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Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... way is to draw the lines (which you will do ... because you're drawing those lines on screen) and check if ... the lines overlap on the same point ... . The problem is that two lines can cross and dont overlap ... [/quote]
Draw thicker lines =) -
Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... way is to draw the lines (which you will do anyway ... , because you're drawing those lines on screen) and check if ... the lines overlap on the same point ... solution. The problem is that two lines can cross and dont overlap ... -
Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... way is to draw the lines (which you will do anyway ... , because you're drawing those lines on screen) and check if ... the lines overlap on the same point ... solution. The problem is that two lines can cross and dont overlap ... -
Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... way is to draw the lines (which you will do anyway ... , because you're drawing those lines on screen) and check if ... the lines overlap on the same point ... solution. The problem is that two lines can cross and dont overlap ... -
Calculate if two segments cross in assemblerHello, Im developing a little game and I need something that I cant archieve. I have two lines (segment of a line). Line one: X11=coord X of …
... . You have 4 edges of two lines that intersect. You find the ... -
Things you hated about the speccyFor me it would be the Kempston interface coming loose and the machine crashing after a good session of waggling my joystick.
... in ZX Basic I needed two lines whereas with a working ELSE ... -
ZX Spectrum border and sound problemAfter recap stange problem with ZX Spectrum (issue 3b) with sound and border. See video at: https://drive.google.com/file/d/0BwhYHKW6xjI-aVdMcEY4ajVk…
Right in the target Mark. Small allmost invisible solder splash across two lines mixed with white component label on a upper side of a board, very hard to find. Strong led light, magnify and patience :)
Thanks Mark. -
Look whats possible in 924 bytesSo, finally after over a year of development and nearly 25 years since I first designed the graphics, I've actually made it to the point where this i…
... 7" comment naturally splits over two lines, and each half adds something ... of comments split nicely between lines.
Incidentally, if black ... -
im looking for a horizontal scroll routinehi, im looking for a horizontal scroll routine. i read somewhere that you can do it with at 'to' statement, somewhere in a print routine. althoug…
... scrolling is done in these two lines of the main program loop ... -
Is it possible to add a listing to a screen?I made this picture (see next message for link) deliberately in the bottom half of the screen hoping to be able to have another display in the upper …
... 't work in the bottom two lines, so the graphic would need ... -
How do I convert a .z80 snapshot to a tape file?I've been fiddling with this for a while but can't get it to work reliably. I use Marvin to write short BASIC and assembly programs that uses .z80 in…
Headerless tape loading blocksIs there any way to convert headerless machine code blocks to regular headed blocks? I imagine it involves Taper. I ask because now that I know I'…
... "Loading :- GLASS 2 01" on two lines rather than the usual "Bytes ...Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
Talking of using the bottom two lines, what I've been doing ( ... to those bottom two lines, I can only see two options: (1) use ... key" prompt deleting the bottom two lines.Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... to those bottom two lines, I can only see two options: ... very slowly ...Alternative to Poke 23659,0 to prevent a 'break in' to a Basic Program.Good morning everyone, My memory fails me these days but in the early days of programming I used to use Poke 23659,0 as a crude way of offering so…
... variable contains the number of lines in the lower section ... can use the whole 24 lines of the screen, the ... to PRINT on the bottom two lines it is usually better ... a value greater than two into DF_SZ the upper ... scroll up the top 14 lines of the screen only.< ...How to stop a flickering character erasure?I'm trying to figure out how to build a moving sprite. Eventually it will be made up of several UDG's. However its early days yet so I'm experimentin…
... has two line numbers but each one is followed by lines of ... It's all packed in two lines to speed up GOTOs. Does ...Why no PLOT, etc. on bottom two lines?I was pondering if there was any way to get PLOT, etc. to address the full screen from BASIC without having to write a few lines of assembler to bypa…
... having to write a few lines of assembler to bypass that ... commands to the top 22 lines anyway? Why not just have ... , SCREEN$ can address all 24 lines (0-23), so why restrict ... use #0 for the bottom two lines?[/quote]
Hi BB ...Play Safe information filmsI remember these from my childhood being aired on UK TV around teatime and also during childrens programmes. They kind of imprinted on ones subconsci…
... grid of diagonal painted lines (or only two lines crossing each other in ...Why buy a Raspberry PI to learn programming when you can learn on a Spectrum?I had a raspberry PI for just over a year, never did anything on it except it was fun to get it hooked up to the Internet and be surfing it on a syst…
... of repeating the same five lines of code several times in ... [b]addThenSquare [/b] that takes two numbers that when called by ... 5 and 10. The next two lines in this function should be ... [/b].
The other two functions do not return a ...PAPER&INK: screen/character differenciation?So I was looking at a type-in listing earlier and I got to wondering how the Spectrum differenciates between knowing that the PAPER/INK commands need…
... for the border (lower screen two lines) as well.
What ...Any love for Cholo?I remember really wanting this, but seeing very little coverage on it... so I bought it, and loved it. I always wonder why it never got any covera…
... is bizarre is that the lines seem to be drawn with ... ), such that where bits of two lines overlap they disappear again. There ... clean buffer to draw the lines into.
It's ... easy task to clip diagonal lines short at the edges of ...Dk'tronics and other similar "add on" Speccy keyboards . What can be done with them and when?. The underlying assumption I am making here is that people who have them will want to "hang on" to them and may also want to get them working . But …
... round (at least on the two keyboards I am looking at ... follow) [/quote]
Yes, two lines are swapped around on the ...Budget gem - Rescue by MastertronicHi All, Digging through my old Spectrum tapes today from my youth I discovered a budget gem - Rescue by Mastertronic I'm really impressed with…
... only dedicated a page or two to releases.
Interesting ... 'screen' loading to just display two lines of text. Bit frustrating when ...Clive's Cambridge Z88 Manic Miner game playhttps://youtu.be/d_Jw7EJn4xo [url="https://youtu.be/d_Jw7EJn4xo"]https://youtu.be/d_Jw7EJn4xo[/url]
Ok, I can only add about two lines of text to my replies. It cuts the rest off. That was a much longer replySmallest playfield game?What is the game with the smallest playfield? I'm not referring to map size, but where the action takes place. Some examples: - Jet Pac: The acti…
... least) 12 bytes, divided on two lines of 6 bytes (48x2 bytes ... thought that putting those 2 lines on the playfield would result ...Make up a Lyric (Can they guess the original tune?)Starting with an easy one! Can you guess the original tune? Christmas Is The Time for VERY EXPENSIVE New Graphics cards so I thought of this :- …
... was too hard with just two lines and no chorus . But the ...Finding and listing the Games that are PWI ( Playable Without Instructions)The idea for this came up here:- [url="https://worldofspectrum.org/forums/discussion/58008/what-of-zx-spectrum-games-can-be-played-without-referri…
Hyperspace isn't abbreviated on screen, though it does span two lines.
