Search found 6 matches
- Tue Jul 14, 2020 11:33 pm
- Forum: ZX BASIC
- Topic: ZX80 Character position
- Replies: 3
- Views: 6836
ZX80 Character position
Hi, I have been reading a book called The Turing Criterion: Machine Intelligent Programs for the 16K ZX81. It includes a line on how to poke a character into a specific position on the screen. It says it works for both the ZX80 and ZX81, and is similar to PRINT AT for the ZX81 . The line is: POKE Y*...
- Thu Mar 14, 2019 7:21 pm
- Forum: Software
- Topic: Happy pi day - March 14th
- Replies: 5
- Views: 6933
Happy pi day - March 14th
It was reported today that the record for pi is 31 trillion digits. I don't know if this has been established already, if not, as a pi day challenge: What is the most accurate approximation of pi that can be calculated using either the expanded or unexpanded ZX80? Here are some suggestions for calcu...
- Thu Jan 04, 2018 3:57 pm
- Forum: Hardware
- Topic: ZX81 monitor
- Replies: 39
- Views: 17771
Re: ZX81 monitor
Hello,
Although not a very practical solution to analogue display, there is an all Sinclair solution with a Sinclair Microvision TV.
Huw
Although not a very practical solution to analogue display, there is an all Sinclair solution with a Sinclair Microvision TV.
Huw
- Sun Aug 13, 2017 11:38 pm
- Forum: Hardware
- Topic: ZX80 with red LED?
- Replies: 1
- Views: 1506
ZX80 with red LED?
Hi, A well known auction site is listing a ZX80 with a red LED on the upper front panel. Although I presume it is a non standard post sale modification, did any version of the ZX80 come with a LED? Not that I intend to modify mine, is there a source describing possible ZX80 modifications? Thanks. H
- Wed Apr 13, 2016 11:36 pm
- Forum: Hardware
- Topic: Taking care of a ZX80
- Replies: 5
- Views: 2321
Re: Taking care of a ZX80
Thank you.
I want to keep it in its original state (and I am not sufficiently adept with a soldiering iron to contemplate any modifications). Like RetroTechie suggested I intend to use an emulator rather than the original.
I want to keep it in its original state (and I am not sufficiently adept with a soldiering iron to contemplate any modifications). Like RetroTechie suggested I intend to use an emulator rather than the original.
- Wed Apr 06, 2016 10:23 pm
- Forum: Hardware
- Topic: Taking care of a ZX80
- Replies: 5
- Views: 2321
Taking care of a ZX80
Hello, I have recently purchased a ZX80 and would like some advice about how best to store it and take care of it long term. I am concerned about the potential for dust and condensation to enter via the expansion port and the risk of over heating. For storage I have thought about using a tupperware ...