Sinclair ZX80 / ZX81 / Z88 Forums

Ok, only the diagonal lower line: looks good:
And now: bad:

A different ZXNU and LCD:
left circle flickers like on CRT

I used a LCD monitor and an old CRT TV.
Pressing p did change the pic seen on the monitor, but the upper right faces still look ugly.
On CRT, the left upper circle flickers, but not on LCD

Moggy wrote: ↑Tue Apr 30, 2024 5:12 pm Your screenshot seems not to match Stefano's.

That is the differene of AI (artificial incompetence) versus reality

Works as expected on my ZX81NU (56K, M1NOT active):
Siggi

The objective of these articles was to try to demystify a little the idea that Forth is a complicated and inaccessible language for most mortals. In fact, for those who allow themselves to venture into their fields, Forth is a fun and very stimulating language for the brain, as it forces us to thin...

?
the 2 programs seem to contain only the instructions, no more ...

Moggy wrote: ↑Sun Mar 10, 2024 10:35 am Yes it does.

Example.

." some text "

This is the standard way to print text in Forth.

I would have expected that:

. "txet emos "

You should use Schottky diodes to pull TTL signals to low!

The diodes and the resistor can be soldered directly to the pins of the connector:

https://forum.tlienhard.com/phpBB3/down ... hp?id=8612

(Perfectly viewable on a 22" monitor)

Wilf Rigter has written programs, which use hires display in the upper screen area and text mode in the lower area.
So everything is possible, when using a ZX81, but somebody needs to do it