Sinclair ZX80 / ZX81 / Z88 Forums

Is this Going to be available soon I hope Again .. Regards Mike

Hello.. I ran accross a interesting Webpage last night that could by those who know how, maybe turned into a ZXproject.. I am posting the Site in hopes someone may like to turn it into a type of ZXcore.. The main board can be had on The Bay for around 17.00 USD free shipping .. this could be a cheap...

The ULA does get pretty hot normally.. The screen shot Looks like a memory issue. or I have seen some memory issues do that,, but could be wrong,, Open the computer back up and with the power off carefully with a small flathead screw diver lift up each IC off its socket and re-seat with a little wig...

Thank you sirmorris .. you will notice a bit of your hardware hiding behind the ZX81,, Thanks.... after an extended illness lasting over a year.. I have returned to my favorite little computer,,, I just burned a new eprom with version 6.6 and upgraded the firmware to 2.2 .. I didn't realize this had...

So how has this project come along,,, I am defiantly interested in an interface..

Mike

More Pictures...If you can't tell by the pictures PM me and I can give you the connections from the keyboard to the ZX81 PCB..

Mike

Hello again.. It took awhile to get back. I finialy finished the mods/case.. I took a Ti-99/4 that didn't work that I bought at a flea market. for 5 usd... and converted the keyboard and case into a great looking ZX81.. I cut the case with a metal cutting bandsaw to the proper size and saved the end...

In answer to your Question on modifying a Proper keryboard.. I just did a Ti-99/4a keyboard.. it didn't take but a couple of hrs.. The Keyboard is more comparable than I had first believed .. the 8-1/2 rows are already wired together and the 5 columns are also.. you need only to cut a few traces and...

Great Count me in...

Mike

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