Search found 170 matches

by rune
Wed Jan 31, 2018 6:44 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Very, very nice
by rune
Sat Jan 20, 2018 7:33 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

A bit more info on my build. Dont buy the IC "packs" from ebay. I got some new CPLDs from elsewhere the first out the packet programmed immediately. Then the Eprom wasnt recognised in either of my programmers. Another eprom programmed fine. Next the test - lots of coloured squares and the Z80 gettin...
by rune
Sat Jan 06, 2018 4:27 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Hi Claudius, The CPLD programming failed, below is the log file. Can you say if its the file, the programmer or the board that is the problem/ Info (209060): Started Programmer operation at Sat Jan 06 15:20:41 2018 Info (209006): Unrecognized device Error (209001): JTAG ID code specified in JEDEC ST...
by rune
Thu Jan 04, 2018 8:16 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Hi, the Quartus software hadnt installed correctly. Probably my fault. But the links above sorted it out. I've now got to the point where Im ready to try burning the CPLD.... Once I solder on the CLPD socket which just arrived today. Will report back on progress when i get it done, probably at the w...
by rune
Wed Jan 03, 2018 10:10 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

The Library was downloaded, but the exe doesnt seem to be although I think I used the download manager on the page. How do I install the Library? Does the exe pick it up when installing? I dont know if i'll get much more done tonight as Im up at stupid oclock in the morning for work and need to get ...
by rune
Wed Jan 03, 2018 9:56 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Cheers Claudius I got as far as the drivers. Theres nothing in the Quertus folder other than a Common folder. Have I installed the wrong package? There is a folder at the same level called: modelsim_ase and drivers folder inside that. Im installing Flex IT 9 ? drivers just now from C:\altera\13.0sp1...
by rune
Tue Jan 02, 2018 2:25 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Brilliant Claudius, at the moment Im more confused than normal with the choices... A step by step guide will be perfect, don't assume I have any prior knowledge on this.

Thanks

Dave
by rune
Tue Jan 02, 2018 11:40 am
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Hi McKloud, while waiting for the postman I downloaded and installed ModelSim-Altera Starter Edition 13.0.1.232 Is there any chance you could tell me if thats what I need to program the CPLD? If it is what projects/files do I load and what options I use? I only need to know how to program the CPLD j...
by rune
Mon Jan 01, 2018 6:46 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

Thanks McKloud,

I guess I have a few mods to do tomorrow. Brilliant photos and explanations, hopefully I wont be too far behind getting mine working.
by rune
Mon Jan 01, 2018 5:24 pm
Forum: Hardware
Topic: zx spectrum in zx81 case
Replies: 63
Views: 16561

Re: zx spectrum in zx81 case

If I can program mine, Id be happy to do others.

I've downloaded a program for developing the CPLDs, no idea if it is the correct one or not. Suppose I'll know when I get the board finished.