

Re: Reading PALs

2017-02-21 Thread Jecel Assumpcao Jr.
Jim Brain wrote: > As a function of "give a man a fish, you feed him for a day; teach a man > to fish, you feed him for all time", I dloaded Logic Friday, and figured > out a quick way to read the two 16L8 (combinatorial only) PALs on the > board with my EPROM reader (cue duct tape and baling

Re: Reading PALs

2017-02-21 Thread Chuck Guzis
On 02/21/2017 12:51 AM, Jim Brain wrote: > I assume this is the "wetware" process you mention, but I thought I > would check if I need to tweak something in Logic Friday to achieve > better results. I've always gone the "wetware" route, which seems to be mandatory when a term involves, say,

Re: Reading PALs

2017-02-21 Thread Jim Brain
As a function of "give a man a fish, you feed him for a day; teach a man to fish, you feed him for all time", I dloaded Logic Friday, and figured out a quick way to read the two 16L8 (combinatorial only) PALs on the board with my EPROM reader (cue duct tape and baling wire snickers). After

Re: Reading PALs

2017-02-19 Thread Alan Hightower
Thanks for mentioning Logic Friday. I had never heard of it. I just used it to great effect in an unrelaed combinatorial logic reduction problem! -Alan On 2017-02-18 20:37, Chuck Guzis wrote: > On 02/18/2017 04:22 PM, Jim Brain wrote: > >> Seems like someone on list was willing and able

Re: Reading PALs

2017-02-18 Thread Jim Brain
On 2/18/2017 7:37 PM, Chuck Guzis wrote: If I'm the person (see my blog on vcfed.org), "reading" isn't exactly the right term. Yes, of course. I meant running through the combinations of the inputs on the PAL and obtaining the outputs for each set of inputs, then attempting to minimize the

Re: Reading PALs

2017-02-18 Thread Chuck Guzis
On 02/18/2017 04:22 PM, Jim Brain wrote: > Seems like someone on list was willing and able to read PAL16L8s and > give a try to some PAL16R4s... Is that person still on list and > still interested? If so, please contact me off-list. > > I am trying to restore some C64 carts, and the PAL on my

Reading PALs

2017-02-18 Thread Jim Brain
Seems like someone on list was willing and able to read PAL16L8s and give a try to some PAL16R4s... Is that person still on list and still interested? If so, please contact me off-list. I am trying to restore some C64 carts, and the PAL on my working unit is protected, so I cannot