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Search Again :: Adv Search 1000 results in 0.012s
<1…11121314151617…34>
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... ' to each after a matching string has been copied to the ... pointer somewhere within a fixed size buffer. Whenever you add to ... you perform 'end = (end + x) % size'. 'start' and 'end' are always ... like so: 'start = (start + y) % size'.

    There is an ...
    Alcoholics Anonymous Alcoholics Anonymous March 2012 Development
  • A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…

    ... the memory past a given size (which you can set in ... NULL (e.g. an empty string). Using a debug mem command ...
    boriel boriel March 2012 Brand new software
  • Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…

    ... programs of > 64k in size.

    [quote]
    Thanks ... state and to communicate new string to tokenize
    ; 2: ... delim chars when tokenizing the string
    ; this means strsep could ... token extends to end of string (hl=0)

    ...
    Alcoholics Anonymous Alcoholics Anonymous March 2012 Development
  • Is there a ROM modification (48K) for load without typing LOAD""?The target is to play with 48K machines with keyboard broken, or an alternative solution for new clones like Superfo instead of making a new keyboard…

    ... T_ADDR

    ; Now reduce the low byte of the ... EXPT-EXP checks that a string
    ; expression ... stack.
    ; length of string in BC.
    ; start ...
    Dr BEEP Dr BEEP April 2012 Development
  • PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…

    [QUOTE=Crisis;618802][SIZE=3][/SIZE]that book shows the FN ... , yes. For assembly users, a string of decimal data statements is ...
    Gedlion Gedlion April 2012 Development
  • BASin v.15 DEF FN bugThe bug would appear to be in "BASSupport.pas : Procedure ProcessDEFFN"; as it's not inserting the 6-byte variable place holder after each parameter …

    ... couple of bugfixes, double/triple size fixes, hiDPI desktop fixes, multiple ... is DEF FN) in the string sometimes). Now it's hopefully ...
    Arda Arda April 2012 Emulators
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... people.

    Our idea reduce the number of chips (now ... capabilities, maintaining the original PCB size.
    antoniovillena antoniovillena April 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    [QUOTE=antoniovillena;621467]Our idea reduce the number of chips (now ... capabilities, maintaining the original PCB size.[/QUOTE]

    I think ...
    chev chev April 2012 Hardware
  • The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…

    ... . For this reason we can reduce the count of chips in ... logic into the free PCB size.

    You can view ...
    antoniovillena antoniovillena April 2012 Hardware
  • Jimi HendrixJust to prove I have a life outside of Z80 coding. Here's a guitar I built recently: [img]http://dl.dropbox.com/u/15659782/Newport.jpg[/img] It's a…

    ... way for the high E string if the back pickup on ... affect the back pickup and reduce the ear-splitting high frequencies ...
    bigjon bigjon May 2012 Chit chat
  • Abbaye des morts[url]http://www.locomalito.com/juegos_abbaye_des_morts.php[/url] Looks like Spectrum, sounds like Spectrum, but it's not a Spectrum ('cause no colou…

    ... into 25% of its current size.

    I've ... more tiles, and its size is about 5 times as ... to be embedded in a string. Repeat loops, 'calls' to ... any other string of tiles, etc can be ... made from within a string describing a screen, then the ...
    Alcoholics Anonymous Alcoholics Anonymous May 2012 New game ideas
  • How much space does a number take?Hi Folks, Could someone please remind me how much memory a number takes up in a BASIC listing. For example, if you had: [CODE]100 LET a=3000[/CODE…

    ... stored as "characters" within a string. Values are expanded at run ... options for 42 char, Double size, and 64x32 printing as well ...
    Paddy Coleman Paddy Coleman May 2012 Sinclair Basic
  • number padding functionI wrote a number padding function in BASIC a while ago, but when I came to want it again I couldn't find it, so I've done this enhanced [url=http://w…

    ... it. I got the size down a few days ... to exactly the same smaller size, by some fluke) but ... machine stack so that this string
    ;becomes the ... character C to new number string
    COPYDIG:ld ... pad characters to new number string
    PADLR: ld ...
    Battle Bunny Battle Bunny May 2012 Sinclair Basic
  • Microhobby's Pixel A Pixel compo: help requiredHi! The start of this story is described in this topic: [url]http://www.worldofspectrum.org/forums/showthread.php?t=38955[/url] At the present mome…

    ... , so finding the correct image size is really complicated when done ... have been adjusted, we can reduce the number of artifacts by ...
    moroz1999 moroz1999 May 2012 Sinclair Miscellaneous
  • emulators which support H/V scroll bars?You know, for years I've been using Fuse with a pokey little 4" window and moaning about it because the resize arrows didn't (appear to) work, then I…

    ... if I could reduce the Spectrum window to the size of the ...
    guesser guesser May 2012 Emulators
  • Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…

