Sinclair ZX80 / ZX81 / Z88 Forums

Really interesting. Thanks for sharing.

Name of Software: QDepthCharge Author: Paul Daniels Release Date: 13/04/2023 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K lowres Commercial / Public Domain / Free ware / Other - please specify? Freeware Description: QDepthCharge While patrolling you patch of sea you are told to be on the l...

Amazing! It makes what I am doing look like Kindergarten stuff.

Hi, my original post has now been updated with v1.1 of QMeteors which works with edition 1 and 2 of the ROM.

Also, if you are willing to let HL = DE after the call, then "jp $A6E" will work too.

In my last post I meant to put "push hl ; jp $A6F".

Hi,

My solution was to replace it with this "push hl ; call $A6F". Works with editions 1 and 2 for the price of a byte (which gets overwritten anyway).

I'm I able to update the file I previously uploaded or should I reupload?

Thanks Fruitcake, I'll look into that.

Name of Software: QMeteors Author: Paul Daniels Release Date: 20/01/20223 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K lowres Commercial / Public Domain / Free ware / Other - please specify? Freeware Description: ** V1.1 Updated to work with editions 1 and 2 of the ROM ** Travel through th...

Thanks Dr Beep, thats great seeing it written up. When I wrote QFrog, the displayfile was loaded as part of the program so I didn't have to set it up or need a CLS routine. Useful when writing games with a set playing field. Another trick I used is to use a screen width which is easy to multiple wit...

Always amazed what you are able to get out the humble 1k zx81. Also enjoy reading your updates on seeing your screenshots on the forum.