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Search Again :: Adv Search 623 results in 0.001s
<1234567…21>
  • AssemblersProbably asked a question that's been asked a million times before... but... I've decided to do a bit of old Speccy machine coding again, after 20 y…

    ... circles, curves, etc. use a sine lookup table or something.

    GOC GOC August 2003 Development
  • Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…

    ... ;) Woohoo! We've got a sine lookup table. Big feckin deal.
    Paradigm Shifter Paradigm Shifter February 2010 Games
  • Problem with rotating procedureHi folks! I wrote a proc in z80 asm, based on: x' = x * cos (z) - y * sin (z) y' = x * sin (z) + y * cos (z) I used a precalculated table of sin a…

    ... lookup will be a little bit quicker as will cosine and sine ... COMPUTATIONS (you do table lookup for that so ... done faster, again using table lookup, but I'd also investigate ...
    Alcoholics Anonymous Alcoholics Anonymous July 2006 Development
  • maths questionNB this will probably show what a tragically low level understanding of maths I have, but hey ho :-) for some reason the other day I suddenly remem…

    ... as an infinite summation of sine waves of different frequencies. The ... highest frequency sine wave that contributes appreciably is ... a cordic algorithm or table lookup to get the answer.
    Alcoholics Anonymous Alcoholics Anonymous August 2014 Chit chat
  • Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …

    ... /> #DEFINE SCREENTABLE 0FB00H ; SCREEN ADDRESS LOOKUP TABLER

    ORG 32768 ...
    robpearmain robpearmain September 2004 Development
  • 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 …

    ... /> #DEFINE SCREENTABLE 0FB00H ; SCREEN ADDRESS LOOKUP TABLER
    #DEFINE BACKBUFFER 0E000H ...
    robpearmain robpearmain September 2004 Development
  • Help required to calculate screen addressesDoes anyone have some code that calculates the screen address one pixel below the given address ? Is it best to use a lookup table ? Any examples of …

    Does anyone have some code that calculates the screen address one pixel below the given address ? Is it best to use a lookup table ? Any examples of this.
    Mr Millside Mr Millside November 2004 Development
  • Help needed to speed up functionCan anyone help me to re-factor this code snippet. The "MAP" section holds information about which tiles go where on the screen (handled by another f…

    ... be based on the "COLOUR" lookup. Each tile needs a 2x2 ...
    Mr Millside Mr Millside February 2005 Development
  • Anyone help re-factoring a tile functionI had some excellent feedback for re-factoring my function that displays the colour for my screen tiles. Can anyone offer some help to improve the fu…

    ... which is held in the lookup called "MAPLOOKUP". I've used ...
    Mr Millside Mr Millside February 2005 Development
  • ANN: Tipshop updated Thursday, 28 July 2005Thursday 28 July 2005 New search script changes, and quite a few tips to keep you going * Updated the search script. You can now specify exact stri…

    ... 've changed the default alias lookup from on to off.
    hackersanon hackersanon July 2005 Announcements
  • You know you're a Spec-Chum when......you are tempted to reply to a "name that game" thread with "[url="http://www.sinclairfaq.com/cssfolklore/#notstonkers"]It's definitely not Stonker…

    ... .76.9" into a DNS-lookup engine. ;)
    ...you use the ...
    robert@fm robert@fm February 2006 Sinclair Miscellaneous
  • Speccy stuff for free - you collect from SW18Hi chaps, Righto, all my Speccy stuff has to go but I can't post it (sorry Craig!), it's far too much hassle. If you want all of the below, feel fre…

    ... this as a multi-coloured sine wave.

    Here comes ...
    Vertigo Vertigo July 2006 Sales
  • Pixel Explosion CodeJust a little snippet to cause explosive effects. It uses table lookups for the screen address, and can handle up to 32 pixel particles. A particle…

    ...

