Sinclair ZX80 / ZX81 / Z88 Forums

Let's find out

Is it possible to put the m1not modification in place externally?

Math123 pointed out that the edge connector part that I use is tailored for my application and doesn't work so well with standard edge connector parts. I'm using header blocks which plug into my edge-connector converter. :oops: So.. I spent my lunch time making a new part - and here it is. To use th...

Are you going to be modding your machine? Or keeping it 'virgin'?

I would use a 50-way female connectors on the baseplate - like the ones used on SCSI drives. They're common and cheap. You can prototype on vero and use 90 degree plugs on your cards. Video could be output on the extra pins... My dream interface would be: 32k total ram, eeprom or ram switchable in 8...

Gladly. /me is secretly chuffed that he can offer something Here is a link to the MMC interface that I built: http://www.robsonfamily.dsl.pipex.com/zxraio.sch I thought I still had the eagle-cad library that I made for the edge connector but sadly that's gone the way of the dead harddrive. You can h...

Good lighting is also necessary when taking PCB pix. The one here http://arduinonut.blogspot.com was taken by sticking the PCB to a cupboard door :) Other times I use a worklamp pointed onto the board so the shadows from the camera doesn't interfere. Another trick I use is a slower exposure whilst h...

Was it the April 1st issue, Gus?

I think I know why this isn't working - there is some test code which needs to be removed. I'm sorry but it looks like everyone will have to await the next release.

Gah - should have googled 1st ;) See: QSave - http://zx81stuff.org.uk/zx81/generated/tapeinfo/q/QSave.html This doesn't have a pc-based encoder. It should be possible to work backwards from the z80 code though. HiLoad on the other hand - http://www.zx81.megahospedagem.com.br/files/hiload.zip Does ha...