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Search Again :: Adv Search 1000 results in 0.016s
<1…17181920212223…34>
  • BASin gets its (profile) sums wrong (sometimes)I often use BASin to time pieces of code, and I've found it to be useful, but I was testing a routine earlier, which took less than 2 seconds to run …

    ... , but I was testing a routine earlier, which took less than ... came up with a tiny routine which still demonstrates the problem ... FOR N=1 TO 32: PRINT AT 0,0;r
    PRINT it supposedly takes 3 seconds ...
    Battle Bunny Battle Bunny September 2012 Emulators
  • Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…

    This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 1055 (50 secs) & 1075 (35 secs). Any suggestions on how to speed up those two parts (other than rewriting ...
    Battle Bunny Battle Bunny September 2012 Sinclair Basic
  • need a new method for m/c parameter assignmentI've been using a variable length function of the form: "FN a$(a$,a[,b...,z])=STR$ USR md" to search a data table and return a string result. By putt…

    ... the $27BD "Scanning Function" sub-routine takes 128kT.

    I ... speed up things by using "PRINT USR a$,a[,b...,z ... with the speed of the PRINT method; probably some way of ...
    Battle Bunny Battle Bunny September 2012 Development
  • Multicolor/RGB3/3color fast low flicker software available?After giving myself a near migraine looking at 3 colour image (3 frames, red, green blue) anim gifs in a test version of image to zx spec I'd like to…

    ... that can display these images fast enough along the lines of ...
    brownb2 brownb2 September 2012 Development
  • PCL / PS driver questionsDon't know if this ever happened to any of you. I've been searching but I've yet to find a practical, permanent solution. Let's say I have a 1.4M P…

    ... memory" message and refuse to print. This printer is supposed ... process data before starting to print!

    Another thing ... PCL it's extremely fast but the print queue shows that the ... printers too. Google says "print directly to the printer instead ...
    zxbruno zxbruno October 2012 Chit chat
  • Spectrum Print 'n' Plotter JotterSpectrum Print 'n' Plotter Jotter (the A3 one) Would also be interested in scans of the two pages it contained Chris

    Spectrum Print 'n' Plotter Jotter (the A3 one)

    Would also be interested in scans of the two pages it contained

    Chris
    smogit smogit October 2012 Wanted
  • Mini scroll routineI'm looking for a routine that scrolls a small section of the screen downwards and replaces it with nothing, 2 x 2 charcter blocks to be precise, to …

    I'm looking for a routine that scrolls a small section ... />
    I seen a similar routine in 'Input' magazine many years ...
    daveysludge daveysludge October 2012 Development
  • Covering my tracks using OVERI've got myself in a bit of a mess again I'm afraid, the routine I have written is for 4 characters to move across the screen 2 spaces at a time in I…

    ... I'm afraid, the routine I have written is for ... has left, as the print is 4 characters long and ... about correctly deleting the previous print.

    After ... I'm also wanting to print chracters 'c and d' ... 4,29 as the print string is entering/exiting the ...
    daveysludge daveysludge October 2012 Development
  • Help needed...I am at my wits end with this pigs ear of a routine, can anyone simplify it and make it work as it should? Basically it should make the characters '…

    ... this pigs ear of a routine, can anyone simplify it and ... 2 characters.

    The print is in OVER so it ...
    daveysludge daveysludge October 2012 Development
  • multi-scroll m/c subroutine for BASICArising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. whe…

    Arising from recent posts, here's a scrolling routine that will manage multiple left/right scrollings for any (sensible) line width or step; (ie. where width is
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • saving time populating large arraysI use a variation on this idea for storing machine code at the end of programs without interfering with LIST, then it occurred to me that it would al…

    ... program every time, this routine enables it to be populated ... 9999:
    IF checksum THEN PRINT "d$() undefined": STOP
    ... 23670: POKE 23628,PEEK 23671: PRINT "d$() available":
    ... 23670: POKE 23628,PEEK 23671: PRINT "d$() hidden":
    ...
    Battle Bunny Battle Bunny October 2012 Sinclair Basic
  • Asking for help: ZXBC to ASM routine translationHallo, In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler [code] sub light(x as uinteg…

    Hallo,
    In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler
    [code]
    sub light(x as uinteger,y as uinteger,intensity as ubyte)
    dim adr as Uinteger
    if x
    LCD LCD November 2012 Development
  • 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 general purpose ellipse drawing routine which will plot (although it ... 255
    ellipse = address of routine
    [/code]
    makes ... this version is twice as fast as the last version I ... , [b]without making the routine any bigger[/b]? The parameters ...
    Battle Bunny Battle Bunny November 2012 Development
  • Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …

