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by mrtinb
Wed May 29, 2024 6:54 am
Forum: Welcome Area
Topic: Greeting from the UK. Coding again for the Zx81
Replies: 2
Views: 64

Re: Greeting from the UK. Coding again for the Zx81

Welcome to the forum. Great to see new content.
by mrtinb
Thu May 23, 2024 1:59 pm
Forum: Development
Topic: Mushroomman ZX81
Replies: 25
Views: 1263

Re: Mushroomman ZX81

I found the online version and played it, and now I tried your version.

Wow! This is a great game. I like it!
by mrtinb
Fri May 17, 2024 6:06 pm
Forum: Hardware
Topic: External board for SPonZY (and other ZX81 ROMs)
Replies: 1
Views: 343

Re: External board for SPonZY (and other ZX81 ROMs)

That look great. I also designed an internal board to shift between ROMs on the Lambda 8300 (Original ROM, Color ROM and ZX81 compatible ROM). However I have never tested it, as I have more ideas than time to implement them. (I need to get my ZX81 inside Minitel project finished, and I'm also workin...
by mrtinb
Sun May 12, 2024 2:49 am
Forum: Spectrum BASIC
Topic: New Pascalated BASIC Contest
Replies: 4
Views: 414

Re: New Pascalated BASIC Contest

Don't get me wrong. I love the Pascalated Basic, and use it in a modified form on my ZX81. The new version that is compiled is great for Spectrum users I think.
by mrtinb
Sat May 11, 2024 9:15 pm
Forum: Spectrum BASIC
Topic: New Pascalated BASIC Contest
Replies: 4
Views: 414

Re: New Pascalated BASIC Contest

From what I see with the compiler, this is only for the Spectrum, and not the ZX81.
by mrtinb
Sat May 11, 2024 7:46 am
Forum: Software
Topic: ASM : Lambda speaker.
Replies: 5
Views: 912

Re: ASM : Lambda speaker.

Also know that the Lambda 8300 came in two different ROM versions. The first version was almost a pure ripoff of the ZX81, and the company got sued. Then they released a new ROM where a lot of routines were moved to other locations and they added support for color if you bought an extra Lambda Colou...
by mrtinb
Sat May 11, 2024 7:36 am
Forum: Software
Topic: ASM : Lambda speaker.
Replies: 5
Views: 912

Re: ASM : Lambda speaker.

Hi. As you probably already found out, this URL has the best source for the Lambda 8300. problemkaputt.de/zxdocs.htm#lambda8300 There also exists a Lambda 8300 ROM disassemble scanned book in German. This however I cannot find at the moment. The info about TAP format sounds wrong. The Lambda 8300 fo...
by mrtinb
Fri May 03, 2024 12:59 pm
Forum: SALES
Topic: 2 cheap Lambda 8300 on eBay
Replies: 5
Views: 2391

Re: 2 cheap Lambda 8300 on eBay

When I have previously needed to buy in Germany, where the seller would not ship out of the country, I have used this service:

https://www.mailboxde.com/shipping-calc ... orVysledky
by mrtinb
Fri May 03, 2024 11:26 am
Forum: SALES
Topic: 2 cheap Lambda 8300 on eBay
Replies: 5
Views: 2391

Re: 2 cheap Lambda 8300 on eBay

Now there exists another very cheap Lambda 8300 on eBay, just for your information.

I am not associated with the sale.

I am interested in more people using this machine however.

https://www.ebay.de/itm/335375016874
by mrtinb
Tue Apr 30, 2024 10:18 pm
Forum: Hardware
Topic: RAM Packs Alternatives?
Replies: 30
Views: 2908

Re: RAM Packs Alternatives?

Paul wrote: Tue Apr 30, 2024 3:35 pm Have you cleaned your edge connectors of the zeddy? Can you please post a macro photo of your zxpand connector ?
20240430_221140.jpg
20240430_221240.jpg