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<1…21222324252627…34>
  • Ahh.. the tape loading era! by ate bit[url]http://www.pouet.net/prod.php?which=53846[/url] It is UNBELIEVABLE!!! Effects while loading, MUSIC while loading (and loading normal speed !!!…

    ... cramming things into a loading routine is a radically different (and ... depends on how quickly the bytes are read in.
    gasman gasman September 2009 Sinclair Miscellaneous
  • z80 program to BASIN?I have a BASIC program with UDG:s loaded in a z80 snapshot file. I would like to edit the program with Basin, but I wonder what must be done before…

    ... DATA statements with a POKE routine. To do this, load the ... bottom of the window, set "Bytes Per Line" to 8 (or ... DATA statements, with a POKE routine to get them into memory ...
    Dunny Dunny September 2009 Sinclair Basic
  • Ahh.. the tape loading era! by ate bit[url]http://www.pouet.net/prod.php?which=53846[/url] It is UNBELIEVABLE!!! Effects while loading, MUSIC while loading (and loading normal speed !!!…

    ... the demo! So the music routine has to fit inside 358 ... called once for every few bytes of data that are loaded ... still need to load 6912 bytes per frame. You could speed ...
    evilpaul evilpaul September 2009 Sinclair Miscellaneous
  • The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…

    ... ; inir twice to read 512 bytes
    inir

    inir ; read only 254 bytes
    in a,(191) ... reading very unstable and routine must return error. ... ; otir twice to write 512 bytes
    otir

    otir ; write only 254 bytes
    in a,(191) ...
    velesoft velesoft September 2009 Development
  • Spectrum Diagnostics Board - 25th Anniversary projectWell, I said I'd try and get something online about this by today, and I have indeed done so. This web page still needs finishing off (in particular,…

    Hmmm. I ought to polish bin2tzx (a routine I wrote so I could reload the Spectranet ROM if I borked it and could no longer boot the Speccy) and release it... it converts arbitrary bytes to a TZX, and you can LOAD "" CODE.
    Winston Winston September 2009 Hardware
  • detecting 128 mode ?quick question really, someone who programs would know I guess. am I right in thinking some things detect 128 program and adjust accordingly , say i…

    ... in ROM 0, copy some bytes to RAM, and page in ... ROM 1. If the copied bytes in RAM are all the ... you can run a checksum routine for both ROM 0 and ...
    mcleod_ideafix mcleod_ideafix October 2009 Hardware
  • Tinkering with Quique Llar?a's Midi2Ay tool...Im tinkering with Quique Llar?a's Midi2Ay tool, found at: [url]ftp://ftp.worldofspectrum.org/pub/sinclair/tools/pc/midi2ay-0.1.zip[/url] Im not a v…

    ... spectrum will only see $ff bytes on the bus during int ... /> ; entry to the im2 interrupt routine
    ; save registers used here ...
    Alcoholics Anonymous Alcoholics Anonymous October 2009 Development
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... /> I am waiting the 73 bytes routine from RoKo, but I now ... the "grow" from 73 bytes to 30 bytes [URL="http://www.zxspectrum ...
    Dr BEEP Dr BEEP October 2009 Development
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... Beep,

    My 73 bytes routine was published as type-in ...
    roko roko October 2009 Development
  • The incredible shrinking screendumpIn this topic I stated that I would be impressed if the screendump could be smaller than 37 bytes. [url="http://www.worldofspectrum.org/forums/viewt…

    ... to JP#1748 is the routine that sends a byte to ... of this routine was that the rotating of the screen bytes in ...
    roko roko November 2009 Development
  • AY programming and notes frequencyHello everybody, I'm Targhan from the french CPC group Arkos, perhaps you've heard of us. I'm currently working on a music tool and I'd like to k…

    ... code. Derived from the original routine, derived from Gasman's version ...
    ; the variables are 541 bytes long and follow the player ...
    chev chev November 2009 Development
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... /> call 0x0556 ; input from tape routine

    set_palette:
    ld ... ; destination
    ld bc, 0x1b00 ; bytes
    ldir ; copy
    ret ...
    chev chev November 2009 Emulators
  • Creating a Spectrum game that won't load...Dear All, I have recently been using my ZX Spectrum as a reference for the production of a new body of art work and something I keep coming back to …

    ... and length, but the ROM routine can easily be copied and ... 60000 ;( len = 140 bytes)


    ;SA-BYTES $04C2 Spectrum ROM ...
    roko roko November 2009 Sinclair Miscellaneous
  • POKING graphicsI remember using binary code (in BASIC) to POKE graphics (thanks Input magazine!) Using a FOR..NEXT loop you would POKE each square in the 8X8 charac…

    ... it was.

    The bytes that make up the Letter ... the BASIC PRINT (or ROM routine that handles PRINT) is ... you and writes the 8 bytes that make up the ... if instead of writing 8 bytes to make up an ... 'd have your first Sprite routine.

    Of course ...
    Turkwel Turkwel November 2009 Games
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... multicolour routine around, it can only manage to reload 16 bytes of ...
    joefish joefish November 2009 Emulators
  • More colours II (Was: Most popular new features?)The suggested 4xCLUT multi-colour solution never took off.