    ; **************************************


    ; Lookup must lie on a 256 ...
    robpearmain robpearmain September 2006 Development
  • Mode 2 Tile Editor SourceA Timex Mode 2 Tile Editor incorporating a byte mirror table. The compiled version is available in the CSSCGC 2008 collection from the WoS archive. …

    ... /> ; ------------
    ;
    ; A 256 byte lookup table to mirror the bitmap ...
    chev chev January 2007 Development
  • ANNOUNCE: Jet Set Willy: Party Willy [Special Edition 2007]Today (23rd April) is the third anniversary of the full release of [i]Party Willy[/i], Daniela Hantuchov?'s 24th birthday, Nicole Vaidi?ov?'s 18th bi…

    ... /> [*]laterally invert the title-screen lookup-table (33841-33872);

    andrewbroad andrewbroad April 2007 Games
  • BASIC Keyword ReferenceRealised that the Sinclair Basic section would be a better place for discussion of BASIC keywords, so for reference the old thread is in [thread=2005…

    ... in alphabetical order to aid lookup of specific commands.

    icabod icabod March 2008 Sinclair Basic
  • Loading music in ZX Spectrum games.I've always wondered, did any ZX Spectrum games feature AY 3 -8912 loading music (I'm not aware of any) or was this a technical impossibility on the …

    ... apparently mixes music tones with sine wave data but it could ...
    alaggan alaggan October 2008 Games
  • Open82 v2009-01-13 releasedI'm pleased to announce a new release of Open82, the GPL-licenced replacement Spectrum ROM formerly known as OpenZXRom. [url]http://sourceforge.net/…

    ... into the ROM to generate sine tables should now stand a ...
    gasman gasman January 2009 Announcements
  • What's a library?Other than somewhere to borrow books, what exactly is a library? Is that just where C functions are declared? For example #include "trigonometry.h" …

    ... code to work out the sine of some value. but that ...
    wilsonsamm wilsonsamm January 2010 Chit chat
  • Skool Disassemblies 2010New year, new thread, new release of the Skool Disassemblies (capitalised for branding purposes :D). Go [url="http://pyskool.ca/disassemblies/"]here[…

    ... as a PNG, with accompanying lookup table info and graphic data ...
    SkoolKid SkoolKid January 2010 Development
  • Spectranet updateWell, I've not put an update in here for too long, so here's a summary of what's been developing ... * A snapshot manager module. Basically, you can…

    ... IP address with a DNS lookup).
    * DHCP client.
    * Socket ...
    Winston Winston February 2010 Hardware
  • Worst gaming decisions ever?In a different thread, I mention what, to me, is probably the single greatest mistake in the history of computer/console games design ever. Here are …

    ... a very deep and uneven sine curve, and puts off almost ...
    ewgf ewgf October 2010 Chit chat
  • Best way to organise a multi screen game?Hi All, Does anybody know ay good ways to organise large multi screen game? Or any links to useful texts on the matter? In my previous single scr…

    ... I'm thinking an ix lookup table with x,y coords ...
    R-Tape R-Tape April 2011 Development
  • ANN: Spectaculator for iPhone, iPod Touch & iPadHi all, Spectaculator is now available for the iPhohe, iPod Touch & iPad! It features the same high quality emulation developed for the Windows' ve…

    ... infinite lives, shields etc.
    [*]Lookup game hints, tips and maps ...
    Jon Needle Jon Needle May 2011 Announcements
  • extension to Z80 opcodes spreadsheetI've set up an extra Excel spreadsheet which references Einar's v.helpful Z80TABLE spreadsheet and allows a list of Z80 assembler commands to be type…

    ... wouldn't do the external lookup otherwise.

    You might ...
    Battle Bunny Battle Bunny March 2012 Development
  • How Sinclair computer interprets audio and loads codeHello, First time posting here, so sorry if the question is already answered or is unanswerable. I am trying to find some info about how sinclair …

    ... hear that there are also sine waves, and the frequency content ...
    Auris Auris March 2012 Hardware
  • Something a bit like Jetpack Joyride in flavour?Jetpack Joyride is a fairly simple horizontal scrolling game, in which the player has one control. That control applies power to the jetpack as long …

    ... be done by using a lookup table).

    There are ...
    Bangstick Bangstick April 2012 New game ideas
  • BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…

    ... unrolled loops and a couple lookup tables.


    [*] Programmers ...
    Einar Saukas Einar Saukas July 2012 Brand new software
  • SpecBAS 0.754 Now available!Hi all - Due to overwhelming demand from half of my userbase (That's ASH-II to you lot), BEEP has been added! It's not just any old BEEP though - y…

    ... counts and window-to-sprites lookup tables were not updated properly ...
    Dunny Dunny September 2012 Sinclair Miscellaneous
  • Questions about SEUDI recently purchased SEUD (Shoot-em-up Designer, for those who do not know it) from Cronosoft and tried to familiarize with it, also by peering into …

    ... as well-defined as that sine wave which defaults to wave ...
    Alessandro Grussu Alessandro Grussu January 2013 Development
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