Sinclair ZX80 / ZX81 Forums

El voilà Danjovic, the full article!
It is in Portuguese, but it is not difficult to understand.
To switch the display from normal to inverse, it is used POKE 65500.

Greetings.

Hi, Simon.
The new look of the pages is great! Congratulations, good job!

P.S. The page dedicated to the program Video-AD (this here) seems to have some problem. Does not show previews and are not seen the images.

Beautiful! Sirmorris you're right. The red character on a black background smashes!!! :mrgreen: Good job, Danjovic! :) You could attempt to add a circuit like this (or similar): de-um-poke-e-inverta-seu video-3.jpg So the colors could be managed from BASIC. If you need, I have the full article. ;)

Download here, as with SALOON CITY both .P and .WAV

I'm confused... I am mistaken or, is missing the downloading of PONG?

Wow that explanation, I'm speechless! :shock: Congratulations also to the work of reverse engineering! :mrgreen: I have a sound card that works connected to a card with 8 outputs (card that I have to rebuild) very similar to your. So I said to myself, why not build a card like yours. So much the fun...

The middle one, bomber, looks like a 1K type-in that was in Your Computer.

It was called B-52 Bomber in the September 1982 issue:

http://magazinesfromthepast.wikia.com/w ... Vol.2_No.9

...Also City Bomber...
Wow is very similar... but not the same...
Thanks for help

Hi. Mark I have read the thread that you reported, and as I understand it, each output has its "weight". So, correct me if I'm wrong: out1=1; out2=2; out3=4; out4=8; out5=16; out6=32; out7=64; out8=128 Therefore to activate all outputs, I must write: POKE 65535,255 Instead, if I want to activate (fo...

Thanks for the answers... :) Maybe there aren't any, as in: they don't exist? :? Quoting from: http://www.zx-gaming.co.uk/index.aspx I know the website, and I'm pretty sure that the games in question are of the '80s. Probably were compilations of games, for example FUNGALOIDS was in CASSETTE 4, publ...

Hi,
I'm looking for a long time these games, but without results.
I know there are playable versions for browsers, but I could never find anything for emulator or for real ZX81.
Can you help me?
Thanks.

Hi,
Forgive my curiosity, which memory areas occupies this interface?
Thanks.