Search found 1316 matches

by Andy Rea
Sat Feb 17, 2018 3:50 pm
Forum: Emulators
Topic: New release of EightyOne available
Replies: 133
Views: 10280

Re: New release of EightyOne available

Fruitcake wrote:
Sat Feb 17, 2018 2:05 pm

It might be that the dialog is being displayed but is just appearing off screen. If so then with TV Emulation ticked try: View > Gather Windows
exactly this worked for me, Thanks Paul.

Regards Andy
by Andy Rea
Sat Feb 17, 2018 10:33 am
Forum: Welcome Area
Topic: ANDRE*** is back!
Replies: 9
Views: 117

Re: ANDRE*** is back!

Welcome back to the mad house world of ZX81
by Andy Rea
Tue Feb 06, 2018 11:34 pm
Forum: Development
Topic: Plot function in z88dk
Replies: 21
Views: 717

Re: Plot function in z88dk

here we go again new function added zx_point int zx_point(short x, short y) tests the point at x,y return 1 is set , 0 if unset zx_plot altered somewhat but usage remains the same as before common code used by both functions now reside in a third function that should not be called from C it contains...
by Andy Rea
Tue Feb 06, 2018 1:30 pm
Forum: Development
Topic: Plot function in z88dk
Replies: 21
Views: 717

Re: Plot function in z88dk

Thanks once more, the parameterised function works great as well. just thinking about this... probably already functions out there but a Bresenham line and circle function would go nice with this. And maybe more important: a function that checks whether there is a plotted pixel at (x,y), we could c...
by Andy Rea
Mon Feb 05, 2018 10:41 pm
Forum: Development
Topic: Plot function in z88dk
Replies: 21
Views: 717

Re: Plot function in z88dk

just thinking about this... probably already functions out there but a Bresenham line and circle function would go nice with this.

Andy
by Andy Rea
Sun Feb 04, 2018 6:35 pm
Forum: Development
Topic: Plot function in z88dk
Replies: 21
Views: 717

Re: Plot function in z88dk

Just a little rejig of the assembler to make it a few bytes shorter, functionally the same as last post. // found at https://www.z88dk.org/forum/viewtopic.php?id=6271 // Contributors: swensont, siggi, Timmy, alvin #include <stdio.h> #include <zx81.h> // alvin: "It's faster to pop them or use HL to w...
by Andy Rea
Sun Feb 04, 2018 2:51 pm
Forum: GAMES
Topic: Oh no not again - ZEDRAGON II
Replies: 17
Views: 546

Re: Oh no not again - ZEDRAGON II

Well the story started way back in 2011 ( i think ) over a beer 🍺 at a ferry terminaln somewhere in France waiting to come home from that years zx-team meet in germany, the seed was planted and many initial ideas rejected because of clock cycle constraints... Over the months that followed i had conv...
by Andy Rea
Sat Feb 03, 2018 10:54 pm
Forum: GAMES
Topic: Oh no not again - ZEDRAGON II
Replies: 17
Views: 546

Re: Oh no not again - ZEDRAGON II

hehe i remeber that... was easy to get to the end :lol:

and we all ( well me, you and captain Moggy ) thought that was ace... little did we know then how slick it would turn out
by Andy Rea
Sat Feb 03, 2018 10:35 pm
Forum: GAMES
Topic: Oh no not again - ZEDRAGON II
Replies: 17
Views: 546

Re: Oh no not again - ZEDRAGON II

its true... but look how far its come from whole character scrolling to this absolute master piece... you have taken a pigs ear and created a silken purse
by Andy Rea
Sat Feb 03, 2018 10:19 pm
Forum: Development
Topic: Plot function in z88dk
Replies: 21
Views: 717

Re: Plot function in z88dk

once again straight from the notepad, further investigation into my previous attempt at combining plot and unplot into one function ended up with some illegal bytes been put into D-file, its all fixed up now and its 3 function to boot... PLOT , UNPLOT and XOR-PLOT zx_plot( short x, short y, short pm...