Search found 138 matches
- Sun Sep 12, 2021 8:47 am
- Forum: Hardware
- Topic: MZ-80K where to start to repair
- Replies: 17
- Views: 7334
Re: MZ-80K where to start to repair
A useful tool is this memory tester, I bought one a while back and is a great help https://www.ebay.co.uk/itm/124726020732?hash=item1d0a400a7c:g:mJEAAOSwbldhCuZO. If you have an eprom programmer, write a small test program to write characters to VRAM without using Stack, ie. ORG 0000H LD HL,0D000H L...
- Sat Sep 04, 2021 10:54 am
- Forum: Hardware
- Topic: MZ-700 Blank Key.
- Replies: 35
- Views: 14122
Re: MZ-700 Blank Key.
Sure, just PM me an address and will post it to you. I wrote an extension to my monitor program TZFS which allows me to read/write all the MZ format cassettes on the MZ-700 data corder. I needed this for the MZ-80B/2000/800 as they use different speeds/specs and it showed how sensitive the tape spee...
- Thu Aug 19, 2021 9:52 am
- Forum: Buy/sell
- Topic: MZ-700's for sale
- Replies: 7
- Views: 5517
Re: MZ-700's for sale
Took a while to respond as I needed to see what I had left regarding parts. I dont have any more v2.1 cards made up or indeed the parts to make one but I do have the v2.0 board below which I can send f.o.c., just PM me you address and I can send it over. The v2.0 is identical to the v2.1 except the ...
- Tue Aug 17, 2021 5:40 pm
- Forum: Buy/sell
- Topic: MZ-700's for sale
- Replies: 7
- Views: 5517
Re: MZ-700's for sale
I guess if you got caught up in the Amiga world it would be something akin to PC's where you always had to have the latest and most powerful even if you didnt need it! My projects were never really meant for sale and what I've sold to date has been at cost (all costs on my website as BOM), interesti...
- Tue Aug 17, 2021 11:04 am
- Forum: Other
- Topic: Text To Speech
- Replies: 23
- Views: 14496
Re: Text To Speech
Examples? Most things are possible if you dedicate enough time but I havent seen it on a Sharp MZ, not to say there isnt some game which like Robotron makes a hoarse speech like sound but havent seen anything like the OP put up which is pure software.
- Tue Aug 17, 2021 11:01 am
- Forum: Buy/sell
- Topic: MZ-700's for sale
- Replies: 7
- Views: 5517
Re: MZ-700's for sale
Not sure I understand your comment - never owned and never had the desire to own a Commodore (VIC20,64,Amiga etc), always Sharp, I briefly used a QL and recently owned a BBC.
- Tue Aug 17, 2021 10:00 am
- Forum: Other
- Topic: Text To Speech
- Replies: 23
- Views: 14496
Re: Text To Speech
This thread reminded me of a project during the uni years where I computerised my car with interconnected microcontrollers at each control cluster (ie. rear light cluster, front cluster etc). One of the boards was for speech and indeed used the GI SP0256 device, pictured below. It was tricky putting...
- Tue Aug 17, 2021 9:26 am
- Forum: Buy/sell
- Topic: MZ-700's for sale
- Replies: 7
- Views: 5517
MZ-700's for sale
I have a few Japanese MZ-700 machines and two European MZ-700 machines for sale if anyone is looking for one, all cleaned up and running well. I'm willing to sell for 15% less than the Ebay price directly (via paypal) - or just make me an offer and if it is reasonable then a deal can be made. I boug...
- Sat Jul 24, 2021 12:47 pm
- Forum: Hardware
- Topic: Any way to improve the screen brightness of an MZ80B
- Replies: 6
- Views: 3100
Re: Any way to improve the screen brightness of an MZ80B
Just to close the above, after studying a lot of articles, it is a common issue with Bipolar parts made today compared with 40years ago. Panasonic, Nichicon etc are all the same, small, higher (than vintage parts) ESR and susceptible to ripple currents. Nichicon do make some lower ESR parts but the ...
- Thu Jul 22, 2021 10:29 am
- Forum: Hardware
- Topic: Any way to improve the screen brightness of an MZ80B
- Replies: 6
- Views: 3100
Re: Any way to improve the screen brightness of an MZ80B
Almost as if I tempted fate, I was using my MZ-80A and the screen, horizontally, started compressing followed by a bang! On investigation it is C2017, the 10uF/25V bi-polar electroytic on the horizontal deflection circuit that has popped. These were Panasonic parts from RS but much smaller in size t...