Talk:ZX80
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Does anyone have any information as to how many of these were made? That would be good extra information for this page.—Precedingunsigned comment added bySirfurboy (talk •contribs) 13:21, 19 January 2006
That's the impression the article gives to me, but the TK85 was really a clone of the ZX81. --CronoT 21:01, 7 March 2006 (UTC)
so stylish --Midnighttonight07:47, 25 May 2006 (UTC)[reply]
How much would the £99.95 price be today adjusted for inflation? -- anon—Precedingunsigned comment added by71.187.51.219 (talk)22:46, 22 March 2008 (UTC)[reply]
Depends what data you use for comparisons. If you use RPI then GBP 99.95 in 1980 is worth approximately GBP 310 in 2008. If you use average (UK) earnings, then it is worth about GBP 480 in 2008. Simon 4/9/08—Precedingunsigned comment added by217.198.33.252 (talk)12:25, 4 September 2008 (UTC)[reply]
This is Money website has a historic inflation calculator[1]. From this £99.95 in 1980 is worth £457.06 today.Derekjc (talk)12:38, 2 August 2016 (UTC)[reply]
References
I'd always thought that this (in)famous claim originated with the ZX81, but no: the ZX80 ad reproduced at the bottom ofthis page mentions in its first column that you can use a ZX80 "to do quite literally anything from playing chess to running a power station".86.136.250.66 (talk)16:17, 9 September 2008 (UTC)[reply]
Its a very basic bit of marketing - people don't take things at face value, they interpret what they want to hear. The phrase "with a ZX80 you can run a power station" is no different to saying "with a Blackberry I can run my business" - that doesn't mean that all I need to do to run my business is switch my Blackberry on, and then go and take a nap! You can run a power station without any computers at all - in the days before computers were invented thats how power stations worked! So you could certainly run one with a rudimentary computer like the ZX80. Would you need to use other things too? Of course, but then the claim never said you wouldn't..........—Precedingunsigned comment added by217.198.33.252 (talk)12:21, 23 December 2008 (UTC)[reply]
We really need a reference which includes the term "ZX80". The fact needed is that the TV typewriter had something to do with the history of the ZX80, not that the TV typewriter existed. Otherwise, this isoriginal synthesis.Chris Cunningham (not at work) -talk16:17, 26 November 2008 (UTC)[reply]
The entire system was about the size of two paperback books placed beside each other.
Is this a new scientific standard I'm not aware of? The distance to the moon is 2.3million Penguin Classics?Dimensions should be moved to the statistic/facts box in the top right and should be in Wiki/SI recommended format.Moozaad (talk)17:00, 1 December 2008 (UTC)[reply]
The 8K BASIC ROM was announced on September 11th 1980, and demonstrated at the 4th Personal Computer World show where two ZX80s were displayed with the upgrade fitted.[1]— Precedingunsigned comment added by92.3.238.98 (talk)06:40, 17 April 2014 (UTC)[reply]
Can anyone find a British advert for the ZX80 showing the prices for the kit and built versions? I have added a citation to a ZX81 advert that gives the prices of the ZX80 as well as ZX81. There is also already a citation for a US advert showing the dollar price. It would be better if we had a UK ZX80 advert though.
"(unless one counts the MK14)"
Why are we not counting it? Because it was kit-only? I know the ZX80 was marketed at the first < £100, but it's confusing to me why we would phrase it like this.
Makes sense!
There is a statement that "with 1 KB RAM, running a 990 byte program would result in only one row of characters being visible on the screen; a full screen (32×24) would leave only 384 bytes to the programmer". I think the number 384 is not correct. 1 KB RAM is 1024 bytes. 32x24 symbols on the screen is 768 bytes. For programs no more than 1024-768 = 256 bytes remains. Not including the 25 end-of-line characters that the display file requires to work correctly and 40 bytes of the BASIC interpreter system variables. So actual number of bytes is probably less than 200. --Avivanov76 (talk)18:58, 2 August 2019 (UTC)[reply]
Is there a reason the lead picture doesn't have one of these? The size constraints of the 4KiB ROM meant that users had to type eight mathematical functions in, character by character, and the case had those on a sticker just above the right hand side of the keyboard (see the other picture). It's in Sinclair's ads, so why not the main picture for the article?Lovingboth (talk)14:54, 2 October 2021 (UTC)[reply]
