Sinclair ZX80 / ZX81 / Z88 Forums

Ha I see so when declaring variables for example such as,LET A=0,LET B=0 etc the six byte overhead that using a zero causes can be saved by using the full stop instead.

You might want to post this on the German ZX forum too as there is a lot of ZX80 interest on that forum,some of their members do look here occasionally as well.

https://forum.tlienhard.com/phpBB3/view ... hp?f=2&f=2

Taken from a PDF I've been reading Saving Memory on the Sinclair ZX81Sean A. Irvine Hamilton, New Zealand. "Another oddity is that an isolated period (.) is a valid representation for 0 on the ZX81.Therefore, it was possible to go through a program after it was written and compress out all but one o...

Bloody lovely!

A ZX80 ready for business, nice one JonnyGee.

kiváló!

My EPROM burner is ready!

Another one of the type in games that XavSnap has been contributing. This one is called DANGERMAN and from what I can make out it seems you are a jolly riveter climbing all over the site hammering home the rivets to earn an honest days pay whilst looking out for the wind that can blow you away. Curs...

Another one lives well done Mikeyp.

Add a switching reg to it and it will run a damn sight cooler and should last for ages.

Partial pascal readily available but unfortunately no manual.

Lardo Boffin wrote: ↑Sun Nov 22, 2020 7:18 pm Always interesting to see another comp mod board. It also always makes me wonder how Pokemon can do such a good board for so little!

I think it's because he doesn't do it for profit and only covers his costs.

I have no link to seller just thought it may be useful.

Does not say whether back porch generated but as the sample picture shows 158c ULA then would assume it does.

https://www.ebay.co.uk/itm/ZX81-Composi ... SwLAtfuWl7