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Search Again :: Adv Search 1000 results in 0.027s
<1…18192021222324…34>
  • Z80 coders compoIf you're interested in Z80 coders compo, visit my page [url="http://mbr.nm.ru/compo.html"]http://mbr.nm.ru/compo.html[/url]

    ... the mail he sent me back:

    [I]
    > ... the entry must take a byte (0x00 - 0xFF) in any register ...
    Metalbrain Metalbrain November 2003 Development
  • Another Free Ebay Day ;- Link to 300+ ?1.50 all in[url="http://cgi6.ebay.co.uk/ws/eBayISAPI.dll?ViewListedItems&userid=cornishdavey&include=0&since=-1&sort=2&rows=200&rdir=0"]http://cgi6.ebay.co.uk/w…

    ... 2

    Bug Byte
    Glider Rider
    Invaders ... Black Lamp
    Booty
    Byte Bitten
    Chicken Chase
    G-Force
    Euro Byte

    Game Busters

    Microsphere
    Back to School

    Mikro ...
    Cornishdavey:)) Cornishdavey:)) January 2004 Sales
  • 42 column text, Sinclair Print Utilities, etcI'm currently developing the next of the ZXIF text adventures - "43 Minutes" and, as a side issue, I'm really interested in 42 column text for this g…

    ... a whole load of 0 byte data blocks. Taper reports also ... you an answer. a while back i found a heapload of ...
    Sadako Sadako March 2004 Development
  • whats your second favourite retro computerOk i'm going to assume that for most of us here the speccy is our favourite number 1 retro computer,its the best home computer in the world etc etc :…

    ... /2048 = 9.77 cycles per byte?[/quote]

    About 8 ... [/I] unrolled (two commands per byte) and there's no other ... change the index and branch back.

    As i said ... 1.253MHz z80 for the byte copy task, or the spec ...
    TMR TMR March 2004 Games
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... was mulling over a while back, and I don't think ... tables, I think translating a byte to the appropriate AY output ...
    gasman gasman March 2004 Sinclair Miscellaneous
  • Chuckie EggHi peeps, a long time ago I wrote the original version of chuckie egg on the speccy. I've just heard about this board and was told I should say hello…

    ... must to know that Jonathan "Joffa" Smith also is in this ... /> Er, it was 'Kong Strikes Back' - and the less said about ...
    frobush frobush March 2004 Games
  • EmuZWin supports 256 color gamesI am sorry starting new topic, but you see this info is important a bit: new version 2.4 of the EmuZWin is available to download, and it supports 25…

    ... and repaint the whole game byte by byte !!!
    However I am ... copy the output on screen back into memory ) or is it ...
    Arm73 Arm73 April 2004 Emulators
  • Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…

    ... need a 2*296=592 byte period table, assuming 2 bytes ... thing we've been tossing back and forth.

    Here ... /> You'd construct a 592-byte table using this formula, and ...
    Alcoholics Anonymous Alcoholics Anonymous April 2004 Sinclair Miscellaneous
  • Looking for Uni-Dos System diskHi all, Following on from the problems I've been having with a disciple interface,....I've just discovered that it has been modified with a uni-dos …

    ... the follow to write it back to a real 3.5 ... /> [url="http://homepage.ntlworld.com/simon.owen/sam/samdisk/SamDiskNT11.zip ... "]http://homepage.ntlworld.com/simon.owen/sam/samdisk/SamDiskNT11.zip ...
    Steve(spt) Steve(spt) May 2004 Sinclair Miscellaneous
  • I've just met Matthew Smith!I just saw him doing a Q&A session today at the classic gaming expo in Croydon. Picked up a mint copy of JSW and got it signed by him! He's was real…

    Finally got back from the show at 1AM, ... is that it said 'Cheers Simon for the Rumpy-Pumpy' :) On ... 'em sorted out.

    Simon
    CRONOSOFT.CO.UK
    chaosmongers chaosmongers July 2004 Sinclair Miscellaneous
  • InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…

    ... tstates: write the modified value back to (HL).

    ... /> * M4: 3 tstates: read low byte from the interrupt vector.
    * M5: 3 tstates: read high byte and jump to interrupt routine ... /> * M2: 3 tstates: write high byte and decrement SP.
    * M3 ...
    Fraser Fraser July 2004 Development
  • 2 questions regarding partial port decoding1) What happens if the Spectrum reads from a port whose number matches the criteria for more than one device ? Does only one of the devices get to r…

    ... get to receive/send the byte or do all do so ... resistors. Peripherals hanging off the back are connected on the Z80 ...
    Alcoholics Anonymous Alcoholics Anonymous August 2004 Development
  • Basic corruptionDoes anyone have any tips or solutions for when a Basic listing becomes over a certain size and starts to get corrupted due to paging... I remember …

    ... `m back ready to code after only a few seconds.. Simon Owen ...
    CKay CKay August 2004 Development
  • Pixel setting / general speccy codingi just started doing some cross-coding with the [url="http://www.bigfatpanda.fsnet.co.uk/z80.html"]Z80 SNA assembler[/url] and an emulator, and this …