    ... this little routine, which is designed to print 16-character ... codes
    rst $10 ; print it
    inc hl ; ...
    On entering the routine, HL will point to [B ... [B]msgfir[/B]. The routine works fine [I]most[/ ... I step through the routine with a debugger and ...
    snigfarp snigfarp November 2012 Development
  • Interview with Clive Townsend (Saboteur)Here you have at [URL="http://www.elmundodelspectrum.com"]www.elmundodelspectrum.com[/URL] this exclusive interview with Clive Townsend. Don?t forget…

    ... get the backgrouds to scroll fast enough. Rob White suggested I ... I'd work on a routine, compile it, then save it ...
    jmvbok jmvbok December 2012 Sinclair Miscellaneous
  • checksum routine from Space GunThis routine starts off with HL=$ffff and a file header read from tape, for each byte of which in turn it assigns to A and calls this routine, ending…

    This routine starts off with HL=$ffff ... to A and calls this routine, ending up with another value ...
    Battle Bunny Battle Bunny January 2013 Games
  • Checksum routine wantedI wish to make a program that verify integrity of a Multiface 1 ROM. It is possible to compare each byte of the ROM against a binary dump, but this i…

    ... />
    Thus, I need a routine that calculates a unique value ...
    TK90XFan TK90XFan February 2013 Development
  • How to benchmark a single routine?I've written a routine. It works. But it was never meant to be the final version. So I rewrote it. The new routine works too. Yay. :) However, I'd …

    I've written a routine. It works. But it was ... I rewrote it. The new routine works too. Yay. :)

    Sokurah Sokurah February 2013 Development
  • "Chronos": how fast should it really be?I was reading [URL="http://timfollin.pwp.blueyonder.co.uk/Archive.htm"]Tim Follin's webpage[/URL] the other day and came across a curious remark abou…

    ... is not really twice as fast. With the fixed scroller the ...
    introspec introspec May 2013 Development
  • Chronos (BUGFIX)Please add the following "known errors" entry to [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000951"]Chronos[/URL]: [QUOTE]Bugfix provid…

    ... 58434[/CODE]

    The routine above takes 109846 T-states ... twice as fast. The most efficient reimplementation for this routine is listed ... 58556 ; skip remaining of original routine[/CODE]
    The reimplementation above ...
    Einar Saukas Einar Saukas May 2013 Infoseek database
  • Works in Fuse & SpecEmu, not ZXSpinI decided that I wanted to change the scroll routine which I was using for compiling the Trailblazer maps, as I'd just copied it out of Andrew Hewson…

    ... to change the scroll routine which I was using ... , which is twice as fast as the other one, ... or SpecEmu with the new routine it works fine. If ... compiler with the new routine works in all of ... perplexing conundrum. This is the routine.
    [code]
    ...
    Battle Bunny Battle Bunny June 2013 Emulators
  • Some thoughs about fast scrolling on 128 modelPlease, consider this article as technically interesting concept not a proven algorithm. ONE The fastest scrollers use long sequence of PUSH inst…

    ... first tile, ...
    the update routine boils down to simple sequence ...
    catmeows catmeows June 2013 Development
  • Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…

    Todays Spectrums are fast as hell and few software ... />
    Two options:
    1. Fast Z80 on the mainboard. Plusses ... than second option.
    2. Fast Z80 in NeoGS card, invisible ...
    Alone Coder Alone Coder June 2013 Development
  • Machine code assistance please #1Dear all, Learning the ropes here, so please excuse these odd questions which may seem simplistic to you learned lot. This routine is placed at 33…

    ... learned lot.

    This routine is placed at 33000 and ... was expecting the command [b]PRINT USR 33000[/B] to return ...
    Tobo Tobo June 2013 Sinclair Miscellaneous
  • Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…

    ... 'm trying to write a routine that plots 3 pixels to ... /> call $22E5 ;call ROM plot routine
    pop bc
    inc ...
    daveysludge daveysludge July 2013 Development
  • Sampling routineLooking for a simple yet crude sampling routine that I can use on a forthcoming game. I've tried most of the ones from the archive and find them uns…

    ... a simple yet crude sampling routine that I can use on ... spare and just need a routine that goes "YEAH!"

    daveysludge daveysludge July 2013 Development
  • Games/Programs making use of DivIDE featuresHello :) I have a question: I may be wrong, but it looks like the DivIDE and similar interfaces for the ZX Spectrum are almost exclusively used for …

    ... exclusively used for storing and fast-loading of existing software (TAP ... the extra RAM or super-fast file access capabilities of these ... Spectrum. I mean, with such fast file access and such massive ... to the ROM tape LOADING routine. Also, would it be possible ...
    memrah memrah July 2013 Development
  • 20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…

    ... 20-column routine last night - churning through the PUSHes as fast as ...
    gasman gasman July 2013 Development
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Latest Posts

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  • Fixed Speccy Software. And which games remained unfixed?
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