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Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …
... using a differential screen update algorithm -- ie it only redraws portions ... at a time just as fast as I can copy one ... -
Games that were better/worse on C64/SpeccyOkay, games that were either: a) Better on the Spectrum or b) better on the C64 Simple heh? I can think of a couple: Bombjack is way better o…
... made the right decisions. The circle code apparently came straight from ... given that there were already fast, flicker-free 3D Space games ... -
8-bit or 16-bit registers?I'm playing around with writing a Speccy emulator for mobile Java at the moment. I did a quick and dirty port of Qaop, which does run but at less tha…
... fails to perform fast enough, then refine your algorithm.
Only ... you have the most efficient algorithm should you then optimise at ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... process is called the 196-algorithm. The name "Lychrel" was coined ... the very old (but very fast) emulator WinZ80, (which I haven ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... probably need a much simpler algorithm.
I have ... of them would work good/fast enough:
1) Instead ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... day or so) a simpler algorithm seems to perfom just as ... ghost actually seems quite threateningly fast in level 1. And in ... -
Benchmark timeWell, the BASIC benchmark posted in Creative Computing back in the 80s came up as a topic on the AtariAge forums. The article is available online an…
... adding/subtracting BCD numbers very fast in comparison with the other ... ) algorithm. Additonally the code has to be written to be fast and ... -
The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…
... /> - Added Tape sound emulation.
- "fast loading" option to disable speed ... is applying the "edge loader" algorithm.
- Auto "full screen off ... -
Quick q. on MC vs. BASIC (boring question)No matter how long or tedious the programming/testing may be ... Is Machine Code [B]ALWAYS[/B] faster than BASIC?
... I wrote a naive SIN algorithm in machine code, it could ... .
The CIRCLE command can be improved with that algorithm of drawing ... 1/8 of the circle and then ... -
New oneliners for 2008[INDENT][INDENT][INDENT]Here's my attempt at a first-person-perspective 3d game in one line of BASIC. It's called 'wormhole', and you've got to get t…
... ), but the generator is very fast and short enough to support ... Maze[/B], generated almost as fast as [B]Labyrin3D[/B]. And ... between rooms and passages, the algorithm above would work fine. Unfortunately ... didn't discuss the generator algorithm to be used in this ... -
Spectrum ULA replacement!Hi gang.. The Speccy 48 ULA Replacement is *almost* here ;) There has been lots of activity in building the CPLD board, sorting out some irritating…
... others, even outside the speccy circle. Plus, documenting the whole thing ... a beep or anything really fast causes it to crash in ... -
Flood Fill ConundrumI have written a flood fill alogirithm. It uses the stack, but only with the y axis. It works quite well, but on large polygons it does take a while …
... I cannot find a simple, fast assembler routine that you can ... explaining the development of the algorithm. What you see in the ... want to see a stupidly fast black flood fill check out ... it's not a practical algorithm. -
Bresenham's line algorithmHelp - I really am struggling to get my head around this algorithm. I don't know why, I coped with Cordic (SIN/COS) and integer divide routines (/10 …
... compare it with the Bresenham algorithm and while that always uses ... /> I really got into the CIRCLE routine and that was definitely ... -
Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
... I Use a extremly fast integer circle routine with no SIN/ ... ...
The effect with circle became permanently if cursor leaves ... improvements.
Edit: Circle bug with cursor outside of ... 6 release. The "slow circle" problem looks really like Vista ... -
Retro-X Alpha availableChanges from WIP 7 (Alpha 3) to Alpha 4 ( 1.5.08 - 14.5.08 ). Requested by and help by - in brackets. Bugfixes: * Viewer: o File list not displaye…
... . I Use a extremly fast integer circle routine with no SIN/COS ... -
Bresenhams circle algorithmI post here my final circle code to replace, if you want, the one in the ROM. It only uses integer math and runs very fast and is very compact. It is…
it's fast, but this cicle has serious ... ...
the back circle drawn first in black then ...
red circle drawn by rom with the ... command "INK 2: CIRCLE 127,87,82" with same ... bigger (see left side of circle).