    ... multicolour routine around, it can only manage to reload 16 bytes of ...
    Black_Cat Black_Cat December 2009 Emulators
  • Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…

    ... bytes free
    58 ; d1d1 - d1d3 ------- JP to im2 service routine ... (im2 table filled with 0xd1 bytes)
    ... run in an IM2 interrupt routine. The IM2 library can ... registers and calls your music routine. It is important that ...
    Alcoholics Anonymous Alcoholics Anonymous December 2009 Development
  • many scr files to tap fileguys, I know that threads like this have existed in the past, but i'm gonna try to get a video onto speccy. The +3e to be exact. figured i'd use full…

    ... planning to copy the IDE_READ_SECTOR routine to RAM then just patch ... to the AY every 28 bytes read - I thought I would ...
    nuggetreggae nuggetreggae December 2009 Development
  • just thinking about ...compo for zx 16k ? anyone ?

    ... map instead of manouevring between bytes touched by im1.

    b) mimic stormlord's sound routine via beeper routine in rom
    Fikee Fikee December 2009 Development
  • Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…

    ... the language file.
    [*]Sprite routine modified to deal with split ... speech bubble now removed. 72 bytes reclaimed. Only bubble1 is kept ...
    Jimmy Jimmy January 2010 Development
  • Games not compatible with real grey +2There are many threads about Spectrum+3/2A incompatibility issues but what about grey +2? I've found that games like Marauder and Skate Crazy don't w…

    ... only depend on the two bytes at the end of the ... ) to point at the interrupt routine. I am willing to believe ...
    Alcoholics Anonymous Alcoholics Anonymous January 2010 Games
  • Games not compatible with real grey +2There are many threads about Spectrum+3/2A incompatibility issues but what about grey +2? I've found that games like Marauder and Skate Crazy don't w…

    ... only depend on the two bytes at the end of the ... ) to point at the interrupt routine. I am willing to believe ...
    Arjun Arjun January 2010 Games
  • Skooldaze TooDear WoSsers, Thanks to Skoolkid's disassembly I'm attempting to write a new "improved" version called [B]Skooldaze Too[/B]. As part of the improvem…

    ... 64 bytes
    [*]16-bit num to ASCII string routine for "Please ... the modified score / lines string routine.
    [*]Removed the odd JR ... .
    [/LIST]
    The Kiss routine has not been fully implemented ...
    Jimmy Jimmy January 2010 Development
  • Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…

    ... />
    2) Use IM2 (257 bytes of interrupt vector table to ... more than 128 cells (256 bytes = 128 * 2 byte data) I ... .

    4) Interrupt service routine has static data to check ... /> 6) Old present back buffer routine now just fills the update ...
    Paradigm Shifter Paradigm Shifter January 2010 Development
  • Random access, file sizes and more.A few days ago Aowen mentioned that random access to saved data is not a problem. Here are my thoughts, doubts and suggestions regarding this subject…

    ... saving files bigger than 65535 bytes?

    I would like ... to call a machine code routine from BASIC to handle these ...
    zxbruno zxbruno January 2010 Development
  • wavide: WAV player for DivIDEPrompted by an email from zxbruno yesterday, cobbled together much quicker than expected... [url]ftp://ftp.untergrund.net/users/gasman/zx/wavide/[/u…

    ... file in chuncks of n bytes but always at address a ... of extension so that the routine could recognize it, just like ...
    zxbruno zxbruno January 2010 Announcements
  • wavide: WAV player for DivIDEPrompted by an email from zxbruno yesterday, cobbled together much quicker than expected... [url]ftp://ftp.untergrund.net/users/gasman/zx/wavide/[/u…

    ... signature in the first few bytes of the file (which is ... not really the general purpose routine you're looking for.
    gasman gasman January 2010 Announcements
  • Converting games from tap to dskHi to all from Greece, Being an old Speccy user and now owner of most models of Spectrum (48k , 48k+ , 128K, +2 grey and +3) , I desided to salvage m…

    ... used a buffer of 4096 bytes starting at the beginning of ... by a short M/C routine. I wrote documentation for all ...
    nuggetreggae nuggetreggae January 2010 Emulators
  • Print at 128,87? :)The advanced search function didn't help me find the answer to this, and I don't remember seeing anything similar in magazines or books... so please …

    ... the BIGPRINT routine on the HORIZONS tape (about 300 bytes of code ...
    Geoff Geoff January 2010 Sinclair Miscellaneous
<1…21222324252627…34>

Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
  • New video about S-video modification on Issue two 48K Spectrum.
    Renegade on April 21
  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
  • Happy 40th Birthday to the Amstrad CPC464!
    rich_chandler on April 21
  • Another Birthday! The Game Boy Is 35!
    mel the bell on April 21
  • European Software Titles with an English version
    harriusherbartio on April 21
  • Elusive Strategy Games done by the Smaller or less Prolific Software Houses.
    harriusherbartio on April 21
  • 1992 Spectrum Software
    harriusherbartio on April 21
  • +3 Disk drive motor
    AndyC on April 21
  • Celebrity deaths...
    mel the bell on April 20

HitBox

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routine 9.5K 14.8K
lm 190 262
bytes 9.1K 16.6K

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