Search found 1060 matches

by dr beep
Sat Feb 17, 2018 7:51 pm
Forum: Welcome Area
Topic: ANDRE*** is back!
Replies: 11
Views: 182

Re: ANDRE*** is back!

Welcome back.... been missing you!
by dr beep
Fri Feb 02, 2018 3:06 pm
Forum: WANTED
Topic: Missing book page wanted
Replies: 4
Views: 187

Re: Missing book page wanted

And did you see the flaw int to POKEs on page 74?
by dr beep
Thu Jan 25, 2018 11:38 am
Forum: Development
Topic: Moving the margins on the screen
Replies: 2
Views: 199

Re: Moving the margins on the screen

Count the columns in my game AIRPIPES and you have the answer. You can move the text by a column when you alter the value in A just before calling the print from the ROM. Since the ZX81 can handle less than 32 bytes (compressed screen) it can also handle more by just making a screen wirh more column...
by dr beep
Fri Jan 19, 2018 1:32 pm
Forum: Development
Topic: New display engine for games and more
Replies: 11
Views: 506

Re: New display engine for games and more

HI Adam I tried to run it with EO V1.6 and an emulated ZX81 havng 48K ram, but it crashes :( It works with 16K and 32K ram. So it will not work with my real 56K Zeddies???? Siggi The famous 48K bug. I encountered this in a 1K hires game. During display in upper memory an opcode with bit 6 set and u...
by dr beep
Tue Jan 16, 2018 12:40 pm
Forum: GAMES
Topic: New ZX81 Games
Replies: 105
Views: 28554

New ZX81 Games

Name of Software: Longjump Author: Johan "Dr Beep" Koelman Release Date: 16/01/2018 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K, WRX hires Description: Another sportsim. Do a longjump. longjump.png Download link (if available for download): longjump.p Commercial / Public Domain / Freeware...
by dr beep
Tue Jan 09, 2018 9:27 pm
Forum: Development
Topic: Boing boing!
Replies: 16
Views: 8687

Re: Boing boing!

I mean normal hires screen with 6K buffer which will work on ZXMORE.
by dr beep
Tue Jan 09, 2018 2:31 pm
Forum: Development
Topic: Boing boing!
Replies: 16
Views: 8687

Re: Boing boing!

Gameplay is a nice feature with the dropping top.
This can become a 1K hires (or normal to play with ZXMORE ;-) )
by dr beep
Fri Jan 05, 2018 3:14 pm
Forum: Development
Topic: Fast PLOT routine
Replies: 7
Views: 332

Re: Fast PLOT routine

Define PLOT.

Zx81 pixels (4x4) or 1x1 hires.

It is possible to use scanning for parameters.
Assume fullscreen or not. Fullscreen is faster
by dr beep
Fri Dec 29, 2017 8:24 pm
Forum: ZX BASIC
Topic: Who is up for a 1K BASIC challenge?
Replies: 6
Views: 397

Re: Who is up for a 1K BASIC challenge?

I will skip the BASIC since I can do much more in 1K in machinecode.
Even some kind of pixelwise snowingeffect in hires.
(See facebook my firework demo, the routine could be used for snoweffect too)
by dr beep
Mon Dec 25, 2017 11:28 pm
Forum: GAMES
Topic: New ZX81 Games
Replies: 105
Views: 28554

New ZX81 Games

Name of Software: Olympic swimming Author: Johan "Dr Beep" Koelman Release Date: 25/12/2017 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K, WRX hires Description: Swim to become a champion. Each round contestants get better. Set a fastest time too. swim.png Download link (if available for do...