Sinclair ZX80 / ZX81 / Z88 Forums

With this quality one can think to write a mod tracker player to run on bare old hardware!
Just sample size might be a bit limited but 16K or 32K might suffice for very nice songs!!
Where to find the schema for the "couple of resistor" assembly?

If you follow this thread I think this event might be interesting: https://lovebyte.party/

In Doom you kill monsters, not really people, and maybe I'm the second, but believe me there will be a long line if just people would believe like me that you can do it!!

The sky's the limit!!
Super Johan!!!
Waiting for the Doom porting to the 1K!!!!

https://code.google.com/archive/p/otla/wikis/ProyectoOtla.wiki still works with chrome. Thanks Paul! My browser was blocking some scripts and now is just slightly broken but fully readable and very interesting! Looking at the source I anyway found out that despite the speed it reaches, it is not us...

Moggy wrote: ↑Thu Jan 28, 2021 3:09 pm In his book "Advanced programming for the ZX81" author Mike Costello shows one such method.

The listing 8.3 is the routine to read 1 byte from cassette (c is the byte read)

Seems there is an utility called OTLA able to speed up a lot the "standard" loading! Here is a video showing it working on a ZX81 https://www.youtube.com/watch?v=zDtySKE9nKU&t=1420s PS: I see that it was already mentioned and used here in this forum, but I was trying the mentioned websites but seems...

From article like this one https://retrocomputing.stackexchange.com/questions/1742/why-did-sinclair-choose-the-z80-for-its-range-of-home-computers seem Clive selected Z80 not to invest too much on the video part, but reading other ones (that I found while researching about KIM-1 and video generation...

Not sure if this website can help: https://ws-nbg.de/zx81/main.php

Seems to offer schemas for an external EPROM to run (e.g. the v3.0 seems very simple circuit!)

Forget tapes, my doughter didn't even know what a 3.5" floppy disk was when I showed to her!! (a 3d printed "save icon"?) LOL