CUPL - reliablity and "semi-professional" use
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Posted by Davide on August 8, 2008, 6:01 pm
Please log in for more thread options Hi men this is my first post in the wide usenet :) At high school profs gave me basics of the old-useless CUPL language which defines hardware structure of gal and pld. Incuriosired i took it up by myself and in a few days i learned all the easy language and made some simulations of my virtual devices. Now (not much later) i've started to actually build some simple circuits like pwm to control fans speed and i would like to begin implementig my CUPL knowledge to give a brief watch on what i can and if pass to a more complex hdl BUT.. The CUPL compilers i've tried (wincupl from atmel and the original from the cornell university) seem to be too much bugged and unstable even to be completely unusable: a stupid error on the code often causes crashes, over many others "random" ones that when happen you need to delete all the project files and rebuild them and, almost often, correct code is impossible to be compiled. SO.. Because i don't intend to throw my little knowledge in the WC, and i can't go forward to best languages like vhdl and verlilog, i ask HELP! i want to speak CUPL but HOW? thank you | |||||||||||||
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Posted by Rich Webb on August 8, 2008, 6:30 pm
Please log in for more thread options wrote: Sometimes a good ol' 22V10 is the best-fit solution and when I've needed to go that route, I've used Atmel's WinCUPL without any particularly memorable difficulties. Are you experiencing any specific problem? -- Rich Webb Norfolk, VA | |||||||||||||
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Posted by Davide on August 8, 2008, 7:32 pm
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Only mysteriouses "Fatal CUPL errors encountered ... program aborted" when i compile... Pheraps is my code bad? For example, a stupid 4bit adder with carry like this does crash wincupl: Name adder; Partno 00; Date 06/08/08; Revision 00; Designer davide; Company none; Assembly none; Location board; Device g22v10; pin [1..4] = [a0..3]; /* a addend */ pin [5..8] = [b0..3]; /* b addend */ pin [14..18] = [o0..4]; /* output with carry */ function adder (a, b, carryin, carryout) { append carryout = a & b; append carryout = a & carryin; append carryout = b & carryin; adder = (a $ b) $ carryin; } o0 = adder(a0, b0, 'b'0, cout0); $repeat i = [1..3] o = adder(a, b, cout{i - 1}, cout); $repend working directories are long less than 32 chars as it's needed... boh? i think the code is correct.. | |||||||||||||
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Posted by Rich Webb on August 9, 2008, 9:17 am
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wrote: >Only mysteriouses "Fatal CUPL errors encountered ... program
>aborted" when i compile... >Pheraps is my code bad? >For example, a stupid 4bit adder with carry like this does >crash wincupl: Perhaps you have a bad installation or some damaged files? I ran both device dependent and independent compiles of your code and both completed without crashes. The device dependent compile complained about excessive product terms for o3 and o2 but neither crashed. This is with ver 5.30.4. -- Rich Webb Norfolk, VA | |||||||||||||
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Posted by MooseFET on August 9, 2008, 12:00 pm
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> Hi men this is my first post in the wide usenet :)
> > At high school profs gave me basics of the old-useless CUPL language which [...] I prefer ICTPLACE try googling on it and see if you can find a copy out on the internet. Chances are there still is one. It is a DOS program that did 22V10s using a clever bit of ASCII art to show how you have the macrocell configured. It is a plain DOS program with a bit of a point and click user interface. Unfortunately, the company ICT is now long gone. They made a few really great parts and gave away a really good development tool. Later they made a Winplace, but it wasn't as good. They had a problem porting the fairly nice editor into Windows land. The Windows version didn't search. | |||||||||||||
| Similar Threads | Posted |
| CUPL - reliablity and "semi-professional" use | August 8, 2008, 6:01 pm |
| cupl language | September 2, 2007, 7:18 pm |
>
>At high school profs gave me basics of the old-useless CUPL language which
>defines hardware structure of gal and pld.
>Incuriosired i took it up by myself and in a few days i learned all the easy
>language and made some simulations of my virtual devices.
>
>Now (not much later) i've started to actually build some simple circuits
>like
>pwm to control fans speed and i would like to begin implementig my
>CUPL knowledge to give a brief watch on what i can and if pass to a more
>complex hdl BUT..
>
>The CUPL compilers i've tried (wincupl from atmel and the original from the
>cornell university) seem to be too much bugged and unstable even to be
>completely unusable: a stupid error on the code often causes crashes, over
>many others "random" ones that when happen you need to delete all the
>project files and rebuild them and, almost often, correct code is impossible
>to
>be compiled. SO..
>
>Because i don't intend to throw my little knowledge in the WC, and i can't
>go forward to best languages like vhdl and verlilog, i ask HELP! i want to
>speak CUPL but HOW?