    ...
    LD (HL),A ; put back on screen
    RET
    byte table.
    Dr BEEP Dr BEEP August 2004 Development
  • New vault updateWell, it's interesting to see how totally underwhelmed most people are about the new update! Or are they still busy downloading everything ;) The on…

    ... I recall correctly; by one byte. And left it up to ... my own old collection from back in the day I haven ...
    Sadako Sadako August 2004 MIA/STP/SDP
  • need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …

    ... form:
    ;mask byte, sprite byte, mask byte, sprite byte... and so on.)
    LD (DE),A ;put it back on the screen
    INC ... mask
    DEC H ;move back to left side

    back to beginning to
    LD ...
    dmsmith dmsmith August 2004 Development
  • Interrupts details questionSuppose I am writing a game and I want to use interrupts to measure time, draw the screen without flicker, maybe to poll keyboard etc. What kinds of …

    ... br /> ;***************************************************************************
    .org 0
    .byte ;I register, points to rom ... call label2addr(unscrambleHL) ; return back to normal format
    ld ... )
    ; put it back into the variable
    ...
    Erlstoned Erlstoned August 2004 Development
  • RGB values for Spectrum colorsDoes anybody know the true rgb color values for the spectrums 15 colors. I'll assume that black is 0,0,0 White is probably 255,255,255 But what are t…

    ... url="http://homepage.ntlworld.com/simon.owen/sam/simcoupe/"]recentish beta ... br />
    [code]static const BYTE ab[8] = { 0x00, 0x24, ... lt; 128 ; i++)
    {
    BYTE bRed = ab[(i & 0x02 ... 0x08) >> 3)];
    BYTE bGreen = ab[(i & 0x04 ...
    obo obo August 2004 Development
  • "Frankie goes to Hollywood" HAS BEEN COMPLETED !!!!Yup ! What we thought impossible has now been proven possible ! There is no bug in the game, either - there are just some parts where you have to be …

    ... along with the "windows" that Joffa Smith described as seeing when ... here (we can't expect Joffa to remember every detail precisely ... so I've held it back from the website for now ...
    jil jil September 2004 Games
  • Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…

    ... - 64029 etc.

    First Byte is used as a flag ... BC
    DJNZ CDLOOP ;Loop back and check again

    dmsmith dmsmith September 2004 Development
  • Collision DetectionHi everyone, This is my first post on WOS. Like most people here I owned a Spectrum when a teenager. At that time I was quite heavily into programmin…

    ... - 64029 etc.

    First Byte is used as a flag ... BC
    DJNZ CDLOOP ;Loop back and check again

    dmsmith dmsmith September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... , loop:

    Get the byte at the memory location pointed ... to keep incrementing for every byte you grab in the previous ... right address, otherwise just loop back round.

    You need ...
    Dunny Dunny September 2004 Development
  • I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…

    ... />
    Start:
    |
    Fetch byte at PC
    |
    Call ... /> | | Call Update_Display
    |--------------
    |
    Back to start


    Dunny Dunny September 2004 Development
  • On 48k, can I copy 4k before next screen updateFollowing on from my thread at [url="http://www.worldofspectrum.org/forums/viewtopic.php?topic=6423&forum=11"]http://www.worldofspectrum.org/forums/v…

    ... , I basically want to copy back to front screen with no ... a 12.5 T per byte copy, albeit 14 bytes per ... . This order crosses the raster back and forth and you see ... ula drawing borders before the byte at 16384 gets drawn on ...
    Alcoholics Anonymous Alcoholics Anonymous September 2004 Development
  • Smooth Screen ScrollingHi Everyone, Any suggestions on what is the best way to do horizontal scrolling ie. in Zynaps fashion. I am working on a routine at the moment, whi…

    ... say we have a back screen of 256x128 pixels ... or c ; merge with low byte.
    jp nz,scrol0 ; ... zero yet, then jump back to the start of ... br /> scrol0 rl (hl) ; scroll byte left.
    dec hl ; next ...
    jonathan jonathan September 2004 Development
  • Programming Sound EffectsHi guys, Have decided, probably due in some way to my midlife crisis, to tart up and re-release (or even just re-lease) the old 48K Speccy games I w…

    ... that. or does it drop back?
    [/quote]

    The ... you use 90 bits=10 byte+2bit for 6.5?
    Alcoholics Anonymous Alcoholics Anonymous October 2004 Development
  • How to transfer Tapes to Microcartridges??Hello All, I have a ton of Microcartridges, also about 10 totally unused, was wondering how I can transfer any games I have on tape to Microcartridg…

    ... with any particular game ask back here.

    Some Games ... Variables let alone a 512 byte buffer.

    Good Luck ...
    Geoff Geoff October 2004 Sinclair Miscellaneous
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Latest Posts

  • I am currently watching.....
    Paradigm Shifter on 12:49AM
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  • Fixed Speccy Software. And which games remained unfixed?
    John Elliott on April 21
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    rich_chandler on April 21
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    mel the bell on April 21
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    harriusherbartio on April 21
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