Sinclair ZX80 / ZX81 / Z88 Forums

Wow. I have had plenty of badly packaged items but never one which just wasn’t packaged at all!

Does anyone have a Chroma 81 attached to a zeddy using a vLA81 ULA? My rebuilt zeddy (https://www.sinclairzxworld.com/viewtopic.php?p=27533#p27533) has a vLA81 and when I connect the Chroma 81 I don’t get a screen output. The Chroma works fine on other zeddies. I wonder if it is the fact that it is ...

Welcome back!

Other options are: Fitting 16 / 32K internally (http://8and16bit.blogspot.com/2015/08/modifying-sinclair-zx81-issue-1-pcb-to.html?m=1) Buying a ZXPAND+ next time one is available (https://www.sellmyretro.com/offer/details/zxpand%2B-interface-for-zx81-computer--_-pre-_order%2C-please-see-listing-for-...

I really need to download the colour version of 3D Monster Maze! That looks awesome.

All good, thanks for the help! Impressive device.

@Lardo Boffin, you are wrong.. tap2tzx tool is for zx spectrum, but oric tap does have a different format. First, try testing files from this link, they should load ok: https://gofile.io/d/1IpvdU Second, you should use maketsx from Natalia Pujol or better oric2tsx.php: 1-Maketsx (first convert to w...

@Lardo Boffin, if you have any problems with id14 attached files, check polarity. I had a go but had no idea what I was doing (nothing new there)! 917F3E46-40BF-44D3-B94E-7885A7665479.jpeg I couldn’t find a conversion tool that ran in 64bit windows 7 so downloaded a DOS based converter (TAP2TZX.exe...

@Lardo Boffin, a short status report on Oric support: - TAP support: yes, I have the ideas and time to start on this. Now on vacation, it's one of pending things to do. I bought 2 oric atmos also, I need to feed this hungry beasts :D - they are tzx supported, you can use available tools to convert ...

@Lardo Boffin, you are very ambitious, some years ago I was askinv myseld if this was possible and hw limitations, sd reading library is the main drawback. As you have ecperienced, if you original tape is near 48k your ratko should be good. If not, another option is to use a fast load routine if un...