    ... . Reducing the screen area will reduce the amount of time spent ... map, populate a buffer the size of the visible screen (768 ...
    chev chev May 2012 Development
  • Sonic Game PossibleIs a sonic game possible on the ZX Spectrum 48k? I read somewhere that someone tried to create a sonic game for the ZX Spectrum, but the only [url=ht…

    ... . Reducing the screen area will reduce the amount of time spent ... map, populate a buffer the size of the visible screen (768 ...
    Zxogger Zxogger May 2012 Development
  • Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…

    ... around - I choose N (seed size) equal to 8, and 4 ... . Stripping one bit can theoretically reduce the period to one half ... =8 and 4 seeds. You reduce the generator lag and give ...
    Patrik Rak Patrik Rak May 2012 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... all?

    [SIZE="1"](sorry, it's my ... wanted to make it flowery)[/SIZE]

    [ ... address
    ld bc,string ;bc faster than ix< ...
    ret

    string defm 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890',0[/CODE]
    R-Tape R-Tape June 2012 Development
  • SUPER INPUTA couple days ago I searched for an "INPUT string" routine that I could use in Assembly programs and supported multiple lines, but I found none. Thus…

    ... the address and size of an initial string, then invoke ... the address and size of the resulting string at the ... br /> ldir ;copy initial string to INPUT workspace
    ... 6,(iy+$37) ;FLAGX: "string result"
    set 5,(iy ...
    Einar Saukas Einar Saukas June 2012 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... pop hl ; hl = char *string
    ret ; carry reset for ... /> pop hl ; hl = char *string
    ret ; carry reset
    size. Not only that, ...
    Alcoholics Anonymous Alcoholics Anonymous June 2012 Development
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... 2 bytes (pointer to string)
    ld ix,strcasecmp_callee ...
    push de ; save size
    push bc ; save ... br /> call l_mul_16_16x16 ; hl = nmemb*size

    pop de ; ...
    Alcoholics Anonymous Alcoholics Anonymous June 2012 Development
  • Unicycle AdviceAm I right in remembering I have seen Scottie mention he likes to ride a unicycle? A strange question I know, but for some reason I feel I want to l…

    ... a 20" bike a crank size of approx 130mm down to ... needed to hold on will reduce until one day you let ...
    Scottie_uk Scottie_uk July 2012 Chit chat
  • Basic Challenge NO.7Ok Boys and girls get your thinking caps on. IN BASIC how would you plot an arc of a ball falling to the ground? so it gets lower and lower and mov…

    ... together with a piece of string, the string should pull tight if ... then heavier - ie two objects+string, so the whole system should ... fall quicker than parachutes; and size matters at the micro and ...
    weesam weesam July 2012 Sinclair Basic
  • Machine Code Routine of the weekHow about a thread that has a routine each week that is in [B]assembly language[/B] and is also described in great detail what the hell is going on …

    ... fast string print further back will come in handy one day...;-) [SIZE ... ="1"](credited of course)[/SIZE]
    R-Tape R-Tape July 2012 Development
  • 128K+ Keypad Swapsies.I've been offered a swap, a Spanish 128k keypad, for one of my UK microdrives. Is this a good swap?

    ... ROM 0
    * full screen string editor
    * four new commands ... WIDTH (for setting RS232 column size)
    (although in fairness WIDTH ... /> * tape tester (broken)
    * no string editor
    * tokenizer uses tokens ...
    chev chev July 2012 Sinclair Miscellaneous
  • 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…

    ... normal. Rendering more rows would reduce even more the CPU time ... the best possible choice for size and position of the multicolor ...
    Einar Saukas Einar Saukas July 2012 Brand new software
  • Copying Files in +3e BASIC (not using COPY command)Hello there my fellow WoS'ers Yet again I find myself in need of guidance, I am sooo close to getting my prototype up. I am writing my own byte cop…

    ... files than disks with 2GB size.


    [QUOTE=Zetr0 ... treating files as a looooong string. I remembered Paddy Caps Lock ...
    Encarnado Encarnado July 2012 Sinclair Basic
  • The need of having a 257-byte table for IM2 routinesThis came from a discussion at the speccy.org forum. I have understood that the reason behind the 257-table for IM 2 routines is due to certain joys…

    ... usually quite expensive. Failing that, reduce the characters in your font ... some of your code for size, instead of speed. Sprite and ...
    jonathan jonathan August 2012 Development
  • Ok, there's this guy, and he's writing a book.And he's a bit stuck when it comes to the Speccy. [url]http://theywereourgods.blogspot.co.uk/2012/06/day-6-covering-spectrum.html[/url] He's writin…

    ... ) in .bmp format, and then reduce them for the blog, as ... accept images of a certain size. To be honest, I use ...
    PaulEMoz PaulEMoz August 2012 Sinclair Miscellaneous
<1…11121314151617…34>

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