Sinclair ZX80 / ZX81 / Z88 Forums

Something like this?

I am thinking on making it larger

first screen from Meteor Storm.

Still some data to see how it fits, but it is a start.

BTW : I have the ZX81, Timex and keyboard (must get it from a collegue, but it is mine)

To be honest,

all ZX81 users are spoiled the last years.

Bob moved to ZX81 from ZX Spectrum and I am too.
(I still hear them wheap over the loss of Bob at Wos)

While awaiting my ZX81 (searching Ebay and Marktplaats, almost finished) to check PONG and SALOON CITY on real machines and make the code fitting, I started thinking of coding Meteor Storm. I have been working on the screenroutine for 2 weeks, but coded nothing in MC yet. I was only calculating how ...

One more question, how is memory mirroring handled ? In ROM bit 15 is simply set to execute memory. Is this the same handling for starting hires ? So if hires buffer is in lets say $5000 will this be executed at $D000 ? So if hires buffer is in lets say $9000 will this be executed at $9000 ? Bit 15...

One more question, how is memory mirroring handled ? In ROM bit 15 is simply set to execute memory. Is this the same handling for starting hires ? So if hires buffer is in lets say $5000 will this be executed at $D000 ? So if hires buffer is in lets say $9000 will this be executed at $9000 ? Bit 15...

Most routines just make a buffer which displayed by its own displayroutine. In effect you just have 1 rule, the buffer must start at a 32 boundary to make it fit the R-register. See for some possibilities http://www.user.dccnet.com/wrigter/index_files/ZX%20Video%20Tutorial.htm Most common is to set ...

Just sent the AGREED-mail, now waiting response!

http://computer-software.marktplaats.nl ... mpack.html

I got an offer for 50 euro, but I only need the ZX81 for the hires games. So, anyone interested in the rest?
Should I do it?

Video for SALOON CITY

http://www.youtube.com/watch?v=PHJGzVUz ... e=youtu.be