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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…
... math and runs very fast and is very ... br />
;Bresenhams circle algorithm calculates the locations of the ... ;radius
call circle
ret
;******Circle ******
circle:
ld a ... -
Pseudocode for CIRCLE algorithm?Can anyone provide me with the pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge isn't up to reading the ROM routine. I'm try…
... pseudocode for the Spectrum's CIRCLE algorithm? My machine code knowledge isn ... been using Bresenham's Midpoint Circle algorithm (copied from the web) which ... -
Strongest aspect of Spectrum BASICWhat would you say is the strongest aspect of Spectrum BASIC compared to other BASICs on other micros at the time. I think it might have been the Fun…
... https://ibancg.github.io/A-fast-circle-algorithm-for-ZX-Spectrum/ and ... realise is that their circle algorithm isn't actually faster ... they used a different circle algorithm, but it's because ... similar to the Bresenham Circle Algorithm that's already built ... -
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…
... a bug in the ellipse/circle routine, which might well ... moves over your desktop). The circle will become permanent, and when ... circle really jerks around the screen, and this is quite a fast ... PC. If you want a fast integer circle algorithm to try ... -
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…
... in order to make the circle look smooth. Each line ... draw a circle is to use a suitable bresenham algorithm which only ... by taking advantage of a circle's geometric symmetry. Additonally on ... can be done in any fast draw algorithm where successive points are ... -
Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here) in fact, I want to accelerate a car towards a direct…
(after I saw "Bresenhams circle algorithm" in development forum, I decided ... -
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'm sure the Bresenham algorithm has always been integer-based ... about it. It's his circle algorithm (also integer-based, and not ... -
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 …
... of Bresenhams circle algorithm
;Bresenhams circle algorithm only calculates ... the 8 octants of the circle.
;Assume ... variable equation of a circle which is to be ...
call circle
ret
circle: push bc
Elliptical ChallengeSubsequent to the recent "Graph Plot" thread, I wrote this general purpose ellipse drawing routine which will plot (although it doesn't actually use …
... this, which takes Bresenham's Circle algorithm, but applies it to ellipsis ...pathfindingworking on pathfinding in the game. here is Russian description of Lee's algorithm: [url]http://algolist.manual.ru/games/wavealg.php[/url] "if-then"…
[QUOTE=g0blinish;697431]how fast Dijkstra algorithm?[/QUOTE]
On an ...CIRCLEHi, I'd like to draw a circle x,y,r using the BASIC-ROM subroutines. I've put x, y and r onto the calculator stack and used CALL #232D and RET. I g…
There's a couple of fast circle routines on WoS which were ... , r=60:
BASIC CIRCLE command = 90 seconds :cry:
CIRCLEHi, I'd like to draw a circle x,y,r using the BASIC-ROM subroutines. I've put x, y and r onto the calculator stack and used CALL #232D and RET. I g…
... ]There's a couple of fast circle routines on WoS which were ... wrote a Bresenham circle routine once which was fairly fast but cheats ... equ $
; Draw a Bresenham circle at oX,oY radius Rad ...
; Use slow ROM routine circle routine
; for circles with ...Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
... runs faster than the Bresenham Circle Algorithm. The code is
[code ... ) //only formulate 1/8 of circle
{
cd2-= (--x) - (++y ...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 …
... get my head around this algorithm. I don't know ... am having problems coding this algorithm despite the existence of ... consider the detail given for CIRCLE and DRAW ARC).
< ... line
;Bresenham line drawing algorithm poorly implemented in the following ...Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... current layout is optimized for fast character display, as you can ... /> On the other hand, the algorithm to compute a display address ... for the PLOT, DRAW and CIRCLE routines, which compute the address ...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 …
... general view, faster than dda algorithm but works much better on ... , there is not bresenham. BASICs CIRCLE is just DRAW x, y ... draw circle a bit faster than CIRCLE command itself. imagine how fast will ...Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…
... br /> The greedy algorithm is the super fast figure4.tap. If you ... usual greedy flood fill algorithm. figure3.tap is an ... filled by drawing a circle at 127,88,87 ... still the same greedy algorithm but this time entire ... to remove the restricting circle at 127,88,87 ...Recursive 4-way floodfillHi guys) Shortly, I wanna find out whether there's a way to some object. Perhaps some of you have already encountered such an issue which is relativ…
... written to be much more fast.
The ... using routines at 1000 (CIRCLE) and 2000 (DRAW). Then ... required by the fill algorithm, but straight lines are ... substitute it for a circle with center at 128 ... />
1000 REM Circle routine. r=radius. xc,yc ...FAST adsHiya Does anyone remember the FAST (Federation against software theft) ads that came out in the late 80's and early 90's. They were hilarious as the…
... />
Does anyone remember the FAST (Federation against software theft) ads ...Smooth Masked Sprites using fast page flip on 48k Part 2Ok, After all the suggestions in Part 1, which were all excellent (Thankyou), I opted on the following: I have 2 x 6k Offscreen areas (Yes, that's …
(Somewhat OT) Circular regression analysisI'd like to be able to regenerate the "Tunnel" image from [I]Jumbly[/I] (that's why this post is only "somewhat" off-topic), but to do so I need to b…
... br />
Picking out one circle (by recolouring it red) and ... list into a regression-analysis algorithm; unfortunately, I left school ... tools to construct such an algorithm, and there doesn't ... need to understand the algorithm; it's an algorithm, I just need ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... based on a differential update algorithm. It achieves flicker-free status ... future. Because of the display algorithm SP1 uses, it is best ... characters with sp1_IterateSprChar() or the fast way with sp1_PutSprClr(). The latter ...ZXSP Emulator running too fastHi All, I was wondering if any of you have had a problem whereby the zxsp emulator runs too fast so won't load games etc? For example, when loading…
... the zxsp emulator runs too fast so won't load games ... high the stripes are too fast.
I'm running ...Too fast zx32Hi all, my sister has bought a new PC. I installed all software for her yesterday. But contemporary fast computers don't offer only pleasure. Our fa…
... for her yesterday. But contemporary fast computers don't offer only ... zx32, for example, runs so fast that it's unusable.
Lerm MicroMate - A Full CircleWell, it's taken a long time... but while eventually making an image of my [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0008433"]MicroMate[…
... supplied in a K7ZX super fast loading format, and has been ...FAST and SLOW .TAP loading in RESIDOSWhy is in RESIDOS this TAP file loaded always too slow ? (with lines in border area). Other TAP files on my drive is fast loaded, but loading this fi…
Why is in RESIDOS this TAP file loaded always too slow ? (with lines in border area). Other TAP files on my drive is fast loaded, but loading this file is always slow.
[url]http://velesoft.speccy.cz/other/tapslow.zip[/url]
VELESOFTBit 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 ...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 ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... our machine code at free, fast-running (over 32768) and memorable ... line we use the following algorithm -
Choose a location in ... is slow down our blindingly fast machine code.
Insert the ...
