Search found 1211 matches

by dr beep
Mon Nov 11, 2019 8:41 am
Forum: Development
Topic: USCII, the User Specified Character Integrated Interpreter
Replies: 10
Views: 1636

Re: USCII, the User Specified Character Integrated Interpreter

With this software you can create 25 custom characters. So this is not full graphics for the whole screen. Download the demo game dogcatch.p, and modify it with your own custom characters. Start to get comfortable with this. After that you can modify the game from there into your own ideas. Which, ...
by dr beep
Mon Nov 11, 2019 8:38 am
Forum: Development
Topic: USCII, the User Specified Character Integrated Interpreter
Replies: 10
Views: 1636

Re: USCII, the User Specified Character Integrated Interpreter

Crayon21 wrote:
Mon Nov 11, 2019 4:26 am
How would i use this with a sprite sheet?

For instance, how would i make a straight line?
The manual is quite clear in that. Together with the first video you can see how to define a User Specified Character.
by dr beep
Sun Nov 10, 2019 9:11 pm
Forum: Software
Topic: Thoughts on Mond
Replies: 15
Views: 417

Re: Thoughts on Mond

dr beep wrote:
Thu Nov 07, 2019 10:19 am
Downloaded it, but it did'nt start. No time yet to check why not.
Downloadlink is less then 3Kb so how could it be a 48K game?
by dr beep
Sun Nov 10, 2019 9:59 am
Forum: ZX Spectrum Lounge
Topic: X and Y
Replies: 27
Views: 3071

Re: X and Y

UDG card is an extra PCB that connects to the ZX81. The most common from the time of the ZX81 had various “UDG” in ROM. But the same PCB could have a RAM chip, and then you could design your own UDG. One limitation was that either the extra ROM or the extra RAM based UDG characters completely repla...
by dr beep
Sun Nov 10, 2019 9:54 am
Forum: ZX Spectrum Lounge
Topic: X and Y
Replies: 27
Views: 3071

Re: X and Y

I'm trying to create a pong clone for the zx81. how do i get the graphics to move (I.E Like in 3D monster maze except this is 2D) ? I want to map the up and down keys to W and S or Up and Down respectively. any help would be appreciated. trying to fit in 2k 2K must fit. I did it in 1K and hires. ht...
by dr beep
Sun Nov 10, 2019 9:52 am
Forum: ZX Spectrum Lounge
Topic: X and Y
Replies: 27
Views: 3071

Re: X and Y

Make the bats with a leading and ending blanc, then you don’t need to erase the bat on movement. For speed use PRINT AT, also for ball but calculate which graphic is needed (4 possible). You need to erase the ball before reprinting because it can move to another position. Do not print ball on the ba...
by dr beep
Sat Nov 09, 2019 5:44 pm
Forum: GAMES
Topic: New ZX81 Games
Replies: 152
Views: 110060

New ZX81 Games : GAME 68 in 1K hires

Name of Software: Monkeyboard Author: Johan "Dr Beep" Koelman Release Date: 08/11/2019 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K hires Description: Catch the monkeys by typing the coordinates monkey.png Download link (if available for download): monkey.p Commercial / Public Domain / Fre...
by dr beep
Thu Nov 07, 2019 10:19 am
Forum: Software
Topic: Thoughts on Mond
Replies: 15
Views: 417

Re: Thoughts on Mond

Downloaded it, but it did'nt start. No time yet to check why not.
by dr beep
Sun Nov 03, 2019 9:14 pm
Forum: GAMES
Topic: New ZX81 Games
Replies: 152
Views: 110060

New ZX81 Games : GAME 67 in 1K hires

Name of Software: Goat and wolves Author: Johan "Dr Beep" Koelman Release Date: 03/11/2019 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K hires Description: Guide the goat into the fence, avoiding the incoming wolves goat.png NEW Download link (if available for download): GOAT DISPLAYED BY R...
by dr beep
Thu Oct 31, 2019 8:10 am
Forum: GAMES
Topic: New ZX81 Games
Replies: 152
Views: 110060

New ZX81 Games : GAME 60 and 66 in 1K hires : HALLOWEEN

Name of Software: Ghostbusters Author: Johan "Dr Beep" Koelman Release Date: 31/10/2019 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K hires Name of Software: Itsy Bitsy Spider Author: Johan "Dr Beep" Koelman Release Date: 31/10/2019 Requirements (eg. 1K, 16K, AY Card, Hi-Res Scheme): 1K hir...