[URL=http:// ... -
Bouncing BallsPfrrt, I am back from lunch, playing the first raw version of BOUNCING BALLS It is very addictive! As stated here [URL]http://www.worldofspectru…
... ball lies inside the circle, or draw the circle in OVER 1 ... idea for it. Drawing the circle could be done by the ... -
Fuse PSP has been updated!The brilliant FUSE PSP has just been updated to Fuse 0.10.0.1 (FUSE PSP released on January the 1st, 2009), and is available at: [url]http://psp.ako…
... a virtual button
O (circle) ?stick? a sticky virtual button ... you can toggle auto and fast loading on and off.
MultichromeIt turns out that multichrome, and other screen modes, are emulated in Fuse and Eightyone via ZX Spectrum SE emulation (which is similar to the TC214…
... there any way to flip fast enough without DMA to achieve ... 't flicker and therefore dithering algorithm is restricted to basic ZX ...1K Minigame : 3D RacerLast year I started to code a 3D Racer in 1K. The print of the road was however quite flickery so I put it away to pick it up this week again. I deve…
... added,
Speed control, too fast in a bend will make ... moment your speed is too fast for the turn and you ... /> 6 1/8 circle
7 1/16 circle
8 1 ... /32 circle
[/code]
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... to implement a new drawing algorithm. You can poke a stream ... mode to an arc, a circle etc.
but I ...Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... & CIRCLE.
DRAW & CIRCLE uses Bresenham's algorithm. The take ... and are MUCH faster (specially CIRCLE).
Anyway: Unused rutines ...Sinclair BASIC compiler for PC?Boriel's compiler is very powerful but it isn't meant for Sinclair BASIC, and the old compilers in the archive have their limitations: BASIC listing …
... an implementation of Bresenham's algorithm, which is faster and uses ... bit registers). The same for CIRCLE.
Other than that ...Games where you had no idea what you were supposed to do... but played anyway.Whilst browsing the archive for something new to play, I came across Tir Na Nog, which prompted the above question. I had Tir Na Nog as part of the …
... in the centre of the circle until you've reached a ... level you have to go fast enough to reach the craft ... , next level might be going fast enough through the rocks of ...Bit of geometry doing my head inI have a 2D rectangle of known dimensions, its sides are parallel to the X and Y axes. I'm trying to find an algorithm which will take the rectangle…
... 'm trying to find an algorithm which will take the rectangle ... get is an algorithm which returns a perfect circle, and that isn ... the answer is obviously a circle with radius=sqrt((size*size ... calculate the radius of the circle (r=sqrt((w*w)*2 ...Any curve algorithm experts here?I'm wondering if any of you can help the helpless here. I'm just working on the Xmas Special intro animation, and I have a set of 3D points which des…
... anyone know of a good algorithm that produces a "nice-looking ... 's angle bisector touches the circle's circumference at the corner ...First Contact - New Isometric GameIt was about time I did something software-wise! I took a bit of a break from writing the ULA book, and have come up with a new game. Work is very mu…
... 't have to write seperate algorithm for them. In isometric games ... /> This makes it a really fast detection. The alternative is to ...Graphics problemHi guys. Finally got a REAL zx spectrum, cost ?20 from a friend. When i draw plots and circles, it takes time to do it, but how do i do it instantly…
... , as it has fast graphics routines build in (Circle is over 20x ...Z80 compressorIs there one available? Is it any good? Peeps have been suggesting we should look into this, so here's a new thread! I'd do the compressor on the …
... on one algorithm that gives good compression and a fast, compact Z80 ...More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.
... , but I really am devving fast tonight...
SCRplus 0.16 ... , and exit)
- A new algorithm for Stage 3 ("Per-Block ...
