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General Category => NC100, NC200, PCW, PDA600 - the rest of the Family! => Topic started by: derek on 22:14, 11 July 22

Title: NC100 Repair
Post by: derek on 22:14, 11 July 22
Hi,

I got a NC100 from eBay, which was supposed to be faulty, which was great as I like repairing computers.

But after looking atbthe circuit board, I noticed that someone had removed the ROM chip and been a little hand-fisted in inserting, crushing a pin on the ROM, once the pin was straightened and the ROM inserted in the socket the NC100 started up and is working okay.

So I have a working NC100, what can I do with it?
Title: Re: NC100 Repair
Post by: eto on 07:43, 12 July 22
Quote from: derek on 22:14, 11 July 22So I have a working NC100, what can I do with it?
That's the right attitude. Buy first, then think about what you can do with it ;-)

Looking at my "retro" cabinet, that happens pretty often to me too.
Title: Re: NC100 Repair
Post by: jimmyd on 08:24, 12 July 22
Quote from: derek on 22:14, 11 July 22So I have a working NC100, what can I do with it?
Start programming for it... There is not too much software for the machine so there is a lot of places you can begin.
I tried my hand at a monitor/debugger for the NC100 (https://github.com/JimmyDansbo/NC100Monitor), but it probably needs a complete rewrite to be any kind of useful.
Title: Re: NC100 Repair
Post by: derek on 10:54, 12 July 22
Quote from: eto on 07:43, 12 July 22
Quote from: derek on 22:14, 11 July 22So I have a working NC100, what can I do with it?
That's the right attitude. Buy first, then think about what you can do with it ;-)

Looking at my "retro" cabinet, that happens pretty often to me too.
Well , I like repairing retro computers, they are usually sold on to people who like to play old games 

I used also like programming computers in assbler, mainly Sinclair, so Z80 programming is fairly straight forward.

Is there an sssembler for the NC100?
Title: Re: NC100 Repair
Post by: jimmyd on 10:57, 12 July 22
Quote from: derek on 10:54, 12 July 22Is there an sssembler for the NC100?
I use RASM, it is not specifically for the NC100, but it is for the Z80.
https://github.com/EdouardBERGE/rasm
Title: Re: NC100 Repair
Post by: genesis8 on 12:27, 12 July 22
If you dont know yet this site : Ncus (https://www.ncus.org.uk/index.htm)
Title: Re: NC100 Repair
Post by: pelrun on 16:03, 12 July 22
There's actually an assembler built directly into the nc100's BBC Basic, which in some respects is probably easier to deal with, although it's also easy to lose your work when you crash the unit and have to do a hard reset...

https://www.bbcbasic.co.uk/bbcbasic/mancpm/bbc3.html
Title: Re: NC100 Repair
Post by: derek on 16:07, 12 July 22
Quote from: pelrun on 16:03, 12 July 22There's actually an assembler built directly into the nc100's BBC Basic, which in some respects is probably easier to deal with, although it's also easy to lose your work when you crash the unit and have to do a hard reset...

https://www.bbcbasic.co.uk/bbcbasic/mancpm/bbc3.html
Hi

Thank you for the information, I just realised this myself.

I looked at the manual in the link, looks similiar to the Z88 BBC Basic and I done a bit of assembler on a BBC Micro
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